/* 页脚优化：上方品牌/产品/导航，下方独立联系区，避免四列挤压 */
.footer{background:#071a39;color:#b9c9e2;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:minmax(280px,1.35fr) minmax(220px,.9fr) minmax(220px,.9fr);gap:52px 76px;padding-bottom:48px}
.footer-col{min-width:0}
.footer-about{padding-right:22px}
.footer-brand{margin-bottom:22px}
.footer-brand .brand-logo{width:48px;height:48px;border-radius:10px}
.footer-desc{max-width:510px;color:#a9bddb;font-size:14px;line-height:1.9;margin:0 0 20px}
.footer-badge-list{display:flex;flex-wrap:wrap;gap:8px}
.footer-badge-list .badge{color:#c9d8ed;background:#102b55;border:1px solid #284773;border-radius:2px;padding:6px 9px;font-size:11px}
.footer-col h3{font-size:16px;color:#fff;margin:3px 0 20px;padding-left:13px;border-left:3px solid #d93638;line-height:1.2}
.footer-links{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.footer-links li{margin:0;padding-left:14px;position:relative}
.footer-links li:before{content:"";position:absolute;left:0;top:.62em;width:4px;height:4px;border-radius:50%;background:#5c94d4}
.footer-links a{color:#a9bddb;font-size:13px;line-height:1.55;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-contact{grid-column:1/-1;border-top:1px solid #284773;padding-top:32px;display:grid;grid-template-columns:auto 1fr;align-items:start;gap:24px 42px}
.footer-contact h3{margin:3px 0 0;white-space:nowrap}
.footer-contact p{display:inline-flex;flex-wrap:wrap;gap:0 5px;margin:0;color:#a9bddb;font-size:13px;line-height:1.65}
.footer-contact p:nth-of-type(1){grid-column:2;grid-row:1}
.footer-contact p:nth-of-type(n+2){grid-column:2}
.footer-contact p strong{color:#e5edf9;font-weight:700}
.footer-contact a{color:#c9ddfa}
.footer-contact:after{content:"";grid-column:2;display:block}
.footer-bottom{border-top:1px solid #1b3963;background:#05132d;color:#8299ba}
.footer-bottom-flex{min-height:58px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:11px;line-height:1.6}
.footer-bottom a{color:#a9bddb}
@media(max-width:900px){.footer-grid{grid-template-columns:1.2fr 1fr;gap:38px 30px}.footer-about{grid-column:1/-1;padding-right:0}.footer-contact{grid-template-columns:1fr;gap:15px}.footer-contact h3,.footer-contact p,.footer-contact p:nth-of-type(n){grid-column:auto;grid-row:auto}.footer-contact p{display:block}}
@media(max-width:620px){.footer{padding-top:45px}.footer-grid{display:block;padding-bottom:35px}.footer-col{margin-bottom:34px}.footer-about{margin-bottom:40px}.footer-contact{display:block;margin-top:6px;padding-top:28px}.footer-contact h3{display:inline-block;margin-bottom:18px}.footer-contact p{margin:9px 0}.footer-bottom-flex{display:block;padding:14px 0}.footer-bottom-flex span{display:block;margin:4px 0}}