:root{
  --ink:#102a43;
  --ink-soft:#486581;
  --teal:#0f9fa6;
  --teal-dark:#087f86;
  --gold:#f2b84b;
  --surface:#ffffff;
  --surface-soft:#f5f9fb;
  --line:#d9e5eb;
  --shadow:0 18px 45px rgba(16,42,67,.12);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding:28px 14px 56px;background:#edf4f7;color:var(--ink);font:15px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Tahoma,Arial,sans-serif;letter-spacing:.005em}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 8% 0%,rgba(15,159,166,.13),transparent 34%),radial-gradient(circle at 92% 8%,rgba(242,184,75,.16),transparent 28%);pointer-events:none}
a{color:var(--teal-dark);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(242,184,75,.8);outline-offset:3px}
img{max-width:100%;height:auto}

.container{width:min(1240px,100%);margin:0 auto;background:var(--surface);border:1px solid rgba(217,229,235,.9);border-radius:24px;box-shadow:var(--shadow);overflow:visible;position:relative;display:flex;flex-direction:column}
.container>.sfooter{order:1;position:relative;inset:auto;width:auto;height:auto;min-height:168px;padding:34px 42px 27px;background:linear-gradient(125deg,#102a43 0%,#155e75 72%,#0f9fa6 100%);border-radius:23px 23px 0 0;color:#fff;overflow:hidden}
.container>.sfooter::after{content:"";position:absolute;right:-80px;top:-100px;width:310px;height:310px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 24px rgba(255,255,255,.04),0 0 0 48px rgba(255,255,255,.03);pointer-events:none}
.sfooter h1{position:relative;z-index:1;margin:0 280px 8px 0;color:#fff;font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.14;letter-spacing:-.035em}
.sfooter h2{display:none}
.sfooter p{position:relative;z-index:1;max-width:720px;margin:0;color:#d9f1f2;font-size:16px;line-height:1.55}

.container>.header{order:2;position:relative;inset:auto;left:auto;width:auto;height:auto;margin:0;padding:12px 42px;border-bottom:1px solid var(--line);background:#fff}
.header .hcontent{height:auto;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:18px;overflow:visible}
.header .hcontent::before{content:"Giải pháp nền móng rõ ràng, thi công an toàn";color:var(--ink-soft);font-size:13px;font-weight:600}
.right-top-box{position:static;display:flex;align-items:center;justify-content:flex-end;gap:12px;margin:0}
.top-cart{float:none;width:auto;padding:0 14px;background:#fff3d8;border:1px solid #f4d28b;border-radius:999px;line-height:36px;text-align:center}
.top-cart a{color:#8a5b08;font-weight:700;font-size:13px}
.top-search{float:none;width:230px;margin:0;padding:4px 8px;border:1px solid var(--line);border-radius:999px;background:var(--surface-soft);display:flex;align-items:center}
.top-search form{display:flex;width:100%;align-items:center}
#search-key{float:none;width:100%;height:28px;background:transparent;color:var(--ink);font:14px inherit;outline:0}
#search-button{float:none;width:22px;height:22px;margin:0;border:0;background:var(--teal);border-radius:50%;filter:none}

.container .header>#ddsmoothmenu{order:3;width:auto;height:auto;min-height:56px;margin:18px 0 0;background:var(--ink);border-radius:15px;box-shadow:0 9px 18px rgba(16,42,67,.16);position:relative;z-index:10}
#ddsmoothmenu ul.navi{display:flex;align-items:stretch;justify-content:center;flex-wrap:wrap;gap:3px;margin:0;padding:5px;list-style:none}
#ddsmoothmenu ul.navi>li{float:none;padding:0;position:relative}
#ddsmoothmenu ul.navi>li>a{display:block;margin:0;padding:11px 13px;border-radius:10px;color:#eaf8fa;font-size:13px;font-weight:750;letter-spacing:.035em;line-height:1.25;white-space:nowrap}
#ddsmoothmenu ul.navi>li>a:hover,#ddsmoothmenu ul.navi>li>a.active,#ddsmoothmenu ul.navi>li>a.selected{background:rgba(15,159,166,.35);color:#fff}
#ddsmoothmenu ul.navi li ul{left:0;top:100%!important;width:250px;padding:7px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 30px rgba(16,42,67,.16)}
#ddsmoothmenu ul.navi li:hover>ul{display:block;left:0}
#ddsmoothmenu ul.navi li ul li{float:none;width:100%;padding:0}
#ddsmoothmenu ul.navi li ul li a{width:auto;margin:0;padding:9px 11px;border-radius:8px;color:var(--ink);font:600 13px/1.35 inherit;white-space:normal}
#ddsmoothmenu ul.navi li ul li a:hover{background:#e8f7f7;color:var(--teal-dark)}

.container>.wrapper{order:4;width:auto;margin:0;padding:30px 42px 12px!important;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:30px;overflow:visible}
.wrapper .right_content,.wrapper .left_content{float:none;width:auto;margin:0;min-width:0}
.wrapper .right_content{order:1;line-height:1.7}
.wrapper .left_content{order:2}
.mid_content,.rightsidebar{float:none;width:auto;position:relative;padding-top:0}
.container-sub-div{float:none;width:100%;margin:0 0 22px;padding:0;background:var(--surface);border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 20px rgba(16,42,67,.06);overflow:hidden}
.mainbody .mid_content{display:flex;flex-direction:column}
.mainbody .mid_content>.container-sub-div:nth-child(1){order:4}
.mainbody .mid_content>.container-sub-div:nth-child(2){order:1}
.mainbody .mid_content>.container-sub-div:nth-child(3){order:2}
.mainbody .mid_content>.container-sub-div:nth-child(4){order:3}
.title-h3,h3.title-side-bar{width:auto!important;height:auto;min-height:0;margin:0;padding:17px 20px 13px;background:none;border-bottom:3px solid #d7f1f1;color:var(--ink);font-size:17px;font-weight:800;line-height:1.25;letter-spacing:.01em}
.title-h3::after,h3.title-side-bar::after{content:"";display:block;width:48px;margin-top:10px;border-bottom:3px solid var(--teal)}
.ct-div-sub{float:none;width:auto!important;padding:18px 20px!important;text-align:left;line-height:1.7}
.ct-div-sub>p:first-child{margin-top:0}
.ct-div-sub>p:last-child{margin-bottom:0}
.ct-div-sub iframe{display:block;width:100%;max-width:720px;min-height:320px;margin:0 auto;border:0;border-radius:12px}

.ct-div-sub ul.list-sp{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;float:none;width:auto;margin:0;padding:0;list-style:none}
.ct-div-sub ul.list-sp li,.hide_right_sidebar .ct-div-sub ul.list-sp li{float:none;width:auto;margin:0!important;padding:14px;background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.ct-div-sub ul.list-sp li:hover{transform:translateY(-3px);border-color:#a8dfe1;box-shadow:0 12px 22px rgba(16,42,67,.1)}
.ct-div-sub ul.list-sp li p{text-align:left;margin:0 0 10px}
.ct-div-sub ul.list-sp li p:first-child{min-height:58px}
.ten-sp-ct{display:block;color:var(--ink);font-size:15px;font-weight:800;line-height:1.35}
.fix-img,.hide_right_sidebar .fix-img{height:178px;margin:0 0 11px;display:grid;place-items:center;overflow:hidden;position:relative;background:#fff;border-radius:10px}
.fix-img img,.content-img{width:100%;height:100%;object-fit:contain}
.gia-sp-ct{color:var(--ink-soft)!important;font-size:14px;font-weight:700}
.button-block{display:flex;gap:8px;align-items:center;margin-top:10px}
.chitiet-sp,.buy-btn,.mua-sp{float:none!important;display:inline-flex!important;align-items:center;justify-content:center;width:auto!important;min-height:36px;margin:0!important;padding:8px 12px!important;background:var(--teal)!important;border:0;border-radius:9px;color:#fff!important;font-size:12px;font-weight:800;line-height:1.2}
.chitiet-sp:hover,.buy-btn:hover,.mua-sp:hover{background:var(--ink)!important;color:#fff!important;transform:translateY(-1px)}

ul.list_articles{margin:0;padding:0;list-style:none}
ul.list_articles li{display:grid;grid-template-columns:190px minmax(0,1fr);gap:16px;align-items:start;width:100%;margin:0 0 16px;padding:14px;background:var(--surface-soft);border:1px solid var(--line);border-radius:14px;overflow:hidden}
ul.list_articles li:last-child{margin-bottom:0}
ul.list_articles li a.images{float:none;width:auto;margin:0;text-align:center}
ul.list_articles li a.images img{display:block;width:100%;height:130px;object-fit:cover;border-radius:10px}
ul.list_articles li p{margin:0 0 8px;text-align:left}
ul.list_articles li p.title-art-list{grid-column:2;margin:0}
ul.list_articles li p.title-art-list a{color:var(--ink);font-size:16px;font-weight:800;line-height:1.35}
ul.list_articles li>div.intro_art{grid-column:2;grid-row:2}
ul.list_articles li>p:last-child{grid-column:2}
.art_date{color:var(--ink-soft);font-size:12px}

.container-ct-sidebar{float:none;width:auto;margin:0 0 18px;padding:0;background:var(--surface-soft);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.container-ct-sidebar:not(:has(.ct-sidebar img,.ct-sidebar a,.ct-sidebar p)){display:none}
.ct-sidebar{float:none;width:auto;height:auto;padding:15px 17px;line-height:1.65}
.ct-sidebar p{margin:0 0 10px}
.ct-sidebar p:last-child{margin-bottom:0}
.ct-sidebar img{border-radius:12px}
.navigation{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.topNavigation{position:static;margin:0 0 20px;padding:0 20px}
.topNavigation .navigation li{font-size:12px;color:var(--ink-soft)}

.product-detail,.article-detail{float:none;width:auto!important;padding:24px 28px;font-size:16px;line-height:1.8;background:var(--surface);border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 20px rgba(16,42,67,.06)}
.product-detail h1,.article-detail h1{margin:0 0 16px;color:var(--ink);font-size:clamp(25px,3vw,36px);line-height:1.2;letter-spacing:-.025em}
.product-detail h2,.article-detail h2,.news_content h2{margin-top:28px;color:var(--ink);font-size:22px;line-height:1.3}
.product-detail .description,.news_content,.post-content{color:#334e68;font-size:16px;line-height:1.8}
.article-detail .introduce{padding:15px 17px;background:#eaf7f7;border-left:4px solid var(--teal);border-radius:0 10px 10px 0;color:var(--ink);font-size:16px;line-height:1.65}
.webForm{max-width:680px;margin:24px 0 0;padding:20px;background:var(--surface-soft);border:1px solid var(--line);border-radius:14px}
.webForm table{width:100%;border-collapse:collapse}
.webForm td{padding:0 0 14px;vertical-align:top}
.webForm label{display:block;margin:0 0 5px;color:var(--ink);font-size:13px;font-weight:750}
.webForm input[type=text],.webForm input[type=email],.webForm input[type=tel],.webForm textarea{display:block;width:100%;max-width:100%;padding:11px 12px;border:1px solid #c9d9e0;border-radius:9px;background:#fff;color:var(--ink);font:inherit;line-height:1.35}
.webForm textarea{min-height:120px;resize:vertical}
.webForm input[type=submit],.webForm input[type=button]{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 18px;border:0;border-radius:9px;background:var(--teal)!important;color:#fff!important;font:750 13px inherit;cursor:pointer}
.webForm input[type=submit]:hover,.webForm input[type=button]:hover{background:var(--ink)!important}
.product-infos{margin:22px 0 12px;padding:14px 16px;background:var(--surface-soft);border-radius:10px}
.product-infos span{width:150px;color:var(--ink-soft)}
.product-infos span.price,.gia-sp-ct{color:#b06a00!important}
.news_content img,.post-content img,.product-detail img,.article-detail img{border-radius:12px}
.news_content table,.post-content table,.product-detail table{width:100%;border-collapse:collapse;margin:20px 0;background:#fff}
.news_content th,.news_content td,.post-content th,.post-content td,.product-detail th,.product-detail td{padding:11px 13px;border:1px solid var(--line);text-align:left}
.news_content th,.post-content th,.product-detail th{background:#eaf7f7;color:var(--ink)}

.container>.footerWidgets{order:5;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;width:auto;margin:10px 28px 0;padding:26px 14px 22px;border-top:1px solid var(--line);overflow:visible}
.footer-ct-sidebar{float:none;width:auto;margin:0;line-height:1.7}
.footer-title-side-bar{margin:0 0 10px;color:var(--ink);font-size:14px;letter-spacing:.08em}
.f-ct-sidebar{color:var(--ink-soft)}
.container>.footer{order:6;width:auto;height:auto;min-height:64px;margin:0 28px 26px;background:var(--ink);border-radius:14px;color:#d8e7ee}
.copyright{position:static;padding:18px 22px;line-height:1.5;text-align:left}
.copyright a{color:#fff}
.dmca-badge{display:inline-block;margin:0 28px 12px}
.site-footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:18px auto 0;padding:15px 20px;background:#e5f0f3;border:1px solid var(--line);border-radius:12px;color:var(--ink-soft);font-size:13px}
.site-footer-links a{color:var(--ink-soft);font-weight:700}
.internal-links{max-width:none;margin:20px 0;padding:18px 20px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:14px;box-shadow:0 8px 20px rgba(16,42,67,.05);color:var(--ink-soft);line-height:1.65}
.internal-links h2{margin:0 0 10px;color:var(--ink);font-size:18px}
.internal-links ul{margin:0;padding-left:20px}
#back_to_top{background-color:var(--teal);border-radius:50%;box-shadow:0 5px 15px rgba(16,42,67,.2)}

/* A single, calm footer for the archive pages. Related links remain useful,
   but are visually grouped with the contact and navigation information. */
.footer-modern{width:min(1240px,100%);margin:20px auto 24px;padding:28px 30px 18px;background:linear-gradient(135deg,#102f4c 0%,#123b5a 62%,#0b5968 100%);border:1px solid rgba(255,255,255,.12);border-radius:18px;color:#dcecf1;box-shadow:0 16px 34px rgba(16,42,67,.16);display:flex;flex-wrap:wrap;align-items:flex-start;gap:22px 28px;box-sizing:border-box}
.footer-modern .dmca-badge{display:block;order:5;margin:0;opacity:.72;flex:0 0 100%;height:0;overflow:hidden}
.footer-modern .internal-links{flex:1 1 300px;min-width:0;margin:0;padding:0;background:transparent;border:0;border-radius:0;box-shadow:none;color:#cfe1e7;line-height:1.7}
.footer-modern .internal-links h2{margin:0 0 10px;color:#fff;font-size:16px;letter-spacing:.01em}
.footer-modern .internal-links ul{margin:0;padding-left:18px}
.footer-modern .internal-links li{margin:4px 0}
.footer-modern .internal-links a{color:#d7edf0;text-decoration:none}
.footer-modern .internal-links a:hover,.footer-modern .site-footer-links a:hover{color:#fff;text-decoration:underline}
.footer-modern .site-footer-links{order:4;flex:0 0 100%;justify-content:flex-start;gap:8px 22px;margin:2px 0 0;padding:14px 0 0;background:transparent;border:0;border-top:1px solid rgba(220,240,244,.22);border-radius:0;color:#cfe1e7;font-size:13px}
.footer-modern .site-footer-links a{color:#e6f5f6;font-weight:750}
.container>.footer{min-height:0;margin-bottom:0;background:transparent;border-radius:0;color:var(--ink-soft)}
.container>.footer .copyright{padding:14px 22px 16px;color:var(--ink-soft);text-align:center;font-size:13px}
.container>.footer .copyright a{color:var(--teal-dark)}

/* Editorial routes use the same calm palette while keeping their archive structure. */
.blog-header{width:min(1240px,100%);max-width:none;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:24px 24px 0 0;box-shadow:var(--shadow);position:relative}
.blog-header .blog-shell{max-width:none;min-height:0;padding:30px 42px 20px}
.blog-header .blog-shell>a:first-child{padding:0;color:var(--ink);font-size:25px;font-weight:850;letter-spacing:-.03em}
.blog-header .blog-shell>a:first-child::after{content:" / Nền móng & công trình dân dụng";color:var(--teal-dark);font-size:13px;font-weight:700;letter-spacing:0}
.blog-header .blog-shell nav{position:static;left:auto;right:auto;bottom:auto;display:flex;flex-wrap:wrap;gap:4px;margin:24px 0 0;padding:5px;background:var(--ink);border-radius:14px}
.blog-header .blog-shell nav a{margin:0;padding:10px 13px;border-radius:9px;color:#eaf8fa!important;font-size:13px;font-weight:750}
.blog-header .blog-shell nav a:hover,.blog-header .blog-shell nav a[aria-current=page]{background:rgba(15,159,166,.35);color:#fff!important}
.blog-header+.seo-breadcrumbs,.blog-header~main.blog-shell,.blog-header~main.blog-article,.blog-header~footer.blog-footer{width:min(1240px,100%);max-width:none;margin:0 auto;background:#fff;box-sizing:border-box}
.blog-header+.seo-breadcrumbs{padding:18px 42px 8px;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.blog-header~main.blog-shell,.blog-header~main.blog-article{padding:0 42px 34px;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.blog-header~footer.blog-footer{border:1px solid var(--line);border-top:0;border-radius:0 0 24px 24px;margin-bottom:24px}
.blog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.blog-card{border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 20px rgba(16,42,67,.06);transition:transform .2s ease,box-shadow .2s ease}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px rgba(16,42,67,.12)}
.blog-card img{height:190px;background:#dceff0 center/cover no-repeat}
.blog-card:nth-child(1) img{background-image:url('/_assets/4532d799134e.jpg')}
.blog-card:nth-child(2) img{background-image:url('/_assets/de35f2d7e6bb.jpg')}
.blog-card:nth-child(3) img{background-image:url('/_assets/30a00393b175.jpg')}
.blog-card-body{padding:18px}
.blog-card h2{color:var(--ink);font-size:18px}
.blog-card a{color:var(--teal-dark)}
.blog-article h1{color:var(--ink);font-size:clamp(28px,4vw,42px);letter-spacing:-.035em}
.blog-article h2{color:var(--ink);font-size:24px}
.blog-article p,.blog-article li{color:#334e68;line-height:1.8}
.blog-article table{border-radius:12px;overflow:hidden}
.blog-article th{background:#eaf7f7;color:var(--ink)}

@media(max-width:900px){
  body{padding:16px 10px 40px}
  .container>.sfooter{padding:28px 26px 24px}
  .sfooter h1{margin-right:80px}
  .container>.header{padding:10px 26px}
  .container>.wrapper{grid-template-columns:minmax(0,1fr) 225px;padding-left:26px!important;padding-right:26px!important;gap:18px}
  .container>.footerWidgets{margin-left:18px;margin-right:18px}
  .container>.footer{margin-left:18px;margin-right:18px}
  .blog-header .blog-shell,.blog-header~main.blog-shell,.blog-header~main.blog-article{padding-left:26px;padding-right:26px}
  .blog-header+.seo-breadcrumbs{padding-left:26px;padding-right:26px}
}
@media(max-width:700px){
  body{font-size:14px}
  .container{border-radius:18px}
  .container>.sfooter{border-radius:17px 17px 0 0;min-height:150px;padding:24px 20px 22px}
  .sfooter h1{margin-right:0;font-size:28px}
  .sfooter p{font-size:14px}
  .header .hcontent{display:block}
  .header .hcontent::before{display:block;margin-bottom:9px;font-size:12px}
  .right-top-box{justify-content:stretch;gap:8px}
  .top-cart{line-height:34px;padding:0 10px}
  .top-search{flex:1;width:auto}
  .container .header>#ddsmoothmenu{margin:12px 0 0;border-radius:12px}
  #ddsmoothmenu ul.navi{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:thin}
  #ddsmoothmenu ul.navi>li>a{padding:10px 11px;font-size:12px}
  #ddsmoothmenu ul.navi li ul{display:none!important}
  .container>.wrapper{display:block;padding:20px 14px 8px!important}
  .wrapper .left_content{margin-top:22px}
  .ct-div-sub{padding:15px!important}
  .ct-div-sub ul.list-sp{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .ct-div-sub ul.list-sp li{padding:10px}
  .ct-div-sub ul.list-sp li p:first-child{min-height:0}
  .fix-img,.hide_right_sidebar .fix-img{height:130px}
  .ten-sp-ct{font-size:13px}
  .button-block{display:grid;grid-template-columns:1fr 1fr}
  .chitiet-sp{padding-left:7px!important;padding-right:7px!important;font-size:11px}
  ul.list_articles li{grid-template-columns:105px minmax(0,1fr);gap:10px;padding:10px}
  ul.list_articles li a.images img{height:88px}
  ul.list_articles li p.title-art-list{grid-column:2}
  ul.list_articles li>div.intro_art{grid-column:2;grid-row:2}
  .container>.footerWidgets{display:block;margin-left:14px;margin-right:14px;padding:20px 8px}
  .footer-ct-sidebar{margin-bottom:18px}
  .container>.footer{margin-left:14px;margin-right:14px;margin-bottom:14px}
  .footer-modern{margin-top:14px;margin-bottom:14px;padding:22px 18px 16px;border-radius:16px;gap:18px}
  .footer-modern .internal-links{flex-basis:100%}
  .footer-modern .site-footer-links{gap:8px 16px}
  .product-detail,.article-detail{padding:18px 16px;font-size:15px}
  .product-detail h1,.article-detail h1{font-size:25px}
  .blog-header{border-radius:18px 18px 0 0}
  .blog-header .blog-shell,.blog-header~main.blog-shell,.blog-header~main.blog-article{padding-left:16px;padding-right:16px}
  .blog-header+.seo-breadcrumbs{padding-left:16px;padding-right:16px}
  .blog-header .blog-shell>a:first-child{font-size:21px}
  .blog-header .blog-shell>a:first-child::after{display:block;margin-top:3px;font-size:11px}
  .blog-header .blog-shell nav{overflow-x:auto;flex-wrap:nowrap}
  .blog-header .blog-shell nav a{font-size:12px;padding:9px 10px}
  .blog-grid{grid-template-columns:1fr}
  .blog-card img{height:170px}
}