.lk-about{font-family:’Microsoft YaHei’,’PingFang SC’,sans-serif;color:#2b3441;line-height:1.9;max-width:1000px;margin:0 auto;padding:10px 4px}
.lk-about .hero{background:linear-gradient(135deg,#0d1b2e,#0a4fd0);color:#fff;border-radius:14px;padding:40px 36px;margin-bottom:10px}
.lk-about .hero h1{font-size:28px;margin:0 0 12px;letter-spacing:1px}
.lk-about .hero p{margin:4px 0;color:rgba(255,255,255,.92);font-size:15px}
.lk-about h2{color:#0a4fd0;font-size:23px;border-left:4px solid #0a4fd0;padding-left:12px;margin:38px 0 16px}
.lk-about p{font-size:15px;color:#3a4553}
.lk-about .adv{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:760px){.lk-about .adv{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.lk-about .adv{grid-template-columns:1fr}}
.lk-about .adv-item{background:#f5f8fc;border:1px solid #e6ebf2;border-radius:10px;padding:18px 20px}
.lk-about .adv-item b{display:block;color:#0a4fd0;font-size:15.5px;margin-bottom:6px}
.lk-about .adv-item span{font-size:13.5px;color:#5f6b7a}
.lk-about .cert{background:#f5f8fc;border:1px solid #e6ebf2;border-radius:10px;padding:20px 24px;font-size:14.5px;color:#3a4553}
.lk-about .contact{display:flex;gap:14px;flex-wrap:wrap;font-size:15px}
.lk-about .contact span{background:#e8f0ff;color:#0a4fd0;padding:9px 18px;border-radius:8px;font-weight:600}