*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei",sans-serif;color:#333;line-height:1.8;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
/* 顶部信息条 */
.topbar{background:#0d3a72;color:#bcd4ef;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#bcd4ef}
/* 导航 */
header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);position:sticky;top:0;z-index:99}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{font-size:25px;font-weight:800;color:#1156a8}
.logo small{display:block;font-size:11px;color:#9aa7b8;letter-spacing:2px;font-weight:400}
.menu{display:flex;gap:4px}
.menu a{padding:10px 18px;font-size:15px;font-weight:500;border-radius:4px}
.menu>a:hover,.menu>a.on{background:#eef4fb;color:#1156a8}
.menu .drop{position:relative}
.menu .drop>a{display:inline-block}
.menu .drop:hover>a,.menu .drop>a.on{background:#eef4fb;color:#1156a8}
.menu .sub{position:absolute;top:100%;left:0;background:#fff;min-width:172px;box-shadow:0 12px 30px rgba(0,0,0,.12);border-radius:6px;padding:6px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s;z-index:120}
.menu .drop:hover .sub{opacity:1;visibility:visible;transform:none}
.menu .sub a{display:block;padding:10px 18px;font-size:14px;white-space:nowrap;border-radius:0}
.menu .sub a:hover{background:#eef4fb;color:#1156a8}
/* 通用按钮 */
.btn{display:inline-block;background:#ffb400;color:#222;padding:13px 36px;border-radius:4px;font-weight:700;transition:.25s}
.btn:hover{background:#ffc333}
.btn.blue{background:#1156a8;color:#fff}
.btn.blue:hover{background:#1463bd}
.btn.line{background:transparent;border:2px solid #fff;color:#fff}
/* 首页大横幅 */
.hero{background:linear-gradient(120deg,#1156a8,#2b86d9);color:#fff;padding:96px 0}
.hero h1{font-size:46px;font-weight:800;margin-bottom:20px;line-height:1.25}
.hero p{font-size:18px;opacity:.92;max-width:620px;margin-bottom:32px}
/* 内页小横幅 */
.pagehead{background:linear-gradient(120deg,#0d3a72,#1c64ad);color:#fff;padding:60px 0;position:relative}
.pagehead h1{font-size:38px;font-weight:800;margin-bottom:10px}
.pagehead .crumb{font-size:14px;opacity:.85}
.pagehead .crumb a:hover{text-decoration:underline}
/* 区块通用 */
.sec{padding:78px 0}
.sec.gray{background:#f4f8fc}
.sec-h{text-align:center;margin-bottom:50px}
.sec-h h2{font-size:34px;font-weight:800;color:#1156a8;margin-bottom:12px}
.sec-h .u{width:56px;height:4px;background:#ffb400;margin:0 auto 14px}
.sec-h p{color:#999}
/* 卡片网格 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid #eef2f7;border-radius:8px;padding:34px 28px;transition:.3s}
.card:hover{box-shadow:0 14px 34px rgba(17,86,168,.14);transform:translateY(-6px)}
.card .ic{width:56px;height:56px;background:#e8f1fc;color:#1156a8;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;margin-bottom:18px}
.card h3{font-size:20px;margin-bottom:12px}
.card p{font-size:15px;color:#666}
/* 关于：图文两栏 */
.two{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.two.r{grid-template-columns:1.1fr .9fr}
.two img{width:100%;border-radius:10px}
.two h3{font-size:30px;font-weight:800;color:#1156a8;margin-bottom:8px}
.two .en{color:#ffb400;font-weight:700;letter-spacing:2px;margin-bottom:16px}
.two p{color:#555;margin-bottom:14px}
/* 数字统计 */
.stats{background:#0e3f7a;color:#fff;padding:60px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats .n{font-size:46px;font-weight:800;color:#ffb400}
.stats .l{margin-top:6px;opacity:.9}
/* 价值观三栏 */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.vals .v{text-align:center;padding:36px 26px;border-radius:10px;background:#f7fafe;border-top:3px solid #1156a8}
.vals .v .ic{font-size:38px;margin-bottom:14px}
.vals .v h3{font-size:21px;margin-bottom:10px;color:#1156a8}
.vals .v p{color:#666;font-size:15px}
/* 发展历程时间线 */
.timeline{max-width:820px;margin:0 auto;position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:#cfe0f3}
.timeline .it{position:relative;padding-bottom:34px}
.timeline .it::before{content:"";position:absolute;left:-30px;top:6px;width:15px;height:15px;border-radius:50%;background:#1156a8;border:3px solid #fff;box-shadow:0 0 0 3px #cfe0f3}
.timeline .yr{font-size:22px;font-weight:800;color:#1156a8;margin-bottom:4px}
.timeline p{color:#666}
/* 产品列表 */
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pitem{border:1px solid #e8eef5;border-radius:10px;overflow:hidden;background:#fff;transition:.3s}
.pitem:hover{box-shadow:0 14px 34px rgba(0,0,0,.1);transform:translateY(-5px)}
.pitem .ph{height:210px;overflow:hidden}
.pitem .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.pitem:hover .ph img{transform:scale(1.08)}
.pitem .pb{padding:22px}
.pitem h3{font-size:19px;margin-bottom:8px}
.pitem p{font-size:14px;color:#777;margin-bottom:12px}
.pitem .more{color:#1156a8;font-weight:700;font-size:14px}
/* 产品详情 */
.pdetail{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.pdetail .big img{width:100%;border-radius:10px;border:1px solid #eee}
.pdetail .thumbs{display:flex;gap:10px;margin-top:12px}
.pdetail .thumbs img{width:80px;height:64px;object-fit:cover;border-radius:6px;border:2px solid #e5e5e5;cursor:pointer}
.pdetail h1{font-size:30px;font-weight:800;margin-bottom:14px;color:#1d2d3f}
.pdetail .lead{color:#666;margin-bottom:20px}
.pdetail .specs{width:100%;border-collapse:collapse;margin:18px 0}
.pdetail .specs td{border:1px solid #e8eef5;padding:11px 14px;font-size:14px}
.pdetail .specs td:first-child{background:#f4f8fc;font-weight:600;width:130px;color:#1156a8}
.detail-body h2{font-size:24px;color:#1156a8;margin:30px 0 14px;padding-left:12px;border-left:4px solid #ffb400}
.detail-body p{margin-bottom:16px;color:#444}
.detail-body img{border-radius:8px;margin:18px 0;width:100%}
/* 新闻列表 */
.nlist .ni{display:grid;grid-template-columns:240px 1fr;gap:26px;padding:26px;border:1px solid #eef2f7;border-radius:10px;margin-bottom:22px;transition:.3s}
.nlist .ni:hover{box-shadow:0 10px 28px rgba(0,0,0,.08)}
.nlist .ni .img{height:160px;border-radius:8px;overflow:hidden}
.nlist .ni .img img{width:100%;height:100%;object-fit:cover}
.nlist .ni .date{color:#1156a8;font-weight:700;margin-bottom:8px}
.nlist .ni h3{font-size:21px;margin-bottom:10px}
.nlist .ni p{color:#777;font-size:15px}
/* 新闻3条（首页） */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news .it{border-bottom:3px solid #1156a8;background:#f8fafd;padding:26px}
.news .it .d{color:#1156a8;font-weight:700;margin-bottom:10px}
.news .it h3{font-size:19px;margin-bottom:10px}
.news .it p{color:#777;font-size:14px}
/* 文章详情头 */
.article-head{text-align:center;border-bottom:1px solid #eee;padding-bottom:24px;margin-bottom:30px}
.article-head h1{font-size:32px;font-weight:800;margin-bottom:14px;color:#1d2d3f}
.article-head .meta{color:#999;font-size:14px}
.article-body{max-width:860px;margin:0 auto}
.article-body h2{font-size:24px;color:#1156a8;margin:30px 0 14px;padding-left:12px;border-left:4px solid #ffb400}
.article-body p{margin-bottom:16px;color:#444}
.article-body img{border-radius:8px;margin:18px 0;width:100%}
.prevnext{display:flex;justify-content:space-between;margin-top:40px;padding-top:24px;border-top:1px solid #eee;font-size:15px;max-width:860px;margin-left:auto;margin-right:auto}
.prevnext a:hover{color:#1156a8}
/* 合作伙伴 */
.partners{display:flex;flex-wrap:wrap;justify-content:center;gap:18px}
.partners div{width:170px;height:74px;background:#f4f8fc;border:1px solid #e8eef5;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#8aa0b8;font-weight:700;text-align:center;font-size:14px;padding:0 8px}
/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:46px}
.cinfo .ci{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid #eef2f7}
.cinfo .ci .ic{width:46px;height:46px;flex:none;background:#eef4fb;color:#1156a8;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px}
.cinfo .ci h4{font-size:16px;margin-bottom:2px}
.cinfo .ci p{color:#666;font-size:15px}
.cform input,.cform textarea{width:100%;padding:13px 15px;border:1px solid #dde6f0;border-radius:6px;margin-bottom:14px;font-family:inherit;font-size:15px}
.cform .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cform button{width:100%;padding:14px;border:none;border-radius:6px;background:#1156a8;color:#fff;font-size:16px;font-weight:700;cursor:pointer}
.cform button:hover{background:#1463bd}
/* CTA 行动号召 */
.cta{background:linear-gradient(120deg,#1156a8,#2b86d9);color:#fff;padding:60px 0;text-align:center}
.cta h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cta p{opacity:.9;margin-bottom:26px}
/* 页脚 */
footer{background:#0b2f5c;color:#9fc0e6;padding:54px 0 30px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px;padding-bottom:34px;border-bottom:1px solid #163f6e}
.foot-grid h4{color:#fff;font-size:17px;margin-bottom:16px}
.foot-grid .flogo{font-size:24px;font-weight:800;color:#fff;margin-bottom:14px}
.foot-grid p,.foot-grid a{font-size:14px;line-height:2;color:#9fc0e6}
.foot-grid a:hover{color:#fff}
.copy{text-align:center;padding-top:24px;font-size:13px;color:#6f93c0}
/* 折叠菜单按钮 */
.navtoggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.navtoggle span{width:26px;height:3px;background:#1156a8;border-radius:2px;transition:.3s}
/* 回到顶部 */
.totop{position:fixed;right:24px;bottom:24px;width:46px;height:46px;background:#1156a8;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;opacity:0;visibility:hidden;transition:.3s;z-index:200;box-shadow:0 6px 18px rgba(17,86,168,.4)}
.totop.show{opacity:1;visibility:visible}
.totop:hover{background:#0d3a72}
/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(30px);transition:.7s ease}
.reveal.in{opacity:1;transform:none}
/* 服务流程 */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.process .p{text-align:center;position:relative;padding:0 6px}
.process .p .num{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:#fff;border:2px solid #1156a8;color:#1156a8;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center}
.process .p:not(:last-child)::after{content:"→";position:absolute;top:22px;right:-12px;color:#ffb400;font-size:22px;font-weight:800}
.process .p h3{font-size:17px;margin-bottom:8px}
.process .p p{font-size:13px;color:#777}
/* 客户评价 */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quotes .q{background:#fff;border:1px solid #eef2f7;border-radius:10px;padding:30px;position:relative}
.quotes .q .mark{font-size:60px;color:#e2ecf7;font-weight:800;line-height:.6;position:absolute;top:22px;right:24px}
.quotes .q p{color:#555;font-size:15px;position:relative;z-index:1;margin-bottom:20px}
.quotes .q .who{display:flex;align-items:center;gap:12px}
.quotes .q .who .av{width:46px;height:46px;border-radius:50%;background:#1156a8;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.quotes .q .who h4{font-size:16px}
.quotes .q .who span{font-size:13px;color:#999}
/* 客户案例 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cases .cs{border-radius:10px;overflow:hidden;border:1px solid #eef2f7;background:#fff;transition:.3s;display:block}
.cases .cs:hover{box-shadow:0 14px 34px rgba(0,0,0,.1);transform:translateY(-5px)}
.cases .cs .img{height:200px;overflow:hidden}
.cases .cs .img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.cases .cs:hover .img img{transform:scale(1.08)}
.cases .cs .b{padding:22px}
.cases .cs .tag{display:inline-block;background:#eef4fb;color:#1156a8;font-size:12px;padding:3px 12px;border-radius:20px;margin-bottom:10px}
.cases .cs h3{font-size:19px;margin-bottom:8px;color:#1d2d3f}
.cases .cs p{font-size:14px;color:#777}
/* 常见问题手风琴 */
.faq{max-width:860px;margin:0 auto}
.faq .item{border:1px solid #e8eef5;border-radius:8px;margin-bottom:14px;overflow:hidden;background:#fff}
.faq .q{padding:20px 24px;font-size:17px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#1d2d3f}
.faq .q .pm{color:#1156a8;font-size:22px;transition:.3s;flex:none;margin-left:14px}
.faq .item.open .q .pm{transform:rotate(45deg)}
.faq .a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:#666;padding:0 24px}
.faq .item.open .a{max-height:300px;padding:0 24px 20px}
/* 服务承诺 */
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.promise .pr{text-align:center;padding:34px 22px;border-radius:10px;background:#f7fafe}
.promise .pr .ic{font-size:36px;margin-bottom:14px}
.promise .pr h3{font-size:18px;margin-bottom:8px;color:#1156a8}
.promise .pr p{font-size:14px;color:#666}
/* 招聘 */
.jobs{max-width:920px;margin:0 auto}
.jobs .jb{border:1px solid #e8eef5;border-radius:10px;padding:24px 28px;margin-bottom:18px;background:#fff;transition:.3s}
.jobs .jb:hover{box-shadow:0 10px 28px rgba(0,0,0,.08);transform:translateY(-2px)}
.jobs .jb .top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.jobs .jb h3{font-size:20px;color:#1d2d3f}
.jobs .jb .pay{color:#ff7a00;font-weight:800;font-size:18px}
.jobs .jb .tags{margin:14px 0}
.jobs .jb .tags span{display:inline-block;background:#f0f5fb;color:#1156a8;font-size:13px;padding:5px 14px;border-radius:20px;margin:0 8px 8px 0}
.jobs .jb .desc{color:#777;font-size:14px;line-height:1.9}
.welfare{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.welfare .w{text-align:center;padding:30px 18px;border-radius:10px;background:#fff;border:1px solid #eef2f7}
.welfare .w .ic{font-size:34px;margin-bottom:12px}
.welfare .w h3{font-size:17px;margin-bottom:6px;color:#1156a8}
.welfare .w p{font-size:13px;color:#777}
@media(max-width:900px){
.menu{display:none}
.cards,.cards.c4,.vals,.plist,.news,.two,.two.r,.contact-grid,.foot-grid,.pdetail,.quotes,.cases,.promise,.welfare{grid-template-columns:1fr}
.stats .wrap{grid-template-columns:repeat(2,1fr);gap:24px}
.nlist .ni{grid-template-columns:1fr}
.hero h1{font-size:34px}
.navtoggle{display:flex}
.menu{position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 0;box-shadow:0 10px 24px rgba(0,0,0,.1);display:none}
.menu.show{display:flex}
.menu>a{border-radius:0;padding:14px 24px;border-bottom:1px solid #f0f4f9}
.menu .drop{width:100%}
.menu .drop>a{display:block;padding:14px 24px;border-bottom:1px solid #f0f4f9}
.menu .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0;background:#f7fafe;border-radius:0}
.menu .sub a{padding:12px 40px;border-bottom:1px solid #eef2f7}
.process{grid-template-columns:1fr}
.process .p:not(:last-child)::after{display:none}
.jobs{max-width:none}
}