@font-face{font-family:Saira;src:url(../fonts/saira-latin-600-700.woff2)format("woff2");font-weight:600 700;font-style:normal;font-display:swap}:root{--zh-ink:#17212a;--zh-ink-blue:#1d4e6b;--zh-steel:#4f7893;--zh-steel-dark:#365b73;--zh-panel:#eef4f8;--zh-rule:#c9d5de;--zh-bg:#f4f7f8;--zh-signal:#f9a800;--zh-machine:#e87600;color:var(--zh-ink);font-synthesis:none;background:#fff;font-family:Helvetica Neue,Helvetica,Arial,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}body{overflow:hidden}button{font:inherit}button:focus-visible,.scene-canvas:focus-visible{outline:3px solid var(--zh-signal);outline-offset:2px}button:disabled{cursor:default;opacity:.42}.viewer-shell{background:#fff;grid-template-rows:60px 40px minmax(0,1fr);height:100dvh;display:grid}.topbar{border-bottom:3px solid var(--zh-ink-blue);background:#fff;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:22px;padding:0 20px;display:grid}.brand-lockup{letter-spacing:.03em;align-items:baseline;gap:8px;font-family:Saira,sans-serif;font-size:19px;font-weight:700;line-height:1;display:inline-flex}.brand-lockup img{object-fit:contain;width:19px;height:15px}.plan-title{border-left:1px solid var(--zh-rule);color:var(--zh-steel-dark);align-items:baseline;gap:8px;padding-left:22px;font-size:13px;display:flex}.plan-title strong{color:var(--zh-ink);font-family:Saira,sans-serif;font-size:17px;font-weight:600}.privacy-chip{border-left:3px solid var(--zh-steel);background:var(--zh-panel);color:var(--zh-steel-dark);padding:6px 9px;font-size:12px}.topbar-actions,.message-header{justify-content:flex-end;align-items:center;gap:12px;display:flex}.language-switch{border:1px solid var(--zh-steel);background:#fff;border-radius:4px;grid-template-columns:1fr 1fr;min-width:92px;display:grid;overflow:hidden}.language-switch button{min-width:44px;min-height:36px;color:var(--zh-steel-dark);cursor:pointer;background:#fff;border:0;border-bottom:3px solid #0000;padding:4px 7px 2px;font-size:12px;font-weight:700}.language-switch button+button{border-left:1px solid var(--zh-rule)}.language-switch button[aria-pressed=true]{border-bottom-color:var(--zh-machine);background:var(--zh-panel);color:var(--zh-ink)}.plan-summary{border-bottom:1px solid var(--zh-rule);background:var(--zh-panel);color:var(--zh-steel-dark);justify-content:space-between;align-items:center;gap:24px;padding:0 20px;font-size:12px;display:flex}.summary-metrics{align-items:center;gap:0;display:flex}.summary-metrics span{border-left:1px solid var(--zh-rule);white-space:nowrap;padding:0 15px}.summary-metrics span:first-child{border-left:0;padding-left:0}.summary-metrics strong,.space-summary strong{color:var(--zh-ink);font-family:Saira,sans-serif;font-weight:700}.summary-metrics strong{color:var(--zh-ink-blue);margin-right:4px;font-size:15px}.space-summary{white-space:nowrap;gap:10px;display:flex}.scene-panel{background:#fff;min-width:0;min-height:0;position:relative}.scene-canvas{touch-action:none;width:100%;height:100%;display:block}.scene-tools{gap:7px;display:flex;position:absolute;top:14px;right:16px}.scene-tools button,.reveal-actions button{border:2px solid var(--zh-steel);min-height:44px;color:var(--zh-steel-dark);cursor:pointer;background:#fffffff5;border-radius:4px;font-weight:700}.scene-tools button{padding:7px 13px}.scene-tools button:hover:not(:disabled),.reveal-actions button:hover:not(:disabled){border-color:var(--zh-ink-blue);color:var(--zh-ink)}.reveal-dock{border:2px solid var(--zh-steel);background:#fffffff5;border-radius:4px;width:min(620px,100% - 36px);padding:12px;position:absolute;bottom:18px;left:18px}.reveal-heading{justify-content:space-between;align-items:stretch;gap:16px;display:flex}.reveal-title{flex-direction:column;justify-content:center;min-width:130px;display:flex}.reveal-title span,.selection-kicker{letter-spacing:.1em;text-transform:uppercase;color:var(--zh-steel-dark);font-family:Saira,sans-serif;font-size:10px;font-weight:700}.reveal-readout{color:var(--zh-ink);margin-top:2px;font-family:Saira,sans-serif;font-size:18px;font-weight:700}.mode-switch{border:2px solid var(--zh-steel);border-radius:4px;grid-template-columns:1fr 1fr;min-width:260px;display:grid;overflow:hidden}.mode-switch button{min-height:48px;color:var(--zh-steel-dark);cursor:pointer;background:#fff;border:0;border-bottom:4px solid #0000;flex-direction:column;justify-content:center;align-items:center;padding:4px 14px;display:flex}.mode-switch button+button{border-left:1px solid var(--zh-steel)}.mode-switch button[aria-pressed=true]{border-bottom-color:var(--zh-machine);background:var(--zh-panel);color:var(--zh-ink)}.mode-switch strong{font-family:Saira,sans-serif;font-size:14px}.mode-switch span{font-size:10px}.reveal-progress{min-height:27px;color:var(--zh-steel-dark);padding:7px 1px 5px;font-size:12px}.reveal-actions{grid-template-columns:1fr 1.35fr 1fr;gap:8px;display:grid}.reveal-actions button{padding:7px 12px}.reveal-actions .next-action{background:var(--zh-signal);color:var(--zh-ink);border-color:#d88f00}.selection-card{border:2px solid var(--zh-steel);background:#fffffff7;border-left-width:5px;border-radius:4px;width:min(330px,100% - 36px);padding:13px 42px 13px 14px;position:absolute;top:72px;left:18px}.selection-card[hidden]{display:none}.selection-close{width:36px;height:36px;color:var(--zh-steel-dark);cursor:pointer;background:0 0;border:0;font-size:24px;line-height:1;position:absolute;top:5px;right:5px}.selection-label{margin:4px 0;font-size:15px;display:block}.selection-meta{color:var(--zh-steel-dark);font-size:12px;line-height:1.4}.selection-dimensions{margin-top:7px;font-family:Saira,sans-serif;font-size:13px;font-weight:600}.selection-position{color:var(--zh-steel-dark);white-space:pre-wrap;margin-top:4px;font-size:11px;display:block}.scene-hint{border-left:3px solid var(--zh-steel);color:var(--zh-steel-dark);pointer-events:none;background:#ffffffe6;padding:7px 9px;font-size:12px;position:absolute;bottom:18px;right:18px}.message-page{background:linear-gradient(#4f789314 1px, transparent 1px), linear-gradient(90deg, #4f789314 1px, transparent 1px), var(--zh-bg);background-size:32px 32px;grid-template-rows:auto 1fr;min-height:100dvh;padding:24px;display:grid}.message-header{justify-content:space-between;align-self:start}.message-header>.brand-lockup{border:2px solid var(--zh-steel);background:#fff;border-radius:4px;align-self:start;padding:12px 14px}.message-panel{border:2px solid var(--zh-steel);background:#fff;border-left-width:6px;border-radius:4px;place-self:center;width:min(560px,100%);padding:34px}.error .message-panel{border-style:dashed;border-color:var(--zh-machine);background:#fdf3e3}.message-kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--zh-steel-dark);font-family:Saira,sans-serif;font-size:11px;font-weight:700}.message-panel h1{margin:12px 0 10px;font-family:Saira,sans-serif;font-size:clamp(28px,6vw,44px);font-weight:600;line-height:1.08}.message-panel p{color:var(--zh-steel-dark);margin:0;font-size:16px;line-height:1.55}.message-rule{background:var(--zh-machine);width:72px;height:4px;margin:25px 0 14px}.message-panel small{color:var(--zh-steel-dark)}@media (width<=760px){.viewer-shell{grid-template-rows:56px 42px minmax(0,1fr)}.topbar{grid-template-columns:auto minmax(0,1fr) auto;gap:9px;padding:0 12px}.plan-title{justify-self:center;padding-left:9px}.plan-title span,.privacy-chip{display:none}.topbar-actions{gap:0}.language-switch{min-width:84px}.language-switch button{min-width:40px;min-height:40px;padding-left:5px;padding-right:5px}.plan-summary{padding:0 11px}.summary-metrics{justify-content:space-between;width:100%}.summary-metrics span{padding:0 8px;font-size:11px}.summary-metrics strong{font-size:13px}.space-summary{display:none}.scene-tools{top:10px;right:10px}.scene-tools button{background:#fff;min-height:44px;padding:6px 10px;font-size:13px}.reveal-dock{width:100%;padding:10px max(10px, env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));background:#fffffffa;border-bottom:0;border-left:0;border-right:0;border-radius:0;bottom:0;left:0;right:0}.reveal-heading{gap:10px}.reveal-title{min-width:100px}.reveal-title span{font-size:9px}.reveal-readout{font-size:16px}.mode-switch{min-width:196px}.mode-switch button{min-height:48px;padding:3px 9px}.reveal-progress{padding-top:6px;font-size:11px}.reveal-actions{grid-template-columns:1fr 1.35fr .9fr;gap:6px}.reveal-actions button{min-height:48px;padding:6px;font-size:13px}.selection-card{top:auto;bottom:calc(164px + env(safe-area-inset-bottom));width:calc(100% - 16px);padding-top:11px;padding-bottom:11px;left:8px}.selection-close{width:44px;height:44px}.scene-hint{display:none}.message-page{padding:16px}.message-header{gap:12px}.message-panel{padding:25px 22px}}@media (width<=380px){.summary-metrics span{padding:0 5px;font-size:10px}.mode-switch{min-width:178px}.mode-switch span{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}