/* === theme636 - 建材涂胶材料 (site 201) === */
:root{--c-blue:#00897b;--c-dark:#1a2332;--c-text:#444;--c-muted:#777;--c-bg:#f5f7fa;--c-white:#fff;--c-border:#e0e4ea;--radius:4px;--font:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);color:var(--c-text);font-size:14px;line-height:1.7;background:var(--c-bg)}a{color:var(--c-text)}a:hover{color:var(--c-blue)}img{max-width:100%}
.cb-skip{position:absolute;top:-50px;left:8px;z-index:9999;padding:10px 18px;background:var(--c-dark);color:#fff!important;font-size:14px}.cb-skip:focus{top:0}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-blue);outline-offset:2px}
.cb-top{background:var(--c-dark);position:fixed;top:0;left:0;right:0;z-index:100;height:58px}.cb-top-row{max-width:1200px;margin:0 auto;display:flex;align-items:center;height:58px;padding:0 24px;gap:24px}.cb-logo{display:flex;align-items:center;gap:10px}.cb-logo img{height:26px}.cb-logo span{font-size:14px;font-weight:700;color:#fff;letter-spacing:1px}.cb-nav{display:flex;flex:1;gap:0}.cb-nav a{padding:8px 16px;font-size:13px;color:#aabbcc;font-weight:500}.cb-nav a:hover{color:#fff}.cb-tgl{display:none;background:none;border:none;color:#fff;font-size:20px}body{padding-top:68px}
.cb-hero{padding:72px 24px;text-align:center;background:linear-gradient(135deg,var(--c-dark) 0%,#1a3a5c 100%)}.cb-hero-inner{max-width:650px;margin:0 auto}.cb-hero h1{font-size:38px;font-weight:800;color:#fff;margin-bottom:10px}.cb-hero p{font-size:15px;color:#8899aa;margin-bottom:32px}.cb-hero-btns{display:flex;gap:12px;justify-content:center}.cb-btn{display:inline-block;padding:13px 32px;background:var(--c-blue);color:#fff!important;font-size:14px;font-weight:600;border-radius:4px}.cb-btn:hover{background:#00695c}.cb-btn-line{display:inline-block;padding:13px 32px;border:1px solid rgba(255,255,255,.3);color:#fff!important;font-size:14px;font-weight:600;border-radius:4px}.cb-btn-line:hover{border-color:var(--c-blue)}
.cb-grid{padding:48px 24px;max-width:1200px;margin:0 auto}.cb-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cb-card{background:var(--c-white);padding:28px 24px;border:1px solid var(--c-border);border-radius:var(--radius);transition:all .2s}.cb-card:hover{border-color:var(--c-blue);box-shadow:0 4px 16px rgba(0,137,123,.08)}.cb-card-num{font-size:32px;font-weight:800;color:var(--c-blue);opacity:.15;margin-bottom:8px}.cb-card h4{font-size:15px;margin-bottom:4px}.cb-card p{font-size:13px;color:var(--c-muted)}
.cb-layout{display:flex;gap:24px;max-width:1200px;margin:0 auto;padding:0 24px}.cb-primary{flex:1;min-width:0}.cb-side{width:270px}.cb-page{padding:0 0 40px}.cb-page-top{max-width:1200px;margin:0 auto;padding:24px 24px 14px}.cb-page-top h1{font-size:22px;font-weight:700}.cb-crumb{font-size:12px;color:var(--c-muted)}.cb-sort{display:flex;gap:4px;padding:0 24px 14px;max-width:1200px;margin:0 auto}.cb-sort a{padding:5px 14px;font-size:12px;font-weight:600;border-radius:4px}.cb-sort a.active,.cb-sort a:hover{background:var(--c-dark);color:#fff}
.cb-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.cb-card-img{display:block;position:relative;padding-top:65%;overflow:hidden;background:#eee}.cb-card-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.cb-card-body{padding:14px;background:var(--c-white)}.cb-card-body h4{font-size:14px}.cb-card-body p{font-size:12px;color:var(--c-muted)}.cb-card-tag{display:inline-block;padding:2px 8px;background:#e3f2fd;color:var(--c-blue);font-size:10px;border-radius:2px;margin-bottom:4px}.cb-card-meta{display:flex;gap:8px;font-size:11px;color:var(--c-muted);margin-top:4px}.cb-feed{list-style:none}.cb-feed li{border-bottom:1px solid var(--c-border)}.cb-feed a{display:flex;justify-content:space-between;padding:10px 0;font-size:13px}.cb-pager{text-align:center;padding:18px}.cb-pager .pagination{display:inline-flex;gap:3px}.cb-pager .pagination a,.cb-pager .pagination span{min-width:32px;height:32px;line-height:30px;padding:0 8px;border:1px solid var(--c-border);font-size:12px;font-weight:600}.cb-pager .pagination .active span{background:var(--c-dark);color:#fff}.cb-pager .pagination a:hover{border-color:var(--c-blue)}
.cb-article{background:var(--c-white);padding:32px;border:1px solid var(--c-border);border-radius:var(--radius)}.cb-article header{margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--c-border)}.cb-article h1{font-size:24px;font-weight:700}.cb-article-meta{display:flex;gap:10px;font-size:11px;color:var(--c-muted);margin-top:6px}.cb-pill{padding:2px 8px;background:var(--c-dark);color:#fff;font-size:10px}.cb-article-body{font-size:14px;line-height:1.9}.cb-article-body h2{font-size:18px;margin:20px 0 10px}.cb-article-body p{margin-bottom:12px}.cb-article-body img{margin:12px 0;max-width:100%}.cb-summary{margin:20px 0;padding:16px 20px;background:var(--c-bg);border-left:3px solid var(--c-blue)}.cb-summary b{font-size:13px}.cb-summary-cite{margin-top:8px;padding-top:8px;border-top:1px solid var(--c-border);font-size:10px}.cb-summary-cite code{display:block;background:var(--c-white);padding:4px 6px;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cb-pn{display:flex;gap:12px;margin-top:20px}.cb-pn a{flex:1;padding:12px;background:var(--c-bg);border:1px solid var(--c-border)}.cb-pn a:hover{border-color:var(--c-blue)}.cb-pn small{font-size:10px}.cb-pn a:last-child{text-align:right}
.cb-widget{background:var(--c-white);padding:16px;border:1px solid var(--c-border);margin-bottom:12px}.cb-widget h4{font-size:14px;font-weight:700;margin-bottom:10px;padding-bottom:7px;border-bottom:2px solid var(--c-dark)}.cb-widget-nav{list-style:none}.cb-widget-nav li{padding:3px 0}.cb-widget-nav a{font-size:13px}.cb-widget-nav a:before{content:"→ ";color:var(--c-blue)}.cb-widget-hot{list-style:none}.cb-widget-hot a{display:flex;gap:8px;padding:3px 0}.cb-whot-img{width:48px;height:34px;overflow:hidden}.cb-whot-img img{width:100%;height:100%;object-fit:cover}.cb-whot-txt b{font-size:12px}.cb-whot-txt em{font-size:10px;color:var(--c-blue);font-weight:700}.cb-widget-list{list-style:none}.cb-widget-list a{display:flex;justify-content:space-between;padding:2px 0;font-size:11px}.cb-widget-ad{padding:0;border:none}.cb-widget-ad img{width:100%}
.cb-foot{background:var(--c-dark);color:#8899aa;padding:36px 24px 20px;margin-top:48px}.cb-foot-row{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:20px}.cb-foot-info img{height:20px}.cb-foot-info p{font-size:11px;margin-top:4px}.cb-foot-nav a{display:block;color:#667788;font-size:11px;padding:3px 0}.cb-foot-nav a:hover{color:#fff}.cb-foot-row small{grid-column:1/-1;text-align:center;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);font-size:10px;color:#556677}
.cb-up{position:fixed;right:18px;bottom:50px;width:38px;height:38px;background:var(--c-blue);color:#fff;border:none;cursor:pointer;font-size:14px}.cb-page-content{max-width:1200px;margin:0 auto;padding:0 24px}.cb-subnav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}.cb-subnav a{padding:4px 12px;font-size:12px;background:var(--c-bg);border:1px solid var(--c-border)}.cb-subnav a.active{background:var(--c-dark);color:#fff;border-color:var(--c-dark)}.cb-prod{background:var(--c-white);padding:24px;border:1px solid var(--c-border)}.cb-prod-top{display:flex;gap:24px}.cb-prod-gallery{width:380px}.cb-contact{margin-top:18px;padding-top:14px;border-top:1px solid var(--c-border)}.cb-contact h3{font-size:16px}.cb-form label{display:block;margin-bottom:8px;font-size:12px}.cb-form span{display:inline-block;width:50px}.cb-inp{width:calc(100% - 58px);padding:6px 10px;border:1px solid var(--c-border)}.cb-inp:focus{border-color:var(--c-blue)}.cb-form-full{display:flex}.cb-form-full textarea{flex:1;min-width:0;padding:6px 10px;border:1px solid var(--c-border);min-height:90px;resize:vertical}.cb-form-row{display:flex;gap:12px}.cb-form-row label{flex:1}.cb-form-actions{margin-top:10px;display:flex;gap:8px}.cb-btn-sm{display:inline-block;padding:4px 10px;background:var(--c-dark);color:#fff!important;font-size:10px}.cb-btn-reset{padding:6px 20px;background:var(--c-bg);border:1px solid var(--c-border);font-size:12px;cursor:pointer}
@media(max-width:991px){.cb-grid-3{grid-template-columns:repeat(2,1fr)}.cb-layout{flex-direction:column}.cb-side{width:100%}.cb-prod-top{flex-direction:column}.cb-prod-gallery{width:100%}.cb-foot-row{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.cb-grid-3{grid-template-columns:1fr}.cb-hero h1{font-size:28px}.cb-tgl{display:block}.cb-nav{display:none;position:absolute;top:58px;left:0;right:0;background:var(--c-dark);flex-direction:column}.cb-nav.show{display:flex!important}.cb-nav a{padding:10px 20px}.cb-pn{flex-direction:column}.cb-foot-row{grid-template-columns:1fr}}

/* ============ 站点对接改版 (theme636 ↔ site 201) ============ */
/* 文字 Logo */
.cb-logo-text{font-size:15px;font-weight:700;color:#fff;letter-spacing:.4px;white-space:nowrap}
.cb-logo:hover .cb-logo-text{color:var(--c-blue)}

/* 导航激活态 */
.cb-nav a.is-active{color:#fff;background:rgba(255,255,255,.08);border-radius:4px}

/* 导航下拉 */
.main-menu .dropdown{position:relative;display:inline-flex}
.main-menu .dropdown>a{display:inline-flex;align-items:center;gap:5px;cursor:pointer}
.main-menu .dropdown .caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid currentColor;margin-top:2px}
.main-menu .dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:180px;max-height:360px;overflow-y:auto;background:var(--c-white);border:1px solid var(--c-border);border-top:2px solid var(--c-blue);box-shadow:0 10px 26px rgba(0,0,0,.16);padding:6px 0;margin:0;list-style:none;z-index:200}
.main-menu .dropdown:hover .dropdown-menu{display:block}
.main-menu .dropdown-menu li a{display:block;padding:8px 16px;font-size:13px;color:var(--c-text);white-space:nowrap}
.main-menu .dropdown-menu li a:hover{background:rgba(0,137,123,.08);color:var(--c-blue)}
.main-menu .dropdown-menu li a.is-active{background:rgba(0,137,123,.1);color:var(--c-blue);box-shadow:inset 2px 0 0 var(--c-blue)}

/* 页脚：flex 四栏 */
.cb-foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px}
.cb-foot-col{flex:1 1 180px;min-width:170px}
.cb-foot-info{flex:1 1 300px;min-width:250px}
.cb-foot-info .cb-logo-text{display:block;font-size:16px;margin-bottom:10px}
.cb-foot-col h5{font-size:14px;font-weight:700;color:#fff;margin:0 0 10px}
.cb-foot-col p{font-size:12px;line-height:1.75;color:#8899aa;margin:0 0 8px}
.cb-foot-col p.cb-foot-muted{font-size:11px;color:#667788}
.cb-foot-col p.cb-foot-count{color:var(--c-blue);font-weight:700;margin:6px 0}
.cb-foot-copy{flex:1 1 100%;text-align:center;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);font-size:10px;color:#556677;margin-top:8px}
.cb-foot-copy a{margin-left:8px;color:#8899aa}

/* 返回顶部：图标居中 */
.cb-up{display:flex;align-items:center;justify-content:center;line-height:38px;text-align:center;padding:0;border-radius:4px}

/* emoji 占位 */
.thumb-emoji{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:46px;line-height:1;background:linear-gradient(135deg,rgba(0,137,123,.07),rgba(0,137,123,.16));color:var(--c-blue)}
.cb-card-img .thumb-emoji{position:absolute;inset:0;font-size:44px}
.cb-article-img{display:block;width:100%;height:280px;overflow:hidden;border-radius:var(--radius);margin:0 0 22px}
.cb-article-img img{width:100%;height:100%;object-fit:cover}
.cb-article-img .thumb-emoji{font-size:58px}
.cb-whot-img .thumb-emoji{font-size:18px}

/* 卡片截断（等高） */
.cb-card h4,.cb-card-body h4,.cb-whot-txt b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.cb-card p,.cb-card-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.cb-widget-list a span,.cb-feed a span{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}

/* 首页模块头 */
.cb-mod-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.cb-mod-head h2{font-size:22px;font-weight:800;margin:0}
.cb-mod-head p{font-size:13px;color:var(--c-muted);margin:4px 0 0}
.cb-mod-more{font-size:12px;font-weight:700;color:var(--c-blue);white-space:nowrap}
.cb-mod{margin-bottom:44px}
.cb-stat-row{display:flex;flex-wrap:wrap;text-align:center;gap:16px;max-width:1200px;margin:0 auto;padding:0 24px}
.cb-stat{flex:1 1 140px;min-width:120px;background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--radius);padding:20px 12px}
.cb-stat-num{display:block;font-size:28px;font-weight:800;color:var(--c-blue);line-height:1.15}
.cb-stat-label{display:block;font-size:12px;color:var(--c-muted);margin-top:4px}
@media(max-width:767px){.cb-mod-head{flex-direction:column;align-items:flex-start}.cb-foot-row{flex-direction:column;gap:20px}.cb-foot-col{flex:1 1 auto;min-width:0}}

/* 图片卡片 */
.cb-card.cb-card-media{padding:0;overflow:hidden}
.cb-card.cb-card-media:hover .cb-card-img img{transform:scale(1.04)}
.cb-card-media .cb-card-img img{transition:transform .4s}
.cb-feed-block{margin-bottom:30px}
.cb-feed-block h3{font-size:16px;font-weight:700;margin:0 0 10px;padding-bottom:7px;border-bottom:2px solid var(--c-dark)}

/* 侧栏分类树 */
.cb-cat{padding:9px 0;border-bottom:1px solid var(--c-border)}
.cb-cat:last-child{border-bottom:0}
.cb-cat-t{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-text)}
.cb-cat-t:hover{color:var(--c-blue)}
.cb-cat-t em{font-style:normal;font-size:11px;font-weight:400;color:var(--c-muted)}
.cb-cat-sub{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}
.cb-cat-sub a{display:inline-block;font-size:11px;padding:2px 8px;background:var(--c-bg);border:1px solid var(--c-border);border-radius:3px;color:var(--c-muted)}
.cb-cat-sub a:hover{background:var(--c-blue);border-color:var(--c-blue);color:#fff}
.cb-rank{display:flex;gap:8px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--c-border)}
.cb-rank:last-child{border-bottom:0}
.cb-rank-i{flex:0 0 16px;font-size:11px;font-weight:800;color:var(--c-muted);line-height:1.6;text-align:center}
.cb-rank:nth-child(1) .cb-rank-i{color:var(--c-blue)}
.cb-rank:nth-child(2) .cb-rank-i{color:#26a69a}
.cb-rank:nth-child(3) .cb-rank-i{color:#4db6ac}
.cb-rank a{font-size:12px;line-height:1.5;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.cb-rank a:hover{color:var(--c-blue)}