/* EvoMind 公开内容页共享样式 — 深色品牌风 */
:root {
  --bg: #0b0c0f;
  --panel: #15161b;
  --gold: #d4af37;
  --gold-l: #f4e5b8;
  --ink: #e8e6e0;
  --muted: #9a978e;
  --line: rgba(212, 175, 55, 0.18);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: radial-gradient(120% 80% at 50% 0%, #16130c 0%, var(--bg) 55%);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 24px; }

header.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; position: sticky; top: 0; z-index: 10;
  background: rgba(11, 12, 15, 0.82); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .5px; }
.brand svg { width: 30px; height: 30px; }
.brand b { font-size: 19px; color: var(--gold); font-family: Georgia, serif; }
.cta { border: 1px solid var(--gold); color: var(--gold); padding: 8px 18px; border-radius: 6px; font-size: 14px; transition: .2s; }
.cta:hover { background: var(--gold); color: #14110a; }

.crumb { color: var(--muted); font-size: 13px; padding: 22px 0 0; }
.crumb a:hover { color: var(--gold); }

.hero { padding: 30px 0 20px; }
.hero .eyebrow { color: var(--gold); letter-spacing: 3px; font-size: 13px; text-transform: uppercase; }
.hero h1 { font-size: clamp(28px, 5vw, 46px); margin: 12px 0 16px; color: var(--gold-l); line-height: 1.25; }
.hero .lead { font-size: clamp(16px, 2.2vw, 19px); color: var(--muted); max-width: 760px; }
.hero .actions { margin-top: 26px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary { background: var(--gold); color: #14110a; padding: 11px 26px; border-radius: 8px; font-weight: 600; }
.btn-primary:hover { background: var(--gold-l); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); padding: 11px 26px; border-radius: 8px; }

section { padding: 36px 0; }
h2 { font-size: clamp(22px, 3.2vw, 30px); color: var(--gold); margin-bottom: 18px; font-weight: 600; }
h3 { font-size: 18px; margin: 8px 0 8px; color: var(--ink); }
p.body { color: var(--muted); margin-bottom: 14px; }
p.body strong { color: var(--gold-l); font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: linear-gradient(160deg, var(--panel), #0e0f13); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card p { color: var(--muted); font-size: 14.5px; }

ul.points { list-style: none; }
ul.points li { color: var(--muted); padding: 9px 0 9px 26px; position: relative; border-bottom: 1px solid rgba(212,175,55,.08); }
ul.points li::before { content: "▸"; color: var(--gold); position: absolute; left: 4px; }
ul.points li strong { color: var(--ink); }

details { border-bottom: 1px solid var(--line); padding: 16px 4px; }
summary { cursor: pointer; font-size: 16px; color: var(--ink); font-weight: 500; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "＋"; color: var(--gold); margin-right: 12px; }
details[open] summary::before { content: "－"; }
details p { color: var(--muted); margin-top: 10px; padding-left: 28px; }

.related { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.related a { border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 14px; color: var(--ink); transition: .2s; }
.related a:hover { border-color: var(--gold); color: var(--gold); }

.disclaimer { margin: 36px 0; padding: 16px 20px; border-radius: 10px; background: rgba(212,175,55,.06); border: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer { border-top: 1px solid var(--line); padding: 32px 0; text-align: center; color: var(--muted); font-size: 13px; }
footer a:hover { color: var(--gold); }
footer .links { margin-bottom: 12px; }
footer .links a { margin: 0 9px; }