/* ============================================================
   STAR TOP 音乐榜 — 美化版 (星空宇宙主题)
   设计关键词：深邃、流动、金色点缀、玻璃拟态、微光粒子
   ============================================================ */

/* ── 全局变量 ── */
:root {
    --sw-bg-deep: #06080f;
    --sw-bg-surface: #0c1020;
    --sw-bg-card: rgba(18, 24, 48, 0.7);
    --sw-bg-card-hover: rgba(24, 32, 60, 0.85);
    --sw-border-subtle: rgba(242, 196, 104, 0.08);
    --sw-border-glow: rgba(242, 196, 104, 0.25);
    --sw-gold: #f2c468;
    --sw-gold-light: #f7d88a;
    --sw-gold-dark: #c9952e;
    --sw-gold-gradient: linear-gradient(135deg, #f2c468 0%, #e8a030 100%);
    --sw-text-primary: #f0ece4;
    --sw-text-secondary: rgba(240, 236, 228, 0.65);
    --sw-text-muted: rgba(240, 236, 228, 0.4);
    --sw-nebula-purple: rgba(120, 80, 200, 0.12);
    --sw-nebula-blue: rgba(60, 120, 220, 0.10);
    --sw-radius-sm: 8px;
    --sw-radius-md: 14px;
    --sw-radius-lg: 20px;
    --sw-radius-xl: 28px;
    --sw-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --sw-shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(242, 196, 104, 0.08);
    --sw-shadow-gold: 0 4px 20px rgba(242, 196, 104, 0.2);
    --sw-transition-fast: 0.15s ease;
    --sw-transition-normal: 0.25s ease;
    --sw-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── 背景与全局 ── */
.topchart-body {
    background: var(--sw-bg-deep) !important;
    color: var(--sw-text-primary) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 星空粒子背景 */
.topchart-body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 30% 65%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1.5px 1.5px at 50% 10%, rgba(242,196,104,0.3), transparent),
        radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.35), transparent),
        radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.25), transparent),
        radial-gradient(1.2px 1.2px at 15% 85%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 45% 50%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1.5px 1.5px at 80% 15%, rgba(242,196,104,0.2), transparent),
        radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.3), transparent),
        radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.25), transparent),
        radial-gradient(1.3px 1.3px at 85% 55%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 5% 55%, rgba(255,255,255,0.35), transparent),
        radial-gradient(1px 1px at 55% 75%, rgba(255,255,255,0.2), transparent),
        radial-gradient(1.2px 1.2px at 35% 5%, rgba(242,196,104,0.25), transparent),
        radial-gradient(1px 1px at 75% 70%, rgba(255,255,255,0.3), transparent);
    pointer-events: none;
    z-index: 0;
    animation: twinkle 8s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

/* ── 导航栏 ── */
.site-shell {
    background: rgba(6, 8, 15, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--sw-border-subtle) !important;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-default {
    background: transparent !important;
    border: none !important;
    margin: 0 !important;
    min-height: 72px !important;
}

.navbar-brand {
    padding: 0 !important;
}

.navbar-brand img {
    filter: brightness(1.1);
    transition: transform var(--sw-transition-normal);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.brand-text-wrap strong {
    color: var(--sw-gold) !important;
    font-weight: 800 !important;
    letter-spacing: 2px !important;
    text-shadow: 0 0 20px rgba(242, 196, 104, 0.3);
}

.brand-text-wrap em {
    color: rgba(242, 196, 104, 0.5) !important;
    letter-spacing: 3px !important;
}

/* 导航链接 */
.navbar-nav > li > a {
    color: var(--sw-text-secondary) !important;
    font-weight: 600 !important;
    font-size: 15px !important;
    letter-spacing: 0.5px !important;
    padding: 8px 18px !important;
    border-radius: var(--sw-radius-md) !important;
    transition: all var(--sw-transition-normal) !important;
    position: relative;
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
    color: var(--sw-gold) !important;
    background: rgba(242, 196, 104, 0.08) !important;
}

.navbar-nav > li.active > a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--sw-gold);
    border-radius: 1px;
}

/* 登录/注册按钮 */
.site-login-pill {
    background: rgba(242, 196, 104, 0.1) !important;
    border: 1px solid rgba(242, 196, 104, 0.25) !important;
    color: var(--sw-gold) !important;
    border-radius: var(--sw-radius-lg) !important;
    padding: 10px 24px !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    transition: all var(--sw-transition-normal) !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.site-login-pill:hover {
    background: rgba(242, 196, 104, 0.18) !important;
    border-color: rgba(242, 196, 104, 0.4) !important;
    color: var(--sw-gold-light) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(242, 196, 104, 0.15);
}

.site-register-pill {
    background: var(--sw-gold-gradient) !important;
    border: none !important;
    color: #0a0e17 !important;
    font-weight: 800 !important;
    box-shadow: var(--sw-shadow-gold);
}

.site-register-pill:hover {
    background: linear-gradient(135deg, #f7d88a 0%, #f0b840 100%) !important;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 6px 24px rgba(242, 196, 104, 0.3);
}

.site-user-chip {
    background: rgba(242, 196, 104, 0.08) !important;
    border: 1px solid rgba(242, 196, 104, 0.2) !important;
    border-radius: var(--sw-radius-lg) !important;
    padding: 6px 16px 6px 8px !important;
    color: var(--sw-gold) !important;
    display: inline-flex !important;
    align-items: center;
    gap: 10px;
    transition: all var(--sw-transition-normal);
}

.site-user-chip:hover {
    background: rgba(242, 196, 104, 0.14) !important;
    border-color: rgba(242, 196, 104, 0.35) !important;
}

.site-user-chip img {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: 2px solid rgba(242, 196, 104, 0.3);
}

/* ── Hero 区域 ── */
.inner-hero {
    position: relative;
    padding: 48px 0 36px;
    overflow: hidden;
}

.hero-overlay {
    background:
        radial-gradient(ellipse at 30% 0%, rgba(242, 196, 104, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(100, 60, 200, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, rgba(6, 8, 15, 0.3) 0%, transparent 40%, rgba(6, 8, 15, 0.9) 100%) !important;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 20px 0;
}

.hero-content h2 {
    font-size: 36px;
    font-weight: 800;
    background: var(--sw-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-shadow: none;
    filter: drop-shadow(0 2px 8px rgba(242, 196, 104, 0.2));
}

.hero-content p {
    font-size: 16px;
    color: var(--sw-text-secondary) !important;
    margin: 0;
    letter-spacing: 0.5px;
}

/* ── 榜单 Tab 标签 ── */
.topchart-tabs-zone {
    background: transparent !important;
    padding: 0 0 24px;
    position: relative;
    z-index: 1;
}

.topchart-tabs {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 12px !important;
    max-width: 900px;
    margin: 0 auto;
}

.topchart-tab {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
    padding: 18px 22px !important;
    border-radius: var(--sw-radius-lg) !important;
    background: var(--sw-bg-card) !important;
    border: 1px solid var(--sw-border-subtle) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--sw-text-primary) !important;
    text-decoration: none !important;
    transition: all var(--sw-transition-normal) !important;
    position: relative;
    overflow: hidden;
}

.topchart-tab::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(242, 196, 104, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--sw-transition-normal);
}

.topchart-tab:hover {
    border-color: var(--sw-border-glow) !important;
    background: var(--sw-bg-card-hover) !important;
    transform: translateY(-2px);
    box-shadow: var(--sw-shadow-card-hover);
}

.topchart-tab:hover::before {
    opacity: 1;
}

.topchart-tab.active {
    background: linear-gradient(135deg, rgba(242, 196, 104, 0.12) 0%, rgba(200, 150, 40, 0.06) 100%) !important;
    border-color: rgba(242, 196, 104, 0.35) !important;
    box-shadow: 0 4px 24px rgba(242, 196, 104, 0.1), inset 0 1px 0 rgba(242, 196, 104, 0.1);
}

.topchart-tab.active::before {
    opacity: 1;
    background: linear-gradient(135deg, rgba(242, 196, 104, 0.08) 0%, transparent 60%);
}

.topchart-tab__badge {
    display: inline-flex !important;
    padding: 4px 10px !important;
    border-radius: var(--sw-radius-sm) !important;
    background: rgba(242, 196, 104, 0.12) !important;
    color: var(--sw-gold) !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    letter-spacing: 1.5px !important;
    position: relative;
    z-index: 1;
}

.topchart-tab.active .topchart-tab__badge {
    background: var(--sw-gold-gradient) !important;
    color: #0a0e17 !important;
}

.topchart-tab strong {
    font-size: 15px !important;
    font-weight: 700 !important;
    color: var(--sw-text-primary) !important;
    position: relative;
    z-index: 1;
}

.topchart-tab em {
    font-style: normal !important;
    font-size: 12px !important;
    color: var(--sw-text-secondary) !important;
    position: relative;
    z-index: 1;
}

/* ── 榜单头部 ── */
.chart-board-zone {
    position: relative;
    z-index: 1;
    padding-top: 8px;
    padding-bottom: 40px;
}

.chart-board-head {
    border-bottom: 1px solid var(--sw-border-subtle) !important;
    padding-bottom: 20px !important;
    margin-bottom: 24px;
}

.chart-board-head h3 {
    color: var(--sw-gold) !important;
    font-size: 22px !important;
    font-weight: 800 !important;
    letter-spacing: 1px;
    margin: 0;
}

/* 全部播放按钮 */
.chart-play-all-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 10px !important;
    border: none !important;
    border-radius: var(--sw-radius-xl) !important;
    background: var(--sw-gold-gradient) !important;
    color: #0a0e17 !important;
    font-weight: 800 !important;
    font-size: 15px !important;
    padding: 14px 32px !important;
    cursor: pointer;
    transition: all var(--sw-transition-normal) !important;
    box-shadow: var(--sw-shadow-gold);
    letter-spacing: 0.5px;
}

.chart-play-all-btn:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 32px rgba(242, 196, 104, 0.35);
}

.chart-play-all-btn:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

.chart-play-all-btn.is-disabled {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
    box-shadow: none !important;
}

.chart-play-all-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 23, 0.15);
    font-size: 14px;
}

.chart-play-all-btn em {
    font-style: normal !important;
}

/* ── 歌曲卡片 ── */
.chart-rank-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chart-rank-card {
    display: grid !important;
    grid-template-columns: 80px 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 18px 24px !important;
    border-radius: var(--sw-radius-lg) !important;
    background: var(--sw-bg-card) !important;
    border: 1px solid var(--sw-border-subtle) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--sw-shadow-card) !important;
    transition: all var(--sw-transition-normal) !important;
    position: relative;
    overflow: hidden;
}

.chart-rank-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--sw-gold-gradient);
    opacity: 0;
    transition: opacity var(--sw-transition-normal);
}

.chart-rank-card:hover {
    border-color: var(--sw-border-glow) !important;
    background: var(--sw-bg-card-hover) !important;
    transform: translateX(4px);
    box-shadow: var(--sw-shadow-card-hover) !important;
}

.chart-rank-card:hover::before {
    opacity: 1;
}

/* 前三名特殊样式 */
.chart-rank-card:nth-child(1) {
    background: linear-gradient(135deg, rgba(242, 196, 104, 0.08) 0%, var(--sw-bg-card) 100%) !important;
    border-color: rgba(242, 196, 104, 0.15) !important;
}

.chart-rank-card:nth-child(1)::before {
    opacity: 1;
    width: 4px;
}

.chart-rank-card:nth-child(2) {
    background: linear-gradient(135deg, rgba(192, 192, 200, 0.06) 0%, var(--sw-bg-card) 100%) !important;
    border-color: rgba(192, 192, 200, 0.12) !important;
}

.chart-rank-card:nth-child(2)::before {
    opacity: 0.6;
    background: linear-gradient(180deg, #c0c0c8, #8a8a96);
}

.chart-rank-card:nth-child(3) {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.06) 0%, var(--sw-bg-card) 100%) !important;
    border-color: rgba(205, 127, 50, 0.12) !important;
}

.chart-rank-card:nth-child(3)::before {
    opacity: 0.4;
    background: linear-gradient(180deg, #cd7f32, #a0622a);
}

/* 排名数字 */
.chart-rank-number-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.chart-rank-number {
    font-size: 32px !important;
    font-weight: 900 !important;
    line-height: 1 !important;
    color: var(--sw-text-muted) !important;
    font-variant-numeric: tabular-nums;
    letter-spacing: -1px;
    min-width: 40px;
    text-align: center;
}

.chart-rank-card:nth-child(1) .chart-rank-number {
    color: var(--sw-gold) !important;
    text-shadow: 0 0 20px rgba(242, 196, 104, 0.4);
    font-size: 36px !important;
}

.chart-rank-card:nth-child(2) .chart-rank-number {
    color: #c0c0c8 !important;
}

.chart-rank-card:nth-child(3) .chart-rank-number {
    color: #cd7f32 !important;
}

.chart-rank-tag {
    display: inline-flex !important;
    padding: 3px 10px !important;
    border-radius: var(--sw-radius-sm) !important;
    background: var(--sw-gold-gradient) !important;
    color: #0a0e17 !important;
    font-size: 10px !important;
    font-weight: 800 !important;
    letter-spacing: 1px !important;
    box-shadow: 0 2px 8px rgba(242, 196, 104, 0.25);
}

/* 歌曲信息区 */
.chart-rank-main {
    min-width: 0;
}

.chart-rank-body {
    display: flex;
    align-items: center;
    gap: 16px;
}

.chart-rank-avatar {
    width: 52px !important;
    height: 52px !important;
    border-radius: var(--sw-radius-md) !important;
    object-fit: cover !important;
    border: 2px solid rgba(242, 196, 104, 0.15) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all var(--sw-transition-normal);
    flex-shrink: 0;
}

.chart-rank-card:hover .chart-rank-avatar {
    border-color: rgba(242, 196, 104, 0.3);
    box-shadow: 0 4px 16px rgba(242, 196, 104, 0.15);
    transform: scale(1.05);
}

.chart-rank-content {
    min-width: 0;
}

.chart-rank-content h4 {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: var(--sw-text-primary) !important;
    margin: 0 0 4px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chart-rank-artist {
    font-size: 13px !important;
    color: var(--sw-text-secondary) !important;
    margin: 0 0 6px !important;
    font-weight: 500;
}

.chart-rank-meta {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px !important;
    color: var(--sw-text-muted) !important;
}

.chart-rank-meta i {
    color: var(--sw-gold-dark) !important;
    font-size: 14px !important;
}

/* 操作按钮 */
.chart-rank-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.chart-rank-actions a {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 10px 24px !important;
    border-radius: var(--sw-radius-xl) !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    transition: all var(--sw-transition-normal) !important;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.chart-rank-actions a:first-child {
    background: var(--sw-gold-gradient) !important;
    color: #0a0e17 !important;
    box-shadow: 0 2px 12px rgba(242, 196, 104, 0.2);
}

.chart-rank-actions a:first-child:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(242, 196, 104, 0.35);
}

.chart-rank-actions a:last-child {
    background: rgba(242, 196, 104, 0.08) !important;
    border: 1px solid rgba(242, 196, 104, 0.2) !important;
    color: var(--sw-gold) !important;
}

.chart-rank-actions a:last-child:hover {
    background: rgba(242, 196, 104, 0.15) !important;
    border-color: rgba(242, 196, 104, 0.35) !important;
}

/* ── 分页 ── */
.chart-pagination {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 16px !important;
    margin-top: 32px !important;
    padding-top: 24px;
    border-top: 1px solid var(--sw-border-subtle);
}

.chart-page-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 12px 28px !important;
    border-radius: var(--sw-radius-xl) !important;
    background: var(--sw-bg-card) !important;
    border: 1px solid var(--sw-border-subtle) !important;
    color: var(--sw-text-secondary) !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    text-decoration: none !important;
    transition: all var(--sw-transition-normal) !important;
    cursor: pointer;
}

.chart-page-btn:hover:not(.disabled) {
    border-color: var(--sw-border-glow) !important;
    color: var(--sw-gold) !important;
    background: rgba(242, 196, 104, 0.08) !important;
    transform: translateY(-1px);
}

.chart-page-btn.disabled {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
}

.chart-page-indicator {
    color: var(--sw-text-muted) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--sw-radius-md);
    border: 1px solid var(--sw-border-subtle);
}

/* ── 页脚 ── */
.footer {
    background: rgba(6, 8, 15, 0.95) !important;
    border-top: 1px solid var(--sw-border-subtle) !important;
    padding: 32px 0 !important;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(12px);
}

.f-bg-w3l {
    background: transparent !important;
}

.footer h2 {
    color: var(--sw-gold) !important;
    font-size: 20px !important;
    font-weight: 800 !important;
    margin: 0 0 12px !important;
    letter-spacing: 1px;
}

.footer h2 span {
    color: var(--sw-text-secondary) !important;
    font-weight: 400 !important;
}

.w3l_footer_nav {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.w3l_footer_nav a {
    color: var(--sw-text-secondary) !important;
    text-decoration: none !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    padding: 8px 16px;
    border-radius: var(--sw-radius-md);
    transition: all var(--sw-transition-normal);
}

.w3l_footer_nav a:hover {
    color: var(--sw-gold) !important;
    background: rgba(242, 196, 104, 0.08);
}

.w3l_footer_nav a.active {
    color: var(--sw-gold) !important;
    background: rgba(242, 196, 104, 0.1);
}

/* ── 星仔机器人按钮 ── */
.xingzai-fab {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    z-index: 9999 !important;
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    border: none !important;
    background: var(--sw-gold-gradient) !important;
    box-shadow: 0 4px 20px rgba(242, 196, 104, 0.35) !important;
    cursor: pointer !important;
    transition: all var(--sw-transition-normal) !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.xingzai-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(242, 196, 104, 0.5) !important;
}

.xingzai-fab img {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50%;
}

/* ── 全局文字颜色覆盖 ── */
.topchart-body * {
    color: inherit;
}

/* ── 滚动条美化 ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--sw-bg-deep);
}

::-webkit-scrollbar-thumb {
    background: rgba(242, 196, 104, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(242, 196, 104, 0.35);
}

/* ═══════════════════════════════════════════
   响应式设计
   ═══════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
    .topchart-tabs {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .hero-content h2 {
        font-size: 30px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .inner-hero {
        padding: 32px 0 24px;
    }

    .hero-content h2 {
        font-size: 26px;
    }

    .hero-content p {
        font-size: 14px !important;
    }

    .topchart-tabs-zone {
        padding: 0 0 16px;
    }

    .topchart-tabs {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
    }

    .topchart-tab {
        padding: 14px 16px !important;
    }

    .topchart-tab strong {
        font-size: 13px !important;
    }

    .topchart-tab em {
        font-size: 11px !important;
    }

    .chart-board-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .chart-play-all-btn {
        width: 100%;
        justify-content: center;
        padding: 12px 24px !important;
        font-size: 14px !important;
    }

    .chart-rank-card {
        grid-template-columns: 48px 1fr;
        gap: 12px;
        padding: 14px 16px !important;
    }

    .chart-rank-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: flex-end;
    }

    .chart-rank-number {
        font-size: 24px !important;
    }

    .chart-rank-avatar {
        width: 44px !important;
        height: 44px !important;
    }

    .chart-rank-content h4 {
        font-size: 15px !important;
    }

    .chart-rank-artist {
        font-size: 12px !important;
    }

    .chart-pagination {
        flex-wrap: wrap;
        gap: 10px;
    }

    .chart-page-btn {
        padding: 10px 20px !important;
        font-size: 13px !important;
    }

    .footer {
        padding: 24px 0 !important;
    }

    .footer h2 {
        font-size: 18px !important;
    }

    .w3l_footer_nav {
        gap: 4px;
    }

    .w3l_footer_nav a {
        font-size: 13px !important;
        padding: 6px 12px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 22px;
    }

    .topchart-tabs {
        grid-template-columns: 1fr !important;
    }

    .chart-rank-card {
        grid-template-columns: 40px 1fr;
        padding: 12px 14px !important;
    }

    .chart-rank-number {
        font-size: 20px !important;
    }

    .chart-rank-avatar {
        width: 40px !important;
        height: 40px !important;
    }

    .chart-rank-content h4 {
        font-size: 14px !important;
    }

    .chart-rank-actions {
        grid-column: 1 / -1;
        justify-content: space-between;
    }

    .chart-rank-actions a {
        padding: 8px 16px !important;
        font-size: 12px !important;
    }

    .chart-play-all-btn {
        padding: 10px 20px !important;
        font-size: 13px !important;
    }

    .chart-play-all-icon {
        width: 32px !important;
        height: 32px !important;
    }

    .chart-page-indicator {
        font-size: 13px !important;
        padding: 6px 14px;
    }
}

/* ── 动画关键帧 ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chart-rank-card {
    animation: fadeInUp 0.4s ease backwards;
}

.chart-rank-card:nth-child(1) { animation-delay: 0.05s; }
.chart-rank-card:nth-child(2) { animation-delay: 0.1s; }
.chart-rank-card:nth-child(3) { animation-delay: 0.15s; }
.chart-rank-card:nth-child(4) { animation-delay: 0.2s; }
.chart-rank-card:nth-child(5) { animation-delay: 0.25s; }
.chart-rank-card:nth-child(6) { animation-delay: 0.3s; }
.chart-rank-card:nth-child(7) { animation-delay: 0.35s; }
.chart-rank-card:nth-child(8) { animation-delay: 0.4s; }
.chart-rank-card:nth-child(9) { animation-delay: 0.45s; }
.chart-rank-card:nth-child(10) { animation-delay: 0.5s; }

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.chart-rank-tag {
    background: linear-gradient(90deg, var(--sw-gold-dark), var(--sw-gold-light), var(--sw-gold-dark));
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}