*, *::before, *::after, dl, ol, ul, li, dt, dd{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;line-height:1.6;color:#666666;background-color:#f8fafc;-webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale}
ol, li{list-style:none}
table{border-collapse:collapse; border-spacing:0;width:100%;}
a{text-decoration:none;color:#666666;transition:color 0.2s ease}
h1, h2, h3, h4, h5, h6{margin:0;padding:0;font-weight:600;line-height:1.2}
input, button, textarea, select{border:none;background:transparent;outline:none;appearance:none; -webkit-appearance:none}
input:-webkit-autofill{-webkit-box-shadow:0 0 0px 1000px #f5f5f5 inset}
i, em{font-style:normal;display:inline-block}
img, video{max-width:100%;height:auto;vertical-align:middle;}
.clearfix::after{content:"";display:table;clear:both}

/* ===== HEADER ===== */ 
.header{position:fixed;top:0;left:0;width:100%;z-index:100;background-color:#fff;border-top:4px solid #1f488a;box-shadow:0 2px 10px rgba(0, 0, 0, 0.08)}
.header-box{max-width:1600px;margin:0 auto;padding:10px 0px;display:flex;align-items:center;justify-content:space-between}
.header-logo{flex-shrink:0;display:flex;align-items:center}
.header-logo img{width:auto}
.header-nav{display:flex;align-items:center;justify-content:center;flex:1;max-width:900px;margin:0 auto;gap:5px}
.header-nav li{flex:1;max-width:90px;position:relative;}
.header-nav li:hover{background-color:rgba(31, 72, 138, 0.05)}
.header-nav li.active{background-color:rgba(31, 72, 138, 0.05)}
.header-nav li.active a{color:#1f488a;}
.header-nav li a{color:#333;text-decoration:none;font-size:16px;font-weight:500;text-align:center;line-height:80px;transition:color 0.2s, background-color 0.2s;white-space:nowrap;display: block;}
.header-nav li:hover a{color:#1f488a;}
.header-nav li:hover .sub-nav{display: block;}
.header-nav li .sub-nav{display: none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;width: 100%;}
.header-nav li .sub-nav a{line-height:40px;font-size: 14px;}
.header-phone{flex-shrink:0;display:flex;align-items:center;gap:8px;color:#1f488a;text-decoration:none;font-size:20px;font-weight:600;padding:5px 12px;border-radius:4px;transition:background-color 0.2s}
.header-phone:hover{background-color:rgba(31, 72, 138, 0.08)}
.header-phone img{flex-shrink:0;width:24px;height:24px;display:block;}
.mobile-menu-btn{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.mobile-menu-btn span{display:block;width:22px;height:2px;background:#333;border-radius:2px;transition:transform 0.3s, opacity 0.3s}
.mobile-menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);opacity:0;visibility:hidden;transition:opacity 0.3s;z-index:99}



/* ===== FOOTER ===== */
.footer{background:#245298;padding:56px 40px 32px;color:rgba(255, 255, 255, 0.55);}
.footer-box{max-width:1600px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand .name{font-size:16px;font-weight:800;color:#ffffff;margin-bottom:10px}
.footer-brand .tagline{font-size:13px;line-height:1.7;margin-bottom:20px}
.footer-col h4{font-size:14px;font-weight:700;color:#ffffff;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{font-size:13px;margin-bottom:9px}
.footer-col ul li a{font-size:13px;color:rgba(255, 255, 255, 0.50);text-decoration:none;transition:color 0.15s;}
.footer-col ul li a:hover{color:#5a95f5}
.footer-qrcode-list{display:flex;gap:16px}
.footer-qrcode-item{text-align:center}
.footer-qrcode-item img{width:90px;height:90px;border-radius:6px;background:#ffffff;padding:6px;margin-bottom:8px}
.footer-qrcode-item span{display:block;font-size:11px;color:rgba(255, 255, 255, 0.60)}
.footer-divider{border:none;border-top:1px solid rgba(255, 255, 255, 0.08);margin-bottom:24px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom a{color:rgba(255, 255, 255, 0.50)}
.footer-bottom p{font-size:12px}
.footer-icp a{font-size:12px;color:rgba(255, 255, 255, 0.40);text-decoration:none}
.footer-icp a:hover{color:#5a95f5}

/* ===== FLOATING ===== */
.float-actions{position:fixed;right:24px;bottom:32px;display:flex;flex-direction:column;gap:12px;z-index:50}
.float-btn{width:52px;height:52px;border-radius:50%;background:#1a56d6;color:#ffffff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(26, 86, 214, 0.4);transition:background 0.15s, transform 0.1s;text-decoration:none;font-size:22px}
.float-btn:hover{background:#1040a0;transform:scale(1.05)}
.float-btn.wechat{background:#07c160;box-shadow:0 4px 16px rgba(7, 193, 96, 0.40)}
.float-btn.wechat:hover{background:#06ab55}
.float-btn img{width:24px;height:24px;stroke:#ffffff;fill:none}

.page-header{background:linear-gradient(135deg, #1f488a 0%, #2a5fa8 100%);padding:164px 0 60px;text-align:center;position: relative;}
.page-header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.6}
.page-header-box h1{font-size:36px;font-weight:700;color:#fff;margin-bottom:12px}
.page-header-box p{font-size:16px;color:rgba(255, 255, 255, 0.8)}
.breadcrumb{background:#f8fafc;border-bottom:1px solid #eee;padding:12px 0}
.breadcrumb-box{max-width:1200px;margin:0 auto;padding:0;font-size:14px;color:#999}
.breadcrumb-box a{color:#666}
.breadcrumb-box a:hover{color:#1f488a}
.breadcrumb-box span{margin:0 8px}

.news-pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:30px}
.news-pagination a,.news-pagination b{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;color:#666;transition:all 0.2s}
.news-pagination a:hover{border-color:#1f488a;color:#1f488a}
.news-pagination b{background:#1f488a;border-color:#1f488a;color:#fff}
.news-pagination a b{padding: 0;background: none;border: none;}
.news-pagination .disabled{color:#ccc;cursor:not-allowed}

.sidebar-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0, 0, 0, 0.06)}
.sidebar-card-title{font-size:16px;font-weight:600;color:#333;padding-bottom:14px;border-bottom:2px solid #1f488a;margin-bottom:16px}
.sidebar-contact-card{text-align:center}
.contact-info-box{padding:10px 0 16px}
.contact-phone-big{font-size:26px;font-weight:700;color:#1f488a;margin-bottom:8px}
.contact-info-box p{font-size:13px;color:#999}
.contact-call-btn{display:block;background:#1f488a;color:#fff;text-align:center;padding:12px;border-radius:8px;font-size:15px;font-weight:600;transition:background 0.2s}
.contact-call-btn:hover{background:#2a5fa8}

/* ===== RESPONSIVE <960px ===== */
@media (max-width: 960px) {
  .header{height:64px}
  .header-box{height:64px;padding:0 10px}
  .header-logo img{height:44px}
  .header-nav{position:fixed;top:65px;left:0;width:200px;height:calc(100vh - 64px);max-width:none;gap:0;background:#fff;transform:translateX(-100%);transition:transform 0.3s ease;overflow-y:auto;box-shadow:2px 0 10px rgba(0,0,0,0.1);display:inline-block;}
  .header-nav.active{transform:translateX(0)}
  .header-nav li{max-width:none;position:static}
  .header-nav li a{line-height:50px;font-size:15px;text-align:left;padding:0 20px;border-bottom:1px solid #eee}
  .header-nav li:hover{background:none}
  .header-nav li:hover a{background:rgba(31, 72, 138, 0.05)}
  .header-nav li .sub-nav{position:static;transform:none;box-shadow:none;background:#f8f8f8}
  .header-nav li .sub-nav a{font-size:14px;padding-left:40px}
  .mobile-menu-btn{display:flex}
  .header-phone{display:none;}
  .nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);opacity:0;visibility:hidden;transition:opacity 0.3s;z-index:99}
  .nav-overlay.active{opacity:1;visibility:visible}
  .footer{padding: 30px;}
  .footer-top{grid-template-columns:1fr}
  .footer-top > div:nth-of-type(2){display: none;}
  .footer-bottom{flex-direction:column;text-align:center}
  .float-actions{right:16px;bottom:20px}
  .float-btn{width:46px;height:46px;font-size:18px}

  .breadcrumb{padding: 12px 3%;}

  .page-header {padding: 100px 0 40px;}
  .page-header-box h1 {font-size: 28px;}

}