/* 紫田网络 2026 首页独立样式：只作用于 .zt-home，避免影响老页面 */
:root{--zt-blue:#1268ff;--zt-dark:#06162f;--zt-navy:#092452;--zt-text:#1f2d3d;--zt-muted:#667085;--zt-bg:#f5f8ff;--zt-line:#e6edf7;--zt-green:#21c48a;}
.zt-home{font-family:"Microsoft YaHei",Arial,sans-serif;color:var(--zt-text);background:#fff;overflow:hidden}.zt-container{width:1200px;margin:0 auto}.zt-home a{text-decoration:none}.zt-hero{position:relative;padding:142px 0 92px;min-height:650px;box-sizing:border-box;background:radial-gradient(circle at 68% 30%,rgba(28,121,255,.36),transparent 30%),linear-gradient(135deg,#06162f 0%,#0b2e66 52%,#051124 100%);color:#fff}.zt-hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:80px;background:linear-gradient(180deg,rgba(255,255,255,0),#fff)}.zt-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 520px;gap:60px;align-items:center}.zt-eyebrow,.zt-section-head span,.zt-dc-copy span,.zt-solution-box span,.zt-about-card span{display:inline-block;font-size:13px;letter-spacing:2px;color:#58d7ff;font-weight:700;margin-bottom:14px}.zt-hero h1{font-size:50px;line-height:1.18;margin:0 0 22px;font-weight:800;letter-spacing:-1px}.zt-hero-desc{font-size:18px;line-height:1.85;color:#dce8ff;margin:0 0 32px;max-width:640px}.zt-btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 28px;border-radius:24px;font-size:15px;font-weight:700;transition:.25s}.zt-btn-primary{background:linear-gradient(135deg,#1976ff,#11c5ff);color:#fff;box-shadow:0 12px 28px rgba(18,104,255,.28)}.zt-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(18,104,255,.35)}.zt-btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.36);margin-left:14px}.zt-btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}.zt-btn-light{background:#fff;color:#1268ff}.zt-hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}.zt-hero-stats div{padding:20px 18px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:18px;backdrop-filter:blur(10px);box-shadow:0 12px 30px rgba(0,0,0,.10)}.zt-hero-stats strong{display:block;font-size:26px;color:#fff;margin-bottom:5px}.zt-hero-stats span{font-size:13px;color:#bcd1f4}.zt-hero-visual img{width:100%;filter:drop-shadow(0 28px 48px rgba(0,0,0,.36));transform:translateY(10px)}.zt-quickbar{position:relative;z-index:2;margin-top:-42px}.zt-quick-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:18px;box-shadow:0 18px 45px rgba(21,51,100,.12);overflow:hidden}.zt-quick-grid a{display:flex;gap:14px;align-items:center;padding:25px 28px;border-right:1px solid var(--zt-line);color:var(--zt-text)}.zt-quick-grid a:last-child{border-right:0}.zt-quick-grid i{width:42px;height:42px;border-radius:14px;background:#eef5ff;color:var(--zt-blue);display:flex;align-items:center;justify-content:center;font-size:20px}.zt-quick-grid span{display:block;font-size:17px;font-weight:700}.zt-quick-grid em{display:block;font-style:normal;color:var(--zt-muted);font-size:13px;margin-top:5px}.zt-section{padding:78px 0}.zt-section-head{text-align:center;margin-bottom:38px}.zt-section-head h2,.zt-dc-copy h2,.zt-solution-box h2,.zt-cta h2{font-size:34px;line-height:1.25;margin:0 0 12px;font-weight:800;color:#101828}.zt-section-head p,.zt-dc-copy p,.zt-solution-box p,.zt-cta p{font-size:16px;color:var(--zt-muted);line-height:1.8;margin:0}.zt-products{background:#fff}.zt-product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.zt-product-card{display:block;min-height:235px;padding:34px 30px;border:1px solid var(--zt-line);border-radius:20px;background:#fff;color:var(--zt-text);transition:.25s;box-shadow:0 10px 30px rgba(32,64,120,.04)}.zt-product-card:hover{transform:translateY(-6px);border-color:#bad3ff;box-shadow:0 18px 45px rgba(18,104,255,.12);color:var(--zt-text)}.zt-product-card i{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#eef5ff,#e7fbff);display:flex;align-items:center;justify-content:center;color:var(--zt-blue);font-size:24px;margin-bottom:24px}.zt-product-card h3{font-size:21px;margin:0 0 12px;font-weight:800}.zt-product-card p{font-size:14px;line-height:1.8;color:var(--zt-muted);min-height:76px;margin:0 0 14px}.zt-product-card span{color:var(--zt-blue);font-weight:700}.zt-product-highlight{background:linear-gradient(135deg,#0b2e66,#1268ff);color:#fff;border-color:transparent}.zt-product-highlight p,.zt-product-highlight span,.zt-product-highlight:hover{color:#fff}.zt-product-highlight i{background:rgba(255,255,255,.14);color:#fff}.zt-dc{background:linear-gradient(180deg,#f5f8ff,#fff)}.zt-dc-grid{display:grid;grid-template-columns:450px 1fr;gap:54px;align-items:center}.zt-dc-copy h2{text-align:left}.zt-line-tags{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.zt-line-tags em{font-style:normal;background:#fff;border:1px solid #d9e7fb;border-radius:999px;padding:9px 16px;color:#27507e}.zt-dc-panel{position:relative;min-height:360px;border-radius:28px;padding:32px;background:linear-gradient(135deg,#06162f,#0b3475);box-shadow:0 22px 48px rgba(15,50,100,.2);overflow:hidden}.zt-dc-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 25%,rgba(88,215,255,.35),transparent 24%),radial-gradient(circle at 78% 60%,rgba(33,196,138,.24),transparent 22%)}.zt-map-card{position:relative;z-index:1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:26px;color:#fff;margin-left:185px}.zt-map-card-main{width:360px;margin:30px 0 22px 40px}.zt-map-card strong{display:block;font-size:22px;margin-bottom:15px}.zt-map-card ul{padding:0;margin:0;list-style:none;display:grid;gap:11px}.zt-map-card li:before{content:"●";color:#45f0b8;margin-right:9px}.zt-why{background:#fff}.zt-why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.zt-why-item{padding:32px 26px;border-radius:20px;background:#f7faff;border:1px solid #e5eefb;text-align:center}.zt-why-item strong{display:block;font-size:30px;color:var(--zt-blue);margin-bottom:12px}.zt-why-item span{color:var(--zt-muted);line-height:1.7}.zt-solution{background:#06162f;color:#fff}.zt-solution-box{display:grid;grid-template-columns:420px 1fr;gap:60px;align-items:center}.zt-solution-box h2{color:#fff;text-align:left}.zt-solution-box p{color:#bfd0ee}.zt-solution-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.zt-solution-list a{display:block;padding:20px 24px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;font-weight:700}.zt-solution-list a:hover{background:rgba(18,104,255,.42);color:#fff}.zt-news{background:#f5f8ff}.zt-news-grid{display:grid;grid-template-columns:1fr 1fr 360px;gap:22px}.zt-news-card,.zt-about-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 12px 36px rgba(32,64,120,.07)}.zt-news-title{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--zt-line);padding-bottom:16px;margin-bottom:16px}.zt-news-title h3,.zt-about-card h3{font-size:22px;margin:0;font-weight:800}.zt-news-title a,.zt-about-card a{color:var(--zt-blue)}.zt-news-list{list-style:none;margin:0;padding:0}.zt-news-list li{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed #e5edf7}.zt-news-list li:last-child{border-bottom:0}.zt-news-list a{color:#344054;max-width:72%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.zt-news-list span{color:#98a2b3;font-size:13px;white-space:nowrap}.zt-about-card p{color:var(--zt-muted);line-height:1.9;margin:14px 0 20px}.zt-cta{padding:52px 0;background:linear-gradient(135deg,#1268ff,#0bb6d8);color:#fff}.zt-cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.zt-cta h2{color:#fff;text-align:left}.zt-cta p{color:#e9f7ff}.fade-up{opacity:0;transform:translateY(26px);transition:.65s}.fade-up.is-visible{opacity:1;transform:translateY(0)}
@media(max-width:1220px){.zt-container{width:94%}.zt-hero{padding-top:132px}.zt-hero-grid,.zt-dc-grid,.zt-solution-box{grid-template-columns:1fr}.zt-hero-visual{max-width:620px}.zt-news-grid{grid-template-columns:1fr}.zt-dc-panel{min-height:auto}.zt-map-card,.zt-map-card-main{margin:0 0 18px;width:auto}}
@media(max-width:768px){.zt-hero{padding:100px 0 62px;min-height:auto}.zt-hero h1{font-size:34px}.zt-hero-desc{font-size:15px}.zt-hero-stats,.zt-quick-grid,.zt-product-grid,.zt-why-grid,.zt-solution-list{grid-template-columns:1fr}.zt-quickbar{margin-top:0}.zt-quick-grid{border-radius:0}.zt-quick-grid a{border-right:0;border-bottom:1px solid var(--zt-line)}.zt-section{padding:52px 0}.zt-section-head h2,.zt-dc-copy h2,.zt-solution-box h2,.zt-cta h2{font-size:27px}.zt-news-list li{display:block}.zt-news-list a{max-width:100%;display:block}.zt-news-list span{display:block;margin-top:6px}.zt-cta-box{display:block}.zt-cta .zt-btn{margin-top:22px}.zt-btn-ghost{margin-left:0;margin-top:12px}}

/* v2.1：Banner整体下移，避免顶部导航遮挡 SINCE 2005；优化首屏高度、卡片层次和移动端间距。 */