/* 全局重置和变量 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ff6b9d;
    --secondary: #ffa8e4;
    --accent: #ffd93d;
    --dark: #1a1a1a;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --gradient-main: linear-gradient(135deg, #ff6b9d 0%, #ffa8e4 50%, #ffd93d 100%);
    --gradient-soft: linear-gradient(135deg, rgba(255, 107, 157, 0.1) 0%, rgba(255, 168, 228, 0.1) 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(255, 107, 157, 0.15);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

/* 顶部导航 */
.top-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: var(--transition);
}

.header-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-symbol {
    font-size: 32px;
    line-height: 1;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 22px;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.logo-tagline {
    font-size: 11px;
    color: var(--gray);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.main-nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-link {
    padding: 10px 18px;
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    background: var(--light-gray);
    color: var(--primary);
}

.nav-link.current {
    color: var(--primary);
    background: var(--gradient-soft);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--gradient-main);
    transform: scale(1.05);
}

.btn-outline,
.btn-fill {
    padding: 10px 20px;
    border-radius: 24px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 1.5px solid var(--light-gray);
}

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

.btn-fill {
    background: var(--gradient-main);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* 主视觉区域 */
.banner-section {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.banner-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.animated-bg {
    width: 100%;
    height: 100%;
    background: var(--gradient-main);
    opacity: 0.08;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.banner-headline {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.highlight-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.normal-text {
    color: var(--dark);
    display: block;
}

.banner-description {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 560px;
}

.banner-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.cta-primary,
.cta-secondary {
    padding: 16px 32px;
    border-radius: 32px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.cta-primary {
    background: var(--gradient-main);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--light-gray);
}

.cta-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.banner-features {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    font-size: 14px;
    font-weight: 500;
}

.badge-icon {
    font-size: 18px;
}

.banner-visual {
    position: relative;
    height: 500px;
}

.visual-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.floating-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-1 {
    width: 280px;
    height: 200px;
    top: 0;
    left: 0;
    animation: float1 6s ease-in-out infinite;
}

.card-2 {
    width: 240px;
    height: 180px;
    top: 120px;
    right: 0;
    animation: float2 8s ease-in-out infinite;
}

.card-3 {
    width: 260px;
    height: 190px;
    bottom: 0;
    left: 60px;
    animation: float3 7s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(2deg); }
    50% { transform: translateY(-15px) rotate(-2deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-25px) rotate(1deg); }
}

/* 数据展示栏 */
.stats-bar {
    background: var(--gradient-main);
    padding: 40px 24px;
    margin: 0;
}

.stats-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    align-items: center;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-value {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 14px;
    opacity: 0.95;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
}

/* 内容区块通用样式 */
.content-section {
    padding: 100px 24px;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-top {
    text-align: center;
    margin-bottom: 60px;
}

.section-heading {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-intro {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 视频分类 */
.video-categories {
    background: var(--light-gray);
}

.category-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.tab-item {
    padding: 12px 24px;
    background: var(--white);
    border: 2px solid transparent;
    border-radius: 28px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--dark);
}

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

.tab-item.active {
    background: var(--gradient-main);
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.video-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.video-tile {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.video-tile:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.video-tile.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
}

.tile-thumb {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: var(--light-gray);
    overflow: hidden;
}

.video-tile.featured .tile-thumb {
    padding-top: 0;
    height: 100%;
}

.tile-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.video-tile:hover .tile-thumb img {
    transform: scale(1.05);
}

.play-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: var(--transition);
}

.video-tile:hover .play-indicator {
    opacity: 1;
}

.duration-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.75);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.tile-body {
    padding: 20px;
}

.tile-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tile-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.creator-badge {
    display: flex;
    align-items: center;
    gap: 8px;
}

.creator-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.creator-label {
    color: var(--primary);
    font-weight: 600;
}

.engagement-info {
    display: flex;
    gap: 12px;
    color: var(--gray);
    font-size: 13px;
}

/* 创作者展示 */
.creators-spotlight {
    background: var(--white);
}

.creators-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.creator-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.creator-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.creator-cover {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}

.creator-cover img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
}

.verified-mark {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 16px;
    border: 3px solid var(--white);
}

.creator-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.creator-subtitle {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
}

.creator-metrics {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 16px;
}

.metric-dot {
    color: var(--light-gray);
}

.subscribe-btn {
    width: 100%;
    padding: 12px;
    background: var(--gradient-main);
    color: var(--white);
    border: none;
    border-radius: 24px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

/* 平台特色 */
.platform-features {
    background: var(--light-gray);
}

.features-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-block {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-block:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-soft);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon {
    font-size: 40px;
}

.feature-heading {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-description {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

/* 热门话题 */
.trending-topics {
    background: var(--white);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.topic-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-decoration: none;
    display: block;
}

.topic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.topic-image {
    width: 100%;
    padding-top: 100%;
    position: relative;
    background: var(--light-gray);
    overflow: hidden;
}

.topic-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.topic-content {
    padding: 16px;
}

.topic-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.topic-stats {
    font-size: 13px;
    color: var(--gray);
}

/* 用户评价 */
.testimonials {
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.testimonial-box {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.testimonial-box:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}

.author-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.author-role {
    font-size: 13px;
    color: var(--gray);
}

.testimonial-content {
    margin-bottom: 16px;
}

.testimonial-content p {
    font-size: 15px;
    color: var(--dark);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-rating {
    font-size: 18px;
    color: var(--accent);
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 24px 30px;
}

.footer-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-symbol {
    font-size: 32px;
}

.footer-logo .logo-text {
    font-size: 24px;
    font-weight: 800;
}

.footer-slogan {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    font-weight: 500;
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

.link-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.link-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-list a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.link-list a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright,
.icp {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .banner-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .banner-visual {
        height: 400px;
    }
    
    .video-tile.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav,
    .header-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .banner-headline {
        font-size: 36px;
    }
    
    .banner-description {
        font-size: 16px;
    }
    
    .banner-cta {
        flex-direction: column;
    }
    
    .banner-visual {
        height: 300px;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .section-heading {
        font-size: 32px;
    }
    
    .video-showcase {
        grid-template-columns: 1fr;
    }
    
    .creators-carousel {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-layout {
        grid-template-columns: 1fr;
    }
    
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* 页面头部样式 */
.page-header-section {
    background: var(--gradient-main);
    padding: 120px 24px 60px;
    margin-top: 72px;
    text-align: center;
    color: var(--white);
}

.page-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-main-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 30px;
}

.header-search-box {
    display: flex;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.header-search-input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: 32px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.95);
}

.header-search-btn {
    padding: 16px 32px;
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 32px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.header-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 视频列表页面 */
.video-listing-section {
    background: var(--light-gray);
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 20px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 600;
    color: var(--dark);
}

.filter-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-option {
    padding: 8px 16px;
    background: var(--light-gray);
    border: none;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.filter-option:hover {
    background: var(--primary);
    color: var(--white);
}

.filter-option.active {
    background: var(--gradient-main);
    color: var(--white);
}

.sort-group {
    display: flex;
    align-items: center;
}

.sort-selector {
    padding: 10px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 24px;
    background: var(--white);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.sort-selector:focus {
    outline: none;
    border-color: var(--primary);
}

.video-listing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 50px;
}

.video-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: var(--light-gray);
    overflow: hidden;
}

.card-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.video-card:hover .card-thumbnail img {
    transform: scale(1.08);
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.video-card:hover .play-overlay {
    opacity: 1;
}

.time-label {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.card-info {
    padding: 18px;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-creator {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.creator-img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.creator-name {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}

.card-stats {
    display: flex;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
    align-items: center;
}

.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 50px;
}

.page-nav-btn {
    padding: 12px 24px;
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 24px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.page-numbers {
    display: flex;
    gap: 8px;
}

.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--light-gray);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.page-num:hover,
.page-num.active {
    background: var(--gradient-main);
    color: var(--white);
    border-color: transparent;
}

/* 创作者页面 */
.creators-page-section {
    background: var(--light-gray);
}

.creators-filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 20px;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 20px;
    background: var(--light-gray);
    border: none;
    border-radius: 24px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.filter-tab:hover {
    background: var(--primary);
    color: var(--white);
}

.filter-tab.active {
    background: var(--gradient-main);
    color: var(--white);
}

.view-mode {
    display: flex;
    gap: 8px;
    background: var(--light-gray);
    padding: 4px;
    border-radius: 24px;
}

.view-mode-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.view-mode-btn.active {
    background: var(--white);
    color: var(--primary);
}

.creators-listing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.creator-profile-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.creator-profile-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.profile-avatar {
    position: relative;
    width: 100px;
    height: 100px;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
}

.verified-icon {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    border: 3px solid var(--white);
}

.follow-action-btn {
    padding: 10px 24px;
    background: var(--gradient-main);
    color: var(--white);
    border: none;
    border-radius: 24px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.follow-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.profile-body {
    text-align: center;
}

.profile-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.profile-bio {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.profile-metrics {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    padding: 20px 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
}

.metric-item {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
}

.metric-label {
    font-size: 12px;
    color: var(--gray);
}

.profile-tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.profile-tag {
    padding: 6px 14px;
    background: var(--gradient-soft);
    color: var(--primary);
    border-radius: 18px;
    font-size: 12px;
    font-weight: 600;
}

/* 发现页面 */
.discover-section {
    background: var(--light-gray);
}

.discover-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.discover-main {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.section-subheading {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}

.trending-topics-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trending-topic-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.trending-topic-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.topic-rank {
    width: 50px;
    height: 50px;
    background: var(--gradient-main);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    flex-shrink: 0;
}

.topic-info {
    flex: 1;
}

.topic-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.topic-desc {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 10px;
}

.topic-stats {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--gray);
}

.topic-thumb {
    width: 120px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.featured-content-section {
    margin-top: 20px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.featured-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 200px;
    cursor: pointer;
}

.featured-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.featured-item:hover img {
    transform: scale(1.1);
}

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    padding: 24px;
    color: var(--white);
}

.featured-overlay h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.featured-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

.discover-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark);
}

.recommend-creators {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.recommend-creator-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.recommend-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.recommend-info {
    flex: 1;
}

.recommend-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.recommend-followers {
    font-size: 12px;
    color: var(--gray);
}

.recommend-follow-btn {
    padding: 8px 16px;
    background: var(--gradient-main);
    color: var(--white);
    border: none;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.recommend-follow-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud-item {
    padding: 8px 16px;
    background: var(--light-gray);
    color: var(--dark);
    border-radius: 20px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.tag-cloud-item:hover {
    background: var(--gradient-main);
    color: var(--white);
}

/* 创作工作室页面 */
.studio-section {
    background: var(--light-gray);
}

.tools-showcase {
    margin-bottom: 80px;
}

.tool-card-large {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.tool-visual {
    position: relative;
}

.tool-preview {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tool-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.tool-main-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-main-desc {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.tool-features-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.tool-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--dark);
}

.feature-check {
    width: 24px;
    height: 24px;
    background: var(--gradient-main);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.tool-cta-btn {
    padding: 16px 40px;
    background: var(--gradient-main);
    color: var(--white);
    border: none;
    border-radius: 32px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.tool-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.tools-grid-section {
    margin-top: 60px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 28px;
}

.tool-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tool-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.tool-icon-box {
    width: 80px;
    height: 80px;
    background: var(--gradient-soft);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.tool-icon {
    font-size: 40px;
}

.tool-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.tool-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

@media (max-width: 480px) {
    .header-wrapper {
        padding: 0 16px;
    }
    
    .banner-section {
        padding: 100px 16px 60px;
    }
    
    .content-section {
        padding: 60px 16px;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .creators-carousel {
        grid-template-columns: 1fr;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .card-1,
    .card-2,
    .card-3 {
        width: 200px;
        height: 150px;
    }
    
    .page-main-title {
        font-size: 32px;
    }
    
    .filter-bar,
    .creators-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .video-listing-grid,
    .creators-listing-grid {
        grid-template-columns: 1fr;
    }
    
    .discover-layout {
        grid-template-columns: 1fr;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card-large {
        grid-template-columns: 1fr;
        padding: 30px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}