:root {
  --primary: #2dddd7;
  --primary-dark: #17a5a4;
  --primary-soft: rgba(45, 221, 215, 0.14);
  --accent: #ecb55c;
  --bg: #07131a;
  --surface: #0e2029;
  --surface-strong: #132e39;
  --text: #f4fbfb;
  --muted: #a8bbc0;
  --border: rgba(255,255,255,0.12);
  --shadow: rgba(0,0,0,0.22);
}
* { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; background: radial-gradient(circle at top left, rgba(45,221,215,0.12), 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, section, article, footer, nav { display: block; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(7, 19, 26, 0.92); border-bottom: 1px solid var(--border); backdrop-filter: blur(14px); }
.mobile-header { height: 64px; display: grid; grid-template-columns: 48px 1fr 76px; align-items: center; padding: 0 14px; gap: 8px; }
.desktop-header { display: none; }
.logo { width: 118px; height: auto; object-fit: contain; }
.mobile-logo { justify-self: center; display: flex; justify-content: center; }
.menu-button { width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; color: var(--text); cursor: pointer; }
.menu-button span { width: 18px; height: 2px; background: currentColor; border-radius: 2px; }
.top-action-button { display: inline-flex; justify-content: center; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 999px; background: var(--primary); color: #062024; font-weight: 800; box-shadow: 0 10px 24px var(--shadow); }
.top-action-button:hover, .main-button:hover { filter: brightness(0.85); }
.mobile-panel { position: fixed; top: 64px; left: 0; width: min(84vw, 340px); height: calc(100vh - 64px); background: rgba(9, 27, 36, 0.98); transform: translateX(-105%); transition: transform .24s ease; border-right: 1px solid var(--border); padding: 18px; overflow-y: auto; }
.mobile-panel.open { transform: translateX(0); }
.mobile-nav, nav { display: flex; flex-direction: column; gap: 8px; }
.mobile-nav a, .desktop-nav a { color: var(--muted); padding: 11px 13px; border-radius: 12px; font-weight: 700; }
.mobile-nav a.active, .mobile-nav a:hover, .desktop-nav a.active, .desktop-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.search-icon { color: var(--muted); display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 999px; }
main { width: 100%; }
.content-section, .page-hero, .movie-hero, .cta-section { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.movie-hero { display: grid; gap: 22px; padding: 34px 0 28px; }
.banner-section { min-height: 560px; align-items: center; }
.hero-media { min-height: 260px; border-radius: 24px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 24px 60px var(--shadow); }
.hero-media img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; }
.hero-copy { background: linear-gradient(180deg, rgba(14,32,41,.88), rgba(14,32,41,.66)); border: 1px solid var(--border); border-radius: 24px; padding: 24px; }
h1, h2, h3 { line-height: 1.22; margin: 0 0 12px; }
h1 { font-size: clamp(2rem, 8vw, 4.6rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(1.55rem, 5vw, 2.5rem); }
h3 { font-size: 1.13rem; }
p { margin: 0 0 14px; color: var(--muted); }
.data-badge { display: inline-flex; width: fit-content; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; color: var(--primary); background: var(--primary-soft); border: 1px solid rgba(45,221,215,.28); font-size: .86rem; font-weight: 800; margin-bottom: 14px; }
.main-button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 999px; background: var(--primary); color: #062024; font-weight: 900; margin-top: 8px; }
.content-section { padding: 46px 0; }
.section-heading { display: flex; flex-direction: column; gap: 4px; margin-bottom: 20px; }
.responsive-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.category-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.category-grid .section-heading { grid-column: 1 / -1; }
.movie-card, .service-card, .info-card, .faq-item, .alert-box { background: linear-gradient(180deg, var(--surface), rgba(14,32,41,.78)); border: 1px solid var(--border); border-radius: 20px; padding: 18px; box-shadow: 0 14px 34px var(--shadow); }
.movie-card img { border-radius: 16px; aspect-ratio: 16/10; object-fit: cover; margin-bottom: 14px; }
.movie-card a, .service-card a, .content-section > a, .inline-links a, .device-showcase a, .parental-guidance-section a { color: var(--primary); font-weight: 800; }
.service-card { min-height: 170px; transition: transform .18s ease, border-color .18s ease; }
.service-card:hover { transform: translateY(-3px); border-color: rgba(45,221,215,.4); }
.data-chart-panel { background: linear-gradient(135deg, rgba(45,221,215,.09), rgba(236,181,92,.05)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.metric { display: block; font-size: 2.1rem; color: var(--primary); font-weight: 900; margin: 10px 0; }
.wide-image { border-radius: 22px; border: 1px solid var(--border); margin-top: 20px; box-shadow: 0 18px 44px var(--shadow); }
.timeline { display: grid; gap: 14px; }
.timeline article { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 18px; }
.timeline time { color: var(--accent); font-weight: 900; }
.device-showcase { display: grid; gap: 22px; align-items: center; background: var(--surface-strong); border: 1px solid var(--border); border-radius: 24px; padding: 24px; }
.device-showcase img { border-radius: 20px; border: 1px solid var(--border); }
.security-section .alert-box { border-color: rgba(236,181,92,.35); }
.parental-guidance-section { background: rgba(45,221,215,.06); border: 1px solid var(--border); border-radius: 24px; padding: 24px; }
.trend-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.trend-list li { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 14px 16px; color: var(--muted); }
.trend-list strong { color: var(--text); }
.page-hero { padding: 46px 0 20px; }
.article-body { max-width: 900px; }
.article-body p { font-size: 1.05rem; }
.inline-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.inline-links a { padding: 9px 12px; border-radius: 999px; background: var(--primary-soft); border: 1px solid rgba(45,221,215,.24); }
.faq-list { display: grid; gap: 16px; }
.faq-item h2 { font-size: 1.15rem; }
.cta-section { margin-top: 28px; margin-bottom: 52px; padding: 34px 24px; border-radius: 26px; text-align: center; background: radial-gradient(circle at top, rgba(45,221,215,.18), transparent 60%), var(--surface-strong); border: 1px solid var(--border); }
.site-footer { background: #051015; border-top: 1px solid var(--border); padding: 34px 16px 26px; }
.footer-grid { width: min(1180px, 100%); margin: 0 auto; display: grid; gap: 20px; }
.footer-grid h2, .footer-grid h3 { color: var(--text); }
.footer-links { width: min(1180px, 100%); margin: 22px auto 0; display: flex; flex-wrap: wrap; gap: 10px; }
.footer-links a { color: var(--muted); border: 1px solid var(--border); padding: 8px 11px; border-radius: 999px; }
.footer-links a:hover { color: var(--primary); border-color: rgba(45,221,215,.35); }
.copyright { color: var(--accent); }
@media (min-width: 640px) {
  .responsive-grid.two, .responsive-grid.three, .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .movie-hero { grid-template-columns: 1.1fr .9fr; }
  .hero-copy { align-self: center; margin-left: -80px; }
  .device-showcase { grid-template-columns: .85fr 1.15fr; padding: 30px; }
}
@media (min-width: 980px) {
  .mobile-header, .mobile-panel { display: none; }
  .desktop-header { height: 78px; width: min(1240px, calc(100% - 36px)); margin: 0 auto; display: grid; grid-template-columns: 230px 1fr 128px; align-items: center; gap: 18px; }
  .brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 900; white-space: nowrap; }
  .brand .logo { width: 104px; }
  .desktop-nav { display: flex; flex-direction: row; justify-content: center; gap: 4px; }
  .desktop-nav a { padding: 9px 10px; font-size: .94rem; white-space: nowrap; }
  .header-tools { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
  .responsive-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .responsive-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .category-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .timeline { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (min-width: 1180px) {
  .desktop-nav a { padding: 10px 12px; }
  .banner-section { min-height: 660px; }
}