/* SATTHEP.COM.VN — giao diện. Điện thoại trước. Một màu nhấn (cam thép nóng) chỉ cho nút chính. */
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@font-face{font-family:"Barlow Semi Condensed";font-weight:500;font-display:swap;src:url(f/barlow-semi-condensed-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Barlow Semi Condensed";font-weight:500;font-display:swap;src:url(f/barlow-semi-condensed-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Barlow Semi Condensed";font-weight:700;font-display:swap;src:url(f/barlow-semi-condensed-vietnamese-700-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Barlow Semi Condensed";font-weight:700;font-display:swap;src:url(f/barlow-semi-condensed-latin-ext-700-normal.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Barlow Semi Condensed";font-weight:700;font-display:swap;src:url(f/barlow-semi-condensed-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(f/be-vietnam-pro-vietnamese-400-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(f/be-vietnam-pro-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(f/be-vietnam-pro-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(f/be-vietnam-pro-vietnamese-600-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(f/be-vietnam-pro-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(f/be-vietnam-pro-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:800;font-display:swap;src:url(f/be-vietnam-pro-vietnamese-800-normal.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:800;font-display:swap;src:url(f/be-vietnam-pro-latin-ext-800-normal.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Be Vietnam Pro";font-weight:800;font-display:swap;src:url(f/be-vietnam-pro-latin-800-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --nen:#F2F3F0;--giay:#fff;--chu:#151B23;--chu2:#4B5563;--chu3:#7A8492;--vien:#DFE2DC;--vien2:#ECEEE9;
  --thep:#18212C;--thep2:#25313F;--thep3:#344355;--bac:#C9CFD6;
  --cam:#E8590C;--cam2:#C2410C;--cam-nhat:#FFF1E8;
  --len:#15803D;--xuong:#C62828;
  --tt:"Barlow Semi Condensed","Be Vietnam Pro",system-ui,sans-serif;--than:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bo:14px;--bo2:10px;--bong:0 1px 2px rgba(21,27,35,.06),0 6px 22px rgba(21,27,35,.06);
  --rong:1200px;--le:16px;--day:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:120px}
body{margin:0;background:var(--nen);color:var(--chu);font:400 16px/1.6 var(--than);padding-bottom:calc(var(--day) + env(safe-area-inset-bottom));overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--tt);font-weight:700;letter-spacing:-.01em;line-height:1.12;margin:0 0 .4em}
h1{font-size:clamp(2rem,7vw,3.4rem)}h2{font-size:clamp(1.4rem,4.2vw,1.9rem)}h3{font-size:1.1rem}
p{margin:0 0 1em}
.ic{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.bo-qua{position:absolute;left:-999px;top:8px;background:#000;color:#fff;padding:8px 12px;border-radius:8px;z-index:200}.bo-qua:focus{left:8px}
.nho{font-size:.86rem;color:var(--chu3)}
.mo{color:var(--chu3)}
:focus-visible{outline:3px solid var(--cam);outline-offset:2px}
main{max-width:var(--rong);margin:0 auto;padding:0 var(--le)}

/* thông báo + đầu trang */
.tb{background:var(--thep);color:#D7DCE2;font-size:.8rem;text-align:center;padding:6px 12px;line-height:1.35}
.dau{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--vien)}
.dau-in{max-width:var(--rong);margin:0 auto;display:flex;align-items:center;gap:8px;padding:8px var(--le)}
.dau-nut{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:0 11px;border:1px solid var(--vien);border-radius:999px;background:var(--giay);text-decoration:none;font-weight:600;font-size:.88rem;cursor:pointer;white-space:nowrap}
.dau-menu{padding:0;width:42px;justify-content:center}
.dau-nut[aria-current]{border-color:var(--thep);background:var(--thep);color:#fff}
.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;margin-right:auto;min-width:0}
.logo-ic{width:32px;height:32px;flex:none}
.logo-chu{font-family:var(--tt);font-weight:700;font-size:1.32rem;letter-spacing:-.02em;white-space:nowrap}
.logo-chu em{font-style:normal;color:var(--chu3);font-weight:500;font-size:.82em}
.dau-tim{display:none;position:relative;flex:1;max-width:420px}
.dau-tim .ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--chu3);width:18px;height:18px}
.dau-tim input{width:100%;min-height:42px;border:1px solid var(--vien);border-radius:999px;padding:0 14px 0 38px;background:var(--nen)}
.dau-ng{display:inline-flex;align-items:center;min-height:42px;border:1px solid var(--vien);border-radius:999px;padding:0 4px;text-decoration:none;font:700 .78rem/1 var(--than)}
.dau-ng b,.dau-ng span{padding:6px 7px;border-radius:999px}.dau-ng b{background:var(--thep);color:#fff}.dau-ng span{color:var(--chu3)}
.dau-doc span,.dau-app span{display:inline}
@media (max-width:420px){.dau-in{gap:6px;padding:8px 12px}.dau-app span{display:none}.dau-app{padding:0;width:40px;justify-content:center}.logo-chu em{display:none}.logo-chu{font-size:1.16rem}.logo-ic{width:28px;height:28px}.logo{gap:6px}.dau-nut{min-height:40px;padding:0 9px;font-size:.84rem}.dau-menu{width:40px;padding:0}.dau-ng{min-height:40px}.dau-ng b,.dau-ng span{padding:5px 6px}.dau-doc .ic{width:18px;height:18px}}
@media (max-width:350px){.dau-doc span{display:none}.dau-doc{padding:0;width:42px;justify-content:center}}
.chip-nav{max-width:var(--rong);margin:0 auto;display:flex;gap:6px;overflow-x:auto;padding:0 var(--le) 9px;scrollbar-width:none}
.chip-nav::-webkit-scrollbar{display:none}
.chip-nav a{flex:none;font:600 .86rem/1 var(--than);text-decoration:none;padding:9px 13px;border-radius:999px;background:var(--nen);border:1px solid var(--vien2);color:var(--chu2)}
.chip-nav a[aria-current]{background:var(--thep);border-color:var(--thep);color:#fff}
@media (min-width:860px){.dau-tim{display:block}.logo{margin-right:12px}.dau-in{gap:10px}}

/* nút */
.nut-chinh{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 22px;border:0;border-radius:12px;background:var(--cam);color:#fff;font:700 1.02rem/1.1 var(--than);text-decoration:none;cursor:pointer;box-shadow:0 6px 18px rgba(232,89,12,.28);transition:background .18s,transform .18s}
.nut-chinh:hover{background:var(--cam2)}.nut-chinh:active{transform:translateY(1px)}
.nut-vien{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 18px;border:1.5px solid var(--thep);border-radius:12px;background:transparent;font-weight:700;text-decoration:none;cursor:pointer}
.nut-chu{font-weight:700;text-decoration:none;color:var(--thep);border-bottom:2px solid var(--bac);padding:4px 0}
.nut-chu:hover{border-color:var(--cam)}
.hang-nut{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:18px 0}
.mat{font:600 .8rem/1.3 var(--than);letter-spacing:.06em;text-transform:uppercase;color:var(--cam2);margin:0 0 10px}

/* hero */
.hero{display:grid;gap:22px;padding:26px 0 8px}
.hero h1 em{font-style:normal;color:var(--thep3);display:block}
.hero-phu{font-size:1.04rem;color:var(--chu2);max-width:36em}
.hero-nut{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin:6px 0 18px}
.tin{list-style:none;display:flex;gap:8px 22px;flex-wrap:wrap;margin:0;padding:0}
.tin li{display:flex;flex-direction:column}.tin b{font:700 1.5rem/1 var(--tt);font-variant-numeric:tabular-nums}.tin span{font-size:.8rem;color:var(--chu3)}
.hero-bang{display:grid;gap:12px}
@media (min-width:960px){.hero{grid-template-columns:1.05fr .95fr;align-items:center;gap:46px;padding:46px 0 20px}}

/* bảng điện giá thép */
.bd{position:relative;background:var(--thep);color:#E8ECF0;border-radius:var(--bo);padding:6px 16px 10px;box-shadow:0 18px 40px rgba(24,33,44,.25);overflow:hidden;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.025) 0 2px,transparent 2px 7px),linear-gradient(180deg,#1E2935,#151D27)}
.bd::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--cam),#F59E0B 60%,transparent)}
.bd-dau,.bd-dong{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:8px;align-items:center}
.bd-dau{font:600 .72rem/1 var(--than);letter-spacing:.08em;text-transform:uppercase;color:#8C99A8;padding:12px 0 8px;border-bottom:1px solid rgba(255,255,255,.08)}
.bd-dau span:not(:first-child),.bd-so{text-align:right}
.bd-dong{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.bd-dong b{display:block;font:700 1.05rem/1.15 var(--tt);color:#fff}.bd-dong small{color:#8C99A8;font-size:.74rem}
.bd-so{font:700 1.32rem/1 var(--tt);font-variant-numeric:tabular-nums;color:#FFD9C2;letter-spacing:.01em}
.bd-chan{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;padding-top:9px;font-size:.74rem;color:#8C99A8}
.bd-chan .xuong{color:#FF8A80}.bd-chan .len{color:#7EE2A8}

/* tính nhanh */
.tn{background:var(--giay);border:1px solid var(--vien);border-radius:var(--bo);padding:14px 16px;box-shadow:var(--bong)}
.tn-tt{font:700 1.02rem/1.2 var(--tt);margin:0 0 10px}
.tn-o{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:8px}
.tn label,.mt label{display:flex;flex-direction:column;gap:4px;font-size:.76rem;font-weight:600;color:var(--chu2)}
.tn input,.tn select,.mt input,.mt select,.qt input,.qt select,.qt textarea{min-height:46px;border:1px solid var(--vien);border-radius:10px;padding:0 10px;background:var(--nen);font-size:1rem;font-weight:600;width:100%;min-width:0}
.tn-kq{display:block;margin-top:10px;font:700 1.18rem/1.35 var(--tt);font-variant-numeric:tabular-nums;color:var(--thep)}
.tn-kq small{display:block;font:400 .8rem/1.4 var(--than);color:var(--chu3)}
.tn-them{display:inline-block;margin-top:6px;font-size:.86rem;font-weight:600;color:var(--cam2);text-decoration:none}

/* khối */
.khoi{margin:44px 0}
.khoi-dau{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:16px}
.khoi-dau p{color:var(--chu2);margin:0;font-size:.95rem}
.xem{flex:none;font-weight:700;font-size:.9rem;text-decoration:none;color:var(--thep);white-space:nowrap}
@media (min-width:960px){.khoi{margin:64px 0}}

/* thẻ công cụ */
.cc-luoi{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.cc{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:var(--bo);background:var(--giay);border:1px solid var(--vien);text-decoration:none;transition:border-color .18s,transform .18s}
.cc .ic{width:28px;height:28px;color:var(--cam2)}.cc b{font:700 1.08rem/1.15 var(--tt)}.cc span{font-size:.82rem;color:var(--chu3);line-height:1.4}
.cc:hover{border-color:var(--thep3);transform:translateY(-2px)}
@media (min-width:860px){.cc-luoi{grid-template-columns:repeat(4,1fr);gap:14px}}

/* danh mục */
.dm-luoi{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dm-o{display:flex;flex-direction:column;gap:4px;text-decoration:none;background:var(--giay);border:1px solid var(--vien2);border-radius:var(--bo);padding:8px 8px 11px}
.dm-anh{aspect-ratio:1;border-radius:var(--bo2);overflow:hidden;background:var(--nen);display:grid;place-items:center}
.dm-anh img{width:100%;height:100%;object-fit:cover}
.dm-logo{width:44%;height:auto;opacity:.5}
.dm-o b{font:700 .98rem/1.15 var(--tt);margin-top:4px}.dm-o small{font-size:.76rem;color:var(--chu3);line-height:1.35}
.dm-luoi-lon .dm-o small{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (min-width:700px){.dm-luoi{grid-template-columns:repeat(4,1fr)}}@media (min-width:1000px){.dm-luoi{grid-template-columns:repeat(6,1fr);gap:14px}}

/* thẻ sản phẩm */
.luoi{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (min-width:700px){.luoi{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1000px){.luoi{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}}
.ray{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(158px,46%);gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:thin}
.ray .sp{scroll-snap-align:start}
@media (min-width:700px){.ray{grid-auto-columns:minmax(200px,23%);gap:14px}}
.sp{display:flex;flex-direction:column;background:var(--giay);border:1px solid var(--vien2);border-radius:var(--bo);overflow:hidden;min-width:0}
.sp-anh{position:relative;aspect-ratio:1;background:var(--nen);display:block}
.sp-anh img{width:100%;height:100%;object-fit:cover}
.sp-giam{position:absolute;left:8px;top:8px;background:var(--xuong);color:#fff;font:700 .78rem/1 var(--tt);padding:5px 7px;border-radius:7px}
.sp-diem{position:absolute;right:8px;bottom:8px;background:var(--thep);color:#fff;font:700 .9rem/1 var(--tt);padding:6px 8px;border-radius:8px;font-variant-numeric:tabular-nums}
.sp-diem::before{content:"usdxu ";font:600 .62rem/1 var(--than);color:#9AA6B3;letter-spacing:.04em}
.sp-chu{display:flex;flex-direction:column;gap:3px;padding:10px 10px 12px;flex:1}
.sp-loai{margin:0;font-size:.7rem;font-weight:600;color:var(--chu3);text-transform:uppercase;letter-spacing:.05em}
.sp-ten{margin:0;font:600 .88rem/1.35 var(--than);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.sp-ten a{text-decoration:none}
.sp-gia{margin:2px 0 0;display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}.sp-gia b{font:700 1.15rem/1.1 var(--tt);font-variant-numeric:tabular-nums}.sp-gia s{font-size:.78rem;color:var(--chu3)}
.sp-phu{margin:0;font-size:.76rem;color:var(--chu3)}
.sp-nut{display:flex;gap:6px;margin-top:auto;padding-top:8px}
.mua{flex:1;display:inline-flex;align-items:center;justify-content:center;min-height:40px;border-radius:9px;background:var(--thep);color:#fff;font:700 .84rem/1 var(--than);text-decoration:none;text-align:center;padding:0 8px}
.mua:hover{background:var(--thep3)}
.tym{width:40px;min-height:40px;border:1px solid var(--vien);border-radius:9px;background:var(--giay);display:grid;place-items:center;cursor:pointer;flex:none}
.tym svg{width:20px;height:20px;fill:none;stroke:var(--chu2);stroke-width:2}
.tym[aria-pressed="true"] svg{fill:var(--xuong);stroke:var(--xuong)}
.them-wrap{display:flex;justify-content:center;margin:20px 0}
.the-tim{display:flex;align-items:center;gap:14px;margin:18px 0;padding:16px 18px;border-radius:var(--bo);background:var(--cam-nhat);border:1px dashed #F5B48C;text-decoration:none}
.the-tim-ic{width:44px;height:44px;border-radius:12px;background:var(--giay);display:grid;place-items:center;color:var(--cam2);flex:none}
.the-tim b{display:block;font:700 1.02rem/1.25 var(--tt)}.the-tim small{color:var(--chu2);font-size:.82rem}.the-tim i{margin-left:auto;font-style:normal;font-weight:700;color:var(--cam2);font-size:1.3rem}

/* chip */
.chip-ds{display:flex;flex-wrap:wrap;gap:8px}
.chip-ds a,.chip{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:999px;background:var(--giay);border:1px solid var(--vien);text-decoration:none;font-weight:600;font-size:.88rem}
.chip.on{background:var(--thep);color:#fff;border-color:var(--thep)}
.loc{display:flex;gap:8px;overflow-x:auto;padding:4px 0 12px;align-items:center;scrollbar-width:none}
.loc .chip{flex:none}
.loc-xep{display:flex;align-items:center;gap:6px;flex:none;font-size:.82rem;color:var(--chu2)}
.loc-xep select{min-height:40px;border:1px solid var(--vien);border-radius:999px;padding:0 10px;background:var(--giay);font-weight:600}

/* trang danh sách */
.vet{display:flex;flex-wrap:wrap;gap:6px;font-size:.82rem;color:var(--chu3);padding:16px 0 0}
.vet a{text-decoration:none;color:var(--chu2)}.vet b{font-weight:600;color:var(--chu)}
.ds-dau{padding:14px 0 10px}
.ds-dau h1{font-size:clamp(1.8rem,6vw,2.7rem)}.ds-dau h1 em{font-style:normal;color:var(--cam2)}
.ds-dau p{color:var(--chu2);max-width:44em}
.ds-dem{font-size:.88rem}.ds-dem b{font-family:var(--tt);font-size:1.1rem}
.trong{padding:20px 0}
.muc-nhanh{margin-bottom:8px}

/* bảng */
.bang-cuon{overflow-x:auto;border:1px solid var(--vien);border-radius:var(--bo);background:var(--giay);-webkit-overflow-scrolling:touch}
.bang{width:100%;border-collapse:collapse;font-size:.92rem;min-width:420px}
.bang caption{text-align:left;padding:12px 14px;font:600 .84rem/1.3 var(--than);color:var(--chu2);border-bottom:1px solid var(--vien)}
.bang th,.bang td{padding:11px 14px;border-bottom:1px solid var(--vien2);text-align:left;white-space:nowrap}
.bang thead th{font:600 .74rem/1 var(--than);letter-spacing:.06em;text-transform:uppercase;color:var(--chu3);background:var(--nen)}
.bang tbody th{font-weight:600;position:sticky;left:0;background:var(--giay)}
.bang tbody tr:nth-child(even) th,.bang tbody tr:nth-child(even) td{background:#FAFAF8}
.bang .so{text-align:right;font:700 1.02rem/1 var(--tt);font-variant-numeric:tabular-nums}
.bang thead .so{font:600 .74rem/1 var(--than)}
.bang tbody tr:hover th,.bang tbody tr:hover td{background:var(--cam-nhat)}

/* trang giá */
.gia-tom{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:8px 0 0}
.gia-lon{position:relative;background:var(--thep);color:#fff;border-radius:var(--bo);padding:16px 18px;overflow:hidden}
.gia-lon small{display:block;color:#9AA6B3;font-size:.8rem;font-weight:600}
.gia-lon b{display:block;font:700 2.4rem/1.05 var(--tt);font-variant-numeric:tabular-nums;color:#FFD9C2;margin:4px 0}
.gia-lon span{font-size:.8rem;color:#C5CDD6}
.so-do{position:absolute;right:14px;top:18px;width:90px;height:34px;color:#7EE2A8;opacity:.9}
.qt{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.qt li{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;background:var(--giay);border:1px solid var(--vien2);border-radius:var(--bo2);padding:12px 14px}
.qt b{font:700 1.1rem/1 var(--tt);font-variant-numeric:tabular-nums}.qt small{font:500 .72rem var(--than);color:var(--chu3)}
.qt i{font-style:normal;font-weight:700;font-size:.86rem}.qt .len{color:var(--len)}.qt .xuong{color:var(--xuong)}

/* máy tính */
.mt{background:var(--giay);border:1px solid var(--vien);border-radius:var(--bo);padding:14px;box-shadow:var(--bong);margin:10px 0}
.mt-loai{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid var(--vien2)}
.mt-loai button{flex:none;min-height:42px;padding:0 14px;border-radius:999px;border:1px solid var(--vien);background:var(--nen);font-weight:600;font-size:.88rem;cursor:pointer}
.mt-loai button[aria-selected="true"]{background:var(--thep);border-color:var(--thep);color:#fff}
.mt-o{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mt-o label[hidden]{display:none}
.mt-rong{grid-column:1/-1}
.mt-kq{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px;background:var(--thep);border-radius:var(--bo2);padding:14px;color:#fff;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.025) 0 2px,transparent 2px 7px)}
.mt-so{display:flex;flex-direction:column;min-width:0}.mt-so small{font-size:.72rem;color:#9AA6B3;font-weight:600}
.mt-so b{font:700 clamp(1.3rem,5.4vw,2rem)/1.1 var(--tt);font-variant-numeric:tabular-nums;color:#FFD9C2;overflow-wrap:anywhere}.mt-so i{font-style:normal;font-size:.74rem;color:#C5CDD6}
.mt-ct{margin:10px 2px 0;font-size:.84rem;color:var(--chu2)}
@media (min-width:860px){.mt{padding:20px}.mt-o{grid-template-columns:repeat(4,1fr)}}

/* hỏi đáp, seo */
.hoi details{background:var(--giay);border:1px solid var(--vien2);border-radius:var(--bo2);margin-bottom:8px}
.hoi summary{cursor:pointer;padding:14px 16px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.hoi summary::after{content:"+";font:700 1.3rem/1 var(--tt);color:var(--cam2)}.hoi details[open] summary::after{content:"−"}
.hoi summary::-webkit-details-marker{display:none}
.hoi details>div{padding:0 16px 14px;color:var(--chu2)}
.seo{background:var(--giay);border-radius:var(--bo);padding:20px;border:1px solid var(--vien2)}
.seo-cot{display:grid;gap:4px;color:var(--chu2)}
@media (min-width:860px){.seo-cot{grid-template-columns:repeat(3,1fr);gap:24px}}
.trang-dm .seo-cot,.seo .seo-cot:has(> p:only-child){grid-template-columns:1fr}

/* bài viết */
.bai-luoi{display:grid;gap:10px}
@media (min-width:700px){.bai-luoi{grid-template-columns:repeat(2,1fr)}}@media (min-width:1000px){.bai-luoi{grid-template-columns:repeat(3,1fr);gap:14px}}
.bai-o{display:flex;flex-direction:column;gap:6px;padding:18px;border-radius:var(--bo);background:var(--giay);border:1px solid var(--vien2);text-decoration:none;border-top:3px solid var(--thep3);transition:border-color .18s}
.bai-o:hover{border-top-color:var(--cam)}
.bai-the{font:600 .72rem/1 var(--than);letter-spacing:.06em;text-transform:uppercase;color:var(--cam2)}
.bai-o b{font:700 1.16rem/1.22 var(--tt)}.bai-o span:not(.bai-the){font-size:.88rem;color:var(--chu2)}.bai-o i{font-style:normal;font-weight:700;font-size:.86rem;margin-top:auto;color:var(--thep)}
.bai{max-width:760px;margin:0 auto}
.bai-dau{padding:16px 0 6px}.bai-dau h1{font-size:clamp(1.9rem,6.4vw,2.8rem)}
.bai-sapo{font-size:1.12rem;color:var(--chu2);line-height:1.55}.bai-ngay{font-size:.82rem;color:var(--chu3)}
.bai-than{font-size:1.06rem;line-height:1.7}
.bai-than h2{margin:1.6em 0 .5em}.bai-than h3{margin:1.3em 0 .4em;font-size:1.25rem}
.bai-than ul,.bai-than ol{padding-left:1.3em}.bai-than li{margin-bottom:.35em}
.bai-than blockquote{margin:1.2em 0;padding:14px 18px;border-left:4px solid var(--cam);background:var(--cam-nhat);border-radius:0 var(--bo2) var(--bo2) 0}
.bai-than .bang-cuon,.bai-than .mt,.bai-than .bai-bd{margin:1.2em 0}
.bai-than .bang{font-size:.9rem}
.bai-sp{margin:1.2em 0}
.bai-than a:not([class]){color:var(--cam2);font-weight:600}
.ghi{background:var(--giay);border:1px solid var(--vien);border-radius:var(--bo2);padding:14px 16px;font-size:.96rem}

/* bộ sưu tập */
.bst-luoi{display:grid;gap:10px}
@media (min-width:700px){.bst-luoi{grid-template-columns:repeat(2,1fr)}}@media (min-width:1000px){.bst-luoi{grid-template-columns:repeat(3,1fr)}}
.bst-o{display:flex;flex-direction:column;background:var(--giay);border:1px solid var(--vien2);border-radius:var(--bo);overflow:hidden;text-decoration:none}
.bst-anh{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--nen);aspect-ratio:3/1}.bst-anh img{width:100%;height:100%;object-fit:cover}
.bst-chu{display:flex;align-items:center;gap:10px;padding:12px 14px}.bst-chu i{font-style:normal;font-size:1.4rem}.bst-chu b{font:700 1.08rem/1.2 var(--tt)}.bst-chu small{margin-left:auto;color:var(--cam2);font-weight:700;font-size:.84rem;white-space:nowrap}

/* ưu đãi nước ngoài */
.nn{background:var(--thep);color:#fff;border-radius:var(--bo);padding:22px 18px}
.nn .mat{color:#FFB98F}.nn p{color:#C5CDD6}
.nn-luoi{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (min-width:860px){.nn-luoi{grid-template-columns:repeat(3,1fr)}}
.nn-o{display:flex;flex-direction:column;gap:4px;padding:12px;border-radius:var(--bo2);background:var(--thep2);text-decoration:none;border:1px solid var(--thep3)}
.nn-o span{font-size:1.4rem}.nn-o b{font-size:.88rem;line-height:1.3}.nn-o i{font-style:normal;color:#FFB98F;font-size:.78rem;font-weight:600}

/* dải lướt dưới nội dung */
.ke-sp{max-width:var(--rong);margin:40px auto 0;padding:18px var(--le) 6px;border-top:1px solid var(--vien)}
.ke-dau{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:12px}
.ke-dau h2{font-size:1.2rem;margin:0}.ke-dau a{font-weight:700;font-size:.88rem;color:var(--cam2);text-decoration:none;white-space:nowrap}
.ke-ds{list-style:none;margin:0;padding:0 0 6px;display:grid;grid-auto-flow:column;grid-auto-columns:132px;gap:10px;overflow-x:auto;scrollbar-width:thin}
.ke-ds a{display:flex;flex-direction:column;gap:4px;text-decoration:none}
.ke-ds img{aspect-ratio:1;object-fit:cover;border-radius:var(--bo2);background:var(--giay);width:100%}
.ke-ten{font-size:.78rem;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ke-gia{font:700 .98rem/1 var(--tt)}.ke-gia small{color:var(--xuong);font-size:.74rem}
.ke-them a{height:100%;min-height:132px;align-items:center;justify-content:center;border:1.5px dashed var(--bac);border-radius:var(--bo2);gap:8px}

/* lướt toàn màn */
.trang-luot main{max-width:none;padding:0}
.trang-luot .tb,.trang-luot .chip-nav,.trang-luot .chan{display:none}
.luot{position:relative}
.luot-bst{position:sticky;top:59px;z-index:5;display:flex;gap:6px;overflow-x:auto;padding:8px 12px;background:rgba(17,23,31,.92);scrollbar-width:none}
.luot-bst a{flex:none;color:#D7DCE2;text-decoration:none;font-weight:600;font-size:.84rem;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08)}
.luot-bst a[aria-current]{background:var(--cam);color:#fff}
.luot-ds{height:calc(100dvh - 59px - 52px - var(--day) - env(safe-area-inset-bottom));overflow-y:auto;scroll-snap-type:y mandatory;background:#0E141B;overscroll-behavior:contain}
.the-luot{position:relative;height:100%;scroll-snap-align:start;scroll-snap-stop:always;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;color:#fff}
.tl-nen{position:absolute;inset:-30px;background:center/cover no-repeat;filter:blur(28px) brightness(.45);transform:scale(1.1)}
.tl-anh{position:absolute;inset:0;margin:auto;max-height:68%;max-width:min(92%,520px);object-fit:contain;top:-18%;border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.tl-tt{position:relative;padding:18px 18px 20px;background:linear-gradient(transparent,rgba(0,0,0,.82) 32%);max-width:680px;width:100%;margin:0 auto}
.tl-loai{margin:0 0 4px;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#FFB98F;font-weight:700}
.tl-ten{font-weight:600;font-size:1rem;line-height:1.35;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tl-gia{margin:0}.tl-gia b{font:700 1.7rem/1 var(--tt)}.tl-gia s{color:#AEB7C2;font-size:.9rem}.tl-gia em{font-style:normal;background:var(--xuong);border-radius:6px;padding:2px 6px;font-weight:700;font-size:.86rem}
.tl-phu{color:#C5CDD6;font-size:.84rem;margin:4px 0 12px}
.tl-nut{display:flex;gap:8px}
.tl-mua{flex:1;display:flex;align-items:center;justify-content:center;min-height:52px;border-radius:12px;background:var(--cam);color:#fff;font-weight:800;text-decoration:none}
.tl-nut .tym,.tl-chia{width:52px;min-height:52px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);display:grid;place-items:center;cursor:pointer}
.tl-nut .tym svg{stroke:#fff}.tl-chia svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.luot-cho{height:120px;display:grid;place-items:center;color:#8C99A8;margin:0;scroll-snap-align:end}

/* chân trang */
.chan{background:var(--thep);color:#C5CDD6;margin-top:56px;padding:40px 0 20px}
.chan-in{max-width:var(--rong);margin:0 auto;padding:0 var(--le);display:grid;gap:26px}
.chan .logo-chu{color:#fff}.chan .logo-chu em{color:#8C99A8}
.chan-hieu p{font-size:.9rem;margin-top:12px}.chan .nho{color:#8C99A8}
.chan-cot{display:flex;flex-direction:column;gap:9px}.chan-cot a{text-decoration:none;font-size:.9rem;color:#D7DCE2}.chan-cot a:hover{color:#fff}
.chan-tt{font:700 1rem/1 var(--tt);color:#fff;margin:0 0 4px;letter-spacing:.02em}
.chan-duoi{max-width:var(--rong);margin:28px auto 0;padding:18px var(--le) 0;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem;color:#8C99A8}
.chan-duoi a{color:#D7DCE2}
@media (min-width:860px){.chan-in{grid-template-columns:1.4fr 1fr 1fr 1fr}}

/* thanh đáy 6 nút */
.thanh-day{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(6,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--vien);padding:4px 2px calc(4px + env(safe-area-inset-bottom));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.td{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:54px;border:0;background:none;text-decoration:none;color:var(--chu2);font:600 .66rem/1.1 var(--than);cursor:pointer;padding:0}
.td .ic{width:22px;height:22px}
.td[aria-current]{color:var(--chu)}.td[aria-current] .ic{stroke:var(--cam2)}
.luot-nut{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#FF5A1F,#D9381E);box-shadow:0 6px 16px rgba(217,56,30,.4);margin-top:-16px;border:3px solid #fff}
.luot-nut svg{width:22px;height:22px}
.td-luot span{color:var(--chu);font-weight:700}
.dem-luu{position:absolute;top:4px;left:calc(50% + 6px);min-width:17px;height:17px;border-radius:9px;background:var(--xuong);color:#fff;font:700 .64rem/17px var(--than);text-align:center;padding:0 4px}
@media (min-width:960px){.thanh-day{left:50%;right:auto;transform:translateX(-50%);bottom:14px;width:560px;border-radius:18px;border:1px solid var(--vien);box-shadow:0 10px 30px rgba(21,27,35,.12);padding:4px}body{padding-bottom:96px}}

/* ngăn menu */
.ngan{padding:0;border:0;margin:0;height:100dvh;max-height:none;width:min(88vw,380px);background:var(--giay);color:var(--chu);overflow-y:auto;box-shadow:12px 0 40px rgba(0,0,0,.2)}
.ngan[open]{animation:ngan-vao .2s ease-out}
@keyframes ngan-vao{from{transform:translateX(-24px);opacity:.6}to{transform:none;opacity:1}}
.ngan::backdrop{background:rgba(14,20,27,.55)}
.ngan-dau{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--vien2);position:sticky;top:0;background:var(--giay);z-index:1}
.ngan-x{width:42px;height:42px;border-radius:50%;border:1px solid var(--vien);background:var(--giay);display:grid;place-items:center;cursor:pointer}
.ngan-app{display:flex;align-items:center;gap:12px;width:calc(100% - 28px);margin:12px 14px 4px;padding:12px 14px;border-radius:var(--bo2);border:0;background:var(--thep);color:#fff;text-align:left;cursor:pointer}
.ngan-app small{display:block;color:#9AA6B3;font-size:.76rem}
.ngan-nhom{display:flex;flex-direction:column;padding:8px 8px 4px}
.ngan-nhom h2{font:700 .74rem/1 var(--than);letter-spacing:.08em;text-transform:uppercase;color:var(--chu3);margin:10px 8px 6px}
.ngan-nhom a,.ngan-nhom button{display:flex;align-items:center;gap:12px;min-height:46px;padding:0 10px;border-radius:10px;text-decoration:none;font-weight:600;font-size:.95rem;border:0;background:none;text-align:left;cursor:pointer;width:100%}
.ngan-nhom a:hover,.ngan-nhom button:hover{background:var(--nen)}
.ngan-nhom .ic{color:var(--chu3)}
.cham{width:8px;height:8px;border-radius:2px;background:var(--bac);margin:0 7px;flex:none}
.ngan-cuoi{padding:12px 16px 28px;border-top:1px solid var(--vien2);display:grid;gap:12px}
.ngan-ng{display:flex;gap:6px}.ngan-ng a{flex:1;text-align:center;padding:10px;border-radius:10px;border:1px solid var(--vien);text-decoration:none;font-weight:600}.ngan-ng a[aria-current]{background:var(--thep);color:#fff;border-color:var(--thep)}
.ngan-luot{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border-radius:10px;border:1px solid var(--vien);background:var(--nen);font-weight:600;cursor:pointer}
.luot-so{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:0}
.luot-so div{background:var(--nen);border-radius:10px;padding:8px;text-align:center}.luot-so dt{font-size:.68rem;color:var(--chu3)}.luot-so dd{margin:0;font:700 1.2rem/1.2 var(--tt);font-variant-numeric:tabular-nums}
nut-danh-ba-web{display:block}

/* hộp cài app */
.hop-cai{border:0;border-radius:18px;max-width:420px;width:calc(100% - 32px);padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.hop-cai::backdrop{background:rgba(14,20,27,.55)}
.dong-hop{position:absolute;right:10px;top:10px}.dong-hop button{width:38px;height:38px;border-radius:50%;border:1px solid var(--vien);background:var(--giay);font-size:1.3rem;cursor:pointer}
.hop-cai ol{padding-left:1.2em}.hop-cai li{margin-bottom:8px}

/* tìm */
.tim-lon{display:flex;gap:8px;align-items:center;position:relative;max-width:640px;margin-top:10px}
.tim-lon .ic{position:absolute;left:14px;color:var(--chu3)}
.tim-lon input{flex:1;min-height:52px;border:1px solid var(--vien);border-radius:12px;padding:0 14px 0 44px;font-size:1rem;background:var(--giay);min-width:0}

/* quản trị */
.qt{padding-bottom:40px;background:var(--nen)}
.qt-dau{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--giay);border-bottom:1px solid var(--vien)}
.qt-dau nav{display:flex;gap:4px;flex-wrap:wrap}.qt-dau nav a{padding:8px 12px;border-radius:999px;text-decoration:none;font-weight:600;font-size:.9rem}.qt-dau nav a[aria-current]{background:var(--thep);color:#fff}
.qt-than{max-width:1000px;margin:0 auto;padding:16px}
.qt-o{background:var(--giay);border:1px solid var(--vien);border-radius:var(--bo);padding:18px;margin-bottom:16px}
.qt-form{display:grid;gap:12px}.qt-form label{display:grid;gap:6px;font-weight:600;font-size:.88rem}
.qt textarea{min-height:90px;padding:10px;font:500 .9rem/1.5 ui-monospace,Menlo,Consolas,monospace}
.qt-2{display:grid;gap:12px}@media (min-width:700px){.qt-2{grid-template-columns:1fr 1fr}}
.qt-chk{display:flex!important;align-items:center;gap:8px}.qt-chk input{width:auto;min-height:0}
.qt-so{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.qt-so div{background:var(--nen);border-radius:10px;padding:12px}.qt-so b{display:block;font:700 1.6rem/1 var(--tt)}.qt-so span{font-size:.8rem;color:var(--chu3)}
.qt-tb{background:#E7F6EC;border:1px solid #B5E2C3;padding:12px 14px;border-radius:10px}.qt-loi{background:#FDECEC;border:1px solid #F5C2C2;padding:12px 14px;border-radius:10px}
.qt-vao{max-width:420px;margin:60px auto;padding:0 16px;display:grid;gap:16px}.qt-vao form{display:grid;gap:12px;background:var(--giay);padding:22px;border-radius:var(--bo);border:1px solid var(--vien)}.qt-vao label{display:grid;gap:6px;font-weight:600}
.qt .bang{min-width:0}.qt .bang button{min-height:34px;padding:0 10px;border-radius:8px;border:1px solid var(--vien);background:var(--giay);cursor:pointer}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.dau,.thanh-day,.ke-sp,.chan,#tmx,.tb{display:none!important}body{padding:0;background:#fff}}