/* Design Reminder: 数字片场未来现实主义。每一处样式都应强化监看器、时间码、波形与专业片场质感，避免普通企业站的居中模板感。 */
:root {
  --bg: #090e14;
  --panel: rgba(13, 20, 28, 0.86);
  --panel-strong: rgba(7, 12, 18, 0.94);
  --line: rgba(112, 231, 255, 0.22);
  --line-strong: rgba(112, 231, 255, 0.42);
  --text: #f3f5f7;
  --muted: #98a7b3;
  --cyan: #70e7ff;
  --cyan-2: #17b4d2;
  --peach: #ff9f74;
  --silver: #dfe7ef;
  --shadow: 0 30px 80px rgba(0,0,0,.35);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(23,180,210,.18), transparent 25%),
    radial-gradient(circle at 20% 0%, rgba(255,159,116,.08), transparent 22%),
    linear-gradient(180deg, #081018 0%, #090d14 34%, #070b11 100%);
  color: var(--text);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.micro-copy, .eyebrow { letter-spacing: .18em; text-transform: uppercase; font-size: 12px; color: var(--cyan); }
.skip-link { position:absolute; left:-9999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 99; background:#fff; color:#000; padding:8px 12px; }
.site-shell { position: relative; overflow: hidden; }
.site-shell::before {
  content: "";
  position: fixed; inset: 0;
  background-image: linear-gradient(rgba(112,231,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(112,231,255,.05) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(circle at center, black 28%, transparent 85%);
  pointer-events: none; opacity: .22;
}
header.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(6, 9, 13, 0.82);
  border-bottom: 1px solid rgba(112,231,255,.12);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 18px 0 14px;
}
.brand-mark { display:flex; align-items:center; gap:14px; min-width: 0; }
.brand-mark img { width: 164px; height: auto; }
.brand-chip {
  display:inline-flex; align-items:center; gap:10px; color:var(--muted); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
}
.brand-dot { width:10px; height:10px; border-radius:50%; background:var(--peach); box-shadow: 0 0 16px rgba(255,159,116,.7); }
.main-nav { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:10px; }
.main-nav a {
  padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.02);
  border: 1px solid transparent; color: var(--silver); font-size: 14px;
  transition: .28s ease;
}
.main-nav a:hover, .main-nav a.current { border-color: rgba(112,231,255,.25); color: var(--cyan); background: rgba(112,231,255,.06); }
.search-row {
  display:grid; grid-template-columns: 1.3fr .7fr; gap: 14px; padding: 0 0 18px;
}
.search-panel, .search-ticker {
  background: linear-gradient(180deg, rgba(13,20,28,.78), rgba(8,12,19,.92));
  border: 1px solid rgba(112,231,255,.14); border-radius: 18px; padding: 14px 16px;
  box-shadow: var(--shadow);
}
.search-panel form { display:flex; gap:12px; align-items:center; }
.search-panel input {
  width:100%; background: rgba(255,255,255,.02); border:1px solid rgba(255,255,255,.08); border-radius: 14px;
  color:#fff; padding:14px 16px; font-size:15px;
}
.search-panel button, .ghost-btn, .primary-btn, .share-button {
  border:none; border-radius: 14px; padding: 14px 18px; cursor:pointer; font-weight:700; font-size:14px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.search-panel button, .primary-btn {
  background: linear-gradient(135deg, var(--cyan), #92f0ff); color:#041018; box-shadow: 0 14px 40px rgba(112,231,255,.24);
}
.search-panel button:hover, .primary-btn:hover, .ghost-btn:hover, .share-button:hover { transform: translateY(-2px); }
.search-ticker { display:flex; gap:12px; align-items:center; justify-content:space-between; font-size:14px; color:var(--muted); }
.search-ticker strong { color: var(--silver); }
.hero {
  padding: 42px 0 42px;
}
.hero-grid {
  display:grid; grid-template-columns: .92fr 1.08fr; gap: 24px; align-items: stretch;
}
.hero-copy {
  padding: 30px; background: linear-gradient(180deg, rgba(9,14,20,.75), rgba(6,10,16,.98));
  border:1px solid rgba(112,231,255,.12); border-radius: 28px; box-shadow: var(--shadow); position:relative; overflow:hidden;
}
.hero-copy::after {
  content:"REC 00:14:08"; position:absolute; right:24px; top:20px; color: rgba(255,255,255,.25); letter-spacing:.14em; font-size:12px;
}
.hero-copy h1 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.05; margin: 18px 0 20px;
}
.hero-copy h1 span { color: var(--cyan); }
.hero-copy p { color: #ccd6de; font-size: 17px; max-width: 58ch; }
.hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin: 28px 0 24px; }
.ghost-btn { background: rgba(255,255,255,.04); color:#fff; border:1px solid rgba(255,255,255,.08); }
.stats-grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stat-card {
  background: rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.06); border-radius: 18px; padding: 16px;
}
.stat-card strong { display:block; font-size: 28px; color: var(--cyan); }
.stat-card span { color: var(--muted); font-size: 14px; }
.hero-visual {
  position:relative; min-height: 640px; border-radius: 28px; overflow:hidden; border:1px solid rgba(112,231,255,.16); box-shadow: var(--shadow);
}
.hero-visual img { width:100%; height:100%; object-fit:cover; }
.hero-overlay {
  position:absolute; inset:0; background:
    linear-gradient(90deg, rgba(6,10,16,.85) 0%, rgba(6,10,16,.28) 42%, rgba(6,10,16,.18) 100%),
    linear-gradient(180deg, rgba(11,17,24,.25), rgba(11,17,24,.45));
}
.hero-monitor {
  position:absolute; left: 24px; bottom: 24px; display:flex; gap: 14px; align-items:flex-end; width: min(92%, 620px);
}
.timecode-card, .signal-card {
  flex:1; background: rgba(6,10,16,.72); backdrop-filter: blur(18px); border:1px solid rgba(112,231,255,.16); border-radius: 18px; padding: 16px;
}
.signal-bars { display:flex; align-items:flex-end; gap:7px; height:78px; }
.signal-bars span { flex:1; background: linear-gradient(180deg, var(--cyan), var(--peach)); border-radius: 999px; opacity:.95; }
.wave-note { color:var(--muted); font-size:13px; margin-top:10px; }
section { padding: 54px 0; }
.section-head { display:grid; grid-template-columns: .8fr 1.2fr; gap: 20px; align-items:end; margin-bottom: 22px; }
.section-head h2 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.1;
}
.section-head p { color: var(--muted); margin: 0; }
.feature-grid, .editorial-grid, .faq-grid, .review-grid, .card-grid, .contact-grid, .foot-grid { display:grid; gap: 18px; }
.feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.video-card {
  position:relative; min-height: 360px; border-radius: 24px; overflow:hidden; border:1px solid rgba(112,231,255,.12);
  background: linear-gradient(180deg, rgba(8,12,18,.66), rgba(4,8,14,.96)); box-shadow: var(--shadow);
}
.video-poster { position:absolute; inset:0; background-size: cover; background-position:center; filter: brightness(.72) saturate(.92); transition: transform .45s ease, filter .45s ease; }
.video-scrim { position:absolute; inset:0; background: linear-gradient(180deg, rgba(4,8,14,.12) 0%, rgba(4,8,14,.72) 54%, rgba(4,8,14,.96) 100%); }
.video-body { position:relative; z-index:2; display:flex; flex-direction:column; justify-content:flex-end; min-height: 360px; padding: 22px; }
.video-meta { display:flex; flex-wrap:wrap; gap: 8px; color: var(--muted); font-size:13px; }
.video-body h3 { margin: 12px 0 10px; font-size: 24px; line-height: 1.25; }
.video-body p { margin:0 0 14px; color:#d2dbe2; }
.play-ring {
  position:absolute; inset:auto auto 22px 22px; width:72px; height:72px; border-radius:50%;
  background: rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); backdrop-filter: blur(12px);
  display:grid; place-items:center; z-index:3; transition:.32s ease;
}
.play-ring::before {
  content:""; border-left:22px solid var(--cyan); border-top:14px solid transparent; border-bottom:14px solid transparent; margin-left:6px;
}
.video-progress { height: 4px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 18px; }
.video-progress span { display:block; width: 26%; height:100%; background: linear-gradient(90deg, var(--cyan), var(--peach)); }
.video-card:hover .video-poster { transform: scale(1.08); filter: brightness(.84) saturate(1); }
.video-card:hover .play-ring { transform: scale(1.08); box-shadow: 0 0 0 10px rgba(112,231,255,.08); }
.category-strip { display:grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap:18px; }
.category-card, .editorial-card, .json-card, .review-card, .faq-item, .contact-card, .share-card, .sub-hero-card, .timeline-item {
  background: linear-gradient(180deg, rgba(13,20,28,.72), rgba(7,12,18,.94)); border:1px solid rgba(112,231,255,.14); border-radius: 24px; box-shadow: var(--shadow);
}
.category-card { padding: 22px; }
.category-card h3 { margin: 8px 0 16px; font-size: 22px; }
.category-card li { margin-bottom: 10px; color:#d8e0e7; }
.editorial-grid { grid-template-columns: 1.08fr .92fr; }
.editorial-card { padding: 24px; position:relative; overflow:hidden; }
.editorial-card img { border-radius: 18px; height: 300px; object-fit: cover; width: 100%; }
.signal-mini { position:absolute; right:24px; top:20px; color: rgba(255,255,255,.28); font-size:12px; letter-spacing:.14em; }
.json-stack { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.json-card { padding: 18px; }
.json-card h3 { margin: 0 0 12px; font-size: 21px; }
.json-card pre {
  margin:0; padding: 18px; border-radius: 16px; background: rgba(4,8,14,.86); border:1px solid rgba(255,255,255,.06);
  color: #b8f3ff; font-size: 12px; line-height: 1.75; overflow:auto; white-space: pre-wrap; word-break: break-word;
}
.faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.faq-item { padding: 20px; }
.faq-item h3 { margin:0 0 10px; font-size: 20px; }
.faq-item p { margin:0; color:#d4dde5; }
.review-grid { grid-template-columns: repeat(5, minmax(0,1fr)); }
.review-card { padding: 22px; position:relative; }
.review-card::after { content: "C"; position:absolute; right:18px; top:12px; font-size:56px; color: rgba(112,231,255,.18); }
.review-card strong { display:block; margin-bottom: 4px; }
.review-card span { color:var(--cyan); font-size: 13px; }
.contact-grid { grid-template-columns: 1.1fr .9fr; }
.contact-card { padding: 24px; }
.contact-card img { border-radius: 18px; height: 320px; object-fit: cover; width:100%; margin-bottom: 18px; }
.qr-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.qr-box { text-align:center; padding: 14px; border-radius: 18px; background: rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.06); }
.qr-box img { width: 180px; margin: 0 auto 12px; border-radius: 12px; background:#fff; padding:12px; }
.share-row { display:flex; flex-wrap:wrap; gap: 10px; }
.share-button { background: rgba(255,255,255,.04); color:#fff; border:1px solid rgba(255,255,255,.08); }
.footer {
  padding: 40px 0 60px; border-top: 1px solid rgba(112,231,255,.12); background: rgba(5,8,12,.75);
}
.foot-grid { grid-template-columns: 1.1fr .9fr; align-items:start; }
.footer .brand-mark img { width: 156px; }
.footer-note { color: var(--muted); font-size: 14px; }
.breadcrumb { display:flex; gap:10px; flex-wrap:wrap; align-items:center; color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.breadcrumb span::after { content: "/"; margin-left:10px; color: rgba(255,255,255,.2); }
.breadcrumb span:last-child::after { display:none; }
.sub-hero { padding-top: 40px; }
.sub-hero-card { padding: 24px; display:grid; grid-template-columns: .95fr 1.05fr; gap: 20px; align-items:center; }
.sub-hero-card img { height: 360px; object-fit: cover; width:100%; border-radius: 20px; }
.timeline { display:grid; gap: 14px; }
.timeline-item { padding: 20px; }
.timeline-label { color:var(--cyan); font-size:13px; letter-spacing:.12em; text-transform:uppercase; }
.kpi-row { display:flex; flex-wrap:wrap; gap: 12px; margin-top:18px; }
.kpi-pill { padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08); color:#dbe4eb; }
.notice-bar {
  margin-top: 14px; padding: 12px 14px; border-left: 4px solid var(--peach); background: rgba(255,159,116,.08); color:#ffd8c8; border-radius: 12px;
}
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip: rect(0,0,0,0); white-space:nowrap; border:0; }
@media (max-width: 1120px) {
  .hero-grid, .section-head, .editorial-grid, .contact-grid, .sub-hero-card { grid-template-columns: 1fr; }
  .feature-grid, .category-strip, .review-grid, .json-stack, .faq-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .nav-row { flex-direction:column; align-items:flex-start; }
  .main-nav { justify-content:flex-start; }
  .search-row, .feature-grid, .category-strip, .review-grid, .json-stack, .faq-grid, .foot-grid, .qr-grid { grid-template-columns: 1fr; }
  .hero-copy, .hero-visual, .video-card, .json-card, .contact-card, .sub-hero-card { border-radius: 20px; }
  .hero-visual { min-height: 420px; }
  .hero-monitor { position:static; padding: 18px; width:auto; display:grid; }
  .video-card { min-height: 330px; }
  .video-body { min-height: 330px; }
  .container { width: min(var(--max), calc(100% - 22px)); }
  .hero-copy h1 { font-size: clamp(34px, 11vw, 54px); }
}


.expert-grid, .policy-grid { display:grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.expert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 18px; }
.expert-card, .policy-card, .trust-panel { background: linear-gradient(180deg, rgba(17,20,28,.92), rgba(10,12,18,.98)); border: 1px solid rgba(109,214,255,.14); border-radius: 26px; padding: 24px; box-shadow: 0 22px 44px rgba(0,0,0,.28); }
.expert-card h3, .policy-card h3, .trust-panel h2 { margin: 10px 0 12px; }
.expert-card p, .policy-card p, .trust-panel p { color: var(--muted); }
.trust-panel { margin-top: 6px; }
@media (max-width: 980px) {
  .expert-grid, .policy-grid { grid-template-columns: 1fr; }
}