:root{
  --bg:#f3f7fc;
  --bg2:#eaf3ff;
  --card:#ffffff;
  --line:#d9e5f2;
  --text:#17283f;
  --muted:#67809a;
  --primary:#36a8e0;
  --primary-dark:#208cc0;
  --primary-soft:#ecf8ff;
  --accent:#ff9f4a;
  --success:#2ea96b;
  --danger:#cf5b5b;
  --max:1180px;
  --radius:18px;
  --shadow:0 14px 40px rgba(35,89,140,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  background:
    radial-gradient(circle at top right, #ffffff 0, #f7fbff 24%, #f3f7fc 55%, #eef4fb 100%);
  color:var(--text);
  line-height:1.65;
}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max),calc(100% - 24px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:30;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(217,229,242,.9);
}
.topbar-inner{
  min-height:74px;
  display:flex;align-items:center;justify-content:space-between;gap:18px
}
.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800}
.brand-mark{
  width:10px;height:36px;background:linear-gradient(180deg,var(--primary),#7dd2ff);
  border-radius:999px;
  box-shadow:0 10px 24px rgba(54,168,224,.28);
}
.nav{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:15px}
.nav a{
  padding:8px 12px;border-radius:999px;transition:.2s ease
}
.nav a:hover,.nav a.active{
  color:var(--text);
  background:#f1f8ff;
  font-weight:700
}
.hero{padding:28px 0 14px}
.hero-card{
  background:linear-gradient(135deg,#ffffff 0,#f5fbff 55%,#eef8ff 100%);
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  box-shadow:var(--shadow)
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:999px;
  background:var(--primary-soft);
  color:#2d7598;
  font-size:13px;font-weight:700
}
h1{margin:14px 0 10px;font-size:40px;line-height:1.08}
h2{margin:0 0 10px;font-size:26px;line-height:1.18}
h3{margin:0 0 8px;font-size:20px}
.lead,.muted{color:var(--muted)}
.lead{font-size:17px}
.section{padding:18px 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow)
}
.card.tight{padding:16px}
.row{display:grid;gap:8px;margin-bottom:14px}
label{font-weight:700}
input,textarea,select{
  width:100%;
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:var(--text);
  outline:none;
  transition:border-color .15s ease, box-shadow .15s ease
}
textarea{min-height:160px;resize:vertical}
input:focus,textarea:focus,select:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(54,168,224,.08)
}
.btn{
  border:none;
  background:linear-gradient(180deg,var(--primary),var(--primary-dark));
  color:#fff;
  padding:13px 18px;
  border-radius:14px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 12px 24px rgba(54,168,224,.2)
}
.btn.secondary{
  background:linear-gradient(180deg,#8394a6,#67798b);
  box-shadow:none
}
.btn.ghost{
  background:#eef7ff;
  color:#236d94;
  box-shadow:none
}
.btn.full{width:100%}
.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.tag{
  display:inline-block;
  padding:5px 11px;
  border-radius:999px;
  background:var(--primary-soft);
  color:#2d7497;
  font-size:12px;
  font-weight:700
}
.notice{
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fafcff
}
.notice.warn{border-color:#ffd9bf;background:#fff8f2}
.notice.ok{border-color:#cce9da;background:#f6fffa}
.notice.danger{border-color:#f1cccc;background:#fff6f6}
.result-box{
  margin-top:14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fafcff
}
.address-box{
  padding:13px 14px;
  border:1px dashed #c8d9ea;
  border-radius:14px;
  background:#fbfdff;
  font-family:ui-monospace,Consolas,monospace;
  word-break:break-all
}
.qr-wrap{
  min-height:290px;
  display:grid;place-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:14px
}
.quick-row{display:flex;gap:8px;flex-wrap:wrap}
.quick-btn{
  min-width:88px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  font-weight:700;
  color:#37556f;
  transition:.18s ease
}
.quick-btn.active{
  border-color:var(--primary);
  background:#edf9fe;
  color:#196e98
}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.info-pill{
  padding:14px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line)
}
.results-table{
  width:100%;
  border-collapse:collapse;
  margin-top:12px;
  font-size:14px
}
.results-table th,.results-table td{
  border-bottom:1px solid var(--line);
  padding:10px 8px;
  text-align:left;
  vertical-align:top
}
.results-table th{background:#f7fbff}
.footer{padding:30px 0 42px;color:var(--muted)}
.small{font-size:13px}
.anchor-box{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:18px
}
.anchor-link{
  padding:10px 14px;border-radius:12px;background:#fff;border:1px solid var(--line);font-weight:700;color:#2f5875
}
.page-cta{
  display:flex;flex-direction:column;justify-content:center;height:100%
}
.divider-title{
  display:flex;align-items:center;gap:10px;margin-bottom:12px
}
.divider-title:after{
  content:"";flex:1;height:1px;background:var(--line)
}
.steps{display:grid;gap:12px}
.step-card{
  padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff
}
.faq details{
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
  background:#fff
}
.faq details + details{margin-top:10px}
.faq summary{
  cursor:pointer;
  font-weight:700;
  list-style:none
}
.faq summary::-webkit-details-marker{display:none}
.faq p{margin:10px 0 0;color:var(--muted)}
.highlight-box{
  padding:16px 18px;
  border-radius:18px;
  background:linear-gradient(135deg,#eef8ff,#ffffff);
  border:1px solid var(--line)
}
.mobile-sticky-cta{
  display:none
}
@media (max-width: 980px){
  .hero-grid,.grid,.grid-3,.mini-grid{grid-template-columns:1fr}
  h1{font-size:30px}
  .nav{display:none}
  .mobile-sticky-cta{
    display:flex;gap:10px;
    position:sticky;bottom:10px;z-index:25;
    padding:0 12px 12px
  }
  .mobile-sticky-cta .btn{flex:1}
}