:root{--primary: #047857;--primary-dark: #035e44;--bg: #f2f4f8;--card: #ffffff;--text: #1c2333;--muted: #8a93a6;--border: #e3e8f0;--danger: #e5484d;--ok: #16a34a}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:480px;margin:0 auto;min-height:100%;background:var(--bg);display:flex;flex-direction:column}.lang-screen{padding:56px 24px}.lang-title{font-size:22px;font-weight:700;margin:0 0 8px}.lang-subtitle{color:var(--muted);font-size:14px;margin:0 0 28px;line-height:1.5}.lang-list{display:flex;flex-direction:column;gap:12px}.lang-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 18px;font-size:16px;text-align:left;color:var(--text);cursor:pointer;transition:border-color .15s,transform .05s}.lang-item:active{transform:scale(.99)}.lang-item:hover{border-color:var(--primary)}.topbar{position:sticky;top:0;height:52px;display:flex;align-items:center;justify-content:center;background:var(--card);border-bottom:1px solid var(--border);z-index:10}.topbar-title{font-size:17px;font-weight:600}.back-btn{position:absolute;left:8px;top:0;height:52px;width:44px;border:none;background:transparent;font-size:28px;line-height:1;color:var(--text);cursor:pointer}.content{padding:16px;flex:1}.card{background:var(--card);border-radius:14px;padding:18px 16px 8px;box-shadow:0 1px 3px #141e3c0d}.section-title{font-size:15px;font-weight:600;margin:18px 0 10px}.field{margin-bottom:18px}.field-label{font-size:14px;font-weight:600;margin-bottom:8px}.hint{font-size:12.5px;color:var(--muted);margin-bottom:10px}.text-input{width:100%;height:46px;border:1px solid var(--border);border-radius:10px;padding:0 14px;font-size:15px;outline:none;background:#fafbfd}.text-input:focus{border-color:var(--primary);background:#fff}.upload-box{border:1.5px dashed #c7cede;border-radius:12px;min-height:150px;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;background:#fafbfd}.upload-box.has-image{border-style:solid;border-color:var(--border);padding:0}.upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--muted);font-size:13px;padding:16px}.upload-sample{width:160px;max-width:72%;height:auto}.upload-tip{display:inline-flex;align-items:center;gap:6px}.cam-icon{font-size:18px}.upload-preview{width:100%;max-height:220px;object-fit:contain;display:block}.link-btn{background:none;border:none;color:var(--primary);font-size:13px;padding:8px 0 0;cursor:pointer}.guidelines-title{font-size:12.5px;color:var(--muted);margin:12px 0 8px}.guidelines{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.guide{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}.guide-thumb{position:relative;width:100%;border-radius:8px;overflow:hidden;background:#f0f3f8;border:1px solid var(--border)}.guide-thumb img{width:100%;display:block;aspect-ratio:163 / 116;object-fit:cover}.guide-badge{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;color:#fff;font-size:11px;line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 2px #00000040}.guide-badge.ok{background:var(--ok)}.guide-badge.bad{background:var(--danger)}.guide-label{font-size:11px;color:var(--muted);line-height:1.3}.rec-page{padding:4px 0 8px}.rec-title{margin:0 0 20px;font-size:18px;font-weight:700;line-height:1.3;color:#333;text-align:center}.rec-face-wrap{position:relative;width:260px;max-width:100%;aspect-ratio:1 / 1;margin:0 auto 20px;border-radius:12px;overflow:hidden;background:#0e1320;box-shadow:0 0 0 3px transparent;transition:box-shadow .2s ease}.rec-face-wrap.face-ok{box-shadow:0 0 0 3px #22c55e}.rec-face-wrap.face-bad{box-shadow:0 0 0 3px #ef4444}.rec-face-status{position:absolute;left:10px;right:10px;bottom:12px;z-index:2;padding:8px 10px;border-radius:8px;font-size:14px;font-weight:600;line-height:1.35;text-align:center;pointer-events:none}.rec-face-status.ok{background:#22c55ee0;color:#fff}.rec-face-status.bad{background:#0000009e;color:#fff}.rec-face-status.countdown{background:#000000b8;color:#fff;font-size:42px;font-weight:700;line-height:1.1;padding:16px 12px}.rec-face-status.prompt{background:#000000a8;color:#fff;font-size:15px;animation:rec-action-in .35s ease}.rec-face-status.warn{background:#ef4444e6;color:#fff;animation:rec-action-in .25s ease}.rec-face-status.done{background:#22c55eeb;color:#fff;font-size:22px;animation:rec-action-in .25s ease}.rec-action-progress{position:absolute;left:0;right:0;top:0;height:4px;z-index:2;background:#ffffff40;pointer-events:none}.rec-action-progress span{display:block;height:100%;background:#22c55e;transition:width .25s linear}.rec-hint.accent{color:#2563eb;font-weight:600}.rec-debug-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:2;pointer-events:none}.rec-debug{position:absolute;top:40px;left:8px;z-index:3;margin:0;padding:4px 6px;border-radius:4px;background:#0009;color:#a3e635;font:10px/1.35 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;text-align:left;white-space:pre;pointer-events:none}.rec-btn.secondary{background:#8a93a6}.rec-video{width:100%;height:100%;object-fit:cover;background:#0e1320}.rec-video.mirrored{transform:scaleX(-1)}.rec-face-frame{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.rec-hint{margin:16px 0 0;font-size:16px;line-height:1.5;color:#9e9e9e;text-align:center}.rec-tips{display:flex;justify-content:space-between;gap:8px;margin-top:16px}.rec-tip{flex:1;text-align:center}.rec-tip img{width:40px;height:40px;margin-bottom:6px}.rec-tip p{margin:0;font-size:15px;line-height:1.4;color:#535353}.rec-btn{display:block;width:100%;height:41px;margin-top:28px;border:none;border-radius:5px;background:linear-gradient(90deg,#4facfe,#00f2fe);color:#fff;font-size:14px;cursor:pointer}.rec-btn:disabled{opacity:.5;cursor:default}.rec-badge{position:absolute;top:10px;left:10px;background:#0000008c;color:#fff;padding:5px 10px;border-radius:20px;font-size:12px;display:flex;align-items:center;gap:6px;z-index:2}.rec-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);animation:blink 1s infinite}@keyframes blink{50%{opacity:.3}}.rec-action{position:absolute;left:10px;right:10px;bottom:12px;z-index:2;padding:8px 10px;border-radius:8px;background:#0000009e;color:#fff;font-size:15px;font-weight:600;line-height:1.35;text-align:center;pointer-events:none;animation:rec-action-in .35s ease}@keyframes rec-action-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.btn-row{display:flex;gap:10px;margin-top:12px}.secondary-btn,.danger-btn{flex:1;height:44px;border-radius:10px;border:none;font-size:15px;font-weight:600;cursor:pointer}.secondary-btn{background:#e7f6f0;color:var(--primary)}.danger-btn{background:var(--danger);color:#fff}.submit-btn{width:100%;height:50px;margin-top:18px;border:none;border-radius:12px;background:var(--primary);color:#fff;font-size:16px;font-weight:700;cursor:pointer}.submit-btn:disabled{opacity:.6;cursor:default}.submit-btn:active:not(:disabled){background:var(--primary-dark)}.error-text{color:var(--danger);font-size:13px;margin-top:8px}.error-banner{background:#fde8e8;color:var(--danger);border-radius:10px;padding:12px 14px;font-size:14px;margin-top:14px}.success-screen{padding:48px 24px;text-align:center}.success-icon{width:72px;height:72px;margin:0 auto 20px;border-radius:50%;background:var(--ok);color:#fff;font-size:40px;display:flex;align-items:center;justify-content:center}.success-desc{color:var(--muted);font-size:14px;line-height:1.6;margin-bottom:24px}.ref-box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:24px}.ref-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.ref-value{font-size:15px;font-weight:600;word-break:break-all;font-family:SFMono-Regular,Menlo,monospace}.privacy-hint{font-size:12px;color:var(--muted);text-align:center;margin:14px 4px 0;line-height:1.5}.permission-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;background:#0e1320b8;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.permission-modal{width:min(100%,420px);border-radius:18px;background:var(--card);padding:28px 24px 22px;box-shadow:0 18px 50px #0a142d3d}.permission-title{margin:0 0 8px;font-size:21px}.permission-description{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.permission-list{display:flex;flex-direction:column;gap:10px;margin:22px 0 16px}.permission-item{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:10px;min-height:42px;padding:0 12px;border:1px solid var(--border);border-radius:10px;font-size:14px}.permission-item strong{color:var(--muted);font-size:12px;font-weight:600}.permission-status{width:9px;height:9px;border-radius:50%;background:#aab2c2}.permission-status.granted{background:var(--ok)}.permission-status.denied{background:var(--danger)}.permission-error{padding:10px 12px;border-radius:9px;background:#fde8e8;color:var(--danger);font-size:13px;line-height:1.5}.permission-error-detail{display:block;margin-top:6px;opacity:.75;font-size:11px;line-height:1.45;word-break:break-word}.permission-settings-hint,.permission-blocked-note{color:var(--muted);font-size:12px;line-height:1.5}.permission-settings-hint{margin:10px 2px 0}.permission-donts{display:flex;justify-content:space-around;gap:8px;margin-bottom:20px}.permission-dont{display:flex;flex-direction:column;align-items:center;gap:5px;flex:1;text-align:center}.permission-dont img{width:50px;height:50px;border-radius:6px;object-fit:cover}.permission-dont span{font-size:12px;line-height:1.35;color:#333}.permission-button{width:100%;height:44px;margin-top:18px;border:none;border-radius:5px;background:linear-gradient(90deg,#4facfe,#00f2fe);color:#fff;font-size:16px;font-weight:700;cursor:pointer}.permission-button:disabled{opacity:.58;cursor:default}.permission-blocked-note{margin:10px 0 0;text-align:center}.step-heading{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--muted);font-size:12px}.step-heading strong{color:var(--text);font-size:14px}