@font-face{font-family:Club Display;src:url('../assets/fonts/club-display.woff2') format('woff2');font-style:normal;font-weight:900;font-display:swap}
:root{--page:var(--bg);--ink:var(--text);--muted:var(--text-2);--button:var(--accent);--button-ink:var(--accent-ink);--panel:var(--surface);--soft:var(--surface-2);--portrait:var(--surface-2);--arrow-filter:brightness(0) invert(1)}html[data-club-mode=day]{--arrow-filter:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--page);color:var(--ink);font-family:var(--font-sans);font-size:15px;line-height:1.7;overflow-x:clip}button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:6px}button:disabled{cursor:wait}img{max-width:100%;display:block}button{border:0;background:none}a,button{min-height:44px}h1,h2,h3,p{margin:0}button[hidden],[hidden]{display:none!important}.skip-link{position:fixed;top:8px;left:12px;z-index:100;background:var(--button);color:var(--button-ink);padding:10px 20px;transform:translateY(-180%)}.skip-link:focus{transform:none}
.club-hero{position:relative;max-width:1576px;min-height:756px;margin:auto;isolation:isolate;overflow:clip}.hero-copy{position:relative;z-index:3;padding:64px 0 0 64px;max-width:610px;pointer-events:none}.hero-copy button{pointer-events:auto}.eyebrow{font-size:11px;letter-spacing:4px;font-weight:600;line-height:1.7}.hero-copy h1{font-family:Club Display,'Noto Sans SC','Microsoft YaHei',sans-serif;font-size:clamp(72px,7.45vw,114px);font-weight:900;line-height:1.22;letter-spacing:-5px;margin:31px 0 26px;white-space:nowrap}.hero-description{font-size:22px;letter-spacing:.2px;line-height:1.8;font-weight:500}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:60px;padding:14px 29px;background:var(--button);color:var(--button-ink);border:1px solid transparent;border-radius:19px;font-size:20px;font-weight:700;transition:transform .25s,box-shadow .25s;white-space:nowrap}.hero-copy .primary-button{margin-top:30px;min-width:264px;font-size:22px}.primary-button:hover{transform:translateY(-3px);box-shadow:0 12px 30px #0002}.arrow-icon{width:25px;height:25px;object-fit:contain;filter:var(--arrow-filter)}.primary-button .arrow-icon{filter:brightness(0)}html[data-club-mode=day] .primary-button .arrow-icon{filter:brightness(0) invert(1)}.quiet-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-weight:600;font-size:15px}.quiet-link:hover{text-decoration:underline;text-underline-offset:7px}.quiet-link .arrow-icon{width:20px;height:20px}
.scene-stage{position:absolute;z-index:1;top:3px;left:18%;right:-9%;aspect-ratio:16/9}.scene-media{position:absolute;inset:0;overflow:hidden;mask-image:linear-gradient(to right,transparent 0%,#000 14%,#000 92%,transparent 100%),linear-gradient(to bottom,transparent 0%,#000 4%,#000 96%,transparent 100%);mask-composite:intersect}.scene-poster,.scene-video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.scene-video{opacity:0;transition:opacity .35s}.scene-stage[data-motion=playing] .scene-video{opacity:1}.scene-hotspots{position:absolute;inset:0;pointer-events:none}.scene-hotspot{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);z-index:2;display:flex;align-items:center;gap:6px;white-space:nowrap;pointer-events:auto;min-height:40px;background:#f3f9db;color:#103c2b;padding:6px 13px;border:1px solid #b4d9b6;border-radius:30px;font-size:13px;font-weight:700;box-shadow:0 3px 10px #071c1629;transition:transform .2s,box-shadow .2s}.scene-hotspot:hover{transform:translate(-50%,-59%);box-shadow:0 8px 20px #071c1640}.scene-hotspot .arrow-icon{width:17px;height:17px;filter:none}.scene-hotspot--room{background:#f6f5e7e8;font-size:12px;min-height:34px;padding:4px 11px;border-radius:6px}.scene-hotspot--host{font-size:13px}.scene-motion{position:absolute;right:15%;bottom:max(1%,calc(100% - 735px));z-index:3;padding:2px 12px;min-height:32px;border-radius:22px;background:var(--page);color:var(--muted);font-size:11px;border:1px solid var(--line);opacity:.8}.scene-motion:hover{opacity:1;color:var(--ink)}
.club-collections{position:relative;z-index:4;max-width:1448px;margin:0 auto;padding:4px 64px 30px}.collections-heading{display:flex;align-items:center;gap:30px}.collections-heading h2{font-size:20px;font-weight:800;letter-spacing:1px;white-space:nowrap}.collections-heading>span{height:1px;background:var(--line);flex:1}.collections-row{display:grid;grid-template-columns:1fr 1fr;gap:48px}.collection-portal{display:grid;grid-template-columns:60% 40%;align-items:center;min-height:250px;gap:8px;perspective:1000px}.collection-object{display:block;position:relative;aspect-ratio:1.285;transform-style:preserve-3d;transform:rotateY(var(--tilt-x,0deg)) rotateX(var(--tilt-y,0deg));transition:transform .4s;isolation:isolate}.collection-art{position:absolute;width:100%;height:100%;inset:0;object-fit:contain;filter:drop-shadow(0 16px 13px #0002);transform-origin:50% 75%;transition:transform .55s cubic-bezier(.2,.8,.2,1),filter .55s}.collection-peek{position:absolute;left:25%;top:25%;width:57%;max-height:60%;object-fit:contain;transform:rotate(-9deg);opacity:0;transition:transform .5s,opacity .3s;z-index:-1}.collection-copy{display:flex;flex-direction:column;align-items:flex-start;gap:8px;position:relative;z-index:4}.collection-copy>b{font-size:35px;font-weight:900;display:flex;gap:13px;align-items:center;line-height:1.4;white-space:nowrap}.collection-copy>b .arrow-icon{width:30px;height:30px}.collection-copy>span{font-size:13px;color:var(--muted);white-space:nowrap}.collection-portal:hover .collection-art,.collection-portal:focus-visible .collection-art{transform:translateY(-13px) rotate(-4deg) scale(1.035);filter:drop-shadow(0 23px 18px #0003)}.collection-portal--skills:hover .collection-art,.collection-portal--skills:focus-visible .collection-art{transform:translateY(-17px) rotate(3deg) scale(1.04)}.collection-portal:hover .collection-peek,.collection-portal:focus-visible .collection-peek{transform:translateY(-48px) rotate(-9deg);opacity:1}.collection-portal:hover .collection-copy>b,.collection-portal:focus-visible .collection-copy>b{color:var(--accent-text)}
.club-intro{max-width:1320px;margin:45px auto 0;padding:65px 0 90px;border-top:1px solid var(--line);text-align:center}.club-intro h2{font-size:39px;line-height:1.5;letter-spacing:1px;margin:22px 0}.club-intro>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:2}.club-intro .quiet-link{margin-top:20px}
.host-dialog{width:min(680px,calc(100vw - 36px));padding:42px 36px 36px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:24px;box-shadow:0 30px 100px #0005;overflow:visible}.host-dialog::backdrop{background:#03140fcc;backdrop-filter:blur(8px)}.host-dialog[open]{display:grid;grid-template-columns:150px 1fr;gap:30px}.dialog-close{position:absolute;right:12px;top:10px;min-width:38px;min-height:38px;display:grid;place-items:center}.dialog-close img{width:20px;filter:var(--arrow-filter)}.dialog-host img{width:150px}.dialog-host p{font-size:11px;text-align:center;color:var(--muted);margin-top:10px}.dialog-content .eyebrow{font-size:9px;letter-spacing:2px;margin-bottom:13px}.dialog-content h2{font-size:27px;font-weight:800;line-height:1.4}.dialog-message{margin:15px 0 22px;min-height:90px;color:var(--muted);font-size:15px;line-height:1.9}.dialog-choices{display:flex;align-items:flex-start;flex-direction:column;gap:6px}.dialog-choices .primary-button{font-size:15px;min-height:48px;border-radius:13px;padding:9px 18px;gap:9px}.dialog-choices .arrow-icon{width:20px;height:20px}.dialog-choices .quiet-link{font-size:13px}
.inner-page{max-width:1320px;min-height:70vh;margin:0 auto;padding:35px 64px 100px}.back-link{font-size:13px;color:var(--muted);margin-bottom:34px}.inner-page>.eyebrow{margin-bottom:18px}.page-title{font-size:clamp(36px,4.5vw,64px);line-height:1.4;font-weight:900;letter-spacing:-1px}.page-lead{font-size:17px;color:var(--muted);margin:20px 0 45px}.course-list{margin-top:40px}.lesson-entry{display:grid;grid-template-columns:53% 1fr;gap:50px;align-items:center;padding:0 0 35px;border-bottom:1px solid var(--line)}.lesson-cover{width:100%;border-radius:6px}.lesson-entry-copy h2{font-size:30px;line-height:1.5;font-weight:800;margin:15px 0}.lesson-entry-copy p{font-size:16px;color:var(--muted);line-height:1.9}.lesson-entry .quiet-link{margin-top:15px}.lesson-title{font-size:36px;font-weight:800;line-height:1.5;margin-bottom:30px}.skills-intro{display:grid;grid-template-columns:48% 1fr;align-items:center;gap:50px;margin-top:35px}.skills-intro>img{width:100%;filter:drop-shadow(0 20px 18px #0002)}.skills-intro h2{font-size:28px;margin-bottom:15px}.skills-intro p{color:var(--muted);line-height:2}.skills-intro .quiet-link{margin-top:20px}
@media(min-width:1600px){.club-hero{min-height:760px}.hero-copy{padding-top:100px}.club-collections{margin-top:-10px}}
@media(max-width:1200px){.club-hero{min-height:610px}.hero-copy{padding:68px 0 0 36px}.hero-copy h1{font-size:7.8vw;letter-spacing:-4px}.hero-description{font-size:17px}.scene-stage{left:23%;right:-10%;top:30px}.club-collections{padding:4px 36px 30px}.collections-row{gap:24px}.collection-copy>b{font-size:28px}.collection-copy>span{font-size:12px}.collection-portal{min-height:210px}.club-intro{margin-left:36px;margin-right:36px}}
@media(max-width:900px){.club-hero{min-height:900px}.hero-copy{padding:35px 24px 0;max-width:none}.hero-copy h1{font-size:clamp(60px,11.5vw,90px);letter-spacing:-3px;line-height:1.2;margin:18px 0}.hero-description{font-size:16px}.hero-copy .primary-button{margin-top:18px;min-height:54px;font-size:17px;min-width:205px;padding:10px 23px}.hero-copy .eyebrow{font-size:9px}.scene-stage{top:350px;left:-8%;right:-8%;}.scene-media{mask-image:linear-gradient(to bottom,transparent 0%,#000 4%,#000 96%,transparent 100%);mask-composite:add}.scene-motion{right:12%;bottom:-2%}.scene-hotspot--room{font-size:10px;min-height:29px;padding:3px 8px}.scene-hotspot--room .arrow-icon{width:12px;height:12px}.scene-hotspot--host{font-size:11px;min-height:34px;padding:5px 9px}.scene-hotspot--host .arrow-icon{width:14px;height:14px}.club-collections{padding:0 24px 25px}.collections-heading h2{font-size:17px}.collections-heading{gap:15px}.collections-row{gap:15px}.collection-portal{grid-template-columns:1fr;gap:0;padding:12px 0 0}.collection-object{width:100%}.collection-copy{gap:2px;padding-left:7px;margin-top:-12px}.collection-copy>b{font-size:27px}.collection-copy>b .arrow-icon{width:24px;height:24px}.collection-copy>span{font-size:11px;white-space:normal}.club-intro{margin:35px 24px 0;padding:50px 0 65px}.club-intro h2{font-size:29px}.club-intro p:not(.eyebrow){font-size:14px}.inner-page{padding:32px 24px 65px}.lesson-entry{grid-template-columns:1fr;gap:23px}.lesson-entry-copy h2{font-size:26px}.page-title{font-size:44px}.skills-intro{gap:20px;grid-template-columns:1fr}.skills-intro>img{width:90%;max-width:440px;margin:auto}.lesson-title{font-size:29px}}
@media(max-width:600px){.club-hero{min-height:650px}.scene-stage{top:335px;left:-18%;right:-18%}.scene-hotspot--host{font-size:10px}.scene-hotspot--room{font-size:10px;padding:1px 6px;min-height:28px}.hero-copy h1{font-size:clamp(58px,13.7vw,78px)}.hero-description{font-size:14px}.hero-copy{padding-top:30px}.hero-copy .primary-button{min-height:48px;min-width:192px;font-size:16px}.scene-motion{right:17%;bottom:-7px;font-size:9px;padding:1px 9px;min-height:27px}.collection-copy>b{font-size:23px;gap:7px}.collection-copy>b .arrow-icon{width:21px;height:21px}.collections-row{gap:4px}.collections-heading h2{font-size:15px}.collection-copy{padding-left:3px;margin-top:-4px}.collection-copy>span{font-size:10px}.collection-portal{min-height:190px}.host-dialog{padding:42px 23px 25px}.host-dialog[open]{grid-template-columns:1fr;gap:10px}.dialog-host{display:flex;align-items:center;gap:16px}.dialog-host img{width:79px}.dialog-host p{text-align:left;max-width:100px}.dialog-content h2{font-size:25px}.dialog-content .eyebrow{font-size:9px}.dialog-message{min-height:72px;margin-bottom:18px}.page-title{font-size:36px}.skills-intro h2{font-size:24px}.inner-page .eyebrow{font-size:10px;letter-spacing:2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.collection-portal:hover .collection-art,.collection-portal:focus-visible .collection-art{transform:none}.collection-portal:hover .collection-peek,.collection-portal:focus-visible .collection-peek{transform:rotate(-9deg)}}


@media(max-width:900px){}
@media(max-width:600px){.scene-motion{min-height:36px;min-width:90px;font-size:10px}}
.skill-documents{margin-top:40px}.skill-document{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:25px 0;border-bottom:1px solid var(--line)}.skill-document b{display:block;font-size:20px}.skill-document small{display:block;font-size:14px;color:var(--muted);margin-top:8px}
@media(max-width:900px){}

@media(max-width:350px){.hero-copy{padding-left:18px;padding-right:18px}.hero-copy h1{font-size:clamp(50px,15.9vw,58px);letter-spacing:-3px}.hero-description{font-size:12px}}

/* V4: shared editorial controls; bounded scene transitions; real layered folder previews. */
.primary-button{background:var(--accent);color:var(--accent-ink);border-radius:var(--radius-m);box-shadow:0 3px 0 var(--accent-shadow),0 9px 20px #78b43c20;transition:transform .16s ease-out,box-shadow .16s ease-out}.primary-button:hover{transform:translateY(-2px);box-shadow:0 4px 0 var(--accent-shadow),0 13px 24px #78b43c24}.primary-button:active{transform:translateY(2px);box-shadow:0 1px 0 var(--accent-shadow)}.primary-button .arrow-icon,html[data-club-mode=day] .primary-button .arrow-icon{filter:brightness(0)}
.eyebrow{color:var(--accent-text)}.hero-copy h1{color:var(--text)}.hero-description{color:var(--text-2)}
.scene-poster,.scene-video{opacity:0;transition:none}.scene-stage[data-scene-mode=day] .scene-poster[data-scene=day],.scene-stage[data-scene-mode=night] .scene-poster[data-scene=night]{opacity:1}.scene-stage[data-scene-mode=day] .scene-video[data-scene=day][data-playing=true],.scene-stage[data-scene-mode=night] .scene-video[data-scene=night][data-playing=true]{opacity:1;transition:opacity .12s ease-out}
.collections-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:34px;padding-top:30px}.collection-portal{display:block;min-height:0;padding:0;perspective:1000px}.collection-object{width:100%;aspect-ratio:1.285;margin-bottom:8px;transition:transform .2s ease-out}.collection-copy{padding:0 12px;gap:5px;margin:0}.collection-copy>b{font-size:27px}.collection-copy>span{font-size:12px;white-space:normal}.collection-copy>b .arrow-icon{width:24px;height:24px}.collection-preview-toggle{margin:10px 12px 0;padding:5px 13px;min-height:36px;font-size:12px;color:var(--text-2);border:1px solid var(--line-strong);border-radius:20px}.collection-preview-toggle:hover{color:var(--accent-text);background:var(--surface-2)}
.folder-back,.folder-front{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.folder-back{z-index:0;filter:drop-shadow(0 16px 14px #0002)}.folder-front{z-index:3;clip-path:polygon(0 57%,100% 57%,100% 100%,0 100%);transform-origin:50% 88%;transition:transform .32s cubic-bezier(.2,.7,.2,1)}.collection-sheet{position:absolute;z-index:1;left:25%;top:25%;width:49%;height:59%;padding:13px 12px;background:#fffaf1;color:#183226;border:1px solid #d5dfcb;border-radius:8px;box-shadow:0 4px 14px #00180f24;display:flex;flex-direction:column;gap:8px;transform:translate3d(calc((var(--i) - 1)*8px),calc(var(--i)*3px),0) rotate(calc((var(--i) - 1)*3deg));transform-origin:50% 100%;transition:transform .38s cubic-bezier(.2,.8,.2,1);transition-delay:calc(var(--i)*35ms);pointer-events:none}.collection-sheet small{font-size:8px;letter-spacing:.3px;color:#47784c}.collection-sheet strong{font-size:16px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.collection-sheet>span{font-size:10px;line-height:1.5;color:#627264}.collection-portal--news .collection-sheet{background:#f1f7fd}.collection-portal--news .folder-back,.collection-portal--news .folder-front{filter:hue-rotate(24deg)}
.collection-portal:focus-visible .collection-sheet,.collection-unit[data-open=true] .collection-sheet{transform:translate3d(calc((var(--i) - 1)*35px),calc(-38px - var(--i)*9px),0) rotate(calc((var(--i) - 1)*11deg))}.collection-portal:focus-visible .folder-front,.collection-unit[data-open=true] .folder-front{transform:rotateX(-12deg)}
@media(hover:hover) and (pointer:fine){.collection-portal:hover .collection-sheet{transform:translate3d(calc((var(--i) - 1)*35px),calc(-38px - var(--i)*9px),0) rotate(calc((var(--i) - 1)*11deg))}.collection-portal:hover .folder-front{transform:rotateX(-12deg)}}
@media(max-width:900px){.collections-row{gap:22px}.collection-copy>b{font-size:24px}.collection-copy>span{font-size:11px}.collection-sheet{padding:9px;gap:4px}.collection-sheet strong{font-size:13px}.collection-sheet small{font-size:7px}.collection-sheet>span{font-size:9px}.collection-copy{padding:0 4px}.collection-preview-toggle{margin-left:4px}}
@media(max-width:650px){.collections-row{grid-template-columns:1fr;gap:48px;max-width:370px;margin:auto;padding-top:28px}.collection-copy>b{font-size:27px}.collection-copy>span{font-size:13px}.collection-object{margin-bottom:0}.collection-sheet{padding:15px;gap:9px}.collection-sheet strong{font-size:17px}.collection-sheet small{font-size:9px}.collection-sheet>span{font-size:11px}.collections-heading h2{font-size:18px}.collection-preview-toggle{min-height:44px}.club-collections{padding-bottom:35px}}
@media(prefers-reduced-motion:reduce){.collection-sheet{transition:none}.scene-video{transition:none!important}}