:root {
  --navy: #0b2545;
  --navy-2: #13325e;
  --blue: #1f4e9c;
  --blue-light: #e8effa;
  --gold: #f2c14e;
  --ink: #1c2430;
  --muted: #5b6775;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(11, 37, 69, 0.08);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--navy); font-weight: 700; font-size: 18px; letter-spacing: 0.2px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  display: grid; place-items: center; color: var(--gold); font-weight: 800; font-size: 15px;
}
.brand small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); letter-spacing: 0.4px; line-height: 1.1; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { color: var(--ink); font-size: 14px; font-weight: 500; }
.nav a:hover { color: var(--blue); text-decoration: none; }
.lang { display: flex; gap: 6px; border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang a { padding: 3px 10px; border-radius: 999px; font-size: 12px; color: var(--muted); }
.lang a.active { background: var(--navy); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 18px; }

/* hero */
.hero {
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(242,193,78,0.18), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff; padding: 84px 0 72px;
}
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; color: #fff;
}
.hero .eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.hero h1 { font-size: clamp(30px, 4.4vw, 48px); line-height: 1.15; margin: 20px 0 14px; max-width: 780px; font-weight: 800; }
.hero p.lead { font-size: 18px; max-width: 700px; color: rgba(255,255,255,0.82); margin: 0 0 28px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: transform .08s ease, box-shadow .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { box-shadow: 0 8px 24px rgba(242,193,78,0.35); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-dark { background: var(--navy); color: #fff; }
.hero .facts { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 40px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.15); }
.hero .facts div { font-size: 13px; color: rgba(255,255,255,0.7); }
.hero .facts strong { display: block; font-size: 17px; color: #fff; font-weight: 700; }

/* sections */
section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head .kicker { color: var(--blue); font-weight: 700; font-size: 12px; letter-spacing: 1.6px; text-transform: uppercase; }
.section-head h2 { font-size: clamp(24px, 3vw, 34px); margin: 8px 0 10px; line-height: 1.2; color: var(--navy); }
.section-head p { color: var(--muted); margin: 0; font-size: 16px; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow);
}
.card .icon {
  width: 42px; height: 42px; border-radius: 10px; background: var(--blue-light);
  color: var(--blue); display: grid; place-items: center; font-weight: 800; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 17px; color: var(--navy); }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.card ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); font-size: 14px; }
.card li { margin: 4px 0; }

/* verify */
.verify-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px; }
.verify-box form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; font: inherit; font-size: 14px;
}
.field input:focus { outline: 2px solid rgba(31,78,156,0.25); border-color: var(--blue); }
.verify-note { font-size: 13px; color: var(--muted); margin-top: 14px; }
.verify-result { margin-top: 20px; display: none; }
.verify-result.show { display: block; }
.result-ok, .result-none { border-radius: 10px; padding: 18px 20px; }
.result-ok { background: #edf8f0; border: 1px solid #bfe5c8; }
.result-none { background: #fff6e5; border: 1px solid #f3dcaa; }
.result-ok h4 { margin: 0 0 10px; color: #176a35; font-size: 16px; }
.result-none h4 { margin: 0 0 6px; color: #9a6200; font-size: 16px; }
.result-ok dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; font-size: 14px; }
.result-ok dt { color: var(--muted); }
.result-ok dd { margin: 0; font-weight: 600; }

/* table */
.cmp { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14px; }
.cmp th, .cmp td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.cmp th { background: var(--navy); color: #fff; font-weight: 600; }
.cmp tr:last-child td { border-bottom: 0; }
.cmp td:first-child { font-weight: 600; color: var(--navy); width: 22%; }
.cmp ul { margin: 0; padding-left: 18px; color: var(--muted); }
.table-wrap { overflow-x: auto; border-radius: var(--radius); }

/* steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { position: relative; padding: 22px 20px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: -14px; left: 18px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--gold); color: var(--navy); font-weight: 800; display: grid; place-items: center; font-size: 14px;
}
.step h4 { margin: 6px 0 6px; font-size: 15px; color: var(--navy); }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* about */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: start; }
.about p { color: var(--muted); }
.info-card { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 26px; }
.info-card h3 { margin: 0 0 14px; font-size: 18px; }
.info-card dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0; font-size: 14px; }
.info-card dt { color: rgba(255,255,255,0.6); }
.info-card dd { margin: 0; }
.info-card a { color: var(--gold); }
.badge { display: inline-block; background: rgba(242,193,78,0.15); color: var(--gold); border: 1px solid rgba(242,193,78,0.4); border-radius: 999px; padding: 3px 10px; font-size: 12px; margin-top: 14px; }

/* contact */
.contact { background: linear-gradient(180deg, var(--navy-2), var(--navy)); color: #fff; text-align: center; }
.contact h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 10px; }
.contact p { color: rgba(255,255,255,0.78); max-width: 640px; margin: 0 auto 26px; }
.contact .mail { font-size: 22px; font-weight: 700; color: var(--gold); }

/* footer */
footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr 1fr; }
  .about { grid-template-columns: 1fr; }
  .verify-box form { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; padding: 14px 24px; gap: 14px; }
  .nav.open { display: flex; }
  .nav-toggle { display: inline-block; }
  .hero { padding: 56px 0 48px; }
  section { padding: 52px 0; }
}