:root{color-scheme:dark;--ar-bg:#07100c;--ar-ink:#e0e9df;--ar-muted:#9cac9f;--ar-green:#a4dcd2;--ar-gold:#c8aa57;--ar-line:#a4dcd22e}
*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;font-family:system-ui,"Microsoft YaHei",sans-serif;color:var(--ar-ink);background:var(--ar-bg)}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;color:inherit;background:#11291f;border:1px solid var(--ar-line);padding:10px 14px;border-radius:5px;min-height:43px;cursor:pointer}button:disabled{opacity:.42;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--ar-green);outline-offset:3px}a{color:var(--ar-green);text-decoration:none}button[aria-pressed="true"]{color:var(--ar-green);background:#17392c;border-color:#a4dcd27a}button.ar-primary{background:#295747;color:#edf6ee;border-color:#729d84}button.ar-primary:active:not(:disabled){background:#346c58}[hidden]{display:none!important}
#ar-stage{position:fixed;inset:0;overflow:hidden;background:var(--ar-bg)}#ar-stage>video{position:absolute!important;z-index:0!important;max-width:none!important;max-height:none!important}#ar-scene{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;background:transparent}#ar-scene canvas{background:transparent!important}.a-enter-vr,.a-enter-ar{display:none!important}
.ar-header{position:fixed;left:0;right:0;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(env(safe-area-inset-top) + 13px) 20px 13px;background:linear-gradient(#07100cf5,#07100cc9,transparent);border-bottom:1px solid #a4dcd21c}.ar-header>a{font-size:12px;white-space:nowrap}.ar-header>div{text-align:center}.ar-brand{display:block;font-family:"Songti SC","SimSun",serif;font-size:21px;letter-spacing:.10em;color:var(--ar-green)}.ar-subbrand{display:block;font-size:9px;letter-spacing:.18em;color:var(--ar-muted);margin-top:3px}.ar-header>button{min-height:38px;font-size:12px;padding:7px 10px;white-space:nowrap}
.ar-modes{position:fixed;top:calc(env(safe-area-inset-top) + 91px);left:50%;transform:translateX(-50%);display:flex;gap:5px;z-index:9;background:#07100cd9;padding:4px;border:1px solid var(--ar-line);border-radius:7px;backdrop-filter:blur(10px);white-space:nowrap}.ar-modes button{min-height:35px;border-color:transparent;background:transparent;padding:7px 16px;font-size:12px}.ar-status-wrap{position:fixed;left:16px;right:16px;top:calc(env(safe-area-inset-top) + 147px);z-index:8;text-align:center;pointer-events:none}.ar-status-wrap p{display:inline-block;max-width:min(600px,100%);margin:0;background:#07100cc9;border:1px solid #c8aa5740;padding:7px 12px;border-radius:5px;color:#cfdbc9;font-size:11px;line-height:1.6;backdrop-filter:blur(8px)}
.ar-welcome,.ar-error{position:fixed;z-index:7;left:50%;top:calc(env(safe-area-inset-top) + 196px);transform:translateX(-50%);width:min(450px,calc(100% - 32px));max-height:calc(100dvh - 216px - env(safe-area-inset-top));overflow:auto;padding:26px;background:#0b1a13f5;border:1px solid #a4dcd238;border-radius:10px;box-shadow:0 24px 80px #0008;backdrop-filter:blur(20px)}.ar-eyebrow{color:var(--ar-gold);font-size:10px;letter-spacing:.18em;margin:0 0 13px}.ar-welcome h1,.ar-error h2{font-family:"Songti SC","SimSun",serif;font-weight:400;font-size:25px;line-height:1.45;color:var(--ar-green);margin:0 0 20px}.ar-card-guide{display:flex;align-items:center;gap:22px;margin:12px 0 18px}.ar-card-guide img{width:92px;height:170px;object-fit:contain;filter:drop-shadow(0 7px 10px #0006)}.ar-card-guide>div{display:flex;flex-direction:column;gap:16px;color:#d8dfd0;font-size:12px}.ar-welcome-note,.ar-error>p:not(.ar-eyebrow){color:var(--ar-muted);font-size:12px;line-height:1.9;margin:0 0 20px}.ar-welcome>.ar-primary,.ar-error>.ar-primary{display:block;width:100%}.ar-text-link,.ar-error>a{display:block;text-align:center;font-size:12px;margin-top:14px}.ar-provenance{font-size:11px;color:#a0ad97;letter-spacing:.03em;text-align:center;line-height:1.7;margin:14px 0 0}
.ar-controls{position:fixed;z-index:10;left:50%;bottom:0;transform:translateX(-50%);width:min(610px,100%);padding:11px 18px calc(env(safe-area-inset-bottom) + 13px);background:linear-gradient(transparent,#07100ce6 23%,#07100cf5);backdrop-filter:blur(8px)}.ar-tracking-hint{margin:0 0 9px;color:#d6dfc8;font-size:11px;text-align:center;line-height:1.7}.ar-control-row{display:flex;align-items:center;gap:8px}.ar-control-row button{font-size:12px;min-width:94px}.ar-control-row output{margin-left:auto;color:var(--ar-gold);font-size:11px;font-variant-numeric:tabular-nums;text-align:right;line-height:1.6}#ar-timeline{width:100%;accent-color:var(--ar-green);margin:11px 0 0;min-height:22px}.ar-controls>.ar-provenance{margin-top:9px}.ar-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:420px){.ar-header{padding-left:12px;padding-right:12px;gap:8px}.ar-brand{font-size:18px}.ar-subbrand{font-size:8px}.ar-header>a{font-size:11px}.ar-header>button{font-size:11px}.ar-welcome,.ar-error{padding:21px;max-height:calc(100dvh - 216px - env(safe-area-inset-top))}.ar-welcome h1,.ar-error h2{font-size:23px}.ar-card-guide{gap:17px}.ar-controls{padding-left:12px;padding-right:12px}.ar-control-row{gap:6px}.ar-control-row button{min-width:83px;padding-left:10px;padding-right:10px}.ar-control-row output{font-size:10px}}
@media(max-height:680px){.ar-welcome,.ar-error{top:calc(env(safe-area-inset-top) + 196px);max-height:calc(100dvh - 216px - env(safe-area-inset-top));padding-top:18px;padding-bottom:18px}.ar-welcome h1{font-size:21px;margin-bottom:10px}.ar-card-guide{margin:8px 0 11px}.ar-card-guide img{height:105px;width:59px}.ar-card-guide>div{gap:10px}.ar-welcome-note{margin-bottom:12px}.ar-status-wrap{top:calc(env(safe-area-inset-top) + 143px)}}
.ar-mobile-intro{font-size:13px;line-height:1.9;color:#d8dfd0;margin:0 0 15px}.ar-camera-note{font-size:11px;line-height:1.8;color:var(--ar-muted);margin:12px 0 0}.ar-debug-note{font-size:11px;line-height:1.8;color:var(--ar-muted);margin-top:17px;border-top:1px solid var(--ar-line);padding-top:12px}.ar-debug-note summary{cursor:pointer;min-height:28px}.ar-debug-note p{margin:4px 0}.ar-phone-handoff{display:none}.desktop-handoff .ar-welcome{width:min(580px,calc(100% - 48px));top:calc(env(safe-area-inset-top) + 196px);max-height:calc(100dvh - 216px - env(safe-area-inset-top))}.desktop-handoff .ar-mobile-intro{display:none}.desktop-handoff .ar-phone-handoff{display:grid;grid-template-columns:192px 1fr;gap:24px;align-items:center;margin:0 0 20px}.ar-phone-handoff img{display:block;width:192px;height:192px;background:#fff;border-radius:4px}.ar-phone-handoff strong{font-size:17px;font-weight:500;color:var(--ar-green)}.ar-phone-handoff p{font-size:12px;line-height:1.9;color:var(--ar-muted);margin:10px 0}.ar-phone-handoff a{font-size:12px}.desktop-handoff .ar-card-guide{gap:15px;border-top:1px solid var(--ar-line);padding-top:15px;margin-bottom:12px}.desktop-handoff .ar-card-guide img{width:36px;height:72px}.desktop-handoff .ar-card-guide>div{gap:6px;font-size:11px}.desktop-handoff #ar-start{background:transparent;border-color:var(--ar-line);color:var(--ar-muted)}