:root{color-scheme:light;--ink:#16332f;--muted:#657570;--green:#116c59;--line:#dce6df;--paper:#f3f6f2;--white:#fff;--radius:20px;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.6}button,input,select,textarea{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #58aa91;outline-offset:3px}[hidden]{display:none!important}
.layout{max-width:760px;margin:auto;padding:30px 20px calc(32px + env(safe-area-inset-bottom));padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right));padding-top:max(28px,env(safe-area-inset-top))}.page-header{display:flex;align-items:center;gap:13px}.brand-icon{width:48px;height:48px;background:var(--ink);border-radius:15px;display:grid;place-items:center;flex-shrink:0}.brand-icon span{width:26px;height:22px;border:2px solid #c9f3dd;border-radius:6px;position:relative}.brand-icon span:before{content:"";position:absolute;width:8px;height:4px;background:#c9f3dd;top:-5px;left:7px;border-radius:2px}.brand-icon span:after{content:"";position:absolute;width:8px;height:8px;border:2px solid #c9f3dd;left:5px;top:3px;border-radius:50%}h1{margin:0;font-size:27px;line-height:1.3;letter-spacing:-.8px}h2{margin:0;font-size:19px;line-height:1.5}.eyebrow{font-size:10px;letter-spacing:1.6px;font-weight:750;color:var(--green);margin:0 0 3px}.page-header>.badge{margin-left:auto}.badge{font-size:11px;white-space:nowrap;background:#ddece2;color:#17654e;border-radius:100px;padding:5px 9px;font-weight:650}.subtle{background:#f0f4ef;color:var(--muted)}.intro{color:var(--muted);margin:18px 0;font-size:14px}.steps{display:flex;gap:16px;margin:16px 0 21px;font-size:12px;color:#516860;flex-wrap:wrap}.steps b{display:inline-grid;place-items:center;border:1px solid #b1c4b7;width:20px;height:20px;border-radius:50%;margin-right:3px;font-size:11px}.notice{background:#e5eee8;border:1px solid #d4e4d9;border-radius:12px;padding:12px 15px;margin:0 0 17px;font-size:13px;overflow-wrap:anywhere}.notice.error{background:#fff1eb;color:#993d21;border-color:#f0c7b5}.notice.success{background:#e2f2e8;color:#19553b}.camera-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 25px #16332f05}.mode-group{display:flex;gap:5px;padding:9px;background:#e9efea;border-bottom:1px solid var(--line)}.mode{flex:1;min-width:0;border:0;border-radius:11px;color:#557066;padding:11px 3px;background:transparent;font-weight:700;font-size:13px;min-height:60px}.mode small{display:block;font-weight:450;font-size:10px;margin-top:3px}.mode.active{background:var(--ink);color:white;box-shadow:0 3px 6px #12302212}.camera-toolbar{display:flex;align-items:center;gap:10px;padding:17px 17px 0}.camera-toolbar label{flex-shrink:0;font-size:13px;color:var(--muted)}select{min-width:0;flex:1;width:100%;border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 7px;color:var(--ink);font-size:13px;min-height:44px}.icon-button{border:1px solid var(--line);border-radius:9px;background:white;color:var(--green);min-width:44px;height:44px;font-size:24px}.helper{font-size:12px;color:var(--muted);margin:12px 0;line-height:1.7}.mode-help{margin:10px 17px 14px}.preview-stage{position:relative;isolation:isolate;aspect-ratio:3/4;background:#111c1a;overflow:hidden;max-height:600px}.preview-stage video{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:contain}.preview-stage.cover video{object-fit:cover}.empty-preview{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:#b2c5bc;background:radial-gradient(ellipse at center,#1e3830,#10211d)}.empty-preview strong{font-size:16px;font-weight:550}.empty-preview>span:last-child{font-size:12px;color:#869e92}.camera-outline{width:55px;height:42px;border:1.5px solid #729484;border-radius:10px;position:relative;margin-bottom:13px}.camera-outline:after{content:"";position:absolute;width:18px;height:18px;border:1.5px solid #729484;border-radius:50%;left:16px;top:10px}.preview-top{position:absolute;z-index:2;top:13px;left:13px;right:13px;display:flex;justify-content:space-between;gap:8px;pointer-events:none}.preview-top span{background:#10211db8;color:#e7f4eb;font-size:11px;border:1px solid #a8c2b229;border-radius:6px;padding:4px 8px;backdrop-filter:blur(8px);max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.grid-lines{position:absolute;inset:0;pointer-events:none;background:linear-gradient(to right,transparent 33.15%,#ffffff10 33.15%,#ffffff10 33.45%,transparent 33.45%,transparent 66.55%,#ffffff10 66.55%,#ffffff10 66.85%,transparent 66.85%),linear-gradient(to bottom,transparent 33.15%,#ffffff10 33.15%,#ffffff10 33.45%,transparent 33.45%,transparent 66.55%,#ffffff10 66.55%,#ffffff10 66.85%,transparent 66.85%)}.view-controls{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:14px 17px 0;background:#f7f9f6}.view-controls button{flex:1;border:0;background:transparent;color:#64736d;font-size:12px;padding:10px;min-height:44px}.view-controls .active{background:#e2eee6;color:#17533e;font-weight:700}.view-help{padding:0 17px;min-height:36px}.primary-actions{display:flex;gap:9px;padding:0 17px 17px}.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:46px;padding:10px 17px;border:1px solid #cbdad0;border-radius:10px;background:white;color:var(--ink);font-size:13px;font-weight:650;text-decoration:none}.button.primary{background:var(--green);border-color:var(--green);color:white}.primary-actions .primary{flex:1}.button.quiet{border-color:transparent;color:var(--muted);background:#f0f4ef}.button.small{padding:8px 11px;min-height:42px;font-size:12px}.panel{margin-top:18px;padding:21px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.summary{font-size:13px;margin:17px 0 11px;overflow-wrap:anywhere}.zoom-line{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}#zoom-slider{min-width:40px;flex:1;accent-color:var(--green);height:44px;touch-action:pan-y}#zoom-value{font-variant-numeric:tabular-nums;font-size:20px;min-width:53px;text-align:right;font-weight:700;color:var(--ink)}.zoom-presets{display:flex;gap:7px;margin:8px 0 15px}.zoom-presets button{flex:1;min-width:0;min-height:44px;padding:7px 0;border:1px solid var(--line);border-radius:9px;background:#f4f7f3;color:var(--ink);font-size:13px;font-weight:650}.zoom-presets .active{background:#e0eee4;border-color:#89baa0;color:#116c59}.readings{margin:16px 0 10px}.readings>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid #edf0eb;font-size:12px}.readings dt{color:var(--muted);flex-shrink:0}.readings dd{margin:0;text-align:right;overflow-wrap:anywhere;max-width:70%;font-variant-numeric:tabular-nums;font-weight:550}details{margin-top:13px}summary{font-size:12px;color:var(--green);cursor:pointer;padding:6px 0;min-height:36px}pre{background:#f3f6f1;border:1px solid var(--line);padding:12px;border-radius:10px;font-size:11px;max-height:310px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}.count{font-size:12px;color:var(--muted);margin-left:5px;font-weight:500}.text-button{border:0;background:transparent;color:var(--green);font-size:12px;min-width:44px;min-height:44px}.empty-state{padding:30px 18px;text-align:center;border:1px dashed #cbd9cc;border-radius:12px;background:#f7f9f5;color:var(--muted);font-size:12px}.photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.photos>.empty-state{grid-column:1/-1}.photo-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;min-width:0;background:#f7f9f5}.photo-card img{width:100%;height:auto;max-height:320px;object-fit:contain;display:block;background:#16251f}.photo-details{padding:10px}.photo-details strong{font-size:13px;display:block}.photo-details p{font-size:11px;color:var(--muted);margin:4px 0 8px;overflow-wrap:anywhere}.photo-details .button{width:100%;min-height:38px;font-size:11px;padding:6px}.field-label{display:block;font-size:12px;margin:17px 0 7px}.field-label span{color:var(--muted);font-size:11px;margin-left:5px}.text-input{display:block;width:100%;border:1px solid #d3dfd5;border-radius:10px;background:#fafcf9;min-height:46px;padding:10px 12px;font-size:14px;color:var(--ink);resize:vertical}.text-input::placeholder{font-size:12px;color:#89978f}.report-actions{display:flex;gap:9px;margin-top:18px}.report-actions .primary{flex:1}.activity-log{list-style:none;padding:0;margin:8px 0;font-size:11px;color:var(--muted);max-height:230px;overflow:auto}.activity-log li{border-bottom:1px solid #edf0eb;padding:8px 0;overflow-wrap:anywhere}.install-note{margin:22px 3px 10px;padding:0 4px;color:#52685c;font-size:12px}.install-note strong{font-size:13px}.install-note p{margin:5px 0 12px}footer{color:#86948b;text-align:center;margin-top:27px;font-size:10px;line-height:1.9}
@media(min-width:640px){.layout{padding-top:44px}.preview-stage{aspect-ratio:4/3;max-height:500px}.panel{padding:25px}.photos{grid-template-columns:repeat(3,minmax(0,1fr))}.steps{gap:30px}.intro{font-size:15px}.mode{font-size:14px}}
@media(max-width:359px){.layout{padding-left:12px;padding-right:12px}.panel{padding:15px}.steps{gap:6px;font-size:11px}.primary-actions{gap:5px;padding:0 12px 13px}.button{padding:9px 11px}.page-header{gap:9px}.brand-icon{width:42px;height:42px}.badge{padding:4px 7px;font-size:10px}h1{font-size:24px}.mode{font-size:12px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .15s ease,opacity .15s ease}.camera-card,.panel{animation:appear .3s ease both}@keyframes appear{from{opacity:.5;transform:translateY(5px)}to{opacity:1;transform:none}}}