*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",-apple-system,"Segoe UI",sans-serif;color:#2b2f36;background:#f5f6f8;line-height:1.7;padding-bottom:0}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.w{max-width:1180px;margin:0 auto;padding:0 16px}
/* 顶部联系条 */
.topbar{background:#0b4f6c;color:#dce6f0;font-size:13px}
.topbar .w{display:flex;justify-content:space-between;align-items:center;height:40px;flex-wrap:wrap}
.topbar a{color:#ffb466;font-weight:bold;font-size:15px}
/* 导航 */
nav{background:#fff;box-shadow:0 1px 4px rgba(8,40,60,.1);position:sticky;top:0;z-index:50}
nav .w{display:flex;align-items:center;justify-content:space-between;height:64px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px}
.logo .mark{width:36px;height:36px;border-radius:8px;background:#0b4f6c;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:16px}
.logo b{font-size:19px;color:#0b4f6c}
.logo small{display:block;font-size:11px;color:#78808c;font-weight:normal}
.navlinks{display:flex;gap:4px;flex-wrap:wrap;align-items:center;position:relative}
.navlinks a{padding:8px 13px;border-radius:6px;font-size:15px;color:#3a4150}
.navlinks a:hover{background:#eaf3f8;color:#0b6ea3}
.navlinks a.on{background:#0b6ea3;color:#fff}
.navlinks .hasSub{position:relative}
.navlinks .subMenu{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid #e2ecf2;border-radius:8px;box-shadow:0 10px 24px rgba(8,40,60,.14);padding:8px;min-width:150px;z-index:60}
.navlinks .hasSub:hover .subMenu{display:block}
.navlinks .subMenu a{display:block;padding:9px 14px;font-size:14px;white-space:nowrap;border-radius:6px}
.navTel{display:inline-flex;align-items:center;gap:6px;border:2px solid #f07f2a;color:#f07f2a !important;font-weight:bold;border-radius:8px;padding:5px 13px !important;margin-left:6px}
/* 面包屑 */
.crumb{font-size:12px;color:#8a92a0;margin-bottom:14px}
.crumb a:hover{color:#0b6ea3}
.crumb em{font-style:normal;color:#3a4150}
/* 通用hero */
.pageHero{background:linear-gradient(160deg,#eef6fa 0%,#dfeef6 100%);padding:40px 0}
.pageHero h1{font-size:28px;color:#0b4f6c;line-height:1.35;margin-bottom:10px}
.pageHero .sub{font-size:15px;color:#5a6372}
/* 首页hero */
.hero{background:linear-gradient(160deg,#eef6fa 0%,#dfeef6 100%);padding:44px 0}
.hero .w{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.heroL{flex:1.2;min-width:300px}
h1{font-size:30px;color:#0b4f6c;line-height:1.35;margin-bottom:12px}
.heroSub{font-size:15px;color:#5a6372;margin-bottom:18px}
.heroSub b{color:#d95d10}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.pills span{background:#fff;border:1px solid #cfe3ef;color:#0b6ea3;border-radius:999px;padding:5px 13px;font-size:13px}
.cta{display:inline-flex;align-items:center;gap:8px;background:#f07f2a;color:#fff;font-size:18px;font-weight:bold;padding:14px 32px;border-radius:8px;box-shadow:0 4px 14px rgba(240,127,42,.35)}
.cta:hover{background:#e06f1e}
.heroR{flex:1;min-width:280px;text-align:center}
.heroImg{width:100%;max-width:520px;aspect-ratio:4/3;object-fit:cover;border-radius:12px;box-shadow:0 10px 30px rgba(11,79,108,.2);display:block;margin:0 auto}
/* 数据条 */
.stats{background:#0b4f6c;color:#fff;padding:18px 0}
.stats .w{display:flex;justify-content:space-around;flex-wrap:wrap;gap:10px}
.stat{text-align:center;min-width:130px}
.stat b{display:block;font-size:21px;color:#ffb466}
.stat span{font-size:13px;color:#bcd4e2}
/* 区块 */
section{padding:46px 0}
.secHead{text-align:center;margin-bottom:30px}
.secHead h2{font-size:26px;color:#0b4f6c;margin-bottom:8px}
.secHead p{font-size:14px;color:#8a92a0}
/* 产品卡 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{background:#fff;border-radius:10px;overflow:hidden;border:1px solid #e8ecf2;transition:transform .2s,box-shadow .2s;display:block}
.pcard:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(11,79,108,.14)}
.pcard .img{display:block;background:#eef2f7}
.pcard .img img{display:block;width:100%;height:180px;object-fit:cover}
.pcard h3{font-size:16px;color:#0b4f6c;padding:12px 14px 4px}
.pcard p{font-size:13px;color:#5a6372;padding:0 14px 8px;line-height:1.6}
.pcard .scene{font-size:12px;color:#8a92a0;padding:0 14px 14px}
.pcard .scene em{color:#d95d10;font-style:normal}
.moreLink{text-align:center;margin-top:26px}
.moreLink a{display:inline-block;border:1px solid #0b6ea3;color:#0b6ea3;border-radius:8px;padding:10px 28px;font-size:14px}
.moreLink a:hover{background:#0b6ea3;color:#fff}
/* 分类块标题 */
.catBlock{margin-bottom:34px}
.catHead{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;border-left:5px solid #0b6ea3;padding-left:14px;margin-bottom:6px}
.catHead h3{font-size:21px;color:#0b4f6c}
.catHead a{font-size:13px;color:#0b6ea3}
.catHead a:hover{color:#f07f2a}
.catDesc{font-size:13.5px;color:#8a92a0;margin-bottom:18px;padding-left:19px}
/* 案例卡 */
.caseGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.caseCard{background:#fff;border:1px solid #e8ecf2;border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.caseCard img{width:100%;height:230px;object-fit:cover;display:block}
.caseCard .body{padding:16px 18px}
.caseCard h3{font-size:17px;color:#0b4f6c;margin-bottom:8px}
.caseCard p{font-size:13.5px;color:#5a6372}
/* 新闻卡 */
.newsGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.artCard{background:#fff;border:1px solid #e8ecf2;border-radius:12px;padding:24px;transition:transform .2s,box-shadow .2s}
.artCard:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(11,79,108,.12)}
.artMeta{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:12px}
.artTag{background:#eaf3f8;color:#0b6ea3;padding:3px 10px;border-radius:4px;font-weight:bold}
.artMeta time{color:#8a92a0}
.artCard h3{font-size:18px;color:#0b4f6c;margin-bottom:10px;line-height:1.4}
.artCard h3 a:hover{color:#0b6ea3}
.artSummary{font-size:14px;color:#4a5262;line-height:1.7;margin-bottom:14px}
.artFoot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-top:12px;border-top:1px dashed #e8ecf2}
.readMore{color:#f07f2a;font-weight:bold;font-size:14px;white-space:nowrap}
.readMore:hover{color:#d95d10}
.newsList li{list-style:none;padding:12px 0;border-bottom:1px dashed #e2e7ee;display:flex;justify-content:space-between;gap:16px}
.newsList li a{font-size:15px;color:#3a4150}
.newsList li a:hover{color:#0b6ea3}
.newsList li time{color:#8a92a0;font-size:13px;white-space:nowrap}
/* 行业标签条 */
.indust{background:#fff;border-top:1px solid #eef1f5;border-bottom:1px solid #eef1f5}
.indWrap{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.indWrap span{background:#eef6fa;border:1px solid #cfe3ef;color:#0b6ea3;padding:9px 20px;border-radius:8px;font-size:14px}
/* 关于 */
.about .w{display:flex;gap:36px;align-items:flex-start;flex-wrap:wrap}
.aboutBox{flex:1.3;min-width:300px}
.aboutBox h2{font-size:24px;color:#0b4f6c;margin-bottom:14px}
.aboutBox p{font-size:15px;color:#4a5262;margin-bottom:12px;text-indent:2em}
.aboutSide{flex:1;min-width:260px}
.aboutSide img{border-radius:12px;box-shadow:0 8px 24px rgba(11,79,108,.16);width:100%;display:block}
.kpi{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.kpi div{background:#fff;border-left:3px solid #0b6ea3;padding:12px 14px;border-radius:0 8px 8px 0}
.kpi b{color:#0b4f6c;font-size:16px}
.kpi span{display:block;font-size:12px;color:#8a92a0}
.promise{background:#fff;border:1px solid #e8ecf2;border-radius:12px;padding:22px;margin-top:18px}
.promise h3{font-size:16px;color:#0b4f6c;margin-bottom:12px}
.promise li{list-style:none;font-size:14px;color:#4a5262;padding:7px 0;border-bottom:1px dashed #e8ecf2;display:flex;gap:8px}
.promise li:last-child{border-bottom:0}
.promise li:before{content:"✓";color:#1a9e75;font-weight:bold}
/* 优势 */
.adv{background:#0b4f6c}
.adv .secHead h2{color:#fff}
.adv .secHead p{color:#9dc0d4}
.advGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.advCard{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:20px}
.advCard h3{color:#ffb466;font-size:16px;margin-bottom:8px}
.advCard p{color:#d5e6f0;font-size:13.5px}
/* FAQ */
.faqList{max-width:860px;margin:0 auto}
.faqList details{background:#fff;border:1px solid #e8ecf2;border-radius:10px;margin-bottom:12px;overflow:hidden}
.faqList summary{padding:15px 20px;font-size:15px;color:#0b4f6c;cursor:pointer;font-weight:bold;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faqList summary::-webkit-details-marker{display:none}
.faqList summary:after{content:"＋";color:#0b6ea3;font-size:18px}
.faqList details[open] summary:after{content:"－"}
.faqList details p{padding:0 20px 16px;font-size:14px;color:#5a6372}
/* CTA横幅 */
.ctaBand{background:linear-gradient(120deg,#0b6ea3,#0b4f6c);color:#fff;text-align:center;padding:48px 16px}
.ctaBand h2{font-size:26px;margin-bottom:10px}
.ctaBand p{color:#cfe0ea;margin-bottom:22px;font-size:15px}
.ctaBand .cta{font-size:20px;padding:16px 44px}
/* 文章页 */
.artBody{background:#fff;border-radius:12px;padding:38px 32px;margin:30px 0;border:1px solid #e8ecf2}
.artBody p{font-size:15.5px;color:#3a4150;margin-bottom:16px;text-indent:2em;line-height:1.85}
.artBody p strong{color:#d95d10;font-weight:bold}
.artBody h3{font-size:19px;color:#0b4f6c;margin:26px 0 14px;padding-left:14px;border-left:4px solid #0b6ea3;line-height:1.4;text-indent:0}
.artBody p:last-child{margin-bottom:0}
.kwBox{background:#eef6fa;border:1px solid #cfe3ef;border-radius:8px;padding:14px 18px;margin:24px 0;font-size:13px;color:#5a6372;line-height:1.8}
.kwBox b{color:#0b4f6c}
.related{background:#fff;border:1px solid #e8ecf2;border-radius:10px;padding:24px 28px;margin:30px 0}
.related h2{font-size:18px;color:#0b4f6c;margin-bottom:14px}
.related li{padding:10px 0;border-bottom:1px dashed #e8ecf2;list-style:none}
.related li:last-child{border-bottom:0}
.related li a{font-size:14px;color:#3a4150}
.related li a:hover{color:#0b6ea3}
.related li time{float:right;color:#8a92a0;font-size:12px}
/* 联系页 */
.contactGrid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.contactCard{background:#fff;border:1px solid #e8ecf2;border-radius:12px;padding:30px}
.contactCard h2{font-size:20px;color:#0b4f6c;margin-bottom:16px}
.contactCard li{list-style:none;padding:11px 0;border-bottom:1px dashed #e8ecf2;font-size:15px;color:#4a5262;display:flex;gap:10px}
.contactCard li:last-child{border-bottom:0}
.contactCard li b{color:#0b4f6c;min-width:92px}
.contactCard .bigTel{display:block;background:#f07f2a;color:#fff;text-align:center;font-size:24px;font-weight:bold;padding:16px;border-radius:10px;margin:18px 0 10px;box-shadow:0 4px 14px rgba(240,127,42,.35)}
.areaTags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.areaTags span{background:#eef6fa;border:1px solid #cfe3ef;color:#0b6ea3;padding:5px 12px;border-radius:6px;font-size:13px}
/* 页脚 */
footer{background:#083a50;color:#a9c3d4;font-size:13px;margin-top:0}
.fCols{display:grid;grid-template-columns:1.1fr 1fr 1.2fr;gap:30px;padding:38px 0}
.fCols h4{color:#fff;font-size:15px;margin-bottom:12px}
.fCols li{list-style:none;margin-bottom:7px}
.fCols a:hover{color:#ffb466}
.fBrand{font-size:17px;color:#fff;font-weight:bold;margin-bottom:10px}
.fTel{color:#ffb466;font-size:22px;font-weight:bold;display:block;margin:8px 0}
.cityLinks{display:flex;flex-wrap:wrap;gap:6px}
.cityLinks a{background:rgba(255,255,255,.07);padding:4px 10px;border-radius:5px}
.copy{border-top:1px solid rgba(255,255,255,.12);padding:14px 0;text-align:center;font-size:12px;color:#7da2b8}
.copy a{color:#9dbcd0}
.discBox{background:#083a50;padding:0 0 24px}
.discBox p{font-size:11px;color:#6f93a8;line-height:1.8;text-indent:2em;max-width:1080px;margin:0 auto}
/* 移动端吸底通话栏 */
.mCallBar{display:none}
@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .advGrid{grid-template-columns:repeat(2,1fr)}
  .fCols{grid-template-columns:1fr 1fr}
  .caseGrid,.newsGrid,.contactGrid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .grid{grid-template-columns:1fr}.advGrid{grid-template-columns:1fr}
  .hero .w{flex-direction:column-reverse}h1{font-size:24px}
  .navlinks{display:none}
  .fCols{grid-template-columns:1fr}
  body{padding-bottom:64px}
  .mCallBar{display:block;position:fixed;bottom:0;left:0;right:0;z-index:99;background:#fff;box-shadow:0 -2px 12px rgba(8,40,60,.14);padding:8px 12px}
  .mCallBar a{display:block;background:#f07f2a;color:#fff;text-align:center;font-size:17px;font-weight:bold;padding:12px;border-radius:8px}
}