:root{color-scheme:light;--navy:#101d30;--deep:#0a1422;--ink:#142237;--muted:#536279;--yellow:#ffc45e;--paper:#f3f5f8;--line:#d5dce5;--blue:#234e7a;--mono:Consolas,"Courier New",monospace;--sans:system-ui,"Microsoft YaHei","PingFang SC",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:26px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 var(--sans)}body:has(dialog[open]){overflow:hidden}[hidden]{display:none!important}
button,input,textarea,select{font:inherit;color:inherit}button,summary,select{cursor:pointer}button{border:0}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #3f83c5;outline-offset:3px}.skip{position:fixed;top:10px;left:10px;z-index:2000;background:var(--yellow);padding:8px 16px;transform:translateY(-160%)}.skip:focus{transform:none}.shell{width:min(1220px,calc(100% - 96px));margin-inline:auto}
.top{background:var(--deep);color:#e9f0fa;border-bottom:1px solid #2a3a50}.top-bar{display:flex;min-height:76px;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;gap:12px;align-items:center;text-decoration:none;white-space:nowrap;line-height:1.12}.brand img{display:block}.brand b{display:block;font-size:23px;letter-spacing:.06em}.brand small{font:10px var(--mono);letter-spacing:.16em;color:#b6c8dd;display:block;margin-top:5px}.top nav{display:flex;gap:clamp(13px,2.5vw,36px);align-items:center}.top nav a{text-decoration:none;font-weight:600;color:#dce6f5;font-size:14px;white-space:nowrap}.top nav a:hover,.footer a:hover{color:var(--yellow)}.outline{padding:8px 13px;background:transparent;border:1px solid var(--line);border-radius:5px;white-space:nowrap;font-weight:650}.outline:hover{background:#e7edf4}.top .outline{color:#fff;border-color:#516479}.top .outline:hover{background:#20334d}.mobile-menu{display:none}
.hero{background:radial-gradient(ellipse at 23% 70%,#1c3655,transparent 51%),var(--navy);color:#f5f8ff;overflow:hidden}.hero-layout{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(350px,1fr);gap:clamp(30px,7vw,106px);align-items:center;padding-block:61px 50px}.hero-copy{position:relative;min-width:0}.eyebrow{font:700 11px/1.5 var(--mono);letter-spacing:.13em;display:flex;align-items:center;gap:8px;color:#bad0e6;margin:0 0 14px}.eyebrow i{width:9px;height:9px;background:var(--yellow);display:inline-block;flex:none;transform:rotate(-18deg)}.eyebrow.dark{color:#3d5775}.hero h1{font-size:clamp(59px,7.1vw,104px);line-height:1.04;letter-spacing:-.065em;margin:0 0 19px;font-weight:850}.hero h1 span{color:var(--yellow)}.hero-lede{max-width:31em;color:#c1d0e3;font-size:17px;margin:0 0 19px}.hero-link{font-weight:700;text-decoration:none;color:var(--yellow)}.hero-link span{padding-left:9px}.hero-art{display:block;width:100%;height:auto;max-height:230px;object-fit:contain;object-position:left center;margin-top:-7px}.art-caption{position:absolute;left:0;bottom:0;font:10px var(--mono);letter-spacing:.18em;color:#91acc6}
.tool{border-radius:10px;overflow:hidden;background:#fff;color:var(--ink);box-shadow:0 14px 50px #050b16a3;border-top:4px solid var(--yellow);padding:0 25px}.tool-top,.tool-bottom{display:flex;justify-content:space-between;gap:8px;align-items:center}.tool-top{padding:18px 0;color:#405a76;font-weight:800}.tool-top span+span{font:11px var(--mono);letter-spacing:.12em}.switcher{display:grid;grid-template-columns:1fr 1fr;background:#eaf0f6;border-radius:6px;padding:4px;gap:4px}.switcher button{background:transparent;padding:9px;font-weight:750;border-radius:4px;color:#3b516c}.switcher [aria-selected=true]{background:var(--navy);color:#fff}.tool h2{font-size:clamp(22px,2.3vw,29px);line-height:1.25;margin:23px 0 15px}.tool form{display:grid;gap:12px}.route-inputs{display:grid;grid-template-columns:minmax(0,1fr) 31px minmax(0,1fr);align-items:end;gap:6px}.swap{height:44px;background:transparent;font-size:20px;color:var(--blue);padding:0}.swap:hover{background:#ecf3fa}.start-dot,.end-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#346291;margin-right:5px}.end-dot{background:#d87124}
label{font-size:13px;font-weight:700;display:block;min-width:0}input,select,textarea{display:block;width:100%;margin-top:5px;padding:9px 10px;background:#f8fafc;border:1px solid #c6d1de;border-radius:5px;min-height:44px;font-size:15px}input::placeholder,textarea::placeholder{color:#66768a}textarea{resize:vertical}.primary{background:var(--yellow);border:1px solid #ffc45e;color:#1a2330;padding:11px 15px;border-radius:5px;font-weight:800}.primary:hover{background:#ffda91}.wide{width:100%;display:flex;justify-content:space-between;align-items:center}.tool-bottom{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding:13px 0;margin-top:19px;flex-wrap:wrap}.text-button{background:transparent;padding:0;color:var(--blue);font-weight:800;text-align:left}.text-button:hover{text-decoration:underline}.result{margin-top:12px;background:#e9f1fa;border-left:3px solid #4678a7;padding:10px 12px;border-radius:3px}.result p,.network-info p{margin:3px 0 6px}
.shortcut-band{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:7px}.shortcut-band div{display:flex;align-items:center;gap:14px;padding:14px 22px}.shortcut-band div+div{border-left:1px solid var(--line)}.shortcut-band b{font:700 22px var(--mono);color:#476f96}.shortcut-band strong,.shortcut-band small{display:block}.shortcut-band small{color:var(--muted)}.section{padding-block:64px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:25px}.section-heading h2,.about h2{font-size:clamp(29px,4vw,46px);line-height:1.12;margin:0;letter-spacing:-.03em}.section-heading>p{max-width:360px;margin:0;color:var(--muted)}
.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.service{padding:22px 22px 20px;background:white;border:1px solid var(--line);border-radius:7px;display:flex;flex-direction:column}.service-code{display:flex;justify-content:space-between;align-items:center;color:#416586;font:700 12px var(--mono);letter-spacing:.1em}.service-icon{width:45px;height:45px;padding:8px;color:#315f86;background:#eaf1f8;border-radius:6px}.service h3{margin:12px 0 5px;font-size:24px}.service p{margin:0 0 14px;color:var(--muted)}.service .text-button{margin-top:auto;padding-top:10px;border-top:1px solid var(--line)}.network{background:#e8edf4;border-block:1px solid #dbe2eb}.network-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:14px}.network-nav,.map-card{background:#fff;border-radius:7px;border:1px solid var(--line);overflow:hidden}.network-nav{padding:17px}.network-nav h3{margin:0 0 10px}.network-nav button{font-size:12px;padding:5px 8px;border:1px solid #d5dfe9;border-radius:4px;background:#fff}.network-nav button:hover,.network-nav button[aria-pressed=true]{background:#e2edf7;border-color:#8eafce}.city-grid,#regions{display:flex;flex-wrap:wrap;gap:5px}.city-grid{border-top:1px solid var(--line);margin-top:11px;padding-top:11px}.network-info{background:#eef3f8;padding:11px;margin-top:12px;border-radius:4px;font-size:13px}.map-head,.map-footer{display:flex;align-items:center;justify-content:space-between;padding:9px 11px;gap:8px;flex-wrap:wrap}.map-head>div{display:flex;gap:6px}.map-footer{font-size:12px;color:var(--muted)}.map-footer a{color:var(--blue);font-weight:700}#map{height:390px;background:#d4e4f0}#map-dialog #map{height:min(66vh,680px)}.leaflet-container{font-family:var(--sans)}.city-pin span{display:block;width:13px;height:13px;margin:4px;background:#ffc45e;border:2px solid #152e47;border-radius:50%;box-shadow:0 0 0 2px #ffffffe0}.city-pin.is-current span{background:#2b78b3}.leaflet-tooltip.city-label{font-weight:800;color:#172e44}.map-popup p{margin:7px 0}.map-popup button{color:#234e7a;background:#e9f1fa;padding:6px 8px;border-radius:4px;font-weight:bold}.map-popup a{display:block;margin-top:6px}
.support{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:7%;align-items:start}.about>p:not(.eyebrow){color:var(--muted);max-width:34em}.support-card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:22px}.support-card h3{font-size:24px;line-height:1.2;margin:0}.support-card>p:not(.eyebrow){color:var(--muted)}.faqs{margin-top:16px}.faqs details{border-top:1px solid var(--line);padding:9px 0}.faqs summary{font-weight:700}.faqs p{margin:5px 0;color:var(--muted)}.footer{background:var(--deep);color:#e1e9f6}.footer-inner{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:16px}.footer-inner>span{color:#b7c7da}.footer .brand b{font-size:18px}
dialog{color:var(--ink);padding:20px;border:1px solid var(--line);border-radius:9px;width:min(650px,calc(100% - 24px));max-height:calc(100% - 24px);overflow:auto;background:#fff;box-shadow:0 20px 80px #07142360}dialog::backdrop{background:#0a1422ae}#map-dialog{width:min(1100px,calc(100% - 20px));padding:0}#map-dialog .map-card{border:0}.dialog-top{display:flex;justify-content:space-between;align-items:start;gap:8px;border-bottom:1px solid var(--line);padding-bottom:11px;margin-bottom:12px}.dialog-top h2{font-size:25px;line-height:1.2;margin:0}.close{background:#eaf0f6;color:var(--ink);display:grid;place-items:center;width:36px;height:36px;border-radius:5px;font-size:25px;line-height:1}.step-index{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}.step-index span{padding:5px 8px;background:#eef2f7;border-radius:5px;font-size:13px}.step-index [aria-current=step]{background:var(--navy);color:#fff}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}.full{grid-column:1/-1}.form-actions{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-top:15px}.hint{font-size:13px;color:var(--muted)}.review{display:grid;grid-template-columns:max-content 1fr;gap:5px 15px;margin:0 0 15px}.review dt{color:var(--muted)}.review dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}.records{display:grid;gap:10px}.record{border:1px solid var(--line);border-radius:5px;padding:10px;overflow-wrap:anywhere}.record strong{display:block}.record small{color:var(--muted)}.record .form-actions{justify-content:start;margin-top:7px}.entry-options{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px}.entry-options [aria-pressed=true]{color:white;background:var(--navy)}.announce:not(:empty){position:fixed;bottom:14px;left:50%;transform:translateX(-50%);max-width:calc(100% - 20px);background:var(--deep);color:white;border:1px solid #405b79;border-radius:6px;padding:8px 15px;z-index:3000}.admin-main{max-width:800px}.admin-main form{background:white;border:1px solid var(--line);padding:20px;border-radius:7px}
@media(max-width:960px){.shell{width:calc(100% - 52px)}.hero-layout{gap:25px}.top-bar{gap:13px}.top nav{gap:12px}.top nav a{font-size:13px}.network-layout{grid-template-columns:236px minmax(0,1fr)}}
@media(max-width:760px){.shell{width:calc(100% - 32px)}.top-bar{flex-wrap:wrap;min-height:65px;gap:8px;padding-block:12px}.brand b{font-size:20px}.brand img{width:34px;height:34px}.top nav{width:100%;display:none;order:4;flex-wrap:wrap;padding:9px 0;justify-content:space-between}.top nav.open{display:flex}.mobile-menu{display:block;margin-left:auto}.nav-account{font-size:13px}.hero-layout{grid-template-columns:1fr;padding-block:27px 24px;gap:17px}.hero h1{font-size:clamp(49px,12vw,75px)}.hero-copy{padding-bottom:5px}.hero-art{height:clamp(107px,30vw,190px);object-position:center}.hero-lede{font-size:15px}.tool{padding-inline:16px}.section{padding-block:43px}.section-heading{display:block}.section-heading>p{margin-top:8px}.shortcut-band{margin-top:14px}.shortcut-band div{padding:8px 6px;gap:4px;align-items:start}.shortcut-band b{font-size:13px}.shortcut-band strong{font-size:12px}.shortcut-band small{display:none}.service-grid,.network-layout,.support{grid-template-columns:1fr}.support{gap:16px}.network-nav{padding:12px}#map{height:305px}#map-dialog #map{height:65vh}.footer-inner{padding-block:15px;flex-wrap:wrap;min-height:unset}.footer-inner>span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}