/* 云智慧统一站点顶部 · 2026-10-15 · mobile conflict guard v03 */
:root{--yzh-navy:#071a35;--yzh-blue:#1767ff;--yzh-cyan:#33c8ff;--yzh-line:rgba(255,255,255,.13)}
html{scroll-padding-top:112px}
body{overflow-x:hidden;padding-top:0!important}
.yzh-site-header{position:sticky!important;top:0;z-index:1200;width:100vw!important;max-width:none!important;margin:0 0 0 calc(50% - 50vw)!important;padding:0!important;background:rgba(7,26,53,.97)!important;color:#fff!important;border:0!important;box-shadow:0 10px 32px rgba(4,18,42,.18);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.yzh-site-header *{box-sizing:border-box}
.yzh-site-header a{text-decoration:none!important}
.yzh-header-strip{background:linear-gradient(90deg,rgba(23,103,255,.92),rgba(28,164,255,.82));border-bottom:1px solid var(--yzh-line)}
.yzh-strip-inner,.yzh-header-main{width:min(1180px,calc(100% - 40px));margin:0 auto}
.yzh-strip-inner{min-height:31px;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.9)}
.yzh-strip-points{display:flex;gap:18px;align-items:center}
.yzh-strip-points span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.yzh-strip-points span:before{content:"";width:5px;height:5px;border-radius:50%;background:#9ff3ff;box-shadow:0 0 0 4px rgba(159,243,255,.12)}
.yzh-strip-note{white-space:nowrap;color:#fff;font-weight:650}
.yzh-header-main{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.yzh-brand{display:flex!important;align-items:center;gap:11px;color:#fff!important;min-width:max-content}
.yzh-brand-mark{position:relative;width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(145deg,#fff,#d9f5ff);box-shadow:0 8px 22px rgba(25,120,255,.28);overflow:hidden}
.yzh-brand-mark:before,.yzh-brand-mark:after{content:"";position:absolute;border-radius:4px;transform:skewX(-13deg)}
.yzh-brand-mark:before{width:9px;height:23px;left:10px;top:8px;background:#1767ff}
.yzh-brand-mark:after{width:9px;height:16px;right:10px;bottom:8px;background:#20bddf}
.yzh-brand-copy{display:flex;flex-direction:column;line-height:1.05}
.yzh-brand-name{font-size:20px;font-weight:850;letter-spacing:.08em;color:#fff}
.yzh-brand-tag{margin-top:6px;font-size:10px;letter-spacing:.12em;color:#91b9e9;font-weight:600}
.yzh-primary-nav{display:flex;align-items:center;justify-content:center;gap:4px;min-width:0}
.yzh-primary-nav>a{display:block!important;margin-left:0!important;position:relative;padding:10px 12px;border-radius:9px;color:#c9dbf3!important;font-size:14px;font-weight:650;white-space:nowrap;transition:color .2s ease,background .2s ease,transform .2s ease}
.yzh-primary-nav>a:hover,.yzh-primary-nav>a:focus-visible{color:#fff!important;background:rgba(255,255,255,.09);transform:translateY(-1px);outline:none}
.yzh-primary-nav>a[aria-current="page"]{color:#fff!important;background:rgba(43,151,255,.18)}
.yzh-primary-nav>a[aria-current="page"]:after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(90deg,#48e0ff,#4688ff)}
.yzh-header-cta{display:inline-flex!important;align-items:center;gap:8px;justify-content:center;min-height:42px;padding:0 16px;border-radius:11px;color:#fff!important;background:linear-gradient(135deg,#1888ff,#1664ff);font-size:13px;font-weight:750;white-space:nowrap;box-shadow:0 8px 20px rgba(22,100,255,.3);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.yzh-header-cta:hover,.yzh-header-cta:focus-visible{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 11px 25px rgba(22,100,255,.4);outline:none}
.yzh-header-cta svg{width:17px;height:17px;fill:currentColor;flex:0 0 auto}
.yzh-skip-link{position:fixed;left:16px;top:-60px;z-index:2000;padding:10px 14px;border-radius:8px;background:#fff;color:#071a35!important;font-weight:700;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.yzh-skip-link:focus{top:12px}
@media(max-width:980px){.yzh-header-main{gap:16px}.yzh-primary-nav>a{padding:9px 8px;font-size:13px}.yzh-brand-tag{display:none}}
@media(max-width:780px){html{scroll-padding-top:132px}.yzh-header-strip{display:none}.yzh-header-main{width:100%;min-height:auto;grid-template-columns:1fr auto;gap:10px;padding:11px 16px 0}.yzh-brand{grid-column:1;grid-row:1}.yzh-header-cta{grid-column:2;grid-row:1}.yzh-brand-mark{width:35px;height:35px;border-radius:10px}.yzh-brand-mark:before{height:21px;left:9px;top:7px}.yzh-brand-mark:after{height:15px;right:9px;bottom:7px}.yzh-brand-name{font-size:18px}.yzh-header-cta{min-height:38px;padding:0 12px;font-size:12px}.yzh-primary-nav{grid-column:1/-1;grid-row:2;justify-content:flex-start;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;margin:0 -16px;padding:0 16px 10px}.yzh-primary-nav::-webkit-scrollbar{display:none}.yzh-primary-nav>a{padding:8px 10px}.yzh-primary-nav>a:first-child{margin-left:0}}
@media(max-width:400px){.yzh-header-cta span{display:none}.yzh-header-cta{width:40px;padding:0}.yzh-brand-tag{display:none}}