:root {
    --color-space-dark: #0a0e27;
    --color-space-blue: #1a2332;
    --color-space-navy: #2d3e50;
    --color-star-silver: #c5d0de;
    --color-star-gold: #f4c430;
    --color-nebula-cyan: #4a9eff;
    --color-nebula-teal: #00d4aa;
    --color-cosmic-orange: #ff6b35;
    --color-text-primary: #e8eef5;
    --color-text-secondary: #a8b5c7;
    --color-text-muted: #6b7b8c;
    --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.38);
    --radius-card: 18px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--color-text-primary);
    background:
        radial-gradient(circle at 15% 0%, rgba(74, 158, 255, 0.18), transparent 32rem),
        radial-gradient(circle at 90% 18%, rgba(0, 212, 170, 0.12), transparent 30rem),
        linear-gradient(180deg, var(--color-space-dark), #10172d 52%, var(--color-space-blue));
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
}

body.lock-scroll {
    overflow: hidden;
}

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

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

button,
input,
select {
    font: inherit;
}

.container-custom {
    width: min(100% - 2rem, 80rem);
    margin-inline: auto;
}

.section-spacing {
    padding-block: clamp(3rem, 7vw, 5rem);
}

.text-gradient {
    background: linear-gradient(90deg, var(--color-nebula-cyan), var(--color-nebula-teal));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.backdrop-blur-custom {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 14, 39, 0.9);
    border-bottom: 1px solid rgba(168, 181, 199, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 5rem;
    gap: 1.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.brand-mark {
    display: inline-grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border-radius: 0.9rem;
    color: white;
    background: linear-gradient(135deg, var(--color-nebula-cyan), var(--color-nebula-teal));
    box-shadow: 0 14px 30px rgba(0, 212, 170, 0.2);
    transition: transform 0.2s ease;
}

.brand:hover .brand-mark {
    transform: scale(1.08);
}

.brand-copy {
    display: grid;
    line-height: 1.15;
}

.brand-copy strong,
.footer-brand {
    font-size: clamp(1.18rem, 2vw, 1.55rem);
    font-weight: 800;
    letter-spacing: 0.02em;
}

.brand-copy em {
    margin-top: 0.25rem;
    color: var(--color-text-secondary);
    font-size: 0.78rem;
    font-style: normal;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.65rem 0.95rem;
    border-radius: 999px;
    color: var(--color-star-silver);
    font-weight: 700;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(74, 158, 255, 0.14);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    border: 0;
    border-radius: 0.75rem;
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

.menu-toggle span {
    display: block;
    width: 1.2rem;
    height: 2px;
    margin: 0.25rem auto;
    border-radius: 999px;
    background: currentColor;
}

.hero {
    position: relative;
    min-height: 78vh;
    overflow: hidden;
    isolation: isolate;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.65s ease, visibility 0.65s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-image {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
}

.hero-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(10, 14, 39, 0.94), rgba(10, 14, 39, 0.68) 42%, rgba(10, 14, 39, 0.22)),
        linear-gradient(0deg, var(--color-space-dark), rgba(10, 14, 39, 0.45) 50%, rgba(10, 14, 39, 0.2));
}

.hero-content {
    display: flex;
    align-items: flex-end;
    min-height: 78vh;
    padding-block: 7rem 5.25rem;
}

.hero-copy {
    max-width: 49rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0 1rem;
    color: var(--color-star-gold);
    font-weight: 800;
}

.hero h1,
.hero h2 {
    margin: 0;
    color: white;
    font-size: clamp(2.45rem, 7vw, 5.8rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.hero p {
    max-width: 43rem;
    margin: 1.2rem 0 0;
    color: var(--color-star-silver);
    font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.hero-meta,
.detail-meta,
.card-meta,
.rank-info div,
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    color: var(--color-text-secondary);
}

.hero-meta {
    margin-top: 1.25rem;
}

.hero-meta span,
.detail-meta span,
.card-meta span,
.filter-pill,
.tag-list span {
    display: inline-flex;
    align-items: center;
    min-height: 1.9rem;
    padding: 0.25rem 0.7rem;
    border: 1px solid rgba(197, 208, 222, 0.14);
    border-radius: 999px;
    background: rgba(26, 35, 50, 0.56);
}

.hero-actions,
.section-head,
.filter-panel,
.player-controls,
.detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.hero-actions {
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 2.9rem;
    padding: 0.72rem 1.15rem;
    border: 0;
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
    color: white;
    background: linear-gradient(135deg, var(--color-nebula-cyan), var(--color-nebula-teal));
    box-shadow: 0 16px 32px rgba(74, 158, 255, 0.22);
}

.btn-secondary {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

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

.hero-controls {
    position: absolute;
    right: clamp(1rem, 4vw, 3.5rem);
    bottom: 2rem;
    z-index: 5;
    display: flex;
    gap: 0.75rem;
}

.hero-controls button {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border: 0;
    border-radius: 999px;
    color: white;
    background: rgba(0, 0, 0, 0.44);
    transition: background 0.2s ease, transform 0.2s ease;
}

.hero-controls button:hover {
    background: rgba(0, 0, 0, 0.64);
    transform: scale(1.04);
}

.hero-dots {
    position: absolute;
    left: max(1rem, calc((100vw - 80rem) / 2 + 1rem));
    bottom: 2.2rem;
    z-index: 5;
    display: flex;
    gap: 0.5rem;
}

.hero-dot {
    width: 0.65rem;
    height: 0.65rem;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.32);
}

.hero-dot.active {
    width: 2rem;
    background: var(--color-nebula-cyan);
}

.section-head {
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-head h1,
.section-head h2,
.detail-title h1,
.page-hero h1 {
    margin: 0;
    color: white;
    font-size: clamp(1.9rem, 4vw, 3.25rem);
    line-height: 1.15;
}

.section-head p,
.page-hero p,
.detail-title p,
.category-intro,
.empty-state {
    max-width: 50rem;
    color: var(--color-text-secondary);
}

.card {
    overflow: hidden;
    border: 1px solid rgba(168, 181, 199, 0.12);
    border-radius: var(--radius-card);
    background: rgba(26, 35, 50, 0.84);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.card-hover:hover {
    transform: translateY(-6px) scale(1.015);
    border-color: rgba(74, 158, 255, 0.45);
    box-shadow: var(--shadow-card);
}

.movie-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
}

.movie-card {
    min-width: 0;
}

.poster-link {
    position: relative;
    display: block;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    background: #0f162d;
}

.poster-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease, filter 0.45s ease;
}

.movie-card:hover .poster-link img,
.rank-card:hover img,
.channel-card:hover img {
    transform: scale(1.08);
    filter: saturate(1.08);
}

.poster-link::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 35%, rgba(0, 0, 0, 0.78));
    opacity: 0.75;
}

.poster-tag,
.poster-year,
.poster-play {
    position: absolute;
    z-index: 2;
    border-radius: 999px;
    color: white;
    background: rgba(0, 0, 0, 0.58);
    backdrop-filter: blur(8px);
}

.poster-tag {
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.26rem 0.58rem;
    font-size: 0.78rem;
}

.poster-year {
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 0.26rem 0.58rem;
    font-size: 0.78rem;
}

.poster-play {
    left: 50%;
    top: 50%;
    display: grid;
    width: 3.3rem;
    height: 3.3rem;
    place-items: center;
    background: rgba(74, 158, 255, 0.86);
    transform: translate(-50%, -50%) scale(0.86);
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.movie-card:hover .poster-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.movie-card-body {
    padding: 1rem;
}

.movie-card h3,
.rank-info h3,
.channel-card h2,
.related-card h3 {
    margin: 0 0 0.55rem;
    color: var(--color-text-primary);
    font-size: 1rem;
    line-height: 1.35;
}

.movie-card h3 a:hover,
.rank-info h3 a:hover,
.channel-card h2 a:hover,
.related-card h3 a:hover {
    color: var(--color-nebula-cyan);
}

.movie-card p,
.rank-info p,
.channel-card p,
.related-card p {
    display: -webkit-box;
    min-height: 3.15rem;
    margin: 0 0 0.8rem;
    overflow: hidden;
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-meta {
    gap: 0.45rem;
    font-size: 0.78rem;
}

.card-meta span {
    min-height: 1.55rem;
    padding: 0.12rem 0.5rem;
}

.feature-row {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.25rem;
}

.feature-panel {
    display: grid;
    min-height: 28rem;
    padding: clamp(1.4rem, 4vw, 2.35rem);
    align-content: end;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.16), rgba(0, 212, 170, 0.07)), rgba(26, 35, 50, 0.82);
    border: 1px solid rgba(168, 181, 199, 0.12);
}

.feature-panel h2 {
    max-width: 38rem;
    margin: 0 0 1rem;
    font-size: clamp(1.8rem, 4vw, 3.4rem);
    line-height: 1.08;
}

.feature-panel p {
    max-width: 42rem;
    margin: 0;
    color: var(--color-text-secondary);
}

.feature-list {
    display: grid;
    gap: 0.85rem;
}

.mini-card {
    display: grid;
    grid-template-columns: 5.25rem 1fr;
    gap: 0.85rem;
    padding: 0.75rem;
    border-radius: 1rem;
    background: rgba(26, 35, 50, 0.72);
    border: 1px solid rgba(168, 181, 199, 0.1);
}

.mini-card img {
    width: 5.25rem;
    aspect-ratio: 2 / 3;
    border-radius: 0.75rem;
    object-fit: cover;
}

.mini-card strong {
    display: block;
    margin-bottom: 0.25rem;
    color: white;
}

.mini-card span {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
}

.channel-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.channel-card {
    position: relative;
    min-height: 15rem;
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
}

.channel-card img {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.36;
    transition: transform 0.35s ease;
}

.channel-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.1), rgba(10, 14, 39, 0.95));
}

.channel-card p {
    min-height: auto;
    -webkit-line-clamp: 3;
}

.rank-list {
    display: grid;
    gap: 0.85rem;
}

.rank-card {
    display: grid;
    grid-template-columns: 3.5rem 5.25rem 1fr;
    align-items: center;
    gap: 0.95rem;
    padding: 0.75rem;
    border-radius: 1rem;
    background: rgba(26, 35, 50, 0.76);
    border: 1px solid rgba(168, 181, 199, 0.1);
    transition: transform 0.22s ease, border-color 0.22s ease;
}

.rank-card:hover {
    transform: translateX(4px);
    border-color: rgba(74, 158, 255, 0.35);
}

.rank-number {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border-radius: 999px;
    color: var(--color-star-gold);
    background: rgba(244, 196, 48, 0.1);
    font-weight: 900;
}

.rank-cover img {
    width: 5.25rem;
    aspect-ratio: 2 / 3;
    border-radius: 0.75rem;
    object-fit: cover;
}

.page-hero {
    padding: clamp(3rem, 7vw, 5.5rem) 0 2.5rem;
}

.filter-panel {
    margin: 1.5rem 0 2rem;
    padding: 1rem;
    border: 1px solid rgba(168, 181, 199, 0.12);
    border-radius: 1.25rem;
    background: rgba(26, 35, 50, 0.78);
}

.search-box {
    flex: 1 1 20rem;
    min-width: min(100%, 18rem);
}

.search-box input,
.filter-panel select {
    width: 100%;
    min-height: 3rem;
    border: 1px solid rgba(197, 208, 222, 0.14);
    border-radius: 999px;
    color: white;
    background: rgba(10, 14, 39, 0.76);
    outline: 0;
}

.search-box input {
    padding: 0 1.1rem;
}

.filter-panel select {
    flex: 0 1 11rem;
    padding: 0 1rem;
}

.empty-state {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.06);
}

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

.detail-hero {
    padding: 2rem 0 0;
}

.breadcrumb {
    margin: 0 0 1.25rem;
    font-size: 0.92rem;
}

.breadcrumb a {
    color: var(--color-nebula-cyan);
}

.detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 21rem;
    gap: 2rem;
    align-items: start;
}

.detail-title {
    margin-bottom: 1.5rem;
}

.detail-title p {
    margin: 1rem 0 0;
    font-size: 1.05rem;
}

.detail-meta {
    margin-top: 1rem;
}

.player-shell {
    border-radius: 1.35rem;
    padding: 0.85rem;
    background: rgba(26, 35, 50, 0.86);
    border: 1px solid rgba(168, 181, 199, 0.12);
    box-shadow: var(--shadow-card);
}

.movie-player {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 1rem;
    background: #000;
}

.movie-player video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    cursor: pointer;
}

.player-overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    border: 0;
    color: white;
    background: rgba(0, 0, 0, 0.34);
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.play-symbol {
    display: grid;
    width: clamp(4rem, 8vw, 5.8rem);
    height: clamp(4rem, 8vw, 5.8rem);
    place-items: center;
    border-radius: 999px;
    font-size: 2rem;
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.95), rgba(0, 212, 170, 0.95));
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
}

.player-controls {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    justify-content: flex-start;
    padding: 1rem;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.78), transparent);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.movie-player:hover .player-controls,
.movie-player.is-playing .player-controls {
    opacity: 1;
}

.player-controls button {
    display: grid;
    width: 2.65rem;
    height: 2.65rem;
    place-items: center;
    border: 0;
    border-radius: 999px;
    color: white;
    background: rgba(255, 255, 255, 0.14);
    transition: background 0.18s ease, transform 0.18s ease;
}

.player-controls button:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.player-title {
    flex: 1;
    color: var(--color-text-secondary);
    font-weight: 700;
}

.detail-panel {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border-radius: 1.25rem;
    background: rgba(26, 35, 50, 0.78);
    border: 1px solid rgba(168, 181, 199, 0.12);
}

.detail-panel h2,
.sidebar h2 {
    margin: 0 0 0.85rem;
    color: white;
    font-size: 1.25rem;
}

.detail-panel p {
    margin: 0;
    color: var(--color-star-silver);
}

.detail-panel p + p {
    margin-top: 1rem;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.sidebar {
    position: sticky;
    top: 6rem;
    display: grid;
    gap: 1rem;
}

.cover-card {
    padding: 0.85rem;
}

.cover-card img {
    width: 100%;
    border-radius: 1rem;
    aspect-ratio: 2 / 3;
    object-fit: cover;
}

.related-list {
    display: grid;
    gap: 0.8rem;
}

.related-card {
    display: grid;
    grid-template-columns: 4.35rem 1fr;
    gap: 0.75rem;
    padding: 0.65rem;
    border-radius: 1rem;
    background: rgba(10, 14, 39, 0.48);
}

.related-card img {
    width: 4.35rem;
    aspect-ratio: 2 / 3;
    border-radius: 0.65rem;
    object-fit: cover;
}

.related-card p {
    min-height: auto;
    margin-bottom: 0;
    font-size: 0.84rem;
    -webkit-line-clamp: 2;
}

@media (max-width: 1100px) {
    .movie-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

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

    .sidebar {
        position: static;
        grid-template-columns: minmax(0, 18rem) 1fr;
        align-items: start;
    }
}

@media (max-width: 760px) {
    .container-custom {
        width: min(100% - 1.25rem, 80rem);
    }

    .header-inner {
        min-height: 4.25rem;
    }

    .brand-copy em {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .site-nav {
        position: fixed;
        left: 0;
        right: 0;
        top: 4.25rem;
        display: grid;
        gap: 0.5rem;
        padding: 1rem;
        background: rgba(10, 14, 39, 0.98);
        border-bottom: 1px solid rgba(168, 181, 199, 0.12);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .site-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        padding: 0.9rem 1rem;
        border-radius: 0.9rem;
        background: rgba(255, 255, 255, 0.05);
    }

    .hero,
    .hero-content {
        min-height: 72vh;
    }

    .hero-content {
        padding-block: 5rem 5.6rem;
    }

    .hero-actions {
        align-items: stretch;
    }

    .hero-actions .btn {
        flex: 1 1 100%;
    }

    .hero-controls {
        right: 0.85rem;
        bottom: 1rem;
    }

    .hero-dots {
        left: 1rem;
        bottom: 1.25rem;
    }

    .movie-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.85rem;
    }

    .movie-card-body {
        padding: 0.8rem;
    }

    .movie-card p {
        font-size: 0.86rem;
    }

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

    .rank-card {
        grid-template-columns: 2.9rem 4.25rem 1fr;
        gap: 0.7rem;
    }

    .rank-cover img {
        width: 4.25rem;
    }

    .rank-info p {
        min-height: auto;
        -webkit-line-clamp: 1;
    }

    .filter-panel select {
        flex: 1 1 100%;
    }

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

    .cover-card {
        display: none;
    }

    .player-title {
        display: none;
    }
}

@media (max-width: 430px) {
    .movie-grid {
        grid-template-columns: 1fr;
    }

    .poster-link {
        aspect-ratio: 16 / 10;
    }
}