* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #0f172a;
  background: #f8fafc;
  line-height: 1.8;
}
nav {
  height: 72px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner, main, footer { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
a { color: inherit; text-decoration: none; }
.brand { font-weight: 800; font-size: 20px; }
.nav-links { display: flex; gap: 18px; align-items: center; color: #475569; font-size: 14px; }
.nav-links a:hover, .back { color: #2563eb; }
main { padding: 56px 0 72px; }
.hero-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: clamp(28px, 5vw, 56px);
  margin-bottom: 28px;
}
.eyebrow {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #2563eb;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.2; margin-bottom: 16px; }
.lead { color: #64748b; max-width: 780px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
}
h2 { font-size: 22px; margin-bottom: 12px; }
h3 { font-size: 18px; margin-bottom: 8px; }
p, li, label { color: #475569; }
ul, ol { padding-left: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
input, select, textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  color: #0f172a;
  background: #fff;
}
textarea { min-height: 120px; resize: vertical; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 10px;
  background: #0f172a;
  color: #fff;
  font-weight: 700;
  border: 0;
  cursor: pointer;
}
.btn.secondary { background: #fff; color: #0f172a; border: 1px solid #cbd5e1; }
.note {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #f1f5f9;
  color: #475569;
  font-size: 14px;
}
footer { padding: 0 0 40px; color: #64748b; font-size: 13px; }
@media (max-width: 760px) {
  nav { height: auto; padding: 14px 0; }
  .nav-inner { align-items: flex-start; flex-direction: column; }
  .nav-links { flex-wrap: wrap; gap: 12px; }
  .grid, .form-grid { grid-template-columns: 1fr; }
}