*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--text:#1e293b;--text-muted:#64748b;--bg:#f0f4f8;--card-bg:#fff;--border:#e2e8f0;--radius:12px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-lg:0 10px 25px #0000001a;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}html{-webkit-font-smoothing:antialiased;font-size:16px}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}#root{width:min(760px,100% - 32px);max-width:760px;margin:0 auto;padding:16px}.header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:20px;padding:12px 0 16px;display:flex}.header-left{align-items:center;gap:10px;display:flex}.header-logo{background:linear-gradient(135deg, var(--primary), #7c3aed);color:#fff;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex}.header-title{color:var(--text);font-size:20px;font-weight:700;line-height:1.3}.header-title span{color:var(--primary)}.header-badge{background:var(--success);color:#fff;vertical-align:middle;border-radius:20px;margin-left:6px;padding:2px 8px;font-size:11px;font-weight:600}.header-subtitle{color:var(--text-muted);margin-top:2px;font-size:13px}.settings-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border-radius:8px;padding:6px 12px;font-size:14px;transition:all .2s}.settings-btn:hover{border-color:var(--primary);color:var(--primary)}.tabs{-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:6px;margin-bottom:16px;padding:2px 0;display:flex;overflow-x:auto}.tabs::-webkit-scrollbar{display:none}.tab{border:1px solid 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var(--border);border-radius:12px;margin-bottom:16px;padding:16px}.qr-area p{margin-bottom:4px;font-size:13px}.qr-tip{color:var(--text-muted);margin-top:8px;font-size:12px}.verify-input{border:1px solid var(--border);text-align:center;border-radius:8px;width:100%;margin-bottom:10px;padding:10px 14px;font-size:14px}.verify-input:focus{border-color:var(--primary);outline:none}.btn-close-modal{border:1px solid var(--border);width:100%;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;margin-top:8px;padding:10px;font-size:14px}.btn-close-modal:hover{border-color:var(--text-muted)}.settings-input{border:1px solid var(--border);border-radius:8px;width:100%;margin-bottom:12px;padding:10px 14px;font-size:14px}.settings-input:focus{border-color:var(--primary);outline:none}.settings-hint{color:var(--text-muted);margin-bottom:16px;font-size:12px;line-height:1.5}.info-banner{color:#92400e;background:#fefce8;border:1px solid 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.2s}.image-upload-placeholder:hover{border-color:var(--primary);background:var(--primary-light)}.upload-icon{margin-bottom:6px;font-size:32px}.upload-text{color:var(--text-muted);margin-bottom:4px;font-size:14px;font-weight:600}.upload-hint{color:#94a3b8;font-size:12px}.image-preview-wrapper{border:1px solid var(--border);border-radius:10px;position:relative;overflow:hidden}.image-preview{object-fit:contain;background:#fafbfc;width:100%;max-height:300px;display:block}.image-remove-btn{color:#fff;cursor:pointer;background:#0009;border:none;border-radius:6px;padding:4px 10px;font-size:12px;transition:all .2s;position:absolute;top:8px;right:8px}.image-remove-btn:hover{background:#000c}.loading-dots:after{content:"";animation:1.5s infinite dots}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.footer{text-align:center;color:var(--text-muted);padding:20px 0 10px;font-size:12px}.footer a{color:var(--primary);text-decoration:none}@media 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