@charset "UTF-8";

:root {
  --sand: #f3ead6;
  --foam: #fff8ea;
  --ink: #1e2a24;
  --muted: #66756c;
  --moss: #3d6b4f;
  --moss-deep: #2b4d38;
  --sea: #2a8f9a;
  --sea-soft: #d5eef0;
  --coral: #e85d4c;
  --line: #d9cdb4;
  --hard: 8px 8px 0 rgba(61, 107, 79, 0.22);
  --hard-coral: 8px 8px 0 rgba(232, 93, 76, 0.22);
  --shell: 1160px;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 14px); }
body {
  margin: 0;
  padding-top: var(--header-h);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(42, 143, 154, 0.12), transparent 42%),
    var(--sand);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { border: 0; background: none; color: inherit; font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, ul, figure { margin: 0; padding: 0; }
ul { list-style: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.shell { width: min(calc(100% - 40px), var(--shell)); margin: 0 auto; }
.section { padding: 88px 0; }
.kicker { color: var(--sea); font-size: 12px; font-weight: 800; letter-spacing: 0.2em; margin-bottom: 10px; }
.section-head { max-width: 640px; margin-bottom: 42px; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; letter-spacing: -0.03em; }
.section-head p { margin-top: 10px; color: var(--muted); }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000; height: var(--header-h);
  background: rgba(243, 234, 214, 0.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px);
}
.header-inner { display: flex; height: 100%; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; gap: 10px; align-items: center; }
.brand img { width: 40px; height: 40px; border-radius: 12px; object-fit: cover; box-shadow: var(--hard); }
.brand strong { display: block; font-size: 16px; }
.brand small { display: block; color: var(--muted); font-size: 11px; }
.site-nav ul { display: flex; gap: 2px; }
.site-nav a { display: block; padding: 8px 12px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--muted); }
.site-nav a.is-current, .site-nav a:hover { background: var(--sea-soft); color: var(--moss-deep); }
.btn, .header-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: 999px; font-size: 13px; font-weight: 800;
}
.header-cta, .btn-moss { background: var(--moss); color: #fff; box-shadow: var(--hard); }
.btn-coral { background: var(--coral); color: #fff; box-shadow: var(--hard-coral); }
.btn-ghost { border: 1.5px solid var(--ink); background: var(--foam); }
.header-cta:hover, .btn-moss:hover, .btn-coral:hover, .btn-ghost:hover { transform: translate(-2px, -2px); }
.mobile-tools { display: none; gap: 8px; align-items: center; }
.menu-toggle { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; display: grid; place-items: center; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  display: block; width: 16px; height: 2px; background: var(--ink); position: relative;
}
.menu-toggle span::before, .menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -5px; } .menu-toggle span::after { top: 5px; }

.hero { padding: 48px 0 72px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 36px; align-items: center; }
.hero h1 { font-size: clamp(44px, 6.5vw, 78px); font-weight: 900; letter-spacing: -0.05em; line-height: 0.94; }
.hero h1 em { display: block; margin-top: 10px; font-style: normal; font-size: 0.34em; color: var(--coral); font-weight: 700; }
.hero-lead { margin-top: 18px; max-width: 460px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; font-size: 13px; font-weight: 700; color: var(--moss); }

.atlas {
  position: relative; min-height: 480px;
}
.island {
  position: relative; z-index: 1;
  width: min(100%, 420px); height: 420px; margin-left: auto;
  border-radius: 58% 42% 48% 52%;
  background:
    radial-gradient(circle at 30% 30%, #7bb07a, var(--moss) 55%, #2f5a48 100%);
  box-shadow: 18px 20px 0 rgba(42, 143, 154, 0.25);
  overflow: hidden;
}
.island img {
  position: absolute; inset: 18% 22% 22% 18%;
  width: auto; height: auto; max-width: none;
  width: 60%; height: 62%;
  object-fit: cover; border-radius: 40% 50% 45% 40%;
  border: 4px solid rgba(255,248,234,0.5);
}
.pin {
  position: absolute; z-index: 2; width: 140px; padding: 10px 12px;
  border-radius: 14px; background: var(--foam); border: 1.5px solid var(--line);
  font-size: 12px; font-weight: 800; box-shadow: var(--hard); animation: bob 4.8s ease-in-out infinite;
}
.pin small { display: block; color: var(--muted); font-weight: 600; margin-top: 2px; }
.pin.a { top: 8%; left: 0; }
.pin.b { top: 18%; right: 0; animation-delay: -1.2s; box-shadow: var(--hard-coral); }
.pin.c { bottom: 14%; left: 6%; animation-delay: -2s; }
.pin.d { bottom: 6%; right: 4%; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }

.districts {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px;
}
.dist {
  padding: 24px; border-radius: 20px; background: var(--foam); border: 1.5px solid var(--line); box-shadow: var(--hard);
}
.dist:nth-child(1) { grid-column: span 7; background: var(--moss); color: #fff; border: 0; }
.dist:nth-child(2) { grid-column: span 5; background: var(--sea); color: #fff; border: 0; }
.dist:nth-child(3) { grid-column: span 5; }
.dist:nth-child(4) { grid-column: span 7; background: #f6d7d2; border: 0; box-shadow: var(--hard-coral); }
.dist h3 { font-size: 20px; margin: 8px 0 10px; }
.dist p { font-size: 14px; color: var(--muted); }
.dist:nth-child(1) p, .dist:nth-child(2) p { color: rgba(255,255,255,0.9); }

.piers { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 14px; align-items: end; }
.pier {
  background: var(--foam); border: 2px solid var(--moss); overflow: hidden; box-shadow: var(--hard);
}
.pier:first-child { transform: translateY(-12px); }
.pier:nth-child(3) { transform: translateY(16px); }
.pier img { width: 100%; aspect-ratio: 9/16; object-fit: cover; }
.pier figcaption { padding: 10px 12px; background: var(--moss-deep); color: #fff; font-size: 12px; font-weight: 800; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 32px 20px; }
.stat:nth-child(1) { background: var(--moss); color: #fff; }
.stat:nth-child(2) { background: var(--sea); color: #fff; }
.stat:nth-child(3) { background: var(--coral); color: #fff; }
.stat:nth-child(4) { background: #d7b56a; color: var(--ink); }
.stat strong { display: block; font-size: clamp(26px, 3.4vw, 38px); font-weight: 900; }
.stat span { font-size: 13px; font-weight: 700; }

.compare-wrap { overflow-x: auto; border: 1.5px solid var(--line); background: var(--foam); box-shadow: var(--hard); }
.compare-table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 13px; }
.compare-table th, .compare-table td { padding: 13px 12px; text-align: center; border-bottom: 1px solid var(--sand); }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; font-weight: 700; }
.compare-table thead th { background: var(--moss-deep); color: #fff; }
.compare-table thead th.hl { background: var(--coral); }
.compare-table .hl { color: var(--coral); font-weight: 800; }

.route { display: grid; gap: 12px; }
.dock {
  display: grid; grid-template-columns: 64px 1fr; background: var(--foam); border: 1.5px solid var(--line); box-shadow: var(--hard);
}
.dock:nth-child(even) { box-shadow: var(--hard-coral); }
.buoy { display: grid; place-items: center; background: var(--sea-soft); font-weight: 900; color: var(--sea); }
.dock:nth-child(even) .buoy { background: #f6d7d2; color: var(--coral); }
.dock-body { padding: 16px 18px; }
.dock-body h3 { font-size: 16px; margin-bottom: 6px; }
.dock-body p { color: var(--muted); font-size: 13.5px; }

.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 10px; }
.faq-item { background: var(--foam); border: 1.5px solid var(--line); overflow: hidden; }
.faq-item.is-open { box-shadow: var(--hard); border-color: var(--moss); }
.faq-trigger { width: 100%; display: flex; justify-content: space-between; gap: 12px; padding: 16px 18px; text-align: left; font-weight: 700; }
.faq-panel { max-height: 0; overflow: hidden; opacity: 0; transition: 0.3s; padding: 0 18px; }
.faq-item.is-open .faq-panel { max-height: 420px; opacity: 1; padding: 0 18px 16px; }
.faq-panel p { color: var(--muted); font-size: 13.5px; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { padding: 22px; background: var(--foam); border-bottom: 6px solid var(--moss); box-shadow: var(--hard); }
.review-card:nth-child(2) { transform: translateY(14px); border-bottom-color: var(--sea); }
.review-card:nth-child(3) { border-bottom-color: var(--coral); }
.review-card p { font-size: 13.5px; margin-bottom: 12px; }
.review-card footer { color: var(--muted); font-size: 12px; }

.download { padding: 80px 0; background: linear-gradient(160deg, #2b4d38, #1e4f55 55%, #3d6b4f); color: #e7f1ea; }
.lighthouse {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; align-items: center;
  padding: 36px; border: 1.5px solid rgba(255,255,255,0.12); border-radius: 28px 8px 28px 8px; position: relative;
}
.lighthouse h2 { color: #fff; font-size: clamp(26px, 3.6vw, 38px); margin: 8px 0 12px; }
.lighthouse p { margin-bottom: 18px; }
.dl-links { display: flex; flex-wrap: wrap; gap: 10px; }
.lh-brand { text-align: center; }
.lh-brand img { width: 92px; height: 92px; margin: 0 auto 10px; border-radius: 50%; box-shadow: var(--hard-coral); object-fit: cover; }
.lh-brand strong { display: block; color: #fff; font-size: 20px; }

.site-footer { padding: 48px 0 24px; background: #15221c; color: #9aada3; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.footer-grid h4 { color: #fff; font-size: 13px; margin-bottom: 10px; }
.footer-brand { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; color: #fff; }
.footer-brand img { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; text-align: center; font-size: 12px; }

@media (max-width: 980px) {
  .site-nav, .header-inner > .header-cta { display: none; }
  .mobile-tools { display: flex; }
  .site-nav {
    display: block; position: fixed; top: var(--header-h); left: 0; right: 0;
    background: rgba(243,234,214,0.98); padding: 12px 18px 18px;
    transform: translateY(-120%); opacity: 0; pointer-events: none; transition: 0.3s;
  }
  body.menu-open .site-nav { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav ul { flex-direction: column; }
  .hero-inner, .lighthouse, .footer-grid { grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .atlas { order: 2; }
  .island { margin: 0 auto; }
  .dist:nth-child(n) { grid-column: span 12; }
  .piers { grid-template-columns: 1fr 1fr; }
  .pier:nth-child(n) { transform: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .review-card:nth-child(2) { transform: none; }
  .pin { display: none; }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .dl-links a { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .pin { animation: none; } }