.houli-power{max-width:1200px;margin:0 auto;padding:28px 18px;font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.65}
.houli-power *{box-sizing:border-box}
.houli-power h2{margin:0 0 12px;font-size:26px;line-height:1.3;color:#17202a}
.houli-power h3{margin:0 0 6px;font-size:17px;color:#17202a}
.houli-power p{margin:0;font-size:15px;color:#555}
.hp-intro{padding:26px;background:#f7f8f9;border-radius:12px;margin-bottom:26px}
.hp-question{padding:20px 22px;margin:24px 0;background:#fff8f2;border-left:4px solid #f47a20;border-radius:0 10px 10px 0}
.hp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 30px}
.hp-card{padding:20px;border:1px solid #e8e8e8;border-radius:10px;background:#fff}
.hp-num{display:block;color:#f47a20;font-size:13px;font-weight:700;margin-bottom:8px}
.hp-rule{margin:30px 0;padding:24px;background:#17202a;border-radius:12px;color:#fff}
.hp-rule h2,.hp-rule p{color:#fff}
.hp-rule p{opacity:.85}
.hp-faq{margin-top:30px}
.hp-faq div{padding:15px 0;border-bottom:1px solid #e9e9e9}
@media(max-width:768px){.houli-power{padding:20px 14px}.houli-power h2{font-size:22px}.hp-grid{grid-template-columns:1fr}.hp-intro,.hp-rule{padding:20px 16px}}