/* LGCT - trang tai lieu (Dieu khoan dich vu, Ve chung toi).
   Cung tong voi trang chu ban gon: nen dem, vien vang, font Be Vietnam Pro.
   Khac trang chu o cho: trang nay CUON DUOC vi noi dung dai. */
:root{
  --page:#0b0f1e; --ink:#e9e4d6; --dim:#bdb7a6;
  --gold:#e6c36b; --gold2:#b8902f;
  --glass:rgba(16,22,44,.66); --line:rgba(230,195,107,.30);
  --card:rgba(255,255,255,.045); --card-line:rgba(255,255,255,.11);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Be Vietnam Pro",system-ui,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--page);font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;min-height:100%;
}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:url(../img/hero-night.jpg) center top/cover no-repeat}
body::after{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,15,30,.82),rgba(11,15,30,.95) 40%,rgba(11,15,30,.985))}
img{display:block;max-width:100%}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;font-weight:800;letter-spacing:-.015em}

/* thanh tren */
.top{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;gap:10px;height:56px;padding:0 14px;
  background:rgba(7,10,20,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(230,195,107,.22);
}
.brand{display:flex;align-items:center;gap:9px;min-width:0;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px;border-radius:9px;box-shadow:0 0 0 1px var(--gold)}
.brand span{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand b{font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand small{font-size:10.5px;color:var(--dim)}
.top-home{
  margin-left:auto;display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:7px 13px;border-radius:999px;font-weight:700;font-size:13px;
  background:linear-gradient(#f0cf7a,#bf912f);color:#1a1206;
}
.top-home:hover{text-decoration:none}

/* than trang */
.wrap{max-width:860px;margin:0 auto;padding:22px 16px 40px}
.doc{
  background:var(--glass);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  box-shadow:0 18px 44px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.06);
}
.doc h1{font-size:25px;color:var(--gold)}
.doc h1::after{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--gold),transparent);margin-top:10px}
.eff{font-size:12.5px;color:var(--dim);margin-top:10px}
.lead{margin-top:14px;font-size:14.5px;color:#dcd6c6}

.doc h2{font-size:17px;color:var(--gold);margin:24px 0 8px;display:flex;gap:10px;align-items:baseline}
.doc h2 .n{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:26px;padding:0 6px;border-radius:8px;font-size:13px;
  background:linear-gradient(#f0cf7a,#bf912f);color:#1a1206;
}
.doc h3{font-size:14.5px;margin:14px 0 6px;color:#f2ead5}
.doc p{margin:8px 0;font-size:14px;color:#dcd6c6}
.doc ul{margin:8px 0 8px 2px;padding-left:18px}
.doc li{margin:6px 0;font-size:14px;color:#dcd6c6}
.doc li::marker{color:var(--gold2)}
.doc b,.doc strong{color:#f7efdb}

.note{
  margin:16px 0;padding:12px 14px;border-radius:12px;
  background:rgba(230,195,107,.09);border:1px solid var(--line);
  font-size:13.5px;color:#f2ead5;
}
.note b{display:block;margin-bottom:3px}

.kv{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.kv div{padding:11px 13px;border-radius:11px;background:var(--card);border:1px solid var(--card-line)}
.kv small{display:block;font-size:11.5px;color:var(--dim);margin-bottom:3px}
.kv b{font-size:13.5px;color:#f7efdb}

.chan{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.chan a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 15px;border-radius:11px;font-weight:700;font-size:13.5px;
  background:var(--card);border:1px solid var(--card-line);color:var(--ink);
}
.chan a:hover{text-decoration:none;border-color:var(--line)}
.chan a.pri{background:linear-gradient(#f0cf7a,#bf912f);color:#1a1206;border-color:transparent}

.foot{max-width:860px;margin:0 auto;padding:0 16px 34px;text-align:center;font-size:12.5px;color:var(--dim);line-height:1.75}
.foot b{color:#e9e4d6}
.foot .links{margin-bottom:8px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

@media (min-width:760px){
  .wrap{padding:30px 20px 44px}
  .doc{padding:30px 32px}
  .doc h1{font-size:29px}
  .doc h2{font-size:18.5px;margin-top:28px}
}
@media (max-width:480px){
  .kv{grid-template-columns:1fr}
}