:root{--primary-color:#06f;--primary-hover:#004edb;--primary-light:#e6f0ff;--primary-glow:rgba(0,102,255,.18);--accent-color:#00c8ff;--success-color:#10b981;--success-hover:#059669;--danger-color:#ef4444;--danger-hover:#dc2626;--bg-color:#f8fafc;--card-bg:#fff;--card-border:#e2e8f0;--card-border-hover:#cbd5e1;--border-color:#e2e8f0;--border-focus:#06f;--text-color:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--code-bg:#0f172a;--code-text:#e2e8f0;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--max-width:1200px;--transition:all .2s cubic-bezier(.4, 0, .2, 1);--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-card:0 4px 6px -1px rgba(0,0,0,.05), 0 2px 4px -2px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-sans);flex-direction:column;min-height:100vh;line-height:1.6;display:flex;overflow-x:hidden}.app-container{max-width:var(--max-width);flex-direction:column;flex:1;width:100%;margin:0 auto;padding:20px 16px;display:flex}.app-body{width:100%}.toolbox-badge-wrapper{flex-wrap:wrap;align-items:center;gap:8px;width:100%;margin-bottom:12px;display:flex}.toolbox-badge{color:var(--primary-color);transition:var(--transition);background:rgba(0,102,255,.06);border:1px solid rgba(0,102,255,.15);border-radius:6px;align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:600;text-decoration:none;display:inline-flex}.toolbox-badge svg{fill:currentColor;width:12px;height:12px}.toolbox-badge:hover{background:rgba(0,102,255,.12);border-color:rgba(0,102,255,.3);transform:translateY(-1px)}.brand-section{justify-content:space-between;align-items:center;gap:24px;width:100%;margin-bottom:16px;display:flex}.brand-info{flex-direction:column;flex:1;align-items:flex-start;min-width:0;display:flex}.app-header{margin-bottom:8px}.app-title{color:var(--text-color);letter-spacing:-.02em;margin-bottom:8px;font-size:24px;font-weight:800;line-height:1.25}.app-description{color:var(--text-muted);max-width:760px;font-size:13.5px;line-height:1.5}.header-ad{background:0 0;justify-content:flex-end;align-items:center;min-width:728px;height:90px;display:flex}.interactive-preview-card{background:var(--card-bg);border:1px solid var(--card-border);box-shadow:var(--shadow-card);transition:var(--transition);border-radius:12px;margin-bottom:24px;padding:16px}.preview-nav-header{border-bottom:1px solid var(--card-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;padding-bottom:12px;display:flex}.preview-nav-title{color:var(--text-color);align-items:center;gap:8px;font-size:14px;font-weight:700;display:flex}.preview-nav-desc{color:var(--text-muted);flex:1;min-width:240px;font-size:12px}.structure-tabs{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.structure-tab-btn{color:var(--text-color);cursor:pointer;transition:var(--transition);background:#f1f5f9;border:1px solid transparent;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;font-size:12.5px;font-weight:600;display:inline-flex}.structure-tab-btn:hover{background:#e2e8f0;border-color:#cbd5e1}.structure-tab-btn.active{background:var(--primary-light);color:var(--primary-color);border-color:rgba(0,102,255,.35);box-shadow:0 0 0 1px rgba(0,102,255,.15)}.tab-badge{color:var(--primary-color);background:rgba(0,102,255,.12);border-radius:10px;padding:1px 6px;font-size:10px;font-weight:700}.code-viewer-container{background:var(--code-bg);border-radius:8px;position:relative;overflow:hidden}.code-viewer-toolbar{background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.1);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:8px 14px;display:flex}.viewer-label{font-family:var(--font-mono);color:#94a3b8;align-items:center;gap:6px;font-size:12px;display:flex}.viewer-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.btn{cursor:pointer;transition:var(--transition);border:1px solid transparent;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-success{background:var(--success-color);color:#fff}.btn-success:hover{background:var(--success-hover)}.btn-outline-light{color:#f1f5f9;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.35)}.btn-sm{padding:4px 10px;font-size:11.5px}.code-display{font-family:var(--font-mono);color:var(--code-text);white-space:pre;max-height:480px;padding:14px 16px;font-size:12.5px;line-height:1.55;overflow-x:auto}.cta-banner{background:linear-gradient(135deg,#f0f7ff 0%,#e0efff 100%);border:1.5px solid rgba(0,102,255,.25);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:14px;padding:16px 20px;display:flex}.cta-text{flex:1;min-width:260px}.cta-title{color:#004edb;margin-bottom:2px;font-size:14px;font-weight:700}.cta-desc{color:#334155;font-size:12.5px}.guide-article{flex-direction:column;gap:24px;margin-top:12px;display:flex}.article-header{border-bottom:1.5px solid var(--border-color);padding-bottom:12px}.article-main-title{color:var(--text-color);letter-spacing:-.01em;margin-bottom:6px;font-size:22px;font-weight:800}.article-subtitle{color:var(--text-muted);font-size:13.5px}.article-block{background:var(--card-bg);border:1px solid var(--card-border);box-shadow:var(--shadow-sm);border-radius:12px;padding:20px 22px}.block-title{color:var(--text-color);align-items:center;gap:8px;margin-bottom:10px;font-size:17px;font-weight:700;display:flex}.block-text{color:#334155;margin-bottom:14px;font-size:13.5px;line-height:1.65}.block-text strong{color:var(--text-color)}.block-text code{color:#d946ef;font-family:var(--font-mono);background:#f1f5f9;border:1px solid #e2e8f0;border-radius:4px;padding:2px 5px;font-size:12px}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:12px;display:grid}.feature-card{border:1px solid var(--border-color);transition:var(--transition);background:#f8fafc;border-radius:8px;padding:14px 16px}.feature-card:hover{box-shadow:var(--shadow-sm);background:#fff;border-color:#cbd5e1}.feature-card-header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.feature-card-icon{font-size:18px}.feature-card h4{color:var(--text-color);font-size:14px;font-weight:700}.feature-card p{color:var(--text-muted);font-size:12.5px;line-height:1.5}.table-card{border:1px solid var(--border-color);border-radius:8px;margin-top:10px;overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%;font-size:12.5px}.data-table th{color:var(--text-color);border-bottom:1.5px solid var(--border-color);background:#f1f5f9;padding:10px 12px;font-weight:700}.data-table td{border-bottom:1px solid var(--border-color);color:#334155;vertical-align:top;padding:10px 12px}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#f8fafc}.data-table code{font-family:var(--font-mono);color:#06f;background:rgba(0,102,255,.06);border-radius:4px;padding:2px 4px;font-size:11.5px}.type-tag{font-family:var(--font-mono);color:#475569;background:#e2e8f0;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600;display:inline-block}.req-tag{border-radius:4px;padding:2px 6px;font-size:11px;font-weight:700;display:inline-block}.req-tag.required{color:#b91c1c;background:#fee2e2}.req-tag.recommended{color:#92400e;background:#fef3c7}.req-tag.optional{color:#0369a1;background:#e0f2fe}.code-box{background:var(--code-bg);border-radius:8px;margin-top:10px;overflow:hidden}.code-box pre{margin:0;padding:14px 16px;overflow-x:auto}.code-box code{font-family:var(--font-mono);color:#e2e8f0;background:0 0;border:none;padding:0;font-size:12px;line-height:1.5}.steps-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:12px;display:grid}.step-card{border:1px solid var(--border-color);background:#f8fafc;border-radius:8px;padding:14px 16px;position:relative}.step-badge{color:var(--primary-color);background:var(--primary-light);border-radius:12px;margin-bottom:8px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.step-card h4{color:var(--text-color);margin-bottom:4px;font-size:13.5px;font-weight:700}.step-card p{color:var(--text-muted);font-size:12px;line-height:1.5}.faq-accordion{flex-direction:column;gap:10px;margin-top:10px;display:flex}.faq-card{border:1px solid var(--border-color);transition:var(--transition);background:#f8fafc;border-radius:8px;padding:14px 16px}.faq-card:hover{background:#fff;border-color:#cbd5e1}.faq-title{color:var(--text-color);margin-bottom:6px;font-size:14px;font-weight:700}.faq-desc{color:#334155;font-size:12.5px;line-height:1.55}.app-footer{border-top:1px solid var(--border-color);background:var(--card-bg);margin-top:32px;padding:20px 16px}.footer-content{max-width:var(--max-width);justify-content:center;align-items:center;margin:0 auto;display:flex}.footer-links{flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;display:flex}.footer-link{color:var(--text-muted);transition:var(--transition);font-size:12px;text-decoration:none}.footer-link:hover{color:var(--primary-color)}.toast{color:#fff;z-index:9999;opacity:0;pointer-events:none;background:#0f172a;border-radius:8px;padding:10px 18px;font-size:12.5px;font-weight:600;transition:all .3s;position:fixed;bottom:24px;right:24px;transform:translateY(10px);box-shadow:0 10px 15px -3px rgba(0,0,0,.2)}.toast.show{opacity:1;transform:translateY(0)}@media (max-width:992px){.brand-section{flex-direction:column;align-items:flex-start;gap:16px}.header-ad{display:none}}@media (max-width:768px){.app-title{font-size:20px}.article-main-title{font-size:18px}.block-title{font-size:15px}.structure-tabs{flex-direction:column}.structure-tab-btn{justify-content:space-between;width:100%}.feature-grid,.steps-grid{grid-template-columns:1fr}}