/* ============================================================
   越加红电子官网 · 全站样式  style.css
   设计系统 + 全站组件 + 响应式
   纯静态，无外部依赖，明天即可运行
   ============================================================ */

/* ---------- 1. 设计 Token（CSS 变量） ----------
   配色依据：越加红VI手册（2018-12-24）
   · 主色 PANTONE 185C 正红 #E60012（RGB 230/0/18）
   · 辅助 金属金 PANTONE 876C #85714B、深灰 COOL GRAY 10C、中灰 K50、纯黑
   · 调性"白底点红"：白为主、红为焦点，墨色承载，金少量点缀
   · VI 体系无蓝无青，原 --tech-blue/--accent-teal 已重映射为墨色/金色
   ---------- */
:root{
  /* 品牌主色（VI 正红） */
  --brand-red:#E60012;
  --brand-red-dark:#C2000F;
  --brand-red-light:#FDECEE;
  /* 墨色阶（VI 灰黑系，原"科技蓝"→近黑/深灰，承载标题与深色区块） */
  --tech-blue:#1A1A1A;
  --tech-blue-2:#2C2C2C;
  --tech-blue-3:#555555;
  /* VI 金属金（点缀 / 荣誉 / 实验室高端感） */
  --brand-gold:#85714B;
  --brand-gold-light:#FAF6EF;
  /* 点缀色（=VI 金，替代原青色；变量名沿用以免大改引用） */
  --accent-teal:#85714B;
  --accent-teal-light:#FAF6EF;
  /* 中性灰阶（VI 灰系，无蓝调，对比度均达 WCAG AA） */
  --bg-light:#F5F5F5;
  --bg-white:#FFFFFF;
  --bg-dark:#1A1A1A;
  --text-1:#1A1A1A;
  --text-2:#4A4A4A;
  --text-3:#6E6E6E;
  --text-inv:#FFFFFF;
  --border:#E5E7EB;
  --border-2:#EFEFEF;
  /* 功能语义色（非品牌色，仅用于 UI 状态反馈） */
  --success:#16A34A;
  --warning:#F59E0B;
  /* 阴影（中性黑，原蓝调阴影已去除） */
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow:0 2px 8px rgba(0,0,0,.10);
  --shadow-md:0 6px 20px rgba(0,0,0,.12);
  --shadow-lg:0 12px 32px rgba(0,0,0,.18);
  /* 圆角 */
  --r-sm:4px;
  --r:8px;
  --r-lg:12px;
  --r-xl:20px;
  /* 间距（8 的倍数体系，4px 为最小半步） */
  --sp-1:4px; --sp-2:8px; --sp-3:16px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:80px;
  /* 布局 */
  --container:1200px;
  --header-h:72px;
  /* 动效 */
  --ease:cubic-bezier(.4,0,.2,1);
  --t-fast:.15s;
  --t:.25s;
  /* 字体 */
  --font-zh:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-en:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"SF Mono","JetBrains Mono","Consolas",monospace;
}

/* ---------- 2. Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.7;
  color:var(--text-1);
  background:var(--bg-white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t-fast) var(--ease)}
a:hover{color:var(--brand-red)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{line-height:1.3;font-weight:700;color:var(--tech-blue)}
/* 字体层级精简为 3 级：h1 大标题 / h2 区块标题 / h3-h4 正文标题 */
h1{font-size:36px;letter-spacing:-.5px}
h2{font-size:26px}
h3,h4,h5{font-size:20px}
::selection{background:var(--brand-red);color:#fff}

/* ---------- 3. 布局工具 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-8) 0}
.section-sm{padding:var(--sp-7) 0}
.bg-light{background:var(--bg-light)}
.bg-dark{background:var(--tech-blue);color:#fff}
.bg-dark h1,.bg-dark h2,.bg-dark h3,.bg-dark h4{color:#fff}
.flex{display:flex}
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.center{text-align:center}
.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-5{margin-top:24px}.mt-6{margin-top:32px}
.mb-4{margin-bottom:16px}.mb-5{margin-bottom:24px}.mb-6{margin-bottom:32px}

/* 区块标题 */
.sec-head{max-width:720px;margin:0 auto var(--sp-7);text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--brand-red);font-weight:600;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{margin-bottom:16px}
.sec-head p{color:var(--text-2);font-size:17px}
.sec-head.left{text-align:left;margin-left:0}
.title-bar{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:var(--sp-6);flex-wrap:wrap;gap:16px}
.title-bar h2{position:relative;padding-left:16px}
.title-bar h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;background:var(--brand-red);border-radius:2px}
/* 居中标题块（sec-head）内：中文标题去 flex、去竖条，与英文眉题 / 描述共一条中轴对齐 */
.sec-head .title-bar{display:block;text-align:center;margin-bottom:16px}
.sec-head.left .title-bar{text-align:left}

/* ---------- 4. 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--r-sm);font-weight:600;font-size:15px;transition:all var(--t) var(--ease);white-space:nowrap;cursor:pointer;line-height:1.2}
.btn-primary{background:var(--brand-red);color:#fff}
.btn-primary:hover{background:var(--brand-red-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(230,0,18,.3)}
.btn-blue{background:var(--tech-blue);color:#fff}
.btn-blue:hover{background:var(--tech-blue-2);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--tech-blue);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--brand-red);color:var(--brand-red)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-outline-light:hover{background:#fff;color:var(--tech-blue);border-color:#fff}
.btn-lg{padding:16px 36px;font-size:16px}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 5. 顶栏 ---------- */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-2);z-index:1000;transition:box-shadow var(--t) var(--ease)}
.header.scrolled{box-shadow:var(--shadow)}
.header-inner{height:100%;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:8px;background:linear-gradient(135deg,var(--brand-red),var(--brand-red-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px;font-family:var(--font-en)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text .cn{font-size:18px;font-weight:700;color:var(--tech-blue);letter-spacing:1px}
.logo-text .en{font-size:10px;color:var(--text-3);letter-spacing:1.5px;font-family:var(--font-en)}
.logo-img{height:55px;width:auto;display:block}
.footer .logo-img{height:72px}

/* 主导航 */
.nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:10px 14px;font-size:15px;color:var(--text-1);font-weight:500;border-radius:var(--r-sm);transition:all var(--t-fast)}
.nav-link:hover,.nav-item.active .nav-link{color:var(--brand-red);background:var(--brand-red-light)}
.nav-link .caret{font-size:10px;transition:transform var(--t)}
.nav-item:hover .caret{transform:rotate(180deg)}
/* 下拉菜单 */
.dropdown{position:absolute;top:100%;left:0;min-width:180px;background:#fff;border:1px solid var(--border-2);border-radius:var(--r);box-shadow:var(--shadow-md);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--t) var(--ease)}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 14px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2)}
.dropdown a:hover{background:var(--bg-light);color:var(--brand-red)}

/* 顶栏工具区 */
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center;background:var(--bg-light);border:1.5px solid transparent;border-radius:24px;padding:0 16px;height:40px;width:220px;transition:all var(--t)}
.search-box:focus-within{border-color:var(--brand-red);background:#fff;box-shadow:0 0 0 3px var(--brand-red-light);width:260px}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0}
.search-box input{flex:1;border:none;background:none;outline:none;font-size:14px;margin-left:8px}
.search-box input::placeholder{color:var(--text-3)}

/* 询价车角标 */
.cart-btn{position:relative;width:40px;height:40px;border-radius:50%;background:var(--bg-light);display:flex;align-items:center;justify-content:center;transition:all var(--t)}
.cart-btn:hover{background:var(--brand-red-light)}
.cart-btn svg{width:18px;height:18px;color:var(--tech-blue)}
.cart-badge{position:absolute;top:-2px;right:-2px;background:var(--brand-red);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid #fff}
.cart-badge.hidden{display:none}

/* 语言切换 */
.lang{font-size:13px;color:var(--text-3);font-family:var(--font-en)}
.lang .active{color:var(--tech-blue);font-weight:600}

/* 汉堡菜单按钮 */
.menu-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-toggle span{width:22px;height:2px;background:var(--tech-blue);border-radius:2px;transition:all var(--t)}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动端抽屉菜单 */
.mobile-nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;z-index:999;transform:translateX(100%);transition:transform var(--t) var(--ease);overflow-y:auto;padding:16px 24px 100px}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav .m-group{border-bottom:1px solid var(--border-2)}
.mobile-nav .m-link{display:flex;align-items:center;justify-content:space-between;padding:14px 0;font-size:16px;font-weight:500;color:var(--text-1)}
.mobile-nav .m-sub{padding-bottom:12px;display:none}
.mobile-nav .m-group.open .m-sub{display:block}
.mobile-nav .m-sub a{display:block;padding:8px 16px;font-size:14px;color:var(--text-2)}
.mobile-nav .m-cta{display:flex;gap:12px;margin-top:20px}
.mobile-nav .m-cta .btn{flex:1}

/* ---------- 6. 页脚 ---------- */
.footer{background:var(--tech-blue);color:rgba(255,255,255,.7);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer h4{color:#fff;font-size:16px;margin-bottom:20px}
.footer-brand .logo-text .cn{color:#fff}
.footer p{font-size:14px;line-height:1.9}
.footer li{margin-bottom:10px}
.footer li a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--t-fast)}
.footer li a:hover{color:#fff}
.footer-contact .fci{display:flex;gap:10px;margin-bottom:12px;font-size:14px;align-items:flex-start}
.footer-contact .fci svg{width:16px;height:16px;color:var(--brand-red);flex-shrink:0;margin-top:3px}
.footer-qrcode{display:flex;gap:16px;margin-top:16px}
.footer-qrcode .qr{width:84px;height:84px;background:#fff;border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:11px;text-align:center;padding:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;align-items:center;font-size:13px;flex-wrap:wrap;gap:12px}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- 7. 通用页面 Banner（内页顶部） ---------- */
.page-banner{background:#161616;color:#fff;padding:calc(var(--header-h) + 60px) 0 56px;position:relative;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(133,113,75,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(133,113,75,.09) 1px,transparent 1px);background-size:38px 38px;-webkit-mask-image:linear-gradient(120deg,#000 25%,transparent 78%);mask-image:linear-gradient(120deg,#000 25%,transparent 78%);opacity:.9}
.page-banner::after{content:"";position:absolute;right:-140px;top:-50px;width:480px;height:54px;background:linear-gradient(90deg,transparent,rgba(230,0,18,.55),transparent);transform:rotate(-16deg);filter:blur(7px)}
.page-banner .container{position:relative;z-index:1}
.page-banner .pb-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2.5px;font-weight:600;color:#fff;background:rgba(230,0,18,.13);border:1px solid rgba(230,0,18,.55);padding:5px 14px;border-radius:20px;text-transform:uppercase;margin-bottom:18px;animation:heroIn .7s var(--ease) both;animation-delay:.15s}
.page-banner .pb-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-red);box-shadow:0 0 0 3px rgba(230,0,18,.3)}
.page-banner h1{color:#fff;font-size:42px;font-weight:800;letter-spacing:.5px;margin-bottom:14px;line-height:1.2;animation:heroIn .8s var(--ease) both;animation-delay:.25s}
.page-banner h1 .hl{color:#D4A85F}
.page-banner p{font-size:16px;color:rgba(255,255,255,.8);max-width:680px;line-height:1.7;animation:heroIn .8s var(--ease) both;animation-delay:.35s}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.5);margin-bottom:20px;letter-spacing:.5px;animation:heroIn .6s var(--ease) both;animation-delay:.05s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:var(--brand-gold);opacity:.7}

/* ---------- 8. 卡片 ---------- */
.card{background:#fff;border:1px solid var(--border-2);border-radius:var(--r);overflow:hidden;transition:all var(--t) var(--ease);position:relative}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent}

/* 产品卡 */
.product-card{background:#fff;border:1px solid var(--border-2);border-radius:var(--r);overflow:hidden;transition:all var(--t) var(--ease);display:flex;flex-direction:column}
.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.product-thumb{aspect-ratio:4/3;background:linear-gradient(135deg,var(--tech-blue),var(--tech-blue-3));display:flex;align-items:center;justify-content:center;position:relative}
.product-thumb .ph-label{color:rgba(255,255,255,.95);font-weight:700;font-size:18px;text-align:center;padding:16px;font-family:var(--font-en);letter-spacing:.5px}
.product-thumb .ph-sub{display:block;font-size:12px;font-weight:400;opacity:.7;margin-top:4px;letter-spacing:0;font-family:var(--font-zh)}
.product-thumb .stock-dot{position:absolute;top:12px;right:12px;background:rgba(255,255,255,.95);color:var(--success);font-size:11px;font-weight:600;padding:3px 10px;border-radius:20px;display:flex;align-items:center;gap:5px}
.product-thumb .stock-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}
.product-thumb .stock-dot.warn{color:var(--warning)}
.product-thumb .stock-dot.warn::before{background:var(--warning)}
.product-body{padding:16px;flex:1;display:flex;flex-direction:column}
.product-body .brand-tag{font-size:12px;color:var(--brand-red);font-weight:600;margin-bottom:6px}
.product-body h4{font-size:16px;margin-bottom:8px;color:var(--text-1)}
.product-body .params{font-size:12px;color:var(--text-3);line-height:1.7;margin-bottom:12px;flex:1}
.product-body .params span{display:inline-block;margin-right:10px}
.product-body .actions{display:flex;gap:8px}
.product-body .actions .btn{flex:1;padding:8px;font-size:13px}

/* 品牌卡 */
.brand-card{background:#fff;border:1px solid var(--border-2);border-radius:var(--r);padding:24px;text-align:center;transition:all var(--t) var(--ease);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:120px}
.brand-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--brand-red)}
.brand-card .brand-logo{font-size:20px;font-weight:800;color:var(--tech-blue);font-family:var(--font-en);letter-spacing:.5px;margin-bottom:10px;display:flex;align-items:center;justify-content:center;min-height:48px;width:100%}
.brand-card .brand-logo-img{max-width:100%;max-height:52px;width:auto;height:auto;object-fit:contain;display:block}
.brand-card .brand-logo-fallback{display:none}
.brand-card .brand-cn{font-size:13px;color:var(--text-3)}
.brand-card.featured{background:linear-gradient(135deg,var(--brand-red-light),#fff);border-color:var(--brand-red)}

/* 方案卡 / 服务卡 */
.feature-card{background:#fff;border:1px solid var(--border-2);border-radius:var(--r-lg);padding:28px;transition:all var(--t) var(--ease);height:100%}
.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent}
.feature-card .fc-icon{width:52px;height:52px;border-radius:12px;background:var(--brand-red-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-card .fc-icon svg{width:26px;height:26px;color:var(--brand-red)}
.feature-card.teal .fc-icon{background:var(--accent-teal-light)}
.feature-card.teal .fc-icon svg{color:var(--accent-teal)}
.feature-card.blue .fc-icon{background:#F0F0F0}
.feature-card.blue .fc-icon svg{color:var(--tech-blue)}
.feature-card h4{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:14px}
.feature-card .fc-more{font-size:14px;color:var(--brand-red);font-weight:600;display:inline-flex;align-items:center;gap:4px}

/* 图标卡片（业务支柱/数据） */
.pillar{background:#fff;border:1px solid var(--border-2);border-radius:var(--r-lg);padding:36px 28px;text-align:center;transition:all var(--t) var(--ease);position:relative;overflow:hidden}
.pillar::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-red);transform:scaleX(0);transition:transform var(--t) var(--ease);transform-origin:left}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pillar:hover::before{transform:scaleX(1)}
.pillar .p-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:16px;background:linear-gradient(135deg,var(--brand-red),var(--brand-red-dark));display:flex;align-items:center;justify-content:center}
.pillar .p-icon svg{width:32px;height:32px;color:#fff}
.pillar.teal .p-icon{background:linear-gradient(135deg,var(--accent-teal),#6F5D3D)}
.pillar.blue .p-icon{background:linear-gradient(135deg,var(--tech-blue),var(--tech-blue-3))}
.pillar h3{font-size:22px;margin-bottom:12px}
.pillar p{color:var(--text-2);font-size:15px;margin-bottom:18px}
.pillar .p-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.pillar .p-tags span{font-size:12px;background:var(--bg-light);color:var(--text-2);padding:4px 10px;border-radius:20px}

/* 数据条 */
.stats-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;background:var(--bg-white);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:36px;position:relative;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.1)}
.stats-strip::after{content:"";position:absolute;right:-40px;bottom:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(230,0,18,.06),transparent 70%)}
.stat{text-align:center;position:relative;z-index:1}
.stat .num{font-size:40px;font-weight:800;color:var(--text-1);font-family:var(--font-en);line-height:1;display:flex;align-items:baseline;justify-content:center;gap:2px}
.stat .num .unit{font-size:20px;color:var(--brand-red);font-weight:700}
.stat .label{font-size:14px;color:var(--text-2);margin-top:8px}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:20px;background:var(--bg-light);color:var(--text-2)}
.badge-red{background:var(--brand-red-light);color:var(--brand-red)}
.badge-teal{background:var(--accent-teal-light);color:var(--accent-teal)}
.badge-blue{background:#F0F0F0;color:var(--tech-blue)}
.badge-auth{background:linear-gradient(135deg,var(--brand-red),var(--brand-red-dark));color:#fff;padding:4px 12px}
.badge-auth svg{width:12px;height:12px}

/* ---------- 9. 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border-2);border-radius:var(--r)}
table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
thead th{background:var(--bg-light);color:var(--tech-blue);font-weight:600;text-align:left;padding:14px 16px;white-space:nowrap;border-bottom:2px solid var(--border)}
tbody td{padding:13px 16px;border-bottom:1px solid var(--border-2);color:var(--text-2)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--bg-light)}
td .mono,th .mono{font-family:var(--font-mono);font-size:13px}

/* ---------- 10. 表单 ---------- */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:8px}
.form-label .req{color:var(--brand-red)}
.form-control{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--r-sm);font-size:15px;background:#fff;transition:all var(--t-fast);outline:none}
.form-control:focus{border-color:var(--brand-red);box-shadow:0 0 0 3px var(--brand-red-light)}
textarea.form-control{resize:vertical;min-height:96px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-hint{font-size:12px;color:var(--text-3);margin-top:6px}
.upload-box{border:2px dashed var(--border);border-radius:var(--r);padding:28px;text-align:center;cursor:pointer;transition:all var(--t-fast);background:var(--bg-light)}
.upload-box:hover{border-color:var(--brand-red);background:var(--brand-red-light)}
.upload-box svg{width:32px;height:32px;color:var(--text-3);margin:0 auto 10px}
.upload-box p{color:var(--text-2);font-size:14px}
.upload-box .u-hint{font-size:12px;color:var(--text-3);margin-top:6px}

/* ---------- 11. 首页 Hero ---------- */
.hero{background:#161616;color:#fff;padding:calc(var(--header-h) + 60px) 0 80px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(133,113,75,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(133,113,75,.08) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(120deg,#000 18%,transparent 72%);mask-image:linear-gradient(120deg,#000 18%,transparent 72%)}
.hero::after{content:"";position:absolute;right:-160px;top:-60px;width:540px;height:72px;background:linear-gradient(90deg,transparent,rgba(230,0,18,.5),transparent);transform:rotate(-15deg);filter:blur(9px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(230,0,18,.13);border:1px solid rgba(230,0,18,.55);padding:7px 16px;border-radius:24px;font-size:12px;letter-spacing:2px;color:#fff;margin-bottom:24px;animation:heroIn .7s var(--ease) both;animation-delay:.05s}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-red);box-shadow:0 0 0 3px rgba(230,0,18,.3)}
.hero h1{color:#fff;font-size:54px;line-height:1.18;margin-bottom:22px;font-weight:800;letter-spacing:.5px;animation:heroIn .8s var(--ease) both;animation-delay:.2s}
.hero h1 .hl{color:#D4A85F;position:relative}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);line-height:1.85;margin-bottom:32px;max-width:520px;animation:heroIn .8s var(--ease) both;animation-delay:.35s}
.hero-sub .pipe{color:var(--brand-red);margin:0 8px;font-weight:700}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;animation:heroIn .8s var(--ease) both;animation-delay:.5s}

/* Hero 右侧：国产替代主视觉卡（替代原 3 张拥挤浮动卡） */
.hero-visual{position:relative}
.hero-subst{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.13);border-radius:var(--r-xl);padding:28px 30px;backdrop-filter:blur(10px);position:relative;overflow:hidden;animation:heroIn .9s var(--ease) both;animation-delay:.45s}
.hero-subst::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-red),var(--brand-gold))}
.hero-subst .hs-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hero-subst .hs-title{font-size:15px;font-weight:700;color:#fff;letter-spacing:.5px}
.hero-subst .hs-badge{font-size:11px;color:#D4A85F;border:1px solid rgba(212,168,95,.4);padding:3px 10px;border-radius:12px;letter-spacing:1px}
.hero-subst .hs-row{display:grid;grid-template-columns:1fr 28px 1fr;align-items:center;gap:10px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:13px}
.hero-subst .hs-import{color:rgba(255,255,255,.45);text-decoration:line-through;text-decoration-color:rgba(230,0,18,.55)}
.hero-subst .hs-arrow{color:var(--brand-red);font-weight:700;text-align:center}
.hero-subst .hs-cn{color:#fff;font-weight:600}
.hero-subst .hs-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1)}
.hero-subst .hs-stat .num{font-size:26px;font-weight:800;color:#D4A85F;line-height:1}
.hero-subst .hs-stat .lbl{font-size:11px;color:rgba(255,255,255,.6);margin-top:6px;letter-spacing:.5px}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes heroIn{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.hero-eyebrow,.hero h1,.hero-sub,.hero-cta,.hero-subst,.breadcrumb,.page-banner .pb-eyebrow,.page-banner h1,.page-banner p{animation:none!important}}

/* 品类宫格 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-item{background:#fff;border:1px solid var(--border-2);border-radius:var(--r-lg);padding:28px 20px;text-align:center;transition:all var(--t) var(--ease);position:relative;overflow:hidden}
.cat-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--brand-red)}
.cat-item .ci-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:14px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;transition:all var(--t)}
.cat-item:hover .ci-icon{background:var(--brand-red-light)}
.cat-item .ci-icon svg{width:28px;height:28px;color:var(--tech-blue);transition:color var(--t)}
.cat-item:hover .ci-icon svg{color:var(--brand-red)}
.cat-item h4{font-size:17px;margin-bottom:6px}
.cat-item .ci-count{font-size:13px;color:var(--brand-red);font-weight:600;font-family:var(--font-en)}
.cat-item .ci-arrow{position:absolute;top:18px;right:18px;opacity:0;transform:translateX(-6px);transition:all var(--t);color:var(--brand-red)}
.cat-item:hover .ci-arrow{opacity:1;transform:translateX(0)}

/* 实验室亮点区（差异化） */
.lab-showcase{background:linear-gradient(135deg,#1A1A1A 0%,#2C2C2C 100%);border-radius:var(--r-xl);padding:56px;color:#fff;position:relative;overflow:hidden}
.lab-showcase::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(133,113,75,.25),transparent 65%)}
.lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative;z-index:1}
.lab-showcase h2{color:#fff;margin-bottom:16px}
.lab-showcase .lead{color:rgba(255,255,255,.85);font-size:17px;line-height:1.8;margin-bottom:28px}
.lab-tests{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lab-test{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--r);padding:18px;display:flex;gap:14px;align-items:flex-start;transition:all var(--t-fast);box-shadow:var(--shadow-sm)}
.lab-test:hover{background:var(--brand-gold-light);border-color:var(--brand-gold);transform:translateY(-2px);box-shadow:var(--shadow)}
.lab-test .lt-icon{width:40px;height:40px;border-radius:10px;background:var(--brand-red-light);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.lab-test .lt-icon svg{width:20px;height:20px;color:var(--brand-red)}
.lab-test h5{color:var(--text-1);font-size:15px;margin-bottom:4px}
.lab-test p{font-size:12px;color:var(--text-3);line-height:1.5}
.lab-visual{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:32px;text-align:center;height:100%;display:flex;flex-direction:column;justify-content:center;position:relative}
.lab-visual .lv-badge{position:absolute;top:20px;right:20px;background:var(--accent-teal);color:#fff;font-size:11px;font-weight:600;padding:4px 12px;border-radius:20px}
.lab-visual .lv-equip{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.lab-visual .lv-equip div{background:rgba(255,255,255,.05);border-radius:var(--r-sm);padding:12px 8px;font-size:12px;color:rgba(255,255,255,.8)}
.lab-visual .lv-icon-big{width:88px;height:88px;margin:0 auto 16px;border-radius:20px;background:linear-gradient(135deg,var(--accent-teal),#6F5D3D);display:flex;align-items:center;justify-content:center}
.lab-visual .lv-icon-big svg{width:44px;height:44px;color:#fff}

/* 品牌墙滚动 */
.brand-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:960px;margin:0 auto}
.brand-wall .brand-card{min-height:96px;padding:18px}

/* 实验室实景图廊 */
.lab-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.lab-shot{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:4/3;background:#0A2540}
.lab-shot img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.lab-shot:hover img{transform:scale(1.05)}
.lab-shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 12px;color:#fff;font-size:12.5px;letter-spacing:.3px;background:linear-gradient(transparent,rgba(10,37,64,.85))}
@media(max-width:900px){.lab-gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.lab-gallery{grid-template-columns:1fr}}

/* CTA 大区块 */
.cta-band{background:linear-gradient(135deg,var(--brand-red),var(--brand-red-dark));border-radius:var(--r-xl);padding:56px;color:#fff;position:relative;overflow:hidden;text-align:center}
.cta-band::before{content:"";position:absolute;left:-40px;top:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.1)}
.cta-band::after{content:"";position:absolute;right:-40px;bottom:-60px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-band h2{color:#fff;margin-bottom:14px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.9);font-size:17px;margin-bottom:28px;position:relative;z-index:1}
.cta-band .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 12. 通用列表/详情 ---------- */
.list-layout{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start}
.filter-side{background:#fff;border:1px solid var(--border-2);border-radius:var(--r);padding:24px;position:sticky;top:calc(var(--header-h) + 24px)}
.filter-group{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--border-2)}
.filter-group:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.filter-group h5{font-size:14px;color:var(--tech-blue);margin-bottom:12px}
.filter-opt{display:flex;align-items:center;gap:8px;padding:7px 0;font-size:14px;color:var(--text-2);cursor:pointer;transition:color var(--t-fast)}
.filter-opt:hover{color:var(--brand-red)}
.filter-opt input{accent-color:var(--brand-red);width:16px;height:16px}
.filter-opt .count{margin-left:auto;font-size:12px;color:var(--text-3)}
.filter-opt.active{color:var(--brand-red);font-weight:600}

.list-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.list-toolbar .result-count{font-size:14px;color:var(--text-2)}
.list-toolbar .result-count b{color:var(--brand-red)}
.sort-select{padding:8px 14px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:14px;background:#fff;outline:none;cursor:pointer}
.product-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pagination{display:flex;justify-content:center;gap:6px;margin-top:40px}
.pagination a{min-width:40px;height:40px;border:1px solid var(--border);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-2);padding:0 12px}
.pagination a:hover,.pagination a.active{background:var(--brand-red);color:#fff;border-color:var(--brand-red)}

/* 详情页 */
.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:40px}
.detail-gallery{background:linear-gradient(135deg,var(--tech-blue),var(--tech-blue-3));border-radius:var(--r-lg);aspect-ratio:1;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:700;font-family:var(--font-en)}
.detail-info h1{font-size:30px;margin-bottom:10px}
.detail-info .brand-row{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.detail-actions{display:flex;gap:12px;margin:24px 0}
.detail-actions .btn{flex:1}
.detail-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.detail-meta .dm{background:var(--bg-light);border-radius:var(--r-sm);padding:12px 16px}
.detail-meta .dm .k{font-size:12px;color:var(--text-3);margin-bottom:4px}
.detail-meta .dm .v{font-size:15px;color:var(--tech-blue);font-weight:600}

.content-block{margin-bottom:48px}
.content-block h3{margin-bottom:18px;display:flex;align-items:center;gap:10px}
.content-block h3::before{content:"";width:4px;height:20px;background:var(--brand-red);border-radius:2px}

/* 方案/服务卡片网格 */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* 时间线（发展历程） */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:32px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--brand-red);border:3px solid #fff;box-shadow:0 0 0 2px var(--brand-red)}
.timeline-item .year{font-size:18px;font-weight:700;color:var(--brand-red);font-family:var(--font-en);margin-bottom:4px}
.timeline-item h4{font-size:16px;margin-bottom:4px}
.timeline-item p{font-size:14px;color:var(--text-2)}

/* 联系卡片 */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:#fff;border:1px solid var(--border-2);border-radius:var(--r-lg);padding:32px;text-align:center;transition:all var(--t)}
.contact-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.contact-card .cc-city{font-size:14px;color:var(--brand-red);font-weight:600;margin-bottom:8px;letter-spacing:1px}
.contact-card h4{font-size:18px;margin-bottom:16px}
.contact-card .cc-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:12px;text-align:left}
.contact-card .cc-row svg{width:16px;height:16px;color:var(--tech-blue);flex-shrink:0;margin-top:3px}

/* 新闻列表 */
.news-list .news-item{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--border-2);transition:all var(--t-fast)}
.news-list .news-item:hover{padding-left:8px}
.news-list .news-item:hover h4{color:var(--brand-red)}
.news-date{flex-shrink:0;text-align:center;background:var(--bg-light);border-radius:var(--r);padding:14px 18px;min-width:84px}
.news-date .day{font-size:28px;font-weight:800;color:var(--brand-red);font-family:var(--font-en);line-height:1}
.news-date .ym{font-size:12px;color:var(--text-3);margin-top:4px}
.news-content h4{font-size:18px;margin-bottom:8px;transition:color var(--t-fast)}
.news-content .tag{display:inline-block;font-size:12px;color:var(--brand-red);background:var(--brand-red-light);padding:2px 10px;border-radius:4px;margin-bottom:8px}
.news-content p{font-size:14px;color:var(--text-2);line-height:1.7}
.news-tabs{display:flex;gap:8px;margin-bottom:32px;border-bottom:1px solid var(--border-2);flex-wrap:wrap}
.news-tabs a{padding:12px 22px;font-size:15px;color:var(--text-2);border-bottom:2px solid transparent;font-weight:500;transition:all var(--t-fast)}
.news-tabs a:hover,.news-tabs a.active{color:var(--brand-red);border-color:var(--brand-red)}

/* 招聘卡片 */
.job-card{background:#fff;border:1px solid var(--border-2);border-radius:var(--r);padding:24px;transition:all var(--t);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.job-card:hover{box-shadow:var(--shadow);border-color:transparent}
.job-card h4{font-size:17px;margin-bottom:8px}
.job-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.job-meta span{display:flex;align-items:center;gap:4px}

/* 悬浮工具栏 */
.float-tools{position:fixed;right:20px;bottom:40px;display:flex;flex-direction:column;gap:12px;z-index:500}
.float-tools .ft{width:50px;height:50px;border-radius:50%;background:#fff;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;transition:all var(--t);position:relative}
.float-tools .ft:hover{transform:translateY(-3px);background:var(--brand-red)}
.float-tools .ft:hover svg{color:#fff}
.float-tools .ft svg{width:22px;height:22px;color:var(--tech-blue)}
.float-tools .ft.primary{background:var(--brand-red)}
.float-tools .ft.primary svg{color:#fff}

/* 移动端底部工具栏 */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);z-index:500;padding:8px;gap:8px}
.mobile-bar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--text-2);padding:6px;border-radius:var(--r-sm)}
.mobile-bar a svg{width:20px;height:20px}
.mobile-bar a.cta{background:var(--brand-red);color:#fff}
.mobile-bar a.cta svg{color:#fff}

/* 回到顶部 */
#backTop{opacity:0;visibility:hidden;transition:all var(--t)}
#backTop.show{opacity:1;visibility:visible}

/* Toast 提示 */
.toast{position:fixed;top:calc(var(--header-h) + 20px);left:50%;transform:translateX(-50%) translateY(-20px);background:var(--tech-blue);color:#fff;padding:14px 28px;border-radius:var(--r);box-shadow:var(--shadow-lg);z-index:3000;opacity:0;visibility:hidden;transition:all var(--t) var(--ease);display:flex;align-items:center;gap:10px;font-size:14px}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.toast svg{width:18px;height:18px;color:#5EE6A0}

/* 模态框 */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:2500;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--t);padding:20px}
.modal-mask.show{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:var(--r-lg);padding:32px;max-width:480px;width:100%;max-height:90vh;overflow-y:auto;transform:translateY(20px);transition:transform var(--t)}
.modal-mask.show .modal{transform:translateY(0)}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.modal-head h3{font-size:22px}
.modal-close{width:32px;height:32px;border-radius:50%;background:var(--bg-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-3);transition:all var(--t-fast)}
.modal-close:hover{background:var(--brand-red-light);color:var(--brand-red)}

/* 动画 */
.reveal{opacity:0;transform:translateY(24px);transition:all .7s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1024px){
  h1{font-size:34px}h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .brand-wall{grid-template-columns:repeat(3,1fr)}
  .stats-strip{grid-template-columns:repeat(5,1fr);padding:24px;gap:12px}
  .stat .num{font-size:32px}
  .hero h1{font-size:38px}
}
@media (max-width:768px){
  :root{--header-h:60px}
  .logo-img{height:40px}
  body{font-size:15px}
  h1{font-size:28px}h2{font-size:23px}h3,h4,h5{font-size:19px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .sec-head p{font-size:15px}
  /* 顶栏 */
  .nav,.search-box,.cart-btn,.lang,.header .btn-outline{display:none}
  .menu-toggle{display:flex}
  .header-tools{gap:8px}
  /* Hero */
  .hero{padding:calc(var(--header-h) + 40px) 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-visual{display:none}
  .hero-search{max-width:100%}
  /* 网格 */
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cat-item{padding:20px 14px}
  .brand-wall{grid-template-columns:repeat(3,1fr);gap:10px}
  .brand-wall .brand-card{padding:14px;min-height:80px}
  .brand-wall .brand-logo{font-size:16px}
  /* 数据条 */
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:20px;padding:28px 20px}
  .stat .num{font-size:32px}
  .stat:nth-child(5){grid-column:1/-1}
  /* 实验室 */
  .lab-showcase{padding:32px 24px;border-radius:var(--r-lg)}
  .lab-grid{grid-template-columns:1fr;gap:32px}
  .lab-tests{grid-template-columns:1fr}
  /* 业务/方案/产品网格 */
  .pillar{padding:28px 20px}
  .solution-grid,.product-list{grid-template-columns:1fr}
  /* 列表页 */
  .list-layout{grid-template-columns:1fr}
  .filter-side{position:static}
  .detail-top{grid-template-columns:1fr;gap:24px}
  .detail-meta{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .title-bar{flex-direction:column;align-items:flex-start}
  /* 页脚 */
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;text-align:center}
  /* CTA */
  .cta-band{padding:40px 24px;border-radius:var(--r-lg)}
  .cta-band .btns{flex-direction:column}
  .cta-band .btns .btn{width:100%}
  /* 移动工具栏 */
  .float-tools{display:none}
  .mobile-bar{display:flex}
  /* 页面banner */
  .page-banner{padding:calc(var(--header-h) + 36px) 0 40px}
  .page-banner h1{font-size:26px}
  .modal{padding:24px}
  .news-list .news-item{flex-direction:column;gap:12px}
  .news-date{display:flex;gap:12px;align-items:center;min-width:0;padding:8px 14px}
  .news-date .day{font-size:20px}
}
@media (max-width:480px){
  .cat-grid{grid-template-columns:1fr}
  .brand-wall{grid-template-columns:repeat(2,1fr)}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
}

/* 打印 */
@media print{.header,.footer,.float-tools,.mobile-bar{display:none}}

/* ---------- 证书实拍 & 公司实景（2026-07-17 素材整合） ---------- */
.cert-card{margin:0;background:#fff;border:1px solid var(--line,#e8e8e8);border-radius:var(--r,8px);overflow:hidden}
.cert-card img{width:100%;height:180px;object-fit:cover;display:block}
.cert-card figcaption{padding:10px 12px;font-size:13px;color:var(--text-2,#666);text-align:center}
.scene-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.scene-strip img{width:100%;height:150px;object-fit:cover;border-radius:var(--r,8px);display:block}
@media (max-width:768px){
  .scene-strip{grid-template-columns:repeat(2,1fr)}
  .scene-strip img:last-child{grid-column:1/-1}
  .cert-card img{height:150px}
}