/* Design Philosophy: 雾港胶片电波；品牌优先、动漫前置、信息可信、移动端友好 */
:root {
  --bg: #07101d;
  --bg-soft: #0c1629;
  --panel: rgba(12, 22, 41, 0.84);
  --panel-light: #f4ede2;
  --text: #edf2f8;
  --text-dark: #0c1629;
  --muted: #b4c1d2;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #f29b72;
  --gold: #dfc195;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif; background: radial-gradient(circle at top left, rgba(242,155,114,.18), transparent 26%), linear-gradient(180deg, #09111e 0%, #081321 100%); color: var(--text); line-height: 1.78; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border: 0; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(16px); background: rgba(7, 16, 29, 0.86); border-bottom: 1px solid var(--line); }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 14px 0; }
.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-logo { width: 58px; height: 58px; object-fit: cover; border-radius: 18px; box-shadow: 0 10px 24px rgba(0,0,0,.28); }
.brand-lockup strong { display: block; font-size: 1.24rem; letter-spacing: .04em; }
.brand-lockup span { color: var(--muted); font-size: .92rem; }
.notice-bar { padding: 0 0 14px; }
.notice-bar p { margin: 0; color: var(--gold); font-size: .95rem; }
.nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.nav-link { padding: 10px 14px; border-radius: 999px; font-size: .95rem; color: var(--muted); transition: .25s ease; }
.nav-link:hover, .nav-link.is-active { color: #fff; background: rgba(242,155,114,.14); box-shadow: inset 0 0 0 1px rgba(242,155,114,.26); }
.hero { padding: 44px 0 28px; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 32px; align-items: center; }
.hero-copy h1, .inner-hero h1 { font-family: 'STSong','Songti SC','Noto Serif SC',serif; font-size: clamp(2.2rem, 4vw, 4.4rem); line-height: 1.08; margin: 0 0 22px; letter-spacing: .03em; }
.hero-copy p { color: var(--muted); font-size: 1.04rem; }
.eyebrow { margin: 0 0 12px; color: var(--gold); text-transform: uppercase; letter-spacing: .18em; font-size: .86rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0; }
.hero-actions a, .cta-row a, .share-btn { border: 0; border-radius: 14px; padding: 13px 18px; background: linear-gradient(135deg, var(--accent), #f5c08f); color: #111; font-weight: 700; box-shadow: 0 18px 35px rgba(242,155,114,.22); cursor: pointer; transition: .28s ease; display: inline-flex; align-items: center; justify-content: center; }
.hero-actions a.ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px rgba(255,255,255,.18); }
.hero-actions a:hover, .cta-row a:hover, .share-btn:hover { transform: translateY(-2px); }
.hero-stats { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hero-stats li { display: flex; flex-direction: column; padding: 14px 16px; border-left: 3px solid var(--accent); background: rgba(255,255,255,.04); border-radius: 0 16px 16px 0; }
.hero-media { position: relative; }
.hero-media img, .feature-image img, .scene-image img { width: 100%; border-radius: 28px; box-shadow: var(--shadow); }
.floating-data { position: absolute; right: 20px; top: 20px; background: rgba(12,22,41,.84); padding: 14px 16px; border-radius: 18px; border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(14px); }
.floating-data span { display: block; color: var(--gold); font-size: .86rem; }
.floating-data.second { top: auto; bottom: 24px; right: 36px; }
.section { padding: 34px 0 22px; }
.section-head { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.section-head h2, .feature-panel h2, .prose-area h2, .review-card h3 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.6rem); font-family: 'STSong','Songti SC','Noto Serif SC',serif; line-height: 1.18; }
.split-grid, .scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.feature-panel { padding: 28px; border-radius: 28px; box-shadow: var(--shadow); }
.dark-panel { background: linear-gradient(180deg, rgba(10,21,39,.96), rgba(15,29,50,.92)); border: 1px solid rgba(255,255,255,.08); }
.light-panel { background: linear-gradient(180deg, #fff4e8, #f3e7d7); color: var(--text-dark); }
.tag-row, .logo-wall { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag-row span, .logo-wall span, .video-meta .tag { display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px; background: rgba(242,155,114,.12); color: var(--gold); box-shadow: inset 0 0 0 1px rgba(242,155,114,.14); }
.core-grid, .review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.core-grid article, .review-card, .notice-card { padding: 22px; border-radius: 24px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.video-card { overflow: hidden; border-radius: 26px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); transition: .28s ease; cursor: pointer; }
.video-card:hover { transform: translateY(-4px); }
.video-cover { position: relative; min-height: 260px; overflow: hidden; }
.video-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease, filter .4s ease; }
.video-card:hover .video-cover img { transform: scale(1.04); filter: brightness(1.06); }
.play-pill { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.88); background: rgba(7,16,29,.76); color: #fff; padding: 14px 20px; border-radius: 999px; letter-spacing: .08em; opacity: 0; transition: .3s ease; box-shadow: 0 14px 30px rgba(0,0,0,.24); }
.video-card:hover .play-pill { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-meta { padding: 18px 20px 22px; }
.video-meta h3 { margin: 12px 0 10px; font-size: 1.22rem; font-family: 'STSong','Songti SC','Noto Serif SC',serif; }
.video-meta p, .review-card p, .feature-panel p, .prose-area p, .faq-item p, .scene-copy p, .core-grid p { color: var(--muted); }
.video-meta ul, .contact-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 6px; }
.experts-grid { display: grid; gap: 20px; }
.expert-card { display: grid; grid-template-columns: 320px 1fr; gap: 24px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 28px; padding: 20px; box-shadow: var(--shadow); }
.expert-card h3 { margin: 0 0 8px; font-size: 1.7rem; font-family: 'STSong','Songti SC','Noto Serif SC',serif; }
.expert-card img { width: 100%; height: 100%; object-fit: cover; border-radius: 22px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.howto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.howto-grid article { padding: 22px; border-radius: 24px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); }
.faq-item { border-top: 1px solid rgba(255,255,255,.08); padding: 12px 0; }
.faq-item summary { cursor: pointer; font-weight: 700; }
.json-view { white-space: pre-wrap; word-break: break-word; padding: 22px; border-radius: 24px; background: #06101d; color: #9fd4ff; border: 1px solid rgba(124,201,255,.22); overflow: auto; font-size: .92rem; line-height: 1.7; margin-top: 18px; }
.contact-list li { position: relative; padding-left: 18px; }
.contact-list li::before { content: ''; position: absolute; left: 0; top: .8em; width: 8px; height: 8px; background: var(--accent); border-radius: 50%; }
.share-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.share-btn { text-align: left; justify-content: flex-start; min-height: 110px; flex-direction: column; align-items: flex-start; gap: 10px; }
.share-btn span { display: block; font-size: .9rem; font-weight: 500; line-height: 1.6; }
.prose-area { padding: 28px; border-radius: 28px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow); }
.notice-card { margin-top: 18px; }
.inner-main { padding-bottom: 24px; }
.inner-hero { padding: 42px 0 12px; }
.breadcrumb { color: var(--muted); margin-bottom: 12px; }
.site-footer { margin-top: 32px; padding: 28px 0 12px; background: linear-gradient(180deg, rgba(5,10,20,.82), rgba(5,10,20,.96)); border-top: 1px solid rgba(255,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 20px; }
.footer-lockup { margin-bottom: 14px; }
.qr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.qr-grid figure { margin: 0; padding: 14px; border-radius: 18px; background: rgba(255,255,255,.04); text-align: center; }
.qr-grid img { width: 100%; aspect-ratio: 1/1; object-fit: contain; background: #fff; border-radius: 14px; padding: 8px; }
.footer-bottom { padding-top: 16px; color: var(--muted); }
@media (max-width: 1080px) {
  .hero-grid, .split-grid, .scene-grid, .footer-grid, .expert-card, .howto-grid { grid-template-columns: 1fr; }
  .core-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
  .share-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .video-grid, .core-grid, .review-grid, .share-grid, .qr-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
  .brand-logo { width: 52px; height: 52px; }
  .section { padding: 26px 0 14px; }
  .container { width: min(1180px, calc(100% - 24px)); }
}