.btc{--btc-muc:#1F3F47;--btc-chu:#2E3B40;--btc-do:#A63A2A;--btc-xanh:#2F6F73;--btc-xanh-n:#D9ECEC;--btc-dat:#C0694B;--btc-dat-n:#F7DFD4;--btc-tim:#6E5A7E;--btc-tim-n:#E5DEEE;--btc-mat:#C6913A;--btc-mat-n:#F8E9C8;color:var(--btc-chu);font-size:14.5px;line-height:1.4}.btc-tai{position:relative;overflow:hidden;display:inline-block;margin-bottom:14px;background:var(--btc-muc);color:#fff;font-weight:700;padding:12px 22px;border-radius:8px;text-decoration:none;box-shadow:0 0 0 0 rgba(47,111,115,.5);animation:btc-nhip 2.8s ease-out infinite}.btc-tai:after{content:"";position:absolute;top:-30%;bottom:-30%;left:-45%;width:38%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.75),transparent);transform:skewX(-18deg);animation:btc-sang 2.8s ease-in-out infinite;pointer-events:none}.btc-tai:hover{background:var(--btc-xanh)}@keyframes btc-sang{0%{left:-45%}55%,to{left:125%}}@keyframes btc-nhip{0%{box-shadow:0 0 0 0 rgba(47,111,115,.5)}70%,to{box-shadow:0 0 0 12px rgba(47,111,115,0)}}@media(prefers-reduced-motion:reduce){.btc-tai,.btc-tai:after{animation:none}.btc-tai:after{display:none}}.btc-dau{display:grid;grid-template-columns:200px 1fr 1.1fr;background:var(--btc-muc);color:#fff;border-radius:14px;overflow:hidden}.btc-anh,.btc-dau{align-items:center}.btc-anh{background:#F5F8F8;height:100%;display:flex;justify-content:center;padding:6px}.btc-anh img{width:100%;height:auto;max-height:170px;object-fit:contain}.btc-ten{padding:14px 18px}.btc-ten p{margin:0}.btc-phu{color:#CFE0E2;font-size:13px;margin-bottom:6px!important}.btc-nhanh{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:14px}.btc-nhanh div{border:1px solid rgba(255,255,255,.32);border-radius:8px;padding:6px 10px}.btc-nhanh b{display:block}.btc-nhanh span{display:block;font-size:12.5px;color:#CFE0E2}.btc-nav{position:sticky;top:89px;z-index:5;display:flex;gap:6px;padding:8px 0;background:var(--color-paper,#fff)}.btc-nav a{flex:0 1 auto;color:#fff;text-decoration:none;font-weight:700;font-size:12.5px;padding:5px 11px;border-radius:99px;text-align:center}.btc-nav .mau-xanh{background:var(--btc-xanh)}.btc-nav .mau-dat{background:var(--btc-dat)}.btc-nav .mau-tim{background:var(--btc-tim)}.btc-nav .mau-mat{background:var(--btc-mat)}.btc-nhom{margin-top:14px;padding:12px;border-radius:14px;scroll-margin-top:140px}.btc-nhom>h2{margin:0 0 8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#fff;display:inline-block;padding:3px 10px;border-radius:6px;font-family:inherit}.btc-nhom.mau-xanh{background:var(--btc-xanh-n)}.btc-nhom.mau-xanh>h2{background:var(--btc-xanh)}.btc-nhom.mau-dat{background:var(--btc-dat-n)}.btc-nhom.mau-dat>h2{background:var(--btc-dat)}.btc-nhom.mau-tim{background:var(--btc-tim-n)}.btc-nhom.mau-tim>h2{background:var(--btc-tim)}.btc-nhom.mau-mat{background:var(--btc-mat-n)}.btc-nhom.mau-mat>h2{background:var(--btc-mat)}.btc-luoi{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}.btc-luoi.ba{grid-template-columns:1.25fr 1fr 1fr}.btc-o{background:rgba(255,255,255,.82);border-radius:10px;padding:10px 12px;min-width:0}.btc-o.is-rong{grid-column:1/-1}.btc-luoi.ba .is-rong{grid-column:auto}.btc-o h3{margin:0 0 6px;font-size:16px;display:flex;justify-content:space-between;gap:8px;align-items:baseline;font-family:inherit}.btc-doc,.btc-o h3{color:var(--btc-muc)}.btc-doc{font-size:11.5px;font-weight:400;white-space:nowrap}.btc-doc.is-link{text-decoration:underline}.btc ul{margin:0;padding-left:18px;list-style:disc}.btc li{margin:2px 0}.btc-canh{color:var(--btc-do)}.btc-tt{font-weight:700;color:var(--btc-muc);background:#fff;border-radius:6px;padding:5px 8px;margin:0 0 6px}.btc-doan{margin:0;font-weight:700}.btc-dong{padding:4px 0;border-bottom:1px solid rgba(31,63,71,.14)}.btc-dong:last-child{border-bottom:0}.btc-dong b{display:block;color:var(--btc-muc)}.btc-the-luoi{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.btc-the{background:#fff;border-radius:8px;padding:7px 9px;font-size:13.5px}.btc-the>b{display:block;color:var(--btc-muc);font-size:14px;padding-bottom:2px;margin-bottom:3px;border-bottom:1px solid rgba(31,63,71,.14)}.btc-the p{margin:0}.btc-the p+p{margin-top:3px}.btc-the i{font-style:normal;font-weight:700;color:var(--btc-xanh)}.btc-the p+p i{color:#B4583A}@media(max-width:760px){.btc{font-size:13.5px}.btc-dau{grid-template-columns:110px 1fr}.btc-anh img{max-height:120px}.btc-ten{padding:10px 12px;font-size:12.5px}.btc-nhanh{grid-column:1/-1;padding:8px;gap:6px}.btc-nhanh span{font-size:11.5px}.btc-nav{gap:4px;top:67px}.btc-nhom{scroll-margin-top:112px}.btc-nav a{flex:1 1 auto;font-size:11.5px;padding:5px 4px}.btc-nhom{padding:8px;margin-top:10px}.btc-luoi,.btc-luoi.ba{gap:6px;grid-template-columns:1fr 1fr}.btc-luoi.ba .is-rong,.btc-luoi.xep .btc-o{grid-column:1/-1}.btc-o{padding:7px 8px}.btc-o h3{display:block;font-size:13.5px}.btc-doc{display:block;font-size:11px;margin-top:1px}.btc-the-luoi{grid-template-columns:1fr 1fr;gap:6px}.btc-the{font-size:12px;padding:6px 7px}.btc-the>b{font-size:12.5px}.btc-the:last-child:nth-child(odd){grid-column:1/-1}.btc ul{padding-left:14px}}