:root{--rail:#18232d;--rail2:#243441;--steel:#dfe5e7;--paper:#f2f4f3;--ink:#1c2d37;--muted:#687a83;--red:#e54d43;--blue:#3f7592;--line:#b8c4c9;--yellow:#f2c94c}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#fff;background:var(--rail);font-family:"Segoe UI","Microsoft YaHei UI",sans-serif;line-height:1.68}a{color:inherit;text-decoration:none}img{max-width:100%}.rail-shell{width:min(1220px,calc(100% - 48px));margin-inline:auto}
.rail-header{position:sticky;top:0;z-index:50;border-bottom:1px solid #41515e;background:rgba(24,35,45,.95);backdrop-filter:blur(14px)}.rail-nav{min-height:70px;display:grid;grid-template-columns:auto 1fr auto;gap:30px;align-items:center}.rail-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900}.rail-brand img{display:block;width:34px;height:34px;object-fit:contain}.rail-links{display:flex;justify-content:center;gap:clamp(18px,3vw,38px);color:#a3b0b8;font-size:13px;font-weight:800}.rail-links a:hover{color:#fff}
.rail-button{display:inline-flex;align-items:center;justify-content:center;min-width:170px;min-height:52px;padding:0 24px;border:1px solid #b92e27;border-radius:2px;color:#fff;background:var(--red);font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;transition:transform .2s ease,filter .2s ease}.rail-button:hover{filter:brightness(1.08);transform:translateY(-2px)}.rail-button--small{min-width:128px;min-height:40px;padding-inline:15px}.rail-text-link{color:#2c6c8e;font-weight:900}a:focus-visible,summary:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}
.driver-hero{padding:35px 0;background:#101820}.driver-stage{position:relative;min-height:790px;overflow:hidden;border:1px solid #475865;background:#1c2a35}.station-board{display:grid;grid-template-columns:1fr auto 1fr;padding:10px 16px;border-bottom:1px solid #4c5e6b;background:#0f171e;color:#9eb0bb;font:700 8px Consolas,monospace}.station-board b{text-align:center;color:#fff}.station-board em{text-align:right;font-style:normal}.driver-title{position:absolute;z-index:8;top:75px;left:5%;width:58%}.rail-label{margin:0 0 12px;color:var(--red);font-size:9px;font-weight:900;letter-spacing:.14em}.driver-title h1,.platform-layout h2,.carriage-layout h2,.window-copy h2,.arrival-layout h2,.signal-layout h2,.guide-layout h2,.faq-layout h2,.callout-layout h2{margin:0;font-family:"Arial Narrow","Microsoft YaHei UI",sans-serif;font-size:clamp(50px,6.2vw,84px);line-height:.96;letter-spacing:-.055em;text-wrap:balance}.driver-title>p:not(.rail-label){max-width:580px;margin:23px 0;color:#abb8c0}
.driver-windshield{position:absolute;z-index:3;right:4%;bottom:140px;width:49%;height:470px;border:12px solid #354653;border-radius:48% 48% 12% 12%/22% 22% 10% 10%;background:#9dbac7;box-shadow:inset 0 0 0 2px #829ca8}.track-view{position:absolute;inset:0;overflow:hidden;border-radius:inherit;background:linear-gradient(180deg,#b7d0d9 0 52%,#6e7c7f 52.3%)}.track-view i{position:absolute;bottom:-50px;width:4px;height:320px;background:#ecf0f0;transform-origin:bottom}.track-view i:nth-child(1){left:12%;transform:rotate(15deg)}.track-view i:nth-child(2){left:37%;transform:rotate(5deg)}.track-view i:nth-child(3){right:37%;transform:rotate(-5deg)}.track-view i:nth-child(4){right:12%;transform:rotate(-15deg)}.track-view span{position:absolute;bottom:0;width:2px;height:170px;background:repeating-linear-gradient(0deg,#fff 0 12px,transparent 12px 24px)}.track-view span:nth-of-type(1){left:47%}.track-view span:nth-of-type(2){right:47%}.driver-windshield figure{position:absolute;z-index:4;top:55px;left:50%;width:175px;height:auto;margin:0;padding:0;border:1px solid #566976;background:#17232c;transform:translateX(-50%);overflow:visible;align-self:center}.driver-windshield figcaption,.panorama-window figcaption{display:flex;justify-content:space-between;padding:8px 10px;border-bottom:1px solid #53646f;color:#9badb7;font-size:8px}.driver-windshield img,.panorama-window img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none}
.control-desk{position:absolute;z-index:9;right:4%;bottom:35px;left:4%;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #50616d;background:#101920}.control-desk p{margin:0;padding:13px 17px;border-right:1px solid #455560}.control-desk p:last-child{border:0}.control-desk span,.control-desk b{display:block}.control-desk span{color:#7f919d;font-size:8px}.control-desk b{font-size:11px}.performance-note{position:absolute;z-index:10;left:5%;bottom:115px;margin:0;color:#758692;font-size:8px}
.platform-section{padding:clamp(105px,13vw,165px) 0;color:var(--ink);background:var(--paper)}.platform-layout>header{display:grid;grid-template-columns:.4fr 1.6fr;gap:38px;margin-bottom:65px}.platform-layout h2,.carriage-layout h2,.window-copy h2,.arrival-layout h2,.signal-layout h2,.guide-layout h2,.faq-layout h2{font-size:clamp(40px,5vw,68px)}.platform-line{list-style:none;margin:0;padding:0;display:flex;border-top:5px solid var(--rail)}.platform-line li{position:relative;flex:1;padding:30px 25px;border-right:1px solid var(--line)}.platform-line li::before{content:"";position:absolute;top:-13px;left:25px;width:14px;height:14px;border:3px solid var(--paper);border-radius:50%;background:var(--red)}.platform-line span{color:#a93630;font-size:9px;font-weight:900}.platform-line h3{margin:35px 0 8px}.platform-line p{color:var(--muted);font-size:12px}
.carriage-section{padding:clamp(100px,12vw,150px) 0;background:#202f3a}.carriage-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:clamp(50px,8vw,105px)}.carriage-train{display:flex}.carriage-train article{flex:1;padding:24px;border:1px solid #50616d;background:#293a46}.carriage-train article+article{border-left:0}.carriage-train b{display:grid;width:28px;height:28px;place-items:center;border-radius:50%;color:#fff;background:var(--red)}.carriage-train span{display:block;margin:45px 0 8px;font-weight:900}.carriage-train p{color:#a7b5be;font-size:11px}
.window-section{padding:clamp(100px,12vw,150px) 0;color:var(--ink);background:#e4e9e9}.window-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(50px,8vw,100px);align-items:center}.panorama-window{align-self:center;height:auto;margin:0;padding:0;border:10px solid #5d6d76;border-radius:80px 8px 80px 8px;background:#fff;overflow:visible;transform:none}.window-copy>p:not(.rail-label){color:var(--muted)}.window-copy nav{display:flex;flex-wrap:wrap;gap:6px;margin:27px 0}.window-copy nav a{padding:7px 11px;border:1px solid #aab8bd;color:#395c6e;font-size:9px;font-weight:900}
.arrival-section{padding:clamp(100px,12vw,150px) 0;color:var(--ink);background:#fff}.arrival-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:clamp(50px,8vw,105px)}.arrival-layout dl{margin:0;border-top:1px solid var(--line)}.arrival-layout dl>div{display:grid;grid-template-columns:140px 1fr 170px;gap:25px;padding:19px 0;border-bottom:1px solid var(--line)}.arrival-layout dt{font-weight:900}.arrival-layout dd{margin:0;color:var(--muted)}.arrival-layout dd:last-child{color:#a93630;font-size:10px}
.signal-section{padding:clamp(100px,12vw,150px) 0;color:var(--ink);background:#dfe5e7}.signal-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:clamp(50px,8vw,105px)}.signal-layout>div{border-top:1px solid #a8b5ba}.signal-layout article{display:grid;grid-template-columns:150px 1fr 100px;gap:25px;padding:19px 0;border-bottom:1px solid #a8b5ba}.signal-layout span{font-weight:900}.signal-layout p{margin:0;color:var(--muted)}.signal-layout b{color:#a93630;font-size:10px}.signal-layout>.rail-text-link{grid-column:2}
.rail-guides{padding:clamp(100px,12vw,150px) 0;color:var(--ink);background:#f4f5f4}.guide-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:clamp(50px,8vw,105px)}.guide-layout>div{border-top:1px solid var(--line)}.guide-layout article{display:grid;grid-template-columns:65px 1fr 1fr 55px;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}.guide-layout span,.guide-layout a{color:#a93630;font-weight:900}.guide-layout h3,.guide-layout p{margin:0}.guide-layout p{color:var(--muted)}.guide-layout a{text-align:right}
.rail-faq{padding:clamp(100px,12vw,150px) 0;color:var(--ink);background:#fff}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(50px,8vw,105px)}.faq-layout>div{border-top:1px solid var(--line)}.faq-layout details{border-bottom:1px solid var(--line)}.faq-layout summary{padding:20px 0;cursor:pointer;list-style:none;font-weight:900}.faq-layout summary::-webkit-details-marker{display:none}.faq-layout details p{margin:0 0 20px;color:var(--muted)}
.rail-callout{padding:72px 0;background:var(--red)}.callout-layout{display:grid;grid-template-columns:1fr auto;gap:50px;align-items:end}.callout-layout .rail-label{color:#ffd9d6}.callout-layout h2{max-width:17ch}.rail-button--light{border-color:#fff;color:#a93630;background:#fff}
.rail-footer{padding:52px 0 22px;background:#0d151b}.footer-layout{display:grid;grid-template-columns:1.5fr .6fr .6fr;gap:46px}.footer-layout h3{margin:0 0 10px;color:#f2756e;font-size:12px}.footer-layout>div>a:not(.rail-brand){display:block;margin:7px 0;color:#95a4ad;font-size:12px}.footer-layout>div:first-child p{color:#95a4ad;font-size:12px}.copyright{grid-column:1/4;margin:20px 0 0;padding-top:18px;border-top:1px solid #344651;color:#667985;font-size:10px}
@media(max-width:920px){.driver-title{width:65%}.driver-windshield{right:2%;width:52%}.carriage-layout,.window-layout,.arrival-layout,.signal-layout,.guide-layout,.faq-layout{grid-template-columns:1fr}.signal-layout>.rail-text-link{grid-column:auto}.guide-layout article{grid-template-columns:65px 1fr}.guide-layout p{grid-column:2}.guide-layout a{grid-column:2;text-align:left}}
@media(max-width:680px){.rail-shell{width:min(100% - 24px,1220px)}.rail-nav{grid-template-columns:auto auto}.rail-nav>.rail-button{display:none}.rail-links{grid-column:1/3;grid-row:2;justify-content:flex-start;overflow-x:auto;padding:10px 0}.driver-stage{min-height:1050px}.station-board{grid-template-columns:1fr auto}.station-board em{display:none}.driver-title{top:60px;width:90%}.driver-title h1{font-size:clamp(44px,13vw,62px)}.driver-windshield{right:5%;bottom:250px;width:90%;height:450px}.performance-note{bottom:200px}.control-desk{grid-template-columns:1fr 1fr}.control-desk p:nth-child(n+3){display:none}.platform-layout>header{grid-template-columns:1fr}.platform-line{display:grid}.platform-line li{border-right:0;border-bottom:1px solid var(--line)}.carriage-train{display:grid}.carriage-train article+article{border-left:1px solid #50616d;border-top:0}.arrival-layout dl>div{grid-template-columns:1fr;gap:6px}.signal-layout article{grid-template-columns:1fr;gap:6px}.guide-layout article{grid-template-columns:1fr}.guide-layout p,.guide-layout a{grid-column:auto}.callout-layout{grid-template-columns:1fr}.callout-layout .rail-button{width:100%}.footer-layout{grid-template-columns:1fr 1fr}.footer-layout>div:first-child{grid-column:1/3}.copyright{grid-column:1/3}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rail-button{transition:none}}
.driver-windshield figure,.panorama-window{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible}.driver-windshield img,.panorama-window img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none}