:root{
  --primary:#3761ff;--primary-dark:#2448cc;--primary-soft:#edf2ff;
  --ink:#111827;--muted:#526075;--line:#dfe5ef;--surface:#f7f9fc;
  --success:#087f5b;--warning:#9a5b00;--radius:18px;--shadow:0 18px 48px rgba(17,24,39,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;max-width:100%;overflow-x:hidden;background:#fff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;font-size:16px;line-height:1.75}
a{color:var(--primary-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.skip-link{position:absolute;left:-9999px;top:12px;background:#fff;padding:10px 16px;border-radius:10px;z-index:999}
.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{max-width:1180px;margin:auto;min-height:76px;padding:10px 24px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;color:var(--ink);font-size:18px;font-weight:800;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand img{width:54px;height:43px;object-fit:contain;margin-right:8px}
.nav-links{margin-left:auto;display:flex;align-items:center;justify-content:flex-end;gap:20px;flex-wrap:wrap;font-size:15px;font-weight:600}
.nav-links a{color:#334155}
.nav-links .nav-cta{background:var(--primary);color:#fff;padding:10px 18px;border-radius:999px}
.nav-links .nav-cta:hover{background:var(--primary-dark);text-decoration:none}
.hero{background:radial-gradient(circle at 85% 15%,#dfe7ff 0,transparent 35%),linear-gradient(180deg,#f4f7ff 0,#fff 90%);padding:88px 24px 72px;border-bottom:1px solid var(--line)}
.hero-inner,.page{max-width:1080px;margin:auto}
.eyebrow{display:inline-flex;align-items:center;background:#e8eeff;color:#2949b7;border:1px solid #cfd9ff;padding:6px 13px;border-radius:999px;font-size:14px;font-weight:750;letter-spacing:.04em}
h1{max-width:850px;margin:20px 0 16px;font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.03em}
.lead{max-width:820px;margin:0;color:#3f4d63;font-size:19px;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-meta span{font-size:14px;color:#475569;background:#fff;border:1px solid var(--line);padding:7px 12px;border-radius:10px}
.page{padding:68px 24px 84px}
.section{margin-bottom:64px}
.section:last-child{margin-bottom:0}
h2{font-size:30px;line-height:1.3;margin:0 0 16px}
h3{font-size:20px;line-height:1.4;margin:0 0 10px}
p{margin:0 0 16px}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;box-shadow:0 8px 28px rgba(17,24,39,.04)}
.card p:last-child{margin-bottom:0}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;margin-top:22px}
table{width:100%;border-collapse:collapse;min-width:760px;background:#fff;font-size:15px}
th,td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:#f1f5fa;font-size:14px;color:#3d4b60}
tr:last-child td{border-bottom:0}
.status{display:inline-flex;padding:4px 10px;border-radius:999px;font-size:14px;font-weight:750;white-space:nowrap}
.status.available{background:#e6f7f0;color:var(--success)}
.status.validating{background:#fff3d6;color:var(--warning)}
.status.planned{background:#edf0f5;color:#5b6472}
.steps{counter-reset:steps;display:grid;gap:16px;margin-top:24px}
.step{position:relative;padding:20px 22px 20px 72px;border:1px solid var(--line);border-radius:16px;background:#fff}
.step:before{counter-increment:steps;content:counter(steps);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:800}
.list{padding-left:22px;margin:12px 0 0}
.list li{margin:8px 0}
.contact-list{display:grid;gap:14px;margin-top:20px}
.contact-item{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:14px}
.contact-item strong{min-width:150px}
.site-footer{background:#111827;color:#d8dfeb;padding:42px 24px}
.footer-inner{max-width:1080px;margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;font-size:14px}
.site-footer h2,.site-footer h3{color:#fff;font-size:17px;margin-bottom:10px}
.site-footer a{display:block;color:#d8dfeb;margin:7px 0}
.footer-bottom{max-width:1080px;margin:28px auto 0;padding-top:20px;border-top:1px solid #334155;color:#aeb8c8;font-size:14px}
@media(max-width:820px){
  .nav{align-items:flex-start;flex-wrap:wrap}.nav-links{width:100%;margin-left:0;justify-content:flex-start;gap:14px}
  .hero{padding-top:60px}.grid,.grid.two,.footer-inner{grid-template-columns:1fr}
  h2{font-size:26px}.lead{font-size:17px}.page{padding-top:52px}
}
@media(max-width:520px){.nav,.page,.hero{padding-left:16px;padding-right:16px}.nav-links{width:100%;max-width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 8px}.nav-links a{min-width:0;min-height:44px;padding:5px 2px;display:inline-flex;align-items:center;justify-content:center;text-align:center;white-space:normal}.nav-links .nav-cta{padding:7px 8px}.card{padding:20px}.contact-item{display:block}.contact-item strong{display:block;margin-bottom:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}