:root {
  --primary: #2ec8bd;
  --primary-dark: #16857f;
  --primary-soft: rgba(46, 200, 189, 0.14);
  --accent: #d8a75f;
  --bg: #071010;
  --surface: #101c1d;
  --surface-strong: #172829;
  --text: #f3fbfa;
  --muted: #a9c2c1;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 0; overflow-x: hidden; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; background: radial-gradient(circle at top left, rgba(46,200,189,.12), transparent 32rem), var(--bg); color: var(--text); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
header, main, footer, section, article, nav { display: block; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(7,16,16,.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.mobile-header { height: 64px; display: grid; grid-template-columns: 52px 1fr 76px; align-items: center; padding: 0 14px; }
.desktop-header { display: none; }
.logo { display: inline-flex; align-items: center; }
.mobile-logo { justify-content: center; }
.logo-img { width: 112px; height: auto; object-fit: contain; }
.menu-button { width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-button span { width: 18px; height: 2px; background: var(--text); border-radius: 999px; }
.mobile-drawer { display: none; background: rgba(7,16,16,.98); border-bottom: 1px solid var(--border); }
.mobile-drawer.open { display: block; }
.mobile-nav, nav { width: 100%; }
.mobile-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; }
.mobile-nav a, .desktop-nav a { color: var(--muted); border-radius: 999px; transition: .2s ease; }
.mobile-nav a { padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); }
.mobile-nav a.active, .desktop-nav a.active, .mobile-nav a:hover, .desktop-nav a:hover { color: var(--text); background: var(--primary-soft); border-color: var(--primary); }
.search-icon { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; }
.search-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.top-action-button, .main-button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; background: var(--primary); color: #041111; font-weight: 800; border: 0; cursor: pointer; box-shadow: 0 10px 26px rgba(46,200,189,.18); }
.top-action-button { height: 38px; padding: 0 16px; font-size: 14px; }
.top-action-button:hover, .main-button:hover { filter: brightness(0.85); }
main { width: 100%; }
.movie-hero, .banner-section { min-height: 620px; display: grid; align-items: center; position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(7,16,16,.2), var(--bg)); }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .46; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,16,16,.92), rgba(7,16,16,.62), rgba(7,16,16,.22)); }
.hero-content { position: relative; z-index: 1; width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 82px 0; }
h1, h2, h3 { line-height: 1.18; margin: 0 0 16px; letter-spacing: -.02em; }
h1 { font-size: clamp(36px, 8vw, 72px); max-width: 920px; }
h2 { font-size: clamp(24px, 4vw, 38px); }
h3 { font-size: 20px; }
p { margin: 0 0 18px; color: var(--muted); }
.hero-content p { max-width: 760px; font-size: 18px; color: #d7ebea; }
.data-badge { display: inline-flex; align-items: center; width: fit-content; gap: 8px; padding: 7px 12px; border: 1px solid rgba(46,200,189,.45); color: var(--primary); background: var(--primary-soft); border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 16px; }
.main-button { min-height: 48px; padding: 0 24px; margin-top: 12px; }
.content-section { width: min(1120px, calc(100% - 32px)); margin: 72px auto; }
.page-main { padding-top: 28px; }
.page-hero { width: min(1120px, calc(100% - 32px)); margin: 42px auto 32px; padding: 46px; border: 1px solid var(--border); border-radius: 24px; background: linear-gradient(135deg, var(--surface-strong), rgba(46,200,189,.08)); box-shadow: 0 18px 50px var(--shadow); }
.page-hero p { max-width: 820px; font-size: 17px; }
.compact-hero { background: linear-gradient(135deg, rgba(46,200,189,.18), var(--surface)); }
.timeline-hero { background: linear-gradient(135deg, rgba(216,167,95,.15), var(--surface-strong)); }
.section-kicker { display: block; color: var(--accent); font-weight: 800; margin-bottom: 10px; }
.split-panel { display: grid; gap: 26px; align-items: center; grid-template-columns: 1fr; }
.split-panel img, .poster-card img { border-radius: 22px; border: 1px solid var(--border); box-shadow: 0 20px 60px var(--shadow); }
.reverse { direction: ltr; }
.category-grid, .responsive-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
.movie-card, .service-card, .info-card, .FAQ-item, .timeline-item { background: linear-gradient(180deg, var(--surface), rgba(16,28,29,.78)); border: 1px solid var(--border); border-radius: 20px; padding: 22px; box-shadow: 0 14px 34px rgba(0,0,0,.14); }
.movie-card h3, .service-card h3, .info-card h3 { color: var(--text); }
.service-card span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 30px; padding: 0 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 800; margin-bottom: 16px; }
.movie-card a, .service-card a, .info-card a, .text-link, .alert-box a { color: var(--primary); font-weight: 800; border-bottom: 1px solid transparent; }
.movie-card a:hover, .service-card a:hover, .info-card a:hover, .text-link:hover, .alert-box a:hover { border-bottom-color: var(--primary); }
.data-chart-panel { border: 1px solid var(--border); border-radius: 24px; padding: 28px; background: linear-gradient(135deg, rgba(46,200,189,.09), var(--surface)); }
.metric-grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
.metric-grid .info-card strong { display: block; font-size: 30px; color: var(--primary); margin-bottom: 4px; }
.metric-grid .info-card span { color: var(--muted); }
.vertical-metrics { align-self: stretch; }
.device-showcase { padding: 28px; border-radius: 24px; background: var(--surface-strong); border: 1px solid var(--border); }
.security-section .info-card, .parental-guidance-section .info-card { border-top: 3px solid var(--primary); }
.FAQ-item + .FAQ-item { margin-top: 14px; }
.FAQ-item h2 { font-size: 22px; }
.alert-box { border: 1px solid rgba(216,167,95,.38); background: rgba(216,167,95,.1); border-radius: 20px; padding: 24px; }
.trend-list { counter-reset: trend; }
.trend-list ol { margin: 0; padding-left: 22px; color: var(--muted); }
.trend-list li { margin: 12px 0; }
.timeline-list { display: grid; gap: 16px; }
.timeline-item { position: relative; padding-left: 28px; }
.timeline-item span { display: inline-flex; color: var(--primary); font-weight: 800; margin-bottom: 8px; }
.check-list { padding-left: 20px; margin: 0; color: var(--muted); }
.check-list li { margin: 8px 0; }
.editor-layout { display: grid; gap: 24px; align-items: center; grid-template-columns: 1fr; }
.cta-section { width: min(1120px, calc(100% - 32px)); margin: 78px auto; padding: 42px 24px; text-align: center; border-radius: 26px; background: linear-gradient(135deg, rgba(46,200,189,.18), rgba(216,167,95,.09)); border: 1px solid var(--border); }
.cta-section h2 { max-width: 820px; margin-left: auto; margin-right: auto; }
.cta-section p { max-width: 680px; margin-left: auto; margin-right: auto; }
.site-footer, footer { background: #050b0b; border-top: 1px solid var(--border); padding: 46px 16px 28px; }
.footer-grid { width: min(1120px, 100%); margin: 0 auto; display: grid; gap: 24px; grid-template-columns: 1fr; }
.footer-grid h2 { font-size: 18px; }
.footer-logo { width: 118px; margin-bottom: 14px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: 8px 0; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--primary); }
.footer-note { width: min(1120px, 100%); margin: 28px auto 0; }
.copyright-line { font-size: 13px; }
@media (min-width: 680px) {
  .category-grid, .responsive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .vertical-metrics { grid-template-columns: 1fr; }
  .editor-layout { grid-template-columns: 1fr .82fr; }
}
@media (min-width: 980px) {
  .mobile-header, .mobile-drawer { display: none !important; }
  .desktop-header { min-height: 78px; width: min(1220px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 24px; }
  .desktop-nav { display: flex; align-items: center; justify-content: center; gap: 8px; }
  .desktop-nav a { padding: 10px 14px; border: 1px solid transparent; font-size: 14px; }
  .header-tools { display: flex; align-items: center; gap: 12px; }
  .split-panel { grid-template-columns: 1fr 1fr; }
  .category-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .responsive-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr .8fr; }
  .movie-hero { min-height: 700px; }
}
@media (max-width: 420px) {
  .mobile-nav { grid-template-columns: 1fr; }
  .page-hero, .data-chart-panel, .device-showcase { padding: 22px; border-radius: 18px; }
  .logo-img { width: 100px; }
  h1 { font-size: 32px; }
}