:root{
  --bg:#07111d; --bg-2:#0a1726; --panel:#0e2030; --line:rgba(174,220,231,.17);
  --text:#f2f7f7; --muted:#a8bbc6; --cyan:#59ead8; --cyan-soft:#a9fff0; --gold:#e5b86b;
  --width:1440px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;color:var(--text);background:var(--bg);font:400 16px/1.7 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
body::before{content:"";position:fixed;z-index:-1;inset:0;background:radial-gradient(circle at 74% 8%,rgba(17,92,114,.21),transparent 34%),radial-gradient(circle at 6% 72%,rgba(23,62,103,.13),transparent 34%);pointer-events:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
.en{display:none}
html[data-lang="en"] .zh{display:none}
html[data-lang="en"] .en{display:inline}
.skip-link{position:absolute;z-index:100;top:-100px;left:20px;padding:10px 14px;color:var(--bg);background:var(--cyan)}
.skip-link:focus{top:10px}
.section-frame{width:min(var(--width),100%);padding-inline:clamp(22px,5vw,88px);margin-inline:auto}
.site-header{position:sticky;top:0;z-index:90;display:flex;align-items:center;gap:24px;min-height:88px;padding:12px clamp(22px,4vw,66px);border-bottom:1px solid var(--line);background:rgba(7,17,29,.87);backdrop-filter:blur(20px)}
.wordmark{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.mark-wrap{width:54px;height:54px;overflow:hidden;display:grid;place-items:center;border:1px solid rgba(89,234,216,.28);border-radius:16px;background:#0c2530}
.mark-wrap img{width:100%;height:100%;object-fit:cover}
.wordmark-type{display:flex;flex-direction:column;line-height:1.05}
.wordmark-type strong{font-size:1.36rem;letter-spacing:.11em;white-space:nowrap}
.wordmark-type small{margin-top:6px;color:var(--cyan);font-size:.67rem;font-weight:750;letter-spacing:.21em}
.header-nav{display:flex;justify-content:center;gap:clamp(12px,2vw,34px);flex:1}
.header-nav a{color:var(--muted);font-size:.83rem;white-space:nowrap;transition:color .2s}
.header-nav a:hover,.footer-links a:hover{color:var(--cyan)}
.header-nav a[aria-current="page"]{color:var(--cyan-soft)}
.header-actions{display:flex;align-items:center;gap:18px}
.language-switch{display:flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:50px;padding:3px}
.language-switch button{border:0;background:none;color:var(--muted);border-radius:30px;padding:5px 10px;font-size:.75rem;line-height:1.3}
.language-switch button[aria-pressed="true"]{background:rgba(89,234,216,.13);color:var(--cyan-soft)}
.header-join{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;border:1px solid rgba(89,234,216,.38);border-radius:8px;padding:9px 14px;color:var(--cyan-soft);font-size:.84rem;font-weight:700}
.header-join:hover{background:rgba(89,234,216,.09)}
.hero{position:relative;min-height:760px;display:grid;grid-template-columns:1.07fr .93fr;align-items:center;gap:3vw;padding-top:90px;padding-bottom:65px;isolation:isolate}
.hero-grid{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(121,187,214,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(121,187,214,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,#000,transparent 92%)}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--cyan);font-size:.73rem;line-height:1.5;font-weight:700;letter-spacing:.22em}
.eyebrow-line{width:30px;height:1px;background:var(--cyan)}
.hero h1{font-size:clamp(4rem,7.7vw,7.7rem);line-height:.95;letter-spacing:-.07em;font-weight:650;margin:25px 0 24px;white-space:nowrap}
.hero h1 .zh{font-size:clamp(2.8rem,6vw,5.9rem)}
.hero h1 em{font-style:normal;background:linear-gradient(95deg,#5de8dd,#c1f9ee 70%,#eefcf6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-title{font-size:clamp(1.25rem,2vw,2rem);line-height:1.35;letter-spacing:-.03em;margin:0 0 18px;font-weight:600}
.hero-description{max-width:590px;margin:0;color:var(--muted);font-size:1.02rem;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.button{min-height:49px;display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:11px 18px;border-radius:8px;font-size:.87rem;font-weight:750;transition:transform .2s,background .2s,border-color .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--cyan);color:#05232b;border:1px solid var(--cyan)}
.button-ghost,.button-outline{border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--text)}
.button-ghost:hover,.button-outline:hover{border-color:rgba(89,234,216,.55);background:rgba(89,234,216,.08)}
.hero-index{display:flex;gap:22px;margin-top:75px;color:#839eae;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase}
.hero-index span:first-child{color:var(--cyan)}
.hero-art{position:relative;min-height:550px;display:grid;place-items:center}
.hero-art::before{content:"";position:absolute;width:min(86%,530px);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(23,166,173,.34),rgba(34,123,151,.11) 42%,transparent 72%);filter:blur(24px)}
.halo{position:absolute;border:1px solid rgba(102,201,221,.18);border-radius:50%}
.halo-one{width:92%;aspect-ratio:1}
.halo-two{width:100%;aspect-ratio:1;transform:rotate(24deg) scaleY(.73)}
.hero-core{position:relative;width:min(65%,380px);aspect-ratio:1;overflow:hidden;border:1px solid rgba(164,255,235,.32);border-radius:32%;box-shadow:0 30px 100px rgba(0,0,0,.32),0 0 55px rgba(42,215,196,.21);transform:rotate(-5deg)}
.hero-core img{width:100%;height:100%;object-fit:cover;transform:rotate(5deg) scale(1.07)}
.orbit-label{position:absolute;z-index:2;padding:9px 13px;border:1px solid var(--line);background:rgba(7,24,36,.88);backdrop-filter:blur(15px);font-size:.65rem;letter-spacing:.2em;color:var(--cyan-soft)}
.orbit-label-a{top:65px;left:0}
.orbit-label-b{right:0;bottom:92px}
.hero-art-caption{position:absolute;bottom:5px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;white-space:nowrap;color:#88a6b2;font-size:.66rem;letter-spacing:.25em}
.caption-dash{width:24px;height:1px;background:var(--gold)}
.signal-band{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(12px,3.5vw,46px);padding:20px 16px;border-block:1px solid var(--line);background:#0b1b29;color:#9ab3bd;font-size:.7rem;font-weight:750;letter-spacing:.18em}
.signal-band i{width:4px;height:4px;border-radius:50%;background:var(--cyan)}
.announcement-home{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:28px;padding-block:29px;border-bottom:1px solid var(--line)}
.announcement-badge{padding:8px 12px;border-radius:6px;border:1px solid rgba(229,184,107,.4);color:var(--gold);font-size:.74rem;font-weight:800;white-space:nowrap;letter-spacing:.06em}
.announcement-home h2{margin:0;font-size:1.24rem;letter-spacing:-.02em}
.announcement-home p{margin:2px 0 0;color:var(--muted);font-size:.83rem}
.announcement-home .inline-link{margin:0;white-space:nowrap}
.section-label{display:flex;align-items:center;gap:25px;color:var(--cyan);font-size:.75rem;font-weight:750;letter-spacing:.22em;white-space:nowrap}
.section-rule{width:95px;height:1px;background:rgba(89,234,216,.45)}
.mission,.method,.chapters,.culture{padding-top:125px;padding-bottom:105px}
.mission-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:8vw;margin-top:35px;align-items:start}
h2{font-weight:620;letter-spacing:-.055em}
.mission h2,.method h2,.chapters h2,.culture h2{margin:0;font-size:clamp(2.75rem,5vw,5rem);line-height:1.15}
.mission-copy{border-left:1px solid var(--line);padding-left:33px;color:var(--muted)}
.mission-copy p{margin:0 0 19px}
.mission-copy .lead{color:var(--text);font-size:1.12rem;line-height:1.75}
.inline-link{display:inline-flex;gap:25px;margin-top:14px;padding-bottom:6px;color:var(--cyan);border-bottom:1px solid rgba(89,234,216,.45);font-size:.9rem;font-weight:650}
.market{padding-block:35px 95px}
.market-panel{position:relative;overflow:hidden;padding:clamp(28px,4.5vw,66px);border:1px solid rgba(89,234,216,.22);background:linear-gradient(128deg,rgba(12,51,69,.88),rgba(8,29,44,.95) 65%,rgba(18,49,65,.89));border-radius:24px}
.market-panel::after{content:"";position:absolute;right:-100px;top:-200px;width:460px;height:460px;border:1px solid rgba(89,234,216,.12);border-radius:50%;box-shadow:0 0 0 70px rgba(89,234,216,.025),0 0 0 150px rgba(89,234,216,.022);pointer-events:none}
.market-heading{position:relative;z-index:1;display:grid;grid-template-columns:1fr .7fr;gap:60px;align-items:end}
.market-heading h2{margin:15px 0 0;font-size:clamp(2.2rem,4.2vw,4.1rem);line-height:1.16}
.market-heading>p{margin:0;color:#bfd0d4}
.market-data{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:20px 45px;margin-top:55px;padding-top:29px;border-top:1px solid rgba(163,236,229,.2)}
.market-data>div:not(.market-source){display:flex;flex-direction:column}
.data-kicker{color:var(--cyan);font-size:.68rem;letter-spacing:.2em;font-weight:750}
.market-data strong{font-size:clamp(3.2rem,6vw,6rem);font-weight:550;letter-spacing:-.08em;line-height:1.2}
.market-data small{color:#b7cbd1;font-size:.78rem}
.market-source{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:15px;color:#95abb5;font-size:.74rem}
.market-source a{color:var(--cyan-soft);font-weight:750;letter-spacing:.07em}
.method{padding-top:70px}
.method-heading,.chapters-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin:35px 0 45px}
.method-heading p,.chapters-heading p{max-width:390px;margin:0;color:var(--muted)}
.model-stack{display:grid;grid-template-columns:minmax(190px,.72fr) minmax(0,1.6fr);gap:15px 28px;align-items:center;margin:0 0 18px;padding:28px 30px;border:1px solid rgba(89,234,216,.25);border-radius:15px;background:linear-gradient(105deg,rgba(14,54,66,.91),rgba(11,27,44,.95))}
.model-stack>div:first-child{display:grid;gap:5px}
.model-stack-kicker{color:var(--cyan);font-size:.67rem;font-weight:750;letter-spacing:.17em}
.model-stack strong{font-size:1.4rem;line-height:1.25}
.model-names{display:flex;flex-wrap:wrap;gap:9px}
.model-names span{padding:8px 12px;border:1px solid rgba(170,221,227,.22);border-radius:6px;color:#dcecef;background:rgba(4,19,31,.52);font-size:.75rem;font-weight:650;letter-spacing:.015em}
.model-stack small{grid-column:1/-1;color:#8faab5;font-size:.72rem}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.method-grid article{min-height:340px;display:flex;flex-direction:column;padding:28px;border:1px solid var(--line);background:linear-gradient(150deg,rgba(18,43,61,.82),rgba(9,27,42,.9));border-radius:15px}
.method-number{color:var(--cyan);font-size:.7rem;font-weight:750;letter-spacing:.17em}
.method-symbol{display:grid;place-items:center;align-self:flex-start;width:59px;height:59px;margin:auto 0 17px;border:1px solid rgba(89,234,216,.22);background:rgba(89,234,216,.05);border-radius:16px;color:var(--cyan);font-size:1.8rem;line-height:1}
.method-grid h3{margin:0 0 9px;font-size:1.4rem;font-weight:620}
.method-grid p{margin:0;color:var(--muted)}
.chapters{padding-top:90px}
.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chapter{display:flex;flex-direction:column;min-height:575px;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#12202e}
.chapter-bao{background:radial-gradient(circle at 50% 36%,rgba(217,99,70,.25),transparent 44%),#1c2029}
.chapter-horn{background:radial-gradient(circle at 50% 36%,rgba(115,103,221,.28),transparent 46%),#171d2e}
.chapter-top{display:flex;justify-content:space-between;gap:20px;padding:25px 28px;color:#c7d2d9;font-size:.72rem;font-weight:800;letter-spacing:.18em}
.chapter-image{flex:1;display:grid;place-items:center;padding:0 28px;min-height:330px}
.chapter-image img{width:min(100%,340px);height:325px;object-fit:contain;filter:drop-shadow(0 24px 32px rgba(0,0,0,.27));transition:transform .3s}
.chapter:hover .chapter-image img{transform:scale(1.04)}
.chapter-bottom{padding:25px 28px 31px;background:linear-gradient(transparent,rgba(4,17,29,.2))}
.chapter-bottom h3{margin:0 0 7px;font-size:1.95rem;line-height:1.25}
.chapter-bottom h3 small{display:block;color:#acbbc3;font-size:.72rem;letter-spacing:.17em}
.chapter-bottom p{max-width:420px;min-height:54px;margin:0;color:#c5cbd2}
.chapter-link{display:inline-flex;gap:12px;margin-top:23px;padding-bottom:3px;border-bottom:1px solid rgba(89,234,216,.55);color:var(--cyan-soft);font-size:.82rem;font-weight:750}
.spark-cycle{padding-top:85px;padding-bottom:115px}
.spark-cycle-head{max-width:850px;margin-top:40px}
.spark-cycle-head h2{margin:12px 0 15px;font-size:clamp(2.65rem,5.2vw,5.3rem);line-height:1.14}
.spark-cycle-head h2 em{font-style:normal;color:var(--cyan)}
.spark-cycle-head>p:last-child{max-width:700px;color:var(--muted)}
.spark-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:45px}
.spark-steps>div{display:flex;flex-direction:column;min-height:245px;padding:28px;border:1px solid rgba(89,234,216,.2);border-radius:17px;background:linear-gradient(142deg,rgba(15,56,68,.78),rgba(8,27,43,.96))}
.spark-steps>div:nth-child(2){background:linear-gradient(142deg,rgba(40,60,69,.72),rgba(8,27,43,.96))}
.spark-icon{color:var(--gold);font-size:2.4rem;line-height:1}
.spark-steps small{margin-top:auto;color:var(--cyan);font-size:.65rem;letter-spacing:.17em;font-weight:800}
.spark-steps strong{font-size:1.85rem;letter-spacing:-.04em}
.spark-steps p{margin:3px 0 0;color:var(--muted);font-size:.9rem}
.spark-cycle>.inline-link{margin-top:30px}
.culture{padding-top:125px;padding-bottom:130px}
.culture-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:8vw;margin-top:36px}
.culture-statement h2 em{font-style:normal;color:var(--cyan)}
.culture-statement>p:last-child{max-width:520px;color:var(--muted)}
.value-list{border-top:1px solid var(--line)}
.value-list>div{display:grid;grid-template-columns:45px 1fr;gap:23px;padding:28px 0;border-bottom:1px solid var(--line)}
.value-list>div>span{color:var(--cyan);font-size:.72rem;font-weight:800}
.value-list h3{margin:0 0 7px;font-size:1.25rem}
.value-list p{margin:0;color:var(--muted)}
.join-section{padding-bottom:110px}
.join-panel{display:flex;align-items:center;justify-content:space-between;gap:55px;padding:clamp(28px,5vw,70px);border:1px solid rgba(89,234,216,.3);border-radius:22px;background:radial-gradient(circle at 90% 50%,rgba(24,147,161,.19),transparent 37%),#0d2834}
.join-panel h2{margin:13px 0 12px;font-size:clamp(2.4rem,4.6vw,4.7rem);line-height:1.13}
.join-panel p:not(.eyebrow){max-width:650px;margin:0;color:#c3d0d5}
.join-actions{flex:0 0 auto;display:grid;gap:11px;min-width:202px}
.site-footer{display:grid;grid-template-columns:1fr auto;gap:20px 45px;padding-top:40px;padding-bottom:48px;border-top:1px solid var(--line)}
.footer-name{font-size:1rem;font-weight:850;letter-spacing:.2em}
.footer-name span{display:block;color:var(--muted);font-size:.8rem;letter-spacing:.3em}
.site-footer p{color:var(--muted);margin:7px 0 0}
.footer-links{display:flex;gap:20px;align-items:start;color:var(--cyan-soft);font-size:.72rem;font-weight:700;letter-spacing:.1em}
.site-footer>small{grid-column:1/-1;color:#8299a6;font-size:.72rem}
.join-page{min-height:calc(100vh - 210px);padding-top:90px;padding-bottom:100px}
.join-intro{max-width:890px}
.join-intro h1{margin:20px 0 20px;font-size:clamp(3.3rem,7vw,6.8rem);line-height:1.04;letter-spacing:-.065em;font-weight:620}
.join-intro h1 em{color:var(--cyan);font-style:normal}
.join-intro>p:last-child{max-width:700px;color:var(--muted);font-size:1.08rem}
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:54px}
.join-card{padding:32px;border:1px solid var(--line);border-radius:20px;background:rgba(14,32,48,.8)}
.join-card h2{font-size:1.8rem;margin:4px 0 16px}
.join-card p,.join-card li{color:var(--muted)}
.join-card ol{padding-left:20px}
.join-card li{margin:10px 0}
.join-card .notice{padding:13px 15px;border:1px solid rgba(229,184,107,.3);border-radius:9px;color:#e6d6b8;background:rgba(229,184,107,.07);font-size:.83rem}
.join-form{display:grid;gap:15px}
.join-form label{display:grid;gap:6px;color:var(--text);font-size:.88rem;font-weight:650}
.join-form input{width:100%;min-height:48px;padding:11px 13px;color:var(--text);border:1px solid rgba(174,220,231,.24);border-radius:8px;background:#071827}
.join-form input::placeholder{color:#728d9b}
.join-form .button{width:100%;margin-top:5px}
.form-status{min-height:25px;color:var(--muted);font-size:.84rem}
.form-status.error{color:#f1a49d}
.result-card{margin-top:20px;padding:18px;border:1px solid rgba(89,234,216,.3);border-radius:12px;background:rgba(89,234,216,.05)}
.result-card h3{margin:0 0 8px}
.result-card code{display:block;overflow-wrap:anywhere;margin:8px 0 14px;font-size:.85rem;color:var(--cyan-soft)}
.result-card .button{width:auto}
.result-card #member-entry-link{margin-top:8px}
.hidden{display:none!important}
.inner-page{padding-top:37px;padding-bottom:100px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#93aab6;font-size:.76rem;letter-spacing:.03em}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs>span:last-child{color:var(--cyan-soft)}
.inner-hero{padding:68px 0 56px;max-width:940px}
.inner-hero h1{margin:16px 0 24px;font-size:clamp(3.8rem,7.2vw,7rem);line-height:1.03;letter-spacing:-.07em;font-weight:650}
.inner-hero h1 em{font-style:normal;color:var(--cyan)}
.inner-hero>p:last-child{max-width:690px;color:var(--muted);font-size:1.05rem}
.update-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,.72fr);gap:35px;align-items:start}
.feed-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.feed-heading h2{margin:0;font-size:1.65rem;letter-spacing:-.035em}
.feed-heading>span{color:var(--cyan);font-size:.7rem;letter-spacing:.15em}
.update-card{padding:31px 0;border-bottom:1px solid var(--line)}
.update-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.72rem;letter-spacing:.04em}
.update-kind{color:var(--cyan);font-weight:800}
.update-card h3{margin:16px 0 10px;font-size:clamp(1.45rem,2vw,2rem);line-height:1.3}
.update-card p{max-width:720px;margin:0;color:var(--muted)}
.update-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;color:var(--cyan-soft);font-size:.82rem;font-weight:750}
.update-empty{display:flex;align-items:center;gap:15px;padding:27px 0;color:var(--muted);font-size:.85rem}
.update-empty>span{color:var(--gold);font-size:1.9rem}
.update-empty p{margin:0}
.notice-sidebar{position:sticky;top:130px;padding:28px;border:1px solid rgba(89,234,216,.2);border-radius:17px;background:#0d2432}
.notice-sidebar h2{font-size:1.7rem;line-height:1.2;margin:20px 0}
.notice-sidebar p{color:var(--muted);font-size:.9rem}
.project-hero{display:grid;grid-template-columns:1fr .83fr;gap:30px;align-items:center;min-height:610px;margin-top:26px;padding:clamp(30px,5vw,70px);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.project-bao{background:radial-gradient(circle at 78% 45%,rgba(218,119,72,.27),transparent 42%),#16212d}
.project-horn{background:radial-gradient(circle at 78% 45%,rgba(122,105,229,.28),transparent 42%),#161e32}
.project-copy h1{margin:14px 0 11px;font-size:clamp(3.5rem,6vw,6.6rem);line-height:1.02;letter-spacing:-.07em}
.project-copy>p:not(.eyebrow){max-width:590px;color:#c9d5d9}
.project-tagline{font-size:1.5rem!important;font-weight:700;color:var(--text)!important}
.project-art{display:grid;place-items:center;min-height:410px}
.project-art img{width:min(100%,440px);max-height:480px;object-fit:contain;filter:drop-shadow(0 30px 37px rgba(0,0,0,.28))}
.project-detail{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:90px 0}
.project-detail h2{font-size:clamp(2.4rem,4vw,4.2rem);line-height:1.16;margin:17px 0}
.project-lines>p{margin:0 0 25px;color:var(--muted)}
.project-lines>div{display:flex;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.project-lines strong{color:var(--cyan);font-size:.8rem}
.project-next{display:flex;justify-content:space-between;gap:20px;padding:29px;border:1px solid rgba(89,234,216,.25);border-radius:14px;background:#0d2633}
.project-next>span{color:var(--cyan);font-size:.75rem;letter-spacing:.17em}
.project-next a{font-size:1.12rem;font-weight:750}
.project-next a:hover{color:var(--cyan)}
@media(max-width:1180px){
  .header-nav{gap:15px}
  .header-nav a{font-size:.77rem}
  .hero h1{font-size:clamp(3.7rem,7.4vw,6.2rem)}
}
@media(max-width:980px){
  .site-header{flex-wrap:wrap;row-gap:6px}
  .header-nav{order:3;flex:1 0 100%;justify-content:flex-start;overflow-x:auto;padding:3px 0 7px}
  .header-actions{margin-left:auto}
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:68px}
  .hero-art{min-height:500px;max-width:660px;width:100%;margin-inline:auto}
  .hero-index{margin-top:45px}
  .mission-layout,.culture-layout{gap:45px}
  .market-heading{gap:30px}
  .announcement-home{grid-template-columns:auto 1fr}
  .announcement-home .inline-link{grid-column:2}
  .update-layout{grid-template-columns:1fr}
  .notice-sidebar{position:static}
}
@media(max-width:700px){
  .site-header{min-height:72px}
  .header-nav{gap:19px}
  .header-nav a{font-size:.79rem}
  .wordmark-type strong{font-size:1.08rem}
  .wordmark-type small{font-size:.57rem;letter-spacing:.13em}
  .mark-wrap{width:43px;height:43px}
  .header-actions{gap:7px}
  .header-join{display:none}
  .language-switch button{font-size:.7rem;padding:5px 7px}
  .hero{padding-top:50px;padding-bottom:55px}
  .hero h1{font-size:clamp(3.28rem,12vw,5.6rem);white-space:normal}
  .hero-title{font-size:1.3rem}
  .hero-description{font-size:1rem}
  .hero-index{display:block;font-size:.68rem;line-height:1.8}
  .hero-index span:first-child{display:block}
  .hero-art{min-height:355px}
  .halo-two{width:90%;transform:none}
  .hero-core{width:min(60%,270px)}
  .orbit-label{font-size:.53rem;padding:6px 8px}
  .orbit-label-a{top:29px}
  .orbit-label-b{bottom:59px}
  .hero-art-caption{font-size:.51rem}
  .signal-band{gap:10px;padding:15px}
  .signal-band span{font-size:.6rem}
  .signal-band i:nth-of-type(2){display:none}
  .announcement-home{grid-template-columns:1fr;gap:10px;padding-block:23px}
  .announcement-badge{justify-self:start}
  .announcement-home .inline-link{grid-column:auto;margin-top:3px}
  .mission,.method,.chapters,.culture{padding-top:80px;padding-bottom:75px}
  .mission-layout,.culture-layout,.market-heading,.join-grid{grid-template-columns:1fr}
  .mission-layout{gap:28px}
  .mission-copy{padding-left:19px}
  .market{padding-block:0 65px}
  .market-panel{padding:27px}
  .market-data{gap:20px;margin-top:35px}
  .market-data strong{font-size:clamp(2.45rem,10vw,4.3rem)}
  .market-data small{font-size:.71rem}
  .data-kicker{font-size:.58rem}
  .market-source{font-size:.7rem}
  .method-heading,.chapters-heading{display:block}
  .method-heading p,.chapters-heading p{margin-top:19px}
  .model-stack{grid-template-columns:1fr;padding:24px}
  .model-stack small{grid-column:auto}
  .method-grid,.chapter-grid{grid-template-columns:1fr}
  .method-grid article{min-height:280px}
  .chapter{min-height:530px}
  .chapter-image{min-height:285px}
  .chapter-image img{height:280px}
  .spark-cycle{padding-top:70px;padding-bottom:75px}
  .spark-cycle-head{margin-top:27px}
  .spark-steps{grid-template-columns:1fr;gap:11px;margin-top:30px}
  .spark-steps>div{min-height:180px;padding:23px}
  .inner-page{padding-top:23px;padding-bottom:70px}
  .inner-hero{padding:42px 0 30px}
  .inner-hero h1{font-size:clamp(3rem,11vw,5rem)}
  .project-hero{grid-template-columns:1fr;gap:0;padding:28px;min-height:auto}
  .project-copy h1{font-size:3.5rem}
  .project-art{min-height:300px}
  .project-art img{max-height:325px}
  .project-detail{grid-template-columns:1fr;gap:12px;padding:62px 0}
  .project-next{display:grid;padding:23px}
  .culture-layout{gap:30px}
  .join-section{padding-bottom:75px}
  .join-panel{display:block;padding:27px}
  .join-actions{margin-top:28px}
  .site-footer{grid-template-columns:1fr}
  .footer-links{flex-wrap:wrap}
  .join-page{padding-top:58px}
  .join-intro h1{font-size:clamp(3rem,11vw,5rem)}
  .join-grid{gap:15px;margin-top:35px}
  .join-card{padding:23px}
}
@media(max-width:390px){
  .section-frame{padding-inline:17px}
  .hero h1{font-size:3.05rem}
  .wordmark-type strong{font-size:1rem;letter-spacing:.06em}
  .wordmark-type small{letter-spacing:.09em}
  .site-header{gap:9px;padding-inline:15px}
  .mark-wrap{width:40px;height:40px}
  .hero-art{min-height:310px}
  .market-panel{padding:20px}
  .inner-hero h1{font-size:2.9rem}
  .project-hero{padding:22px}
  .project-copy h1{font-size:2.9rem}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.chapter-image img{transition:none}}