.ha-page{background:#fff;color:#1a1d23}.ha-hero{padding:4.5rem 0 3rem;background:linear-gradient(180deg,#f7f9fc 0,#fff 100%);border-bottom:1px solid #eef1f5;text-align:center}.ha-inner{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad);box-sizing:border-box}.ha-hero h1{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;line-height:1.1;margin:0 0 1rem;color:#12151b}.ha-hero p{font-size:1.15rem;line-height:1.7;color:#4a515c;max-width:46rem;margin:0 auto}.ha-body{padding:3.5rem 0 4rem}.ha-layout{display:grid;grid-template-columns:260px 1fr;gap:3rem;align-items:start}.ha-toc{position:sticky;top:100px;border:1px solid #e7eaef;border-radius:12px;padding:1.25rem 1.4rem;background:#fbfcfe}.ha-toc h2{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#6b7280;margin:0 0 .9rem}.ha-toc ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}.ha-toc a{color:#334155;text-decoration:none;font-size:.98rem;font-weight:500}.ha-section a,.ha-toc a:hover{color:var(--primary-600, #d92d38)}.ha-content{min-width:0;max-width:52rem}.ha-section{margin-bottom:2.75rem;scroll-margin-top:100px}.ha-section h2{font-size:1.6rem;font-weight:800;color:#12151b;margin:0 0 1rem;padding-bottom:.6rem;border-bottom:2px solid #eef1f5}.ha-section h3{font-size:1.15rem;font-weight:700;color:#1a1d23;margin:1.75rem 0 .6rem}.ha-section li,.ha-section p{font-size:1.05rem;color:#3d434d}.ha-section p{line-height:1.75;margin:0 0 1.1rem}.ha-section ul{margin:0 0 1.1rem;padding-left:1.3rem}.ha-section li{line-height:1.7;margin-bottom:.5rem}.ha-section a{font-weight:600;text-decoration:none}.ha-section a:hover{text-decoration:underline}@media (max-width:900px){.ha-layout{grid-template-columns:1fr;gap:1.5rem}.ha-toc{position:static}}