/* ===== 新和科技营销网站 - 共享样式 ===== */
/* Reset & Base */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;line-height:1.7;color:#2c3e50;background:#fff;overflow-x:hidden}

/* CSS Variables */
:root{
  --primary:#1a5276;
  --primary-light:#2e86c1;
  --primary-dark:#154360;
  --accent:#e74c3c;
  --accent-light:#ec7063;
  --bg-light:#f8f9fa;
  --bg-blue:#eaf2fb;
  --text-dark:#2c3e50;
  --text-gray:#7f8c8d;
  --text-light:#bdc3c7;
  --white:#fff;
  --shadow:0 2px 20px rgba(26,82,118,.08);
  --shadow-hover:0 4px 30px rgba(26,82,118,.15);
  --radius:8px;
  --radius-lg:16px;
  --max-width:1200px;
  --transition:all .3s ease;
}

/* Container */
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* ===== Header / Nav ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:0 1px 10px rgba(0,0,0,.06);transition:var(--transition)}
.header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.1)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo .logo-text{font-size:20px;font-weight:700;color:var(--primary)}
.nav-logo .logo-sub{font-size:12px;color:var(--text-gray)}
.nav-menu{display:flex;align-items:center;gap:8px;list-style:none}
.nav-menu a{text-decoration:none;color:var(--text-dark);font-size:14px;padding:8px 14px;border-radius:6px;transition:var(--transition);position:relative}
.nav-menu a:hover{color:var(--primary);background:var(--bg-blue)}
.nav-menu a.active{color:var(--primary);font-weight:600}
.nav-cta{background:var(--primary);color:#fff!important;padding:10px 24px!important;border-radius:30px;font-weight:500}
.nav-cta:hover{background:var(--primary-dark);color:#fff!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none}
.nav-toggle span{width:25px;height:3px;background:var(--primary);border-radius:2px;transition:var(--transition)}

/* ===== Hero Section ===== */
.hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;padding:120px 0 80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.05) 0%,transparent 70%);border-radius:50%}
.hero-content{position:relative;z-index:2;max-width:720px}
.hero h1{font-size:42px;line-height:1.4;margin-bottom:20px;font-weight:700}
.hero h1 .highlight{color:#f1c40f}
.hero p{font-size:18px;line-height:1.8;opacity:.9;margin-bottom:30px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:30px;font-size:16px;font-weight:500;text-decoration:none;transition:var(--transition);border:none;cursor:pointer}
.btn-primary{background:#fff;color:var(--primary)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-light);transform:translateY(-2px)}
.hero-stats{display:flex;gap:40px;margin-top:50px}
.hero-stats .stat{text-align:left}
.hero-stats .stat-num{font-size:36px;font-weight:700;color:#f1c40f}
.hero-stats .stat-label{font-size:14px;opacity:.8}

/* ===== Page Banner (for subpages) ===== */
.page-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;padding:100px 0 60px;text-align:center}
.page-banner h1{font-size:36px;font-weight:700;margin-bottom:12px}
.page-banner p{font-size:16px;opacity:.85;max-width:640px;margin:0 auto}

/* ===== Sections ===== */
.section{padding:70px 0}
.section-gray{background:var(--bg-light)}
.section-blue{background:var(--bg-blue)}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:30px;color:var(--primary);font-weight:700;margin-bottom:12px}
.section-title p{font-size:16px;color:var(--text-gray);max-width:600px;margin:0 auto}

/* ===== SVG Icons ===== */
svg{width:1em;height:1em;vertical-align:middle}
.product-icon svg,.product-card .icon svg,.card-icon svg,.feature-icon svg,.feature-highlight-card .fh-icon svg,.integration-list li .il-icon svg,.contact-card .icon svg,.industry-card .icon svg{width:28px;height:28px}
.industry-card .icon svg{width:32px;height:32px}
.site-header .logo-icon svg,.site-footer .footer-logo .logo-icon svg{width:32px;height:32px;flex-shrink:0}
.logo-img{width:auto;height:40px;max-width:48px;flex-shrink:0;vertical-align:middle;object-fit:contain}
.site-footer .footer-logo .logo-img{width:auto;height:36px;max-width:44px}

/* Icon container - tech gradient style */
.product-icon,.product-card .icon,.card-icon,.feature-highlight-card .fh-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--bg-blue) 0%,#fff 100%);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary);border:1px solid rgba(26,82,118,.08)}
.product-icon:hover,.card-icon:hover{box-shadow:0 4px 14px rgba(26,82,118,.1)}
.integration-list li .il-icon{color:var(--primary)}
.contact-card .icon{color:var(--primary)}
.industry-card .icon{color:var(--primary)}

/* Feature icon - solid square, more subtle */
.feature-item .feature-icon{flex-shrink:0;width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;display:flex;align-items:center;justify-content:center}
.feature-item .feature-icon svg{width:20px;height:20px}

/* Hero gradient - more tech feel */
.hero{background:linear-gradient(135deg,#0d2c44 0%,var(--primary) 50%,var(--primary-light) 100%);position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent)}
.page-banner{background:linear-gradient(135deg,#0d2c44 0%,var(--primary) 50%,var(--primary-light) 100%);position:relative;overflow:hidden}
.cta-section{background:linear-gradient(135deg,#0d2c44 0%,var(--primary) 100%)}

/* Footer darker */
.site-footer{background:#0a1929}
.footer{background:#0a1929}

/* Cards - cleaner, more minimal */
.product-card,.service-card,.feature-card,.advantage-item,.scope-card{border:1px solid #eef2f5;box-shadow:0 1px 3px rgba(0,0,0,.04);transition:all .3s ease}
.product-card:hover,.service-card:hover,.feature-card:hover,.advantage-item:hover,.scope-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(26,82,118,.08);border-color:rgba(46,134,193,.2)}
.industry-card{border:1px solid #eef2f5;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.industry-card:hover{box-shadow:0 8px 24px rgba(26,82,118,.08);border-color:rgba(46,134,193,.2)}
.product-card{background:#fff;border-radius:var(--radius-lg);padding:36px 28px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid #f0f0f0}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.product-card .icon{width:56px;height:56px;border-radius:14px;background:var(--bg-blue);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:20px}
.product-card h3{font-size:18px;color:var(--primary);font-weight:600;margin-bottom:10px}
.product-card p{font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:16px}
.product-card .card-link{color:var(--primary-light);font-size:14px;text-decoration:none;font-weight:500}
.product-card .card-link:hover{color:var(--primary)}
.product-card .tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:500;margin-bottom:12px}
.tag-hot{background:#fdedec;color:var(--accent)}
.tag-new{background:#e8f8f5;color:#1abc9c}
.tag-rec{background:var(--bg-blue);color:var(--primary)}

/* Product card as anchor (link card) */
a.product-card{display:block;text-decoration:none;color:inherit}
a.product-card:hover{color:inherit}
a.product-card .product-link{color:var(--primary-light);font-size:14px;text-decoration:none;font-weight:500}
a.product-card:hover .product-link{color:var(--primary)}

/* Product badge (alternative class names used in HTML) */
.product-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:500;margin-bottom:12px}
.badge-hot{background:#fdedec;color:var(--accent)}
.badge-new{background:#e8f8f5;color:#1abc9c}
.badge-recommend{background:var(--bg-blue);color:var(--primary)}

/* Product icon (alternative class name) */
.product-icon{width:56px;height:56px;border-radius:14px;background:var(--bg-blue);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:20px}

/* Product title / desc / link (alternative class names) */
.product-title{font-size:18px;color:var(--primary);font-weight:600;margin-bottom:10px}
.product-desc{font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:16px}
.product-link{color:var(--primary-light);font-size:14px;text-decoration:none;font-weight:500}

/* Section header (used in subpages) */
.section-header{text-align:center;margin-bottom:48px}
.section-header .section-tag{display:inline-block;padding:4px 14px;border-radius:20px;background:var(--bg-blue);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:14px}
.section-header .section-title{font-size:30px;color:var(--primary);font-weight:700;margin-bottom:12px}
.section-header .section-desc{font-size:16px;color:var(--text-gray);max-width:680px;margin:0 auto}

/* Feature content wrapper */
.feature-content h3,.feature-content h4{font-size:15px;color:var(--primary);margin-bottom:6px}
.feature-content p{font-size:13px;color:var(--text-gray);line-height:1.6}

/* ===== Comparison Table ===== */
.compare-table{width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare-table th{background:var(--primary);color:#fff;padding:16px 20px;font-size:14px;text-align:left}
.compare-table td{padding:14px 20px;border-bottom:1px solid #eef0f1;font-size:14px}
.compare-table tr:nth-child(even){background:var(--bg-light)}
.compare-table tr:hover{background:var(--bg-blue)}
.compare-table .check{color:#27ae60;font-weight:bold}
.compare-table .cross{color:#e74c3c}

/* ===== Feature List ===== */
.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-item{display:flex;gap:16px;padding:20px;border-radius:var(--radius);background:#fff;transition:var(--transition)}
.feature-item:hover{background:var(--bg-blue)}
.feature-item .feature-icon{flex-shrink:0;width:44px;height:44px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.feature-item h4{font-size:15px;color:var(--primary);margin-bottom:6px}
.feature-item p{font-size:13px;color:var(--text-gray);line-height:1.6}

/* ===== Industry Cards ===== */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.industry-card{text-align:center;padding:30px 16px;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.industry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.industry-card .icon{font-size:40px;margin-bottom:12px}
.industry-card h3{font-size:16px;color:var(--primary);margin-bottom:8px}
.industry-card p{font-size:13px;color:var(--text-gray);line-height:1.6}

/* ===== Process Steps ===== */
.process-steps{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.process-step{flex:1;min-width:180px;text-align:center;position:relative}
.process-step .step-num{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.process-step h4{font-size:15px;color:var(--primary);margin-bottom:8px}
.process-step p{font-size:13px;color:var(--text-gray)}

/* ===== Lead Form / CTA Section ===== */
.cta-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;padding:60px 0}
.cta-wrapper{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h2{font-size:28px;margin-bottom:10px}
.cta-text p{opacity:.85;font-size:15px}
.lead-form{background:#fff;border-radius:var(--radius-lg);padding:36px;max-width:520px;width:100%}
.lead-form h3{color:var(--primary);font-size:20px;margin-bottom:6px}
.lead-form p{color:var(--text-gray);font-size:14px;margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;color:var(--text-dark);margin-bottom:6px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:1px solid #ddd;border-radius:8px;font-size:14px;font-family:inherit;transition:var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(46,134,193,.1)}
.form-group textarea{resize:vertical;min-height:80px}
.form-submit{width:100%;padding:14px;border-radius:8px;background:var(--primary);color:#fff;font-size:16px;font-weight:500;border:none;cursor:pointer;transition:var(--transition)}
.form-submit:hover{background:var(--primary-dark)}
.form-success{display:none;padding:16px;border-radius:8px;background:#e8f8f5;color:#1abc9c;text-align:center;font-size:14px}
.form-success.show{display:block}

/* ===== About Page ===== */
.about-content{display:flex;gap:50px;align-items:center;flex-wrap:wrap}
.about-text{flex:1;min-width:300px}
.about-text h3{color:var(--primary);font-size:22px;margin-bottom:16px}
.about-text p{color:var(--text-dark);line-height:1.9;margin-bottom:14px;font-size:15px}
.about-features{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.about-feature{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-dark)}
.about-feature::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--primary-light);flex-shrink:0}
.about-image{flex:0 0 350px;text-align:center}
.about-image .badge{display:inline-block;padding:8px 20px;background:var(--bg-blue);color:var(--primary);border-radius:30px;font-size:13px;font-weight:600;margin-bottom:16px}

/* ===== Contact Page ===== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{text-align:center;padding:30px;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow)}
.contact-card .icon{font-size:32px;margin-bottom:12px}
.contact-card h3{color:var(--primary);font-size:16px;margin-bottom:8px}
.contact-card p{color:var(--text-gray);font-size:14px;line-height:1.7}
.contact-card a{color:var(--text-gray);text-decoration:none}
.contact-card a:hover{color:var(--primary)}

/* ===== Footer ===== */
.footer{background:#1a2a3a;color:#bdc3c7;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col p{font-size:13px;line-height:1.8;margin-bottom:8px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col a{color:#bdc3c7;text-decoration:none;font-size:13px;transition:var(--transition)}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid #2c3e50;padding-top:20px;text-align:center;font-size:12px;color:#7f8c8d}

/* ===== Responsive ===== */
@media (max-width:968px){
  .nav-menu{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:10px;box-shadow:0 4px 20px rgba(0,0,0,.1)}
  .nav-menu.show{display:flex}
  .nav-menu a{width:100%;padding:12px}
  .nav-toggle{display:flex}
  .hero h1{font-size:28px}
  .hero p{font-size:15px}
  .products-grid,.features-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-wrapper{flex-direction:column}
  .process-steps{flex-direction:column;align-items:center}
}
@media (max-width:480px){
  .hero h1{font-size:24px}
  .hero-stats{flex-direction:column;gap:20px}
  .industry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

/* ===== Site Header / Nav (HTML markup convention) ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 1px 10px rgba(0,0,0,.06);transition:var(--transition)}
.site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.site-header .logo{display:flex;align-items:center;gap:8px;text-decoration:none}
.site-header .logo-icon{font-size:24px}
.site-header .logo-text{font-size:20px;font-weight:700;color:var(--primary)}
.main-nav{display:flex}
.main-nav .nav-list{display:flex;align-items:center;gap:2px;list-style:none}
.main-nav .nav-list > li{position:relative}
.main-nav .nav-list a{text-decoration:none;color:var(--text-dark);font-size:15px;padding:8px 13px;border-radius:6px;transition:var(--transition);display:block;white-space:nowrap}
.main-nav .nav-list a:hover{color:var(--primary);background:var(--bg-blue)}
.main-nav .nav-list a.active{color:var(--primary);font-weight:600}
.site-header .header-cta{padding:10px 24px!important;font-size:14px;border-radius:30px}
/* Nav dropdown */
.nav-list li.has-dropdown > a::after{content:'▾';font-size:11px;margin-left:5px;opacity:.7}
.nav-list .dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.14);border-radius:8px;min-width:176px;padding:6px 0;list-style:none;z-index:100;border:1px solid #eef0f1}
.nav-list li.has-dropdown:hover > .dropdown,.nav-list li.has-dropdown.open > .dropdown{display:block}
.nav-list .dropdown li a{padding:9px 18px;font-size:14px;white-space:nowrap;border-radius:0}
.nav-list .dropdown li a:hover{background:var(--bg-blue);color:var(--primary)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.nav-toggle span{width:25px;height:3px;background:var(--primary);border-radius:2px;transition:var(--transition)}

/* ===== Reusable building blocks (HTML convention) ===== */
.section-header{text-align:center;margin-bottom:48px}
.section-header .section-tag{display:inline-block;padding:4px 14px;border-radius:20px;background:var(--bg-blue);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:14px}
.section-header .section-title{font-size:30px;color:var(--primary);font-weight:700;margin-bottom:12px}
.section-header .section-desc{font-size:16px;color:var(--text-gray);max-width:680px;margin:0 auto}
.section{padding:70px 0}
.section-gray{background:var(--bg-light)}
.section-blue{background:var(--bg-blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:30px;font-size:15px;font-weight:500;text-decoration:none;transition:var(--transition);border:none;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 22px rgba(26,82,118,.25)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary-light)}
.btn-outline:hover{background:var(--bg-blue);border-color:var(--primary)}
/* Outline button on dark hero / banner backgrounds */
.hero .btn-outline,.page-banner .btn-outline,.cta-section .btn-outline{color:#fff;border-color:rgba(255,255,255,.6)}
.hero .btn-outline:hover,.page-banner .btn-outline:hover,.cta-section .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-lg{padding:14px 34px;font-size:16px}
.btn-block{width:100%}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* Page banner (subpages) */
.page-banner{background:linear-gradient(135deg,#0d2c44 0%,var(--primary) 50%,var(--primary-light) 100%);color:#fff;padding:120px 0 60px;text-align:center;position:relative;overflow:hidden}
.page-banner .banner-badge{display:inline-block;padding:5px 16px;border-radius:20px;background:rgba(255,255,255,.16);font-size:13px;margin-bottom:16px}
.page-banner .banner-title{font-size:36px;font-weight:700;margin-bottom:14px}
.page-banner .banner-subtitle{font-size:16px;opacity:.92;max-width:760px;margin:0 auto 26px;line-height:1.8}
.page-banner .banner-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Service / feature card grids */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.service-card,.feature-card,.advantage-item,.scope-card{background:#fff;border-radius:var(--radius-lg);padding:32px 26px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid #f0f0f0}
.service-card:hover,.feature-card:hover,.advantage-item:hover,.scope-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.service-card .card-icon,.feature-card .card-icon,.advantage-item .card-icon,.scope-card .card-icon{width:56px;height:56px;border-radius:14px;background:var(--bg-blue);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px}
.service-card h3,.feature-card h3,.advantage-item h3,.scope-card h3{font-size:18px;color:var(--primary);font-weight:600;margin-bottom:10px}
.service-card p,.feature-card p,.advantage-item p,.scope-card p{font-size:14px;color:var(--text-gray);line-height:1.8}
.service-grid.cols-4{grid-template-columns:repeat(4,1fr)}

/* Process steps */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-grid.cols-5{grid-template-columns:repeat(5,1fr)}
.process-grid.cols-6{grid-template-columns:repeat(6,1fr)}
.process-step{background:#fff;border-radius:var(--radius-lg);padding:30px 22px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);position:relative}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.process-step .step-number{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.process-step .step-icon{font-size:30px;margin-bottom:12px}
.process-step h3{font-size:16px;color:var(--primary);margin-bottom:8px}
.process-step p{font-size:13px;color:var(--text-gray);line-height:1.7}

/* Comparison / matrix table */
.table-wrapper{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.comparison-table{width:100%;border-collapse:collapse;min-width:560px}
.comparison-table th{background:var(--primary);color:#fff;padding:16px 20px;font-size:14px;text-align:left;font-weight:600}
.comparison-table td{padding:14px 20px;border-bottom:1px solid #eef0f1;font-size:14px;color:var(--text-dark)}
.comparison-table tr:nth-child(even){background:var(--bg-light)}
.comparison-table tr:hover{background:var(--bg-blue)}
.comparison-table .col-highlight{background:var(--primary-dark)}
.table-note{font-size:13px;color:var(--text-gray);margin-top:14px;text-align:center}

/* Video player */
.video-wrapper{max-width:880px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover);background:#000}
.video-wrapper video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}

/* Pricing cards */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.pricing-card{background:#fff;border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow);border:1px solid #eef2f5;display:flex;flex-direction:column;position:relative;transition:var(--transition)}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(46,134,193,.2)}
.pricing-card.pricing-featured{border-top:4px solid var(--primary-light)}
.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;padding:4px 16px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.pricing-header{text-align:center;margin-bottom:20px;border-bottom:1px solid #eef2f5;padding-bottom:20px}
.pricing-header h3{color:var(--primary);font-size:18px;margin-bottom:12px}
.price-amount{font-size:34px;font-weight:700;color:var(--primary)}
.price-unit{font-size:14px;color:var(--text-gray);margin-left:4px}
.pricing-features{list-style:none;flex:1;margin-bottom:24px}
.pricing-features li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--text-dark);margin-bottom:10px;line-height:1.6}
.pricing-features li svg{width:16px;height:16px;flex-shrink:0;color:#27ae60;margin-top:3px}
.pricing-note{font-size:13px;color:var(--text-gray);margin-top:14px;text-align:center}

/* Hardware cards */
.hardware-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hardware-card{background:#fff;border-radius:var(--radius-lg);padding:30px 24px;box-shadow:var(--shadow);border:1px solid #eef2f5;transition:var(--transition)}
.hardware-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(46,134,193,.2)}
.hardware-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--bg-blue) 0%,#fff 100%);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--primary);border:1px solid rgba(26,82,118,.08)}
.hardware-icon svg{width:26px;height:26px}
.hardware-card h3{font-size:17px;color:var(--primary);margin-bottom:10px}
.hardware-card p{font-size:13px;color:var(--text-gray);line-height:1.7;margin-bottom:14px}
.hardware-features{list-style:none}
.hardware-features li{font-size:13px;color:var(--text-dark);margin-bottom:6px;padding-left:16px;position:relative}
.hardware-features li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--primary-light)}

/* Highlight feature grid */
.feature-highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-highlight-card{background:#fff;border-radius:var(--radius-lg);padding:30px 24px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid #f0f0f0;text-align:center}
.feature-highlight-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.feature-highlight-card .fh-icon{font-size:34px;margin-bottom:14px;color:var(--primary);display:flex;align-items:center;justify-content:center}
.feature-highlight-card .fh-icon svg{width:34px;height:34px}

/* DingTalk integration highlight */
.integration-highlight{background:linear-gradient(135deg,var(--bg-blue) 0%,#fff 100%);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.integration-highlight h3{color:var(--primary);font-size:22px;margin-bottom:20px}
.integration-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;list-style:none}
.integration-list li{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;box-shadow:0 1px 8px rgba(0,0,0,.04)}
.integration-list li .il-icon{font-size:30px;margin-bottom:10px}
.integration-list li h4{color:var(--primary);font-size:15px;margin-bottom:6px}
.integration-list li p{color:var(--text-gray);font-size:13px}

/* Brand list */
.brand-list{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.brand-list .brand-item{padding:14px 26px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);font-size:15px;color:var(--primary);font-weight:600;border:1px solid #f0f0f0;transition:var(--transition)}
.brand-list .brand-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}

/* Strategy / tier cards */
.strategy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.strategy-card{background:#fff;border-radius:var(--radius-lg);padding:32px 26px;box-shadow:var(--shadow);transition:var(--transition);border-top:4px solid var(--primary-light)}
.strategy-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.strategy-card .strategy-level{display:inline-block;padding:4px 14px;border-radius:20px;background:var(--bg-blue);color:var(--primary);font-size:12px;font-weight:600;margin-bottom:14px}
.strategy-card h3{font-size:18px;color:var(--primary);margin-bottom:10px}
.strategy-card p{font-size:14px;color:var(--text-gray);line-height:1.8}

/* CTA section (HTML convention) */
.cta-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;padding:70px 0}
.cta-wrapper{display:flex;align-items:stretch;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-info{flex:1;min-width:300px}
.cta-info h2{font-size:28px;margin-bottom:14px}
.cta-info p{opacity:.9;font-size:15px;line-height:1.9;margin-bottom:20px}
.cta-list{list-style:none;margin-bottom:24px}
.cta-list li{margin-bottom:10px;font-size:14px;opacity:.95}
.cta-list li svg{width:16px;height:16px;vertical-align:-2px;margin-right:8px;color:#2ecc71}
.cta-contact p{font-size:14px;margin-bottom:6px;opacity:.9}
.cta-contact p svg{width:15px;height:15px;vertical-align:-2px;margin-right:8px}
.site-footer .footer-domain svg{width:14px;height:14px;vertical-align:-2px;margin-right:4px}
.cta-form-wrapper{flex:0 0 460px;max-width:100%}
.lead-form{background:#fff;border-radius:var(--radius-lg);padding:36px}
.lead-form h3{color:var(--primary);font-size:20px;margin-bottom:8px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--text-dark);margin-bottom:6px;font-weight:500}
.form-group .required{color:var(--accent)}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:1px solid #ddd;border-radius:8px;font-size:14px;font-family:inherit;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(46,134,193,.12)}
.form-group textarea{resize:vertical;min-height:90px}
.form-success{display:none;padding:16px;border-radius:8px;background:#e8f8f5;color:#1abc9c;text-align:center;font-size:14px;margin-bottom:12px}
.form-success.show{display:block}
.form-privacy{font-size:12px;color:var(--text-gray);text-align:center;margin-top:10px}

/* Footer (HTML convention) */
.site-footer{background:#1a2a3a;color:#bdc3c7;padding:54px 0 24px}
.site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}
.site-footer .footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer .footer-col p{font-size:13px;line-height:1.8;margin-bottom:8px}
.site-footer .footer-col ul{list-style:none}
.site-footer .footer-col ul li{margin-bottom:8px}
.site-footer .footer-col a{color:#bdc3c7;text-decoration:none;font-size:13px;transition:var(--transition)}
.site-footer .footer-col a:hover{color:#fff}
.site-footer .footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.site-footer .footer-logo .logo-text{font-size:20px;font-weight:700;color:#fff}
.site-footer .footer-desc{font-size:13px;line-height:1.8;margin-bottom:10px}
.site-footer .footer-domain{font-size:13px;color:#fff}
.site-footer .footer-bottom{border-top:1px solid #2c3e50;padding-top:20px;text-align:center;font-size:12px;color:#7f8c8d}

/* Responsive for nav/cards */
@media (max-width:968px){
  .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 0;box-shadow:0 4px 20px rgba(0,0,0,.1);max-height:80vh;overflow-y:auto}
  .main-nav.show{display:block}
  .main-nav .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .main-nav .nav-list > li{width:100%}
  .main-nav .nav-list a{padding:12px 22px;border-radius:0}
  .nav-list li.has-dropdown > a::after{float:right}
  .nav-list .dropdown{position:static;display:none;box-shadow:none;background:var(--bg-light);border:none;border-radius:0;padding:4px 0;margin:0}
  .nav-list li.has-dropdown.open > .dropdown{display:block}
  .nav-toggle{display:flex}
  .service-grid,.service-grid.cols-4,.feature-highlight-grid,.strategy-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid,.process-grid.cols-5,.process-grid.cols-6{grid-template-columns:repeat(2,1fr)}
  .integration-list{grid-template-columns:1fr}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr}
  .cta-wrapper{flex-direction:column}
  .cta-form-wrapper{flex:0 0 100%}
}
@media (max-width:600px){
  .service-grid,.service-grid.cols-2,.service-grid.cols-4,.feature-highlight-grid,.strategy-grid,.process-grid,.process-grid.cols-5,.process-grid.cols-6{grid-template-columns:1fr}
  .page-banner .banner-title{font-size:26px}
  .site-footer .footer-grid{grid-template-columns:1fr}
}

/* ===== Back to top button ===== */
.back-to-top{position:fixed;right:24px;bottom:32px;z-index:900;width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(26,82,118,.3);opacity:0;visibility:hidden;transform:translateY(12px);transition:var(--transition)}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 6px 20px rgba(26,82,118,.4)}
.back-to-top svg{width:20px;height:20px}