/* ============================================================
   辉派工业 · 定制主题 style.css
   移动优先 + 断点 720px / 1024px；无框架、无外部依赖
   ============================================================ */
:root{
  --brand:#1e5fb3; --brand-d:#14447f; --brand-l:#eaf2fb;
  --accent:#ff7a1a; --accent-d:#e56600;
  --ink:#1f2733; --ink2:#5a6572; --line:#e4e9f0; --bg:#f5f7fa;
  --r:10px; --sh:0 2px 10px rgba(20,68,127,.08);
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font:15px/1.7 -apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff}
img{max-width:100%;height:auto;border:0;display:block}
a{color:inherit;text-decoration:none;transition:color .15s}
a:hover{color:var(--brand)}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
main{min-height:50vh}

/* ---------- 通用按钮 / 标题 ---------- */
.btn{display:inline-block;padding:10px 22px;border-radius:6px;font-weight:600;line-height:1.4;text-align:center;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d);color:#fff}
.btn-line{border:1px solid var(--brand);color:var(--brand)}
.btn-line:hover{background:var(--brand);color:#fff}
.sec{padding:36px 0}
.sec-gray{background:var(--bg)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.sec-head h1,.sec-head h2{font-size:22px;line-height:1.3;position:relative;padding-left:12px}
.sec-head h1::before,.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent)}
.sec-head p{color:var(--ink2);font-size:13px;width:100%;padding-left:12px;margin-top:2px}
.sec-more{color:var(--ink2);font-size:13px;white-space:nowrap}
.sec-more:hover{color:var(--brand)}
.sec-h1{font-size:22px}
.eyebrow{display:block;color:var(--accent);font-weight:700;letter-spacing:2px;font-size:12px;margin-bottom:6px}

/* ---------- 顶栏 / 头部 ---------- */
.topbar{background:var(--brand-d);color:#cfe0f5;font-size:12px}
.topbar .wrap{display:flex;justify-content:space-between;gap:10px;padding-top:6px;padding-bottom:6px}
.topbar a{color:#cfe0f5;margin-left:14px}
.topbar a:hover{color:#fff}
.head-main{border-bottom:1px solid var(--line);background:#fff}
.head-row{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px}
.logo img{width:340px;height:auto}
.search{flex:1;max-width:520px;position:relative}
.search input{width:100%;height:40px;border:2px solid var(--brand);border-radius:6px 0 0 6px;padding:0 12px;outline:0;font-size:14px}
.search button{position:absolute;right:0;top:0;width:74px;height:40px;background:var(--brand);color:#fff;border-radius:0 6px 6px 0;font-size:15px}
.search button:hover{background:var(--brand-d)}
.search-hot{position:absolute;left:0;top:44px;font-size:12px;color:var(--ink2);white-space:nowrap}
.search-hot a{margin-right:10px;color:var(--ink2)}
.search-hot a:hover{color:var(--brand)}
.head-tel{margin-left:auto;text-align:right;line-height:1.4}
.head-tel b{display:block;color:var(--accent);font-size:20px;font-family:Arial}
.head-tel span{font-size:12px;color:var(--ink2)}
.nav-btn{display:none;width:42px;height:38px;flex-direction:column;justify-content:center;gap:5px;border:1px solid var(--line);border-radius:6px;align-items:center}
.nav-btn i{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px}

/* ---------- 主导航（老站复刻：橙色分类按钮 + 半透明下拉） ---------- */
.main-nav{background:var(--brand);position:relative;z-index:60;box-shadow:var(--sh)}
.main-nav .wrap{display:flex;align-items:stretch}
.nav-cats{width:230px;background:var(--accent);color:#fff;font-weight:600;font-size:15px;display:flex;align-items:center;justify-content:center;gap:8px;flex:none;cursor:pointer;user-select:none;transition:.15s}
.nav-cats i{font-style:normal;font-size:16px;line-height:1}
.nav-cats:hover{background:var(--accent-d);color:#fff}
.nav-list{display:flex;flex:1}
.nav-list a{display:flex;align-items:center;height:48px;padding:0 20px;color:#fff;font-size:15px;font-weight:500;position:relative}
.nav-list a:hover,.nav-list a.on{background:var(--brand-d)}
.nav-list a.on::after{content:"";position:absolute;left:20px;right:20px;bottom:8px;height:2px;background:var(--accent);border-radius:2px}

/* 老站 1:1 复刻：全部产品分类下拉
   左侧 rgba(0,0,0,.8) 半透明深色栏 260×450，首页默认展开；
   悬停一级分类 → 右侧弹开二级/三级分类 + 最右侧该分类品牌 logo 墙 */
.nav-drop{position:relative;max-width:1200px;margin:0 auto;height:0;z-index:75}
.nav-drop-left{position:absolute;top:0;left:16px;width:260px;height:450px;background:rgba(0,0,0,.8);z-index:76;display:none}
.nav-drop.open .nav-drop-left{display:block}
.nav-drop-left>ul{height:100%;display:flex;flex-direction:column}
.drop-item{margin:0}
.drop-main{display:flex;align-items:center;gap:10px;width:260px;height:55px;padding:0 15px;font-size:14px;color:#fff;overflow:hidden}
.drop-main img{width:22px;height:22px;flex:none;object-fit:contain;background:#fff;border-radius:4px;padding:2px}
.drop-main span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.drop-item:hover .drop-main{background:#fff;color:#212121}
.drop-pop{position:absolute;left:260px;top:0;width:920px;height:450px;background:#fafafa;display:none;box-shadow:0 16px 40px rgba(16,44,84,.28)}
.drop-item:hover .drop-pop{display:block}
.drop-pop-cats{float:left;width:679px;height:450px;overflow-y:auto;overflow-x:hidden}
.drop-pop-cats::-webkit-scrollbar{width:10px}
.drop-pop-cats::-webkit-scrollbar-thumb{background:#1976d2;border-radius:0}
.drop-pop-cats::-webkit-scrollbar-track{background:#c0cfe0}
.drop-pop-list{list-style:none;padding:20px;margin:0}
.drop-pop-list>li{overflow:hidden;padding-bottom:12px}
.drop-pop-list .pn2{float:left;width:140px}
.drop-pop-list .pn2 a{font-size:14px;font-weight:700;color:#ef6c00}
.drop-pop-list .pn2 a:hover{color:#0277bd}
.drop-pop-list .pn3{float:left;width:499px}
.drop-pop-list .pn3 a{float:left;display:block;padding:0 8px 10px 0;font-size:14px;color:var(--ink)}
.drop-pop-list .pn3 a:hover{color:var(--brand)}
.drop-pop-brands{float:left;width:240px;height:450px;padding:5px;border-left:1px solid #e0e0e0;overflow:hidden;box-sizing:border-box}
.menu-brand-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-content:flex-start}
.menu-brand-list li{width:47%;height:60px;border:1px solid #eee;background:#fff;margin:3px;padding:3px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.menu-brand-list img{max-width:100%;max-height:100%;object-fit:contain}
@media(min-width:1024px) and (max-width:1215px){
  .drop-pop{width:calc(100vw - 276px)}
  .drop-pop-cats{width:calc(100% - 241px)}
}
@media(max-width:1023px){.nav-drop{display:none}}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:90}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;background:#fff;z-index:95;overflow-y:auto;transform:translateX(100%);transition:transform .25s ease}
.drawer.open{transform:none}
.drawer-mask.show{display:block}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--brand);color:#fff;position:sticky;top:0}
.drawer-x{color:#fff;font-size:26px;line-height:1}
.drawer-body{padding:8px 0 90px}
.drawer-body>details{border-bottom:1px solid var(--line)}
.drawer-body summary{padding:13px 16px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.drawer-body summary::after{content:"+";color:var(--ink2)}
.drawer-body details[open]>summary::after{content:"−"}
.drawer-sub2{padding:0 16px 10px;display:grid;grid-template-columns:1fr 1fr;gap:4px}
.drawer-sub2 a{font-size:13px;color:var(--ink2);padding:6px 4px}
.drawer-link{display:block;padding:13px 16px;font-weight:600;border-bottom:1px solid var(--line)}

/* ---------- 轮播 ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-d)}
.hero-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.hero-track::-webkit-scrollbar{display:none}
.hero-slide{flex:0 0 100%;scroll-snap-align:center;min-height:180px;background-size:cover;background-position:center;position:relative;display:block}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,35,66,.72),rgba(10,35,66,.15))}
.hero-txt{position:relative;z-index:2;color:#fff;display:flex;flex-direction:column;justify-content:center;min-height:180px}
.hero-txt b{font-size:22px;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.hero-txt i{font-style:normal;font-size:13px;opacity:.92;margin-top:4px}
.hero-dots{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:3}
.hero-dots button{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);transition:.2s}
.hero-dots button.on{background:var(--accent);width:22px;border-radius:5px}
/* PC：banner 文字已烤入图内，隐藏叠加文字；背景 100% 拉伸保证不裁切、不被左侧分类栏遮挡 */
@media(min-width:1024px){
  .hero-slide{background-size:100% 100%;background-position:center}
  .hero-slide::after{display:none}
  .hero-txt{display:none}
  .hero-slide{min-height:450px}
}

/* ---------- 分类卡 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.cat-card{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:var(--r);padding:14px;background:#fff;transition:.2s}
.cat-card:hover{box-shadow:var(--sh);transform:translateY(-2px);color:inherit}
.cat-ico{width:64px;height:64px;flex:none;border-radius:8px;background:var(--brand-l);overflow:hidden}
.cat-ico img{width:100%;height:100%;object-fit:cover}
.cat-txt h3{font-size:15px;color:var(--ink)}
.cat-txt p{font-size:12px;color:var(--ink2);margin-top:2px}
@media(min-width:1024px){.cat-grid{grid-template-columns:repeat(4,1fr)}.cat-ico{width:72px;height:72px}}

/* ---------- 产品卡 ---------- */
.p-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:720px){.p-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.p-grid{grid-template-columns:repeat(4,1fr)}}
.p-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.2s}
.p-card:hover{box-shadow:var(--sh);transform:translateY(-3px);color:inherit}
.p-thumb{aspect-ratio:4/3;overflow:hidden;background:#f2f5f9}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.p-card:hover .p-thumb img{transform:scale(1.05)}
.p-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:5px;flex:1}
.p-body h3{font-size:14px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.p-meta{display:flex;gap:6px;flex-wrap:wrap}
.p-brand{background:var(--brand-l);color:var(--brand);font-size:11px;padding:1px 7px;border-radius:3px}
.p-code{color:var(--ink2);font-size:11px;font-family:Consolas,monospace}
.p-desc{font-size:12px;color:var(--ink2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-grid-list{grid-template-columns:repeat(2,1fr)}
@media(min-width:720px){.p-grid-list{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.p-grid-list{grid-template-columns:repeat(4,1fr)}}

/* ---------- 列表布局 ---------- */
.list-layout{display:block;padding-top:16px;padding-bottom:30px}
.list-side{display:none}
.list-bar{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin-bottom:14px;flex-wrap:wrap}
.sorts{display:flex;gap:4px}
.sorts a{padding:5px 12px;border-radius:5px;font-size:13px;color:var(--ink2)}
.sorts a.on{background:var(--brand);color:#fff}
.list-total{font-size:13px;color:var(--ink2);margin-left:auto}
.btn-filter{display:inline-block;border:1px solid var(--brand);color:var(--brand);padding:5px 14px;border-radius:5px;font-size:13px}
.active-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.af{background:var(--brand-l);color:var(--brand);font-size:12px;padding:4px 10px;border-radius:20px}
.af-clear{background:#fff;border:1px solid var(--line);color:var(--ink2)}
.subcats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.subcats a{border:1px solid var(--line);padding:5px 14px;border-radius:20px;font-size:13px;color:var(--ink2)}
.subcats a:hover{border-color:var(--brand);color:var(--brand)}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:14px}
.side-box h3{font-size:15px;padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:10px}
.side-cats>li>a{display:block;padding:7px 8px;font-weight:600;font-size:14px;border-radius:5px}
.side-cats a.on,.side-brands a.on{background:var(--brand-l);color:var(--brand)}
.side-sub{padding-left:14px}
.side-sub a{display:block;padding:4px 8px;font-size:13px;color:var(--ink2);border-radius:4px}
.side-brands{display:flex;flex-wrap:wrap;gap:6px}
.side-brands a{font-size:12px;border:1px solid var(--line);padding:3px 9px;border-radius:4px;color:var(--ink2)}
.side-brands a:hover{border-color:var(--brand);color:var(--brand)}
.side-facet details{margin-bottom:6px}
.side-facet summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--ink2);list-style:none}
.facet-opts{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0 4px}
.facet{font-size:12px;border:1px solid var(--line);padding:3px 10px;border-radius:4px;color:var(--ink2)}
.facet.on{background:var(--brand);border-color:var(--brand);color:#fff}
@media(min-width:1024px){
  .list-layout{display:grid;grid-template-columns:250px 1fr;gap:20px}
  .list-side{display:block}
  .btn-filter{display:none}
}
.pager{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;padding:22px 0 6px}
.pg{min-width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:5px;font-size:13px;padding:0 10px;background:#fff}
.pg.cur{background:var(--brand);border-color:var(--brand);color:#fff}
.pg.disabled{opacity:.4;pointer-events:none}
.pg:hover{border-color:var(--brand);color:var(--brand)}
.pg.cur:hover{color:#fff}

/* ---------- 详情页 ---------- */
.pd{display:grid;gap:20px;padding-top:16px}
@media(min-width:1024px){.pd{grid-template-columns:460px 1fr}}
.pd-main{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:#f2f5f9}
.pd-main img{width:100%;height:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto;padding-bottom:4px}
.pd-thumbs button{flex:0 0 76px;border:2px solid var(--line);border-radius:6px;overflow:hidden;padding:0;background:#f2f5f9}
.pd-thumbs button.on{border-color:var(--brand)}
.pd-info h1{font-size:20px;line-height:1.5}
.pd-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0}
.pd-brand{background:var(--brand-l);color:var(--brand);font-weight:600;font-size:13px;padding:3px 12px;border-radius:4px}
.pd-code,.pd-cat{font-size:13px;color:var(--ink2)}
.pd-summary{color:var(--ink2);font-size:14px;border-left:3px solid var(--accent);padding-left:10px;margin:8px 0}
.pd-attrs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:12px 0}
.pd-attr{background:#fff;padding:8px 12px;font-size:13px;display:flex;justify-content:space-between;gap:8px}
.pd-attr span{color:var(--ink2)}
.pd-attr b{font-weight:600;text-align:right}
@media(min-width:720px){.pd-attrs{grid-template-columns:repeat(3,1fr)}}
.pd-buy{display:flex;align-items:center;gap:16px;background:var(--brand-l);border-radius:var(--r);padding:12px 16px;margin:12px 0}
.pd-price b{font-size:24px;color:var(--accent);margin-right:8px}
.pd-price span{font-size:12px;color:var(--ink2)}
.pd-form{display:grid;gap:10px;margin-top:12px}
.pd-form input,.pd-form textarea,.cta-form input{border:1px solid var(--line);border-radius:6px;padding:10px 12px;outline:0;width:100%;background:#fff}
.pd-form input:focus,.pd-form textarea:focus,.cta-form input:focus{border-color:var(--brand)}
.pd-h2{font-size:20px;padding-left:12px;position:relative;margin-bottom:14px}
.pd-h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--accent)}

/* ---------- 品牌页 ---------- */
.brand-hero{background:linear-gradient(120deg,var(--brand-d),var(--brand));color:#fff;padding:30px 0;background-size:cover;background-position:center;position:relative}
.brand-hero::after{content:"";position:absolute;inset:0;background:rgba(15,45,85,.55)}
.brand-hero .wrap{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand-hero .brand-logo{background:#fff;border-radius:8px;padding:6px;width:160px;height:60px;object-fit:contain}
.brand-hero h1{font-size:24px}
.brand-hero p{opacity:.92;font-size:14px}
.brand-hero p b{color:var(--accent);font-size:18px}
.brand-content{margin-bottom:8px}
.brand-group{margin-top:26px}
.brand-group-head{display:flex;align-items:baseline;gap:10px;margin-bottom:12px}
.brand-group-head h2{font-size:19px;padding-left:12px;position:relative}
.brand-group-head h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--accent)}
.brand-group-sub{color:var(--ink2);font-size:13px}
.brand-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.brand-wall a{border:1px solid var(--line);border-radius:var(--r);background:#fff;display:flex;align-items:center;justify-content:center;padding:10px;min-height:74px;transition:.2s}
.brand-wall a:hover{box-shadow:var(--sh);transform:translateY(-2px)}
.brand-wall img{max-height:46px;width:auto;max-width:100%;object-fit:contain}
@media(min-width:720px){.brand-wall{grid-template-columns:repeat(5,1fr)}}
@media(min-width:1024px){.brand-wall{grid-template-columns:repeat(7,1fr)}}
.brand-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.brand-card{border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:14px;display:flex;flex-direction:column;align-items:center;gap:6px;transition:.2s;text-align:center}
.brand-card:hover{box-shadow:var(--sh);transform:translateY(-2px);color:inherit}
.brand-card-logo{display:flex;align-items:center;justify-content:center;height:56px}
.brand-card-logo img{max-height:44px;max-width:130px;object-fit:contain}
.brand-card b{font-size:14px}
.brand-card i{font-style:normal;font-size:12px;color:var(--ink2)}
@media(min-width:720px){.brand-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.brand-grid{grid-template-columns:repeat(5,1fr)}}

/* ---------- 优势 / 关于 / CTA ---------- */
.feat-grid{display:grid;grid-template-columns:1fr;gap:12px}
.feat{border:1px solid var(--line);border-radius:var(--r);padding:18px;background:#fff;transition:.2s}
.feat:hover{box-shadow:var(--sh)}
.feat b{color:var(--brand-l);-webkit-text-stroke:1px var(--brand);font-size:26px;font-family:Arial}
.feat h3{font-size:16px;margin:4px 0 6px}
.feat p{font-size:13px;color:var(--ink2)}
@media(min-width:720px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.feat-grid{grid-template-columns:repeat(4,1fr)}}
.about-row{display:grid;gap:20px}
.about-txt h2{font-size:24px;margin-bottom:10px}
.about-txt p{color:var(--ink2);margin-bottom:8px;font-size:14px}
.about-btns{display:flex;gap:10px;margin-top:12px}
.about-nums{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;align-content:center}
.about-nums>div{background:var(--brand-l);border-radius:var(--r);padding:18px;text-align:center}
.about-nums b{display:block;font-size:26px;color:var(--brand);font-family:Arial}
.about-nums span{font-size:12px;color:var(--ink2)}
@media(min-width:1024px){.about-row{grid-template-columns:1.2fr 1fr;align-items:center}}
.sec-cta{background:linear-gradient(120deg,var(--brand-d),var(--brand));color:#fff}
.cta-row{display:grid;gap:18px}
.cta-row h2{font-size:22px}
.cta-row p{opacity:.9;font-size:13px;margin-top:4px}
.cta-form{display:grid;gap:10px}
.cta-form .btn{width:100%}
.cta-tip{font-size:13px;color:#ffd9b3;min-height:1.4em}
.cta-btns{display:flex;align-items:center;gap:14px;margin-top:14px;flex-wrap:wrap}
.cta-btns span{font-size:13px;opacity:.88}
@media(min-width:1024px){.cta-row{grid-template-columns:1fr 380px;align-items:center}}

/* ---------- 文章 / 内容 ---------- */
.article{max-width:900px}
.art-head h1{font-size:24px;line-height:1.4}
.art-meta{color:var(--ink2);font-size:13px;display:flex;gap:14px;margin:8px 0 4px;flex-wrap:wrap}
.art-banner{border-radius:var(--r);margin:10px 0}
.art-foot{margin-top:24px}
.art-sub{color:var(--ink2);font-size:14px;margin-top:4px}
.article-content{font-size:15px;line-height:1.9;color:#2a3542;overflow-wrap:break-word}
.article-content p{margin:10px 0}
.article-content h1,.article-content h2,.article-content h3{margin:18px 0 10px;font-size:18px}
.article-content img{border-radius:8px;margin:12px auto;box-shadow:var(--sh)}
.article-content table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}
.article-content td,.article-content th{border:1px solid var(--line);padding:8px 10px}
.article-content th{background:var(--bg)}
.article-content ul,.article-content ol{padding-left:22px;margin:8px 0}
.news-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.news-item{display:flex;gap:14px;border:1px solid var(--line);border-radius:var(--r);padding:14px;background:#fff;transition:.2s;align-items:flex-start}
.news-item:hover{box-shadow:var(--sh);color:inherit;transform:translateY(-2px)}
.news-item time{flex:none;text-align:center;color:var(--brand);border-right:1px solid var(--line);padding-right:14px;min-width:56px}
.news-item time b{display:block;font-size:22px;font-family:Arial}
.news-item time span{font-size:11px;color:var(--ink2)}
.news-item h3{font-size:16px}
.news-item p{font-size:13px;color:var(--ink2);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-thumb{flex:none;width:130px;height:86px;object-fit:cover;border-radius:6px}
@media(max-width:720px){.news-thumb{display:none}}

/* ---------- 面包屑 / 空态 / 页脚 ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;gap:8px;align-items:center;padding-top:10px;padding-bottom:10px;font-size:13px;color:var(--ink2);overflow-x:auto;white-space:nowrap}
.crumb a{color:var(--ink2)}
.crumb a:hover{color:var(--brand)}
.crumb i{color:#c3ccd6;font-style:normal}
.empty{text-align:center;color:var(--ink2);padding:40px 16px;background:var(--bg);border-radius:var(--r);line-height:2.2}
.empty .btn{margin:0 4px}
.site-foot{margin-top:30px}
.foot-main{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-top:28px;padding-bottom:20px}
.foot-logo{width:300px;margin-bottom:10px}
.foot-about p{font-size:13px;color:var(--ink2);line-height:1.8}
.foot-col h3{font-size:15px;margin-bottom:10px;position:relative;padding-left:10px}
.foot-col h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;background:var(--accent);border-radius:2px}
.foot-col li{font-size:13px;color:var(--ink2);padding:3px 0}
.foot-col a:hover{color:var(--brand)}
.foot-contact b{color:var(--accent);font-size:15px}
@media(min-width:1024px){.foot-main{grid-template-columns:1.4fr 1fr 1fr 1.3fr}}
.foot-bar{border-top:1px solid var(--line);padding:12px 0;font-size:12px;color:var(--ink2)}
.foot-bar .wrap{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}

/* ---------- 移动端底部快捷栏（H5） ---------- */
.m-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -2px 10px rgba(0,0,0,.06)}
.m-bar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:1px;padding:7px 0 6px;font-size:11px;color:var(--ink2)}
.m-bar i{font-style:normal;font-size:17px;line-height:1}
.m-bar .m-top{color:var(--ink2)}
@media(min-width:1024px){.m-bar{display:none}}

/* ---------- 页脚二维码 ---------- */
.foot-qr{display:flex;align-items:center;gap:12px;margin-top:14px}
.foot-qr img{width:104px;height:104px;border:1px solid var(--line);border-radius:8px;padding:3px;background:#fff}
.foot-qr span{display:block;font-size:13px;color:var(--ink);font-weight:600;line-height:1.6}
.foot-qr span i{display:block;font-style:normal;font-weight:400;color:var(--ink2);font-size:12px}

/* ========== 首页：一级分类瀑布流板块 ========== */
.cb{padding:26px 0;border-top:1px solid var(--line)}
.cb-alt{background:var(--bg)}
.cb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.cb-t{display:flex;align-items:center;gap:12px;min-width:0}
.cb-icon{width:56px;height:56px;flex:none;border:1px solid var(--line);border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;padding:4px}
.cb-icon img{width:46px;height:46px;object-fit:contain}
.cb-h h2{font-size:20px;line-height:1.3}
.cb-h h2 a:hover{color:var(--brand)}
.cb-kw{margin-top:3px;font-size:12.5px;color:var(--ink2);display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px}
.cb-kw b{color:var(--accent);font-weight:600}
.cb-kw a:hover{color:var(--brand)}
.cb-more{font-size:13px;color:var(--ink2);white-space:nowrap}
.cb-more:hover{color:var(--accent)}
.cb-body{display:grid;grid-template-columns:1fr;gap:12px}
.cb-side{display:flex;flex-direction:column;gap:10px}
.cb-subs{display:flex;flex-wrap:wrap;gap:6px}
.cb-subs a{font-size:12.5px;padding:4px 10px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--ink2)}
.cb-subs a:hover{color:#fff;background:var(--brand);border-color:var(--brand)}
.cb-subs-all{background:var(--brand-l)!important;color:var(--brand)!important;border-color:transparent!important;font-weight:600}
.cb-ad{position:relative;display:block;overflow:hidden;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(135deg,#1e5fb3,#14447f);min-height:120px}
.cb-ad img{width:100%;height:100%;min-height:120px;object-fit:cover;display:block}
.cb-ad.is-empty{background:linear-gradient(135deg,#1e5fb3,#14447f)}
.cb-ad-ph{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:16px;color:#fff}
.cb-ad-ph b{font-size:17px}
.cb-ad-ph i{font-style:normal;font-size:12px;opacity:.85;margin-top:2px}
.cb-car{position:relative;overflow:hidden;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.cb-car-box{position:relative;height:230px;background:var(--brand-l)}
.cb-car-slide{position:absolute;inset:0;opacity:0;transition:opacity .45s;display:flex;align-items:flex-end}
.cb-car-slide.is-on{opacity:1;z-index:2}
.cb-car-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cb-car-cap{position:relative;z-index:3;width:100%;padding:26px 14px 12px;background:linear-gradient(transparent,rgba(0,0,0,.62));color:#fff}
.cb-car-cap b{display:block;font-size:15px;line-height:1.4}
.cb-car-cap i{font-style:normal;font-size:12px;opacity:.85}
.cb-car-slide.is-empty{background:linear-gradient(135deg,#eef3fa,#dbe7f7)}
.cb-car-dots{position:absolute;right:12px;bottom:12px;z-index:4;display:flex;gap:5px}
.cb-car-dots button{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.55)}
.cb-car-dots button.on{background:var(--accent);width:20px;border-radius:5px}
.cb-car-prev,.cb-car-next{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:30px;height:44px;border-radius:6px;background:rgba(0,0,0,.28);color:#fff;font-size:22px;line-height:1}
.cb-car-prev:hover,.cb-car-next:hover{background:rgba(0,0,0,.45);color:#fff}
.cb-car-prev{left:0}.cb-car-next{right:0}
.cb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.cb-p{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;padding:6px;text-align:center;transition:.2s}
.cb-p:hover{border-color:var(--brand);box-shadow:var(--sh)}
.cb-p-img{display:block;height:78px;overflow:hidden;background:#fff;margin-bottom:4px}
.cb-p-img img{width:100%;height:100%;object-fit:contain}
.cb-p b{display:block;font-size:12.5px;font-weight:600;line-height:1.35;height:2.7em;overflow:hidden}
.cb-p em{font-style:normal;font-size:11px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.cb-p-none{border-style:dashed;background:transparent;pointer-events:none}
.cb-brands{overflow:hidden;margin-top:12px;border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:10px 0}
.cb-brands-track{display:flex;width:max-content;animation:cbmarq 40s linear infinite}
.cb-brands:hover .cb-brands-track{animation-play-state:paused}
.cb-brands-track a{flex:none;width:112px;height:56px;margin:0 8px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;padding:6px;background:#fff}
.cb-brands-track img{max-width:100%;max-height:100%;object-fit:contain}
@keyframes cbmarq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(min-width:720px){.cb-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){
  .cb-body{grid-template-columns:230px minmax(0,1fr) 330px;gap:14px}
  .cb-car-box{height:290px}
  .cb-grid{grid-template-columns:repeat(3,1fr)}
  .cb-p-img{height:66px}
}

/* ========== 品牌直购（老站 1:1 复刻） ========== */
.sec-sub{color:var(--ink2);font-size:13px}
/* 品牌直购标题横条：橙色背景与「辉派工程师」统一，蓝色竖杠取 logo 主色 */
.bd-band{display:flex;align-items:center;gap:16px;background:linear-gradient(90deg,#ff8a2b,#f96a00);color:#fff;padding:13px 20px;border-radius:10px;margin-bottom:16px;flex-wrap:wrap}
.bd-band h2{font-size:20px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:10px;line-height:1.3}
.bd-band h2::before{content:"";width:5px;height:22px;border-radius:2px;background:var(--brand);flex:none}
.bd-sub{font-size:13px;opacity:.95}
.bd-more{margin-left:auto;font-size:13px;color:#fff;white-space:nowrap}
.bd-more:hover{color:#fff;opacity:.85}
.content-brand{display:flex;align-items:stretch;overflow:hidden}
.content-brand>.brand-title{width:260px;min-height:284px;flex:none;background:url(../img/brand_bg.jpg) no-repeat left #fff;background-size:100% 100%;display:flex;overflow:hidden}
.content-brand>.brand-title>.brand-name{text-align:center;padding:8px;background:rgba(0,0,0,.6);margin:auto}
.content-brand>.brand-title>.brand-name>.t{font-size:25px;color:#fff;padding-bottom:10px}
.content-brand>.brand-title>.brand-name>.s{font-size:16px;color:#fff}
.content-brand>.brand-list{flex:1;min-width:0;border:1px solid #e0e0e0;padding:5px 0;background:#fff}
.content-brand>.brand-list>ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
/* 老站标准：一行 6 个，正好 3 行（18 个品牌） */
.content-brand>.brand-list>ul>li{position:relative;margin:0 0 5px 5px;width:calc((100% - 30px)/6);height:88px;border:1px solid #f5f5f5;border-radius:5px;background:#fff;overflow:hidden}
.content-brand>.brand-list>ul>li>img{width:100%;height:100%;object-fit:contain}
.content-brand>.brand-list>ul>li>.hover-bg{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:5px;background:rgba(0,0,0,.8);display:none;text-align:center}
.content-brand>.brand-list>ul>li:hover>.hover-bg{display:block}
.hover-bg>.brand-logo-title{margin-top:18px;color:#fff;font-size:14px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 6px}
.hover-bg>.brand-logo-button{margin-top:8px}
.hover-bg>.brand-logo-button a{display:inline-block;padding:5px 14px;font-size:12px;color:#fff;background:#d9534f;border-radius:3px}
.hover-bg>.brand-logo-button a:hover{background:#c9302c;color:#fff}
@media(max-width:1023px){
  .content-brand{flex-direction:column}
  .content-brand>.brand-title{width:100%;min-height:110px}
  .content-brand>.brand-title>.brand-name>.t{font-size:20px;padding-bottom:4px}
  .content-brand>.brand-title>.brand-name>.s{font-size:13px}
  .content-brand>.brand-list>ul{justify-content:flex-start}
  .content-brand>.brand-list>ul>li{width:calc((100% - 15px)/3)}
}
@media(max-width:479px){.content-brand>.brand-list>ul>li{width:calc((100% - 10px)/2)}}

/* ========== 辉派工程师服务条 ========== */
.sec-eng{background:linear-gradient(90deg,#ff8a2b,#f96a00);padding:22px 0}
.eng-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:#fff}
.eng-badge{font-size:20px;font-weight:800;letter-spacing:1px;position:relative;padding-left:16px;display:flex;align-items:center}
.eng-badge::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:22px;border-radius:2px;background:var(--brand)}
.eng-list{display:flex;gap:26px;flex-wrap:wrap;flex:1}
.eng-list li{position:relative;padding-left:26px}
.eng-list li::before{content:"✓";position:absolute;left:0;top:1px;width:19px;height:19px;border:1px solid rgba(255,255,255,.7);border-radius:50%;font-size:12px;line-height:17px;text-align:center}
.eng-list b{display:block;font-size:15px}
.eng-list span{font-size:12px;opacity:.9}
.sec-eng .btn-line{border-color:#fff;color:#fff}
.sec-eng .btn-line:hover{background:#fff;color:#f96a00}
@media(max-width:719px){.eng-list{gap:12px}.eng-row{gap:10px}.sec-eng .btn-line{margin:0 auto}}

/* ========== 服务保障 ========== */
.pm-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.pm-row li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 12px;text-align:center;transition:.2s}
.pm-row li:hover{border-color:var(--brand);box-shadow:var(--sh);transform:translateY(-2px)}
.pm-row img{width:44px;height:44px;object-fit:contain;margin:0 auto 8px}
.pm-row b{display:block;font-size:15px}
.pm-row span{font-size:12px;color:var(--ink2)}
@media(min-width:720px){.pm-row{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.pm-row{grid-template-columns:repeat(5,1fr)}}

/* ---------- 移动端头部适配 ---------- */
@media(max-width:1023px){
  .topbar{display:none}
  .head-row{gap:10px;padding-top:10px;padding-bottom:10px}
  .logo img{width:200px;height:auto}
  .search{order:3;flex-basis:100%;max-width:none}
  .search-hot{display:none}
  .head-tel{display:none}
  .nav-btn{display:flex;margin-left:auto;order:2}
  .main-nav{display:none}
  .sec{padding:26px 0}
  .pd-info h1{font-size:18px}
  body{padding-bottom:52px}
}
@media(max-width:359px){.logo img{width:140px}}