:root{
  --blue:#d7141a; --blue-d:#a50e13; --navy:#4a0709; --ink:#24130f; --muted:#6f5753;
  --line:#f2dedb; --bg:#fff5f3; --amber:#ffb400; --amber-d:#e09c00; --red:#e60012; --green:#16a34a; --zalo:#0068ff;
  --r:14px; --shadow:0 6px 24px rgba(74,7,9,.08); --shadow-h:0 14px 36px rgba(74,7,9,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:.2s;font-family:inherit}
.btn-amber{background:var(--amber);color:var(--navy)}
.btn-amber:hover{background:var(--amber-d);transform:translateY(-2px)}
.btn-zalo{background:var(--zalo);color:#fff}
.btn-zalo:hover{background:#0052cc;transform:translateY(-2px)}
.btn-ghost{border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d)}
svg.i{width:18px;height:18px;flex:none}

.topbar{background:var(--navy);color:#f7d2ce;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar span{display:inline-flex;align-items:center;gap:6px;margin-right:18px}
.topbar b{color:#fff}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:16px;height:76px}
.logo{display:block;text-decoration:none}.wm{display:block;line-height:1.05}.wm b{display:block;font-size:22px;font-weight:800;color:var(--blue);letter-spacing:.3px}.wm small{display:block;font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:1.2px;margin-top:3px;text-transform:uppercase}.fwm{display:inline-block;font-size:20px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.3px}
nav.main{flex:1}
nav.main ul{display:flex;list-style:none;gap:2px;justify-content:center}
nav.main a{display:block;padding:10px 12px;font-weight:600;font-size:14.5px;border-radius:8px;white-space:nowrap}
nav.main a:hover{color:var(--blue);background:#fdecec}
.hd-call{display:flex;align-items:center;gap:10px;white-space:nowrap;flex:none}
.hd-call .ico{width:44px;height:44px;border-radius:50%;background:var(--amber);display:grid;place-items:center;color:var(--navy)}
.hd-call small{display:block;font-size:12px;color:var(--muted);line-height:1.2}
.hd-call b{font-size:18px;color:var(--blue);line-height:1.2}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.burger svg{width:28px;height:28px}
.drawer{position:fixed;inset:0;z-index:100;display:none}
.drawer.open{display:block}
.drawer .bd{position:absolute;inset:0;background:rgba(74,7,9,.55)}
.drawer .pn{position:absolute;right:0;top:0;bottom:0;width:min(320px,86vw);background:#fff;overflow:auto;padding:20px}
.drawer .pn a.lk{display:block;padding:13px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.drawer .close{float:right;background:none;border:0;font-size:28px;cursor:pointer;line-height:1}

.hero{position:relative;background:radial-gradient(1200px 600px at 85% 20%,#ff4a2e 0%,transparent 60%),linear-gradient(135deg,var(--navy) 0%,var(--blue-d) 60%,#e3161b 100%);color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:96px}
.crumb{font-size:13px;color:#ffc9c4;margin-bottom:14px}
.crumb a:hover{color:#fff}
.tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,180,0,.15);color:var(--amber);border:1px solid rgba(255,180,0,.4);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600}
.hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.12;font-weight:800;margin:18px 0 18px;letter-spacing:-.5px}
.hero h1 span{display:block;color:var(--amber);font-size:.62em;font-weight:700;margin-top:10px;letter-spacing:0}
.hero p.lead{font-size:18px;color:#ffe0dc;max-width:580px}
.hero .cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero .stats{display:flex;gap:34px;margin-top:40px;flex-wrap:wrap}
.hero .stats b{display:block;font-size:28px;font-weight:800;color:#fff;line-height:1}
.hero .stats span{font-size:13px;color:#ffc9c4}
.hero-img{position:relative}
.hero-img .frame{border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45);border:6px solid rgba(255,255,255,.08);aspect-ratio:4/3.4;background:#e3161b}
.hero-img .frame img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;left:-24px;bottom:28px;background:#fff;color:var(--ink);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-h);display:flex;gap:12px;align-items:center}
.badge .ic{width:42px;height:42px;border-radius:10px;background:#e8f7ee;color:var(--green);display:grid;place-items:center}
.badge b{display:block;font-size:15px}
.badge small{color:var(--muted);font-size:12.5px}
.badge2{left:auto;right:-16px;top:24px;bottom:auto}
.badge2 .ic{background:#fff6dc;color:var(--amber-d)}

.promise{margin-top:-52px;position:relative;z-index:2}
.promise .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{background:#fff;border-radius:var(--r);padding:24px;box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start;border-top:4px solid var(--amber)}
.pcard .ic{width:52px;height:52px;border-radius:12px;background:#fdecec;color:var(--blue);display:grid;place-items:center;flex:none}
.pcard .ic svg{width:26px;height:26px}
.pcard h3{font-size:17px;margin-bottom:4px}
.pcard p{font-size:14px;color:var(--muted)}

section.s{padding:84px 0}
.sh{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.eyebrow{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase}
.sh h2,.h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.2;margin-top:6px}
.sh p{color:var(--muted);max-width:620px;margin-top:8px}
.center{justify-content:center;text-align:center}
.center p{margin-left:auto;margin-right:auto}
.more{color:var(--blue);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.white{background:#fff}

/* pain points */
.pains{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pain{background:var(--bg);border-radius:var(--r);padding:24px}
.pain .em{font-size:30px;line-height:1}
.pain h3{font-size:17px;margin:12px 0 6px}
.pain p{font-size:14.5px;color:var(--muted)}
.answer{margin-top:28px;background:var(--navy);color:#fff;border-radius:var(--r);padding:24px 28px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.answer p{font-size:17px;max-width:760px}
.answer b{color:var(--amber)}

/* price */
.ptable{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pt{background:#fff;border-radius:var(--r);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;border:1.5px solid transparent;position:relative}
.pt.hot{border-color:var(--blue)}
.pt.hot:before{content:"Nhà phố chọn nhiều";position:absolute;top:-12px;left:24px;background:var(--blue);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;z-index:1}
.pt .ph{border-radius:10px;overflow:hidden;aspect-ratio:4/3;margin:-8px -8px 16px;background:var(--bg)}
.pt .ph img{width:100%;height:100%;object-fit:cover}
.pt .model{font-size:12.5px;font-weight:700;color:var(--blue);letter-spacing:.5px}
.pt h3{font-size:21px;font-weight:800;margin:4px 0 2px}
.pt .fit{font-size:13.5px;color:var(--muted)}
.pt .price{font-size:23px;font-weight:800;color:var(--red);line-height:1.2;margin-top:12px}
.pt .price small{font-size:13px;color:var(--muted);font-weight:500}
.pt ul{list-style:none;margin:14px 0 20px;display:grid;gap:7px;font-size:14px;color:var(--muted)}
.pt li{display:flex;gap:8px}
.pt li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);margin-top:9px;flex:none}
.pt .btn{margin-top:auto;justify-content:center;padding:11px}
.pnote{font-size:13px;color:var(--muted);margin-top:16px}

/* where */
.where{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.wcard{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.wcard .im{aspect-ratio:4/3;background:var(--bg);overflow:hidden}
.wcard .im img{width:100%;height:100%;object-fit:cover}
.wcard .bd{padding:18px 20px 20px}
.wcard h3{font-size:17px;margin-bottom:6px}
.wcard p{font-size:14px;color:var(--muted)}

/* choose */
.choose{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.checklist{list-style:none;display:grid;gap:12px;counter-reset:c}
.checklist li{background:#fff;border-radius:12px;padding:16px 18px 16px 64px;position:relative;box-shadow:var(--shadow)}
.checklist li:before{counter-increment:c;content:counter(c);position:absolute;left:16px;top:14px;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:grid;place-items:center}
.checklist b{display:block}
.checklist span{font-size:14px;color:var(--muted)}
.safe{background:var(--navy);color:#fff;border-radius:20px;padding:30px}
.safe h3{font-size:22px;margin-bottom:14px}
.safe ul{list-style:none;display:grid;gap:12px}
.safe li{display:flex;gap:12px;color:#f7d2ce}
.safe li svg{color:var(--amber);flex:none;margin-top:3px}
.safe .warn{margin-top:20px;background:rgba(226,59,59,.15);border:1px solid rgba(226,59,59,.5);border-radius:12px;padding:14px 16px;color:#ffd5d5;font-size:14.5px}

/* tabs/products */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.tab{padding:10px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;font-size:14.5px;cursor:pointer;font-family:inherit;color:var(--muted)}
.tab:hover{border-color:var(--blue);color:var(--blue)}
.tab.on{background:var(--blue);border-color:var(--blue);color:#fff}
.tab .n{opacity:.7;font-weight:500;margin-left:4px}
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.25s;border:1px solid var(--line)}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.prod .im{position:relative;aspect-ratio:4/3;background:#fbf0ee;overflow:hidden;display:block}
.prod .im img{width:100%;height:100%;object-fit:cover}
.prod .off{position:absolute;top:12px;left:12px;background:var(--red);color:#fff;font-weight:700;font-size:12.5px;padding:4px 10px;border-radius:999px}
.prod .bd{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.prod h3{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:43px}
.prod .pr{margin-top:auto;padding-top:14px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.prod .now{color:var(--red);font-weight:800;font-size:18px}
.prod .old{color:#98a4b5;text-decoration:line-through;font-size:13.5px}
.prod .ask{color:var(--blue);font-weight:700;font-size:16px}
.prod .act{display:flex;gap:8px;margin-top:14px}
.prod .act a{flex:1;text-align:center;padding:9px 0;border-radius:10px;font-weight:600;font-size:13.5px}
.prod .act .q{background:var(--amber);color:var(--navy)}
.prod .act .d{border:1.5px solid var(--line)}
.prod .act .d:hover{border-color:var(--blue);color:var(--blue)}

/* lift table */
.lt{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.lt .pic{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-h);background:#fff}
.spec{width:100%;border-collapse:collapse;margin:18px 0 22px;font-size:15px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.spec th,.spec td{padding:11px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec th{width:44%;color:var(--muted);font-weight:600;background:#fffafa}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* steps */
.process{background:var(--navy);color:#fff}
.process .eyebrow{color:var(--amber)}
.process .sh p{color:#f5c2bd}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:st}
.step{position:relative;padding-top:64px}
.step:before{counter-increment:st;content:counter(st);position:absolute;top:0;left:0;width:48px;height:48px;border-radius:50%;background:var(--amber);color:var(--navy);font-weight:800;font-size:20px;display:grid;place-items:center;z-index:1}
.step:after{content:"";position:absolute;top:23px;left:48px;right:-16px;height:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.35) 0 6px,transparent 6px 12px)}
.step:last-child:after{display:none}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:#f5c2bd}

/* faq */
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border-radius:12px;box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary h3{font-size:16px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:24px;color:var(--blue);font-weight:500;line-height:1;transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:15px}

/* about */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.about p{color:var(--muted);margin-top:12px}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fact{background:var(--bg);border-radius:var(--r);padding:20px}
.fact b{display:block;font-size:26px;font-weight:800;color:var(--blue);line-height:1.1}
.fact span{font-size:14px;color:var(--muted)}

/* contact */
.contact{background:var(--navy);color:#fff}
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact .eyebrow{color:var(--amber)}
.contact p.lead{color:#f5c2bd;margin-top:10px}
.sale{display:flex;gap:16px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:20px;margin-top:26px}
.sale .av{width:64px;height:64px;border-radius:50%;background:var(--amber);color:var(--navy);display:grid;place-items:center;flex:none}
.sale .av svg{width:30px;height:30px}
.sale b{font-size:22px;display:block}
.sale span{color:#f5c2bd;font-size:14px}
.sale-btns{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.offices{display:grid;gap:10px;margin-top:22px;font-size:14.5px;color:#f5c2bd}
.offices div{display:flex;gap:10px}
.offices svg{color:var(--amber);margin-top:3px}
form.qf{background:#fff;color:var(--ink);border-radius:20px;padding:30px;display:grid;gap:14px}
form.qf h3{font-size:22px;font-weight:800}
form.qf .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
form.qf label{font-size:13px;font-weight:600;color:var(--muted);display:grid;gap:6px}
form.qf input,form.qf select,form.qf textarea{font:inherit;font-size:15px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fffafa;width:100%;color:var(--ink)}
form.qf input:focus,form.qf select:focus,form.qf textarea:focus{outline:0;border-color:var(--blue);background:#fff}
form.qf .btn{justify-content:center;font-size:16px}
form.qf .note{font-size:12.5px;color:var(--muted);text-align:center}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow-h);z-index:200;display:none;max-width:90vw;font-size:14.5px}

footer{background:#2b0405;color:#e3b3ae;font-size:14.5px}
footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 36px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:9px}
footer a:hover{color:var(--amber)}
footer .flogo{background:#fff;border-radius:12px;padding:8px 12px;display:inline-block;margin-bottom:14px}
footer .flogo img{height:50px;width:auto}
footer .bot{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

.fab{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:12px}
.fab a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.25);position:relative}
.fab .call{background:var(--red)}
.fab .call:before{content:"";position:absolute;inset:0;border-radius:50%;background:var(--red);animation:pulse 1.8s infinite;z-index:-1}
.fab .zalo{background:var(--zalo);font-weight:800;font-size:13px}
.fab svg{width:26px;height:26px}
@keyframes pulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.7);opacity:0}}
.mbar{display:none}

.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:1180px){
  nav.main{display:none}
  .burger{display:block;margin-left:0}
  .hd-call{margin-left:auto}
  .ptable,.pains,.where,.prods{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);row-gap:32px}
  .step:nth-child(3):after{display:none}
  footer .grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero .wrap,.choose,.lt,.about,.contact .grid{grid-template-columns:1fr}
  .hero .wrap{padding-top:40px;padding-bottom:90px}
  .badge{left:12px;bottom:12px;padding:10px 14px}
  .badge2{display:none}
  .promise .grid{grid-template-columns:1fr}
  section.s{padding:60px 0}
  .hd-call{display:none}
  .burger{margin-left:auto}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .topbar .r{display:none}
  .topbar .wrap>div:first-child{display:none}
  .ptable,.pains,.where{grid-template-columns:1fr}
  .prods{grid-template-columns:1fr 1fr;gap:12px}
  .prod .bd{padding:12px}
  .prod h3{font-size:13.5px;min-height:39px}
  .prod .now{font-size:15px}
  .prod .act{flex-direction:column;gap:6px}
  .steps{grid-template-columns:1fr;row-gap:22px}
  .step{padding:0 0 0 64px;min-height:48px}
  .step:after{display:none}
  form.qf .row{grid-template-columns:1fr}
  footer .grid{grid-template-columns:1fr}
  .hero .stats{gap:22px}
  .fab{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -6px 20px rgba(0,0,0,.15)}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 0;color:#fff;font-weight:700}
  .mbar .c{background:var(--red)} .mbar .z{background:var(--zalo)}
  body{padding-bottom:52px}
}

/* ===== Trang con: sản phẩm, danh mục, bài viết ===== */
.nav-sub a.on{color:var(--blue);background:#fdecec}
.phead{background:linear-gradient(135deg,var(--navy) 0%,var(--blue-d) 70%,#e3161b 100%);color:#fff;padding:22px 0 26px}
.phead .crumb{margin:0}
.phead .crumb a{color:#f7d2ce}
.phead h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.2;margin-top:10px}
.phead p{color:#ffe0dc;max-width:760px;margin-top:8px}

.pd{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;padding:36px 0 20px;align-items:start}
.gal .main{background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:1/1;display:grid;place-items:center}
.gal .main img{width:100%;height:100%;object-fit:contain}
.gal .th{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px}
.gal .th button{flex:none;width:78px;height:78px;border-radius:10px;overflow:hidden;border:2px solid var(--line);background:#fff;cursor:pointer;padding:0}
.gal .th button.on{border-color:var(--blue)}
.gal .th img{width:100%;height:100%;object-fit:cover}
.info .cat{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.info h1{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:800;margin:6px 0 14px}
.info .prc{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;background:#fff5f5;border:1px dashed #f3b4b4;border-radius:12px;padding:14px 18px}
.info .prc .now{font-size:30px;font-weight:800;color:var(--red);line-height:1.1}
.info .prc .old{color:#98a4b5;text-decoration:line-through}
.info .prc .off{background:var(--red);color:#fff;font-weight:700;font-size:13px;padding:3px 10px;border-radius:999px}
.info .prc .ask{font-size:24px;font-weight:800;color:var(--blue)}
.info .prc small{width:100%;color:var(--muted);font-size:13px}
.short{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:16px 20px;margin-top:16px;font-size:15px}
.short ul{list-style:none;display:grid;gap:6px}
.short li{display:flex;gap:10px}
.short li:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber);margin-top:9px;flex:none}
.short p{margin:4px 0}
.info .cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.info .cta .btn{justify-content:center}
.info .cta .wide{grid-column:1/-1}
.trust{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.trust div{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--muted);background:#fff;border-radius:10px;padding:10px 12px;border:1px solid var(--line)}
.trust svg{color:var(--blue);width:22px;height:22px;flex:none}
.trust b{color:var(--ink);display:block;font-size:14px}

.doc{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start;padding:30px 0 60px}
.toc{position:sticky;top:96px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:18px;font-size:14px;max-height:calc(100vh - 120px);overflow:auto}
.toc b{display:block;margin-bottom:8px}
.toc a{display:block;padding:6px 0;color:var(--muted);border-bottom:1px solid var(--line);line-height:1.4}
.toc a:hover{color:var(--blue)}
.toc .cta2{display:block;margin-top:14px;text-align:center;background:var(--zalo);color:#fff;border-radius:10px;padding:10px;font-weight:700;border:0}
.art{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:34px 40px;min-width:0;font-size:16.5px;line-height:1.75}
.art>*+*{margin-top:14px}
.art h2{font-size:25px;line-height:1.3;margin-top:34px;padding-top:6px;scroll-margin-top:96px}
.art h2:first-child{margin-top:0}
.art h3{font-size:20px;line-height:1.35;margin-top:26px;scroll-margin-top:96px}
.art h4,.art h5{font-size:17px;margin-top:20px}
.art a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.art ul,.art ol{padding-left:22px;display:grid;gap:6px}
.art img{border-radius:12px;margin:8px auto;max-height:720px;width:auto}
.art figure{text-align:center}
.art figcaption{font-size:13.5px;color:var(--muted)}
.art blockquote{border-left:4px solid var(--amber);background:#fffaf0;padding:12px 18px;border-radius:0 10px 10px 0}
.art iframe{width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:12px}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
.art table{width:100%;border-collapse:collapse;font-size:15px;min-width:460px}
.art td,.art th{border:1px solid var(--line);padding:9px 12px;vertical-align:top;text-align:left}
.art tr:nth-child(odd) td{background:#fffafa}
.art th{background:#fdecec}
.note-safe{background:#fff1f1;border:1px solid #f3b4b4;color:#8a1c1c;border-radius:12px;padding:14px 18px;font-size:15px}

.rel{padding:10px 0 70px}
.band{background:var(--navy);color:#fff;border-radius:20px;padding:30px 34px;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:10px 0 60px}
.band h2{font-size:24px}
.band p{color:#f5c2bd}
.band .btns{display:flex;gap:10px;flex-wrap:wrap}
.catdesc{max-width:980px;margin:0 auto 60px}
.empty{color:var(--muted);text-align:center;padding:40px}

@media (max-width:1000px){
  .doc{grid-template-columns:1fr}
  .toc{position:static;max-height:none}
}
@media (max-width:860px){
  .pd{grid-template-columns:1fr;gap:24px;padding-top:20px}
}
@media (max-width:560px){
  .art{padding:22px 18px;font-size:16px}
  .art h2{font-size:21px}
  .art h3{font-size:18px}
  .trust{grid-template-columns:1fr}
  .info .cta{grid-template-columns:1fr}
  .band{padding:24px 20px}
}

/* khối bài kiểu Điện Máy Xanh */
.lead2{font-size:18px;font-weight:500;color:var(--ink)}
.tt{background:#fff7e0;border:1px solid #ffd666;border-radius:14px;padding:16px 20px}
.tt b{display:block;color:var(--blue-d);font-size:17px;margin-bottom:6px}
.art .tt ul{list-style:none;padding:0}
.tt li{padding-left:26px;position:relative}
.tt li:before{content:"✔";position:absolute;left:2px;color:var(--blue);font-weight:800}
.art table.ts{min-width:0}
.art table.ts th{width:38%;background:#fdecec;color:var(--blue-d)}
.art ul.ok{list-style:none;padding:0}
.art ul.ok li{padding-left:28px;position:relative}
.art ul.ok li:before{content:"";position:absolute;left:4px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #fdecec}
.callout{display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:linear-gradient(135deg,var(--blue-d),var(--blue));color:#fff;border-radius:16px;padding:18px 20px;margin:24px 0}
.callout div{flex:1;min-width:220px}
.callout b{display:block;font-size:18px}
.callout span{color:#ffe0dc;font-size:14.5px}
.art .callout a.btn{color:var(--navy);text-decoration:none}
.art .callout a.btn-zalo{color:#fff}
.faq2{display:grid;gap:10px}
.faq2 details{border:1px solid var(--line);border-radius:12px;background:#fffafa}
.faq2 summary{cursor:pointer;padding:14px 18px;font-weight:700;list-style:none}
.faq2 summary::-webkit-details-marker{display:none}
.faq2 summary:before{content:"+ ";color:var(--blue);font-weight:800}
.faq2 details[open] summary:before{content:"– "}
.faq2 p{padding:0 18px 14px;color:var(--muted)}

.pd>*,.gal,.info{min-width:0}