.doc-header{position:sticky;top:0;z-index:5;background:var(--bg-header);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid var(--border-subtle);padding:16px 32px;display:flex;align-items:center;justify-content:space-between}.doc-header-logo{font-size:16px;font-weight:800;letter-spacing:-.5px;color:var(--text-primary)}.doc-header-logo .dot{color:var(--gm-blue)}.doc-header-crumb{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:10px}.doc-header-crumb svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.5}.doc-header-crumb .current{color:var(--text-primary);font-weight:600}.doc-body{position:relative;z-index:1;padding:64px 32px 96px}.doc-card{max-width:720px;margin:0 auto;background:var(--bg-card-strong);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg-glass);padding:56px 56px 48px}.doc-hero{margin-bottom:48px;padding-bottom:32px;border-bottom:1px solid var(--border-subtle)}.doc-title{font-size:38px;font-weight:800;letter-spacing:-.8px;margin:0 0 14px;color:var(--text-primary)}.doc-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.meta-pill{display:inline-flex;align-items:center;gap:7px;padding:5px 14px;background:var(--bg-pill);border:1px solid var(--border-soft);border-radius:var(--radius-pill);font-size:12.5px;font-weight:500;color:var(--text-secondary);box-shadow:var(--shadow-sm-glass)}.meta-pill svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.7}.meta-pill.accent-blue{background:rgba(232,240,254,.7);border-color:rgba(26,115,232,.18);color:var(--gm-blue)}.doc-section{margin-bottom:36px}.doc-section h2{display:flex;gap:14px;font-size:20px;margin:0 0 14px;color:var(--text-primary);letter-spacing:-.2px}.doc-section h2,.section-num{align-items:center;font-weight:700}.section-num{display:inline-flex;justify-content:center;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--gm-blue),#4285f4);color:white;font-size:13px;flex-shrink:0;box-shadow:0 2px 6px rgba(26,115,232,.28)}.doc-section p{font-size:15px;line-height:1.75;color:var(--text-body);margin:0 0 14px}.doc-section p:last-child{margin-bottom:0}.doc-section p strong{color:var(--text-primary);font-weight:600}.doc-section a{color:var(--gm-blue);text-decoration:none;font-weight:500;border-bottom:1px solid rgba(26,115,232,.3);transition:border-bottom-color .18s var(--ease-out)}.doc-section a:hover{border-bottom-color:var(--gm-blue)}.doc-section ul{list-style:none;padding:0;margin:0 0 14px}.doc-section ul li{position:relative;padding-right:22px;margin-bottom:10px;font-size:15px;line-height:1.65;color:var(--text-body)}.doc-section ul li:before{content:"";position:absolute;right:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gm-blue);opacity:.7}.doc-section ul li strong{color:var(--text-primary);font-weight:600}.doc-section code{font-family:JetBrains Mono,ui-monospace,monospace;font-size:13px;background:rgba(26,115,232,.08);color:var(--gm-blue);border:1px solid rgba(26,115,232,.16);padding:1px 7px;border-radius:6px}.doc-footer{position:relative;z-index:1;max-width:720px;margin:32px auto 0;padding:20px 24px;background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-md);box-shadow:var(--shadow-sm-glass);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.doc-footer a{color:var(--text-secondary);text-decoration:none;font-size:13.5px;font-weight:500;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-pill);transition:background .18s var(--ease-out),color .18s var(--ease-out)}.doc-footer a:hover{background:var(--bg-pill);color:var(--gm-blue)}.doc-footer a svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.doc-footer-cross{color:var(--gm-blue)!important;font-weight:600!important}@media (max-width:640px){.doc-header{padding:12px 20px}.doc-header-crumb{font-size:12px;gap:6px}.doc-body{padding:32px 16px 64px}.doc-card{padding:32px 24px}.doc-title{font-size:28px}.doc-section h2{font-size:18px}.doc-footer{margin-top:20px;padding:16px 18px}}