:root {
  --orange: #c2410c;
  --link: #b33c0b;
  --link-hover: #7c2d0a;
  --tint: #fdece2;
  --bg: #fbfaf6;
  --text: #17181c;
  --text-secondary: #4a4c54;
  --text-tertiary: #5d5f67;
  --card: #ffffff;
  --border: #e8e4da;
  --border-2: #ebe7de;
  --promo-fg: #7a4f00;
  --promo-bg: #fbf0d9;
  --ok-dot: #1f8a4c;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); }
h1, h2, h3 { font-weight: 900; margin: 0 0 12px; letter-spacing: -0.5px; }
p { margin: 0 0 12px; }
ul, ol { padding-left: 22px; }
img { max-width: 100%; }

.site-header { padding: 0 24px; border-bottom: 1px solid var(--border); background: var(--bg); }
.site-header nav { max-width: 1120px; margin: 0 auto; height: 64px; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--orange); font-weight: 900; font-size: 18px; flex-shrink: 0; }
.brand span { color: var(--text); }
.site-header .links { display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; font-weight: 500; }
.site-header .links a { color: var(--text-secondary); }
.site-header .links a:hover { color: var(--orange); }

main { max-width: 1120px; margin: 0 auto; padding: 0 24px 64px; }

.crumbs { font-size: 13px; color: var(--text-tertiary); padding: 20px 0 4px; }
.crumbs a { color: var(--text-tertiary); }
.crumbs a:hover { color: var(--orange); }

/* ---- home hero ---- */
.hero { padding: 48px 0 32px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.badge { font-size: 14px; font-weight: 700; color: var(--link); background: var(--tint); padding: 6px 14px; border-radius: 16px; }
.hero h1 { font-size: 44px; line-height: 1.15; }
.hero-sub { font-size: 17px; color: var(--text-secondary); max-width: 640px; }

@media (min-width: 720px) {
  .hero h1 { font-size: 64px; }
}

/* ---- scene grid ---- */
.scene-grid { padding: 8px 0 40px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.scene-card {
  background: var(--card); border: 2px solid var(--border-2); border-radius: 20px;
  padding: 22px 24px; display: flex; align-items: center; gap: 18px; color: var(--text);
}
.scene-card:hover { border-color: var(--orange); }
.scene-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--tint); color: var(--orange);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.scene-body { flex-grow: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.scene-title { font-size: 22px; font-weight: 900; color: var(--text); }
.scene-sub { font-size: 14px; color: var(--text-tertiary); }
.scene-count { font-size: 14px; font-weight: 700; color: var(--link); }
.scene-arrow { flex-shrink: 0; color: var(--text-tertiary); }

/* ---- section head / cards shared ---- */
.section-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 40px 0 16px; }
.section-head h2 { margin: 0; font-size: 22px; }
.disclaimer { font-size: 13px; color: var(--text-tertiary); }
.see-all { font-size: 14px; font-weight: 700; }
.empty-note { font-size: 14px; color: var(--text-tertiary); }

.btn { height: 42px; padding: 0 18px; border-radius: 21px; display: inline-flex; align-items: center;
  justify-content: center; font-size: 14px; font-weight: 700; }
.btn-outline { border: 1.5px solid var(--text); color: var(--text); background: transparent; }
.btn-primary { border: 0; background: var(--orange); color: #ffffff; }
.card-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }

/* ---- promo (pinned) ---- */
.promo-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 720px) { .promo-list { grid-template-columns: repeat(3, 1fr); } }
.promo-card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 20px; }
.promo-card-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.promo-name { font-size: 17px; font-weight: 900; }
.promo-domain { font-size: 13px; color: var(--text-tertiary); }
.promo-desc { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }
.promo-meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--text-secondary); margin-top: 8px; }

/* ---- recommend station list ---- */
.station-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.station-row { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px 20px; }
.station-row-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.station-name { font-size: 17px; font-weight: 900; }
.station-domain { font-size: 13px; color: var(--text-tertiary); }
.station-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--text-secondary); margin-top: 8px; }
.uptime { display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 4px; background: var(--ok-dot); display: inline-block; }

/* ---- data table (scenario module) ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-tertiary); font-weight: 700; }

/* ---- tips / faq ---- */
.tips-list { list-style: none; padding: 0; display: grid; gap: 14px; }
.tips-list li { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px 18px; }
.tips-list strong { display: block; margin-bottom: 6px; }
.faq dl { display: flex; flex-direction: column; gap: 16px; }
.faq dt { font-weight: 900; }
.faq dd { margin: 6px 0 0; color: var(--text-secondary); }

/* ---- guide cards ---- */
.guide-cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 720px) { .guide-cards { grid-template-columns: repeat(2, 1fr); } }
.guide-cards-wide { grid-template-columns: 1fr; }
@media (min-width: 720px) { .guide-cards-wide { grid-template-columns: repeat(3, 1fr); } }
.guide-card { display: flex; flex-direction: column; gap: 6px; background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 18px 20px; color: var(--text); }
.guide-card-title { font-weight: 900; font-size: 16px; }
.guide-card-desc { font-size: 13px; color: var(--text-tertiary); }

.external-guide-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.external-guide-list span { color: var(--text-tertiary); }

.cross-list { list-style: none; margin: 0; padding: 0; display: flex; gap: 10px; flex-wrap: wrap; }
.cross-list a { display: inline-block; padding: 8px 16px; border: 1px solid var(--border); border-radius: 16px; font-size: 14px; }

/* ---- bottom banner ---- */
.bottom-banner { margin-top: 40px; }
.bottom-banner a { display: block; background: var(--tint); border-radius: 20px; padding: 24px 28px; color: var(--text); }
.bb-title { display: block; font-size: 19px; font-weight: 900; }
.bb-sub { display: block; font-size: 14px; color: var(--text-secondary); margin: 6px 0; }
.bb-link { display: block; font-size: 14px; font-weight: 700; color: var(--link); }

/* ---- guide detail ---- */
.guide-detail .updated { font-size: 13px; color: var(--text-tertiary); }
.guide-section { margin-top: 28px; }
.guide-html p { margin: 0 0 12px; }
.guide-html pre {
  background: #17181c; color: #f4f1ea; padding: 14px 16px; border-radius: 12px; overflow-x: auto;
  font-size: 13px; line-height: 1.6; position: relative;
}
.guide-html code { background: var(--border-2); padding: 2px 6px; border-radius: 6px; font-size: 13px; }
.guide-html pre code { background: none; padding: 0; }
.pre-copy-wrap { position: relative; }
.copy-btn {
  position: absolute; top: 10px; right: 10px; font-size: 12px; font-weight: 700; color: #f4f1ea;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 8px;
  padding: 4px 10px; cursor: pointer;
}
.copy-btn:hover { background: rgba(255,255,255,0.2); }

/* ---- about ---- */
.about-page section { margin-top: 28px; }

/* ---- 404 ---- */
.not-found { padding: 80px 0; text-align: center; }

.site-footer { max-width: 1120px; margin: 0 auto; padding: 32px 24px 48px; font-size: 13px; color: var(--text-tertiary); }
.site-footer a { color: var(--text-tertiary); }
.site-footer a:hover { color: var(--orange); }

@media (max-width: 640px) {
  .site-header nav { gap: 16px; flex-wrap: wrap; height: auto; padding: 12px 0; }
  main { padding: 0 16px 48px; }
  .site-footer { padding: 24px 16px 40px; }
  th, td { white-space: normal; }
}

/* 推广简介收成 4 行，卡片等高；推荐行在宽屏把按钮放右侧，列表更紧凑 */
.promo-card { display: flex; flex-direction: column; }
.promo-card .card-actions { margin-top: auto; padding-top: 12px; }
.promo-desc { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
@media (min-width: 768px) {
  .station-row { display: grid; grid-template-columns: 1fr auto; column-gap: 20px; align-items: center; }
  .station-row .card-actions { grid-column: 2; grid-row: 1 / span 2; margin-top: 0; flex-wrap: nowrap; }
}
.pre-copy-wrap pre { padding-top: 44px; }