:root {
    --brand: #2563eb;
    --brand-soft: #06b6d4;
    --ink: #111827;
    --muted: #6b7280;
    --line: #e5e7eb;
    --paper: #ffffff;
    --soft: #f8fafc;
    --night: #0f172a;
    --radius: 24px;
    --shadow: 0 20px 55px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--ink);
    background: var(--soft);
    line-height: 1.6;
}

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

button,
input,
select {
    font: inherit;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.72);
    transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
    background: #ffffff;
    box-shadow: 0 10px 35px rgba(15, 23, 42, 0.1);
}

.nav-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #ffffff;
    font-weight: 900;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.28);
}

.brand-main {
    display: block;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #1f2937;
    white-space: nowrap;
}

.brand-sub {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-top: -2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    color: #374151;
    font-size: 15px;
    font-weight: 700;
}

.nav-links a {
    position: relative;
    transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--brand);
}

.nav-cta {
    padding: 10px 20px;
    border-radius: 999px;
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.22);
}

.menu-button {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 12px;
    background: #f3f4f6;
    color: #111827;
    cursor: pointer;
}

.menu-lines {
    width: 20px;
    height: 14px;
    position: relative;
    display: inline-block;
}

.menu-lines::before,
.menu-lines::after,
.menu-lines span {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.menu-lines::before {
    top: 0;
}

.menu-lines span {
    top: 6px;
}

.menu-lines::after {
    bottom: 0;
}

.mobile-panel {
    display: none;
    border-top: 1px solid var(--line);
    background: #ffffff;
    padding: 10px 20px 18px;
}

.mobile-panel a {
    display: block;
    padding: 12px 0;
    font-weight: 700;
    color: #374151;
}

.page-main {
    padding-top: 76px;
}

.hero {
    position: relative;
    min-height: 640px;
    overflow: hidden;
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 52%, #14b8a6 100%);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.22), transparent 26%),
        radial-gradient(circle at 80% 18%, rgba(255, 255, 255, 0.16), transparent 30%),
        linear-gradient(90deg, rgba(15, 23, 42, 0.45), rgba(15, 23, 42, 0.08));
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 56px 56px;
    opacity: 0.25;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 84px 20px 70px;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(300px, 0.88fr);
    gap: 44px;
    align-items: center;
}

.hero-kicker,
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.03em;
    background: rgba(255, 255, 255, 0.17);
    border: 1px solid rgba(255, 255, 255, 0.24);
    backdrop-filter: blur(12px);
}

.hero h1 {
    margin: 24px 0 18px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.05;
    letter-spacing: -0.06em;
}

.hero h1 span {
    display: block;
    color: #cffafe;
}

.hero-lead {
    max-width: 690px;
    margin: 0 0 26px;
    font-size: 19px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-actions,
.section-actions,
.card-actions,
.detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 800;
    border: 0;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
    box-shadow: 0 18px 30px rgba(37, 99, 235, 0.28);
}

.btn-light {
    color: #0f172a;
    background: #ffffff;
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.12);
}

.btn-ghost {
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.36);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-line {
    color: var(--brand);
    background: #eff6ff;
}

.search-form {
    width: min(100%, 620px);
    margin-top: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 22px 45px rgba(15, 23, 42, 0.16);
}

.search-form input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    padding: 0 14px;
    background: transparent;
    color: #111827;
    font-size: 16px;
}

.search-form button {
    border: 0;
}

.hero-showcase {
    position: relative;
    min-height: 500px;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateX(28px) scale(0.98);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.hero-slide.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) scale(1);
}

.hero-card {
    height: 500px;
    border-radius: 34px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    position: relative;
    background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.1), rgba(15, 23, 42, 0.82)), var(--hero-image);
    background-size: cover;
    background-position: center;
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.34);
}

.hero-card::before {
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 26px;
    pointer-events: none;
}

.hero-card-content {
    position: relative;
    z-index: 2;
}

.hero-card h2 {
    margin: 12px 0 8px;
    font-size: 32px;
    line-height: 1.16;
}

.hero-card p {
    margin: 0 0 18px;
    color: rgba(255, 255, 255, 0.86);
}

.hero-tags,
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag,
.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    color: #0f172a;
    background: #e0f2fe;
}

.hero-card .tag {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-dots {
    position: absolute;
    left: 28px;
    bottom: -28px;
    z-index: 4;
    display: flex;
    gap: 10px;
}

.hero-dot {
    width: 38px;
    height: 8px;
    border-radius: 999px;
    border: 0;
    background: rgba(255, 255, 255, 0.42);
    cursor: pointer;
}

.hero-dot.is-active {
    background: #ffffff;
}

.section {
    padding: 74px 20px;
}

.section.alt {
    background: #ffffff;
}

.section.dark {
    color: #ffffff;
    background: linear-gradient(135deg, #111827, #0f172a);
}

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

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 32px;
}

.section-title {
    margin: 10px 0 8px;
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.14;
    letter-spacing: -0.04em;
    color: #111827;
}

.dark .section-title {
    color: #ffffff;
}

.section-desc {
    margin: 0;
    max-width: 660px;
    color: var(--muted);
    font-size: 16px;
}

.dark .section-desc {
    color: #cbd5e1;
}

.grid {
    display: grid;
    gap: 24px;
}

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

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

.movie-card,
.category-card,
.info-card,
.related-card {
    background: #ffffff;
    border-radius: var(--radius);
    box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.9);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.movie-card:hover,
.category-card:hover,
.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: rgba(37, 99, 235, 0.18);
}

.poster {
    position: relative;
    aspect-ratio: 3 / 4;
    background-image: linear-gradient(135deg, #1d4ed8, #06b6d4);
    background-size: cover;
    background-position: center;
}

.poster-wide {
    aspect-ratio: 16 / 9;
}

.poster::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 36%, rgba(15, 23, 42, 0.76));
}

.poster-badge {
    position: absolute;
    z-index: 2;
    left: 14px;
    top: 14px;
    padding: 6px 10px;
    border-radius: 999px;
    color: #ffffff;
    font-size: 12px;
    font-weight: 900;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(8px);
}

.poster-title {
    position: absolute;
    z-index: 2;
    left: 14px;
    right: 14px;
    bottom: 14px;
    color: #ffffff;
    font-size: 19px;
    line-height: 1.22;
    font-weight: 900;
}

.movie-body {
    padding: 18px;
}

.movie-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
}

.movie-card h3,
.related-card h3 {
    margin: 0 0 10px;
    font-size: 20px;
    line-height: 1.28;
    color: #111827;
}

.movie-card p,
.related-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.card-link {
    display: inline-flex;
    margin-top: 14px;
    color: var(--brand);
    font-weight: 900;
}

.category-card {
    min-height: 220px;
    padding: 28px;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(135deg, #2563eb, #06b6d4);
}

.category-card:nth-child(4n+2) {
    background: linear-gradient(135deg, #7c3aed, #06b6d4);
}

.category-card:nth-child(4n+3) {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.category-card:nth-child(4n+4) {
    background: linear-gradient(135deg, #059669, #14b8a6);
}

.category-card h3 {
    margin: 0 0 12px;
    font-size: 26px;
}

.category-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
}

.category-card span {
    margin-top: 22px;
    font-weight: 900;
}

.filter-bar {
    margin: 0 0 28px;
    padding: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.filter-bar input,
.filter-bar select {
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0 16px;
    color: #111827;
    background: #f8fafc;
    outline: 0;
}

.filter-bar input {
    flex: 1;
    min-width: 220px;
}

.filter-chip {
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #ffffff;
    color: #374151;
    font-weight: 800;
    cursor: pointer;
}

.filter-chip.is-active {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
}

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

.rank-item {
    display: grid;
    grid-template-columns: 72px 110px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    padding: 16px;
    border-radius: 22px;
    background: #ffffff;
    color: #111827;
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
}

.rank-num {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    font-size: 20px;
    font-weight: 950;
    color: #ffffff;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
}

.rank-cover {
    width: 110px;
    aspect-ratio: 16 / 10;
    border-radius: 14px;
    background-image: linear-gradient(135deg, #1d4ed8, #06b6d4);
    background-size: cover;
    background-position: center;
}

.rank-title {
    margin: 0 0 6px;
    font-size: 20px;
}

.rank-desc {
    margin: 0;
    color: var(--muted);
}

.page-hero {
    padding: 76px 20px 52px;
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb, #06b6d4 55%, #14b8a6);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.25), transparent 26%), linear-gradient(90deg, rgba(15, 23, 42, 0.38), transparent);
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
    margin-bottom: 18px;
}

.breadcrumb a {
    font-weight: 800;
}

.page-hero h1 {
    max-width: 900px;
    margin: 0 0 14px;
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.08;
    letter-spacing: -0.05em;
}

.page-hero p {
    max-width: 780px;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.48fr) 360px;
    gap: 30px;
    align-items: start;
}

.player-card {
    background: #020617;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.player-screen {
    position: relative;
    background: #000000;
    aspect-ratio: 16 / 9;
}

.player-screen video {
    width: 100%;
    height: 100%;
    display: block;
    background: #000000;
}

.play-trigger {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 94px;
    height: 94px;
    border: 0;
    border-radius: 999px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
    box-shadow: 0 22px 48px rgba(37, 99, 235, 0.36);
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 30px;
    z-index: 3;
}

.play-trigger::before {
    content: "▶";
    margin-left: 6px;
}

.play-trigger.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.player-caption {
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: #cbd5e1;
}

.content-panel {
    padding: 28px;
    border-radius: 28px;
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: 0 10px 32px rgba(15, 23, 42, 0.06);
}

.content-panel h2 {
    margin: 0 0 14px;
    font-size: 28px;
    letter-spacing: -0.03em;
}

.content-panel p {
    margin: 0 0 18px;
    color: #374151;
}

.side-panel {
    display: grid;
    gap: 20px;
}

.side-poster {
    min-height: 420px;
    border-radius: 28px;
    background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.06), rgba(15, 23, 42, 0.75)), var(--poster-image);
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.side-poster h2 {
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 22px;
    margin: 0;
    color: #ffffff;
    font-size: 30px;
    line-height: 1.12;
}

.meta-box {
    padding: 22px;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid var(--line);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.meta-row:last-child {
    border-bottom: 0;
}

.meta-row strong {
    color: #111827;
}

.meta-row span {
    text-align: right;
    color: var(--muted);
}

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

.related-card .movie-body {
    padding: 16px;
}

.empty-state {
    display: none;
    padding: 36px;
    text-align: center;
    border-radius: 24px;
    background: #ffffff;
    color: var(--muted);
    border: 1px solid var(--line);
}

.empty-state.is-visible {
    display: block;
}

.site-footer {
    color: #cbd5e1;
    background: #0f172a;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 20px 30px;
    display: grid;
    grid-template-columns: 1.25fr repeat(3, minmax(0, 1fr));
    gap: 32px;
}

.footer-title {
    margin: 0 0 12px;
    color: #ffffff;
    font-size: 20px;
    font-weight: 900;
}

.footer-inner p {
    margin: 0;
    color: #94a3b8;
}

.footer-links {
    display: grid;
    gap: 10px;
}

.footer-links a {
    color: #cbd5e1;
}

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.18);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.back-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 48;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 999px;
    display: none;
    place-items: center;
    color: #ffffff;
    background: linear-gradient(135deg, var(--brand), var(--brand-soft));
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.22);
    cursor: pointer;
}

.back-top.is-visible {
    display: grid;
}

@media (max-width: 1024px) {
    .movie-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

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

    .side-panel {
        grid-template-columns: minmax(260px, 0.8fr) 1fr;
    }
}

@media (max-width: 800px) {
    .nav-links {
        display: none;
    }

    .menu-button {
        display: grid;
        place-items: center;
    }

    .mobile-panel.is-open {
        display: block;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        padding-top: 56px;
    }

    .hero-showcase {
        min-height: 430px;
    }

    .hero-card {
        height: 420px;
    }

    .section-head {
        display: block;
    }

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

    .rank-item {
        grid-template-columns: 52px 88px minmax(0, 1fr);
    }

    .rank-item .btn {
        grid-column: 1 / -1;
        width: 100%;
    }

    .rank-cover {
        width: 88px;
    }

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

    .footer-bottom {
        display: block;
    }
}

@media (max-width: 560px) {
    .nav-shell {
        height: 68px;
        padding: 0 16px;
    }

    .brand-main {
        font-size: 17px;
    }

    .brand-sub {
        display: none;
    }

    .page-main {
        padding-top: 68px;
    }

    .hero {
        min-height: auto;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-lead {
        font-size: 16px;
    }

    .search-form {
        border-radius: 24px;
        align-items: stretch;
        flex-direction: column;
    }

    .search-form input {
        width: 100%;
        min-height: 44px;
    }

    .search-form .btn {
        width: 100%;
    }

    .movie-grid,
    .category-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 54px 16px;
    }

    .page-hero {
        padding: 54px 16px 42px;
    }

    .content-panel {
        padding: 22px;
    }

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

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