:root {
  --bg: #04110d;
  --bg-soft: #081713;
  --bg-card: rgba(255,255,255,0.05);
  --line: rgba(255,255,255,0.12);
  --text: #edf6f0;
  --muted: rgba(237,246,240,0.72);
  --dim: rgba(237,246,240,0.56);
  --accent: #9fd3b0;
  --accent-soft: rgba(159,211,176,0.12);
  --shadow: 0 28px 100px rgba(0,0,0,0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(148,198,170,0.12), transparent 28%),
    radial-gradient(circle at right center, rgba(84,119,105,0.18), transparent 30%),
    linear-gradient(180deg, #04100d 0%, #071612 50%, #05100d 100%);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 95%);
  opacity: .33;
  z-index: -1;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.container { width: min(1320px, calc(100% - 32px)); margin: 0 auto; }
.section-space { padding: 72px 0; }
.eyebrow { display: inline-block; margin-bottom: 12px; font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: rgba(237,246,240,.55); }
.site-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--line); background: rgba(5,17,14,.82); backdrop-filter: blur(18px); }
.header-grid { display: grid; gap: 18px; padding: 16px 0; }
.brand-mark { display: flex; align-items: center; gap: 14px; }
.brand-mark img, .footer-brand img { width: 52px; height: 52px; border-radius: 18px; border: 1px solid var(--line); background: rgba(255,255,255,.05); padding: 6px; object-fit: cover; }
.brand-mark strong, .footer-brand h2, h1, h2, h3, h4, h5, h6 { font-family: "Noto Serif SC", "Songti SC", serif; }
.brand-mark strong { display: block; font-size: 28px; letter-spacing: .12em; }
.brand-mark span { font-size: 12px; letter-spacing: .24em; color: rgba(237,246,240,.56); }
.site-nav { display: flex; flex-wrap: wrap; gap: 14px 24px; font-size: 14px; color: rgba(237,246,240,.8); }
.site-nav a:hover { color: #fff; }
.site-domain { font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: rgba(237,246,240,.52); }
.search-panel { display: grid; gap: 10px; border: 1px solid var(--line); background: rgba(255,255,255,.08); border-radius: 28px; padding: 14px; backdrop-filter: blur(18px); }
.search-panel label { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: rgba(237,246,240,.68); }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
.search-row input { width: 100%; border: 1px solid rgba(255,255,255,.12); background: rgba(0,0,0,.22); color: var(--text); border-radius: 20px; padding: 16px 18px; outline: none; }
.search-row button, .hero-actions a, .footer-meta button, .expert-actions button { border: 1px solid rgba(159,211,176,.24); background: rgba(159,211,176,.12); color: #f7fff9; border-radius: 999px; padding: 14px 18px; transition: .25s ease; }
.search-row button:hover, .hero-actions a:hover, .footer-meta button:hover, .expert-actions button:hover { background: rgba(159,211,176,.18); border-color: rgba(159,211,176,.38); }
.hero-section { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,12,10,.92) 10%, rgba(4,18,14,.74) 48%, rgba(6,22,18,.4) 100%); }
.hero-grid, .split-grid { position: relative; display: grid; gap: 32px; }
.hero-grid { grid-template-columns: minmax(0,1.2fr) minmax(300px,.8fr); padding: 76px 0 90px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: rgba(237,246,240,.55); }
.hero-badge { display: inline-block; margin-top: 30px; padding: 10px 16px; border-radius: 999px; border: 1px solid rgba(159,211,176,.2); background: rgba(159,211,176,.1); font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: rgba(237,246,240,.78); }
.hero-copy h1, .sub-hero h1 { margin: 24px 0 0; max-width: 900px; font-size: clamp(40px, 6vw, 76px); line-height: 1.12; }
.hero-copy p, .sub-hero p, .panel-card p, .big-panel p, .faq-card p, .review-card p, .expert-card p, .stats-card p { color: var(--muted); line-height: 1.95; font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-actions .ghost { background: transparent; border-color: var(--line); }
.hero-side { display: grid; gap: 16px; align-self: end; }
.hero-side article, .panel-card, .json-card, .faq-card, .stats-card, .review-card, .expert-card, .keyword-card { border: 1px solid var(--line); border-radius: 32px; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); box-shadow: var(--shadow); }
.hero-side article { padding: 20px; background: rgba(0,0,0,.24); backdrop-filter: blur(18px); }
.hero-side small, .video-metrics small, .expert-meta small, .stats-grid small, .footer-line { display: block; font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: rgba(237,246,240,.48); }
.hero-side strong { display: block; margin-top: 12px; font-size: 18px; line-height: 1.7; font-weight: 500; }
.three-grid, .review-grid, .qr-grid, .stats-grid, .logo-grid, .video-grid { display: grid; gap: 24px; }
.three-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.panel-card, .faq-card, .stats-card, .keyword-card, .json-card, .big-panel { padding: 28px; }
.panel-card h2, .section-head h2, .split-grid h2, .big-panel h2, .faq-card h3, .keyword-card h3 { margin: 0; font-size: clamp(30px, 3vw, 48px); line-height: 1.2; }
.panel-card h3, .big-panel h3, .faq-card summary, .review-card h3, .expert-card h3, .step-card h3, .qr-card h3 { margin: 16px 0 0; font-size: 22px; line-height: 1.45; }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 26px; }
.section-head a { color: rgba(237,246,240,.85); }
.video-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.video-card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 32px; background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.03)); padding: 28px; box-shadow: var(--shadow); transition: transform .35s ease, border-color .35s ease; }
.video-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at top left, rgba(184,230,204,.14), transparent 45%), radial-gradient(circle at bottom right, rgba(80,130,112,.24), transparent 40%); opacity: .72; }
.video-card:hover { transform: translateY(-6px); border-color: rgba(159,211,176,.3); }
.video-card > * { position: relative; }
.video-top { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.play-badge { position: relative; display: grid; place-items: center; width: 68px; height: 68px; border-radius: 999px; border: 1px solid rgba(255,255,255,.14); background: rgba(0,0,0,.25); transition: transform .3s ease; }
.video-card:hover .play-badge { transform: scale(1.06); }
.play-badge span { font-size: 28px; }
.play-badge em { position: absolute; bottom: -11px; display: inline-block; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(159,211,176,.16); background: #0b1715; font-style: normal; font-size: 10px; letter-spacing: .25em; text-transform: uppercase; color: rgba(237,246,240,.68); }
.video-top h3 { margin: 10px 0 0; font-size: 28px; line-height: 1.4; }
.video-summary { margin: 20px 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.tag-row span, .keyword-cloud span, .keyword-cloud.mini span { display: inline-flex; align-items: center; padding: 10px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.06); font-size: 12px; color: rgba(237,246,240,.8); }
.video-metrics, .expert-meta { display: grid; gap: 14px; }
.video-metrics { grid-template-columns: repeat(4, minmax(0,1fr)); padding: 18px; border-radius: 24px; border: 1px solid rgba(255,255,255,.1); background: rgba(0,0,0,.18); }
.video-metrics strong, .stats-grid strong { display: block; margin-top: 10px; font-size: 20px; color: #f4fbf7; }
.dark-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #07120f; }
.split-grid { grid-template-columns: minmax(0,1fr) minmax(340px,1fr); }
.top-align { align-items: start; }
.mini-panels { display: grid; gap: 16px; margin-top: 26px; }
.mini-panels article { border: 1px solid var(--line); border-radius: 26px; background: rgba(255,255,255,.05); padding: 22px; }
.mini-panels h3 { margin: 0; font-size: 24px; }
.mini-panels span { display: inline-block; margin-top: 12px; padding: 6px 12px; border: 1px solid rgba(159,211,176,.16); border-radius: 999px; font-size: 11px; letter-spacing: .22em; color: rgba(237,246,240,.66); text-transform: uppercase; }
.image-frame { overflow: hidden; border-radius: 38px; border: 1px solid var(--line); box-shadow: 0 30px 120px rgba(0,0,0,.35); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-frame.large { margin-top: 26px; }
.json-card pre { display: none; }
.json-card::after { content: '为避免页面出现大段杂乱代码，本区结构化数据已默认隐藏。'; display: block; margin-top: 16px; padding: 16px 18px; border-radius: 24px; border: 1px solid rgba(255,255,255,.1); background: rgba(0,0,0,.25); font-size: 14px; line-height: 1.85; color: rgba(237,246,240,.72); }
.json-head { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 0; }
.json-head h3, .stats-card h3 { margin: 0; font-size: 26px; }
.json-head span { font-size: 11px; letter-spacing: .28em; color: rgba(237,246,240,.65); text-transform: uppercase; }
.stats-grid { grid-template-columns: repeat(3, minmax(0,1fr)); margin-top: 20px; }
.stats-grid > div, .review-card, .expert-card, .step-card, .qr-card { padding: 18px; border-radius: 24px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05); }
.expert-list { display: grid; gap: 16px; margin-top: 24px; }
.expert-row, .review-head, .footer-brand, .footer-line { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.expert-card h3 { margin: 0; font-size: 28px; }
.expert-card > p { margin: 18px 0 0; }
.expert-card > p + .expert-meta { margin-top: 16px; }
.expert-card p:last-child { margin-bottom: 0; }
.expert-card .expert-row p { margin: 8px 0 0; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: rgba(237,246,240,.58); }
.expert-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.expert-actions button { padding: 10px 14px; }
.expert-meta { grid-template-columns: repeat(3, minmax(0,1fr)); }
.expert-meta span { display: block; margin-top: 10px; color: rgba(237,246,240,.74); line-height: 1.7; }
.logo-grid { grid-template-columns: repeat(3, minmax(0,1fr)); margin: 24px 0; }
.logo-pill { display: grid; place-items: center; min-height: 76px; padding: 12px; border-radius: 22px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05); text-align: center; color: rgba(237,246,240,.78); }
.steps { display: grid; gap: 16px; }
.step-card { display: grid; grid-template-columns: auto 1fr; gap: 16px; }
.step-no { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 32px; border-radius: 999px; border: 1px solid rgba(159,211,176,.16); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: rgba(237,246,240,.68); }
.faq-card details { padding: 16px 18px; border-radius: 22px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05); }
.faq-card details + details { margin-top: 12px; }
.faq-card summary { list-style: none; cursor: pointer; font-size: 18px; }
.faq-card p { margin: 12px 0 0; }
.contact-list p { margin: 12px 0; }
.contact-list strong { color: #f4fbf7; }
.qr-grid, .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); margin-top: 24px; }
.qr-card img { width: 220px; max-width: 100%; margin-top: 16px; }
.review-head span { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 999px; border: 1px solid rgba(255,255,255,.12); background: rgba(159,211,176,.12); }
.review-head h3 { margin: 0; font-size: 20px; }
.review-head p { margin: 6px 0 0; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: rgba(237,246,240,.48); }
.keyword-card p { margin: 14px 0 0; }
.keyword-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.keyword-cloud.mini { margin-top: 18px; }
.site-footer { border-top: 1px solid var(--line); background: #06110e; padding: 52px 0; }
.footer-grid { display: grid; gap: 28px; grid-template-columns: minmax(0,1.1fr) minmax(280px,.9fr); align-items: end; }
.footer-copy, .footer-brand p { margin: 14px 0 0; color: rgba(237,246,240,.66); line-height: 1.95; }
.footer-meta { border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); padding: 22px; border-radius: 28px; }
.footer-line { font-size: 13px; letter-spacing: .08em; text-transform: none; color: rgba(237,246,240,.72); }
.share-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.sub-hero h1 { margin-top: 16px; }
@media (max-width: 1080px) {
  .hero-grid, .split-grid, .footer-grid, .three-grid, .video-grid, .logo-grid, .qr-grid, .review-grid, .stats-grid, .expert-meta { grid-template-columns: 1fr; }
  .header-grid { grid-template-columns: 1fr; }
}
@media (min-width: 1081px) {
  .header-grid { grid-template-columns: auto 1fr auto; align-items: center; }
  .search-panel { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .section-space { padding: 54px 0; }
  .container { width: min(1320px, calc(100% - 20px)); }
  .search-row { grid-template-columns: 1fr; }
  .hero-actions, .share-row, .expert-actions { flex-direction: column; }
  .hero-copy h1, .sub-hero h1 { font-size: 40px; }
  .video-top { flex-direction: column; }
}