/* ============================================
   企订通 v2 - 统一样式表（单一文件，PC+移动端）
   设计：蓝色主题 #1B6FE0 · 卡片式 · 对标企业SaaS官网
   ============================================ */

:root{
  --primary:#1B6FE0;--primary-dark:#1558B8;--primary-light:#E8F1FC;--primary-pale:#F5F9FF;
  --text-dark:#1F2D3D;--text-mid:#52677A;--text-light:#8A9BAD;
  --bg:#FFFFFF;--bg-alt:#F7FAFD;--line:#E5EDF5;
  --navy:#0B1F3F;--gold:#FFD700;
  --radius:10px;--radius-lg:14px;
  --shadow:0 2px 10px rgba(15,23,42,.05);--shadow-hover:0 8px 24px rgba(15,23,42,.09);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text-dark);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 促销条 ============ */
.promo-bar{background:var(--navy);color:#fff;padding:8px 0;position:relative;z-index:10000}
.promo-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.promo-text{display:flex;align-items:center;gap:8px;flex:1;min-width:200px}
.promo-hot{background:rgba(255,255,255,.16);color:#fff;font-weight:800;font-size:.75rem;padding:3px 10px;border-radius:14px;white-space:nowrap}
.promo-msg{font-size:.875rem;font-weight:500}
.promo-countdown{display:flex;align-items:center;gap:4px}
.cd-label{font-size:.75rem;opacity:.85;margin-right:6px}
.cd-box{background:rgba(0,0,0,.25);min-width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;font-weight:800;font-size:.875rem;font-variant-numeric:tabular-nums}
.cd-sep{font-weight:700}
.promo-btn{background:#fff;color:var(--navy);font-weight:700;font-size:.8125rem;padding:6px 16px;border-radius:18px;white-space:nowrap}
.promo-btn:hover{background:#E8EEF6}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);height:60px;display:flex;align-items:center}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.site-logo{font-size:1.35rem;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:7px}
.logo-img{height:36px;width:auto}
.main-nav{display:flex;gap:6px;align-items:center}
.main-nav a{font-size:.9rem;color:var(--text-dark);padding:8px 14px;position:relative;font-weight:500;transition:.2s}
.main-nav a:hover{color:var(--primary)}
.main-nav a::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--primary);border-radius:2px;transition:width .25s}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.main-nav a.active{color:var(--primary);font-weight:600}
.nav-item-wrap{position:relative;padding-bottom:8px}
.nav-item-wrap:hover .nav-dropdown,.nav-item-wrap:focus-within .nav-dropdown{display:grid;animation:ddIn .2s ease}
@keyframes ddIn{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.nav-dropdown{display:none;position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(15,23,42,.10);padding:26px;z-index:999;grid-template-columns:repeat(3,1fr) 220px;gap:22px;min-width:880px;max-width:1000px;border:1px solid #EDF1F7}
.nav-drop-group .ndg-head{margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid #F0F4F9}
.nav-drop-group .ndg-head h4{font-size:.9rem;font-weight:700;color:var(--navy);margin-bottom:4px}
.nav-drop-group .ndg-head p{font-size:.7rem;color:var(--text-light);line-height:1.4}
.ndg-items{display:flex;flex-direction:column;gap:2px}
.ndg-items a{font-size:.8125rem;color:var(--text-mid);padding:7px 10px;border-radius:8px;transition:.15s;display:flex;align-items:center;gap:6px}
.ndg-items a::before{content:'›';color:#B8C7D9;font-weight:700}
.ndg-items a:hover{color:var(--primary-dark);background:var(--primary-light);padding-left:14px}
.ndg-items a:hover::before{color:var(--primary-dark)}
.nav-drop-image{grid-row:span 3;display:flex;align-items:center;justify-content:center}
.nav-drop-image img{width:100%;max-height:260px;object-fit:cover;border-radius:12px;box-shadow:0 4px 14px rgba(15,23,42,.08)}
.header-cta{display:flex;align-items:center;gap:10px}
.header-phone{font-size:1.25rem;color:var(--primary-dark);font-weight:800;white-space:nowrap;letter-spacing:.01em}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:8px;font-size:.875rem;font-weight:600;border:none;cursor:pointer;transition:.2s}
.btn-sm{padding:7px 16px;font-size:.8125rem}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 2px 8px rgba(27,111,224,.22)}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-pale)}
.btn-white{background:#fff;color:var(--primary);font-weight:700}
.btn-lg{padding:13px 32px;font-size:.9375rem}
.mobile-menu-btn,.mobile-nav,.pc-bottom-bar{display:none}

/* ============ Hero ============ */
.hero{background:linear-gradient(180deg,#F0F6FE 0%,#fff 100%);padding:64px 0 56px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(27,111,224,.05),transparent 65%)}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:2.6rem;font-weight:800;line-height:1.25;color:var(--text-dark);margin-bottom:14px;letter-spacing:-.01em}
.hero h1 strong,.hero h1 em{color:var(--primary);font-style:normal}
.hero p{font-size:1.05rem;color:var(--text-mid);margin-bottom:28px;line-height:1.7}
.hero-actions{display:flex;gap:12px;align-items:center}
.hero-note{font-size:.75rem;color:var(--text-light);margin-top:14px;display:flex;gap:16px;align-items:center}
.hero-note span::before{content:'✓';color:var(--primary);font-weight:700;margin-right:4px}
.hero-screen{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-hover);padding:18px;border:1px solid var(--line)}
.screen-top{display:flex;gap:5px;margin-bottom:12px}
.screen-top i{width:10px;height:10px;border-radius:50%;background:#E5EDF5;display:block}
.screen-top i:first-child{background:#FF5F57}
.screen-top i:nth-child(2){background:#FEBC2E}
.screen-top i:nth-child(3){background:#28C840}
.screen-body{display:grid;grid-template-columns:1fr 2fr;gap:10px}
.screen-side{background:var(--bg-alt);border-radius:8px;padding:10px;display:flex;flex-direction:column;gap:6px}
.screen-side .item{font-size:.6875rem;color:var(--text-mid);padding:6px 8px;border-radius:5px}
.screen-side .item.on{background:var(--primary-light);color:var(--primary);font-weight:600}
.screen-side .mi{display:inline-flex;margin-right:8px;vertical-align:middle}
.feature-visual{display:flex;align-items:center;justify-content:center}
.matrix-card .icon{display:flex;justify-content:center}
.industry-card>span:first-child{display:flex;justify-content:center;margin-bottom:10px}
.screen-main{background:var(--bg-alt);border-radius:8px;padding:12px}
.screen-main .kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}
.screen-main .kpi div{background:#fff;border-radius:6px;padding:8px;text-align:center;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.screen-main .kpi b{display:block;font-size:.8125rem;color:var(--primary)}
.screen-main .kpi span{font-size:.625rem;color:var(--text-light)}
.screen-main .bars{display:flex;align-items:flex-end;gap:5px;height:56px}
.screen-main .bars i{flex:1;background:linear-gradient(180deg,var(--primary),#7CB2F0);border-radius:3px 3px 0 0;display:block}
.hero-side{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-stat{background:rgba(255,255,255,.08);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:16px;text-align:center}
.hero-stat .num{font-size:1.6rem;font-weight:800;color:#fff}
.hero-stat .label{font-size:.75rem;color:rgba(255,255,255,.65);margin-top:2px}
.hero-badge{display:inline-block;font-size:.7rem;font-weight:700;color:var(--primary-dark);background:var(--primary-light);border:1px solid rgba(27,111,224,.18);padding:4px 12px;border-radius:20px;margin-bottom:14px;letter-spacing:.05em}
.hero-sub{font-size:.9rem;color:rgba(255,255,255,.78);margin-bottom:20px;line-height:1.6}

/* ============ 通用区块 ============ */
.section{padding:52px 0}
.section-narrow{padding:16px 0}
.section-header{text-align:center;margin-bottom:32px}
.section-header h2{font-size:1.9rem;font-weight:800;color:var(--text-dark);margin-bottom:8px;letter-spacing:-.01em}
.section-header h2 strong{color:var(--primary)}
.section-header p{font-size:.9375rem;color:var(--text-mid);max-width:600px;margin:0 auto}
.section-header .title-block{text-align:left}
.section-header .more-link{font-size:.875rem;color:var(--primary);font-weight:600;white-space:nowrap;flex-shrink:0}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}

/* ============ 数据背书条 ============ */
.trust-bar{background:var(--bg-alt);padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-bar .container{display:flex;justify-content:center;gap:56px;flex-wrap:wrap}
.trust-item{text-align:center}
.trust-item b{display:block;font-size:1.5rem;font-weight:800;color:var(--primary)}
.trust-item span{font-size:.75rem;color:var(--text-light)}

/* ============ 产品区（橙色5列） ============ */
.product-section-orange{background:var(--bg-alt);padding:48px 0}
.product-section-orange .product-grid{grid-template-columns:repeat(5,1fr);gap:14px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;transition:.2s;display:block;position:relative;overflow:hidden}
.product-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--primary);opacity:0;transition:.2s}
.product-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.product-card:hover::after{opacity:1}
.product-card .icon{width:46px;height:46px;background:#FFF3E8;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#F26D21;margin-bottom:14px}
.product-card .icon svg{width:24px;height:24px}
.product-card h3{font-size:1rem;font-weight:700;color:#C2410C;margin-bottom:8px}
.product-card p{font-size:.78rem;color:var(--text-mid);margin-bottom:10px;line-height:1.55}
.product-card .features{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.product-card .features li{font-size:.68rem;color:#9A3412;background:#FFF3E8;padding:3px 10px;border-radius:20px;font-weight:500}
.product-card .link{display:inline-block;margin-top:12px;font-size:.8125rem;color:#F26D21;font-weight:600}
.badge-tag{position:absolute;top:14px;right:14px;background:var(--primary);color:#fff;font-size:.625rem;padding:3px 9px;border-radius:20px;font-weight:600}

/* ============ 功能矩阵 ============ */
.feature-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.matrix-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;text-align:center;transition:.2s}
.matrix-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.matrix-card .icon{width:46px;height:46px;margin:0 auto 12px;background:var(--primary-pale);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--primary)}
.matrix-card .icon svg{width:24px;height:24px}
.matrix-card h3{font-size:.9375rem;font-weight:700;color:var(--text-dark);margin-bottom:5px}
.matrix-card p{font-size:.75rem;color:var(--text-light);line-height:1.5}
.service-matrix-5{grid-template-columns:repeat(5,1fr)}

/* ============ 功能列表（交替行） ============ */
.feature-list{display:flex;flex-direction:column;gap:24px}
.feature-row{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;transition:.2s}
.feature-row:hover{border-color:var(--primary);box-shadow:var(--shadow-hover)}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-visual{order:1}
.feature-text h3{font-size:1.25rem;font-weight:800;color:var(--text-dark);margin-bottom:14px}
.feature-text ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.feature-text li{font-size:.875rem;color:var(--text-mid);line-height:1.6}
.feature-text li b{color:var(--primary-dark);display:block;margin-bottom:2px}
.feature-visual{font-size:5rem;text-align:center;background:var(--primary-pale);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;min-height:180px}

/* ============ 行业宫格 ============ */
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.industry-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 14px;text-align:center;transition:.2s;display:flex;flex-direction:column;align-items:center;gap:6px}
.industry-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.industry-card span{font-size:.9375rem;font-weight:700;color:var(--text-dark)}
.industry-card small{font-size:.75rem;color:var(--text-light)}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-grid-5{grid-template-columns:repeat(5,1fr);gap:12px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.2s;display:block}
.case-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.case-card .cover{height:120px;background:linear-gradient(135deg,var(--primary-pale),var(--primary-light));display:flex;align-items:center;justify-content:center}
.case-card .cover svg{width:40px;height:40px;color:var(--primary)}
.case-card .body{padding:18px}
.case-card .industry{display:inline-block;font-size:.6875rem;color:var(--primary);background:var(--primary-light);font-weight:600;padding:2px 10px;border-radius:16px}
.case-card h3{font-size:.9375rem;font-weight:700;margin:8px 0 5px;color:var(--text-dark);line-height:1.4}
.case-card p{font-size:.75rem;color:var(--text-mid);line-height:1.5}
.case-grid-5 .case-card .cover{height:80px}
.case-grid-5 .case-card .body{padding:12px}
.case-grid-5 .case-card h3{font-size:.8125rem}
.case-grid-5 .case-card p{font-size:.6875rem;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 新闻 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.2s;display:block}
.news-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-card .cover{height:100px;background:var(--primary-pale);display:flex;align-items:center;justify-content:center}
.news-card .cover svg{width:32px;height:32px;color:var(--primary)}
.news-card .body{padding:16px}
.news-card .category-tag{font-size:.625rem;color:var(--primary);background:var(--primary-light);font-weight:600;padding:2px 9px;border-radius:14px}
.news-card h3{font-size:.875rem;font-weight:700;margin:7px 0 4px;color:var(--text-dark);line-height:1.4}
.news-card p{font-size:.75rem;color:var(--text-mid);line-height:1.5;margin-bottom:6px}
.news-card .meta{font-size:.6875rem;color:var(--text-light)}

/* ============ FAQ+对比表 ============ */
.combo-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.faq-item summary{display:flex;align-items:center;gap:10px;padding:14px 18px;cursor:pointer;list-style:none;font-size:.9375rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{background:var(--primary-light);color:var(--primary-dark);font-weight:800;font-size:.75rem;padding:2px 9px;border-radius:6px;flex-shrink:0}
.faq-title{flex:1;font-weight:600;color:var(--text-dark)}
.faq-arrow{color:#9AB2C4;transition:.2s}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-a{padding:0 18px 14px 52px;font-size:.8125rem;color:var(--text-mid);line-height:1.7}
.compare-table-wrap{overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(11,31,63,.06)}
.compare-table th,.compare-table td{padding:13px 16px;text-align:center;font-size:.875rem;border-bottom:1px solid #F0F4F9}
.compare-table thead th{background:var(--navy);color:#fff;font-weight:700}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--text-dark);width:26%}
.compare-table .highlight-col{background:var(--primary-light);color:var(--primary-dark);font-weight:700}
.compare-table thead .highlight-col{background:var(--primary)}

/* ============ 品牌墙 ============ */
.brand-wall{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.brand-chip{background:#fff;border:1px solid var(--line);border-radius:22px;padding:8px 20px;font-size:.8125rem;font-weight:600;color:var(--text-mid);transition:.2s;cursor:default;white-space:nowrap}
.brand-chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(15,23,42,.08)}

/* ============ CTA ============ */
.cta-section{background:var(--navy);color:#fff;padding:52px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-60px;left:-40px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07)}
.cta-section::after{content:'';position:absolute;bottom:-80px;right:-40px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-section h2{font-size:1.7rem;font-weight:800;margin-bottom:8px;position:relative;z-index:1}
.cta-section p{color:rgba(255,255,255,.8);margin-bottom:22px;font-size:.9375rem;position:relative;z-index:1}
.cta-section .btn{position:relative;z-index:1}

/* ============ 内页 ============ */
.breadcrumbs{padding:10px 0;font-size:.75rem;color:var(--text-light)}
.breadcrumbs ol{display:flex;gap:6px;list-style:none;flex-wrap:wrap}
.breadcrumbs a{color:var(--text-mid)}
.breadcrumbs li:not(:last-child)::after{content:'/';margin-left:6px;color:#CBD8E4}
.page-banner{display:none}
.article-detail{padding:28px 0}
.article-header{margin-bottom:20px}
.article-header h1{font-size:1.75rem;font-weight:800;color:var(--text-dark);line-height:1.3;margin-bottom:8px}
.article-header .meta{font-size:.8125rem;color:var(--text-light);display:flex;gap:12px;flex-wrap:wrap}
.article-body{font-size:.9375rem;line-height:1.85;color:#33475B;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.article-body p{margin-bottom:12px}
.article-body h2,.article-body h3{color:var(--text-dark);margin:20px 0 8px;font-weight:700}
.contact-section{padding:34px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:20px}
.contact-info{display:flex;flex-direction:column;gap:10px}
.contact-info h2{font-size:1.375rem;font-weight:800;color:var(--text-dark);margin-bottom:4px}
.contact-info .info-item{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.contact-info .info-item .label{font-size:.75rem;color:var(--text-light);min-width:60px}
.contact-info .info-item .value{font-size:.875rem;font-weight:500}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px}
.form-group label{display:block;font-size:.75rem;color:var(--text-mid);margin-bottom:4px;font-weight:500}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;border:1.5px solid var(--line);border-radius:8px;font-size:.875rem;font-family:inherit;background:var(--bg-alt)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);background:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.filter-tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.filter-tabs a{padding:6px 18px;border-radius:20px;font-size:.8125rem;color:var(--text-mid);background:#fff;border:1px solid var(--line);font-weight:500}
.filter-tabs a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination{display:flex;gap:6px;justify-content:center;padding:24px 0 0}
.pagination a,.pagination span{display:flex;align-items:center;justify-content:center;min-width:34px;height:34px;border-radius:8px;font-size:.8125rem;background:#fff;border:1px solid var(--line);padding:0 12px;color:var(--text-mid)}
.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ============ 页脚 ============ */
.site-footer{background:#252525;color:rgba(255,255,255,.6);padding:40px 0 0}
.footer-main{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;padding-bottom:24px}
.footer-col h4{font-size:.875rem;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:6px}
.footer-col a{font-size:.8125rem;color:rgba(255,255,255,.5);line-height:2}
.footer-col a:hover{color:#fff}
.fc-qr-row{display:flex;gap:14px;margin-bottom:10px}
.fc-qr{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1}
.fc-qr img{width:100px;height:100px;border-radius:6px;background:#fff;padding:3px}
.fc-qr span{font-size:.6875rem;color:rgba(255,255,255,.6)}
.fc-phone{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.fc-phone-num{font-size:1.125rem;font-weight:800;color:#fff;letter-spacing:.01em}
.fc-phone-time{font-size:.75rem;color:rgba(255,255,255,.55)}
.fc-addr{font-size:.6875rem;color:rgba(255,255,255,.5);line-height:1.6}
.footer-friend-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.75rem;color:rgba(255,255,255,.45)}
.footer-friend-links a{color:rgba(255,255,255,.45);padding:0 4px}
.footer-friend-links a:hover{color:#fff}
.footer-bottom{background:#1c1c1c;padding:14px 0;text-align:center;font-size:.75rem;color:rgba(255,255,255,.45)}
.footer-bottom .container{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ============ 右侧客服侧边栏 ============ */
#kbSide{position:fixed;right:0;top:38%;z-index:99990;width:74px;background:#fff;border-radius:12px 0 0 12px;box-shadow:-2px 4px 20px rgba(0,0,0,.12);overflow:hidden}
.kb-side-top{background:var(--navy);padding:12px 8px 10px;text-align:center}
.kb-avatar{width:44px;height:44px;border-radius:50%;border:2px solid #fff;margin:0 auto 6px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}
.kb-avatar img{width:100%;height:100%;object-fit:cover}
.kb-manager{font-size:.625rem;color:#fff;font-weight:600;background:rgba(0,0,0,.25);display:inline-block;padding:2px 8px;border-radius:10px}
.kb-side-item{display:flex;flex-direction:column;align-items:center;gap:3px;padding:12px 6px;border-bottom:1px solid #F5F5F5;cursor:pointer;text-decoration:none;transition:.15s}
.kb-side-item:hover{background:var(--primary-pale)}
.kb-side-item .kb-t{font-size:.625rem;color:#333;font-weight:500}
.kb-i-red{color:var(--primary)}

/* ============ 移动端 ============ */
@media (max-width: 768px){
  body{font-size:14px}
  .container{padding:0 14px;max-width:100%}
  .promo-bar{padding:4px 0;height:40px;display:flex;align-items:center}
  .promo-inner{gap:8px;flex-wrap:nowrap;width:100%;overflow:hidden}
  .promo-msg{font-size:.68rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}
  .cd-box{min-width:18px;height:18px;font-size:.6rem}
  .cd-label{display:none}
  .promo-btn{font-size:.68rem;padding:4px 10px}
  .site-header{position:fixed;top:40px;left:0;right:0;height:52px;background:var(--navy)}
  .site-header .container{height:52px}
  .site-logo{font-size:1.1rem;color:#fff}
  .main-nav{display:none!important}
  .header-cta .btn{display:none}
  .header-phone{display:none}
  .mobile-menu-btn{display:flex;flex-direction:column;justify-content:center;align-items:center;width:32px;height:32px;background:rgba(255,255,255,.15);border-radius:7px;border:none;gap:3px;cursor:pointer}
  .mobile-menu-btn span{display:block;width:16px;height:1.5px;background:#fff;border-radius:1px}
  .mobile-nav{display:none;position:fixed;top:92px;left:0;right:0;bottom:0;background:#fff;z-index:9998;padding:12px 16px;overflow-y:auto}
  .mobile-nav.open{display:block}
  .mobile-nav a{display:block;padding:13px 0;font-size:.9375rem;font-weight:600;color:var(--text-dark);border-bottom:1px solid var(--line)}
  .hero{padding:110px 14px 32px;margin:0}
  .hero .container{display:block;padding:0}
  .hero h1{font-size:1.4rem}
  .hero p{font-size:.8125rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-screen{display:none}
  .section{padding:30px 0}
  .section-header{flex-direction:column;align-items:flex-start;gap:4px}
  .section-header h2{font-size:1.25rem}
  .section-header p{font-size:.75rem}
  .product-section-orange .product-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .product-grid{grid-template-columns:1fr}
  .product-card{padding:16px 14px}
  .product-card .icon{width:40px;height:40px}
  .product-card h3{font-size:.9375rem}
  .feature-matrix,.service-matrix-5{grid-template-columns:repeat(2,1fr);gap:10px}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:14px;padding:16px}
  .feature-row.reverse .feature-text{order:1}
  .feature-row.reverse .feature-visual{order:2}
  .feature-visual{min-height:80px;font-size:3rem}
  .industry-grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .case-grid,.case-grid-5{grid-template-columns:repeat(2,1fr);gap:10px}
  .news-grid{grid-template-columns:1fr;gap:12px}
  .combo-grid{grid-template-columns:1fr}
  .trust-bar .container{gap:20px}
  .trust-item b{font-size:1.125rem}
  .cta-section{padding:32px 14px}
  .cta-section h2{font-size:1.25rem}
  .contact-grid{grid-template-columns:1fr;gap:16px}
  .form-row{grid-template-columns:1fr}
  .footer-main{grid-template-columns:repeat(2,1fr);gap:16px 12px}
  .footer-contact-col{grid-column:1/-1}
  .site-footer{padding:28px 0 0}
  .pc-bottom-bar{display:none}
  #kbSide{top:auto;bottom:100px;width:60px;border-radius:10px 0 0 10px}
  .kb-side-item{padding:9px 4px}
  .kb-avatar{width:36px;height:36px}
  .page-banner{display:flex;align-items:center;justify-content:space-between;padding:6px 14px;margin-top:92px;background:var(--primary-light);color:var(--primary-dark);font-size:.6875rem;font-weight:600;gap:6px}
  .page-banner a{background:var(--primary);color:#fff;padding:4px 10px;border-radius:14px;white-space:nowrap}
}