:root{
  --bg:#fbfaf7;
  --panel:#ffffff;
  --ink:#1f1f1f;
  --muted:#686868;
  --line:#e8e1d8;
  --soft:#f4efe8;
  --accent:#1f1f1f;
  --shadow:0 18px 48px rgba(31,31,31,.08);
  --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(251,250,247,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(232,225,216,.75);
}
.header-inner{
  max-width:1180px;
  margin:0 auto;
  padding:16px 22px 12px;
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.logo-link{display:flex;align-items:center;gap:12px}
.logo-link img{width:108px;height:auto}
.logo-title{
  display:flex;
  flex-direction:column;
  gap:0;
  font-weight:800;
}
.logo-title small{
  color:var(--muted);
  font-weight:500;
}
.nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:8px;
}
.nav a{
  padding:8px 12px;
  border-radius:999px;
  color:#3a3a3a;
  font-size:14px;
}
.nav a:hover,.nav a[aria-current="page"]{
  background:#1f1f1f;
  color:#fff;
}
.search-wrap{
  margin-top:14px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:10px;
}
.search-wrap input{
  width:100%;
  border:1px solid var(--line);
  border-radius:999px;
  padding:13px 18px;
  background:#fff;
  color:var(--ink);
  outline:none;
}
.search-wrap button,.btn{
  border:0;
  border-radius:999px;
  padding:12px 18px;
  background:var(--accent);
  color:#fff;
  cursor:pointer;
  font-weight:700;
}
.search-hint{
  grid-column:1/-1;
  color:var(--muted);
  font-size:13px;
  min-height:22px;
}
.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 22px;
}
.hero{
  padding:56px 0 32px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:36px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 13px;
  color:#4a4a4a;
  font-weight:700;
  font-size:14px;
}
h1,h2,h3,h4,h5,h6{
  line-height:1.2;
  margin:0 0 14px;
  letter-spacing:-.02em;
}
h1{
  font-size:clamp(34px,6vw,64px);
}
h2{
  font-size:clamp(26px,4vw,42px);
}
h3{font-size:22px}
p{margin:0 0 14px}
.lead{
  color:#3f3f3f;
  font-size:18px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.btn.secondary{
  background:#fff;
  color:#1f1f1f;
  border:1px solid var(--line);
}
.domain-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 13px;
  border-radius:999px;
  background:var(--soft);
  color:#3d3d3d;
  margin-top:18px;
  font-size:14px;
}
.hero-figure,.card,.panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero-figure{padding:14px}
.hero-figure img{
  border-radius:20px;
  aspect-ratio:5/3;
  object-fit:cover;
}
figcaption{
  color:var(--muted);
  font-size:13px;
  margin-top:10px;
}
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:22px;
}
.stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px;
}
.stat strong{display:block;font-size:24px}
.stat span{color:var(--muted);font-size:13px}
.section{
  padding:52px 0;
}
.section-head{
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:end;
  margin-bottom:24px;
}
.section-head p{
  max-width:620px;
  color:var(--muted);
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.card,.panel{
  padding:22px;
}
.card img{
  border-radius:20px;
  margin-bottom:16px;
  aspect-ratio:4/3;
  object-fit:cover;
}
.tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.tag{
  display:inline-flex;
  border:1px solid var(--line);
  background:#fff;
  color:#4b4b4b;
  border-radius:999px;
  padding:5px 10px;
  font-size:13px;
}
.video-card{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:#111;
  min-height:280px;
  cursor:pointer;
}
.video-card video,.video-card img{
  width:100%;
  height:100%;
  min-height:280px;
  object-fit:cover;
  opacity:.9;
  transition:transform .35s ease, opacity .35s ease;
}
.video-card:hover video,.video-card:hover img,.video-card.is-hover video,.video-card.is-hover img{
  transform:scale(1.04);
  opacity:.7;
}
.play-button{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) scale(.92);
  width:74px;
  height:74px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.56);
  background:rgba(255,255,255,.86);
  display:grid;
  place-items:center;
  opacity:0;
  transition:all .25s ease;
}
.play-button:before{
  content:"";
  width:0;
  height:0;
  border-top:13px solid transparent;
  border-bottom:13px solid transparent;
  border-left:20px solid #111;
  margin-left:5px;
}
.video-card:hover .play-button,.video-card.is-hover .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-meta{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  color:#fff;
  text-shadow:0 2px 16px rgba(0,0,0,.45);
}
.video-meta strong{display:block;font-size:19px}
.video-meta span{font-size:13px;color:rgba(255,255,255,.86)}
.kpi-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
}
.kpi-row span{
  padding:5px 9px;
  border-radius:999px;
  background:rgba(255,255,255,.2);
  font-size:12px;
}
.timeline{
  display:grid;
  gap:14px;
}
.timeline article{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:18px;
}
.faq-list{
  display:grid;
  gap:12px;
}
.faq-list details{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px 18px;
}
.faq-list summary{
  cursor:pointer;
  font-weight:800;
}
.quote{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:22px;
}
.quote p{color:#383838}
.quote footer{color:var(--muted);font-size:14px}
.breadcrumb{
  color:var(--muted);
  font-size:14px;
  margin:24px 0 0;
}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.article{
  max-width:880px;
  margin:0 auto;
}
.article .panel{
  margin:18px 0;
}
.table-wrap{overflow-x:auto}
table{
  border-collapse:collapse;
  width:100%;
  background:#fff;
  border-radius:20px;
  overflow:hidden;
}
th,td{
  border:1px solid var(--line);
  padding:14px;
  text-align:left;
}
th{background:#f5f0ea}
.notice{
  border-left:4px solid #1f1f1f;
  background:#fff;
  padding:18px 20px;
  border-radius:18px;
  color:#3d3d3d;
}
.site-footer{
  margin-top:60px;
  padding:42px 0;
  background:#1f1f1f;
  color:#fff;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:14px;
}
.footer-logo img{width:96px}
.footer-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}
.footer-nav a{
  color:#fff;
  opacity:.86;
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
  padding:7px 11px;
}
.footer-meta{
  grid-column:1/-1;
  color:rgba(255,255,255,.76);
  font-size:14px;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:20px;
}
@media (max-width:900px){
  .hero-grid,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .nav{justify-content:flex-start;margin-top:12px}
  .stats{grid-template-columns:1fr}
}
@media (max-width:560px){
  .header-inner,.container{padding-left:16px;padding-right:16px}
  .search-wrap{grid-template-columns:1fr}
  .hero{padding-top:34px}
  .card,.panel{padding:18px}
}