/* DAT PHAT COMPUTER | Vietnamese local service website | Bootstrap 5.3 CDN */
:root{--primary:#075891;--primary-dark:#084571;--accent:#ed751c;--ink:#263746;--muted:#667786;--line:#e0e6eb;--pale:#f3f7fa;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{font-family:Arial,"Helvetica Neue",sans-serif;color:var(--ink);background:#fff;font-size:15px;line-height:1.67}a{color:var(--primary);text-decoration:none}a:hover{color:#d76412}img{max-width:100%}h1,h2,h3,h4,h5{font-family:Arial,"Helvetica Neue",sans-serif;line-height:1.35;font-weight:700;color:#1f3448}h1{font-size:clamp(27px,3vw,38px)}h2{font-size:27px}h3{font-size:20px}h4{font-size:18px}.container{max-width:1170px}.topbar{background:#f4f6f7;border-bottom:1px solid #e7ecef;color:#5d6973;font-size:12px}.topbar .container{min-height:36px;display:flex;justify-content:space-between;align-items:center;gap:15px}.topbar i{color:var(--primary);margin-right:5px}.site-brandbar{background:#fff}.brandbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:93px;gap:25px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-icon{background:var(--primary);width:53px;height:53px;flex:0 0 53px;color:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:26px;position:relative}.brand-icon:after{content:'';height:8px;width:8px;background:#ff932c;position:absolute;right:4px;top:5px;border:2px solid white;border-radius:50%}.brand-title{display:block;color:var(--primary);font-weight:800;font-size:24px;line-height:1.18;letter-spacing:-.3px}.brand-desc{font-size:12px;color:#647989;display:block;margin-top:2px}.brand:hover .brand-title{color:var(--primary)}.header-help{display:flex;align-items:center;gap:13px}.header-help i{font-size:31px;color:var(--accent)}.header-help small{display:block;color:#697a88;line-height:1.25;font-size:13px}.header-phone{font-size:24px;font-weight:800;color:#d65e10;line-height:1.4}.nav-shell{background:var(--primary);box-shadow:0 2px 5px rgba(0,0,0,.07)}.navbar{padding:0}.navbar-nav .nav-link{padding:14px 17px!important;color:white!important;font-size:14px;font-weight:700}.navbar-nav .nav-link:hover,.navbar-nav .nav-link.active,.navbar-nav .show>.nav-link{background:#08436e;color:#fff!important}.navbar-toggler{border-color:rgba(255,255,255,.4);margin:8px 0}.navbar-toggler-icon{filter:brightness(0) invert(1)}.dropdown-menu{border:1px solid #e4e7e9;border-radius:0;box-shadow:0 8px 18px #0002;margin-top:0}.dropdown-item{font-size:14px;padding:9px 17px}.dropdown-item:hover{background:#eef6fb;color:var(--primary)}.nav-cta{background:var(--accent);padding:12px 17px;white-space:nowrap;color:white;font-weight:700;font-size:13px;border:0}.nav-cta:hover{background:#db6510;color:white}
.hero{background:#f0f5f8;border-bottom:1px solid #e5e9ed}.hero-content{padding:43px 0}.eyebrow{font-size:13px;color:#45677f;font-weight:700;margin-bottom:9px;display:block}.hero h1{margin:0 0 15px;font-size:clamp(27px,3.1vw,40px)}.hero-lead{font-size:16px;color:#4f606c;line-height:1.85;margin-bottom:19px}.hero-checked{padding:0;margin:0 0 22px;list-style:none}.hero-checked li{margin-bottom:7px;font-size:14px}.hero-checked i{color:#1b8752;margin-right:8px}.btn{border-radius:4px;font-weight:700;font-size:14px;padding:10px 18px}.btn-primary{background:var(--primary);border-color:var(--primary)}.btn-primary:hover{background:#064775;border-color:#064775}.btn-warning-custom{background:var(--accent);color:white;border:1px solid var(--accent)}.btn-warning-custom:hover{background:#d4600e;border-color:#d4600e;color:white}.btn-outline-primary{color:var(--primary);border-color:var(--primary)}.btn-outline-primary:hover{background:var(--primary);border-color:var(--primary)}.hero-photo-wrap{height:100%;min-height:310px;position:relative;overflow:hidden}.hero-photo{width:100%;height:100%;min-height:370px;object-fit:cover;object-position:center}.hero-photo-wrap:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(240,245,248,.35),transparent 35%);pointer-events:none}.photo-caption{position:absolute;bottom:24px;right:14px;z-index:1;background:#fff;padding:10px 15px;border-left:4px solid var(--accent);box-shadow:0 3px 10px #0002;max-width:235px;font-size:12px}.photo-caption strong{display:block;font-size:14px;color:var(--primary)}.trust-strip{background:white;border-bottom:1px solid var(--line)}.trust-strip .row>div{padding:18px 20px;border-right:1px solid #edf0f2}.trust-strip .row>div:last-child{border:0}.trust-item{display:flex;align-items:center;gap:12px;font-size:13px;line-height:1.4}.trust-item i{font-size:29px;color:var(--primary)}.trust-item strong{display:block;font-size:14px;color:#263b4f;margin-bottom:2px}
.section{padding:50px 0}.section-light{background:var(--pale)}.section-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.section-title h2{font-size:26px;margin:0;padding-bottom:8px;border-bottom:3px solid var(--accent);display:inline-block}.section-subtitle{color:var(--muted);max-width:770px;margin-top:-8px;margin-bottom:25px}.service-card,.info-card,.post-card,.feature-card{background:white;border:1px solid var(--line);height:100%;transition:border-color .15s ease,box-shadow .15s ease}.service-card:hover,.post-card:hover,.info-card:hover{box-shadow:0 4px 16px #0b37531c;border-color:#c2d8e6}.service-card .service-image,.post-image{display:block;width:100%;height:167px;object-fit:cover;background:#edf3f6}.service-card-body{padding:16px 18px 19px}.service-card h3{font-size:18px;min-height:48px;margin:0 0 9px}.service-card h3 a{color:#253c50}.service-card h3 a:hover{color:var(--primary)}.service-card p{font-size:14px;color:#667783;line-height:1.65;min-height:64px;margin:0 0 10px}.link-more{font-size:14px;font-weight:700}.link-more i{margin-left:3px}.problem-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 15px}.problem-list a{display:flex;align-items:center;gap:11px;padding:11px 13px;background:#fff;border:1px solid #e1e9ee;color:#354b5b;font-size:14px}.problem-list a:hover{border-color:var(--primary);color:var(--primary)}.problem-list i{color:var(--accent);font-size:20px}.side-cta{background:var(--primary);padding:25px;color:white}.side-cta h3{color:white;font-size:21px}.side-cta p{color:#e6eff5;font-size:14px}.side-cta .btn{background:var(--accent);color:#fff}.price-table th{background:#e9f1f6;color:#213c4e;font-size:14px}.price-table td{font-size:14px;vertical-align:middle}.small-note{font-size:12px;color:#647585}.step-box{display:flex;gap:13px;align-items:flex-start;padding:10px 0}.step-n{flex:0 0 36px;height:36px;border-radius:50%;background:var(--primary);color:white;font-weight:700;display:flex;align-items:center;justify-content:center}.step-box h3{margin:1px 0 3px;font-size:16px}.step-box p{margin:0;font-size:14px;color:#667783}.area-list{display:flex;flex-wrap:wrap;gap:10px}.area-list a{background:#fff;border:1px solid #dce5eb;color:#3d5261;padding:9px 13px;font-size:13px}.area-list a:hover{border-color:var(--primary);background:#eef7fb;color:var(--primary)}.post-card .post-text{padding:14px 16px}.post-card h3{font-size:16px;min-height:43px;margin:7px 0}.post-card h3 a{color:#263d50}.post-card h3 a:hover{color:var(--primary)}.post-meta{font-size:12px;color:#87939b}.post-card p{font-size:13px;color:#667783;margin-bottom:8px}.mini-cta{background:#e9f2f8;border:1px solid #cbdce9;padding:22px 26px}.mini-cta h2{font-size:22px;margin:0 0 7px}.mini-cta p{margin:0}.footer{background:#183a54;color:#d8e4ed;padding:40px 0 0}.footer h3{color:white;font-size:17px;margin-bottom:17px}.footer a{color:#dbeaf4}.footer a:hover{color:#fff;text-decoration:underline}.footer ul{padding:0;list-style:none}.footer ul li{margin-bottom:9px;font-size:14px}.footer small{color:#bdd0dc}.footer-bottom{background:#133047;padding:14px 0;margin-top:34px;color:#b7cbd8;font-size:12px}.footer .brand-title{color:white;font-size:20px}.footer .brand-desc{color:#bfcbd5}
.page-intro{background:#f0f5f8;border-bottom:1px solid var(--line);padding:25px 0 27px}.breadcrumb{margin-bottom:9px;font-size:13px}.breadcrumb-item+.breadcrumb-item::before{content:'›'}.page-intro h1{font-size:29px;margin:0 0 9px}.page-intro p{margin:0;color:#697a88}.content-shell{padding:34px 0 60px}.article-body{font-size:15px;color:#374b59;line-height:1.85}.article-body h2{font-size:23px;margin-top:30px;margin-bottom:12px}.article-body h3{font-size:18px;margin-top:23px}.article-body ul,.article-body ol{padding-left:22px}.article-body li{margin-bottom:7px}.article-body a{text-decoration:underline}.article-body img{border:1px solid var(--line);margin:8px 0 14px;max-height:430px;object-fit:cover;width:100%}.article-body .summary{padding:16px 19px;border-left:4px solid var(--primary);background:#f1f6f9;margin-bottom:20px}.toc{background:#f5f8fa;border:1px solid var(--line);padding:17px 22px;margin:23px 0}.toc strong{display:block;margin-bottom:7px}.toc ol{margin:0;padding-left:22px}.sidebar-box{border:1px solid var(--line);margin-bottom:20px;padding:18px;background:#fff}.sidebar-box h3{font-size:17px;border-bottom:2px solid var(--accent);padding-bottom:10px;margin-bottom:13px}.sidebar-box li{font-size:14px;border-bottom:1px dashed var(--line);padding:6px 0}.sidebar-box li:last-child{border:0}.sidebar-box ul{list-style:none;margin:0;padding:0}.contact-highlight{background:#edf5fa;padding:17px;margin:20px 0;border:1px solid #c6dfe9}.contact-highlight .phone-big{font-size:24px;font-weight:800;color:#cd5910}.side-photo{width:100%;height:155px;object-fit:cover;margin-bottom:15px}.pill{border:1px solid #d6e4ec;background:#f3f8fa;padding:4px 10px;display:inline-block;font-size:12px;margin:4px 4px 0 0;color:#476073}.table-responsive{border:1px solid var(--line)}.accordion-button{font-size:15px;font-weight:700;color:#264055}.accordion-button:not(.collapsed){background:#eef6fa;color:var(--primary);box-shadow:none}.form-label{font-size:14px;font-weight:700}.form-control,.form-select{border-radius:3px;font-size:14px;padding:10px 11px}.form-control:focus,.form-select:focus{border-color:#72a7ce;box-shadow:0 0 0 .2rem #07589118}.form-required{color:#c03a19}.form-demo-note{background:#fff9e9;border-left:3px solid #f3b64f;padding:10px 12px;font-size:12px;margin-top:14px;color:#6b5731}.notice{padding:14px 17px;background:#fff9e7;border-left:4px solid #e8a92e;color:#655b41;font-size:14px}.tools-result{background:#eef7fb;border:1px solid #c9e0ef;padding:16px;margin-top:15px;display:none}.tools-result.show{display:block}.tools-result ul{margin-bottom:0}.tag-btn{border:1px solid #d4e0e7;background:white;padding:7px 13px;font-size:13px;color:#3c596b;border-radius:3px}.tag-btn:hover,.tag-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.search-box{position:relative}.search-box i{position:absolute;left:13px;top:11px;color:#7c8c97}.search-box input{padding-left:40px}.empty-state{background:#f8fafb;border:1px dashed #cdd7de;padding:35px;text-align:center}.floating-links{position:fixed;z-index:1050;right:14px;bottom:95px;display:flex;flex-direction:column;gap:10px}.floating-link{position:relative;display:flex;align-items:center;justify-content:center;width:53px;height:53px;border:2px solid white;box-shadow:0 2px 10px #0003;color:white;border-radius:50%;font-size:21px;transition:transform .2s}.floating-link:hover{transform:translateX(-3px);color:white}.floating-phone{background:#e9661e;animation:pulse 2.5s infinite}.floating-zalo{background:#0676d6;font-size:14px;font-weight:900;font-family:Arial,sans-serif}.floating-form{background:#188455}.floating-tooltip{position:absolute;right:61px;top:12px;white-space:nowrap;background:#293c4b;color:white;font-size:12px;font-weight:700;padding:6px 10px;border-radius:3px;opacity:0;pointer-events:none;transform:translateX(4px);transition:.2s}.floating-link:hover .floating-tooltip{opacity:1;transform:translateX(0)}@keyframes pulse{0%,100%{box-shadow:0 2px 10px #0003,0 0 0 0 #ed751c55}50%{box-shadow:0 2px 10px #0003,0 0 0 8px #ed751c00}}.mobile-bottom-bar{display:none}.back-to-top{position:fixed;right:20px;bottom:33px;background:#fff;border:1px solid #c6d3dd;color:var(--primary);z-index:1040;width:36px;height:36px;border-radius:3px;display:flex;align-items:center;justify-content:center}.back-to-top:hover{background:var(--primary);color:#fff}.demo-banner{font-size:11px;background:#fff7e9;color:#785524;text-align:center;padding:5px 10px;border-bottom:1px solid #f4e6c9}.badge-category{font-size:11px;color:#075891;background:#edf5fa;display:inline-block;padding:2px 7px}.icon-list li{margin:8px 0}.icon-list i{color:var(--primary);margin-right:8px}.quote-card{background:#f7fafc;border:1px solid var(--line);padding:25px}.hero-fallback{background:linear-gradient(130deg,#dceaf2,#acc6d9)}
@media(max-width:991px){.navbar-nav .nav-link{padding:11px 15px!important}.nav-cta{display:none}.navbar-collapse{padding-bottom:5px}.navbar .dropdown-menu{border:0;box-shadow:none}.hero-content{padding:32px 0}.hero-photo{min-height:310px}.section{padding:38px 0}.trust-strip .row>div{border-bottom:1px solid #edf0f2}.header-help{display:none}}@media(max-width:767px){body{font-size:14px}.topbar .hide-small{display:none}.brandbar-inner{min-height:70px}.brand-icon{width:43px;height:43px;flex-basis:43px;font-size:21px}.brand-title{font-size:20px}.brand-desc{font-size:11px}.hero-content{padding:29px 0}.hero h1{font-size:29px}.hero-photo{height:230px;min-height:230px}.hero-photo-wrap{min-height:230px}.photo-caption{bottom:10px;right:10px}.trust-strip .row>div{padding:13px}.trust-item i{font-size:24px}.trust-item strong{font-size:13px}.section-title h2{font-size:22px}.section-title a{font-size:12px}.problem-list{grid-template-columns:1fr}.section{padding:32px 0}.page-intro h1{font-size:25px}.content-shell{padding:25px 0 85px}.floating-links{right:10px;bottom:80px;gap:7px}.floating-link{width:43px;height:43px;font-size:18px}.floating-zalo{font-size:11px}.floating-form{display:none}.mobile-bottom-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:1030;background:#fff;border-top:1px solid #cedae4;box-shadow:0 -2px 10px #0001}.mobile-bottom-bar a{display:flex;flex:1;align-items:center;justify-content:center;gap:8px;padding:10px 8px;font-size:13px;font-weight:700;color:#fff;background:var(--primary)}.mobile-bottom-bar a:first-child{background:#e56a1c}.mobile-bottom-bar a:last-child{background:#087cc5}.back-to-top{display:none}.footer-bottom{padding-bottom:76px}.post-card .post-image{height:140px}}@media(max-width:440px){.hero .btn{width:100%;margin-bottom:9px}.hero .d-flex{display:block!important}.brand-title{font-size:18px}.topbar{font-size:11px}.brand-desc{max-width:230px}}
.brand-title{font-family:"Segoe UI",Arial,sans-serif;font-weight:700;letter-spacing:0;line-height:1.3;font-synthesis:none}
.header-help .btn i,.btn-warning-custom i{color:#fff!important;font-size:1.05em!important;line-height:1;vertical-align:-.12em}

.hp-field{position:absolute!important;left:-10000px!important;top:auto!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important}