/* ============ 周末自驾路书 · 共用样式 ============ */
:root{
  --brand:#0d9488; --brand2:#059669; --brand-soft:#f0fdfa;
  --ink:#111827; --text:#1f2937; --muted:#6b7280; --line:#e5e7eb;
  --bg:#f5f6f8; --card:#ffffff;
  --ok:#16a34a; --okbg:#f0fdf4; --okln:#bbf7d0;
  --warn:#b45309; --warnbg:#fffbeb; --warnln:#fde68a;
  --danger:#dc2626; --dangerbg:#fef2f2; --dangerln:#fecaca;
  --info:#2563eb; --infobg:#eff6ff; --infoln:#bfdbfe;
  --accent:#0d9488;
  --r:16px;
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 10px 28px rgba(16,24,40,.07);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.72;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:880px;margin:0 auto;padding:0 16px 56px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.6) blur(12px);
  background:rgba(255,255,255,.86);border-bottom:1px solid var(--line);
}
.nav-in{max-width:880px;margin:0 auto;padding:9px 16px;display:flex;gap:6px;align-items:center;overflow-x:auto}
.nav-in::-webkit-scrollbar{display:none}
.nav a{
  flex:0 0 auto;font-size:13px;padding:6px 11px;border-radius:999px;
  color:var(--muted);white-space:nowrap;transition:.18s;
}
.nav a:hover{background:#f1f3f6;color:var(--text)}
.nav a.on{background:var(--accent);color:#fff;font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;margin:16px 0 20px;border-radius:20px;overflow:hidden;
  min-height:330px;display:flex;align-items:flex-end;box-shadow:var(--shadow);
}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,12,20,.10) 0%,rgba(9,12,20,.28) 42%,rgba(9,12,20,.86) 100%);
}
.hero-in{position:relative;z-index:2;padding:22px 22px 20px;color:#fff;width:100%}
.hero .kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;opacity:.82;margin-bottom:8px}
.hero h1{margin:0 0 6px;font-size:30px;line-height:1.22;font-weight:800;letter-spacing:-.02em}
.hero .sub{font-size:14px;opacity:.9;margin:0 0 12px}
.hero .pills{display:flex;flex-wrap:wrap;gap:7px}
.hero .pills span{
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  background:rgba(255,255,255,.20);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(4px);
}

/* ---------- 通用卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.sec{margin:34px 0 14px;display:flex;align-items:center;gap:10px}
.sec .no{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.sec h2{margin:0;font-size:19px;font-weight:750;letter-spacing:-.01em}
.sec .hint{margin-left:auto;font-size:12px;color:var(--muted)}

/* ---------- KPI ---------- */
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kpi > div{background:#fafbfc;border:1px solid #eef0f3;border-radius:12px;padding:11px 12px}
.kpi .k{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.kpi .v{font-size:16px;font-weight:750;margin-top:2px;letter-spacing:-.01em}
.kpi .v small{font-size:11.5px;font-weight:500;color:var(--muted)}

/* ---------- 图片画廊 ---------- */
.gal{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0 4px}
.gal img{width:100%;height:172px;object-fit:cover;border-radius:10px;background:#eef0f3}
.gal .wide{grid-column:1/-1;height:214px}
.gal .one{grid-column:1/-1;height:214px}
.cap{font-size:11.5px;color:var(--muted);margin:5px 0 0;line-height:1.5}
.ai{font-size:10.5px;color:#9ca3af;border:1px solid #e5e7eb;border-radius:4px;padding:0 4px;margin-left:4px;vertical-align:1px}

/* ---------- 时间轴 ---------- */
.tl{position:relative;margin-top:6px}
.tl::before{content:"";position:absolute;left:53px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#e5e7eb,#f3f4f6)}
.evt{display:grid;grid-template-columns:54px 1fr;gap:14px;position:relative;padding:7px 0}
.evt .t{font-size:12.5px;font-weight:700;color:var(--accent);text-align:right;padding-top:2px;font-variant-numeric:tabular-nums}
.evt .t::after{
  content:"";position:absolute;left:50px;top:11px;width:8px;height:8px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);transform:translateX(-50%);
}
.evt .c{min-width:0}
.evt .c h4{margin:0 0 2px;font-size:14.5px;font-weight:700}
.evt .c p{margin:0;font-size:13.5px;color:#374151}
.evt .c .m{font-size:12.5px;color:var(--muted);margin-top:3px}
.evt.hl .c h4{color:var(--accent)}

/* ---------- 事实条 ---------- */
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:10px}
.fact{background:#fafbfc;border:1px solid #eef0f3;border-radius:10px;padding:8px 10px}
.fact .fl{font-size:11px;color:var(--muted)}
.fact .fv{font-size:13px;font-weight:650;margin-top:1px}

/* ---------- 标签 ---------- */
.b{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:999px;border:1px solid;line-height:1.6;white-space:nowrap}
.b.ok{background:var(--okbg);color:var(--ok);border-color:var(--okln)}
.b.warn{background:var(--warnbg);color:var(--warn);border-color:var(--warnln)}
.b.dan{background:var(--dangerbg);color:var(--danger);border-color:var(--dangerln)}
.b.info{background:var(--infobg);color:var(--info);border-color:var(--infoln)}
.b.dim{background:#f3f4f6;color:#6b7280;border-color:#e5e7eb}

/* ---------- 表格 ---------- */
.tb{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
.tb th{text-align:left;font-weight:650;color:var(--muted);font-size:12px;padding:7px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
.tb td{padding:8px;border-bottom:1px solid #f3f4f6;vertical-align:top}
.tb tr:last-child td{border-bottom:none}
.tb .num{font-variant-numeric:tabular-nums;white-space:nowrap}
.tb tfoot td{font-weight:750;background:#fafbfc}
.tb .mut{color:var(--muted);font-size:12.5px}

/* ---------- 预算条 ---------- */
.bars{margin-top:12px}
.brow{display:grid;grid-template-columns:78px 1fr 64px;gap:10px;align-items:center;margin-bottom:8px;font-size:13px}
.brow .bl{color:var(--muted);font-size:12.5px}
.brow .bt{height:10px;border-radius:6px;background:#f1f3f6;overflow:hidden}
.brow .bf{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--accent),#34d399)}
.brow .bv{text-align:right;font-weight:650;font-variant-numeric:tabular-nums}

/* ---------- 提示块 ---------- */
.note{border-radius:12px;padding:12px 14px;font-size:13.5px;margin-top:12px;border:1px solid}
.note.tip{background:var(--okbg);border-color:var(--okln);color:#14532d}
.note.warn{background:var(--warnbg);border-color:var(--warnln);color:#78350f}
.note.dan{background:var(--dangerbg);border-color:var(--dangerln);color:#7f1d1d}
.note.info{background:var(--infobg);border-color:var(--infoln);color:#1e3a8a}
.note b{font-weight:750}

/* ---------- 避坑 / 应急 ---------- */
ul.pit{list-style:none;padding:0;margin:6px 0 0}
ul.pit li{padding:9px 0 9px 26px;position:relative;border-bottom:1px dashed #eef0f3;font-size:13.8px}
ul.pit li:last-child{border-bottom:none}
ul.pit li::before{position:absolute;left:0;top:9px;font-size:13px}
ul.pit li.x::before{content:"❌"}
ul.pit li.w::before{content:"⚠️"}
ul.pit li.t::before{content:"💡"}
ul.pit li b{font-weight:750}

details.plan{border:1px solid var(--line);border-radius:12px;margin-bottom:9px;background:#fff;overflow:hidden}
details.plan summary{
  cursor:pointer;padding:12px 14px;font-weight:650;font-size:14px;list-style:none;
  display:flex;align-items:center;gap:8px;background:#fafbfc;
}
details.plan summary::-webkit-details-marker{display:none}
details.plan summary::after{content:"＋";margin-left:auto;color:var(--muted);font-weight:400}
details.plan[open] summary::after{content:"－"}
details.plan[open] summary{border-bottom:1px solid var(--line)}
details.plan .pb{padding:12px 14px;font-size:13.5px}
details.plan .pb dl{margin:0;display:grid;grid-template-columns:64px 1fr;gap:7px 10px}
details.plan .pb dt{color:var(--accent);font-weight:650;font-size:12.5px}
details.plan .pb dd{margin:0;color:#374151}

/* ---------- 城市卡片（首页） ---------- */
.cc{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.2s;margin-bottom:14px}
.cc:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(16,24,40,.12)}
.cc .ph{position:relative;height:150px;overflow:hidden}
.cc .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cc:hover .ph img{transform:scale(1.04)}
.cc .ph .nm{position:absolute;left:14px;bottom:10px;color:#fff;font-size:19px;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.cc .ph .rk{position:absolute;right:12px;top:12px;background:rgba(255,255,255,.94);color:#111;font-size:12px;font-weight:750;padding:3px 10px;border-radius:999px}
.cc .bd{padding:12px 14px}
.cc .bd p{margin:0 0 8px;font-size:13.5px;color:#374151}
.cc .tags{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- 打分 ---------- */
.score{display:grid;grid-template-columns:1fr;gap:9px;margin-top:10px}
.srow{display:grid;grid-template-columns:62px 1fr 42px;gap:10px;align-items:center;font-size:13px}
.srow .sn{color:var(--muted);font-size:12.5px}
.dots{display:flex;gap:4px}
.dots i{width:14px;height:14px;border-radius:4px;background:#eef0f3;display:block}
.dots i.f{background:var(--accent)}
.dots i.h{background:linear-gradient(90deg,var(--accent) 50%,#eef0f3 50%)}
.srow .sv{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}

.foot{margin-top:30px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.9}
.foot b{color:#4b5563}

@media(max-width:640px){
  .card{overflow-x:auto}
  .kpi{grid-template-columns:1fr 1fr}
  .hero{min-height:280px}
  .hero h1{font-size:24px}
  .gal img{height:130px}
  .gal .wide,.gal .one{height:170px}
  .facts{grid-template-columns:1fr 1fr}
  .sec h2{font-size:17px}
  .tb{font-size:12px}
  .tb th,.tb td{padding:6px 4px}
  .dots{display:none}
  body{font-size:14.5px}
  .evt{grid-template-columns:48px 1fr;gap:11px}
  .tl::before{left:47px}
  .evt .t::after{left:44px}
  .brow{grid-template-columns:64px 1fr 56px}
  .foot{font-size:11.5px}
}