:root{--bg:#E8EEF4;--card:#FFFFFF;--fg:#14202B;--muted:#5A6672;--line:#D8E1EA;--ink:#182533;--ink2:#223243;--gold:#D9B45A;--gold2:#B8862F;--red:#0B63CE;--red-d:#0A4FA8;--ok:#119A2B;--accent:#0B63CE;--accent-d:#0A4FA8;--r:10px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 "Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Arial,sans-serif}
a{color:#0B57D0;text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1320px;margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.25;margin:0}
h1{font-size:clamp(24px,3.2vw,34px);font-weight:700}
h2{font-size:clamp(20px,2.2vw,24px);font-weight:700}
h3{font-size:16px;font-weight:600}
.sub{color:var(--muted);font-size:16px}
.gold{background:linear-gradient(180deg,#FFF1C4 0%,#F0C863 40%,#B8862F 62%,#F7DC93 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
/* dòng chạy trên cùng */
.tick{background:linear-gradient(90deg,#11202E,#20364A 50%,#11202E);overflow:hidden;white-space:nowrap}
.tk{display:inline-flex;gap:56px;padding:6px 0;animation:tkr 38s linear infinite;font-size:14px;font-weight:600}
.tk span{background:linear-gradient(180deg,#FFF1C4 0%,#F0C863 40%,#B8862F 60%,#F7DC93 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.tk b{font-weight:800}
@keyframes tkr{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.tk{animation:none}}
/* đầu trang đen – vàng theo logo */
.top{position:sticky;top:0;z-index:40;background:var(--ink);border-bottom:1px solid #2B3D50}
.hd{display:flex;align-items:center;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;letter-spacing:.04em;white-space:nowrap}
.brand:hover{text-decoration:none}.brand img{width:42px;height:42px;border-radius:9px}
.loc{display:flex;align-items:center;gap:6px;color:#EDEDED;font-size:13px;line-height:1.2;border:1px solid #38506A;border-radius:8px;padding:6px 10px;white-space:nowrap}
.loc:hover{text-decoration:none;border-color:var(--gold)}.loc svg{color:var(--gold);flex:none}.loc b{display:block;color:#fff}
.dm{position:relative}
.dm summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;background:linear-gradient(180deg,#F3D27E,#C99A3E);color:#14202B;font-weight:700;font-size:14px;padding:10px 14px;border-radius:8px;white-space:nowrap}
.dm summary::-webkit-details-marker{display:none}
.dmm{position:absolute;left:0;top:calc(100% + 8px);width:290px;background:#fff;border-radius:10px;box-shadow:0 14px 40px rgba(0,0,0,.25);padding:8px;z-index:50}
.dmm a{display:flex;justify-content:space-between;padding:9px 12px;border-radius:7px;color:var(--fg);font-size:15px}
.dmm a:hover{background:#EAF2FB;text-decoration:none}.dmm small{color:var(--muted)}
.dmm .sep{height:1px;background:var(--line);margin:6px 8px}.dmm .lb{font-size:12px;font-weight:700;color:var(--muted);padding:6px 12px 2px;letter-spacing:.04em}
.srch{flex:1;display:flex;min-width:0}
.srch input{flex:1;min-width:0;height:42px;border:0;border-radius:8px 0 0 8px;padding:0 14px;font-size:15px;outline:none}
.srch button{height:42px;border:0;border-radius:0 8px 8px 0;background:#fff;padding:0 14px;cursor:pointer;color:#333;border-left:1px solid #eee}
.hl{display:flex;align-items:center;gap:8px;color:#fff;white-space:nowrap;font-size:13px;line-height:1.2}
.hl:hover{text-decoration:none}.hl svg{color:var(--gold)}.hl b{display:block;font-size:16px;color:var(--gold)}
.zl{display:flex;align-items:center;justify-content:center;background:#0068FF;color:#fff;border-radius:8px;height:42px;padding:0 14px;font-weight:700;white-space:nowrap}
.zl:hover{text-decoration:none;background:#0052CC}
.nav{background:var(--ink2);border-top:1px solid #2B3D50}
.nav .wrap{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}.nav .wrap::-webkit-scrollbar{display:none}
.nav a{color:#EDEDED;padding:10px 14px;font-size:14px;font-weight:600;white-space:nowrap}
.nav a:hover{color:var(--gold);text-decoration:none}
.nav a.hot{color:var(--gold)}
/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:8px;font-weight:700;font-size:16px;border:0;cursor:pointer;text-decoration:none!important;white-space:nowrap}
.btn.pri{background:var(--red);color:#fff}.btn.pri:hover{background:var(--red-d)}
.btn.sec{background:#fff;color:var(--fg);border:1px solid #CFCFCF}.btn.sec:hover{border-color:#999}
.btn.gl{background:transparent;color:var(--gold);border:1px solid var(--gold)}
.btn.sm{min-height:38px;padding:0 14px;font-size:14px}
/* hero 3 cột: cánh trái – banner – cánh phải */
.hero{display:grid;grid-template-columns:200px 1fr 200px;gap:12px;margin-top:12px}
.ban{position:relative;border-radius:var(--r);overflow:hidden;background:radial-gradient(120% 140% at 85% 20%,#2C4660 0%,#1B2E40 45%,#132231 100%);color:#fff;display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:10px;padding:22px 26px;min-height:250px;border:1px solid #2E4559}
.ban h1{font-size:clamp(20px,2vw,28px);letter-spacing:.05em;text-transform:uppercase}
.ban .s{color:#CBD8E4;font-size:15px;margin:8px 0 12px}
.ban .pl{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.ban .pl span{font-size:13px;font-weight:600;color:#F3D27E;border:1px solid rgba(217,180,90,.55);border-radius:999px;padding:4px 10px}
.ban .cta{display:flex;gap:8px;flex-wrap:wrap}
.pics{position:relative;height:210px}
.pics a{position:absolute;background:#fff;border-radius:10px;padding:6px;box-shadow:0 10px 30px rgba(10,25,40,.45);display:block}
.pics a:hover{text-decoration:none;transform:translateY(-2px)}
.pics img{width:100%;height:100%;object-fit:contain}
.pics .p1{left:0;top:8px;width:46%;height:150px}.pics .p2{right:0;top:0;width:50%;height:120px}.pics .p3{right:6%;bottom:0;width:44%;height:100px}
.pics em{position:absolute;left:6px;bottom:6px;font-style:normal;background:var(--red);color:#FFE27A;font-size:12px;font-weight:800;padding:2px 7px;border-radius:5px}
.wing{display:flex;flex-direction:column;background:#fff;border-radius:var(--r);overflow:hidden;color:var(--fg);border:1px solid var(--line)}
.wing:hover{text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.wing .wt{background:var(--red);color:#FFE27A;font-weight:800;font-size:13px;text-align:center;padding:6px 4px;letter-spacing:.04em}
.wing .wi{padding:8px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}.wing .wi img{max-height:100%;object-fit:contain}
.wing .wb{padding:0 12px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.wing b{font-size:14px;line-height:1.3}.wing small{color:var(--muted);font-size:12.5px}
.wing .pr{color:var(--red);font-weight:800;font-size:18px;margin-top:auto}
.wing .go{background:var(--red);color:#fff;text-align:center;border-radius:6px;font-weight:700;font-size:13px;padding:6px}
/* khối & tiêu đề kiểu sàn lớn */
section{padding:18px 0}
.blk{background:#fff;border-radius:var(--r);padding:14px 16px 16px}
.head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap;border-bottom:2px solid #EFEFEF}
.head h2{font-size:20px;text-transform:uppercase;letter-spacing:.02em;padding-bottom:8px;margin-bottom:-2px;border-bottom:2px solid var(--gold2)}
.head p{margin:4px 0 0}
.head .lk{display:flex;gap:14px;flex-wrap:wrap;font-size:14px;padding-bottom:8px}.head .lk a{color:#333}.head .lk a.all{color:#0B57D0;font-weight:600}
.grid{display:grid;gap:12px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g5{grid-template-columns:repeat(5,1fr)}
/* danh mục nổi bật */
.dmn{display:grid;grid-template-columns:repeat(10,1fr);gap:8px}
.dmn a{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;color:var(--fg);font-size:13.5px;font-weight:600;line-height:1.25;padding:8px 4px;border-radius:8px}
.dmn a:hover{background:#EAF2FB;text-decoration:none}
.dmn img{width:64px;height:48px;object-fit:contain}
/* thẻ sản phẩm: nền trắng, giá đỏ, còn hàng xanh, khuyến mãi vàng trên đỏ */
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;color:var(--fg)}
.card:hover{text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.1);border-color:#D6D6D6}
.card .im{background:#fff;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:10px}
.card .im img{max-height:100%;object-fit:contain}
.card .bd{padding:4px 12px 12px;display:flex;flex-direction:column;gap:5px;flex:1}
.card h3{font-size:15px;font-weight:700;line-height:1.3;min-height:2.6em}
.price{color:var(--red);font-weight:800;font-size:19px}
.card ul{margin:0;padding:0;list-style:none;color:#667085;font-size:13px}
.card li{display:inline}.card li:not(:last-child)::after{content:' · '}
.card li:nth-child(n+4){display:none}.card li:nth-child(3)::after{content:''}
.stock{font-size:13.5px;color:var(--ok);font-weight:700}.stock.no{color:#B26A00}
.km{margin-top:auto;background:var(--red);color:#FFE27A;font-size:12.5px;font-weight:700;border-radius:6px;padding:5px 8px;line-height:1.3}
.ftag{position:absolute;left:8px;top:8px;font-size:11.5px;font-weight:800;letter-spacing:.03em;color:#FFE27A;background:var(--red);padding:3px 8px;border-radius:5px;z-index:2}
.hotg .card .im{aspect-ratio:auto;height:130px}
/* nhu cầu (trang con dùng) */
.need{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;color:var(--fg);display:flex;flex-direction:column;gap:4px}
.need:hover{text-decoration:none;border-color:var(--gold2)}
.need small{color:var(--muted);font-size:14px}.need .from{margin-top:auto;padding-top:6px;color:var(--red);font-weight:700}
/* lý do – quy trình – dịch vụ – cửa hàng */
.whys{grid-template-columns:repeat(5,1fr)}
.why{border:1px solid var(--line);border-radius:var(--r);padding:14px}
.why b{display:block;font-size:15.5px;margin-bottom:2px}.why p{margin:0;color:var(--muted);font-size:14px}
.steps{counter-reset:s}
.step{border:1px solid var(--line);border-radius:var(--r);padding:14px 14px 14px 58px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:14px;top:14px;display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--gold);font-weight:800;align-items:center;justify-content:center}
.step p{margin:2px 0 0;color:var(--muted);font-size:14px}
.svc{display:grid;grid-template-columns:1fr 1fr;gap:12px}.svc>div{border:1px solid var(--line);border-radius:var(--r);padding:14px}
.svc p{margin:4px 0 0;color:var(--muted);font-size:14.5px}
.store{background:var(--card);border-radius:var(--r);overflow:hidden;display:grid;grid-template-columns:1fr 1.2fr}
.store .in{padding:22px;display:flex;flex-direction:column;gap:8px}
.store iframe{width:100%;height:100%;min-height:300px;border:0}
.store .q{font-style:italic;color:var(--muted);border-left:3px solid var(--gold2);padding-left:12px;margin:6px 0}
footer{background:var(--ink);color:#BDBDBD;padding:28px 0 90px;font-size:14.5px;margin-top:20px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer b{color:var(--gold)}footer a{color:#DADADA}
.crumb{font-size:14px;color:var(--muted);padding-top:14px}.crumb a{color:var(--muted)}
/* trang máy */
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;padding:16px 0 6px;align-items:start}
.pd .pic{background:#fff;border-radius:var(--r);padding:20px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
.pd .pic img{max-height:100%;object-fit:contain}
.pd h1{font-size:clamp(22px,2.8vw,30px)}
.pd .big{font-size:30px;font-weight:800;color:var(--red)}
.cfgs{display:flex;flex-direction:column;gap:8px;margin:4px 0}
.cfg{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:flex;justify-content:space-between;gap:12px;font-size:15px}
.cfg b{color:var(--red);white-space:nowrap}
.pd .acts{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.box{background:var(--card);border-radius:var(--r);padding:18px;border:1px solid var(--line)}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec th{text-align:left;color:var(--muted);font-weight:500;width:34%;padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec td{padding:9px 0;border-bottom:1px solid var(--line)}
.note{font-size:13.5px;color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chips a{background:#fff;border:1px solid var(--line);color:var(--fg);padding:7px 14px;border-radius:8px;font-size:14px}
.chips a.on{background:var(--ink);color:var(--gold);border-color:var(--ink)}.chips a:hover{text-decoration:none}
/* nút liên hệ nổi */
.flo{position:fixed;right:14px;bottom:18px;z-index:35;display:flex;flex-direction:column;gap:8px}
.flo a{display:flex;align-items:center;gap:8px;background:#fff;border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.18);padding:8px 12px;color:var(--fg);font-size:13px;line-height:1.2}
.flo a:hover{text-decoration:none}.flo i{font-style:normal;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:11px}
.flo b{display:block;color:#0B57D0}
.bar{display:none}
.hide-s{}
@media (max-width:1180px){.hero{grid-template-columns:1fr}.wing{display:none}.dmn{grid-template-columns:repeat(5,1fr)}.loc{display:none}}
@media (max-width:900px){
 .g4,.g5{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}
 .pd,.store,.svc{grid-template-columns:1fr}.store iframe{min-height:220px}
 footer .cols{grid-template-columns:1fr}.whys{grid-template-columns:1fr 1fr}
 .hl{display:none}
 .hd{flex-wrap:wrap;gap:8px;padding:8px 0}.brand{flex:1}.srch{order:5;flex-basis:100%}.dm{order:4}
 .dm summary{padding:0 12px;height:42px}.dm summary span{display:none}
 .hd .srch{flex-basis:calc(100% - 58px)}
 .ban{grid-template-columns:1fr;padding:18px;min-height:0}.pics{display:none}
 .flo{display:none}
}
@media (max-width:640px){
 body{font-size:15.5px}section{padding:10px 0}
 .wrap{padding:0 10px}.blk{padding:12px 10px}
 .brand{font-size:16px}.brand img{width:38px;height:38px}.zl{height:38px;padding:0 12px}
 .ban h1{font-size:19px}.ban .s{font-size:14px}.ban .cta{display:grid;grid-template-columns:1fr 1fr}.ban .cta .btn{padding:0 8px;font-size:14px}.ban .cta .pri{grid-column:1/-1}
 .dmn{grid-template-columns:repeat(5,1fr);gap:2px}.dmn a{font-size:11.5px;padding:6px 2px}.dmn img{width:48px;height:36px}
 .row5{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:8px;padding-bottom:4px}.row5 .card{flex:0 0 46%;scroll-snap-align:start}
 .card h3{font-size:14px}.price{font-size:17px}.card .bd{padding:2px 9px 10px}.km{font-size:12px}
 .hotg .card .im{height:110px}
 .head h2{font-size:17px}.head .lk{display:none}
 .whys{grid-template-columns:1fr}.steps{grid-template-columns:1fr!important}
 .bar{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line)}
 .bar .btn{width:100%}
}
.card[hidden]{display:none!important}
/* v16e: thu gọn banner để giá hiện màn đầu */
.ban{grid-template-columns:1.5fr 1fr;padding:16px 22px;min-height:0;gap:8px}
.ban h1{font-size:clamp(18px,1.75vw,24px);white-space:nowrap}
.ban .s{font-size:14px;margin:6px 0 10px}
.ban .pl{margin-bottom:12px}.ban .pl span{font-size:12.5px;padding:3px 9px}
.ban .btn{min-height:42px;font-size:15px;padding:0 16px}
.pics{height:178px}.pics .p1{height:130px;top:4px}.pics .p2{height:100px}.pics .p3{height:88px}
.wing .wi{aspect-ratio:16/10;padding:6px}.wing .wb{gap:3px;padding:0 10px 10px}.wing b{font-size:13.5px}.wing .pr{font-size:17px}
.flo a{padding:0;border-radius:50%;width:50px;height:50px;justify-content:center}.flo a span{display:none}.flo i{width:50px;height:50px;font-size:12px}
@media (max-width:640px){.ban h1{white-space:normal}}
.wing .wi{aspect-ratio:auto;height:96px}.wing small{display:none}.wing .wt{padding:5px 4px}
.ban .pl{flex-wrap:nowrap}.ban .pl span{font-size:12px;white-space:nowrap}
section{padding:12px 0}.hotg .card .im{height:118px;padding:6px}
@media (max-width:900px){.ban .pl{flex-wrap:wrap}.ban .btn{white-space:normal;text-align:center;line-height:1.2}.ban .cta{display:grid;grid-template-columns:1fr}}
@media (max-width:640px){.ban{padding:14px}.ban .s{margin:4px 0 8px}.ban .pl span{font-size:11.5px}}
@media (max-width:900px){.ban{grid-template-columns:1fr}.ban .cta{grid-template-columns:1fr 1fr}.ban .cta .pri{grid-column:1/-1}}
@media (max-width:900px){.ban .cta{grid-template-columns:1fr}}
/* v16f: nen theo iPhone Air, nhan khuyen mai chu vang nen xanh duong */
.card{border-color:#DCE5EE}
.btn.sec{border-color:#C3D0DC}
footer{background:var(--ink)}
.flo a{box-shadow:0 6px 20px rgba(16,36,56,.22)}
/* v16f: sua mat dau (background-clip cat dau Ấ), nen iPhone Air */
.gold{line-height:1.5;padding-top:.18em;padding-bottom:.06em}
.ban h1{line-height:1.5}
:root{--bg:#DCE6EF;--card:#F1F5F9}
.blk,.store,.box,.cfg,.chips a,.btn.sec,.wing,.need,.dmm{background:#E9EFF4}
.card{background:#F1F5F9}
.card .im,.pd .pic,.wing .wi{background:transparent}
.card .im img,.pd .pic img,.wing .wi img{mix-blend-mode:multiply}
.pd .pic{background:#F1F5F9}
.pics a{background:#F1F5F9}.pics img{mix-blend-mode:multiply}
.head{border-bottom-color:#CBD8E4}
.dmm a:hover,.dmn a:hover{background:#DCE6EF}
.why,.step,.svc>div{background:#F1F5F9;border-color:#CBD8E4}
.btn.sec{border-color:#BFCEDB}.btn.sec:hover{border-color:#8FA6BB}
.bar{background:rgba(233,239,244,.97)}
/* v16g: khẩu hiệu dưới logo, 3 ảnh đều nhau, chữ vàng ánh kim */
.brand .bn{display:flex;flex-direction:column;line-height:1.15}
.brand .bn small{font-size:11px;letter-spacing:.28em;font-weight:700;margin-top:2px;padding:0}
.brand .gold{padding-top:0;line-height:1.2}
.pics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;height:auto;align-self:center}
.pics a,.pics .p1,.pics .p2,.pics .p3{position:static;width:auto;height:auto;aspect-ratio:3/4;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px 6px 30px;border-radius:10px;position:relative}
.pics img{height:100%;width:100%;object-fit:contain}
.pics em{left:50%;transform:translateX(-50%);bottom:6px;white-space:nowrap}
.ban{grid-template-columns:1.35fr 1fr}
.tk span{background:linear-gradient(180deg,#FFF6D0 0%,#F5CF6A 35%,#9A6A18 58%,#F9E39A 80%,#D9A93E 100%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 1px 0 rgba(0,0,0,.45))}
.ban h1{white-space:normal}
@media (max-width:900px){.pics{display:none}}
.ban{grid-template-columns:minmax(0,1fr) 330px}
.ban .pl{flex-wrap:wrap}
.pics{width:330px}
@media (max-width:1180px){.ban{grid-template-columns:1fr}}
.pics a,.pics .p1,.pics .p2,.pics .p3{aspect-ratio:1/1.05}
.ban .pl span{font-size:11.5px;padding:3px 8px}.ban .pl{gap:5px;margin-bottom:10px}
.ban .btn{padding:0 12px;font-size:14.5px}.ban .cta{flex-wrap:nowrap}
.ban .s{margin:4px 0 8px}
@media (max-width:900px){.ban .cta{flex-wrap:wrap}}
/* v16h: cánh quảng cáo sản phẩm mới */
.wing .wi{height:120px;padding:6px;background:#fff}.wing .wi img{mix-blend-mode:normal;height:100%;width:100%;object-fit:contain}
.wing .wt{font-size:12.5px}.wing .brd{font-style:normal;background:#fff;color:#0B63CE;border-radius:4px;padding:1px 6px;margin-left:2px;letter-spacing:.06em}
.wing .sp{display:block;font-size:12.5px;color:var(--muted)}.wing small.sp{display:block!important}
.wing .bh{font-size:12.5px;font-weight:700;color:#14202B}
.wing .pr{font-size:19px}
.wing .wi{height:130px}.wing .wb{padding:8px 12px 12px}
/* v16i: banner như cũ (1 cột), quảng cáo nằm ở 2 khoảng trống hai bên (màn rộng) */
.hero{grid-template-columns:1fr}
.side{display:none}
@media (min-width:1680px){.side{display:block;position:fixed;top:160px;width:calc((100vw - 1320px)/2 - 28px);max-width:230px;z-index:5}
 .side.l{left:14px}.side.r{right:14px}.side .wing{box-shadow:0 6px 24px rgba(16,36,56,.12)}}
/* v16j: cánh trong hero (dịch vụ, thu cũ) + 2 tai siêu khuyến mãi vàng chữ đỏ */
.hero{grid-template-columns:200px 1fr 200px}
.hero .wing .wi{height:96px;padding:6px}.hero .wing small{display:none}.hero .wing .wb{padding:0 10px 10px}
@media (max-width:1180px){.hero{grid-template-columns:1fr}.hero .wing{display:none}}
.side .wing{background:linear-gradient(180deg,#FFE55C,#FFC400);border:2px solid #D0021B;box-shadow:0 8px 28px rgba(208,2,27,.28)}
.side .wing .wt{background:#D0021B;color:#FFE55C;font-size:14px;letter-spacing:.05em;padding:8px 4px}
.side .wing .brd{background:#FFE55C;color:#D0021B}
.side .wing .wi{height:150px;background:#fff;margin:8px 8px 0;border-radius:8px;padding:6px}
.side .wing b{color:#D0021B;font-size:15px}
.side .wing .sp{color:#7A1A12;font-weight:600}
.side .wing .pr{color:#D0021B;font-size:26px;font-weight:900;text-shadow:0 1px 0 #fff}
.side .wing .bh{background:#fff;color:#D0021B;border-radius:5px;padding:2px 8px;align-self:flex-start;font-size:13px}
.side .wing .go{background:#D0021B;color:#FFE55C;font-weight:800;font-size:14px;padding:8px;animation:pls 1.6s ease-in-out infinite}
@keyframes pls{50%{transform:scale(1.04)}}
@media (prefers-reduced-motion:reduce){.side .wing .go{animation:none}}
/* v16k: tai to và dài, màu xanh ngọc iPhone */
@media (min-width:1680px){.side{width:calc((100vw - 1320px)/2 - 24px);max-width:270px;top:150px}.side.l{left:12px}.side.r{right:12px}}
.side .wing{background:linear-gradient(180deg,#B7DAD7 0%,#A3CDCA 55%,#94BDBD 100%);border:2px solid #78ACAF;box-shadow:0 10px 30px rgba(47,111,115,.28)}
.side .wing .wt{background:#2F6F73;color:#fff;font-size:15px;padding:10px 6px}
.side .wing .brd{background:#fff;color:#2F6F73}
.side .wing .wi{height:210px;margin:10px 10px 0}
.side .wing .wb{gap:6px;padding:10px 14px 14px}
.side .wing b{color:#17383A;font-size:17px}
.side .wing .sp{color:#2A5E61;font-weight:600;font-size:13.5px}
.side .wing .pr{color:#17494C;font-size:30px;text-shadow:0 1px 0 rgba(255,255,255,.7)}
.side .wing .bh{background:#fff;color:#2F6F73;font-size:14px;padding:3px 10px}
.side .wing .ft{display:flex;flex-direction:column;gap:5px;margin:4px 0 6px}
.side .wing .ft i{font-style:normal;font-size:13px;color:#17383A;line-height:1.35}
.side .wing .go{background:#2F6F73;color:#fff;font-size:15px;padding:11px;animation:none}
.side .wing:hover .go{background:#245A5E}
.wing .brd{display:inline-flex;align-items:center;gap:5px;line-height:1}
.wing .brd .lg{display:block;flex:none}
.wing .brd b{font-size:15px;color:#0076CE;letter-spacing:.04em;font-weight:900}
.side .wing .brd{background:#fff;padding:3px 8px;border-radius:6px}
.side .wing .brd b{color:#0076CE}
/* v16m: khối "Vì sao" kiểu thẻ tối + icon vàng */
.blk.dk{background:linear-gradient(160deg,#182533,#0F1B27);border:1px solid #2B3D50}
.blk.dk .head{border-bottom-color:#2B3D50;align-items:flex-end;padding-bottom:10px}
.blk.dk .head h2{color:#fff;border-bottom-color:var(--gold)}
.blk.dk .head .sub{color:#9FB2C4;margin:0 0 8px;font-size:14.5px}
.blk.dk .why{background:linear-gradient(180deg,#14212F,#0E1A26);border:1px solid #2B3D50;border-radius:14px;padding:18px 18px 14px;display:flex;flex-direction:column;gap:6px;transition:border-color .2s,transform .2s}
.blk.dk .why:hover{border-color:var(--gold);transform:translateY(-2px)}
.why .wic{color:#E8C468;display:block;margin-bottom:8px}
.blk.dk .why b{color:#fff;font-size:16.5px;margin:0}
.blk.dk .why p{color:#9FB2C4;font-size:14px;margin:0;flex:1}
.why em{font-style:normal;color:#E8C468;font-size:13.5px;font-weight:600;border-top:1px solid #2B3D50;padding-top:9px;margin-top:6px}
.brands{display:inline-flex;align-items:center;gap:12px;vertical-align:middle;margin-right:6px}
.brands .bl{display:inline-flex;align-items:center;gap:5px}
.brands .bl b{color:#fff;font-weight:900;letter-spacing:.05em;font-size:15px}
.ban .s{display:flex;flex-wrap:wrap;align-items:center;gap:4px 0}
.ban .s{display:block}.brands{margin-right:8px}
.brands svg[aria-label=Dell]{width:40px;height:40px}.brands svg[aria-label=HP]{width:26px;height:42px}.brands svg[aria-label=Lenovo]{width:92px;height:26px}
.side .brd svg[aria-label=Dell]{width:34px;height:34px}.side .brd svg[aria-label=Lenovo]{width:88px;height:25px}
.side .wing .brd{padding:3px 8px}
.wing .wb{padding-bottom:12px}.side .wing .wb{padding-bottom:16px}
/* v16q: danh mục nổi bật to hơn, chạy từ trái qua phải */
.dmw{overflow:hidden;padding:6px 0 4px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent);mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent)}
.dmn{display:flex;gap:14px;width:max-content;animation:dmr 55s linear infinite}
.dmw:hover .dmn{animation-play-state:paused}
@keyframes dmr{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.dmn a{flex:0 0 168px;background:#F1F5F9;border:1px solid #D2DEE9;border-radius:14px;padding:12px 10px 14px;font-size:15px;gap:10px}
.dmn a:hover{background:#fff;border-color:var(--gold2)}
.dmn img{width:100%;height:112px;object-fit:contain;background:#fff;border-radius:10px;padding:6px}
@media (max-width:640px){.dmn a{flex-basis:132px;font-size:13.5px;padding:9px 8px 11px}.dmn img{height:84px}.dmn{animation-duration:45s}}
@media (prefers-reduced-motion:reduce){.dmw{overflow-x:auto;-webkit-mask-image:none;mask-image:none}.dmn{animation:none}}
.hero .wing .wi.sw,.hero .wing:first-child .wi{height:128px;padding:4px 6px}
/* v16s: gọn danh mục nổi bật để kéo khối đen lên */
#nhu-cau{padding:6px 0}#nhu-cau .blk{padding:10px 14px 10px}#nhu-cau .head{margin-bottom:8px}
.dmw{padding:2px 0}
.dmn a{flex-basis:150px;padding:8px 8px 10px;gap:6px;font-size:14.5px}.dmn img{height:92px;padding:4px}
.dmn{gap:10px}
@media (max-width:640px){.dmn a{flex-basis:124px}.dmn img{height:76px}}
/* v16t: nav Dịch vụ màu xanh ngọc */
.nav a.hot{color:#6FE3DA}
/* v16u: nav đồng màu */
.nav a.hot{color:#EDEDED}
.brands img{width:44px;height:44px;display:block}
/* v16w: nâng cấp RAM/SSD/CPU + nhật ký */
.up{background:var(--card);border:1px solid #C9D6E3;border-radius:12px;padding:14px;display:grid;gap:8px}
.up label{display:flex;justify-content:space-between;align-items:center;gap:10px;font-weight:600;font-size:15px}
.up select{min-width:190px;padding:8px 10px;border:1px solid #AFC0D2;border-radius:8px;background:#fff;font:inherit}
.upr{margin:0;font-size:14px;color:#0B63CE;font-weight:600}
.diary .dc{background:var(--card);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:6px}
.diary .dt{font-size:12px;font-weight:700;color:#0B63CE}.diary .dw{font-size:12px;color:#66788A}
.diary h3{margin:0;font-size:18px}.diary p{margin:0;font-style:italic}.diary .df{display:flex;justify-content:space-between;gap:8px;font-size:13px;margin-top:auto}