.sf-feat-hero{position:relative;padding:72px 0 48px;overflow:clip}.sf-feat-hero-glow{position:absolute;inset:-20% 0 auto 0;width:100%;height:70%;background:radial-gradient(ellipse at 20% 40%,rgba(0,71,255,.1),transparent 55%),radial-gradient(ellipse at 90% 10%,rgba(59,130,246,.06),transparent 50%);pointer-events:none;z-index:0}.sf-feat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);grid-gap:clamp(28px,4vw,56px);gap:clamp(28px,4vw,56px);align-items:center}.sf-feat-hero-copy h1{font-size:clamp(2.15rem,3.6vw,3.1rem);line-height:1.06;max-width:16ch}.sf-feat-hero-copy .sf-lh-lead{max-width:46ch;margin:18px 0 26px;font-size:1.06rem;line-height:1.55;color:var(--sf-lh-muted)}.sf-feat-hero-stack{display:grid;grid-gap:10px;gap:10px;padding:18px}.sf-feat-hero-stack-row{display:flex;flex-wrap:wrap;gap:8px}.sf-feat-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;border:1px solid var(--sf-lh-border);background:var(--sf-lh-bg);font-size:.82rem;font-weight:550;color:var(--sf-lh-text)}.sf-feat-chip.is-accent{border-color:color-mix(in srgb,var(--sf-lh-primary) 35%,var(--sf-lh-border));background:color-mix(in srgb,var(--sf-lh-primary) 8%,var(--sf-lh-bg));color:var(--sf-lh-primary)}.sf-feat-chip.is-muted{color:var(--sf-lh-muted)}.sf-feat-sticky{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:var(--sf-lh-bg);border-bottom:1px solid var(--sf-lh-border)}@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){@media (prefers-reduced-motion:no-preference){.sf-feat-sticky{background:color-mix(in srgb,var(--sf-lh-bg) 92%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}}}.sf-feat-sticky-inner{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.sf-feat-sticky-inner::-webkit-scrollbar{display:none}.sf-feat-sticky-list{list-style:none;margin:0;padding:10px 0;display:flex;gap:4px;min-width:max-content}.sf-feat-sticky-list a{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border-radius:999px;font-size:.84rem;font-weight:550;color:var(--sf-lh-muted);text-decoration:none;white-space:nowrap;transition:color .15s ease,background .15s ease}.sf-feat-sticky-list a:hover{color:var(--sf-lh-text);background:var(--sf-lh-soft)}.sf-feat-sticky-list a.is-active{color:var(--sf-lh-primary);background:color-mix(in srgb,var(--sf-lh-primary) 10%,var(--sf-lh-bg))}.sf-feat-band{padding:88px 0;scroll-margin-top:72px}.sf-feat-band--soft{background:var(--sf-lh-soft)}.sf-feat-band-head{max-width:40rem;margin-bottom:40px}.sf-feat-band-head h2{font-size:clamp(1.7rem,2.5vw,2.25rem);line-height:1.12;margin:0 0 14px}.sf-feat-band-head p{margin:0;color:var(--sf-lh-muted);line-height:1.55;max-width:48ch}.sf-feat-caps{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}.sf-feat-caps li{padding:6px 11px;border-radius:999px;border:1px solid var(--sf-lh-border);background:var(--sf-lh-bg);font-size:.8rem;font-weight:550;color:var(--sf-lh-muted)}.sf-feat-tag{display:inline-flex;align-items:center;margin-left:8px;padding:2px 8px;border-radius:999px;font-size:.68rem;font-weight:650;letter-spacing:.02em;text-transform:uppercase;vertical-align:middle}.sf-feat-tag--usage{background:color-mix(in srgb,#d97706 16%,transparent);color:#b45309}html[data-theme=dark] .sf-feat-tag--usage{background:color-mix(in srgb,#fbbf24 18%,transparent);color:#fcd34d}.sf-feat-tag--addon{background:color-mix(in srgb,var(--sf-lh-primary) 12%,transparent);color:var(--sf-lh-primary)}.sf-feat-tag--expand{background:color-mix(in srgb,var(--sf-lh-ok,#059669) 14%,transparent);color:var(--sf-lh-ok,#047857)}html[data-theme=dark] .sf-feat-tag--expand{background:color-mix(in srgb,var(--sf-lh-ok,#34d399) 18%,transparent);color:var(--sf-lh-ok,#34d399)}.sf-feat-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);grid-gap:clamp(24px,4vw,48px);gap:clamp(24px,4vw,48px);align-items:center}.sf-feat-grid--reverse .sf-feat-copy{order:2}.sf-feat-grid--reverse .sf-feat-visual{order:1}.sf-feat-copy h3{font-size:clamp(1.25rem,1.8vw,1.55rem);margin:0 0 12px;letter-spacing:-.02em}.sf-feat-copy p{margin:0 0 12px;color:var(--sf-lh-muted);line-height:1.55;max-width:44ch}.sf-feat-sub{margin-top:48px}.sf-feat-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.sf-feat-list li{display:flex;align-items:baseline;gap:10px;font-size:.95rem;color:var(--sf-lh-text)}.sf-feat-list li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sf-lh-primary);flex-shrink:0;margin-top:.45em}.sf-feat-roles{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.sf-feat-roles li{display:grid;grid-template-columns:1fr auto 1fr;grid-gap:12px;gap:12px;align-items:center;padding:14px 16px;border:1px solid var(--sf-lh-border);border-radius:var(--sf-lh-radius);background:var(--sf-lh-bg);font-size:.92rem}.sf-feat-roles strong{font-weight:600}.sf-feat-roles span:last-child{color:var(--sf-lh-primary);font-weight:550;text-align:right}.sf-feat-arrow{color:var(--sf-lh-muted)}.sf-feat-chain{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 16px;text-align:center}.sf-feat-chain-node{width:100%;max-width:260px;padding:12px 14px;border-radius:var(--sf-lh-radius-sm);border:1px solid var(--sf-lh-border);background:var(--sf-lh-soft);font-size:.9rem;font-weight:550}.sf-feat-chain-node.is-accent{border-color:color-mix(in srgb,var(--sf-lh-primary) 30%,var(--sf-lh-border));background:color-mix(in srgb,var(--sf-lh-primary) 8%,var(--sf-lh-bg));color:var(--sf-lh-primary)}.sf-feat-form-fields{display:flex;flex-direction:column;gap:10px;padding:18px}.sf-feat-field{display:flex;flex-direction:column;gap:4px}.sf-feat-field span{font-size:.72rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:var(--sf-lh-muted)}.sf-feat-field em{display:block;padding:10px 12px;border-radius:8px;border:1px solid var(--sf-lh-border);background:var(--sf-lh-bg);font-style:normal;font-size:.9rem;color:var(--sf-lh-text)}.sf-feat-docx{padding:20px 18px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.85rem;line-height:1.7;color:var(--sf-lh-muted)}.sf-feat-docx strong{color:var(--sf-lh-primary);font-weight:600}.sf-feat-pdf-page{margin:16px;padding:20px 16px 28px;min-height:220px;border:1px solid var(--sf-lh-border);border-radius:4px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.06);position:relative}.sf-feat-pdf-zone{position:absolute;border:1.5px dashed color-mix(in srgb,var(--sf-lh-primary) 55%,#94a3b8);border-radius:4px;background:color-mix(in srgb,var(--sf-lh-primary) 8%,transparent);font-size:.68rem;font-weight:650;color:var(--sf-lh-primary);display:flex;align-items:center;justify-content:center;padding:4px;text-align:center}.sf-feat-identity-check{list-style:none;margin:0;padding:16px 18px;display:flex;flex-direction:column;gap:10px}.sf-feat-identity-check li{display:flex;align-items:center;gap:10px;font-size:.92rem}.sf-feat-identity-check .ok{color:#047857;font-weight:700}.sf-feat-identity-check .off{color:var(--sf-lh-muted);font-weight:700}.sf-feat-cols-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.sf-feat-sign-card{border:1px solid var(--sf-lh-border);border-radius:var(--sf-lh-radius);background:var(--sf-lh-bg);padding:22px 20px}.sf-feat-sign-card h3{margin:0 0 10px;font-size:1.2rem}.sf-feat-sign-card p{margin:0 0 12px;color:var(--sf-lh-muted);line-height:1.5;font-size:.94rem}.sf-feat-sign-card ul{margin:0;padding-left:1.1rem;color:var(--sf-lh-muted);font-size:.88rem;line-height:1.55}.sf-feat-radio{display:flex;flex-direction:column;gap:8px;padding:16px 18px;font-size:.92rem}.sf-feat-auto-line,.sf-feat-radio label{display:flex;align-items:center;gap:8px}.sf-feat-auto-line{flex-wrap:wrap;padding:18px}.sf-feat-auto-line span{padding:8px 12px;border-radius:var(--sf-lh-radius-sm);border:1px solid var(--sf-lh-border);background:var(--sf-lh-bg);font-size:.84rem;font-weight:550}.sf-feat-auto-line i{color:var(--sf-lh-primary);font-style:normal;font-weight:650}.sf-feat-table{width:100%;border-collapse:collapse;font-size:.88rem}.sf-feat-table td,.sf-feat-table th{text-align:left;padding:12px 14px;border-bottom:1px solid var(--sf-lh-border)}.sf-feat-table th{text-transform:uppercase;letter-spacing:.04em;font-weight:650}.sf-feat-badge,.sf-feat-table th{font-size:.72rem;color:var(--sf-lh-muted)}.sf-feat-badge{display:inline-block;padding:3px 8px;border-radius:999px;font-weight:600;background:var(--sf-lh-soft)}.sf-feat-badge--ok{background:color-mix(in srgb,#10b981 14%,transparent);color:#047857}.sf-feat-badge--warn{background:color-mix(in srgb,#f59e0b 16%,transparent);color:#b45309}.sf-feat-tasks{list-style:none;margin:0;padding:16px 18px;display:flex;flex-direction:column;gap:10px}.sf-feat-tasks li{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:var(--sf-lh-radius-sm);background:var(--sf-lh-soft);border:1px solid var(--sf-lh-border);font-size:.9rem}.sf-feat-integ{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:24px 18px 8px}.sf-feat-integ-core{margin:8px auto 0;padding:14px 22px;border-radius:var(--sf-lh-radius);background:color-mix(in srgb,var(--sf-lh-primary) 10%,var(--sf-lh-bg));border:1px solid color-mix(in srgb,var(--sf-lh-primary) 28%,var(--sf-lh-border));color:var(--sf-lh-primary);font-weight:650;text-align:center;max-width:220px}.sf-feat-api{padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.84rem;line-height:1.55}.sf-feat-api .verb{color:#047857;font-weight:700}.sf-feat-api .path{color:var(--sf-lh-primary)}.sf-feat-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:14px 14px 0}.sf-feat-tabs span{padding:7px 12px;border-radius:8px 8px 0 0;font-size:.8rem;font-weight:550;color:var(--sf-lh-muted);border:1px solid transparent}.sf-feat-tabs span.is-active{color:var(--sf-lh-primary);background:var(--sf-lh-bg);border-color:var(--sf-lh-border);border-bottom-color:var(--sf-lh-bg)}.sf-feat-brand-panel{padding:18px;display:grid;grid-gap:12px;gap:12px}.sf-feat-brand-swatch{display:flex;gap:8px}.sf-feat-brand-swatch i{width:28px;height:28px;border-radius:8px;display:block}.sf-feat-roles-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;padding:16px}.sf-feat-roles-grid div{padding:14px;border-radius:var(--sf-lh-radius-sm);border:1px solid var(--sf-lh-border);background:var(--sf-lh-soft);font-size:.9rem;font-weight:550}.sf-feat-summary{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 6px;margin-top:36px;padding:28px 16px}.sf-feat-summary span{font-size:.92rem;font-weight:600;letter-spacing:-.01em}.sf-feat-summary .sf-feat-sum-arrow{color:var(--sf-lh-primary);font-weight:700;opacity:.7}.sf-feat-note{margin:14px 0 0;font-size:.9rem;color:var(--sf-lh-muted);line-height:1.45}.sf-feat-note strong{color:var(--sf-lh-text);font-weight:600}@media (max-width:900px){.sf-feat-cols-2,.sf-feat-grid,.sf-feat-grid--reverse,.sf-feat-hero-inner{grid-template-columns:1fr}.sf-feat-grid--reverse .sf-feat-copy,.sf-feat-grid--reverse .sf-feat-visual{order:0}.sf-feat-hero-copy h1{max-width:none}.sf-feat-band{padding:64px 0}.sf-feat-roles-grid{grid-template-columns:1fr}}