/* Zestily — 车库 / 皮革与铬合金 / garage-ledger 风
   独立视觉身份:暖深棕皮革底 + 铜锈橙 + 黄铜,衬线展示标题,铆钉点线分隔 (区别于 Vigilant 路牌/Navigat 控制台) */
:root {
  --bg: #171210;
  --leather: #221a15;
  --leather2: #2b211a;
  --panel: #2a2019;
  --ink: #f0e6d6;
  --soft: #b9a992;
  --faint: #8a7a66;
  --line: #3d3027;
  --copper: #d9773a;
  --copper-deep: #b25a24;
  --brass: #c9a227;
  --chrome: #cfd3d6;
  --display: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Barlow", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.72; font-size: 17px;
  background-image: radial-gradient(900px 400px at 90% -10%, rgba(217,119,58,.12), transparent 60%);
  background-attachment: fixed;
}
a { color: var(--copper); text-decoration: none; }
a:hover { color: #f0935a; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.18; margin: 0; letter-spacing: .005em; }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }

/* shopfront */
.shopfront { position: sticky; top: 0; z-index: 5; background: rgba(23,18,16,.92); backdrop-filter: blur(8px); }
.shoprow { display: flex; align-items: center; gap: 20px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.piston { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 34% 30%, #f6e3c8, var(--copper) 55%, var(--copper-deep)); box-shadow: inset 0 0 0 3px rgba(0,0,0,.35), 0 0 12px rgba(217,119,58,.5); }
.brand-text { font-family: var(--display); font-size: 26px; font-weight: 700; letter-spacing: .02em; }
.brand-sub { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--faint); }
.nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--soft); font-size: 13.5px; letter-spacing: .05em; text-transform: uppercase; padding: 8px 11px; border-radius: 6px; }
.nav a:hover { color: var(--ink); background: var(--leather); }
.nav a.on { color: var(--bg); background: var(--copper); }
.rule { height: 6px; background: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 22px); }

/* hero */
.hero { padding: 60px 0 34px; }
.eyebrow { font-size: 12.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--brass); margin: 0 0 10px; }
.hero h1 { font-size: clamp(34px, 5.6vw, 56px); }
.lede { color: var(--soft); font-size: 18.5px; max-width: 660px; margin: 14px 0 28px; }
.dials { display: flex; gap: 14px; flex-wrap: wrap; }
.dial { background: var(--leather); border: 1px solid var(--line); border-radius: 10px; padding: 14px 22px; box-shadow: inset 0 1px 0 rgba(255,255,255,.04); }
.dial b { display: block; font-family: var(--display); font-size: 32px; color: var(--copper); }
.dial span { font-size: 12px; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }

/* lanes */
.lane { padding: 42px 22px; }
.lane.alt { border-top: 1px solid var(--line); }
.lane-title { font-size: 27px; }
.lane-intro { color: var(--soft); max-width: 720px; margin: 8px 0 10px; }
.lane-link { font-size: 13.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--brass); }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; margin-top: 20px; }
.card { display: block; background: linear-gradient(180deg, var(--leather2), var(--leather)); border: 1px solid var(--line); border-radius: 12px; padding: 20px; border-top: 3px solid var(--copper-deep); transition: transform .16s ease, border-color .16s ease; }
.card:hover { transform: translateY(-3px); border-top-color: var(--brass); }
.card h3 { font-size: 20px; margin: 12px 0 8px; color: var(--ink); }
.card p { color: var(--soft); font-size: 14.5px; margin: 0 0 14px; }
.card-more { font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--brass); }
.card-top { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; border: 1px solid var(--line); color: var(--soft); }
.chip.lvl { color: var(--copper); border-color: rgba(217,119,58,.5); background: rgba(217,119,58,.08); }
.chip.area { color: var(--brass); border-color: rgba(201,162,39,.45); background: rgba(201,162,39,.08); }

/* chapter hero */
.chapter-hero { padding: 52px 22px 18px; }
.chapter-hero h1 { font-size: clamp(30px, 4.8vw, 44px); }
.count { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-top: 18px; }

/* article */
.article { padding: 32px 22px 60px; }
.crumbs { font-size: 13px; color: var(--faint); display: flex; gap: 9px; margin-bottom: 20px; text-transform: uppercase; letter-spacing: .05em; }
.crumbs a { color: var(--soft); }
.art-head { padding-bottom: 18px; }
.route-badge { display: inline-block; background: var(--copper); color: #1c130d; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; padding: 4px 12px; border-radius: 4px; }
.art-head h1 { font-size: clamp(30px, 4.8vw, 46px); margin: 14px 0 6px; }
.art-sub { color: var(--soft); font-size: 15px; margin: 0 0 8px; }
.art-date { color: var(--faint); font-size: 12.5px; text-transform: uppercase; letter-spacing: .07em; margin: 0; }

/* spec table */
.spec { margin: 24px 0 34px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--leather); }
.spec-row { display: flex; gap: 14px; padding: 12px 18px; border-bottom: 1px dotted var(--line); }
.spec-row:last-child { border-bottom: 0; }
.spec-k { flex: 0 0 150px; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--brass); align-self: center; }
.spec-v { color: var(--ink); }

.art-body { max-width: 780px; }
.sec { margin-bottom: 32px; }
.sec h2 { font-size: 23px; margin-bottom: 10px; color: var(--ink); }
.art-body p { color: #d8cbb8; margin: 12px 0; }

.related { margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--line); max-width: 780px; }
.related h2 { font-size: 23px; margin-bottom: 12px; }
.linklist { list-style: none; margin: 14px 0 0; padding: 0; }
.linklist li { padding: 9px 0 9px 22px; position: relative; border-bottom: 1px dotted var(--line); display: flex; justify-content: space-between; gap: 12px; }
.linklist li::before { content: ""; position: absolute; left: 3px; top: 16px; width: 8px; height: 8px; border-radius: 50%; background: var(--copper); box-shadow: 0 0 0 2px rgba(217,119,58,.25); }
.linklist a { color: var(--ink); }
.linklist a:hover { color: var(--copper); }
.rel-cat { color: var(--faint); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }

/* legal */
.legal { padding: 46px 22px 60px; max-width: 820px; }
.legal h1 { font-size: clamp(28px, 4.2vw, 40px); margin: 14px 0 20px; }
.prose p { color: var(--soft); margin: 12px 0; }

/* footer */
.foot { margin-top: 40px; background: var(--leather); }
.foot-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-top: 32px; padding-bottom: 8px; }
.foot-brand { font-family: var(--display); font-size: 24px; margin: 0 0 6px; color: var(--ink); }
.foot-tag { margin: 0 0 6px; max-width: 440px; font-size: 14px; color: var(--soft); }
.foot-rule { margin: 0; color: var(--brass); font-size: 13.5px; }
.foot nav { display: flex; gap: 16px; flex-wrap: wrap; }
.foot nav a { color: var(--soft); font-size: 14px; }
.foot nav a:hover { color: var(--copper); }
.foot-note { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 18px 22px 26px; color: var(--faint); font-size: 12.5px; }

@media (max-width: 780px) {
  .brand-sub { display: none; }
  .spec-k { flex-basis: 110px; }
}