:root {
  --ink: #12262c;
  --ink-soft: #3d555c;
  --teal: #0b6b6e;
  --teal-deep: #084e51;
  --gold: #b8893d;
  --gold-soft: #e8d4ad;
  --cream: #f4efe6;
  --paper: #fbf8f3;
  --white: #fff;
  --line: rgba(19, 38, 43, 0.12);
  --shadow: 0 18px 50px rgba(8, 50, 53, 0.1);
  --radius: 18px;
  --header-h: 76px;
  --max: 1120px;
  --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-deep); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--teal); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 40; height: var(--header-h);
  background: rgba(251, 248, 243, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(145deg, var(--teal), var(--teal-deep));
  color: var(--gold-soft); display: grid; place-items: center; font-size: 15px;
}
.logo-text small { display: block; font-weight: 500; font-size: 12px; color: var(--ink-soft); }
.lang-switch { font-size: 13px; color: var(--ink-soft); white-space: nowrap; }
.lang-switch a { color: var(--ink-soft); padding: 4px 6px; }
.lang-switch a.is-active { color: var(--teal-deep); font-weight: 700; }

.nav-toggle {
  display: none; width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--white); cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--ink); }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-soft); padding: 8px 10px; border-radius: 999px;
  min-height: 44px; display: inline-flex; align-items: center; font-size: 15px;
}
.site-nav a:hover, .site-nav a.is-active {
  color: var(--teal-deep); background: rgba(11, 107, 110, 0.08);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px; border-radius: 999px;
  border: 1px solid transparent; font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-deep); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); }

.legal-banner {
  background: var(--teal-deep); color: #e8f2f2;
  font-size: 13px; padding: 8px 0; letter-spacing: 0.02em;
}
.legal-banner strong { color: #fff; }
.legal-banner a { color: var(--gold-soft); }

.hero {
  overflow: hidden; padding: 56px 0 72px;
  background:
    radial-gradient(900px 420px at 90% -10%, rgba(184, 137, 61, 0.18), transparent 60%),
    radial-gradient(700px 380px at 0% 20%, rgba(18, 138, 143, 0.16), transparent 55%),
    linear-gradient(180deg, #eef6f4 0%, var(--paper) 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: start; }
.eyebrow {
  display: inline-flex; color: var(--teal); font-size: 13px;
  letter-spacing: 0.14em; font-weight: 700;
}
.hero h1 { margin: 12px 0 16px; font-size: clamp(28px, 4.5vw, 46px); line-height: 1.25; }
.lede { color: var(--ink-soft); font-size: 18px; max-width: 42em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-panel {
  background: var(--white); border: 1px solid var(--line);
  border-radius: 24px; box-shadow: var(--shadow); padding: 24px;
}
.hero-panel h2 { margin: 0 0 14px; font-size: 17px; }
.stat-list { display: grid; gap: 12px; }
.stat-item {
  display: flex; justify-content: space-between; gap: 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line); font-size: 15px;
}
.stat-item span { color: var(--ink-soft); }
.stat-item strong { color: var(--teal-deep); text-align: right; }

section { padding: 64px 0; }
.section-head { max-width: 720px; margin-bottom: 32px; }
.section-head h2 { margin: 8px 0 10px; font-size: clamp(24px, 3vw, 34px); }
.muted { color: var(--ink-soft); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { margin: 10px 0 8px; font-size: 19px; }
.card p { margin: 0 0 8px; color: var(--ink-soft); }
.icon-dot {
  width: 42px; height: 42px; border-radius: 12px;
  background: rgba(11, 107, 110, 0.1); color: var(--teal);
  display: grid; place-items: center; font-weight: 700;
}
.band { background: var(--cream); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.steps { display: grid; gap: 16px; }
.step { display: grid; grid-template-columns: 48px 1fr; gap: 14px; }
.step-num {
  width: 48px; height: 48px; border-radius: 50%; background: var(--teal);
  color: #fff; display: grid; place-items: center; font-weight: 700;
}
.cta-band { background: linear-gradient(135deg, var(--teal-deep), var(--teal)); color: #fff; }
.cta-band h2, .cta-band p { color: #fff; }
.cta-band .muted { color: rgba(255,255,255,.85); }

.page-hero { padding: 40px 0 24px; background: linear-gradient(180deg, #eef6f4, var(--paper)); }
.crumbs { font-size: 14px; color: var(--ink-soft); margin-bottom: 12px; }
.crumbs a { color: var(--ink-soft); }
.article { max-width: 780px; }
.prose h2 { margin-top: 28px; }
.prose p, .prose li { color: var(--ink-soft); }

.identity-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
.identity-table th, .identity-table td {
  text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top;
}
.identity-table th { width: 34%; color: var(--ink-soft); font-weight: 600; background: #f3f7f7; }

.form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
input, textarea, select {
  width: 100%; min-height: 46px; border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 12px; font: inherit; background: #fff;
}
textarea { min-height: 140px; resize: vertical; }
.form-note { font-size: 13px; color: var(--ink-soft); font-weight: 400; }
.form-success {
  display: none; background: #e8f6ef; border: 1px solid #b7e0c8;
  color: #1b5e3b; padding: 14px 16px; border-radius: 12px;
}
.form-success.is-show { display: block; }

.site-footer { background: #0f2428; color: #d7e4e6; padding: 48px 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 28px;
  padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.site-footer a { color: #d7e4e6; }
.site-footer a:hover { color: var(--gold-soft); }
.site-footer h3 { margin: 0 0 12px; color: #fff; font-size: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 8px 0; }
.footer-legal { padding-top: 18px; font-size: 14px; line-height: 1.9; }
.footer-legal a { color: var(--gold-soft); }

.back-top {
  position: fixed; right: 18px; bottom: 18px; width: 44px; height: 44px;
  border: 0; border-radius: 50%; background: var(--teal); color: #fff;
  cursor: pointer; display: none; z-index: 30;
}
.back-top.is-show { display: grid; place-items: center; }

.news-list { display: grid; gap: 16px; }
.news-item {
  display: grid; grid-template-columns: 120px 1fr; gap: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
}
.news-date { color: var(--teal); font-weight: 700; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  background: rgba(184, 137, 61, 0.16); color: #8a6424;
  font-size: 12px; font-weight: 700;
}

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: var(--header-h);
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 12px 20px 20px;
  }
  .site-nav.is-open { display: flex; }
  .hero-grid, .split, .footer-grid, .news-item, .card-grid { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
  .hero { padding: 36px 0 48px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}