:root {
    --primary: #16d6b0;
    --primary-strong: #0ca184;
    --primary-soft: rgba(22, 214, 176, .14);
    --bg: #081215;
    --bg-deep: #050c0f;
    --surface: #111d22;
    --surface-2: #17262d;
    --card: rgba(255, 255, 255, .055);
    --line: rgba(255, 255, 255, .12);
    --text: #f3fbf9;
    --muted: #a9bfba;
    --dark-text: #10201f;
    --shadow: 0 22px 70px rgba(0, 0, 0, .34);
    --radius: 18px;
    --radius-lg: 24px;
    --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 12% 0%, rgba(22, 214, 176, .18), transparent 30%), var(--bg);
    line-height: 1.72;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
p { margin: 0 0 14px; color: var(--muted); }
h1, h2, h3 { margin: 0; line-height: 1.18; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 8vw, 4.7rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h3 { font-size: 1.15rem; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--line);
    background: rgba(8, 18, 21, .92);
    backdrop-filter: blur(18px);
}
.mobile-topbar {
    height: 62px;
    display: grid;
    grid-template-columns: 56px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
}
.menu-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, .06);
    display: grid;
    place-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 3px;
    background: var(--text);
}
.mobile-logo { justify-self: center; }
.mobile-logo img { width: 116px; height: auto; }
.top-action, .main-button, .ghost-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 800;
    transition: transform .2s ease, filter .2s ease, border-color .2s ease;
}
.top-action {
    min-width: 64px;
    min-height: 38px;
    padding: 8px 14px;
    background: var(--primary);
    color: var(--dark-text);
    box-shadow: 0 10px 26px rgba(22, 214, 176, .24);
}
.top-action:hover, .main-button:hover { filter: brightness(.85); transform: translateY(-1px); }
.desktop-topbar { display: none; }
.mobile-drawer {
    max-height: 0;
    overflow: hidden;
    display: grid;
    background: rgba(5, 12, 15, .98);
    border-top: 1px solid var(--line);
    transition: max-height .28s ease;
}
.mobile-drawer.open { max-height: 520px; }
.mobile-drawer a {
    padding: 14px 22px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: var(--muted);
}
.mobile-drawer a.active, .mobile-drawer a:hover { color: var(--primary); }
.search-icon {
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
    position: relative;
    flex: 0 0 auto;
}
.search-icon::before {
    content: "";
    width: 13px;
    height: 13px;
    border: 2px solid var(--muted);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 10px;
}
.search-icon::after {
    content: "";
    width: 9px;
    height: 2px;
    background: var(--muted);
    position: absolute;
    top: 24px;
    left: 23px;
    transform: rotate(45deg);
    border-radius: 2px;
}
main { min-height: 60vh; }
.movie-hero {
    min-height: 720px;
    padding: 86px 0 68px;
    background: linear-gradient(90deg, rgba(8,18,21,.92), rgba(8,18,21,.68), rgba(8,18,21,.28)), url('banner.webp') center/cover no-repeat;
    display: flex;
    align-items: center;
}
.hero-content { max-width: 760px; }
.section-kicker, .badge, .movie-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    border: 1px solid rgba(22,214,176,.26);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .06em;
}
.hero-content h1 { margin: 16px 0 18px; text-shadow: 0 12px 46px rgba(0,0,0,.45); }
.hero-content p { max-width: 650px; font-size: 1.04rem; color: #d5e6e2; }
.hero-actions { margin-top: 28px; }
.main-button {
    padding: 13px 22px;
    min-height: 48px;
    background: var(--primary);
    color: var(--dark-text);
    box-shadow: 0 16px 34px rgba(22, 214, 176, .24);
}
.ghost-link {
    padding: 10px 0;
    color: var(--primary);
    font-weight: 800;
}
.section-block { padding: 74px 0; }
.section-head {
    display: grid;
    gap: 14px;
    margin-bottom: 28px;
    max-width: 780px;
}
.section-head.center { text-align: center; margin-inline: auto; }
.category-grid, .service-grid, .data-grid, .cards-grid, .faq-grid {
    display: grid;
    gap: 18px;
}
.category-grid { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.movie-card, .service-card, .data-card, .info-card, .faq-item, .notice-box, .timeline-item {
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,.072), rgba(255,255,255,.035));
    border-radius: var(--radius);
    box-shadow: 0 16px 48px rgba(0,0,0,.18);
}
.movie-card { padding: 20px; display: grid; gap: 12px; min-height: 210px; }
.movie-badge { width: fit-content; }
.movie-card a { color: var(--primary); font-weight: 800; }
.service-card { padding: 22px; }
.service-card .label {
    display: inline-flex;
    margin-bottom: 14px;
    color: var(--dark-text);
    background: var(--primary);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: .76rem;
    font-weight: 900;
}
.split-section {
    display: grid;
    gap: 28px;
    align-items: center;
}
.media-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow);
}
.media-frame img { width: 100%; min-height: 280px; object-fit: cover; }
.feature-list { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.feature-list li {
    padding: 14px 16px;
    border-left: 3px solid var(--primary);
    background: rgba(255,255,255,.05);
    border-radius: 12px;
    color: #dfecea;
}
.data-chart-panel {
    display: grid;
    gap: 18px;
    padding: 22px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(22,214,176,.1), rgba(255,255,255,.04));
    box-shadow: var(--shadow);
}
.chart-row { display: grid; gap: 8px; }
.chart-row span { color: var(--muted); font-size: .9rem; }
.chart-bar { height: 12px; border-radius: 999px; background: rgba(255,255,255,.09); overflow: hidden; }
.chart-bar i { display: block; height: 100%; border-radius: inherit; background: var(--primary); }
.data-grid { grid-template-columns: 1fr; }
.data-card { padding: 18px; }
.data-card strong { display: block; font-size: 1.7rem; color: var(--primary); }
.device-showcase {
    border-radius: var(--radius-lg);
    padding: 24px;
    background: linear-gradient(135deg, rgba(22,214,176,.14), rgba(255,255,255,.045));
    border: 1px solid var(--line);
}
.security-section, .parental-guidance-section {
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.045);
}
.parental-guidance-section { background: linear-gradient(135deg, rgba(22,214,176,.11), rgba(255,255,255,.04)); }
.faq-grid { grid-template-columns: 1fr; }
.faq-item { padding: 20px; }
.faq-item h3 { margin-bottom: 8px; color: var(--text); }
.page-hero {
    padding: 86px 0 40px;
    background: radial-gradient(circle at 70% 10%, rgba(22,214,176,.15), transparent 34%), linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}
.page-hero .summary { max-width: 820px; font-size: 1.04rem; color: #d4e6e2; margin-top: 16px; }
.content-layout { display: grid; gap: 24px; }
.article-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,.05);
    padding: 24px;
}
.article-panel p { margin-bottom: 18px; }
.cards-grid { grid-template-columns: 1fr; }
.info-card { padding: 20px; }
.notice-box { padding: 22px; border-left: 4px solid var(--primary); }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; min-width: 620px; background: rgba(255,255,255,.045); }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); }
th { color: var(--primary); font-weight: 900; }
td { color: var(--muted); }
.checklist { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.checklist li { padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.055); border: 1px solid var(--line); color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); background: var(--bg-deep); }
.footer-cta { padding: 52px 0; background: linear-gradient(135deg, rgba(22,214,176,.22), rgba(255,255,255,.04)); }
.footer-cta-inner { display: grid; gap: 24px; align-items: center; }
.footer-main { display: grid; gap: 24px; padding: 42px 0; }
.footer-brand img { width: 130px; margin-bottom: 14px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--primary); }
.footer-legal { color: var(--muted); }
@media (min-width: 640px) {
    .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .service-grid, .cards-grid, .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .data-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 980px) {
    .mobile-topbar, .mobile-drawer { display: none; }
    .desktop-topbar {
        height: 76px;
        display: flex;
        align-items: center;
        gap: 22px;
    }
    .desktop-logo img { width: 142px; }
    .desktop-nav { display: flex; align-items: center; gap: 18px; flex: 1; justify-content: center; }
    .desktop-nav a { color: var(--muted); font-weight: 800; font-size: .92rem; position: relative; padding: 24px 0; }
    .desktop-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 16px; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: center; transition: transform .2s ease; }
    .desktop-nav a:hover, .desktop-nav a.active { color: var(--primary); }
    .desktop-nav a:hover::after, .desktop-nav a.active::after { transform: scaleX(1); }
    .movie-hero { min-height: 760px; padding-top: 120px; }
    .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .split-section { grid-template-columns: 1.05fr .95fr; }
    .split-section.reverse { grid-template-columns: .95fr 1.05fr; }
    .split-section.reverse .media-frame, .split-section.reverse .device-showcase { order: -1; }
    .content-layout { grid-template-columns: 1.35fr .65fr; align-items: start; }
    .cards-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-cta-inner { grid-template-columns: 1fr auto; }
    .footer-main { grid-template-columns: 1.1fr .7fr 1.1fr; }
}
@media (min-width: 1220px) {
    .desktop-nav { gap: 24px; }
    .category-grid.six { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
    .top-action { min-width: 58px; padding-inline: 12px; }
    .mobile-logo img { width: 104px; }
    .movie-hero { min-height: 620px; }
    .section-block { padding: 56px 0; }
}