/* ==================== CSS 变量 ==================== */
:root {
    /* 主色调 - 粉色系 */
    --primary-color: #F5789E;
    --primary-dark: #E66789;
    --primary-light: #FFA3BA;
    --secondary-color: #FF9AB5;
    --secondary-dark: #F088A3;
    --accent-color: #FFB6C8;
    
    /* 中性色 - 浅色主题 */
    --dark-bg: #F8F8FB;
    --darker-bg: #FFFFFF;
    --card-bg: #FFFFFF;
    --text-light: #333333;
    --text-gray: #666666;
    --text-dark: #1A1A2E;
    --border-color: #E8E8F0;
    
    /* 渐变色 - 粉色渐变 */
    --gradient-primary: linear-gradient(135deg, #F5789E 0%, #FFA3BA 100%);
    --gradient-secondary: linear-gradient(135deg, #FF9AB5 0%, #FFB6C8 100%);
    --gradient-accent: linear-gradient(135deg, #F5789E 0%, #FF6B9D 100%);
    --gradient-light: linear-gradient(135deg, #F8F8FB 0%, #FFFFFF 100%);
    
    /* 阴影 - 柔和阴影 */
    --shadow-sm: 0 2px 8px rgba(245, 120, 158, 0.08);
    --shadow-md: 0 4px 16px rgba(245, 120, 158, 0.12);
    --shadow-lg: 0 8px 32px rgba(245, 120, 158, 0.15);
    --shadow-xl: 0 16px 48px rgba(245, 120, 158, 0.2);
    
    /* 动画时长 */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--dark-bg);
    overflow-x: hidden;
    background-image: linear-gradient(180deg, #F8F8FB 0%, #FFFFFF 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-normal);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==================== 导航栏 ==================== */
/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
}

/* Logo样式 */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo-img {
    height: 40px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.nav-logo:hover .nav-logo-img {
    transform: rotate(-5deg);
}

.nav-logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, #FF6B9D 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

/* 导航菜单容器 */
.nav-menu-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-link i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(245, 120, 158, 0.1) 0%, rgba(255, 154, 181, 0.1) 100%);
    border-radius: 12px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::before {
    opacity: 1;
    transform: scale(1);
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link:hover i {
    transform: scale(1.1);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(245, 120, 158, 0.15) 0%, rgba(255, 154, 181, 0.15) 100%);
    color: var(--primary-color);
}

/* 汉堡菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.nav-toggle:hover {
    transform: scale(1.1);
}

.nav-toggle:active {
    transform: scale(0.95);
}

.nav-toggle-bar {
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* ==================== 英雄区 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #FFF5F8 0%, #FFFFFF 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(245, 120, 158, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 154, 181, 0.08) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(245, 120, 158, 0.15), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(245, 120, 158, 0.15), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 154, 181, 0.15), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 154, 181, 0.15), transparent);
    background-size: 200% 200%;
    animation: particleAnimation 20s linear infinite;
}

@keyframes particleAnimation {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.title-main {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.title-sub {
    font-size: 1.5rem;
    color: var(--text-gray);
    font-weight: 500;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn i {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(245, 120, 158, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 120, 158, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.stat-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.stat-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
}

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

/* ==================== 通用区块样式 ==================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
}

/* ==================== 平台特色 ==================== */
.features {
    background: #FFFFFF;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: #FFFFFF;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-gray);
    font-size: 1rem;
}

.feature-list i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* ==================== 核心功能 ==================== */
.functions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.function-item {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
}

.function-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all var(--transition-slow);
}

.function-item:hover::before {
    left: 0;
    opacity: 0.1;
}

.function-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.function-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(245, 120, 158, 0.08);
}

.function-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.function-item h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.function-item p {
    color: var(--text-gray);
}

/* ==================== 游戏分类 ==================== */
.categories {
    background: var(--dark-bg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.category-card:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
}

.category-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotateY(360deg);
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.category-card p {
    color: var(--text-gray);
    position: relative;
    z-index: 1;
}

.category-overlay {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-weight: 600;
    transition: bottom var(--transition-normal);
}

.category-card:hover .category-overlay {
    bottom: 0;
}

/* ==================== 社区特色 ==================== */
.community-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.community-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.community-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border-left: 4px solid transparent;
    border: 2px solid var(--border-color);
    border-left: 4px solid transparent;
}

.community-feature:hover {
    border-left-color: var(--primary-color);
    transform: translateX(10px);
}

.feature-icon-small {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    color: #FFFFFF;
}

.feature-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.feature-content p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.hot-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hot-section-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border-left: 4px solid transparent;
    border: 2px solid var(--border-color);
    border-left: 4px solid transparent;
}

.hot-section-item:hover {
    border-left-color: var(--primary-color);
    transform: translateX(10px);
}

.hot-section-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.hot-section-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--text-light);
}

.hot-section-item p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ==================== 会员权益 ==================== */
.membership {
    background: #FFFFFF;
}

.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.membership-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
    position: relative;
}

.membership-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.membership-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(245, 120, 158, 0.25);
}

.membership-card.featured:hover {
    transform: translateY(-10px) scale(1.05);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: #FFFFFF;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
}

.membership-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-md);
    color: #FFFFFF;
}

.membership-card.featured .membership-icon {
    background: var(--gradient-primary);
}

.membership-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.membership-card ul {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.membership-card li {
    color: var(--text-gray);
    padding-left: 1.5rem;
    position: relative;
}

.membership-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* ==================== 用户评价 ==================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.testimonial-icon {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #FFFFFF;
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.rating {
    display: flex;
    gap: 0.25rem;
}

.rating i {
    color: #FFD700;
    font-size: 0.9rem;
}

/* ==================== 最新文章 ==================== */
.articles {
    background: #FFFFFF;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.article-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gradient-primary);
    color: #FFFFFF;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.article-content {
    padding: var(--spacing-md);
}

.article-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.article-title a {
    color: var(--text-light);
    transition: color var(--transition-normal);
}

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

.article-excerpt {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-gray);
    font-size: 0.9rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.article-meta i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== 常见问题 ==================== */
.faq {
    background: var(--dark-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
}

.faq-question h4 {
    font-size: 1.1rem;
    color: var(--text-light);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-gray);
    line-height: 1.8;
}

/* ==================== CTA区域 ==================== */
.cta {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: #FFFFFF;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: #FFFFFF;
}

.cta .btn-primary {
    background: #FFFFFF;
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.cta .btn-primary:hover {
    background: #FFFFFF;
    transform: translateY(-5px) scale(1.05);
}

/* ==================== 页脚 ==================== */
.footer {
    background: #FFFFFF;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: 1.75rem;
}

.footer-description {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer-section h4 {
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-gray);
    transition: all var(--transition-normal);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #FFF5F8;
    border-radius: var(--radius-sm);
    color: var(--text-gray);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.tag:hover {
    background: var(--primary-color);
    color: #FFFFFF;
    border-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    /* 导航栏移动端样式 */
    .nav-wrapper {
        padding: 0.75rem 0;
    }
    
    .nav-logo-img {
        height: 32px;
    }
    
    .nav-logo-text {
        font-size: 16px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu-wrapper {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        transform: translateX(-100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-menu-wrapper.active {
        transform: translateX(0);
    }
    
    .nav-menu {
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 4px;
        width: 100%;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        padding: 16px 20px;
        font-size: 16px;
        justify-content: flex-start;
        border-radius: 16px;
    }
    
    .nav-link i {
        font-size: 18px;
        width: 24px;
    }
    
    .nav-link::before {
        border-radius: 16px;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 12px;
        justify-content: center;
    }
    
    .stat-item {
        flex: 1;
        min-width: 0;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .stat-item i {
        font-size: 1.8rem;
    }
    
    .stat-content {
        align-items: center;
    }
    
    .stat-number {
        font-size: 1.1rem;
        white-space: nowrap;
    }
    
    .stat-label {
        font-size: 0.7rem;
        white-space: nowrap;
    }
    
    .features-grid,
    .functions-grid,
    .categories-grid,
    .membership-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .community-wrapper {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .title-sub {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* ==================== 内容页面样式 ==================== */
.page-header {
    padding: 120px 0 60px;
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.page-title {
    font-size: 3rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 1;
}

.page-content {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

/* FAQ页面样式 */
.help-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
    border: 2px solid var(--border-color);
}

.help-cta h3 {
    font-size: 1.75rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.help-cta p {
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* 用户手册样式 */
.manual-nav {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--border-color);
}

.manual-nav h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.manual-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.manual-nav a {
    color: var(--text-gray);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.manual-nav a:hover {
    color: var(--primary-color);
    background: rgba(245, 120, 158, 0.05);
    transform: translateX(5px);
}

.manual-content {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
}

.manual-section {
    margin-bottom: var(--spacing-xl);
}

.manual-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.manual-section h2 i {
    margin-right: var(--spacing-sm);
}

.manual-section h3 {
    color: var(--text-light);
    font-size: 1.25rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.manual-card {
    background: rgba(245, 120, 158, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary-color);
}

.manual-card h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 0;
}

.manual-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
    color: var(--text-gray);
}

/* 技术支持页面样式 */
.support-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.support-intro h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.support-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.support-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
}

.support-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.support-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #FFFFFF;
    margin: 0 auto var(--spacing-md);
}

.support-card h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.support-detail {
    color: var(--primary-color);
    font-weight: 600;
    margin: var(--spacing-sm) 0;
}

.support-topics {
    margin-bottom: var(--spacing-xl);
}

.support-topics h2 {
    text-align: center;
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.topic-card {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
}

.topic-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.topic-card h3 i {
    margin-right: var(--spacing-sm);
}

.topic-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.topic-card li {
    color: var(--text-gray);
    padding-left: 1.2rem;
    position: relative;
}

.topic-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.support-tips {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.support-tips h2 {
    color: var(--text-light);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.tips-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.tip-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tip-item h4 {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.tip-item p {
    color: var(--text-gray);
}

.support-hours {
    margin-bottom: var(--spacing-xl);
}

.support-hours h2 {
    text-align: center;
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.hours-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--border-color);
}

.hours-card h3 {
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.hours-card p {
    color: var(--text-gray);
    margin: var(--spacing-xs) 0;
}

.hours-note {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.emergency-contact {
    background: rgba(245, 120, 158, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-color);
}

.emergency-contact h2 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.emergency-info {
    margin-top: var(--spacing-md);
}

.emergency-info p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin: var(--spacing-sm) 0;
}

.emergency-info i {
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

/* 问题反馈页面样式 */
.feedback-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    color: var(--text-gray);
    font-size: 1.1rem;
}

.feedback-form-container {
    max-width: 800px;
    margin: 0 auto;
}

.feedback-form {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.required {
    color: #FF5252;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-light);
    background: #FFFFFF;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    color: var(--text-gray);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.form-note {
    text-align: center;
    color: var(--text-gray);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(245, 120, 158, 0.05);
    border-radius: var(--radius-sm);
}

.feedback-tips {
    background: rgba(245, 120, 158, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    border-left: 4px solid var(--primary-color);
}

.feedback-tips h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feedback-tips h3 i {
    margin-right: var(--spacing-sm);
}

.feedback-stats {
    margin: var(--spacing-xl) 0;
}

.feedback-stats h2 {
    text-align: center;
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--border-color);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    display: block;
    margin: var(--spacing-sm) 0;
}

.stat-card .stat-label {
    color: var(--text-gray);
    font-size: 1rem;
}

.feedback-faq,
.other-contact {
    margin-top: var(--spacing-xl);
}

.feedback-faq h2,
.other-contact h2 {
    color: var(--text-light);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.mini-faq {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mini-faq-item {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
}

.mini-faq-item h4 {
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.mini-faq-item p {
    color: var(--text-gray);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-option {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-option i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* 法律文档页面样式 */
.legal-document {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
}

.legal-meta {
    padding: var(--spacing-md);
    background: rgba(245, 120, 158, 0.05);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
}

.legal-meta p {
    color: var(--text-gray);
    margin: 0.25rem 0;
}

.legal-intro {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.legal-intro p {
    margin-bottom: var(--spacing-sm);
}

.legal-toc {
    background: rgba(245, 120, 158, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.legal-toc h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.legal-toc ol {
    padding-left: 1.5rem;
}

.legal-toc li {
    color: var(--text-gray);
    margin: var(--spacing-xs) 0;
}

.legal-toc a {
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.legal-toc a:hover {
    text-decoration: underline;
}

.legal-section {
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
}

.legal-section h2 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.legal-section h3 {
    color: var(--text-light);
    font-size: 1.25rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.legal-section p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.legal-section ul,
.legal-section ol {
    margin: var(--spacing-sm) 0;
    padding-left: 2rem;
}

.legal-section li {
    color: var(--text-gray);
    line-height: 1.8;
    margin: var(--spacing-xs) 0;
}

.legal-section strong {
    color: var(--text-light);
}

.legal-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
    color: var(--text-gray);
    margin-top: var(--spacing-xl);
}

.legal-footer p {
    margin: var(--spacing-xs) 0;
}

/* ==================== 文章页面样式 ==================== */
.article-header {
    padding: 120px 0 60px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.article-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.article-header-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.article-category-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.article-header-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.article-header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.article-header-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-body {
    padding: var(--spacing-xl) 0;
    background: var(--dark-bg);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
}

.article-main {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.article-cover {
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content-body {
    padding: var(--spacing-xl);
}

.article-lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-gray);
    padding: var(--spacing-md);
    background: rgba(245, 120, 158, 0.05);
    border-left: 4px solid var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.article-content-body h2 {
    color: var(--text-light);
    font-size: 1.75rem;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.article-content-body h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.article-content-body h4 {
    color: var(--text-light);
    font-size: 1.2rem;
    margin: var(--spacing-sm) 0;
}

.article-content-body p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.article-content-body ul,
.article-content-body ol {
    margin: var(--spacing-md) 0;
    padding-left: 2rem;
}

.article-content-body li {
    color: var(--text-gray);
    line-height: 1.8;
    margin: var(--spacing-sm) 0;
}

.article-content-body strong {
    color: var(--text-light);
    font-weight: 700;
}

.code-block {
    background: #F8F8FB;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
    margin: var(--spacing-md) 0;
}

.code-block h4 {
    color: var(--primary-color);
    margin-top: 0;
}

.code-block code {
    display: block;
    background: #FFFFFF;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-light);
    overflow-x: auto;
    margin-top: var(--spacing-sm);
}

.article-tags {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.article-tags h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.article-share {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.article-share h3 {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.share-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    background: #FFFFFF;
    color: var(--text-gray);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
}

.share-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.sidebar-widget {
    background: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
}

.sidebar-widget h3 {
    color: var(--text-light);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.related-articles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.related-articles li {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.related-articles li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-articles a {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: all var(--transition-normal);
}

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

.related-title {
    color: var(--text-light);
    font-weight: 600;
    line-height: 1.4;
}

.related-date {
    color: var(--text-gray);
    font-size: 0.85rem;
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .article-header-title {
        font-size: 1.75rem;
    }

    .article-cover {
        height: 250px;
    }

    .article-content-body {
        padding: var(--spacing-md);
    }

    .article-tags,
    .article-share {
        padding: var(--spacing-md);
    }
}