:root{
  --bg:#f6f3ee; --card:#fffdf9; --ink:#1d2328; --muted:#5d666d; --line:#e4ddd2;
  --accent:#1f3a4d; --accent-2:#b5812f; --chip:#efe7da; --hero-ink:#fff;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#14181b; --card:#1c2226; --ink:#e9e6e0; --muted:#a3aaae; --line:#2d353a;
    --accent:#8fb8d3; --accent-2:#e2b36a; --chip:#262e33; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
  line-height:1.75;font-size:16.5px}
a{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}

/* hero */
.hero{position:relative;color:var(--hero-ink);min-height:62vh;display:flex;align-items:flex-end;overflow:hidden;background:#1f3a4d}
.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(0,0,0,.05) 30%,rgba(0,0,0,.72))}
.hero .wrap{position:relative;z-index:1;padding-bottom:28px;width:100%}
.date{display:inline-block;font-size:13px;letter-spacing:.08em;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:3px 12px;border-radius:99px}
h1{font-size:clamp(28px,7vw,44px);line-height:1.2;margin:.35em 0 .3em;font-weight:800;letter-spacing:.02em}
.lead{margin:0;opacity:.95;max-width:34em}
.hero .credit{position:absolute;right:10px;top:8px;z-index:1;font-size:11px;color:rgba(255,255,255,.75)}
.hero .credit a{color:inherit}

/* overview */
section.overview{margin:28px 0 8px}
h2{font-size:22px;line-height:1.35;margin:0 0 12px}
.route{list-style:none;margin:0;padding:0;border-left:2px dashed var(--line);margin-left:15px}
.route li{position:relative;padding:0 0 14px 26px}
.route li:last-child{padding-bottom:0}
.route .dot{position:absolute;left:-16px;top:1px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--bg);font-weight:700;font-size:14px;display:grid;place-items:center}
.route .dot.start{background:var(--accent-2)}
.route a.name{font-weight:650;color:var(--ink);text-decoration:none}
.route .meta{display:block;font-size:14px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:11px 18px;border-radius:12px;background:var(--accent);color:var(--bg);text-decoration:none;font-weight:650;font-size:15px}
.btn svg{flex:none}

/* stops */
article.stop{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:28px 0}
figure{margin:0;position:relative;background:var(--chip)}
figure img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}
figcaption{position:absolute;right:8px;bottom:6px;font-size:10.5px;color:rgba(255,255,255,.85);text-shadow:0 1px 2px rgba(0,0,0,.7)}
figcaption a{color:inherit}
.body{padding:18px 18px 20px}
.num{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--bg);font-weight:700;font-size:15px;margin-right:8px;vertical-align:3px}
.stop h2{display:flex;align-items:flex-start;gap:0;margin-bottom:4px}
.stop h2 .de{display:block;font-size:14px;font-weight:500;color:var(--muted);letter-spacing:.02em}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 4px;padding:0;list-style:none}
.facts li{display:inline-flex;align-items:center;gap:6px;background:var(--chip);border-radius:99px;padding:3px 12px;font-size:14px}
.facts svg{color:var(--accent-2);flex:none}
.facts a{text-decoration:none;font-weight:600}
h3{font-size:17px;margin:20px 0 6px;color:var(--accent)}
.body p{margin:0 0 .8em}
.body ul{margin:0;padding-left:1.2em}
.body li{margin:.25em 0}
.mass{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 10px}
.mass span{font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;border:1.5px solid var(--accent-2);color:var(--accent-2);border-radius:10px;padding:2px 12px}
.next{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--chip);font-size:15px}
footer{color:var(--muted);font-size:13px;padding:10px 0 48px}
footer p{margin:.4em 0}

/* day nav */
.daynav{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.daynav .wrap{display:flex;gap:6px;padding-top:8px;padding-bottom:8px;overflow-x:auto;scrollbar-width:none}
.daynav a{flex:none;text-decoration:none;color:var(--muted);font-size:14px;padding:5px 12px;border-radius:99px;white-space:nowrap}
.daynav a[aria-current]{background:var(--accent);color:var(--bg);font-weight:650}
.plan{width:100%;border-collapse:collapse;font-size:15px;margin:4px 0 6px}
.plan td{padding:7px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.plan td:first-child{font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap;color:var(--accent-2);width:4.8em}
.later{list-style:none;margin:0;padding:0}
.later li{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.later b{flex:none;width:4.2em;font-variant-numeric:tabular-nums;color:var(--accent)}