:root {
  --primary: #0fb8a8;
  --primary-dark: #08786f;
  --primary-soft: rgba(15, 184, 168, 0.16);
  --accent: #f4b860;
  --bg: #081113;
  --surface: #101b1f;
  --surface-strong: #16262b;
  --text: #f2fbfa;
  --muted: #a8c2c2;
  --border: rgba(255,255,255,0.1);
  --shadow: rgba(0, 0, 0, 0.24);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: radial-gradient(circle at 18% 0%, rgba(15,184,168,.18), transparent 34%), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.72;
}
body a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
header, main, section, article, footer, nav { display: block; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--border); background: rgba(8,17,19,.9); backdrop-filter: blur(18px); }
.mobile-header { height: 64px; padding: 0 14px; display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 10px; }
.desktop-header { display: none; }
.logo img { width: 112px; height: auto; object-fit: contain; }
.mobile-logo { justify-self: center; }
.menu-button { width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); display: grid; place-items: center; gap: 0; padding: 10px; cursor: pointer; }
.menu-button span { width: 19px; height: 2px; background: var(--text); border-radius: 2px; display: block; 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); }
nav a { color: var(--muted); transition: color .2s ease, background .2s ease; }
nav a:hover, nav a.active { color: var(--text); background: var(--primary-soft); }
.mobile-drawer { max-height: 0; overflow: hidden; display: grid; gap: 8px; padding: 0 14px; background: rgba(8,17,19,.98); transition: max-height .25s ease, padding .25s ease; }
.mobile-drawer.is-open { max-height: 580px; padding: 8px 14px 18px; }
.mobile-drawer a { padding: 12px 14px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,.03); }
.search-icon { width: 40px; height: 40px; display: inline-grid; place-items: center; color: var(--muted); border: 1px solid var(--border); border-radius: 14px; }
.search-icon svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.top-action-button, .main-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 0 18px; border-radius: 999px; background: var(--primary); color: #021111; font-weight: 800; box-shadow: 0 12px 28px var(--shadow); }
.top-action-button:hover, .main-button:hover { filter: brightness(0.85); }
main { overflow-x: hidden; }
.content-section, .banner-section, .movie-hero, .page-hero, .cta-section { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.movie-hero { min-height: 620px; display: grid; align-items: center; padding: 72px 0 38px; }
.hero-shell { position: relative; overflow: hidden; border-radius: 24px; min-height: 560px; background: linear-gradient(95deg, rgba(8,17,19,.95), rgba(8,17,19,.45)), url('/banner.webp') center/cover no-repeat; border: 1px solid var(--border); box-shadow: 0 24px 60px var(--shadow); }
.hero-content { max-width: 680px; padding: 42px 28px; position: relative; z-index: 1; }
.hero-kicker, .section-kicker, .page-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); background: rgba(244,184,96,.12); border: 1px solid rgba(244,184,96,.28); border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 800; }
h1, h2, h3 { line-height: 1.18; margin: 0; }
h1 { font-size: clamp(34px, 8vw, 74px); letter-spacing: -1.8px; margin-top: 18px; }
h2 { font-size: clamp(25px, 4vw, 42px); letter-spacing: -0.8px; margin-bottom: 12px; }
h3 { font-size: 19px; margin-bottom: 8px; }
p { margin: 0 0 14px; color: var(--muted); }
.hero-content p { font-size: 17px; color: #d7eeee; max-width: 620px; margin: 18px 0 26px; }
.hero-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 28px; max-width: 600px; }
.hero-stats .data-badge { background: rgba(255,255,255,.06); }
.content-section { padding: 38px 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 22px; }
.section-head p { max-width: 620px; }
.responsive-grid, .category-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.movie-card, .service-card, .info-card, .data-chart-panel, .security-section, .parental-guidance-section, .faq-item, .alert-box { border: 1px solid var(--border); background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025)); border-radius: var(--radius); box-shadow: 0 16px 34px var(--shadow); }
.movie-card, .service-card, .info-card { padding: 20px; min-height: 150px; }
.movie-card img, .service-card img { border-radius: 14px; margin-bottom: 14px; aspect-ratio: 16/10; object-fit: cover; }
.card-link, .text-link { color: var(--primary); font-weight: 800; }
.card-link:hover, .text-link:hover { filter: brightness(0.85); }
.data-chart-panel { padding: 22px; overflow: hidden; }
.chart-bars { display: grid; gap: 12px; margin-top: 18px; }
.chart-row { display: grid; grid-template-columns: 96px 1fr 44px; gap: 12px; align-items: center; color: var(--muted); font-size: 14px; }
.chart-line { height: 10px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.chart-line span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.device-showcase { display: grid; grid-template-columns: 1fr; gap: 20px; align-items: center; }
.device-showcase img { border-radius: 22px; border: 1px solid var(--border); box-shadow: 0 20px 40px var(--shadow); }
.security-section, .parental-guidance-section { padding: 24px; }
.parental-guidance-section { background: linear-gradient(120deg, rgba(15,184,168,.14), rgba(244,184,96,.08)); }
.alert-box { padding: 18px 20px; border-left: 4px solid var(--primary); background: var(--primary-soft); }
.data-badge { padding: 16px; border-radius: 16px; border: 1px solid var(--border); background: var(--surface-strong); }
.data-badge strong { display: block; color: var(--text); font-size: 28px; }
.trend-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.trend-list li { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); color: var(--muted); }
.trend-list b { color: var(--text); }
.page-hero { padding: 64px 0 26px; }
.page-hero p { max-width: 760px; font-size: 17px; }
.badge-line { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 0; }
.badge-line span { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 6px 11px; color: var(--muted); font-size: 13px; }
.timeline { display: grid; gap: 16px; border-left: 1px solid var(--border); padding-left: 18px; }
.timeline article { position: relative; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.timeline article:before { content: ''; position: absolute; left: -25px; top: 22px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.check-list li { padding-left: 28px; position: relative; color: var(--muted); }
.check-list li:before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.faq-list { display: grid; gap: 16px; }
.faq-item { padding: 20px; }
.cta-section { margin-top: 36px; margin-bottom: 56px; padding: 30px; border-radius: 24px; border: 1px solid var(--border); background: radial-gradient(circle at 70% 0%, rgba(15,184,168,.22), transparent 40%), var(--surface); text-align: center; }
.cta-section p { max-width: 720px; margin-left: auto; margin-right: auto; }
.site-footer { background: #050b0d; border-top: 1px solid var(--border); padding: 36px 16px 20px; }
.footer-grid { width: min(1160px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 22px; }
.footer-grid h2 { font-size: 18px; }
.footer-note { color: var(--accent); }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.footer-links a, .site-footer a { color: var(--primary); }
.footer-bottom { width: min(1160px, 100%); margin: 22px auto 0; padding-top: 18px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; color: var(--muted); font-size: 13px; }
@media (min-width: 680px) {
  .responsive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (min-width: 980px) {
  .mobile-header, .mobile-drawer { display: none; }
  .desktop-header { height: 78px; width: min(1220px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 22px; }
  .desktop-logo img { width: 132px; }
  .desktop-nav { display: flex; justify-content: center; align-items: center; gap: 4px; }
  .desktop-nav a { padding: 10px 12px; border-radius: 999px; font-size: 15px; }
  .responsive-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .device-showcase { grid-template-columns: .95fr 1.05fr; }
  .footer-grid { grid-template-columns: 1.25fr 1fr 1fr 1fr; }
  .hero-content { padding: 64px; }
}