/* Explicit dark exhibition. Layer order: scene 0, hotspots 2, header 20, native dialogs.
   Radius: panels 12px, controls 6px, primary actions pill. */
:root{color-scheme:dark;--bg:#141517;--panel:#202225;--ink:#f2f3f4;--muted:#a5a8ad;--line:#37393e;--lime:#b5f268;--ease:cubic-bezier(.22,1,.36,1);font-family:"Segoe UI Variable","Microsoft YaHei UI","PingFang SC",sans-serif}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:clip}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer;color:inherit;border:0;background:none}button,a,input,summary{touch-action:manipulation}img,video{display:block;max-width:100%}[hidden]{display:none!important}button:disabled{opacity:.4;cursor:not-allowed}:focus-visible{outline:2px solid var(--lime);outline-offset:5px}button:active,.button:active{transform:scale(.97)}h1,h2,h3{line-height:1.2;letter-spacing:-.04em;font-weight:600}h2{font-size:clamp(36px,4.5vw,66px)}h2>span{color:#93979d}h3{font-size:30px}p{color:var(--muted)}.section{padding:110px max(5vw,24px);max-width:1680px;margin:auto;scroll-margin-top:20px}.caption,small{font-size:12px;color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--lime);font-weight:600}.skip{position:fixed;top:-100px;left:20px;padding:15px;background:var(--lime);color:#151515;z-index:30}.skip:focus{top:10px}.header{height:78px;display:flex;align-items:center;gap:28px;padding:0 4vw;position:sticky;top:0;background:#141517ed;border-bottom:1px solid #ffffff10;backdrop-filter:blur(18px);z-index:20}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand>span{font-weight:700;font-size:18px;line-height:1.1}.brand small{display:block;font-size:9px;letter-spacing:.14em;margin-top:5px}.header nav{display:flex;gap:30px;margin:auto;font-size:13px;color:#b0b3b7}.header nav a[aria-current=true],.header nav a:hover{color:var(--ink)}.nav-contact{font-size:13px;border-bottom:1px solid #7f8388;padding:8px 0;white-space:nowrap}.menu-toggle{display:none}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px}.button{min-height:50px;display:inline-flex;justify-content:center;align-items:center;gap:22px;padding:14px 25px;border-radius:100px;font-size:14px;font-weight:600;white-space:nowrap;transition:transform .2s,background-color .2s}.primary{background:var(--lime);color:#172014}.outline{border:1px solid #777b80;background:transparent;color:var(--ink)}.text-button{font-size:13px;padding:12px 0;text-align:left;min-height:44px;white-space:nowrap}.text-button:hover{color:var(--lime)}.control{padding:11px 18px;border:1px solid #686d74;border-radius:6px;background:#232529;font-size:13px;min-height:44px}.control:hover{background:#34373d}.chapter-heading>p{margin-top:24px;font-size:16px;line-height:1.9;max-width:620px}.chapter-heading>.eyebrow{margin:0 0 24px;font-size:12px}.segmented{display:flex;gap:5px;background:#24262a;padding:5px;border-radius:100px;width:max-content;max-width:100%;margin:34px 0}.segmented button{padding:12px 26px;border-radius:100px;min-height:44px;font-size:14px;color:#b5b8bd}.segmented button[aria-selected=true]{background:#e8eaed;color:#1b1d20}.technical{margin-top:32px;border-top:1px solid var(--line);padding-top:20px;font-size:13px;color:var(--muted)}summary{cursor:pointer;min-height:44px}.technical p{max-width:1000px;line-height:1.9;padding:10px 0 30px}.technical img{max-height:440px;border-radius:12px}.body-locked{overflow:hidden}dialog{margin:auto;background:#1d1f22;color:var(--ink);border:1px solid #53565d;border-radius:12px;width:min(1100px,94vw);max-height:92dvh;padding:24px;box-shadow:0 30px 90px #08090b90}dialog::backdrop{background:#08090bd9;backdrop-filter:blur(10px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}.dialog-head h2{font-size:20px}.close{font-size:28px;width:44px;height:44px;border:1px solid #61656b;border-radius:50%}dialog video{width:100%;background:#111}.chapters{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.chapters button{padding:10px 15px;border:1px solid #4f535a;border-radius:6px;font-size:12px}.chapters button[aria-current=true]{color:var(--lime);border-color:var(--lime)}#image-dialog{width:max-content;max-width:94vw}#detail-image{max-height:75dvh;width:auto;margin:auto}#inquiry-dialog{width:600px}label{display:block;font-size:13px;color:#b7bac0}input,select,textarea{display:block;width:100%;padding:12px;background:#141517;border:1px solid #656972;color:var(--ink);border-radius:6px;margin-top:8px}input::placeholder,textarea::placeholder{color:#9fa4ac}#inquiry-form{display:grid;gap:16px}#inquiry-result{padding-top:28px}#copy-inquiry{margin:16px 0}#copy-status{font-size:13px}
@media(max-width:1000px){.header{gap:18px}.header nav{gap:16px}.header .brand small{display:none}.section{padding:80px 5vw}}
@media(max-width:760px){html{scroll-padding-top:90px}.section{padding:64px 22px}.header{height:66px;padding:0 22px}.header nav{display:none;position:absolute;top:66px;left:0;right:0;background:#1d1f22;padding:24px;flex-direction:column;font-size:16px;gap:22px;border-bottom:1px solid var(--line)}.header nav.open{display:flex}.menu-toggle{display:block;min-height:44px;font-size:13px}.nav-contact{margin-left:auto;font-size:12px}.brand>span{font-size:16px}.brand img{width:29px}.chapter-heading>p{font-size:15px}.segmented{margin:26px 0}.segmented button{padding:11px 20px;font-size:13px}h2{font-size:38px}h3{font-size:27px}.actions{gap:18px}.button{font-size:13px;padding:12px 22px}.dialog-head h2{font-size:17px}dialog{padding:16px}.chapters{gap:6px}.chapters button{padding:9px}.technical p{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}