:root {
  --bg: #0a0c0b;
  --panel: #141714;
  --ink: #f3efe6;
  --muted: #9aa394;
  --line: #2a2f28;
  --amber: #e8a04a;
  --amber-2: #c47a2a;
  --sand: #d8c7a1;
  --ok: #86c48a;
  --shadow: 12px 12px 24px #050605, -8px -8px 18px #1b1e19;
  --inset: inset 6px 6px 14px #070807, inset -4px -4px 10px #1c201b;
}
* { box-sizing: border-box; }
html, body { margin: 0; color: var(--ink); font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
body {
  min-height: 100%;
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(232, 160, 74, 0.16), transparent 55%),
    radial-gradient(700px 380px at 0% 20%, rgba(80, 96, 70, 0.18), transparent 50%),
    linear-gradient(180deg, #10140f, var(--bg) 40%, #0b0d0b);
}
a { color: var(--amber); text-decoration: none; }
.glow { pointer-events: none; position: fixed; inset: 0; background: linear-gradient(180deg, transparent, rgba(0,0,0,.25)); }
.nav, .hero, .block, footer { position: relative; z-index: 1; width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0 8px; gap: 16px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(180deg, #f0b15c, #b56a1e); color: #2a1604; font-weight: 800;
  box-shadow: var(--shadow);
}
.brand b { display: block; font-size: 18px; }
.brand small { color: var(--amber); letter-spacing: 0.16em; font-size: 10px; }
.nav nav { display: flex; gap: 16px; flex-wrap: wrap; }
.nav nav a { color: var(--sand); font-size: 14px; }
.hero { padding: 56px 0 28px; }
.kicker { color: var(--amber); letter-spacing: 0.2em; text-transform: uppercase; font-size: 12px; margin: 0 0 12px; }
.hero h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.15; margin: 0 0 16px; font-weight: 720; max-width: 16ch; }
.lead { font-size: 18px; color: var(--sand); max-width: 36em; }
.banner {
  display: inline-block; margin: 8px 0 0; padding: 8px 12px; border-radius: 999px;
  background: #161a14; box-shadow: var(--inset); color: var(--ok); font-size: 13px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 12px; }
.btn {
  display: inline-block; border: 0; border-radius: 16px; padding: 14px 18px;
  font-weight: 700; color: var(--ink); background: #171b16; box-shadow: var(--shadow); cursor: pointer;
}
.btn.primary { background: linear-gradient(180deg, #f0b15c, #c47a2a); color: #2a1604; }
.btn.ghost { color: var(--sand); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; box-shadow: var(--inset); }
.fine { color: var(--muted); font-size: 12px; }
.block { padding: 36px 0; }
.block h2 { font-size: 28px; margin: 0 0 8px; }
.sub { color: var(--sand); max-width: 40em; }
.grid3, .grid2, .dl-grid, .contact-grid {
  display: grid; gap: 16px; margin-top: 22px;
}
.grid3 { grid-template-columns: repeat(3, 1fr); }
.grid2 { grid-template-columns: 1fr 1fr; }
.dl-grid { grid-template-columns: 1fr 1fr; }
.contact-grid { grid-template-columns: repeat(3, 1fr); }
article {
  background: var(--panel); border: 1px solid var(--line); border-radius: 22px;
  padding: 20px; box-shadow: var(--shadow);
}
article h3 { margin: 0 0 8px; font-size: 18px; }
article p { margin: 0; color: var(--sand); line-height: 1.65; }
.dl-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.ver { color: var(--amber); font-weight: 700; }
.log { margin: 10px 0; color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); font-size: 12px; margin: 8px 0 14px; }
.contact-grid small { color: var(--amber); letter-spacing: 0.08em; }
.contact-grid h3 { margin: 6px 0 8px; }
.copy { font-size: 18px; color: var(--ink); }
footer { padding: 36px 0 48px; color: var(--muted); border-top: 1px solid var(--line); margin-top: 24px; }
@media (max-width: 860px) {
  .nav { flex-direction: column; align-items: flex-start; }
  .grid3, .grid2, .dl-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 28px; }
}