:root{--sign:#0b6b4f;--sign-deep:#08533d;--road:#1d4f91;--caution:#f5b400;--asphalt:#22282a;--muted:#5b6563;--paper:#f5f6f4;--white:#fff;--line:#d9dedb;--radius-sign:10px;--font:"Overpass", "Noto Sans TC", "Noto Sans KR", system-ui, sans-serif;--measure:68ch}:lang(zh-Hant-TW),:lang(zh-Hant-HK){--font:"Overpass", "Noto Sans TC", system-ui, sans-serif}:lang(ko){--font:"Overpass", "Noto Sans KR", system-ui, sans-serif}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--asphalt);font-family:var(--font);margin:0;font-size:17px;line-height:1.7}:lang(zh-Hant-TW) body,:lang(ko) body{line-height:1.85}img{max-width:100%;height:auto}a{color:var(--road);text-underline-offset:3px}a:hover{color:var(--sign-deep)}:focus-visible{outline:3px solid var(--caution);outline-offset:2px}.skip{position:absolute;left:-9999px}.skip:focus{z-index:10;background:var(--white);padding:8px 12px;top:16px;left:16px}.wrap{width:min(1080px,100% - 32px);margin-inline:auto}.header{background:var(--sign);color:var(--white)}.header__inner{flex-wrap:wrap;align-items:center;gap:20px;min-height:64px;padding-block:10px;display:flex}.brand{color:var(--white);letter-spacing:.01em;align-items:center;gap:10px;font-size:19px;font-weight:800;text-decoration:none;display:flex}.brand:hover{color:var(--white)}.shield{background:var(--white);width:34px;height:30px;color:var(--sign);border-radius:6px 6px 14px 14px;place-items:center;font-size:14px;font-weight:900;display:inline-grid}.nav{gap:18px;margin-left:auto;display:flex}.nav a{color:var(--white);font-weight:600;text-decoration:none}.nav a:hover{color:var(--white);text-decoration:underline}.lang{position:relative}.lang summary{cursor:pointer;border:2px solid #ffffffb3;border-radius:999px;padding:4px 14px;font-size:15px;font-weight:600;list-style:none}.lang summary::-webkit-details-marker{display:none}.lang__menu{z-index:5;background:var(--white);width:270px;color:var(--asphalt);border-radius:8px;padding:8px 0;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 8px 28px #001e142e}.lang__menu a{color:var(--asphalt);padding:7px 16px;text-decoration:none;display:block}.lang__menu a:hover,.lang__menu a[aria-current]{background:var(--paper);color:var(--sign-deep)}.lang__menu a[aria-current]{font-weight:700}.lang__group{border-top:1px solid var(--line);color:var(--muted);margin:8px 16px 4px;padding-top:8px;font-size:13px}.lang__note{color:var(--muted);margin:4px 16px 6px;font-size:12px;line-height:1.5}.hero{color:var(--white);background:var(--asphalt);position:relative}.hero__photo{margin:0}.hero__photo img{object-fit:cover;width:100%;height:clamp(440px,70vh,680px);display:block}.hero__inner{position:absolute;bottom:40px;left:0;right:0}.hero__sign{background:var(--sign);border-radius:var(--radius-sign);box-shadow:inset 0 0 0 4px var(--sign), inset 0 0 0 7px var(--white), 0 12px 40px #00000047;max-width:760px;padding:32px clamp(20px,4vw,44px)}@media (width<=760px){.hero__photo img{height:300px}.hero__inner{z-index:1;margin-top:-72px;padding-bottom:32px;position:relative;bottom:auto}}.hero h1{letter-spacing:-.01em;margin:0 0 12px;font-size:clamp(32px,5.4vw,56px);font-weight:800;line-height:1.1}.hero p{opacity:.95;max-width:56ch;margin:0;font-size:18px}.hero__exit{flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;display:flex}.exit-tab{background:var(--white);color:var(--sign-deep);border-radius:6px;align-items:center;gap:10px;padding:10px 18px;font-weight:800;text-decoration:none;display:inline-flex}.exit-tab:hover{background:var(--caution);color:var(--asphalt)}.section{padding:48px 0}.section h2{margin:0 0 20px;font-size:26px;font-weight:800;line-height:1.25}.routes-list{border-top:2px solid var(--asphalt);margin:0;padding:0;list-style:none}.routes-list li{border-bottom:1px solid var(--line)}.routes-list a{color:var(--asphalt);grid-template-columns:150px 1fr 160px;align-items:start;gap:6px 24px;padding:18px 4px;text-decoration:none;display:grid}.routes-list a:hover{background:var(--white)}.routes-list .cat{color:var(--sign-deep);padding-top:3px;font-size:14px;font-weight:700}.routes-list .ttl{color:var(--road);font-size:19px;font-weight:700;line-height:1.4}.routes-list .desc{color:var(--muted);grid-column:2;font-size:15px;line-height:1.6}.routes-list .thumb{object-fit:cover;border-radius:4px;grid-area:1/3/span 2;width:160px;height:90px}@media (width<=640px){.routes-list a{grid-template-columns:1fr 96px}.routes-list .cat,.routes-list .ttl,.routes-list .desc{grid-column:1}.routes-list .thumb{grid-area:1/2/span 3;width:96px;height:54px}}.area-signs{flex-wrap:wrap;gap:12px;display:flex}.area-sign{background:var(--road);color:var(--white);border:2px solid var(--white);outline:2px solid var(--road);border-radius:6px;padding:12px 22px;font-weight:800;text-decoration:none}.area-sign:hover{background:var(--sign);outline-color:var(--sign);color:var(--white)}.empty{color:var(--muted)}.crumbs{color:var(--muted);padding-top:20px;font-size:14px}.crumbs a{color:var(--muted)}.article{max-width:var(--measure);padding:12px 0 64px}.article__cat{color:var(--sign-deep);margin-top:16px;font-size:14px;font-weight:700;display:inline-block}.article h1{letter-spacing:-.005em;margin:6px 0 14px;font-size:clamp(28px,4.2vw,40px);font-weight:800;line-height:1.2}.meta{color:var(--muted);flex-wrap:wrap;gap:4px 18px;margin-bottom:20px;font-size:14px;display:flex}.notice{background:var(--white);border-left:5px solid var(--caution);margin:0 0 20px;padding:10px 14px;font-size:14px}.notice--preview{border-left-color:var(--road)}.cover{margin:4px 0 24px}.cover img{aspect-ratio:16/9;object-fit:cover;background:#dfe5e2;border-radius:6px;width:100%;height:auto;display:block}.photo figcaption{color:var(--muted);margin-top:6px;font-size:12px}.keypoints{background:var(--sign);color:var(--white);border-radius:var(--radius-sign);box-shadow:inset 0 0 0 3px var(--sign), inset 0 0 0 5px var(--white);margin:8px 0 32px;padding:20px 24px}.keypoints h2{margin:0 0 8px;font-size:17px;font-weight:800}.keypoints ul{margin:0;padding-left:1.2em}.keypoints li+li{margin-top:6px}.prose h2{border-top:4px solid var(--asphalt);margin:44px 0 12px;padding-top:10px;font-size:25px;font-weight:800;line-height:1.3}.prose h3{margin:28px 0 8px;font-size:19px}.prose p,.prose ul,.prose ol{margin:0 0 16px}.prose li+li{margin-top:4px}.prose table{border-collapse:collapse;background:var(--white);width:100%;margin:8px 0;font-size:15px}@media (width<=640px){.prose table{display:block;overflow-x:auto}}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 12px}.prose th{background:#e7ece9}.prose .source{color:var(--muted);margin-top:4px;font-size:13px}.prose blockquote{border-left:5px solid var(--caution);background:#fff7d6;margin:20px 0;padding:14px 18px}.prose blockquote p:last-child{margin-bottom:0}.faq{margin-top:44px}.faq h2,.sources h2,.history h2{margin:0 0 12px;font-size:21px;font-weight:800}.faq dt{margin-top:16px;font-weight:700}.faq dd{margin:4px 0 0}.sources,.history{margin-top:36px;font-size:15px}.sources ul,.history ul{margin:0;padding-left:1.2em}.disclaimer{color:var(--muted);margin-top:36px;font-size:14px}.facts{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;margin:0 0 28px;display:grid}.facts div{background:var(--white);border:1px solid var(--line);border-radius:4px;padding:12px 14px}.facts dt{color:var(--muted);font-size:13px}.facts dd{margin:2px 0 0;font-weight:700}.picker{background:var(--sign);min-height:100vh;color:var(--white);place-items:center;padding:32px 16px;display:grid}.picker__sign{border:3px solid var(--white);border-radius:var(--radius-sign);width:min(560px,100%);padding:32px}.picker h1{margin:0 0 18px;font-size:30px;line-height:1.2}.picker ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.picker a{background:var(--white);color:var(--sign-deep);border-radius:6px;padding:12px 16px;font-size:18px;font-weight:800;text-decoration:none;display:block}.picker a:hover{background:var(--caution);color:var(--asphalt)}.footer{background:var(--asphalt);color:#c9d0ce;margin-top:40px;padding:32px 0 40px;font-size:14px}.footer a{color:var(--white)}.footer__row{flex-wrap:wrap;justify-content:space-between;gap:8px 24px;display:flex}@media (prefers-reduced-motion:reduce){*{transition:none!important}}