@charset "UTF-8";

:root{
--brand-blue:#1B3A6B;--brand-blue-dark:#142C52;--brand-blue-light:#2A5090;
--brand-orange:#E8871E;--brand-orange-light:#F5A623;--accent-orange: #ff7a00;
--primary-dark: #0a2442;--primary-blue: #163a6d;--primary-light: #1e4d8c;
--text-main: #1f2937;--text-secondary: #64748b;--bg-light: #f5f7fa;
--paper-white:#FAF7F0;--pure-white:#FFFFFF;--charcoal:#2D2D2D;--border-light: #e2e8f0;
--text-gray:#5A5A5A;--text-light:#8A8A8A;--bg-gray:#F5F6F8;--border-light:#E5E5E5;
--serif:'Noto Serif SC','Songti SC','SimSun',serif;
--sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
--font-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", serif;
--font-sans: "Noto Sans SC", "Microsoft Yahei", "PingFang SC", sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--charcoal);background:var(--pure-white);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration: none;}

.clear{font-size:0;line-height:0;height:0;clear:both;visibility:hidden;overflow:hidden}
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden}
.cb0{clear:both;height:0px;line-height:0px;font-size:0;overflow:hidden;}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-light);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.nav-inner{max-width:1320px;margin:0 auto;/*padding:0 24px;*/display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap: 12px;cursor:pointer;flex-shrink:0}
.nav-logo img{height:60px;width:auto}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo-text .cn { font-family: var(--serif); font-size: 24px; font-weight: 700; color: var(--brand-blue); }
.nav-logo-text .en { font-size: 13px; color: var(--text-light); letter-spacing: 1px; }
.nav-links{display:flex;align-items:center;gap:2px;list-style:none}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:4px;text-decoration:none;color:var(--charcoal);font-size:15px;padding:10px 14px;border-radius:6px;transition:all .25s;white-space:nowrap}
.nav-item>a:hover{color:var(--brand-blue);background:rgba(27,58,107,.06)}
.nav-item.active>a{color:var(--brand-blue);font-weight:500}
.nav-item.active>a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--brand-orange);border-radius:2px}
.nav-item .arrow{font-size:10px;opacity:.6;transition:transform .25s}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:0 0 10px 10px;box-shadow:0 12px 40px rgba(0,0,0,.12);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s;z-index:100}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 20px;font-size:14px;color:var(--charcoal);text-decoration:none;transition:all .2s}
.dropdown a:hover{background:rgba(27,58,107,.06);color:var(--brand-blue);padding-left:24px}
.nav-cta{background:var(--brand-orange);color:#fff!important;padding:10px 22px!important;border-radius:6px;font-weight:500;transition:all .25s;margin-left:8px}
.nav-cta:hover{background:var(--brand-orange-light)!important;color:#fff!important}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--charcoal);margin:5px 0;transition:.3s}


.view{min-height:100vh;padding-top:70px}
.view.active{display:block;animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* 内页banner图 */
.page-banner{position:relative;height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--brand-blue-dark)}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.page-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(20,44,82,.55),rgba(27,58,107,.36))}
/* .page-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(20,44,82,.85),rgba(27,58,107,.6))} */
.page-banner-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px}
.page-banner-content h1{font-family:var(--serif);font-size:38px;font-weight:700;margin-bottom:12px;letter-spacing:2px}
.page-banner-content p{font-size:16px;color:rgba(255,255,255,.75);max-width:680px;margin:0 auto}

/* 面包屑 */
.breadcrumb{position:relative;max-width: 1320px;margin: 15px auto;z-index:2;margin-top:16px;font-size:15px;color:var(--brand-blue);}
.breadcrumb a{color:var(--brand-blue);text-decoration:none}
.breadcrumb a:hover{color:var(--brand-orange-light)}
@media(max-width:1320px){
.breadcrumb{padding:0 15px;}
}
@media(max-width:960px){
.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 16px;gap:2px;box-shadow:0 8px 24px rgba(0,0,0,.1);max-height:70vh;overflow-y:auto}
.nav-links.open{display:flex}
.nav-item>a{display:block;padding:12px 14px}
.dropdown{position:static;box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;padding-left:16px}
.nav-item.open .dropdown{display:block}
.mobile-toggle{display:block}
.nav-inner{height: 60px;}
.nav-logo img{height: 48px;}
.nav-logo-text { display: none;}

.view{padding-top:60px}
.page-banner{height: 220px;}
}



/* 公共样式 */
.section{padding:80px 25px}
.section-inner{max-width:1320px;margin:0 auto}
.section-header{text-align:center;margin-bottom:48px}
.section-eyebrow{display:inline-block;font-size:16px;letter-spacing:3px;color:var(--brand-orange);margin-bottom:10px;font-weight:500}
.section-title{font-family:var(--serif);font-size:34px;font-weight:700;color:var(--brand-blue);margin-bottom:14px;letter-spacing:1px}
.section-desc{font-size:15px;color:var(--text-gray);max-width:620px;margin:0 auto}
@media(max-width:1400px){
.section{padding:60px 25px}
.section-title{font-size: 30px;}
.section-header{margin-bottom:44px}
}
@media(max-width:1200px){
.section{padding:40px 25px}
.section-title{font-size: 26px;}
.section-header{margin-bottom:40px}
}
@media(max-width:960px){
.section{padding:30px 20px}
.section-title{font-size: 21px;letter-spacing: 0;}
.section-header{margin-bottom:30px}
}
@media(max-width:680px){
.section{padding:20px 15px}
.section-header{margin-bottom:15px}}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:8px;font-size:15px;font-weight:500;text-decoration:none;cursor:pointer;border:none;transition:all .3s;font-family:var(--sans)}
.btn-primary{background:var(--brand-orange);color:#fff;box-shadow:0 4px 20px rgba(232,135,30,.35)}
.btn-primary:hover{background:var(--brand-orange-light);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-dark{background:var(--brand-blue);color:#fff}
.btn-dark:hover{background:var(--brand-blue-light)}
@media(max-width:960px) {
.btn{padding:8px 15px;}
}

/* 业务中心 */
.service-detail{background:var(--pure-white)}
.service-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:50px 0;border-bottom:1px solid var(--border-light)}
.service-block:last-child{border-bottom:none}
.service-block.reverse .service-block-img{order:2}
.service-block-img img{width:100%;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.08)}
.service-block-text h3{font-family:var(--serif);font-size:24px;color:var(--brand-blue);margin-bottom:14px}
.service-block-text>p{font-size:14px;color:var(--text-gray);line-height:1.9;margin-bottom:16px}
.service-list{list-style:none}
.service-list li{font-size:13px;color:var(--text-gray);padding:6px 0 6px 24px;position:relative;line-height:1.7}
.service-list li::before{content:'';position:absolute;left:0;top:12px;width:14px;height:14px;border:2px solid var(--brand-orange);border-radius:50%}
.service-list li::after{content:'';position:absolute;left:4px;top:16px;width:6px;height:6px;background:var(--brand-orange);border-radius:50%}

/* 设备中心 */
.device-section{background:var(--pure-white)}
.device-cats{display:flex;gap:10px;justify-content:center;margin-bottom:44px;flex-wrap:wrap}
.device-cat-btn{padding:9px 22px;border:1px solid var(--border-light);background:#fff;border-radius:24px;font-size:14px;color:var(--text-gray);cursor:pointer;transition:all .25s;font-family:var(--sans)}
.device-cat-btn:hover{border-color:var(--brand-blue);color:var(--brand-blue)}
.device-cat-btn.active{background:var(--brand-blue);color:#fff;border-color:var(--brand-blue)}
.device-cat-header{text-align:center;margin-bottom:40px}
.device-cat-en{font-size:12px;letter-spacing:3px;color:var(--brand-orange);font-weight:500;text-transform:uppercase}
.device-cat-title{font-family:var(--serif);font-size:28px;color:var(--brand-blue);margin:8px 0 6px}
.device-cat-desc{font-size:14px;color:var(--text-gray)}
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.device-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--border-light);transition:all .35s;cursor:pointer;display:flex;flex-direction:column}
.device-card:hover{transform:translateY(-5px);box-shadow:0 16px 48px rgba(0,0,0,.1)}
.device-card-img{height:280px;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;padding:14px;overflow:hidden}
.device-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.device-card:hover .device-card-img img{transform:scale(1.05)}
.device-card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.device-card-cat{font-size:11px;color:var(--brand-orange);letter-spacing:1px;font-weight:500;margin-bottom:8px}
.device-card h4{font-family:var(--serif);font-size:19px;color:var(--charcoal);margin-bottom:6px}
.device-card-brand{font-size:13px;color:var(--text-light);margin-bottom:18px;line-height:1.6}
.device-card-detail{display:inline-flex;align-items:center;gap:6px;color:var(--brand-blue);font-size:14px;font-weight:500;margin-top:auto;transition:color .25s}
.device-card:hover .device-card-detail{color:var(--brand-orange)}

/* 产品详情 */
.product-detail{background:var(--pure-white)}
.product-detail-inner{max-width:1100px;margin:0 auto}
.product-back{display:inline-flex;align-items:center;gap:6px;color:var(--brand-blue);font-size:14px;text-decoration:none;margin-bottom:24px;cursor:pointer;transition:color .25s}
.product-back:hover{color:var(--brand-orange)}
.product-top{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;margin-bottom:48px;align-items:start}
.product-gallery{position:relative;background:var(--bg-gray);border-radius:12px;padding:24px;display:flex;align-items:center;justify-content:center;min-height:380px}
.product-gallery img{max-height:340px;object-fit:contain}
.product-info h3{font-family:var(--serif);font-size:26px;color:var(--charcoal);margin-bottom:8px}
.product-info .product-brand-line{font-size:14px;color:var(--text-gray);margin-bottom:20px}
.product-spec{background:var(--paper-white);border-radius:10px;padding:20px 24px;margin-bottom:20px;border:1px solid rgba(27,58,107,.06)}
.product-spec-row{display:flex;padding:8px 0;font-size:14px;border-bottom:1px dashed var(--border-light)}
.product-spec-row:last-child{border-bottom:none}
.product-spec-row .label{width:90px;color:var(--text-light);flex-shrink:0}
.product-spec-row .value{color:var(--charcoal)}
.product-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.product-tel{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border:1.5px solid var(--brand-blue);border-radius:8px;color:var(--brand-blue);font-size:15px;font-weight:500;text-decoration:none;transition:all .3s}
.product-tel:hover{background:var(--brand-blue);color:#fff}
.product-desc-section{margin-top:40px}
.product-desc-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.product-desc-en{font-size:11px;letter-spacing:3px;color:var(--brand-orange);font-weight:600;text-transform:uppercase}
.product-desc-title{font-family:var(--serif);font-size:22px;color:var(--brand-blue)}
.product-desc-head::after{content:'';flex:1;height:1px;background:var(--border-light)}
.product-package{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}
.package-item{background:var(--paper-white);border-radius:10px;padding:20px 16px;text-align:center;border:1px solid rgba(27,58,107,.06)}
.package-item .val{font-family:var(--serif);font-size:22px;color:var(--brand-orange);font-weight:700;margin-bottom:6px}
.package-item .lbl{font-size:12px;color:var(--text-gray)}
.product-promise{background:linear-gradient(135deg,var(--brand-blue-dark),var(--brand-blue));border-radius:12px;padding:28px 32px;color:#fff;margin-bottom:32px}
.product-promise h4{font-family:var(--serif);font-size:18px;margin-bottom:16px;color:var(--brand-orange-light)}
.product-promise ul{list-style:none}
.product-promise li{font-size:14px;padding:6px 0 6px 22px;position:relative;line-height:1.7}
.product-promise li::before{content:'✓';position:absolute;left:0;color:var(--brand-orange-light);font-weight:700}
.product-intro h4{font-family:var(--serif);font-size:18px;color:var(--brand-blue);margin-bottom:14px}
.product-intro p{font-size:14px;color:var(--text-gray);line-height:2}
.product-intro div table{border:none;}
.product-intro div table td{padding-left: 10px;}
.guarantee{background:var(--pure-white)}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guarantee-item{text-align:center;padding:24px 16px;border-radius:12px;background:var(--paper-white);border:1px solid rgba(27,58,107,.06)}
.guarantee-item .icon{width:44px;height:44px;margin:0 auto 12px;border-radius:10px;background:var(--brand-blue);display:flex;align-items:center;justify-content:center}
.guarantee-item .icon svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2}
.guarantee-item h5{font-size:14px;color:var(--brand-blue);margin-bottom:6px}
.guarantee-item p{font-size:12px;color:var(--text-gray);line-height:1.6}

/* 新闻中心 */
.news-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--border-light);transition:all .35s;cursor:pointer}
.news-card:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.1)}
.news-card-img{height:170px;overflow:hidden;background:var(--bg-gray)}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-card-img img{transform:scale(1.05)}
.news-card-body{padding:20px 22px 24px}
.news-tag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:4px;background:rgba(27,58,107,.08);color:var(--brand-blue);font-weight:500;}
.news-tag.dynamic{background:rgba(232,135,30,.1);color:var(--brand-orange)}
.news-card h4{font-family:var(--serif);font-size:16px;color:var(--charcoal);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:12px;color:var(--text-gray);line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-light)}
.news-meta .read-more{color:var(--brand-blue);font-weight:500}
.news-card:hover .news-meta .read-more{color:var(--brand-orange)}

.news-filter{display:flex;gap:10px;justify-content:center;margin-bottom:40px;flex-wrap:wrap}
.news-filter-btn{padding:7px 22px;border:1px solid var(--border-light);background:#fff;border-radius:24px;font-size:14px;color:var(--text-gray);cursor:pointer;transition:all .25s;font-family:var(--sans)}
.news-filter-btn:hover{border-color:var(--brand-blue);color:var(--brand-blue)}
.news-filter-btn.active{background:var(--brand-blue);color:#fff;border-color:var(--brand-blue)}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}


/* 新闻详情 */
.news-detail{background:var(--pure-white)}
.news-detail-inner{max-width:800px;margin:0 auto}
.news-detail-back{display:inline-flex;align-items:center;gap:6px;color:var(--brand-blue);font-size:14px;text-decoration:none;margin-bottom:24px;cursor:pointer;transition:color .25s}
.news-detail-back a{color:var(--brand-blue);text-decoration: none;}
.news-detail-back:hover a{color:var(--brand-orange)}
.news-detail-header{margin-bottom:32px}
.news-detail-header h1{font-family:var(--serif);font-size:28px;color:var(--charcoal);line-height:1.4;margin-bottom:14px}
.news-detail-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);padding-bottom:18px;border-bottom:1px solid var(--border-light);flex-wrap:wrap}
.news-detail-cover{width:100%;border-radius:12px;margin-bottom:32px;box-shadow:0 8px 32px rgba(0,0,0,.08)}
.news-detail-content{font-size:15px;color:var(--charcoal);line-height:2}
.news-detail-content p{margin-bottom:18px}
.news-detail-content h3{font-family:var(--serif);font-size:19px;color:var(--brand-blue);margin:28px 0 14px;padding-left:12px;border-left:3px solid var(--brand-orange)}
.news-detail-nav{display:flex;justify-content:space-between;margin-top:48px;padding-top:24px;border-top:1px solid var(--border-light);gap:16px}
.news-detail-nav-item{flex:1;font-size:13px;color:var(--text-gray);cursor:pointer;transition:color .25s}
.news-detail-nav-item:hover{color:var(--brand-blue)}
.news-detail-nav-item .label{font-size:11px;color:var(--text-light);margin-bottom:2px}
.news-detail-nav-item.right{text-align:right}
.news-detail-nav-item a{color:var(--text-gray);text-decoration: none;}

/* 关于我们 */
.divider-curve{width:50px;height:3px;background:linear-gradient(90deg,var(--brand-orange),transparent);margin:0 auto;border-radius:2px}
.about-preview{background:var(--pure-white)}
.about-full .about-grid,
.section-hero,
.culture-hero{margin-bottom: 50px;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-img-wrap{position:relative}
.about-img-wrap img{width:100%;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.1)}
.about-img-decor{position:absolute;top:-16px;right:-16px;width:100px;height:100px;border:2px solid var(--brand-orange);border-radius:12px;opacity:.25;z-index:-1}
.about-content h3{font-family:var(--serif);font-size:26px;color:var(--brand-blue);margin-bottom:18px;line-height:1.4}
.about-content p{font-size:14px;color:var(--text-gray);margin-bottom:14px;line-height:1.9}
.about-quote{border-left:3px solid var(--brand-orange);padding:10px 18px;margin:20px 0;background:var(--paper-white);border-radius:0 8px 8px 0;font-family:var(--serif);font-size:16px;color:var(--brand-blue)}

.section-hero{background:var(--paper-white);border-radius:14px;padding:44px;text-align:center;border:1px solid rgba(27,58,107,.08);}
.section-hero h3{font-family:var(--serif);font-size:28px;color:var(--brand-blue);margin-bottom:12px;}
.section-hero p{font-size:15px;color:var(--text-gray);max-width:680px;margin:0 auto;line-height:1.9;}

/* 文化溯源：为什么是以诚？ */
.culture-hero{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.culture-hero-img img{width:100%;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.08)}
.culture-hero-text h3{font-family:var(--serif);font-size:26px;color:var(--brand-blue);margin-bottom:16px;line-height:1.4}
.culture-hero-text p{font-size:14px;color:var(--text-gray);line-height:1.9;margin-bottom:12px}

/* 企业价值观 · 四气理念 */
.culture-virtues{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.virtue-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid rgba(27,58,107,.08);transition:all .3s}
.virtue-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(27,58,107,.1)}
.virtue-icon{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-light));display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:18px;color:#fff;font-weight:700}
.virtue-card h4{font-family:var(--serif);font-size:16px;color:var(--brand-blue);margin-bottom:8px}
.virtue-card p{font-size:12px;color:var(--text-gray);line-height:1.7}


/* 公司环境 */
.env-gallery{background:var(--pure-white)}
.env-categories{display:flex;gap:10px;justify-content:center;margin-bottom:40px;flex-wrap:wrap}
.env-cat-btn{padding:7px 22px;border:1px solid var(--border-light);background:#fff;border-radius:24px;font-size:14px;color:var(--text-gray);cursor:pointer;transition:all .25s;font-family:var(--sans)}
.env-cat-btn:hover{border-color:var(--brand-blue);color:var(--brand-blue)}
.env-cat-btn.active{background:var(--brand-blue);color:#fff;border-color:var(--brand-blue)}
.env-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

.env-item{border-radius:12px;overflow:hidden;position:relative;cursor:pointer;transition:all .35s;border:1px solid var(--border-light)}
.env-item:hover{transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.12)}
.env-item img{width:100%;height:220px;object-fit:cover;transition:transform .4s}
.env-item:hover img{transform:scale(1.05)}
.env-item-overlay{position:absolute;bottom:0;left:0;right:0;padding:16px 20px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff}
.env-item-overlay h4{font-size:15px;font-weight:500;margin-bottom:2px}
.env-item-overlay p{font-size:12px;opacity:.8}

/* ===== 以诚文化板块 ===== */
/* 序章总起区 */
.char-intro{text-align:center;max-width:820px;margin:0 auto 4.5rem;padding:2.5rem 0;position:relative}
.char-intro::before,.char-intro::after{content:"";position:absolute;left:50%;transform:translateX(-50%);width:80px;height:2px;background:linear-gradient(90deg,transparent,var(--accent-orange),transparent)}
.char-intro::before{top:0}
.char-intro::after{bottom:0}
.char-intro>p:first-child{font-family:var(--font-serif);font-size:1.2rem;color:var(--primary-dark);font-weight:500;margin-bottom:0.5rem}
.char-intro .poem-group{margin:1.8rem 0}
.char-intro .poem-line{font-family:var(--font-serif);font-size:1.2rem;color:var(--primary-blue);margin:0.6rem 0;letter-spacing:1px}
.char-intro .four-feature{margin:1.5rem 0;line-height:2.2;font-size:1.05rem}
.char-intro .core-summary{margin-top:1.5rem;color:var(--primary-blue);font-weight:500;font-size:1.05rem}

/* 四字分述区块 */
.char-section{margin-bottom:4rem;padding-left:1.8rem;border-left:3px solid var(--accent-orange);position:relative}
.char-title{font-family:var(--font-serif);font-size:1.9rem;font-weight:600;color:var(--primary-dark);margin-bottom:1rem;letter-spacing:1px}
.char-title .sep{color:var(--accent-orange);margin:0 0.6rem;font-weight:400}
.char-def{font-size:1.2rem;font-weight:600;color:var(--primary-blue);margin-bottom:1.2rem;padding-left:0.5rem;border-left:4px solid var(--primary-light)}
.char-section p{margin-bottom:0.9rem;color:var(--text-main);font-size:1.02rem}
.char-conclusion{margin-top:1.2rem;font-family:var(--font-serif);font-weight:600;color:var(--accent-orange);font-size:1.1rem;text-align:right;padding-right:1rem;letter-spacing:1px}

/* 闭环总结区 */
.char-closure{background-color:var(--bg-light);border-radius:12px;padding:3.5rem 3rem;margin-top:1rem;border:1px solid var(--border-light);text-align:center;position:relative}
.char-closure::before{content:"";position:absolute;top:20px;left:20px;right:20px;bottom:20px;border:1px solid rgba(255,122,0,0.15);border-radius:8px;pointer-events:none}
.char-closure h3{font-family:var(--font-serif);font-size:1.7rem;color:var(--primary-dark);margin-bottom:2rem;position:relative;padding-bottom:1rem;letter-spacing:2px}
.char-closure h3::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:2px;background:var(--accent-orange)}
.char-closure .core-line{font-family:var(--font-serif);font-size:1.25rem;color:var(--primary-blue);margin:1.2rem 0;font-weight:500;line-height:2.2}
.char-closure .highlight-line{color:var(--accent-orange);font-weight:600;font-size:1.15rem;margin:2rem 0;font-family:var(--font-serif);letter-spacing:1px}
.char-closure .slogan{font-family:var(--font-serif);font-size:1.35rem;color:var(--primary-dark);margin-top:2.5rem;font-weight:600;letter-spacing:2px}
.char-closure .final-tag{margin-top:1.5rem;color:var(--accent-orange);font-family:var(--font-serif);font-size:1.1rem;letter-spacing:1px}

.culture-meaning-hero{background:linear-gradient(135deg,var(--brand-blue-dark),var(--brand-blue));padding:60px 40px;text-align:center;color:#fff;border-radius:0 0 24px 24px;position:relative;overflow:hidden}
.culture-meaning-hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Ccircle cx='100' cy='100' r='80' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E");opacity:.5}
.culture-meaning-hero h1{font-family:var(--serif);font-size:42px;font-weight:700;margin-bottom:12px;letter-spacing:4px;position:relative}
.culture-meaning-hero p{font-size:16px;color:rgba(255,255,255,.7);max-width:680px;margin:0 auto;position:relative}
.culture-meaning-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:40px}
.culture-char-card{background:var(--paper-white);border:1px solid var(--line);border-radius:16px;padding:36px 32px;transition:all .35s;position:relative;overflow:hidden}
.culture-char-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(27,58,107,.12);border-color:var(--brand-blue-light)}
.culture-char-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--brand-orange),var(--brand-blue));opacity:0;transition:opacity .35s}
.culture-char-card:hover::before{opacity:1}
.culture-char-big{font-family:var(--serif);font-size:72px;font-weight:900;color:var(--brand-blue);line-height:1;margin-bottom:8px;opacity:.9}
.culture-char-pinyin{font-size:13px;color:var(--brand-orange);letter-spacing:3px;margin-bottom:16px;font-weight:500}
.culture-char-core{font-size:17px;font-weight:600;color:var(--charcoal);margin-bottom:10px;line-height:1.6}
.culture-char-extend{font-size:14px;color:var(--text-gray);line-height:1.9}
.culture-meaning-footer{margin-top:48px;text-align:center;padding:40px;background:var(--paper-white);border-radius:16px;border:1px solid var(--line)}
.culture-meaning-footer .calligraphy{font-family:var(--serif);font-size:32px;color:var(--brand-blue);font-weight:700;margin-bottom:12px;letter-spacing:6px}
.culture-meaning-footer p{font-size:14px;color:var(--text-gray);max-width:820px;margin:0 auto;line-height:1.9}
.culture-origin-quote{max-width:680px;margin:0 auto 20px;text-align:center;padding:28px 32px;background:var(--paper-white);border-radius:14px;border-left:4px solid var(--brand-orange);border-right:4px solid var(--brand-orange)}
.culture-origin-quote p{font-family:var(--serif);font-size:17px;color:var(--brand-blue);line-height:2;margin:0;letter-spacing:1px}
.culture-origin-quote .origin-quote-end{font-size:15px;color:var(--brand-orange);margin-top:6px;font-weight:600}
.culture-char-gallery{margin-top:40px}
.culture-gallery-title{font-family:var(--font-serif);text-align: center;font-size:1.7rem;color:var(--primary-dark);margin-bottom:2rem;position:relative;padding-bottom:1rem;letter-spacing:2px}
.culture-gallery-title::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:2px;background:var(--accent-orange)}
/* .culture-gallery-title{font-family:var(--serif);font-size:22px;color:var(--brand-blue);text-align:center;margin-bottom:24px;letter-spacing:2px} */
.culture-gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.culture-gallery-item{border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--paper-white);box-shadow:0 2px 8px rgba(0,0,0,.06)}
/* .culture-gallery-item img{width:100%;height:480px;object-fit:cover;display:block} */
.culture-gallery-item .newPicBox{position:relative;width:100%;height:0px;padding-bottom:140%;overflow:hidden;margin:0 auto}
.culture-gallery-item .newPicBox img{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(1);width:100%;height:auto;transition:all .5s ease}
.culture-gallery-item:hover .newPicBox img{transform:translate(-50%,-50%) scale(1.1)}


.culture-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:32px}
.culture-article-card{background:var(--paper-white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:all .35s;cursor:pointer}
.culture-article-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(27,58,107,.1)}
.culture-article-img{height:180px;overflow:hidden;position:relative}
.culture-article-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.culture-article-card:hover .culture-article-img img{transform:scale(1.05)}
.culture-article-body{padding:22px 24px 26px}
.culture-article-tag{display:inline-block;font-size:11px;color:var(--brand-orange);background:rgba(232,135,30,.1);padding:3px 10px;border-radius:4px;margin-bottom:10px;letter-spacing:1px}
.culture-article-body h4{font-size:16px;font-weight:600;color:var(--charcoal);margin-bottom:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.culture-article-body p{font-size:13px;color:var(--text-gray);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.culture-article-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-light)}
.culture-article-meta .read-link{color:var(--brand-blue);font-weight:500}
.culture-detail-content{max-width:820px;margin:0 auto}
.culture-detail-content h2{font-family:var(--serif);font-size:24px;color:var(--brand-blue);margin:36px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.culture-detail-content h3{font-size:18px;color:var(--charcoal);margin:28px 0 12px;font-weight:600}
.culture-detail-content p{font-size:15px;line-height:2;color:var(--text-gray);margin-bottom:16px}
.culture-detail-content blockquote{background:var(--paper-white);border-left:4px solid var(--brand-orange);padding:18px 24px;margin:24px 0;border-radius:0 8px 8px 0;font-family:var(--serif);font-size:16px;color:var(--brand-blue);line-height:1.9}
.culture-detail-content ul,.culture-detail-content ol{margin:16px 0 16px 24px}
.culture-detail-content li{font-size:15px;line-height:2;color:var(--text-gray);margin-bottom:8px}
.culture-detail-content .highlight{background:linear-gradient(transparent 60%,rgba(232,135,30,.25) 60%);font-weight:500;color:var(--charcoal)}
.culture-detail-content .article-inline-img{margin:28px 0;text-align:center}
.culture-detail-content .article-inline-img img{max-width:100%;border-radius:10px;box-shadow:0 4px 16px rgba(0,0,0,.1);display:inline-block}
.culture-detail-source{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-light);text-align:right}


/* 联系我们 */
.contact-section{background:var(--pure-white)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
.contact-info-card{background:linear-gradient(135deg,var(--brand-blue-dark),var(--brand-blue));border-radius:16px;padding:44px 32px;color:#fff;position:relative;overflow:hidden}
.contact-info-card::before{content:'';position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border:1px solid rgba(232,135,30,.15);border-radius:50%}
.contact-info-card h3{font-family:var(--serif);font-size:22px;margin-bottom:6px;position:relative}
.contact-info-card>p{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:32px;position:relative}
.contact-item{display:flex;gap:14px;margin-bottom:24px;position:relative}
.contact-item-icon{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-item-icon svg{width:18px;height:18px;stroke:var(--brand-orange-light);fill:none;stroke-width:2}
.contact-item-text .label{font-size:11px;color:rgba(255,255,255,.5);margin-bottom:2px}
.contact-item-text .value{font-size:14px;font-weight:500}
.contact-form-card{background:#fff;border-radius:16px;padding:36px;border:1px solid var(--border-light)}
.contact-form-card h3{font-family:var(--serif);font-size:22px;color:var(--brand-blue);margin-bottom:6px}
.contact-form-card>p{font-size:13px;color:var(--text-gray);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:13px;color:var(--charcoal);margin-bottom:5px;font-weight:500}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px 14px;border:1px solid var(--border-light);border-radius:8px;font-size:14px;font-family:var(--sans);transition:border-color .25s;background:#fff}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--brand-blue);box-shadow:0 0 0 3px rgba(27,58,107,.1)}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{width:100%;padding:13px;font-size:15px;margin-top:6px}

/* 底部版权 */
.footer{background:var(--brand-blue-dark);color:rgba(255,255,255,.7);padding:52px 24px 0}
.footer-inner{max-width:1320px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 0.85fr 0.85fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand img{height:60px;margin-bottom:14px;/*filter:brightness(0) invert(1);opacity:.9*/}
.footer-brand p{font-size:13px;line-height:1.8;margin-bottom:14px;text-align: justify;}
.footer-slogan{font-family:var(--serif);font-size:14px;color:var(--brand-orange-light);border-left:2px solid var(--brand-orange);padding-left:10px}
.footer-col h5{color:#fff;font-size:14px;margin-bottom:16px;font-weight:500}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:rgba(255,255,255,.6);text-decoration:none;font-size:13px;transition:color .25s}
.footer-col a:hover{color:var(--brand-orange-light)}
.footer-contact-item{font-size:13px;margin-bottom:10px;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:center;align-items:center;font-size:12px;flex-wrap:wrap;gap:10px}
.footer-bottom a{color:rgba(255,255,255,.7);}

.source-signal{display: none;}
@media(max-width:1400px) {
/* 业务中心 */
.service-block{padding: 35px 0;gap:36px;}

/* 新闻详情 */
.news-detail-header h1{font-size: 24px;}

/* 以诚文化 */
.culture-char-card{padding: 28px 26px;}
.culture-char-big{font-size: 66px;}

.section-hero{padding: 22px;}
.section-hero h3{font-size: 24px;}

.footer{padding:44px 20px 0}
}
@media(max-width:1200px) {
.about-full .about-grid,
.section-hero,
.culture-hero{margin-bottom: 35px;}

/* 以诚文化 */
.culture-meaning-grid{margin-top: 20px;gap: 14px;}
.culture-char-card{padding: 24px 22px;}
.culture-char-big{font-size: 48px;}
.culture-meaning-footer{margin-top: 30px;}
.culture-meaning-footer .calligraphy{font-size: 26px;}

.section-hero h3{font-size: 22px;}

.footer{padding:30px 15px 0}
}
@media(max-width:1100px) {

/* 关于以诚 */
.about-grid,.culture-hero{grid-template-columns:1fr;gap:36px}

/* 联系我们 */
.contact-grid{gap:20px}
.contact-info-card{padding:25px 15px;}
}
@media(max-width:960px) {


/* 业务中心 */
.service-block{padding: 20px 0;margin-bottom: 15px;gap:10px;grid-template-columns: 1fr;}

.services-grid{grid-template-columns:repeat(2,1fr)}

.features-grid,
.brand-grid{grid-template-columns:repeat(1,1fr)}
.device-grid,
.news-list-grid,
.env-grid,
.culture-article-grid{grid-template-columns:repeat(2,1fr)}

/* 设备中心 */
.product-top{grid-template-columns: 1fr;}

/* 新闻详情 */
.news-detail-header h1{font-size: 22px;}

.about-full .about-grid,
.section-hero,
.culture-hero{margin-bottom: 20px;}
.culture-virtues{gap: 10px}
.culture-virtues,.guarantee-grid,.product-package{grid-template-columns:repeat(2,1fr)}


/* 以诚文化 */
.culture-char-card{padding: 18px;}
.culture-char-big{font-size: 36px;}
.culture-meaning-footer{padding: 20px;margin-top: 20px;}
.culture-meaning-footer .calligraphy{font-size: 22px;}

.footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom: 25px;}
.footer-grid .footer-col.col1,
.footer-grid .footer-col.col2{display: none;}
.footer-bottom{padding: 10px 0;gap: 4px;}
.footer-bottom span:nth-child(2){display: none;}

/* 联系我们 */
.culture-origin-quote{margin-bottom: 10px;}
}
@media(max-width:768px){
.about-grid, .culture-hero{gap: 16px;}

.section-hero{padding: 14px;}

/* 设备中心 */
.product-promise{padding:20px 15px;}

/* 以诚文化 */
.culture-origin-quote{padding:15px;}
.culture-gallery-grid{grid-template-columns:repeat(2,1fr)}
.culture-origin-quote p{font-size:15px}

/* 联系我们 */
.contact-grid{grid-template-columns: 1fr;}

.news-detail-nav{flex-direction: column;align-items: flex-start;margin-top: 20px;gap: 10px;}
.news-detail-nav-item.right{text-align: left;}
}
@media(max-width:680px){
.footer-grid{grid-template-columns:1fr;padding-bottom: 15px;}
.services-grid,
.features-grid,
.brand-grid,
.news-list-grid,
.env-grid,
.culture-virtues,
.guarantee-grid,
.device-grid,
.product-package,
.culture-article-grid{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.page-banner-content h1{font-size:24px}
.page-banner-content p{font-size: 14px;}

.hero-title{font-size:30px}
.hero-stats{gap:20px}
.device-cats{overflow-x:auto;padding-bottom:8px}
.device-cat-btn{white-space:nowrap;flex-shrink:0}

/* 新闻详情 */
.news-detail-header h1{font-size: 20px;}
.news-detail-meta{flex-direction: column;align-items: flex-start;gap: 4px;}

.section-hero h3{font-size: 18px;}

/* 以诚文化 */
.culture-meaning-grid{grid-template-columns: repeat(1, 1fr);}
}
@media(max-width:480px){
.culture-origin-quote p{font-size: 13px;}
}
/* 返回顶部 */
#backTop{position:fixed;right:24px;bottom:32px;width:48px;height:48px;border-radius:50%;background:var(--brand-blue);color:#fff;border:none;box-shadow:0 8px 24px rgba(27,58,107,.35);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(16px);transition:all .35s;z-index:999}
#backTop svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
#backTop:hover{background:var(--brand-orange);transform:translateY(0)}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
@media screen and (max-width:680px) {
#backTop.show{opacity:0;visibility:hidden;transform: translateY(0);}
}
/* 分页 */
.pagination{display:flex;justify-content:center;margin-top:20px;margin-bottom:20px;}
.pagination a{display: inline-block;min-width:38px;height:38px;padding:0px 10px;margin:0 5px;border: 1px solid var(--border-light);background:#fff;color: var(--text-gray);font-size:14px;line-height:38px;border-radius:5px;cursor:pointer;transition:all .25s;text-align: center;font-family:var(--sans)}
.pagination span{color:var(--text-gray);font-size:14px;padding:8px 2px;margin:0 5px;border-radius:5px}
.pagination a:hover,
.pagination a.page-num-current{border-color:var(--brand-blue);color:var(--pure-white);background: var(--brand-blue);}
.pagination a.disabled{pointer-events: none;opacity:.4;cursor:not-allowed}
.pagination a.disabled:before{opacity: 0.4}
.pagination a.disabled:hover{background-color: #fff;color: var(--text-gray);border-color: var(--border-light)}
@media screen and (max-width:960px){
.pagination{margin-top:10px;margin-bottom:10px;}
.pagination a{padding: 0 4px;margin:0 3px;font-size:12px;line-height: 28px;height: 28px;}
.pagination span{padding:2px 4px;margin:0 3px;font-size:12px;} 
}

.ImprovingH3{text-align:center;font-size:18px;color:#333;padding: 30px 0;}