.houli-use{max-width:1200px;margin:0 auto;padding:28px 18px;font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.65}
.houli-use *{box-sizing:border-box}
.houli-use h2{margin:0 0 12px;font-size:26px;color:#17202a}
.houli-use h3{margin:0 0 6px;font-size:17px;color:#17202a}
.houli-use p{margin:0;font-size:15px;color:#555}
.hu-intro{padding:26px;background:#f7f8f9;border-radius:12px}
.hu-tags{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 28px}
.hu-tag{padding:9px 14px;border-radius:30px;background:#f5f6f7;font-size:14px}
.hu-highlight{padding:20px 22px;background:#fff8f2;border-left:4px solid #f47a20;margin:25px 0}
.hu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 30px}
.hu-card{padding:19px;border:1px solid #e7e7e7;border-radius:10px}
.hu-trust{padding:24px;background:#17202a;border-radius:12px;color:#fff}
.hu-trust h2,.hu-trust h3,.hu-trust p{color:#fff}
.hu-trust p{opacity:.8}
@media(max-width:768px){.houli-use{padding:20px 14px}.houli-use h2{font-size:22px}.hu-grid{grid-template-columns:1fr}.hu-intro,.hu-trust{padding:20px 16px}}