.hgf-guide{font-family:Arial,sans-serif;line-height:1.7;color:#222;max-width:1100px;margin:auto} .hgf-hero{background:#0b1f3a;color:#fff;padding:40px;border-radius:18px;margin-bottom:30px} .hgf-hero h1{font-size:42px;line-height:1.15;margin:0 0 15px} .hgf-hero p{font-size:19px;margin:0} .hgf-box{background:#f5f8fb;border-left:5px solid #0b7fab;padding:22px;margin:25px...