:root{--ground:#05070a;--surface:#0b1017;--ink:#f5f6f8;--soft:#afb8c4;--accent:#94b8f6;--paper:#f1f3f5;--dark:#101722;--gutter:clamp(24px,5.6vw,96px);--ease:cubic-bezier(.16,1,.3,1);--font:"Alibaba PuHuiTi 3",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:0;background:none}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:6px}button:hover,a:hover{color:var(--accent)}button:active{transform:translateY(2px)}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;line-height:1.3}button{padding:0}.wrap{padding-left:var(--gutter);padding-right:var(--gutter)}.skip{position:fixed;top:-100px;left:20px;background:var(--ink);color:var(--dark);z-index:100;padding:10px}.skip:focus{top:10px}
.header{position:absolute;z-index:10;top:0;left:0;right:0;min-height:108px;padding:22px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:35px}.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:25px;letter-spacing:2px;white-space:nowrap}.brand svg{width:40px;height:40px}.header nav{display:flex;gap:clamp(22px,2.5vw,40px);align-items:center}.header nav a,.header nav button{font-size:15px;min-height:44px;display:flex;align-items:center}.menu-toggle{display:none;width:44px;height:44px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:7px auto}
.hero{position:relative;min-height:800px;height:100svh;max-height:1100px;overflow:hidden;background:#030509}.hero-visual{position:absolute;inset:0;overflow:hidden}.hero-image{width:100%;height:100%;object-fit:cover;object-position:center;animation:orbit 24s ease-in-out infinite alternate}.hero-copy{position:relative;z-index:2;padding-top:clamp(240px,30vh,330px);pointer-events:auto}.hero-copy h1{font-size:clamp(48px,4.5vw,76px);line-height:1.35;letter-spacing:1px;max-width:650px}.hero-copy h1 span{display:block;animation:rise .85s var(--ease) both}.hero-copy h1 span:nth-child(2){animation-delay:.08s}.hero-copy p{margin-top:30px;font-size:17px;letter-spacing:1px;color:#d2d9e3;animation:rise 1s .15s var(--ease) both}.primary{margin-top:38px;background:var(--ink);color:var(--dark);padding:16px 24px;display:inline-flex;gap:38px;align-items:center;pointer-events:auto;font-size:16px;animation:rise 1s .22s var(--ease) both;transition:transform .3s var(--ease)}.primary:hover{color:var(--dark);transform:translateY(-3px)}.primary span{font-size:23px}.hero-bottom{position:absolute;bottom:28px;left:0;right:0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:13px;color:#c8d1dc}.hero-bottom a,.hero-bottom button{min-height:44px;display:flex;align-items:center;gap:24px}.hero-bottom>span{margin-left:auto;margin-right:30px}.scroll-link span{font-size:24px;animation:arrow 2.5s ease-in-out infinite}.paused *{animation-play-state:paused!important}
.history{padding-top:112px;padding-bottom:116px;background:var(--surface)}.section-head{display:flex;justify-content:space-between;gap:28px;align-items:center}.section-head h2{font-size:clamp(34px,3.1vw,48px);letter-spacing:1px}.section-head>p{color:var(--soft);font-size:16px}.history-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:7vw;margin-top:58px;align-items:stretch}.history-visual{height:435px;position:relative;overflow:hidden;background:var(--ground)}.history-visual img{height:100%;width:100%;object-fit:cover;object-position:75%;transform:scale(1.1);transition:transform 1s var(--ease),object-position 1s var(--ease)}.image-caption{position:absolute;bottom:20px;left:24px;right:24px;color:var(--ink);font-size:15px}.history-content{display:flex;flex-direction:column;min-width:0}.history-tabs{display:flex;justify-content:space-between;gap:8px;margin:20px 0 28px;background:#121a25;padding:5px}.history-tabs button{flex:1;padding:9px 12px;min-height:44px;font-size:16px}.history-tabs button[aria-selected=true]{background:var(--ink);color:var(--dark)}.chapter-word{font-size:13px;letter-spacing:3px;color:var(--accent);margin-bottom:14px}.history-content h3{font-size:30px}.history-description{font-size:16px;line-height:1.9;color:#cbd1dc;margin-top:20px;max-width:520px}.history-date{font-size:13px;color:var(--soft);margin-top:22px}.history-controls{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:26px;font-size:13px;color:var(--soft)}.history-controls button{background:#192330;width:48px;height:44px;color:var(--ink);font-size:23px;transition:transform .25s var(--ease)}.history-controls button:hover{transform:translateX(3px)}
.news{background:var(--paper);color:var(--dark);padding-top:108px;padding-bottom:110px}.text-link{display:flex;gap:28px;align-items:center;min-height:44px;font-size:16px}.text-link:hover{color:#315e9c}.text-link span{font-size:24px}.news-note{font-size:13px;color:#626c7a;margin-top:16px}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:48px}.news-open{text-align:left;width:100%;display:block}.news-open:hover{color:var(--dark)}.news-photo{aspect-ratio:1.5;overflow:hidden;background:#030509}.news-photo img{width:100%;height:100%;object-fit:cover;object-position:78%;transition:transform .7s var(--ease)}.news-open:hover img{transform:scale(1.055)}.news-photo.technical{background:white}.technical img{object-fit:cover;transform:scale(1.33)}.news-open:hover .technical img{transform:scale(1.4)}.earth img{object-position:right bottom;transform:scale(1.8);transform-origin:95% 100%}.news-open:hover .earth img{transform:scale(1.9)}.news-meta{display:flex;justify-content:space-between;font-size:13px;color:#596474;margin-top:23px}.news-card h3{font-size:clamp(21px,1.8vw,27px);line-height:1.6;margin-top:12px}.news-read{display:flex;justify-content:space-between;font-size:14px;margin-top:26px;align-items:center}.news-read>span{font-size:24px;transition:transform .3s}.news-open:hover .news-read>span{transform:translate(3px,-3px)}
.footer{padding-top:42px;padding-bottom:30px}.footer-top,.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-top p{font-size:16px;color:var(--soft)}.footer-top>a:last-child{font-size:14px;min-height:44px;display:flex;align-items:center}.footer-bottom{margin-top:32px;font-size:13px;color:var(--soft)}.footer-bottom button{min-height:44px}dialog{border:0;padding:30px;width:min(760px,calc(100% - 40px));max-height:85svh;color:var(--ink);background:#111a26}dialog::backdrop{background:rgba(0,0,0,.8)}.dialog-top{display:flex;justify-content:space-between;align-items:center;color:var(--soft);font-size:14px}.dialog-top button{font-size:32px;width:44px;height:44px}.dialog-top+div{margin-top:22px}dialog h2{font-size:32px;margin-bottom:20px}dialog p{margin:16px 0;line-height:1.9}dialog img{width:100%;max-height:330px;object-fit:cover;margin-bottom:26px}dialog .dialog-note{color:var(--soft);font-size:14px}dialog .primary{margin-top:15px}.dialog-links{display:grid;gap:10px}.dialog-links button{text-align:left;padding:14px;background:#1b293b;font-size:17px}
.reveal.in-view{animation:rise .8s var(--ease) both}.news-card.in-view:nth-child(2){animation-delay:.08s}.news-card.in-view:nth-child(3){animation-delay:.16s}.history-visual.in-view{animation:imageIn 1.1s var(--ease) both}@keyframes rise{from{opacity:.15;transform:translateY(22px)}to{opacity:1;transform:none}}@keyframes imageIn{from{opacity:.3;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes orbit{from{transform:scale(1)}to{transform:scale(1.045) translate(-.4%,.4%)}}@keyframes arrow{0%,100%{transform:translateY(-3px)}50%{transform:translateY(4px)}}
@media(min-width:1700px){.hero-copy{padding-top:32vh}.hero-copy h1{font-size:80px}}


@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
.header{background:var(--ground)}.hero-visual{top:108px}.hero-copy p{font-size:18px}.hero-bottom>span,.hero-bottom>button{background:var(--ground);padding:0 12px}.history-panel{padding-top:8px}



/* Desktop-only presentation: retain the desktop composition on narrower windows. */
body{min-width:1200px}.hero{min-height:760px}.header nav{display:flex}.menu-toggle{display:none}

/* Official supplied white ADASPACE logo: retain original PNG and alpha. */
.brand .brand-logo{display:block;width:240px;height:auto;max-width:none;object-fit:contain}.footer .brand-logo{width:210px}

/* Selected static hero: live heading text and official supplied brand asset. */
:root{--font:"Alibaba PuHuiTi 3",sans-serif}
.header{background:transparent;min-height:90px;padding-top:20px;padding-bottom:20px;align-items:center}.header .brand-logo{width:210px}.header nav a,.header nav button{font-weight:400;text-shadow:0 1px 5px #000}
.hero{height:100svh;min-height:760px;max-height:1200px}.hero-visual{inset:0}.hero-image{animation:none;object-fit:cover;object-position:center}
.hero-copy{position:absolute;top:13%;left:0;right:0;padding-top:0;text-align:center;pointer-events:none}.hero-copy h1{max-width:none;font-size:clamp(46px,3.7vw,68px);font-weight:500;line-height:1.35;letter-spacing:0;text-shadow:0 2px 18px #020911}.hero-copy p{margin-top:14px;font-size:23px;letter-spacing:2px;color:#fff;animation:none;text-shadow:0 2px 12px #020911}
.hero-bottom{bottom:6%;z-index:2;align-items:flex-end;color:#fff}.hero-plan{border-left:1px solid #d8e2eb;padding-left:28px;text-shadow:0 2px 8px #000}.hero-plan h2{font-size:28px;font-weight:500;letter-spacing:0}.hero-plan p{font-size:17px;margin-top:7px;letter-spacing:0}
.hero-bottom .primary{margin:0;background:rgba(0,10,24,.22);border:1px solid #d9e5f2;color:#fff;padding:12px 28px;min-width:228px;min-height:50px;font-size:16px;animation:none;justify-content:space-between}.hero-bottom .primary:hover{background:#fff;color:#071321}.hero-bottom .primary span{font-size:21px}

/* Continuous space backdrop and full-height history chapter. */
.hero{background:#02050a}.hero-visual::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(to bottom,transparent 76%,rgba(2,5,10,.35) 88%,#02050a 100%)}
.history{position:relative;isolation:isolate;min-height:max(760px,100svh);padding-top:clamp(80px,10vh,140px);padding-bottom:clamp(64px,9vh,120px);background:#02050a;display:flex;flex-direction:column;justify-content:center;scroll-margin-top:0}
.history::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(to bottom,#02050a 0%,rgba(2,5,10,.24) 24%,rgba(2,5,10,.12) 75%,#02050a 100%),url('assets/history-stars.png') center/cover no-repeat}
.history .section-head{align-items:flex-end}.history .section-head h2{font-size:clamp(40px,3.4vw,58px)}.history-layout{grid-template-columns:.85fr 1.15fr;gap:9vw;margin-top:clamp(50px,8vh,100px);min-height:390px;align-items:stretch}
.history-visual{height:auto;min-height:390px;overflow:visible;background:transparent;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.history-step{font-family:var(--font);font-size:clamp(130px,13vw,220px);font-weight:300;line-height:.95;letter-spacing:-8px;color:rgba(173,200,236,.17)}.history-stage{font-size:32px;letter-spacing:4px;margin-top:22px}.history .image-caption{position:static;margin-top:14px;color:#b8c7d8;font-size:16px}
.history-content{justify-content:center}.history-tabs{background:transparent;border-bottom:1px solid rgba(159,188,221,.3);padding:0;margin-top:22px;margin-bottom:36px}.history-tabs button{padding:14px 12px;position:relative;color:#aebed2;background:transparent}.history-tabs button[aria-selected=true]{color:#fff;background:transparent}.history-tabs button[aria-selected=true]::after{content:"";position:absolute;bottom:-1px;left:12px;right:12px;height:2px;background:#c9e3ff}.history-content h3{font-size:34px}.history-description{max-width:620px;line-height:2}.history-controls{margin-top:30px;padding-top:0;max-width:300px}.history-controls button{background:transparent;border:1px solid rgba(169,195,226,.4)}.history-controls button:hover{background:rgba(120,160,210,.15)}

/* Reference-inspired orbital Earth: no labels or secondary objects. */
.history-layout{grid-template-columns:1fr 1.05fr;gap:5vw;align-items:center}.history-visual{min-height:440px;justify-content:center;align-items:center;overflow:visible}.history-visual canvas{display:block;width:115%;max-width:690px;height:auto;aspect-ratio:6/5;margin-left:-4%;pointer-events:none}.history-step,.history-stage{display:none}

/* Justify wrapped content while keeping the final line naturally aligned. */
main p,main li,main address,main h3,.archive-story h2,dialog p,dialog li{ text-align:justify;text-align-last:start;text-justify:inter-character }