/* 和众彤盛 · 国际化版式 v2
   基准：company-site/style-guide.html
   容器 1200 / 区块 96 / 圆角 6 / 字重 400·500 / 品牌红仅用于 CTA */

:root{
  --ink:#1D1D1F; --sub:#6E6E73; --hint:#A1A1A6;
  --line:#E5E5EA; --surf:#F5F5F7; --white:#FFFFFF;
  --brand:#DA2B22; --brand-dark:#C0241B; --brand-soft:#FBE9E7;
  --r:6px; --pad:96px; --nav-h:72px;
  --f:"Inter","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f);color:var(--ink);background:var(--white);
     -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
     line-height:1.6;font-size:15px}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}

.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.wrap-narrow{max-width:880px;margin:0 auto;padding:0 40px}

/* ---------- 排版 ---------- */
h1{font-size:56px;font-weight:500;letter-spacing:-.02em;line-height:1.12}
h2{font-size:32px;font-weight:500;letter-spacing:-.01em;line-height:1.25}
h3{font-size:22px;font-weight:500;letter-spacing:-.01em;line-height:1.35}
h4{font-size:17px;font-weight:500}
.kicker{font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
        color:var(--brand);margin-bottom:20px}
.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--hint)}
.lead{font-size:17px;color:var(--sub);max-width:640px;margin-top:20px;line-height:1.7}
.muted{color:var(--sub)}
.small{font-size:13px;color:var(--hint)}

/* ---------- 页头 ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
       backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
header .wrap{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:28px;width:auto}
.logo span{font-size:15px;font-weight:500;letter-spacing:.02em;white-space:nowrap}
nav{display:flex;align-items:center;gap:4px}
nav a{padding:8px 14px;font-size:14px;color:var(--sub);border-radius:var(--r);transition:.15s}
nav a:hover{color:var(--ink);background:var(--surf)}
nav a.on{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.lang-sw{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lang-sw a{font-size:12px;line-height:1;padding:9px 10px;color:var(--hint);border-left:1px solid var(--line)}
.lang-sw a:first-child{border-left:0}
.lang-sw a:hover{color:var(--ink)}
.lang-sw a.on{color:#fff;background:var(--ink)}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center}
.burger i{display:block;width:18px;height:1px;background:var(--ink);position:relative}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:18px;height:1px;background:var(--ink)}
.burger i::before{top:-6px}.burger i::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
     height:48px;padding:0 28px;border-radius:var(--r);font-size:15px;font-weight:500;
     border:1px solid transparent;transition:.15s;white-space:nowrap}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn.ghost{border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.sm{height:38px;padding:0 18px;font-size:14px}
.btn.block{width:100%}
.btn.link{height:auto;padding:0;background:none;color:var(--brand);font-weight:500}
.btn.link:hover{text-decoration:underline}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 区块 ---------- */
section{padding:var(--pad) 0}
section.tight{padding:64px 0}
section.surf{background:var(--surf)}
section.line{border-top:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;max-width:none}
.sec-head.split .btn{flex:none}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(88vh,720px);display:flex;align-items:center;
      overflow:hidden;background:#0E0E10;color:#fff}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,10,12,.82) 0%,rgba(10,10,12,.45) 55%,rgba(10,10,12,.15) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:80px;padding-bottom:80px}
.hero .kicker{color:#FF8A7A}
.hero h1{color:#fff;max-width:820px}
.hero .lead{color:rgba(255,255,255,.74);font-size:18px;max-width:560px}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.hero .btn.ghost{border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn.ghost:hover{border-color:#fff}
.hero-meta{display:flex;gap:48px;margin-top:64px;padding-top:28px;border-top:1px solid rgba(255,255,255,.18);flex-wrap:wrap}
.hero-meta b{display:block;font-size:28px;font-weight:500;letter-spacing:-.01em;color:#fff}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 卡片 ---------- */
.card{border:1px solid var(--line);border-radius:var(--r);padding:32px;background:#fff}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cards.four{grid-template-columns:repeat(4,1fr)}
.cards.two{grid-template-columns:repeat(2,1fr)}

/* ---------- 板块入口 ---------- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tile{position:relative;display:block;border:1px solid var(--line);border-radius:var(--r);
      overflow:hidden;background:#fff;transition:.18s}
.tile:hover{border-color:var(--ink);transform:translateY(-2px)}
.tile .ph{aspect-ratio:4/3;background:var(--surf);overflow:hidden}
.tile .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.tile:hover .ph img{transform:scale(1.04)}
.tile .bd{padding:24px}
.tile h3{font-size:19px}
.tile p{margin-top:8px;font-size:14px;color:var(--sub);line-height:1.6}
.tile .more{margin-top:16px;font-size:14px;color:var(--brand);font-weight:500}
.tile.wide{grid-column:span 2}
.tile.wide .ph{aspect-ratio:16/9}

/* ---------- 商品网格 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 24px}
.pcard{display:flex;flex-direction:column;background:#fff;border-radius:var(--r);transition:.18s}
.pcard .ph{position:relative;aspect-ratio:1/1;background:var(--surf);border:1px solid var(--line);
           border-radius:var(--r);overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:.4s}
.pcard:hover .ph{border-color:var(--ink)}
.pcard:hover .ph img{transform:scale(1.03)}
.pcard .tag{position:absolute;left:12px;top:12px;font-size:11px;letter-spacing:.04em;
            background:rgba(255,255,255,.92);color:var(--ink);padding:4px 8px;border-radius:4px}
.pcard h4{margin-top:14px;font-size:15px;font-weight:500;line-height:1.5;
          display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .meta{margin-top:6px;font-size:13px;color:var(--hint)}
.pcard .go{margin-top:10px;font-size:13px;color:var(--brand);opacity:0;transition:.18s}
.pcard:hover .go{opacity:1}

/* ---------- 筛选 ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:40px}
.chip{height:36px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r);
      font-size:14px;color:var(--sub);display:inline-flex;align-items:center;transition:.15s}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip b{font-weight:400;opacity:.55;margin-left:6px;font-size:12px}
.search{display:flex;align-items:center;gap:8px;margin-left:auto;border:1px solid var(--line);
        border-radius:var(--r);padding:0 14px;height:36px}
.search input{border:0;outline:0;font-family:inherit;font-size:14px;width:180px;color:var(--ink)}

/* ---------- 商品详情 ---------- */
.pd{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start}
.pd-main{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surf)}
.pd-main img{width:100%;aspect-ratio:1/1;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:12px}
.thumbs button{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;aspect-ratio:1/1;background:#fff;padding:0}
.thumbs button.on{border-color:var(--brand)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.pd-info h1{font-size:34px;line-height:1.3}
.pd-price{font-size:13px;color:var(--hint);margin-top:12px}
.pd-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.spec{width:100%;border-collapse:collapse;margin-top:8px}
.spec th,.spec td{text-align:left;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}
.spec th{width:120px;color:var(--hint);font-weight:400;white-space:nowrap}
.spec td{color:var(--ink)}
.skulist{margin-top:12px;display:flex;flex-direction:column;gap:8px;max-height:260px;overflow:auto;
         border:1px solid var(--line);border-radius:var(--r);padding:16px;background:var(--surf)}
.skulist li{font-size:13px;color:var(--sub);line-height:1.6;list-style:none;padding-left:16px;position:relative}
.skulist li::before{content:"";position:absolute;left:0;top:9px;width:4px;height:1px;background:var(--hint)}

/* ---------- 特性行 ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.feature.rev .fimg{order:2}
.fimg{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--surf)}
.fimg img{width:100%;aspect-ratio:4/3;object-fit:cover}
.flist{margin-top:28px;display:flex;flex-direction:column;gap:0}
.flist div{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.flist div:last-child{border-bottom:1px solid var(--line)}
.flist .n{font-size:12px;color:var(--hint);width:24px;flex:none;padding-top:3px}
.flist b{display:block;font-weight:500;font-size:15px}
.flist p{font-size:14px;color:var(--sub);margin-top:2px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line);padding-top:40px}
.stats b{display:block;font-size:36px;font-weight:500;letter-spacing:-.02em}
.stats span{font-size:13px;color:var(--hint)}

/* ---------- 案例 ---------- */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.case img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case .bd{padding:24px}
.case .bd h4{font-size:17px}

/* ---------- 合作客户 ---------- */
.logos{display:grid;grid-template-columns:repeat(8,1fr);gap:1px;background:var(--line);
       border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.logos div{background:#fff;aspect-ratio:2/1;display:flex;align-items:center;justify-content:center;padding:16px}
.logos img{max-height:100%;object-fit:contain;filter:grayscale(1);opacity:.72}
.logos div:hover img{filter:none;opacity:1}

/* ---------- CTA ---------- */
.cta{background:var(--surf);text-align:center}
.cta h2{margin-bottom:16px}
.cta p{color:var(--sub);max-width:520px;margin:0 auto}
.cta .btnrow{display:flex;gap:16px;justify-content:center;margin-top:36px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 40px;background:#fff}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h5{font-size:13px;font-weight:500;margin-bottom:18px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
footer li,footer p{font-size:13px;color:var(--sub);line-height:1.7}
footer li a{color:var(--sub)}
footer a:hover{color:var(--brand)}
.fbottom{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
         display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--hint)}
/* 备案信息行 */
.fbeian{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
        display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
        font-size:12px;color:var(--hint);text-align:center}
.fbeian a{color:var(--hint);display:inline-flex;align-items:center;gap:5px;text-decoration:none}
.fbeian a:hover{color:var(--brand)}
.fbeian .sep{opacity:.4}
.fbeian .bei-icon{width:14px;height:14px;flex:none}

/* ---------- 询价单 ---------- */
.fab{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:8px;
     height:48px;padding:0 22px;border-radius:var(--r);background:var(--brand);color:#fff;
     font-size:15px;font-weight:500;box-shadow:0 6px 24px rgba(0,0,0,.16)}
.fab .dot{min-width:20px;height:20px;border-radius:10px;background:rgba(255,255,255,.26);
          font-size:12px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px}
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.open{display:block}
.drawer .mask{position:absolute;inset:0;background:rgba(20,20,22,.32)}
.drawer .panel{position:absolute;right:0;top:0;height:100%;width:min(420px,100%);background:#fff;
               display:flex;flex-direction:column;box-shadow:-8px 0 32px rgba(0,0,0,.12)}
.drawer .ph{padding:24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer .ph h4{font-size:17px}
.drawer .bd{flex:1;overflow:auto;padding:24px}
.drawer .ft{padding:20px 24px;border-top:1px solid var(--line)}
.qi{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.qi img{width:56px;height:56px;object-fit:cover;border-radius:4px;flex:none;border:1px solid var(--line)}
.qi .t{font-size:13px;line-height:1.5;
       display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.qi .x{margin-left:auto;font-size:12px;color:var(--hint);flex:none}
.qi .x:hover{color:var(--brand)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--hint);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:var(--r);
  padding:10px 12px;font-family:inherit;font-size:14px;color:var(--ink);outline:0;background:#fff}
.field input:focus,.field textarea:focus{border-color:var(--ink)}
.field textarea{min-height:88px;resize:vertical}
.empty{text-align:center;color:var(--hint);font-size:14px;padding:48px 0}

.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(12px);z-index:90;
       background:var(--ink);color:#fff;font-size:14px;padding:12px 20px;border-radius:var(--r);
       opacity:0;pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--hint);padding:24px 0 0}
.crumb a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .tiles{grid-template-columns:repeat(2,1fr)}
  .tile.wide{grid-column:span 2}
  .cards.four{grid-template-columns:repeat(2,1fr)}
  .logos{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:860px){
  :root{--pad:56px}
  .wrap,.wrap-narrow{padding:0 20px}
  h1{font-size:38px} h2{font-size:26px}
  .nav-menu{display:none;position:absolute;left:0;right:0;top:var(--nav-h);background:#fff;
            border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 20px 20px;gap:2px}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 0;font-size:16px}
  .burger{display:flex}
  .lang-sw a{padding:9px 8px}
  .logo span{display:none}
  .nav-right{gap:8px}
  .nav-right .btn.sm{padding:9px 14px;font-size:13px}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .tiles,.cards,.cards.two,.feature,.fgrid{grid-template-columns:1fr}
  .tile.wide{grid-column:span 1}
  .feature{gap:32px}
  .feature.rev .fimg{order:0}
  .pd{grid-template-columns:1fr;gap:32px}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:24px}
  .hero-meta{gap:28px}
  .hero-meta b{font-size:22px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cases{grid-template-columns:1fr}
  .search{margin-left:0;width:100%}
  .search input{width:100%}
}

/* ---------- SEO 补丁：主标题 h1 保持 h2 视觉 / FAQ 折叠块 ---------- */
h1.sec-title{font-size:32px;font-weight:500;letter-spacing:-.01em;line-height:1.25}
.faq{margin-top:8px}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item h3{font-size:17px;font-weight:500;margin-bottom:10px}
.faq-item p{font-size:14px;color:var(--sub);line-height:1.8;margin:0}
@media(max-width:768px){h1.sec-title{font-size:26px}}

/* ---------- 页脚场景内链 ---------- */
.fscenes{margin-top:12px;font-size:12px;color:var(--hint);text-align:center;line-height:2}
.fscenes span{opacity:.7;margin-right:4px}
.fscenes a{color:var(--hint);text-decoration:none;white-space:nowrap}
.fscenes a:hover{color:var(--brand)}
.fscenes .dot{opacity:.4;margin:0 2px}
a.card{display:block;color:inherit;text-decoration:none}
a.card:hover b{color:var(--brand)}