/* =========================================================
   新灿电子 官网前台样式
   Theme: 科技蓝清爽风
   Main Color: #1864F0  |  Aux Color: #00B4A8  |  Gray: #F5F7FA
   ========================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:14px;line-height:1.7;color:#333;background:#fff;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:all .2s}
a:hover{color:#1864F0}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4,h5{font-weight:600;color:#1a2233;line-height:1.3}

/* ========= 通用按钮 ========= */
.btn-primary,.btn-outline{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:6px;font-weight:500;font-size:14px;white-space:nowrap;transition:all .25s ease;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,#1864F0,#2C7BFF);color:#fff;box-shadow:0 4px 14px rgba(24,100,240,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(24,100,240,.35);color:#fff}
.btn-outline{border-color:#1864F0;color:#1864F0;background:#fff}
.btn-outline:hover{background:#1864F0;color:#fff;transform:translateY(-2px)}
.btn-primary.sm,.btn-outline.sm{padding:7px 16px;font-size:13px}
.btn-primary.lg,.btn-outline.lg{padding:14px 28px;font-size:15px}

/* ========= 顶部小条 ========= */
.top-bar{background:#0a3d91;color:rgba(255,255,255,.88);font-size:13px;height:36px;line-height:36px}
.top-bar .container{display:flex;justify-content:space-between;align-items:center}
.top-bar a{color:rgba(255,255,255,.9)}
.top-bar a:hover{color:#fff}
.top-right a{margin-left:18px}

/* ========= 主头部 ========= */
.main-header{background:#fff;position:sticky;top:0;z-index:99;border-bottom:1px solid rgba(24,100,240,.08);transition:all .3s}
.main-header.sticky{box-shadow:0 4px 24px rgba(10,61,145,.07)}
.main-header > .container{display:flex;align-items:center;height:80px}
.logo{display:flex;align-items:center;gap:14px;margin-right:48px;flex-shrink:0}
.logo-mark{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,#1864F0,#00B4A8);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:22px;letter-spacing:1px;box-shadow:0 4px 12px rgba(24,100,240,.25)}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-title{font-size:20px;font-weight:700;color:#0a3d91;letter-spacing:2px}
.logo-sub{font-size:12px;color:#64748b;margin-top:3px;letter-spacing:1px}
.main-nav{flex:1}
.main-nav > ul{display:flex;gap:8px}
.main-nav > ul > li{position:relative}
.main-nav > ul > li > a{display:block;padding:0 18px;height:80px;line-height:80px;font-size:15px;font-weight:500;color:#1e293b;position:relative}
.main-nav > ul > li > a::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;background:linear-gradient(90deg,#1864F0,#00B4A8);transition:all .3s}
.main-nav > ul > li > a:hover::after,.main-nav > ul > li.active > a::after{width:calc(100% - 36px);left:18px}
.main-nav > ul > li > a:hover,.main-nav > ul > li.active > a{color:#1864F0}
.header-action{display:flex;align-items:center;gap:12px}
.mobile-toggle{display:none;color:#333;font-size:24px;cursor:pointer;margin-left:16px}

/* ========= Banner 轮播 ========= */
.banner-section{position:relative;overflow:hidden}
.banner-slider{position:relative;height:580px}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;display:flex;align-items:center;color:#fff;background-size:cover;background-position:center}
.banner-slide.active{opacity:1;z-index:2}
.banner-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,61,145,.95) 0%,rgba(10,61,145,.7) 50%,rgba(10,61,145,.2) 100%)}
.banner-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;height:100%}
.banner-tag{display:inline-block;padding:6px 16px;border-radius:99px;background:rgba(255,255,255,.12);backdrop-filter:blur(10px);color:#7DD3FC;font-size:13px;letter-spacing:1px;margin-bottom:26px;border:1px solid rgba(255,255,255,.18)}
.banner-title{font-size:52px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:22px;letter-spacing:1px;animation:fadeUp .8s .2s both}
.banner-subtitle{font-size:18px;color:rgba(255,255,255,.88);line-height:1.7;margin-bottom:38px;max-width:580px;animation:fadeUp .8s .35s both}
.banner-actions{display:flex;gap:16px;animation:fadeUp .8s .5s both}
.banner-visual{position:relative;height:460px;animation:floatY 6s ease-in-out infinite}
.visual-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(0,180,168,.25) 0%,rgba(24,100,240,.12) 40%,transparent 70%);filter:blur(20px)}
.visual-card{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:280px;height:280px;border-radius:50%;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35),0 0 0 4px rgba(255,255,255,.12),0 0 60px rgba(0,180,168,.3);background:rgba(255,255,255,.05);clip-path:circle(50% at 50% 50%)}
.visual-card img{width:100%;height:100%;object-fit:cover;display:block}
.visual-dot{position:absolute;border-radius:50%;background:linear-gradient(135deg,#00B4A8,#1864F0);box-shadow:0 0 12px rgba(0,180,168,.6)}
.visual-dot.dot-1{width:12px;height:12px;top:20%;left:15%;animation:floatY 4s ease-in-out infinite}
.visual-dot.dot-2{width:8px;height:8px;top:75%;left:80%;animation:floatY 5s ease-in-out infinite .5s}
.visual-dot.dot-3{width:10px;height:10px;top:65%;left:10%;animation:floatY 4.5s ease-in-out infinite 1s}
.visual-dot.dot-4{width:6px;height:6px;top:15%;left:85%;animation:floatY 3.5s ease-in-out infinite 1.5s}
.banner-dots{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.banner-dots .dot{width:28px;height:4px;border-radius:2px;background:rgba(255,255,255,.35);cursor:pointer;transition:all .3s}
.banner-dots .dot.active{width:40px;background:#fff;box-shadow:0 0 12px rgba(255,255,255,.6)}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* ========= 核心数据 ========= */
.stats-section{margin-top:-50px;position:relative;z-index:10}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:#fff;padding:34px 30px;border-radius:16px;box-shadow:0 12px 40px rgba(10,61,145,.08);border:1px solid rgba(24,100,240,.06)}
.stat-item{display:flex;align-items:center;gap:20px;padding:10px 16px;border-right:1px solid #eef2f7}
.stat-item:last-child{border-right:0}
.stat-icon{width:60px;height:60px;border-radius:14px;background:linear-gradient(135deg,#EAF1FF,#D7F9F6);display:flex;align-items:center;justify-content:center;color:#1864F0;font-size:26px;flex-shrink:0;transition:transform .3s}
.stat-item:hover .stat-icon{transform:scale(1.08) rotate(-5deg)}
.stat-num{font-size:38px;font-weight:800;background:linear-gradient(135deg,#1864F0,#00B4A8);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:4px}
.stat-label{font-size:14px;color:#64748b}

/* ========= 通用Section ========= */
.section{padding:96px 0}
.section-tag{display:inline-block;font-size:13px;letter-spacing:3px;color:#1864F0;font-weight:600;padding:4px 12px;border-radius:4px;background:rgba(24,100,240,.08);margin-bottom:16px}
.section-tag.center{display:block;text-align:center;width:fit-content;margin-left:auto;margin-right:auto}
.section-title{font-size:36px;margin-bottom:14px;position:relative;padding-bottom:18px}
.section-title::after{content:"";position:absolute;bottom:0;left:0;width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,#1864F0,#00B4A8)}
.section-title.center::after{left:50%;transform:translateX(-50%)}
.section-title.center{text-align:center}
.section-subtitle{font-size:16px;color:#64748b;max-width:640px}
.section-subtitle.center{margin:0 auto}
.section-head{margin-bottom:54px}
.section-head.between{display:flex;justify-content:space-between;align-items:flex-end}
.bg-gray{background:linear-gradient(180deg,#F5F7FA 0%,#FFFFFF 100%)}

/* ========= 关于我们 ========= */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}
.about-image{position:relative;height:520px}
.about-img-box{position:absolute;border-radius:16px;overflow:hidden;box-shadow:0 16px 50px rgba(10,61,145,.1)}
.about-img-box.main{width:78%;height:85%;left:0;top:0}
.about-img-box.sub{width:50%;height:50%;right:0;bottom:0;border:8px solid #fff}
.about-15{position:absolute;left:20%;bottom:10%;border-radius:12px;background:linear-gradient(135deg,#1864F0,#00B4A8);color:#fff;padding:18px 24px;box-shadow:0 10px 30px rgba(24,100,240,.35);display:flex;align-items:center;gap:12px}
.about-15 strong{font-size:40px;font-weight:800;line-height:1}
.about-15 span{font-size:14px;line-height:1.4}
.about-badges{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0}
.badge-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:8px;background:#F5F9FF;border:1px solid rgba(24,100,240,.08);color:#1e293b;font-size:14px}
.badge-item i{color:#00B4A8;font-size:18px}
.about-actions{display:flex;gap:14px;margin-top:12px}
.about-text p{margin-bottom:14px;color:#475569;font-size:15px;line-height:1.9}
.about-text strong{color:#0a3d91}

/* 占位图（可换成真实图片） */
.placeholder-img{width:100%;height:100%;min-height:220px;background:linear-gradient(135deg,#EAF1FF 0%,#F0FDF9 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#1864F0;gap:10px;font-weight:500;text-align:center;padding:20px}
.placeholder-img i{font-size:64px;opacity:.6}
.placeholder-img em{font-size:12px;color:#94a3b8;font-style:normal;margin-top:4px;display:block}
.placeholder-img.factory{background:linear-gradient(135deg,#1864F0 0%,#00B4A8 100%);color:#fff}
.placeholder-img.factory i,.placeholder-img.team i,.placeholder-img.news i{opacity:1}
.placeholder-img.factory span,.placeholder-img.team span{color:rgba(255,255,255,.92);font-size:15px}
.placeholder-img.prod{min-height:200px;background:linear-gradient(135deg,#E3ECFF 0%,#CCFBF1 100%)}
.placeholder-img.prod i{font-size:56px}
.placeholder-img.prod span{font-size:13px}
.placeholder-img.cert{min-height:210px;background:linear-gradient(135deg,#FFF 0%,#F5F9FF 100%);border:1px dashed rgba(24,100,240,.3)}
.placeholder-img.cert i{font-size:52px;color:#F59E0B}
.placeholder-img.news{min-height:300px;background:linear-gradient(135deg,#1864F0,#3B82F6);color:#fff}
.placeholder-img.news-sm{min-height:86px;background:linear-gradient(135deg,#EAF1FF,#D7F9F6);font-size:12px}
.placeholder-img.news-sm i{font-size:28px}

/* ========= 产品分类 ========= */
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.category-card{background:#fff;padding:34px 24px;border-radius:14px;border:1px solid #eef2f7;transition:all .35s ease;display:block;position:relative;overflow:hidden}
.category-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,#1864F0,#00B4A8);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.category-card:hover{transform:translateY(-8px);box-shadow:0 20px 48px rgba(24,100,240,.12);border-color:transparent}
.category-card:hover::before{transform:scaleX(1)}
.cat-icon{width:66px;height:66px;border-radius:14px;background:linear-gradient(135deg,#1864F0,#2C7BFF);display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;margin-bottom:20px;box-shadow:0 8px 20px rgba(24,100,240,.25);transition:transform .35s}
.category-card:hover .cat-icon{transform:rotate(-6deg) scale(1.06)}
.cat-name{font-size:18px;color:#1a2233;margin-bottom:6px}
.cat-ename{font-size:12px;color:#94a3b8;letter-spacing:1px;margin-bottom:12px}
.cat-desc{font-size:13px;color:#64748b;line-height:1.7;min-height:66px;margin-bottom:16px}
.cat-more{color:#1864F0;font-size:13px;font-weight:500;display:inline-flex;align-items:center}
.cat-more i{margin-left:4px;transition:transform .2s}
.category-card:hover .cat-more i{transform:translateX(5px)}

/* ========= 产品列表卡片 ========= */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid #eef2f7;transition:all .35s;display:block}
.product-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(10,61,145,.12);border-color:transparent}
.product-img{position:relative;width:100%;aspect-ratio:16/11;overflow:hidden;background:#F5F7FA}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .product-img img{transform:scale(1.08)}
.product-tag-new,.product-tag-hot{position:absolute;top:14px;left:14px;padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;letter-spacing:.5px}
.product-tag-new{background:linear-gradient(135deg,#00B4A8,#059669);color:#fff}
.product-tag-hot{background:linear-gradient(135deg,#EF4444,#F59E0B);color:#fff;left:auto;right:14px}
.product-body{padding:22px 20px 20px}
.product-model{font-size:12px;color:#1864F0;font-weight:600;letter-spacing:1px;margin-bottom:8px;display:inline-block;padding:3px 10px;border-radius:4px;background:rgba(24,100,240,.08)}
.product-name{font-size:15px;color:#1a2233;line-height:1.4;margin-bottom:14px;min-height:44px}
.product-spec-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px dashed #eef2f7}
.product-spec-list span{font-size:12px;padding:4px 10px;border-radius:4px;background:#F5F7FA;color:#64748b}
.product-actions{display:flex;gap:10px}
.p-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:6px;font-size:13px;font-weight:500;transition:all .2s;border:1px solid #e2e8f0;color:#475569;background:#fff}
.p-btn:hover{border-color:#1864F0;color:#1864F0}
.p-btn.primary{background:linear-gradient(135deg,#1864F0,#2C7BFF);color:#fff;border-color:transparent}
.p-btn.primary:hover{color:#fff;box-shadow:0 6px 18px rgba(24,100,240,.28)}

/* ========= 生产实力 Tab ========= */
.strength-tabs{display:flex;justify-content:center;gap:18px;margin-bottom:44px}
.strength-tab{padding:12px 32px;border-radius:99px;background:#fff;border:1px solid #e2e8f0;color:#64748b;font-size:15px;cursor:pointer;transition:all .25s;user-select:none}
.strength-tab:hover{color:#1864F0;border-color:#1864F0}
.strength-tab.active{background:linear-gradient(135deg,#1864F0,#2C7BFF);color:#fff;border-color:transparent;box-shadow:0 8px 24px rgba(24,100,240,.25)}
.strength-panel{display:none;animation:fadeUp .5s}
.strength-panel.active{display:block}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.strength-card{background:#fff;border-radius:14px;padding:18px;border:1px solid #eef2f7;transition:all .3s}
.strength-card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(10,61,145,.08)}
.strength-img{width:100%;aspect-ratio:4/3;border-radius:10px;overflow:hidden;margin-bottom:16px}
.strength-card h4{font-size:16px;margin-bottom:8px;color:#1a2233}
.strength-card p{font-size:13px;color:#64748b;line-height:1.7}

/* ========= 证书横向滚动 ========= */
.cert-scroll{overflow:hidden;position:relative}
.cert-track{display:flex;gap:24px;animation:certMove 30s linear infinite;will-change:transform}
.cert-scroll:hover .cert-track{animation-play-state:paused}
@keyframes certMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.cert-card{flex:0 0 220px;background:#fff;border-radius:12px;padding:18px;border:1px solid #eef2f7;text-align:center;transition:all .3s}
.cert-card:hover{transform:translateY(-6px);box-shadow:0 14px 36px rgba(10,61,145,.1)}
.cert-img{min-height:150px;border-radius:8px;margin-bottom:14px}
.cert-name{font-size:14px;font-weight:600;color:#1a2233;margin-bottom:4px}
.cert-org{font-size:12px;color:#94a3b8}

/* ========= 新闻动态 ========= */
.news-tabs-sm{display:flex;align-items:center;gap:20px}
.news-tabs-sm span{padding:6px 2px;font-size:15px;color:#64748b;cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}
.news-tabs-sm span.active{color:#1864F0;border-color:#1864F0}
.more-link{color:#1864F0;font-size:14px;font-weight:500}
.news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px}
.news-big-card{display:block;background:#fff;border-radius:14px;overflow:hidden;border:1px solid #eef2f7;transition:all .3s}
.news-big-card:hover{box-shadow:0 18px 46px rgba(10,61,145,.1);transform:translateY(-5px)}
.news-big-img{width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:0}
.news-big-body{padding:26px}
.news-cat-tag{display:inline-block;padding:3px 10px;border-radius:4px;background:rgba(24,100,240,.1);color:#1864F0;font-size:12px;font-weight:600;margin-bottom:12px}
.news-cat-tag.sm{padding:2px 8px;font-size:11px}
.news-cat-tag.industry{background:rgba(0,180,168,.12);color:#059669}
.news-big-title{font-size:22px;color:#1a2233;line-height:1.4;margin-bottom:12px;min-height:62px}
.news-big-desc{font-size:14px;color:#64748b;line-height:1.8;margin-bottom:18px;min-height:52px}
.news-meta{display:flex;gap:18px;font-size:13px;color:#94a3b8}
.news-meta i{margin-right:5px;color:#CBD5E1}
.news-meta.sm{font-size:12px;margin-top:6px}
.news-list-col{display:flex;flex-direction:column;gap:16px}
.news-sm-card{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:14px;background:#fff;border-radius:12px;border:1px solid #eef2f7;transition:all .25s}
.news-sm-card:hover{box-shadow:0 10px 28px rgba(10,61,145,.07);transform:translateX(6px)}
.news-sm-img{border-radius:8px;overflow:hidden;min-height:86px}
.news-sm-body h5{font-size:14px;color:#1a2233;line-height:1.5;margin-bottom:6px;min-height:44px}

/* ========= CTA Bar ========= */
.cta-bar{background:linear-gradient(135deg,#0a3d91 0%,#1864F0 100%);color:#fff;padding:44px 0;position:relative;overflow:hidden}
.cta-bar::before{content:"";position:absolute;right:-100px;top:-80px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(0,180,168,.25),transparent 60%)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;z-index:2}
.cta-left h3{font-size:26px;color:#fff;margin-bottom:8px}
.cta-left p{color:rgba(255,255,255,.82);font-size:15px}
.cta-right{display:flex;align-items:center;gap:24px}
.cta-phone{display:flex;align-items:center;gap:14px;padding:12px 24px;border-radius:10px;background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15)}
.cta-phone i{font-size:30px;color:#7DD3FC}
.cta-phone .label{display:block;font-size:12px;color:rgba(255,255,255,.72)}
.cta-phone strong{font-size:22px;color:#fff;letter-spacing:1px;font-weight:700}
.cta-bar .btn-primary{background:#fff;color:#1864F0;font-weight:600;box-shadow:none}
.cta-bar .btn-primary:hover{background:#00B4A8;color:#fff;transform:translateY(-2px)}

/* ========= Footer ========= */
.main-footer{background:#0A1428;color:#cbd5e1;padding:80px 0 0;margin-top:0}
.footer-wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.07)}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-logo .logo-mark{width:42px;height:42px;font-size:20px}
.footer-logo .logo-title{color:#fff;font-size:18px}
.footer-logo .logo-sub{color:#94a3b8;font-size:11px}
.footer-desc{font-size:13px;line-height:1.9;color:#94a3b8;margin-bottom:22px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:8px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;color:#cbd5e1;font-size:16px;transition:all .25s}
.footer-social a:hover{background:#1864F0;color:#fff;transform:translateY(-3px)}
.footer-menu h5{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:14px}
.footer-menu h5::after{content:"";position:absolute;bottom:0;left:0;width:28px;height:2px;background:linear-gradient(90deg,#1864F0,#00B4A8);border-radius:2px}
.footer-menu ul li{font-size:14px;margin-bottom:10px}
.footer-menu ul li a{color:#94a3b8}
.footer-menu ul li a:hover{color:#1864F0;padding-left:5px}
.contact-list li{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:13px;line-height:1.7;color:#94a3b8}
.contact-list i{width:20px;color:#1864F0;font-size:15px;margin-top:3px}
.footer-bottom{padding:20px 0;font-size:13px;color:#64748b}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom a{color:#64748b}
.footer-bottom a:hover{color:#1864F0}
.footer-bottom .tech{opacity:.6}

/* ========= 移动端底部电话条 ========= */
.mobile-bottom-bar{display:none;position:fixed;left:0;right:0;bottom:0;background:#fff;box-shadow:0 -3px 16px rgba(0,0,0,.08);z-index:99;padding:8px;grid-template-columns:1fr 1fr 1fr;gap:8px}
.mobile-bottom-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 4px;border-radius:6px;font-size:12px;color:#64748b}
.mobile-bottom-bar a i{font-size:18px}
.mobile-bottom-bar a.highlight{background:linear-gradient(135deg,#1864F0,#00B4A8);color:#fff}

/* ========= 404 ========= */
.section-404{padding:120px 0;text-align:center}
.section-404 h1{font-size:120px;background:linear-gradient(135deg,#1864F0,#00B4A8);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:20px}
.section-404 p{font-size:18px;color:#64748b;margin-bottom:30px}

/* ========== 留言表单 ========== */
.contact-form-wrap{background:#fff;border-radius:16px;padding:40px;border:1px solid #eef2f7;box-shadow:0 14px 40px rgba(10,61,145,.05)}
.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.contact-form .form-row.one{grid-template-columns:1fr}
.form-field label{display:block;margin-bottom:8px;font-size:14px;font-weight:500;color:#334155}
.form-field label .req{color:#EF4444;margin-left:3px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border:1px solid #dbe2ea;border-radius:8px;font-size:14px;font-family:inherit;background:#fff;transition:all .2s;outline:none
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:#1864F0;box-shadow:0 0 0 4px rgba(24,100,240,.1)}
.form-field textarea{min-height:140px;resize:vertical}
.form-submit{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:10px}
.form-hint{font-size:12px;color:#94a3b8}

/* ========= 消息提示 flash ========= */
.flash-msg{padding:14px 18px;border-radius:8px;margin-bottom:24px;font-size:14px;display:flex;align-items:center;gap:10px}
.flash-msg.success{background:#ECFDF5;border:1px solid #A7F3D0;color:#065F46}
.flash-msg.error{background:#FEF2F2;border:1px solid #FECACA;color:#991B1B}

/* ========= 产品详情 ========= */
.breadcrumb{padding:20px 0;font-size:13px;color:#94a3b8;border-bottom:1px solid #f1f5f9}
.breadcrumb a,.breadcrumb span{display:inline-block;margin:0 4px}
.breadcrumb a:hover{color:#1864F0}

/* ================================================================
   响应式 - 平板电脑
   ================================================================ */
@media (max-width:1080px){
  .container{max-width:100%;padding:0 16px}
  .main-nav > ul > li > a{padding:0 12px;font-size:14px}
  .category-grid,.product-grid,.strength-grid{grid-template-columns:repeat(3,1fr)}
  .footer-wrap{grid-template-columns:1.3fr 1fr 1fr}
  .footer-col.footer-contact{grid-column:1 / -1}
  .about-grid,.news-grid{grid-template-columns:1fr;gap:40px}
  .banner-inner{grid-template-columns:1fr;gap:20px}
  .banner-visual{display:none}
  .banner-title{font-size:38px}
}

/* 友情链接 */
.friend-links-section{background:#f1f5f9;padding:28px 0}
.friend-links-inner{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:#64748b}
.friend-links-inner .fl-title{font-weight:600;color:#475569}
.friend-links-inner a{color:#64748b;text-decoration:none;transition:color .2s}
.friend-links-inner a:hover{color:#1864F0}
.friend-links-inner .fl-divider{color:#cbd5e1;margin:0 2px}

/* 相关产品(紧凑卡片) */
.related-grid{grid-template-columns:repeat(4,1fr) !important;gap:18px !important}
.related-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #eef2f7;border-radius:10px;padding:10px;transition:all .25s}
.related-card:hover{border-color:#1864F0;box-shadow:0 8px 24px rgba(24,100,240,.1)}
.related-img{width:70px;height:70px;border-radius:8px;overflow:hidden;background:#F5F7FA;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.related-img img{width:100%;height:100%;object-fit:cover}
.related-body{flex:1;min-width:0}
.related-model{font-size:12px;color:#1864F0;font-weight:600;margin-bottom:2px}
.related-name{font-size:13px;color:#334155;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ================================================================
   响应式 - 手机端
   ================================================================ */
@media (max-width:768px){
  .top-bar{display:none}
  .main-header > .container{height:64px}
  .main-nav,.header-action{display:none}
  .mobile-toggle{display:block}
  .mobile-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100}
  .mobile-mask.show{display:block}
  .main-nav.show{display:block;position:fixed;top:0;right:0;width:78%;max-width:320px;height:100vh;background:#fff;z-index:101;overflow-y:auto;padding:80px 20px 20px;box-shadow:-8px 0 20px rgba(0,0,0,.1)}
  .main-nav.show > ul{flex-direction:column;gap:0}
  .main-nav.show > ul > li > a{height:50px;line-height:50px;padding:0 14px;border-bottom:1px solid #f1f5f9}
  .main-nav.show > ul > li > a::after{display:none}

  .banner-slider{height:460px}
  .banner-title{font-size:30px}
  .banner-subtitle{font-size:15px;margin-bottom:26px}
  .banner-actions{flex-direction:column;align-items:flex-start}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;padding:20px}
  .stat-item{padding:8px 6px;border:none;flex-direction:column;align-items:flex-start;gap:6px}
  .stat-icon{width:46px;height:46px;font-size:20px}
  .stat-num{font-size:28px}

  .section{padding:60px 0}
  .section-title{font-size:26px}
  .section-head.between{flex-direction:column;align-items:flex-start;gap:18px}
  .about-image{height:340px}
  .category-grid,.product-grid,.strength-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .strength-tabs{flex-wrap:wrap;gap:10px}
  .strength-tab{padding:8px 18px;font-size:13px}
  .news-tabs-sm{flex-wrap:wrap;gap:12px}
  .news-grid{grid-template-columns:1fr}
  .news-sm-card{grid-template-columns:90px 1fr;gap:12px}
  .news-sm-body h5{min-height:auto}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-right{flex-direction:column;width:100%}
  .cta-phone,.cta-right .btn-primary{width:100%;justify-content:center}
  .footer-wrap{grid-template-columns:1fr 1fr;gap:30px}
  .footer-col.footer-about{grid-column:1 / -1}
  .footer-bottom .container{flex-direction:column;gap:8px;text-align:center}
  .contact-form .form-row{grid-template-columns:1fr}
  .mobile-bottom-bar{display:grid}
  body{padding-bottom:70px}
  .cert-card{flex:0 0 160px}
}