:root{--bg:#f4fbfb;--fg:#13302f;--muted:#557170;--card:#fff;--line:#d3e8e8;--teal:#1a9fa1;--teal-nen:#2dc2c4;--cam:#ff9501;--cam-chu:#1b1b1b;--loi:#c0392b;--tot:#1f8a4c;--font:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0e1c1c;--fg:#e4f3f2;--muted:#9fbab9;--card:#152828;--line:#24403f;--teal:#2dc2c4;--loi:#ff7b6b;--tot:#5fd394;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);font-family:var(--font);margin:0;font-size:16px;line-height:1.6}a{color:var(--teal)}.khung{max-width:1040px;padding-inline:max(16px, env(safe-area-inset-left,0px));margin:0 auto}h1,h2,h3{text-wrap:balance;margin:0;line-height:1.2}p{margin:0}.nhan-nho{text-transform:uppercase;letter-spacing:.08em;color:var(--cam);font-size:.75rem;font-weight:600}.dau{background:var(--teal-nen);color:#0e1c1c}.dau .khung{justify-content:space-between;align-items:center;gap:12px;padding-block:14px;display:flex}.dau b{font-size:1.1rem;font-weight:800}.dau a{color:#0e1c1c;font-weight:600}.hero{gap:14px;padding-block:48px 32px;display:grid}.hero h1{font-size:clamp(2rem,6vw,3.4rem);font-weight:800}.hero h1 em{color:var(--teal);font-style:normal}.hero .phu{color:var(--muted);max-width:60ch;font-size:1.15rem}.huy-hieu{flex-wrap:wrap;gap:10px;margin-top:6px;display:flex}.huy-hieu span{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 12px;font-size:.9rem}.chinh{grid-template-columns:minmax(0,360px) minmax(0,1fr);align-items:start;gap:28px;padding-block:8px 48px;display:grid}@media (max-width:820px){.chinh{grid-template-columns:minmax(0,1fr)}}.form{background:var(--card);border:1px solid var(--line);border-radius:12px;gap:12px;padding:20px;display:grid;position:sticky;top:16px}@media (max-width:820px){.form{position:static}}.form h2{font-size:1.3rem}label{gap:4px;font-size:.92rem;font-weight:600;display:grid}input[type=text],input[type=email],input[type=tel],input[type=number],input[type=password],textarea,select{font:inherit;border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:8px;width:100%;padding:10px 12px}textarea{min-height:120px}.dong-y{color:var(--muted);align-items:flex-start;gap:8px;font-size:.88rem;font-weight:400;display:flex}.nut{font:inherit;background:var(--cam);color:var(--cam-chu);cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:12px 18px;font-weight:700;text-decoration:none;display:inline-flex}.nut:disabled{opacity:.6;cursor:wait}.nut.phu{color:var(--teal);border:1px solid var(--teal);background:0 0}.nut.nho{padding:6px 12px;font-size:.88rem}.nut:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.loi{color:var(--loi);font-size:.9rem}.tot{color:var(--tot);font-size:.95rem;font-weight:600}.ghi-chu{color:var(--muted);font-size:.82rem}.luoi{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.the{background:var(--card);border:1px solid var(--line);border-radius:12px;align-content:start;gap:8px;min-width:0;padding:18px;display:grid}.the .tren{justify-content:space-between;align-items:center;gap:8px;display:flex}.the h3{font-size:1.1rem}.the p{color:var(--muted);font-size:.95rem}.gia{white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:.85rem;font-weight:800}.gia.tang{background:color-mix(in srgb, var(--teal-nen) 22%, transparent);color:var(--teal)}.gia.ban{background:color-mix(in srgb, var(--cam) 22%, transparent);color:var(--fg)}.khoa{color:var(--muted);font-size:.9rem}.buoc{gap:14px;padding-block:8px 48px;display:grid}.buoc ol{gap:6px;margin:0;padding-left:22px;display:grid}.chan{border-top:1px solid var(--line);color:var(--muted);padding-block:20px;font-size:.88rem}.chan .khung{flex-wrap:wrap;justify-content:space-between;gap:8px;display:flex}.qt{gap:22px;padding-block:24px 60px;display:grid}.qt section{background:var(--card);border:1px solid var(--line);border-radius:12px;gap:12px;min-width:0;padding:18px;display:grid}.so{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;display:grid}.so div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}.so b{font-variant-numeric:tabular-nums;font-size:1.8rem;display:block}.bang{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:8px}th{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:.78rem}td.so-le{font-variant-numeric:tabular-nums}.hang{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.hang>label{flex:180px}.canh-bao{border-left:4px solid var(--cam);background:color-mix(in srgb, var(--cam) 10%, var(--card));border-radius:8px;padding:12px 14px}