:root{
  --ink:#16202a;
  --muted:#65717d;
  --blue:#185b96;
  --blue2:#0f477a;
  --pale:#eef5fb;
  --line:#e6ebef;
  --paper:#ffffff;
  --soft:#f7f9fb;
  --accent:#b9923f;
  --radius:18px;
  --shadow:0 10px 30px rgba(23,42,58,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1160px,92%);margin:0 auto}
.topbar{background:#0f3353;color:#fff;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:24px;color:var(--blue2)}
.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(145deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:800;box-shadow:var(--shadow)}
.brand small{display:block;color:var(--muted);font-weight:500;font-size:11px;line-height:1.2}
.links{display:flex;align-items:center;gap:24px;font-size:15px}
.links a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 20px;background:var(--blue);color:#fff;font-weight:700;border:1px solid var(--blue);transition:.2s}
.btn:hover{transform:translateY(-1px);background:var(--blue2)}
.btn.ghost{background:#fff;color:var(--blue);border-color:#c9d9e7}
.btn.light{background:#fff;color:var(--blue);border-color:#fff}
.hero{padding:78px 0 58px;background:radial-gradient(circle at 85% 20%,#dfeefa 0,transparent 34%),linear-gradient(180deg,#fff,#f8fbfe)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:46px;align-items:center}
.kicker{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border-radius:999px;background:var(--pale);color:var(--blue);font-weight:700;font-size:14px}
h1{font-size:clamp(38px,5vw,64px);line-height:1.13;margin:18px 0 16px;letter-spacing:-1.5px}
h1 span{color:var(--blue)}
.lead{font-size:19px;color:#44515d;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.trust-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:25px;color:#52606d;font-size:14px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}
.hero-card h3{margin:0 0 6px;font-size:18px}
.price{font-size:36px;font-weight:800;color:var(--blue);line-height:1.2}
.price small{font-size:15px;color:var(--muted);font-weight:500}
.price-card{padding:18px;border-radius:16px;background:var(--soft);margin-top:14px}
section{padding:72px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:36px;line-height:1.25;margin:0 0 10px}
.section-head p{margin:0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 6px 18px rgba(20,40,55,.04)}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0;color:var(--muted)}
.badge{display:inline-block;font-size:12px;font-weight:800;color:var(--blue);background:var(--pale);padding:5px 9px;border-radius:999px;margin-bottom:12px}
.band{background:var(--blue2);color:#fff}
.band .section-head p,.band .muted{color:#d9e7f3}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:22px;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:rgba(255,255,255,.06)}
.stat strong{display:block;font-size:28px}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.step{position:relative;padding:20px;border:1px solid var(--line);border-radius:16px}
.step b{display:inline-grid;width:34px;height:34px;place-items:center;border-radius:50%;background:var(--blue);color:#fff;margin-bottom:10px}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-weight:700;cursor:pointer}
.faq p{color:var(--muted);margin:10px 0 0}
.contact{display:grid;grid-template-columns:1fr .65fr;gap:32px;align-items:start}
.contact-box{background:var(--soft);border-radius:22px;padding:28px;border:1px solid var(--line)}
.qr{width:min(290px,100%);border-radius:18px;border:1px solid var(--line);background:#fff}
.list{padding-left:18px;color:#4c5966}
.list li{margin:8px 0}
.page-hero{padding:58px 0;background:linear-gradient(180deg,#f5f9fd,#fff)}
.page-hero h1{font-size:46px;margin:8px 0 12px}
.breadcrumb{color:var(--muted);font-size:14px}
.article{max-width:860px}
.article h2{margin-top:34px;font-size:28px}
.article h3{margin-top:26px}
.notice{background:#fff8e8;border:1px solid #f0dfaf;border-radius:14px;padding:16px 18px;color:#6b5a2e}
.cta{border-radius:24px;padding:34px;background:linear-gradient(135deg,#15598f,#0e3f6a);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta h2{margin:0}
footer{background:#0e2436;color:#dbe4eb;padding:42px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
footer h4{color:#fff;margin-top:0}
footer a{color:#dbe4eb}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:13px;color:#9fb1bf}
.mobile-call{display:none}
@media(max-width:900px){
  .links{display:none}
  .hero-grid,.contact{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  h1{font-size:42px}
}
@media(max-width:600px){
  .topbar{display:none}
  .nav{min-height:64px}
  .brand{font-size:20px}
  .grid,.stats,.steps{grid-template-columns:1fr}
  section{padding:54px 0}
  .hero{padding:48px 0 42px}
  .hero-card{padding:20px}
  .section-head h2{font-size:30px}
  .page-hero h1{font-size:36px}
  .mobile-call{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:50}
  body{padding-bottom:74px}
}