:root {
  --bg: #0d0a08;
  --bg-2: #12100d;
  --panel: #1a1612;
  --panel-2: #221d18;
  --line: #2d2620;
  --gold: #d4b876;
  --gold-2: #e8d4a0;
  --gold-border: rgba(212, 184, 118, 0.35);
  --text: #f5f2ec;
  --muted: #c9b896;
  --soft: #a08f6e;
  --shadow: 0 12px 40px rgba(0, 0, 0, .4);
  --radius: 16px;
  --radius-sm: 12px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(212, 184, 118, .06), transparent),
    linear-gradient(180deg, #0f0c0a 0%, #0d0a08 100%);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: #f0e0b8; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 40px)); margin: 0 auto; }

/* 顶栏：深色底 + 金线 */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(13, 10, 8, .92);
  border-bottom: 1px solid var(--gold-border);
}
.header-inner {
  min-height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 12px 0;
}
.brand a { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 700; }
.brand img { width: 48px; height: 48px; object-fit: contain; border-radius: var(--radius-sm); border: 1px solid var(--gold-border); }
.brand .site-name { font-size: 1.05rem; letter-spacing: .02em; color: var(--text); }
.main-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.main-nav a { color: var(--muted); font-size: .95rem; }
.main-nav a:hover, .main-nav a.active { color: var(--gold-2); }

/* 首屏 */
.hero { padding: 52px 0 36px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero-copy .eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--gold-border);
  border-radius: 999px;
  color: var(--gold-2);
  font-size: .85rem;
  background: transparent;
  margin-bottom: 12px;
}
h1, h2, h3 { line-height: 1.3; margin: 0 0 12px; color: var(--text); font-weight: 700; }
h1 { font-size: clamp(1.9rem, 3.2vw, 2.9rem); letter-spacing: .02em; }
h2 { font-size: clamp(1.35rem, 2vw, 2rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 14px; color: var(--muted); font-size: 1rem; line-height: 1.75; }
.hero-text { font-size: 1.06rem; color: var(--muted); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 22px; border-radius: 999px;
  border: 1px solid var(--gold-border); font-weight: 600; font-size: .98rem;
  transition: .2s transform, .2s background, .2s border-color, .2s color;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(180deg, #e0c67a, #c4a04e); color: #1a1208; border-color: #d4b876; }
.btn-primary:hover { background: linear-gradient(180deg, #e8d090, #c9a85a); }
.btn-secondary { background: transparent; color: var(--gold-2); }
.btn-secondary:hover { background: rgba(212, 184, 118, .1); }
.hero-media img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius);
  border: 1px solid var(--gold-border); box-shadow: var(--shadow);
}

/* 区块与卡片：深褐底 + 细金边 */
.section { padding: 32px 0; }
.panel, .post-card, .faq-item, .article-body, .meta-strip, .mini-card, .related-item {
  background: var(--panel);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel { padding: 28px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* 区块标题：小徽章（细金框）+ 大标题 */
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; margin-bottom: 20px; flex-wrap: wrap; }
.section-head > div .badge {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--gold-border);
  border-radius: 999px;
  color: var(--gold-2);
  font-size: .8rem;
  font-weight: 600;
  background: transparent;
  margin-bottom: 8px;
}
.section-head h2 { margin-bottom: 4px; }
.section-head p { max-width: 720px; color: var(--muted); font-size: .98rem; margin: 0; }

.link-card, .mini-card { padding: 24px; }
.link-card h3, .mini-card h3 { margin-bottom: 10px; }
.link-card p, .mini-card p { font-size: .96rem; margin-bottom: 12px; }
.list-clean { padding-left: 20px; color: var(--muted); }
.list-clean li { margin-bottom: 8px; }
.article-grid .post-card { padding: 24px; }
.article-grid .post-card h3 { margin-bottom: 8px; }
.article-grid .post-card p { margin-bottom: 12px; font-size: .96rem; }
.article-grid .post-card .badge { margin-top: 4px; }

/* 徽章：细金边、小圆角 */
.badge {
  display: inline-flex; align-items: center;
  min-height: 28px; padding: 0 12px;
  border: 1px solid var(--gold-border);
  border-radius: 999px;
  color: var(--gold-2);
  font-size: .82rem;
  background: transparent;
}

/* 强调卡片 */
.accent-panel {
  background: var(--panel-2);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  padding: 28px;
}
.faq-item { padding: 22px 24px; margin-bottom: 16px; }
.faq-item h3 { margin-bottom: 8px; font-size: 1.05rem; }
.faq-item p { margin: 0; font-size: .98rem; }

/* 页脚 */
.footer {
  margin-top: 48px;
  border-top: 1px solid var(--gold-border);
  padding: 32px 0 56px;
  background: var(--bg-2);
}
.footer-grid { display: grid; grid-template-columns: 1.3fr .75fr .75fr; gap: 28px; }
.footer h2, .footer h3 { color: var(--text); margin-bottom: 12px; font-size: 1.05rem; }
.footer p, .footer li { color: var(--muted); font-size: .95rem; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--gold-2); }

.breadcrumbs { padding-top: 20px; font-size: .92rem; color: var(--soft); }
.breadcrumbs a { color: var(--soft); }
.breadcrumbs a:hover { color: var(--gold-2); }

/* 内页 hero */
.page-hero { padding: 28px 0 16px; }
.page-hero .panel { padding: 32px; }
.page-hero p { max-width: 820px; color: var(--muted); }

/* 文章页 */
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 28px; }
.article-body { padding: 32px; }
.article-body p { font-size: 1.02rem; }
.article-body h2 { margin-top: 28px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.article-body ul { padding-left: 22px; color: var(--muted); }
.sidebar { display: grid; gap: 20px; align-self: start; position: sticky; top: 88px; }
.meta-strip { padding: 18px 20px; }
.meta-strip p { margin: 0 0 10px; }
.callout {
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  background: rgba(212, 184, 118, .06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--muted);
  margin: 20px 0;
}
.related-list { display: grid; gap: 14px; }
.related-item { padding: 18px 20px; }
.related-item h3 { margin-bottom: 6px; font-size: 1.05rem; }
.related-item p { margin: 0; font-size: .94rem; }
.table-contents { padding-left: 18px; margin: 0; }
.table-contents li { margin-bottom: 8px; color: var(--muted); }

.category-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.category-tabs a {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--gold-border);
  background: transparent;
  color: var(--muted);
  font-size: .92rem;
}
.category-tabs a.active, .category-tabs a:hover { color: var(--gold-2); background: rgba(212, 184, 118, .08); }
.kicker { color: var(--gold-2); font-weight: 700; margin-bottom: 8px; font-size: .9rem; }
.notice { font-size: .92rem; color: var(--soft); }

.hero-mini { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: center; }
.hero-mini img { border-radius: var(--radius); border: 1px solid var(--gold-border); }
.post-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.post-meta span { font-size: .86rem; color: var(--soft); }

@media (max-width: 980px) {
  .hero-grid, .two-col, .grid-4, .grid-3, .footer-grid, .article-wrap, .hero-mini { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .grid-4 { gap: 16px; }
  .grid-3 { gap: 16px; }
}
@media (max-width: 720px) {
  .container, .narrow { width: calc(100% - 24px); }
  .header-inner { align-items: flex-start; }
  .main-nav { gap: 14px; }
  h1 { font-size: 1.85rem; }
  .hero { padding-top: 28px; }
  .section { padding: 24px 0; }
  .panel, .article-body, .accent-panel, .mini-card, .post-card { padding: 20px; }
  .section-head { flex-direction: column; align-items: flex-start; }
}