:root{--blue:#0b3d8f;--blue-d:#072a63;--orange:#f5821f;--ink:#1a2332;--gray:#5a6675;--line:#e4e8ef;--bg:#f6f8fb}
*{margin:0;padding:0;box-sizing:border-box}
body{color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}

.page-head{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,var(--blue-d) 0%,var(--blue) 55%,#1a56c4 100%);
  color:#fff;
  padding:64px 0 56px;
}
/* 原有径向光斑 */
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 82% 18%,rgba(245,130,31,.28),transparent 42%),
    radial-gradient(circle at 12% 88%,rgba(255,255,255,.08),transparent 40%);
  z-index:1;
}
/* 新增：SVG 网格底纹 */
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M0 0h1v40H0V0zm40 0v1H0V0h40z'/%3E%3C/g%3E%3C/svg%3E");
  background-size:40px 40px;
  z-index:1;
  pointer-events:none;
}
.head-inner{
  position:relative;
  z-index:2;
  width: 100%; max-width: clamp(300px, 90%, 1680px);
  margin:0 auto;
  padding:0 24px;
}



.breadcrumb{font-size:13px;color:rgba(255,255,255,.72)!important;;margin-bottom:20px}
.breadcrumb a:hover{color:#fff}
.breadcrumb a{color:#fff !important;}
.breadcrumb span{margin:0 8px;opacity:.6}
.head-titlea{font-size: 34px;font-weight: 700;margin-bottom: 12px;font-family: 'ff400',"PingFang SC", Helvetica, "Microsoft YaHei", arial, sans-serif;}
.head-sub{font-size:15px;color:rgba(255,255,255,.82);max-width:720px}
.contact-section{width: 100%; max-width: clamp(300px, 90%, 1680px);margin:0 auto;padding:56px 24px 20px}
.section-title{text-align:center;margin-bottom:40px}
.section-title .cat{font-size:13px;color:var(--orange);font-weight:600;letter-spacing:1px;margin-bottom:6px}
.section-title h2{font-size:30px;text-align: left;font-weight:700}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-bottom:48px}
.contact-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(7,42,99,.08);display:flex}
.contact-card .left{width:140px;flex-shrink:0;background:linear-gradient(160deg,var(--blue-d),var(--blue));color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px 10px;text-align:center}
.contact-card .left .ico{font-size:36px}
.contact-card .left .lbl{font-size:16px;font-weight:700}
.contact-card .right{padding:26px 28px;flex:1}
.contact-card .right .company{font-size:18px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.contact-card .right .info-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;font-size:14px;color:var(--gray)}
.contact-card .right .info-item i{color:var(--orange);margin-top:4px;width:16px;text-align:center}
.contact-card .right .info-item a:hover{color:var(--orange)}
.map-section{width: 100%; max-width: clamp(300px, 90%, 1680px);margin:0 auto;padding:0 24px 48px}
.map-container{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(7,42,99,.08);display:grid;grid-template-columns:320px 1fr}
.map-list{padding:24px;background:var(--bg);border-right:1px solid var(--line)}
.map-list .map-item{margin-bottom:20px;cursor:pointer;padding:10px;border-radius:8px;transition:background .2s}
.map-list .map-item:last-child{margin-bottom:0}
.map-list .map-item:hover{background:rgba(11,61,143,.06)}
.map-list .map-item.active{background:rgba(245,130,31,.1)}
.map-list .map-item h4{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.map-list .map-item p{font-size:13px;color:var(--gray);line-height:1.6}
#mapContainer{height:420px;width:100%}
.map-fallback{height:420px;display:flex;align-items:center;justify-content:center;color:var(--gray);font-size:14px;text-align:center;padding:20px;background:linear-gradient(135deg,#eef2f8,#dfe7f3)}
.form-section{width: 100%; max-width: clamp(300px, 90%, 1680px);margin:0 auto;padding:0 24px 60px}
.form-card{background:#fff;border-radius:16px;box-shadow:0 12px 36px rgba(7,42,99,.1);padding:40px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:20px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1/-1}
.form-label{font-size:14px;font-weight:600;color:var(--ink)}
.required{color:#e74c3c;margin-left:2px}
.form-control{height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;transition:border-color .2s}
textarea.form-control{min-height:120px;padding:12px 14px;resize:vertical}
.form-control:focus{outline:none;border-color:var(--blue)}
select.form-control{background:#fff}
.form-submit{margin-top:10px}
.btn-submit{background:var(--blue);color:#fff;border:none;padding:14px 36px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:background .25s}
.btn-submit:hover{background:var(--blue-d)}
.form-note{font-size:12.5px;color:var(--gray);margin-top:12px}
.cta-bar{background:linear-gradient(135deg,var(--blue-d),var(--blue));position:relative;overflow:hidden;padding:48px 0}
.cta-bar::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 50%,rgba(245,130,31,.25),transparent 50%)}
.cta-inner{width: 100%; max-width: clamp(300px, 90%, 1680px);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:2}
.cta-title{font-size:26px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-sub{font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-buttons{display:flex;gap:16px;flex-shrink:0}
.btn{padding:13px 28px;border-radius:8px;font-size:14.5px;font-weight:600;cursor:pointer;transition:all .25s;border:2px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#e06d12;transform:translateY(-2px);box-shadow:0 8px 20px rgba(245,130,31,.3)}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.15)}
@media(max-width:900px){
.contact-grid{grid-template-columns:1fr}
.map-container{grid-template-columns:1fr}
#mapContainer,.map-fallback{height:300px}
.form-row{grid-template-columns:1fr}
.cta-inner{flex-direction:column;text-align:center}
.cta-buttons{justify-content:center}
}
@media(max-width:480px){
.contact-card{flex-direction:column}
.contact-card .left{width:100%;padding:18px}
.head-titlea{font-size:27px}
}
.contact-card {
	background: rgba(255, 255, 255, 0.95);
	border-radius: 10px;
	padding: 0;
	flex: 1;
	min-width: 280px;
	box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}