@charset "utf-8";
/* XIFAN site stylesheet v20261020b */

:root{
  --xf-ink:#1c2430; --xf-ink2:#485364; --xf-mute:#7d8794; --xf-line:#e2e6ec;
  --xf-bg:#f6f8fa; --xf-brand:#14497a; --xf-brand2:#1c6fb0; --xf-accent:#c8862a;
  --xf-ok:#1f7a4d; --xf-warn:#c02a1f;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",-apple-system,sans-serif;
  font-size:15px;line-height:1.7;color:var(--xf-ink);background:#fff}
img{max-width:100%;border:0;display:block}
a{color:inherit;text-decoration:none;transition:color .18s}
a:hover{color:var(--xf-brand2)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
button{font-family:inherit}

.xf-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.xf-band{padding:66px 0}
.xf-band.alt{background:var(--xf-bg)}

.xf-head{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--xf-line);
  box-shadow:0 1px 10px rgba(20,40,70,.05)}
.xf-head-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px}
.xf-logo{display:flex;align-items:center;flex:0 0 auto}
.xf-logo-img img{width:168px;height:44px;object-fit:contain}
.xf-nav{display:flex;align-items:center}
.xf-nav-list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.xf-nav-list>li>a{display:block;padding:8px 11px;font-size:15px;color:var(--xf-ink2);white-space:nowrap;border-radius:3px}
.xf-nav-list>li>a:hover,.xf-nav-list>li>a.is-on{color:#fff;background:var(--xf-brand)}
.xf-head-act{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.xf-head-tel{font-weight:700;color:var(--xf-brand);font-size:15px;white-space:nowrap}
.xf-head-tel i{margin-right:4px;font-size:14px}
.xf-head-login,.xf-head-reg{padding:7px 12px;border-radius:3px;font-size:14px;border:1px solid var(--xf-line);color:var(--xf-ink2);white-space:nowrap}
.xf-head-reg{background:var(--xf-brand);border-color:var(--xf-brand);color:#fff}
.xf-head-reg:hover{background:var(--xf-brand2);color:#fff}
.xf-head-login:hover{border-color:var(--xf-brand);color:var(--xf-brand)}
.xf-mbtn{display:none;border:0;background:none;padding:6px;font-size:22px;color:var(--xf-ink);cursor:pointer}
.xf-mdrawer{display:none;position:fixed;inset:0;background:#fff;z-index:200;padding:66px 22px 26px;overflow:auto}
.xf-mdrawer.is-open{display:block}
.xf-mdrawer .xf-nav-list{flex-direction:column;align-items:stretch;gap:0}
.xf-mdrawer .xf-nav-list>li>a{padding:14px 4px;border-bottom:1px solid var(--xf-line);border-radius:0;font-size:16px}
.xf-mclose{position:absolute;top:14px;right:18px;border:0;background:none;font-size:24px;cursor:pointer}
.xf-mcontact{display:inline-block;margin-top:20px;padding:11px 22px;background:var(--xf-brand);color:#fff;border-radius:3px}

.xf-band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  padding-bottom:16px;margin-bottom:30px;border-bottom:1px solid var(--xf-line);flex-wrap:wrap}
.xf-band-head h2{font-size:26px;font-weight:700;line-height:1.35;color:var(--xf-ink)}
.xf-band-head h2 small{display:block;margin-top:7px;font-size:13px;font-weight:400;color:var(--xf-mute);line-height:1.6}
.xf-more{font-size:14px;color:var(--xf-brand2);white-space:nowrap}

.xf-btn{display:inline-block;padding:12px 22px;border-radius:3px;font-size:15px;border:1px solid transparent;
  cursor:pointer;text-align:center;transition:.18s;line-height:1.4}
.xf-btn-main{background:var(--xf-accent);color:#fff}
.xf-btn-main:hover{background:#b3741f;color:#fff}
.xf-btn-line{border-color:rgba(255,255,255,.55);color:#fff}
.xf-btn-line:hover{background:#fff;color:var(--xf-brand)}
.xf-btn-ghost{border-color:var(--xf-brand);color:var(--xf-brand);background:#fff}
.xf-btn-ghost:hover{background:var(--xf-brand);color:#fff}

.xf-hero{position:relative;background:#0f2233;color:#fff;overflow:hidden}
.xf-hero-media{position:absolute;inset:0}
.xf-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.52}
.xf-hero-in{position:relative;display:grid;grid-template-columns:1.32fr .68fr;gap:38px;
  padding:78px 24px 70px;align-items:center}
.xf-hero-title{font-size:40px;line-height:1.28;font-weight:700}
.xf-hero-sub{margin-top:18px;font-size:16px;line-height:1.9;color:#d9e4ef;max-width:640px}
.xf-hero-kv{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.xf-hero-kv span{padding:6px 12px;border:1px solid rgba(255,255,255,.36);border-radius:2px;font-size:13px;color:#eaf2fa}
.xf-hero-btns{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.xf-hero-card{background:rgba(255,255,255,.97);color:var(--xf-ink);padding:24px;border-radius:4px;
  box-shadow:0 14px 34px rgba(6,20,35,.3)}
.xf-hero-card h3{font-size:16px;margin-bottom:12px;color:var(--xf-brand)}
.xf-hero-card li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;
  border-bottom:1px dashed var(--xf-line);font-size:14px;color:var(--xf-ink2)}
.xf-hero-card li:last-child{border-bottom:0}
.xf-hero-card li b{color:var(--xf-brand);white-space:nowrap}
.xf-hc-note{margin-top:14px;font-size:12px;color:var(--xf-mute);line-height:1.7}

.xf-prod-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.xf-prod-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--xf-line);
  border-radius:3px;overflow:hidden;transition:.2s;position:relative}
.xf-prod-card:hover{border-color:var(--xf-brand2);box-shadow:0 10px 24px rgba(20,60,100,.1);transform:translateY(-2px)}
.xf-prod-pic{position:relative;display:block;width:100%;height:0;padding-bottom:67%;background:#eef2f6;overflow:hidden}
.xf-prod-pic img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}
.xf-prod-pic em{position:absolute;left:0;top:0;background:var(--xf-brand);color:#fff;font-style:normal;
  font-size:12px;padding:3px 9px;z-index:2}
.xf-prod-body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.xf-prod-name{font-size:16px;font-weight:700;line-height:1.5;color:var(--xf-ink)}
.xf-prod-name a{color:inherit}
.xf-prod-code{margin-top:5px;font-size:12px;color:#939dab;letter-spacing:.03em}
.xf-prod-desc{margin-top:10px;font-size:13px;line-height:1.75;color:var(--xf-ink2);flex:1}
.xf-prod-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--xf-line);padding-top:13px}
.xf-price{color:var(--xf-warn);font-weight:700;font-size:18px;line-height:1.2;white-space:nowrap}
.xf-price small{font-weight:400;font-size:12px;color:var(--xf-mute)}
.xf-prod-foot .xf-btn{padding:8px 14px;font-size:13px;background:var(--xf-brand);color:#fff;border:0}
.xf-prod-foot .xf-btn:hover{background:var(--xf-brand2);color:#fff}

.xf-svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.xf-svc-card{background:#fff;border:1px solid var(--xf-line);border-left:3px solid var(--xf-brand);
  padding:24px 22px;border-radius:2px}
.xf-svc-card h3{font-size:17px;margin-bottom:10px;color:var(--xf-ink)}
.xf-svc-card h4{font-size:14px;color:var(--xf-brand);margin:16px 0 8px}
.xf-svc-card p{font-size:13.5px;line-height:1.8;color:var(--xf-ink2)}
.xf-svc-card ol{margin:0;padding-left:18px;list-style:decimal;font-size:13.5px;line-height:1.9;color:var(--xf-ink2)}
.xf-svc-meta{margin-top:14px;font-size:12.5px;color:#6b7686;border-top:1px dashed var(--xf-line);
  padding-top:11px;line-height:1.8}
.xf-svc-meta b{color:var(--xf-brand)}

.xf-steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.xf-step{position:relative;background:#fff;border:1px solid var(--xf-line);padding:24px 18px 20px}
.xf-step::before{counter-increment:s;content:"0" counter(s);position:absolute;right:14px;top:10px;
  font-size:26px;font-weight:700;color:#eaeef3;line-height:1}
.xf-step h4{font-size:15px;margin-bottom:8px;color:var(--xf-brand)}
.xf-step p{font-size:13px;line-height:1.75;color:var(--xf-ink2)}
.xf-stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--xf-line);
  border:1px solid var(--xf-line)}
.xf-stat{background:#fff;padding:24px 12px;text-align:center}
.xf-stat b{display:block;font-size:19px;font-weight:700;color:var(--xf-brand);line-height:1.25;word-break:break-all}
.xf-stat span{display:block;margin-top:6px;font-size:13px;color:var(--xf-ink2)}

.xf-table{width:100%;border-collapse:collapse;font-size:14px}
.xf-table th,.xf-table td{border:1px solid var(--xf-line);padding:11px 14px;text-align:left;
  line-height:1.75;vertical-align:top}
.xf-table th{background:#f2f5f8;color:var(--xf-ink);font-weight:600;width:186px}
.xf-table tr:nth-child(even) td{background:#fbfcfd}
.xf-h3{font-size:18px;margin:30px 0 12px;padding-left:11px;border-left:3px solid var(--xf-brand);
  line-height:1.4;color:var(--xf-ink)}
.xf-rich p{font-size:14.5px;line-height:1.95;color:#3a444f;margin-bottom:12px}
.xf-rich a{color:var(--xf-brand2)}
.xf-rich strong{color:var(--xf-ink)}

.xf-inner-hero{background:#12324d;color:#fff;position:relative;overflow:hidden}
.xf-inner-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.36}
.xf-inner-hero .xf-wrap{position:relative;padding:48px 24px}
.xf-inner-hero h1{font-size:30px;line-height:1.35;margin-bottom:10px}
.xf-inner-hero p{font-size:14.5px;color:#d6e2ee;line-height:1.85;max-width:800px}
.xf-crumb{display:flex;flex-wrap:wrap;gap:7px;align-items:center;font-size:13px;color:var(--xf-mute);padding:14px 24px}
.xf-crumb a{color:var(--xf-mute)}
.xf-crumb a:hover{color:var(--xf-brand2)}
.xf-crumb i{font-style:normal;color:#c3cad3}
.xf-detail{padding:32px 0 68px}
.xf-wrap-side{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:36px;align-items:start}
.xf-detail-main{min-width:0}
.xf-detail-title{font-size:27px;line-height:1.42;margin-bottom:12px;color:var(--xf-ink)}
.xf-detail-lead{font-size:15px;line-height:1.9;color:var(--xf-ink2);margin-bottom:22px;
  padding:14px 18px;background:var(--xf-bg);border-left:3px solid var(--xf-accent)}
.xf-buybar{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px 18px;padding:16px 18px;
  border:1px solid var(--xf-line);background:#fff;margin-bottom:24px}
.xf-buybar .xf-price{font-size:25px}
.xf-buy-note{min-width:0;font-size:12.5px;color:#6b7686;line-height:1.7}
.xf-buybar .xf-btn{grid-column:1/-1;justify-self:start}
.xf-price-orig{grid-column:1/-1;font-size:12.5px;color:#8b95a4}
.xf-side{background:#fff;border:1px solid var(--xf-line);padding:18px}
.xf-side-title{font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--xf-line);color:var(--xf-ink)}
.xf-sidelist li{border-bottom:1px dashed var(--xf-line)}
.xf-sidelist li:last-child{border-bottom:0}
.xf-sidelist a{display:block;padding:9px 0;font-size:13.5px;color:var(--xf-ink2);line-height:1.55}
.xf-sidelist a:hover{color:var(--xf-brand2)}

.xf-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.xf-list-item,.xf-block-card{background:#fff;border:1px solid var(--xf-line);padding:22px}
.xf-list-item h3,.xf-block-card h3{font-size:16.5px;line-height:1.58;margin-bottom:9px;color:var(--xf-ink)}
.xf-list-item h3 a,.xf-block-card h3 a{color:inherit}
.xf-list-item h3 a:hover{color:var(--xf-brand2)}
.xf-list-item p,.xf-block-card p{font-size:13.5px;line-height:1.82;color:var(--xf-ink2)}
.xf-meta{margin-bottom:10px;font-size:12.5px;color:#8b95a4;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.xf-tag{display:inline-block;padding:2px 8px;background:#eaf1f8;color:var(--xf-brand);font-size:12px;border-radius:2px}

.xf-form{background:#fff;border:1px solid var(--xf-line);padding:26px}
.xf-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}
.xf-fld{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;min-width:0}
.xf-fld label{font-size:13px;color:var(--xf-ink2)}
.xf-fld label b{color:var(--xf-warn)}
.xf-fld input,.xf-fld select,.xf-fld textarea{width:100%;padding:10px 12px;border:1px solid #d4dae2;
  border-radius:2px;font-size:14px;font-family:inherit;color:var(--xf-ink);background:#fff}
.xf-fld input:focus,.xf-fld select:focus,.xf-fld textarea:focus{outline:0;border-color:var(--xf-brand2);
  box-shadow:0 0 0 3px rgba(28,111,176,.1)}
.xf-fld textarea{min-height:112px;resize:vertical}
.xf-check{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--xf-ink2);margin:4px 0 16px}
.xf-check input{width:15px;height:15px;margin-top:4px;flex:0 0 auto}
.xf-check a{color:var(--xf-brand2)}
.xf-cap{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.xf-cap canvas{border:1px solid #d4dae2;border-radius:2px;cursor:pointer;background:#fff;flex:0 0 auto}
.xf-msg{margin-top:14px;padding:11px 14px;font-size:13.5px;border-radius:2px;display:none;line-height:1.7}
.xf-msg.ok{display:block;background:#eaf6ef;color:var(--xf-ok);border:1px solid #bfe0cc}
.xf-msg.err{display:block;background:#fdeeed;color:var(--xf-warn);border:1px solid #f3c6c2}
.xf-tip{font-size:12.5px;color:var(--xf-mute);line-height:1.75;margin-top:10px}

.xf-auth{max-width:540px;margin:54px auto 70px;padding:0 20px}
.xf-auth h1{font-size:24px;margin-bottom:6px;text-align:center}
.xf-auth-sub{text-align:center;font-size:13.5px;color:var(--xf-ink2);margin-bottom:24px}
.xf-auth .xf-form{padding:30px 28px}
.xf-alt{text-align:center;font-size:13.5px;margin-top:18px;color:var(--xf-ink2)}
.xf-alt a{color:var(--xf-brand2)}
.xf-member{padding:44px 0 72px}
.xf-member-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--xf-line)}
.xf-member-head h1{font-size:24px}
.xf-member-head .xf-acc{font-size:13.5px;color:var(--xf-ink2)}
.xf-empty{padding:50px 20px;text-align:center;background:#fff;border:1px dashed #d4dae2;
  color:var(--xf-mute);font-size:14px;line-height:1.9}
.xf-empty a{color:var(--xf-brand2)}
.xf-quote-list{display:grid;gap:14px}
.xf-quote{background:#fff;border:1px solid var(--xf-line);padding:16px 18px}
.xf-quote h4{font-size:15px;margin-bottom:8px}
.xf-quote p{font-size:13.5px;line-height:1.78;color:var(--xf-ink2)}
.xf-qmeta{margin-top:9px;font-size:12.5px;color:#8b95a4;display:flex;gap:14px;flex-wrap:wrap}

.xf-faq{border:1px solid var(--xf-line);background:#fff}
.xf-faq-item{border-bottom:1px solid var(--xf-line)}
.xf-faq-item:last-child{border-bottom:0}
.xf-faq-q{width:100%;text-align:left;background:none;border:0;padding:16px 18px;font-size:15px;
  font-weight:600;color:var(--xf-ink);cursor:pointer;display:flex;justify-content:space-between;
  gap:14px;align-items:center;line-height:1.6}
.xf-faq-q i{font-style:normal;color:var(--xf-brand2);font-size:20px;line-height:1;transition:.2s;flex:0 0 auto}
.xf-faq-item.is-open .xf-faq-q i{transform:rotate(45deg)}
.xf-faq-a{display:none;padding:0 18px 16px;font-size:13.5px;line-height:1.88;color:var(--xf-ink2)}
.xf-faq-item.is-open .xf-faq-a{display:block}
.xf-plain-list{background:#fff;border:1px solid var(--xf-line);padding:6px 18px}
.xf-plain-list a{display:flex;justify-content:space-between;gap:16px;padding:13px 0;
  border-bottom:1px dashed var(--xf-line);font-size:14.5px;color:var(--xf-ink)}
.xf-plain-list li:last-child a{border-bottom:0}
.xf-plain-list a:hover{color:var(--xf-brand2)}
.xf-plain-list .xf-news-date{font-size:13px;color:var(--xf-mute);flex:0 0 auto}

.xf-foot{background:#16222e;color:#c8d3df;padding-top:50px}
.xf-foot .xf-logo{display:block}
.xf-foot-top{display:grid;grid-template-columns:1.15fr 1.85fr;gap:40px;padding-bottom:30px;
  border-bottom:1px solid rgba(255,255,255,.1)}
.xf-logo-txt{font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;line-height:1.45}
.xf-foot-tel{display:block;font-size:22px;font-weight:700;color:#fff;margin-bottom:8px;line-height:1.3}
.xf-foot-tel:hover{color:#fff}
.xf-foot-addr{font-size:13px;line-height:1.8;color:#9dabb9}
.xf-foot-nav{gap:0 2px;flex-wrap:wrap}
.xf-foot-nav>li>a{padding:6px 9px;font-size:13.5px;color:#b6c3d0}
.xf-foot-nav>li>a:hover{background:transparent;color:#fff;text-decoration:underline}
.xf-foot-info{padding:24px 0 26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:7px 26px;font-size:12.5px;line-height:1.78;color:#9dabb9}
.xf-foot-info p{display:flex;gap:10px;min-width:0}
.xf-foot-info p>span{color:#7d8b99;white-space:nowrap;flex:0 0 auto;min-width:104px}
.xf-foot-scope{grid-column:1/-1}
.xf-legal{border-top:1px solid rgba(255,255,255,.1);padding:16px 0 20px}
.xf-legal .xf-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:12.5px;color:#8b99a7}
.xf-legal a{color:#a9b7c5}
.xf-legal a:hover{color:#fff}
.xf-legal-icp a{color:#cfdae5}
.xf-legal-links{display:flex;gap:14px;flex-wrap:wrap;margin-left:auto}
.xf-refp{margin:0;padding:10px 24px;background:#f2f5f8;color:#6b7686;font-size:12.5px;
  line-height:1.7;border-top:1px solid var(--xf-line)}
.xf-refp a{color:var(--xf-brand2)}

.xf-float{position:fixed;right:18px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:8px}
.xf-float a{display:flex;align-items:center;justify-content:center;width:54px;height:54px;
  background:var(--xf-brand);color:#fff;border-radius:3px;font-size:12px;line-height:1.3;
  text-align:center;box-shadow:0 6px 18px rgba(15,40,70,.24)}
.xf-float a.xf-float-wx{background:var(--xf-ok)}
.xf-float a:hover{opacity:.9;color:#fff}

@media(max-width:1240px){
  .xf-nav-list>li>a{padding:8px 8px;font-size:14px}
  .xf-head-tel{font-size:14px}
  .xf-logo-img img{width:150px;height:40px}
}
@media(max-width:1100px){
  .xf-nav{display:none}
  .xf-mbtn{display:block}
  .xf-head-tel,.xf-head-login,.xf-head-reg{display:none}
  .xf-hero-in{grid-template-columns:1fr;padding:58px 24px 52px}
  .xf-hero-title{font-size:32px}
  .xf-prod-grid,.xf-svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .xf-wrap-side{grid-template-columns:1fr}
  .xf-steps{grid-template-columns:repeat(2,1fr)}
  .xf-stat-band{grid-template-columns:repeat(2,1fr)}
  .xf-foot-top{grid-template-columns:1fr}
  .xf-foot-info{grid-template-columns:1fr}
}
@media(max-width:860px){
  .xf-list{grid-template-columns:1fr}
  .xf-form .xf-row{grid-template-columns:1fr}
  .xf-band{padding:48px 0}
  .xf-band-head h2{font-size:22px}
  .xf-detail-title{font-size:22px}
  .xf-inner-hero h1{font-size:24px}
  .xf-inner-hero .xf-wrap{padding:40px 24px}
}
@media(max-width:640px){
  .xf-wrap{padding:0 16px}
  .xf-band{padding:40px 0}
  .xf-prod-grid,.xf-svc-grid,.xf-steps,.xf-stat-band{grid-template-columns:1fr}
  .xf-hero-title{font-size:25px}
  .xf-hero-sub{font-size:14.5px;line-height:1.85}
  .xf-hero-in{padding:44px 16px 44px}
  .xf-hero-card{padding:18px}
  .xf-band-head h2{font-size:20px}
  .xf-table th{width:104px;font-size:12.5px;padding:9px 10px}
  .xf-table td{font-size:12.5px;padding:9px 10px}
  .xf-detail-title{font-size:20px}
  .xf-h3{font-size:16px;margin:24px 0 10px}
  .xf-rich p{font-size:14px}
  .xf-float{right:10px;bottom:12px;gap:6px;flex-direction:row}
  .xf-float a{width:52px;height:38px;font-size:11px;line-height:1.2}
  .xf-legal .xf-wrap{flex-direction:column;align-items:flex-start;gap:6px}
  .xf-legal-links{margin-left:0}
  .xf-buybar .xf-price{font-size:21px}
  .xf-auth{padding:0 16px;margin:30px auto 50px}
  .xf-auth .xf-form{padding:22px 18px}
}