/* ==========================================================
   中正通模具设计中心 · 极致CMS 新模板共享样式（zzt_new.css）
   由全站模板以 link 方式引入
   响应式设计：桌面端 1240px 栅格，移动端自适应堆叠
   ========================================================== */
*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --primary:#0091CC;
  --primary-dark:#007BAE;
  --primary-light:#E8F4FB;
  --primary-deep:#085D82;
  --orange:#FF7324;
  --orange-hover:#F26516;
  --text-dark:#1F2937;
  --text-gray:#4B5563;
  --text-light:#6B7280;
  --border:#E5EEF5;
  --bg-soft:#F3F9FD;
  --white:#fff;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,145,204,.08);
  --shadow-hover:0 20px 40px rgba(0,145,204,.14);
}
html{scroll-behavior:smooth;}
body{font-family:"Microsoft Yahei","PingFang SC","Hiragino Sans GB","Segoe UI",sans-serif;color:var(--text-gray);background:var(--white);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;}
button,input,select,textarea{font-family:inherit;}
a{text-decoration:none;color:inherit;transition:color .25s;}
img{display:block;max-width:100%;border:0;}
ul,ol{list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.clearfix::after{content:"";display:block;clear:both;}
.btn{display:inline-block;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:600;text-align:center;transition:all .25s;cursor:pointer;border:none;line-height:1.5;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,115,36,.3);}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-white{background:#fff;color:var(--primary);}
.btn-white:hover{background:var(--primary-light);transform:translateY(-2px);}
.btn-lg{padding:14px 34px;font-size:16px;border-radius:10px;}
.section{padding:80px 0;}
.section-bg{background:var(--bg-soft);}
.section-head{text-align:center;margin-bottom:50px;}
.section-eyebrow{display:inline-block;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:6px 16px;background:var(--primary-light);border-radius:999px;margin-bottom:12px;}
.section-title{font-size:32px;color:var(--text-dark);font-weight:700;margin-bottom:12px;letter-spacing:-.5px;}
.section-title::after{content:"";display:block;width:56px;height:3px;background:var(--primary);margin:14px auto 0;border-radius:2px;}
.section-subtitle{color:var(--text-light);font-size:15px;max-width:720px;margin:0 auto;line-height:1.8;}
.more-btn{display:block;text-align:center;margin-top:42px;}
.more-btn .btn{min-width:180px;}

/* ========== 顶部信息条 ========== */
.topbar{background:var(--primary-deep);color:rgba(255,255,255,.85);font-size:13px;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar a{color:rgba(255,255,255,.85);}
.topbar a:hover{color:#fff;}
.topbar .tb-right{display:flex;align-items:center;gap:18px;}
.topbar .tb-right .lang a{margin-left:8px;display:inline-flex;align-items:center;gap:4px;}
.topbar .tb-right .lang img{display:inline-block;width:20px;height:14px;border-radius:2px;vertical-align:-2px;}

/* ========== 主导航 ========== */
.site-header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,.97);box-shadow:0 2px 14px rgba(0,145,204,.08);backdrop-filter:blur(8px);}
.nav-wrap{display:flex;justify-content:space-between;align-items:center;height:74px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo img{height:44px;width:auto;}
.logo .logo-txt{font-size:20px;font-weight:700;color:var(--primary);line-height:1.2;}
.logo .logo-txt small{display:block;font-size:11px;font-weight:400;color:var(--text-light);letter-spacing:1px;}
.nav-list{display:flex;gap:6px;list-style:none;}
.nav-list>li{position:relative;}
.nav-list>li>a{display:block;padding:10px 16px;font-size:15px;color:var(--text-dark);font-weight:500;border-radius:8px;}
.nav-list>li>a:hover,.nav-list>li.hover>a,.nav-list>li.cur>a{color:var(--primary);background:var(--primary-light);}
.nav-list .subnav{position:absolute;top:100%;left:0;min-width:170px;background:#fff;border-radius:12px;box-shadow:0 16px 40px rgba(0,0,0,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s;z-index:50;}
.nav-list>li:hover .subnav{opacity:1;visibility:visible;transform:translateY(0);}
.nav-list .subnav a{display:block;padding:9px 14px;font-size:14px;color:var(--text-gray);border-radius:8px;}
.nav-list .subnav a:hover{color:var(--primary);background:var(--primary-light);}
.nav-cta{background:var(--orange);color:#fff;padding:10px 22px;border-radius:8px;font-weight:600;font-size:14px;transition:background .25s;}
.nav-cta:hover{background:var(--orange-hover);color:#fff;}
.nav-toggle{display:none;width:42px;height:42px;border:none;background:var(--primary-light);border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:all .3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* 移动端下拉菜单 */
.mobile-nav{display:none;position:fixed;top:74px;left:0;right:0;bottom:0;background:#fff;z-index:998;overflow-y:auto;padding:20px;box-shadow:0 20px 40px rgba(0,0,0,.1);}
.mobile-nav.open{display:block;}
.mobile-nav>a{display:block;padding:14px 8px;font-size:16px;color:var(--text-dark);font-weight:600;border-bottom:1px solid var(--bg-soft);}
.mobile-nav>a.cur{color:var(--primary);}
.mobile-nav .sub{display:flex;flex-wrap:wrap;gap:10px;padding:12px 8px 14px;}
.mobile-nav .sub a{padding:7px 14px;font-size:14px;color:var(--text-gray);background:var(--bg-soft);border-radius:999px;}
.mobile-nav .mobile-cta{display:block;margin-top:24px;text-align:center;}
.mobile-nav .mobile-cta .btn{width:100%;}
.m-search{display:flex;gap:8px;margin-bottom:16px;padding:10px 12px;background:var(--bg-soft);border-radius:12px;}
.m-search input{flex:1;min-width:0;border:none;background:transparent;outline:none;font-size:14px;color:var(--text-dark);font-family:inherit;}
.m-search button{border:none;background:var(--primary);color:#fff;width:38px;height:38px;border-radius:10px;cursor:pointer;font-size:15px;flex-shrink:0;}

/* ========== 首页首屏 ========== */
.hero{position:relative;height:560px;overflow:hidden;background:var(--primary-deep);}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .8s ease;z-index:1;}
.hero-slide.active{opacity:1;z-index:2;}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,42,64,.86) 0%,rgba(6,42,64,.55) 45%,rgba(6,42,64,.15) 100%);}
.hero-wrap{position:relative;z-index:5;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(0,145,204,.35);border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:999px;font-size:14px;font-weight:600;margin-bottom:20px;backdrop-filter:blur(4px);}
.hero-eyebrow .dot{width:7px;height:7px;background:var(--orange);border-radius:50%;}
.hero-title{font-size:46px;line-height:1.25;font-weight:800;margin-bottom:18px;letter-spacing:-.5px;text-shadow:0 2px 12px rgba(0,0,0,.2);}
.hero-title .hl{color:#37C3F5;}
.hero-desc{font-size:17px;line-height:1.9;max-width:560px;margin-bottom:32px;color:rgba(255,255,255,.92);}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.hero-nav{position:absolute;z-index:6;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .25s;backdrop-filter:blur(4px);}
.hero-nav:hover{background:var(--orange);border-color:var(--orange);}
.hero-nav.prev{left:24px;}
.hero-nav.next{right:24px;}
.hero-dots{position:absolute;z-index:6;bottom:24px;left:0;right:0;display:flex;justify-content:center;gap:8px;}
.hero-dots span{width:26px;height:5px;border-radius:3px;background:rgba(255,255,255,.35);cursor:pointer;transition:all .3s;}
.hero-dots span.active{background:var(--orange);width:36px;}

/* ========== 搜索条 ========== */
.search-strip{position:relative;z-index:8;margin-top:-36px;}
.search-box{background:#fff;border-radius:16px;box-shadow:0 16px 40px rgba(0,145,204,.14);padding:22px 26px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.search-box .sb-title{font-size:18px;font-weight:700;color:var(--text-dark);white-space:nowrap;}
.search-box .sb-title em{display:block;font-style:normal;font-size:12px;color:var(--text-light);font-weight:400;margin-top:2px;}
.search-form{flex:1;min-width:240px;display:flex;}
.search-form input[type=text]{flex:1;height:46px;border:2px solid var(--border);border-right:none;border-radius:10px 0 0 10px;padding:0 16px;font-size:14px;color:var(--text-dark);outline:none;transition:border-color .25s;}
.search-form input[type=text]:focus{border-color:var(--primary);}
.search-form button{height:46px;padding:0 26px;border:none;border-radius:0 10px 10px 0;background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .25s;}
.search-form button:hover{background:var(--primary-dark);}
.search-hot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-light);}
.search-hot a{color:var(--primary);background:var(--primary-light);padding:5px 12px;border-radius:999px;transition:all .25s;}
.search-hot a:hover{background:var(--primary);color:#fff;}
.search-tel{display:flex;align-items:center;gap:12px;border-left:1px solid var(--border);padding-left:22px;}
.search-tel i{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--orange),#FF9A5A);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.search-tel .tel-txt{font-size:13px;color:var(--text-light);line-height:1.4;}
.search-tel .tel-txt b{display:block;font-size:18px;color:var(--primary-dark);font-weight:800;letter-spacing:.5px;}

/* ========== 痛点卡片 ========== */
.pain-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.pain-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px 18px;text-align:center;transition:all .3s;height:100%;}
.pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.pain-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary);font-size:16px;font-weight:800;margin-bottom:14px;}
.pain-title{font-size:15px;color:var(--text-dark);font-weight:700;margin-bottom:8px;}
.pain-text{font-size:13px;color:var(--text-light);line-height:1.7;}

/* ========== 服务卡片 ========== */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.service-card{background:#fff;border-radius:16px;padding:30px 26px;border-top:4px solid var(--primary);box-shadow:var(--shadow);transition:all .3s;height:100%;display:flex;flex-direction:column;}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.service-icon{width:60px;height:60px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#33AEE6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:20px;flex-shrink:0;}
.service-title{font-size:19px;color:var(--text-dark);font-weight:700;margin-bottom:12px;}
.service-text{color:var(--text-gray);line-height:1.75;font-size:14px;flex-grow:1;}
.service-note{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);font-size:13px;color:var(--text-light);}

/* ========== 优势卡片 ========== */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.adv-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:32px 30px;display:flex;gap:20px;transition:all .3s;}
.adv-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:var(--primary);}
.adv-ico{width:64px;height:64px;border-radius:16px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0;}
.adv-card:nth-child(2n) .adv-ico{background:#FFF1E6;color:var(--orange);}
.adv-body h3{font-size:20px;color:var(--text-dark);margin-bottom:10px;}
.adv-body p{font-size:14px;color:var(--text-light);line-height:1.75;margin-bottom:14px;}
.adv-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text-gray);margin-bottom:8px;}
.adv-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--primary);border-radius:50%;}

/* ========== 数据卡片 ========== */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.data-card{background:#fff;border-radius:16px;padding:34px 24px;text-align:center;border:1px solid var(--border);transition:all .3s;}
.data-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.data-num{font-size:40px;font-weight:800;color:var(--primary);margin-bottom:8px;letter-spacing:-1px;}
.data-label{color:var(--text-gray);font-size:15px;}

/* ========== 流程卡片 ========== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:all .3s;height:100%;display:flex;flex-direction:column;}
.flow-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.flow-img{height:150px;overflow:hidden;background:var(--primary-light);display:flex;align-items:center;justify-content:center;position:relative;}
.flow-img img{width:auto;height:auto;max-width:76%;max-height:76%;object-fit:contain;}
.flow-body{padding:22px;flex-grow:1;display:flex;flex-direction:column;}
.flow-step{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--primary);color:#fff;border-radius:10px;font-weight:800;margin-bottom:12px;}
.flow-title{font-size:17px;color:var(--text-dark);font-weight:700;margin-bottom:8px;}
.flow-text{color:var(--text-light);line-height:1.75;font-size:13px;}

/* ========== 案例卡片 ========== */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.case-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:all .3s;height:100%;display:flex;flex-direction:column;}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.case-img{height:200px;overflow:hidden;position:relative;}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.case-card:hover .case-img img{transform:scale(1.06);}
.case-tag{position:absolute;left:14px;top:14px;background:rgba(0,145,204,.92);color:#fff;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;}
.case-body{padding:20px;flex-grow:1;display:flex;flex-direction:column;}
.case-title{font-size:16px;color:var(--text-dark);font-weight:700;margin-bottom:8px;line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.case-text{color:var(--text-light);font-size:13px;line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.case-date{margin-top:auto;padding-top:10px;font-size:12px;color:var(--text-light);}
/* 案例分类标签 */
.cate-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.cate-tabs a{padding:8px 20px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--text-gray);font-size:14px;transition:all .25s;}
.cate-tabs a:hover,.cate-tabs a.cur{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ========== 设计标准卡片 ========== */
.std-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.std-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:all .3s;display:flex;align-items:center;gap:16px;padding:18px 20px;height:100%;}
.std-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.std-img{width:96px;height:64px;border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--border);flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.std-img img{width:100%;height:100%;object-fit:contain;}
.std-body h3{font-size:16px;color:var(--text-dark);font-weight:700;margin-bottom:4px;}
.std-body p{font-size:13px;color:var(--text-light);line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}

/* ========== 合作保障 ========== */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.guarantee-card{background:#fff;border-radius:16px;padding:30px 24px;text-align:center;border:1px solid var(--border);transition:all .3s;height:100%;}
.guarantee-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.guarantee-icon{width:66px;height:66px;margin:0 auto 18px;background:linear-gradient(135deg,var(--primary-light),#D1ECFA);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--primary);}
.guarantee-title{font-size:18px;color:var(--text-dark);font-weight:700;margin-bottom:10px;}
.guarantee-text{color:var(--text-light);line-height:1.75;font-size:14px;}

/* ========== 关于我们 ========== */
.about-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center;}
.about-img{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 60px rgba(0,123,174,.2);}
.about-img img{width:100%;height:420px;object-fit:cover;}
.about-img .about-badge{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);color:var(--text-dark);padding:10px 16px;border-radius:10px;font-size:13px;font-weight:700;box-shadow:0 10px 24px rgba(0,0,0,.12);}
.about-body .ab-label{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:6px 14px;border-radius:6px;font-size:13px;font-weight:700;margin-bottom:16px;}
.about-body h2{font-size:30px;color:var(--text-dark);margin-bottom:16px;line-height:1.35;}
.about-body .ab-text{color:var(--text-gray);line-height:1.9;font-size:15px;margin-bottom:22px;}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px;}
.about-points li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-dark);}
.about-points li i{width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}

/* ========== 新闻区块 ========== */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.news-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:all .3s;height:100%;display:flex;flex-direction:column;}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.news-img{height:150px;overflow:hidden;position:relative;}
.news-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.news-card:hover .news-img img{transform:scale(1.06);}
.news-img .news-date{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.95);border-radius:10px;padding:6px 12px;text-align:center;line-height:1.2;box-shadow:0 6px 16px rgba(0,0,0,.12);}
.news-img .news-date b{display:block;font-size:18px;color:var(--primary);font-weight:800;}
.news-img .news-date span{font-size:11px;color:var(--text-light);}
.news-body{padding:20px;flex-grow:1;display:flex;flex-direction:column;}
.news-title{font-size:16px;color:var(--text-dark);font-weight:700;line-height:1.5;margin-bottom:8px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-title:hover{color:var(--primary);}
.news-desc{font-size:13px;color:var(--text-light);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-more{margin-top:auto;padding-top:12px;font-size:13px;color:var(--primary);font-weight:600;}

/* ========== CTA 区块 ========== */
.cta-section{position:relative;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);color:#fff;padding:72px 0;overflow:hidden;}
.cta-section::before{content:"";position:absolute;right:-160px;top:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 70%);}
.cta-section::after{content:"";position:absolute;left:-120px;bottom:-140px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,115,36,.22),rgba(255,115,36,0) 70%);}
.cta-wrap{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;}
.cta-left h2{font-size:30px;margin-bottom:14px;}
.cta-left p{font-size:16px;opacity:.92;line-height:1.8;max-width:640px;}
.cta-tel{display:flex;align-items:center;gap:16px;margin-top:26px;}
.cta-tel .cta-tel-ico{width:56px;height:56px;border-radius:14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-size:24px;}
.cta-tel .cta-tel-txt{font-size:13px;opacity:.85;line-height:1.5;}
.cta-tel .cta-tel-txt b{display:block;font-size:24px;font-weight:800;color:#fff;letter-spacing:1px;}
.cta-right{display:flex;flex-direction:column;gap:14px;min-width:260px;}

/* ========== 页脚 ========== */
.footer{background:#10242F;color:#A9BCC7;font-size:14px;}
.footer-main{padding:56px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-title{color:#fff;font-size:17px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:12px;}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--orange);}
.footer-about .flogo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about .flogo img{height:40px;}
.footer-about .flogo b{font-size:18px;color:#fff;}
.footer-about p{line-height:1.9;margin-bottom:10px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{color:#A9BCC7;}
.footer-list a:hover{color:var(--primary);}
.footer-contact p{line-height:2;margin-bottom:4px;}
.footer-contact a{color:var(--primary);}
.footer-qr{display:flex;align-items:center;gap:16px;}
.footer-qr img{width:110px;height:110px;border-radius:12px;background:#fff;padding:6px;}
.footer-qr p{font-size:13px;line-height:1.8;color:#A9BCC7;}
.footer-links-row{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;font-size:13px;color:#7E96A5;}
.footer-links-row a{color:#7E96A5;margin-right:14px;}
.footer-links-row a:hover{color:var(--primary);}
.footer-copyright{background:rgba(0,0,0,.22);padding:18px 0;font-size:13px;color:#7E96A5;text-align:center;line-height:1.9;}
.footer-copyright a{color:#7E96A5;}
.footer-copyright a:hover{color:var(--primary);}
.footer-copyright .fc-inner{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 16px;}

/* ========== 浮动客服 ========== */
.toolbar{position:fixed;right:16px;bottom:120px;z-index:900;display:flex;flex-direction:column;gap:10px;}
.toolbar a,.toolbar .tb-item{width:48px;height:48px;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.12);color:var(--primary);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:17px;cursor:pointer;position:relative;transition:all .25s;border:none;text-decoration:none;font-family:inherit;}
.toolbar button.tb-item{background:#fff;color:var(--primary);}
.toolbar a:hover,.toolbar .tb-item:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.toolbar button.tb-item:hover{background:var(--primary);color:#fff;}
.toolbar .tb-item small{font-size:10px;line-height:1;font-weight:400;}
.toolbar .tb-item .tb-box{position:absolute;right:58px;top:50%;transform:translateY(-50%) scale(.9);width:150px;background:#fff;border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.15);padding:12px;opacity:0;visibility:hidden;transition:all .25s;color:var(--text-gray);font-size:13px;text-align:center;}
.toolbar .tb-item:hover .tb-box{opacity:1;visibility:visible;transform:translateY(-50%) scale(1);}
.toolbar .tb-box img{width:120px;height:120px;margin:0 auto 8px;border-radius:8px;}
.toolbar .tb-top{display:none;}

/* ========== 移动端底部导航 ========== */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:950;background:#fff;box-shadow:0 -4px 16px rgba(0,0,0,.08);}
.mobile-bar .mb-grid{display:grid;grid-template-columns:repeat(5,1fr);}
.mobile-bar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 0 8px;font-size:11px;color:var(--text-light);}
.mobile-bar a i{font-size:18px;}
.mobile-bar a.cur{color:var(--primary);}
.mobile-bar a .mb-tel{background:var(--orange);color:#fff;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;margin-top:-18px;box-shadow:0 6px 16px rgba(255,115,36,.4);}

/* ========== 内页横幅 ========== */
.page-banner{background:linear-gradient(135deg,var(--primary-deep) 0%,var(--primary) 60%,#33AEE6 100%);color:#fff;padding:52px 0 44px;position:relative;overflow:hidden;}
.page-banner::before{content:"";position:absolute;right:-100px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.12),rgba(255,255,255,0) 70%);}
.page-banner::after{content:"";position:absolute;left:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,115,36,.15),rgba(255,115,36,0) 70%);}
.page-banner .container{position:relative;z-index:2;}
.page-banner h1{font-size:32px;font-weight:800;margin-bottom:8px;}
.page-banner .pb-sub{font-size:15px;opacity:.9;}
.page-banner .pb-crumb{margin-top:16px;font-size:13px;opacity:.85;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.page-banner .pb-crumb a:hover{color:#fff;opacity:1;}
.page-banner .pb-crumb i{font-size:10px;opacity:.6;}

/* ========== 内页布局 ========== */
.page-main{padding:40px 0 70px;}
.layout2{display:grid;grid-template-columns:280px 1fr;gap:34px;align-items:start;}
.content-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:30px;min-height:400px;}
.crumb-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-soft);border-radius:10px;margin-bottom:22px;font-size:13px;color:var(--text-light);}
.crumb-bar h3{font-size:16px;color:var(--text-dark);font-weight:700;}
.crumb-bar .sitepath i{margin:0 6px;font-size:10px;}

/* ========== 侧边栏 ========== */
.side-box{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;margin-bottom:22px;}
.side-title{background:linear-gradient(135deg,var(--primary),#33AEE6);color:#fff;padding:15px 20px;font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;}
.side-title i{font-size:15px;}
.side-list li{border-bottom:1px solid var(--bg-soft);}
.side-list li:last-child{border-bottom:none;}
.side-list a{display:block;padding:12px 20px;font-size:14px;color:var(--text-gray);position:relative;}
.side-list a::before{content:"";position:absolute;left:20px;top:0;width:0;height:2px;background:var(--orange);transition:width .25s;}
.side-list a:hover,.side-list a.cur{color:var(--primary);background:var(--bg-soft);padding-left:26px;}
.side-list a.cur::before,.side-list a:hover::before{width:26px;}
.side-pro{padding:6px 16px 16px;}
.side-pro a{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px dashed var(--border);}
.side-pro a:last-child{border-bottom:none;}
.side-pro img{width:72px;height:54px;object-fit:cover;border-radius:8px;flex-shrink:0;}
.side-pro h4{font-size:13px;color:var(--text-dark);line-height:1.5;font-weight:600;}
.side-pro h4:hover{color:var(--primary);}
.side-contact{padding:20px;}
.side-contact p{font-size:14px;color:var(--text-gray);line-height:2;}
.side-contact .sc-tel{font-size:22px;font-weight:800;color:var(--primary-dark);}
.side-contact a.btn{width:100%;margin-top:12px;}
.side-contact .sc-qr{margin-top:14px;text-align:center;}
.side-contact .sc-qr img{width:110px;height:110px;border:1px solid var(--border);border-radius:10px;padding:4px;margin:0 auto 6px;}
.side-contact .sc-qr p{font-size:12px;color:var(--text-light);}

/* ========== 文章列表 ========== */
.article-list .item{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--border);transition:all .3s;}
.article-list .item:hover{transform:translateX(6px);}
.article-list .item:last-child{border-bottom:none;}
.article-list .item img{width:220px;height:150px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.article-list .item .txt{flex:1;display:flex;flex-direction:column;}
.article-list .item .txt h3{font-size:18px;color:var(--text-dark);font-weight:700;margin-bottom:10px;line-height:1.5;}
.article-list .item .txt h3:hover{color:var(--primary);}
.article-list .item .txt p{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:14px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.article-list .item .meta{margin-top:auto;display:flex;align-items:center;gap:18px;font-size:13px;color:var(--text-light);}
.article-list .item .meta i{margin-right:4px;color:var(--primary);}

/* ========== 产品/案例列表 ========== */
.pro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.pro-card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:all .3s;height:100%;display:flex;flex-direction:column;}
.pro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.pro-card .p-img{height:190px;overflow:hidden;position:relative;}
.pro-card .p-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.pro-card:hover .p-img img{transform:scale(1.06);}
.pro-card .p-img .p-tag{position:absolute;left:12px;top:12px;background:rgba(0,145,204,.9);color:#fff;font-size:12px;padding:4px 10px;border-radius:999px;}
.pro-card .p-body{padding:18px 20px;flex-grow:1;display:flex;flex-direction:column;}
.pro-card .p-body h3{font-size:16px;color:var(--text-dark);font-weight:700;line-height:1.5;margin-bottom:8px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.pro-card .p-body h3:hover{color:var(--primary);}
.pro-card .p-body p{font-size:13px;color:var(--text-light);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.pro-card .p-body .p-date{margin-top:auto;padding-top:12px;font-size:12px;color:var(--text-light);}

/* ========== 分页 ========== */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:36px;flex-wrap:wrap;}
.pagination a,.pagination span{min-width:38px;height:38px;padding:0 12px;border-radius:10px;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-gray);background:#fff;transition:all .25s;}
.pagination a:hover{border-color:var(--primary);color:var(--primary);}
.pagination span.cur{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700;}
.pagination .pg-remark{color:var(--text-light);font-size:13px;margin-left:10px;}

/* ========== 详情页：文章 ========== */
.detail-head h1{font-size:26px;color:var(--text-dark);font-weight:800;line-height:1.45;margin-bottom:16px;}
.detail-meta{display:flex;flex-wrap:wrap;gap:18px;padding:14px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);font-size:13px;color:var(--text-light);margin-bottom:24px;}
.detail-meta i{margin-right:5px;color:var(--primary);}
.detail-body{line-height:2;font-size:15px;color:var(--text-gray);word-break:break-word;}
.detail-body p{margin-bottom:18px;}
.detail-body img{max-width:100%;height:auto;border-radius:10px;margin:16px auto;display:block;}
.detail-body h2,.detail-body h3,.detail-body h4{color:var(--text-dark);margin:24px 0 12px;line-height:1.5;}
.detail-body table{width:100%;border-collapse:collapse;margin:16px 0;}
.detail-body table td,.detail-body table th{border:1px solid var(--border);padding:10px 12px;font-size:14px;}
.detail-body ul,.detail-body ol{padding-left:22px;margin-bottom:18px;}
.detail-body li{margin-bottom:6px;}
.detail-body a{color:var(--primary);}
.detail-tags{margin-top:26px;padding-top:18px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-light);}
.detail-tags a{color:var(--primary);background:var(--primary-light);padding:5px 12px;border-radius:999px;}
.prevnext{display:flex;justify-content:space-between;gap:20px;margin-top:30px;padding-top:20px;border-top:1px solid var(--border);font-size:14px;flex-wrap:wrap;}
.prevnext a{color:var(--text-gray);max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.prevnext a:hover{color:var(--primary);}
.rel-box{margin-top:30px;}
.rel-title{font-size:17px;color:var(--text-dark);font-weight:700;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--primary);}
.rel-list li{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px dashed var(--border);font-size:14px;gap:16px;}
.rel-list li a{color:var(--text-gray);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rel-list li a:hover{color:var(--primary);}
.rel-list li span{color:var(--text-light);font-size:12px;flex-shrink:0;}

/* ========== 详情页：产品/案例 ========== */
.prodetail{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;margin-bottom:34px;}
.prodetail .pd-gallery .pd-main{height:420px;border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#FBFDFE;}
.prodetail .pd-gallery .pd-main img{max-height:100%;width:100%;object-fit:contain;cursor:zoom-in;}
.prodetail .pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap;}
.prodetail .pd-thumbs a{width:78px;height:58px;border:2px solid var(--border);border-radius:8px;overflow:hidden;}
.prodetail .pd-thumbs a.cur,.prodetail .pd-thumbs a:hover{border-color:var(--primary);}
.prodetail .pd-thumbs img{width:100%;height:100%;object-fit:cover;}
.pd-info h1{font-size:24px;color:var(--text-dark);font-weight:800;line-height:1.45;margin-bottom:14px;}
.pd-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-light);padding:12px 0;border-top:1px dashed var(--border);border-bottom:1px dashed var(--border);margin-bottom:16px;}
.pd-meta i{margin-right:5px;color:var(--primary);}
.pd-summary{background:var(--bg-soft);border-radius:12px;padding:16px 18px;font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:20px;border-left:4px solid var(--primary);}
.pd-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.pd-actions .pd-qr{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:12px;padding:8px 14px;cursor:pointer;}
.pd-actions .pd-qr img{width:46px;height:46px;border-radius:6px;}
.pd-actions .pd-qr span{font-size:13px;color:var(--text-gray);}
.pd-actions .pd-qr:hover{border-color:var(--primary);}
.pd-tel{font-size:22px;font-weight:800;color:var(--primary-dark);}
.pd-tel small{display:block;font-size:12px;color:var(--text-light);font-weight:400;}
.pd-section-title{font-size:19px;color:var(--text-dark);font-weight:700;margin:32px 0 18px;padding-left:14px;border-left:4px solid var(--orange);}

/* ========== 搜索页 ========== */
.search-note{background:var(--bg-soft);border-radius:12px;padding:14px 18px;font-size:14px;color:var(--text-gray);margin-bottom:22px;}
.search-note b{color:var(--primary);}
.nodata{text-align:center;color:var(--text-light);padding:60px 0;font-size:15px;}

/* ========== 留言表单 ========== */
.msg-form .mf-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px;}
.msg-form .mf-item label{display:block;font-size:14px;color:var(--text-dark);font-weight:600;margin-bottom:8px;}
.msg-form .mf-item label .red{color:#E5484D;}
.msg-form .mf-item input,.msg-form .mf-item textarea{width:100%;border:2px solid var(--border);border-radius:10px;padding:12px 16px;font-size:14px;color:var(--text-dark);outline:none;transition:border-color .25s;font-family:inherit;background:#fff;}
.msg-form .mf-item input:focus,.msg-form .mf-item textarea:focus{border-color:var(--primary);}
.msg-form .mf-item textarea{height:140px;resize:vertical;}
.msg-form .mf-full{grid-column:1/-1;}
.msg-form .mf-vercode{display:flex;gap:14px;align-items:flex-start;}
.msg-form .mf-vercode img{height:46px;border-radius:10px;cursor:pointer;border:1px solid var(--border);}
.msg-form .mf-submit{padding:14px 48px;}

/* ========== 404 ========== */
.error-wrap{text-align:center;padding:90px 20px;}
.error-code{font-size:110px;font-weight:900;color:var(--primary);line-height:1;letter-spacing:4px;text-shadow:4px 4px 0 var(--primary-light);}
.error-title{font-size:26px;color:var(--text-dark);font-weight:700;margin:20px 0 12px;}
.error-text{color:var(--text-light);font-size:15px;margin-bottom:30px;}
.error-links{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ========== 响应式 ========== */
@media (max-width:1400px){
  /* 搜索条：关键词与咨询热线独立成行，避免与搜索按钮挤在一起 */
  .search-box{gap:14px 18px;}
  .search-hot{order:10;width:100%;padding-left:0;}
  .search-tel{order:11;width:100%;border-left:none;padding-left:0;border-top:1px solid var(--border);padding-top:12px;}
}
@media (max-width:1200px){
  .pain-grid{grid-template-columns:repeat(3,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .std-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .topbar .container{height:auto;padding:6px 20px;flex-direction:column;gap:4px;}
  .nav-toggle{display:flex;}
  .nav-list{display:none;}
  .nav-cta{display:none;}
  .search-strip{display:none;}
  .hero{height:460px;}
  .hero-title{font-size:34px;}
  .hero-desc{font-size:15px;}
  .search-box{flex-direction:column;align-items:stretch;gap:14px;}
  .search-tel{border-left:none;padding-left:0;border-top:1px solid var(--border);padding-top:14px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .service-grid,.data-grid,.flow-grid,.case-grid,.guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:1fr;}
  .about-wrap{grid-template-columns:1fr;gap:34px;}
  .about-img img{height:300px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-wrap{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .toolbar{display:none;}
  .mobile-bar{display:block;}
  body{padding-bottom:74px;}
  .layout2{grid-template-columns:1fr;}
  .pro-grid{grid-template-columns:repeat(2,1fr);}
  .prodetail{grid-template-columns:1fr;}
  .prodetail .pd-gallery .pd-main{height:320px;}
  .article-list .item img{width:170px;height:120px;}
}
@media (max-width:576px){
  .topbar{display:none;}
  .section{padding:40px 0;}
  .section-head{margin-bottom:28px;}
  .section-title{font-size:22px;}
  .section-subtitle{font-size:14px;}
  .hero{height:320px;}
  .hero-title{font-size:26px;}
  .hero-desc{font-size:14px;line-height:1.8;}
  .hero-nav{display:none;}
  .pain-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .pain-card{padding:18px 12px;}
  .service-grid,.data-grid,.flow-grid,.case-grid,.guarantee-grid,.news-grid,.std-grid{grid-template-columns:1fr;}
  .adv-card{flex-direction:column;padding:24px 20px;}
  .data-num{font-size:32px;}
  .about-points{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .page-banner{padding:36px 0 30px;}
  .page-banner h1{font-size:24px;}
  .page-main{padding:24px 0 60px;}
  .content-box{padding:20px 16px;}
  .crumb-bar{flex-direction:column;align-items:flex-start;gap:6px;}
  .pro-grid{grid-template-columns:1fr;}
  .pro-card .p-img{height:200px;}
  .article-list .item{flex-direction:column;gap:12px;}
  .article-list .item img{width:100%;height:180px;}
  .detail-head h1{font-size:21px;}
  .pd-info h1{font-size:20px;}
  .msg-form .mf-row{grid-template-columns:1fr;}
  .prevnext{flex-direction:column;}
  .prevnext a{max-width:100%;}
  .error-code{font-size:80px;}
  .footer-copyright .fc-inner{flex-direction:column;}
}

/* ========== 联系页 ========== */
.contact-form{background:#fff;border:1px solid var(--border);border-radius:16px;padding:26px 24px;margin-bottom:22px;}
.contact-form .cf-title{font-size:18px;font-weight:700;color:var(--text-dark);display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.contact-form .cf-title i{color:var(--primary);}
.contact-form .cf-desc{font-size:13px;color:var(--text-light);line-height:1.7;margin-bottom:20px;}
.cf-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.cf-item label{display:block;font-size:13px;color:var(--text-gray);font-weight:600;margin-bottom:6px;}
.cf-item label em{color:#d94f4f;font-style:normal;}
.cf-item input[type="text"],.cf-item textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;color:var(--text-dark);background:#fff;transition:border-color .2s;}
.cf-item input:focus,.cf-item textarea:focus{border-color:var(--primary);outline:none;}
.cf-item textarea{height:110px;resize:vertical;}
.cf-full{grid-column:1/-1;}
.cf-ver{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;}
.cf-ver label{width:100%;}
.cf-ver input{flex:1;min-width:140px;}
.cf-ver img{width:108px;height:40px;border:1px solid var(--border);border-radius:8px;cursor:pointer;object-fit:cover;}
.cf-grid .btn{padding:11px 34px;font-size:14px;}
@media (max-width:600px){
  .cf-grid{grid-template-columns:1fr;}
  .contact-form{padding:20px 16px;}
}