:root{--cabin-bg:#080d13;--cabin-panel:#101921;--cabin-panel-2:#16232c;--cabin-line:#334750;--cabin-text:#edf4f2;--cabin-muted:#91a3a6;--cabin-mint:#71f2cd;--cabin-orange:#ff9d52;--cabin-cream:#e7e3d6;--cabin-ink:#18272d}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100dvh;color:var(--cabin-text);background:var(--cabin-bg);font-family:"Segoe UI","Microsoft YaHei UI","Microsoft YaHei",sans-serif;line-height:1.72}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.cabin-shell{width:min(1220px,calc(100% - 48px));margin-inline:auto}
.cabin-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--cabin-line);background:rgba(8,13,19,.92);backdrop-filter:blur(15px)}
.cabin-nav{min-height:72px;display:grid;grid-template-columns:auto 1fr auto;gap:34px;align-items:center}.cabin-brand{display:inline-flex;align-items:center;gap:9px;font-size:20px;font-weight:900;white-space:nowrap}.cabin-brand img{display:block;width:34px;height:34px;object-fit:contain}.cabin-brand small{padding-left:9px;border-left:1px solid var(--cabin-line);color:var(--cabin-muted);font-size:9px;letter-spacing:.12em}.cabin-links{display:flex;justify-content:center;gap:clamp(18px,3vw,38px);color:var(--cabin-muted);font-size:14px;font-weight:700}.cabin-links a:hover{color:var(--cabin-mint)}
.departure-button{display:inline-flex;align-items:center;justify-content:center;min-width:164px;min-height:50px;padding:0 22px;border:1px solid var(--cabin-mint);clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);color:#061510;background:var(--cabin-mint);font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;transition:background .2s ease,transform .2s ease}.departure-button:hover{background:#a1ffe3;transform:translateY(-2px)}.departure-button--small{min-width:132px;min-height:44px;padding-inline:16px}
.cabin-text-link{color:#157a69;font-weight:900}
a:focus-visible,summary:focus-visible{outline:3px solid var(--cabin-orange);outline-offset:4px}
.hatch-hero{min-height:calc(100dvh - 72px);overflow:hidden;background:radial-gradient(ellipse at 50% 70%,rgba(77,154,145,.14),transparent 44%),linear-gradient(180deg,#0c141b,#05090d)}.hatch-space{position:relative;min-height:calc(100dvh - 72px);padding-top:clamp(52px,7vw,88px)}
.hatch-heading{position:relative;z-index:8;max-width:780px;margin-inline:auto;text-align:center}.cabin-label{margin:0 0 13px;color:var(--cabin-mint);font-size:10px;font-weight:900;letter-spacing:.17em}.hatch-heading h1,.boarding-heading h2,.interior-layout h2,.equipment-copy h2,.corridor-layout h2,.rail-layout h2,.guide-layout h2,.faq-layout h2,.departure-layout h2{margin:0;font-family:"Arial Narrow","Microsoft YaHei UI",sans-serif;font-size:clamp(44px,6.4vw,86px);line-height:.98;letter-spacing:-.05em;text-wrap:balance}.hatch-heading>p:last-child{max-width:650px;margin:20px auto 0;color:var(--cabin-muted);font-size:17px}
.entry-hatch{position:relative;width:min(720px,70vw);height:480px;margin:32px auto 0;perspective:900px}.door-frame{position:absolute;left:50%;border:1px solid var(--cabin-line);clip-path:polygon(16% 0,84% 0,100% 19%,100% 100%,0 100%,0 19%);transform:translateX(-50%)}.frame-outer{inset:0 0 auto;width:100%;height:100%;background:linear-gradient(90deg,#101920 0 9%,transparent 9% 91%,#101920 91%)}.frame-middle{top:8%;width:77%;height:92%;border-color:#45616a;box-shadow:inset 0 0 40px rgba(0,0,0,.55)}
.cabin-window{position:absolute;z-index:3;top:15%;bottom:8%;left:50%;display:grid;place-items:center;width:46%;border:1px solid #39555c;clip-path:polygon(16% 0,84% 0,100% 18%,100% 88%,88% 100%,12% 100%,0 88%,0 18%);background:radial-gradient(circle at center,rgba(113,242,205,.13),#09151b 68%);transform:translateX(-50%)}.cabin-window figure{align-self:center;width:min(72%,250px);height:auto;margin:0;padding:0;overflow:visible;transform:none}.cabin-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;filter:drop-shadow(0 20px 25px rgba(0,0,0,.45))}.cabin-window figcaption{margin-top:5px;color:var(--cabin-muted);font-size:8px;text-align:center}
.hatch-light{position:absolute;z-index:2;top:19%;bottom:5%;width:3px;background:linear-gradient(transparent,var(--cabin-mint),transparent);box-shadow:0 0 18px var(--cabin-mint)}.light-left{left:19%}.light-right{right:19%}.handrail{position:absolute;z-index:4;top:34%;bottom:6%;width:12%;border:1px solid #435860;background:#0d161d}.rail-left{left:2%;transform:skewY(13deg)}.rail-right{right:2%;transform:skewY(-13deg)}.handrail i{display:block;height:33.333%;border-bottom:1px solid #364a52;background:linear-gradient(90deg,transparent,rgba(113,242,205,.06),transparent)}
.hatch-mark{position:absolute;z-index:5;color:#708388;font:700 8px Consolas,monospace;letter-spacing:.12em}.mark-a{top:24%;left:3%}.mark-b{top:24%;right:3%}.mark-c{right:8%;bottom:8%;color:var(--cabin-mint)}
.entry-action{position:absolute;z-index:9;right:0;bottom:30px;left:0;display:grid;grid-template-columns:1fr auto 1fr;gap:30px;align-items:center;padding:14px 18px;border:1px solid var(--cabin-line);background:rgba(8,13,19,.92)}.entry-action div span,.entry-action div b{display:block}.entry-action div span{color:var(--cabin-muted);font-size:9px}.entry-action div b{font-size:12px}.entry-action p{margin:0;color:var(--cabin-muted);font-size:9px;text-align:right}.hatch-note{position:absolute;right:0;bottom:8px;margin:0;color:#526368;font-size:8px}
.boarding-section{padding:clamp(100px,13vw,170px) 0;color:var(--cabin-ink);background:var(--cabin-cream)}.boarding-heading{display:grid;grid-template-columns:.35fr 1.05fr .6fr;gap:clamp(24px,5vw,70px);align-items:start;margin-bottom:75px}.boarding-heading .cabin-label{color:#287365}.boarding-heading h2,.interior-layout h2,.equipment-copy h2,.corridor-layout h2,.rail-layout h2,.guide-layout h2,.faq-layout h2{font-size:clamp(38px,5vw,68px)}.boarding-heading>p:last-child{margin:5px 0 0;color:#637579}.boarding-track{list-style:none;margin:0;padding:0;border-top:2px solid #20353a}.boarding-track li{display:grid;grid-template-columns:120px 1fr 80px;gap:30px;align-items:start;padding:25px 0;border-bottom:1px solid #aab4af}.boarding-track li>span{color:#287365;font-size:10px;font-weight:900}.boarding-track h3,.boarding-track p{margin:0}.boarding-track h3{font-size:21px}.boarding-track p{color:#637579}.boarding-track li>b{padding:5px;border:1px solid #78928b;color:#47685f;font-size:9px;text-align:center}
.interior-section{padding:clamp(96px,12vw,158px) 0;background:#0d171e}.interior-layout>header{display:grid;grid-template-columns:.4fr 1.6fr;gap:36px;margin-bottom:68px}.interior-layout h2{max-width:15ch}.viewport-band{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--cabin-line);clip-path:polygon(30px 0,calc(100% - 30px) 0,100% 30px,100% 100%,0 100%,0 30px)}.viewport-copy{min-height:300px;padding:32px;border-right:1px solid var(--cabin-line);background:radial-gradient(circle at 50% 20%,rgba(113,242,205,.08),transparent 45%)}.viewport-copy:last-child{border-right:0}.viewport-copy span{color:var(--cabin-mint);font-size:9px;font-weight:900;letter-spacing:.12em}.viewport-copy h3{margin:110px 0 10px;font-size:22px}.viewport-copy p{color:var(--cabin-muted)}
.equipment-bay{padding:clamp(96px,12vw,158px) 0;color:var(--cabin-ink);background:#dde5e0}.equipment-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(50px,8vw,110px);align-items:center}.equipment-copy .cabin-label,.guide-layout .cabin-label,.faq-layout .cabin-label{color:#287365}.equipment-copy>p:not(.cabin-label){color:#637579}.equipment-selector{margin:28px 0;border-top:1px solid #9daca6}.equipment-selector a{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #9daca6;font-weight:800}.equipment-selector span{color:#637579;font-size:10px;font-weight:400}.equipment-visual{align-self:center;height:auto;margin:0;padding:0;border:1px solid #9daca6;background:#eef2ef;overflow:visible;transform:none}.equipment-visual figcaption{display:flex;justify-content:space-between;padding:8px 12px;border-bottom:1px solid #9daca6;color:#637579;font-size:9px}.equipment-visual 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}
.route-corridor{padding:clamp(96px,12vw,158px) 0;background:#081119}.corridor-layout>header{display:grid;grid-template-columns:.4fr 1.6fr;gap:38px;margin-bottom:70px}.corridor-perspective{display:grid;grid-template-columns:repeat(4,1fr);gap:0;perspective:800px}.corridor-perspective article{min-height:280px;padding:26px;border:1px solid var(--cabin-line);background:#0f1a21;transform:rotateY(-4deg)}.corridor-perspective article:nth-child(2){transform:rotateY(-2deg)}.corridor-perspective article:nth-child(3){transform:rotateY(2deg)}.corridor-perspective article:nth-child(4){transform:rotateY(4deg)}.corridor-perspective span{color:var(--cabin-mint);font:700 10px Consolas,monospace}.corridor-perspective h3{margin:100px 0 10px;font-size:20px}.corridor-perspective p{color:var(--cabin-muted)}.corridor-layout>.cabin-text-link{display:inline-block;margin-top:26px;color:var(--cabin-mint)}
.control-rail{padding:clamp(90px,11vw,148px) 0;color:var(--cabin-ink);background:#f0ede4}.rail-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:clamp(50px,8vw,110px)}.rail-layout .cabin-label{color:#287365}.rail-strip{border-top:1px solid #9ea9a4}.rail-strip p{display:grid;grid-template-columns:25px 160px 1fr;gap:18px;margin:0;padding:18px 0;border-bottom:1px solid #9ea9a4}.rail-strip i{width:11px;height:11px;margin-top:7px;border:3px solid #287365;border-radius:50%}.rail-strip span{color:#637579}
.cabin-guides{padding:clamp(96px,12vw,158px) 0;color:var(--cabin-ink);background:#dce5e0}.guide-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:clamp(50px,8vw,110px)}.guide-manifest{border-top:1px solid #95a9a2}.guide-manifest article{display:grid;grid-template-columns:95px 1fr 1fr 50px;gap:20px;padding:22px 0;border-bottom:1px solid #95a9a2}.guide-manifest span{color:#287365;font-size:10px;font-weight:900}.guide-manifest h3,.guide-manifest p{margin:0}.guide-manifest h3{font-size:18px}.guide-manifest p{color:#637579}.guide-manifest a{color:#287365;font-weight:900;text-align:right}
.cabin-faq{padding:clamp(96px,12vw,158px) 0;color:var(--cabin-ink);background:#fff}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(50px,8vw,110px)}.faq-list{border-top:1px solid #b4c0bb}.faq-list details{border-bottom:1px solid #b4c0bb}.faq-list summary{padding:22px 0;cursor:pointer;list-style:none;font-weight:800}.faq-list summary::-webkit-details-marker{display:none}.faq-list p{margin:0 0 22px;color:#637579}
.departure-band{padding:clamp(64px,8vw,100px) 0;background:var(--cabin-orange);color:#2d190b}.departure-layout{display:grid;grid-template-columns:1fr auto;gap:50px;align-items:end}.departure-layout .cabin-label{color:#6d3513}.departure-layout h2{max-width:17ch}.departure-button--light{border-color:#fff;color:#101820;background:#fff}
.cabin-footer{padding:52px 0 22px;background:#050a0e}.footer-layout{display:grid;grid-template-columns:1.5fr .6fr .6fr;gap:46px}.footer-layout h3{margin:0 0 10px;color:var(--cabin-mint);font-size:12px}.footer-layout>div>a:not(.cabin-brand){display:block;margin:7px 0;color:var(--cabin-muted);font-size:12px}.footer-layout>div:first-child p{color:var(--cabin-muted);font-size:12px}.cabin-copyright{grid-column:1/4;margin:20px 0 0;padding-top:18px;border-top:1px solid #23343d;color:#5b6e74;font-size:10px}
@media(max-width:980px){.hatch-space{min-height:880px}.entry-action{bottom:30px}.boarding-heading{grid-template-columns:.35fr 1.1fr}.boarding-heading>p:last-child{grid-column:2}.equipment-layout,.rail-layout,.guide-layout,.faq-layout{grid-template-columns:1fr}.equipment-copy{max-width:720px}.guide-manifest article{grid-template-columns:90px 1fr}.guide-manifest p{grid-column:2}.guide-manifest a{grid-column:2;text-align:left}}
@media(max-width:680px){.cabin-shell{width:min(100% - 24px,1220px)}.cabin-nav{grid-template-columns:auto auto}.cabin-nav>.departure-button{display:none}.cabin-links{grid-column:1/3;grid-row:2;justify-content:flex-start;overflow-x:auto;padding:11px 0}.hatch-space{min-height:920px;padding-top:48px}.hatch-heading h1{font-size:clamp(42px,13vw,60px)}.entry-hatch{width:115%;height:440px;margin-left:-7.5%}.cabin-window{width:54%}.entry-action{grid-template-columns:1fr;gap:10px;bottom:42px}.entry-action .departure-button{width:100%}.entry-action p{text-align:left}.hatch-note{bottom:12px}.boarding-heading,.interior-layout>header,.corridor-layout>header{grid-template-columns:1fr}.boarding-heading>p:last-child{grid-column:auto}.boarding-track li{grid-template-columns:74px 1fr}.boarding-track li>b{display:none}.viewport-band{grid-template-columns:1fr}.viewport-copy{min-height:0;border-right:0;border-bottom:1px solid var(--cabin-line)}.viewport-copy h3{margin:45px 0 10px}.corridor-perspective{grid-template-columns:1fr}.corridor-perspective article,.corridor-perspective article:nth-child(n){min-height:0;transform:none}.corridor-perspective h3{margin:45px 0 10px}.rail-strip p{grid-template-columns:25px 1fr}.rail-strip span{grid-column:2}.guide-manifest article{grid-template-columns:1fr;gap:8px}.guide-manifest p,.guide-manifest a{grid-column:auto}.departure-layout{grid-template-columns:1fr}.departure-layout .departure-button{width:100%}.footer-layout{grid-template-columns:1fr 1fr}.footer-layout>div:first-child{grid-column:1/3}.cabin-copyright{grid-column:1/3}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.departure-button{transition:none}}
.cabin-window figure,.equipment-visual{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none}.cabin-window img,.equipment-visual 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}