/* ============================================
   首页样式 - 精致版
   ============================================ */

/* 3D轮播图 */
.carousel-section {
    padding: 100px 0 60px;
    overflow: hidden;
    background: radial-gradient(ellipse at center bottom, rgba(255,51,102,0.08) 0%, transparent 60%);
}

.carousel-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.carousel-3d {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 520px;
    position: relative;
    perspective: 1500px;
}

.carousel-item {
    position: absolute;
    width: 360px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.5;
    transform-style: preserve-3d;
}

.carousel-item[data-index="0"] {
    transform: translateX(-600px) translateZ(-200px) scale(0.65) rotateY(35deg);
    z-index: 1;
    opacity: 0.35;
}

.carousel-item[data-index="1"] {
    transform: translateX(-350px) translateZ(-100px) scale(0.8) rotateY(25deg);
    z-index: 2;
    opacity: 0.65;
}

.carousel-item[data-index="2"] {
    transform: translateX(0) translateZ(0) scale(1) rotateY(0);
    z-index: 5;
    opacity: 1;
}

.carousel-item[data-index="3"] {
    transform: translateX(350px) translateZ(-100px) scale(0.8) rotateY(-25deg);
    z-index: 2;
    opacity: 0.65;
}

.carousel-item[data-index="4"] {
    transform: translateX(600px) translateZ(-200px) scale(0.65) rotateY(-35deg);
    z-index: 1;
    opacity: 0.35;
}

.carousel-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    background: var(--bg-card);
    box-shadow: 
        0 30px 60px rgba(0,0,0,0.5),
        0 0 0 1px rgba(255,255,255,0.05);
}

/* 霓虹边框效果 */
.carousel-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, rgba(255,51,102,0.5), rgba(139,92,246,0.5), rgba(0,212,170,0.5));
    border-radius: calc(var(--radius-lg) + 2px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    filter: blur(8px);
}

.carousel-item[data-index="2"] .carousel-card::after {
    opacity: 0.6;
}

.carousel-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,51,102,0.2) 0%, rgba(139,92,246,0.2) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.carousel-card:hover::before {
    opacity: 1;
}

.carousel-card img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.carousel-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 10px 40px rgba(255,51,102,0.5),
        0 0 0 4px rgba(255,255,255,0.1);
}

.carousel-item[data-index="2"]:hover .carousel-play {
    transform: translate(-50%, -50%) scale(1);
}

.carousel-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 50px 24px 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
    z-index: 2;
}

.carousel-info h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
    color: white;
}

.carousel-info p {
    font-size: 15px;
    color: var(--accent-pink);
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

/* 轮播指示器 - 更明显 */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-elevated);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    position: relative;
}

.dot::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.dot.active {
    background: var(--gradient-primary);
    width: 40px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(255,51,102,0.6);
}

.dot.active::before {
    border-color: rgba(255,51,102,0.3);
}

.dot:hover {
    background: var(--accent-pink);
    transform: scale(1.2);
}

/* 热门分类 - 带播放按钮 */
.category-section {
    padding: 50px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title i {
    color: var(--accent-pink);
    font-size: 22px;
}

.view-all {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    background: var(--bg-elevated);
}

.view-all:hover {
    color: var(--accent-pink);
    background: var(--bg-card);
    gap: 12px;
}

.category-scroll {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    aspect-ratio: 16/10;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.category-content {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    transition: var(--transition-normal);
}

.category-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.category-content p {
    font-size: 14px;
    color: #fff;
    margin-bottom: -10px;
}

.category-play {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(255,51,102,0.4);
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(255,51,102,0.2);
}

.category-card:hover img {
    transform: scale(1.15);
}

.category-card:hover .category-content {
    background: linear-gradient(to top, rgba(255,51,102,0.9) 0%, rgba(139,92,246,0.6) 100%);
}

.category-card:hover .category-play {
    opacity: 1;
    transform: translateY(0);
}

/* 热门MV */
.hot-mv-section {
    padding: 50px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.mv-card {
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
}

.mv-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.mv-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.mv-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.play-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(255,51,102,0.4);
}

.mv-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 6px 12px;
    background: rgba(0,0,0,0.85);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
}

.mv-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 6px 12px;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.mv-info {
    padding: 16px;
}

.mv-info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mv-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

.mv-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.mv-stats span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mv-stats i {
    /*color: var(--accent-pink);*/
}

.mv-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border-color: rgba(255,51,102,0.2);
}

.mv-card:hover .mv-thumbnail img {
    transform: scale(1.1);
}

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

.mv-card:hover .play-icon {
    transform: scale(1);
}

/* 热门歌手 - 放大头像 */
.hot-artist-section {
    padding: 50px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.artist-scroll {
    display: flex;
    gap: 32px;
    overflow-x: auto;
    padding: 20px 10px;
    scrollbar-width: none;
}

.artist-scroll::-webkit-scrollbar {
    display: none;
}

.artist-card {
    flex: 0 0 auto;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.artist-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 16px;
    border: 4px solid transparent;
    transition: var(--transition-normal);
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.artist-avatar::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.artist-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.artist-card h4 {
    font-size: 16px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.artist-card:hover {
    transform: translateY(-8px);
}

.artist-card:hover .artist-avatar::before {
    opacity: 1;
}

.artist-card:hover .artist-avatar img {
    transform: scale(1.1);
}

.artist-card:hover h4 {
    color: var(--accent-pink);
}

/* MV榜单 - 大卡片MV形式 */
.chart-section {
    padding: 50px 24px 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.chart-mv-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    aspect-ratio: 16/9;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.05);
}

.chart-mv-rank {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    color: white;
    background: rgba(0,0,0,0.7);
    border-radius: 12px;
    z-index: 10;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.1);
}

.chart-mv-rank.rank-1 {
    background: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
    color: #000;
    border-color: rgba(255,215,0,0.5);
    box-shadow: 0 5px 20px rgba(255,215,0,0.4);
}

.chart-mv-rank.rank-2 {
    background: linear-gradient(135deg, #c0c0c0 0%, #e0e0e0 100%);
    color: #000;
    border-color: rgba(192,192,192,0.5);
    box-shadow: 0 5px 20px rgba(192,192,192,0.4);
}

.chart-mv-rank.rank-3 {
    background: linear-gradient(135deg, #cd7f32 0%, #b87333 100%);
    border-color: rgba(205,127,50,0.5);
    box-shadow: 0 5px 20px rgba(205,127,50,0.4);
}

.chart-mv-cover {
    width: 100%;
    height: 100%;
    position: relative;
}

.chart-mv-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.chart-mv-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 20px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.6) 50%, transparent 100%);
    z-index: 2;
}

.chart-mv-info h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.chart-mv-info p {
    font-size: 15px;
    color: var(--accent-pink);
    font-weight: 600;
    margin-bottom: 10px;
}

.chart-mv-stats {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

.chart-mv-stats span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chart-mv-stats i {
    /*color: var(--accent-pink);*/
}

.chart-mv-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 3;
}

.chart-mv-play {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(255,51,102,0.5);
}

.chart-mv-plays {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 16px;
    background: rgba(0,0,0,0.7);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.chart-mv-plays i {
    color: var(--accent-pink);
}

.chart-mv-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    padding: 6px 14px;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 5;
}

.chart-mv-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(255,51,102,0.25);
    border-color: rgba(255,51,102,0.2);
}

.chart-mv-card:hover .chart-mv-cover img {
    transform: scale(1.1);
}

.chart-mv-card:hover .chart-mv-overlay {
    opacity: 1;
}

.chart-mv-card:hover .chart-mv-play {
    transform: scale(1);
}

/* 响应式 */
@media (max-width: 1200px) {
    .category-scroll {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mv-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .chart-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .carousel-3d {
        height: 420px;
    }
    
    .carousel-item {
        width: 280px;
    }
    
    .carousel-item[data-index="0"] {
        transform: translateX(-420px) translateZ(-150px) scale(0.7) rotateY(30deg);
    }
    
    .carousel-item[data-index="1"] {
        transform: translateX(-260px) translateZ(-80px) scale(0.85) rotateY(20deg);
    }
    
    .carousel-item[data-index="3"] {
        transform: translateX(260px) translateZ(-80px) scale(0.85) rotateY(-20deg);
    }
    
    .carousel-item[data-index="4"] {
        transform: translateX(420px) translateZ(-150px) scale(0.7) rotateY(-30deg);
    }
    
    .carousel-card img {
        height: 360px;
    }
    
    .mv-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .artist-avatar {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 600px) {
    .carousel-3d {
        height: 340px;
    }
    
    .carousel-item {
        width: 220px;
    }
    
    .carousel-item[data-index="0"],
    .carousel-item[data-index="4"] {
        display: none;
    }
    
    .carousel-item[data-index="1"] {
        transform: translateX(-130px) translateZ(-60px) scale(0.85) rotateY(20deg);
    }
    
    .carousel-item[data-index="3"] {
        transform: translateX(130px) translateZ(-60px) scale(0.85) rotateY(-20deg);
    }
    
    .carousel-card img {
        height: 300px;
    }
    
    .category-scroll {
        grid-template-columns: 1fr;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-grid {
        grid-template-columns: 1fr;
    }
    
    .artist-avatar {
        width: 100px;
        height: 100px;
    }
}