/* Website rhythm: constrained artwork, readable type, deliberate tablet layouts. */
:root{--site-width:1200px;--site-gutter:clamp(20px,4.5vw,64px);--section-gap:clamp(56px,7vw,96px)}
html{scroll-padding-top:112px}
body>.site-header{height:auto;min-height:80px;padding:14px var(--site-gutter);gap:24px}
.site-header .brand{font-size:30px}.site-header .brand img{width:44px;height:44px}
.site-header>nav{gap:clamp(16px,2vw,30px);font-size:15px;white-space:nowrap}
.account-nav{gap:16px}.account-nav .button{white-space:nowrap}
.hero{min-height:0;padding:72px max(var(--site-gutter),calc((100vw - var(--site-width))/2)) 80px;gap:48px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hero-copy h1{font-size:clamp(40px,4.2vw,62px);line-height:1.3;letter-spacing:0}
.hero-copy .lead{font-size:20px;line-height:1.7}.hero-board canvas{height:260px}
.board-gallery,.concept-gallery,.time-visual,.tower-real{width:calc(100% - var(--site-gutter)*2);max-width:var(--site-width);margin:var(--section-gap) auto}
.gallery-heading,.concept-gallery>header,.time-visual-heading{padding:0 0 28px}
.gallery-heading{display:block;position:static;background:none;border:0;height:auto}
.gallery-heading h2,.concept-gallery h2,.time-visual h2,.tower-message h2,.film-heading h2{font-size:clamp(30px,3vw,44px);line-height:1.4;font-weight:400;letter-spacing:0;margin:0;text-wrap:balance}
.gallery-heading .eyebrow,.concept-gallery .eyebrow,.time-visual .eyebrow{font-size:13px;letter-spacing:.12em;margin:0 0 12px}
.board-gallery-stage{height:clamp(330px,42vw,520px);aspect-ratio:auto;border-radius:20px}
.board-gallery-top{display:none}
.board-gallery-bottom{left:24px;right:24px;bottom:20px}
.board-try{font-size:16px;padding:12px 20px;gap:24px}
.board-gallery-controls{padding:18px 0;gap:16px;flex-wrap:wrap}
.board-gallery-tabs{flex-wrap:wrap;gap:6px}.board-gallery-tabs button{font-size:15px;padding:10px 16px;white-space:nowrap;min-height:44px}
.board-gallery-navigation{margin-left:auto}.board-gallery-navigation button{min-height:44px}
.mia-chapter{width:calc(100% - var(--site-gutter)*2);max-width:var(--site-width);margin:var(--section-gap) auto;min-height:0;height:540px;padding:48px;gap:32px;border-radius:20px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.mia-panel{width:auto;max-width:none;min-width:0}.mia-panel h2{font-size:clamp(32px,3.4vw,48px);line-height:1.45;white-space:normal;text-wrap:balance}.mia-panel .mia-intro{font-size:18px;line-height:1.7}
.mia-actions .button{font-size:16px;padding:12px 18px;gap:18px;white-space:nowrap}
.mia-avatar{width:100%;margin:0 0 -48px;max-width:360px;justify-self:end;align-self:end}.mia-avatar img{max-height:430px}.mia-floating-caption{max-width:100%;padding:12px 18px}.mia-floating-caption span{font-size:clamp(20px,2.1vw,28px);white-space:normal}
.concept-gallery-grid{gap:24px}.concept-board-card{min-width:0;border-radius:18px}.concept-board-card>span{font-size:22px;line-height:1.4;padding:20px 24px;gap:12px}
.time-visual-heading{align-items:flex-end;flex-wrap:wrap;gap:20px}.time-visual-heading>div{flex:1 1 540px;min-width:0}.time-visual h2{max-width:none}.time-visual a,.tower-entry{white-space:nowrap;font-size:16px}
.time-visual>img{width:100%;max-height:600px;object-fit:contain;border-radius:20px;background:#eee9df}
.tower-real{border-radius:20px}.tower-real-heading{padding:36px 40px;display:flex;align-items:flex-start;gap:32px;flex-wrap:wrap}.tower-message{flex:1 1 680px;min-width:0;max-width:900px}.tower-summary{font-size:17px;line-height:1.9;max-width:46em}.tower-entry{margin:0}.tower-real>img{max-height:620px;object-fit:contain;background:#0c1221}
.film-section{max-width:var(--site-width);width:calc(100% - var(--site-gutter)*2);margin:var(--section-gap) auto;padding:0}.film-heading p{font-size:17px;line-height:1.7}.films{gap:28px}.films>*{min-width:0}
.closing{padding:72px var(--site-gutter)}.closing h2{font-size:clamp(34px,4vw,54px);line-height:1.45;text-wrap:balance}
.site-footer{padding:52px max(var(--site-gutter),calc((100vw - var(--site-width))/2)) 28px}.footer-signature{gap:32px}.footer-motto{font-size:clamp(32px,3.4vw,48px);line-height:1.45}
/* Tablets: real two-row navigation, never narrow columns of Chinese text. */
@media(max-width:1100px){
 body>.site-header{display:grid;grid-template-columns:1fr auto;row-gap:12px;padding:12px var(--site-gutter)}
 .site-header>nav{grid-column:1/-1;grid-row:2;justify-content:center;flex-wrap:wrap;gap:12px 28px}
 .site-header>nav a:first-child,.site-header>nav a:last-child{display:inline}
 .account-nav{grid-column:2;grid-row:1}.hero{padding-top:52px;padding-bottom:56px;gap:30px}.hero-copy h1{font-size:clamp(36px,4.4vw,48px)}.hero-board canvas{height:230px}
 .mia-chapter{height:500px;padding:32px;gap:24px}.mia-avatar{margin-bottom:-32px}.mia-panel h2{font-size:36px}.mia-actions{gap:10px}.mia-actions .button{font-size:15px}
 .tower-real-heading{padding:32px}.tower-message{flex-basis:520px}
}
@media(max-width:760px){
 :root{--site-gutter:22px;--section-gap:56px}html{scroll-padding-top:128px}
 body>.site-header{padding:10px 18px;gap:10px}.site-header .brand{font-size:25px;gap:8px}.site-header .brand img{width:36px;height:36px}.account-nav{gap:12px;font-size:14px}.account-nav .button{font-size:13px;padding:9px 13px;min-height:40px}
 .site-header>nav{gap:10px 18px;font-size:13px}.site-header>nav a:first-child{display:none}
 .hero{grid-template-columns:1fr;padding:42px var(--site-gutter) 48px;gap:30px}.hero-copy h1{font-size:clamp(36px,8vw,50px);margin-bottom:20px}.hero-copy .lead{font-size:18px}.hero-board canvas{height:230px}
 .gallery-heading h2,.concept-gallery h2,.time-visual h2,.tower-message h2,.film-heading h2{font-size:30px;line-height:1.45}.gallery-heading,.concept-gallery>header,.time-visual-heading{padding-bottom:22px}
 .board-gallery-stage{height:auto;aspect-ratio:4/3;border-radius:16px}.board-gallery-bottom{left:16px;right:16px;bottom:14px}.board-try{font-size:14px;padding:10px 16px;gap:16px}.board-slide:first-child img{object-position:center}
 .board-gallery-controls{flex-direction:row;gap:10px;padding:14px 0}.board-gallery-tabs{justify-content:flex-start;gap:4px;width:100%}.board-gallery-tabs button{font-size:14px;padding:9px 12px}.board-gallery-navigation{align-self:auto}
 .mia-chapter{display:flex;flex-direction:column;align-items:stretch;height:auto;min-height:580px;padding:28px 24px 0;gap:16px;border-radius:16px}.mia-panel h2{font-size:34px;margin-bottom:16px}.mia-panel .mia-intro{font-size:17px}.mia-avatar{width:220px;max-width:75%;margin:0 0 0 auto}.mia-avatar img{max-height:300px}
 .concept-gallery-grid{grid-template-columns:1fr;gap:20px}.concept-board-card>span{font-size:20px;padding:18px 20px}
 .time-visual-heading{align-items:flex-start;gap:16px}.time-visual-heading>div{flex-basis:auto}.time-visual h2{font-size:30px;max-width:none}.time-visual a,.tower-entry{font-size:15px}
 .time-visual>img{border-radius:16px}.tower-real-heading{padding:28px 24px;gap:20px}.tower-summary{font-size:16px;line-height:1.85}.tower-message{flex-basis:auto}.tower-real .tower-sigma{font-size:14px}.tower-real>img{max-height:none}.tower-real{border-radius:16px}
 .films{grid-template-columns:1fr;gap:28px}.closing{padding:48px var(--site-gutter)}.closing h2{font-size:32px}.story-links{gap:14px 24px;font-size:14px}.footer-motto{font-size:34px}.footer-signature{align-items:flex-start;flex-direction:column}
}
@media(min-width:761px) and (max-width:900px){.hero{grid-template-columns:1fr 1fr;gap:24px}.hero-copy h1{font-size:36px}.mia-panel h2{font-size:32px}.mia-floating-caption span{font-size:22px}.concept-board-card>span{font-size:19px;padding:18px}.time-visual-heading>div{flex-basis:100%}}
@media(max-width:360px){:root{--site-gutter:16px}.account-nav{gap:8px}.site-header .brand{font-size:23px}.site-header .brand img{width:32px;height:32px}.site-header>nav{gap:10px 16px}.hero-copy h1{font-size:34px}.board-gallery-tabs button{font-size:13px;padding:9px 10px}}
main>section[id]{scroll-margin-top:20px}
@media(max-width:760px){.tower-message h2{font-size:28px}.tower-message h2 br{display:none}}