:root{
  --bg:#0b1320;
  --bg-soft:#0f1c2e;
  --card:#ffffff;
  --ink:#10233d;
  --muted:#556983;
  --line:#d8e2ee;
  --brand:#0a66d3;
  --brand-2:#1fb6ff;
  --ok:#0f9d78;
  --max:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Segoe UI",Roboto,"Noto Sans","Noto Sans SC","Noto Sans TC",Arial,sans-serif;background:#f4f8fc;color:var(--ink);line-height:1.6}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,19,32,.85);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-wrap{max-width:var(--max);margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;min-width:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;font-weight:800;color:#fff}
.brand-text{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.main-nav{display:flex;gap:8px;margin-left:12px}
.main-nav a{color:#c8d5e6;padding:8px 11px;border-radius:8px;font-weight:600;font-size:14px}
.main-nav a.active,.main-nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.menu-toggle{display:none;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;border-radius:8px;padding:7px 10px}
.header-actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:10px 14px;font-weight:700;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--brand),#005dc7);color:#fff;box-shadow:0 8px 18px rgba(10,102,211,.28)}
.btn-secondary{background:#fff;color:#0d2d52;border-color:#cdd8e6}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.hero{background:radial-gradient(circle at 20% 20%,#15325b 0,#0f1f37 35%,#0a1425 100%);color:#fff}
.hero-wrap{max-width:var(--max);margin:0 auto;padding:68px 18px 52px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.kicker{display:inline-flex;padding:6px 10px;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-size:12px;color:#cfe0f6;background:rgba(255,255,255,.06)}
h1{font-size:50px;line-height:1.08;margin:14px 0 12px;letter-spacing:-.02em}
.hero p{font-size:18px;color:#d5e3f7;max-width:62ch;margin:0}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.hero-media{border-radius:16px;overflow:hidden;box-shadow:0 18px 44px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.16)}
.trust{max-width:var(--max);margin:-16px auto 0;padding:0 18px 14px}
.trust-row{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;gap:16px;flex-wrap:wrap;align-items:center;box-shadow:0 10px 28px rgba(10,28,52,.08)}
.badge{padding:7px 10px;background:#eef4fb;border-radius:999px;color:#24476f;font-size:12px;font-weight:700}
.main{max-width:var(--max);margin:0 auto;padding:24px 18px 48px}
.section{margin:14px 0 18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.section-head{margin-bottom:12px;text-align:left}
.section-title{font-size:30px;letter-spacing:-.01em;margin:4px 0 8px}
.section-desc{margin:0;color:var(--muted)}
.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;height:100%}
.card h3{margin:6px 0 8px;font-size:19px}
.card p{margin:0;color:var(--muted)}
.metric{padding:16px;border-radius:12px;background:linear-gradient(145deg,#eff6ff,#fff);border:1px solid #dbe8f7}
.metric .num{font-size:34px;font-weight:800;line-height:1.05;margin:0;color:#0d3863}
.metric .lab{margin-top:6px;color:#4f647d;font-weight:600}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.step{position:relative;border:1px dashed #bcd0e5;border-radius:12px;background:#f8fbff;padding:12px 12px 12px 44px}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:12px;top:12px;width:24px;height:24px;border-radius:50%;background:#0a66d3;color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:14px;align-items:stretch}
.module{border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px}
.check-list{margin:8px 0 0 0;padding-left:18px}
.check-list li{margin:6px 0;color:#34516f}
.page-head{max-width:var(--max);margin:0 auto;padding:46px 18px 24px;text-align:center}
.page-head h1{font-size:42px;line-height:1.12;margin:0;color:#0f2848}
.page-head p{margin:10px auto 0;color:#4f657f;max-width:72ch;font-size:18px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}
.faq details+details{margin-top:10px}
.faq summary{cursor:pointer;font-weight:700}
.form-shell{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}
input,textarea{border:1px solid #cfdbe8;border-radius:10px;padding:10px 11px;font:inherit;color:#123}
textarea{min-height:120px;resize:vertical}
.req-mark{color:#ba1a1a;font-size:12px}.opt-mark{font-size:12px;color:#60758f}
.form-tip{margin:0;color:#5f7691}
.site-footer{background:#0b1320;color:#b8c8dd}
.footer-wrap{max-width:var(--max);margin:0 auto;padding:24px 18px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.footer-title{margin:0 0 8px;color:#fff}
.footer-bottom{margin-top:14px;padding-top:10px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
@media (max-width:980px){
  .hero-grid,.split{grid-template-columns:1fr}
  h1{font-size:40px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .menu-toggle{display:inline-block}
  .main-nav{display:none;flex-wrap:wrap;width:100%;margin:6px 0 0 0}
  .main-nav.open{display:flex}
  .header-wrap{flex-wrap:wrap}
  .header-actions{margin-left:0}
  .brand-text{max-width:190px}
  .grid-4,.grid-3,.grid-2,.form-row,.steps{grid-template-columns:1fr}
  h1{font-size:34px}
  .section-title{font-size:26px}
  .page-head h1{font-size:33px}
}