:root{--bg:#050608;--bg2:#08090c;--card:#0c0d12;--line:#1d2028;--line2:#23262f;--tx:#e7e9ee;--mut:#8b8f9a;--mut2:#b9bcc6;
--red:#ff3b4e;--red2:#c8102e;--redd:#7f0a14;--cy:#22d3ee;--cy2:#67e8f9;--cyl:#a5f3fc;--yl:#facc15}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:15px/1.55 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh;display:flex;flex-direction:column}
body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;background:repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 3px)}
main{flex:1;width:100%;max-width:1180px;margin:0 auto}
a{color:var(--cy2);text-decoration:none}a:hover{color:#fff}
img{max-width:100%}.ic{vertical-align:-4px;flex:none}
.muted{color:var(--mut)}.small{font-size:13px}.c{text-align:center}.hidden{display:none!important}
h1,h2,h3,h4{line-height:1.2}
.glitch{font-weight:900;letter-spacing:.06em;color:#fff;text-shadow:-1.5px 0 var(--cy),1.5px 0 #ff2e4d;position:relative}
.glitch:hover,.logo:hover .glitch{animation:gl .35s steps(2) 2}
@keyframes gl{0%{text-shadow:-3px 0 var(--cy),3px 0 #ff2e4d;transform:translate(1px)}50%{text-shadow:3px 0 var(--cy),-3px 0 #ff2e4d;transform:translate(-1px)}100%{text-shadow:-1.5px 0 var(--cy),1.5px 0 #ff2e4d;transform:none}}
.eye .iris{transform-origin:32px 32px;animation:beat 2.4s ease-in-out infinite}@keyframes beat{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}

/* thanh trên + menu */
.topbar{background:linear-gradient(90deg,var(--redd),var(--red2),var(--redd));color:#fff;font-size:13px;text-align:center;padding:6px 12px;font-weight:700}
.nav{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:16px;padding:10px max(16px,calc((100vw - 1180px)/2 + 16px));
background:rgba(8,9,12,.92);backdrop-filter:blur(8px);border-bottom:1px solid #1a1c23}
.logo{display:flex;gap:9px;align-items:center;flex:none}.logo .glitch{font-size:19px;white-space:nowrap}
.links{display:flex;gap:18px;font-size:14px}.links a{color:var(--mut2)}.links a.on,.links a:hover{color:#fff}.links .mob{display:none}
.sp{flex:1}.menu{display:none;background:none;border:0;padding:4px;cursor:pointer}
.usr{display:flex;gap:8px;align-items:center;color:#fff;font-size:13.5px;font-weight:700}.usr img{border-radius:50%}

/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 16px;border-radius:8px;font:800 14px/1.2 inherit;color:#fff;cursor:pointer;
border:0;background:linear-gradient(180deg,#ff3b4e,#c8102e);box-shadow:0 0 0 1px rgba(255,90,106,.35),0 6px 22px rgba(225,29,46,.4);transition:transform .15s,box-shadow .15s;text-decoration:none}
.btn:hover{color:#fff;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,90,106,.6),0 10px 28px rgba(225,29,46,.6)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.d{background:#5865f2;box-shadow:0 6px 20px rgba(88,101,242,.35)}
.btn.o{background:transparent;box-shadow:none;border:1px solid rgba(34,211,238,.55);color:var(--cyl)}.btn.o:hover{background:rgba(34,211,238,.08)}
.btn.r{background:#3a141a;box-shadow:none;color:#ffb3bb}.btn.sm{padding:7px 12px;font-size:13px}.btn.wide{width:100%;margin-top:8px}.btn small{font-weight:600;opacity:.8}
.btn.static{cursor:default}.linkbtn{background:none;border:0;color:inherit;font:inherit;cursor:pointer;width:100%;text-align:left}

/* hero */
.hero2{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:26px;margin:18px 16px 0;padding:34px 30px;border-radius:14px;overflow:hidden;border:1px solid #1a1c23;
background:radial-gradient(circle at 75% 40%,rgba(225,29,46,.4),transparent 45%),radial-gradient(circle at 95% 10%,rgba(34,211,238,.16),transparent 35%),
linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px) 0 0/28px 28px,linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px) 0 0/28px 28px,#07080b}
.hero2 h1{margin:0;font-size:40px;font-weight:900;color:#fff;text-shadow:-2px 0 rgba(34,211,238,.7),2px 0 rgba(255,46,77,.8)}
.hero2 h1 em{font-style:normal;color:var(--red)}.hero2 p{color:var(--mut2);font-size:15.5px;margin:12px 0 18px;max-width:470px}
.hud{position:absolute;width:18px;height:18px;border:2px solid var(--cy);opacity:.75}.hud.tl{left:10px;top:10px;border-width:2px 0 0 2px}
.hud.tr{right:10px;top:10px;border-width:2px 2px 0 0}.hud.bl{left:10px;bottom:10px;border-width:0 0 2px 2px}.hud.br{right:10px;bottom:10px;border-width:0 2px 2px 0}
.stats3{display:flex;gap:24px;margin-top:22px;flex-wrap:wrap}.stats3 b{display:block;color:#fff;font-size:22px;font-weight:900}.stats3 span{font-size:12px;color:var(--mut)}
.feat2{display:block;background:var(--card);border:1px solid var(--red);border-radius:12px;overflow:hidden;position:relative;color:var(--tx);
box-shadow:0 0 0 1px rgba(255,59,78,.35),0 20px 50px rgba(225,29,46,.3);transition:transform .2s}.feat2:hover{transform:translateY(-3px);color:var(--tx)}
.ribbon{position:absolute;left:12px;top:12px;background:var(--yl);color:#111;font-weight:900;font-size:11.5px;padding:3px 8px;border-radius:4px;z-index:2}
.feat2 .im{height:170px;position:relative;background:radial-gradient(circle at 60% 45%,rgba(225,29,46,.7),transparent 55%),linear-gradient(135deg,#120507,#06070a 60%,#061a20);background-size:cover;background-position:center}
.feat2 .im span{position:absolute;left:14px;bottom:10px;font-weight:900;font-size:24px;color:#fff;text-shadow:-2px 0 #22d3ee,2px 0 #ff2e4d}
.feat2 .bd{padding:14px 16px}.pr{display:flex;align-items:baseline;gap:8px;margin:6px 0 8px}.pr b{font-size:28px;color:#fff;font-weight:900}
.pr s,.price s,.pp s{color:#6d717c;font-size:13px}.pr i{font-style:normal;background:#16080b;border:1px solid var(--red);color:#ffb3bb;font-size:11.5px;border-radius:4px;padding:1px 6px}
.hot{color:#ffb3bb}.bar2{height:6px;border-radius:9px;background:var(--line);overflow:hidden;margin:5px 0 8px}.bar2 div{height:100%;background:linear-gradient(90deg,var(--red),var(--yl))}
.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(225,29,46,.88);box-shadow:0 0 0 6px rgba(225,29,46,.25),0 0 30px rgba(225,29,46,.8)}
.play:after{content:"";position:absolute;left:22px;top:17px;border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent}

/* dải vừa mua */
.ticker{display:flex;gap:16px;align-items:center;margin:14px 16px 0;padding:9px 14px;background:#0a0b0f;border:1px solid #1a1c23;border-radius:10px;font-size:13px;color:var(--mut2);overflow:hidden;white-space:nowrap}
.ticker .live{color:#ff5a6a;font-weight:900;display:flex;gap:6px;align-items:center;flex:none}.ticker .live:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 8px var(--red);animation:beat 1.4s infinite}
.tk{display:flex;gap:28px;animation:marq 40s linear infinite}.tk b{color:#fff}@keyframes marq{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* khu */
.sec{padding:22px 16px 6px}.sec.narrow{max-width:760px;margin:0 auto}
.sec h3{margin:0 0 14px;color:#fff;font-size:15.5px;display:flex;gap:8px;align-items:center;letter-spacing:.05em;text-transform:uppercase}
.sec h3:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(255,46,77,.6),transparent);margin-left:6px}
.h1s{font-size:26px;color:#fff;margin:6px 0 14px;display:flex;gap:10px;align-items:center}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px;display:flex;gap:11px;align-items:center;color:var(--tx);transition:.2s}
.cat:hover{border-color:var(--red);box-shadow:0 0 18px rgba(255,59,78,.25);color:var(--tx)}.cat b{display:block;color:#fff}.cat span{font-size:12px;color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:11px;overflow:hidden;position:relative;color:var(--tx);transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{border-color:var(--red);box-shadow:0 0 0 1px rgba(255,59,78,.4),0 12px 32px rgba(225,29,46,.35);transform:translateY(-3px);color:var(--tx)}
.card.off{opacity:.6}
.thumb{height:110px;position:relative;background:radial-gradient(circle at 75% 40%,rgba(225,29,46,.55),transparent 55%),linear-gradient(135deg,#140608,#0a0b10 60%,#062028);background-size:cover;background-position:center}
.thumb.img:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.75))}
.thumb .tt{position:absolute;left:11px;right:11px;bottom:8px;font-weight:900;color:#fff;font-size:15px;letter-spacing:.03em;text-shadow:-1px 0 #22d3ee,1px 0 #ff2e4d;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{position:absolute;right:8px;top:8px;font-size:11px;font-weight:800;border-radius:4px;padding:2px 7px;background:rgba(34,211,238,.15);border:1px solid rgba(34,211,238,.6);color:var(--cyl);z-index:1}
.tag.r{background:rgba(255,59,78,.15);border-color:rgba(255,59,78,.7);color:#ffb3bb}
.rank{position:absolute;left:8px;top:8px;background:var(--red);color:#fff;font-weight:900;font-size:11px;border-radius:4px;padding:2px 7px;box-shadow:0 0 10px rgba(255,59,78,.6);z-index:1}
.cb{padding:11px 12px}.cb b{color:#fff;font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{font-size:12px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sold{font-size:12px;color:var(--cy2);margin-top:3px}.price{color:#fff;font-size:15px;margin-top:8px;display:flex;justify-content:space-between;align-items:center;gap:6px}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.how>div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13.5px;color:var(--mut2)}
.how b{display:flex;gap:8px;align-items:center;color:#fff;font-size:15px;margin-bottom:4px}.how i{font-style:normal;background:#e11d2e;color:#fff;width:24px;height:24px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.guar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}.guar>div{font-size:12.5px;color:var(--mut2);display:flex;gap:9px;align-items:flex-start}.guar b{display:block;color:#fff;font-size:13.5px}
.cta{margin:24px 16px 10px;border-radius:12px;padding:18px 20px;display:flex;align-items:center;gap:16px;background:linear-gradient(90deg,rgba(88,101,242,.25),rgba(225,29,46,.2));border:1px solid #2a2d45}
.cta>div{flex:1}.cta b{display:block;color:#fff;font-size:17px}.cta span{font-size:13px;color:var(--mut2)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 16px}.chip{background:#0e1015;border:1px solid var(--line2);border-radius:6px;padding:6px 12px;font-size:13px;color:var(--mut2);cursor:pointer;font-family:inherit}
.chip.on,.chip:hover{border-color:var(--red);background:#1c0a0e;color:#fff}
.search{display:flex;gap:8px;max-width:520px;margin-bottom:10px}
input,select,textarea{font:inherit;color:var(--tx);background:var(--bg2);border:1px solid var(--line2);border-radius:7px;padding:9px 11px;width:100%}
input:focus,select:focus,textarea:focus,.ed:focus{outline:none;border-color:var(--cy);box-shadow:0 0 0 2px rgba(34,211,238,.18)}
input[type=checkbox],input[type=radio]{width:auto}

/* sản phẩm */
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;padding:22px 16px}.pd>*,.co>*,.two>*,.hero2>*,.gal,.buy{min-width:0}
.media{border-radius:12px;width:100%;aspect-ratio:16/9;position:relative;overflow:hidden;border:1px solid #2a1116;background:radial-gradient(circle at 60% 45%,rgba(225,29,46,.55),transparent 50%),linear-gradient(135deg,#120507,#06070a 60%,#061a20)}
.media .slide{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}.media .yt iframe{width:100%;height:100%;border:0}
.media.empty .t{position:absolute;left:18px;top:18px;font-size:26px;font-weight:900;color:#fff;text-shadow:-2px 0 #22d3ee,2px 0 #ff2e4d}
.thumbs{display:flex;gap:8px;margin-top:9px;overflow-x:auto}.thumbs button{flex:0 0 84px;height:52px;border-radius:7px;border:1px solid var(--line);background:#12141b center/cover;cursor:pointer;display:flex;align-items:center;justify-content:center}
.thumbs button.on{border-color:var(--red);box-shadow:0 0 10px rgba(255,59,78,.5)}
.h2{font-size:28px;font-weight:900;color:#fff;margin:0;display:flex;gap:10px;align-items:center;text-shadow:-1.5px 0 rgba(34,211,238,.7),1.5px 0 rgba(255,46,77,.7)}
.sub{color:var(--cy2);font-weight:700;margin:5px 0 9px}
.pills{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:6px}.pill{display:inline-flex;gap:5px;align-items:center;font-size:12.5px;border:1px solid var(--line2);border-radius:5px;padding:3px 9px}
.pill.g{border-color:rgba(34,211,238,.6);color:var(--cyl)}.pill.r{border-color:rgba(255,59,78,.6);color:#ffb3bb}
.plan{display:flex;align-items:center;gap:10px;border:1px solid var(--line2);border-radius:9px;padding:11px 12px;margin-top:9px;cursor:pointer;transition:.15s}
.plan:hover{border-color:#3a3f4d}.plan input{accent-color:var(--red)}.plan>span:first-of-type{flex:1}.plan small{display:block;color:var(--mut);font-size:12px}
.plan:has(input:checked){border-color:var(--red);background:#16080b;box-shadow:inset 3px 0 0 var(--red)}.plan.off{opacity:.45;cursor:not-allowed}
.pp{text-align:right}.pp b{display:block;color:#fff;font-size:15.5px}
.qty{display:flex;gap:12px;align-items:center;margin-top:14px;font-size:14px}.stepper{display:flex;border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.stepper button{background:#12141b;border:0;color:#fff;width:36px;font-size:18px;cursor:pointer}.stepper input{width:54px;text-align:center;border:0;border-radius:0}
.total{margin-left:auto;color:#ff5a6a;font-size:22px;font-weight:900;text-shadow:0 0 12px rgba(255,90,106,.5)}
.guest{font-size:13px;color:var(--mut2);background:#0c0d12;border:1px dashed #2a2d36;border-radius:8px;padding:9px 11px;margin-top:12px}.guest input{margin-top:8px}
.acts{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.acts .btn:first-child{flex:1;min-width:180px;padding:13px}
.trust{font-size:12.5px;color:var(--mut);margin-top:12px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.relpost,.relprod{display:flex;gap:10px;align-items:center;margin-top:14px;background:var(--card);border:1px solid var(--line);border-radius:9px;padding:10px 12px;color:var(--tx)}
.relpost small,.relprod small{display:block;color:var(--mut);font-size:12px}.relprod>span:nth-child(2){flex:1}
.tabs{display:flex;gap:18px;border-bottom:1px solid var(--line);margin-bottom:12px}.tabs span{padding:10px 0;color:var(--mut)}.tabs .on{color:#fff;border-bottom:2px solid var(--red)}
.rich{font-size:15px;line-height:1.75;color:#d4d6dd}.rich h2,.rich h3{color:#fff;margin:18px 0 8px}.rich img{border-radius:9px;margin:8px 0}
.rich ul li::marker{color:var(--red)}.rich blockquote{border-left:3px solid var(--cy);margin:10px 0;padding:6px 14px;background:#0a0b0f}
.rich code{background:#16181f;border-radius:4px;padding:1px 5px;color:var(--cyl)}.rich pre{background:#0a0b0f;border:1px solid var(--line);padding:10px;border-radius:8px;overflow:auto}
.rich .callout{background:#1a0a0d;border:1px solid #3a141a;border-left:3px solid var(--red);border-radius:8px;padding:10px 14px;margin:12px 0;color:#ffd0d5}
.rich ol.steps{list-style:none;counter-reset:st;padding:0}.rich ol.steps li{counter-increment:st;position:relative;padding:9px 12px 9px 46px;margin:8px 0;background:var(--card);border:1px solid var(--line);border-radius:8px}
.rich ol.steps li:before{content:counter(st);position:absolute;left:10px;top:8px;width:26px;height:26px;border-radius:5px;background:#e11d2e;color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.yt{position:relative;aspect-ratio:16/9;margin:12px 0;border-radius:10px;overflow:hidden;background:#000}.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.faq{margin-top:18px}.faq details{border-bottom:1px solid var(--line);padding:10px 0}.faq summary{cursor:pointer;color:#fff;font-weight:600}.faq p{color:var(--mut2);margin:8px 0 0}
.sticky{display:none}

/* đơn hàng */
.box{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:16px;margin-bottom:14px}
.box h4{margin:0 0 10px;color:#fff;font-size:15px;display:flex;gap:7px;align-items:center}.box.glow{border-color:var(--red);box-shadow:0 0 24px rgba(255,59,78,.2)}
.co{display:grid;grid-template-columns:1fr 1fr;gap:16px}.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:5px 0}.row.t{border-top:1px solid var(--line);margin-top:6px;padding-top:9px;font-weight:900;color:#fff;font-size:16px}
.row.t b{color:#ff5a6a}.row2{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.qrimg{display:block;margin:6px auto 10px;background:#fff;border-radius:10px;padding:8px}
.code{font-family:ui-monospace,Consolas,monospace;background:var(--bg2);border:1px dashed var(--cy);border-radius:7px;padding:8px 10px;text-align:center;font-size:17px;color:var(--cyl);letter-spacing:.08em;margin:4px 0 8px;word-break:break-all}
.code.sm{font-size:12.5px;letter-spacing:0;text-align:left}
.warn{font-size:13px;color:#ffb3bb;background:#1a0a0d;border:1px solid #3a141a;border-radius:7px;padding:8px 10px;margin-top:10px}
.notice{font-size:14px;border-radius:8px;padding:10px 12px;margin:0 0 14px;color:var(--cyl);background:#06181c;border:1px solid #0e4651}
.notice.err{color:#ffb3bb;background:#1a0a0d;border-color:#3a141a}
.key{display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:ui-monospace,Consolas,monospace;background:var(--bg2);border:1px solid var(--red);border-radius:7px;padding:10px 12px;margin:7px 0;font-size:15px;color:#fff;letter-spacing:.06em;word-break:break-all}
.form label{display:block;font-size:13px;color:var(--mut2);margin-bottom:12px}.form input{margin-top:5px}
.bigp{font-size:28px;font-weight:900;color:#fff;margin:4px 0 10px}
.tw{overflow-x:auto}.tbl{width:100%;border-collapse:collapse;font-size:13.5px}.tbl th{text-align:left;color:#6d717c;font-weight:700;padding:8px 6px;border-bottom:1px solid var(--line);font-size:11.5px;letter-spacing:.05em;white-space:nowrap}
.tbl td{padding:9px 6px;border-bottom:1px solid #14161c;vertical-align:middle}
.st{font-size:11.5px;border-radius:4px;padding:2px 8px;border:1px solid;white-space:nowrap}.st.ok{color:var(--cyl);border-color:#0e4651;background:#06181c}.st.wt{color:#ffb3bb;border-color:#3a141a;background:#1a0a0d}.st.dr{color:var(--mut2);border-color:#2a2d36}

/* blog */
.blog{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.bc{display:block;background:var(--card);border:1px solid var(--line);border-radius:11px;overflow:hidden;color:var(--tx);transition:.2s}.bc:hover{border-color:var(--cy);color:var(--tx)}
.bc .im{height:130px;background:radial-gradient(circle at 70% 40%,rgba(34,211,238,.35),transparent 55%),linear-gradient(135deg,#061a20,#0a0b10 60%,#140608);background-size:cover;background-position:center}
.bc .bt{padding:11px 13px}.bc small{color:#ff5a6a;font-weight:800;font-size:11px;letter-spacing:.06em}.bc b{display:block;color:#fff;font-size:15px;margin:2px 0}.bc p{margin:0;font-size:13px;color:var(--mut)}
.art{max-width:800px;margin:0 auto;padding:26px 16px}.art h1{font-size:32px;color:#fff;margin:4px 0 6px;text-shadow:-1.5px 0 rgba(34,211,238,.7),1.5px 0 rgba(255,46,77,.7)}
.kick{color:#ff5a6a;font-weight:800;letter-spacing:.06em}.cover{width:100%;border-radius:12px;margin:14px 0}

.foot{margin-top:30px;padding:18px max(16px,calc((100vw - 1180px)/2 + 16px));border-top:1px solid #1a1c23;font-size:13px;color:#6d717c;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot a{color:var(--mut2)}

/* điện thoại */
@media (max-width:900px){
  .hero2,.pd,.co,.two{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.cats{grid-template-columns:repeat(2,1fr)}
  .blog{grid-template-columns:1fr 1fr}.how,.guar{grid-template-columns:1fr 1fr}.hero2 h1{font-size:30px}
}
@media (max-width:640px){
  body{font-size:14.5px}.nav{gap:10px}.links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:#08090c;border-bottom:1px solid #1a1c23}
  .links.open{display:flex}.links a{padding:12px 18px;border-top:1px solid #14161c}.links .mob{display:block}.menu{display:block}.hide-m,.usr span{display:none}
  .nav .btn.d,.nav .btn.login{padding:7px 10px;font-size:12px}.nav .btn.d .t-l{display:none}.logo .glitch{font-size:15px}.logo .eye{width:28px;height:28px}
  .topbar{font-size:11.5px;padding:5px 10px}html,body{overflow-x:hidden}.hero2{margin:10px 10px 0;padding:22px 16px}.hero2 h1{font-size:25px}.stats3{gap:16px}.stats3 b{font-size:18px}
  .sec{padding:18px 10px 4px}.grid{gap:9px}.thumb{height:84px}.cb{padding:9px}.cb b{font-size:13px}.price{font-size:13.5px}.price .btn{display:none}
  .how,.guar,.blog{grid-template-columns:1fr}.cta{flex-direction:column;align-items:flex-start;margin:20px 10px}
  .pd{padding:12px 10px;gap:14px}.h2{font-size:22px}.acts .btn:first-child{min-width:100%}
  .sticky{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;gap:10px;align-items:center;padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:rgba(10,11,15,.97);border-top:1px solid #2a1116;box-shadow:0 -10px 30px rgba(0,0,0,.6)}
  .sticky .p{flex:1}.sticky b{display:block;color:#fff;font-size:18px;font-weight:900}.sticky span{font-size:11.5px;color:var(--mut)}
  body:has(.sticky) .foot{padding-bottom:90px}.ticker{margin:10px 10px 0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ====== quản trị ====== */
.adminbody main{max-width:none}
.adm{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.side{background:#07080b;border-right:1px solid #1a1c23;padding:16px 12px;font-size:14px;position:sticky;top:0;height:100vh;overflow:auto}
.side .lg{display:flex;gap:8px;align-items:center;margin:0 4px 18px}.side .lg .glitch{font-size:15px}
.side .it{padding:9px 11px;border-radius:7px;color:var(--mut2);display:flex;gap:9px;align-items:center;margin-bottom:2px}
.side .it.on,.side .it:hover{background:#16080b;color:#fff;box-shadow:inset 3px 0 0 var(--red)}
.side .sm{font-size:11px;color:#5d616c;letter-spacing:.08em;margin:16px 8px 6px;font-weight:800}
.main{padding:20px 24px;min-width:0}.top2{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}.top2 h2{margin:0;color:#fff;font-size:21px;flex:1}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:13px 14px}.kpi span{font-size:12px;color:var(--mut)}.kpi b{display:block;font-size:24px;color:#fff;margin:4px 0}
.kpi em{font-style:normal;font-size:12px;color:var(--cy2)}.kpi.r b{color:#ff5a6a;text-shadow:0 0 12px rgba(255,90,106,.5)}
.two.w{grid-template-columns:1.6fr 1fr}.two.w2{grid-template-columns:1.6fr 1fr;align-items:start}
.chart{height:150px;display:flex;align-items:flex-end;gap:7px;padding-top:10px;border-bottom:1px solid var(--line)}
.chart .col{flex:1;height:100%;display:flex;flex-direction:column-reverse;gap:1px}.chart .col div{border-radius:3px 3px 0 0;background:linear-gradient(180deg,#ff3b4e,#7f0a14);min-height:1px}.chart .col div.c{background:linear-gradient(180deg,#22d3ee,#0e4651)}
.alerts{margin:0;padding-left:0;list-style:none;font-size:13.5px;line-height:2}
.lab{display:block;font-size:12px;color:var(--mut);font-weight:700;margin:12px 0 6px;letter-spacing:.04em}.lab>input,.lab>select,.lab>.inp{margin-top:6px}
.inp.big{font-size:19px;font-weight:900;text-shadow:-1px 0 rgba(34,211,238,.6),1px 0 rgba(255,46,77,.6)}.inp.xl{font-size:24px;margin-bottom:6px}
.inp.num{width:70px;padding:6px 8px}.inp.pre{display:flex;align-items:center;padding:0 0 0 10px}.inp.pre span{color:var(--mut)}.inp.pre input{border:0;background:none}
.rte{border:1px solid var(--line2);border-radius:8px;overflow:hidden}
.rte .tb{display:flex;gap:4px;flex-wrap:wrap;background:#101217;padding:6px;border-bottom:1px solid var(--line2);position:sticky;top:0;z-index:2}
.rte .tb button{background:#16181f;border:0;color:var(--mut2);border-radius:5px;padding:5px 9px;font:inherit;font-size:12.5px;cursor:pointer;display:inline-flex;gap:5px;align-items:center}
.rte .tb button:hover{background:#22252f;color:#fff}.rte .tb .sep{width:8px}
.ed{min-height:220px;padding:14px;background:var(--bg2)}.ed:empty:before{content:"Nhập nội dung…";color:#555}
.ed div[data-youtube]{position:relative;aspect-ratio:16/9;max-width:420px;border-radius:9px;margin:10px 0;background:#000 url(/static/icons/video.svg) center/48px no-repeat;border:1px solid #2a1116}
.ed div[data-youtube]:after{content:"Video YouTube: " attr(data-youtube);position:absolute;left:10px;bottom:8px;font-size:12px;color:var(--mut2)}
.mediagrid{display:flex;gap:10px;flex-wrap:wrap}.mi{width:130px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px;font-size:12px}
.mthumb{height:76px;border-radius:6px;background:#12141b center/cover;display:flex;align-items:center;justify-content:center}.mthumb.wide{height:120px;margin-bottom:6px}
.mi .mv{display:flex;gap:4px;margin-top:4px}.mi .mv button{flex:1;background:#16181f;border:0;color:#fff;border-radius:4px;cursor:pointer}
.drop{display:block;border:1.5px dashed #0e4651;border-radius:9px;padding:14px;text-align:center;font-size:13px;color:var(--mut2);background:#06121a;margin-top:10px;cursor:pointer}
.drop input{display:block;margin:8px auto 0;max-width:280px}.drop.sm{padding:10px}
.tog{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13.5px;padding:9px 0;border-bottom:1px solid #14161c;cursor:pointer}
label.sw,span.sw{position:relative;display:inline-block;width:40px;height:22px;flex:none}.sw input{opacity:0;width:0;height:0;position:absolute}
.sw span{position:absolute;inset:0;border-radius:99px;background:#2a2d36;transition:.2s}.sw span:after{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#8b8f9a;transition:.2s}
.sw input:checked+span{background:var(--red2);box-shadow:0 0 10px rgba(225,29,46,.6)}.sw input:checked+span:after{left:21px;background:#fff}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 12px}
.sec-ed.new{border-style:dashed}.sec-ed summary{cursor:pointer;color:var(--cy2);font-size:13px;margin-top:8px}
.pkgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:8px}.pk{display:flex;gap:8px;align-items:center;font-size:13px;background:var(--bg2);border-radius:6px;padding:5px 8px}
.pthumb{width:56px;height:38px;border-radius:6px;background:linear-gradient(135deg,#140608,#062028) center/cover}
@media (max-width:900px){.adm{grid-template-columns:1fr}.side{position:static;height:auto}.kpis{grid-template-columns:1fr 1fr}.two.w,.two.w2,.grid3{grid-template-columns:1fr}.main{padding:14px}}
.btn.wide{width:100%;justify-content:center}
.auth .box{max-width:440px}.auth>.small{max-width:440px}
.authlinks{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:12px 0 0}
.orline{display:flex;align-items:center;gap:10px;color:var(--mut2);font-size:12px;margin:16px 0 12px}.orline:before,.orline:after{content:"";flex:1;height:1px;background:var(--line)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
details.box summary{cursor:pointer;list-style:none;display:flex;gap:7px;align-items:center}

/* =====================================================================
   GIAO DIỆN DỄ NHÌN (v4)
   - Đỏ chỉ dùng cho nút mua chính, giá và cảnh báo; bớt phát sáng.
   - Chữ sáng hơn, to hơn; bỏ hiệu ứng nhoè 2 màu ở tiêu đề (chỉ giữ ở logo).
   - Bỏ vạch quét màn hình và lưới nền.
   ===================================================================== */
:root{--bg:#0b0c10;--bg2:#101217;--card:#14161c;--card2:#181b22;--line:#252931;--line2:#2f343e;
--tx:#eef0f4;--mut:#a3a8b3;--mut2:#cdd0d7;--red:#ff4757;--red2:#e11d2e;--cy:#3dd5ee;--cy2:#7fe3f3;--ok:#4ade80;color-scheme:dark}
body{font-size:15.5px;line-height:1.65;background:var(--bg)}
body:after{display:none}
a{color:var(--cy2)}
.glitch{text-shadow:-1px 0 rgba(61,213,238,.75),1px 0 rgba(255,46,77,.85)}

/* tiêu đề: rõ, không nhoè */
.hero2 h1,.h2,.art h1,.thumb .tt,.feat2 .im span,.media.empty .t,.inp.big{text-shadow:none}
.hero2 h1{font-size:44px;letter-spacing:-.02em;line-height:1.12}
.h2{font-size:30px;letter-spacing:-.01em}.art h1{font-size:34px;letter-spacing:-.01em}
.sec{padding:34px 16px 6px}
.sec h3{font-size:21px;letter-spacing:-.01em;text-transform:none;margin-bottom:16px}
.sec h3:after{background:var(--line);opacity:1}
.h1s{font-size:28px}

/* thanh trên + menu */
.topbar{background:#160a0d;color:#ffc7cd;font-weight:600;border-bottom:1px solid #2a1418}
.nav{background:rgba(11,12,16,.9);border-bottom-color:var(--line)}
.links{gap:22px;font-size:14.5px}.links a{color:var(--mut2)}
.links a.on{color:#fff;box-shadow:inset 0 -2px 0 var(--red);padding-bottom:4px}

/* nút: một nút chính màu đỏ, các nút phụ trung tính */
.btn{background:var(--red2);box-shadow:0 4px 14px rgba(225,29,46,.28);font-weight:700;border-radius:9px}
.btn:hover{background:#f0283a;box-shadow:0 6px 18px rgba(225,29,46,.38)}
.btn.o{border:1px solid var(--line2);color:var(--tx);background:var(--card)}.btn.o:hover{border-color:#4a505c;background:var(--card2);color:#fff}
.btn.d{box-shadow:none}.btn.login{background:var(--card);border:1px solid var(--line2);box-shadow:none}.btn.login:hover{background:var(--card2);border-color:#4a505c}

/* hero */
.hero2{border-color:var(--line);padding:44px 40px;gap:40px;align-items:center;
background:radial-gradient(ellipse at 85% 30%,rgba(225,29,46,.22),transparent 55%),radial-gradient(ellipse at 0% 100%,rgba(61,213,238,.07),transparent 50%),#0f1115}
.hud{opacity:.35;border-color:var(--mut)}
.hero2 p{color:var(--mut2);font-size:17px;max-width:500px}
.stats3{gap:32px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.stats3 b{font-size:24px}.stats3 span{font-size:13px;color:var(--mut)}
.feat2{border:1px solid var(--line2);box-shadow:0 24px 60px rgba(0,0,0,.5)}
.feat2:hover{border-color:#4a505c}
.feat2 .im{height:180px;background:radial-gradient(circle at 70% 40%,rgba(225,29,46,.3),transparent 60%),linear-gradient(135deg,#1a1d24,#111318);background-size:cover;background-position:center}
.feat2 .bd{padding:18px 20px}.feat2 .ft{display:block;font-size:20px;color:#fff;font-weight:800}.feat2 .fs{display:block;color:var(--mut);font-size:14px;margin-top:2px}
.pr b{font-size:30px}.pr i{background:rgba(255,71,87,.12);border-color:rgba(255,71,87,.5);color:#ffb3bb}
.hot{color:var(--mut2)}.bar2{background:#22252d}.bar2 div{background:var(--red2)}
.ribbon{font-size:12px}

/* ảnh thay thế khi sản phẩm chưa có ảnh */
.ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;opacity:.9}
.ph .ic{filter:grayscale(.2)}.ph small{font-size:12px;color:var(--mut);font-weight:600;letter-spacing:.04em}
.media.empty .ph small{font-size:15px;color:var(--mut2)}

/* dải vừa mua */
.ticker{background:var(--card);border-color:var(--line);font-size:13.5px}

/* nhóm sản phẩm */
.cats{gap:14px}.cat{padding:16px;border-color:var(--line);background:var(--card)}
.cat:hover{border-color:#4a505c;box-shadow:none;background:var(--card2)}
.cat b{font-size:15.5px}.cat span{font-size:13px}

/* thẻ sản phẩm */
.grid{gap:18px}
.card{border-color:var(--line);border-radius:12px}
.card:hover{border-color:#4a505c;box-shadow:0 14px 34px rgba(0,0,0,.45);transform:translateY(-2px)}
.thumb{height:130px;background:radial-gradient(circle at 80% 30%,rgba(225,29,46,.16),transparent 55%),linear-gradient(135deg,#1b1e25,#121419);background-size:cover;background-position:center}
.thumb .tt{display:none}
.tag{background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.35);color:#a7f3c0;font-weight:700}
.tag.r{background:rgba(255,255,255,.06);border-color:var(--line2);color:var(--mut)}
.rank{background:var(--red2);box-shadow:none}
.cb{padding:14px 14px 14px}.cb b{font-size:15.5px;font-weight:700}.meta{font-size:13px;color:var(--mut);margin-top:1px}
.sold{color:var(--mut);font-size:12.5px;margin-top:6px}.sold .ic{opacity:.7}
.price{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:16px}.price b{font-weight:800}
.price .btn{padding:6px 14px;font-size:13px;box-shadow:none}

/* 3 bước + cam kết */
.how{gap:14px}.how>div{padding:18px;font-size:14.5px;border-color:var(--line)}.how b{font-size:16px;margin-bottom:6px}.how i{background:var(--red2)}
.guar{gap:16px;margin-top:18px}.guar>div{font-size:13.5px;color:var(--mut)}.guar b{font-size:14.5px}
.cta{background:var(--card);border-color:var(--line);margin-top:34px}

/* trang sản phẩm: ảnh + mô tả bên trái, khung mua bên phải */
.pd{grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr);grid-template-areas:"gal buy" "desc buy";gap:28px 36px;padding:28px 16px;align-items:start}
.pd>.pg{grid-area:gal}.pd>.buy{grid-area:buy;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.pd>.pdesc{grid-area:desc;min-width:0}
.media{border-color:var(--line);background:radial-gradient(circle at 75% 35%,rgba(225,29,46,.18),transparent 55%),linear-gradient(135deg,#1b1e25,#111318)}
.thumbs button.on{border-color:var(--red);box-shadow:none}
.sub{color:var(--mut2);font-weight:500;font-size:16px}
.pill{border-color:var(--line2);color:var(--mut2);background:var(--bg2)}
.pill.g{border-color:rgba(74,222,128,.35);color:#a7f3c0;background:rgba(74,222,128,.08)}.pill.r{background:rgba(255,71,87,.08)}
.plan{border-color:var(--line2);padding:13px 14px;background:var(--bg2)}
.plan b{font-size:15px}.plan small{font-size:12.5px}
.plan:has(input:checked){border-color:var(--red);background:rgba(255,71,87,.07);box-shadow:none}
.pp b{font-size:16px}
.total{color:#fff;font-size:26px;text-shadow:none}
.guest{background:var(--bg2);border:1px solid var(--line);border-style:solid;font-size:13.5px;line-height:1.6}
.acts .btn:first-child{padding:14px;font-size:15.5px}
.trust{font-size:13px;color:var(--mut)}
.tabs{gap:22px}.tabs span{font-weight:600}
.rich{font-size:16px;line-height:1.8;color:#dcdee4}.rich h2,.rich h3{font-size:19px;letter-spacing:0}
.rich .callout{background:rgba(255,71,87,.07);border-color:rgba(255,71,87,.25);color:#ffd5d9}
.rich ol.steps li{background:var(--card);border-color:var(--line)}.rich ol.steps li:before{background:var(--red2)}
.faq summary{font-weight:600;padding:2px 0}.faq p{color:var(--mut2)}

/* đơn hàng, hộp, bảng */
.box{border-color:var(--line);border-radius:12px;padding:18px}
.box.glow{border-color:rgba(255,71,87,.6);box-shadow:none}
.code{border-style:solid;border-color:var(--line2);color:#fff;background:var(--bg2)}
.key{border-color:rgba(74,222,128,.45);background:rgba(74,222,128,.06)}
.notice{background:rgba(61,213,238,.07);border-color:rgba(61,213,238,.3);color:#c9f4fb}
.notice.err,.warn{background:rgba(255,71,87,.08);border-color:rgba(255,71,87,.3);color:#ffccd1}
.st.ok{color:#a7f3c0;border-color:rgba(74,222,128,.35);background:rgba(74,222,128,.08)}
.st.wt{color:#fde68a;border-color:rgba(250,204,21,.35);background:rgba(250,204,21,.08)}
.tbl th{color:var(--mut)}.tbl td{border-bottom-color:var(--line)}
input,select,textarea{background:var(--bg2);border-color:var(--line2);padding:11px 12px;border-radius:9px}
input:focus,select:focus,textarea:focus,.ed:focus{border-color:var(--cy);box-shadow:0 0 0 3px rgba(61,213,238,.15)}
.form label{font-size:13.5px;color:var(--mut2);font-weight:600}

/* blog */
.blog{gap:18px}.bc{border-color:var(--line)}.bc:hover{border-color:#4a505c}
.bc .im{height:150px;background:linear-gradient(135deg,#1b1e25,#111318);background-size:cover;background-position:center}
.bc .bt{padding:14px 16px}.bc b{font-size:16px}.bc p{font-size:13.5px}.bc small,.kick{color:#ff8a95}

.foot{border-top-color:var(--line);color:var(--mut)}

@media (max-width:900px){
  .pd{grid-template-columns:1fr;grid-template-areas:"gal" "buy" "desc";gap:18px}
  .hero2{padding:30px 22px;gap:26px}.hero2 h1{font-size:32px}
}
@media (max-width:640px){
  body{font-size:15px}.hero2{padding:24px 18px}.hero2 h1{font-size:28px}.hero2 p{font-size:15.5px}
  .stats3{gap:18px}.stats3 b{font-size:19px}
  .sec{padding:26px 12px 4px}.sec h3{font-size:18.5px}
  .grid{gap:10px}.thumb{height:92px}.cb{padding:10px 11px}.cb b{font-size:14px}.meta{font-size:12px}.price{font-size:14.5px;margin-top:9px;padding-top:9px}
  .pd{padding:14px 12px}.pd>.buy{padding:16px}.h2{font-size:23px}
  .links.open{background:var(--bg)}
}
@media (max-width:640px){
  .stats3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.stats3 b{font-size:17px}.stats3 span{font-size:11.5px;line-height:1.35;display:block}
  .hero2 .hx>.btn{margin-bottom:6px}
}
.seo .cnt{float:right;font-weight:600;color:var(--mut)}.seo .cnt.over{color:#ff8a95}
.serp{background:#fff;border-radius:10px;padding:12px 14px;margin-top:6px;font-family:Arial,sans-serif}
.serp small{display:block;color:#4d5156;font-size:12px}.serp b{display:block;color:#1a0dab;font-size:18px;font-weight:400;margin:2px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.serp p{margin:0;color:#4d5156;font-size:13.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.chart.big{height:190px;gap:3px}.chart .col{position:relative}.chart .col i{position:absolute;left:50%;bottom:-18px;transform:translateX(-50%);font-style:normal;font-size:10.5px;color:var(--mut);white-space:nowrap}
.chart.big,.chart.hrs{margin-bottom:22px}.chart.hrs{height:110px;gap:3px}.chart.hrs .col div{background:linear-gradient(180deg,#3dd5ee,#0e4651)}
.kpi em.up{color:#86efac}.kpi em.down{color:#ff8a95}
.mbar{height:5px;background:#22252d;border-radius:9px;margin-top:5px;overflow:hidden}.mbar div{height:100%;background:var(--red2)}
.split{height:12px;border-radius:9px;background:#5865f2;overflow:hidden;margin:4px 0 8px}.split div{height:100%;background:var(--red2)}
.chips .chip .ic{vertical-align:-3px}a.chip{display:inline-flex;gap:6px;align-items:center}
@media (max-width:640px){.chart.big{gap:1px}.chart .col i{font-size:9px}}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:0}.dot.r{background:var(--red2)}.dot.d{background:#5865f2}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:13.5px}.keyadd{margin-top:16px}

/* ===== v7: bố cục cửa hàng theo nhóm, trạng thái, chân trang nhiều cột, trung tâm hướng dẫn ===== */
.from{display:inline-flex;align-items:baseline;gap:6px}.from small{font-size:10.5px;font-weight:800;letter-spacing:.08em;color:var(--mut)}
.stl{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;white-space:nowrap}
.stl:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 6px currentColor}
.stl.ok{color:#4ade80}.stl.wt{color:#facc15}.stl.off{color:#a3a8b3}.stl.off:before{box-shadow:none}
p .stl{margin-left:12px}
.shophead{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:6px}.shophead .h1s{margin-bottom:4px}
.shophead p{margin:0 0 4px;max-width:560px}.shophead .search{margin:0;flex:1;min-width:240px;max-width:380px}
.jumpbar{position:sticky;top:61px;z-index:30;display:flex;gap:8px;overflow-x:auto;padding:12px 0;margin:10px 0 4px;background:var(--bg);border-bottom:1px solid var(--line);scrollbar-width:none}
.jumpbar::-webkit-scrollbar{display:none}
.jumpbar a{flex:none;display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:9px;background:var(--card);border:1px solid var(--line);color:var(--mut2);font-size:14px;font-weight:600}
.jumpbar a:hover{border-color:#4a505c;color:#fff}.jumpbar small{color:var(--mut);font-weight:600}
.gsec{scroll-margin-top:130px;padding-top:26px}.ghead{margin-bottom:14px}
.ghead h2{margin:0;color:#fff;font-size:22px;display:flex;gap:9px;align-items:center}.ghead p{margin:5px 0 0;color:var(--mut);font-size:14.5px;max-width:680px}
.tbl.stat td{padding:12px 8px}.tbl.stat tr.grp td{color:var(--mut);font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding-top:18px;border-bottom-color:var(--line2)}
.tbl.stat a{color:var(--tx)}.tbl.stat a:hover{color:#fff}

.foot{display:none}
.foot2{margin-top:56px;border-top:1px solid var(--line);background:#090a0d;padding-left:max(16px,calc((100vw - 1180px)/2 + 16px));padding-right:max(16px,calc((100vw - 1180px)/2 + 16px))}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:32px;padding-block:40px 30px}
.fc{display:flex;flex-direction:column;gap:9px;min-width:0}.fc h4{margin:0 0 4px;color:#fff;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.fc a{color:var(--mut);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fc a:hover{color:#fff}
.fc.about p{margin:0;color:var(--mut);font-size:14px;line-height:1.6;max-width:340px}.fc.about .logo{margin-bottom:4px}
.fc.about .btn{align-self:flex-start;margin-top:4px;color:#fff}.fstat b{color:#fff;font-size:18px}
.fbot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:16px;border-top:1px solid var(--line);color:var(--mut);font-size:13px}
body:has(.sticky) .foot2{padding-bottom:90px}

.dochero{text-align:center;padding:26px 0 30px;border-bottom:1px solid var(--line);margin-bottom:26px}
.dochero h1{margin:0;color:#fff;font-size:32px;display:flex;justify-content:center;gap:10px;align-items:center}
.dochero p{color:var(--mut2);margin:8px 0 18px}.dochero .search{margin:0 auto;max-width:560px}
.topics{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.topic{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.topic h2{margin:0 0 8px;color:#fff;font-size:17px;display:flex;justify-content:space-between;align-items:baseline}.topic h2 small{color:var(--mut);font-size:12.5px;font-weight:600}
.trow{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:10px 0;border-top:1px solid var(--line);color:var(--tx)}
.trow b{font-weight:600}.trow span{grid-column:1;color:var(--mut);font-size:13px}.trow .ic{grid-row:1/3;grid-column:2;align-self:center}.trow:hover b{color:#fff;text-decoration:underline}
.docwrap{display:grid;grid-template-columns:230px minmax(0,1fr) 210px;gap:36px;padding:26px 16px;align-items:start}
.docwrap .art{max-width:none;margin:0;padding:0}
.docnav,.doctoc{position:sticky;top:80px;max-height:calc(100vh - 100px);overflow:auto;font-size:14px}
.docnav summary{list-style:none;cursor:default;color:#fff;font-weight:700;display:flex;gap:7px;align-items:center;margin-bottom:8px}
.docnav summary::-webkit-details-marker{display:none}
.dn-t{color:var(--mut);font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin:16px 0 6px}
.docnav a{display:block;padding:6px 10px;border-radius:7px;color:var(--mut2);border-left:2px solid transparent;line-height:1.4}
.docnav a:hover{color:#fff;background:var(--card)}.docnav a.on{color:#fff;background:var(--card);border-left-color:var(--red)}
.doctoc b{display:block;color:#fff;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}
.doctoc a{display:block;color:var(--mut);padding:4px 0 4px 10px;border-left:1px solid var(--line);line-height:1.4}.doctoc a.t3{padding-left:22px;font-size:13px}
.doctoc a:hover{color:#fff;border-left-color:var(--red)}
.crumb{font-size:13px;color:var(--mut);margin-bottom:6px}.crumb a{color:var(--mut2)}
.rich h2,.rich h3{scroll-margin-top:80px}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.pn a{display:block;border:1px solid var(--line);border-radius:11px;padding:13px 15px;color:var(--tx);background:var(--card)}
.pn a:hover{border-color:#4a505c}.pn small{display:block;color:var(--mut);font-size:12.5px}.pn b{font-size:15px}.pn .nx{text-align:right;grid-column:2}

@media (max-width:1100px){.docwrap{grid-template-columns:220px minmax(0,1fr)}.doctoc{display:none}}
@media (max-width:900px){.fgrid{grid-template-columns:1fr 1fr}.fc.about{grid-column:1/-1}.topics{grid-template-columns:1fr}
  .docwrap{grid-template-columns:1fr;gap:16px}.docnav{position:static;max-height:none;background:var(--card);border:1px solid var(--line);border-radius:11px;padding:12px 14px}
  .docnav summary{cursor:pointer;margin:0}.docnav details:not([open]) summary{margin:0}.docnav details[open] summary{margin-bottom:6px}}
@media (max-width:640px){.jumpbar{top:57px;margin-inline:-12px;padding-inline:12px}.ghead h2{font-size:19px}.gsec{scroll-margin-top:120px}
  .fgrid{gap:22px;padding-block:30px 20px}.dochero h1{font-size:25px}.pn{grid-template-columns:1fr}.pn .nx{grid-column:1}.shophead .search{max-width:none}}
.legend{display:flex;gap:18px;flex-wrap:wrap;margin:-4px 0 16px}

/* ===== v9: đầu trang chủ có hình nền tràn màn hình ===== */
html,body{overflow-x:clip}
.hero3{position:relative;margin-inline:calc(50% - 50vw);width:100vw;min-height:clamp(540px,78vh,780px);display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line);background:#07080b}
.hero3 .hbg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0;max-width:none}
.hshade{position:absolute;inset:0;z-index:0;pointer-events:none;
 background:linear-gradient(90deg,rgba(7,8,11,calc(var(--dim) + .3)) 0%,rgba(7,8,11,var(--dim)) 50%,rgba(7,8,11,calc(var(--dim) * .45)) 100%),
            linear-gradient(0deg,var(--bg) 0%,rgba(11,12,16,0) 28%)}
.hin{position:relative;z-index:1;width:100%;max-width:1180px;margin:0 auto;padding-block:72px 64px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
 display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero3 h1{margin:0;color:#fff;font-size:54px;font-weight:900;line-height:1.06;letter-spacing:-.025em;text-wrap:balance;text-shadow:0 2px 24px rgba(0,0,0,.5)}
.hero3 h1 em{font-style:normal;color:var(--red)}
.hero3 .hx>p{color:#e3e5ea;font-size:18.5px;line-height:1.6;margin:16px 0 26px;max-width:540px;text-shadow:0 1px 12px rgba(0,0,0,.6)}
.hbtn{display:flex;gap:12px;flex-wrap:wrap}.btn.lg{padding:14px 22px;font-size:16px;border-radius:10px}
.hero3 .btn.o{background:rgba(20,22,28,.55);backdrop-filter:blur(6px);border-color:rgba(255,255,255,.18)}
.hbadges{list-style:none;margin:22px 0 0;padding:0;display:flex;gap:10px 22px;flex-wrap:wrap;color:#d6d9df;font-size:14px}
.hbadges li{display:flex;gap:7px;align-items:center}
.hero3 .stats3{border-top-color:rgba(255,255,255,.12);max-width:540px}
.hero3 .feat2{background:rgba(18,20,26,.74);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:rgba(255,255,255,.12);box-shadow:0 30px 80px rgba(0,0,0,.55)}
.hero3 .feat2 .im{height:170px}
.hero3+.ticker{margin-top:22px}
@media (max-width:900px){.hin{grid-template-columns:1fr;gap:30px;padding-block:52px 40px}.hero3{min-height:0}.hero3 h1{font-size:38px}
  .hshade{background:linear-gradient(180deg,rgba(7,8,11,var(--dim)) 0%,rgba(7,8,11,calc(var(--dim) + .2)) 60%,var(--bg) 100%)}}
@media (max-width:640px){.hin{padding-block:40px 30px}.hero3 h1{font-size:31px}.hero3 .hx>p{font-size:16px}.btn.lg{padding:12px 16px;font-size:15px;flex:1}
  .hbadges{font-size:13px;gap:8px 16px}}
/* danh mục con trong nhóm */
.subnav{display:flex;gap:8px;flex-wrap:wrap;margin:-2px 0 4px}.subnav a{font-size:13px;padding:5px 11px;border-radius:99px;border:1px solid var(--line2);color:var(--mut2)}
.subnav a:hover{color:#fff;border-color:#4a505c}.subnav a small{color:var(--mut)}
.subcat{margin-top:22px;padding-left:14px;border-left:2px solid var(--line2);scroll-margin-top:130px}
.shead{margin-bottom:12px}.shead h3{margin:0;color:#fff;font-size:17px}.shead p{margin:3px 0 0;color:var(--mut);font-size:13.5px}
@media (max-width:640px){.subcat{padding-left:10px}}