:root{--paper:#f6f6ef;--white:#fffefa;--ink:#1d3830;--muted:#7b8578;--green:#2e5745;--lime:#d8ef76;--line:#e3e7dc;--soft:#edf0e5;--error:#a13529;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #8ba64d;outline-offset:3px}button{border:0}button[disabled]{cursor:not-allowed;opacity:.5}[hidden]{display:none!important}.app-shell{max-width:1432px;margin:auto;padding:0 44px}.site-header{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:17px;font-weight:700;letter-spacing:.3px}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:var(--lime);border-radius:11px;font-size:29px;line-height:1}.prototype-badge{font-size:12px;color:#62745e;display:flex;align-items:center;gap:7px;background:#e8eddf;padding:8px 12px;border-radius:20px}.prototype-badge>span{width:5px;height:5px;background:#738e56;border-radius:50%}.venue-heading{display:flex;justify-content:space-between;align-items:flex-end;margin:32px 0 27px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:750;color:var(--muted);margin:0 0 10px}h1{font-size:32px;font-weight:700;letter-spacing:-1.3px;margin:0 0 11px;line-height:1.35}.venue-subtitle{font-size:14px;color:#405547;margin:0;display:flex;gap:14px;align-items:center}.venue-subtitle>span{font-size:11px;color:var(--muted);padding-left:14px;border-left:1px solid #cfd7c8}.text-button{background:transparent;color:#536a55;font-size:12px;padding:8px 0}.text-button>span{margin-left:10px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:26px;align-items:start}.experience{min-width:0}.view-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);gap:5px;margin-bottom:14px}.view-tab{background:transparent;color:#85907c;border-radius:12px 12px 0 0;min-height:49px;font-size:13px;position:relative;transition:color .15s,background .15s}.view-tab:hover{background:#eef0e7}.view-tab.active{font-weight:700;color:var(--ink)}.view-tab.active:after{content:"";position:absolute;bottom:-1px;left:15%;right:15%;height:3px;background:var(--ink);border-radius:3px}.tab-icon{font-size:19px;vertical-align:-1px;margin-right:8px}.viewport{height:min(63vh,580px);min-height:425px;position:relative;border-radius:20px;background:linear-gradient(165deg,#eeefe6,#fafaf2);overflow:hidden;isolation:isolate;border:1px solid #e4e8dc;touch-action:none}.viewport canvas{display:block;width:100%;height:100%;touch-action:none}#scene-host{position:absolute;inset:0}#map-canvas{position:absolute;inset:0}.scene-topline{position:absolute;top:20px;left:22px;right:20px;display:flex;align-items:center;justify-content:space-between;pointer-events:none;font-size:12px;color:#75816b;gap:10px}.estimate-chip{font-size:10px;border:1px solid #d8ddcf;background:#f6f7efc9;border-radius:5px;padding:4px 7px;white-space:nowrap}.viewport-tools{position:absolute;right:16px;top:70px;display:flex;flex-direction:column;background:#fffef8de;border-radius:12px;padding:4px;box-shadow:0 3px 16px #1f38240a;z-index:3}.viewport-tools button{width:35px;height:37px;color:#4c624f;background:transparent;border-radius:8px;font-size:20px;line-height:1}.viewport-tools button:hover{background:#e9eede}.viewport-tools>span{height:1px;background:var(--line);margin:2px 6px}.scene-bottomline{position:absolute;bottom:18px;left:22px;right:22px;display:flex;justify-content:space-between;font-size:11px;color:#7f8a75;pointer-events:none}.map-key{position:absolute;bottom:48px;left:22px;display:flex;gap:15px;font-size:10px;color:#6e7b64;pointer-events:none}.map-key span{display:flex;align-items:center;gap:5px}.map-key i{width:7px;height:7px;border-radius:2px;background:#7b997e}.map-key .key-selected{background:var(--lime);outline:1px solid #688336}.map-key .key-stage{background:#2d453c}.view-options{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 2px 0}.posture-options{display:flex;background:#e8eddf;padding:3px;border-radius:9px;gap:2px}.posture-options button{background:transparent;border-radius:7px;padding:7px 12px;color:#6e7b64;font-size:11px}.posture-options button.active{background:#fffef8;color:var(--ink);box-shadow:0 2px 5px #283d2210}.zoom-options{display:flex;gap:5px}.zoom-options button{background:#e8eddf;color:#6e7b64;font-size:11px;width:37px;height:31px;border-radius:16px}.zoom-options button.active{background:var(--ink);color:var(--lime)}.model-notice{font-size:10px;line-height:1.8;color:#87917d;margin:12px 2px 0}.model-notice strong{font-weight:400;color:#687a5b}.seat-panel{background:var(--white);border-radius:20px;padding:27px 25px 22px;margin-top:0;border:1px solid #e7eadf}.panel-heading h2{font-size:19px;letter-spacing:-.6px;margin:0 0 9px}.panel-heading>p:last-child{font-size:11px;color:#8b9483;margin:0;line-height:1.8}.form-section{margin-top:25px}.field-heading{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:600;margin-bottom:12px}.step-number{display:grid;place-items:center;font-size:10px;color:#879578;border:1px solid #dfe5d6;border-radius:50%;width:21px;height:21px;font-weight:500}.level-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;padding:4px;background:#eff1e8;border-radius:10px;margin-bottom:12px}.level-tabs button{font-size:11px;color:#818c75;background:transparent;padding:8px 0;border-radius:7px}.level-tabs button.active{background:#fffefa;color:#344e3e;box-shadow:0 2px 4px #21351b08;font-weight:600}.select-wrap{position:relative}.select-wrap select{width:100%;border:1px solid #dce4d3;border-radius:9px;background:transparent;appearance:none;color:#344f3d;padding:12px 36px 12px 13px;font-size:12px;cursor:pointer}.select-wrap>span{position:absolute;right:14px;top:8px;color:#7c8e6b;font-size:20px;pointer-events:none}.field-help{font-size:10px;color:#929a87;margin:9px 0 0;line-height:1.65}.seat-inputs{display:grid;grid-template-columns:1fr 1fr;gap:13px}.seat-inputs label>span{font-size:11px;color:#7b8971;display:block;margin-bottom:7px}.number-field{display:flex;align-items:center;border:1px solid #dce4d3;border-radius:10px;padding:0 13px;transition:border .15s}.number-field:focus-within{border-color:#63834e;background:#fcfff4}.number-field input{width:100%;min-width:0;border:0;background:transparent;color:var(--ink);font-size:20px;font-weight:600;padding:12px 0;outline:0!important}.number-field>span{font-size:11px;color:#7c8a70}.seat-inputs small{display:block;font-size:9px;color:#949e88;margin-top:7px}.primary-button{background:var(--ink);color:var(--lime);border-radius:11px;width:100%;padding:15px 17px;font-weight:600;font-size:13px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 10px #18352612;transition:background .15s,transform .15s}.primary-button:hover{background:#31533b}.primary-button:active{transform:translateY(1px)}.primary-button>span{font-size:20px;font-weight:400}.seat-panel form>.primary-button{margin-top:23px}.selected-seat{margin-top:24px;border-top:1px solid var(--line);padding-top:20px;position:relative}.tiny-label{font-size:9px;color:#9aa38d;display:block;margin-bottom:7px}.selected-seat strong{font-size:15px;font-weight:600;letter-spacing:-.2px}.selection-dot{position:absolute;right:1px;top:35px;width:8px;height:8px;background:var(--lime);border:2px solid #557342;border-radius:50%}.seat-facts{display:flex;align-items:center;justify-content:space-between;gap:5px;color:#7c8970;font-size:10px;margin-top:12px}.seat-facts b{font-weight:600;color:#4b6542}.calculation-note{font-size:9px;color:#a0a791;display:block;margin-top:7px}.share-button{font-size:11px;width:100%;color:#4f6846;background:transparent;border:1px solid #dfe6d4;border-radius:9px;padding:11px 5px;margin-top:20px}.share-button>span{margin-right:7px}.share-button:hover{background:#f1f5e8}.share-note{font-size:9px;color:#9ca58c;text-align:center;margin:8px 0 0}.bottom-note{display:flex;justify-content:space-between;gap:16px;padding:25px 1px 30px;font-size:10px;color:#a1a98f}.footer-label{font-size:11px;color:#7b8c6a;letter-spacing:1.1px}.form-error{color:var(--error);font-size:11px;line-height:1.65;background:#fff1e8;border-radius:8px;padding:10px;margin:12px 0 0}.number-field:has(input[aria-invalid="true"]){border-color:#b25a42}.toast{position:fixed;bottom:max(25px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:20;background:#203c32ee;color:#f1f5e6;font-size:12px;padding:13px 20px;border-radius:12px;box-shadow:0 7px 30px #203c3220;max-width:min(90vw,480px);line-height:1.7}.phone-frame{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:4px solid #233c32;border-radius:22px;box-shadow:0 0 0 500px #f5f6ecb8;pointer-events:none;overflow:hidden;z-index:2}.phone-grid{position:absolute;inset:0;background:linear-gradient(to right,transparent 33.15%,#ffffff60 33.15%,#ffffff60 33.4%,transparent 33.4%,transparent 66.6%,#ffffff60 66.6%,#ffffff60 66.85%,transparent 66.85%),linear-gradient(to bottom,transparent 33.15%,#ffffff60 33.15%,#ffffff60 33.4%,transparent 33.4%,transparent 66.6%,#ffffff60 66.6%,#ffffff60 66.85%,transparent 66.85%)}.frame-top{position:absolute;top:12px;left:13px;right:13px;display:flex;justify-content:space-between;color:white;font-size:10px}.frame-top>span,.frame-top>button{background:#203c32b5;border:0;border-radius:5px;padding:5px 8px;color:white;font-size:10px}.frame-top>button{pointer-events:auto;cursor:pointer}.frame-disclaimer{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);white-space:nowrap;color:white;background:#203c32b5;border-radius:5px;padding:5px 10px;font-size:9px}.viewport[data-mode="phone"] .viewport-tools{z-index:4}.viewport[data-mode="phone"] .scene-topline,.viewport[data-mode="phone"] .scene-bottomline{z-index:3}.render-error{position:absolute;inset:0;background:#f4f5ec;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;text-align:center;z-index:10}.render-error strong{font-size:17px}.render-error p{font-size:12px;color:#7c8972;line-height:1.9;max-width:360px}.render-error button{background:var(--ink);color:var(--lime);padding:12px 20px;border-radius:10px;font-size:12px}dialog{border:1px solid #e4ead9;border-radius:24px;padding:36px;max-width:480px;width:calc(100% - 36px);background:var(--white);color:var(--ink);box-shadow:0 25px 100px #17302620}dialog::backdrop{background:#19332980;backdrop-filter:blur(6px)}dialog h2{font-size:25px;letter-spacing:-.6px;margin:13px 0 20px;line-height:1.5}dialog p:not(.eyebrow),dialog li{font-size:12px;line-height:1.9;color:#728267}dialog ul{padding-left:17px;margin:14px 0 25px}dialog li+li{margin-top:9px}.dialog-close{position:absolute;right:19px;top:17px;background:transparent;color:#789068;font-size:27px;padding:0 5px}.dialog-close-action{justify-content:center}
@media(min-width:1450px){.viewport{height:590px;max-height:590px}.seat-panel{padding:31px 27px 25px}.workspace{grid-template-columns:minmax(0,1fr) 330px;gap:30px}}
@media(max-width:1050px){.app-shell{padding:0 25px}.workspace{grid-template-columns:minmax(0,1fr) 286px;gap:18px}.seat-panel{padding:24px 20px}.tab-icon{margin-right:5px}.view-tab{font-size:12px}.viewport{min-height:460px}}
@media(max-width:760px){.app-shell{padding:0 18px}.site-header{height:65px}.brand{font-size:14px;gap:8px}.brand-mark{width:28px;height:28px;border-radius:9px;font-size:25px}.prototype-badge{font-size:10px;padding:6px 9px;gap:5px}.venue-heading{margin:24px 0 18px;align-items:flex-start}.venue-heading>.info-trigger{font-size:0;padding:5px 0}.venue-heading>.info-trigger>span{font-size:19px;margin:0}.eyebrow{font-size:9px;letter-spacing:1.4px;margin-bottom:8px}h1{font-size:26px;letter-spacing:-1.2px;margin-bottom:9px}.venue-subtitle{font-size:12px;gap:10px}.venue-subtitle>span{font-size:9px;padding-left:10px}.workspace{display:flex;flex-direction:column;gap:19px}.experience{width:100%}.view-tabs{margin-bottom:10px;gap:1px}.view-tab{font-size:11px;min-height:43px;padding:0 2px}.tab-icon{font-size:16px;margin-right:5px}.viewport{height:420px;min-height:0;border-radius:17px}.scene-topline{top:16px;left:16px;right:15px;font-size:10px}.estimate-chip{font-size:9px;padding:3px 6px}.viewport-tools{right:11px;top:57px;padding:3px}.viewport-tools button{width:31px;height:34px;font-size:19px}.scene-bottomline{left:16px;right:16px;bottom:14px;font-size:9px}.map-key{bottom:38px;left:16px;font-size:9px;gap:12px}.model-notice{font-size:9px;line-height:1.75;margin-top:9px}.seat-panel{width:100%;margin:0;padding:22px 20px;border-radius:17px}.panel-heading h2{font-size:18px}.panel-heading{margin-bottom:20px}.panel-heading .eyebrow{display:none}.panel-heading>p:last-child{font-size:10px}.form-section{margin-top:20px}.field-heading{font-size:12px;margin-bottom:10px}.level-tabs{margin-bottom:10px}.level-tabs button{padding:9px 0;font-size:12px}.select-wrap select{font-size:13px;padding:12px 36px 12px 13px}.field-help{font-size:10px}.seat-inputs small{font-size:10px}.seat-inputs label>span{font-size:11px}.number-field input{font-size:22px;padding:10px 0}.primary-button{font-size:14px;padding:15px 16px}.selected-seat{padding-top:18px;margin-top:22px}.seat-facts{font-size:11px;justify-content:flex-start;gap:24px}.tiny-label{font-size:10px}.calculation-note{font-size:10px}.share-button{font-size:12px;padding:12px}.share-note{font-size:10px}.bottom-note{flex-direction:column;gap:8px;padding:22px 0 28px;font-size:9px}.view-options{padding-top:11px}.zoom-options{gap:4px}.zoom-options button{width:34px;height:31px}.posture-options button{padding:7px 10px}.frame-top{top:10px;left:10px;right:10px}}
@media(max-width:380px){.app-shell{padding:0 13px}h1{font-size:23px}.brand{font-size:13px}.prototype-badge{font-size:9px}.viewport{height:380px}.venue-subtitle{font-size:11px}.venue-subtitle>span{font-size:8px}.tab-icon{display:none}.view-options{gap:5px}.zoom-options button{width:31px}.seat-panel{padding:21px 18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}