/* 中铁五局企业页头：与先锋汇智门户 brand-bar 同尺寸、同样式，所有页面顶部统一。 */
.kc-brandbar{position:relative;z-index:5;background:#fff;border-bottom:1px solid #e3ebf5}
.kc-brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:1920px;height:72px;margin:0 auto;padding:0 clamp(24px,2.5vw,48px)}
.kc-brandbar-logo{display:flex;flex:none;align-items:center}
.kc-brandbar-logo img{display:block;width:auto;height:50px}
.kc-brandbar-links{display:flex;align-items:center;gap:26px}
.kc-brandbar-links a{position:relative;display:inline-flex;align-items:center;gap:7px;padding:6px 2px;font:14px/1.4 "Microsoft YaHei UI","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:#13233a;text-decoration:none;transition:color .16s}
.kc-brandbar-links a svg{color:#0a68d8;stroke-width:2.35px}
.kc-brandbar-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:#1677ff;transform:scaleX(0);transform-origin:0;transition:transform .18s}
.kc-brandbar-links a:hover{color:#1677ff;text-decoration:none}
.kc-brandbar-links a:hover svg{color:#005bac}
.kc-brandbar-links a:hover::after{transform:scaleX(1)}
@media (max-width:900px){.kc-brandbar-inner{flex-wrap:wrap;gap:10px;height:auto;min-height:64px;padding:10px 16px}.kc-brandbar-logo img{height:38px}.kc-brandbar-links{gap:16px}}
@media (max-width:480px){.kc-brandbar-logo img{height:32px}.kc-brandbar-links a{font-size:13px}}
@media print{.kc-brandbar{display:none}}