:root{--blue:#0756a8;--blue2:#0b75d1;--dark:#10253f;--text:#334155;--muted:#64748b;--light:#f4f8fc;--line:#e5edf5;--orange:#f28b22;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1200px,92%);margin:auto}
.top{background:#0d2742;color:#dce8f5;font-size:13px}.top .container{display:flex;justify-content:space-between;padding:8px 0}
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:12px}.logo-mark{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,var(--blue),#12a5e8);display:grid;place-items:center;color:#fff;font-weight:800;font-size:22px}.logo b{font-size:23px;color:var(--dark)}.logo small{display:block;color:#8090a4;font-size:11px}.menu{display:flex;gap:27px;align-items:center;font-size:15px;font-weight:600}.menu a:hover,.menu a.active{color:var(--blue)}.hotline{background:var(--blue);color:#fff;padding:10px 15px;border-radius:6px}
.hero{min-height:510px;background:linear-gradient(90deg,rgba(3,29,56,.9),rgba(3,29,56,.35)),url("https://www.tlpumps.com/js/htmledit/kindeditor/attached/20240319/20240319092435_36346.jpg") center/cover;display:flex;align-items:center;color:#fff}.hero h1{font-size:48px;line-height:1.2;margin:0 0 18px}.hero p{font-size:19px;max-width:680px;color:#e8f2fb}.btn{display:inline-block;padding:12px 24px;border-radius:5px;background:var(--orange);color:#fff;font-weight:700;margin:8px 10px 0 0}.btn.alt{background:#fff;color:var(--blue)}
.section{padding:72px 0}.section.gray{background:var(--light)}.eyebrow{color:var(--blue);font-weight:800;letter-spacing:2px;font-size:13px;text-transform:uppercase}.title{font-size:34px;color:var(--dark);margin:8px 0 12px}.desc{color:var(--muted);max-width:760px}.section-head{text-align:center;margin-bottom:35px}.grid{display:grid;gap:22px}.products{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;transition:.25s;box-shadow:0 5px 20px rgba(20,55,90,.05)}.card:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(20,55,90,.12)}.card img{height:220px;object-fit:cover}.card-body{padding:18px}.card h3{margin:0 0 7px;color:var(--dark);font-size:19px}.card p{margin:0;color:var(--muted);font-size:14px}.tag{display:inline-block;background:#eaf4ff;color:var(--blue);padding:3px 8px;border-radius:3px;font-size:12px;margin-bottom:8px}
.features{grid-template-columns:repeat(4,1fr)}.feature{padding:25px;background:#fff;border:1px solid var(--line);border-radius:8px}.icon{font-size:32px;color:var(--blue)}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--dark);color:#fff}.stat{padding:28px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}.stat strong{font-size:34px;display:block;color:#fff}.stat span{font-size:13px;color:#b9c9da}
.about{grid-template-columns:1fr 1fr;align-items:center}.about img{height:420px;width:100%;object-fit:cover;border-radius:10px}.check{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.check div{background:#f6faff;padding:10px;border-left:3px solid var(--blue)}
.cta{background:linear-gradient(135deg,#0756a8,#0b83d8);color:#fff}.cta .container{display:flex;align-items:center;justify-content:space-between;gap:20px}.cta h2{font-size:30px;margin:0}
.news{grid-template-columns:1.2fr 1fr 1fr}.news img{height:230px;object-fit:cover}.news-body{padding:18px}.date{font-size:12px;color:#94a3b8}.news h3{color:var(--dark)}
.footer{background:#0b1d31;color:#a9b8c8;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:35px}.footer h3{color:#fff}.footer a{display:block;margin:7px 0}.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:15px;font-size:12px}
.breadcrumb{background:#f4f8fc;padding:13px 0;color:#738397;font-size:13px}.page-hero{padding:65px 0;background:linear-gradient(90deg,#092d50,#0c69b5);color:#fff}.page-hero h1{font-size:38px;margin:0}.detail{display:grid;grid-template-columns:1fr 1fr;gap:45px}.detail img{width:100%;height:430px;object-fit:cover;border-radius:10px}.spec{width:100%;border-collapse:collapse;margin-top:20px}.spec td{border:1px solid var(--line);padding:11px}.spec td:first-child{background:#f5f8fb;width:35%;font-weight:700}
.form{display:grid;gap:14px}.form input,.form textarea,.form select{padding:13px;border:1px solid #d8e2ec;border-radius:5px;font:inherit}.form textarea{min-height:150px}.notice{padding:15px;background:#fff8ed;border-left:4px solid var(--orange);color:#78511e}
@media(max-width:900px){.menu{gap:12px;font-size:13px}.products,.features{grid-template-columns:repeat(2,1fr)}.about,.detail,.news{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:38px}.stats{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.top .container{display:none}.nav{height:auto;padding:12px 0}.menu{display:none}.hotline{font-size:12px}.products,.features,.footer-grid{grid-template-columns:1fr}.hero{min-height:500px}.hero h1{font-size:32px}.section{padding:48px 0}.stats{grid-template-columns:1fr 1fr}.stat strong{font-size:28px}.cta .container{display:block;padding:35px 0}}