:root {
  --blue: #127ad4;
  --blue-light: #eaf4ff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  width: 42px; height: 42px; border-radius: 14px; background: var(--blue);
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 10px 24px rgba(18,122,212,0.18);
  flex-shrink: 0;
  font-weight: 700;
  overflow: hidden;
}
.brand-icon img { display:block; }
.brand-text strong { display: block; font-size: 18px; letter-spacing: 0.2em; }
.brand-text span { display: block; font-size: 12px; color: #64748b; margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 14px; color: #475569; flex-wrap: wrap; }
.nav a:hover { color: var(--text); }
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(circle at top right, rgba(18,122,212,0.10), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 56px; align-items: center;
}
.tag {
  display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 999px;
  background: var(--blue-light); color: var(--blue); border: 1px solid #cfe6ff; font-size: 14px;
}
h1 {
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.1; letter-spacing: -0.03em; margin: 18px 0 0;
}
.hero p { font-size: 18px; color: var(--muted); max-width: 700px; margin: 24px 0 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 22px; border-radius: 16px; font-size: 15px; font-weight: 600;
  transition: .2s ease;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 14px 30px rgba(18,122,212,0.16); }
.btn-primary:hover { transform: translateY(-1px); background: #0d6fbe; }
.btn-secondary { border: 1px solid #cbd5e1; color: #334155; background: #fff; }
.btn-secondary:hover { border-color: #94a3b8; }
.logo-card {
  border: 1px solid var(--line); border-radius: 34px; background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  padding: 24px; box-shadow: 0 24px 60px rgba(15,23,42,0.08);
}
.logo-shell {
  border-radius: 26px; padding: 28px; background: linear-gradient(180deg, #eef6ff 0%, #ffffff 100%);
  overflow: hidden; position: relative;
}
.logo-wrap { height: 360px; display: flex; align-items: center; justify-content: center; }
.logo-note { text-align: center; color: #64748b; font-size: 14px; margin-top: 12px; }
section.block { padding: 72px 0; }
.soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.eyebrow { color: var(--blue); font-size: 14px; font-weight: 700; letter-spacing: 0.04em; }
h2 { font-size: 34px; line-height: 1.2; margin: 10px 0 0; letter-spacing: -0.03em; }
h3 { font-size: 22px; margin: 0; }
.section-head p { color: var(--muted); margin: 16px 0 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 26px;
  box-shadow: 0 12px 30px rgba(15,23,42,0.04);
}
.card p { margin: 12px 0 0; color: var(--muted); font-size: 15px; }
.status-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.stack { display: grid; gap: 14px; }
.mini {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 18px 18px 16px;
  box-shadow: 0 10px 24px rgba(15,23,42,0.04);
}
.mini strong { display: block; font-size: 15px; }
.mini span { display: block; color: var(--muted); font-size: 14px; margin-top: 6px; }
.legal-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.info-box {
  margin-top: 24px; background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 24px;
  box-shadow: 0 12px 30px rgba(15,23,42,0.04);
}
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-item strong { display: block; font-size: 15px; }
.info-item span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.page-hero { padding: 72px 0 24px; background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%); }
.page-hero p { color: var(--muted); max-width: 800px; }
.page-content { padding: 16px 0 72px; }
.doc {
  background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 28px;
  box-shadow: 0 12px 30px rgba(15,23,42,0.04);
}
.doc h3 { margin-top: 28px; }
.doc h3:first-child { margin-top: 0; }
.doc p, .doc li { color: var(--muted); }
.doc ul { padding-left: 20px; }
.footer {
  border-top: 1px solid var(--line); background: #f8fafc;
  padding: 28px 0 34px; color: #64748b; font-size: 14px;
}
.footer-inner {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
}
.footer strong { color: var(--text); display: block; font-size: 18px; letter-spacing: 0.2em; }
.footer p { margin: 10px 0 0; max-width: 720px; }
.notice {
  padding: 14px 16px; border-radius: 18px; background: #f8fbff; border: 1px solid #dbeafe; color: #1d4ed8;
  margin-top: 14px; font-size: 14px;
}
@media (max-width: 900px) {
  .hero-grid, .status-grid, .grid-3, .legal-list, .info-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .logo-wrap { height: 300px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}