.route-explorer{margin:32px 0;border:1px solid #c7cfdf;background:#f1f4f8;color:#171432}
.route-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:20px;border-bottom:1px solid #c7cfdf}
.route-filters{display:flex;gap:8px;flex-wrap:wrap;margin-right:auto}
.route-filters button,.airport-node{font:inherit;font-size:var(--font-small);cursor:pointer;background:white;border:1px solid #526bb2;color:#171432}
.route-filters button{min-height:44px;padding:8px 16px}
.route-filters button[aria-pressed=true],.airport-node[aria-pressed=true]{background:#171432;color:white}
.route-controls label{font-size:var(--font-small)}
.route-controls select{font-size:var(--font-body);min-height:44px;max-width:100%;padding:8px;background:white;color:#171432;border:1px solid #526bb2}
.route-map-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(260px,1fr)}
.route-map{position:relative;min-width:0;overflow:hidden;background:#f1f4f8;aspect-ratio:1000/1050}
.coast-map,.flight-paths,.airport-nodes{position:absolute;inset:0;width:100%;height:100%}
.coast-map{object-fit:contain}.flight-paths{pointer-events:none}
.air-route{fill:none;stroke:#526bb2;stroke-width:1.4;stroke-dasharray:5 5;opacity:.48;vector-effect:non-scaling-stroke}
.air-route.rmq{stroke:#263b75;stroke-dasharray:3 4}
.air-route.selected{stroke-width:2.4;opacity:1}
.origin-dot{fill:#171432;stroke:white;stroke-width:2}.destination-dot{fill:#f7bf36;stroke:#171432;stroke-width:2}.destination-dot.rmq{fill:#526bb2}
.airport-leader{fill:none;stroke:#526bb2;stroke-width:1;vector-effect:non-scaling-stroke}
.airport-node{position:absolute;transform:translate(-50%,-50%);min-width:44px;min-height:32px;padding:4px;font-weight:700;border-radius:2px;line-height:1.4}
.taiwan-callout{position:absolute;left:47%;top:29%;display:flex;flex-direction:column;font-size:var(--font-small);line-height:1.5;background:#f1f4f8e8;padding:8px;border-left:3px solid #f7bf36;pointer-events:none}
.airport-detail{padding:28px;min-width:0;border-left:1px solid #c7cfdf;background:white;overflow-wrap:anywhere}.airport-detail h3{font-size:28px;margin:8px 0 14px}.airport-detail p{margin:10px 0}
.destination-list{padding:0;list-style:none}.destination-list li{padding:20px 0;border-top:1px solid #d3dce9;display:flex;flex-direction:column;gap:8px}.destination-list a{font-size:var(--font-small);line-height:1.5;text-decoration:underline;color:#344d8d}.destination-list strong{font-size:20px}.destination-list span{font-size:var(--font-body)}
.route-sources{margin-top:24px;font-size:var(--font-small);line-height:1.7}.route-sources summary{cursor:pointer;min-height:44px;padding:10px 0;font-weight:700}.route-sources a{color:#344d8d;text-decoration:underline;overflow-wrap:anywhere}.route-source-list p{border-bottom:1px solid #c7cfdf;padding-bottom:10px}
.rail-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:40px}.rail-step{min-width:0;position:relative}.rail-step:not(:last-child):after{content:'→';position:absolute;right:-31px;top:150px;font-size:28px;color:#526bb2}.rail-step figure{margin:0 0 22px}.rail-step img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#e1e5ee;display:block}.rail-step figcaption{font-size:var(--font-small);line-height:1.5;padding-top:8px;color:#43516c}.rail-step figcaption a{text-decoration:underline}.rail-step h3{font-size:28px;margin:16px 0}.rail-step p{font-size:var(--font-body)}.rail-step .step-route{font-weight:700;min-height:4em}.rail-step .section-kicker,.rail-step .source-note{font-size:var(--font-small)}.step-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.rail-step .lime-button{display:inline-flex;white-space:normal;text-align:left;min-height:48px;line-height:1.5;padding:14px 18px}.route-explorer button:focus-visible,.route-controls select:focus-visible{outline:3px solid #526bb2;outline-offset:3px}
@media(max-width:1000px){.route-map-layout{grid-template-columns:minmax(0,1fr)}.route-map{max-height:none}.airport-detail{border-left:0;border-top:1px solid #c7cfdf}.rail-steps{gap:28px}.rail-step:not(:last-child):after{right:-24px}.rail-step h3{font-size:24px}}
@media(max-width:800px){.rail-steps{grid-template-columns:1fr;gap:60px}.rail-step:not(:last-child):after{content:'↓';top:auto;bottom:-48px;right:50%}.rail-step .step-route{min-height:0}.rail-step img{max-height:400px}.route-controls{align-items:stretch}.route-controls label{width:100%}.route-controls select{width:100%}.airport-nodes,.airport-leader{display:none}.taiwan-callout{left:47%;font-size:var(--font-small);padding:4px}.airport-detail{padding:20px}.route-filters button{padding:8px 12px}.route-controls{padding:16px}.route-filters{gap:6px}.route-map{aspect-ratio:1000/1050}}
/* Transport editorial refinement — existing navy / blue / yellow identity. */
.route-explorer{border:0;background:transparent;margin-top:42px}
.route-controls{padding:0 0 24px;gap:24px;border-bottom:0;justify-content:space-between;align-items:end}
.route-filters{gap:0;border-bottom:1px solid var(--line);margin:0}
.route-filters button{border:0;border-bottom:3px solid transparent;background:transparent;color:var(--muted);padding:14px 20px;font-size:var(--font-body);font-weight:600;transition:background .2s,color .2s}
.route-filters button[aria-pressed=true]{background:var(--ink);border-bottom-color:var(--lime);color:white}
.departure-picker{display:flex;flex-direction:column;gap:8px;min-width:270px;max-width:100%}.departure-picker label{color:var(--blue);font-weight:600}.departure-picker select{border:0;border-bottom:1px solid var(--ink);background:#f2f5fb;padding:12px 36px 12px 16px;min-height:50px;width:100%;border-radius:0}
.route-map-layout{grid-template-columns:minmax(0,1.6fr) minmax(300px,1fr);align-items:stretch;background:#f2f5fb;border-radius:72px 0 0 0;overflow:hidden}
.route-map{background:#f2f5fb}.coast-map{opacity:.8}
.airport-node{border:0;background:#ffffffeb;color:#344d8d;box-shadow:none;min-height:34px;padding:5px 7px;border-radius:0;letter-spacing:.04em}
.airport-node[aria-pressed=true]{background:var(--lime);color:var(--ink)}.airport-node:hover{background:var(--ink);color:#fff}
.taiwan-callout{background:#f2f5fbe8;border-left:3px solid var(--lime);padding:8px 12px;left:47%;top:30%}
.airport-detail{display:flex;flex-direction:column;justify-content:center;border:0;background:var(--ink);color:#fff;padding:40px;overflow-wrap:normal}
.airport-detail .section-kicker{color:#a9bcec;margin:0 0 12px}.airport-detail .airport-code{font-family:Manrope,Arial,sans-serif;font-size:clamp(52px,5.8vw,84px);font-weight:700;line-height:1;letter-spacing:-.045em;color:var(--lime);margin:0 0 16px}
.airport-detail h3{font-size:32px;line-height:1.3;margin:0 0 12px}.airport-detail .airport-full-name{font-size:var(--font-body);color:#d8dceb;line-height:1.6;margin:0 0 32px;overflow-wrap:break-word}
.airport-detail .arrival-label{font-size:var(--font-small);letter-spacing:.1em;color:#a9bcec;margin:0 0 8px}
.destination-list{margin:0}.destination-list li{display:grid;grid-template-columns:52px minmax(0,1fr) 20px;gap:14px;align-items:center;padding:20px 0;border-top:1px solid #49445f}
.destination-list .destination-code{font-family:Manrope,Arial,sans-serif;font-size:var(--font-body);font-weight:700;color:#fff}.destination-copy{display:flex;flex-direction:column;gap:5px}.destination-copy strong{font-size:20px;line-height:1.35}.destination-copy span{font-size:var(--font-small);line-height:1.5;color:#d8dceb}.destination-list .destination-arrow{font-size:23px;color:var(--lime)}
.rail-steps{gap:32px;align-items:stretch;margin-top:44px}.rail-step{display:grid;grid-template-rows:auto auto auto auto 1fr auto;gap:18px;align-content:start}
.rail-step>.section-kicker{margin:0;color:var(--blue)}.rail-step figure{margin:0;width:100%;aspect-ratio:3/2;overflow:hidden;background:#dfe4ef}.rail-step img{display:block;width:100%;height:100%;aspect-ratio:auto;object-fit:cover;max-height:none}
.rail-step h3{font-size:26px;line-height:1.35;margin:4px 0 0;min-height:2.7em}.rail-step .step-route{font-size:var(--font-body);line-height:1.7;min-height:5.1em;margin:0;color:var(--ink)}.rail-step .step-description{font-size:var(--font-body);line-height:1.7;color:var(--muted);margin:0}
.rail-step .step-actions{display:flex;flex-direction:column;justify-content:flex-end;gap:12px;min-height:126px;padding-top:10px}.step-links{display:flex;flex-direction:column;gap:16px;margin:0;align-items:stretch}.step-links .text-link{align-self:flex-start;font-size:var(--font-small)}
.rail-step .lime-button{display:flex;align-items:center;justify-content:space-between;min-height:76px;width:100%;padding:16px 20px;font-size:var(--font-body);line-height:1.5;border:0;text-align:left}.rail-step:not(:last-child):after{right:-25px;top:calc(1.5rem + 18px + 70px);font-size:24px}
@media(max-width:1100px){.airport-detail{padding:28px}.route-map-layout{grid-template-columns:minmax(0,1.4fr) minmax(270px,1fr)}.rail-steps{gap:24px}.rail-step:not(:last-child):after{right:-21px}}
@media(max-width:1000px){.route-map-layout{grid-template-columns:1fr}.route-map{width:100%;max-width:660px;margin:auto}.airport-detail{padding:36px;display:grid;grid-template-columns:1fr 1fr;column-gap:32px;align-content:start}.airport-detail .section-kicker,.airport-code,.airport-detail h3,.airport-full-name{grid-column:1}.airport-detail .arrival-label{grid-column:2;grid-row:1}.airport-detail .destination-list{grid-column:2;grid-row:2/6}.airport-detail .airport-full-name{margin-bottom:0}.departure-picker{min-width:250px}}
@media(max-width:800px){.route-controls{align-items:stretch;gap:22px}.route-filters{width:100%}.route-filters button{flex:1;padding:14px 8px;font-size:var(--font-small)}.departure-picker{width:100%;min-width:0}.route-map-layout{border-radius:48px 0 0 0}.rail-steps{gap:64px}.rail-step{display:flex;flex-direction:column;gap:18px}.rail-step figure{aspect-ratio:3/2}.rail-step h3,.rail-step .step-route{min-height:0}.rail-step h3{font-size:26px;margin-top:4px}.rail-step .step-actions{min-height:0;padding-top:8px}.rail-step .lime-button{min-height:56px}.rail-step:not(:last-child):after{top:auto;bottom:-49px;right:50%;font-size:26px}}
@media(max-width:600px){.airport-detail{display:flex;padding:28px}.airport-detail .airport-code{font-size:64px}.airport-detail .airport-full-name{margin-bottom:28px}.airport-detail .arrival-label{margin-bottom:8px}.taiwan-callout{padding:5px 7px;font-size:var(--font-small)}.route-explorer{margin-top:28px}.rail-steps{margin-top:32px}}
@media(min-width:1001px){.rail-step .lime-button{min-height:80px}.rail-step .step-actions>.text-link{align-self:flex-start;font-size:var(--font-small)}}
@media(min-width:801px) and (max-width:1000px){.rail-steps{grid-template-columns:1fr;gap:64px}.rail-step{display:flex;flex-direction:column;gap:18px}.rail-step h3,.rail-step .step-route{min-height:0}.rail-step .step-actions{min-height:0}.rail-step:not(:last-child):after{content:'↓';top:auto;bottom:-49px;right:50%}.rail-step .lime-button{min-height:56px}}

/* Approved concept applied: transparent containers and shared alignment rows. */
.section{padding:64px 6%}.transport-section.pale{background:transparent;border-top:1px solid #dfe4ef}.rail-step figure,.rail-step img,.route-map-layout,.route-map,.coast-map{background:transparent}.route-map-layout{border-radius:0;overflow:visible;gap:40px;align-items:center}.airport-detail{background:transparent;color:#171432;border-left:1px solid #dfe4ef;padding:24px 0 24px 40px;justify-content:flex-start;align-self:center}.airport-detail .section-kicker,.airport-detail .arrival-label{color:#526bb2}.airport-detail .airport-code{font-size:72px;color:#526bb2;letter-spacing:-.06em;margin:0 0 10px}.airport-detail h3{font-size:32px}.airport-detail .airport-full-name{color:#596278;margin-bottom:36px}.destination-list li{border-color:#dfe4ef;grid-template-columns:60px minmax(0,1fr) 24px;gap:18px;padding:22px 0}.destination-list .destination-code{display:flex;align-items:center;justify-content:center;background:#f7bf36;color:#171432;min-height:40px;letter-spacing:.03em}.destination-copy strong{color:#171432}.destination-copy span{color:#596278}.destination-list .destination-arrow{color:#526bb2}.taiwan-callout{background:#ffffffeb}.airport-node{background:#fff}.rail-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:32px;row-gap:20px}.rail-step{display:grid;grid-template-rows:subgrid;grid-row:span 6;gap:20px}.rail-step h3,.rail-step .step-route{min-height:0}.rail-step .step-description{margin:0}.rail-step .step-actions{display:grid;grid-template-rows:76px minmax(30px,auto);align-content:start;justify-content:stretch;gap:14px;min-height:0;padding:12px 0 0}.rail-step .lime-button{grid-row:1;width:100%;height:76px;min-height:76px;box-sizing:border-box;justify-content:center;text-align:center;white-space:normal;padding:14px 18px;line-height:1.5}.rail-step .step-actions>.text-link{grid-row:2;align-self:start;justify-self:start;border:0;padding:0;margin:0;line-height:1.6;min-height:24px;font-size:14px;color:#526bb2}.rail-step .text-link>span{transform:none}.rail-step:not(:last-child):after{display:none}.rail-step img{width:100%;height:100%;object-fit:cover;aspect-ratio:auto}.rail-step figure{aspect-ratio:3/2;margin:0}.transport-section h2{margin-bottom:24px}
@media(max-width:1000px){.route-map-layout{grid-template-columns:1fr;gap:24px}.airport-detail{display:block;border-left:0;border-top:1px solid #dfe4ef;padding:28px 0}.airport-detail .airport-code{font-size:56px}.rail-steps{grid-template-columns:1fr;gap:48px}.rail-step{display:flex;flex-direction:column;gap:18px}.rail-step .step-actions{grid-template-rows:minmax(56px,auto) auto;padding-top:4px}.rail-step .lime-button{height:auto;min-height:56px}.section{padding:40px 6%}.mock-toolbar{align-items:flex-start}.mock-toolbar p{max-width:65%}}

.rail-step .step-description{white-space:pre-line}