@charset "utf-8";
/* ==========================================================================
   山东杰通路桥工程有限公司 · 官网统一样式
   主色：工程蓝  |  点缀：工程金  |  适用：全部页面
   ========================================================================== */

:root{
  --blue:#0e3f73;
  --blue2:#155a9e;
  --blue3:#1f6fc4;
  --blue-d:#0a2f57;
  --blue-xd:#08223d;
  --accent:#f2a202;
  --accent2:#ffb524;
  --ink:#1d2b3a;
  --gray:#5d6b7c;
  --gray2:#8593a3;
  --line:#e3e9f0;
  --bg:#f4f7fa;
  --white:#fff;
  --shadow:0 10px 30px rgba(14,63,115,.10);
  --shadow-sm:0 4px 16px rgba(14,63,115,.07);
  --radius:10px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased;background:#fff;
}
a{text-decoration:none;color:inherit;transition:color .2s}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none}

/* 待企业补充的内容标记（补全后删除 .ph 即可） */
.ph{color:#c87b0a;font-weight:600}
.ph-d{color:#ffce7a;font-weight:600}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.sec{padding:70px 0}
.sec-sm{padding:48px 0}
.bg-gray{background:var(--bg)}
.center{text-align:center}

/* ---------- 通用区块标题 ---------- */
.sec-head{text-align:center;margin-bottom:46px}
.sec-head h2{
  font-size:28px;color:var(--blue);letter-spacing:2px;position:relative;
  display:inline-block;padding-bottom:16px;font-weight:700;
}
.sec-head h2::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:52px;height:4px;background:var(--accent);border-radius:2px;
}
.sec-head p{color:var(--gray2);margin-top:14px;font-size:13px;letter-spacing:2px;text-transform:uppercase}
.sec-head.left{text-align:left}
.sec-head.left h2::after{left:0;transform:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;padding:13px 34px;border-radius:4px;font-size:15.5px;
  letter-spacing:1px;transition:all .22s;border:1.5px solid transparent;cursor:pointer;
}
.btn-a{background:var(--accent);color:#3a2a02;font-weight:700}
.btn-a:hover{background:var(--accent2);transform:translateY(-2px);box-shadow:0 8px 20px rgba(242,162,2,.35)}
.btn-b{background:var(--blue2);color:#fff}
.btn-b:hover{background:var(--blue3);transform:translateY(-2px);box-shadow:0 8px 20px rgba(21,90,158,.32)}
.btn-o{border-color:#fff;color:#fff}
.btn-o:hover{background:#fff;color:var(--blue)}
.btn-og{border-color:var(--blue2);color:var(--blue2)}
.btn-og:hover{background:var(--blue2);color:#fff}
.btn-sm{padding:9px 22px;font-size:14px}

/* ==========================================================================
   顶部信息条 + 导航
   ========================================================================== */
.topbar{background:var(--blue-d);color:#cfe0f2;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar .tb-l{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .tb-r{display:flex;align-items:center;gap:22px;white-space:nowrap}
.topbar a:hover{color:var(--accent2)}
.topbar .tel{color:#ffd98a;font-weight:700;letter-spacing:.5px}

header.nav{
  position:sticky;top:0;z-index:200;background:rgba(255,255,255,.98);
  box-shadow:0 2px 14px rgba(13,51,91,.08);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo svg{flex:none}
.logo b{display:block;font-size:19px;color:var(--blue);letter-spacing:.5px;line-height:1.25;font-weight:700}
.logo small{display:block;font-size:9.5px;color:var(--gray2);letter-spacing:1.4px;margin-top:2px;white-space:nowrap}

.menu{display:flex;gap:2px;align-items:center}
.menu > li > a{display:block;padding:10px 15px;font-size:15.5px;border-radius:6px;position:relative;white-space:nowrap}
.menu > li > a:hover{color:var(--blue2);background:#eef4fb}
.menu > li > a.active{color:var(--blue2);font-weight:700}
.menu > li > a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2.5px;
  background:var(--accent);border-radius:2px;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--blue2);color:#fff;
  padding:10px 18px;border-radius:40px;font-size:14px;white-space:nowrap;
}
.nav-cta:hover{background:var(--blue3);color:#fff}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:0}
.burger span{width:24px;height:3px;background:var(--blue);border-radius:2px;transition:.25s}

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden}
.hero .scene{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,30,56,.90) 0%,rgba(7,30,56,.62) 50%,rgba(7,30,56,.18) 100%)}
.hero .inner{position:relative;z-index:2;color:#fff;width:100%}
.hero .tag{
  display:inline-block;border:1px solid rgba(255,255,255,.5);border-radius:30px;
  padding:6px 18px;font-size:13.5px;letter-spacing:2px;margin-bottom:22px;
}
.hero h1{font-size:46px;letter-spacing:4px;line-height:1.35;text-shadow:0 4px 18px rgba(0,0,0,.32);font-weight:700}
.hero h1 em{font-style:normal;color:var(--accent2)}
.hero .lead{margin-top:20px;font-size:16.5px;color:#e3edf8;max-width:620px}
.hero .btns{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}
.hero .facts{display:flex;gap:38px;flex-wrap:wrap;margin-top:42px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.hero .facts div{color:#cfe0f2;font-size:13px}
.hero .facts b{display:block;font-size:26px;color:#fff;letter-spacing:1px;font-weight:700;line-height:1.2}
.hero .facts b i{font-style:normal;font-size:14px;color:var(--accent2);margin-left:3px}

/* ==========================================================================
   内页 Banner
   ========================================================================== */
.pagehero{
  position:relative;padding:64px 0;color:#fff;
  background:linear-gradient(120deg,#0b3562 0%,#155a9e 62%,#1f6fc4 100%);
  overflow:hidden;
}
.pagehero::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,162,2,.22) 0%,rgba(242,162,2,0) 68%);
}
.pagehero .wrap{position:relative;z-index:2}
.pagehero h1{font-size:34px;letter-spacing:4px;font-weight:700}
.pagehero .en{font-size:12.5px;letter-spacing:3px;color:#a9c8e8;margin-top:8px;text-transform:uppercase}
.crumb{display:flex;gap:8px;align-items:center;font-size:13.5px;color:#bcd5ee;margin-top:18px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb .sp{opacity:.5}

/* ==========================================================================
   卡片 / 网格
   ========================================================================== */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* 业务卡片 */
.biz{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  padding:32px 26px;position:relative;overflow:hidden;transition:.25s;
}
.biz::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:var(--blue2);transform:scaleX(0);transform-origin:left;transition:.25s;
}
.biz:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.biz:hover::before{transform:scaleX(1);background:var(--accent)}
.biz .ic{
  width:58px;height:58px;border-radius:14px;background:#eef4fb;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:.25s;
}
.biz:hover .ic{background:#fff5e2}
.biz h3{font-size:18px;color:var(--blue);margin-bottom:10px;letter-spacing:.5px}
.biz p{font-size:14px;color:var(--gray);line-height:1.8}
.biz .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.biz .tags span{font-size:12.5px;color:var(--blue2);background:#eef4fb;padding:3px 11px;border-radius:20px}
.biz .more{display:inline-block;margin-top:18px;font-size:13.5px;color:var(--accent);font-weight:700}

/* 优势卡片 */
.adv{
  text-align:center;padding:34px 18px;border:1px solid var(--line);
  border-radius:var(--radius);background:#fff;transition:.25s;
}
.adv:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:#d5e4f4}
.adv .ic{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(160deg,#eef4fb,#ddeaff);
  display:flex;align-items:center;justify-content:center;
}
.adv h4{font-size:16.5px;color:var(--blue);margin-bottom:8px}
.adv p{font-size:13.5px;color:var(--gray)}

/* 流程步骤 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  background:#fff;border-radius:var(--radius);padding:30px 22px;text-align:center;
  position:relative;box-shadow:var(--shadow-sm);border:1px solid #eef2f7;
}
.step::before{
  counter-increment:step;content:counter(step);
  display:inline-flex;width:46px;height:46px;border-radius:50%;
  background:linear-gradient(160deg,var(--blue2),var(--blue3));color:#fff;
  font-size:20px;font-weight:700;align-items:center;justify-content:center;margin-bottom:14px;
}
.step h4{font-size:16.5px;color:var(--blue);margin-bottom:8px}
.step p{font-size:13.5px;color:var(--gray)}

/* ==========================================================================
   数据条
   ========================================================================== */
.stats{background:var(--blue);color:#fff;padding:36px 0}
.stats .grid{grid-template-columns:repeat(4,1fr);text-align:center;gap:16px}
.stats b{display:block;font-size:34px;font-weight:700;letter-spacing:1px;line-height:1.2;color:#fff}
.stats b i{font-style:normal;font-size:16px;color:var(--accent);margin-left:4px}
.stats span{display:block;font-size:13.5px;color:#b7d0ea;margin-top:8px;letter-spacing:1px}
.stats .divide > div + div{border-left:1px solid rgba(255,255,255,.14)}

/* ==========================================================================
   公司简介两栏
   ========================================================================== */
.about-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start}
.about-grid h3{font-size:21px;color:var(--blue);margin-bottom:16px}
.about-grid p{color:#41526a;margin-bottom:14px;font-size:15.5px}
.about-grid strong{color:var(--blue2)}
.pillbox{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pillbox li{
  background:#e9f1fa;color:var(--blue2);border:1px solid #d3e2f3;
  padding:7px 16px;border-radius:4px;font-size:14px;
}

.profile-card{
  background:linear-gradient(160deg,var(--blue),var(--blue3));
  border-radius:var(--radius);padding:32px;color:#fff;box-shadow:var(--shadow);
}
.profile-card h4{font-size:18px;letter-spacing:2px;margin-bottom:4px}
.profile-card .en{font-size:11px;color:#9fc0e2;letter-spacing:2px;margin-bottom:20px;text-transform:uppercase}
.profile-card dl{display:grid;grid-template-columns:auto 1fr;gap:12px 16px;font-size:14.5px}
.profile-card dt{color:#9fc0e2;white-space:nowrap}
.profile-card dd{color:#eef5fc;line-height:1.6}
.profile-card dd.brk{word-break:break-all}

/* ==========================================================================
   时间轴
   ========================================================================== */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:22px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(#cfe0f2,#155a9e)}
.tl-item{position:relative;padding:0 0 30px 28px}
.tl-item::before{
  content:"";position:absolute;left:-22px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--blue2);box-shadow:0 0 0 3px #e6f0fa;
}
.tl-item .yr{display:inline-block;background:var(--blue);color:#fff;font-size:13px;padding:2px 12px;border-radius:4px;letter-spacing:1px;font-weight:700}
.tl-item h4{font-size:16.5px;color:var(--blue);margin:10px 0 6px}
.tl-item p{font-size:14px;color:var(--gray)}

/* ==========================================================================
   案例
   ========================================================================== */
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.filters button{
  background:#fff;border:1px solid var(--line);color:var(--gray);
  padding:9px 22px;border-radius:30px;cursor:pointer;font-size:14px;transition:.2s;
}
.filters button:hover{border-color:var(--blue3);color:var(--blue2)}
.filters button.on{background:var(--blue2);border-color:var(--blue2);color:#fff;font-weight:700}

.case{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:#fff;transition:.25s;display:flex;flex-direction:column;
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dce8f5}
.case .thumb svg{width:100%;height:100%;display:block}
.case .cat{
  position:absolute;left:14px;top:14px;background:rgba(14,63,115,.88);color:#fff;
  font-size:12.5px;padding:4px 13px;border-radius:20px;letter-spacing:.5px;
}
.case .body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.case h4{font-size:17px;color:var(--blue);margin-bottom:10px}
.case p{font-size:14px;color:var(--gray);flex:1}
.case .meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);display:flex;gap:18px;font-size:13px;color:var(--gray2)}
.case .meta b{color:var(--blue2);font-weight:400}

/* ==========================================================================
   设备列表
   ========================================================================== */
.eq-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.eq{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;background:#fff;
  transition:.25s;position:relative;overflow:hidden;
}
.eq::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:var(--blue2);transform:scaleX(0);transform-origin:left;transition:.25s;
}
.eq:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.eq:hover::before{transform:scaleX(1);background:var(--accent)}
.eq .ic{
  width:56px;height:56px;border-radius:12px;background:#eef4fb;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:.25s;
}
.eq:hover .ic{background:#fff5e2}
.eq h4{font-size:17.5px;color:var(--blue);margin-bottom:8px}
.eq p{font-size:14px;color:var(--gray)}
.eq .cap{display:inline-block;margin-top:14px;font-size:12.5px;color:var(--blue2);background:#eef4fb;padding:3px 12px;border-radius:20px}

/* 表格 */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
table.data caption{
  text-align:left;padding:16px 20px;font-size:15px;color:var(--blue);
  font-weight:700;border-bottom:1px solid var(--line);background:#f8fbfe;
}
table.data th,table.data td{padding:14px 20px;border-bottom:1px solid #eef2f7;text-align:left}
table.data th{background:#f8fbfe;color:var(--blue);font-weight:700;white-space:nowrap}
table.data tbody tr:hover{background:#fafcfe}
table.data tbody tr:last-child td{border-bottom:0}
table.data td b{color:var(--blue2)}

/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:8px;
  margin-bottom:12px;overflow:hidden;transition:.2s;
}
.faq details[open]{border-color:#cfe0f2;box-shadow:var(--shadow-sm)}
.faq summary{
  cursor:pointer;padding:17px 22px 17px 52px;font-size:15.5px;color:var(--blue);
  font-weight:700;position:relative;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"Q";position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;background:var(--blue2);color:#fff;
  font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.faq summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--gray2);transition:.2s;
}
.faq details[open] summary::after{content:"−";color:var(--accent)}
.faq .ans{padding:0 22px 20px 52px;font-size:14.5px;color:var(--gray);position:relative}
.faq .ans::before{
  content:"A";position:absolute;left:20px;top:1px;width:22px;height:22px;border-radius:50%;
  background:#fff5e2;color:#c87b0a;font-size:12px;display:flex;align-items:center;
  justify-content:center;font-weight:700;
}

/* ==========================================================================
   新闻
   ========================================================================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.news:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.news .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dce8f5}
.news .date{
  position:absolute;left:0;top:0;background:rgba(14,63,115,.9);color:#fff;
  padding:8px 14px;font-size:12.5px;line-height:1.3;text-align:center;
}
.news .date b{display:block;font-size:19px;font-weight:700}
.news .body{padding:20px;flex:1;display:flex;flex-direction:column}
.news h4{font-size:16.5px;color:var(--blue);margin-bottom:10px;line-height:1.55}
.news p{font-size:13.5px;color:var(--gray);flex:1}
.news .more{margin-top:14px;font-size:13.5px;color:var(--accent);font-weight:700}

/* 新闻列表（列表页） */
.news-list li{
  display:flex;gap:22px;align-items:flex-start;padding:22px 0;border-bottom:1px dashed var(--line);
}
.news-list li:first-child{padding-top:0}
.news-list .d{
  flex:none;width:88px;text-align:center;background:#f0f6fc;border-radius:8px;
  padding:12px 0;color:var(--blue);
}
.news-list .d b{display:block;font-size:24px;font-weight:700;line-height:1.1}
.news-list .d span{font-size:12px;color:var(--gray2)}
.news-list h4{font-size:17px;color:var(--blue);margin-bottom:8px}
.news-list h4 a:hover{color:var(--blue2)}
.news-list p{font-size:14px;color:var(--gray)}

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact-sec{background:linear-gradient(160deg,#0c3765,#124c84);color:#fff}
.contact-sec .sec-head h2{color:#fff}
.contact-sec .sec-head p{color:#a9c8e8}
.ct-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.ct-list li{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px}
.ct-list .ic{
  flex:none;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
}
.ct-list h5{font-size:13.5px;color:#9fc0e2;font-weight:400;margin-bottom:3px;letter-spacing:1px}
.ct-list p{font-size:17px;letter-spacing:.5px}
.ct-list p.big{font-size:24px;font-weight:700;color:#ffd98a;letter-spacing:1px}
.ct-list a:hover{color:var(--accent2)}
.ct-note{font-size:13px;color:#a9c8e8;margin-top:-14px;margin-bottom:22px}

/* 表单 */
.form-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);color:var(--ink)}
.form-card h4{font-size:19px;color:var(--blue);margin-bottom:6px}
.form-card .tip{font-size:13px;color:var(--gray2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--gray);margin-bottom:6px}
.field label i{color:#d9534f;font-style:normal}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line);border-radius:6px;padding:11px 14px;
  font-size:14.5px;color:var(--ink);background:#fbfcfe;transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue3);background:#fff;box-shadow:0 0 0 3px rgba(31,111,196,.10)}
.field textarea{resize:vertical;min-height:108px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-msg{font-size:13.5px;margin-top:12px;display:none;padding:10px 14px;border-radius:6px}
.form-msg.ok{display:block;background:#eefaf1;color:#1f7a44;border:1px solid #cbeed7}
.form-msg.err{display:block;background:#fdf1f0;color:#b3453e;border:1px solid #f3d3d0}

/* 地图卡 */
.map-card{border-radius:var(--radius);overflow:hidden;background:#e8f0f9;border:1px solid #d5e4f4}
.map-card .mp{aspect-ratio:16/10;width:100%;display:block}
.map-card .bar{
  background:#fff;padding:16px 20px;display:flex;justify-content:space-between;
  align-items:center;gap:14px;flex-wrap:wrap;
}
.map-card .bar p{font-size:14px;color:var(--ink)}
.map-card .bar p span{color:var(--gray2);font-size:12.5px;display:block}

/* ==========================================================================
   业务详情（business.html）
   ========================================================================== */
[id]{scroll-margin-top:96px}
.biz-detail{display:grid;grid-template-columns:.88fr 1.12fr;gap:46px;align-items:center}
.biz-detail.rev .bd-visual{order:2}
.bd-visual{
  background:linear-gradient(150deg,#0e3f73,#1f6fc4);border-radius:14px;
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.bd-visual::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,162,2,.28),rgba(242,162,2,0) 70%);
}
.bd-visual svg{width:100%;height:100%;position:relative;z-index:2}
.bd-no{display:inline-block;font-size:30px;font-weight:800;color:#cfe0f2;line-height:1;letter-spacing:3px;margin-bottom:8px}
.bd-body h3{font-size:23px;color:var(--blue);margin-bottom:14px;letter-spacing:.5px}
.bd-body p{color:#41526a;font-size:15.5px;margin-bottom:14px}
.bd-body p strong{color:var(--blue2)}
ul.check{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;margin-top:8px}
ul.check li{font-size:14.5px;color:var(--gray);padding-left:26px;position:relative;line-height:1.7}
ul.check li::before{
  content:"";position:absolute;left:2px;top:8px;width:13px;height:7px;
  border-left:2.4px solid var(--accent);border-bottom:2.4px solid var(--accent);
  transform:rotate(-45deg);
}
.biz-sep{border:0;border-top:1px dashed var(--line);margin:0}

/* ==========================================================================
   页脚
   ========================================================================== */
footer.site{background:var(--blue-xd);color:#9db6d2;font-size:13.5px;padding:52px 0 0}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:38px}
footer.site h4{color:#dce9f7;font-size:15.5px;letter-spacing:1px;margin-bottom:18px;position:relative;padding-bottom:12px}
footer.site h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2.5px;background:var(--accent);border-radius:2px}
footer.site .f-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
footer.site .f-logo b{color:#eaf3fc;font-size:16px;letter-spacing:.5px;display:block;line-height:1.3}
footer.site .f-logo small{font-size:9px;color:#7f9cbb;letter-spacing:1.2px}
footer.site p{line-height:1.9}
footer.site ul li{margin-bottom:10px}
footer.site ul a:hover{color:var(--accent2)}
footer.site .f-ct li{display:flex;gap:10px;margin-bottom:12px;line-height:1.7}
footer.site .f-ct svg{flex:none;margin-top:4px}
footer.site .hl{color:#ffd98a}
.f-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;text-align:center;
  font-size:13px;color:#7f9cbb;line-height:1.9;
}
.f-bottom a:hover{color:var(--accent2)}

/* 回到顶部 */
#toTop{
  position:fixed;right:26px;bottom:32px;width:46px;height:46px;border-radius:50%;
  background:var(--blue2);color:#fff;border:0;cursor:pointer;display:none;
  align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(14,63,115,.32);z-index:300;transition:.2s;
}
#toTop:hover{background:var(--accent);color:#3a2a02}
#toTop.show{display:flex}

/* 侧边悬浮联系 */
.side-ct{
  position:fixed;left:0;top:50%;transform:translateY(-50%);z-index:250;
  background:var(--blue);border-radius:0 10px 10px 0;overflow:hidden;box-shadow:0 8px 24px rgba(14,63,115,.28);
}
.side-ct a{display:block;padding:14px 12px;color:#fff;text-align:center;font-size:12px;writing-mode:vertical-rl;letter-spacing:2px}
.side-ct a:hover{background:var(--accent);color:#3a2a02}

/* ==========================================================================
   响应式
   ========================================================================== */
@media(max-width:1080px){
  .menu > li > a{padding:10px 11px;font-size:14.5px}
  .nav-cta{padding:9px 14px;font-size:13px}
  .f-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:960px){
  .eq-list,.news-grid{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .adv.g4,.g4{grid-template-columns:repeat(2,1fr)}
  .about-grid,.ct-grid{grid-template-columns:1fr;gap:32px}
  .biz-detail{grid-template-columns:1fr;gap:26px}
  .biz-detail.rev .bd-visual{order:0}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stats .divide > div + div{border-left:0}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .nav .wrap{height:66px}
  .menu{
    position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:8px;box-shadow:0 14px 24px rgba(13,51,91,.14);display:none;
    max-height:calc(100vh - 66px);overflow-y:auto;
  }
  .menu.open{display:flex}
  .menu > li{width:100%}
  .menu > li > a{padding:14px 18px;border-bottom:1px solid #eef2f7;border-radius:0;font-size:15.5px}
  .menu > li > a.active::after{display:none}
  .menu > li > a.active{background:#eef4fb}
  .burger{display:flex}
  .nav-cta{display:none}
  .side-ct{display:none}
}
@media(max-width:720px){
  .topbar .tb-l{display:none}
  .topbar .wrap{justify-content:center}
  .hero{min-height:auto;padding:64px 0}
  .hero h1{font-size:29px;letter-spacing:2px}
  .hero .lead{font-size:15px}
  .hero .facts{gap:24px;margin-top:32px}
  .hero .facts b{font-size:21px}
  .sec{padding:46px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:23px}
  .pagehero{padding:42px 0}
  .pagehero h1{font-size:25px;letter-spacing:2px}
  .eq-list,.news-grid,.g3,.g2,.g4,.adv.g4,.flow-grid{grid-template-columns:1fr}
  .logo b{font-size:15.5px}
  .logo small{font-size:8.5px;letter-spacing:.8px}
  .logo svg{width:38px;height:38px}
  .stats b{font-size:26px}
  .form-row{grid-template-columns:1fr}
  .news-list li{flex-direction:column;gap:12px}
  .news-list .d{width:auto;display:inline-block;padding:8px 14px}
  .news-list .d b{display:inline;font-size:16px;margin-right:8px}
  .f-grid{grid-template-columns:1fr;gap:26px}
  .form-card{padding:24px 20px}
  #toTop{right:14px;bottom:18px}
}