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0.16);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--transition-fast:150ms cubic-bezier(0.4, 0, 0.2, 1);--transition-base:200ms cubic-bezier(0.4, 0, 0.2, 1);--transition-slow:300ms cubic-bezier(0.4, 0, 0.2, 1);--max-width-content:1024px;--max-width-wide:1280px;--sidebar-width:280px;--header-height:64px}.dark{--color-bg-primary:#000000;--color-bg-secondary:#1C1C1E;--color-bg-tertiary:#2C2C2E;--color-bg-overlay:rgba(0, 0, 0, 0.6);--color-text-primary:#F5F5F7;--color-text-secondary:#AEAEB2;--color-text-tertiary:#8E8E93;--color-border:#38383A;--color-border-subtle:#2C2C2E;--color-border-strong:#636366;--color-accent:#0A84FF;--color-accent-hover:#409CFF;--color-accent-active:#0051D5;--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.3);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.4);--shadow-lg:0 8px 24px rgba(0, 0, 0, 0.5);--shadow-xl:0 16px 48px rgba(0, 0, 0, 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var(--space-6);height:100%}.handbook-header-content{display:flex;align-items:center;justify-content:space-between;height:100%}.handbook-logo{display:flex;align-items:center;text-decoration:none;font-size:20px;font-weight:600;letter-spacing:-.01em;color:var(--color-text-primary);transition:opacity var(--transition-fast)}.handbook-logo:hover{opacity:.7}.handbook-header-nav{display:flex;align-items:center;gap:var(--space-8)}.handbook-header-link{font-size:15px;font-weight:400;color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast);position:relative}.handbook-header-link:hover{color:var(--color-text-primary)}.handbook-header-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background-color:var(--color-accent);transition:width 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48px;font-size:17px;font-family:var(--font-sans);color:var(--color-text-primary);background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base);outline:none}.search-input:focus{background-color:var(--color-bg-primary);border-color:var(--color-accent);box-shadow:0 0 0 4px rgba(0,113,227,.1)}.search-input::placeholder{color:var(--color-text-tertiary)}.search-results{position:absolute;top:calc(100% + var(--space-2));left:0;right:0;background-color:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);max-height:480px;overflow-y:auto;z-index:100;display:none}.search-results.active{display:block}.search-result-item{display:block;padding:var(--space-4)var(--space-5);text-decoration:none;color:var(--color-text-primary);border-bottom:.5px solid var(--color-border-subtle);transition:background-color 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a{color:inherit;text-decoration:none}.handbook-article-card-link:hover h2,.handbook-article-card-link:hover h3{color:var(--color-accent)}.handbook-article-description{margin:0 0 var(--space-4);font-size:15px;line-height:1.5;color:var(--color-text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.handbook-article-meta{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap;font-size:13px;color:var(--color-text-tertiary)}.handbook-badge{display:inline-flex;align-items:center;padding:var(--space-1)var(--space-3);font-size:12px;font-weight:500;border-radius:var(--radius-full);background-color:var(--color-bg-secondary);color:var(--color-text-secondary);border:.5px solid var(--color-border-subtle);white-space:nowrap}.handbook-badge-policies{background-color:rgba(0,113,227,.1);color:var(--color-accent);border-color:rgba(0,113,227,.2)}.handbook-badge-blog{background-color:rgba(255,149,0,.1);color:var(--color-warning);border-color:rgba(255,149,0,.2)}.handbook-article-meta time{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.handbook-container{display:flex;min-height:calc(100vh - var(--header-height));max-width:var(--max-width-wide);margin:0 auto}.handbook-sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);padding:var(--space-8)var(--space-6);background-color:var(--color-bg-secondary);border-right:.5px solid var(--color-border-subtle);overflow-y:auto;position:sticky;top:var(--header-height);height:calc(100vh - var(--header-height))}.handbook-nav-section{margin-bottom:var(--space-8)}.handbook-nav-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-tertiary);margin:0 0 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p{font-size:21px;line-height:1.381;color:var(--color-text-secondary);max-width:680px;margin:0}.handbook-home-sections{display:flex;flex-direction:column;gap:var(--space-16)}.handbook-section-title{font-size:32px;font-weight:700;line-height:1.125;letter-spacing:-.01em;margin:0 0 var(--space-2);color:var(--color-text-primary)}.handbook-section-title a{color:inherit;text-decoration:none}.handbook-section-description{font-size:17px;color:var(--color-text-secondary);margin:0 0 var(--space-8)}.handbook-article-list{display:grid;gap:var(--space-4)}.handbook-section-more{margin-top:var(--space-6);padding-top:var(--space-6);border-top:.5px solid var(--color-border-subtle)}.handbook-section-more a{font-size:17px;font-weight:500;color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}.handbook-section-more a:hover{color:var(--color-accent-hover)}.handbook-single-page{width:100%}.handbook-breadcrumbs{display:flex;align-items:center;gap:var(--space-2);font-size:13px;color:var(--color-text-tertiary);margin-bottom:var(--space-6)}.handbook-breadcrumbs a{color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.handbook-breadcrumbs a:hover{color:var(--color-text-primary)}.handbook-breadcrumbs-separator{color:var(--color-border-strong)}.handbook-breadcrumbs-current{color:var(--color-text-primary)}.handbook-page-header{margin-bottom:var(--space-12);padding-bottom:var(--space-8);border-bottom:.5px solid var(--color-border-subtle)}.handbook-page-title{font-size:40px;font-weight:700;line-height:1.1;letter-spacing:-.02em;margin:0 0 var(--space-4);color:var(--color-text-primary)}.handbook-page-description{font-size:19px;line-height:1.421;color:var(--color-text-secondary);margin:0 0 var(--space-6)}.handbook-content{font-size:17px;line-height:1.64706;color:var(--color-text-primary)}.handbook-content h2{font-size:32px;font-weight:700;line-height:1.125;letter-spacing:-.01em;margin:var(--space-12)0 var(--space-6);padding-bottom:var(--space-4);border-bottom:.5px solid var(--color-border-subtle)}.handbook-content h3{font-size:24px;font-weight:600;line-height:1.16667;margin:var(--space-10)0 var(--space-4)}.handbook-content h4{font-size:19px;font-weight:600;line-height:1.21053;margin:var(--space-8)0 var(--space-3)}.handbook-content p{margin:0 0 var(--space-6)}.handbook-content a{color:var(--color-accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--transition-fast)}.handbook-content a:hover{border-bottom-color:var(--color-accent)}.handbook-content code{font-family:var(--font-mono);font-size:15px;background-color:var(--color-bg-secondary);padding:var(--space-1)var(--space-2);border-radius:var(--radius-sm);color:var(--color-text-primary)}.handbook-content pre{background-color:var(--color-bg-secondary);padding:var(--space-5);border-radius:var(--radius-md);overflow-x:auto;margin:var(--space-6)0;border:.5px solid var(--color-border-subtle)}.handbook-content pre code{background:0 0;padding:0}.handbook-content ul,.handbook-content ol{margin:0 0 var(--space-6);padding-left:var(--space-6)}.handbook-content li{margin-bottom:var(--space-2)}.handbook-content blockquote{margin:var(--space-6)0;padding-left:var(--space-6);border-left:3px solid var(--color-accent);color:var(--color-text-secondary);font-style:italic}.handbook-page-footer{margin-top:var(--space-16);padding-top:var(--space-8);border-top:.5px solid var(--color-border-subtle)}.handbook-footer-label{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-tertiary);margin-bottom:var(--space-4)}.handbook-footer-badges{display:flex;flex-wrap:wrap;gap:var(--space-2)}.handbook-list-page{width:100%}.handbook-pagination{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-12);padding-top:var(--space-8);border-top:.5px solid var(--color-border-subtle)}.handbook-pagination-link{padding:var(--space-3)var(--space-5);font-size:15px;font-weight:500;color:var(--color-accent);text-decoration:none;border-radius:var(--radius-sm);transition:background-color var(--transition-fast)}.handbook-pagination-link:hover{background-color:var(--color-bg-secondary)}.handbook-pagination-info{font-size:15px;color:var(--color-text-tertiary)}.handbook-empty-state{padding:var(--space-20)var(--space-6);color:var(--color-text-tertiary)}.handbook-empty-state h2{font-size:24px;font-weight:600;margin-bottom:var(--space-3);color:var(--color-text-secondary)}@media(max-width:1024px){.handbook-sidebar{display:none}.handbook-main{padding:var(--space-8)var(--space-6)}.handbook-header-nav{gap:var(--space-4)}.handbook-header-link{font-size:14px}}@media(max-width:768px){:root{--header-height:56px}.handbook-header-container{padding:0 var(--space-4)}.handbook-header-nav{display:none}.handbook-main{padding:var(--space-6)var(--space-4)}.handbook-home-intro h1{font-size:40px}.handbook-home-intro p{font-size:19px}.handbook-section-title{font-size:28px}.handbook-page-title{font-size:32px}.handbook-article-card{padding:var(--space-5)}.handbook-article-card h2,.handbook-article-card h3{font-size:18px}.search-container{margin-bottom:var(--space-12)}.search-input{height:48px;font-size:16px}}@media(max-width:480px){.handbook-home-intro 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