/* ============================================================
   合肥领晟云计算有限公司 — 企业官网样式
   金蝶软件授权合作伙伴 · 现代响应式主题
   ============================================================ */

:root{
  --blue:#1a5fd6;
  --blue-deep:#0e3fa0;
  --blue-light:#eaf1ff;
  --navy:#0a1f44;
  --accent:#ff5a3c;
  --accent2:#f5455c;
  --ink:#1f2733;
  --gray:#5b6675;
  --line:#e6ebf2;
  --bg:#f5f7fb;
  --white:#fff;
  --radius:14px;
  --shadow:0 10px 30px rgba(16,40,90,.08);
  --shadow-lg:0 18px 50px rgba(16,40,90,.14);
  --maxw:1240px;
  --header-h:72px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.7;font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:78px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 48px}
.section-head .eyebrow{
  display:inline-block;color:var(--blue);font-weight:700;letter-spacing:2px;
  font-size:13px;margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:34px;line-height:1.25;color:var(--navy);font-weight:800;letter-spacing:1px}
.section-head p{color:var(--gray);margin-top:14px;font-size:15px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:40px;font-weight:600;font-size:15px;
  transition:.25s;cursor:pointer;border:2px solid transparent;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;box-shadow:0 8px 22px rgba(26,95,214,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,95,214,.45)}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn-ghost:hover{background:var(--blue-light)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--blue-light)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy);color:#cdd8ee;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:42px}
.topbar a{color:#cdd8ee}
.topbar .tb-left span{margin-right:22px}
.topbar .tb-left i{color:var(--accent);font-style:normal;margin-right:6px}
.topbar .tb-right a{margin-left:18px}
.topbar .tb-right a:hover{color:#fff}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:.3s}
.header.scrolled{box-shadow:var(--shadow)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:19px}
.logo .mark{
  width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;box-shadow:0 6px 16px rgba(26,95,214,.4)
}
.logo small{display:block;font-size:11px;color:var(--gray);font-weight:500;letter-spacing:1px}
.menu{display:flex;gap:6px}
.menu>li{position:relative}
.menu>li>a{display:block;padding:10px 16px;font-weight:600;color:var(--ink);border-radius:9px;transition:.2s}
.menu>li>a:hover,.menu>li.active>a{color:var(--blue);background:var(--blue-light)}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);
  min-width:210px;padding:10px;opacity:0;visibility:hidden;transition:.25s;z-index:50}
.menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(6px)}
.dropdown a{display:block;padding:10px 14px;border-radius:8px;color:var(--gray);font-weight:500;font-size:14px}
.dropdown a:hover{background:var(--blue-light);color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .phone{font-weight:800;color:var(--blue);font-size:17px}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--navy);border-radius:3px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;height:560px;overflow:hidden;background:var(--navy)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;display:flex;align-items:center;
  background-size:cover;background-position:center;filter:brightness(1.05) saturate(1.08)}
.slide::before{content:"";position:absolute;inset:0;background:
  radial-gradient(720px 440px at 82% 14%,rgba(125,185,255,.32),transparent 62%),
  linear-gradient(100deg,rgba(8,20,46,.80) 0%,rgba(8,20,46,.48) 30%,rgba(8,20,46,.16) 60%,rgba(8,20,46,.04) 100%)}
.slide.active{opacity:1}
.slide .container{position:relative;z-index:2;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.5)}
.slide .tag{display:inline-block;background:rgba(255,90,60,.9);padding:6px 16px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:18px}
.slide h1{font-size:46px;line-height:1.2;font-weight:800;margin-bottom:18px;letter-spacing:1px}
.slide h1 span{color:#5ea0ff}
.slide p{font-size:18px;color:#d7e2f7;max-width:560px;margin-bottom:30px}
.slide .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dots button{width:11px;height:11px;border-radius:50%;border:none;background:rgba(255,255,255,.45);cursor:pointer;transition:.3s}
.hero-dots button.active{background:#fff;width:30px;border-radius:6px}

/* ---------- 数据实力 ---------- */
.stats{background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;padding:54px 0}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats .num{font-size:42px;font-weight:800;line-height:1}
.stats .num b{font-size:22px;font-weight:700}
.stats .label{margin-top:8px;color:#cfe0ff;font-size:14px}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.28s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card .ico{width:54px;height:54px;border-radius:13px;background:var(--blue-light);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px}
.card p{color:var(--gray);font-size:14px}
.card .more{display:inline-block;margin-top:14px;color:var(--blue);font-weight:600;font-size:14px}
.card .more:hover{text-decoration:underline}

/* 产品卡（带标签） */
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0;overflow:hidden;transition:.28s}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.prod-card .ph{height:130px;background:linear-gradient(135deg,#2a73e8,#0e3fa0);display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:800}
.prod-card .pb{padding:22px}
.prod-card .pb h3{color:var(--navy);font-size:18px;margin-bottom:6px}
.prod-card .pb .sub{color:var(--gray);font-size:13.5px;margin-bottom:14px;min-height:42px}
.prod-card .tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.prod-card .tags span{font-size:12px;background:var(--blue-light);color:var(--blue);padding:4px 11px;border-radius:20px}
.prod-card .pb .actions{display:flex;gap:10px}
.prod-card .pb .actions .btn{flex:1;justify-content:center;padding:9px 0;font-size:13.5px}

/* ---------- 解决方案切换 ---------- */
.tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.tabs button{border:1px solid var(--line);background:#fff;padding:11px 24px;border-radius:30px;font-weight:600;color:var(--gray);cursor:pointer;transition:.25s}
.tabs button.active,.tabs button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ---------- 案例墙 ---------- */
.case-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff;transition:.28s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-card .cv{height:180px;background:linear-gradient(135deg,#1f4f9e,#0e3fa0);position:relative;display:flex;align-items:flex-end;padding:18px;color:#fff}
.case-card .cv .cat{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.18);padding:4px 12px;border-radius:20px;font-size:12px}
.case-card .cv h4{font-size:18px;font-weight:700}
.case-card .cb{padding:20px}
.case-card .cb p{color:var(--gray);font-size:14px}
.case-card .cb .more{color:var(--blue);font-weight:600;font-size:14px;display:inline-block;margin-top:10px}

/* ---------- 服务 ---------- */
.service-row{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-bottom:30px}
.service-row.reverse{direction:rtl}
.service-row.reverse>*{direction:ltr}
.service-row .simg{height:300px;border-radius:var(--radius);background:linear-gradient(135deg,#2a73e8,#0e3fa0);display:flex;align-items:center;justify-content:center;color:#fff;font-size:60px}
.service-row .stxt h3{font-size:24px;color:var(--navy);margin-bottom:14px}
.service-row .stxt p{color:var(--gray);margin-bottom:16px}
.service-row .stxt ul li{padding-left:26px;position:relative;margin-bottom:9px;color:var(--ink)}
.service-row .stxt ul li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}

/* ---------- 新闻 ---------- */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card .nv{height:170px;background:linear-gradient(135deg,#3a82f0,#0e3fa0);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}
.news-card .nb{padding:20px}
.news-card .nb .date{color:var(--accent);font-size:13px;font-weight:600}
.news-card .nb h3{font-size:17px;color:var(--navy);margin:8px 0;line-height:1.4}
.news-card .nb p{color:var(--gray);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 关于/CTA ---------- */
.about-cta{background:linear-gradient(120deg,var(--navy),#10306e);color:#fff;border-radius:20px;padding:54px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.about-cta h2{font-size:30px;margin-bottom:10px}
.about-cta p{color:#cdd8ee}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:10px}
.feature{display:flex;gap:16px;align-items:flex-start}
.feature .fi{width:46px;height:46px;flex:none;border-radius:12px;background:var(--blue-light);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:22px}
.feature h4{color:var(--navy);margin-bottom:4px}
.feature p{color:var(--gray);font-size:14px}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy);color:#c3cfe6;padding:60px 0 24px;font-size:14px}
.footer .fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer .flogo{color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer .flogo .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--blue-deep));display:flex;align-items:center;justify-content:center;font-size:18px}
.footer h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer a{color:#c3cfe6;display:block;padding:5px 0;transition:.2s}
.footer a:hover{color:#fff;padding-left:4px}
.footer .contact-line{margin-bottom:10px}
.footer .contact-line b{color:#fff}
.footer .socials{display:flex;gap:12px;margin-top:16px}
.footer .socials a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:18px}
.footer .socials a:hover{background:var(--blue)}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;text-align:center;color:#8da3c9;font-size:13px}
.footer .bottom a{display:inline;color:#8da3c9}

/* ---------- 浮窗 ---------- */
.floatbar{position:fixed;right:22px;bottom:90px;z-index:120;display:flex;flex-direction:column;gap:12px}
.floatbar a{width:50px;height:50px;border-radius:50%;background:#fff;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--blue);transition:.25s;position:relative}
.floatbar a:hover{background:var(--blue);color:#fff;transform:scale(1.08)}
.floatbar a .tip{position:absolute;right:62px;top:50%;transform:translateY(-50%);background:var(--navy);color:#fff;padding:6px 12px;border-radius:8px;font-size:13px;white-space:nowrap;opacity:0;visibility:hidden;transition:.2s}
.floatbar a:hover .tip{opacity:1;visibility:visible}
.backtop{background:var(--blue)!important;color:#fff!important;opacity:0;visibility:hidden;transition:.3s}
.backtop.show{opacity:1;visibility:visible}

/* ---------- 面包屑 / 内页头 ---------- */
.page-hero{background:linear-gradient(120deg,var(--navy),#10306e);color:#fff;padding:70px 0 60px}
.page-hero h1{font-size:38px;font-weight:800;margin-bottom:10px}
.page-hero p{color:#cdd8ee;max-width:680px}
.breadcrumb{padding:16px 0;color:var(--gray);font-size:14px;border-bottom:1px solid var(--line)}
.breadcrumb a:hover{color:var(--blue)}

/* ---------- 表单 ---------- */
.form-wrap{max-width:620px;margin:0 auto}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-weight:600;margin-bottom:7px;color:var(--navy)}
.form-row input,.form-row textarea,.form-row select{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-size:15px;
  font-family:inherit;transition:.2s;background:#fff;color:var(--ink)}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-light)}
.form-row textarea{min-height:130px;resize:vertical}
.form-note{background:var(--blue-light);color:var(--blue-deep);padding:14px 18px;border-radius:10px;font-size:14px;margin-bottom:22px}

/* info cards */
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.info-card{background:var(--bg);border-radius:var(--radius);padding:28px;text-align:center}
.info-card .ico{font-size:34px;margin-bottom:12px}
.info-card h4{color:var(--navy);margin-bottom:6px}
.info-card p{color:var(--gray);font-size:14px}

/* timeline */
.timeline{position:relative;padding-left:28px;margin-top:20px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline li{position:relative;margin-bottom:22px}
.timeline li::before{content:"";position:absolute;left:-25px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--blue-light)}
.timeline .ty{font-weight:700;color:var(--blue)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.show{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-toggle{display:flex}
  .menu{position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;
    padding:14px;gap:4px;box-shadow:var(--shadow-lg);max-height:0;overflow:hidden;transition:.35s;align-items:stretch}
  .menu.open{max-height:90vh;overflow:auto}
  .menu>li>a{padding:13px 14px}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;
    min-width:auto;padding:0 0 6px 14px;display:none}
  .menu>li:hover .dropdown{display:block}
  .nav-cta .phone{display:none}
  .slide h1{font-size:32px}
  .slide p{font-size:15px}
  .hero{height:480px}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .service-row,.service-row.reverse{direction:ltr;grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
  .about-cta{padding:34px}
  .footer .fgrid{grid-template-columns:1fr}
  .section-head h2{font-size:27px}
}