:root{
  --brand:#2f67ff;
  --brand-dark:#163aa8;
  --ink:#172033;
  --muted:#657084;
  --soft:#f5f8ff;
  --line:#dfe7f5;
  --card:#ffffff;
  --accent:#ffb13d;
  --ok:#1aa782;
  --shadow:0 18px 45px rgba(23,32,51,.10);
}
*{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;color:var(--ink);background:#fff;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{width:min(1160px,calc(100% - 32px));margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 14px;border:1px solid var(--line);z-index:20}.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);z-index:10}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--brand);letter-spacing:.03em}.logo-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--brand),#7c4dff);display:grid;place-items:center;color:#fff;box-shadow:0 10px 22px rgba(47,103,255,.25)}
.nav-links{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.nav-links a{font-size:15px;padding:8px 10px;border-radius:999px;color:#33425f}.nav-links a:hover,.nav-links a[aria-current="page"]{background:var(--soft);color:var(--brand)}
.search-bar{padding:0 0 14px}.search-form{display:flex;gap:10px;background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:8px}.search-form input{flex:1;border:0;background:transparent;padding:10px 12px;font-size:15px;outline:none}.btn{border:0;border-radius:999px;background:var(--brand);color:#fff;padding:11px 18px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.btn:hover{background:var(--brand-dark)}.btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}
.notice{font-size:13px;color:var(--muted);margin-top:6px;min-height:20px}.hero{background:radial-gradient(circle at 12% 20%,#e7efff 0,#fff 30%,#fff 100%);padding:56px 0 34px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(23,32,51,.06);border-radius:999px;padding:6px 12px;color:var(--brand);font-weight:800}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.12;margin:18px 0 14px;letter-spacing:-.03em}.lead{font-size:18px;color:#4f5c74;margin:0 0 22px}.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.tag{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;font-size:14px;color:#49566f}.hero-media{position:relative}.hero-media figure{margin:0}.media-card{border-radius:32px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}.dynamic-description,.fig-desc{font-size:13px;color:var(--muted);margin-top:9px;text-align:center}.domain-box{margin-top:14px;padding:12px 14px;border:1px dashed #9fb3e9;border-radius:18px;background:#f8fbff;color:#33425f}
.section{padding:56px 0}.section.alt{background:#f7f9fd}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section h2{font-size:clamp(26px,3vw,40px);line-height:1.2;margin:0}.section .intro{color:var(--muted);max-width:720px;margin:8px 0 0}.grid{display:grid;gap:18px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 12px 32px rgba(23,32,51,.06)}.card h3{margin:0 0 10px;font-size:21px}.card p{margin:0;color:#536078}.kpi{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}.kpi span{background:#f3f6fc;border-radius:12px;padding:6px 9px;font-size:13px;color:#48556f}.icon{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--brand),#8b5cf6);display:grid;place-items:center;color:#fff;font-weight:900;margin-bottom:12px}.breadcrumb{padding:18px 0 0;color:var(--muted);font-size:14px}.breadcrumb a{color:var(--brand)}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-card{position:relative;overflow:hidden;border-radius:24px;background:#101827;color:#fff;border:1px solid #26324a;box-shadow:var(--shadow)}.video-card video,.video-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.88}.video-body{padding:18px}.video-body h3{margin:0 0 8px;font-size:20px}.video-body p{margin:0;color:#d7def0}.play-badge{position:absolute;left:50%;top:35%;transform:translate(-50%,-50%) scale(.86);width:76px;height:76px;border-radius:50%;background:rgba(47,103,255,.94);display:grid;place-items:center;opacity:0;transition:.2s ease}.play-badge:before{content:"";border-left:21px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:5px}.video-card:hover .play-badge,.video-card:focus-within .play-badge{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.video-meta span{font-size:12px;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 8px;color:#edf3ff}.steps{counter-reset:step;display:grid;gap:14px}.step{counter-increment:step;display:grid;grid-template-columns:58px 1fr;gap:14px;align-items:start}.step:before{content:counter(step);width:48px;height:48px;border-radius:16px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}.timeline{border-left:3px solid var(--line);padding-left:22px}.timeline-item{position:relative;margin:0 0 20px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.timeline-item:before{content:"";position:absolute;left:-32px;top:24px;width:16px;height:16px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 5px #fff}.faq{display:grid;gap:12px}.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.faq summary{font-weight:900;cursor:pointer}.faq p{color:var(--muted);margin:10px 0 0}.review{display:flex;flex-direction:column;gap:12px}.stars{color:#e99818;letter-spacing:2px}.team-strip{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.contact-list{display:grid;gap:12px}.contact-item{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding:12px 0}.share-panel{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.share-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;cursor:pointer;color:#33425f}.share-btn:hover{border-color:var(--brand);color:var(--brand)}
.site-footer{background:#121827;color:#edf2ff;padding:34px 0;margin-top:20px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.site-footer p,.site-footer a{color:#b8c3da}.footer-links{display:flex;gap:12px;flex-wrap:wrap}.update-time{margin-top:12px;color:#d9e3ff}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#101827;color:#fff;border-radius:999px;padding:10px 16px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.18s}.toast.show{opacity:1}.page-hero{padding:42px 0 22px;background:linear-gradient(180deg,#f5f8ff,#fff)}.page-hero h1{font-size:clamp(32px,4vw,52px);line-height:1.16;margin:12px 0}.table-like{display:grid;gap:10px}.row{display:grid;grid-template-columns:160px 1fr;gap:16px;border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.label{font-weight:900;color:var(--brand)}
@media (max-width:900px){.hero-grid,.team-strip,.footer-grid{grid-template-columns:1fr}.grid.cols-4,.grid.cols-3,.grid.cols-2,.video-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.nav-row{align-items:flex-start;flex-direction:column}.nav-links{gap:6px}.hero{padding-top:32px}}
@media (max-width:620px){.grid.cols-4,.grid.cols-3,.grid.cols-2,.video-grid{grid-template-columns:1fr}.search-form{flex-direction:column}.btn{justify-content:center}.row{grid-template-columns:1fr}.contact-item{display:block}.section{padding:40px 0}.hero h1{font-size:34px}.play-badge{opacity:1;width:60px;height:60px}.container{width:min(100% - 24px,1160px)}}