:root{--green:#143e36;--green-light:#eaf1ec;--ink:#202e29;--muted:#69736e;--border:#dce2dd;--paper:#f8f9f6;--gold:#e7bf72;--white:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:24px}*{box-sizing:border-box}body{margin:0}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.55}button,a,summary{touch-action:manipulation}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ad7930;outline-offset:5px}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.symbol-library{display:none}[hidden]{display:none!important}.site-header{max-width:1440px;margin:auto;min-height:96px;padding:20px 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24px}.camera-toolbar{flex-wrap:wrap}.model-section{gap:30px}.field-etiquette{gap:20px}nav{gap:24px}}@media(max-width:760px){.site-header{padding:17px 5%;min-height:81px;flex-wrap:wrap;gap:15px}.brand{font-size:24px}.brand-mark{width:40px;height:40px}.brand small{font-size:9px}.edition{font-size:.75rem}nav{order:3;width:100%;height:35px;justify-content:space-around;gap:20px;font-size:.875rem}nav a{padding:5px 0 11px}.section-heading{padding:29px 0 23px;gap:12px}h1{font-size:2rem}.region{font-size:.75rem;gap:6px}.region svg{width:23px;height:23px}.region-small{font-size:.6875rem}.section-heading .eyebrow{font-size:.625rem;letter-spacing:1.2px}.intro{font-size:.875rem}.workspace{grid-template-columns:1fr;gap:24px}.media-stage{aspect-ratio:1.5}.result-panel{min-height:unset}.empty-result{padding:28px 12px 23px}.empty-steps{max-width:330px;margin:auto;padding-bottom:25px}.panel-heading{padding:19px 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.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}
.video-viewport{position:absolute;inset:0;overflow:hidden;background:#0a1611}
.media-stage .video-viewport video{inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transform-origin:center;will-change:transform}
.media-stage.camera-active{touch-action:none}
#cameraTransition{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;pointer-events:none}
.camera-action:disabled,.zoom-presets button:disabled,#zoomRange:disabled{opacity:.5;cursor:wait}
.view-top,.view-bottom,.corner,.camera-prompt{pointer-events:none}
.viewfinder.active .media-stage{aspect-ratio:4/3;min-height:460px}
.viewfinder.active .media-stage:after{background:linear-gradient(180deg,#0007,transparent 25%,transparent 60%,#0004)}
.viewfinder.active .corner,.viewfinder.active .view-label{display:none}
.viewfinder.active .view-top{top:max(20px,calc(env(safe-area-inset-top) + 8px));left:66px;right:66px;justify-content:center}
.viewfinder.active .view-tag{background:#12251d80;border-radius:20px;backdrop-filter:blur(8px);font-size:.75rem;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.viewfinder.active .view-bottom{top:max(74px,calc(env(safe-area-inset-top) + 62px));bottom:auto;align-items:start;font-size:.6875rem;text-shadow:0 1px 3px #000;gap:12px}
.viewfinder.active .view-bottom #frameStatus{max-width:78%;min-width:0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.viewfinder.active #timing{white-space:nowrap;flex-shrink:0}
.aim-mark{display:none;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fffc;z-index:3;pointer-events:none;opacity:.65}
.aim-mark svg{width:32px;height:32px;stroke-width:1}
.viewfinder.active .aim-mark{display:block}
.camera-top-controls{position:absolute;top:max(12px,env(safe-area-inset-top));left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));display:flex;justify-content:space-between;z-index:5;pointer-events:none}
.camera-icon{width:44px;height:44px;border:1px solid #ffffff30;border-radius:50%;display:grid;place-items:center;background:#14221c88;color:#fff;backdrop-filter:blur(10px);pointer-events:auto}
.camera-icon svg{width:20px;height:20px}
.camera-hud{position:absolute;bottom:0;left:0;right:0;padding:38px 20px max(10px,env(safe-area-inset-bottom));z-index:4;color:#fff;background:linear-gradient(transparent,#07130eb8 30%,#07130eeb);pointer-events:none}
.zoom-controls{max-width:300px;margin:0 auto;text-align:center;pointer-events:auto}
.zoom-presets{display:flex;justify-content:center;gap:9px}
.zoom-presets button{width:46px;min-height:44px;padding:0;border:1px solid #ffffff26;border-radius:50%;background:#1b2a23b8;color:#fff;font-size:.875rem;backdrop-filter:blur(10px);font-variant-numeric:tabular-nums}
.zoom-presets button[aria-pressed=true]{color:#f8d589;border-color:#f8d589b3;background:#3d3a22db;font-weight:650}
.zoom-slider{display:flex;align-items:center;gap:12px;margin-top:1px}
#zoomRange{width:100%;min-width:0;height:34px;margin:0;accent-color:#f8d589;cursor:pointer;touch-action:pan-y}
#zoomValue{font-family:monospace;color:#f8d589;font-size:.875rem;white-space:nowrap;min-width:3.5em;text-align:right}
#zoomMode{display:block;font-size:.625rem;letter-spacing:.03em;color:#ffffffb5;line-height:1.5}
.camera-actions{position:relative;max-width:330px;margin:12px auto 0;display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:14px;align-items:center;pointer-events:auto}
.camera-action{min-width:44px;min-height:54px;padding:4px 5px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#fff;border:0;background:transparent;border-radius:12px;font:inherit;font-size:.6875rem;line-height:1.4;cursor:pointer;list-style:none;text-align:center}
.camera-action svg{width:25px;height:25px}
.camera-action:hover{background:#ffffff12}
.camera-action:focus-visible,.camera-icon:focus-visible,.zoom-presets button:focus-visible,#zoomRange:focus-visible{outline:2px solid #f8d589;outline-offset:4px}
.camera-settings>summary::-webkit-details-marker{display:none}
.pause-disc{display:grid;place-items:center;width:54px;height:54px;border:2px solid #ffffffe6;border-radius:50%;box-shadow:0 0 0 4px #ffffff24;background:#ffffffed;color:#203b2b}
.pause-disc svg{width:22px;height:22px}
.pause-action{gap:9px;padding-left:0;padding-right:0}
.camera-results{display:block;margin:6px auto 0;border:0;border-radius:6px;min-height:32px;padding:4px 15px;color:#ffffffba;background:transparent;font-size:.6875rem;pointer-events:auto}
.camera-settings-panel{position:absolute;bottom:calc(100% + 14px);left:0;right:0;border:1px solid #ffffff3d;padding:16px;background:#15271ff5;backdrop-filter:blur(16px);border-radius:14px;box-shadow:0 8px 30px #0005;color:#fff;text-align:left;max-height:50vh;overflow:auto}
.zoom-hint,.zoom-quality{font-size:.75rem;line-height:1.7;margin:10px 0 0;color:#e0e8df}
.zoom-quality{color:#ead39f}
.camera-choice{display:flex;gap:10px;align-items:center;font-size:.8125rem}
.camera-choice label{flex-shrink:0}
.camera-choice select{min-width:0;max-width:100%;flex:1;min-height:44px;padding:8px;color:#172f23;background:#f5f8f2;border:0;border-radius:6px;font:inherit}
select:focus-visible{outline:3px solid #f8d589;outline-offset:3px}
.camera-open .camera-toolbar{display:none}
.camera-open .photo-credit{display:none}
.camera-expanded{overflow:hidden}
.camera-expanded .viewfinder{position:fixed;inset:0;width:100%;height:100vh;height:100dvh;border-radius:0;z-index:100;background:#08150f}
.camera-expanded .viewfinder .media-stage{position:absolute;inset:0;width:100%;height:100%;min-height:0;aspect-ratio:auto}
@media(max-width:760px),(pointer:coarse) and (max-width:1100px){
  .camera-open .site-header,.camera-open .section-heading{display:none}
  .camera-open main{padding-left:12px;padding-right:12px}
  .camera-open .observe-section{padding-top:12px}
  .camera-open .workspace{grid-template-columns:1fr;gap:16px}
  .viewfinder.active{border-radius:18px;scroll-margin-top:12px}
  .viewfinder.active .media-stage{aspect-ratio:auto;height:82vh;height:82svh;min-height:min(520px,calc(100svh - 24px))}
  .camera-expanded .viewfinder{border-radius:0}
  .camera-expanded .viewfinder .media-stage{height:100%;min-height:0}
  .camera-hud{padding-left:20px;padding-right:20px}
  .camera-open .status-message{margin-top:10px}
}
@media(orientation:landscape) and (max-height:520px){
  .camera-open .viewfinder .media-stage{height:calc(100svh - 24px);min-height:280px;aspect-ratio:auto}
  .camera-expanded .viewfinder .media-stage{height:100%;min-height:0}
  .camera-hud{left:auto;right:10px;width:250px;padding:10px;background:#0b1c16a6;border-radius:16px;bottom:max(12px,env(safe-area-inset-bottom))}
  .camera-actions{gap:8px;margin-top:8px}
  .camera-settings-panel{left:auto;right:0;width:290px;max-width:70vw;max-height:65vh}
  .zoom-presets{gap:6px}
}