/* Chính sách — dùng chung cho các trang bắt buộc theo quy định Bộ Công Thương */
:root{
  --bg:#141210; --panel:#1F1B17; --panel2:#26211C; --panelDark:#0F0D0B;
  --ink:#F2EAE0; --muted:#8A8074; --line:#332C25;
  --hot:#FF5C38; --cold:#4A90D9; --gold:#E8B44C; --win:#5CB85C;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);
  -webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden;}
.wrap{max-width:720px;margin:0 auto;padding:0 18px;}

/* Top bar */
.topbar{border-bottom:1px solid var(--line);padding:16px 0;}
.topbar .wrap{display:flex;align-items:center;gap:12px;justify-content:space-between;}
.brand{font-weight:800;font-size:16px;letter-spacing:-.01em;text-decoration:none;color:var(--ink);}
.brand em{font-style:normal;color:var(--hot);}
.back{font-size:13px;color:var(--muted);text-decoration:none;}
.back:hover{color:var(--ink);}

/* Article */
main{padding:36px 0 20px;}
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);border:1px solid rgba(232,180,76,.35);
  border-radius:99px;padding:5px 12px;margin-bottom:16px;}
h1{font-size:clamp(26px,6vw,36px);line-height:1.12;font-weight:800;letter-spacing:-.02em;margin:0 0 10px;}
h2{font-size:clamp(19px,4.4vw,24px);line-height:1.2;font-weight:800;margin:34px 0 12px;}
h3{font-size:16px;font-weight:700;margin:20px 0 6px;}
p{margin:0 0 14px;color:#D8CFC2;}
ul,ol{margin:0 0 16px;padding-left:22px;color:#D8CFC2;}
li{margin:0 0 8px;}
a{color:var(--hot);}
.updated{color:var(--muted);font-size:13px;margin:0 0 24px;}
.lead{font-size:clamp(16px,3.4vw,18px);color:#E7DED2;}
.note{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:18px 0;}
.note p:last-child{margin-bottom:0;}
strong,b{color:var(--ink);}

/* Steps */
.steps{counter-reset:step;margin:18px 0;padding:0;list-style:none;}
.steps li{position:relative;padding:14px 16px 14px 54px;background:var(--panel);
  border:1px solid var(--line);border-radius:14px;margin-bottom:10px;color:#D8CFC2;}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:14px;
  width:28px;height:28px;border-radius:8px;background:var(--hot);color:#1A0C07;
  font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;}
.steps li b{display:block;color:var(--ink);margin-bottom:2px;}

/* Business info block (bắt buộc: MST, SĐT, địa chỉ...) */
.bizinfo{background:var(--panelDark);border:1px solid var(--line);border-radius:16px;
  padding:20px;margin:28px 0;font-size:14px;}
.bizinfo h3{margin:0 0 12px;color:var(--gold);font-size:14px;letter-spacing:.04em;text-transform:uppercase;}
.bizinfo dl{margin:0;display:grid;grid-template-columns:150px 1fr;gap:8px 14px;}
.bizinfo dt{color:var(--muted);}
.bizinfo dd{margin:0;color:var(--ink);}
@media(max-width:520px){.bizinfo dl{grid-template-columns:1fr;gap:2px 0;}
  .bizinfo dd{margin-bottom:10px;}}

/* Footer */
footer{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:13px;margin-top:20px;}
footer a{color:var(--hot);text-decoration:none;}
footer .links{display:flex;flex-wrap:wrap;gap:10px 16px;margin-bottom:14px;}
footer .links a{color:#D8CFC2;}
footer .links a:hover{color:var(--hot);}