:root{--check-bg:#f5f6f8;--check-surface:#fff;--check-ink:#101828;--check-muted:#667085;--check-line:#dfe4ea;--check-navy:#173b63;--check-blue:#1769e0;--check-green:#18794e;--check-amber:#a15c00;--check-red:#b42318;--check-font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{background:var(--check-bg);color:var(--check-ink);font-family:var(--check-font);-webkit-font-smoothing:antialiased}body{background:var(--check-bg);min-width:320px}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.check-page{flex-direction:column;min-height:100vh;display:flex}.check-header{border-bottom:1px solid var(--check-line);justify-content:space-between;align-items:center;width:min(1180px,100% - 48px);height:76px;margin:0 auto;display:flex}.check-brand{color:var(--check-ink);align-items:center;gap:12px;font-size:15px;text-decoration:none;display:inline-flex}.check-brand span{background:var(--check-navy);color:#fff;border-radius:9px;place-items:center;width:34px;height:34px;font-size:17px;font-weight:800;display:grid}.check-header p{color:var(--check-muted);align-items:center;gap:7px;font-size:13px;display:flex}.check-main{flex:1;width:min(1180px,100% - 48px);margin:0 auto}.upload-view{grid-template-columns:minmax(0,.92fr) minmax(480px,1.08fr);align-items:center;gap:86px;min-height:700px;padding:72px 0 96px;display:grid}.check-kicker{color:var(--check-navy);letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px;font-size:12px;font-weight:800}.upload-copy h1{letter-spacing:-.045em;max-width:590px;font-size:clamp(42px,4.6vw,64px);font-weight:720;line-height:1.12}.upload-copy>p:last-child{max-width:540px;color:var(--check-muted);margin-top:26px;font-size:17px;line-height:1.8}.check-dropzone{background:var(--check-surface);min-height:430px;color:var(--check-ink);cursor:pointer;border:1.5px dashed #aab7c5;border-radius:22px;flex-direction:column;justify-content:center;align-items:center;gap:11px;transition:border-color .18s,background .18s,transform .18s;display:flex}.check-dropzone:hover,.check-dropzone.is-dragging{border-color:var(--check-blue);background:#f8fbff;transform:translateY(-2px)}.upload-icon{width:68px;height:68px;color:var(--check-blue);background:#edf4ff;border-radius:50%;place-items:center;margin-bottom:12px;display:grid}.check-dropzone strong{font-size:20px}.check-dropzone>span:not(.upload-icon){color:var(--check-blue);font-size:14px;font-weight:650}.check-dropzone small{color:var(--check-muted);margin-top:20px;font-size:12px}.analysis-view{grid-template-columns:minmax(320px,.86fr) minmax(480px,1.14fr);align-items:center;gap:70px;min-height:700px;padding:70px 0 100px;display:grid}.analysis-preview,.result-image{border:1px solid var(--check-line);background:#edf0f3;border-radius:22px;overflow:hidden}.analysis-preview{aspect-ratio:1}.analysis-preview img,.result-image img{object-fit:contain;width:100%;height:100%;display:block}.analysis-panel{border:1px solid var(--check-line);background:var(--check-surface);border-radius:22px;padding:46px}.progress-number{color:var(--check-ink);align-items:flex-start;display:flex}.progress-number strong{letter-spacing:-.07em;font-size:88px;font-weight:680;line-height:1}.progress-number span{color:var(--check-muted);margin:10px 0 0 8px;font-size:25px}.progress-detail{min-height:24px;color:var(--check-muted);margin-top:18px;font-size:14px}.progress-track{background:#e8edf2;border-radius:99px;height:10px;margin-top:18px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--check-blue);height:100%;transition:width .22s;display:block}.stage-list{grid-template-columns:1fr 1fr;gap:15px 20px;margin-top:34px;list-style:none;display:grid}.stage-list li{color:#98a2b3;align-items:center;gap:9px;font-size:13px;display:flex}.stage-list li>span{border:1px solid #d0d5dd;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:11px;display:grid}.stage-list .is-active{color:var(--check-blue);font-weight:650}.stage-list .is-active>span{border-color:var(--check-blue);background:#edf4ff}.stage-list .is-done{color:var(--check-green)}.stage-list .is-done>span{border-color:var(--check-green);background:#eaf7f0}.analysis-file{color:#98a2b3;text-overflow:ellipsis;white-space:nowrap;margin-top:30px;font-size:12px;overflow:hidden}.result-view{padding:58px 0 100px}.result-layout{grid-template-columns:minmax(320px,.82fr) minmax(520px,1.18fr);align-items:stretch;gap:42px;display:grid}.result-image{min-height:460px}.result-summary{border:1px solid var(--check-line);background:var(--check-surface);border-radius:22px;min-height:460px;padding:44px 46px}.verdict-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.verdict-row h1{letter-spacing:-.045em;font-size:clamp(36px,4vw,54px);font-weight:720;line-height:1.15}.verdict-row>span{color:var(--check-blue);background:#edf4ff;border-radius:99px;flex:none;padding:7px 11px;font-size:12px;font-weight:700}.verdict-copy{min-height:54px;color:var(--check-muted);margin-top:18px;font-size:15px;line-height:1.75}.result-scale{margin-top:34px}.scale-bar{background:linear-gradient(90deg,#45a779 0%,#e8d8a4 50%,#e56b5d 100%);border-radius:99px;height:16px;position:relative}.scale-bar i{background:var(--check-navy);border:3px solid #fff;border-radius:6px;width:9px;height:34px;position:absolute;top:-9px;transform:translate(-50%);box-shadow:0 0 0 1px #10182824}.scale-labels{color:var(--check-muted);justify-content:space-between;margin-top:12px;font-size:12px;display:flex}.result-meta{border-top:1px solid var(--check-line);color:#98a2b3;margin-top:32px;padding-top:22px;font-size:12px}.platform-title{justify-content:space-between;align-items:flex-end;margin-top:56px;display:flex}.platform-title h2,.share-section h2{letter-spacing:-.02em;font-size:25px}.platform-title p{color:var(--check-muted);font-size:12px}.platform-cards{grid-template-columns:1fr 1fr;gap:18px;margin-top:18px;display:grid}.platform-card{border:1px solid var(--check-line);background:var(--check-surface);border-radius:18px;min-height:220px;padding:28px}.platform-card>div{justify-content:space-between;align-items:center;display:flex}.platform-card h3{font-size:18px}.platform-card span{color:var(--check-muted);background:#f2f4f7;border-radius:99px;padding:6px 9px;font-size:11px;font-weight:700}.platform-card[data-risk=high] span{color:var(--check-red);background:#fef3f2}.platform-card[data-risk=medium] span{color:var(--check-amber);background:#fffaeb}.platform-card[data-risk=low] span{color:var(--check-green);background:#ecfdf3}.platform-card>strong{margin-top:34px;font-size:20px;display:block}.platform-card>p{color:var(--check-muted);margin-top:12px;font-size:13px;line-height:1.7}.evidence-details{border:1px solid var(--check-line);background:var(--check-surface);border-radius:18px;margin-top:20px}.evidence-details summary{cursor:pointer;justify-content:space-between;align-items:center;min-height:66px;padding:0 24px;font-size:14px;font-weight:700;list-style:none;display:flex}.evidence-details[open] summary svg{transform:rotate(180deg)}.evidence-list{padding:0 24px}.evidence-list article{border-top:1px solid var(--check-line);grid-template-columns:30px 1fr;gap:14px;padding:18px 0;display:grid}.evidence-list article>span{width:28px;height:28px;color:var(--check-muted);background:#f2f4f7;border-radius:8px;place-items:center;font-size:11px;font-weight:800;display:grid}.evidence-list article>span[data-state=present]{color:var(--check-blue);background:#edf4ff}.evidence-list strong{font-size:13px}.evidence-list p,.limitations{color:var(--check-muted);margin-top:5px;font-size:12px;line-height:1.65}.limitations{margin:4px 24px 24px 42px}.share-section{background:#eaf1f8;border-radius:20px;grid-template-columns:1fr auto auto;align-items:center;gap:24px;margin-top:56px;padding:34px;display:grid}.share-section label{color:var(--check-muted);align-items:center;gap:8px;font-size:12px;display:flex}.primary-action,.reset-action{cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:46px;display:inline-flex}.primary-action{border:1px solid var(--check-navy);background:var(--check-navy);color:#fff;padding:0 20px;font-size:13px;font-weight:700}.primary-action:disabled{cursor:wait;opacity:.65}.share-preview{border-top:1px solid #173b6329;grid-column:1/-1;grid-template-columns:minmax(220px,340px) 220px;align-items:center;gap:24px;padding-top:24px;display:grid}.share-preview img{border:1px solid #173b6329;border-radius:12px;width:100%;display:block}.reset-action{color:var(--check-muted);background:0 0;border:0;margin:28px auto 0;padding:0 18px;font-size:13px}.error-view{border:1px solid var(--check-line);background:var(--check-surface);text-align:center;border-radius:20px;max-width:620px;margin:120px auto;padding:46px}.error-view h1{font-size:34px}.error-view>p:not(.check-kicker){color:var(--check-muted);margin:18px 0 28px;line-height:1.7}.check-footer{border-top:1px solid var(--check-line);min-height:78px;color:var(--check-muted);justify-content:space-between;align-items:center;padding:0 max(24px,50% - 590px);font-size:12px;display:flex}.check-footer a{color:var(--check-navy);font-weight:700;text-decoration:none}@media (max-width:860px){.check-header,.check-main{width:min(100% - 28px,680px)}.check-header{height:66px}.check-header p{text-align:right;justify-content:flex-end;max-width:128px;line-height:1.4}.check-brand strong{font-size:13px}.upload-view,.analysis-view,.result-layout{grid-template-columns:1fr}.upload-view{gap:38px;min-height:0;padding:54px 0 72px}.upload-copy{text-align:center}.upload-copy h1{font-size:clamp(38px,11vw,52px)}.upload-copy>p:last-child{margin:20px auto 0;font-size:15px}.check-dropzone{border-radius:18px;min-height:320px}.analysis-view{gap:20px;min-height:0;padding:28px 0 64px}.analysis-preview{max-height:300px}.analysis-panel{padding:28px 24px}.progress-number strong{font-size:72px}.result-view{padding:28px 0 72px}.result-layout{gap:18px}.result-image{aspect-ratio:1/.9;min-height:0}.result-summary{min-height:0;padding:28px 24px}.verdict-row{flex-direction:column;align-items:flex-start}.verdict-row h1{font-size:39px}.platform-title{flex-direction:column;align-items:flex-start;gap:6px;margin-top:40px}.platform-cards{grid-template-columns:1fr}.platform-card{min-height:0}.share-section{grid-template-columns:1fr;margin-top:40px;padding:26px 22px}.share-preview{grid-column:auto;grid-template-columns:1fr}.check-footer{flex-direction:column;align-items:flex-start;gap:8px;padding:22px 18px;line-height:1.6}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}