* { 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;
    background: var(--bg);
    color: var(--text);
    line-height: 1.72;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header, header { position: sticky; top: 0; z-index: 1000; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); }
.mobile-header { min-height: 64px; display: grid; grid-template-columns: 52px 1fr 76px; align-items: center; padding: 8px 14px; position: relative; }
.desktop-header { display: none; }
.logo img { height: 34px; width: auto; object-fit: contain; }
.mobile-logo { justify-self: center; }
.menu-button { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 15px; display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 0 12px; cursor: pointer; background: var(--surface); }
.menu-button span { height: 2px; width: 100%; background: var(--text); border-radius: 99px; }
.top-action { display: inline-flex; align-items: center; justify-content: center; background: var(--primary); color: var(--primary-text); font-weight: 800; border-radius: 999px; min-height: 42px; padding: 0 18px; box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 36%, transparent); white-space: nowrap; }
.mobile-action { padding: 0 13px; min-height: 40px; font-size: 14px; justify-self: end; }
.top-action:hover, .main-button:hover, .text-link:hover { filter: brightness(.85); transform: translateY(-1px); }
.mobile-nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.drawer-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.44); opacity: 0; visibility: hidden; transition: .25s ease; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: min(82vw, 330px); height: 100vh; background: var(--surface); border-right: 1px solid var(--border); transform: translateX(-104%); transition: transform .25s ease; padding: 20px; display: flex; flex-direction: column; gap: 6px; box-shadow: 24px 0 60px rgba(0,0,0,.28); }
.mobile-drawer a { padding: 13px 12px; border-radius: 14px; color: var(--muted); font-weight: 700; }
.mobile-drawer a.active, .mobile-drawer a:hover { color: var(--text); background: color-mix(in srgb, var(--primary) 17%, transparent); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.drawer-head img { height: 34px; }
.drawer-close { color: var(--muted); border: 1px solid var(--border); padding: 6px 10px; border-radius: 12px; cursor: pointer; }
.mobile-nav-toggle:checked ~ .drawer-backdrop { opacity: 1; visibility: visible; }
.mobile-nav-toggle:checked ~ .mobile-drawer { transform: translateX(0); }
main { min-height: 70vh; }
.container, .section-inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.movie-hero, .banner-section { position: relative; min-height: 560px; display: flex; align-items: center; overflow: hidden; background-image: var(--hero-overlay), url('/banner.webp'); background-size: cover; background-position: center; }
.movie-hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 140px; background: linear-gradient(0deg, var(--bg), transparent); pointer-events: none; }
.hero-content { position: relative; z-index: 1; width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 80px 0; }
.eyebrow, .badge { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 900; letter-spacing: .08em; font-size: 13px; text-transform: uppercase; background: color-mix(in srgb, var(--primary) 14%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 36%, transparent); border-radius: 999px; padding: 7px 12px; }
h1 { font-size: clamp(34px, 8vw, 68px); line-height: 1.04; margin: 18px 0; letter-spacing: -.04em; }
.hero-content p, .lead { font-size: clamp(16px, 2.6vw, 20px); color: var(--muted); max-width: 760px; }
.main-button { display: inline-flex; align-items: center; justify-content: center; margin-top: 22px; background: var(--primary); color: var(--primary-text); min-height: 48px; padding: 0 24px; font-weight: 900; border-radius: 16px; box-shadow: 0 18px 40px color-mix(in srgb, var(--primary) 30%, transparent); transition: .2s ease; }
.content-section { padding: 64px 0; }
.section-title { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.section-title h2 { font-size: clamp(26px, 5vw, 42px); line-height: 1.12; margin: 0; letter-spacing: -.03em; }
.section-title p { margin: 8px 0 0; color: var(--muted); max-width: 640px; }
.category-grid, .card-grid, .service-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.movie-card, .service-card, .data-card, .faq-item, .feature-card, .info-card { background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, var(--primary) 6%), var(--surface)); border: 1px solid var(--border); border-radius: 22px; padding: 22px; box-shadow: 0 20px 60px rgba(0,0,0,.12); }
.movie-card h3, .service-card h3, .data-card h3, .feature-card h3, .info-card h3 { margin: 10px 0 8px; font-size: 21px; }
.movie-card p, .service-card p, .data-card p, .feature-card p, .info-card p, .faq-item p { color: var(--muted); margin: 0; }
.card-badge { width: 44px; height: 44px; border-radius: 15px; display: grid; place-items: center; background: var(--primary); color: var(--primary-text); font-weight: 1000; }
.text-link { display: inline-flex; margin-top: 16px; color: var(--primary); font-weight: 900; transition: .2s ease; }
.split-section { display: grid; grid-template-columns: 1fr; gap: 26px; align-items: center; }
.visual-panel { border-radius: 24px; overflow: hidden; border: 1px solid var(--border); background: var(--surface); box-shadow: 0 30px 80px rgba(0,0,0,.18); }
.visual-panel img { width: 100%; min-height: 240px; object-fit: cover; }
.data-chart-panel { background: radial-gradient(circle at top right, color-mix(in srgb, var(--primary) 20%, transparent), transparent 45%), var(--surface); border: 1px solid var(--border); border-radius: 24px; padding: 22px; }
.chart-row { display: grid; grid-template-columns: 86px 1fr 54px; gap: 12px; align-items: center; margin: 14px 0; color: var(--muted); }
.chart-bar { height: 10px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.chart-bar span { display: block; height: 100%; background: var(--primary); border-radius: inherit; }
.stats-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.stat { padding: 18px; border-radius: 18px; background: var(--surface-2); border: 1px solid var(--border); }
.stat strong { display: block; font-size: 28px; color: var(--primary); }
.device-showcase, .security-section, .parental-guidance-section { border: 1px solid var(--border); border-radius: 28px; padding: 26px; background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 14%, transparent), var(--surface)); }
.notice-box { border-left: 5px solid var(--primary); background: color-mix(in srgb, var(--primary) 10%, var(--surface)); border-radius: 18px; padding: 20px; color: var(--muted); }
.notice-box strong { color: var(--text); }
.faq-list { display: grid; gap: 14px; }
.faq-item h3 { margin: 0 0 8px; font-size: 19px; }
.bottom-cta { margin: 28px auto 76px; width: min(1180px, calc(100% - 32px)); padding: 34px; border-radius: 28px; background: radial-gradient(circle at top right, color-mix(in srgb, var(--primary) 34%, transparent), transparent 38%), var(--surface); border: 1px solid var(--border); text-align: center; }
.bottom-cta h2 { margin: 0 0 10px; font-size: clamp(26px, 5vw, 44px); }
.bottom-cta p { margin: 0 auto; max-width: 760px; color: var(--muted); }
.page-hero { padding: 72px 0 42px; background: radial-gradient(circle at top right, color-mix(in srgb, var(--primary) 18%, transparent), transparent 42%); }
.page-hero h1 { max-width: 920px; }
.page-layout { display: grid; grid-template-columns: 1fr; gap: 20px; }
.check-list { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.check-list li { padding: 14px 16px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--muted); }
.check-list li::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 10px; border-radius: 50%; background: var(--primary); }
.timeline { display: grid; gap: 14px; counter-reset: step; }
.timeline .step { counter-increment: step; padding: 20px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface); }
.timeline .step::before { content: counter(step); display: inline-grid; place-items: center; width: 30px; height: 30px; margin-right: 10px; border-radius: 50%; background: var(--primary); color: var(--primary-text); font-weight: 900; }
.site-footer { border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 88%, var(--surface)); padding: 48px 0 24px; }
.footer-grid { width: min(1180px, calc(100% - 32px)); margin: 0 auto; display: grid; gap: 26px; }
.footer-logo { height: 34px; width: auto; margin-bottom: 14px; }
.site-footer h3 { margin: 0 0 12px; }
.site-footer p, .site-footer a { color: var(--muted); }
.site-footer a { display: block; margin: 9px 0; }
.site-footer a:hover { color: var(--primary); }
.footer-bottom { width: min(1180px, calc(100% - 32px)); margin: 28px auto 0; padding-top: 20px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px; color: var(--muted); font-size: 14px; }
.search-icon { width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 14px; position: relative; flex: 0 0 auto; }
.search-icon::before { content: ""; position: absolute; width: 13px; height: 13px; border: 2px solid var(--text); border-radius: 50%; left: 9px; top: 8px; }
.search-icon::after { content: ""; position: absolute; width: 9px; height: 2px; background: var(--text); transform: rotate(45deg); left: 21px; top: 23px; border-radius: 2px; }
@media (min-width: 620px) {
    .category-grid, .card-grid, .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 960px) {
    .mobile-header { display: none; }
    .desktop-header { min-height: 76px; display: flex; align-items: center; gap: 24px; width: min(1280px, calc(100% - 48px)); margin: 0 auto; }
    .desktop-logo img { height: 40px; }
    .desktop-nav { display: flex; align-items: center; gap: 20px; flex: 1; min-width: 0; }
    .desktop-nav a { position: relative; color: var(--muted); font-weight: 800; font-size: 15px; padding: 26px 0; white-space: nowrap; }
    .desktop-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 18px; height: 3px; background: var(--primary); border-radius: 99px; transform: scaleX(0); transform-origin: center; transition: .2s ease; }
    .desktop-nav a.active, .desktop-nav a:hover { color: var(--text); }
    .desktop-nav a.active::after, .desktop-nav a:hover::after { transform: scaleX(1); }
    .movie-hero, .banner-section { min-height: 660px; }
    .hero-content { width: min(1180px, calc(100% - 48px)); }
    .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .split-section { grid-template-columns: 1.04fr .96fr; gap: 54px; }
    .split-section.reverse { grid-template-columns: .94fr 1.06fr; }
    .split-section.reverse .visual-panel { order: -1; }
    .page-layout { grid-template-columns: 1.25fr .75fr; gap: 28px; align-items: start; }
    .footer-grid { grid-template-columns: 1.4fr .8fr .8fr 1fr; }
    .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}
@media (min-width: 1180px) {
    .desktop-nav { gap: 24px; }
    .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
