:root{--navy:#1f3b63;--navy2:#2c5282;--nen:#f6f8fb;--the:#fff;--chu:#1c2430;--phu:#5b6675;--vien:#dfe5ee;--tang:#13804a;--giam:#c93c3c;--vang:#b07d00;--nhan:#ffd166;--r:10px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--nen);color:var(--chu);font:16px/1.65 -apple-system,"Segoe UI",Roboto,Arial,"Helvetica Neue",sans-serif}
a{color:var(--navy2)}
a:hover{color:var(--navy)}
img{max-width:100%;height:auto;display:block}
.khung{max-width:1080px;margin:0 auto;padding:0 16px}
.bo-qua{position:absolute;left:-999px}.bo-qua:focus{left:16px;top:8px;background:#fff;padding:6px 10px;z-index:9}

/* dau trang */
.dau{background:var(--navy);color:#fff;position:sticky;top:0;z-index:5}
.dau .khung{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;display:flex;align-items:center;gap:10px;letter-spacing:.2px}
.logo .o{width:22px;height:22px;border-radius:5px;background:conic-gradient(var(--nhan) 0 25%,#fff 0 50%,#d64545 0 75%,#1b8a4b 0)}
.dau nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
.dau nav a{color:#dbe5f3;text-decoration:none;padding:8px 10px;border-radius:6px;font-size:.95rem;display:block}
.dau nav a:hover{background:rgba(255,255,255,.12);color:#fff}

main{padding:20px 16px 40px}
h1{font-size:clamp(1.55rem,4vw,2.2rem);line-height:1.25;margin:.3em 0 .4em;color:var(--navy)}
h2{font-size:clamp(1.25rem,3vw,1.55rem);color:var(--navy);margin:1.8em 0 .6em;padding-bottom:.3em;border-bottom:2px solid var(--navy)}
h3{font-size:1.12rem;color:var(--navy);margin:1.4em 0 .5em}
p,li{max-width:78ch}
.meta,.nho{color:var(--phu);font-size:.92rem}
.mien-tru{color:var(--phu);font-size:.85rem;font-style:italic}

/* vun banh mi */
.vun ol{list-style:none;padding:0;margin:0 0 8px;display:flex;flex-wrap:wrap;gap:6px;font-size:.88rem;color:var(--phu)}
.vun li+li:before{content:"›";margin-right:6px}
.vun a{color:var(--phu)}

/* trang co phieu */
.tieu-de-cp .san{margin:0;color:var(--phu);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}
.luan-diem{font-size:1.15rem;font-weight:600;color:var(--vang);margin:0 0 .3em}
.the-luoi{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:16px 0}
.the{background:var(--the);border:1px solid var(--vien);border-radius:var(--r);padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.the .nhan{font-size:.78rem;color:var(--phu);text-transform:uppercase;letter-spacing:.4px}
.the .so{font-size:1.35rem;font-weight:800;color:var(--navy)}
.the .phu{font-size:.82rem;color:var(--phu)}
.hop{background:var(--the);border:1px solid var(--vien);border-left:4px solid var(--navy);border-radius:var(--r);padding:6px 18px;margin:16px 0}
.hop h2,.hop h3{border:0;margin:.6em 0 .2em;padding:0}
.hop.do{border-left-color:var(--giam)}.hop.do h3{color:var(--giam)}
.hop.vang{border-left-color:var(--vang)}.hop.vang h3{color:var(--vang)}
.hai-cot{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hai-cot .hop{margin:0}
.muc-luc{background:#eef2f8;border-radius:var(--r);padding:10px 18px;margin:16px 0;font-size:.95rem}
.muc-luc ol{margin:.3em 0;padding-left:1.3em;columns:2}
ul{padding-left:1.2em}
li{margin:.25em 0}

/* bang */
.bang-cuon{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0;border:1px solid var(--vien);border-radius:var(--r);background:var(--the)}
table{border-collapse:collapse;width:100%;font-size:.9rem;font-variant-numeric:tabular-nums}
th{background:var(--navy);color:#fff;font-weight:600;text-align:left;padding:8px 10px;white-space:nowrap}
td{padding:7px 10px;border-top:1px solid var(--vien);vertical-align:top}
tbody tr:nth-child(even){background:#f8fafc}
td:not(:first-child){white-space:nowrap}
table.xh td:nth-child(3),table td:nth-child(2):not(:last-child){white-space:normal}
.tang{color:var(--tang);font-weight:600}.giam{color:var(--giam);font-weight:600}
figure{margin:16px 0;background:#fff;border:1px solid var(--vien);border-radius:var(--r);padding:8px}
figcaption{font-size:.85rem;color:var(--phu);padding:4px}

/* hoi dap */
details{background:var(--the);border:1px solid var(--vien);border-radius:var(--r);padding:4px 14px;margin:8px 0}
summary{cursor:pointer;list-style:none}
summary h3{display:inline;font-size:1rem;margin:0}
summary::before{content:"+ ";color:var(--navy);font-weight:700}
details[open] summary::before{content:"– "}
details p{margin:.4em 0 .7em}

/* trang chu */
.hero{background:linear-gradient(135deg,var(--navy),#2c5282);color:#fff;border-radius:14px;padding:28px 24px;margin-top:8px}
.hero h1{color:#fff;margin-top:0}
.hero p{color:#dbe5f3;font-size:1.05rem}
.nut{display:inline-block;background:var(--nhan);color:#1c2430;font-weight:700;text-decoration:none;padding:10px 16px;border-radius:8px;margin:4px 6px 4px 0}
.nut.phu{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.luoi-bc{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.the-bc{display:flex;flex-direction:column;gap:4px;background:var(--the);border:1px solid var(--vien);border-radius:var(--r);padding:14px 16px;text-decoration:none;color:var(--chu);transition:box-shadow .15s,transform .15s}
.the-bc:hover{box-shadow:0 6px 18px rgba(31,59,99,.12);transform:translateY(-2px)}
.the-bc .ma{font-size:1.5rem;font-weight:800;color:var(--navy)}
.the-bc .ten{font-size:.88rem;color:var(--phu)}
.the-bc .ld{font-weight:600;color:var(--vang)}
.the-bc .phu{font-size:.82rem;color:var(--phu)}
.luoi-pp{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.luoi-pp a{background:var(--the);border:1px solid var(--vien);border-radius:var(--r);padding:14px 16px;text-decoration:none;color:var(--chu);display:flex;flex-direction:column;gap:4px}
.luoi-pp strong{color:var(--navy)}
.luoi-pp span{font-size:.9rem;color:var(--phu)}

/* trang chu kieu blog ca nhan */
.hero2{display:grid;grid-template-columns:1.25fr .9fr;gap:28px;align-items:center;background:linear-gradient(160deg,#e8eef8,#f5efe0);border-radius:18px;padding:28px 28px 30px;margin-top:8px}
.nhan-hero{display:inline-block;background:#fff;border:1px solid var(--vien);border-radius:999px;padding:5px 12px;font-size:.82rem;font-weight:600;color:var(--navy)}
.hero2 h1{font-size:clamp(1.8rem,4.6vw,2.7rem);margin:.45em 0 .35em;color:#14263f}
.hero2 p{color:#3a4656;font-size:1.04rem}
.tra{background:#fff;border:1px solid var(--vien);border-radius:14px;padding:16px;margin-top:14px;box-shadow:0 4px 14px rgba(31,59,99,.06)}
.tra label{font-weight:700;display:block;margin-bottom:8px}
.tra-hang{display:flex;gap:8px}
.tra input{flex:1;min-width:0;font:inherit;padding:10px 12px;border:1px solid #c9d2df;border-radius:8px;text-transform:uppercase}
.tra input:focus{outline:2px solid var(--navy2);border-color:transparent}
.tra button{font:inherit;font-weight:700;background:var(--navy);color:#fff;border:0;border-radius:8px;padding:10px 18px;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{background:#eef2f8;border-radius:999px;padding:6px 14px;font-weight:700;font-size:.88rem;text-decoration:none;color:var(--navy)}
.chip:hover{background:#dde6f3}
.tac-gia{position:relative;background:#fff;border-radius:18px;padding:10px;box-shadow:0 8px 24px rgba(31,59,99,.1)}
.tac-gia img{border-radius:12px;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 15%}
.tg-cuoi img{border-radius:10px;object-fit:cover;object-position:50% 15%}
.chu-tat{aspect-ratio:4/5;border-radius:12px;background:linear-gradient(135deg,var(--navy),#3d6aa8);color:#fff;display:flex;align-items:center;justify-content:center;font-size:4.5rem;font-weight:800;letter-spacing:2px}
.tg-the{position:absolute;left:-18px;bottom:22px;background:#fff;border-radius:12px;padding:12px 16px;box-shadow:0 6px 20px rgba(0,0,0,.12);display:flex;flex-direction:column;gap:2px;max-width:85%}
.tg-the span{font-size:.85rem;color:var(--phu)}
.tg-the a{font-size:.85rem;font-weight:700;text-decoration:none}
.o-dh{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}
.o-dh a{background:#fff;border:1px solid var(--vien);border-radius:14px;padding:16px 10px;text-align:center;text-decoration:none;color:var(--chu);font-weight:600;display:flex;flex-direction:column;align-items:center;gap:8px}
.o-dh a:hover{border-color:var(--navy2)}
.o-dh .ic{width:40px;height:40px;border-radius:10px;background:#eef2f8;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.o-dh a:last-child{background:var(--navy);color:#fff;border-color:var(--navy)}
.o-dh a:last-child .ic{background:rgba(255,255,255,.15)}
.hop.gt h2{border:0;font-size:1.1rem;margin:.6em 0 .2em}
.nut.rong{display:block;text-align:center;background:var(--navy);color:#fff;margin:6px 0 14px}
.dau-muc{display:flex;justify-content:space-between;align-items:baseline;gap:10px;border-bottom:2px solid var(--navy);margin:1.8em 0 .8em}
.dau-muc h2{border:0;margin:0;padding-bottom:.3em}
.luoi-bai{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.bai{background:#fff;border:1px solid var(--vien);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--chu);display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}
.bai:hover{box-shadow:0 8px 22px rgba(31,59,99,.12);transform:translateY(-2px)}
.bai img{aspect-ratio:1200/630;object-fit:cover}
.bai .loai{font-size:.75rem;font-weight:700;color:var(--tang);text-transform:uppercase;letter-spacing:.4px;padding:12px 14px 0}
.bai .td{font-weight:700;font-size:1.05rem;padding:4px 14px;color:#14263f}
.bai .phu{font-size:.82rem;color:var(--phu);padding:0 14px 14px}
.nhan-nho{font-size:.8rem;font-weight:700;color:var(--tang);text-transform:uppercase;letter-spacing:.5px;margin:2em 0 0}
h2.khong-gach{border:0;margin-top:.2em}
.luoi-buoc{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.luoi-buoc a{background:#fff;border:1px solid var(--vien);border-radius:14px;padding:14px;text-decoration:none;color:var(--chu);font-weight:600;font-size:.95rem;display:flex;flex-direction:column;gap:6px}
.so-buoc{font-size:.75rem;font-weight:800;color:var(--tang);text-transform:uppercase}
.tg-cuoi{display:flex;gap:18px;align-items:center;border-left-width:1px;padding:16px 18px}
.tg-cuoi img,.tg-cuoi .chu-tat{width:110px;flex:none;font-size:2rem;aspect-ratio:4/5}
.tg-cuoi p{margin:.3em 0}
.nut.phu2{background:#eef2f8;color:var(--navy)}
.neo{display:block;position:relative;top:-80px;visibility:hidden}
:target+a,:target+strong{background:var(--nhan);padding:0 4px;border-radius:4px}
.dau nav a.tim{font-size:1rem}
table.xh td:nth-child(3){min-width:150px}
.luoi-tt{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.tt{display:flex;gap:12px;background:#fff;border:1px solid var(--vien);border-radius:14px;padding:14px}
.tt .ic{width:40px;height:40px;flex:none;border-radius:10px;background:#eef2f8;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.tt strong{display:block;color:var(--navy)}
.tt span{font-size:.9rem;color:var(--phu)}
@media (max-width:700px){.dau nav{width:100%;overflow-x:auto}.dau nav ul{flex-wrap:nowrap}.dau nav a{white-space:nowrap}.dau .khung{padding-bottom:6px}}
@media (max-width:860px){.hero2{grid-template-columns:1fr}.tac-gia{max-width:340px}.tg-the{left:10px}.luoi-buoc{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.o-dh{grid-template-columns:repeat(2,1fr)}.hero2{padding:20px 16px}.tg-cuoi{flex-direction:column;align-items:flex-start}}

.chan{background:#13243d;color:#b9c6d8;font-size:.9rem;padding:20px 0;margin-top:30px}
.chan a{color:#fff}
.chan .mien-tru{color:#93a3b8}

@media (max-width:700px){
  .hai-cot{grid-template-columns:1fr}
  .muc-luc ol{columns:1}
  .dau{position:static}
  .dau nav a{padding:6px 8px;font-size:.9rem}
  .hero{padding:22px 18px}
}
@media print{.dau,.chan,.muc-luc{display:none}body{background:#fff}}