:root{--red:#C8102E;--maroon:#7B1E26;--gold:#C9A24B;--gold-d:#A8822F;--cream:#FBF4E6;--cream2:#F5E9D2;--ink:#3A2A1E;--ink2:#6B5847;--green:#2E7D4F}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Be Vietnam Pro',sans-serif;color:var(--ink);background:var(--cream);line-height:1.75;font-size:16px}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:820px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:rgba(251,244,230,.97);border-bottom:1px solid #E8D9BC;backdrop-filter:blur(8px)}
header.site .in{max-width:1100px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;flex-direction:column;line-height:1.15;text-decoration:none}
.logo .l1{font-family:'Playfair Display',serif;font-weight:800;font-size:20px;color:var(--red);letter-spacing:1px}
.logo .l2{font-size:10px;color:var(--ink2)}
.hnav{display:flex;gap:18px;font-size:13.5px;font-weight:500;flex-wrap:wrap}
.hnav a{color:var(--ink)}
.hnav a:hover{color:var(--red);text-decoration:none}
.btn{display:inline-block;background:var(--red);color:#fff !important;font-weight:600;padding:11px 26px;border-radius:40px;font-size:14.5px;text-decoration:none !important}
.btn.gold{background:var(--gold)}
.btn.zalo{background:#0068FF}
.crumb{font-size:12.5px;color:var(--ink2);margin:26px 0 6px}
.crumb a{color:var(--ink2)}
article{background:#fff;border-radius:16px;padding:38px 42px;margin:12px 0 30px;box-shadow:0 10px 30px -14px rgba(58,42,30,.18)}
h1{font-family:'Playfair Display',serif;color:var(--maroon);font-size:clamp(24px,3.6vw,34px);line-height:1.25;margin-bottom:10px}
.byline{font-size:12.5px;color:var(--ink2);border-bottom:1.5px dashed #E7D7B4;padding-bottom:16px;margin-bottom:20px}
article h2{font-family:'Playfair Display',serif;color:var(--maroon);font-size:22px;margin:30px 0 12px}
article h3{color:var(--maroon);font-size:17px;margin:22px 0 8px}
article p{margin:12px 0}
article ul,article ol{margin:12px 0 12px 24px}
article li{margin:6px 0}
article b,article strong{color:var(--maroon)}
.lead{font-size:17px;color:var(--ink2)}
.tablewrap{overflow-x:auto;margin:16px 0;border:1px solid #EBDCBE;border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:420px}
th{background:var(--maroon);color:#fff;font-weight:600;text-align:left;padding:10px 14px}
td{padding:9px 14px;border-top:1px solid #F0E4C8}
tr:nth-child(even) td{background:#FBF6EA}
td.p{color:var(--red);font-weight:700;white-space:nowrap}
.note{background:#FFF8E8;border-left:4px solid var(--gold);padding:14px 18px;border-radius:0 10px 10px 0;font-size:14.5px;margin:16px 0}
.cta{background:linear-gradient(135deg,var(--maroon),#5C1218);color:#F3E4C8;border-radius:14px;padding:26px 28px;margin:28px 0;text-align:center}
.cta h3{color:#fff;font-family:'Playfair Display',serif;font-size:20px;margin:0 0 8px}
.cta p{font-size:14px;margin:6px 0 14px}
.cta .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.faq details{background:#FBF6EA;border:1px solid #EBDCBE;border-radius:10px;padding:14px 18px;margin:10px 0}
.faq summary{font-weight:600;cursor:pointer;color:var(--maroon)}
.faq p{margin-top:10px}
.related{background:#fff;border-radius:16px;padding:26px 30px;margin-bottom:40px;box-shadow:0 8px 24px -14px rgba(58,42,30,.16)}
.related h2{font-family:'Playfair Display',serif;color:var(--maroon);font-size:19px;margin-bottom:12px}
.related ul{list-style:none}
.related li{padding:7px 0;border-bottom:1px dashed #EBDCBE;font-size:14.5px}
footer.site{background:#2E1418;color:#D8C3A5;padding:34px 0;font-size:13px;margin-top:20px}
footer.site .in{max-width:1100px;margin:0 auto;padding:0 20px;text-align:center}
footer.site a{color:var(--gold)}
.grid-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0 40px}
.card{background:#fff;border-radius:14px;padding:22px 24px;box-shadow:0 8px 22px -12px rgba(58,42,30,.16)}
.card h3{font-size:16px;line-height:1.4;margin-bottom:6px}
.card p{font-size:13.5px;color:var(--ink2);margin:6px 0 10px}
.card .more{font-size:13.5px;font-weight:600}
@media(max-width:700px){article{padding:26px 20px}.grid-list{grid-template-columns:1fr}.hnav{display:none}}