:root{--tk-bone:#FAF7F2;--tk-paper:#FFFFFF;--tk-ink:#15110D;--tk-ink-2:#3F362C;--tk-muted:#6E6256;--tk-line:#E5DCCB;--tk-line-2:#D6CBB5;--tk-red:#B91C1C;--tk-red-dk:#7F1414;--tk-gold:#B8862C;--tk-gold-lt:#E9C76B;--tk-green:#1F7A4E;--tk-font-body:'Be Vietnam Pro', system-ui, -apple-system, sans-serif;--tk-font-disp:'Fraunces', 'Be Vietnam Pro', Georgia, serif;--tk-font-mono:'JetBrains Mono', ui-monospace, 'SF Mono', monospace;--tk-container:1240px;--tk-pad-x:32px;--tk-radius-card:12px;--tk-radius-btn:6px;--tk-radius-pill:999px}body{background:var(--tk-bone);color:var(--tk-ink);font-family:var(--tk-font-body)}.site-content,.ast-container{max-width:var(--tk-container);padding-left:var(--tk-pad-x);padding-right:var(--tk-pad-x)}h1,h2,h3,h4,h5{font-family:var(--tk-font-disp);color:var(--tk-ink);letter-spacing:-.025em}.tk-h1-hero{font:700 76px/0.95 var(--tk-font-disp);letter-spacing:-.035em}.tk-h1-page{font:700 64px/1.05 var(--tk-font-disp);letter-spacing:-.03em}.tk-h2{font:700 44px/1.05 var(--tk-font-disp);letter-spacing:-.025em}.tk-h3{font:700 22px/1.2 var(--tk-font-disp);letter-spacing:-.015em}.tk-eyebrow{font:600 11px/1 var(--tk-font-body);letter-spacing:.18em;color:var(--tk-gold);text-transform:uppercase}.tk-mono{font-family:var(--tk-font-mono);font-weight:500}.tk-hairline{border:1px solid var(--tk-line)}.tk-hairline-strong{border:1px solid var(--tk-line-2)}.tk-btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--tk-red);color:var(--tk-bone);font:600 14px/1 var(--tk-font-body);padding:14px 22px;border-radius:var(--tk-radius-btn);text-decoration:none;border:none;cursor:pointer;transition:background 0.15s ease}.tk-btn-primary:hover{background:var(--tk-red-dk);color:var(--tk-bone)}.tk-btn-outline{display:inline-flex;align-items:center;gap:8px;background:#fff0;color:var(--tk-ink);font:600 14px/1 var(--tk-font-body);padding:13px 21px;border-radius:var(--tk-radius-btn);text-decoration:none;border:1px solid var(--tk-ink)}.tk-btn-outline:hover{background:var(--tk-ink);color:var(--tk-bone)}.tk-pill{display:inline-block;padding:6px 12px;background:var(--tk-paper);border:1px solid var(--tk-line);border-radius:var(--tk-radius-pill);font:600 11px/1 var(--tk-font-body);letter-spacing:.18em;color:var(--tk-gold);text-transform:uppercase}.tk-float-calls{position:fixed;bottom:20px;right:20px;z-index:50;display:flex;flex-direction:column;gap:10px}.tk-float-calls a{width:52px;height:52px;border-radius:var(--tk-radius-pill);display:flex;align-items:center;justify-content:center;text-decoration:none;color:var(--tk-bone)}.tk-float-calls .phone{background:var(--tk-red);box-shadow:0 8px 24px rgb(185 28 28 / .4)}.tk-float-calls .zalo{background:#0084FF;box-shadow:0 8px 24px rgb(0 132 255 / .35)}.tk-topbar{background:var(--tk-ink);color:#D9CFBF;font:500 12px/1 var(--tk-font-body);padding:8px 0}.tk-topbar .inner{max-width:var(--tk-container);margin:0 auto;padding:0 var(--tk-pad-x);display:flex;justify-content:space-between;align-items:center;gap:16px}.tk-topbar .phone{color:var(--tk-gold-lt)}.tk-material-card{background:var(--tk-paper);border:1px solid var(--tk-line);border-radius:var(--tk-radius-card);overflow:hidden;display:flex;flex-direction:column}.tk-material-card .img-wrap{aspect-ratio:768 / 1024;overflow:hidden}.tk-material-card .img-wrap img{width:100%;height:100%;object-fit:cover}.tk-material-card .body{padding:20px;display:flex;flex-direction:column;gap:12px}.tk-material-card .code-chip{display:inline-block;padding:4px 10px;background:var(--tk-bone);border:1px solid var(--tk-line);border-radius:var(--tk-radius-pill);font:600 11px/1 var(--tk-font-mono);color:var(--tk-ink-2)}.tk-material-card .price-range{font:600 18px/1.2 var(--tk-font-mono);color:var(--tk-ink)}.tk-material-card .trend-up{color:var(--tk-green);font-weight:600}.tk-material-card .trend-down{color:var(--tk-red);font-weight:600}.tk-material-card .props-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px solid var(--tk-line);padding-top:12px;margin-top:4px}.tk-material-card .props-grid .label{font:500 10px/1 var(--tk-font-body);color:var(--tk-muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}.tk-material-card .props-grid .value{font:600 13px/1.2 var(--tk-font-mono);color:var(--tk-ink)}@media (max-width:1023px){.tk-h1-hero{font-size:56px}.tk-h1-page{font-size:48px}.tk-h2{font-size:36px}}@media (max-width:767px){.tk-topbar{display:none}.tk-h1-hero{font-size:40px}.tk-h1-page{font-size:36px}.tk-h2{font-size:28px}:root{--tk-pad-x:20px}}