/* Góc Khuất Bản Đồ — đen than + vàng cảnh báo + đỏ nguy hiểm (theo avatar & bìa page) */
:root{
  --nen:#111318; --nen-2:#1a1d24; --nen-3:#242833; --vien:#323746;
  --chu:#f1eee6; --chu-2:#d4d0c6; --vang:#ffd400; --do:#e23a4f; --do-dam:#d7263d; --xanh:#59c3c3;
  --rong:1120px; --bo:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--nen);color:var(--chu);font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--vang);text-underline-offset:3px}
a:hover{color:#fff}
i,em{font-style:normal}
h1,h2,h3{line-height:1.25;margin:0 0 .6em;font-weight:900;letter-spacing:-.01em}
h2{font-size:1.5rem}

/* đầu trang */
.dau{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px max(16px,calc((100% - var(--rong))/2));background:rgba(17,19,24,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--vien)}
.logo{display:flex;align-items:center;gap:10px;color:var(--chu);text-decoration:none;font-weight:900;font-size:1.05rem;letter-spacing:.04em;white-space:nowrap}
.logo img{border-radius:50%;border:2px solid var(--vang)}
.logo b,.chan-logo b{color:var(--vang)}
.dau nav{display:flex;align-items:center;gap:18px;font-size:.95rem;font-weight:700}
.dau nav a{color:var(--chu);text-decoration:none}
.dau nav a:hover{color:var(--vang)}
.dau .nut-fb{background:var(--vang);color:#111;padding:6px 14px;border-radius:999px}
.dau .nut-fb:hover{color:#111;background:#fff}

/* nút */
.hop-nut{display:flex;flex-wrap:wrap;gap:10px;margin:1.2em 0 0}
.nut{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:800;text-decoration:none;font-size:.98rem}
.nut-fb{background:var(--vang);color:#111}
.nut-tt{background:transparent;color:var(--chu);border:2px solid var(--chu)}
.nut:hover{background:#fff;color:#111;border-color:#fff}

/* chip loại */
.chip{display:inline-block;font-size:.72rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;line-height:1.5}
.chip-nh{background:var(--do-dam);color:#fff}
.chip-dl{background:var(--vang);color:#111}
.bai-nhan{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 .5em;font-size:.88rem}
.tinh{color:var(--chu-2);font-weight:600}

/* trang chủ */
.bia{max-width:var(--rong);margin:20px auto 0;padding:0 16px}
.bia img{border-radius:var(--bo);width:100%}
.gioi-thieu-ngan{max-width:820px;margin:0 auto;padding:36px 16px 10px;text-align:center}
.gioi-thieu-ngan h1{font-size:clamp(1.7rem,4.2vw,2.6rem)}
.gioi-thieu-ngan p{color:var(--chu-2)}
.gioi-thieu-ngan .hop-nut{justify-content:center}
.lich,.ds-bai{max-width:var(--rong);margin:0 auto;padding:40px 16px 0}
.lich h2 span{font-size:.9rem;font-weight:600;color:var(--vang);margin-left:8px}
.lich-luoi{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.lich-ngay{background:var(--nen-2);border:1px solid var(--vien);border-radius:var(--bo);padding:12px}
.lich-dau{margin:0 0 8px;font-weight:900;color:var(--vang);font-size:.95rem}
.lich-ngay a{display:flex;flex-direction:column;gap:4px;padding:10px;border-radius:10px;background:var(--nen-3);color:var(--chu);text-decoration:none;margin-top:8px;font-size:.92rem;line-height:1.35}
.lich-ngay a:hover{outline:2px solid var(--vang)}
.lich-ngay a b{font-size:1rem}
.cham{display:inline-block;width:10px;height:10px;border-radius:50%;margin-left:4px;vertical-align:1px}
.cham-nguy-hiem{background:var(--do)}.cham-doc-la{background:var(--vang)}.cham-ca-hai{background:linear-gradient(90deg,var(--do) 50%,var(--vang) 50%)}
.lich-chu{font-size:.85rem;color:var(--chu-2);margin:10px 0 0;display:flex;gap:16px;flex-wrap:wrap}
.ds-dau{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.ds-dau h2{margin:0}
.loc{display:flex;gap:8px}
.loc button{font:inherit;font-size:.9rem;font-weight:800;padding:7px 16px;border-radius:999px;border:2px solid var(--vien);background:transparent;color:var(--chu);cursor:pointer}
.loc button.dang{background:var(--vang);border-color:var(--vang);color:#111}
.luoi{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding-bottom:20px}
.the{display:flex;flex-direction:column;background:var(--nen-2);border:1px solid var(--vien);border-radius:var(--bo);overflow:hidden;color:var(--chu);text-decoration:none;transition:transform .15s,border-color .15s}
.the:hover{transform:translateY(-3px);border-color:var(--vang);color:var(--chu)}
.the[hidden]{display:none}
.the img{aspect-ratio:3/2;object-fit:cover;width:100%}
.the-chu{padding:14px 16px 18px}
.the h3{font-size:1.12rem;margin:.2em 0 .4em}
.the-mo{margin:0;color:var(--chu-2);font-size:.92rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* bài viết */
.bai{padding-bottom:30px}
.bai-dau{position:relative;max-width:var(--rong);margin:20px auto 0;padding:0 16px}
.bai-hero{width:100%;max-height:620px;object-fit:cover;border-radius:var(--bo)}
.bai-dau-chu{max-width:780px;margin:-90px auto 0;position:relative;background:var(--nen);border:1px solid var(--vien);border-top:4px solid var(--vang);border-radius:var(--bo);padding:22px 24px}
.bai-dau h1{font-size:clamp(1.45rem,3.6vw,2.15rem);letter-spacing:.005em}
.bai-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;font-size:.85rem;color:var(--chu-2);font-weight:600}
.diem b{letter-spacing:2px;color:var(--do);margin-left:4px}
.diem b i{color:var(--vien)}
.nguon-hero{max-width:780px;margin:8px auto 0;padding:0 16px;font-size:.78rem;color:var(--chu-2)}
.bai-than{max-width:780px;margin:0 auto;padding:10px 16px 0}
.bai-than p{margin:0 0 1.1em}
.mo-bai{font-size:1.2rem;font-weight:600;line-height:1.6;color:#fff;border-left:4px solid var(--do-dam);padding-left:16px;margin-top:1.4em!important}
figure{margin:1.6em 0}
figure img{border-radius:10px;width:100%}
figcaption{font-size:.9rem;line-height:1.5;color:var(--chu-2);padding:8px 2px 0;font-weight:600}
figcaption .ghi{color:var(--vang);font-weight:700}
.nguon-anh{display:block;font-size:.76rem;font-weight:500;margin-top:3px}
.nguon-anh a{color:var(--chu-2)}
.hop-reel{display:grid;grid-template-columns:170px 1fr;gap:20px;align-items:center;background:var(--nen-2);border:2px solid var(--vang);border-radius:var(--bo);padding:18px;margin:2em 0}
.hop-reel img{border-radius:10px;aspect-ratio:9/16;object-fit:cover}
.hop-reel p{margin:0 0 .6em;font-size:.95rem;color:var(--chu-2)}
.hop-nhan{font-weight:900;color:var(--vang)!important;letter-spacing:.08em;font-size:.8rem!important}
.hop-cau{font-size:1.25rem!important;font-weight:900;color:#fff!important;line-height:1.35}
.dai-anh{margin:2em 0}
.luoi-anh{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.luoi-anh figure{margin:0}
.luoi-anh img{aspect-ratio:4/3;object-fit:cover}
.tham-khao{border-top:1px solid var(--vien);margin-top:2em;padding-top:1.4em}
.tham-khao h2{font-size:1.2rem}
.tham-khao ol{padding-left:1.3em;font-size:.92rem;line-height:1.55}
.tham-khao li{margin-bottom:.5em}
.mien-tru{font-size:.88rem;color:var(--chu-2)}
.the-bai{display:flex;flex-wrap:wrap;gap:8px;font-size:.82rem}
.the-bai span{background:var(--nen-3);padding:3px 10px;border-radius:999px;color:var(--chu-2)}
.bai-dieu-huong{max-width:780px;margin:24px auto 0;padding:0 16px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bai-ke{display:block;background:var(--nen-2);border:1px solid var(--vien);border-radius:var(--bo);padding:14px 16px;text-decoration:none;color:var(--chu)}
.bai-ke:last-child{text-align:right}
.bai-ke span{display:block;font-size:.8rem;color:var(--vang);font-weight:800}
.bai-ke b{font-size:.95rem;line-height:1.4}
.bai-ke:hover{border-color:var(--vang);color:var(--chu)}

/* trang tĩnh */
.trang-tinh .bai-than{padding-top:36px}
.trang-tinh h1{font-size:clamp(1.6rem,4vw,2.3rem)}
.luat li{margin-bottom:.8em}
.bang-cuon{overflow-x:auto}
.bang-anh{width:100%;border-collapse:collapse;font-size:.86rem}
.bang-anh th,.bang-anh td{border-bottom:1px solid var(--vien);padding:7px 8px;text-align:left;vertical-align:top}
.bang-anh th{color:var(--vang)}

/* chân trang */
.chan{margin-top:50px;background:#0b0c10;border-top:3px solid var(--vang)}
.chan-trong{max-width:var(--rong);margin:0 auto;padding:30px 16px 10px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;font-size:.92rem;color:var(--chu-2)}
.chan-trong p{margin:0 0 .5em}
.chan-logo{font-weight:900;font-size:1.15rem;color:var(--chu);letter-spacing:.04em}
.chan-nhan{font-weight:800;color:var(--chu)}
.chan-cuoi{max-width:var(--rong);margin:0 auto;padding:12px 16px 26px;font-size:.8rem;color:var(--chu-2);border-top:1px solid var(--vien)}

@media (max-width:860px){
  .lich-luoi{grid-template-columns:1fr 1fr}
  .dau nav a:not(.nut-fb){display:none}
}
@media (max-width:560px){
  .lich h2 span{display:block;margin:4px 0 0}
  body{font-size:17px}
  .lich-luoi{grid-template-columns:1fr}
  .bai-dau-chu{margin-top:-40px;padding:16px}
  .hop-reel{grid-template-columns:110px 1fr;padding:14px;gap:14px}
  .luoi-anh{grid-template-columns:1fr}
  .bai-dieu-huong{grid-template-columns:1fr}
  .bai-ke:last-child{text-align:left}
  .chan-trong{grid-template-columns:1fr}
  .logo span{font-size:.92rem}
}