:root {
    --color-bg: #fafaf9;
    --color-panel: #ffffff;
    --color-stone-100: #f5f5f4;
    --color-stone-200: #e7e5e4;
    --color-stone-400: #a8a29e;
    --color-stone-600: #57534e;
    --color-stone-700: #44403c;
    --color-blue-50: #f8fafc;
    --color-blue-600: #475569;
    --color-blue-700: #334155;
    --color-blue-900: #0f172a;
    --color-accent-50: #fef3c7;
    --color-accent-100: #fde68a;
    --color-accent-400: #f59e0b;
    --color-accent-500: #d97706;
    --color-accent-600: #b45309;
    --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.10);
    --shadow-soft: 0 22px 60px rgba(15, 23, 42, 0.18);
    --radius-lg: 18px;
    --radius-md: 12px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--color-blue-900);
    background: var(--color-bg);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img,
video {
    display: block;
    max-width: 100%;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.site-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(231, 229, 228, 0.9);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 68px;
}

.brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-blue-700), var(--color-accent-500));
    border-radius: 11px;
    box-shadow: 0 10px 24px rgba(217, 119, 6, 0.28);
}

.brand-text {
    font-size: 20px;
    color: var(--color-blue-900);
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-left: auto;
}

.nav-link {
    color: var(--color-blue-700);
    font-weight: 650;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent-600);
}

.header-search {
    display: flex;
    align-items: center;
    width: 310px;
    padding: 4px;
    background: var(--color-stone-100);
    border: 1px solid var(--color-stone-200);
    border-radius: 999px;
}

.header-search input,
.mobile-search input {
    width: 100%;
    min-width: 0;
    padding: 8px 12px;
    color: var(--color-blue-900);
    background: transparent;
    border: 0;
    outline: 0;
}

.header-search button,
.mobile-search button {
    flex: 0 0 auto;
    padding: 8px 14px;
    color: #ffffff;
    background: var(--color-accent-500);
    border: 0;
    border-radius: 999px;
    font-weight: 700;
}

.menu-button {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: 0;
}

.menu-button span {
    width: 24px;
    height: 2px;
    background: var(--color-blue-900);
    border-radius: 999px;
}

.mobile-menu {
    display: none;
    padding: 16px;
    background: #ffffff;
    border-top: 1px solid var(--color-stone-200);
}

.mobile-menu.open {
    display: block;
}

.mobile-link {
    display: block;
    padding: 12px 0;
    color: var(--color-blue-700);
    font-weight: 700;
}

.mobile-search {
    display: flex;
    padding: 4px;
    margin-bottom: 8px;
    background: var(--color-stone-100);
    border: 1px solid var(--color-stone-200);
    border-radius: 999px;
}

.hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
    background: var(--color-blue-900);
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.hero-image,
.hero-image img,
.hero-mask {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image img {
    object-fit: cover;
}

.hero-mask {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.86) 0%, rgba(0, 0, 0, 0.54) 46%, rgba(0, 0, 0, 0.12) 100%);
}

.hero-content {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.hero-copy {
    width: min(640px, 100%);
    color: #ffffff;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent-400);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-copy h1,
.hero-copy h2 {
    margin: 12px 0 16px;
    font-size: clamp(38px, 6vw, 68px);
    line-height: 1.08;
    letter-spacing: -0.05em;
}

.hero-copy p {
    max-width: 620px;
    margin: 0 0 22px;
    color: #e7e5e4;
    font-size: 18px;
}

.hero-meta,
.detail-meta,
.card-meta,
.rank-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: #d6d3d1;
    font-size: 14px;
}

.hero-meta span,
.detail-meta span {
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
}

.hero-tags,
.genre-pills,
.tag-row,
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hero-tags {
    margin: 20px 0 28px;
}

.hero-tags span,
.genre-pills span,
.tag-row span,
.tag-cloud a {
    display: inline-flex;
    padding: 6px 11px;
    color: var(--color-blue-900);
    background: var(--color-accent-50);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.primary-button,
.ghost-button,
.tile-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.primary-button {
    color: #ffffff;
    background: var(--color-accent-500);
    box-shadow: 0 16px 36px rgba(217, 119, 6, 0.36);
}

.primary-button:hover,
.tile-link:hover {
    transform: translateY(-2px);
    background: var(--color-accent-600);
}

.ghost-button {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-control {
    position: absolute;
    top: 50%;
    z-index: 8;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    font-size: 36px;
    line-height: 1;
    transform: translateY(-50%);
    backdrop-filter: blur(10px);
}

.hero-prev {
    left: 22px;
}

.hero-next {
    right: 22px;
}

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    z-index: 8;
    display: flex;
    gap: 8px;
    transform: translateX(-50%);
}

.hero-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    background: rgba(255, 255, 255, 0.55);
    border: 0;
    border-radius: 999px;
    transition: width 0.25s ease, background 0.25s ease;
}

.hero-dot.active {
    width: 34px;
    background: var(--color-accent-400);
}

.section-block,
.section-stack {
    padding: 64px 0 0;
}

.section-stack {
    display: grid;
    gap: 58px;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.section-heading.compact {
    margin-bottom: 18px;
}

.section-heading h2,
.section-heading h1,
.page-hero h1 {
    margin: 4px 0 0;
    color: var(--color-blue-900);
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.15;
    letter-spacing: -0.035em;
}

.section-heading p {
    max-width: 720px;
    margin: 8px 0 0;
    color: var(--color-stone-600);
}

.section-heading a {
    color: var(--color-accent-600);
    font-weight: 800;
}

.video-grid {
    display: grid;
    gap: 22px;
}

.video-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.video-grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.video-grid.six {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.video-card {
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(231, 229, 228, 0.88);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: rgba(217, 119, 6, 0.34);
    box-shadow: var(--shadow-soft);
}

.poster {
    position: relative;
    display: block;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    background: var(--color-blue-900);
}

.poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card:hover .poster img {
    transform: scale(1.06);
}

.score {
    position: absolute;
    right: 10px;
    bottom: 10px;
    padding: 5px 9px;
    color: #ffffff;
    background: rgba(15, 23, 42, 0.76);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.card-body {
    display: grid;
    gap: 10px;
    padding: 16px;
}

.card-meta {
    gap: 8px;
    color: var(--color-stone-600);
    font-size: 12px;
}

.card-body h3 {
    display: -webkit-box;
    min-height: 3em;
    margin: 0;
    overflow: hidden;
    color: var(--color-blue-900);
    font-size: 17px;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.card-body p {
    display: -webkit-box;
    min-height: 3.1em;
    margin: 0;
    overflow: hidden;
    color: var(--color-stone-600);
    font-size: 14px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.tag-row span {
    padding: 4px 8px;
    color: var(--color-accent-600);
    background: var(--color-accent-50);
    font-size: 12px;
}

.highlight-panel {
    padding: 38px;
    margin-top: 64px;
    background: linear-gradient(135deg, #fff7ed, #f8fafc);
    border: 1px solid rgba(253, 186, 116, 0.32);
    border-radius: 28px;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 34px;
}

.rank-list {
    display: grid;
    gap: 14px;
}

.rank-list.wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rank-item {
    display: grid;
    grid-template-columns: 44px 76px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    padding: 12px;
    background: #ffffff;
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}

.rank-number {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    color: #ffffff;
    background: var(--color-blue-900);
    border-radius: 12px;
    font-weight: 900;
}

.rank-thumb {
    overflow: hidden;
    aspect-ratio: 2 / 3;
    border-radius: 12px;
    background: var(--color-stone-200);
}

.rank-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rank-body h3 {
    margin: 0 0 4px;
    font-size: 16px;
}

.rank-body p {
    display: -webkit-box;
    margin: 0 0 8px;
    overflow: hidden;
    color: var(--color-stone-600);
    font-size: 13px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.rank-meta {
    color: var(--color-stone-600);
    font-size: 12px;
}

.category-grid.small {
    display: grid;
    gap: 14px;
}

.category-tile,
.category-overview-block {
    background: #ffffff;
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.category-tile {
    display: grid;
    gap: 14px;
    padding: 20px;
}

.category-tile h3 {
    margin: 0 0 8px;
    font-size: 20px;
}

.category-tile p {
    margin: 0;
    color: var(--color-stone-600);
}

.category-mini-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.category-mini-links a {
    padding: 6px 10px;
    color: var(--color-blue-700);
    background: var(--color-stone-100);
    border-radius: 999px;
    font-size: 13px;
}

.tile-link {
    justify-self: start;
    color: #ffffff;
    background: var(--color-accent-500);
}

.category-overview-block {
    padding: 28px;
}

.page-hero {
    padding: 74px 0;
    color: #ffffff;
    background: radial-gradient(circle at 14% 20%, rgba(245, 158, 11, 0.34), transparent 28%), linear-gradient(135deg, var(--color-blue-700), var(--color-blue-900));
}

.page-hero h1 {
    color: #ffffff;
    font-size: clamp(38px, 5vw, 58px);
}

.page-hero p {
    max-width: 720px;
    margin: 14px 0 0;
    color: #e2e8f0;
    font-size: 18px;
}

.filter-panel {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    gap: 16px;
    align-items: center;
    padding: 18px;
    margin-bottom: 26px;
    background: #ffffff;
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.filter-search input,
.filter-selects select {
    width: 100%;
    min-height: 46px;
    padding: 0 14px;
    color: var(--color-blue-900);
    background: var(--color-stone-100);
    border: 1px solid var(--color-stone-200);
    border-radius: 999px;
    outline: 0;
}

.filter-selects {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-selects select {
    width: 150px;
}

.empty-state {
    display: none;
    padding: 36px;
    margin-top: 18px;
    color: var(--color-stone-600);
    text-align: center;
    background: #ffffff;
    border: 1px dashed var(--color-stone-200);
    border-radius: var(--radius-lg);
}

.empty-state.show {
    display: block;
}

.detail-head {
    padding: 38px 0 44px;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(51, 65, 85, 0.96));
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
    color: #cbd5e1;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--color-accent-400);
}

.detail-head h1 {
    max-width: 980px;
    margin: 0 0 12px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.12;
    letter-spacing: -0.04em;
}

.detail-head p {
    max-width: 860px;
    margin: 0 0 18px;
    color: #e7e5e4;
    font-size: 18px;
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 24px;
    padding-top: 34px;
}

.player-card,
.detail-side,
.content-panel {
    background: #ffffff;
    border: 1px solid var(--color-stone-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.player-card {
    padding: 14px;
}

.player-shell {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #020617;
    border-radius: 16px;
}

.player-shell video {
    width: 100%;
    height: 100%;
    background: #000000;
    object-fit: contain;
}

.player-overlay {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: grid;
    place-items: center;
    gap: 14px;
    color: #ffffff;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.18), rgba(15, 23, 42, 0.74));
    border: 0;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.player-overlay.is-hidden {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.play-ring {
    display: grid;
    place-items: center;
    width: 82px;
    height: 82px;
    background: rgba(217, 119, 6, 0.92);
    border: 8px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    box-shadow: 0 24px 54px rgba(0, 0, 0, 0.32);
}

.play-triangle {
    width: 0;
    height: 0;
    margin-left: 6px;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 22px solid #ffffff;
}

.detail-side {
    overflow: hidden;
}

.detail-side img {
    width: 100%;
    aspect-ratio: 2 / 3;
    object-fit: cover;
}

.side-info {
    display: grid;
    gap: 12px;
    padding: 16px;
}

.side-info h2 {
    margin: 0;
    font-size: 22px;
}

.side-info p {
    margin: 0;
    color: var(--color-stone-600);
}

.prose-section {
    display: grid;
    gap: 18px;
    padding-top: 28px;
}

.content-panel {
    padding: 26px;
}

.content-panel h2 {
    margin: 0 0 12px;
    font-size: 24px;
}

.content-panel p {
    margin: 0;
    color: var(--color-stone-700);
    font-size: 16px;
}

.tag-cloud a {
    color: var(--color-accent-600);
}

.site-footer {
    margin-top: 76px;
    color: #d6d3d1;
    background: var(--color-blue-900);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
    gap: 34px;
    padding: 46px 0;
}

.footer-brand {
    margin-bottom: 12px;
    color: #ffffff;
    font-size: 20px;
}

.footer-grid h3 {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: 16px;
}

.footer-grid p {
    margin: 0;
    color: var(--color-stone-400);
    font-size: 14px;
}

.footer-grid a {
    display: block;
    margin: 8px 0;
    color: var(--color-stone-400);
    font-size: 14px;
}

.footer-grid a:hover {
    color: var(--color-accent-400);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 14px;
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 18px 0;
    color: var(--color-stone-400);
    border-top: 1px solid rgba(148, 163, 184, 0.18);
    font-size: 13px;
}

@media (max-width: 1120px) {
    .video-grid.six {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .split-section,
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .detail-side {
        display: grid;
        grid-template-columns: 180px 1fr;
    }
}

@media (max-width: 880px) {
    .desktop-nav,
    .header-search {
        display: none;
    }

    .menu-button {
        display: flex;
        margin-left: auto;
    }

    .hero {
        min-height: 620px;
    }

    .hero-control {
        display: none;
    }

    .hero-mask {
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.86));
    }

    .hero-content {
        align-items: flex-end;
        padding-bottom: 86px;
    }

    .section-heading,
    .filter-panel {
        align-items: stretch;
        grid-template-columns: 1fr;
        flex-direction: column;
    }

    .filter-selects select {
        width: 100%;
    }

    .video-grid.three,
    .video-grid.four,
    .video-grid.six,
    .rank-list.wide {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .site-container {
        width: min(100% - 24px, 1180px);
    }

    .brand-text {
        font-size: 18px;
    }

    .hero-copy h1,
    .hero-copy h2 {
        font-size: 38px;
    }

    .video-grid.three,
    .video-grid.four,
    .video-grid.six,
    .rank-list.wide {
        grid-template-columns: 1fr;
    }

    .highlight-panel,
    .category-overview-block,
    .content-panel {
        padding: 20px;
    }

    .rank-item {
        grid-template-columns: 38px 62px minmax(0, 1fr);
    }

    .detail-side {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}