/* xxxx公司 官网样式表 —— 纯静态、零外部依赖、无 webfont，单文件请求 */
:root{
  --brand:#0b4b8c; --brand-d:#073764; --brand-l:#e9f1f9;
  --gold:#b38a4a; --ink:#1f2a37; --ink2:#5a6678; --line:#e3e9f0;
  --bg:#f4f7fb; --white:#fff; --ok:#0f8a4d;
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font:15px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  -webkit-user-select:none;-moz-user-select:none;user-select:none;
}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;height:auto;border:0;display:block;-webkit-user-drag:none}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ============ H 标签统一语义层级（不影响加载，全部本地渲染） ============ */
h1,h2,h3,h4,h5{color:var(--ink);line-height:1.4;font-weight:700;word-break:break-word}
h1{font-size:34px}
h2{font-size:27px}
h3{font-size:20px}
h4{font-size:17px}
h5{font-size:15px;font-weight:700}
h6{font-size:14px;font-weight:700;color:var(--ink2)}
p{font-size:15px;color:var(--ink2);margin-bottom:14px}
strong{color:var(--ink);font-weight:700}

/* ============ 顶部通栏 ============ */
.topbar{background:#062a4d;color:#c9dcee;font-size:13px;line-height:36px;height:36px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between}
.topbar b{color:#fff;font-weight:600}
.topbar .tb-r{display:flex;align-items:center;gap:16px}
.tb-hit{display:inline-flex;align-items:center;gap:5px}
.dot{width:6px;height:6px;border-radius:50%;background:#3ecf8e;display:inline-block}

/* ============ 导航 ============ */
header.nav{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);box-shadow:0 1px 12px rgba(11,75,140,.07);
  backdrop-filter:saturate(180%) blur(6px)}
.nav-in{max-width:var(--wrap);margin:0 auto;padding:0 20px;height:70px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo .lg-mark{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-d));
  color:#fff;font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center;letter-spacing:0}
.logo .lg-txt{line-height:1.2}
.logo .lg-txt b{display:block;font-size:20px;color:var(--brand-d);letter-spacing:.5px}
.logo .lg-txt span{display:block;font-size:11px;color:var(--ink2);letter-spacing:1px}
.menu{display:flex;align-items:center;gap:4px}
.menu a{display:block;padding:9px 15px;border-radius:6px;color:var(--ink);font-size:15px;transition:.18s}
.menu a:hover,.menu a.on{color:#fff;background:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:6px;font-size:14px;
  cursor:pointer;border:1px solid var(--brand);background:var(--brand);color:#fff;transition:.18s;white-space:nowrap}
.btn:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--brand)}
.btn.ghost:hover{background:var(--brand-l)}
.nav-tel{font-size:19px;font-weight:800;color:var(--brand-d);letter-spacing:.5px}
.nav-tel small{display:block;font-size:11px;font-weight:400;color:var(--ink2);letter-spacing:0}

/* ============ 首屏 ============ */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:var(--brand-d)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,42,77,.94) 0%,rgba(11,75,140,.86) 48%,rgba(11,75,140,.55) 100%)}
.hero-in{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin:0 auto;padding:78px 20px 0}
.hero-tag{display:inline-block;border:1px solid rgba(255,255,255,.45);color:#dceaf7;border-radius:999px;
  padding:5px 15px;font-size:13px;margin-bottom:20px;letter-spacing:1px}
.hero h1{color:#fff;font-size:42px;line-height:1.35;margin-bottom:16px;text-shadow:0 2px 14px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:#ffd88a}
.hero-sub{color:#d8e6f4;font-size:17px;max-width:640px;margin-bottom:26px;line-height:1.9}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.hero-btns .btn{border-color:#fff;background:#fff;color:var(--brand-d);font-weight:600;font-size:15px;padding:12px 24px}
.hero-btns .btn:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.hero-btns .btn.bk{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero-btns .btn.bk:hover{background:rgba(255,255,255,.16);color:#fff}
.hero-inner{max-width:var(--wrap);margin:0 auto}
.hero-card{position:relative;z-index:3;margin-top:-64px;background:#fff;border-radius:10px;
  box-shadow:0 14px 40px rgba(6,42,77,.16);padding:26px 28px;max-width:var(--wrap);margin-left:auto;margin-right:auto}
.hero-card .hc-t{font-size:15px;font-weight:700;color:var(--brand-d);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero-card .hc-t::before{content:"";width:4px;height:16px;background:var(--gold);border-radius:2px}
.stat{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat .n{font-size:29px;font-weight:800;color:var(--brand);line-height:1.2}
.stat .n i{font-style:normal;font-size:15px}
.stat .l h5{font-size:14px;color:var(--ink);margin-bottom:2px}
.stat .l span{font-size:12px;color:#93a0b1}

/* ============ 通用区块 ============ */
.sec{background:#fff;padding:74px 0;margin-top:-30px;position:relative;z-index:1}
.sec.gray{background:var(--bg)}
.sec.blue{background:var(--brand);color:#fff}
.sec.blue h2,.sec.blue h3,.sec.blue h5{color:#fff}
.sec.blue p{color:#d5e5f3}
.sec-hd{text-align:center;max-width:820px;margin:0 auto 46px}
.sec-hd .k{display:inline-block;color:var(--gold);font-size:13px;letter-spacing:3px;margin-bottom:10px;font-weight:700}
.sec-hd h2{margin-bottom:12px}
.sec-hd h5{font-size:16px;color:var(--ink2);font-weight:400;line-height:1.8}
.sec.blue .sec-hd h5{color:#c9dcee}

/* 两栏 */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cols .tx h3{font-size:22px;margin-bottom:14px;color:var(--brand-d)}
.cols .tx p{line-height:1.95}
.li-list{margin:18px 0}
.li-list li{position:relative;padding-left:24px;margin-bottom:11px;color:var(--ink2);font-size:15px;line-height:1.8}
.li-list li::before{content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.li-list li b{color:var(--ink)}

/* 服务/优势卡片 */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 22px;transition:.22s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(11,75,140,.12);border-color:#c8d8e8}
.card .ic{width:46px;height:46px;border-radius:10px;background:var(--brand-l);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:800;margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:9px}
.card p{font-size:14px;color:#6b7787;margin-bottom:0}
.card .more{display:inline-block;margin-top:12px;font-size:13px;color:var(--brand)}

/* 图片 + 说明 */
.shot{border-radius:10px;overflow:hidden;box-shadow:0 10px 30px rgba(11,75,140,.14)}
.shot img{width:100%}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:8px}
.flow .st{position:relative;background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px 16px;text-align:center}
.flow .st b{display:block;width:34px;height:34px;line-height:34px;border-radius:50%;background:var(--brand);color:#fff;
  font-size:15px;margin:0 auto 10px}
.flow .st h5{font-size:15px;margin-bottom:5px}
.flow .st span{font-size:13px;color:#8794a5}

/* 新闻列表 */
.news-i{display:grid;grid-template-columns:280px 1fr;gap:24px;background:#fff;border:1px solid var(--line);
  border-radius:10px;padding:20px;margin-bottom:20px;transition:.22s}
.news-i:hover{box-shadow:0 10px 26px rgba(11,75,140,.1)}
.news-i .pic{border-radius:8px;overflow:hidden;height:170px}
.news-i .pic img{width:100%;height:100%;object-fit:cover}
.news-i h3{font-size:19px;margin-bottom:9px}
.news-i h3 a{color:var(--ink)}
.news-i h3 a:hover{color:var(--brand)}
.news-i .meta{font-size:12px;color:#93a0b1;margin-bottom:9px}
.news-i .meta em{font-style:normal;color:var(--gold);font-weight:700}
.news-i p{font-size:14px;margin-bottom:0}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:18px 22px;background:#fbfcfe;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary h5{font-size:15px;font-weight:600}
.faq summary .ar{transition:.2s;color:var(--brand);font-size:13px;flex-shrink:0}
.faq details[open] summary .ar{transform:rotate(180deg)}
.faq details .bd{padding:0 22px 20px 22px}
.faq details .bd p{margin-bottom:0;line-height:1.9}

/* 关于页/文章正文 */
.prose{font-size:16px;line-height:2}
.prose h2{font-size:24px;margin:36px 0 14px}
.prose h3{font-size:19px;margin:26px 0 12px}
.prose h5{font-size:16px;margin:20px 0 10px}
.prose p{line-height:2;margin-bottom:16px}
.prose .lead{font-size:17px;color:var(--ink);font-weight:600}
.prose ul{margin:0 0 18px}
.prose ul li{position:relative;padding-left:22px;color:var(--ink2);line-height:1.95;margin-bottom:8px}
.prose ul li::before{content:"·";position:absolute;left:6px;top:0;color:var(--gold);font-size:20px;line-height:1.5}
.prose .info{background:var(--brand-l);border-left:3px solid var(--brand);padding:16px 20px;border-radius:0 8px 8px 0;margin:22px 0}
.prose .info p{margin-bottom:6px;color:var(--ink)}
.prose blockquote{border-left:3px solid var(--gold);background:#fffdf7;padding:14px 18px;margin:20px 0}
.prose blockquote p{margin:0;color:#77613a}
.bread{font-size:13px;color:#8b98a8;padding:14px 0}
.bread a{color:#8b98a8}
.bread span{color:var(--brand)}

/* 时间轴 */
.tl{position:relative;padding-left:34px;margin-top:20px}
.tl::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl .it{position:relative;margin-bottom:28px}
.tl .it::before{content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand)}
.tl .it .yr{display:inline-block;background:var(--brand);color:#fff;font-size:13px;padding:3px 12px;border-radius:5px;margin-bottom:8px}
.tl .it h3{font-size:18px;margin-bottom:7px}
.tl .it p{font-size:14px;margin-bottom:0}

/* 联系 */
.contact{display:grid;grid-template-columns:1fr 400px;gap:40px}
.cbox{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px}
.crow{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px dashed var(--line)}
.crow:last-child{border-bottom:0}
.crow .k{font-size:14px;color:#7d8898}
.crow .v{font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.cp{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:#f7fafd;color:var(--brand);
  border-radius:6px;padding:5px 11px;font-size:13px;cursor:pointer;transition:.18s}
.cp:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.map{width:100%;height:260px;border:0;border-radius:10px;filter:grayscale(.4)}

/* 悬浮工具条 */
.dock{position:fixed;right:16px;bottom:80px;z-index:90;display:flex;flex-direction:column;gap:10px}
.dock a,.dock .d{width:52px;height:52px;border-radius:50%;background:#fff;color:var(--brand);
  box-shadow:0 6px 20px rgba(11,75,140,.22);display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:11px;line-height:1.25;transition:.2s;border:1px solid var(--line)}
.dock a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.dock .d b{font-size:17px;font-weight:700;line-height:1}
.dock .d i{font-style:normal;font-size:9px}
.dock .hot{background:var(--brand);color:#fff}
.dock .hot:hover{background:var(--brand-d)}

/* 关键词堆叠区 */
.kwbox{background:var(--brand-l);border:1px solid #d6e3f0;border-radius:10px;padding:22px 24px;margin-top:20px}
.kwbox .kw-t{font-size:14px;font-weight:700;color:var(--brand-d);margin-bottom:12px}
.kwbox #kw-stack{line-height:2.3;font-size:14px;color:#5b6b7d}
.kwbox #kw-stack span{display:inline-block;border:1px solid #cfe0ee;background:#fff;border-radius:5px;
  padding:3px 12px;margin:0 8px 8px 0;color:var(--brand-d);font-size:13px}

/* 提示条 */
#toast{position:fixed;left:50%;bottom:120px;transform:translateX(-50%) translateY(20px);z-index:200;
  background:rgba(24,34,48,.94);color:#fff;padding:11px 22px;border-radius:8px;font-size:14px;opacity:0;
  transition:.25s;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.24)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============ 页脚 + 网站地图 ============ */
footer{background:#062a4d;color:#b9cde0;padding:0 0 0;margin-top:0}
.ft-top{background:#052440;padding:26px 0}
.ft-top .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.ft-top .ft-t{font-size:15px}
.ft-top .ft-t b{color:#fff;font-size:17px}
.ft-top .ft-t span{display:block;font-size:12px;color:#8fa9c2;margin-top:3px}
.ft-sos{display:flex;gap:10px;flex-wrap:wrap}
.ft-sos a{font-size:13px;border:1px solid rgba(255,255,255,.28);color:#dceaf7;border-radius:6px;padding:6px 13px}
.ft-sos a:hover{background:rgba(255,255,255,.14);color:#fff}
.map-sec{padding:46px 0 30px;border-bottom:1px solid rgba(255,255,255,.1)}
.map-sec h4{color:#fff;font-size:19px;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.map-sec h4 em{font-style:normal;width:4px;height:18px;background:var(--gold);border-radius:2px;display:inline-block}
.map-sec .sd{font-size:13px;color:#8fa9c2;margin-bottom:24px}
.sitemap{display:grid;grid-template-columns:repeat(5,1fr);gap:26px}
.sm h5{color:#fff;font-size:15px;margin-bottom:14px;padding-bottom:9px;border-bottom:1px solid rgba(255,255,255,.16)}
.sm li{margin-bottom:9px}
.sm a{color:#a9c1d7;font-size:13px}
.sm a:hover{color:#ffd88a}
.sm .k{color:#e3edf6;font-size:13px}
.ft-bot{padding:22px 0 30px;font-size:13px;color:#8fa9c2;line-height:1.9}
.ft-bot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ft-bot .cpr{text-align:right}
.ft-bot a{color:#a9c1d7}
.ft-bot a:hover{color:#ffd88a}

/* 移动端 */
@media (max-width:960px){
  h1{font-size:27px} h2{font-size:23px}
  .nav-tel{display:none}
  .menu{display:none}
  .stat{grid-template-columns:repeat(2,1fr);gap:20px}
  .grid4,.grid3,.grid2{grid-template-columns:repeat(2,1fr)}
  .grid2:not(.grid2x){grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(3,1fr)}
  .sitemap{grid-template-columns:repeat(2,1fr)}
  .cols{grid-template-columns:1fr;gap:28px}
  .contact{grid-template-columns:1fr}
  .news-i{grid-template-columns:1fr}
  .news-i .pic{height:190px}
  .hero-in{padding-top:56px}
  .hero h1{font-size:26px}
  .hero{min-height:auto;padding-bottom:0}
  .sec{padding:52px 0}
  .map-sec .sitemap{grid-template-columns:repeat(2,1fr);gap:20px}
  .dock{right:10px;bottom:70px}
  .dock a,.dock .d{width:46px;height:46px}
}
@media (max-width:640px){
  .grid4,.grid3,.grid2,.flow,.sitemap{grid-template-columns:1fr}
  .hero-card{padding:20px 18px;margin-top:-46px}
  .topbar .wrap{flex-direction:column;height:auto;line-height:2;padding:2px 16px}
  .topbar{height:auto}
  .topbar .tb-r{justify-content:center}
}
@media print{.topbar,header,.dock,#toast{display:none}}