/* PRJ-046: offline website styles; typography and original SVG replace image banners. */
:root{--navy:#05203d;--navy-deep:#06182b;--blue:#087aac;--cyan:#39baff;--amber:#ffc643;--ink:#10273f;--muted:#627181;--line:#dce3e8;--paper:#fff;--soft:#f4f6f7;--radius:7px;color-scheme:light;font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;font-size:15px;line-height:1.55}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.5}
button,input,select{border-radius:var(--radius)}
img{max-width:100%;height:auto}
svg{display:block;width:22px;height:22px;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.15;letter-spacing:-.045em}
h2{font-size:36px;font-weight:700}
h3{font-size:20px}
button{border:0}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #1586ba;outline-offset:4px}
main:focus{outline:none}
h1[tabindex="-1"]:focus{outline:none}
.container{width:min(1180px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:fixed;top:-100px;left:20px;z-index:1000;background:var(--navy);color:white;padding:12px 18px}
.skip-link:focus{top:12px}
.preview-bar{background:#edf1f3;border-bottom:1px solid #d7dfe5;font-size:11px;color:#405062}
.preview-inner{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.preview-label{display:flex;align-items:center;gap:7px;font-weight:600}
.offline-dot{width:6px;height:6px;border-radius:50%;background:#537e60}
.preview-note{font-weight:400;color:#6e7985}
.layout-switch{display:flex;gap:3px;background:#e0e7ec;padding:3px;border-radius:5px}
.layout-switch button{font-size:11px;line-height:1.3;padding:6px 11px;background:transparent;color:#526273;border-radius:3px;font-weight:600}
.layout-switch button[aria-pressed=true]{background:white;color:var(--navy);box-shadow:0 1px 3px #05203d16}
.topline{background:var(--navy);color:#c5d0dd;font-size:11px}
.topline-inner{display:flex;align-items:center;justify-content:space-between;min-height:30px}
.topline a{color:#fff}
.site-header{background:white;border-bottom:1px solid var(--line);position:relative;z-index:20}
.header-inner{display:flex;align-items:center;gap:28px;min-height:87px}
.logo{flex-shrink:0;width:158px;display:block}
.logo img{width:158px;height:auto;display:block}
.site-nav{display:flex;gap:26px;margin-right:auto;align-items:center}
.site-nav a{font-size:13px;font-weight:600;white-space:nowrap;position:relative;padding-block:30px}
.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--blue)}
.site-nav a[aria-current=page]:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--blue)}
.global-search{display:flex;align-items:center;width:232px;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:10px;gap:8px}
.global-search svg{width:17px;height:17px;color:#7a8894;flex-shrink:0}
.global-search input{width:100%;min-width:0;border:0;background:none;outline:none;font-size:12px;color:var(--ink)}
.global-search:focus-within{border-color:var(--blue);box-shadow:0 0 0 2px #39baff24}
.search-submit{background:none;color:var(--blue);min-width:26px;min-height:26px;padding:0;font-size:18px;line-height:1;flex-shrink:0}
.icon-button{background:none;display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;color:var(--ink)}
.header-cart{gap:6px;font-size:11px;font-weight:700}
.header-cart svg{width:23px;height:23px}
#cart-count{background:var(--navy);color:white;border-radius:100%;min-width:19px;height:19px;display:grid;place-items:center}
.mobile-menu{display:none}
.eyebrow{font-size:10px;letter-spacing:.17em;font-weight:700;line-height:1.5;color:var(--blue);margin-bottom:14px}
.hero{background:var(--navy-deep);color:white;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#a7c6e408 1px,transparent 1px),linear-gradient(90deg,#a7c6e408 1px,transparent 1px);background-size:60px 60px;pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:64px;align-items:center;padding-top:55px;padding-bottom:55px;min-height:476px}
.hero-eyebrow{color:#bbd6ed;display:flex;gap:9px;align-items:center;letter-spacing:.12em;font-size:10px}
.hero-eyebrow span{height:5px;width:5px;border-radius:50%;background:var(--amber)}
.hero h1{font-size:64px;letter-spacing:-.065em;line-height:1.02;font-weight:750;margin-bottom:23px}
.hero h1 span{color:var(--cyan)}
.hero-description{max-width:475px;color:#bccad8;line-height:1.7;font-size:15px}
.hero-actions{display:flex;gap:12px;margin-top:29px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:19px;min-height:45px;padding:13px 20px;line-height:1.3;font-size:12px;font-weight:650;border-radius:5px;border:1px solid transparent;transition:background .12s,color .12s}
.button svg{width:17px;height:17px}
.button-primary{background:var(--amber);color:#142534}
.button-primary:hover{background:#ffd56e}
.button-hero-secondary{background:#112f49;color:#e8f0f8;border-color:#29445d}
.button-hero-secondary:hover{background:#20435e}
.button-secondary{background:white;color:var(--ink);border-color:var(--line)}
.button-secondary:hover{background:var(--soft);border-color:#a9b8c5}
.button-navy{background:var(--navy);color:white}
.button-navy:hover{background:#123c62}
.button-small{min-height:35px;padding:9px 13px;font-size:11px;gap:8px}
.hero-footnote{font-size:10px;color:#90a9bf;margin-top:24px;display:flex;align-items:center;gap:8px;letter-spacing:.02em}
.hero-footnote>span{width:18px;height:1px;background:var(--cyan)}
.hero-classic{display:none}
.toolkit{border:1px solid #2a4155;background:#0c2236;border-radius:8px;box-shadow:0 16px 32px #0003;overflow:hidden}
.toolkit-top{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;background:#122b40;border-bottom:1px solid #294055;font-size:8px;letter-spacing:.1em;color:#a2b3c3;gap:8px}
.toolkit-dots{display:flex;gap:4px}
.toolkit-dots i{height:5px;width:5px;border-radius:100%;background:#496174}
.toolkit-dots i:first-child{background:#9b7354}
.toolkit-number{color:#567890}
.toolkit-body{padding:20px 23px 8px}
.toolkit-label{font-size:8px;color:#8cabca;letter-spacing:.16em}
.toolkit-screen{margin-top:15px;position:relative;border:1px solid #29465f;background:#0a1b2c;overflow:hidden;height:115px;display:flex;align-items:center;justify-content:center}
.circuit{position:absolute;inset:0;color:#3483ab}
.circuit svg{width:100%;height:100%;stroke-width:1;opacity:.45}
.toolkit-screen-title{position:relative;background:#0a1b2ce8;padding:8px 9px;color:#87d6ff;font-size:10px;letter-spacing:.14em;font-family:Consolas,"Courier New",monospace}
.toolkit-row{display:flex;gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid #243c51;color:#b3c8db}
.toolkit-row:last-child{border-bottom:0}
.toolkit-row>span:last-child{margin-left:auto;color:#7ebce3}
.toolkit-step{font-family:Consolas,monospace;font-size:11px;color:#587e9b;border:1px solid #2f4a60;border-radius:4px;width:29px;height:29px;display:grid;place-items:center}
.toolkit-row strong{display:block;font-size:12px;color:#e6f0f9;font-weight:600}
.toolkit-row small{display:block;font-size:10px;color:#7895af;margin-top:2px}
.toolkit-row:hover strong{color:var(--cyan)}
.service-strip{border-bottom:1px solid var(--line);background:#f9fafb}
.service-strip-inner{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 0;gap:24px}
.service-strip-inner>div{display:flex;align-items:center;gap:14px;border-right:1px solid var(--line)}
.service-strip-inner>div:last-child{border-right:0}
.strip-symbol{font-size:11px;color:var(--blue);font-family:Consolas,monospace;border:1px solid #c2d7e2;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}
.service-strip strong{display:block;font-size:12px;font-weight:650}
.service-strip small{display:block;font-size:10px;color:var(--muted);margin-top:1px}
.brand-section{padding-top:37px}
.brand-section .eyebrow{margin-bottom:13px;color:var(--muted);font-size:9px}
.brand-rail{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);border-radius:5px;overflow:hidden}
.brand-rail a{display:flex;align-items:center;justify-content:space-between;border-right:1px solid var(--line);padding:17px 19px;font-size:12px;font-weight:750;letter-spacing:.03em}
.brand-rail a:last-child{border-right:0}
.brand-rail a>span{color:#8395a4;font-weight:400}
.brand-rail a:hover{background:var(--soft);color:var(--blue)}
.section-space{padding-top:52px;padding-bottom:52px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:26px}
.section-heading .eyebrow{margin-bottom:9px}
.text-link{font-size:12px;font-weight:650;color:var(--blue);display:inline-flex;gap:20px;align-items:center}
.text-link:hover{text-decoration:underline}
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}
.product-card{border:1px solid var(--line);border-radius:7px;background:white;padding:23px 20px 19px;display:flex;flex-direction:column;position:relative;min-height:266px}
.product-card:hover{border-color:#9ab5c6;box-shadow:0 4px 16px #05203d08}
.product-card .product-icon{display:inline-flex;align-items:center;justify-content:center;width:43px;height:43px;background:#eef5f9;border:1px solid #d7e6ee;border-radius:7px;color:var(--blue);margin-bottom:21px}
.product-card .product-icon svg{width:25px;height:25px}
.product-meta{font-size:9px;letter-spacing:.07em;font-weight:650;color:var(--muted);text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.product-name{font-size:19px;font-weight:700;line-height:1.25;letter-spacing:-.04em;display:block;margin-bottom:10px}
.product-name:hover{color:var(--blue)}
.product-card p{font-size:11px;color:var(--muted);line-height:1.6;margin-bottom:16px}
.product-price{font-size:22px;font-weight:700;letter-spacing:-.05em;white-space:nowrap;color:var(--navy)}
.price-note{font-size:10px;color:var(--muted);font-weight:400;letter-spacing:0;margin-right:4px}
.product-card>div:last-child,.product-card .card-bottom{display:flex;justify-content:space-between;gap:7px;align-items:center;margin-top:auto;padding-top:13px;border-top:1px solid #edf0f3}
.product-card .button{padding:8px 10px;min-height:34px;font-size:10px}
.catalog-footnote{font-size:10px;color:var(--muted);margin-top:17px}
.manual-section{background:#edf3f6;border-top:1px solid #e2e9ee;border-bottom:1px solid #e2e9ee}
.manual-home-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:center;padding-top:46px;padding-bottom:46px}
.manual-home-copy h2{font-size:35px;margin-bottom:16px}
.manual-home-copy>p:not(.eyebrow){font-size:13px;color:var(--muted);max-width:365px;margin-bottom:24px}
.manual-decoration{display:block;font:9px Consolas,monospace;letter-spacing:.1em;color:#8195a4;margin-top:24px}
.manual-home-list{background:white;border:1px solid #d4dfe7;border-radius:7px;overflow:hidden}
.list-label{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.1em;color:#7590a3;border-bottom:1px solid var(--line);padding:16px 20px;font-weight:600}
.list-label>span:last-child{color:#9ba8b1;font-weight:400}
.manual-row{display:flex;align-items:center;gap:18px;padding:20px;border-bottom:1px solid #e3e9ee;background:white}
.manual-row:hover{background:#fafcfd}
.manual-row>span:last-child{margin-left:auto;color:var(--blue)}
.manual-code{font-family:Consolas,monospace;font-size:20px;letter-spacing:-.03em;min-width:55px;color:var(--blue)}
.manual-code small{display:block;font-size:8px;letter-spacing:.1em;color:#8599aa;margin-bottom:2px}
.manual-info{min-width:0}
.manual-info strong{font-size:12px;display:block;font-weight:650;line-height:1.4}
.manual-info small{font-size:10px;color:var(--muted);display:block;margin-top:5px}
.manual-more{display:flex;justify-content:space-between;padding:16px 20px;font-size:11px;font-weight:650;color:var(--blue)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}
.process-grid article{padding-top:18px;border-top:1px solid var(--line)}
.process-grid article>span{font-family:Consolas,monospace;font-size:12px;color:var(--blue);display:block;margin-bottom:22px}
.process-grid h3{font-size:19px;margin-bottom:12px}
.process-grid p{font-size:12px;color:var(--muted);line-height:1.7;max-width:300px}
.faq-section{display:grid;grid-template-columns:1fr 1.6fr;gap:60px;padding-bottom:52px;padding-top:12px}
.faq-section h2{font-size:30px;margin-bottom:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}
.faq-list summary{list-style:none;display:flex;justify-content:space-between;cursor:pointer;font-size:13px;font-weight:650;gap:15px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";color:var(--blue);font-weight:400;font-size:17px;line-height:1}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{font-size:12px;line-height:1.8;color:var(--muted);padding-top:12px;max-width:560px}
.support-cta{background:var(--navy);color:white;padding:33px 37px;display:flex;align-items:center;justify-content:space-between;gap:35px;border-radius:8px;margin-bottom:55px}
.support-cta .eyebrow{color:#72bce5;font-size:9px;margin-bottom:8px}
.support-cta h2{font-size:30px;margin-bottom:10px}
.support-cta p:last-child{color:#a8c0d4;font-size:12px}
.support-cta .button{flex-shrink:0}
.site-footer{border-top:1px solid var(--line);background:#f8fafb}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:35px;padding-top:38px;padding-bottom:35px}
.footer-wordmark{font-size:24px;letter-spacing:-.05em;font-weight:750}
.footer-wordmark>span{color:var(--blue)}
.footer-wordmark>i{font-size:8px;font-weight:400;font-style:normal;vertical-align:top;margin-left:3px;letter-spacing:0}
.footer-brand p{font-size:11px;color:var(--muted);line-height:1.8;max-width:245px;margin-top:12px;margin-bottom:13px}
.footer-main h3{font-size:11px;letter-spacing:.02em;margin-bottom:16px;font-weight:650}
.footer-main>div>a:not(.text-link){display:block;font-size:11px;color:var(--muted);margin-bottom:10px}
.footer-main a:hover{color:var(--blue)}
.footer-note p{font-size:10px;color:var(--muted);line-height:1.9}
.footer-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding-top:17px;padding-bottom:19px;color:var(--muted);font-size:10px}
.page-heading{padding-top:42px;padding-bottom:28px}
.page-heading h1{font-size:45px;line-height:1.12;margin-bottom:16px}
.page-heading p:not(.eyebrow){color:var(--muted);font-size:14px;max-width:650px}
.breadcrumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:#8a98a6;font-size:11px;padding-top:26px}
.breadcrumb a{color:var(--blue)}
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:26px;padding:17px;background:var(--soft);border:1px solid var(--line);border-radius:7px}
.search-field{background:white;border:1px solid #ccd8e0;min-height:40px;padding:10px 13px;font-size:12px;min-width:230px;flex:1;color:var(--ink)}
.filter-bar select{border:1px solid #ccd8e0;padding:10px 12px;background:white;color:var(--ink);font-size:12px;min-width:155px;min-height:40px}
.brand-chip,.tag{display:inline-flex;font-size:10px;font-weight:600;border:1px solid #d6e3eb;padding:4px 8px;border-radius:3px;color:#46738f;background:#f3f8fb;line-height:1.4}
.brand-chip.active{background:var(--navy);color:white;border-color:var(--navy)}
.result-count{color:var(--muted);font-size:11px;margin-bottom:16px}
.muted{color:var(--muted)}
.empty-state{border:1px dashed #bacbd7;border-radius:8px;background:#fafcfd;padding:50px 20px;text-align:center;grid-column:1/-1;margin-bottom:30px}
.empty-state h2{font-size:26px;margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:13px;margin-bottom:20px}
.detail-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;padding-top:38px;padding-bottom:60px;align-items:start}
.detail-visual{min-height:385px;background:#eff4f7;border:1px solid #d9e4eb;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:35px;position:relative}
.detail-visual .product-icon{color:var(--blue);padding:22px;border:1px solid #c5dae6;background:#f9fcfd;border-radius:12px;margin-bottom:25px}
.detail-visual svg{width:95px;height:95px;stroke-width:1}
.detail-visual h2{font-size:28px;text-align:center}
.detail-visual>span,.detail-visual>p{font-size:10px;color:#7a93a5;margin-top:10px;letter-spacing:.06em}
.detail-copy h1{font-size:40px;margin-bottom:20px}
.detail-copy>p{font-size:14px;color:var(--muted);margin-bottom:23px}
.detail-copy .product-price{font-size:34px;margin-bottom:5px}
.detail-copy .price-note{font-size:11px}
.detail-copy .tag{margin-bottom:14px}
.detail-list{margin:24px 0;padding:19px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);list-style:none;color:var(--muted);font-size:12px}
.detail-list li{margin:7px 0;display:flex;gap:9px}
.detail-list li:before{content:"✓";color:var(--blue)}
.detail-copy .button{margin-right:6px;margin-bottom:10px}
.notice{padding:15px 19px;border:1px solid #d8e4ec;background:#f3f8fb;font-size:12px;color:#55748a;border-radius:6px;line-height:1.7;margin:20px 0}
.support-panel{border:1px solid var(--line);background:var(--soft);padding:27px;border-radius:7px;margin-bottom:30px}
.support-panel h2{font-size:28px;margin-bottom:15px}
.support-panel p{font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:20px}
.cart-row{display:flex;align-items:center;gap:19px;border-bottom:1px solid var(--line);padding:20px 0}
.cart-row .product-icon{width:40px;height:40px;background:#eef5f9;display:grid;place-items:center;border-radius:6px;color:var(--blue);flex-shrink:0}
.cart-row h3{font-size:17px;margin-bottom:5px}
.cart-row .muted{font-size:11px}
.cart-row .product-info,.cart-row>div:nth-child(2){flex:1}
.qty-control{display:flex;align-items:center;border:1px solid #cbd8e2;border-radius:5px;overflow:hidden}
.qty-control button{border-radius:0;background:#f4f7f9;width:30px;height:33px;color:var(--ink)}
.qty-control span{min-width:34px;text-align:center;font-size:12px}
.cart-summary{border:1px solid var(--line);border-radius:7px;background:var(--soft);padding:27px;margin-top:25px}
.cart-summary h2{font-size:24px;margin-bottom:18px}
.cart-summary p{font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:15px}
.cart-summary .total{font-size:30px;font-weight:700;color:var(--ink)}
.cart-summary .button{margin-top:12px}
.dialog-close{position:absolute;right:14px;top:12px;font-size:25px;font-weight:300}
dialog{border:1px solid var(--line);border-radius:11px;padding:38px;width:min(470px,calc(100% - 32px));color:var(--ink);box-shadow:0 30px 100px #00183340}
dialog::backdrop{background:#00142780}
dialog h2{font-size:29px;margin-bottom:17px;padding-right:25px}
dialog p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:25px}
.toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:12px 21px;border-radius:6px;font-size:12px;box-shadow:0 8px 24px #0003;z-index:80;opacity:0;pointer-events:none;max-width:calc(100% - 32px);transition:opacity .15s}
.toast.visible{opacity:1}
#route-page{min-height:500px;padding-bottom:30px}
/* Giao dien quen thuoc: navbar + banner gon + danh muc, khong slider/anh san pham. */
:root[data-layout=classic]{--blue:#087aac;--amber:#087aac;--radius:3px}
[data-layout=classic] .hero-inner{grid-template-columns:1fr;min-height:263px;padding-top:35px;padding-bottom:35px}
[data-layout=classic] .hero-new,[data-layout=classic] .toolkit{display:none}
[data-layout=classic] .hero-classic{display:block;font-size:43px;line-height:1.1;margin-bottom:16px}
[data-layout=classic] .hero-description{max-width:690px}
[data-layout=classic] .hero-actions{margin-top:20px}
[data-layout=classic] .hero-eyebrow,[data-layout=classic] .hero-footnote{display:none}
[data-layout=classic] .button-primary{color:white}
[data-layout=classic] .button-primary:hover{background:#075d84}
[data-layout=classic] .hero:before{opacity:.4}
[data-layout=classic] .brand-section{padding-top:28px}
[data-layout=classic] .section-heading h2{font-size:31px;border-bottom:3px solid var(--blue);padding-bottom:9px}
[data-layout=classic] .product-card{border-radius:3px;padding-top:16px;min-height:235px}
[data-layout=classic] .product-card .product-icon{width:100%;height:64px;border-radius:3px;margin-bottom:14px;background:#eff7fc;border:0}
[data-layout=classic] .product-card .product-icon svg{width:34px;height:34px}
[data-layout=classic] .product-name{font-size:18px}
[data-layout=classic] .manual-section{background:#f6f9fb}
[data-layout=classic] .service-strip-inner{padding-block:17px}