:root {
  color-scheme: light;
  --canvas: #f6f7f8;
  --paper: #ffffff;
  --ink: #17201e;
  --muted: #596561;
  --line: #e4e8e6;
  --brand: #426f65;
  --brand-deep: #31574f;
  --brand-soft: #edf6f2;
  --violet-soft: #f3f0fb;
  --warning: #8a4a3f;
  --warning-soft: #fff4f1;
  --shadow: 0 24px 70px rgba(39, 60, 55, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(142, 119, 207, 0.10), transparent 30rem),
    radial-gradient(circle at 90% 8%, rgba(74, 144, 127, 0.10), transparent 28rem),
    var(--canvas);
  color: var(--ink);
  font: 16px/1.8 system-ui, -apple-system, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-deep); }

.shell { width: min(100% - 32px, 980px); margin: 24px auto 56px; }

.paper {
  overflow: hidden;
  border: 1px solid rgba(224, 230, 227, 0.92);
  border-radius: 30px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 68px;
  padding: 12px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; color: var(--ink); text-decoration: none; font-weight: 800; }
.brand img { width: 38px; height: 38px; border-radius: 11px; box-shadow: 0 7px 18px rgba(65, 96, 88, 0.18); }
.nav-link { min-height: 40px; padding: 6px 12px; border-radius: 999px; text-decoration: none; font-size: 14px; font-weight: 700; }
.nav-link:hover, .nav-link[aria-current="page"] { background: var(--brand-soft); }

.hero { padding: 58px 64px 46px; border-bottom: 1px solid var(--line); background: linear-gradient(135deg, var(--violet-soft), #fff 48%, var(--brand-soft)); }
.eyebrow { margin: 0; color: var(--brand); font-size: 13px; font-weight: 850; letter-spacing: 0.16em; }
h1 { margin: 12px 0 0; font-size: clamp(2.25rem, 6vw, 4rem); line-height: 1.1; letter-spacing: -0.045em; }
.lead { max-width: 760px; margin: 22px 0 0; color: #394742; font-size: 17px; line-height: 1.9; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.pill { padding: 6px 12px; border: 1px solid rgba(66, 111, 101, 0.14); border-radius: 999px; background: rgba(255, 255, 255, 0.86); color: var(--muted); font-size: 13px; font-weight: 700; }

.content { padding: 42px 64px 64px; }
.notice { margin: 0 0 32px; padding: 20px 22px; border: 1px solid #f1d5ce; border-radius: 18px; background: var(--warning-soft); color: #6f3e35; }
.notice strong { color: var(--warning); }
.section { padding: 29px 0; border-top: 1px solid var(--line); }
.section:first-of-type { padding-top: 0; border-top: 0; }
h2 { margin: 0; font-size: 21px; line-height: 1.4; letter-spacing: -0.015em; }
h3 { margin: 20px 0 6px; font-size: 17px; }
p { margin: 12px 0 0; color: var(--muted); }
ul, ol { margin: 12px 0 0; padding-left: 1.35rem; color: var(--muted); }
li + li { margin-top: 7px; }
.data-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.data-card { padding: 18px; border: 1px solid var(--line); border-radius: 17px; background: #fafbfb; }
.data-card h3 { margin: 0; font-size: 16px; }
.data-card p { margin-top: 7px; font-size: 14px; line-height: 1.75; }
.contact-card { margin-top: 26px; padding: 22px; border-radius: 20px; background: var(--brand-soft); }
.contact-card p:first-child { margin-top: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; border-radius: 999px; background: var(--brand-deep); color: #fff; text-decoration: none; font-weight: 800; }
.button.secondary { border: 1px solid var(--line); background: #fff; color: var(--ink); }
.footer { padding: 24px 64px 34px; border-top: 1px solid var(--line); color: #72807b; font-size: 13px; }
.home-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.home-card { min-height: 190px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: #fff; color: var(--ink); text-decoration: none; }
.home-card:hover { border-color: rgba(66, 111, 101, 0.35); box-shadow: 0 14px 34px rgba(44, 76, 68, 0.08); }
.home-card span { display: block; margin-top: 10px; color: var(--muted); font-size: 14px; }

@media (max-width: 760px) {
  .shell { width: 100%; margin: 0; }
  .paper { border: 0; border-radius: 0; box-shadow: none; }
  .topbar { padding: 10px 16px; }
  .nav-link { padding-inline: 9px; }
  .hero, .content, .footer { padding-left: 22px; padding-right: 22px; }
  .hero { padding-top: 38px; padding-bottom: 34px; }
  .content { padding-top: 32px; padding-bottom: 48px; }
  .data-grid, .home-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .brand span { display: none; }
  .topbar { gap: 2px; }
  .nav-link { font-size: 13px; }
}

@media print {
  body { background: #fff; }
  .shell { width: 100%; margin: 0; }
  .paper { border: 0; box-shadow: none; }
  .topbar { position: static; }
}