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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.top-nav {
    background: rgba(44, 62, 80, 0.95);
    backdrop-filter: blur(15px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 25px;
}

.brand {
    display: flex;
    align-items: center;
    color: #ecf0f1;
}

.brand img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin-right: 12px;
    object-fit: cover;
    border: 2px solid #3498db;
}

.brand h1 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(45deg, #3498db, #9b59b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 35px;
}

.nav-link {
    color: #bdc3c7;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 18px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #ecf0f1;
    background: linear-gradient(45deg, #3498db, #9b59b6);
    transform: translateY(-2px);
}

.search-area {
    display: flex;
    align-items: center;
    background: rgba(236, 240, 241, 0.1);
    border-radius: 30px;
    padding: 8px;
    border: 1px solid rgba(52, 152, 219, 0.3);
}

.search-field {
    background: none;
    border: none;
    color: #ecf0f1;
    padding: 12px 20px;
    outline: none;
    width: 280px;
    font-size: 15px;
}

.search-field::placeholder {
    color: rgba(236, 240, 241, 0.6);
}

.search-button {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.search-button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: #ecf0f1;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hero-banner {
    position: relative;
    height: 600px;
    margin-top: 80px;
    overflow: hidden;
    border-radius: 0 0 30px 30px;
}

.banner-slider {
    position: relative;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.banner-slide.active {
    opacity: 1;
}

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

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(44, 62, 80, 0.8), rgba(52, 73, 94, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-content {
    text-align: center;
    color: white;
    max-width: 700px;
    padding: 0 30px;
}

.banner-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    background: linear-gradient(45deg, #3498db, #9b59b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-desc {
    font-size: 1.3rem;
    margin-bottom: 25px;
    opacity: 0.9;
    line-height: 1.8;
}

.banner-tags {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(52, 152, 219, 0.8);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.episode-tag {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.play-button {
    display: inline-block;
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    color: white;
    text-decoration: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.3);
}

.play-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(39, 174, 96, 0.4);
}

.banner-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    transform: translateY(-50%);
}

.banner-prev,
.banner-next {
    background: rgba(44, 62, 80, 0.7);
    border: none;
    color: white;
    font-size: 28px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.banner-prev:hover,
.banner-next:hover {
    background: rgba(52, 152, 219, 0.8);
    transform: scale(1.1);
}

.main-content {
    padding: 50px 0;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 25px;
}

.featured-section {
    margin-bottom: 60px;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    color: white;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.video-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.video-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.1);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.play-icon {
    color: white;
    font-size: 48px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.video-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    margin-bottom: 12px;
}

.video-info h3 a {
    text-decoration: none;
    color: #2c3e50;
    font-size: 18px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.video-info h3 a:hover {
    color: #3498db;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.rating {
    background: linear-gradient(45deg, #f39c12, #e67e22);
    color: white;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.views {
    color: #7f8c8d;
    font-size: 13px;
}

.video-desc {
    color: #95a5a6;
    font-size: 14px;
    line-height: 1.5;
}

.category-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 40px;
    margin-bottom: 60px;
    backdrop-filter: blur(15px);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-button {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(52, 152, 219, 0.3);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.tab-button:hover,
.tab-button.active {
    background: linear-gradient(45deg, #3498db, #2980b9);
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
}

.tab-content {
    position: relative;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.list-grid {
    display: grid;
    gap: 25px;
}

.list-item {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.list-item:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.list-item img {
    width: 120px;
    height: 90px;
    object-fit: cover;
    flex-shrink: 0;
}

.list-info {
    padding: 15px 20px;
    flex: 1;
}

.list-info h4 {
    margin-bottom: 8px;
}

.list-info h4 a {
    text-decoration: none;
    color: #2c3e50;
    font-size: 16px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.list-info h4 a:hover {
    color: #3498db;
}

.item-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.quality {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    color: white;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
}

.status {
    background: linear-gradient(45deg, #9b59b6, #8e44ad);
    color: white;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
}

.item-desc {
    color: #7f8c8d;
    font-size: 13px;
    line-height: 1.4;
}

.ranking-section {
    margin-bottom: 60px;
}

.ranking-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.rank-column {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.rank-title {
    text-align: center;
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #3498db;
}

.rank-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.rank-item:hover {
    background: #f8f9fa;
    transform: translateX(5px);
}

.rank-number {
    width: 35px;
    height: 35px;
    background: linear-gradient(45deg, #95a5a6, #7f8c8d);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}

.rank-number.top {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.rank-item img {
    width: 60px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.rank-details {
    flex: 1;
}

.rank-details h4 a {
    text-decoration: none;
    color: #2c3e50;
    font-size: 16px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.rank-details h4 a:hover {
    color: #3498db;
}

.rank-details p {
    color: #7f8c8d;
    font-size: 13px;
    margin-top: 5px;
}

.hot-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.keyword {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(52, 152, 219, 0.2);
    transition: all 0.3s ease;
}

.keyword:hover {
    background: #3498db;
    color: white;
    transform: translateY(-2px);
}

.keyword.hot {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    border-color: #e74c3c;
}

.site-footer {
    background: rgba(44, 62, 80, 0.95);
    color: #ecf0f1;
    margin-top: 60px;
    backdrop-filter: blur(15px);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 25px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    padding: 50px 0;
}

.footer-brand {
    max-width: 600px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
    border: 2px solid #3498db;
}

.footer-logo span {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(45deg, #3498db, #9b59b6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    color: rgba(236, 240, 241, 0.8);
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 16px;
}

.footer-notice {
    color: rgba(236, 240, 241, 0.6);
    font-size: 14px;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 40px;
}

.link-group h4 {
    color: #3498db;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.link-group ul {
    list-style: none;
}

.link-group ul li {
    margin-bottom: 12px;
}

.link-group ul li a {
    color: rgba(236, 240, 241, 0.7);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.link-group ul li a:hover {
    color: #3498db;
}

.footer-bottom {
    border-top: 1px solid rgba(52, 152, 219, 0.3);
    padding: 25px 0;
    text-align: center;
    color: rgba(236, 240, 241, 0.6);
    font-size: 14px;
}

@media (max-width: 1024px) {
    .nav-container {
        padding: 12px 20px;
    }
    
    .nav-menu {
        gap: 25px;
    }
    
    .search-field {
        width: 220px;
    }
    
    .banner-content h2 {
        font-size: 2.8rem;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .ranking-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(44, 62, 80, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .search-area {
        order: -1;
        margin-bottom: 15px;
    }
    
    .search-field {
        width: 200px;
    }
    
    .hero-banner {
        height: 400px;
    }
    
    .banner-content h2 {
        font-size: 2.2rem;
    }
    
    .banner-desc {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .category-tabs {
        gap: 15px;
    }
    
    .tab-button {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .list-item {
        flex-direction: column;
    }
    
    .list-item img {
        width: 100%;
        height: 150px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 25px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 10px 15px;
        flex-wrap: wrap;
    }
    
    .brand h1 {
        font-size: 22px;
    }
    
    .search-field {
        width: 180px;
        padding: 10px 15px;
    }
    
    .search-button {
        padding: 10px 20px;
    }
    
    .hero-banner {
        height: 300px;
        margin-top: 120px;
    }
    
    .banner-content {
        padding: 0 20px;
    }
    
    .banner-content h2 {
        font-size: 1.8rem;
    }
    
    .banner-desc {
        font-size: 1rem;
    }
    
    .section-container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .category-section {
        padding: 25px 20px;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .rank-column {
        padding: 20px;
    }
    
    .rank-title {
        font-size: 20px;
    }
    
    .hot-keywords {
        gap: 8px;
    }
    
    .keyword {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .footer-content {
        padding: 30px 0;
    }
    
    .footer-logo span {
        font-size: 22px;
    }
}