:root{--primary-50: #f0fdfa;--primary-100: #ccfbf1;--primary-500: #14b8a6;--primary-600: #0d9488;--primary-700: #0f766e;--primary-800: #115e59;--primary-900: #134e4a;--bg-canvas: #fafaf9;--bg-surface: #ffffff;--bg-subtle: #f5f5f4;--border-default: #e7e5e4;--border-strong: #d6d3d1;--text-primary: #1c1917;--text-secondary: #57534e;--text-tertiary: #a8a29e;--text-disabled: #d6d3d1;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--info: #2563eb;--accent: #b45309;--chart-seq: #0d9488;--chart-cat: #0d9488, #3b82f6, #6366f1, #8b5cf6, #f59e0b, #64748b;--e1: 0 1px 2px rgba(28, 25, 23, .06);--e2: 0 1px 3px rgba(28, 25, 23, .08), 0 4px 12px rgba(28, 25, 23, .06);--e3: 0 4px 8px -2px rgba(28, 25, 23, .1), 0 12px 24px -6px rgba(28, 25, 23, .08);--e4: 0 24px 48px -12px rgba(28, 25, 23, .18);--r-sm: 8px;--r-md: 10px;--r-lg: 12px;--r-xl: 16px;--r-full: 999px;--font-serif: "Noto Serif SC", "Source Serif 4", "Songti SC", "SimSun", serif;--font-sans: "Noto Sans SC", "Inter", "PingFang SC", 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var(--border-strong);background:var(--bg-surface);color:var(--text-tertiary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;font-family:var(--font-mono);transition:all var(--t-base);z-index:1}.step-name{font-size:13px;color:var(--text-tertiary);transition:color var(--t-base)}.step.done .step-dot{background:var(--primary-600);border-color:var(--primary-600);color:#fff}.step.done .step-name{color:var(--text-secondary);font-weight:500}.step.current .step-dot{border-color:var(--primary-600);color:var(--primary-700);background:var(--primary-50);box-shadow:0 0 0 4px #0d948826}.step.current 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var(--border-default);border-radius:var(--r-xl);box-shadow:var(--e2);padding:40px 36px}.auth-brand{text-align:center;margin-bottom:28px}.auth-brand .logo-mark{margin:0 auto 14px;width:44px;height:44px;border-radius:12px}.auth-brand-title{font-family:var(--font-serif);font-size:22px;font-weight:700}.auth-brand-sub{margin-top:6px;font-size:13px;color:var(--text-tertiary)}.auth-switch{display:flex;gap:24px;justify-content:center;margin-bottom:24px}.auth-switch a{font-size:14px;color:var(--text-tertiary);padding-bottom:6px;border-bottom:2px solid transparent}.auth-switch a.active{color:var(--primary-700);font-weight:600;border-bottom-color:var(--primary-700)}.auth-footer{margin-top:20px;text-align:center;font-size:13px;color:var(--text-tertiary)}.verify-ok{text-align:center;padding:12px 0}.verify-ok .state-icon{margin:0 auto 16px}.search-layout{display:grid;grid-template-columns:1fr 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