:root {
  --bg: #fbfdff;
  --surface: rgba(255, 255, 255, .86);
  --text: #182033;
  --muted: #657089;
  --pink: #ff4fc3;
  --blue: #30c7ff;
  --violet: #8b5cff;
  --line: rgba(71, 89, 130, .14);
  --shadow: 0 24px 80px rgba(45, 76, 130, .15);
  --radius: 28px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 79, 195, .18), transparent 32rem),
    radial-gradient(circle at 88% 8%, rgba(48, 199, 255, .22), transparent 32rem),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 48%, #fff8fe 100%);
  line-height: 1.72;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.site-header { position: sticky; top: 0; z-index: 50; padding: 14px clamp(16px, 4vw, 56px); backdrop-filter: blur(20px); background: rgba(255,255,255,.78); border-bottom: 1px solid var(--line); }
.nav-shell { max-width: 1240px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: .04em; font-size: 1.08rem; }
.logo-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 16px; background: linear-gradient(135deg, var(--pink), var(--blue)); color: #fff; box-shadow: 0 12px 30px rgba(255, 79, 195, .32); }
.nav-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a { padding: 10px 14px; border-radius: 999px; font-size: .94rem; color: var(--muted); transition: .24s ease; }
.nav-links a:hover, .nav-links a.active { color: #111827; background: rgba(255, 79, 195, .10); box-shadow: inset 0 0 0 1px rgba(255, 79, 195, .16); }
.nav-toggle { display: none; border: 0; background: #fff; border-radius: 14px; padding: 8px 12px; box-shadow: var(--shadow); }
.search-shell { max-width: 1240px; margin: 14px auto 0; display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.search-shell input { width: 100%; border: 1px solid var(--line); border-radius: 999px; padding: 14px 18px; background: rgba(255,255,255,.92); outline: none; box-shadow: 0 10px 32px rgba(48,199,255,.08); }
.search-shell button, .btn { border: 0; cursor: pointer; padding: 14px 20px; border-radius: 999px; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--pink), var(--blue)); box-shadow: 0 16px 38px rgba(48, 199, 255, .22); }
.search-tip { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .92rem; }
.search-tip.is-active { color: #e01893; }
main { overflow: hidden; }
.section { max-width: 1240px; margin: 0 auto; padding: clamp(54px, 7vw, 96px) clamp(16px, 4vw, 28px); position: relative; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); align-items: center; gap: clamp(32px, 6vw, 72px); min-height: 680px; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; padding: 8px 14px; border-radius: 999px; color: #a01874; background: rgba(255, 79, 195, .10); border: 1px solid rgba(255, 79, 195, .18); font-weight: 800; }
h1, h2, h3 { line-height: 1.16; margin: 0 0 18px; }
h1 { font-size: clamp(2.7rem, 8vw, 6.2rem); letter-spacing: -.06em; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.04em; }
h3 { font-size: 1.2rem; }
.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--muted); max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn.secondary { background: #fff; color: #172033; box-shadow: inset 0 0 0 1px var(--line), 0 16px 38px rgba(71, 89, 130, .10); }
.hero-card { position: relative; padding: 14px; border-radius: 36px; background: linear-gradient(135deg, rgba(255,255,255,.7), rgba(255,255,255,.3)); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.8); }
.hero-card::before { content: ""; position: absolute; inset: -18%; background: conic-gradient(from 180deg, rgba(255,79,195,.28), rgba(48,199,255,.18), rgba(139,92,255,.22), rgba(255,79,195,.28)); filter: blur(58px); z-index: -1; animation: floatGlow 8s ease-in-out infinite; }
@keyframes floatGlow { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-18px) rotate(8deg); } }
.video-card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 18px 54px rgba(45,76,130,.11); transition: transform .28s ease, box-shadow .28s ease; }
.video-card:hover { transform: translateY(-8px); box-shadow: 0 28px 74px rgba(45,76,130,.18); }
.video-frame { aspect-ratio: 16 / 9; position: relative; overflow: hidden; border-radius: calc(var(--radius) - 8px); margin: 10px; background: #eef7ff; }
.video-frame video, .video-frame img { width: 100%; height: 100%; object-fit: cover; }
.video-frame video { position: absolute; inset: 0; }
.play-badge { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.82); display: grid; place-items: center; width: 76px; height: 76px; border-radius: 999px; color: #fff; opacity: 0; background: rgba(17, 24, 39, .50); backdrop-filter: blur(12px); transition: .25s ease; font-size: 1.8rem; }
.video-card:hover .play-badge { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.neon-line { position: absolute; inset: auto 18px 18px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--pink), var(--blue)); transform: scaleX(0); transform-origin: left; transition: .28s ease; }
.video-card:hover .neon-line { transform: scaleX(1); }
.video-body { padding: 12px 20px 22px; }
.tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: rgba(48,199,255,.11); color: #0578a8; font-weight: 800; font-size: .82rem; margin-bottom: 10px; }
.metrics { display: flex; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; }
.grid { display: grid; gap: 22px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 18px 54px rgba(45,76,130,.09); padding: clamp(22px, 3vw, 32px); }
.bento { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; }
.topic-list { display: grid; gap: 14px; }
.topic { padding: 18px; border-radius: 22px; background: rgba(255,255,255,.72); border: 1px solid var(--line); }
.topic strong { display: block; margin-bottom: 6px; }
.topic span { color: var(--muted); font-size: .92rem; }
.stat-strip { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-top: 28px; }
.stat { padding: 20px; border-radius: 24px; background: rgba(255,255,255,.74); border: 1px solid var(--line); text-align: center; }
.stat strong { display: block; font-size: 1.8rem; }
.review { min-height: 190px; }
.partner-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.partner { display: grid; place-items: center; min-height: 92px; border-radius: 22px; background: linear-gradient(135deg, rgba(255,79,195,.10), rgba(48,199,255,.10)); border: 1px solid var(--line); font-weight: 900; text-align: center; }
.faq-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-item:last-child { border-bottom: 0; }
.contact-card { display: grid; gap: 12px; }
.breadcrumb { max-width: 1240px; margin: 0 auto; padding: 26px clamp(16px, 4vw, 28px) 0; color: var(--muted); }
.breadcrumb a { color: #aa1d86; font-weight: 800; }
.page-hero { padding-top: 56px; min-height: auto; }
.site-footer { padding: clamp(42px, 6vw, 76px) clamp(16px, 4vw, 56px); background: #111827; color: #e9eefb; }
.footer-grid { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr .8fr .9fr .9fr; gap: 28px; }
.site-footer a { display: block; color: #e9eefb; margin: 8px 0; }
.site-footer p { color: #b9c2d5; }
.footer-logo { margin-bottom: 16px; }
.qr-row { display: flex; gap: 12px; }
.qr-box { width: 92px; height: 92px; border-radius: 18px; display: grid; place-items: center; text-align: center; background: linear-gradient(135deg, rgba(255,79,195,.25), rgba(48,199,255,.25)); border: 1px solid rgba(255,255,255,.16); }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.pill-list span { border-radius: 999px; padding: 8px 12px; background: rgba(139,92,255,.10); color: #5d43c7; font-weight: 800; }
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; width: 100%; flex-direction: column; align-items: stretch; padding-top: 12px; }
  .nav-links.is-open { display: flex; }
  .nav-shell { flex-wrap: wrap; }
  .hero, .bento, .grid.two { grid-template-columns: 1fr; }
  .grid.three, .stat-strip, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .search-shell { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-header { position: relative; }
  .grid.three, .stat-strip, .footer-grid, .partner-wall { grid-template-columns: 1fr; }
  h1 { font-size: 2.65rem; }
  .hero { min-height: auto; }
  .section { padding-top: 50px; padding-bottom: 50px; }
}