:root{--canvas:#f7f3ea;--surface:#fffdf8;--ink:#18222d;--muted:#66717b;--line:#18222d1f;--lime:#b9f45d;--blue:#8edae5;--coral:#ff8066;--yellow:#ffd95a;--violet:#b9a7f7;--shadow:0 18px 50px #18222d17;--radius-lg:32px;--radius-md:22px;--max-width:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--canvas)}body{color:var(--ink);background:radial-gradient(circle at 82% 8%, #b9f45d33, transparent 24rem), var(--canvas);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,PingFang TC,Noto Sans TC,Microsoft JhengHei,system-ui,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--coral);outline-offset:4px}.container{width:min(calc(100% - 40px), var(--max-width));margin-inline:auto}.site-header{justify-content:space-between;align-items:center;min-height:84px;display:flex}.brand{letter-spacing:-.04em;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;display:inline-flex}.brand-mark{border:2px solid var(--ink);background:var(--lime);width:32px;height:32px;box-shadow:3px 3px 0 var(--ink);border-radius:11px;place-items:center;font-size:.9rem;display:grid;transform:rotate(-4deg)}.site-nav{color:var(--muted);align-items:center;gap:28px;font-size:.94rem;font-weight:650;display:flex}.nav-cta{border:1px solid var(--line);background:#fffdf8b8;border-radius:999px;padding:10px 16px}.hero{grid-template-columns:minmax(0,1.04fr) minmax(360px,.96fr);align-items:center;gap:clamp(42px,7vw,96px);min-height:650px;padding:70px 0 92px;display:grid}.eyebrow{border:1px solid var(--line);color:var(--muted);letter-spacing:.04em;background:#fffdf8b8;border-radius:999px;align-items:center;gap:8px;margin:0 0 18px;padding:8px 12px;font-size:.82rem;font-weight:750;display:inline-flex}.eyebrow-dot{background:var(--lime);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #b9f45d40}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.075em;max-width:680px;margin-bottom:24px;font-size:clamp(3.4rem,7.4vw,6.4rem);line-height:.98}.hero-highlight{white-space:nowrap;z-index:0;position:relative}.hero-highlight:after{background:var(--lime);content:"";z-index:-1;border-radius:999px;height:.25em;position:absolute;bottom:.05em;left:-.04em;right:-.05em;transform:rotate(-1deg)}.hero-copy{max-width:610px;color:var(--muted);margin-bottom:34px;font-size:clamp(1.08rem,2vw,1.28rem)}.hero-actions{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.button{border:2px solid var(--ink);border-radius:999px;justify-content:center;align-items:center;min-height:52px;padding:0 22px;font-weight:800;transition:transform .18s,box-shadow .18s;display:inline-flex}.button-primary{background:var(--lime);box-shadow:4px 4px 0 var(--ink)}.button:hover{box-shadow:6px 6px 0 var(--ink);transform:translate(-1px,-2px)}.hero-note{color:var(--muted);font-size:.9rem}.city-card{border:1px solid var(--line);background:var(--blue);min-height:470px;box-shadow:var(--shadow);isolation:isolate;border-radius:42px;position:relative;overflow:hidden}.city-card:before{background:var(--yellow);content:"";opacity:.92;border-radius:50%;width:240px;height:240px;position:absolute;top:-70px;right:-50px}.city-label{z-index:3;border:2px solid var(--ink);background:var(--surface);box-shadow:3px 3px 0 var(--ink);border-radius:999px;padding:9px 13px;font-size:.82rem;font-weight:800;position:absolute;top:28px;left:28px}.city-svg{width:calc(100% + 38px);height:calc(100% - 46px);position:absolute;inset:58px -20px -12px -18px}.section{padding:96px 0}.section-heading{justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px;display:flex}.section-kicker{color:var(--coral);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;font-size:.86rem;font-weight:800}h2{letter-spacing:-.055em;margin-bottom:0;font-size:clamp(2.25rem,5vw,4rem);line-height:1.08}.section-intro{max-width:450px;color:var(--muted);margin-bottom:4px}.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.tool-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);flex-direction:column;justify-content:space-between;min-height:285px;padding:30px;transition:transform .18s,box-shadow .18s;display:flex;position:relative;overflow:hidden;box-shadow:0 8px 30px #18222d0b}.tool-card:first-child{background:var(--ink);color:#fff;grid-column:span 2;min-height:330px}.tool-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.tool-card-top{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.tool-icon{border:2px solid;border-radius:18px;place-items:center;width:58px;height:58px;display:grid}.tool-card:first-child .tool-icon{background:var(--coral);color:var(--ink);box-shadow:4px 4px #fff}.tool-card:nth-child(2) .tool-icon{background:var(--violet)}.tool-card:nth-child(3) .tool-icon{background:var(--yellow)}.tool-card:nth-child(4) .tool-icon{background:var(--blue)}.status{opacity:.78;border:1px solid;border-radius:999px;padding:7px 11px;font-size:.75rem;font-weight:800}.tool-card h3{letter-spacing:-.04em;margin-bottom:10px;font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.15}.tool-card p{max-width:560px;color:var(--muted);margin-bottom:0}.tool-card:first-child p{color:#ffffffb3}.tool-number{color:currentColor;opacity:.055;font-size:8rem;font-weight:900;line-height:1;position:absolute;bottom:-30px;right:24px}.principles{background:var(--lime);border-radius:42px}.principles-inner{grid-template-columns:.75fr 1.25fr;gap:68px;padding:clamp(42px,7vw,84px);display:grid}.principles h2{max-width:420px}.principles-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.principle{border-top:2px solid #18222d59;padding-top:18px}.principle strong{margin-bottom:9px;font-size:1.02rem;display:block}.principle p{margin-bottom:0;font-size:.9rem}.site-footer{min-height:138px;color:var(--muted);justify-content:space-between;align-items:center;gap:24px;font-size:.9rem;display:flex}.footer-note{text-align:right;max-width:600px}@media (width<=900px){.hero{grid-template-columns:1fr;min-height:auto;padding-top:64px}.city-card{min-height:430px}.section-heading,.principles-inner{grid-template-columns:1fr}.section-heading{display:grid}.principles-grid{grid-template-columns:1fr}}@media (width<=680px){.container{width:min(calc(100% - 28px), var(--max-width))}.site-header{min-height:72px}.site-nav a:not(.nav-cta){display:none}.hero{gap:46px;padding:52px 0 68px}h1{font-size:clamp(3rem,16vw,4.5rem)}.city-card{border-radius:30px;min-height:360px}.city-label{top:20px;left:20px}.section{padding:70px 0}.tools-grid{grid-template-columns:1fr}.tool-card:first-child{grid-column:auto}.tool-card{border-radius:26px;min-height:255px;padding:24px}.principles{border-radius:30px}.principles-inner{padding:40px 24px}.site-footer{flex-direction:column;align-items:flex-start;padding:42px 0}.footer-note{text-align:left}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.skip-link{z-index:999;border:2px solid var(--ink);background:var(--surface);border-radius:10px;padding:10px 14px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.footer-copyright{margin:10px 0 0;font-size:.78rem}.tool-hero{padding:48px 0 62px}.breadcrumb{color:var(--muted);flex-wrap:wrap;gap:8px;margin-bottom:48px;font-size:.88rem;display:flex}.breadcrumb a:hover{color:var(--ink);text-underline-offset:3px;text-decoration:underline}.tool-hero-grid{grid-template-columns:minmax(0,1.06fr) minmax(340px,.94fr);align-items:center;gap:clamp(38px,7vw,92px);display:grid}.tool-hero h1{margin-bottom:28px;font-size:clamp(3.25rem,7vw,6rem)}.tool-lede{max-width:680px;color:var(--muted);margin-bottom:0;font-size:clamp(1.08rem,2vw,1.3rem)}.tool-illustration{border:1px solid var(--line);background:var(--blue);min-height:330px;box-shadow:var(--shadow);border-radius:38px;position:relative;overflow:hidden}.traffic-illustration{background:linear-gradient(#9de3ec 0 55%,#4db3c3 55%)}.mini-island{border:4px solid var(--ink);background:var(--lime);width:280px;height:130px;position:absolute;transform:rotate(-10deg)skew(-18deg)}.island-left{bottom:76px;left:-75px}.island-right{background:var(--yellow);top:38px;right:-80px}.tunnel-line{border:3px solid var(--ink);background:var(--surface);border-radius:999px;width:58%;height:15px;position:absolute;left:23%;transform:rotate(-18deg)}.tunnel-one{top:130px}.tunnel-two{top:178px}.tunnel-three{top:226px}.tunnel-line span{border:3px solid var(--ink);background:var(--coral);border-radius:8px;width:35px;height:22px;animation:4.5s linear infinite car-drive;position:absolute;top:-8px;left:18%}.tunnel-two span{background:var(--lime);animation-delay:-1.4s}.tunnel-three span{background:var(--violet);animation-delay:-2.7s}@keyframes car-drive{0%{left:3%}to{left:83%}}.illustration-label{border:2px solid var(--ink);background:var(--surface);box-shadow:4px 4px 0 var(--ink);border-radius:14px;padding:12px 15px;font-size:.82rem;font-weight:850;line-height:1.25;position:absolute;bottom:24px;right:24px}.tool-workspace{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:38px;margin-bottom:72px;padding:clamp(24px,4vw,48px)}.workspace-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;display:flex}.workspace-heading h2{font-size:clamp(2rem,4vw,3.1rem)}.workspace-kicker{color:var(--muted);margin-bottom:5px;font-size:.84rem;font-weight:750}.refresh-button{border:1px solid var(--line);min-height:44px;color:var(--ink);background:var(--canvas);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:0 16px;font-size:.88rem;font-weight:750;display:inline-flex}.refresh-button:hover:not(:disabled){border-color:var(--ink)}.refresh-button:disabled{cursor:wait;opacity:.52}.refresh-button:not(:disabled) .refresh-icon{transition:transform .18s}.refresh-button:hover:not(:disabled) .refresh-icon{transform:rotate(90deg)}.control-panel{background:var(--canvas);border-radius:22px;grid-template-columns:minmax(180px,.65fr) minmax(260px,1.35fr);gap:16px;margin-bottom:18px;padding:18px;display:grid}.field{gap:7px;display:grid}.field>span{font-size:.78rem;font-weight:800}.field select,.field input,.field button,.segmented-control button{width:100%;min-height:50px;color:var(--ink);background:var(--surface);font:inherit;border:1px solid #18222d33;border-radius:14px}.field select,.field input{padding:0 14px}.field select:disabled{opacity:.6}.data-status{border-radius:14px;align-items:center;gap:10px;min-height:46px;margin-bottom:22px;padding:10px 14px;font-size:.84rem;font-weight:700;display:flex}.data-status.is-loading{background:#8edae53d}.data-status.is-fresh{background:#b9f45d47}.data-status.is-stale{background:#ffd95a4d}.data-status.is-error{background:#ff806633}.status-pulse{background:currentColor;border-radius:50%;flex:none;width:9px;height:9px}.is-loading .status-pulse{animation:1.2s ease-in-out infinite status-pulse}@keyframes status-pulse{50%{opacity:.3;transform:scale(.75)}}.answer-card{border-radius:28px;justify-content:space-between;align-items:center;gap:30px;margin-bottom:18px;padding:clamp(24px,4vw,40px);display:flex}.answer-card-dark{color:#fff;background:var(--ink)}.answer-label{color:#ffffffa3;letter-spacing:.06em;text-transform:uppercase;margin-bottom:9px;font-size:.78rem;font-weight:800}.answer-card h3{letter-spacing:-.045em;margin-bottom:8px;font-size:clamp(1.9rem,4vw,3rem);line-height:1.1}.answer-context{color:#ffffffad;margin-bottom:0}.answer-number{white-space:nowrap;align-items:baseline;gap:8px;display:flex}.answer-number strong{letter-spacing:-.08em;font-size:clamp(4rem,9vw,7.3rem);line-height:.85}.answer-number span{color:#ffffffa6;font-weight:800}.result-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.route-card,.metric-card,.hospital-card,.leave-result{border:1px solid var(--line);background:var(--canvas);border-radius:22px;padding:22px}.route-card.is-shortest{border:2px solid var(--ink);background:#b9f45d57}.route-card-top{justify-content:space-between;align-items:center;gap:10px;margin-bottom:28px;display:flex}.route-rank{border:1px solid var(--line);border-radius:50%;place-items:center;width:32px;height:32px;font-size:.78rem;font-weight:850;display:grid}.traffic-badge,.pill{border-radius:999px;align-items:center;min-height:28px;padding:4px 9px;font-size:.72rem;font-weight:850;display:inline-flex}.traffic-badge.is-smooth{background:#b9f45d8c}.traffic-badge.is-slow{background:#ffd95aad}.traffic-badge.is-congested,.traffic-badge.is-closed{background:#ff806680}.traffic-badge.is-unknown{background:#66717b24}.route-card h3{min-height:2.4em;margin-bottom:12px;font-size:1.2rem;line-height:1.2}.route-time{align-items:baseline;gap:6px;margin-bottom:9px;display:flex}.route-time strong{letter-spacing:-.06em;font-size:clamp(2.7rem,6vw,4.4rem);line-height:1}.route-time span,.route-card p{color:var(--muted);font-size:.82rem}.route-card p{margin-bottom:0}.freshness-row{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:18px;margin-top:18px;padding:14px 3px 0;font-size:.79rem;display:flex}.freshness-row p{margin-bottom:0}.empty-state{text-align:center;padding:52px 20px}.empty-icon{border:2px solid var(--ink);background:var(--coral);width:56px;height:56px;box-shadow:4px 4px 0 var(--ink);border-radius:18px;place-items:center;margin:0 auto 16px;font-size:1.5rem;font-weight:900;display:grid}.empty-state h3{margin-bottom:8px;font-size:1.5rem}.empty-state p{max-width:560px;color:var(--muted);margin:0 auto 22px}.tool-notes{padding-bottom:100px}.notice-card{border-radius:24px;gap:18px;margin-bottom:18px;padding:24px;display:flex}.notice-important{background:var(--yellow)}.notice-danger{background:#ff806647}.notice-icon{border:2px solid var(--ink);background:var(--surface);width:38px;height:38px;box-shadow:3px 3px 0 var(--ink);border-radius:12px;flex:none;place-items:center;font-weight:900;display:grid}.notice-card h2{letter-spacing:-.025em;margin-bottom:6px;font-size:1.25rem}.notice-card p{margin-bottom:0}.notes-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.info-card{border:1px solid var(--line);background:var(--surface);border-radius:24px;padding:26px}.info-card h3{margin-bottom:8px;font-size:1.2rem}.info-card p{color:var(--muted)}.text-link{text-underline-offset:4px;align-items:center;gap:6px;font-weight:800;text-decoration:underline 1px;display:inline-flex}@media (width<=900px){.tool-hero-grid{grid-template-columns:1fr}.tool-illustration{min-height:300px}.result-grid{grid-template-columns:1fr}.route-card h3{min-height:auto}}@media (width<=680px){.tool-hero{padding:34px 0 44px}.breadcrumb{margin-bottom:34px}.tool-illustration{border-radius:28px;min-height:250px}.tool-workspace{border-radius:28px;width:calc(100% - 20px);margin-bottom:54px;padding:20px}.workspace-heading,.answer-card,.freshness-row{flex-direction:column;align-items:flex-start}.control-panel{grid-template-columns:1fr;padding:14px}.answer-number strong{font-size:4.3rem}.notes-grid{grid-template-columns:1fr}.notice-card{padding:20px}}@media (prefers-reduced-motion:reduce){.tunnel-line span,.status-pulse{animation:none!important}}