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

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    opacity: 0.1;
    z-index: -1;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ff006e;
    text-decoration: none;
    text-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
}

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

.nav a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav a:hover {
    color: #ff006e;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff006e, #8338ec);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

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

.search input {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    color: #ffffff;
    outline: none;
}

.search input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search button {
    padding: 0.5rem 1.5rem;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    border: none;
    border-radius: 25px;
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.search button:hover {
    transform: scale(1.05);
}

.main {
    padding: 2rem 0;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
}

.hero-content h1 {
    font-size: 3rem;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, #ff006e, #8338ec);
    color: #ffffff;
}

.btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ff006e;
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 0, 110, 0.3);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.categories, .featured, .latest {
    margin-bottom: 4rem;
}

.categories h2, .featured h2, .latest h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.category-item:hover {
    transform: scale(1.05);
}

.category-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem 1rem 1rem;
    color: #ffffff;
}

.category-overlay h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.video-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.video-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.video-thumb {
    position: relative;
}

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

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 0, 110, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-item:hover .play-icon {
    opacity: 1;
}

.duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    font-size: 0.8rem;
}

.video-info {
    padding: 1rem;
}

.video-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.video-info p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.latest-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.latest-item {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.latest-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.latest-item img {
    width: 120px;
    height: 80px;
    object-fit: cover;
}

.latest-info {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.latest-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.latest-info p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
}

.tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #ff006e, #8338ec);
    color: #ffffff;
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
}

.footer {
    background: rgba(0, 0, 0, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff006e;
}

.copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .video-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .footer-links {
                flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .latest-item {
        flex-direction: column;
    }
    
    .latest-item img {
        width: 100%;
        height: 120px;
    }
    
    .tag {
        position: static;
        align-self: flex-start;
        margin-top: 0.5rem;
    }
}