:root{
  --blue:#1157B8; --blue-dark:#0A1F3C; --blue-deep:#081426; --green:#12B76A;
  --ink:#0F1B2D; --slate:#334155; --gray:#64748B; --line:#E4E8EF; --bg:#F4F6F9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
img{display:block}
.wrap{width:1200px;margin:0 auto}

/* 顶栏 */
.topbar{background:var(--blue-dark);color:#8FA6C4;font-size:12px;letter-spacing:.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px}
.topbar b{color:#DCE7F7;font-weight:500}

/* 导航 */
.header{position:sticky;top:0;z-index:99;background:#fff;box-shadow:0 2px 10px rgba(10,31,60,.08)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:88px}
.logo-img{display:inline-block;height:48px;width:128px;background:url(images/logo-h.png) no-repeat left center/contain;transition:opacity .3s}
.logo:hover .logo-img{opacity:.85}
.nav{display:flex;gap:40px;font-size:15px;color:#334155}
.nav a{padding:6px 0;transition:color .3s}
.nav a:hover,.nav a.on{color:var(--blue);font-weight:600}
.btn-inquiry{display:inline-block;background:var(--green);color:#fff;font-size:15px;font-weight:600;padding:11px 26px;border-radius:6px;transition:background .3s,transform .3s}
.btn-inquiry:hover{background:#0FA25C;transform:translateY(-1px)}

/* 子页横幅 */
.page-hero{position:relative;background:linear-gradient(135deg,#081830 0%,#0B2244 55%,#12396F 100%);color:#fff;overflow:hidden;padding:72px 0}
.page-hero .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:240px 170px}
.page-hero .ring{position:absolute;border:1px solid rgba(255,255,255,.07);border-radius:50%}
.page-hero .r1{width:460px;height:460px;right:-120px;top:-200px}
.page-hero .r2{width:320px;height:320px;right:-20px;top:-60px}
.page-hero .wrap{position:relative}
.crumb{font-size:13px;color:#8FA6C4;letter-spacing:.5px;margin-bottom:16px}
.crumb a{color:#8FA6C4}.crumb a:hover{color:#fff}
.page-hero h1{font-size:40px;font-weight:800;letter-spacing:2px}
.page-hero .p-sub{font-size:15px;color:#B9C7DB;margin-top:14px;line-height:26px;max-width:760px}

/* 首屏（首页专用） */
.hero{position:relative;background:linear-gradient(135deg,#081830 0%,#0B2244 55%,#12396F 100%);color:#fff;overflow:hidden}
.hero .grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:240px 170px}
.hero .ring{position:absolute;border:1px solid rgba(255,255,255,.07);border-radius:50%}
.hero .r1{width:540px;height:540px;right:-90px;top:-170px}
.hero .r2{width:380px;height:380px;right:0;top:-10px}
.hero .wrap{position:relative;display:flex;align-items:center;gap:56px;height:680px}
.hero-left{flex:1;display:flex;flex-direction:column;gap:26px}
.badge{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:8px 18px;font-size:13px;color:#A8C7F0;width:fit-content}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--green)}
.hero h1{font-size:54px;font-weight:800;letter-spacing:2px;line-height:1.28}
.hero .accent{width:72px;height:4px;border-radius:2px;background:var(--green)}
.hero .sub{font-size:16px;line-height:30px;color:#B9C7DB;max-width:560px}
.cta-row{display:flex;gap:16px}
.btn-primary{display:inline-block;background:var(--green);color:#fff;font-size:15px;font-weight:600;padding:15px 34px;border-radius:6px;box-shadow:0 8px 20px rgba(18,183,106,.28);transition:all .3s}
.btn-primary:hover{background:#0FA25C;transform:translateY(-2px)}
.btn-ghost{display:inline-block;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff;font-size:15px;padding:15px 34px;border-radius:6px;transition:all .3s}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{display:inline-block;border:1.5px solid var(--blue);color:var(--blue);font-size:14px;font-weight:600;padding:11px 28px;border-radius:6px;transition:all .3s}
.btn-outline:hover{background:var(--blue);color:#fff}
.stats{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);padding-top:26px}
.stat b{display:block;font-size:26px;font-weight:700;letter-spacing:.5px}
.stat span{font-size:13px;color:#8FA6C4}
.hero-img{width:470px;height:520px;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 24px 48px rgba(0,0,0,.35);flex-shrink:0}
.hero-img img{width:100%;height:100%;object-fit:cover;transition:transform 6s ease}
.hero-img:hover img{transform:scale(1.04)}

/* 板块通用 */
section{padding:96px 0}
.sec-head{margin-bottom:44px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--green);letter-spacing:2px;margin-bottom:14px}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--green)}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:1px}
.sec-head p{font-size:15px;color:var(--gray);line-height:26px;margin-top:12px}

/* 卡片 */
.card-row{display:flex;gap:24px}
.card{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:transform .35s,box-shadow .35s}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 32px rgba(10,31,60,.10)}
.card .ph{height:180px;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .ph img{transform:scale(1.06)}
.card .body{padding:22px 22px 24px}
.card h3{font-size:19px;font-weight:700;letter-spacing:.5px}
.card .tag{font-size:13px;color:var(--green);font-weight:500;margin:10px 0}
.card p{font-size:13px;color:var(--gray);line-height:22px}
.card .more{display:inline-block;font-size:13px;font-weight:600;color:var(--blue);margin-top:14px}

/* 产品详述页 */
.pblock{display:flex;gap:48px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.pblock:last-child{border-bottom:none}
.pblock.rev{flex-direction:row-reverse}
.pblock .pic{width:480px;height:320px;border-radius:12px;overflow:hidden;flex-shrink:0;box-shadow:0 16px 36px rgba(10,31,60,.12)}
.pblock .pic img{width:100%;height:100%;object-fit:cover}
.pblock .txt{flex:1}
.pblock .txt .tag{font-size:13px;color:var(--green);font-weight:600;letter-spacing:1px;margin-bottom:10px}
.pblock .txt h3{font-size:26px;font-weight:800;letter-spacing:1px;margin-bottom:16px}
.pblock .txt p{font-size:14.5px;color:var(--slate);line-height:27px;margin-bottom:14px}
.pblock .feat{margin-top:8px}
.pblock .feat li{list-style:none;display:flex;gap:10px;align-items:center;font-size:14px;color:var(--slate);line-height:2}
.pblock .feat li::before{content:"";width:14px;height:14px;border-radius:4px;background:rgba(18,183,106,.15);border:1px solid rgba(18,183,106,.5);flex-shrink:0}

/* 表格 */
.spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 18px rgba(10,31,60,.06)}
.spec-table th{background:var(--blue-dark);color:#fff;font-size:14px;font-weight:600;letter-spacing:.5px;padding:16px 20px;text-align:left;white-space:nowrap}
.spec-table td{font-size:13.5px;color:var(--slate);padding:15px 20px;border-bottom:1px solid var(--line);line-height:22px}
.spec-table tr:last-child td{border-bottom:none}
.spec-table tr:nth-child(even) td{background:#FAFBFD}
.spec-table td b{color:var(--blue)}

/* 解决方案 */
.solutions{background:var(--blue-dark);color:#fff}
.solutions .sec-head h2{color:#fff}
.solutions .sec-head p{color:#8FA6C4}
.sol-row{display:flex;gap:24px}
.sol-big{width:520px;flex-shrink:0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;overflow:hidden}
.sol-big .ph{height:230px;overflow:hidden}
.sol-big .ph img{width:100%;height:100%;object-fit:cover}
.sol-big .body{padding:28px}
.sol-big h3{font-size:22px;font-weight:700;letter-spacing:.5px}
.sol-big .tag{font-size:13px;color:var(--green);font-weight:500;margin:14px 0 16px}
.sol-big li{display:flex;align-items:center;gap:10px;font-size:14px;color:#C7D5E8;line-height:1.6;margin-top:12px;list-style:none}
.sol-big li::before{content:"";width:16px;height:16px;border-radius:4px;background:rgba(18,183,106,.15);border:1px solid rgba(18,183,106,.5);flex-shrink:0}
.sol-grid{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;transition:background .3s,border-color .3s}
.scene:hover{background:rgba(255,255,255,.09);border-color:rgba(18,183,106,.4)}
.scene svg{width:28px;height:28px}
.scene h4{font-size:17px;font-weight:600;margin:12px 0 6px}
.scene p{font-size:12.5px;color:#8FA6C4;line-height:20px}

/* 服务流程 */
.steps{display:flex;gap:0;counter-reset:step}
.step{flex:1;position:relative;padding:0 18px;text-align:center}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:34px;font-weight:800;color:rgba(17,87,184,.14);letter-spacing:1px}
.step h4{font-size:17px;font-weight:700;margin:10px 0 8px}
.step p{font-size:13px;color:var(--gray);line-height:22px}
.step::after{content:"";position:absolute;right:0;top:32px;width:60%;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.step:last-child::after{display:none}

/* 技术资料 */
.doc-card .ph{height:200px;overflow:hidden;background:#F4F6F9;display:flex;align-items:center;justify-content:center}
.doc-card .ph img{object-fit:contain;padding:16px}
.doc-card .ph.full img{object-fit:cover;padding:0}

/* 案例 */
.cases{background:var(--bg)}
.case-row{display:flex;gap:24px;margin-bottom:24px}
.case-row:last-child{margin-bottom:0}
.case{flex:1;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;transition:transform .35s,box-shadow .35s}
.case:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(10,31,60,.08)}
.case .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.chip{font-size:12px;font-weight:500;padding:4px 10px;border-radius:4px}
.chip.blue{background:#E8F1FC;color:var(--blue)}
.chip.green{background:rgba(18,183,106,.1);color:var(--green)}
.case .year{font-size:13px;color:#94A3B8;letter-spacing:.5px}
.case h4{font-size:16px;font-weight:600;line-height:24px;margin-bottom:8px}
.case p{font-size:13px;color:var(--gray);line-height:20px}

/* 关于 */
.about-row{display:flex;gap:56px}
.about-left{flex:1}
.about-left p{font-size:15px;color:var(--slate);line-height:28px;margin-bottom:20px}
.brands{margin-top:6px}
.brands .lb{font-size:14px;font-weight:600;margin-bottom:14px}
.brand-chips{display:flex;flex-wrap:wrap;gap:12px}
.brand-chips span{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:8px 20px;font-size:14px;color:var(--slate);font-weight:500}
.dz{margin-top:28px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:24px}
.dz h4{font-size:16px;font-weight:600;margin-bottom:10px}
.dz p{font-size:13.5px;color:var(--gray);line-height:24px;margin:0}
.contact-card{width:420px;flex-shrink:0;background:var(--blue-dark);color:#fff;border-radius:12px;padding:36px 32px;height:fit-content}
.contact-card h3{font-size:22px;font-weight:700;letter-spacing:1px}
.contact-card .desc{font-size:13.5px;color:#8FA6C4;line-height:22px;margin:12px 0 22px}
.contact-card .lb{font-size:12px;color:#5F7BA3;letter-spacing:1px;margin-bottom:8px}
.contact-card .tel{font-size:17px;font-weight:600;letter-spacing:.5px;margin-bottom:6px}
.contact-card .div{height:1px;background:rgba(255,255,255,.1);margin:20px 0}
.contact-card .range{font-size:14px;color:#C7D5E8;line-height:22px}
.contact-card .btn-inquiry{display:block;text-align:center;width:100%;margin-top:26px;padding:14px 0}

/* 联系页 */
.contact-grid{display:flex;gap:24px}
.cbox{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:32px}
.cbox h4{font-size:18px;font-weight:700;margin-bottom:14px}
.cbox .big{font-size:22px;font-weight:800;color:var(--blue);letter-spacing:.5px;margin-bottom:6px}
.cbox p{font-size:13.5px;color:var(--gray);line-height:24px}

/* CTA 条 */
.cta-band{background:linear-gradient(90deg,#0E3C8C,#0A1F3C);color:#fff;padding:64px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center}
.cta-band h2{font-size:28px;font-weight:700;letter-spacing:1px}
.cta-band p{font-size:15px;color:#C7D5E8;margin-top:12px}
.cta-band .tel{text-align:right}
.cta-band .tel b{display:block;font-size:30px;font-weight:800;letter-spacing:1px}
.cta-band .tel span{font-size:14px;color:#C7D5E8}

/* 页脚 */
.footer{background:var(--blue-deep);color:#8FA6C4;padding:64px 0 32px}
.f-top{display:flex;justify-content:space-between;margin-bottom:44px}
.logo-img.lt{height:40px;width:106px;background-image:url(images/logo-h-white.png)}
.f-brand p{font-size:13px;letter-spacing:.5px;margin-top:14px}
.f-col h5{color:#fff;font-size:14px;font-weight:600;letter-spacing:1px;margin-bottom:16px}
.f-col a{display:block;font-size:13px;line-height:28px;transition:color .3s}
.f-col a:hover{color:#fff}
.f-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;font-size:12.5px;color:#5F7BA3}

/* 悬浮询盘 */
.float-btn{position:fixed;right:32px;bottom:32px;z-index:100;background:var(--green);color:#fff;font-size:15px;font-weight:600;padding:14px 24px;border-radius:999px;box-shadow:0 10px 26px rgba(18,183,106,.4);display:flex;align-items:center;gap:8px;transition:transform .3s}
.float-btn:hover{transform:translateY(-3px)}
.float-btn svg{width:18px;height:18px}