:root{--primary-50: #eef4ff;--primary-100: #dbe6ff;--primary-200: #bcd0ff;--primary-500: #2f6fed;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary: var(--primary-600);--primary-hover: var(--primary-700);--primary-ring: rgba(37, 99, 235, .28);--danger: #dc2626;--danger-bg: #fef2f2;--danger-border: #fecaca;--warning: #b45309;--warning-bg: #fff8eb;--warning-border: #fde3b0;--success: #15803d;--success-bg: #f0fdf4;--success-border: #bbf7d0;--info: var(--primary);--info-bg: var(--primary-50);--info-border: var(--primary-100);--text: #1a1d23;--text-secondary: #556070;--muted: #8a94a3;--border: #e4e8ef;--border-strong: #d3d9e2;--bg: #f5f7fa;--surface: #ffffff;--surface-sunken: #f2f4f7;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-8: 48px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-card: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 16px rgba(16, 24, 40, .06);--shadow-pop: 0 8px 28px rgba(16, 24, 40, .12);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--ease-out: cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-sans);color:var(--text);background:var(--bg);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{color:var(--text);font-weight:650;letter-spacing:-.02em;line-height:1.3;text-wrap:balance}h2{font-size:20px;margin:0}h3{font-size:16px;margin:0}h4{font-size:14.5px;font-weight:620;margin:0}p{margin:0}small,.muted{color:var(--muted)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea{width:100%;height:42px;padding:0 12px;font-family:inherit;font-size:14px;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);outline:none;transition:border-color .15s var(--ease-out),box-shadow .15s var(--ease-out);-webkit-appearance:none;-moz-appearance:none;appearance:none}textarea{height:auto;padding:10px 12px;line-height:1.6;resize:vertical}input::placeholder,textarea::placeholder{color:var(--muted)}input:hover:not(:disabled),select:hover:not(:disabled),textarea:hover:not(:disabled){border-color:#b7c0cd}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-ring)}input:disabled,select:disabled,textarea:disabled{background:var(--surface-sunken);color:var(--muted);cursor:not-allowed;border-color:var(--border)}select{padding-right:34px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a94a3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 12px center;cursor:pointer}input.is-error,select.is-error{border-color:var(--danger)}input.is-error:focus{box-shadow:0 0 0 3px #dc262638}.consent-option{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);color:var(--text-secondary);font-size:13px;line-height:1.6;cursor:pointer;transition:border-color .15s var(--ease-out),background .15s var(--ease-out),box-shadow .15s var(--ease-out)}.consent-option:hover{border-color:var(--primary-500);background:var(--primary-50)}.consent-option:focus-within{box-shadow:0 0 0 3px var(--primary-ring)}.consent-option.consent-checked{border-color:var(--primary-500);background:var(--primary-50);color:var(--text)}.consent-checkbox{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:22px;height:22px;flex:0 0 22px;margin:1px 0 0;border:2px solid var(--border-strong);border-radius:6px;background:var(--surface);cursor:pointer;position:relative}.consent-checkbox:checked{border-color:var(--primary);background:var(--primary)}.consent-checkbox:checked:after{content:"";position:absolute;width:6px;height:11px;left:6px;top:2px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.consent-copy{flex:1}.consent-state{display:block;margin-top:4px;color:var(--primary-700);font-size:12px;font-weight:600}button{font-family:inherit;font-size:14px;font-weight:600;height:42px;padding:0 18px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--primary);color:#fff;cursor:pointer;transition:background .15s var(--ease-out),border-color .15s var(--ease-out),transform .08s var(--ease-out),box-shadow .15s var(--ease-out)}button:hover:not(:disabled){background:var(--primary-hover)}button:active:not(:disabled){transform:translateY(1px)}button:focus-visible{box-shadow:0 0 0 3px var(--primary-ring)}button:disabled{opacity:.5;cursor:not-allowed}button.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}button.btn-secondary:hover:not(:disabled){background:var(--surface-sunken);border-color:#b7c0cd}button.btn-danger{background:var(--danger)}button.btn-danger:hover:not(:disabled){background:#b91c1c}button.btn-ghost{background:transparent;color:var(--text-secondary);border-color:transparent;height:auto;padding:6px 10px}button.btn-ghost:hover:not(:disabled){background:var(--surface-sunken)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:var(--space-5)}.alert{padding:10px 14px;border-radius:var(--radius-md);font-size:13px;line-height:1.55}.alert-info{background:var(--info-bg);color:#1e40af;border:1px solid var(--info-border)}.alert-warning{background:var(--warning-bg);color:var(--warning);border:1px solid var(--warning-border)}.alert-danger{background:var(--danger-bg);color:#b91c1c;border:1px solid var(--danger-border)}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.lang-switch{display:flex;gap:4px;background:var(--surface-sunken);padding:3px;border-radius:var(--radius-pill)}.lang-switch button{height:30px;padding:0 12px;font-size:13px;border-radius:var(--radius-pill);background:transparent;color:var(--text-secondary);border:none;font-weight:550}.lang-switch button:hover:not(.is-active){color:var(--text)}.lang-switch button.is-active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}.field-label{font-size:13px;font-weight:600;color:var(--text)}.field-help{font-size:12.5px;color:var(--muted);line-height:1.5}.field-error{font-size:12.5px;color:var(--danger)}button.node-card{height:auto;padding:12px;text-align:left;font-weight:400;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);transition:border-color .15s var(--ease-out),box-shadow .15s var(--ease-out),transform .08s var(--ease-out)}button.node-card:hover:not(:disabled){border-color:var(--primary);box-shadow:var(--shadow-sm)}button.node-card:active:not(:disabled){transform:translateY(1px)}button.node-card:focus-visible{box-shadow:0 0 0 3px var(--primary-ring)}button.node-card:disabled{cursor:default}