:root{--lime:#b3f43b;--ink:#111210;--paper:#eff1e9;--line:#363a32;--font:Arial,Helvetica,"PingFang SC","Microsoft YaHei",sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}::selection{background:var(--paper);color:var(--ink)}:focus-visible{outline:2px solid currentColor;outline-offset:6px}.skip-link{position:fixed;top:-80px;left:24px;padding:16px 22px;background:var(--ink);color:var(--lime);z-index:20}.skip-link:focus{top:20px}
.top-bar,.poster-surface{background:var(--lime);color:var(--ink)}.poster-surface{overflow:hidden}.site-header{max-width:1800px;margin:0 auto;height:86px;padding:0 4.2%;display:flex;justify-content:space-between;align-items:center;position:relative}.site-header::after{content:"";height:1px;background:#11121070;position:absolute;bottom:0;left:4.2%;right:4.2%}.wordmark{font-size:32px;font-weight:900;letter-spacing:-2px;line-height:1}.wordmark span{font-weight:500;letter-spacing:-1.6px}.main-nav{display:flex;gap:35px;margin-left:auto;margin-right:70px;font-size:14px}.main-nav a{padding:10px 0}.main-nav a:hover{text-decoration:underline;text-underline-offset:6px}.header-actions{display:flex;align-items:center;gap:24px}.language-button{border:0;background:none;font-size:14px;padding:10px 0;min-width:32px}.header-x{height:35px;width:35px;display:grid;place-items:center;border:1px solid #11121070}.header-x:hover{background:var(--ink);color:var(--lime)}
.launch-poster{max-width:1800px;margin:0 auto;padding:22px 4.2% 34px}.poster-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;letter-spacing:1.5px;line-height:1.5}.brand-stage{height:clamp(335px,35vw,580px);position:relative;margin-top:26px;isolation:isolate}.brand-display{margin:0;position:absolute;top:-.045em;left:-.045em;font-weight:900;font-size:clamp(160px,26.7vw,460px);letter-spacing:-.025em;line-height:.88;white-space:nowrap}.domain-suffix{display:block;position:absolute;font-family:var(--mono);font-weight:600;font-size:15px;letter-spacing:2px;right:-50px;top:18%;writing-mode:vertical-rl;line-height:1}.mascot-flight{position:absolute;width:clamp(300px,42vw,680px);left:65%;top:49%;transform:translate(-50%,-34%);z-index:2;pointer-events:none}.mascot-image{display:block;width:100%;height:auto;animation:takeoff 8s ease-in-out infinite;filter:drop-shadow(0 1px 0 #b3f43b)}.side-caption{position:absolute;right:0;bottom:30%;writing-mode:vertical-rl;font-family:var(--mono);font-size:12px;letter-spacing:2.2px}.corner-mark{position:absolute;width:18px;height:18px;opacity:.6}.mark-top{left:0;top:2px;border-top:1px solid var(--ink);border-left:1px solid var(--ink)}.mark-bottom{right:0;bottom:5px;border-bottom:1px solid var(--ink);border-right:1px solid var(--ink)}
.poster-bottom{position:relative;z-index:3;display:grid;grid-template-columns:1fr auto 140px;gap:45px;align-items:end;border-top:1px solid #11121070;padding-top:25px}.poster-copy h2{font-size:clamp(25px,2.35vw,42px);font-weight:700;line-height:1.08;letter-spacing:-1.25px;margin:0}.poster-copy p{font-size:16px;line-height:1.5;margin:12px 0 0;color:#2c3f13}.poster-actions{display:flex;flex-direction:column;align-items:flex-start;gap:17px;padding-bottom:2px}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;min-height:54px;padding:0 28px;border:1px solid transparent;font-size:14px;font-weight:700;transition:background .2s,color .2s}.button-dark{background:var(--ink);color:var(--lime)}.button-dark:hover{background:#2f3f18}.button-lime{background:var(--lime);color:var(--ink)}.button-lime:hover{background:var(--paper)}.text-link{font-size:14px;line-height:1.5;text-decoration:underline;text-underline-offset:5px}.poster-stamp{display:flex;align-items:center;gap:16px;padding-bottom:2px;font-family:var(--mono);font-weight:700;font-size:14px;letter-spacing:.5px;line-height:1.15}.stamp-grid{display:grid;grid-template-columns:repeat(3,8px);grid-template-rows:repeat(3,8px);gap:3px;flex:none}.stamp-grid i{background:var(--ink)}.stamp-grid i:nth-child(1){grid-area:1/1}.stamp-grid i:nth-child(2){grid-area:1/3}.stamp-grid i:nth-child(3){grid-area:2/2}.stamp-grid i:nth-child(4){grid-area:3/1}.stamp-grid i:nth-child(5){grid-area:3/3}
.dark-surface{max-width:1800px;margin:0 auto}.manifesto-line{display:flex;justify-content:space-between;gap:22px;padding:33px 4.2%;border-bottom:1px solid var(--line);font-size:clamp(28px,4.3vw,74px);font-weight:800;line-height:1;letter-spacing:-.055em;overflow:hidden}.outline-text{color:transparent;-webkit-text-stroke:1px #a8afa0}.section-wrap{margin:0 4.2%}.section-label{display:flex;gap:22px;font-family:var(--mono);font-size:12px;letter-spacing:1.5px;line-height:1.5;color:#a8afa0;margin:0}.section-label>span:first-child{color:var(--lime)}.vision-section{padding:90px 0 95px;border-bottom:1px solid var(--line)}.vision-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:90px;margin-top:42px;align-items:end}.vision-layout h2,.flight-intro h2{font-size:clamp(35px,4.3vw,76px);line-height:1.06;letter-spacing:-.055em;margin:0;font-weight:600}.lime-text{color:var(--lime)}.vision-copy p{font-size:18px;line-height:1.75;margin:0;color:#d1d6c9}.vision-copy p+p{color:#969f8c;margin-top:22px;font-size:16px;max-width:380px}
.flight-section{padding:78px 0 90px}.flight-intro{margin:40px 0 46px;display:flex;justify-content:space-between;align-items:flex-end;gap:30px}.planned-label{font-family:var(--mono);font-size:12px;letter-spacing:1.5px;border-bottom:1px solid var(--lime);padding-bottom:9px;color:var(--lime);margin-bottom:7px}.flight-list{list-style:none;margin:0;padding:0;border-top:1px solid #7c846f}.flight-list li{display:grid;grid-template-columns:80px 1.1fr 1fr 100px;gap:24px;align-items:center;padding:32px 0;border-bottom:1px solid var(--line)}.step-number{font-family:var(--mono);font-size:16px;color:var(--lime)}.flight-list h3{font-size:clamp(24px,2.1vw,36px);letter-spacing:-.8px;font-weight:500;margin:0}.flight-list p{font-size:16px;line-height:1.65;color:#a4ad98;margin:0}.step-tag{font-family:var(--mono);font-size:12px;letter-spacing:1.5px;text-align:right;color:#a1a991}
.closing-section{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;padding:60px 0 70px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.closing-copy h2{font-size:clamp(60px,8vw,144px);font-weight:800;line-height:.96;letter-spacing:-.065em;margin:28px 0 0}.closing-action{display:flex;flex-direction:column;align-items:flex-start;gap:18px;padding-bottom:6px}.closing-action>span{font-size:14px;color:#98a28b}.site-footer{padding:32px 0 35px;display:flex;align-items:center;justify-content:space-between;gap:25px}.site-footer .wordmark{font-size:28px}.site-footer .wordmark span{color:var(--lime)}.footer-caption{font-family:var(--mono);font-size:12px;letter-spacing:1.4px;color:#8d987e}.footer-actions{display:flex;gap:26px;align-items:center;font-size:12px;color:#8d987e}.copy-button{border:0;background:none;font-size:14px;color:#d9dece;padding:10px 0}.copy-button:hover{color:var(--lime)}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,8px);background:var(--lime);color:var(--ink);font-size:14px;padding:14px 22px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:30}.toast.visible{opacity:1;transform:translate(-50%,0)}
@keyframes takeoff{0%,100%{transform:translate(0,0) rotate(-1deg)}50%{transform:translate(8px,-10px) rotate(1deg)}}
@media(min-width:1800px){.brand-display{font-size:460px}.mascot-flight{width:680px}}
@media(max-width:1024px){.poster-bottom{grid-template-columns:1fr auto;gap:25px}.poster-stamp{display:none}.brand-stage{height:38vw;min-height:300px}.mascot-flight{width:44vw;min-width:340px;left:65%;top:46%}.vision-layout{gap:40px}.flight-list li{grid-template-columns:52px 1fr 1fr 80px;gap:18px}.main-nav{margin-right:45px}}
@media(max-width:760px){.site-header{height:74px;padding:0 24px}.site-header::after{left:24px;right:24px}.wordmark{font-size:28px}.main-nav{display:none}.header-actions{gap:20px}.launch-poster{padding:20px 24px 28px}.poster-meta{font-size:12px;letter-spacing:.5px;gap:15px}.poster-meta>span:last-child{display:none}.brand-stage{height:360px;min-height:0;margin-top:36px}.brand-display{top:0;left:-.04em;font-size:26.5vw;line-height:1;letter-spacing:-.025em}.domain-suffix{font-size:12px;top:20%;right:-25px;letter-spacing:1px}.mascot-flight{width:340px;min-width:0;left:51%;top:34%;transform:translate(-50%,-17%)}.side-caption{bottom:20%;font-size:12px;letter-spacing:1.2px;right:-8px}.mark-top{top:-10px;width:12px;height:12px}.mark-bottom{width:12px;height:12px;bottom:3px}.poster-bottom{grid-template-columns:1fr;gap:25px;padding-top:24px}.poster-copy h2{font-size:30px;letter-spacing:-1px}.poster-copy p{font-size:16px;margin-top:14px;max-width:300px}.poster-actions{flex-direction:row;align-items:center;gap:24px}.button{padding:0 20px;gap:20px;min-height:52px}.text-link{font-size:14px}.manifesto-line{padding:25px 24px;gap:12px;font-size:clamp(18px,4.9vw,32px);letter-spacing:-.05em}.section-wrap{margin:0 24px}.vision-section{padding:60px 0}.section-label{gap:16px;font-size:12px;letter-spacing:1px}.vision-layout{grid-template-columns:1fr;gap:28px;margin-top:28px}.vision-layout h2,.flight-intro h2{font-size:clamp(34px,8.4vw,58px)}.vision-copy p{font-size:17px}.vision-copy p+p{font-size:16px;margin-top:18px}.flight-section{padding:56px 0 60px}.flight-intro{margin:28px 0 30px;display:block}.planned-label{display:inline-block;margin:24px 0 0}.flight-list li{grid-template-columns:32px 1fr;gap:12px 18px;padding:26px 0}.step-number{grid-row:1/4;align-self:start;margin-top:7px;font-size:14px}.flight-list h3{font-size:25px;grid-column:2}.flight-list p{grid-column:2;font-size:16px}.step-tag{grid-column:2;text-align:left;margin-top:6px}.closing-section{display:block;padding:44px 0 46px}.closing-copy h2{font-size:clamp(58px,14vw,100px);margin-top:22px}.closing-action{margin-top:30px;gap:15px}.site-footer{padding:28px 0 32px;display:grid;grid-template-columns:1fr auto;gap:24px}.footer-caption{grid-column:1/3;grid-row:2}.footer-actions{gap:0}.footer-actions>span{display:none}.toast{width:max-content;max-width:calc(100% - 32px)}}
@media(max-width:380px){.launch-poster{padding-left:20px;padding-right:20px}.site-header{padding:0 20px}.brand-stage{height:310px}.mascot-flight{width:300px}.poster-actions{gap:18px}.button{padding:0 16px}.poster-copy h2{font-size:28px}.domain-suffix{right:-20px}.section-wrap{margin:0 20px}.manifesto-line{padding-left:20px;padding-right:20px}}
html[lang="zh-CN"] .poster-copy h2{letter-spacing:-1px;line-height:1.2}html[lang="zh-CN"] .vision-layout h2,html[lang="zh-CN"] .flight-intro h2{letter-spacing:-.045em;line-height:1.15}html[lang="zh-CN"] .closing-copy h2{font-size:clamp(54px,6.2vw,108px);letter-spacing:-.04em;line-height:1.08}
@media(max-width:760px){html[lang="zh-CN"] .closing-copy h2{font-size:clamp(45px,12vw,72px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}