:root{--blue:#0c4a6e;--blue2:#075985;--orange:#f97316;--text:#172033;--muted:#687385;--line:#dfe7ef;--soft:#f3f8fc;--dark:#0f172a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 8px 28px rgba(15,23,42,.06)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0}.brand{display:flex;align-items:center;gap:12px}.brand img{width:64px;height:64px}.brand strong{display:block;color:var(--blue);font-size:22px}.brand small{color:var(--muted);font-weight:700}.nav{display:flex;gap:6px}.nav a{padding:9px 11px;border-radius:6px;color:var(--muted);font-weight:800}.nav a:hover{background:var(--soft);color:var(--blue)}.menu-btn{display:none}.hero{background:linear-gradient(135deg,#083344,#0c4a6e 52%,#f97316);color:#fff;padding:78px 0}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}.eyebrow{color:#fed7aa;text-transform:uppercase;font-weight:900;margin:0 0 10px}.hero h1{font-size:52px;line-height:1.08;margin:0 0 16px}.hero p{font-size:18px;color:#e0f2fe;max-width:780px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;padding:12px 18px;border-radius:6px;font-weight:900}.btn.primary{background:var(--orange);color:#fff}.btn.secondary{background:#fff;color:var(--blue)}.quote-card{background:#fff;color:var(--text);border-radius:10px;padding:24px;box-shadow:0 22px 60px rgba(0,0,0,.22)}.quote-card span{color:var(--orange);font-weight:900}.quote-card strong{display:block;color:var(--blue);font-size:36px;margin:8px 0}.quote-card p,.quote-card li{color:var(--muted)}.quick-nav{background:#fff;border-bottom:1px solid var(--line)}.nav-cards{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;padding:16px 0}.nav-cards a{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:13px;text-align:center;color:var(--blue);font-weight:900}.nav-cards a:hover{background:var(--blue);color:#fff}.section{padding:68px 0}.section-title{text-align:center;max-width:760px;margin:0 auto 28px}.section-title p{color:var(--orange);font-weight:900;text-transform:uppercase;margin:0 0 8px}.section-title h2{font-size:36px;line-height:1.2;margin:0}.price-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 36px rgba(15,23,42,.08)}.price-table{width:100%;border-collapse:collapse;background:#fff;min-width:760px}.price-table th{background:var(--blue);color:#fff;text-align:left;padding:14px}.price-table td{padding:14px;border-bottom:1px solid var(--line)}.price-table td:nth-child(3){color:var(--orange);font-weight:900}.band{background:var(--soft)}.content-grid{display:grid;grid-template-columns:1fr 420px;gap:30px;align-items:center}.content-grid h2,.service-matrix h2,.quote-section h2{font-size:34px;line-height:1.2;margin:0 0 14px}.content-grid p{color:var(--muted)}.keyword-box,.notice{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 12px 30px rgba(15,23,42,.06)}.keyword-box h3{margin-top:0}.keyword-box span{display:inline-flex;background:#fff3e8;color:#9a3412;border:1px solid #fed7aa;border-radius:999px;padding:7px 10px;margin:5px;font-weight:800}.service-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-matrix article,.machine-grid article{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 12px 30px rgba(15,23,42,.06)}.service-matrix p{color:var(--muted)}.machine-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.machine-grid strong{display:block;color:var(--blue);font-size:21px}.machine-grid span{color:var(--muted)}.notice strong{display:block;color:var(--orange);font-size:24px}.quote-section{background:linear-gradient(135deg,var(--dark),var(--blue));color:#fff;padding:70px 0}.quote-grid{display:grid;grid-template-columns:1fr 430px;gap:30px;align-items:center}.quote-section p{color:#dbeafe}.quote-form{display:grid;gap:10px;background:#fff;border-radius:10px;padding:20px}.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:12px;font:inherit}.quote-form textarea{min-height:110px}.quote-form button{border:0;background:var(--orange);color:#fff;border-radius:6px;padding:13px;font-weight:900}.site-footer{background:#07111f;color:#dbeafe;padding:42px 0}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:26px}.site-footer h2,.site-footer h3{color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#dbeafe;margin:7px 0}.fixed-contact{position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:8px}.fixed-contact a{background:var(--orange);color:#fff;padding:11px 15px;border-radius:999px;font-weight:900;box-shadow:0 12px 28px rgba(249,115,22,.28)}
@media(max-width:980px){.hero-grid,.content-grid,.quote-grid,.footer-grid{grid-template-columns:1fr}.nav-cards{grid-template-columns:repeat(3,1fr)}.service-matrix{grid-template-columns:1fr}.machine-grid{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:40px}}
@media(max-width:720px){.menu-btn{display:block;background:var(--blue);color:#fff;border:0;border-radius:6px;font-size:24px;padding:8px 12px}.nav{display:none;position:absolute;left:16px;right:16px;top:86px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px}.nav.open{display:grid}.nav-cards{grid-template-columns:1fr}.hero{padding:52px 0}.hero h1{font-size:32px}.section{padding:46px 0}.machine-grid{grid-template-columns:1fr}.fixed-contact{left:16px;right:16px;grid-template-columns:1fr 1fr}.fixed-contact a{text-align:center}}

.keyword-section{background:#fff}.seo-keywords{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.seo-keywords span{display:inline-flex;background:var(--soft);border:1px solid var(--line);color:var(--blue);font-weight:900;border-radius:999px;padding:10px 13px}
.article-showcase{background:var(--soft)}.home-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.home-article-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 14px 34px rgba(15,23,42,.08);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.home-article-card:hover{transform:translateY(-4px);border-color:#bfdbfe;box-shadow:0 20px 44px rgba(15,23,42,.12)}.home-article-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#e2e8f0}.home-article-card span{display:inline-flex;margin:18px 18px 0;background:#fff3e8;color:#9a3412;border:1px solid #fed7aa;border-radius:999px;padding:6px 10px;font-weight:900;font-size:13px}.home-article-card h3{font-size:22px;line-height:1.25;margin:12px 18px 8px;color:var(--blue)}.home-article-card p{margin:0 18px 20px;color:var(--muted)}
.page-hero{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;padding:64px 0}.page-hero h1{font-size:42px;line-height:1.16;margin:0 0 12px;max-width:900px}.page-hero p{max-width:760px;color:#dbeafe}.article-layout{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start}.article-list{display:grid;gap:16px}.article-card{display:grid;grid-template-columns:72px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 12px 30px rgba(15,23,42,.06)}.article-card>span{display:grid;place-items:center;width:58px;height:58px;background:var(--soft);color:var(--blue);font-weight:900;border-radius:10px;font-size:22px}.article-card time{color:var(--orange);font-weight:900}.article-card h2{font-size:24px;line-height:1.25;margin:6px 0}.article-card p,.detail-content p,.detail-content li,.side-box p{color:var(--muted)}.read-more{color:var(--blue);font-weight:900}.article-sidebar{display:grid;gap:16px;position:sticky;top:94px}.side-box{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 12px 30px rgba(15,23,42,.06)}.side-box h3{margin:0 0 10px}.side-box a{display:block;color:var(--blue);font-weight:900;padding:8px 0;border-bottom:1px solid var(--line)}.side-box a:last-child{border-bottom:0}.contact-box a,.detail-cta a{display:inline-flex;background:var(--orange);color:#fff;border-radius:6px;padding:11px 14px;border-bottom:0}.breadcrumb{display:flex;gap:8px;align-items:center;margin-bottom:12px;font-weight:900}.breadcrumb a{color:#fff}.detail-layout{padding:52px 0}.detail-content .lead{font-size:20px;color:var(--text);font-weight:800}.detail-content h2{font-size:30px;margin:28px 0 12px}.mini-table{min-width:0;margin:18px 0 28px}.detail-cta{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:24px;margin-top:28px}.detail-cta h2{margin-top:0}
@media(max-width:980px){.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}.page-hero h1{font-size:34px}}
@media(max-width:980px){.home-article-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.article-card{grid-template-columns:1fr}.article-card>span{width:48px;height:48px}.detail-layout{padding:36px 0}.detail-content h2{font-size:25px}.home-article-grid{grid-template-columns:1fr}.home-article-card h3{font-size:20px}}

.header-contact{background:#fff;border-top:1px solid var(--line);box-shadow:0 10px 28px rgba(15,23,42,.05)}.header-contact-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:center;padding:14px 0}.contact-card{position:relative;min-width:0;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #111827;border-radius:14px;padding:10px 12px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.contact-card:hover{transform:translateY(-2px);background:#fafafa;box-shadow:0 12px 28px rgba(15,23,42,.12)}.hotline-card,.social-card{border-color:#111827;border-radius:14px}.hotline-card:before,.hotline-card:after{display:none}.contact-icon{position:relative;flex:0 0 52px;width:52px;height:52px;display:grid;place-items:center;border-radius:50%;font-weight:900;background:#111827;color:#fff;border:3px solid #111827;box-shadow:inset 0 0 0 2px #fff}.contact-icon:after{content:"";position:absolute;right:0;bottom:2px;width:12px;height:12px;background:#22c55e;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 0 rgba(34,197,94,.55);animation:contact-online 1.5s ease-out infinite}.contact-icon svg{width:42px;height:42px;display:block}.headset-icon svg,.phone-icon svg{fill:none;stroke:#fff;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.headset-icon svg rect,.phone-icon svg circle{fill:#fff;stroke:#fff}.phone-icon svg circle{fill:none}.phone-icon svg path{fill:none}.zalo-icon,.facebook-icon{background:#111827;color:#fff;font-family:Arial,Helvetica,sans-serif}.zalo-icon{font-size:32px}.facebook-icon{font-size:38px;line-height:1}.contact-text{min-width:0;display:grid;line-height:1.1}.contact-text small{font-size:18px;font-weight:800;white-space:nowrap}.contact-text strong{margin-top:5px;color:#111827;font-size:20px;font-weight:900;line-height:1;white-space:nowrap}.social-card .contact-text small{font-size:14px}.social-card .contact-text strong{font-size:21px;color:#111827}.zalo-card:hover,.facebook-card:hover{border-color:#111827}@keyframes contact-online{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 9px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@media(max-width:1120px){.header-contact-inner{grid-template-columns:1fr 1fr}.contact-text strong{font-size:25px}.social-card .contact-text strong{font-size:21px}}
@media(max-width:720px){.header-contact-inner{grid-template-columns:1fr;gap:10px;padding:12px 0}.contact-card{padding:9px 10px}.contact-icon{width:46px;height:46px;flex-basis:46px}.contact-icon svg{width:36px;height:36px}.contact-text small{font-size:15px}.contact-text strong{font-size:20px}.social-card .contact-text strong{font-size:20px}}