/* ============ fjlhxzn.com 官网 前端样式 ============ */
:root{
  --primary:#0a4fd4; --primary-d:#08378f; --accent:#00a3e0;
  --dark:#081f3c; --dark2:#0c2c55; --ink:#1f2d3d; --muted:#5c6b7f;
  --line:#e4eaf2; --bg:#f4f7fb; --card:#fff;
  --r:12px; --sh:0 6px 24px rgba(10,40,90,.08);
  --sh-hover:0 14px 34px rgba(10,40,90,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Microsoft YaHei","PingFang SC","Malgun Gothic",-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1240px;margin:0 auto;padding:0 22px}
.container.narrow{max-width:960px}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:11px 26px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:2px solid transparent;transition:.2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.btn-ghost:hover{background:#fff;color:var(--dark)}
.btn-light{background:#fff;color:var(--primary);border-color:#fff}
.btn-sm{padding:7px 16px;font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);transition:.25s}
.sec{padding:72px 0}
.sec-gray{background:var(--bg)}
.sec-head{margin-bottom:38px;text-align:center}
.sec-head h2{font-size:30px;color:var(--dark);position:relative;display:inline-block}
.sec-head h2::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:12px auto 0}
.sec-head p{color:var(--muted);margin-top:12px}
.sec-head.row-between{display:flex;justify-content:space-between;align-items:flex-end;text-align:left}
.sec-head.row-between h2::after{margin:10px 0 0}
.more-link{color:var(--primary);font-weight:600;white-space:nowrap}
.reveal{opacity:0;transform:translateY(22px);transition:.55s}
.reveal.in{opacity:1;transform:none}

/* ---------- 顶栏/头部 ---------- */
.topbar{background:var(--dark);color:#cdd9ea;font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar-l span{margin-right:20px}
.lang-switch a{color:#a9bcd4;margin-left:14px;padding:2px 8px;border-radius:6px}
.lang-switch a.on{background:var(--primary);color:#fff}
.header{position:sticky;top:0;z-index:90;background:#fff;box-shadow:0 2px 14px rgba(8,31,60,.07)}
.header-in{display:flex;justify-content:space-between;align-items:center;height:76px}
.logo{display:flex;align-items:center;gap:12px}
.logo-img{height:52px;width:auto;max-width:230px;object-fit:contain}
.logo-mark{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:22px;font-weight:800;display:grid;place-items:center;flex:0 0 auto}
.logo-text b{display:block;font-size:19px;color:var(--dark);letter-spacing:.5px}
.logo-text small{color:var(--muted);font-size:11px;letter-spacing:.4px}
.nav ul{display:flex;align-items:center;gap:4px;list-style:none}
.nav a{display:block;padding:10px 15px;font-size:15px;font-weight:600;color:var(--ink);border-radius:8px}
.nav a:hover,.nav a.on{color:var(--primary);background:#eef4ff}
.nav .cta-li a{background:var(--primary);color:#fff}
.nav .cta-li a:hover{background:var(--primary-d);color:#fff}
.has-sub{position:relative}
.has-sub > a i{margin-left:4px;font-style:normal;font-size:10px}
.sub{display:none;position:absolute;top:100%;left:0;min-width:230px;background:#fff;border-radius:10px;box-shadow:var(--sh-hover);padding:8px;z-index:99}
.sub a{display:block;padding:10px 14px;border-radius:8px}
.sub a:hover{background:#eef4ff}
.has-sub:hover .sub{display:block}
.nav-toggle{display:none;background:none;border:0;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--dark);margin:5px 0;border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;height:min(620px,78vh);overflow:hidden;background:var(--dark)}
.hero-track{display:flex;height:100%;transition:transform .7s ease}
.hero-slide{position:relative;min-width:100%;height:100%}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,38,.82) 0%,rgba(6,18,38,.45) 55%,rgba(6,18,38,.15));}
.hero-cap{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%)}
.hero-cap h1{color:#fff;font-size:clamp(30px,4.4vw,54px);max-width:760px;text-shadow:0 2px 18px rgba(0,0,0,.3)}
.hero-cap p{color:#d6e4f5;font-size:clamp(15px,1.6vw,19px);margin:18px 0 26px;max-width:640px}
.hero-dots{position:absolute;bottom:24px;left:0;right:0;display:flex;gap:9px;justify-content:center}
.hero-dots i{width:26px;height:4px;border-radius:2px;background:rgba(255,255,255,.4);cursor:pointer}
.hero-dots i.on{background:var(--accent)}

/* ---------- 首页卡片 ---------- */
.grid4,.grid3{display:grid;gap:24px}
.grid4{grid-template-columns:repeat(4,1fr)}
.grid3{grid-template-columns:repeat(3,1fr)}
.imgbox{overflow:hidden;background:#eef2f7}
.imgbox img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .imgbox img{transform:scale(1.06)}
.ind-card{position:relative;padding:30px 24px 26px;overflow:hidden;border-top:3px solid transparent}
.ind-card:hover{border-top-color:var(--primary);box-shadow:var(--sh-hover);transform:translateY(-5px)}
.ind-badge{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:20px;font-weight:800;display:grid;place-items:center;margin-bottom:16px;opacity:.95}
.ind-card h3{font-size:19px;color:var(--dark)}
.ind-card p{color:var(--muted);font-size:14px;margin:10px 0 16px}
.ind-card .more{color:var(--primary);font-size:14px;font-weight:600}
.app-card{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s}
.app-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.app-card .imgbox{height:170px}
.app-card .app-txt{padding:16px 18px 20px}
.app-card h3{font-size:17px;color:var(--dark)}
.app-card p{color:var(--muted);font-size:13.5px;margin-top:6px}
.prod-card{overflow:hidden}
.prod-card .imgbox{height:190px}
.prod-card h3{padding:15px 18px 4px;font-size:16.5px;color:var(--dark)}
.prod-card p{padding:0 18px;color:var(--muted);font-size:13px}
.prod-card .more{display:inline-block;margin:10px 18px 16px;color:var(--primary);font-size:13.5px;font-weight:600}
.prod-card-body{padding:0 18px 14px}
.prod-card-body p{margin-top:6px}
.prod-card:hover{box-shadow:var(--sh-hover);transform:translateY(-5px)}

/* 服务 band */
.band{background:var(--dark);color:#fff}
.band-svc{background:linear-gradient(120deg,#081f3c,#0c3a6e 55%,#08386b)}
.band-in{text-align:center;padding:64px 0}
.band-in h2{font-size:30px;margin-bottom:34px}
.band-in h2::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:var(--accent);margin:12px auto 0}
.svc-items{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.svc{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:26px 30px;min-width:200px}
.svc b{display:block;font-size:40px;color:#6fd0ff;font-weight:800}
.svc span{color:#d9e6f5;font-size:15px}
.svc-wide{display:flex;align-items:center;min-width:300px;flex:1;max-width:520px}
.svc-wide span{font-size:14.5px;line-height:1.8}

/* 新闻 */
.news-card .imgbox{height:170px}
.news-card .news-body{padding:16px 18px 20px}
.news-card time{color:var(--accent);font-size:12.5px;font-weight:700}
.news-card h3{font-size:16.5px;color:var(--dark);margin-top:6px}
.news-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}

/* logo 墙 */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.logo-item{display:grid;place-items:center;height:92px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;filter:grayscale(1);opacity:.72;transition:.25s;overflow:hidden}
.logo-item img{max-height:58px;max-width:86%;object-fit:contain}
.logo-item span{font-weight:700;color:var(--dark);font-size:15px;text-align:center}
.logo-item:hover{filter:none;opacity:1;box-shadow:var(--sh);transform:translateY(-3px)}
.logo-wall.big{grid-template-columns:repeat(6,1fr)}
.logo-wall.big .logo-item{height:110px}

/* ---------- 内页 hero ---------- */
.page-hero{background:linear-gradient(120deg,#081f3c,#0d3a74);color:#fff;padding:52px 0 58px}
.page-hero.slim{padding:40px 0 44px}
.page-hero h1{font-size:clamp(26px,3.4vw,40px)}
.page-hero p{color:#bcd0e8;margin-top:12px;max-width:820px}
.page-hero time{color:#8fb0d8;display:inline-block;margin-top:10px;font-size:14px}
.crumb{font-size:13px;color:#93b1d5;margin-bottom:16px}
.crumb a:hover{color:#fff}

/* 解决方案页 */
.ind-list{display:flex;flex-direction:column;gap:34px}
.ind-block{display:grid;grid-template-columns:340px 1fr;gap:30px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:34px;align-items:center}
.ind-block h2{color:var(--dark);font-size:24px;margin:14px 0 10px}
.ind-block p{color:var(--muted);font-size:14.5px}
.ind-block .more-link{display:inline-block;margin-top:14px}
.ind-block-sols{display:flex;flex-wrap:wrap;gap:14px}
.sol-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-weight:600;color:var(--dark);font-size:15px;flex:1 1 200px;max-width:260px;transition:.2s}
.sol-chip:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--sh);transform:translateY(-2px)}
.chip-num{color:var(--accent);font-weight:800}

.sol-grid,.sol-tabs{display:grid;gap:24px}
.sol-grid{grid-template-columns:repeat(3,1fr)}
.sol-card .imgbox{height:220px}
.sol-card .sol-card-body{padding:20px 22px 22px}
.sol-card h3{font-size:19px;color:var(--dark)}
.sol-card p{color:var(--muted);font-size:13.5px;margin:8px 0 12px}
.sol-card .count{font-size:12.5px;color:var(--accent);font-weight:700}
.sol-card .more{display:block;margin-top:12px;color:var(--primary);font-weight:600;font-size:14px}
.sol-card:hover{box-shadow:var(--sh-hover);transform:translateY(-5px)}
.sol-tabs{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:46px;gap:14px}
.sol-tab{background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 20px;text-align:center;font-weight:600;font-size:14.5px;color:var(--muted)}
.sol-tab.on{background:var(--primary);border-color:var(--primary);color:#fff}
.sol-tab:hover{border-color:var(--primary);color:var(--primary)}
.sol-tab.on:hover{color:#fff}

/* 产品详情 */
.prod-top{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start}
.prod-gallery{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.prod-gallery img{width:100%;object-fit:contain;max-height:480px}
.prod-info h3{color:var(--dark);font-size:22px;margin-bottom:12px}
.prod-summary{color:var(--muted);margin-bottom:20px;line-height:1.9}
.prod-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:24px}
.prod-tags a{background:#eef4ff;color:var(--primary);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600}
.prod-tags a:hover{background:var(--primary);color:#fff}
.sec-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px;margin-bottom:26px}
.sec-card h3{color:var(--dark);font-size:21px;margin-bottom:16px}
.rich img{margin:10px auto;border-radius:8px}
.rich table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
.rich table td,.rich table th{border:1px solid var(--line);padding:8px 12px;text-align:center}
.rich table tr:first-child{background:#f0f5fc;font-weight:600}
.rich p{margin:10px 0;color:#33404f}
.rich h2,.rich h3,.rich h4{margin:22px 0 10px;color:var(--dark)}
.rich ul,.rich ol{padding-left:24px;margin:10px 0}
.rich-body{overflow-x:auto}

/* 招聘 */
.job-item{margin-bottom:18px;overflow:hidden}
.job-head{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;cursor:pointer}
.job-head h3{color:var(--dark);font-size:19px}
.job-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:8px;color:var(--muted);font-size:13.5px}
.job-arrow{width:32px;height:32px;border-radius:50%;background:#eef4ff;color:var(--primary);display:grid;place-items:center;font-size:20px;font-weight:700;transition:.25s}
.job-item.open .job-arrow{transform:rotate(45deg);background:var(--primary);color:#fff}
.job-body{display:none;padding:0 26px 24px;border-top:1px dashed var(--line)}
.job-item.open .job-body{display:block}
table.kv{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
table.kv td{border:1px solid var(--line);padding:9px 14px}
table.kv td:first-child,table.kv td:nth-child(3){background:#f4f7fb;font-weight:600;width:110px;color:var(--muted)}
.apply-line{margin-top:14px;background:#eef4ff;padding:12px 16px;border-radius:8px;font-size:14px}
.apply-line a{color:var(--primary);font-weight:700}

/* 荣誉 */
.honor-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;text-align:center;transition:.25s}
.honor-card .imgbox{height:230px}
.honor-card .imgbox img{object-fit:contain;padding:14px}
.honor-card figcaption{padding:12px;font-size:14px;color:var(--dark);font-weight:600;border-top:1px solid var(--line)}
.honor-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:420px 1fr;gap:30px;align-items:start}
.contact-info{padding:30px}
.c-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.c-ico{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:20px;display:grid;place-items:center;flex:0 0 auto}
.c-item b{display:block;color:var(--dark);font-size:15px;margin-bottom:4px}
.c-item a,.c-item p{color:var(--muted);font-size:14px;word-break:break-all}
.c-note{background:#eef4ff;border-radius:10px;padding:14px 16px;color:var(--primary);font-size:13.5px;margin-top:18px;line-height:1.7}
.inquiry{padding:32px}
.inquiry h3{color:var(--dark);font-size:22px}
.inquiry .muted{font-size:13.5px;margin:8px 0 22px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-cell{display:flex;flex-direction:column}
.inquiry label{font-size:14px;font-weight:600;color:var(--dark);margin:14px 0 6px;display:block}
.inquiry input,.inquiry textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 14px;font-size:14.5px;font-family:inherit;background:#fbfcfe;transition:.2s;margin-top:6px}
.inquiry input:focus,.inquiry textarea:focus{outline:0;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(10,79,212,.1)}
.inquiry .btn{margin-top:22px;width:100%;justify-content:center}
.alert-ok{background:#e8f8ef;color:#18794e;padding:14px 18px;border-radius:10px;margin-top:16px;font-weight:600}
.alert-err{background:#fdecec;color:#c0392b;padding:10px 14px;border-radius:8px;margin-bottom:6px;font-size:14px}
.map-wrap iframe{width:100%;height:420px;border:0;display:block;filter:saturate(.85)}
.empty-box,.empty{color:var(--muted);text-align:center;padding:40px 0}
.cta-box{text-align:center;margin-top:20px}
.ph{height:100%;min-height:120px;background:linear-gradient(135deg,#eef2f7,#dce6f2)}
.ph::after{content:"🖼";display:grid;place-items:center;height:100%;color:#b6c5d9;font-size:30px}
.news-row{padding:22px 26px;margin-bottom:16px;display:block}
.news-row time{color:var(--accent);font-size:13px;font-weight:700}
.news-row h3{color:var(--dark);font-size:18px;margin:6px 0}
.news-row p{color:var(--muted);font-size:14px}
.news-row:hover{box-shadow:var(--sh-hover);transform:translateX(4px)}
.rich-page p{font-size:15.5px;line-height:2.05;text-align:justify}
.rich-page img{margin:18px auto;border-radius:10px}
.rich-page p img{max-width:100%;height:auto;border:1px solid var(--line);box-shadow:var(--sh);display:block;margin:18px auto;border-radius:10px}

/* ---------- 页脚 ---------- */
.footer{background:#071a33;color:#9fb3cf;font-size:14px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding:56px 22px 40px;max-width:1240px;margin:0 auto}
.f-logo{display:flex;align-items:center;gap:11px;color:#fff;font-size:18px;margin-bottom:14px}
.f-logo img{height:56px;width:auto;max-width:200px;object-fit:contain}
.f-slogan{color:#cfe0f2;margin-bottom:10px}
.f-addr{line-height:1.8}
.f-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
.f-col a{display:block;padding:5px 0;color:#9fb3cf}
.f-col a:hover{color:#6fd0ff;padding-left:4px}
.f-col p{margin:6px 0}
.f-col .btn{margin-top:14px}
.f-bottom{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;max-width:1240px;margin:0 auto;padding:18px 22px;border-top:1px solid rgba(255,255,255,.08);color:#7c93b3;font-size:13px}
.f-bottom a:hover{color:#fff}
.backtop{position:fixed;right:26px;bottom:34px;width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;font-size:20px;display:grid;place-items:center;box-shadow:var(--sh-hover);cursor:pointer;opacity:0;pointer-events:none;transition:.25s;z-index:80}
.backtop.show{opacity:1;pointer-events:auto}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .grid4{grid-template-columns:repeat(2,1fr)}
  .grid3,.sol-grid{grid-template-columns:repeat(2,1fr)}
  .prod-top{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ind-block{grid-template-columns:1fr}
  .logo-wall,.logo-wall.big{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:760px){
  .sec{padding:52px 0}
  .nav-toggle{display:block}
  .nav{position:fixed;top:76px;left:0;right:0;background:#fff;max-height:0;overflow:hidden;transition:max-height .3s;box-shadow:0 12px 24px rgba(8,31,60,.12)}
  .nav.open{max-height:calc(100vh - 76px);overflow-y:auto}
  .nav ul{flex-direction:column;align-items:stretch;padding:10px 16px 20px}
  .sub{position:static;display:none;box-shadow:none;padding-left:12px}
  .has-sub.open .sub{display:block}
  .grid4,.grid3,.sol-grid{grid-template-columns:1fr}
  .logo-wall,.logo-wall.big{grid-template-columns:repeat(3,1fr)}
  .f-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .topbar-l span:last-child{display:none}
  .svc-items{flex-direction:column;align-items:center}
  .hero{height:56vh}
}