:root {
    --primary: #d6a442;
    --primary-strong: #a87322;
    --bg: #0f121a;
    --bg-soft: #141a24;
    --surface: #171d28;
    --surface-2: #202838;
    --text: #f5f1e8;
    --muted: #bfb5a4;
    --ink: #17120c;
    --line: rgba(214, 164, 66, 0.22);
    --line-soft: rgba(245, 241, 232, 0.11);
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.33);
    --radius: 18px;
    --radius-lg: 24px;
    --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 18% -5%, rgba(214,164,66,.18), transparent 34%), linear-gradient(180deg, #0f121a 0%, #121824 55%, #0e131c 100%);
    overflow-x: hidden;
    line-height: 1.72;
}
body::selection { background: var(--primary); color: var(--ink); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
main { min-height: 70vh; }

.site-header, header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15,18,26,.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line-soft);
}
.mobile-header {
    min-height: 64px;
    padding: 10px 14px;
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 10px;
}
.logo img { width: 158px; height: auto; }
.mobile-logo { justify-self: center; }
.mobile-logo img { width: 138px; }
.menu-button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    background: rgba(245,241,232,.05);
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 0 11px;
    cursor: pointer;
}
.menu-button span {
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: var(--text);
    transition: transform .2s ease, opacity .2s ease;
}
.menu-button.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button.is-open span:nth-child(2) { opacity: 0; }
.menu-button.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.top-action-button, .main-button, .ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    min-height: 42px;
    padding: 10px 18px;
    font-weight: 800;
    letter-spacing: .02em;
    transition: filter .2s ease, transform .2s ease, border-color .2s ease;
}
.top-action-button, .main-button {
    background: var(--primary);
    color: var(--ink);
    box-shadow: 0 12px 28px rgba(214,164,66,.22);
}
.top-action-button:hover, .main-button:hover { filter: brightness(.85); transform: translateY(-1px); }
.ghost-button { border: 1px solid var(--line); color: var(--text); background: rgba(245,241,232,.04); }
.ghost-button:hover { border-color: var(--primary); }
.mobile-drawer {
    position: fixed;
    inset: 64px auto auto 0;
    width: min(86vw, 360px);
    min-height: calc(100vh - 64px);
    background: rgba(18,24,35,.98);
    border-right: 1px solid var(--line);
    transform: translateX(-105%);
    transition: transform .26s ease;
    box-shadow: var(--shadow);
}
.mobile-drawer.is-open { transform: translateX(0); }
.mobile-nav { display: grid; padding: 18px; gap: 6px; }
.nav-link {
    position: relative;
    padding: 12px 12px;
    border-radius: 14px;
    color: var(--muted);
    font-weight: 700;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: rgba(214,164,66,.10); }
.nav-link.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 5px; height: 2px; background: var(--primary); border-radius: 99px; }
.desktop-header { display: none; }
.search-icon {
    width: 38px;
    height: 38px;
    border: 1px solid var(--line-soft);
    border-radius: 50%;
    position: relative;
    flex: 0 0 auto;
}
.search-icon::before {
    content: "";
    position: absolute;
    width: 11px;
    height: 11px;
    border: 2px solid var(--text);
    border-radius: 50%;
    left: 10px;
    top: 9px;
}
.search-icon::after {
    content: "";
    position: absolute;
    width: 9px;
    height: 2px;
    background: var(--text);
    transform: rotate(45deg);
    left: 22px;
    top: 24px;
    border-radius: 99px;
}

.container, .section-inner, .footer-grid, .footer-bottom { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.section { padding: 58px 0; }
.section-header { margin: 0 auto 28px; width: min(820px, 100%); text-align: center; }
.section-header.align-left { text-align: left; margin-left: 0; }
.eyebrow, .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 5px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--primary);
    background: rgba(214,164,66,.09);
    font-weight: 800;
    font-size: .86rem;
}
h1, h2, h3 { line-height: 1.16; margin: 0 0 14px; }
h1 { font-size: clamp(2rem, 8vw, 4.8rem); letter-spacing: -.05em; }
h2 { font-size: clamp(1.65rem, 5vw, 3.1rem); letter-spacing: -.035em; }
h3 { font-size: 1.16rem; }
p { color: var(--muted); margin: 0 0 16px; }

.movie-hero, .banner-section {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(90deg, rgba(15,18,26,.92), rgba(15,18,26,.72), rgba(15,18,26,.42)), url('images/banner.webp') center/cover no-repeat;
}
.movie-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 170px;
    background: linear-gradient(0deg, var(--bg), transparent);
}
.hero-content { position: relative; z-index: 1; width: min(840px, calc(100% - 32px)); margin: 0 auto; padding: 82px 0; }
.hero-content p { font-size: clamp(1rem, 3vw, 1.22rem); width: min(660px, 100%); }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 28px 0; width: min(680px, 100%); }
.hero-stat { padding: 16px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: rgba(23,29,40,.72); }
.hero-stat strong { display: block; color: var(--text); font-size: 1.4rem; }
.hero-stat span { color: var(--muted); font-size: .88rem; }

.category-grid, .card-grid, .service-grid {
    display: grid;
    gap: 16px;
}
.category-grid { grid-template-columns: 1fr; }
.movie-card, .service-card, .info-card, .faq-item, .data-chart-panel, .notice-box, .step-card, .review-card {
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(245,241,232,.055), rgba(245,241,232,.025));
    box-shadow: 0 15px 42px rgba(0,0,0,.18);
}
.movie-card, .service-card, .info-card, .step-card, .review-card { padding: 22px; }
.movie-card { min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; }
.movie-card .card-link { color: var(--primary); font-weight: 900; margin-top: 10px; }
.movie-card:hover, .service-card:hover, .info-card:hover { border-color: var(--line); transform: translateY(-2px); transition: .2s ease; }
.card-badge { width: 46px; height: 46px; border-radius: 16px; background: rgba(214,164,66,.13); border: 1px solid var(--line); display: grid; place-items: center; font-weight: 900; color: var(--primary); margin-bottom: 16px; }
.service-grid { grid-template-columns: 1fr; }
.service-card h3 { color: var(--text); }
.service-card small { display: inline-flex; color: var(--ink); background: var(--primary); border-radius: 99px; padding: 3px 10px; font-weight: 900; margin-bottom: 12px; }

.feature-split, .content-split, .device-showcase, .security-section, .parental-guidance-section {
    display: grid;
    gap: 28px;
    align-items: center;
}
.feature-split img, .device-showcase img { border-radius: var(--radius-lg); border: 1px solid var(--line-soft); box-shadow: var(--shadow); }
.feature-list { display: grid; gap: 12px; margin-top: 18px; }
.feature-list li, .check-list li {
    color: var(--muted);
    padding: 10px 0 10px 30px;
    position: relative;
    list-style: none;
}
.feature-list li::before, .check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 16px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 5px rgba(214,164,66,.12);
}
.data-chart-panel { padding: 24px; }
.metric-row { display: grid; gap: 8px; margin: 18px 0; }
.metric-title { display: flex; justify-content: space-between; color: var(--text); font-weight: 800; }
.metric-bar { height: 10px; border-radius: 999px; background: rgba(245,241,232,.09); overflow: hidden; }
.metric-bar span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), #efcf83); }
.rating-stars { letter-spacing: 4px; color: var(--primary); font-size: 1.2rem; }
.trend-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 18px; }
.trend-table th, .trend-table td { padding: 14px 12px; border-bottom: 1px solid var(--line-soft); text-align: left; color: var(--muted); }
.trend-table th { color: var(--text); background: rgba(214,164,66,.08); }
.status-tag { display: inline-flex; padding: 4px 10px; border-radius: 99px; background: rgba(214,164,66,.12); color: var(--primary); font-weight: 800; }

.security-section, .parental-guidance-section { padding: 28px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: linear-gradient(135deg, rgba(214,164,66,.14), rgba(245,241,232,.035)); }
.notice-box { padding: 22px; border-color: var(--line); }
.notice-box strong { color: var(--text); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 20px; }
.faq-item h3 { color: var(--text); font-size: 1.04rem; }
.cta-section { padding: 64px 0; }
.cta-box { border-radius: 28px; padding: 34px; background: linear-gradient(135deg, var(--primary), #efcf83); color: var(--ink); box-shadow: 0 24px 60px rgba(214,164,66,.24); }
.cta-box p, .cta-box h2 { color: var(--ink); }
.cta-box .main-button { background: var(--ink); color: var(--text); }

.inner-hero, .page-hero {
    padding: 78px 0 44px;
    background: radial-gradient(circle at 85% 15%, rgba(214,164,66,.18), transparent 30%);
}
.page-hero .section-inner { display: grid; gap: 14px; }
.page-hero p { font-size: 1.08rem; width: min(820px, 100%); }
.content-prose { width: min(900px, 100%); }
.content-prose p { margin-bottom: 18px; }
.three { grid-template-columns: 1fr; }
.timeline { display: grid; gap: 14px; counter-reset: step; }
.timeline .step-card { counter-increment: step; position: relative; padding-left: 66px; }
.timeline .step-card::before { content: counter(step); position: absolute; left: 22px; top: 24px; width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: var(--ink); display: grid; place-items: center; font-weight: 900; }
.contact-grid { display: grid; gap: 16px; }

.site-footer, .footer {
    padding: 56px 0 22px;
    background: #0d1119;
    border-top: 1px solid var(--line-soft);
}
.footer-grid { display: grid; gap: 28px; }
.footer-grid h2 { font-size: 1rem; letter-spacing: 0; margin-bottom: 10px; }
.footer-grid a { display: block; color: var(--muted); margin: 8px 0; }
.footer-grid a:hover { color: var(--primary); }
.footer-logo img { width: 150px; margin-bottom: 14px; }
.footer-bottom { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line-soft); display: grid; gap: 8px; color: var(--muted); font-size: .9rem; }

@media (min-width: 640px) {
    .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .service-grid, .three, .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-stats { gap: 14px; }
}
@media (min-width: 960px) {
    .mobile-header, .mobile-drawer { display: none; }
    .desktop-header {
        width: min(1320px, calc(100% - 36px));
        margin: 0 auto;
        min-height: 78px;
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto auto;
        align-items: center;
        gap: 20px;
    }
    .desktop-logo img { width: 172px; }
    .desktop-nav { display: flex; align-items: center; justify-content: center; gap: 3px; min-width: 0; }
    .desktop-nav .nav-link { padding: 18px 9px; font-size: .92rem; white-space: nowrap; }
    .movie-hero { min-height: 760px; }
    .hero-content { margin-left: calc((100% - min(var(--max), calc(100% - 32px))) / 2); }
    .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .feature-split, .content-split, .device-showcase, .security-section, .parental-guidance-section { grid-template-columns: 1fr 1fr; }
    .feature-split.reverse > div:first-child { order: 2; }
    .three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; }
    .cta-box { padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
}
@media (min-width: 1180px) {
    .desktop-nav .nav-link { padding-left: 12px; padding-right: 12px; font-size: .96rem; }
}