/* 梯子大全 tizi.lat — 原创机场资料库/数据目录风格设计系统。
   配色/命名/组件与 mtizi.mom、tizib.mom、jichangnb.com 均不相同，独立设计。 */

:root {
  --bg: #f6f8fa;
  --bg-panel: #ffffff;
  --bg-card-2: #eef2f5;
  --text-main: #16232e;
  --text-muted: #55707d;
  --border-color: #d9e2e8;
  --border-soft: #e6edf1;
  --primary: #0e6e6e;
  --primary-dark: #0a5252;
  --primary-rgb: 14, 110, 110;
  --accent: #d9770a;
  --accent-dark: #a85c07;
  --accent-rgb: 217, 119, 10;
  --ok: #1f8a4c;
  --ok-bg: #e6f6ec;
  --partial: #b8860b;
  --partial-bg: #fbf1d9;
  --unverified: #8a5a1f;
  --unverified-bg: #f2e6d8;
  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-card: 0 1px 3px rgba(16, 35, 46, 0.08), 0 1px 2px rgba(16, 35, 46, 0.06);
}

:root[data-theme="dark"] {
  --bg: #0d1b1f;
  --bg-panel: #142a2f;
  --bg-card-2: #1a343a;
  --text-main: #e8f1f3;
  --text-muted: #9fc0c4;
  --border-color: #24464c;
  --border-soft: #1c3a3f;
  --primary: #2dd4bf;
  --primary-dark: #14b8a6;
  --primary-rgb: 45, 212, 191;
  --accent: #fb923c;
  --accent-dark: #f97316;
  --accent-rgb: 251, 146, 60;
  --ok: #4ade80;
  --ok-bg: #163824;
  --partial: #fbbf24;
  --partial-bg: #3a2e0f;
  --unverified: #d6a15e;
  --unverified-bg: #3a2a17;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ---------------- header ---------------- */
.site-header { background: var(--primary-dark); position: sticky; top: 0; z-index: 40; }
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px; color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-cn { font-weight: 800; font-size: 16.5px; }
.brand-en { font-size: 9.5px; letter-spacing: 1.5px; opacity: 0.75; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 32px; height: 32px; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 100%; height: 2px; background: #fff; border-radius: 2px; }

.nav-wrap { display: flex; align-items: center; gap: 16px; }
.site-nav ul { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.site-nav a { color: #cfe8e8; font-weight: 600; font-size: 13.5px; padding: 7px 12px; border-radius: 6px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: rgba(255,255,255,0.12); color: #fff; text-decoration: none; }
.theme-toggle { background: rgba(255,255,255,0.14); border: none; border-radius: 6px; width: 32px; height: 32px; cursor: pointer; font-size: 14px; }

/* ---------------- breadcrumb ---------------- */
.breadcrumb { max-width: 1200px; margin: 12px auto 0; padding: 0 20px; font-size: 12.5px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }

/* ---------------- layout ---------------- */
.page-wrap { max-width: 1200px; margin: 0 auto; padding: 18px 20px 60px; }

h1 { font-size: 25px; margin: 6px 0 14px; }
h2 { font-size: 19px; margin: 30px 0 12px; color: var(--primary-dark); border-top: 1px solid var(--border-soft); padding-top: 20px; }
h2:first-of-type { border-top: none; padding-top: 0; }
h3 { font-size: 15.5px; margin: 16px 0 8px; }
p { font-size: 15px; color: var(--text-main); margin: 0 0 13px; }
ul, ol { margin: 0 0 14px 22px; }
li { margin-bottom: 5px; font-size: 14.5px; }

/* ---------------- hero / summary box ---------------- */
.hero {
  background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-lg);
  padding: 26px 24px; margin: 8px 0 22px; box-shadow: var(--shadow-card);
}
.hero h1 { color: var(--primary-dark); margin-top: 0; }
.hero .lede { color: var(--text-muted); max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

/* ---------------- status badges ---------------- */
.status-badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.status-verified { background: var(--ok-bg); color: var(--ok); }
.status-partial { background: var(--partial-bg); color: var(--partial); }
.status-unverified { background: var(--unverified-bg); color: var(--unverified); }

/* ---------------- buttons ---------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 14px; border: 1.5px solid transparent; cursor: pointer; line-height: 1.2; }
.btn-cta { background: var(--accent); color: #fff; }
.btn-cta:hover { background: var(--accent-dark); text-decoration: none; }
.btn-outline { background: transparent; color: var(--primary-dark); border-color: var(--primary); }
.btn-outline:hover { background: rgba(var(--primary-rgb), 0.08); text-decoration: none; }
.btn-sm { padding: 7px 14px; font-size: 12.5px; }

/* ---------------- one-minute overview table ---------------- */
.data-table-wrap { overflow-x: auto; border: 1px solid var(--border-color); border-radius: var(--radius-md); margin: 14px 0 20px; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
table.data-table th, table.data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
table.data-table th { background: var(--bg-card-2); font-weight: 700; color: var(--text-main); position: sticky; top: 0; }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr.is-first td { background: rgba(var(--accent-rgb), 0.06); font-weight: 700; }

/* ---------------- brand card grid ---------------- */
.brand-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 16px 0; }
.brand-card {
  background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-md);
  padding: 16px; box-shadow: var(--shadow-card); position: relative;
}
.brand-card.is-first { border: 2px solid var(--accent); }
.brand-card .rank-no { position: absolute; top: 10px; right: 12px; font-size: 11px; font-weight: 800; color: var(--text-muted); }
.brand-card h3 { margin: 0 0 6px; font-size: 16px; }
.brand-card .fields { font-size: 12.5px; color: var(--text-muted); margin-bottom: 10px; }
.brand-card .fields div { margin-bottom: 3px; }
.brand-card .fields b { color: var(--text-main); font-weight: 600; }

/* ---------------- scenario list ---------------- */
.scenario-list { list-style: none; margin: 0 0 16px; padding: 0; }
.scenario-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-md);
  padding: 12px 16px; margin-bottom: 8px; font-size: 14.5px;
}
.scenario-list .why { color: var(--text-muted); font-size: 13px; }

/* ---------------- filter chips ---------------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.chip { padding: 6px 14px; border-radius: 999px; background: var(--bg-card-2); color: var(--text-main); font-size: 13px; font-weight: 600; }
.chip:hover { background: var(--border-color); text-decoration: none; }

/* ---------------- callout ---------------- */
.callout { background: var(--bg-card-2); border-left: 3px solid var(--primary); border-radius: 0 var(--radius-md) var(--radius-md) 0; padding: 14px 18px; margin: 16px 0; font-size: 14px; color: var(--text-muted); }
.callout strong { color: var(--text-main); }

/* ---------------- faq ---------------- */
.faq-item { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 13px 16px; margin-bottom: 8px; }
.faq-item summary { cursor: pointer; font-weight: 700; font-size: 14.5px; }
.faq-a { margin-top: 8px; color: var(--text-muted); }

/* ---------------- related links ---------------- */
.related-links { background: var(--bg-card-2); border-radius: var(--radius-md); padding: 16px 20px; margin-top: 26px; }
.related-links h4 { margin: 0 0 8px; }
.related-links ul { margin: 0; padding-left: 20px; }

/* ---------------- footer ---------------- */
.site-footer { background: var(--bg-panel); border-top: 1px solid var(--border-color); margin-top: 46px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 36px 20px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 22px; }
.footer-col h4 { font-size: 13px; margin: 0 0 10px; color: var(--text-main); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 7px; font-size: 13px; }
.footer-col a { color: var(--text-muted); }
.footer-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 15px; margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid var(--border-color); padding: 14px 20px 26px; max-width: 1200px; margin: 0 auto; font-size: 11.5px; color: var(--text-muted); }
.footer-disclosure { max-width: 900px; }

/* ---------------- mobile ---------------- */
@media (max-width: 860px) {
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-wrap {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--primary-dark);
    flex-direction: column; align-items: stretch; padding: 8px 20px 14px; gap: 8px; display: none;
  }
  .nav-wrap.is-open { display: flex; }
  .site-nav ul { flex-direction: column; gap: 2px; }
  .site-nav a { display: block; }
  .brand-grid { grid-template-columns: 1fr; }
  .scenario-list li { flex-direction: column; align-items: flex-start; }
  .footer-inner { grid-template-columns: 1fr; }
}