:root{
  --brand:#48CBFF;
  --dark:#3E4042;
  --dark-2:#2f3337;
  --paper:#f5f8fa;
  --white:#ffffff;
  --text:#22282d;
  --muted:#64717a;
  --line:#dbe3e8;
  --success:#16794b;
  --danger:#b42318;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"K2D","Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{width:min(1100px,calc(100% - 36px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(62,64,66,.97);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.header-logo{width:230px;max-height:64px;object-fit:contain;object-position:left center}
.nav{display:flex;align-items:center;gap:20px}
.nav a{color:#fff;text-decoration:none;font-size:.95rem}
.nav a:hover,.nav a:focus{color:var(--brand)}
.nav .portal{
  border:1px solid var(--brand);border-radius:9px;padding:8px 13px;color:var(--brand);font-weight:700
}
.hero{
  background:
    radial-gradient(circle at 78% 20%,rgba(72,203,255,.20),transparent 32%),
    linear-gradient(145deg,var(--dark),var(--dark-2));
  color:#fff;padding:88px 0 82px;
}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:54px}
.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.83rem}
h1{font-size:clamp(2.45rem,6vw,4.7rem);line-height:1.04;margin:.4rem 0 1rem;letter-spacing:-.035em}
.hero p{max-width:650px;color:#e2e9ed;font-size:1.12rem}
.cn{display:block;margin-top:.65rem;color:#c7d3da}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:11px 20px;border-radius:10px;text-decoration:none;
  font-weight:800;border:2px solid transparent;cursor:pointer;font:inherit
}
.btn-primary{background:var(--brand);color:#172126}
.btn-secondary{border-color:rgba(255,255,255,.5);color:#fff}
.hero-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  border-radius:22px;padding:28px
}
.hero-card strong{display:block;color:var(--brand);font-size:1.25rem;margin-bottom:8px}
.hero-card p{font-size:.98rem;margin:0}
.section{padding:72px 0}
.section.white{background:#fff}
.section-title{text-align:center;max-width:760px;margin:0 auto 36px}
.section-title h2{font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.15;margin:0 0 12px}
.section-title p{color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px}
.card .number{color:var(--brand);font-size:1rem;font-weight:900}
.card h3{font-size:1.25rem;margin:8px 0}
.card p{color:var(--muted);margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.quote{
  background:var(--dark);color:#fff;border-radius:22px;padding:34px;border-left:7px solid var(--brand)
}
.quote h2{font-size:2rem;margin:0 0 12px}
.quote .cn{color:#dce7ec}
.points{display:grid;gap:18px}
.point{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}
.point-mark{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(72,203,255,.18);color:#087da8;font-weight:900
}
.point h3{margin:0 0 3px;font-size:1.05rem}
.point p{margin:0;color:var(--muted)}
.cta{background:var(--brand);color:#172126;padding:54px 0}
.cta-row{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta h2{margin:0;font-size:clamp(1.8rem,4vw,2.7rem)}
.cta p{margin:5px 0 0}
.cta .btn{background:var(--dark);color:#fff;white-space:nowrap}
.site-footer{background:#272b2f;color:#cbd4d9;padding:30px 0}
.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:center}
.footer-row a{color:var(--brand);text-decoration:none}
.page-hero{background:var(--dark);color:#fff;padding:58px 0}
.page-hero h1{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:8px}
.form-shell{max-width:780px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field.full{grid-column:1/-1}
label{display:block;font-weight:800;margin-bottom:6px}
.help{display:block;color:var(--muted);font-size:.85rem;font-weight:400}
input,select,textarea{
  width:100%;border:1.5px solid #cbd5dc;border-radius:10px;padding:12px 13px;
  font:inherit;background:#fff;color:var(--text)
}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(72,203,255,.22);border-color:#159bce}
.form-submit{background:var(--brand);color:#172126;border:0;width:100%}
.notice{border-radius:12px;padding:13px 15px;margin-bottom:20px}
.notice.success{background:#e9f8f0;color:var(--success)}
.notice.error{background:#fff0ef;color:var(--danger)}
.small-print{font-size:.86rem;color:var(--muted)}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
@media(max-width:800px){
  .header-row{min-height:68px}.header-logo{width:180px}
  .nav a:not(.portal){display:none}
  .hero{padding:65px 0}.hero-grid,.split{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .cta-row,.footer-row{align-items:flex-start;flex-direction:column}
  .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
}