/* =========================================================
   云企通 · 企业互联网服务 (小程序/网站/400电话)
   共享样式表  style.css
   ========================================================= */

:root{
  --blue:#e0231b;
  --blue-dark:#a8120b;
  --blue-soft:#fdecea;
  --red:#e0231b;          /* 咨询电话高亮 */
  --red-dark:#bf1710;
  --ink:#16202e;
  --gray:#5b6675;
  --line:#e6e9f0;
  --bg:#f6f8fc;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 8px 28px rgba(20,40,90,.08);
  --shadow-lg:0 16px 48px rgba(20,40,90,.14);
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);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}

/* ---------- 布局容器 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section.tight{padding:44px 0}
.bg-white{background:var(--white)}
.bg-soft{background:var(--bg)}
.bg-blue{background:linear-gradient(135deg,var(--blue) 0%,var(--blue-dark) 100%);color:#fff}

/* ---------- 顶部咨询条 ---------- */
.topbar{background:var(--ink);color:#cdd6e4;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#9fb4ff}
.topbar .city{color:#9fb4ff}

/* ---------- 头部导航 ---------- */
.header{position:sticky;top:0;z-index:50;background:var(--white);box-shadow:0 2px 14px rgba(20,40,90,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--gray);letter-spacing:1px}
.menu{display:flex;gap:6px}
.menu a{padding:9px 14px;border-radius:9px;font-weight:600;color:#2a374a;transition:.2s;font-size:15px}
.menu a:hover{background:var(--blue-soft);color:var(--blue)}
.menu a.active{background:var(--blue);color:#fff}
.phone-btn{display:flex;align-items:center;gap:8px;background:var(--red);color:#fff;
  padding:10px 16px;border-radius:11px;font-weight:800;font-size:16px;white-space:nowrap;transition:.2s}
.phone-btn:hover{background:var(--red-dark)}
.phone-btn .ico{font-size:15px}

/* 移动端菜单按钮 */
.nav-toggle{display:none;background:none;border:0;font-size:24px;color:var(--ink);cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:72px 0 64px;background:
  radial-gradient(1200px 500px at 80% -10%,rgba(224,35,27,.16),transparent 60%),
  linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:40px;line-height:1.25;font-weight:900;letter-spacing:-.5px}
.hero h1 .hl{color:var(--blue)}
.hero p.lead{margin:18px 0 26px;font-size:17px;color:var(--gray);max-width:520px}
.hero .tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero .tags span{background:var(--blue-soft);color:var(--blue);font-weight:600;
  padding:6px 13px;border-radius:999px;font-size:13px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:12px;
  font-weight:800;font-size:16px;transition:.2s;cursor:pointer;border:2px solid transparent}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}

.hero-card{background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);padding:26px}
.hero-card .num{font-size:30px;font-weight:900;color:var(--red);letter-spacing:1px}
.hero-card .lab{color:var(--gray);font-size:13px;margin-bottom:14px}
.hero-card .mini{display:flex;justify-content:space-between;font-size:13px;color:var(--gray);
  border-top:1px dashed var(--line);padding-top:12px;margin-top:6px}

/* ---------- 标题块 ---------- */
.head{text-align:center;max-width:760px;margin:0 auto 40px}
.head .ey{color:var(--blue);font-weight:800;letter-spacing:2px;font-size:13px;text-transform:uppercase}
.head h2{font-size:30px;font-weight:900;margin:10px 0 12px}
.head p{color:var(--gray);font-size:16px}

/* ---------- 服务卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:.25s;box-shadow:var(--shadow)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c9d6ff}
.card .ico{width:52px;height:52px;border-radius:13px;background:var(--blue-soft);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--gray);font-size:14px}
.card .more{display:inline-block;margin-top:14px;color:var(--blue);font-weight:700;font-size:14px}

/* 特性列表 */
.feat{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.feat:last-child{border:0}
.feat .dot{flex:0 0 30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.feat h4{font-size:16px;margin-bottom:2px}
.feat p{color:var(--gray);font-size:14px}

/* ---------- 数字统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;color:#fff}
.stats .n{font-size:36px;font-weight:900}
.stats .l{opacity:.85;font-size:14px;margin-top:4px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:-14px;left:24px;
  background:var(--blue);color:#fff;font-weight:900;width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;font-size:15px}
.step h4{margin:14px 0 6px;font-size:17px}
.step p{color:var(--gray);font-size:14px}

/* ---------- 案例 ---------- */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:.25s}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case .thumb{height:160px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:46px}
.case .body{padding:20px}
.case .body .tag{display:inline-block;background:var(--blue-soft);color:var(--blue);font-size:12px;
  font-weight:700;padding:3px 10px;border-radius:999px;margin-bottom:10px}
.case .body h4{font-size:17px;margin-bottom:6px}
.case .body p{color:var(--gray);font-size:14px}

/* ---------- 城市服务区 (GEO) ---------- */
.geo{background:var(--bg);border-top:1px solid var(--line)}
.geo .cities{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.geo .cities a{background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:600;
  padding:8px 16px;border-radius:999px;font-size:14px;transition:.2s}
.geo .cities a:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}
.geo .region{font-size:13px;color:var(--gray);margin-top:14px;line-height:1.9}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.form-control{margin-bottom:16px}
.form-control label{display:block;font-weight:700;margin-bottom:6px;font-size:14px}
.form-control input,.form-control textarea{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;font-size:15px;font-family:inherit;background:#fff;transition:.2s}
.form-control input:focus,.form-control textarea:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(224,35,27,.12)}
.form-control textarea{resize:vertical;min-height:120px}
.info-box{background:var(--blue-soft);border-radius:var(--radius);padding:26px}
.info-box h3{margin-bottom:14px}
.info-box .row{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed #cdd9ff}
.info-box .row:last-child{border:0}
.info-box .row .k{color:var(--gray);flex:0 0 76px;font-size:14px}
.info-box .row .v{font-weight:700}
.note{font-size:13px;color:var(--gray);margin-top:10px}

/* ---------- 城市落地页留言表单 ---------- */
.lead-form{max-width:680px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.lead-form .row{margin-bottom:16px}
.lead-form .row label{display:block;font-weight:700;margin-bottom:6px;font-size:14px}
.lead-form .row input,.lead-form .row select,.lead-form .row textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;font-family:inherit;background:#fff;transition:.2s}
.lead-form .row input:focus,.lead-form .row select:focus,.lead-form .row textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(224,35,27,.12)}
.lead-form .row textarea{resize:vertical}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#aebbcf;padding:54px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer a{color:#aebbcf;display:block;padding:5px 0;font-size:14px;transition:.2s}
.footer a:hover{color:#fff}
.footer .brand{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer .brand .mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  display:flex;align-items:center;justify-content:center;color:#fff}
.footer .ph{color:var(--red);font-weight:900;font-size:22px;margin:10px 0}
.footer-bottom{border-top:1px solid #29384c;margin-top:30px;padding-top:20px;
  font-size:13px;color:#7d8aa0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-bottom .geo-mini{color:#7d8aa0}

/* ---------- 悬浮咨询 ---------- */
.float-cta{position:fixed;right:20px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float-cta a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:#fff;box-shadow:var(--shadow-lg);transition:.2s}
.float-cta .call{position:relative;background:var(--red)}
.float-cta .qq{background:var(--blue)}
.float-cta a:hover{transform:scale(1.08)}
/* 鼠标悬停显示 400 电话 */
.float-cta .call .tip{position:absolute;right:64px;top:50%;
  transform:translateY(-50%) translateX(12px);
  background:#fff;color:var(--red);font-size:15px;font-weight:800;letter-spacing:.5px;
  white-space:nowrap;padding:9px 16px;border-radius:30px;
  box-shadow:0 8px 22px rgba(0,0,0,.18);
  opacity:0;visibility:hidden;transition:.22s ease;pointer-events:none}
.float-cta .call:hover .tip{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-3,.grid-4,.grid-2,.stats,.steps,.footer-grid,.contact-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:32px}
}
@media(max-width:680px){
  .menu{position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;
    padding:10px 20px;gap:4px;box-shadow:var(--shadow);display:none}
  .menu.open{display:flex}
  .nav-toggle{display:block}
  .phone-btn span.txt{display:none}
  .phone-btn{padding:10px 12px}
  .grid-3,.grid-4,.grid-2,.stats,.steps,.footer-grid,.contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:27px}
  .section{padding:46px 0}
  .head h2{font-size:24px}
}