:root{--nen:#F6F2EA;--muc:#1E1E1E;--xam:#6B6B6B;--do:#D10201;--xanh:#2F6F5E;--vang:#C9A227;--the:#FFFDF9;--vien:#E4DED3;--mau:#2F6F5E}
*{box-sizing:border-box}
body{margin:0;background:var(--nen);color:var(--muc);font:17px/1.65 -apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--xanh)}
.dau{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;padding:16px;border-bottom:4px solid var(--do);background:var(--the)}
.logo{font-weight:800;font-size:22px;color:var(--muc);text-decoration:none}
.dau nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.dau nav a{text-decoration:none;color:var(--xam);font-weight:600;text-transform:uppercase;font-size:13px;letter-spacing:.04em}
.than{max-width:1080px;margin:0 auto;padding:16px}
.mo h1{font-size:clamp(24px,4vw,38px);line-height:1.2;margin:16px 0 8px}
.nho{color:var(--xam);font-size:14px}
.luoi{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin:24px 0}
.the{display:block;background:var(--the);border:1px solid var(--vien);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s}
.the:hover{transform:translateY(-2px)}
.the img{width:100%;height:auto;display:block;border-bottom:1px solid var(--vien)}
.the-chu{padding:14px 16px 18px}
.the h3{margin:8px 0 4px;font-size:19px;line-height:1.3}
.meta{color:var(--xam);font-size:14px;margin:0 0 8px}
.nhan{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.05em;color:#fff;background:var(--mau);padding:3px 10px;border-radius:999px}
.giai-thich{background:var(--the);border:1px solid var(--vien);border-radius:14px;padding:16px 20px;margin:24px 0}
.bai{max-width:760px;margin:0 auto}
.bai h1{font-size:clamp(24px,3.6vw,34px);line-height:1.25;margin:8px 0}
.duong-dan{font-size:14px;color:var(--xam)}
.the-anh{width:100%;height:auto;border-radius:12px;border:1px solid var(--vien);margin:12px 0 20px}
.noi-dung h2{margin-top:32px;padding-top:8px;border-top:2px solid var(--vien);font-size:22px}
.noi-dung table{border-collapse:collapse;width:100%;margin:12px 0;font-size:15px;background:var(--the)}
.noi-dung th,.noi-dung td{border:1px solid var(--vien);padding:8px 10px;vertical-align:top;text-align:left}
.noi-dung td:first-child{font-weight:600;white-space:nowrap}
.noi-dung ul,.noi-dung ol{padding-left:22px}
.noi-dung li{margin:4px 0}
.noi-dung a{word-break:break-all}
.gop{margin:36px 0;padding:16px 20px;border-left:6px solid var(--vang);background:var(--the);border-radius:0 12px 12px 0}
.gop h2{margin-top:0;font-size:20px}
.chan{margin-top:48px;padding:24px 16px;border-top:1px solid var(--vien);color:var(--xam);font-size:14px;text-align:center}
@media (max-width:600px){body{font-size:16px}.the-chu{padding:12px}.noi-dung td:first-child{white-space:normal}}

.video-nguon{margin:8px 0 24px}
.video-nguon h2{font-size:20px;margin:0 0 4px}
.video-nguon figure{margin:16px 0}
.video-nguon iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:12px;background:#000}
.video-nguon figcaption{font-size:14px;color:var(--xam);margin-top:6px}
.tiktok-embed{margin:0 auto;max-width:325px}

.khung-trich{margin:8px 0 24px}
.khung-trich h2{font-size:20px;margin:0 0 4px}
.khung-luoi{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.khung-luoi figure{margin:0}
.khung-luoi img{width:100%;height:auto;border-radius:10px;border:1px solid var(--vien);display:block}
.khung-luoi figcaption{font-size:13px;color:var(--xam);margin-top:4px}

.dau nav .nhom-link{color:var(--do)}
.dau nav .ngan{width:1px;height:16px;background:var(--vien);display:inline-block}

/* ---- đợt mở rộng 19/10/2026 ---- */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.an-website{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.bb{color:var(--do);font-weight:700}

/* ảnh thật */
.the img{aspect-ratio:16/9;object-fit:cover;object-position:center 40%;background:var(--vien)}
.anh-dai-dien{margin:12px 0 20px}
.anh-dai-dien img{display:block;width:100%;max-height:480px;object-fit:cover;object-position:center 40%;border-radius:12px;border:1px solid var(--vien);background:var(--vien)}
.anh-dai-dien figcaption{font-size:13px;color:var(--xam);margin-top:6px}
.the-anh{max-width:420px;display:block}

/* bản đồ */
.ban-do{margin:16px 0 24px;padding:14px 16px;background:var(--the);border:1px solid var(--vien);border-radius:12px}
.ban-do h3{margin:0 0 8px;font-size:18px}
.ban-do iframe{display:block;width:100%;height:320px;border:0;border-radius:10px;background:var(--vien)}
.ban-do .meta{margin:8px 0 0}
.noi-dung .ban-do a{word-break:normal}

/* miễn trừ */
.mien-tru{margin:28px 0;padding:14px 18px;border:1px dashed var(--xam);border-radius:12px;background:var(--the);font-size:14px;color:#444}
.mien-tru h2{margin:0 0 6px;font-size:16px}
.mien-tru p{margin:6px 0}

/* form dùng chung */
.form-doc{display:block;margin:12px 0}
.form-doc fieldset{border:1px solid var(--vien);border-radius:12px;padding:8px 16px 16px;margin:0 0 18px;background:var(--the)}
.form-doc legend{font-weight:800;font-size:15px;padding:0 6px}
.form-doc label{display:block;margin:14px 0 4px;font-weight:600;font-size:15px}
.form-doc input[type=text],.form-doc input[type=email],.form-doc select,.form-doc textarea,.form-hang input,.form-hang select{
  width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid #CFC8BA;border-radius:10px;background:#fff;color:var(--muc)}
.form-doc textarea{resize:vertical}
.form-doc input[hidden]{display:none}
.form-doc input#g-tinh-khac{margin-top:8px}
.form-doc .hop-tick{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.form-doc .hop-tick input{width:20px;height:20px;margin-top:3px;flex:none}
.form-doc input:focus,.form-doc select:focus,.form-doc textarea:focus,.form-hang input:focus,.form-hang select:focus{outline:2px solid var(--xanh);outline-offset:1px}
button[type=submit]{font:inherit;font-weight:800;font-size:16px;color:#fff;background:var(--do);border:0;border-radius:10px;padding:11px 24px;cursor:pointer}
button[type=submit]:hover{filter:brightness(1.08)}
button[type=submit]:disabled{opacity:.6;cursor:wait}
.ket-qua{margin:10px 0 0;font-size:15px;font-weight:600}
.ket-qua:empty{display:none}
.ket-qua.tot{color:var(--xanh)}
.ket-qua.loi{color:var(--do)}
.gop-form h2{margin-top:28px;padding-top:8px;border-top:2px solid var(--vien);font-size:22px}

/* bình luận */
.binh-luan{margin:36px 0}
.binh-luan>h2{font-size:22px;border-top:2px solid var(--vien);padding-top:12px}
.bl-ds{list-style:none;padding:0;margin:0 0 20px}
.bl-muc{background:var(--the);border:1px solid var(--vien);border-radius:12px;padding:10px 14px;margin:10px 0}
.bl-muc p{margin:2px 0}
.bl-nd{word-break:break-word}
.binh-luan h3{font-size:18px;margin:20px 0 0}

/* ô nhận tin ở chân trang */
.nhan-tin{max-width:620px;margin:0 auto 28px;padding:18px 16px;background:var(--the);border:1px solid var(--vien);border-radius:14px;color:var(--muc);text-align:left}
.nhan-tin h2{margin:0 0 4px;font-size:19px}
.nhan-tin p{margin:4px 0 10px;font-size:14px;color:var(--xam)}
.nhan-tin .ket-qua{margin-top:8px}
.form-hang{display:flex;flex-wrap:wrap;gap:8px}
.form-hang input[type=email]{flex:2 1 220px;width:auto}
.form-hang select{flex:1 1 140px;width:auto}
.form-hang button{flex:0 0 auto}

@media (max-width:600px){
  .ban-do iframe{height:260px}
  .the-anh{max-width:100%}
  .form-hang button{width:100%}
  .nhan-tin{margin-left:0;margin-right:0}
}
.noi-dung,.bl-nd{overflow-wrap:anywhere}