:root {
  --ink: #17324d;
  --ink-soft: #4f6578;
  --navy: #0d3550;
  --teal: #0a7e83;
  --teal-dark: #075e63;
  --mint: #eaf6f3;
  --coral: #e7775f;
  --coral-soft: #fff0ec;
  --sky: #eaf3f8;
  --line: #dbe7ec;
  --paper: #f8fbfc;
  --white: #ffffff;
  --shadow: 0 18px 44px rgba(24, 52, 77, .10);
  --radius: 12px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.demo-strip {
  background: #102e42;
  color: #f4fbfd;
  font-size: 13px;
  letter-spacing: .02em;
  padding: 8px 20px;
  text-align: center;
}
.demo-strip strong { color: #ffd0c4; }

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  background: rgba(248, 251, 252, .96);
  border-bottom: 1px solid rgba(219, 231, 236, .86);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}
.nav-wrap {
  align-items: center;
  display: flex;
  gap: 28px;
  min-height: 76px;
}
.brand { align-items: center; display: flex; gap: 12px; min-width: 240px; }
.brand-mark {
  align-items: center;
  background: var(--teal);
  border-radius: 9px;
  color: white;
  display: inline-flex;
  height: 40px;
  justify-content: center;
  width: 40px;
}
.brand-mark svg { width: 22px; }
.brand-title { display: block; font-size: 17px; font-weight: 800; letter-spacing: .02em; }
.brand-subtitle { color: var(--ink-soft); display: block; font-size: 10px; margin-top: -2px; white-space: nowrap; }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  padding: 9px 12px;
  transition: .2s ease;
}
.nav-links a:hover, .nav-links a.active { background: var(--mint); color: var(--teal-dark); }
.menu-toggle {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: none;
  height: 40px;
  margin-left: auto;
  width: 40px;
}

.hero {
  align-items: end;
  background:
    linear-gradient(90deg, rgba(7, 39, 58, .83) 0%, rgba(7, 39, 58, .52) 45%, rgba(7, 39, 58, .08) 100%),
    url("https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?auto=format&fit=crop&w=2200&q=85") center/cover;
  color: white;
  display: flex;
  min-height: 540px;
}
.hero-inner { padding: 82px 0 76px; max-width: 720px; }
.eyebrow { color: var(--coral); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.hero .eyebrow { color: #ffd0c4; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(36px, 5vw, 64px); line-height: 1.1; letter-spacing: -.03em; margin-bottom: 20px; }
h2 { font-size: clamp(27px, 3.2vw, 42px); letter-spacing: -.025em; line-height: 1.15; margin-bottom: 14px; }
h3 { font-size: 20px; line-height: 1.3; margin-bottom: 9px; }
.hero-lead { color: rgba(255,255,255,.83); font-size: 18px; max-width: 610px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  padding: 0 17px;
  transition: .2s ease;
}
.button svg { height: 17px; width: 17px; }
.button-primary { background: var(--coral); color: white; }
.button-primary:hover { background: #d45f49; transform: translateY(-1px); }
.button-light { background: white; color: var(--navy); }
.button-light:hover { background: #f4fafc; transform: translateY(-1px); }
.button-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.button-outline:hover { border-color: var(--teal); color: var(--teal-dark); }
.button-outline-light { background: transparent; border-color: rgba(255,255,255,.4); color: white; }
.button-outline-light:hover { background: rgba(255,255,255,.12); }

.section { padding: 82px 0; }
.section-tight { padding: 55px 0; }
.section-head { align-items: end; display: flex; gap: 30px; justify-content: space-between; margin-bottom: 30px; }
.section-head p { color: var(--ink-soft); margin-bottom: 0; max-width: 480px; }
.muted { color: var(--ink-soft); }
.small { font-size: 13px; }
.source-note {
  align-items: center;
  color: var(--ink-soft);
  display: inline-flex;
  font-size: 12px;
  gap: 6px;
}
.source-note svg { color: var(--teal); height: 14px; width: 14px; }
.status {
  border-radius: 999px;
  display: inline-flex;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .03em;
  padding: 4px 8px;
  white-space: nowrap;
}
.status-verified { background: #e7f5ee; color: #28724f; }
.status-sim { background: #fff0eb; color: #bd533e; }
.status-pending { background: #eef3f7; color: #5c7081; }

.fact-grid { display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); margin-top: -46px; position: relative; z-index: 2; }
.fact-card { background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); min-height: 142px; padding: 21px; }
.fact-card .label { color: var(--ink-soft); font-size: 12px; }
.fact-card .value { font-size: 21px; font-weight: 800; line-height: 1.25; margin: 11px 0 8px; }
.fact-card p { color: var(--ink-soft); font-size: 12px; margin-bottom: 0; }

.split { align-items: center; display: grid; gap: 54px; grid-template-columns: 1fr 1fr; }
.split.reverse > :first-child { order: 2; }
.media-frame { border-radius: 12px; min-height: 390px; overflow: hidden; position: relative; }
.media-frame img { height: 100%; object-fit: cover; position: absolute; width: 100%; }
.media-caption { background: rgba(11, 51, 76, .88); bottom: 0; color: white; left: 0; padding: 16px 18px; position: absolute; right: 0; }
.media-caption strong { display: block; font-size: 14px; }
.media-caption span { color: rgba(255,255,255,.72); font-size: 12px; }
.section-intro { color: var(--ink-soft); font-size: 17px; max-width: 650px; }

.service-grid { display: grid; gap: 15px; grid-template-columns: repeat(3, 1fr); }
.service-card, .info-card, .person-card, .faq-item, .contact-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.service-card { padding: 24px; transition: .2s ease; }
.service-card:hover { border-color: #9bcac5; box-shadow: var(--shadow); transform: translateY(-3px); }
.icon-box { align-items: center; background: var(--mint); border-radius: 9px; color: var(--teal-dark); display: inline-flex; height: 40px; justify-content: center; margin-bottom: 18px; width: 40px; }
.icon-box svg { height: 19px; width: 19px; }
.service-card p { color: var(--ink-soft); font-size: 14px; margin-bottom: 18px; }
.text-link { align-items: center; color: var(--teal-dark); display: inline-flex; font-size: 13px; font-weight: 800; gap: 5px; }
.text-link svg { height: 15px; width: 15px; }

.band { background: var(--navy); color: white; }
.band .muted, .band .section-intro { color: rgba(255,255,255,.7); }
.band .eyebrow { color: #ffd0c4; }
.band-grid { align-items: center; display: grid; gap: 35px; grid-template-columns: 1.15fr .85fr; }
.quote-panel { border-left: 2px solid var(--coral); padding: 6px 0 6px 22px; }
.quote-panel p { font-size: 21px; line-height: 1.5; }
.quote-panel span { color: rgba(255,255,255,.62); font-size: 12px; }

.page-hero { background: var(--navy); color: white; padding: 64px 0 62px; }
.page-hero h1 { font-size: clamp(34px, 5vw, 55px); max-width: 720px; }
.page-hero p { color: rgba(255,255,255,.72); font-size: 17px; max-width: 640px; }
.breadcrumbs { color: rgba(255,255,255,.62); font-size: 12px; margin-bottom: 27px; }
.breadcrumbs a { color: white; }

.info-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
.info-card { padding: 23px; }
.info-card h3 { align-items: center; display: flex; gap: 9px; justify-content: space-between; }
.info-card p:last-child { margin-bottom: 0; }
.info-list { list-style: none; margin: 0; padding: 0; }
.info-list li { border-bottom: 1px solid var(--line); display: flex; gap: 16px; justify-content: space-between; padding: 11px 0; }
.info-list li:last-child { border-bottom: 0; }
.info-list strong { font-size: 13px; }
.info-list span { color: var(--ink-soft); font-size: 13px; text-align: right; }

.timeline { display: grid; gap: 15px; grid-template-columns: repeat(4, 1fr); }
.timeline-step { border-top: 3px solid var(--teal); padding-top: 15px; }
.timeline-num { color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.timeline-step p { color: var(--ink-soft); font-size: 13px; }

.person-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.person-card { overflow: hidden; }
.person-card img { aspect-ratio: 1.18; object-fit: cover; width: 100%; }
.person-body { padding: 18px; }
.person-body h3 { margin-bottom: 3px; }
.person-role { color: var(--teal-dark); font-size: 13px; font-weight: 800; }
.person-body p { color: var(--ink-soft); font-size: 13px; margin: 13px 0 0; }

.faq-list { display: grid; gap: 11px; max-width: 900px; }
.faq-item { overflow: hidden; }
.faq-question { align-items: center; background: transparent; border: 0; color: var(--ink); display: flex; font-size: 16px; font-weight: 800; justify-content: space-between; padding: 19px 20px; text-align: left; width: 100%; }
.faq-question svg { color: var(--teal); flex: 0 0 auto; transition: .2s ease; }
.faq-answer { color: var(--ink-soft); display: none; font-size: 14px; padding: 0 20px 20px; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }

.contact-layout { display: grid; gap: 18px; grid-template-columns: .9fr 1.1fr; }
.contact-card { padding: 24px; }
.contact-card h3 { margin-bottom: 16px; }
.contact-row { align-items: flex-start; display: flex; gap: 12px; margin: 16px 0; }
.contact-row svg { color: var(--teal); flex: 0 0 auto; margin-top: 3px; }
.contact-row strong { display: block; font-size: 14px; }
.contact-row span { color: var(--ink-soft); display: block; font-size: 13px; }
.map-placeholder { align-items: center; background: #dfecee; border-radius: 10px; color: var(--ink-soft); display: flex; flex-direction: column; justify-content: center; min-height: 350px; overflow: hidden; position: relative; text-align: center; }
.map-placeholder::before, .map-placeholder::after { border: 1px solid rgba(10,126,131,.23); content: ""; height: 160%; left: 15%; position: absolute; top: -30%; transform: rotate(21deg); width: 1px; }
.map-placeholder::after { left: 70%; transform: rotate(-27deg); }
.map-placeholder > * { position: relative; z-index: 1; }
.map-placeholder svg { color: var(--teal); margin-bottom: 12px; }
.map-placeholder strong { font-size: 18px; }
.map-placeholder span { font-size: 12px; margin-top: 5px; }

.notice-box { background: var(--coral-soft); border-left: 3px solid var(--coral); color: #754034; font-size: 13px; padding: 14px 17px; }
.notice-box strong { color: #a74633; }
.source-list { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.source-list li { align-items: start; display: flex; gap: 9px; }
.source-list svg { color: var(--teal); flex: 0 0 auto; margin-top: 4px; }

.site-footer { background: #0a2639; color: rgba(255,255,255,.72); margin-top: 0; padding: 42px 0 24px; }
.footer-grid { display: grid; gap: 35px; grid-template-columns: 1.25fr .75fr .9fr; }
.site-footer h3 { color: white; font-size: 14px; }
.site-footer p, .site-footer li, .site-footer a { font-size: 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); display: flex; font-size: 11px; justify-content: space-between; margin-top: 32px; padding-top: 18px; }

@media (max-width: 900px) {
  .brand { min-width: 0; }
  .nav-links { gap: 0; }
  .nav-links a { padding-left: 8px; padding-right: 8px; }
  .fact-grid { grid-template-columns: repeat(2, 1fr); margin-top: 18px; }
  .split, .band-grid, .contact-layout { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: initial; }
  .service-grid, .person-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
}
@media (max-width: 660px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .demo-strip { font-size: 11px; padding: 7px 10px; }
  .nav-wrap { min-height: 66px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links { background: var(--paper); border-bottom: 1px solid var(--line); display: none; flex-direction: column; left: 0; padding: 8px 14px 14px; position: absolute; right: 0; top: 100%; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px 10px; }
  .hero { min-height: 590px; }
  .hero-inner { padding: 72px 0 60px; }
  h1 { font-size: 41px; }
  .hero-lead { font-size: 16px; }
  .section { padding: 62px 0; }
  .section-head { align-items: start; display: block; }
  .section-head .button { margin-top: 16px; }
  .fact-grid, .info-grid, .service-grid, .person-grid { grid-template-columns: 1fr; }
  .media-frame { min-height: 300px; }
  .timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 7px; }
}