@charset "utf-8";
/* 腾龙保险 官网样式表 | 商务科技蓝企业站 如需修改主题色，仅需改动 :root 变量 */
:root{
  --navy:#0B2E6F; --navy-d:#061B44; --navy-l:#123E92;
  --blue:#1E6FD9; --cyan:#00A8FF; --sky:#EAF2FF;
  --grad:linear-gradient(135deg,#0B2E6F 0%,#1E6FD9 60%,#00A8FF 100%);
  --grad2:linear-gradient(120deg,#123E92 0%,#1E6FD9 100%);
  --text:#1F2937; --muted:#6B7280; --light:#9CA3AF;
  --bg:#F4F7FB; --white:#fff; --border:#E4EBF5; --bd2:#D3E0F2;
  --radius:14px; --shadow:0 6px 24px rgba(11,46,111,.08);
  --shadow2:0 16px 48px rgba(11,46,111,.16);
  --max:1240px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:.25s}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.4;color:var(--navy-d)}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 15px}
.clearfix::after{content:"";display:block;clear:both}

/* ============ 顶部工具条 ============ */
.topbar{background:var(--navy-d);color:#c3d5f5;font-size:13px;height:38px;line-height:38px;position:relative;z-index:60}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center}
.topbar span{margin-right:18px}
.topbar a{color:#c3d5f5}
.topbar a:hover{color:#fff}
.topbar .r span:last-child{margin-right:0}
.topbar b{color:var(--cyan);font-weight:600}

/* ============ 头部 ============ */
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(11,46,111,.07)}
.header .wrap{display:flex;align-items:center;height:78px;gap:18px;flex-wrap:nowrap}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;white-space:nowrap}
.logo svg{width:44px;height:44px;flex:0 0 auto}
.logo .txt{min-width:0}
.logo .txt strong{display:block;font-size:20px;color:var(--navy);letter-spacing:2px;line-height:1.2;white-space:nowrap}
.logo .txt em{display:block;font-style:normal;font-size:10px;letter-spacing:1.2px;color:var(--muted);text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{margin-left:auto;flex:1 1 auto;min-width:0}
.nav>ul{display:flex;flex-wrap:nowrap;justify-content:flex-end}
.nav>ul>li{position:relative;flex:0 0 auto}
.nav>ul>li>a{display:block;padding:0 12px;height:78px;line-height:78px;font-size:15px;color:var(--text);position:relative;font-weight:500;white-space:nowrap}
.nav>ul>li>a::after{content:"";position:absolute;left:16px;right:16px;bottom:18px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:.3s}
.nav>ul>li:hover>a,.nav>ul>li.active>a{color:var(--blue)}
.nav>ul>li:hover>a::after,.nav>ul>li.active>a::after{transform:scaleX(1)}
.nav .sub{position:absolute;left:0;top:78px;background:#fff;min-width:190px;box-shadow:var(--shadow2);border-radius:0 0 10px 10px;padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s}
.nav>ul>li:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav .sub a{display:block;padding:8px 20px;font-size:14px;color:var(--muted)}
.nav .sub a:hover{background:var(--sky);color:var(--blue)}
.hbtn{margin-left:0;flex:0 0 auto;display:flex;align-items:center;gap:14px}
.tel{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--navy);white-space:nowrap}
.tel i{width:30px;height:30px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center}
.tel svg{width:16px;height:16px;fill:#fff}
.mmenu{display:none;width:34px;height:34px;border:1px solid var(--bd2);border-radius:6px;background:#fff;position:relative;cursor:pointer}
.mmenu i{display:block;width:18px;height:2px;background:var(--navy);position:absolute;left:8px;transition:.25s}
.mmenu i:nth-child(1){top:11px}.mmenu i:nth-child(2){top:16px}.mmenu i:nth-child(3){top:21px}

/* ============ 按钮 ============ */
.btn{display:inline-block;padding:12px 30px;border-radius:30px;font-size:15px;font-weight:600;text-align:center;transition:.3s;border:1px solid transparent}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(30,111,217,.32)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(30,111,217,.42)}
.btn-o{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-o:hover{background:#fff;color:var(--navy)}
.btn-b{background:var(--sky);color:var(--navy)}
.btn-b:hover{background:var(--blue);color:#fff}
.btn-sm{padding:7px 18px;font-size:13px;border-radius:20px}

/* ============ 首屏 ============ */
.hero{position:relative;min-height:560px;background:var(--navy-d) url("../img/banner.jpg") center/cover no-repeat;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,27,68,.92) 0%,rgba(6,27,68,.72) 55%,rgba(11,46,111,.35) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:60px;padding-bottom:60px}
.hero h1{font-size:44px;color:#fff;line-height:1.35;margin-bottom:18px;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero p.sub{font-size:17px;color:#d3e3ff;max-width:640px;margin-bottom:28px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero .tags{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap}
.hero .tags span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:5px 14px;border-radius:20px;font-size:13px}
.hero-dots{position:absolute;left:0;right:0;bottom:22px;z-index:3;display:flex;justify-content:center;gap:8px}
.hero-dots b{width:22px;height:4px;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer}
.hero-dots b.on{background:var(--cyan);width:36px}

/* 快捷入口 */
.quick{background:#fff;border-bottom:1px solid var(--border)}
.quick ul{display:grid;grid-template-columns:repeat(5,1fr)}
.quick li{border-right:1px solid var(--border)}
.quick li:last-child{border-right:0}
.quick a{display:flex;flex-direction:column;align-items:center;gap:6px;padding:22px 8px;text-align:center;font-size:14px;color:var(--text)}
.quick a svg{width:30px;height:30px;fill:var(--blue);transition:.3s}
.quick a:hover{background:var(--sky)}
.quick a:hover svg{transform:translateY(-3px)}
.quick a small{display:block;color:var(--light);font-size:12px}

/* ============ 通用版块 ============ */
.sec{padding:64px 0}
.sec-b{background:#fff}
.sec-g{background:var(--bg)}
.sec-n{background:var(--grad2);color:#fff}
.sec-n h2,.sec-n h3,.sec-n p{color:#fff}
.sec-n .desc{color:#c7dcff}
.tit{text-align:center;margin-bottom:42px}
.tit h2{font-size:30px;position:relative;display:inline-block;padding-bottom:14px}
.tit h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:52px;height:3px;background:var(--grad);border-radius:2px}
.tit .desc{color:var(--muted);margin-top:12px;font-size:15px}
.tit-l{text-align:left}
.tit-l h2::after{left:0;transform:none}
.sec-n .tit h2{color:#fff}
.sec-n .tit h2::after{background:rgba(255,255,255,.8)}

/* 数据 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats div{background:var(--sky);border-radius:var(--radius);padding:26px 12px}
.stats b{display:block;font-size:34px;color:var(--navy);line-height:1.2;font-variant-numeric:tabular-nums}
.stats span{color:var(--muted);font-size:14px}

/* 服务卡片 */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc article{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;border:1px solid var(--border);display:flex;flex-direction:column}
.svc article:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.svc .pic{position:relative;overflow:hidden;height:190px}
.svc .pic img{width:100%;height:100%;object-fit:cover;transition:.5s}
.svc article:hover .pic img{transform:scale(1.06)}
.svc .pic em{position:absolute;left:0;bottom:0;background:var(--grad);color:#fff;font-style:normal;font-size:12px;padding:4px 12px;border-radius:0 8px 0 0}
.svc .bd{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.svc h3{font-size:18px;margin-bottom:8px}
.svc h3 a:hover{color:var(--blue)}
.svc p{color:var(--muted);font-size:14px;flex:1}
.svc .more{color:var(--blue);font-size:13px;margin-top:14px;display:inline-block}
.svc .more::after{content:" →"}

/* 优势 */
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv li{background:#fff;border-radius:var(--radius);padding:28px 24px;border:1px solid var(--border);position:relative;transition:.3s}
.adv li:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.adv .n{font-size:34px;font-weight:800;color:var(--sky);line-height:1;position:absolute;right:20px;top:16px}
.adv h3{font-size:17px;margin:12px 0 8px}
.adv p{color:var(--muted);font-size:14px}

/* 行业方案 */
.ind{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ind a{display:block;background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px 16px;text-align:center;font-weight:600;transition:.3s}
.ind a:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-4px)}
.ind a small{display:block;font-weight:400;font-size:12px;color:var(--light);margin-top:4px}
.ind a:hover small{color:#d6e8ff}

/* 案例 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cases article{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cases .pic{height:150px;overflow:hidden}
.cases .pic img{width:100%;height:100%;object-fit:cover;transition:.5s}
.cases article:hover .pic img{transform:scale(1.06)}
.cases .bd{padding:18px 20px 22px}
.cases h3{font-size:16px;margin-bottom:6px}
.cases p{font-size:13.5px;color:var(--muted)}
.cases .k{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.cases .k span{background:var(--sky);color:var(--navy);font-size:12px;padding:3px 10px;border-radius:4px}

/* 新闻 */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news article{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;border:1px solid transparent}
.news article:hover{transform:translateY(-5px);border-color:var(--bd2);box-shadow:var(--shadow2)}
.news .pic{height:170px;overflow:hidden}
.news .pic img{width:100%;height:100%;object-fit:cover}
.news .bd{padding:18px 20px 22px}
.news .meta{font-size:12px;color:var(--light);margin-bottom:8px}
.news .meta i{font-style:normal;color:var(--blue);background:var(--sky);padding:2px 8px;border-radius:4px;margin-right:8px}
.news h3{font-size:16.5px;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news h3 a:hover{color:var(--blue)}
.news p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* 资讯列表页 */
.nlist article{display:flex;gap:22px;background:#fff;border-radius:var(--radius);padding:18px;margin-bottom:18px;box-shadow:var(--shadow);transition:.3s;border:1px solid var(--border)}
.nlist article:hover{box-shadow:var(--shadow2);border-color:var(--bd2)}
.nlist .pic{flex:0 0 240px;height:150px;border-radius:10px;overflow:hidden}
.nlist .pic img{width:100%;height:100%;object-fit:cover}
.nlist .bd{flex:1;min-width:0}
.nlist h2{font-size:19px;margin:6px 0 8px;line-height:1.5}
.nlist h2 a:hover{color:var(--blue)}
.nlist p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.nlist .meta{font-size:12.5px;color:var(--light);display:flex;gap:14px;flex-wrap:wrap}

/* 分页 */
.page{display:flex;justify-content:center;gap:8px;margin:34px 0 0;flex-wrap:wrap}
.page a,.page span{padding:8px 16px;border:1px solid var(--bd2);border-radius:6px;background:#fff;font-size:14px;color:var(--muted)}
.page a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.page .cur{background:var(--navy);color:#fff;border-color:var(--navy)}

/* CTA */
.cta{background:var(--grad);padding:46px 0;color:#fff}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta h2{font-size:26px;color:#fff}
.cta p{color:#d6e8ff;margin-top:6px}

/* 关于首页 */
.abt{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.abt .pic{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow2);position:relative}
.abt .pic img{width:100%}
.abt .pic .y{position:absolute;left:0;bottom:0;background:var(--grad);color:#fff;padding:18px 26px;border-radius:0 14px 0 0}
.abt .pic .y b{font-size:28px;display:block;line-height:1.2}
.abt h2{font-size:28px;margin-bottom:14px}
.abt p{color:#4B5563;margin-bottom:14px;text-align:justify}
.abt .kv{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 24px}
.abt .kv div{background:#fff;border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-size:14px}
.abt .kv div b{color:var(--blue);margin-right:6px}

/* 首屏文案轮播 */
.hero .slide{display:none}
.hero .slide.on{display:block}
.hero .slide h1,.hero .slide .st{font-size:44px;color:#fff;line-height:1.35;margin-bottom:18px;letter-spacing:1px;font-weight:700}
.hero .slide h1 em,.hero .slide .st em{font-style:normal;color:var(--cyan)}
/* 行业方案切换 */
.itabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.itabs .itab{padding:8px 20px;border:1px solid var(--bd2);border-radius:24px;background:#fff;font-size:14.5px;color:var(--muted);cursor:pointer;transition:.25s}
.itabs .itab:hover{border-color:var(--blue);color:var(--blue)}
.itabs .itab.on{background:var(--grad);color:#fff;border-color:transparent}
.ipanel{display:none;padding:20px 22px;background:var(--sky);border-radius:12px;border-left:4px solid var(--blue)}
.ipanel.on{display:block}
.ipanel h3{font-size:19px;margin-bottom:10px}
.ipanel p{color:#4B5563;margin-bottom:10px}
.ipanel li{list-style:disc;margin-left:20px;color:#374151;font-size:14.5px;margin-bottom:6px}

/* ============ 内页 ============ */
.pbanner{background:var(--navy-d) url("../img/about.jpg") center/cover no-repeat;position:relative;padding:64px 0;color:#fff}
.pbanner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,27,68,.9),rgba(11,46,111,.6))}
.pbanner .wrap{position:relative;z-index:2}
.pbanner h1{font-size:34px;color:#fff}
.pbanner p{color:#cfdffb;margin-top:8px}
.crumb{background:#fff;border-bottom:1px solid var(--border);font-size:13px}
.crumb .wrap{padding:12px 15px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}
.crumb i{font-style:normal;margin:0 6px;color:var(--light)}
.crumb .cur{color:var(--navy);font-weight:600}
.main-wrap{display:grid;grid-template-columns:1fr 320px;gap:32px;padding:44px 0 66px;align-items:start}
.content{background:#fff;border-radius:var(--radius);padding:36px 40px;box-shadow:var(--shadow)}
.content h2{font-size:24px;margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--blue)}
.content h2:first-child{margin-top:0}
.content h3{font-size:18px;margin:24px 0 10px;color:var(--navy)}
.content p{margin-bottom:16px;color:#374151;text-align:justify;line-height:1.95}
.content ul{padding-left:20px;margin-bottom:18px}
.content li{list-style:disc;margin-bottom:8px;color:#374151}
.content .lead{background:var(--sky);border-left:4px solid var(--blue);padding:16px 20px;border-radius:0 8px 8px 0;margin-bottom:22px;color:var(--navy-d)}
.content img{border-radius:10px;margin:16px 0}
.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--light);padding-bottom:16px;border-bottom:1px dashed var(--border);margin-bottom:22px}
.art-meta span i{font-style:normal;color:var(--blue);margin-right:4px}
.art-tags{margin-top:28px;padding-top:20px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted)}
.art-tags a{display:inline-block;background:var(--sky);color:var(--navy);padding:4px 12px;border-radius:20px;margin:6px 6px 0 0;font-size:12.5px}
.art-tags a:hover{background:var(--blue);color:#fff}
.art-nav{display:flex;justify-content:space-between;gap:16px;margin-top:26px;font-size:14px;flex-wrap:wrap}
.art-nav a{color:var(--muted);max-width:48%}
.art-nav a:hover{color:var(--blue)}
.relate{margin-top:34px}
.relate h3{font-size:18px;margin-bottom:14px;padding-left:10px;border-left:4px solid var(--navy)}
.relate ul li{padding:9px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.relate ul li a{display:flex;justify-content:space-between;gap:12px}
.relate ul li span{color:var(--light);font-size:12.5px;flex:0 0 auto}
.relate ul li a:hover{color:var(--blue)}

/* 侧栏 */
.side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.box{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.box h3{font-size:17px;padding:16px 20px;border-bottom:1px solid var(--border);background:linear-gradient(90deg,var(--sky),#fff)}
.box .in{padding:16px 20px}
.box .in p{font-size:14px;color:var(--muted)}
.slnav a{display:block;padding:11px 20px;font-size:14.5px;border-bottom:1px solid #F1F5FB;color:#374151}
.slnav a:hover,.slnav a.on{background:var(--sky);color:var(--blue);border-left:3px solid var(--blue)}
.slist li{padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px;display:flex;gap:10px}
.slist li:last-child{border-bottom:0}
.slist li b{color:var(--blue);font-size:13px;flex:0 0 auto}
.slist li a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.slist li a:hover{color:var(--blue)}
.scontact{background:var(--grad);color:#fff;padding:22px 20px;text-align:center}
.scontact h3{font-size:19px;color:#fff}
.scontact p{color:#d6e8ff;font-size:13px;margin:6px 0 12px}
.scontact .t{font-size:24px;font-weight:700;display:block;margin-bottom:12px}
.scontact .btn{background:#fff;color:var(--navy)}

/* 表格 */
.tb{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px}
.tb th,.tb td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.tb th{background:var(--sky);color:var(--navy)}
.tb tr:nth-child(even) td{background:#FAFCFF}

/* 表单 */
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .fld{margin-bottom:16px}
.form label{display:block;font-size:14px;margin-bottom:6px;color:var(--navy);font-weight:600}
.form label i{color:#E11D48;font-style:normal}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--bd2);border-radius:8px;padding:11px 14px;background:#FBFCFE;transition:.25s}
.form input:focus,.form textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(30,111,217,.12)}
.form textarea{min-height:110px;resize:vertical}
.form .btn{border:0;cursor:pointer}
.form .tip{font-size:12.5px;color:var(--light);margin-top:8px}

/* 历程 */
.tl{position:relative;padding-left:34px}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--bd2)}
.tl li{position:relative;padding-bottom:26px}
.tl li::before{content:"";position:absolute;left:-30px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:2px solid #fff;box-shadow:0 0 0 3px var(--sky)}
.tl b{color:var(--navy);font-size:17px;margin-right:10px}
.tl p{color:var(--muted);font-size:14px;margin-top:4px}

/* 职位 */
.job{border:1px solid var(--border);border-radius:10px;padding:20px 22px;margin-bottom:16px;background:#fff;transition:.3s}
.job:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.job h3{font-size:17px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.job h3 span{font-size:13px;color:var(--blue);background:var(--sky);padding:3px 12px;border-radius:20px;font-weight:500}
.job p{font-size:14px;color:var(--muted);margin-top:8px}
.job .req{font-size:13.5px;margin-top:10px;color:#374151}

/* 加盟优势 */
.join{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.join div{background:#fff;border-radius:12px;padding:24px 20px;text-align:center;border:1px solid var(--border)}
.join div b{display:block;font-size:26px;color:var(--blue);margin-bottom:6px}
.join div h4{font-size:15px;margin-bottom:6px}
.join div p{font-size:13px;color:var(--muted)}

/* 联系信息 */
.cinfo{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:30px}
.cinfo div{background:var(--sky);border-radius:12px;padding:22px}
.cinfo b{display:block;color:var(--navy);font-size:16px;margin-bottom:6px}
.cinfo p{font-size:14px;color:#4B5563}


/* ============ 单页面版组件 ============ */
section[id]{scroll-margin-top:86px}
/* 服务卡片网格（概览） */
.svcgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.svcgrid article{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:.3s}
.svcgrid article:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.svcgrid .pic{position:relative;height:180px;overflow:hidden}
.svcgrid .pic img{width:100%;height:100%;object-fit:cover;transition:.5s}
.svcgrid article:hover .pic img{transform:scale(1.06)}
.svcgrid .pic em{position:absolute;left:0;bottom:0;background:var(--grad);color:#fff;font-style:normal;font-size:12px;padding:4px 12px;border-radius:0 8px 0 0}
.svcgrid .bd{padding:18px 20px 22px}
.svcgrid h3{font-size:17px;margin-bottom:8px}
.svcgrid p{color:var(--muted);font-size:14px}
.svcgrid .more{color:var(--blue);font-size:13px;display:inline-block;margin-top:12px}
/* 手风琴 */
.acclist{margin-top:8px}
.acc{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:.25s}
.acc[open]{border-color:var(--bd2);box-shadow:var(--shadow)}
.acc summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:16px 20px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::marker{content:""}
.acc .ac-ico{flex:0 0 auto;margin-left:auto;width:26px;height:26px;border-radius:50%;background:var(--sky);position:relative;transition:.3s}
.acc .ac-ico::before,.acc .ac-ico::after{content:"";position:absolute;left:8px;top:12px;width:10px;height:2px;background:var(--blue);transition:.3s}
.acc .ac-ico::after{transform:rotate(90deg)}
.acc[open] .ac-ico{background:var(--blue)}
.acc[open] .ac-ico::before,.acc[open] .ac-ico::after{background:#fff}
.acc[open] .ac-ico::after{transform:rotate(0)}
/* 服务手风琴 */
.acc-svc .ac-pic{flex:0 0 96px;height:64px;border-radius:8px;overflow:hidden}
.acc-svc .ac-pic img{width:100%;height:100%;object-fit:cover}
.acc-svc .ac-txt{flex:1;min-width:0}
.acc-svc .ac-txt em{display:inline-block;font-style:normal;font-size:12px;background:var(--sky);color:var(--navy);padding:2px 10px;border-radius:20px;margin-bottom:4px}
.acc-svc .ac-txt strong{display:block;font-size:17px;color:var(--navy)}
.acc-svc .ac-txt small{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.acc-bd{border-top:1px dashed var(--border);padding:6px 20px 22px}
.acc-in{max-width:none}
.acc-in p{margin-bottom:14px;color:#374151;text-align:justify;line-height:1.95}
.acc-in h4{font-size:16px;color:var(--navy);margin:22px 0 10px;padding-left:10px;border-left:3px solid var(--blue)}
.acc-in h5{font-size:15px;color:var(--navy);margin:16px 0 8px}
.acc-in h4:first-child{margin-top:16px}
/* 新闻手风琴 */
.acc-news summary{flex-wrap:wrap}
.acc-news .ac-meta{flex:0 0 auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--light)}
.acc-news .ac-meta em{font-style:normal;color:var(--blue);background:var(--sky);padding:2px 9px;border-radius:4px}
.acc-news .ac-meta b{font-weight:400}
.acc-news .ac-title{flex:1 1 420px;min-width:0;font-size:16px;font-weight:600;color:var(--navy);line-height:1.6}
.acc-news .lead2{background:var(--sky);border-left:4px solid var(--blue);padding:14px 18px;border-radius:0 8px 8px 0;margin:16px 0 18px;color:var(--navy-d);font-size:14.5px}
.acc-link{margin-top:18px;padding-top:14px;border-top:1px dashed var(--border);font-size:14px}
.acc-link a{color:var(--blue)}
/* 新闻栏目筛选 */
.nfilter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.nfilter{padding:7px 20px;border:1px solid var(--bd2);border-radius:24px;background:#fff;font-size:14.5px;color:var(--muted);cursor:pointer;transition:.25s;user-select:none}
.nfilter:hover{border-color:var(--blue);color:var(--blue)}
.nfilter.on{background:var(--grad);color:#fff;border-color:transparent}
/* 联系页两栏 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:26px;align-items:start}
@media(max-width:1024px){
  .svcgrid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .svcgrid{grid-template-columns:1fr}
  .acc-svc .ac-pic{flex:0 0 72px;height:52px}
  .acc-news .ac-title{flex:1 1 100%}
  .acc summary{padding:14px 16px}
  .acc-bd{padding:4px 16px 18px}
}

/* ============ 页脚 ============ */
.footer{background:var(--navy-d);color:#a7bde4;padding-top:52px;font-size:14px}
.footer .fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer a{color:#a7bde4}
.footer a:hover{color:#fff;padding-left:4px}
.footer li{padding:5px 0}
.footer .about p{color:#8fa8d2;font-size:13.5px;line-height:1.9;margin-bottom:14px}
.footer .ct b{display:block;color:var(--cyan);font-size:22px;margin-bottom:4px}
.footer .ct span{display:block;color:#8fa8d2;font-size:13px;margin-bottom:10px}
.fbar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:13px;color:#7f97c4}
.fbar .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.fbar a{color:#7f97c4}
.fbar a:hover{color:#fff}
.flink{background:#08234f;padding:14px 0;font-size:13px;color:#8fa8d2}
.flink .wrap{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* 返回顶部 */
#top{position:fixed;right:18px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow2);cursor:pointer;z-index:80;opacity:0;visibility:hidden;transition:.3s;border:0}
#top.on{opacity:1;visibility:visible}
#top svg{width:18px;height:18px;fill:#fff}

/* 移动端抽屉 */
.mask{position:fixed;inset:0;background:rgba(6,27,68,.5);z-index:90;opacity:0;visibility:hidden;transition:.3s}
.mask.on{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;background:#fff;z-index:100;transform:translateX(100%);transition:.3s;overflow-y:auto;padding:20px}
.drawer.on{transform:translateX(0)}
.drawer h5{font-size:16px;color:var(--navy);padding:14px 0;border-bottom:1px solid var(--border);margin:0}
.drawer a{display:block;padding:11px 0;border-bottom:1px solid #F1F5FB;color:var(--text);font-size:15px}
.drawer .dsub-t{cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.drawer .dsub-t i{font-style:normal;color:var(--blue);font-size:18px;line-height:1}
.drawer .dsub a{padding-left:16px;font-size:14px;color:var(--muted);background:#FAFCFF}
.drawer .tel2{margin-top:20px;font-size:20px;font-weight:700;color:var(--navy)}

/* 404 */
.err{text-align:center;padding:80px 0}
.err h1{font-size:120px;color:var(--sky);line-height:1}
.err p{color:var(--muted);margin:14px 0 26px}

/* 站点地图页 */
.smap h3{font-size:18px;margin:26px 0 12px;padding-left:10px;border-left:4px solid var(--blue)}
.smap ul{display:flex;flex-wrap:wrap;gap:12px}
.smap li a{display:block;padding:8px 16px;background:#fff;border:1px solid var(--border);border-radius:8px;font-size:14px}
.smap li a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* 响应式 */
@media(max-width:1180px){
  .nav>ul>li>a{padding:0 9px;font-size:14.5px}
  .logo .txt em{display:none}
  .tel{font-size:16px}
}
@media(max-width:1100px){
  .svc,.news,.cases,.adv{grid-template-columns:repeat(2,1fr)}
  .ind,.join,.cinfo{grid-template-columns:repeat(2,1fr)}
  .main-wrap{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side .box{flex:1 1 300px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav{display:none}
  .hbtn{margin-left:auto}
  .mmenu{display:block}
  .quick ul{grid-template-columns:repeat(3,1fr)}
  .quick li:nth-child(3){border-right:0}
}
@media(max-width:768px){
  .hero{min-height:420px}
  .hero h1{font-size:27px}
  .hero p.sub{font-size:15px}
  .topbar{display:none}
  .svc,.news,.cases,.adv,.ind,.join,.cinfo,.stats{grid-template-columns:1fr}
  .quick ul{grid-template-columns:repeat(2,1fr)}
  .quick li{border-right:0;border-bottom:1px solid var(--border)}
  .abt{grid-template-columns:1fr;gap:24px}
  .content{padding:24px 18px}
  .sec{padding:44px 0}
  .tit h2{font-size:23px}
  .nlist article{flex-direction:column}
  .nlist .pic{flex:none;width:100%;height:180px}
  .form .row{grid-template-columns:1fr}
  .footer .fg{grid-template-columns:1fr 1fr;gap:24px}
  .pbanner h1{font-size:25px}
  .art-nav a{max-width:100%}
  .err h1{font-size:76px}
}