:root{--bg:#f4f7fb;--surface:#fff;--text:#1d2430;--muted:#5b6677;--accent:#0b6fcf;--accent-2:#00a884;--border:#d7dfeb;--code-bg:#ecf2fa}*{box-sizing:border-box}body{color:var(--text);background:radial-gradient(900px 350px at 20% -10%, #d8ecff 0%, transparent 60%), radial-gradient(800px 300px at 90% -20%, #c9ffe8 0%, transparent 65%), var(--bg);margin:0;font-family:Segoe UI,Noto Sans,Helvetica Neue,sans-serif;line-height:1.55}a{color:var(--accent)}.container{width:min(980px,100% - 32px);margin:0 auto;padding:24px 0 42px}header{border:1px solid var(--border);background:var(--surface);border-radius:14px;margin-bottom:18px;padding:18px 20px}h1{margin:0;font-size:clamp(1.5rem,2.4vw,2rem)}.subtitle{color:var(--muted);margin:8px 0 0}nav{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.nav-link{color:var(--accent);border:1px solid var(--border);background:#f8fbff;border-radius:10px;padding:8px 11px;font-weight:600;text-decoration:none}.nav-link.active{color:#fff;border-color:var(--accent);background:linear-gradient(90deg, var(--accent), var(--accent-2))}.panel{border:1px solid var(--border);background:var(--surface);border-radius:14px;margin-bottom:16px;padding:18px 20px}.hero-panel{background:radial-gradient(500px 220px at 85% -25%,#d2f6ea 0%,#0000 65%),linear-gradient(#fff,#f8fcff);position:relative;overflow:hidden}.hero-badge{color:#174a83;background:#eaf4ff;border:1px solid #b9d6ff;border-radius:999px;margin:0 0 10px;padding:5px 10px;font-size:.84rem;font-weight:700;display:inline-block}.hero-title{margin-bottom:10px;font-size:clamp(1.5rem,3.2vw,2.1rem);line-height:1.2}.hero-subtitle{max-width:64ch;color:var(--muted);margin:0}.hero-cta-row{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.hero-btn{border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;min-height:40px;padding:8px 14px;font-weight:700;text-decoration:none;display:inline-flex}.hero-btn--primary{color:#fff;background:linear-gradient(90deg, var(--accent), var(--accent-2))}.hero-btn--secondary{color:var(--accent);border-color:var(--border);background:#fff}.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:16px;display:grid}.stat-card{margin-bottom:0}.stat-card h2{font-size:1.1rem}.stat-card p{color:var(--muted);margin:0}h2{margin:0 0 10px;font-size:1.3rem}ul{margin:8px 0;padding-left:20px}li{margin:6px 0}code{background:var(--code-bg);border-radius:6px;padding:1px 6px;font-family:Consolas,Cascadia Code,monospace}.footer{color:var(--muted);font-size:.95rem}.reference-layout{grid-template-columns:minmax(220px,270px) minmax(0,1fr);align-items:start;gap:16px;display:grid}.reference-sidebar{flex-direction:column;max-height:calc(100vh - 28px);display:flex;position:sticky;top:14px;overflow:hidden}.reference-sidebar h2{margin-bottom:8px}.reference-sidebar-nav{scrollbar-gutter:stable;flex-flow:column;flex:auto;align-items:stretch;gap:8px;min-height:0;margin-top:10px;padding-right:4px;display:flex;overflow-y:auto}.reference-nav-group{border:1px solid var(--border);background:#f8fbff;border-radius:10px;flex:none;width:100%;overflow:hidden}.reference-nav-group-summary{cursor:pointer;justify-content:space-between;align-items:center;gap:10px;padding:9px 10px;font-weight:600;list-style:none;display:flex}.reference-nav-group-summary::-webkit-details-marker{display:none}.reference-nav-group[open]{background:#eef6ff}.reference-nav-group-summary strong{color:#1f4f8a;background:#e6f1ff;border-radius:999px;padding:2px 7px;font-size:.83rem}.reference-nav-function-list{margin:0;padding:0 8px 8px;list-style:none}.reference-nav-function-list li{margin:0}.reference-nav-function-link{color:#173d66;border-radius:8px;padding:5px 8px;font-size:.94rem;text-decoration:none;display:block}.reference-nav-function-link:hover{background:#dcebff}.reference-content{min-width:0}.reference-group{scroll-margin-top:14px}.reference-summary-text{color:var(--muted);margin:0}.reference-function-list{flex-direction:column;gap:12px;margin:12px 0 0;padding:0;list-style:none;display:flex}.reference-function-item{border:1px solid var(--border);background:#fbfdff;border-radius:10px;margin:0;padding:12px 12px 10px}.reference-function-item p{margin:0 0 8px}.reference-signature code{background:#e8f1fc;font-weight:700}.reference-example,.reference-notes{color:var(--muted);font-size:.95rem}.operations-hero .hero-subtitle{max-width:70ch}.operations-intro-note{color:var(--muted);margin:0 0 12px}.operations-step-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.operations-step-card{border:1px solid var(--border);background:linear-gradient(#fff,#f6fbff);border-radius:12px;padding:14px}.operations-step-index{color:#205a96;background:#eaf3ff;border-radius:999px;margin:0 0 8px;padding:4px 8px;font-size:.8rem;font-weight:700;display:inline-block}.operations-step-card h3{margin:0 0 8px;font-size:1.08rem}.operations-step-card p{margin:0 0 9px}.operations-step-example{color:#2c455f}.operations-step-figure{border:1px solid var(--border);background:#edf4fc;border-radius:10px;margin:8px 0 10px;overflow:hidden}.operations-step-figure img,.operations-step-figure video{width:100%;height:auto;display:block}.operations-step-notes{margin:0}.byok-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.byok-card{border:1px solid var(--border);background:linear-gradient(#fff,#f7fbff);border-radius:12px;margin:0;padding:14px}.byok-card h3{margin:0 0 6px;font-size:1.08rem}.byok-tag{color:#205a96;background:#eaf3ff;border:1px solid #c3daf8;border-radius:999px;margin:0 0 10px;padding:3px 10px;font-size:.88rem;display:inline-block}.byok-card p{margin:0 0 8px}.byok-card ol{margin:0 0 10px;padding-left:20px}.byok-card ol li{margin:5px 0;line-height:1.5}.byok-steps{margin:10px 0 0;padding-left:22px}.byok-steps li{margin:7px 0;line-height:1.55}.byok-note{color:var(--muted);margin-top:6px;font-size:.94rem}.byok-callout{background:linear-gradient(#fff,#f2fbf7)}@media (width<=640px){.container{width:calc(100% - 20px);padding:14px 0 24px}header,.panel{border-radius:12px;padding:14px}.hero-title{font-size:1.42rem}.hero-btn{width:100%}.stat-grid,.reference-layout{grid-template-columns:1fr}.reference-sidebar{max-height:none;display:block;position:static}.reference-sidebar-nav{flex-direction:column;min-height:auto;padding-right:0;overflow-y:visible}.operations-step-grid,.byok-grid{grid-template-columns:1fr}}