*,:before,:after{box-sizing:border-box}body{margin:0}#root{width:100%;min-height:100vh}:root{--primary:#3b5bdb;--primary-light:#edf2ff;--primary-dark:#1e3a8a;--accent:#4c6ef5;--bg:#f8f9fc;--surface:#fff;--border:#e5e7eb;--text:#1f2937;--text-muted:#6b7280;--text-light:#9ca3af;--sidebar-w:272px;--topbar-h:56px;--radius:10px;--shadow:0 1px 3px #00000014, 0 4px 12px #0000000f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.7}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:100;align-items:center;gap:12px;padding:0 16px;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 1px 4px #0000000f}.topbar-brand{align-items:center;gap:8px;display:flex}.topbar-logo{color:var(--primary);letter-spacing:-.3px;font-size:17px;font-weight:700}.topbar-sep{color:var(--text-light);font-size:13px}.topbar-subtitle{color:var(--text-muted);font-size:13px;font-weight:500}.layout{padding-top:var(--topbar-h);min-height:100vh;display:flex}.menu-btn{cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:none}.menu-btn:hover{background:var(--bg)}.hamburger,.hamburger:before,.hamburger:after{background:var(--text);border-radius:2px;width:20px;height:2px;transition:transform .25s,opacity .25s;display:block;position:relative}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0}.hamburger:before{top:-6px}.hamburger:after{top:6px}.hamburger--open{background:0 0}.hamburger--open:before{transform:translateY(6px)rotate(45deg)}.hamburger--open:after{transform:translateY(-6px)rotate(-45deg)}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);top:var(--topbar-h);height:calc(100vh - var(--topbar-h));flex-direction:column;flex-shrink:0;display:flex;position:sticky;overflow-y:auto}.sidebar-header{border-bottom:1px solid var(--border);flex-direction:column;gap:2px;padding:20px 16px 16px;display:flex}.sidebar-logo{color:var(--primary);font-size:15px;font-weight:700}.sidebar-subtitle{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:500}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}.nav-group{flex-direction:column;display:flex}.nav-item{cursor:pointer;text-align:left;width:100%;color:var(--text);background:0 0;border:none;border-radius:0;align-items:center;gap:8px;padding:7px 16px;font-size:13px;line-height:1.4;transition:background 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12px;font-size:11px;font-weight:700;display:inline-block}.doc-title{color:var(--text);letter-spacing:-.5px;margin-bottom:12px;font-size:28px;font-weight:800}.doc-meta{color:var(--text-muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-bottom:12px;font-size:13px;display:flex}.dot{color:var(--text-light)}.doc-contact{color:var(--primary);font-size:13px}.section{scroll-margin-top:calc(var(--topbar-h) + 16px);margin-bottom:56px}.section-header{border-bottom:2px solid var(--primary-light);align-items:center;gap:12px;margin-bottom:20px;padding-bottom:12px;display:flex}.section-number{background:var(--primary);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:800;display:flex}.section-title{color:var(--text);letter-spacing:-.3px;font-size:20px;font-weight:700}.section-body p{color:var(--text);margin-bottom:12px}.section-body p:last-child{margin-bottom:0}.subsection{border-left:3px solid var(--border);scroll-margin-top:calc(var(--topbar-h) + 16px);margin-bottom:28px;padding-left:16px}.subsection:last-child{margin-bottom:0}.subsection-title{color:var(--primary-dark);align-items:baseline;gap:6px;margin-bottom:10px;font-size:14px;font-weight:700;display:flex}.subsection-number{color:var(--text-muted);min-width:28px;font-size:11px;font-weight:700}.subsection-body p{margin-bottom:10px;font-size:14.5px}.subsection-body p:last-child{margin-bottom:0}ul,ol{margin-bottom:12px;padding-left:20px}li{margin-bottom:5px;font-size:14.5px}ol{padding-left:22px}ol li{margin-bottom:8px}.list--check{padding-left:0;list-style:none}.list--check li:before{content:"✓ ";color:#16a34a;font-weight:700}.list--cross{padding-left:0;list-style:none}.list--cross li:before{content:"✗ ";color:#dc2626;font-weight:700}.callout{border-radius:var(--radius);margin-bottom:14px;padding:14px 16px;font-size:14px;line-height:1.6}.callout--info{color:#1e40af;background:#eff6ff;border-left:4px solid 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