/**
 * 王吉成律师主页和博客 - 现代化高端设计（2026年最流行）
 * 使用最新的前端设计趋势和技术
 */

/* ===== 全局样式 ===== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* ===== 现代化配色方案（2026年最流行） ===== */
    
    /* 主色调：科技蓝和高级紫的渐变 */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4338ca;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* 辅助色：高级绿和橙色的渐变 */
    --secondary-color: #10b981;
    --secondary-light: #34d399;
    --secondary-dark: #059669;
    --secondary-gradient: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    
    /* 强调色：鲜艳的橙色和粉色 */
    --accent-color: #f59e0b;
    --accent-light: #fcd34d;
    --accent-dark: #d97706;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #fcd34d 100%);
    
    /* 警告色：深红色和橙红色 */
    --warning-color: #ef4444;
    --warning-light: #f87171;
    --warning-dark: #b91c1c;
    --warning-gradient: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    
    /* 中性色：高级灰 */
    --text-primary: #1f2937;
    --text-secondary: #374151;
    --text-tertiary: #6b7280;
    --text-light: #9ca3af;
    --text-lighter: #d1d5db;
    
    /* 背景色：高级白和浅灰 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-quaternary: #e5e7eb;
    
    /* 渐变背景：复杂的现代渐变 */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #6B8DD6 100%);
    --gradient-card: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    --gradient-footer: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* 高级阴影：多层阴影效果 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 内阴影：用于按钮和输入框 */
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* 高级圆角 */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 50%;
    
    /* 高级间距 */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-hero);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== 高级导航栏（毛玻璃效果） ===== */

.navbar,
.blog-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled,
.blog-nav.scrolled {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    height: 65px;
    box-shadow: var(--shadow-2xl);
}

.nav-container,
.blog-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-brand,
.blog-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-light);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.nav-brand:hover,
.blog-brand:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.nav-icon,
.blog-brand-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}

.nav-menu,
.blog-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
}

.nav-menu li,
.blog-menu li {
    margin: 0;
}

.nav-menu a,
.blog-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 高级悬停效果：背景渐变 + 阴影 + 下划线 */
.nav-menu a::before,
.blog-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    width: calc(100% - var(--space-lg));
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}

.nav-menu a:hover::before,
.blog-menu a:hover::before {
    transform: scaleX(1);
}

.nav-menu a:hover,
.blog-menu a:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== 移动端导航 ===== */

.nav-toggle,
.blog-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    gap: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-toggle:hover,
.blog-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.nav-toggle span,
.blog-nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-light);
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 移动端导航菜单 ===== */

.nav-menu-mobile,
.blog-menu-mobile {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
    z-index: 9999;
    padding: var(--space-md) 0;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu-mobile.active,
.blog-menu-mobile.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-menu-mobile ul,
.blog-menu-mobile ul {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
}

.nav-menu-mobile li,
.blog-menu-mobile li {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-menu-mobile li:last-child,
.blog-menu-mobile li:last-child {
    border-bottom: none;
}

.nav-menu-mobile a,
.blog-menu-mobile a {
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu-mobile a::before,
.blog-menu-mobile a::before {
    content: '';
    margin-right: var(--space-sm);
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--secondary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu-mobile a:hover::before,
.blog-menu-mobile a:hover::before {
    transform: scale(1.5);
    background: var(--primary-color);
}

.nav-menu-mobile a:hover,
.blog-menu-mobile a:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}

/* ===== 高级Hero区域 ===== */

.hero,
.header {
    background: var(--gradient-hero);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}

/* 高级背景图案 */
.hero::before,
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero::after,
.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.02)"/></svg>') center center;
    background-size: 80px 80px;
    opacity: 0.5;
}

.hero-content,
.header-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.author-avatar {
    font-size: 5rem;
    margin-bottom: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 140px;
    height: 140px;
    line-height: 140px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.author-avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-2xl);
}

.hero-title,
.header-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 1s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle,
.header-subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    opacity: 0.95;
    letter-spacing: 0.5px;
    animation: slideUp 1s ease-out 0.2s;
}

.hero-description,
.header-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 1s ease-out 0.4s;
}

.hero-buttons {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.6s;
}

.hero-buttons a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn {
    background: var(--primary-gradient);
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-primary::before {
    background: var(--secondary-gradient);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary::before {
    background: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover::before {
    background: rgba(255, 255, 255, 0.3);
}

.social-links {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.8s;
}

.social-link {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.4);
}

.header-decoration {
    margin-top: var(--space-2xl);
    animation: slideUp 1s ease-out 1s;
}

.quote {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 600;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    top: -20px;
    left: 20px;
    opacity: 0.5;
}

.quote::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    bottom: -20px;
    right: 20px;
    opacity: 0.5;
}

/* ===== 主内容区域 ===== */

.main,
.main-content {
    max-width: 1400px;
    margin: -80px auto 0; /* 负边距，让内容重叠Hero */
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}

.container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-3xl);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}

/* ===== 区域标题 ===== */

.section {
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--bg-quaternary);
}

/* ===== 网格和高级卡片 ===== */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--bg-quaternary);
}

/* 高级悬停效果：3D倾斜 + 阴影 + 边框发光 */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.card::after {
    content: '';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.card:hover::before {
    opacity: 0.1;
}

.card:hover::after {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: inline-block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card p {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 0;
    font-size: 1rem;
}

/* ===== 博客特定样式 ===== */

.articles-section {
    margin-bottom: var(--space-3xl);
}

.search-box {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-inner);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    outline: none;
    background: var(--bg-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.search-input:focus {
    font-weight: 600;
}

.search-icon {
    font-size: 1.5rem;
    margin-left: var(--space-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}

.search-icon:hover {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: scale(1.1);
}

/* ===== 高级文章卡片 ===== */

.article-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--bg-quaternary);
    position: relative;
    overflow: hidden;
}

/* 高级文章卡片效果：渐变边框 + 悬停效果 */
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.article-card:hover::before {
    opacity: 1;
}

.article-meta {
    background: var(--bg-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
    border: 1px solid var(--bg-quaternary);
}

.article-date {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-category {
    background: var(--secondary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    position: relative;
}

.article-title a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-title a:hover::after {
    width: 100%;
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.read-more::after {
    content: '→';
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.read-more:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateX(8px);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-md);
}

.read-more:hover::after {
    transform: translateX(3px);
}

/* ===== 分类部分 ===== */

.categories-section,
.about-section {
    margin-bottom: var(--space-3xl);
}

.category-list {
    list-style: none;
    padding: 0;
}

.category-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-quaternary);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--secondary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.category-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-color);
}

.category-item:hover::before {
    opacity: 0.1;
}

.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.category-link:hover {
    color: var(--primary-color);
}

.category-count {
    background: var(--primary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.about-content {
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.about-content p {
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
}

.about-content strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* ===== 高级Footer ===== */

.footer {
    background: var(--gradient-footer);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    text-align: center;
    margin-top: var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.footer-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: inline-block;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: white;
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.footer-link:hover::before {
    transform: scaleX(1);
}

.footer-copyright {
    font-size: 0.95rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.footer-copyright a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-copyright a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ===== 响应式设计 ===== */

@media (max-width: 1400px) {
    .container,
    .content-wrapper {
        max-width: 100%;
        padding: var(--space-2xl);
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-title,
    .header-title {
        font-size: 3rem;
    }
}

@media (max-width: 1024px) {
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-md);
    }
    
    .nav-menu,
    .blog-menu {
        gap: var(--space-xs);
    }
    
    .nav-menu a,
    .blog-menu a {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-sm) 0;
        height: 65px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-sm);
        height: 65px;
    }
    
    /* 隐藏桌面端导航菜单 */
    .nav-menu,
    .blog-menu {
        display: none;
    }
    
    /* 显示移动端汉堡菜单按钮 */
    .nav-toggle,
    .blog-nav-toggle {
        display: flex;
    }
    
    /* 移动端品牌文字缩小 */
    .nav-title,
    .blog-brand-text {
        font-size: 1rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.5em;
    }
    
    .hero,
    .header {
        padding: var(--space-2xl) var(--space-sm);
        min-height: auto;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--space-sm);
    }
    
    .hero-buttons a {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .search-input {
        margin-bottom: var(--space-xs);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-link {
        display: block;
        width: 100%;
        text-align: center;
        margin: var(--space-xs) 0;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 65px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-xs) 0;
        height: 60px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-xs);
        height: 60px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3em;
    }
    
    .hero,
    .header {
        padding: var(--space-xl) var(--space-xs);
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .container {
        padding: var(--space-lg);
        border-radius: 0;
    }
    
    .card,
    .article-card {
        padding: var(--space-xl);
    }
    
    .search-box {
        padding: var(--space-md);
    }
}

/* ===== 高级动画 ===== */

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.hero::before,
.header::before {
    animation: float 6s ease-in-out infinite;
}

/* ===== 辅助功能 ===== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);

/**
 * 王吉成律师主页和博客 - 移动端深度优化（2026年最流行）
 * 专门针对移动端（手机）进行优化，确保在手机上看起来非常美观
 */

/* ===== 移动端专属优化 ===== */

/* 1. 移动端通用样式 */
@media (max-width: 768px) {
    body {
        /* 移动端字体优化 */
        font-size: 16px;
        line-height: 1.7;
        letter-spacing: 0.3px;
        
        /* 移动端背景优化（简化复杂效果） */
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    /* 移动端容器优化 */
    .container {
        border-radius: 0;
        box-shadow: none;
        background: #ffffff;
        padding: 20px;
        margin: 0;
    }
    
    /* 移动端导航栏优化 */
    .navbar,
    .blog-nav {
        height: 60px;
        padding: 10px 0;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 15px;
        height: 60px;
    }
    
    /* 移动端品牌文字优化 */
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
        letter-spacing: -0.3px;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.4rem;
    }
    
    /* 移动端汉堡菜单按钮优化 */
    .nav-toggle,
    .blog-nav-toggle {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 12px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 6px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 24px;
        height: 3px;
        background: white;
        border-radius: 2px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端导航菜单优化 */
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 60px;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile ul,
    .blog-menu-mobile ul {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .nav-menu-mobile li,
    .blog-menu-mobile li {
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile li:last-child,
    .blog-menu-mobile li:last-child {
        border-bottom: none;
    }
    
    .nav-menu-mobile a,
    .blog-menu-mobile a {
        display: flex;
        align-items: center;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 20px;
        min-height: 56px;
        line-height: 1.5;
        border-radius: 0;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .nav-menu-mobile a::before,
    .blog-menu-mobile a::before {
        content: '';
        margin-right: 12px;
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transition: all 0.3s ease;
        flex-shrink: 0;
    }
    
    /* 移动端Hero区域优化 */
    .hero,
    .header {
        padding: 60px 20px;
        min-height: 80vh;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    .hero::before,
    .header::before {
        /* 简化移动端背景动画 */
        background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
        animation: none; /* 移动端禁用动画以提升性能 */
    }
    
    .hero-content,
    .header-content {
        padding: 0;
    }
    
    .author-avatar {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
        margin-bottom: 20px;
    }
    
    .hero-title,
    .header-title {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 15px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 15px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 25px;
    }
    
    /* 移动端按钮优化 */
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin-top: 25px;
    }
    
    .hero-buttons a {
        width: 100%;
        padding: 14px 30px;
        border-radius: 12px;
        font-size: 1rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        text-align: center;
    }
    
    .btn {
        background: white;
        color: #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .btn:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
    }
    
    .btn-primary {
        background: white;
        color: #667eea;
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .btn-secondary {
        background: transparent;
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }
    
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        color: white;
        border-color: white;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端社交媒体链接优化 */
    .social-links {
        flex-direction: row;
        gap: 15px;
        justify-content: center;
        margin-top: 25px;
        flex-wrap: wrap;
    }
    
    .social-link {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 12px 25px;
        border-radius: 12px;
        color: white;
        font-size: 1rem;
        font-weight: 600;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .social-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端引用块优化 */
    .header-decoration {
        margin-top: 30px;
    }
    
    .quote {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        padding: 20px 25px;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 1rem;
        font-style: italic;
        font-weight: 600;
        line-height: 1.6;
        position: relative;
    }
    
    .quote::before,
    .quote::after {
        display: none; /* 移动端隐藏引号图标 */
    }
    
    /* 移动端主要内容区优化 */
    .main,
    .main-content {
        margin: -80px auto 0; /* 让内容重叠Hero区域 */
        padding: 20px 15px;
    }
    
    /* 移动端区域标题优化 */
    .section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 30px;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 15px;
        align-items: stretch;
    }
    
    .section-header h2,
    .section-header h3 {
        text-align: center;
        font-size: 1.8rem;
    }
    
    /* 移动端搜索框优化 */
    .search-box {
        flex-direction: column;
        gap: 10px;
        background: #f9fafb;
        padding: 15px;
        border-radius: 12px;
        border: 2px solid #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.1);
    }
    
    .search-input {
        width: 100%;
        padding: 14px 20px;
        border: none;
        border-radius: 10px;
        font-size: 1rem;
        font-weight: 500;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    
    .search-input:focus {
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    }
    
    .search-icon {
        font-size: 1.5rem;
        margin-left: 0;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: 10px;
        font-weight: 700;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    /* 移动端网格优化 */
    .grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    /* 移动端卡片优化 */
    .card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端卡片悬停效果 */
    .card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card::after {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
        display: inline-block;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .card h3 {
        color: #1f2937;
        margin-bottom: 10px;
        font-size: 1.3rem;
        font-weight: 700;
        line-height: 1.3;
    }
    
    .card p {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 0;
        font-size: 1rem;
    }
    
    /* 移动端文章卡片优化 */
    .article-card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        margin-bottom: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端文章卡片悬停效果 */
    .article-card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .article-meta {
        background: #f9fafb;
        padding: 12px 20px;
        border-radius: 10px;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
        border: 1px solid #e5e7eb;
    }
    
    .article-date {
        font-weight: 700;
        font-size: 0.9rem;
        color: #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .article-category {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    .article-title {
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .article-title a {
        color: #1f2937;
        text-decoration: none;
        transition: all 0.3s ease;
        display: block;
    }
    
    .article-title a:hover {
        color: #667eea;
    }
    
    .article-excerpt {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 20px;
        font-size: 1rem;
    }
    
    .read-more {
        color: #667eea;
        text-decoration: none;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 25px;
        border-radius: 10px;
        background: #f9fafb;
        border: 2px solid #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        width: 100%;
        justify-content: center;
    }
    
    .read-more::after {
        content: '→';
        transition: all 0.3s ease;
    }
    
    .read-more:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transform: translateX(5px);
        border-color: transparent;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .read-more:hover::after {
        transform: translateX(3px);
    }
    
    /* 移动端分类列表优化 */
    .category-list {
        list-style: none;
        padding: 0;
    }
    
    .category-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 15px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        border-left: 4px solid #667eea;
        transition: all 0.3s ease;
    }
    
    .category-item::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .category-item:hover {
        transform: translateX(5px);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
        border-left-color: #764ba2;
    }
    
    .category-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    
    .category-link:hover {
        color: #667eea;
    }
    
    .category-count {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.85rem;
        font-weight: 700;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    /* 移动端关于部分优化 */
    .about-content {
        line-height: 1.7;
        color: #6b7280;
        background: #f9fafb;
        padding: 25px;
        border-radius: 12px;
        border: 1px solid #e5e7eb;
    }
    
    .about-content p {
        margin-bottom: 15px;
        font-size: 1rem;
    }
    
    .about-content strong {
        color: #1f2937;
        font-weight: 700;
    }
    
    .about-content ul {
        list-style: none;
        padding-left: 0;
    }
    
    .about-content li {
        margin-bottom: 12px;
        padding-left: 30px;
        position: relative;
        font-size: 1rem;
    }
    
    .about-content li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 3px;
        color: #764ba2;
        font-weight: 700;
        font-size: 1.2rem;
    }
    
    /* 移动端Footer优化 */
    .footer {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        color: white;
        padding: 40px 20px;
        margin-top: 40px;
        position: relative;
        overflow: hidden;
    }
    
    .footer::before {
        display: none; /* 移动端禁用复杂背景 */
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .footer-link {
        color: white;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 25px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 52px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .footer-link::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .footer-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .footer-copyright {
        font-size: 0.9rem;
        opacity: 0.8;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-copyright a {
        color: white;
        text-decoration: none;
        font-weight: 600;
    }
    
    .footer-copyright a:hover {
        text-decoration: underline;
        color: #764ba2;
    }
}

/* 2. 小屏手机优化（< 480px） */
@media (max-width: 480px) {
    body {
        padding-top: 60px;
        font-size: 15px;
        line-height: 1.6;
    }
    
    /* 小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 55px;
        padding: 8px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 12px;
        height: 55px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.85rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3rem;
    }
    
    .nav-toggle,
    .blog-nav-toggle {
        width: 45px;
        height: 45px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 5px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 22px;
        height: 2.5px;
    }
    
    /* 小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 50px 15px;
        min-height: 70vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    .author-avatar {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    /* 小屏手机按钮优化 */
    .hero-buttons a {
        padding: 12px 25px;
        font-size: 0.95rem;
        border-radius: 10px;
    }
    
    /* 小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .card-icon {
        font-size: 2.2rem;
    }
    
    .card h3 {
        font-size: 1.2rem;
    }
    
    /* 小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.2rem;
    }
    
    .read-more {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    /* 小屏手机Footer优化 */
    .footer {
        padding: 30px 15px;
    }
    
    .footer-link {
        padding: 14px 20px;
        font-size: 1rem;
        min-height: 50px;
    }
    
    .footer-copyright {
        font-size: 0.85rem;
    }
}

/* 3. 超小屏手机优化（< 380px） */
@media (max-width: 380px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    /* 超小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 50px;
        padding: 5px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 10px;
        height: 50px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.8rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.2rem;
    }
    
    /* 超小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 40px 10px;
        min-height: 60vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 1.3;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.9rem;
    }
    
    /* 超小屏手机按钮优化 */
    .hero-buttons a {
        padding: 11px 20px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 18px;
        border-radius: 10px;
    }
    
    .card h3 {
        font-size: 1.1rem;
    }
    
    /* 超小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.1rem;
    }
    
    .read-more {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机Footer优化 */
    .footer {
        padding: 25px 10px;
    }
    
    .footer-link {
        padding: 12px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
}

    --primary-dark: #4338ca;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* 辅助色：高级绿和橙色的渐变 */
    --secondary-color: #10b981;
    --secondary-light: #34d399;
    --secondary-dark: #059669;
    --secondary-gradient: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    
    /* 强调色：鲜艳的橙色和粉色 */
    --accent-color: #f59e0b;
    --accent-light: #fcd34d;
    --accent-dark: #d97706;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #fcd34d 100%);
    
    /* 警告色：深红色和橙红色 */
    --warning-color: #ef4444;
    --warning-light: #f87171;
    --warning-dark: #b91c1c;
    --warning-gradient: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    
    /* 中性色：高级灰 */
    --text-primary: #1f2937;
    --text-secondary: #374151;
    --text-tertiary: #6b7280;
    --text-light: #9ca3af;
    --text-lighter: #d1d5db;
    
    /* 背景色：高级白和浅灰 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-quaternary: #e5e7eb;
    
    /* 渐变背景：复杂的现代渐变 */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #6B8DD6 100%);
    --gradient-card: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    --gradient-footer: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* 高级阴影：多层阴影效果 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 内阴影：用于按钮和输入框 */
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* 高级圆角 */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 50%;
    
    /* 高级间距 */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-hero);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
/* ===== 高级导航栏（毛玻璃效果） ===== */
.navbar,
.blog-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar.scrolled,
.blog-nav.scrolled {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    height: 65px;
    box-shadow: var(--shadow-2xl);
}
.nav-container,
.blog-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.nav-brand,
.blog-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-light);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}
.nav-brand:hover,
.blog-brand:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}
.nav-icon,
.blog-brand-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}
.nav-menu,
.blog-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
}
.nav-menu li,
.blog-menu li {
    margin: 0;
}
.nav-menu a,
.blog-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
/* 高级悬停效果：背景渐变 + 阴影 + 下划线 */
.nav-menu a::before,
.blog-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    width: calc(100% - var(--space-lg));
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}
.nav-menu a:hover::before,
.blog-menu a:hover::before {
    transform: scaleX(1);
}
.nav-menu a:hover,
.blog-menu a:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
/* ===== 移动端导航 ===== */
.nav-toggle,
.blog-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    gap: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.nav-toggle:hover,
.blog-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}
.nav-toggle span,
.blog-nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-light);
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ===== 移动端导航菜单 ===== */
.nav-menu-mobile,
.blog-menu-mobile {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
    z-index: 9999;
    padding: var(--space-md) 0;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-menu-mobile.active,
.blog-menu-mobile.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}
.nav-menu-mobile ul,
.blog-menu-mobile ul {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
}
.nav-menu-mobile li,
.blog-menu-mobile li {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-menu-mobile li:last-child,
.blog-menu-mobile li:last-child {
    border-bottom: none;
}
.nav-menu-mobile a,
.blog-menu-mobile a {
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.nav-menu-mobile a::before,
.blog-menu-mobile a::before {
    content: '';
    margin-right: var(--space-sm);
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--secondary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-menu-mobile a:hover::before,
.blog-menu-mobile a:hover::before {
    transform: scale(1.5);
    background: var(--primary-color);
}
.nav-menu-mobile a:hover,
.blog-menu-mobile a:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}
/* ===== 高级Hero区域 ===== */
.hero,
.header {
    background: var(--gradient-hero);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}
/* 高级背景图案 */
.hero::before,
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
.hero::after,
.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.02)"/></svg>') center center;
    background-size: 80px 80px;
    opacity: 0.5;
}
.hero-content,
.header-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}
.author-avatar {
    font-size: 5rem;
    margin-bottom: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 140px;
    height: 140px;
    line-height: 140px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.author-avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-2xl);
}
.hero-title,
.header-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 1s ease-out;
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.hero-subtitle,
.header-subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    opacity: 0.95;
    letter-spacing: 0.5px;
    animation: slideUp 1s ease-out 0.2s;
}
.hero-description,
.header-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 1s ease-out 0.4s;
}
.hero-buttons {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.6s;
}
.hero-buttons a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}
.btn {
    background: var(--primary-gradient);
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}
.btn:hover::before {
    left: 0;
}
.btn-primary {
    background: var(--primary-gradient);
    color: white;
}
.btn-primary::before {
    background: var(--secondary-gradient);
}
.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}
.btn-secondary::before {
    background: rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover::before {
    background: rgba(255, 255, 255, 0.3);
}
.social-links {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.8s;
}
.social-link {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.4);
}
.header-decoration {
    margin-top: var(--space-2xl);
    animation: slideUp 1s ease-out 1s;
}
.quote {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 600;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}
.quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    top: -20px;
    left: 20px;
    opacity: 0.5;
}
.quote::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    bottom: -20px;
    right: 20px;
    opacity: 0.5;
}
/* ===== 主内容区域 ===== */
.main,
.main-content {
    max-width: 1400px;
    margin: -80px auto 0; /* 负边距，让内容重叠Hero */
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}
.container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-3xl);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}
/* ===== 区域标题 ===== */
.section {
    margin-bottom: var(--space-3xl);
}
.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--bg-quaternary);
}
/* ===== 网格和高级卡片 ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--bg-quaternary);
}
/* 高级悬停效果：3D倾斜 + 阴影 + 边框发光 */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}
.card::after {
    content: '';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}
.card:hover::before {
    opacity: 0.1;
}
.card:hover::after {
    opacity: 1;
}
.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: inline-block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.card p {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 0;
    font-size: 1rem;
}
/* ===== 博客特定样式 ===== */
.articles-section {
    margin-bottom: var(--space-3xl);
}
.search-box {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-inner);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}
.search-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    outline: none;
    background: var(--bg-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}
.search-input:focus {
    font-weight: 600;
}
.search-icon {
    font-size: 1.5rem;
    margin-left: var(--space-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}
.search-icon:hover {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: scale(1.1);
}
/* ===== 高级文章卡片 ===== */
.article-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--bg-quaternary);
    position: relative;
    overflow: hidden;
}
/* 高级文章卡片效果：渐变边框 + 悬停效果 */
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}
.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}
.article-card:hover::before {
    opacity: 1;
}
.article-meta {
    background: var(--bg-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
    border: 1px solid var(--bg-quaternary);
}
.article-date {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.article-category {
    background: var(--secondary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
}
.article-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
    letter-spacing: -0.5px;
}
.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    position: relative;
}
.article-title a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.article-title a:hover {
    color: var(--primary-color);
}
.article-title a:hover::after {
    width: 100%;
}
.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}
.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.read-more::after {
    content: '→';
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.read-more:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateX(8px);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-md);
}
.read-more:hover::after {
    transform: translateX(3px);
}
/* ===== 分类部分 ===== */
.categories-section,
.about-section {
    margin-bottom: var(--space-3xl);
}
.category-list {
    list-style: none;
    padding: 0;
}
.category-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-quaternary);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--secondary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}
.category-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-color);
}
.category-item:hover::before {
    opacity: 0.1;
}
.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}
.category-link:hover {
    color: var(--primary-color);
}
.category-count {
    background: var(--primary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}
.about-content {
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}
.about-content p {
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
}
.about-content strong {
    color: var(--text-primary);
    font-weight: 700;
}
/* ===== 高级Footer ===== */
.footer {
    background: var(--gradient-footer);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    text-align: center;
    margin-top: var(--space-3xl);
    position: relative;
    overflow: hidden;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}
.footer-links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}
.footer-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: inline-block;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: white;
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}
.footer-link:hover::before {
    transform: scaleX(1);
}
.footer-copyright {
    font-size: 0.95rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}
.footer-copyright a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer-copyright a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}
/* ===== 响应式设计 ===== */
@media (max-width: 1400px) {
    .container,
    .content-wrapper {
        max-width: 100%;
        padding: var(--space-2xl);
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-title,
    .header-title {
        font-size: 3rem;
    }
}
@media (max-width: 1024px) {
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-md);
    }
    
    .nav-menu,
    .blog-menu {
        gap: var(--space-xs);
    }
    
    .nav-menu a,
    .blog-menu a {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-sm) 0;
        height: 65px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-sm);
        height: 65px;
    }
    
    /* 隐藏桌面端导航菜单 */
    .nav-menu,
    .blog-menu {
        display: none;
    }
    
    /* 显示移动端汉堡菜单按钮 */
    .nav-toggle,
    .blog-nav-toggle {
        display: flex;
    }
    
    /* 移动端品牌文字缩小 */
    .nav-title,
    .blog-brand-text {
        font-size: 1rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.5em;
    }
    
    .hero,
    .header {
        padding: var(--space-2xl) var(--space-sm);
        min-height: auto;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--space-sm);
    }
    
    .hero-buttons a {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .search-input {
        margin-bottom: var(--space-xs);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-link {
        display: block;
        width: 100%;
        text-align: center;
        margin: var(--space-xs) 0;
    }
}
@media (max-width: 480px) {
    body {
        padding-top: 65px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-xs) 0;
        height: 60px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-xs);
        height: 60px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3em;
    }
    
    .hero,
    .header {
        padding: var(--space-xl) var(--space-xs);
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .container {
        padding: var(--space-lg);
        border-radius: 0;
    }
    
    .card,
    .article-card {
        padding: var(--space-xl);
    }
    
    .search-box {
        padding: var(--space-md);
    }
}
/* ===== 高级动画 ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}
.hero::before,
.header::before {
    animation: float 6s ease-in-out infinite;
}
/* ===== 辅助功能 ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}
/* ===== 打印样式 ===== */
/**
 * 王吉成律师主页和博客 - 移动端深度优化（2026年最流行）
 * 专门针对移动端（手机）进行优化，确保在手机上看起来非常美观
 */

/* ===== 移动端专属优化 ===== */

/* 1. 移动端通用样式 */
@media (max-width: 768px) {
    body {
        /* 移动端字体优化 */
        font-size: 16px;
        line-height: 1.7;
        letter-spacing: 0.3px;
        
        /* 移动端背景优化（简化复杂效果） */
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    /* 移动端容器优化 */
    .container {
        border-radius: 0;
        box-shadow: none;
        background: #ffffff;
        padding: 20px;
        margin: 0;
    }
    
    /* 移动端导航栏优化 */
    .navbar,
    .blog-nav {
        height: 60px;
        padding: 10px 0;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 15px;
        height: 60px;
    }
    
    /* 移动端品牌文字优化 */
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
        letter-spacing: -0.3px;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.4rem;
    }
    
    /* 移动端汉堡菜单按钮优化 */
    .nav-toggle,
    .blog-nav-toggle {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 12px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 6px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 24px;
        height: 3px;
        background: white;
        border-radius: 2px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端导航菜单优化 */
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 60px;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile ul,
    .blog-menu-mobile ul {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .nav-menu-mobile li,
    .blog-menu-mobile li {
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile li:last-child,
    .blog-menu-mobile li:last-child {
        border-bottom: none;
    }
    
    .nav-menu-mobile a,
    .blog-menu-mobile a {
        display: flex;
        align-items: center;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 20px;
        min-height: 56px;
        line-height: 1.5;
        border-radius: 0;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .nav-menu-mobile a::before,
    .blog-menu-mobile a::before {
        content: '';
        margin-right: 12px;
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transition: all 0.3s ease;
        flex-shrink: 0;
    }
    
    /* 移动端Hero区域优化 */
    .hero,
    .header {
        padding: 60px 20px;
        min-height: 80vh;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    .hero::before,
    .header::before {
        /* 简化移动端背景动画 */
        background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
        animation: none; /* 移动端禁用动画以提升性能 */
    }
    
    .hero-content,
    .header-content {
        padding: 0;
    }
    
    .author-avatar {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
        margin-bottom: 20px;
    }
    
    .hero-title,
    .header-title {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 15px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 15px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 25px;
    }
    
    /* 移动端按钮优化 */
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin-top: 25px;
    }
    
    .hero-buttons a {
        width: 100%;
        padding: 14px 30px;
        border-radius: 12px;
        font-size: 1rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        text-align: center;
    }
    
    .btn {
        background: white;
        color: #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .btn:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
    }
    
    .btn-primary {
        background: white;
        color: #667eea;
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .btn-secondary {
        background: transparent;
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }
    
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        color: white;
        border-color: white;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端社交媒体链接优化 */
    .social-links {
        flex-direction: row;
        gap: 15px;
        justify-content: center;
        margin-top: 25px;
        flex-wrap: wrap;
    }
    
    .social-link {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 12px 25px;
        border-radius: 12px;
        color: white;
        font-size: 1rem;
        font-weight: 600;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .social-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端引用块优化 */
    .header-decoration {
        margin-top: 30px;
    }
    
    .quote {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        padding: 20px 25px;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 1rem;
        font-style: italic;
        font-weight: 600;
        line-height: 1.6;
        position: relative;
    }
    
    .quote::before,
    .quote::after {
        display: none; /* 移动端隐藏引号图标 */
    }
    
    /* 移动端主要内容区优化 */
    .main,
    .main-content {
        margin: -80px auto 0; /* 让内容重叠Hero区域 */
        padding: 20px 15px;
    }
    
    /* 移动端区域标题优化 */
    .section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 30px;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 15px;
        align-items: stretch;
    }
    
    .section-header h2,
    .section-header h3 {
        text-align: center;
        font-size: 1.8rem;
    }
    
    /* 移动端搜索框优化 */
    .search-box {
        flex-direction: column;
        gap: 10px;
        background: #f9fafb;
        padding: 15px;
        border-radius: 12px;
        border: 2px solid #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.1);
    }
    
    .search-input {
        width: 100%;
        padding: 14px 20px;
        border: none;
        border-radius: 10px;
        font-size: 1rem;
        font-weight: 500;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    
    .search-input:focus {
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    }
    
    .search-icon {
        font-size: 1.5rem;
        margin-left: 0;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: 10px;
        font-weight: 700;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    /* 移动端网格优化 */
    .grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    /* 移动端卡片优化 */
    .card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端卡片悬停效果 */
    .card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card::after {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
        display: inline-block;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .card h3 {
        color: #1f2937;
        margin-bottom: 10px;
        font-size: 1.3rem;
        font-weight: 700;
        line-height: 1.3;
    }
    
    .card p {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 0;
        font-size: 1rem;
    }
    
    /* 移动端文章卡片优化 */
    .article-card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        margin-bottom: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端文章卡片悬停效果 */
    .article-card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .article-meta {
        background: #f9fafb;
        padding: 12px 20px;
        border-radius: 10px;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
        border: 1px solid #e5e7eb;
    }
    
    .article-date {
        font-weight: 700;
        font-size: 0.9rem;
        color: #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .article-category {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    .article-title {
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .article-title a {
        color: #1f2937;
        text-decoration: none;
        transition: all 0.3s ease;
        display: block;
    }
    
    .article-title a:hover {
        color: #667eea;
    }
    
    .article-excerpt {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 20px;
        font-size: 1rem;
    }
    
    .read-more {
        color: #667eea;
        text-decoration: none;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 25px;
        border-radius: 10px;
        background: #f9fafb;
        border: 2px solid #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        width: 100%;
        justify-content: center;
    }
    
    .read-more::after {
        content: '→';
        transition: all 0.3s ease;
    }
    
    .read-more:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transform: translateX(5px);
        border-color: transparent;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .read-more:hover::after {
        transform: translateX(3px);
    }
    
    /* 移动端分类列表优化 */
    .category-list {
        list-style: none;
        padding: 0;
    }
    
    .category-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 15px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        border-left: 4px solid #667eea;
        transition: all 0.3s ease;
    }
    
    .category-item::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .category-item:hover {
        transform: translateX(5px);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
        border-left-color: #764ba2;
    }
    
    .category-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    
    .category-link:hover {
        color: #667eea;
    }
    
    .category-count {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.85rem;
        font-weight: 700;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    /* 移动端关于部分优化 */
    .about-content {
        line-height: 1.7;
        color: #6b7280;
        background: #f9fafb;
        padding: 25px;
        border-radius: 12px;
        border: 1px solid #e5e7eb;
    }
    
    .about-content p {
        margin-bottom: 15px;
        font-size: 1rem;
    }
    
    .about-content strong {
        color: #1f2937;
        font-weight: 700;
    }
    
    .about-content ul {
        list-style: none;
        padding-left: 0;
    }
    
    .about-content li {
        margin-bottom: 12px;
        padding-left: 30px;
        position: relative;
        font-size: 1rem;
    }
    
    .about-content li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 3px;
        color: #764ba2;
        font-weight: 700;
        font-size: 1.2rem;
    }
    
    /* 移动端Footer优化 */
    .footer {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        color: white;
        padding: 40px 20px;
        margin-top: 40px;
        position: relative;
        overflow: hidden;
    }
    
    .footer::before {
        display: none; /* 移动端禁用复杂背景 */
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .footer-link {
        color: white;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 25px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 52px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .footer-link::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .footer-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .footer-copyright {
        font-size: 0.9rem;
        opacity: 0.8;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-copyright a {
        color: white;
        text-decoration: none;
        font-weight: 600;
    }
    
    .footer-copyright a:hover {
        text-decoration: underline;
        color: #764ba2;
    }
}

/* 2. 小屏手机优化（< 480px） */
@media (max-width: 480px) {
    body {
        padding-top: 60px;
        font-size: 15px;
        line-height: 1.6;
    }
    
    /* 小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 55px;
        padding: 8px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 12px;
        height: 55px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.85rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3rem;
    }
    
    .nav-toggle,
    .blog-nav-toggle {
        width: 45px;
        height: 45px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 5px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 22px;
        height: 2.5px;
    }
    
    /* 小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 50px 15px;
        min-height: 70vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    .author-avatar {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    /* 小屏手机按钮优化 */
    .hero-buttons a {
        padding: 12px 25px;
        font-size: 0.95rem;
        border-radius: 10px;
    }
    
    /* 小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .card-icon {
        font-size: 2.2rem;
    }
    
    .card h3 {
        font-size: 1.2rem;
    }
    
    /* 小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.2rem;
    }
    
    .read-more {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    /* 小屏手机Footer优化 */
    .footer {
        padding: 30px 15px;
    }
    
    .footer-link {
        padding: 14px 20px;
        font-size: 1rem;
        min-height: 50px;
    }
    
    .footer-copyright {
        font-size: 0.85rem;
    }
}

/* 3. 超小屏手机优化（< 380px） */
@media (max-width: 380px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    /* 超小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 50px;
        padding: 5px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 10px;
        height: 50px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.8rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.2rem;
    }
    
    /* 超小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 40px 10px;
        min-height: 60vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 1.3;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.9rem;
    }
    
    /* 超小屏手机按钮优化 */
    .hero-buttons a {
        padding: 11px 20px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 18px;
        border-radius: 10px;
    }
    
    .card h3 {
        font-size: 1.1rem;
    }
    
    /* 超小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.1rem;
    }
    
    .read-more {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机Footer优化 */
    .footer {
        padding: 25px 10px;
    }
    
    .footer-link {
        padding: 12px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
}

    
    /* 中性色：高级灰 */
    --text-primary: #1f2937;
    --text-secondary: #374151;
    --text-tertiary: #6b7280;
    --text-light: #9ca3af;
    --text-lighter: #d1d5db;
    
    /* 背景色：高级白和浅灰 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-quaternary: #e5e7eb;
    
    /* 渐变背景：复杂的现代渐变 */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #6B8DD6 100%);
    --gradient-card: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    --gradient-footer: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* 高级阴影：多层阴影效果 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 内阴影：用于按钮和输入框 */
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* 高级圆角 */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 50%;
    
    /* 高级间距 */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-hero);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== 高级导航栏（毛玻璃效果） ===== */

.navbar,
.blog-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled,
.blog-nav.scrolled {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    height: 65px;
    box-shadow: var(--shadow-2xl);
}

.nav-container,
.blog-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-brand,
.blog-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-light);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.nav-brand:hover,
.blog-brand:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.nav-icon,
.blog-brand-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}

.nav-menu,
.blog-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
}

.nav-menu li,
.blog-menu li {
    margin: 0;
}

.nav-menu a,
.blog-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 高级悬停效果：背景渐变 + 阴影 + 下划线 */
.nav-menu a::before,
.blog-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    width: calc(100% - var(--space-lg));
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}

.nav-menu a:hover::before,
.blog-menu a:hover::before {
    transform: scaleX(1);
}

.nav-menu a:hover,
.blog-menu a:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== 移动端导航 ===== */

.nav-toggle,
.blog-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    gap: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-toggle:hover,
.blog-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.nav-toggle span,
.blog-nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-light);
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 移动端导航菜单 ===== */

.nav-menu-mobile,
.blog-menu-mobile {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
    z-index: 9999;
    padding: var(--space-md) 0;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu-mobile.active,
.blog-menu-mobile.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-menu-mobile ul,
.blog-menu-mobile ul {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
}

.nav-menu-mobile li,
.blog-menu-mobile li {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-menu-mobile li:last-child,
.blog-menu-mobile li:last-child {
    border-bottom: none;
}

.nav-menu-mobile a,
.blog-menu-mobile a {
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu-mobile a::before,
.blog-menu-mobile a::before {
    content: '';
    margin-right: var(--space-sm);
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--secondary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu-mobile a:hover::before,
.blog-menu-mobile a:hover::before {
    transform: scale(1.5);
    background: var(--primary-color);
}

.nav-menu-mobile a:hover,
.blog-menu-mobile a:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}

/* ===== 高级Hero区域 ===== */

.hero,
.header {
    background: var(--gradient-hero);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}

/* 高级背景图案 */
.hero::before,
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero::after,
.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.02)"/></svg>') center center;
    background-size: 80px 80px;
    opacity: 0.5;
}

.hero-content,
.header-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.author-avatar {
    font-size: 5rem;
    margin-bottom: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 140px;
    height: 140px;
    line-height: 140px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.author-avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-2xl);
}

.hero-title,
.header-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 1s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle,
.header-subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    opacity: 0.95;
    letter-spacing: 0.5px;
    animation: slideUp 1s ease-out 0.2s;
}

.hero-description,
.header-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 1s ease-out 0.4s;
}

.hero-buttons {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.6s;
}

.hero-buttons a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn {
    background: var(--primary-gradient);
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-primary::before {
    background: var(--secondary-gradient);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary::before {
    background: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover::before {
    background: rgba(255, 255, 255, 0.3);
}

.social-links {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.8s;
}

.social-link {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.4);
}

.header-decoration {
    margin-top: var(--space-2xl);
    animation: slideUp 1s ease-out 1s;
}

.quote {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 600;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    top: -20px;
    left: 20px;
    opacity: 0.5;
}

.quote::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    bottom: -20px;
    right: 20px;
    opacity: 0.5;
}

/* ===== 主内容区域 ===== */

.main,
.main-content {
    max-width: 1400px;
    margin: -80px auto 0; /* 负边距，让内容重叠Hero */
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}

.container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-3xl);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}

/* ===== 区域标题 ===== */

.section {
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--bg-quaternary);
}

/* ===== 网格和高级卡片 ===== */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--bg-quaternary);
}

/* 高级悬停效果：3D倾斜 + 阴影 + 边框发光 */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.card::after {
    content: '';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.card:hover::before {
    opacity: 0.1;
}

.card:hover::after {
    opacity: 1;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: inline-block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.card p {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 0;
    font-size: 1rem;
}

/* ===== 博客特定样式 ===== */

.articles-section {
    margin-bottom: var(--space-3xl);
}

.search-box {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-inner);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.search-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    outline: none;
    background: var(--bg-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.search-input:focus {
    font-weight: 600;
}

.search-icon {
    font-size: 1.5rem;
    margin-left: var(--space-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}

.search-icon:hover {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: scale(1.1);
}

/* ===== 高级文章卡片 ===== */

.article-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--bg-quaternary);
    position: relative;
    overflow: hidden;
}

/* 高级文章卡片效果：渐变边框 + 悬停效果 */
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.article-card:hover::before {
    opacity: 1;
}

.article-meta {
    background: var(--bg-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
    border: 1px solid var(--bg-quaternary);
}

.article-date {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-category {
    background: var(--secondary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    position: relative;
}

.article-title a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-title a:hover::after {
    width: 100%;
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.read-more::after {
    content: '→';
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.read-more:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateX(8px);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-md);
}

.read-more:hover::after {
    transform: translateX(3px);
}

/* ===== 分类部分 ===== */

.categories-section,
.about-section {
    margin-bottom: var(--space-3xl);
}

.category-list {
    list-style: none;
    padding: 0;
}

.category-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-quaternary);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--secondary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.category-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-color);
}

.category-item:hover::before {
    opacity: 0.1;
}

.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.category-link:hover {
    color: var(--primary-color);
}

.category-count {
    background: var(--primary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.about-content {
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.about-content p {
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
}

.about-content strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* ===== 高级Footer ===== */

.footer {
    background: var(--gradient-footer);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    text-align: center;
    margin-top: var(--space-3xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.footer-links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.footer-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: inline-block;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: white;
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.footer-link:hover::before {
    transform: scaleX(1);
}

.footer-copyright {
    font-size: 0.95rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}

.footer-copyright a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-copyright a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ===== 响应式设计 ===== */

@media (max-width: 1400px) {
    .container,
    .content-wrapper {
        max-width: 100%;
        padding: var(--space-2xl);
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-title,
    .header-title {
        font-size: 3rem;
    }
}

@media (max-width: 1024px) {
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-md);
    }
    
    .nav-menu,
    .blog-menu {
        gap: var(--space-xs);
    }
    
    .nav-menu a,
    .blog-menu a {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-sm) 0;
        height: 65px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-sm);
        height: 65px;
    }
    
    /* 隐藏桌面端导航菜单 */
    .nav-menu,
    .blog-menu {
        display: none;
    }
    
    /* 显示移动端汉堡菜单按钮 */
    .nav-toggle,
    .blog-nav-toggle {
        display: flex;
    }
    
    /* 移动端品牌文字缩小 */
    .nav-title,
    .blog-brand-text {
        font-size: 1rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.5em;
    }
    
    .hero,
    .header {
        padding: var(--space-2xl) var(--space-sm);
        min-height: auto;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--space-sm);
    }
    
    .hero-buttons a {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .search-input {
        margin-bottom: var(--space-xs);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-link {
        display: block;
        width: 100%;
        text-align: center;
        margin: var(--space-xs) 0;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 65px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-xs) 0;
        height: 60px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-xs);
        height: 60px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3em;
    }
    
    .hero,
    .header {
        padding: var(--space-xl) var(--space-xs);
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .container {
        padding: var(--space-lg);
        border-radius: 0;
    }
    
    .card,
    .article-card {
        padding: var(--space-xl);
    }
    
    .search-box {
        padding: var(--space-md);
    }
}

/* ===== 高级动画 ===== */

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.hero::before,
.header::before {
    animation: float 6s ease-in-out infinite;
}

/* ===== 辅助功能 ===== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);

/**
 * 王吉成律师主页和博客 - 移动端深度优化（2026年最流行）
 * 专门针对移动端（手机）进行优化，确保在手机上看起来非常美观
 */

/* ===== 移动端专属优化 ===== */

/* 1. 移动端通用样式 */
@media (max-width: 768px) {
    body {
        /* 移动端字体优化 */
        font-size: 16px;
        line-height: 1.7;
        letter-spacing: 0.3px;
        
        /* 移动端背景优化（简化复杂效果） */
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    /* 移动端容器优化 */
    .container {
        border-radius: 0;
        box-shadow: none;
        background: #ffffff;
        padding: 20px;
        margin: 0;
    }
    
    /* 移动端导航栏优化 */
    .navbar,
    .blog-nav {
        height: 60px;
        padding: 10px 0;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 15px;
        height: 60px;
    }
    
    /* 移动端品牌文字优化 */
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
        letter-spacing: -0.3px;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.4rem;
    }
    
    /* 移动端汉堡菜单按钮优化 */
    .nav-toggle,
    .blog-nav-toggle {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 12px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 6px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 24px;
        height: 3px;
        background: white;
        border-radius: 2px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端导航菜单优化 */
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 60px;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile ul,
    .blog-menu-mobile ul {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .nav-menu-mobile li,
    .blog-menu-mobile li {
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile li:last-child,
    .blog-menu-mobile li:last-child {
        border-bottom: none;
    }
    
    .nav-menu-mobile a,
    .blog-menu-mobile a {
        display: flex;
        align-items: center;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 20px;
        min-height: 56px;
        line-height: 1.5;
        border-radius: 0;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .nav-menu-mobile a::before,
    .blog-menu-mobile a::before {
        content: '';
        margin-right: 12px;
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transition: all 0.3s ease;
        flex-shrink: 0;
    }
    
    /* 移动端Hero区域优化 */
    .hero,
    .header {
        padding: 60px 20px;
        min-height: 80vh;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    .hero::before,
    .header::before {
        /* 简化移动端背景动画 */
        background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
        animation: none; /* 移动端禁用动画以提升性能 */
    }
    
    .hero-content,
    .header-content {
        padding: 0;
    }
    
    .author-avatar {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
        margin-bottom: 20px;
    }
    
    .hero-title,
    .header-title {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 15px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 15px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 25px;
    }
    
    /* 移动端按钮优化 */
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin-top: 25px;
    }
    
    .hero-buttons a {
        width: 100%;
        padding: 14px 30px;
        border-radius: 12px;
        font-size: 1rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        text-align: center;
    }
    
    .btn {
        background: white;
        color: #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .btn:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
    }
    
    .btn-primary {
        background: white;
        color: #667eea;
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .btn-secondary {
        background: transparent;
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }
    
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        color: white;
        border-color: white;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端社交媒体链接优化 */
    .social-links {
        flex-direction: row;
        gap: 15px;
        justify-content: center;
        margin-top: 25px;
        flex-wrap: wrap;
    }
    
    .social-link {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 12px 25px;
        border-radius: 12px;
        color: white;
        font-size: 1rem;
        font-weight: 600;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .social-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端引用块优化 */
    .header-decoration {
        margin-top: 30px;
    }
    
    .quote {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        padding: 20px 25px;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 1rem;
        font-style: italic;
        font-weight: 600;
        line-height: 1.6;
        position: relative;
    }
    
    .quote::before,
    .quote::after {
        display: none; /* 移动端隐藏引号图标 */
    }
    
    /* 移动端主要内容区优化 */
    .main,
    .main-content {
        margin: -80px auto 0; /* 让内容重叠Hero区域 */
        padding: 20px 15px;
    }
    
    /* 移动端区域标题优化 */
    .section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 30px;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 15px;
        align-items: stretch;
    }
    
    .section-header h2,
    .section-header h3 {
        text-align: center;
        font-size: 1.8rem;
    }
    
    /* 移动端搜索框优化 */
    .search-box {
        flex-direction: column;
        gap: 10px;
        background: #f9fafb;
        padding: 15px;
        border-radius: 12px;
        border: 2px solid #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.1);
    }
    
    .search-input {
        width: 100%;
        padding: 14px 20px;
        border: none;
        border-radius: 10px;
        font-size: 1rem;
        font-weight: 500;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    
    .search-input:focus {
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    }
    
    .search-icon {
        font-size: 1.5rem;
        margin-left: 0;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: 10px;
        font-weight: 700;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    /* 移动端网格优化 */
    .grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    /* 移动端卡片优化 */
    .card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端卡片悬停效果 */
    .card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card::after {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
        display: inline-block;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .card h3 {
        color: #1f2937;
        margin-bottom: 10px;
        font-size: 1.3rem;
        font-weight: 700;
        line-height: 1.3;
    }
    
    .card p {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 0;
        font-size: 1rem;
    }
    
    /* 移动端文章卡片优化 */
    .article-card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        margin-bottom: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端文章卡片悬停效果 */
    .article-card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .article-meta {
        background: #f9fafb;
        padding: 12px 20px;
        border-radius: 10px;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
        border: 1px solid #e5e7eb;
    }
    
    .article-date {
        font-weight: 700;
        font-size: 0.9rem;
        color: #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .article-category {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    .article-title {
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .article-title a {
        color: #1f2937;
        text-decoration: none;
        transition: all 0.3s ease;
        display: block;
    }
    
    .article-title a:hover {
        color: #667eea;
    }
    
    .article-excerpt {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 20px;
        font-size: 1rem;
    }
    
    .read-more {
        color: #667eea;
        text-decoration: none;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 25px;
        border-radius: 10px;
        background: #f9fafb;
        border: 2px solid #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        width: 100%;
        justify-content: center;
    }
    
    .read-more::after {
        content: '→';
        transition: all 0.3s ease;
    }
    
    .read-more:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transform: translateX(5px);
        border-color: transparent;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .read-more:hover::after {
        transform: translateX(3px);
    }
    
    /* 移动端分类列表优化 */
    .category-list {
        list-style: none;
        padding: 0;
    }
    
    .category-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 15px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        border-left: 4px solid #667eea;
        transition: all 0.3s ease;
    }
    
    .category-item::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .category-item:hover {
        transform: translateX(5px);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
        border-left-color: #764ba2;
    }
    
    .category-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    
    .category-link:hover {
        color: #667eea;
    }
    
    .category-count {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.85rem;
        font-weight: 700;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    /* 移动端关于部分优化 */
    .about-content {
        line-height: 1.7;
        color: #6b7280;
        background: #f9fafb;
        padding: 25px;
        border-radius: 12px;
        border: 1px solid #e5e7eb;
    }
    
    .about-content p {
        margin-bottom: 15px;
        font-size: 1rem;
    }
    
    .about-content strong {
        color: #1f2937;
        font-weight: 700;
    }
    
    .about-content ul {
        list-style: none;
        padding-left: 0;
    }
    
    .about-content li {
        margin-bottom: 12px;
        padding-left: 30px;
        position: relative;
        font-size: 1rem;
    }
    
    .about-content li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 3px;
        color: #764ba2;
        font-weight: 700;
        font-size: 1.2rem;
    }
    
    /* 移动端Footer优化 */
    .footer {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        color: white;
        padding: 40px 20px;
        margin-top: 40px;
        position: relative;
        overflow: hidden;
    }
    
    .footer::before {
        display: none; /* 移动端禁用复杂背景 */
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .footer-link {
        color: white;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 25px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 52px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .footer-link::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .footer-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .footer-copyright {
        font-size: 0.9rem;
        opacity: 0.8;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-copyright a {
        color: white;
        text-decoration: none;
        font-weight: 600;
    }
    
    .footer-copyright a:hover {
        text-decoration: underline;
        color: #764ba2;
    }
}

/* 2. 小屏手机优化（< 480px） */
@media (max-width: 480px) {
    body {
        padding-top: 60px;
        font-size: 15px;
        line-height: 1.6;
    }
    
    /* 小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 55px;
        padding: 8px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 12px;
        height: 55px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.85rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3rem;
    }
    
    .nav-toggle,
    .blog-nav-toggle {
        width: 45px;
        height: 45px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 5px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 22px;
        height: 2.5px;
    }
    
    /* 小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 50px 15px;
        min-height: 70vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    .author-avatar {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    /* 小屏手机按钮优化 */
    .hero-buttons a {
        padding: 12px 25px;
        font-size: 0.95rem;
        border-radius: 10px;
    }
    
    /* 小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .card-icon {
        font-size: 2.2rem;
    }
    
    .card h3 {
        font-size: 1.2rem;
    }
    
    /* 小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.2rem;
    }
    
    .read-more {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    /* 小屏手机Footer优化 */
    .footer {
        padding: 30px 15px;
    }
    
    .footer-link {
        padding: 14px 20px;
        font-size: 1rem;
        min-height: 50px;
    }
    
    .footer-copyright {
        font-size: 0.85rem;
    }
}

/* 3. 超小屏手机优化（< 380px） */
@media (max-width: 380px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    /* 超小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 50px;
        padding: 5px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 10px;
        height: 50px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.8rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.2rem;
    }
    
    /* 超小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 40px 10px;
        min-height: 60vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 1.3;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.9rem;
    }
    
    /* 超小屏手机按钮优化 */
    .hero-buttons a {
        padding: 11px 20px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 18px;
        border-radius: 10px;
    }
    
    .card h3 {
        font-size: 1.1rem;
    }
    
    /* 超小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.1rem;
    }
    
    .read-more {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机Footer优化 */
    .footer {
        padding: 25px 10px;
    }
    
    .footer-link {
        padding: 12px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
}

    --primary-dark: #4338ca;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* 辅助色：高级绿和橙色的渐变 */
    --secondary-color: #10b981;
    --secondary-light: #34d399;
    --secondary-dark: #059669;
    --secondary-gradient: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    
    /* 强调色：鲜艳的橙色和粉色 */
    --accent-color: #f59e0b;
    --accent-light: #fcd34d;
    --accent-dark: #d97706;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #fcd34d 100%);
    
    /* 警告色：深红色和橙红色 */
    --warning-color: #ef4444;
    --warning-light: #f87171;
    --warning-dark: #b91c1c;
    --warning-gradient: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    
    /* 中性色：高级灰 */
    --text-primary: #1f2937;
    --text-secondary: #374151;
    --text-tertiary: #6b7280;
    --text-light: #9ca3af;
    --text-lighter: #d1d5db;
    
    /* 背景色：高级白和浅灰 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-quaternary: #e5e7eb;
    
    /* 渐变背景：复杂的现代渐变 */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #6B8DD6 100%);
    --gradient-card: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    --gradient-footer: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* 高级阴影：多层阴影效果 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 内阴影：用于按钮和输入框 */
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    
    /* 高级圆角 */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 50%;
    
    /* 高级间距 */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-hero);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
/* ===== 高级导航栏（毛玻璃效果） ===== */
.navbar,
.blog-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar.scrolled,
.blog-nav.scrolled {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    height: 65px;
    box-shadow: var(--shadow-2xl);
}
.nav-container,
.blog-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.nav-brand,
.blog-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-light);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}
.nav-brand:hover,
.blog-brand:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}
.nav-icon,
.blog-brand-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}
.nav-menu,
.blog-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
}
.nav-menu li,
.blog-menu li {
    margin: 0;
}
.nav-menu a,
.blog-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
/* 高级悬停效果：背景渐变 + 阴影 + 下划线 */
.nav-menu a::before,
.blog-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    width: calc(100% - var(--space-lg));
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}
.nav-menu a:hover::before,
.blog-menu a:hover::before {
    transform: scaleX(1);
}
.nav-menu a:hover,
.blog-menu a:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
/* ===== 移动端导航 ===== */
.nav-toggle,
.blog-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
    gap: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.nav-toggle:hover,
.blog-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}
.nav-toggle span,
.blog-nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-light);
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ===== 移动端导航菜单 ===== */
.nav-menu-mobile,
.blog-menu-mobile {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl);
    z-index: 9999;
    padding: var(--space-md) 0;
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-menu-mobile.active,
.blog-menu-mobile.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}
.nav-menu-mobile ul,
.blog-menu-mobile ul {
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: 600px;
    margin: 0 auto;
}
.nav-menu-mobile li,
.blog-menu-mobile li {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-menu-mobile li:last-child,
.blog-menu-mobile li:last-child {
    border-bottom: none;
}
.nav-menu-mobile a,
.blog-menu-mobile a {
    display: flex;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.nav-menu-mobile a::before,
.blog-menu-mobile a::before {
    content: '';
    margin-right: var(--space-sm);
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--secondary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-menu-mobile a:hover::before,
.blog-menu-mobile a:hover::before {
    transform: scale(1.5);
    background: var(--primary-color);
}
.nav-menu-mobile a:hover,
.blog-menu-mobile a:hover {
    color: var(--primary-light);
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}
/* ===== 高级Hero区域 ===== */
.hero,
.header {
    background: var(--gradient-hero);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}
/* 高级背景图案 */
.hero::before,
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}
.hero::after,
.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.02)"/></svg>') center center;
    background-size: 80px 80px;
    opacity: 0.5;
}
.hero-content,
.header-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}
.author-avatar {
    font-size: 5rem;
    margin-bottom: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 140px;
    height: 140px;
    line-height: 140px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.author-avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-2xl);
}
.hero-title,
.header-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 1s ease-out;
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.hero-subtitle,
.header-subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    opacity: 0.95;
    letter-spacing: 0.5px;
    animation: slideUp 1s ease-out 0.2s;
}
.hero-description,
.header-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 1s ease-out 0.4s;
}
.hero-buttons {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.6s;
}
.hero-buttons a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}
.btn {
    background: var(--primary-gradient);
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-gradient);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}
.btn:hover::before {
    left: 0;
}
.btn-primary {
    background: var(--primary-gradient);
    color: white;
}
.btn-primary::before {
    background: var(--secondary-gradient);
}
.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}
.btn-secondary::before {
    background: rgba(255, 255, 255, 0.1);
}
.btn-secondary:hover::before {
    background: rgba(255, 255, 255, 0.3);
}
.social-links {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease-out 0.8s;
}
.social-link {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.4);
}
.header-decoration {
    margin-top: var(--space-2xl);
    animation: slideUp 1s ease-out 1s;
}
.quote {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1.2rem;
    font-style: italic;
    font-weight: 600;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}
.quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    top: -20px;
    left: 20px;
    opacity: 0.5;
}
.quote::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    position: absolute;
    bottom: -20px;
    right: 20px;
    opacity: 0.5;
}
/* ===== 主内容区域 ===== */
.main,
.main-content {
    max-width: 1400px;
    margin: -80px auto 0; /* 负边距，让内容重叠Hero */
    padding: 0 var(--space-md);
    position: relative;
    z-index: 2;
}
.container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-3xl);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}
/* ===== 区域标题 ===== */
.section {
    margin-bottom: var(--space-3xl);
}
.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--space-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--bg-quaternary);
}
/* ===== 网格和高级卡片 ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--bg-quaternary);
}
/* 高级悬停效果：3D倾斜 + 阴影 + 边框发光 */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}
.card::after {
    content: '';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}
.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}
.card:hover::before {
    opacity: 0.1;
}
.card:hover::after {
    opacity: 1;
}
.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: inline-block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.card p {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 0;
    font-size: 1rem;
}
/* ===== 博客特定样式 ===== */
.articles-section {
    margin-bottom: var(--space-3xl);
}
.search-box {
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-inner);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}
.search-input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    outline: none;
    background: var(--bg-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}
.search-input:focus {
    font-weight: 600;
}
.search-icon {
    font-size: 1.5rem;
    margin-left: var(--space-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}
.search-icon:hover {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: scale(1.1);
}
/* ===== 高级文章卡片 ===== */
.article-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--bg-quaternary);
    position: relative;
    overflow: hidden;
}
/* 高级文章卡片效果：渐变边框 + 悬停效果 */
.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}
.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}
.article-card:hover::before {
    opacity: 1;
}
.article-meta {
    background: var(--bg-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    position: relative;
    z-index: 1;
    border: 1px solid var(--bg-quaternary);
}
.article-date {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.article-category {
    background: var(--secondary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
}
.article-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
    letter-spacing: -0.5px;
}
.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    position: relative;
}
.article-title a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.article-title a:hover {
    color: var(--primary-color);
}
.article-title a:hover::after {
    width: 100%;
}
.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}
.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.read-more::after {
    content: '→';
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.read-more:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateX(8px);
    padding: var(--space-sm) var(--space-lg);
    box-shadow: var(--shadow-md);
}
.read-more:hover::after {
    transform: translateX(3px);
}
/* ===== 分类部分 ===== */
.categories-section,
.about-section {
    margin-bottom: var(--space-3xl);
}
.category-list {
    list-style: none;
    padding: 0;
}
.category-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    padding: var(--space-lg) var(--space-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-quaternary);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--secondary-gradient);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}
.category-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-color);
}
.category-item:hover::before {
    opacity: 0.1;
}
.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}
.category-link:hover {
    color: var(--primary-color);
}
.category-count {
    background: var(--primary-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}
.about-content {
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}
.about-content p {
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
}
.about-content strong {
    color: var(--text-primary);
    font-weight: 700;
}
/* ===== 高级Footer ===== */
.footer {
    background: var(--gradient-footer);
    color: white;
    padding: var(--space-3xl) var(--space-md);
    text-align: center;
    margin-top: var(--space-3xl);
    position: relative;
    overflow: hidden;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}
.footer-links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}
.footer-link {
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: inline-block;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: white;
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}
.footer-link:hover::before {
    transform: scaleX(1);
}
.footer-copyright {
    font-size: 0.95rem;
    opacity: 0.8;
    position: relative;
    z-index: 1;
}
.footer-copyright a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.footer-copyright a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}
/* ===== 响应式设计 ===== */
@media (max-width: 1400px) {
    .container,
    .content-wrapper {
        max-width: 100%;
        padding: var(--space-2xl);
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-title,
    .header-title {
        font-size: 3rem;
    }
}
@media (max-width: 1024px) {
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-md);
    }
    
    .nav-menu,
    .blog-menu {
        gap: var(--space-xs);
    }
    
    .nav-menu a,
    .blog-menu a {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.9rem;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-sm) 0;
        height: 65px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-sm);
        height: 65px;
    }
    
    /* 隐藏桌面端导航菜单 */
    .nav-menu,
    .blog-menu {
        display: none;
    }
    
    /* 显示移动端汉堡菜单按钮 */
    .nav-toggle,
    .blog-nav-toggle {
        display: flex;
    }
    
    /* 移动端品牌文字缩小 */
    .nav-title,
    .blog-brand-text {
        font-size: 1rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.5em;
    }
    
    .hero,
    .header {
        padding: var(--space-2xl) var(--space-sm);
        min-height: auto;
    }
    
    .hero-title,
    .header-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: var(--space-sm);
    }
    
    .hero-buttons a {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .search-input {
        margin-bottom: var(--space-xs);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-link {
        display: block;
        width: 100%;
        text-align: center;
        margin: var(--space-xs) 0;
    }
}
@media (max-width: 480px) {
    body {
        padding-top: 65px;
    }
    
    .navbar,
    .blog-nav {
        padding: var(--space-xs) 0;
        height: 60px;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 var(--space-xs);
        height: 60px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3em;
    }
    
    .hero,
    .header {
        padding: var(--space-xl) var(--space-xs);
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .container {
        padding: var(--space-lg);
        border-radius: 0;
    }
    
    .card,
    .article-card {
        padding: var(--space-xl);
    }
    
    .search-box {
        padding: var(--space-md);
    }
}
/* ===== 高级动画 ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}
.hero::before,
.header::before {
    animation: float 6s ease-in-out infinite;
}
/* ===== 辅助功能 ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}
/* ===== 打印样式 ===== */
@media print {
    .navbar,
    .blog-nav,
    .nav-toggle,
    .blog-nav-toggle,
    .nav-menu-mobile,
    .blog-menu-mobile,
    .footer,
    .search-box,
    .hero-buttons {
        display: none !important;
    }
    
    .card,
    .article-card {
        page-break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}
/* ===== 高级自定义滚动条 ===== */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}
/**
 * 王吉成律师主页和博客 - 移动端深度优化（2026年最流行）
 * 专门针对移动端（手机）进行优化，确保在手机上看起来非常美观
 */

/* ===== 移动端专属优化 ===== */

/* 1. 移动端通用样式 */
@media (max-width: 768px) {
    body {
        /* 移动端字体优化 */
        font-size: 16px;
        line-height: 1.7;
        letter-spacing: 0.3px;
        
        /* 移动端背景优化（简化复杂效果） */
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    /* 移动端容器优化 */
    .container {
        border-radius: 0;
        box-shadow: none;
        background: #ffffff;
        padding: 20px;
        margin: 0;
    }
    
    /* 移动端导航栏优化 */
    .navbar,
    .blog-nav {
        height: 60px;
        padding: 10px 0;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 15px;
        height: 60px;
    }
    
    /* 移动端品牌文字优化 */
    .nav-title,
    .blog-brand-text {
        font-size: 0.9rem;
        font-weight: 800;
        letter-spacing: -0.3px;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.4rem;
    }
    
    /* 移动端汉堡菜单按钮优化 */
    .nav-toggle,
    .blog-nav-toggle {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 12px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 6px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 24px;
        height: 3px;
        background: white;
        border-radius: 2px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端导航菜单优化 */
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 60px;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile ul,
    .blog-menu-mobile ul {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .nav-menu-mobile li,
    .blog-menu-mobile li {
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-menu-mobile li:last-child,
    .blog-menu-mobile li:last-child {
        border-bottom: none;
    }
    
    .nav-menu-mobile a,
    .blog-menu-mobile a {
        display: flex;
        align-items: center;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 20px;
        min-height: 56px;
        line-height: 1.5;
        border-radius: 0;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .nav-menu-mobile a::before,
    .blog-menu-mobile a::before {
        content: '';
        margin-right: 12px;
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transition: all 0.3s ease;
        flex-shrink: 0;
    }
    
    /* 移动端Hero区域优化 */
    .hero,
    .header {
        padding: 60px 20px;
        min-height: 80vh;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    .hero::before,
    .header::before {
        /* 简化移动端背景动画 */
        background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
        animation: none; /* 移动端禁用动画以提升性能 */
    }
    
    .hero-content,
    .header-content {
        padding: 0;
    }
    
    .author-avatar {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
        margin-bottom: 20px;
    }
    
    .hero-title,
    .header-title {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 15px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 15px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 25px;
    }
    
    /* 移动端按钮优化 */
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin-top: 25px;
    }
    
    .hero-buttons a {
        width: 100%;
        padding: 14px 30px;
        border-radius: 12px;
        font-size: 1rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        text-align: center;
    }
    
    .btn {
        background: white;
        color: #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .btn:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 6px 15px rgba(102, 126, 234, 0.4);
    }
    
    .btn-primary {
        background: white;
        color: #667eea;
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
    }
    
    .btn-secondary {
        background: transparent;
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }
    
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        color: white;
        border-color: white;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端社交媒体链接优化 */
    .social-links {
        flex-direction: row;
        gap: 15px;
        justify-content: center;
        margin-top: 25px;
        flex-wrap: wrap;
    }
    
    .social-link {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 12px 25px;
        border-radius: 12px;
        color: white;
        font-size: 1rem;
        font-weight: 600;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .social-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }
    
    /* 移动端引用块优化 */
    .header-decoration {
        margin-top: 30px;
    }
    
    .quote {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        padding: 20px 25px;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 1rem;
        font-style: italic;
        font-weight: 600;
        line-height: 1.6;
        position: relative;
    }
    
    .quote::before,
    .quote::after {
        display: none; /* 移动端隐藏引号图标 */
    }
    
    /* 移动端主要内容区优化 */
    .main,
    .main-content {
        margin: -80px auto 0; /* 让内容重叠Hero区域 */
        padding: 20px 15px;
    }
    
    /* 移动端区域标题优化 */
    .section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 30px;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 15px;
        align-items: stretch;
    }
    
    .section-header h2,
    .section-header h3 {
        text-align: center;
        font-size: 1.8rem;
    }
    
    /* 移动端搜索框优化 */
    .search-box {
        flex-direction: column;
        gap: 10px;
        background: #f9fafb;
        padding: 15px;
        border-radius: 12px;
        border: 2px solid #667eea;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.1);
    }
    
    .search-input {
        width: 100%;
        padding: 14px 20px;
        border: none;
        border-radius: 10px;
        font-size: 1rem;
        font-weight: 500;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    
    .search-input:focus {
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    }
    
    .search-icon {
        font-size: 1.5rem;
        margin-left: 0;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: 10px;
        font-weight: 700;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    /* 移动端网格优化 */
    .grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    /* 移动端卡片优化 */
    .card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端卡片悬停效果 */
    .card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card::after {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
        display: inline-block;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .card h3 {
        color: #1f2937;
        margin-bottom: 10px;
        font-size: 1.3rem;
        font-weight: 700;
        line-height: 1.3;
    }
    
    .card p {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 0;
        font-size: 1rem;
    }
    
    /* 移动端文章卡片优化 */
    .article-card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        margin-bottom: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* 移动端文章卡片悬停效果 */
    .article-card::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
        border-color: #667eea;
    }
    
    .article-meta {
        background: #f9fafb;
        padding: 12px 20px;
        border-radius: 10px;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
        border: 1px solid #e5e7eb;
    }
    
    .article-date {
        font-weight: 700;
        font-size: 0.9rem;
        color: #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .article-category {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    .article-title {
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .article-title a {
        color: #1f2937;
        text-decoration: none;
        transition: all 0.3s ease;
        display: block;
    }
    
    .article-title a:hover {
        color: #667eea;
    }
    
    .article-excerpt {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 20px;
        font-size: 1rem;
    }
    
    .read-more {
        color: #667eea;
        text-decoration: none;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 12px 25px;
        border-radius: 10px;
        background: #f9fafb;
        border: 2px solid #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        width: 100%;
        justify-content: center;
    }
    
    .read-more::after {
        content: '→';
        transition: all 0.3s ease;
    }
    
    .read-more:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transform: translateX(5px);
        border-color: transparent;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
    }
    
    .read-more:hover::after {
        transform: translateX(3px);
    }
    
    /* 移动端分类列表优化 */
    .category-list {
        list-style: none;
        padding: 0;
    }
    
    .category-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 15px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        border-left: 4px solid #667eea;
        transition: all 0.3s ease;
    }
    
    .category-item::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .category-item:hover {
        transform: translateX(5px);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
        border-left-color: #764ba2;
    }
    
    .category-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    
    .category-link:hover {
        color: #667eea;
    }
    
    .category-count {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 8px;
        font-size: 0.85rem;
        font-weight: 700;
        box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
    }
    
    /* 移动端关于部分优化 */
    .about-content {
        line-height: 1.7;
        color: #6b7280;
        background: #f9fafb;
        padding: 25px;
        border-radius: 12px;
        border: 1px solid #e5e7eb;
    }
    
    .about-content p {
        margin-bottom: 15px;
        font-size: 1rem;
    }
    
    .about-content strong {
        color: #1f2937;
        font-weight: 700;
    }
    
    .about-content ul {
        list-style: none;
        padding-left: 0;
    }
    
    .about-content li {
        margin-bottom: 12px;
        padding-left: 30px;
        position: relative;
        font-size: 1rem;
    }
    
    .about-content li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 3px;
        color: #764ba2;
        font-weight: 700;
        font-size: 1.2rem;
    }
    
    /* 移动端Footer优化 */
    .footer {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        color: white;
        padding: 40px 20px;
        margin-top: 40px;
        position: relative;
        overflow: hidden;
    }
    
    .footer::before {
        display: none; /* 移动端禁用复杂背景 */
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .footer-link {
        color: white;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 25px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 52px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .footer-link::before {
        display: none; /* 移动端禁用复杂效果 */
    }
    
    .footer-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .footer-copyright {
        font-size: 0.9rem;
        opacity: 0.8;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-copyright a {
        color: white;
        text-decoration: none;
        font-weight: 600;
    }
    
    .footer-copyright a:hover {
        text-decoration: underline;
        color: #764ba2;
    }
}

/* 2. 小屏手机优化（< 480px） */
@media (max-width: 480px) {
    body {
        padding-top: 60px;
        font-size: 15px;
        line-height: 1.6;
    }
    
    /* 小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 55px;
        padding: 8px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 12px;
        height: 55px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.85rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3rem;
    }
    
    .nav-toggle,
    .blog-nav-toggle {
        width: 45px;
        height: 45px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
        gap: 5px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 22px;
        height: 2.5px;
    }
    
    /* 小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 50px 15px;
        min-height: 70vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    .author-avatar {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    /* 小屏手机按钮优化 */
    .hero-buttons a {
        padding: 12px 25px;
        font-size: 0.95rem;
        border-radius: 10px;
    }
    
    /* 小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .card-icon {
        font-size: 2.2rem;
    }
    
    .card h3 {
        font-size: 1.2rem;
    }
    
    /* 小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.2rem;
    }
    
    .read-more {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    /* 小屏手机Footer优化 */
    .footer {
        padding: 30px 15px;
    }
    
    .footer-link {
        padding: 14px 20px;
        font-size: 1rem;
        min-height: 50px;
    }
    
    .footer-copyright {
        font-size: 0.85rem;
    }
}

/* 3. 超小屏手机优化（< 380px） */
@media (max-width: 380px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    /* 超小屏手机导航栏优化 */
    .navbar,
    .blog-nav {
        height: 50px;
        padding: 5px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 10px;
        height: 50px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.8rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.2rem;
    }
    
    /* 超小屏手机Hero区域优化 */
    .hero,
    .header {
        padding: 40px 10px;
        min-height: 60vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 1.3;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.9rem;
    }
    
    /* 超小屏手机按钮优化 */
    .hero-buttons a {
        padding: 11px 20px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机卡片优化 */
    .card,
    .article-card {
        padding: 18px;
        border-radius: 10px;
    }
    
    .card h3 {
        font-size: 1.1rem;
    }
    
    /* 超小屏手机文章卡片优化 */
    .article-title {
        font-size: 1.1rem;
    }
    
    .read-more {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    /* 超小屏手机Footer优化 */
    .footer {
        padding: 25px 10px;
    }
    
    .footer-link {
        padding: 12px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
}

/* ===== 移动端简化CSS ===== */
/**
 * 移动端简化CSS（去除复杂效果，使移动端更美观、更干净）
 * 专门针对移动端（< 768px）进行优化
 */

/* ===== 移动端：去除复杂效果 ===== */

@media (max-width: 768px) {
    body {
        /* 移动端字体优化 */
        font-size: 16px;
        line-height: 1.7;
        letter-spacing: 0.3px;
        font-weight: 400;
        
        /* 移动端背景优化（简化渐变） */
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        overflow-x: hidden;
    }
    
    /* ===== 移动端导航栏：毛玻璃效果 + 简化 ===== */
    
    .navbar,
    .blog-nav {
        height: 60px;
        padding: 10px 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 15px;
        height: 60px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.95rem;
        font-weight: 800;
        letter-spacing: -0.3px;
        color: #667eea;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.5rem;
    }
    
    /* ===== 移动端汉堡菜单：渐变背景 + 发光效果 ===== */
    
    .nav-toggle,
    .blog-nav-toggle {
        display: flex;
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 12px;
        padding: 12px;
        gap: 6px;
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .nav-toggle:hover,
    .blog-nav-toggle:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 26px;
        height: 2px;
        background: white;
        border-radius: 2px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        transition: all 0.3s ease;
    }
    
    /* ===== 移动端导航菜单：毛玻璃效果 + 简化 ===== */
    
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 60px;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-menu-mobile ul,
    .blog-menu-mobile ul {
        max-width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .nav-menu-mobile li,
    .blog-menu-mobile li {
        margin: 0;
        padding: 0;
        border-bottom: 1px solid #f3f4f6;
    }
    
    .nav-menu-mobile li:last-child,
    .blog-menu-mobile li:last-child {
        border-bottom: none;
    }
    
    .nav-menu-mobile a,
    .blog-menu-mobile a {
        display: flex;
        align-items: center;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.15rem;
        padding: 16px 20px;
        min-height: 56px;
        line-height: 1.5;
        background: transparent;
        transition: all 0.3s ease;
        text-transform: none;
        letter-spacing: 0.3px;
        border-radius: 8px;
    }
    
    .nav-menu-mobile a::before,
    .blog-menu-mobile a::before {
        display: none; /* 移动端隐藏图标 */
    }
    
    .nav-menu-mobile a::after,
    .blog-menu-mobile a::after {
        display: none; /* 移动端隐藏箭头 */
    }
    
    .nav-menu-mobile a:active,
    .blog-menu-mobile a:active {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 2px 10px rgba(102, 126, 234, 0.2);
    }
    
    /* ===== 移动端Hero区域：简化渐变背景 + 优化间距 ===== */
    
    .hero,
    .header {
        padding: 60px 20px;
        min-height: 70vh;
        text-align: center;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        position: relative;
        overflow: hidden;
    }
    
    .hero::before,
    .header::before {
        /* 移动端禁用背景动画 */
        display: none;
    }
    
    .hero::after,
    .header::after {
        /* 移动端简化背景图案 */
        display: block;
        opacity: 0.3;
        background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
        animation: none;
    }
    
    .hero-content,
    .header-content {
        padding: 0;
        position: relative;
        z-index: 1;
    }
    
    .author-avatar {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
        margin-bottom: 20px;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        line-height: 80px;
        border-radius: 50%;
        margin-left: auto;
        margin-right: auto;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.2);
    }
    
    .hero-title,
    .header-title {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 15px;
        line-height: 1.3;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        letter-spacing: -0.5px;
        color: white;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 15px;
        opacity: 0.95;
        letter-spacing: 0.3px;
        color: white;
    }
    
    .hero-description,
    .header-intro {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 25px;
        opacity: 0.9;
        color: white;
        max-width: 100%;
        padding: 0 20px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* ===== 移动端按钮：渐变背景 + 优化大小 ===== */
    
    .hero-buttons {
        margin-top: 25px;
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding: 0 20px;
    }
    
    .hero-buttons a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 14px 30px;
        border-radius: 12px;
        font-weight: 700;
        font-size: 1rem;
        text-decoration: none;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        border: none;
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        width: 100%;
    }
    
    .btn {
        background: white;
        color: #667eea;
    }
    
    .btn:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    }
    
    .btn-primary {
        background: white;
        color: #667eea;
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    }
    
    .btn-secondary {
        background: transparent;
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.6);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.1);
        color: white;
        border-color: white;
        box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
    }
    
    /* ===== 移动端社交媒体链接：简化 ===== */
    
    .social-links {
        margin-top: 25px;
        display: flex;
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
        padding: 0 20px;
    }
    
    .social-link {
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 12px 25px;
        border-radius: 12px;
        color: white;
        text-decoration: none;
        font-weight: 600;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        font-size: 1rem;
    }
    
    .social-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    }
    
    /* ===== 移动端主要内容区：优化布局 ===== */
    
    .main,
    .main-content {
        margin: -80px auto 0;
        padding: 20px 15px;
        position: relative;
        z-index: 2;
    }
    
    .container {
        background: #ffffff;
        border-radius: 16px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        padding: 20px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
    }
    
    .content-wrapper {
        display: flex;
        flex-direction: column;
        gap: 40px;
        margin-top: 40px;
    }
    
    /* ===== 移动端区域标题：简化 ===== */
    
    .section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 1.8rem;
        font-weight: 800;
        text-align: center;
        margin-bottom: 30px;
        color: #667eea;
        letter-spacing: -0.5px;
    }
    
    .section-header {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 15px;
        border-bottom: 2px solid #e5e7eb;
        align-items: stretch;
    }
    
    /* ===== 移动端搜索框：简化 ===== */
    
    .search-box {
        flex-direction: column;
        gap: 10px;
        background: #f9fafb;
        padding: 15px;
        border-radius: 12px;
        border: 2px solid #667eea;
        box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    
    .search-input {
        width: 100%;
        padding: 14px 20px;
        border: none;
        border-radius: 10px;
        font-size: 1rem;
        outline: none;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
        font-weight: 500;
    }
    
    .search-input:focus {
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }
    
    .search-icon {
        font-size: 1.5rem;
        margin-left: 0;
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-radius: 10px;
        font-weight: 700;
        box-shadow: 0 2px 10px rgba(102, 126, 234, 0.2);
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    /* ===== 移动端网格：单列布局 ===== */
    
    .grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    /* ===== 移动端卡片：简化 ===== */
    
    .card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
    }
    
    /* 移动端卡片：去除复杂效果 */
    .card::before,
    .card::after {
        display: none;
    }
    
    .card:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.1);
        border-color: #667eea;
    }
    
    .card-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
        display: inline-block;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .card h3 {
        color: #1f2937;
        margin-bottom: 10px;
        font-size: 1.3rem;
        font-weight: 700;
        letter-spacing: -0.5px;
    }
    
    .card p {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 0;
        font-size: 1rem;
    }
    
    /* ===== 移动端文章卡片：简化 ===== */
    
    .article-card {
        background: white;
        border-radius: 16px;
        padding: 25px;
        margin-bottom: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
        border: 1px solid #e5e7eb;
        position: relative;
        overflow: hidden;
    }
    
    /* 移动端文章卡片：去除复杂效果 */
    .article-card::before,
    .article-card::after {
        display: none;
    }
    
    .article-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(102, 126, 234, 0.1);
        border-color: #667eea;
    }
    
    .article-meta {
        background: #f9fafb;
        padding: 12px 20px;
        border-radius: 10px;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
        border: 1px solid #e5e7eb;
    }
    
    .article-date {
        font-weight: 700;
        font-size: 0.9rem;
        color: #667eea;
        text-transform: uppercase;
        letter-spacing: 0.3px;
    }
    
    .article-category {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 10px;
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        box-shadow: 0 2px 6px rgba(102, 126, 234, 0.2);
    }
    
    .article-title {
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 15px;
        line-height: 1.4;
        letter-spacing: -0.5px;
    }
    
    .article-title a {
        color: #1f2937;
        text-decoration: none;
        transition: all 0.3s ease;
        display: block;
    }
    
    .article-title a:hover {
        color: #667eea;
    }
    
    .article-excerpt {
        color: #6b7280;
        line-height: 1.6;
        margin-bottom: 20px;
        font-size: 1rem;
    }
    
    .read-more {
        color: #667eea;
        text-decoration: none;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 12px 25px;
        border-radius: 10px;
        background: #f9fafb;
        border: 2px solid #667eea;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        width: 100%;
        box-shadow: 0 2px 6px rgba(102, 126, 234, 0.1);
    }
    
    .read-more::after {
        content: '→';
        transition: all 0.3s ease;
    }
    
    .read-more:hover {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        transform: translateX(5px);
        border-color: transparent;
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    }
    
    .read-more:hover::after {
        transform: translateX(3px);
    }
    
    /* ===== 移动端分类列表：简化 ===== */
    
    .categories-section,
    .about-section {
        margin-bottom: 40px;
    }
    
    .category-list {
        list-style: none;
        padding: 0;
    }
    
    .category-item {
        background: white;
        border-radius: 12px;
        margin-bottom: 15px;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        border-left: 4px solid #667eea;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    /* 移动端分类列表：去除复杂效果 */
    .category-item::before {
        display: none;
    }
    
    .category-item:hover {
        transform: translateX(5px);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.1);
        border-left-color: #764ba2;
    }
    
    .category-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #1f2937;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        transition: all 0.3s ease;
    }
    
    .category-link:hover {
        color: #667eea;
    }
    
    .category-count {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 10px;
        font-size: 0.85rem;
        font-weight: 700;
        box-shadow: 0 2px 6px rgba(102, 126, 234, 0.2);
    }
    
    /* ===== 移动端关于部分：简化 ===== */
    
    .about-content {
        line-height: 1.7;
        color: #6b7280;
        background: #f9fafb;
        padding: 25px;
        border-radius: 12px;
        border: 1px solid #e5e7eb;
    }
    
    .about-content p {
        margin-bottom: 15px;
        font-size: 1rem;
    }
    
    .about-content strong {
        color: #1f2937;
        font-weight: 700;
    }
    
    .about-content ul {
        list-style: none;
        padding-left: 0;
    }
    
    .about-content li {
        margin-bottom: 12px;
        padding-left: 30px;
        position: relative;
        font-size: 1rem;
    }
    
    .about-content li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 2px;
        color: #764ba2;
        font-weight: 700;
        font-size: 1.2rem;
    }
    
    /* ===== 移动端Footer：简化 ===== */
    
    .footer {
        background: #1a1a2e;
        color: white;
        padding: 40px 20px;
        text-align: center;
        margin-top: 40px;
        position: relative;
        overflow: hidden;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .footer::before {
        display: none;
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .footer-link {
        color: white;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.1rem;
        padding: 16px 25px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.1);
        display: block;
        text-align: center;
        transition: all 0.3s ease;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }
    
    .footer-link::before {
        display: none;
    }
    
    .footer-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
    }
    
    .footer-copyright {
        font-size: 0.9rem;
        opacity: 0.8;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .footer-copyright a {
        color: white;
        text-decoration: none;
        font-weight: 600;
    }
    
    .footer-copyright a:hover {
        text-decoration: underline;
        color: #764ba2;
    }
}

/* ===== 小屏手机优化（< 480px） ===== */

@media (max-width: 480px) {
    body {
        padding-top: 60px;
        font-size: 15px;
        line-height: 1.6;
    }
    
    .navbar,
    .blog-nav {
        height: 55px;
        padding: 8px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 12px;
        height: 55px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.85rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.3rem;
    }
    
    .nav-toggle,
    .blog-nav-toggle {
        width: 45px;
        height: 45px;
        padding: 10px;
        gap: 5px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 24px;
        height: 2px;
    }
    
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 55px;
        padding: 15px 0;
    }
    
    .hero,
    .header {
        padding: 50px 15px;
        min-height: 65vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.8rem;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    .author-avatar {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .hero-buttons {
        margin-top: 20px;
        padding: 0 15px;
    }
    
    .hero-buttons a {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .main,
    .main-content {
        margin: -70px auto 0;
        padding: 15px 12px;
    }
    
    .container {
        padding: 15px 12px;
        border-radius: 12px;
    }
    
    .card,
    .article-card {
        padding: 20px;
        border-radius: 12px;
    }
    
    .card h3,
    .article-title {
        font-size: 1.2rem;
    }
    
    .read-more {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
    
    .footer {
        padding: 30px 15px;
    }
    
    .footer-link {
        padding: 14px 20px;
        font-size: 1rem;
        min-height: 50px;
    }
    
    .footer-copyright {
        font-size: 0.85rem;
    }
}

/* ===== 超小屏手机优化（< 380px） ===== */

@media (max-width: 380px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .navbar,
    .blog-nav {
        height: 50px;
        padding: 5px 0;
    }
    
    .nav-container,
    .blog-nav-inner {
        padding: 0 10px;
        height: 50px;
    }
    
    .nav-title,
    .blog-brand-text {
        font-size: 0.8rem;
        font-weight: 800;
    }
    
    .nav-icon,
    .blog-brand-icon {
        font-size: 1.2rem;
    }
    
    .nav-toggle,
    .blog-nav-toggle {
        width: 40px;
        height: 40px;
        padding: 8px;
        gap: 4px;
    }
    
    .nav-toggle span,
    .blog-nav-toggle span {
        width: 20px;
        height: 2px;
    }
    
    .nav-menu-mobile,
    .blog-menu-mobile {
        top: 50px;
        padding: 12px 0;
    }
    
    .nav-menu-mobile a,
    .blog-menu-mobile a {
        padding: 14px 18px;
        font-size: 1.05rem;
        min-height: 52px;
    }
    
    .hero,
    .header {
        padding: 40px 10px;
        min-height: 60vh;
    }
    
    .hero-title,
    .header-title {
        font-size: 1.6rem;
        font-weight: 800;
        line-height: 1.3;
    }
    
    .hero-subtitle,
    .header-subtitle {
        font-size: 0.95rem;
        font-weight: 700;
    }
    
    .hero-description,
    .header-intro {
        font-size: 0.9rem;
    }
    
    .author-avatar {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        margin-top: 15px;
        padding: 0 10px;
    }
    
    .hero-buttons a {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .main,
    .main-content {
        margin: -60px auto 0;
        padding: 12px 10px;
    }
    
    .container {
        padding: 12px 10px;
        border-radius: 10px;
    }
    
    .card,
    .article-card {
        padding: 18px;
        border-radius: 10px;
    }
    
    .card h3,
    .article-title {
        font-size: 1.1rem;
    }
    
    .read-more {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 25px 10px;
    }
    
    .footer-link {
        padding: 12px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
}