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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
}

header {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(46,204,113,0.3);
}

.logo h1 {
    font-size: 1.8rem;
    color: white;
    font-weight: 700;
}

.logo p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s;
}

nav a:hover, nav a.active {
    background: rgba(255,255,255,0.2);
}

.search-box {
    display: flex;
    gap: 0.5rem;
}

.search-box input {
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 20px;
    width: 200px;
    outline: none;
}

.search-box button {
    padding: 0.6rem 1.2rem;
    background: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    color: #27ae60;
    font-weight: 600;
    transition: all 0.3s;
}

.search-box button:hover {
    background: #ecf0f1;
}

.carousel {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.carousel-item {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
}

.carousel-item.active {
    display: block;
}

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

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 2rem;
    color: white;
}

.carousel-caption h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background: linear-gradient(90deg, #2ecc71, #27ae60);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46,204,113,0.4);
}

.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding: 2rem 5%;
    background: white;
    border-bottom: 1px solid #eee;
}

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

.stat-item .number {
    font-size: 2rem;
    font-weight: 700;
    color: #27ae60;
}

.stat-item p {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.25rem;
}

.quick-links {
    padding: 3rem 5%;
}

.quick-links h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.links-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.link-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #333;
    text-decoration: none;
    transition: transform 0.3s;
}

.link-item:hover {
    transform: translateY(-5px);
}

.link-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #27ae60;
}

.link-item span {
    font-weight: 500;
}

.recent-videos {
    padding: 3rem 5%;
    background: white;
}

.recent-videos h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.video-item {
    background: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s;
}

.video-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.video-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.video-item h4 {
    padding: 1rem;
    font-size: 1.1rem;
    color: #333;
}

.video-item p {
    padding: 0 1rem;
    color: #666;
    font-size: 0.9rem;
}

.video-item .views {
    display: block;
    padding: 1rem;
    color: #999;
    font-size: 0.85rem;
}

.page-title {
    padding: 2rem 5%;
    text-align: center;
    background: white;
}

.page-title h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.page-title p {
    color: #666;
}

.sub-categories {
    padding: 1rem 5%;
    background: #f8f9fa;
}

.sub-categories h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.sub-category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sub-category-tags a {
    padding: 0.5rem 1.2rem;
    background: white;
    border-radius: 20px;
    text-decoration: none;
    color: #333;
    font-size: 0.9rem;
    transition: all 0.3s;
    border: 1px solid #ddd;
}

.sub-category-tags a:hover {
    background: #27ae60;
    color: white;
    border-color: #27ae60;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 3rem 5%;
}

.category-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.category-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.category-card h3 {
    padding: 1rem;
    color: #2c3e50;
}

.category-card p {
    padding: 0 1rem;
    color: #666;
    font-size: 0.9rem;
}

.category-card .description {
    color: #999;
    margin-bottom: 1rem;
}

.category-card .btn {
    margin: 1rem;
    font-size: 0.9rem;
    padding: 8px 20px;
}

.hot-tabs {
    display: flex;
    gap: 1rem;
    padding: 1rem 5%;
    background: white;
    border-bottom: 1px solid #eee;
}

.hot-tabs button {
    padding: 0.7rem 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    border-radius: 20px;
    transition: all 0.3s;
}

.hot-tabs button.active, .hot-tabs button:hover {
    background: #27ae60;
    color: white;
}

.hot-list {
    padding: 2rem 5%;
}

.hot-item {
    display: flex;
    gap: 1.5rem;
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.hot-item .rank {
    width: 40px;
    height: 40px;
    background: #eee;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: #666;
    flex-shrink: 0;
}

.hot-item .rank.top {
    background: linear-gradient(90deg, #f39c12, #e74c3c);
    color: white;
}

.hot-item img {
    width: 150px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
}

.hot-info {
    flex: 1;
}

.hot-info h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.hot-info p {
    color: #666;
    margin-bottom: 0.5rem;
}

.hot-info .description {
    color: #999;
    font-size: 0.9rem;
}

.hot-meta {
    display: flex;
    gap: 1.5rem;
    color: #999;
    font-size: 0.85rem;
}

.vip-benefits {
    padding: 2rem 5%;
    background: #f8f9fa;
}

.vip-benefits h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    background: white;
    padding: 2rem;
    border-radius: 10px;
}

.benefit-item img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
}

.benefit-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: #999;
    font-size: 0.9rem;
}

.vip-plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 3rem 5%;
}

.vip-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: relative;
}

.vip-card.featured {
    border: 2px solid #27ae60;
    transform: scale(1.02);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, #2ecc71, #27ae60);
    color: white;
    padding: 3px 15px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

.vip-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.vip-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #27ae60;
}

.vip-card .original-price {
    color: #999;
    text-decoration: line-through;
    font-size: 0.9rem;
}

.vip-card .discount {
    color: #e74c3c;
    font-weight: 600;
    margin: 0.5rem 0;
}

.vip-card ul {
    list-style: none;
    padding: 1rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.vip-card li {
    padding: 0.5rem 0;
    color: #666;
}

.vip-card .btn {
    margin-top: 1rem;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 5%;
    background: white;
}

.about-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.about-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.about-content ul {
    list-style: none;
    padding-left: 0;
}

.about-content li {
    padding: 0.5rem 0;
    color: #666;
    padding-left: 1.5rem;
    position: relative;
}

.about-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 6px;
    height: 6px;
    background: #27ae60;
    border-radius: 50%;
}

.help-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 5%;
}

.faq-item {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: #666;
    line-height: 1.5;
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .links-grid {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .stats {
        flex-wrap: wrap;
        gap: 2rem;
    }
    
    .videos-grid, .categories-grid, .vip-plans, .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .hot-item {
        flex-direction: column;
    }
    
    .hot-item img {
        width: 100%;
        height: auto;
    }
}