:root{
  --ink:#111214;
  --soft-ink:#282a2f;
  --muted:#626873;
  --line:#dfe3e8;
  --bg:#f7f7f3;
  --panel:#ffffff;
  --panel-warm:#f0ede6;
  --green:#1b7f5f;
  --amber:#b8863b;
  --danger:#8f342d;
  --shadow:0 18px 55px rgba(17,18,20,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:var(--bg);line-height:1.62}
a{color:inherit}
img{display:block;max-width:100%}
.wrap{width:min(1180px,calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,247,243,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(17,18,20,.08)}
.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:0}
.mark{width:32px;height:32px;border-radius:5px;background:#111214;color:#fff;display:grid;place-items:center;font-size:15px;font-weight:900}
.brand-logo{width:34px;height:34px;border-radius:5px;object-fit:cover;background:#000;box-shadow:0 0 0 1px rgba(255,255,255,.08)}
.nav-links{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:14px}
.nav-links a{text-decoration:none}
.nav-actions{display:flex;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:6px;border:1px solid var(--ink);font-weight:780;font-size:14px;text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--ink);color:#fff}
.btn.secondary{background:transparent;color:var(--ink)}
.hero{position:relative;min-height:670px;display:grid;align-items:end;overflow:hidden;background:#111214}
.hero picture,.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.78),rgba(0,0,0,.48) 46%,rgba(0,0,0,.2)),linear-gradient(0deg,rgba(0,0,0,.68),transparent 45%)}
.hero-content{position:relative;z-index:1;color:#fff;padding:116px 0 74px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px;color:#dcd5c8;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:1px;background:#dcd5c8}
h1{max-width:890px;margin:0;font-size:clamp(38px,5.8vw,76px);line-height:1.04;letter-spacing:0}
.hero-subtitle{max-width:820px;margin:16px 0 0;color:#fff;font-size:clamp(27px,4.2vw,54px);line-height:1.12;font-weight:760;letter-spacing:0}
.lead{max-width:730px;margin:24px 0 0;color:rgba(255,255,255,.84);font-size:19px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-actions .btn{min-height:50px}
.hero-actions .secondary{border-color:rgba(255,255,255,.72);color:#fff}
.proof-strip{background:var(--panel);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}
.strip-item{background:var(--panel);padding:18px}
.strip-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.strip-value{margin-top:4px;font-weight:800;word-break:break-word}
.section{padding:82px 0}
.section.alt{background:#fff}
.section.dark{background:#1d1d1f;color:#fff}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section h2,.policy-main h1{font-size:clamp(28px,4vw,46px);line-height:1.12;margin:0;letter-spacing:0}
.section-intro{max-width:610px;margin:0;color:var(--muted)}
.dark .section-intro,.dark p{color:rgba(255,255,255,.78)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.card figure{margin:0;aspect-ratio:16/9;background:#e8e4db}
.card img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px}
.card h3,.service h3,.notice h3{margin:0 0 10px;font-size:22px;line-height:1.22}
.card p,.service p,.notice p{margin:0;color:var(--muted)}
.service-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.service-list{display:grid;gap:14px}
.service{display:grid;grid-template-columns:42px 1fr;gap:16px;align-items:start;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px}
.service-no{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:900}
.feature-image{border-radius:8px;overflow:hidden;box-shadow:var(--shadow);background:#ddd}
.feature-image img{width:100%;height:100%;object-fit:cover}
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.notice{border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:22px;background:rgba(255,255,255,.06)}
.notice ul{margin:0;padding-left:20px;color:rgba(255,255,255,.82)}
.faq-list{display:grid;gap:12px}
.faq-list details,.legal details{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px}
.faq-list summary,.legal summary{cursor:pointer;font-weight:800}
.faq-list p,.legal p{margin:12px 0 0;color:var(--muted)}
.cta-band{background:var(--ink);color:#fff;padding:52px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}
.cta-inner h2{margin:0;font-size:34px;line-height:1.18}
.cta-inner p{margin:8px 0 0;color:rgba(255,255,255,.76)}
.cta-inner .secondary{border-color:rgba(255,255,255,.65);color:#fff}
.legal{padding:48px 0;background:var(--panel-warm)}
.legal .legal-list{display:grid;gap:10px;margin-top:24px}
.legal-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;color:var(--muted);font-size:14px}
.site-footer{background:#171719;color:#d8d8d8;padding:28px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{text-decoration:none;color:#d8d8d8}
.policy-page{background:#f7f7f3}
.policy-header .nav{min-height:66px}
.policy-main{padding:64px 0}
.policy-card{max-width:880px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:8px;padding:38px}
.policy-card .meta{color:var(--muted);margin:0 0 18px}
.policy-card .lead{color:var(--soft-ink);font-size:18px;margin:18px 0 28px}
.policy-card h2{font-size:24px;margin:30px 0 10px}
.policy-card p,.policy-card li{color:var(--muted)}
.policy-card .footer-note{border-top:1px solid var(--line);padding-top:18px;margin-top:28px}
.mobile-support{position:fixed;right:14px;bottom:14px;z-index:40;display:none;box-shadow:0 12px 34px rgba(0,0,0,.22)}
@media (max-width:980px){
  .nav-links{display:none}
  .hero{min-height:620px}
  .strip-grid,.card-grid,.service-grid,.notice-grid{grid-template-columns:1fr}
  .section-head,.cta-inner{display:block}
  .section-intro{margin-top:14px}
  .cta-inner .hero-actions{margin-top:22px}
}
@media (max-width:560px){
  .wrap{width:min(100% - 28px,1180px)}
  .nav{min-height:64px}
  .brand span{font-size:14px}
  .nav-actions .secondary{display:none}
  .btn{padding:0 14px}
  .hero{min-height:650px}
  .hero-content{padding:96px 0 54px}
  .lead{font-size:17px}
  .section{padding:58px 0}
  .policy-card{padding:24px}
  .footer-inner{display:block}
  .footer-links{margin-top:12px}
  .mobile-support{display:inline-flex}
}