:root{
  --bg:#070b18;
  --panel:#111833;
  --panel-soft:#172143;
  --text:#eef4ff;
  --muted:#aebde2;
  --line:rgba(255,255,255,.14);
  --brand:#64f4d2;
  --brand-2:#6b8cff;
  --warm:#ffcf6b;
  --radius:28px;
  --shadow:0 26px 80px rgba(0,0,0,.34);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 20% 0%,rgba(107,140,255,.28),transparent 34%),radial-gradient(circle at 80% 12%,rgba(100,244,210,.20),transparent 36%),var(--bg);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.skip-link{position:absolute;left:-999px;top:10px;background:var(--brand);color:#06101b;padding:10px 14px;border-radius:12px;z-index:10}.skip-link:focus{left:10px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(7,11,24,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-shell{width:min(1180px,92vw);margin:auto;padding:14px 0 8px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand-logo,.footer-logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.04em}.brand-logo img{width:118px}.brand-logo span{font-size:18px}
.primary-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.primary-nav a{padding:10px 13px;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:14px}.primary-nav a:hover{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.06)}
.search-wrap{width:min(1180px,92vw);margin:0 auto 12px;display:grid;grid-template-columns:1fr auto;gap:10px}.search-wrap input{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.07);color:var(--text);border-radius:18px;padding:13px 16px;outline:none}.search-wrap input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(100,244,210,.12)}.search-wrap button,.btn{border:0;border-radius:18px;padding:12px 18px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06101b;font-weight:800;cursor:pointer;box-shadow:0 16px 38px rgba(100,244,210,.18)}.search-tip{grid-column:1/-1;margin:0;color:var(--muted);font-size:13px;min-height:20px}
main{width:min(1180px,92vw);margin:auto}.hero{min-height:78vh;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:34px;padding:72px 0 58px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--brand);border:1px solid rgba(100,244,210,.28);border-radius:999px;padding:8px 12px;background:rgba(100,244,210,.08);font-weight:700}.hero h1{font-size:clamp(42px,7vw,84px);line-height:1.02;margin:18px 0 18px;letter-spacing:-.06em}.hero p{color:var(--muted);font-size:18px;margin:0 0 24px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn.secondary{background:rgba(255,255,255,.08);color:var(--text);border:1px solid var(--line);box-shadow:none}.hero-card{position:relative;border:1px solid var(--line);border-radius:38px;background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.04));box-shadow:var(--shadow);padding:18px;overflow:hidden}.hero-card:before{content:"";position:absolute;inset:-50%;background:conic-gradient(from 120deg,transparent,rgba(100,244,210,.18),transparent,rgba(107,140,255,.2),transparent);animation:spin 14s linear infinite}.hero-card-inner{position:relative;background:rgba(7,11,24,.72);border-radius:28px;overflow:hidden}.hero-card figcaption{padding:16px;color:var(--muted);font-size:14px}
.section{padding:78px 0;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:1fr .9fr;gap:22px;align-items:end;margin-bottom:28px}.section-head h2{font-size:clamp(30px,4vw,54px);line-height:1.12;margin:0}.section-head p{color:var(--muted);margin:0}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035));padding:24px;box-shadow:0 12px 34px rgba(0,0,0,.16);transition:transform .28s ease,border-color .28s ease,background .28s ease}.card:hover{transform:translateY(-7px);border-color:rgba(100,244,210,.46);background:linear-gradient(180deg,rgba(100,244,210,.12),rgba(255,255,255,.045))}.card h3{margin:0 0 8px;font-size:21px}.card p{color:var(--muted);margin:0 0 12px}.metric{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:7px 10px;margin:4px 5px 0 0;color:var(--brand);font-weight:700;font-size:13px}.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(107,140,255,.16);color:#dfe7ff;font-size:12px;margin:5px 5px 0 0}.video-card{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}.video-card img,.video-card video{aspect-ratio:16/9;width:100%;object-fit:cover}.video-card:after{content:"▶";position:absolute;left:50%;top:40%;transform:translate(-50%,-50%) scale(.7);width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.86);color:#101733;font-size:30px;opacity:0;transition:.28s ease;box-shadow:0 16px 40px rgba(0,0,0,.32)}.video-card:hover:after{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-body{padding:18px}.video-body h3{margin:0 0 8px}.video-body p{color:var(--muted);margin:0}.video-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.timeline{counter-reset:step;display:grid;gap:16px}.timeline .card{position:relative;padding-left:64px}.timeline .card:before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:24px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06101b;font-weight:900}.quote{min-height:230px}.quote strong{color:var(--brand)}.partners{display:flex;gap:12px;flex-wrap:wrap}.partners span{border:1px solid var(--line);border-radius:18px;padding:13px 16px;background:rgba(255,255,255,.06);color:var(--muted)}.faq details{border:1px solid var(--line);border-radius:22px;padding:16px 18px;background:rgba(255,255,255,.055)}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);margin:10px 0 0}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.map-box,.qr-box{border:1px dashed rgba(255,255,255,.28);border-radius:24px;min-height:210px;display:grid;place-items:center;text-align:center;background:rgba(255,255,255,.045);color:var(--muted);padding:20px}.page-hero{padding:76px 0 36px}.page-hero h1{font-size:clamp(38px,6vw,68px);line-height:1.05;margin:14px 0}.breadcrumb{color:var(--muted);font-size:14px}.breadcrumb a{color:var(--brand)}.feature-list{display:grid;gap:14px}.feature-list li{list-style:none;border:1px solid var(--line);border-radius:20px;padding:16px;background:rgba(255,255,255,.05)}.site-footer{margin-top:80px;background:#050813;border-top:1px solid var(--line);padding:44px 0 22px}.footer-grid{width:min(1180px,92vw);margin:auto;display:grid;grid-template-columns:1.3fr .8fr 1fr .8fr;gap:24px}.footer-grid h2{font-size:18px}.footer-grid p,.footer-grid a{display:block;color:var(--muted);margin:8px 0}.qr-row{display:flex;gap:10px}.qr-row span{width:92px;height:92px;border-radius:18px;border:1px solid var(--line);display:grid;place-items:center;text-align:center;background:repeating-linear-gradient(45deg,rgba(255,255,255,.08),rgba(255,255,255,.08) 8px,rgba(255,255,255,.02) 8px,rgba(255,255,255,.02) 16px);font-size:13px}.copyright{width:min(1180px,92vw);margin:28px auto 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding-top:16px}.domain-line strong{color:var(--brand)}
@keyframes spin{to{transform:rotate(1turn)}}
@media (max-width:920px){.header-shell,.hero,.section-head,.contact-panel,.footer-grid{grid-template-columns:1fr}.header-shell{align-items:flex-start}.primary-nav{justify-content:flex-start}.hero{padding-top:44px}.grid-3,.grid-4{grid-template-columns:1fr 1fr}.footer-grid{display:grid}.section{padding:56px 0}}
@media (max-width:640px){.search-wrap{grid-template-columns:1fr}.grid-3,.grid-4{grid-template-columns:1fr}.hero-actions .btn{width:100%;text-align:center}.brand-logo img{width:96px}.primary-nav a{font-size:13px;padding:8px 10px}.timeline .card{padding-left:24px}.timeline .card:before{position:static;margin-bottom:10px}.footer-grid{grid-template-columns:1fr}.site-header{position:relative}}
.faq-spaced{margin-top:20px}