:root{--navy:#12263f;--navy-2:#1c3557;--accent:#d97a1e;--accent-ink:#fff;--bg:#f6f5f2;--surface:#fff;--ink:#1d2433;--muted:#5d6676;--line:#e2e0da;--ok:#1f7a4d;--ok-bg:#e6f4ec;--err:#b42318;--err-bg:#fdecea;--radius:10px;--shadow:0 1px 2px #12263f0f, 0 4px 16px #12263f0f;--font:"Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg);color:var(--ink);margin:0;line-height:1.6}img{max-width:100%;display:block}a{color:var(--navy-2)}h1,h2,h3{color:var(--navy);margin:0 0 .6em;line-height:1.2}h1{letter-spacing:-.01em;font-size:clamp(1.8rem,3.5vw,2.6rem)}h2{font-size:clamp(1.4rem,2.5vw,1.9rem)}h3{font-size:1.1rem}p{margin:0 0 1em}.container{width:min(1180px,100% - 32px);margin-inline:auto}.narrow{max-width:780px}.container.narrow{width:min(780px,100% - 32px)}.muted{color:var(--muted)}.lead{color:var(--muted);font-size:1.12rem}.pre{white-space:pre-line}.back{color:var(--muted);margin-bottom:1rem;text-decoration:none;display:inline-block}.hp{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}.btn{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:.4em;padding:.7em 1.3em;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.btn--primary{background:var(--accent);color:var(--accent-ink)}.btn--primary:hover{background:#c06915}.btn--ghost{color:inherit;background:0 0;border-color:currentColor}.btn--sm{padding:.45em .9em;font-size:.92rem}.btn:disabled{opacity:.6;cursor:progress}.header{background:var(--surface);border-bottom:1px solid var(--line);z-index:20;position:sticky;top:0}.header__inner{flex-wrap:wrap;align-items:center;gap:1.5rem;min-height:64px;padding-block:8px;display:flex}.brand{color:var(--navy);align-items:center;gap:.6rem;font-size:1.1rem;font-weight:800;text-decoration:none;display:flex}.brand__mark{background:linear-gradient(90deg, var(--navy) 0 60%, var(--accent) 60%);border-radius:3px;width:26px;height:18px}.brand__logo{object-fit:contain;width:auto;height:36px;display:block}.nav{flex-wrap:wrap;align-items:center;gap:1.2rem;margin-left:auto;display:flex}.nav a:not(.btn){color:var(--ink);font-weight:500;text-decoration:none}.nav a:not(.btn):hover{color:var(--accent)}.lang{border:1px solid var(--line);border-radius:6px;gap:2px;display:flex;overflow:hidden}.lang a{color:var(--muted);padding:.2em .55em;font-size:.8rem;font-weight:600;text-decoration:none}.lang a.is-active{background:var(--navy);color:#fff}.hero{background:var(--navy) center/cover no-repeat;color:#fff;position:relative}.hero:before{content:"";background:linear-gradient(100deg,#12263ff2 35%,#12263f8c);position:absolute;inset:0}.hero__inner{max-width:1180px;padding-block:clamp(64px,10vw,120px);position:relative}.hero h1{color:#fff;max-width:16ch;font-size:clamp(2.1rem,5vw,3.4rem)}.hero__text{opacity:.9;max-width:52ch;font-size:1.15rem}.hero__cta{flex-wrap:wrap;gap:.8rem;margin-top:1.5rem;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-size:.8rem;font-weight:700}.stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;max-width:760px;margin:3rem 0 0;display:grid}.stats dt{color:#fff;font-size:2rem;font-weight:800}.stats dd{opacity:.8;margin:0;font-size:.92rem}.section{padding-block:clamp(40px,6vw,72px)}.section--alt{background:#efede7}.section--dark{background:var(--navy);color:#fff}.section--dark h2{color:#fff}.section--dark .field span{color:#ffffffd9}.section__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:1.5rem;display:flex}.section__head h2,.section__head h1{margin:0}.grid{gap:1.25rem;display:grid}.grid--3{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.split{grid-template-columns:1fr;gap:1.25rem;display:grid}@media (min-width:900px){.split{grid-template-columns:1.1fr 1fr}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--ink);padding:1.4rem}.card--link{flex-direction:column;text-decoration:none;transition:transform .15s,border-color .15s;display:flex}.card--link:hover{border-color:var(--accent);transform:translateY(-2px)}.card--link p{color:var(--muted)}.card--product{padding:0 0 1.2rem;overflow:hidden}.card--product>:not(img,.ph){padding-inline:1.2rem}.card--product img,.ph{aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:1rem}.ph{background:repeating-linear-gradient(45deg,#ece9e1 0 12px,#e4e0d6 12px 24px)}.ph--lg{border-radius:var(--radius)}.link{color:var(--accent);margin-top:auto;font-weight:600}.process{counter-reset:s;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.process li{background:var(--surface);border-top:3px solid var(--accent);border-radius:0 0 var(--radius) var(--radius);color:var(--navy);padding:1.1rem;font-weight:600}.process span{color:var(--accent);font-size:.85rem;display:block}.chips{flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;display:flex}.chips a,.chips span{border:1px solid var(--line);color:var(--ink);background:var(--surface);border-radius:99px;padding:.35em .9em;font-size:.92rem;text-decoration:none}.chips a.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}.pager{gap:.4rem;margin-top:2rem;display:flex}.pager a{border:1px solid var(--line);border-radius:6px;padding:.3em .75em;text-decoration:none}.pager a.is-active{background:var(--navy);color:#fff}.product{grid-template-columns:1fr;gap:2rem;margin-bottom:2.5rem;display:grid}@media (min-width:900px){.product{grid-template-columns:1.1fr 1fr}}.product__media{gap:.75rem;display:grid}.product__media img{border-radius:var(--radius);aspect-ratio:4/3;object-fit:cover;width:100%}.cover{border-radius:var(--radius);margin:1.5rem 0}.checks{padding:0;list-style:none}.checks li{margin-bottom:.4em;padding-left:1.6em;position:relative}.checks li:before{content:"✓";color:var(--accent);font-weight:700;position:absolute;left:0}.prose{margin-block:1.5rem}.prose img{border-radius:var(--radius)}.facts{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.9rem 1.5rem;margin:1rem 0 1.5rem;display:grid}.facts--2{grid-template-columns:repeat(2,minmax(0,1fr))}.facts dt{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:.8rem}.facts dd{overflow-wrap:anywhere;margin:0;font-weight:600}.table-wrap{overflow-x:auto}.table{border-collapse:collapse;background:var(--surface);border-radius:var(--radius);width:100%;overflow:hidden}.table th,.table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:.75rem 1rem}.table thead th{color:var(--muted);background:#efede7;font-size:.85rem}.table tbody th{width:40%;color:var(--muted);font-weight:500}@media (max-width:640px){.table--orders thead{display:none}.table--orders tr{border-bottom:1px solid var(--line);padding:.5rem 0;display:block}.table--orders td{border:0;justify-content:space-between;gap:1rem;padding:.3rem 1rem;display:flex}.table--orders td:before{content:attr(data-label);color:var(--muted);font-size:.85rem}}.form{gap:1rem;display:grid}.form--inline{grid-template-columns:1fr;align-items:end}@media (min-width:720px){.form--inline{grid-template-columns:1fr 1fr auto}}.row{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;display:grid}.field{gap:.35rem;display:grid}.field span{color:var(--ink);font-size:.9rem;font-weight:600}.field b{color:var(--accent)}.field input,.field select,.field textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid #cfccc4;border-radius:8px;width:100%;padding:.65em .8em}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:#0000}.auth{width:min(440px,100% - 32px)}.notice{color:var(--navy);background:#eef2f7;border-radius:8px;margin:0 0 1rem;padding:.75rem 1rem}.notice--ok{background:var(--ok-bg);color:var(--ok)}.notice--err{background:var(--err-bg);color:var(--err)}.track__result{margin-top:1.5rem}.track__head{flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-bottom:1rem;display:flex}.track__head h1,.track__head h2{margin:.1em 0}.track__head small{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.75rem}.badge{color:#9a520c;white-space:nowrap;background:#fff3e6;border-radius:99px;padding:.3em .8em;font-size:.85rem;font-weight:700;display:inline-block}.steps{gap:0;margin:0 0 1.5rem;padding:0;list-style:none;display:grid}.step{color:var(--muted);align-items:center;gap:.8rem;padding:.45rem 0;display:flex;position:relative}.step:not(:last-child):after{content:"";background:var(--line);width:2px;position:absolute;top:1.6rem;bottom:-.45rem;left:7px}.step__dot{z-index:1;background:#fff;border:2px solid #c9c5bb;border-radius:50%;flex:none;width:16px;height:16px}.step--done{color:var(--ink)}.step--done .step__dot{background:var(--ok);border-color:var(--ok)}.step--done:after{background:var(--ok)!important}.step--current{color:var(--navy);font-weight:700}.step--current .step__dot{border-color:var(--accent);background:var(--accent);box-shadow:0 0 0 4px #d97a1e33}.steps--cancelled{opacity:.5}.log{margin:0;padding:0;list-style:none}.log li{border-left:2px solid var(--line);padding:0 0 1rem 1rem}.log time{color:var(--muted);font-size:.82rem;display:block}.log p{color:var(--muted);white-space:pre-line;margin:.25rem 0 0}.docs{margin:0;padding:0;list-style:none}.docs li{border-bottom:1px solid var(--line);justify-content:space-between;gap:1rem;padding:.6rem 0;display:flex}.docs a{font-weight:600}.docs small{color:var(--muted);white-space:nowrap}.footer{color:#ffffffbf;background:#0d1c2f;margin-top:0;padding-top:48px}.footer strong{color:#fff;margin-bottom:.5rem;display:block}.footer a{color:#ffffffd9}.footer p{margin:0 0 .4rem}.footer__grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;display:grid}.footer__links{align-content:start;gap:.4rem;display:grid}.footer__bottom{border-top:1px solid #ffffff1a;margin-top:2rem;padding-block:1rem;font-size:.85rem}.draft-banner{background:var(--err);color:#fff;text-align:center;z-index:50;padding:.5rem 1rem;font-size:.85rem;font-weight:600;position:sticky;top:0}.draft-banner a{color:#fff;margin-left:.5rem;text-decoration:underline}.chat{z-index:30;gap:8px;display:grid;position:fixed;bottom:16px;right:16px}.chat__btn{color:#fff;box-shadow:var(--shadow);border-radius:99px;padding:.6em 1em;font-size:.9rem;font-weight:700;text-decoration:none}.chat__btn--wa{background:#1f9d55}.chat__btn--zalo{background:#0068ff}@media (max-width:720px){.nav{gap:.9rem;width:100%;margin-left:0;font-size:.95rem}.header{position:static}}