:root{--ink:#10232b;--muted:#60737c;--teal:#087f80;--teal2:#0b696f;--pale:#eef8f7;--bg:#f7f9f9;--panel:#fff;--line:#dbe5e7;--soft:#edf2f3;--ok:#2d7257;--warn:#9b6a18;--bad:#9b3434;--radius:14px;--shadow:0 12px 34px rgba(18,46,55,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{color:inherit}.shell{width:min(1400px,calc(100% - 48px));margin:auto}.topnav{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:100}.topnav 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#9994}.pin:after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;background:#fff;left:6px;top:6px}.pin.p1{left:24%;top:34%}.pin.p2{left:57%;top:52%}.pin.p3{left:76%;top:25%}.demo-request{margin-top:14px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.demo-chip{padding:11px;background:var(--pale);border-radius:10px;font-size:.72rem}.demo-chip b{display:block;font-size:.84rem;margin-top:3px}.mini-flow{display:flex;align-items:center;gap:8px;margin-top:18px;color:var(--muted);font-size:.75rem;flex-wrap:wrap}.mini-step{background:#fff;border:1px solid var(--line);padding:8px 9px;border-radius:999px;color:var(--ink)}.section{padding:54px 0}.section.white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-title{font-size:2rem;margin:7px 0 12px;letter-spacing:-.025em}.section-intro{color:var(--muted);line-height:1.6;max-width:760px}.cards3,.cards4{display:grid;gap:16px;margin-top:28px}.cards3{grid-template-columns:repeat(3,1fr)}.cards4{grid-template-columns:repeat(4,1fr)}.feature-card,.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;transition:.18s}.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#a9cecd}.feature-card h3,.info-card h3{margin:10px 0 7px}.feature-card p,.info-card p{color:var(--muted);line-height:1.5;margin:0}.icon-bubble{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--pale);color:var(--teal);font-weight:800;font-size:1.05rem}.how-tabs{display:grid;grid-template-columns:280px 1fr;gap:20px;margin-top:28px}.tab-list{display:grid;gap:8px}.method-tab{appearance:none;border:1px solid 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