/* Header dùng chung (tách từ danh-cho-doanh-nghiep/assets/css/dn.css) */
.cs-hdr,.mn-dn,body{}
.cs-hdr{position:relative;z-index:100;background:#fff;font-family:'Open Sans',Helvetica,Arial,sans-serif;line-height:1.3}
.cs-hdr ul{list-style:none;margin:0;padding:0}
.cs-hdr a{text-decoration:none}
.mui-xuong{width:9px;height:6px;fill:none;stroke:currentColor;stroke-width:1.6;margin-left:4px;vertical-align:middle}
.cs-hdr-top{position:relative;height:32px;background:#fff}
.cs-hdr-top::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;
  background:linear-gradient(to left,#ebbd00 0%,#c8954a 25%,#bd7a00 50%,#c8954a 75%,#ebbd00 100%)}
.cs-topnav{display:flex;justify-content:flex-end;align-items:center;height:27px;padding-right:20px !important}
.cs-topnav>li{position:relative;margin-left:10px;padding:0 5px}
.cs-topnav>li>a{display:flex;align-items:center;height:24px;font-family:Roboto,Helvetica,Arial,sans-serif;
  font-size:13px;color:#000;white-space:nowrap;cursor:pointer}
.cs-topnav .cs-hotline{justify-content:center;width:165px;height:30px;margin-top:-4px;padding:3px 0 0 15px;
  background:url(/wp-content/svgimages/bg-hotline-new-5.svg) no-repeat center center;color:red;font-size:12px}
.cs-mxh svg{width:14px;height:14px;fill:#000}
.cs-topnav .co-con>ul{display:none;position:absolute;left:0;top:100%;min-width:150px;padding-top:8px;z-index:120}
.cs-topnav .co-con:hover>ul,.cs-topnav .co-con:focus-within>ul{display:block}
.cs-topnav .co-con>ul a{display:block;background:#f5f5f5;color:#000;font-family:Roboto,Helvetica,Arial,sans-serif;
  font-size:12px;line-height:24px;padding:6px 10px;border-bottom:1px solid #e4e4e4}
.cs-hdr-chinh{background:#402011}
.cs-hdr-chinh .container{position:relative;max-width:1170px;margin:0 auto;padding:0 15px}
.cs-hdr-chinh .site-header-main{display:flex;align-items:center;height:55px}
.cs-logo{display:flex;align-items:center;flex:0 0 auto}
.cs-logo img{max-height:50px;width:auto}
.cs-nav{flex:1;display:flex;justify-content:flex-end;align-self:stretch;margin-left:30px}
.cs-nav>ul{display:flex}
.cs-nav>ul>li{position:relative}
.cs-nav>ul>li>a{position:relative;display:flex;align-items:center;height:55px;padding:0 12px;cursor:default;
  font-family:Montserrat,Helvetica,Arial,sans-serif;font-size:12px;font-weight:600;text-transform:uppercase;color:#fff;white-space:nowrap}
.cs-nav>ul>li>a[href]{cursor:pointer}
.cs-nav>ul>li>a span{position:relative;z-index:3}
.cs-nav>ul>li>a::after{content:"";position:absolute;left:0;top:0;width:100%;height:0;z-index:1;
  background:linear-gradient(to right,#ebbd00,#c8954a,#bd7a00);transition:all .5s ease}
.cs-nav>ul>li:hover>a::after,.cs-nav>ul>li.dang-o>a::after{height:100%}
.cs-nav>ul>li.co-con>a::before{content:"";display:none;position:absolute;left:0;right:0;bottom:4px;margin:0 auto;
  width:0;height:0;border-bottom:15px solid #fff;border-left:20px solid transparent;border-right:20px solid transparent;z-index:2}
.cs-nav>ul>li.co-con:hover>a::before{display:block}
.cs-inbox>a span{padding:7px;line-height:14px;background:linear-gradient(to right,#ebbd00,#c8954a,#bd7a00)}
.cs-nav li.co-con:hover>.cs-sub{display:block}
.cs-burger{display:none;flex-direction:column;justify-content:center;gap:3px;height:55px;padding-right:15px;cursor:pointer}
.cs-burger span{display:block;width:20px;height:3px;background:#fff;border-radius:1px}
.dn-mo-menu .mui-xuong{transition:transform .25s}
.dn-mo-menu[aria-expanded="true"] .mui-xuong{transform:rotate(180deg)}
@media (max-width:1199px){.cs-nav{margin-left:14px}.cs-nav>ul>li>a{padding:0 8px;font-size:11px}}
@media (max-width:992px){.cs-hdr-top,.cs-nav,#new_menu_111{display:none !important}.cs-burger{display:flex}.cs-logo img{max-height:36px}}
.cs-nav>ul>li.mn-dn-li{position:static}
.mn-dn{position:absolute;left:50%;top:calc(100% + 10px);z-index:130;width:min(1140px,calc(100vw - 40px));
  display:grid;grid-template-columns:270px minmax(0,1fr);overflow:hidden;border-radius:24px;background:#fff;
  font-family:Roboto,Arial,sans-serif;line-height:1.4;text-align:left;
  box-shadow:0 40px 80px -24px rgba(27,9,6,.55),0 0 0 1px rgba(200,160,40,.28);
  opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility 0s linear .22s}
.mn-dn::before{content:"";position:absolute;left:0;right:0;top:-22px;height:24px}
.mn-dn-li:hover>.mn-dn,.mn-dn-li:focus-within>.mn-dn,.mn-dn-li.mo>.mn-dn{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);transition-delay:.08s,.08s,0s}
.cs-nav>ul>li.mn-dn-li>a::before{bottom:-10px;border-bottom-color:#1B0906;z-index:131}
.mn-dn-li:not(:hover):not(:focus-within):not(.mo)>a::before{display:none}
.mnl{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px;color:#fff;
  background:radial-gradient(circle at 85% 8%,rgba(255,212,71,.28),transparent 45%),linear-gradient(165deg,#2E100B,#1B0906 70%)}
.mnhero{position:relative;flex:1;display:flex;flex-direction:column;min-height:300px;color:#fff !important;text-decoration:none}
.mnbadge{align-self:flex-start;padding:4px 10px;border-radius:99px;font-size:10.5px;font-weight:800;letter-spacing:.12em;color:#1B0906;background:linear-gradient(135deg,#F7E38C,#C8A028)}
.mnhero b{margin-top:12px;font-size:21px;font-weight:800;line-height:1.2}
.mnhero small{margin-top:4px;font-size:12.5px;color:rgba(255,255,255,.72)}
.mnstat{margin-top:10px;font-size:12px;font-weight:600;color:rgba(255,255,255,.8)}
.mnstat em{font-style:normal;font-size:19px;font-weight:800;color:#FFD447}
.mnhero img{position:absolute;left:0;right:0;bottom:0;width:100%;height:132px;object-fit:cover;border-radius:16px;
  border:1px solid rgba(255,255,255,.2);box-shadow:0 16px 30px -12px rgba(0,0,0,.6);transition:transform .35s}
.mnhero:hover img{transform:translateY(-4px)}
.mngo,.mntry{display:flex;align-items:center;justify-content:center;gap:8px;height:42px;border-radius:99px;font-size:13.5px;font-weight:800;text-decoration:none !important;transition:transform .15s,background .15s}
.mngo{color:#1B0906 !important;background:linear-gradient(135deg,#F7E38C,#D7B953 45%,#C8A028);box-shadow:0 10px 22px -10px rgba(200,160,40,.9)}
.mngo svg{width:16px;height:16px}
.mngo:hover{transform:translateY(-2px)}
.mntry{color:#fff !important;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.28)}
.mntry:hover{background:rgba(255,255,255,.16)}
.mnr{padding:18px 20px 0;max-height:min(76vh,640px);overflow-y:auto;background:linear-gradient(180deg,#FFFDF1,#fff 45%)}
.mngh{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:13px;font-weight:800;color:#4A1B16;white-space:nowrap}
.mngh span{padding:3px 10px;border-radius:99px;font-size:10px;letter-spacing:.1em;color:#fff;background:var(--gc)}
.mngh::after{content:"";flex:1;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gc),transparent);opacity:.45}
.mngrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px}
.mnc{display:flex;flex-direction:column;min-width:0;border-radius:14px;overflow:hidden;background:#fff;border:1.5px solid rgba(74,27,22,.1);
  color:#2B1512 !important;text-decoration:none !important;transition:transform .18s,box-shadow .18s,border-color .18s}
.mnc:hover{transform:translateY(-3px);border-color:var(--gc,#C8A028);box-shadow:0 14px 26px -12px rgba(74,27,22,.35)}
.mnth{position:relative;display:block;aspect-ratio:16/7;overflow:hidden;background:#EED99A}
.mnth img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s}
.mnc:hover .mnth img{transform:scale(1.08)}
.mnth::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(27,9,6,.55))}
.mnth em{position:absolute;left:8px;top:8px;z-index:1;padding:2px 8px;border-radius:7px;font-size:10.5px;font-weight:800;font-style:normal;letter-spacing:.06em;color:#fff;background:var(--gc,#743226)}
.mnth i{position:absolute;right:8px;bottom:8px;z-index:1;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;color:#4A1B16;opacity:0;transform:scale(.6);transition:.18s}
.mnth i svg{width:14px;height:14px}
.mnc:hover .mnth i{opacity:1;transform:none}
.mnt{display:block;padding:8px 10px 10px;min-width:0}
.mnt b{display:block;font-size:13.5px;font-weight:700;color:#4A1B16;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mnt small{display:block;margin-top:2px;font-size:11.5px;color:#6E5A55;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mnic{display:flex;gap:5px;margin-top:7px}
.mnic svg{width:14px;height:14px;fill:#743226;opacity:.8}
.mnc.active{border-color:var(--gc,#C8A028);box-shadow:0 0 0 2px var(--gc,#C8A028)}
.mn-chan{position:sticky;bottom:0;display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 -20px;padding:12px 20px;
  background:#FFF3C4;border-top:1px solid rgba(200,160,40,.35);font-size:13px;color:#4A1B16}
.mn-chan span{display:flex;align-items:center;gap:8px}
.mn-chan svg{width:16px;height:16px}
.mn-chan a{color:#743226 !important;font-weight:800;text-decoration:none !important;display:inline-flex;align-items:center;gap:6px}
@media (max-width:1199px){.mn-dn{grid-template-columns:230px minmax(0,1fr)}.mngrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:992px){.mn-dn{display:none}}
@media (prefers-reduced-motion:reduce){.mn-dn,.mnc,.mnth img,.mnhero img{transition:none}}
@media (max-width:992px){.dm-hang .mnc{flex:0 0 150px;scroll-snap-align:start;--gc:#743226}}
body,button,input,select,textarea,.mn-dn,.tieu-de h2,h1,h2,h3,h4{font-family:Roboto,-apple-system,'Segoe UI',Arial,sans-serif}
.mnr{max-height:calc(100vh - 120px)}
.mnth{aspect-ratio:16/6}
.mngrid{gap:10px;margin-bottom:12px}
.mngh{margin-bottom:8px}
.mnt{padding:7px 10px 9px}
.mnic{margin-top:5px}
.mn-tu-van{justify-content:center;gap:6px;padding:14px 16px;border:1.5px dashed #C8A028 !important;background:linear-gradient(160deg,#FFF7DA,#FFE9A8) !important}
.mn-tu-van .mtv-bieu{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#1B0906;color:#FFD447}
.mn-tu-van .mtv-bieu svg{width:18px;height:18px}
.mn-tu-van b{font-size:14px;color:#4A1B16}
.mn-tu-van small{font-size:12px;color:#6E5A55;line-height:1.4}
.mn-tu-van .mtv-nut{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:800;color:#743226}
.mn-tu-van .mtv-nut svg{width:14px;height:14px}
.mnth{aspect-ratio:8/3;background:#1B0906}
.mnth::after{background:linear-gradient(180deg,transparent 60%,rgba(27,9,6,.25))}
.mnhero img{height:auto;aspect-ratio:8/3;object-fit:cover;background:#1B0906}
.dn-cta-bar,.mngo,.dk-gui{box-shadow:inset 0 1px 0 rgba(255,255,255,.6),inset 0 -3px 0 rgba(122,84,24,.3),0 10px 20px -10px rgba(200,160,40,.9)}
.cs-hdr{position:sticky;top:-32px;z-index:200}
@media (max-width:992px){.cs-hdr{top:0}}
.cs-nav>ul>li.mn-dn-li{position:static}
.mn-dn{position:absolute;left:50%;top:calc(100% + 10px);z-index:130;width:min(1140px,calc(100vw - 40px));
  display:grid;grid-template-columns:270px minmax(0,1fr);overflow:hidden;border-radius:24px;background:#fff;
  font-family:Roboto,Arial,sans-serif;line-height:1.4;text-align:left;
  box-shadow:0 40px 80px -24px rgba(27,9,6,.55),0 0 0 1px rgba(200,160,40,.28);
  opacity:0;visibility:hidden;transform:translateX(-50%) translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility 0s linear .22s}
.mn-dn::before{content:"";position:absolute;left:0;right:0;top:-22px;height:24px}
.mn-dn-li:hover>.mn-dn,.mn-dn-li:focus-within>.mn-dn,.mn-dn-li.mo>.mn-dn{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);transition-delay:.08s,.08s,0s}
.cs-nav>ul>li.mn-dn-li>a::before{bottom:-10px;border-bottom-color:#1B0906;z-index:131}
.mn-dn-li:not(:hover):not(:focus-within):not(.mo)>a::before{display:none}
.mnl{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px;color:#fff;
  background:radial-gradient(circle at 85% 8%,rgba(255,212,71,.28),transparent 45%),linear-gradient(165deg,#2E100B,#1B0906 70%)}
.mnhero{position:relative;flex:1;display:flex;flex-direction:column;min-height:300px;color:#fff !important;text-decoration:none}
.mnbadge{align-self:flex-start;padding:4px 10px;border-radius:99px;font-size:10.5px;font-weight:800;letter-spacing:.12em;color:#1B0906;background:linear-gradient(135deg,#F7E38C,#C8A028)}
.mnhero b{margin-top:12px;font-size:21px;font-weight:800;line-height:1.2}
.mnhero small{margin-top:4px;font-size:12.5px;color:rgba(255,255,255,.72)}
.mnstat{margin-top:10px;font-size:12px;font-weight:600;color:rgba(255,255,255,.8)}
.mnstat em{font-style:normal;font-size:19px;font-weight:800;color:#FFD447}
.mnhero img{position:absolute;left:0;right:0;bottom:0;width:100%;height:132px;object-fit:cover;border-radius:16px;
  border:1px solid rgba(255,255,255,.2);box-shadow:0 16px 30px -12px rgba(0,0,0,.6);transition:transform .35s}
.mnhero:hover img{transform:translateY(-4px)}
.mngo,.mntry{display:flex;align-items:center;justify-content:center;gap:8px;height:42px;border-radius:99px;font-size:13.5px;font-weight:800;text-decoration:none !important;transition:transform .15s,background .15s}
.mngo{color:#1B0906 !important;background:linear-gradient(135deg,#F7E38C,#D7B953 45%,#C8A028);box-shadow:0 10px 22px -10px rgba(200,160,40,.9)}
.mngo svg{width:16px;height:16px}
.mngo:hover{transform:translateY(-2px)}
.mntry{color:#fff !important;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.28)}
.mntry:hover{background:rgba(255,255,255,.16)}
.mnr{padding:18px 20px 0;max-height:min(76vh,640px);overflow-y:auto;background:linear-gradient(180deg,#FFFDF1,#fff 45%)}
.mngh{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:13px;font-weight:800;color:#4A1B16;white-space:nowrap}
.mngh span{padding:3px 10px;border-radius:99px;font-size:10px;letter-spacing:.1em;color:#fff;background:var(--gc)}
.mngh::after{content:"";flex:1;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gc),transparent);opacity:.45}
.mngrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px}
.mnc{display:flex;flex-direction:column;min-width:0;border-radius:14px;overflow:hidden;background:#fff;border:1.5px solid rgba(74,27,22,.1);
  color:#2B1512 !important;text-decoration:none !important;transition:transform .18s,box-shadow .18s,border-color .18s}
.mnc:hover{transform:translateY(-3px);border-color:var(--gc,#C8A028);box-shadow:0 14px 26px -12px rgba(74,27,22,.35)}
.mnth{position:relative;display:block;aspect-ratio:16/7;overflow:hidden;background:#EED99A}
.mnth img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s}
.mnc:hover .mnth img{transform:scale(1.08)}
.mnth::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(27,9,6,.55))}
.mnth em{position:absolute;left:8px;top:8px;z-index:1;padding:2px 8px;border-radius:7px;font-size:10.5px;font-weight:800;font-style:normal;letter-spacing:.06em;color:#fff;background:var(--gc,#743226)}
.mnth i{position:absolute;right:8px;bottom:8px;z-index:1;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#fff;color:#4A1B16;opacity:0;transform:scale(.6);transition:.18s}
.mnth i svg{width:14px;height:14px}
.mnc:hover .mnth i{opacity:1;transform:none}
.mnt{display:block;padding:8px 10px 10px;min-width:0}
.mnt b{display:block;font-size:13.5px;font-weight:700;color:#4A1B16;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mnt small{display:block;margin-top:2px;font-size:11.5px;color:#6E5A55;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mnic{display:flex;gap:5px;margin-top:7px}
.mnic svg{width:14px;height:14px;fill:#743226;opacity:.8}
.mnc.active{border-color:var(--gc,#C8A028);box-shadow:0 0 0 2px var(--gc,#C8A028)}
.mn-chan{position:sticky;bottom:0;display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 -20px;padding:12px 20px;
  background:#FFF3C4;border-top:1px solid rgba(200,160,40,.35);font-size:13px;color:#4A1B16}
.mn-chan span{display:flex;align-items:center;gap:8px}
.mn-chan svg{width:16px;height:16px}
.mn-chan a{color:#743226 !important;font-weight:800;text-decoration:none !important;display:inline-flex;align-items:center;gap:6px}
@media (max-width:1199px){.mn-dn{grid-template-columns:230px minmax(0,1fr)}.mngrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:992px){.mn-dn{display:none}}
@media (prefers-reduced-motion:reduce){.mn-dn,.mnc,.mnth img,.mnhero img{transition:none}}
.mnc{flex:0 0 150px;scroll-snap-align:start;--gc:#743226}
.mn-dn,.tieu-de h2,h1,h2,h3,h4{font-family:Roboto,-apple-system,'Segoe UI',Arial,sans-serif}
.mnr{max-height:calc(100vh - 120px)}
.mnth{aspect-ratio:16/6}
.mngrid{gap:10px;margin-bottom:12px}
.mngh{margin-bottom:8px}
.mnt{padding:7px 10px 9px}
.mnic{margin-top:5px}
.mn-tu-van{justify-content:center;gap:6px;padding:14px 16px;border:1.5px dashed #C8A028 !important;background:linear-gradient(160deg,#FFF7DA,#FFE9A8) !important}
.mn-tu-van .mtv-bieu{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#1B0906;color:#FFD447}
.mn-tu-van .mtv-bieu svg{width:18px;height:18px}
.mn-tu-van b{font-size:14px;color:#4A1B16}
.mn-tu-van small{font-size:12px;color:#6E5A55;line-height:1.4}
.mn-tu-van .mtv-nut{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:800;color:#743226}
.mn-tu-van .mtv-nut svg{width:14px;height:14px}
.mnth{aspect-ratio:8/3;background:#1B0906}
.mnth::after{background:linear-gradient(180deg,transparent 60%,rgba(27,9,6,.25))}
.mnhero img{height:auto;aspect-ratio:8/3;object-fit:cover;background:#1B0906}
.mngo,.dk-gui{box-shadow:inset 0 1px 0 rgba(255,255,255,.6),inset 0 -3px 0 rgba(122,84,24,.3),0 10px 20px -10px rgba(200,160,40,.9)}
.mn-dn-site .mn-dn{position:fixed;top:var(--top,90px);z-index:99999}
.mn-dn-site.mo .mn-dn{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);transition-delay:0s}
.mn-dn-site .mnic svg{width:14px;height:14px}
.mn-dn-site .mngo svg,.mn-dn-site .mnth i svg,.mn-dn-site .mn-chan svg{width:16px;height:16px}
.mn-dn-site .mtv-bieu svg{width:18px;height:18px}
/* bổ sung: phần menu điện thoại do menu_new vẽ */
.cs-sub{display:none;position:absolute;left:0;top:100%;transform:translateY(-7px);width:345px;
  padding:38px 35px !important;background:#fff;border-radius:8px;box-shadow:0 4px 4px rgba(0,0,0,.25);z-index:5}
.cs-sub a{display:block;padding:10px 20px 10px 0;font-size:14px;line-height:17px;color:#333}
#new_menu_111{top:0}
#new_menu_111 h4{margin:10px 0}
#new_menu_111 p{margin:0 0 10px}
#new_menu_111 a,.menu-container-mobile a,#menuBottom111 a{text-decoration:none}
#description-content .description-content-header a p{margin:0}
#new_menu_111 ul{margin-top:0}
#new_menu_111 .menu-titles-footer a{display:inline-block;margin:0 4px 6px 0}
.menu-container-mobile button{font:inherit}
.menu-container-mobile p{margin:0}
#eluid5420dba40,#eluid5420dba41{position:relative;display:block;padding:10px;border-radius:5px;text-align:center;
  font-family:Roboto,sans-serif;font-size:12px;font-weight:700;line-height:19.2px;text-transform:uppercase;text-decoration:none}
#eluid5420dba40{color:#fff;background-size:250% auto;
  background-image:linear-gradient(to left,#ebbd00 0%,#c8954a 25%,#bd7a00 50%,#c8954a 75%,#ebbd00 100%)}
#eluid5420dba41{color:#000;background:linear-gradient(90deg,#ebbd00 30%,#bd7a00 80%);z-index:0}
#eluid5420dba41::before{content:"";position:absolute;inset:2px;background:#fff;border-radius:4px;z-index:-1}
.mobile-course-list.hidden{display:none !important}
@media (max-width:992px){.cs-hdr-top,.cs-nav,#new_menu_111{display:none !important}.cs-burger{display:flex}}
/* Trang chủ */
[hidden]{display:none!important}
/* Bố cục: các section chồng lớp (overlap), nền phủ toàn khung xen kẽ sáng–tối; sân khấu 3D cho 5 mảng, 360, lộ trình, feedback. */
:root{
  --nau:#5E1A10; --nau-dam:#3A120B; --den:#140705; --muc:#24130F; --chu:#3D2A24; --nhat:#6E5A54;
  --kem:#FFFDF6; --kem2:#FFF4D9; --vang:#FFD447; --vang-dam:#C8A028; --vien:#EBDDC4;
  --ai:#F07A45; --vc:#7C5CFF; --tre:#14B8A0; --dn:#E3B341; --lt:#FFD447;
  --f-chu:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-trich:"Newsreader",Georgia,"Times New Roman",serif;
  --bo:22px; --le:clamp(16px,4vw,32px);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--kem);color:var(--muc);font-family:var(--f-chu);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p,figure,blockquote,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--vang);outline-offset:3px;border-radius:6px}
.bao{width:100%;max-width:1280px;margin-inline:auto;padding-inline:var(--le)}
.mat{font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.h2{font-weight:800;font-size:clamp(30px,4.2vw,54px);line-height:1.04;letter-spacing:-.03em;text-wrap:balance}
.dan{font-size:clamp(16px,1.6vw,18px);line-height:1.7;color:var(--nhat);max-width:62ch}
.toi .dan{color:#E7D6C1}
.an-chu{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* nút */
.nut{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 22px;border-radius:14px;font-weight:800;font-size:15px;text-decoration:none;border:0;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.nut:hover{transform:translateY(-2px)}
.nut-vang{background:linear-gradient(135deg,#FFE27A,#FFC21A);color:#2A1206;box-shadow:0 12px 30px -12px rgba(255,196,26,.7)}
.nut-nau{background:var(--nau);color:#fff;box-shadow:0 12px 26px -14px rgba(94,26,16,.8)}
.nut-kinh{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);}
.nut-vien{background:transparent;color:var(--nau);border:1.5px solid var(--nau)}
.xoay{display:inline-grid;overflow:hidden;vertical-align:bottom;height:1.3em}
.xoay>span{grid-area:1/1;opacity:0;transform:translateY(70%);transition:opacity .45s ease,transform .45s ease;white-space:nowrap}.xoay>span.dang{opacity:1;transform:none}.xoay>span.di{opacity:0;transform:translateY(-70%)}.xoay:not(.js)>span:first-child{opacity:1;transform:none}

@keyframes xoay{0%{opacity:0;transform:translateY(80%)}3%,21%{opacity:1;transform:none}24%,100%{opacity:0;transform:translateY(-80%)}}

/* ===== HEADER (giữ cấu trúc menu hiện tại) ===== */

/* ===== HERO ===== */
.hero{position:relative;color:#fff;background:var(--den);overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
  radial-gradient(1200px 600px at 85% 30%,rgba(255,196,26,.18),transparent 60%),
  linear-gradient(100deg,rgba(20,7,5,.95) 0%,rgba(20,7,5,.86) 40%,rgba(20,7,5,.45) 75%,rgba(20,7,5,.6) 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.35;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);mask-image:linear-gradient(180deg,#000,transparent 85%)}
.hero-luoi{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center;padding-block:clamp(56px,8vw,110px) clamp(150px,14vw,190px)}
.hero-trai{display:flex;flex-direction:column;gap:24px;min-width:0}
.viên{display:inline-flex}
.hero-the{align-self:flex-start;display:inline-flex;gap:10px;align-items:center;padding:8px 14px 8px 8px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:13.5px;font-weight:700}
.hero-the span{background:var(--vang);color:#2A1206;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:800}
.hero h1{font-weight:800;font-size:clamp(38px,5vw,72px);line-height:.98;letter-spacing:-.04em;text-wrap:balance}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,#FFE27A 0%,#FFB547 45%,#FF8A5B 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .dan{color:#EEDFCB}
.tim{display:flex;gap:8px;padding:8px;background:#fff;border-radius:18px;box-shadow:0 30px 70px -30px rgba(0,0,0,.8);max-width:680px}
.tim label{flex:1;display:flex;gap:10px;align-items:center;padding-left:12px;color:var(--nhat);min-width:0}
.tim input{border:0;outline:0;font:inherit;font-size:16px;color:var(--muc);width:100%;min-height:50px;background:transparent}
.goi-y{display:flex;flex-wrap:wrap;gap:8px}
.goi-y button{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:8px 14px;font-size:13.5px;font-weight:700;min-height:40px}
.goi-y button:hover{background:rgba(255,255,255,.2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
/* PR stack */
/* stats strip chồng lên section sau */
.so-lieu{position:relative;z-index:5;margin-top:-110px}
.so-lieu .khung{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));background:rgba(255,253,246,.96);border-radius:26px;box-shadow:0 40px 80px -40px rgba(36,19,15,.55);border:1px solid rgba(255,255,255,.6);overflow:hidden}
.so-lieu .o{padding:22px 24px;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--vien)}
.so-lieu .o:first-child{border-left:0}
.so-lieu b{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.03em;color:var(--nau);font-variant-numeric:tabular-nums}
.so-lieu span{font-size:13.5px;color:var(--nhat);line-height:1.4}

/* ===== 5 MẢNG 3D ===== */
.mang{padding-block:clamp(72px,9vw,120px) 40px;position:relative}
.mang .dau{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:flex-end}
.san-khau{position:relative;height:560px;margin-top:40px;perspective:1800px;perspective-origin:50% 30%}
.san-khau .vong{position:absolute;inset:0;transform-style:preserve-3d}
.the-mang{position:absolute;will-change:transform;left:50%;top:10px;width:330px;height:470px;margin-left:-165px;border-radius:28px;overflow:hidden;color:#fff;text-decoration:none;transition:transform .8s cubic-bezier(.2,.7,.2,1),opacity .8s;box-shadow:0 50px 90px -40px rgba(36,19,15,.75);display:flex;flex-direction:column;justify-content:flex-end;background:var(--mau)}
.the-mang>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 1.2s}
.the-mang::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 20%,color-mix(in srgb,var(--mau) 92%,#000) 75%);z-index:1}
.the-mang::after{content:"";position:absolute;inset:0;border-radius:inherit;border:1.5px solid rgba(255,255,255,.28);z-index:3;pointer-events:none;background:linear-gradient(120deg,rgba(255,255,255,.25),transparent 30%)}
.the-mang .nd{position:relative;z-index:2;padding:26px;display:flex;flex-direction:column;gap:10px}
.the-mang .so{align-self:flex-start;font-size:12px;font-weight:800;padding:6px 11px;border-radius:9px;background:var(--nhan);color:var(--mau)}
.the-mang strong{font-size:27px;line-height:1.1;letter-spacing:-.02em}
.the-mang p{font-size:14.5px;line-height:1.55;color:rgba(255,255,255,.88)}
.the-mang .di{font-weight:800;font-size:14px;color:var(--vang);display:flex;gap:6px;align-items:center}
.the-mang .bieu{position:absolute;top:22px;right:22px;z-index:2;width:66px;height:66px;border-radius:20px;background:rgba(255,255,255,.16);display:grid;place-items:center;border:1px solid rgba(255,255,255,.35);transform:translateZ(40px)}
.the-mang .bieu svg{width:34px;height:34px}
.dieu-khien{display:flex;justify-content:center;gap:10px;margin-top:8px}
.dieu-khien button{min-width:44px;height:44px;border-radius:999px;border:1px solid var(--vien);background:#fff;font-weight:800;padding:0 16px;font-size:14px}
.dieu-khien button[aria-pressed="true"]{background:var(--nau);color:#fff;border-color:var(--nau)}

/* ===== KHOÁ HỌC ===== */
.khoa{position:relative;padding-block:90px 110px;background:
  radial-gradient(700px 400px at 10% 10%,rgba(255,212,71,.22),transparent 60%),
  radial-gradient(700px 500px at 95% 40%,rgba(124,92,255,.12),transparent 60%),var(--kem)}
.khoa .dau{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-end}
.loc{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.loc button{border:1px solid var(--vien);background:#fff;border-radius:999px;padding:10px 16px;font-weight:800;font-size:14px;min-height:44px;color:var(--chu);display:flex;gap:8px;align-items:center}
.loc button i{font-style:normal;width:10px;height:10px;border-radius:50%;background:var(--c)}
.loc button[aria-selected="true"]{background:var(--muc);color:#fff;border-color:var(--muc)}
.loc button em{font-style:normal;opacity:.6;font-weight:700}
.o-loc{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--vien);border-radius:14px;padding:0 14px;min-width:min(360px,100%)}
.o-loc input{border:0;outline:0;font:inherit;width:100%;min-height:48px;background:transparent}
.dem{margin-top:14px;font-size:14px;color:var(--nhat)}
.luoi-khoa{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(285px,100%),1fr));gap:22px;margin-top:20px;perspective:1200px}
.kh{position:relative;border-radius:24px;background:#fff;border:1px solid rgba(94,26,16,.08);box-shadow:0 24px 50px -36px rgba(36,19,15,.5);display:flex;flex-direction:column;transform-style:preserve-3d;transition:transform .25s ease,box-shadow .25s ease;will-change:transform}
.kh:hover{box-shadow:0 40px 70px -40px rgba(36,19,15,.65)}
.kh .anh{position:relative;margin:10px 10px 0;border-radius:18px;overflow:hidden;aspect-ratio:16/9;transform:translateZ(30px);background:#1b1b2f}
.kh .anh img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.kh:hover .anh img{transform:scale(1.07)}
.kh .anh::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.35) 0%,rgba(255,255,255,0) 35%);mix-blend-mode:soft-light}
.kh .nhan{position:absolute;left:10px;top:10px;display:flex;gap:6px;flex-wrap:wrap}
.kh .nhan span{font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:5px 9px;border-radius:8px;background:rgba(20,7,5,.75);color:#fff;}
.kh .nhan span.c{background:var(--c);color:#1a0b06}
.kh .nhan span.ai{background:linear-gradient(90deg,#7C5CFF,#F07A45);color:#fff}
.kh .than{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;transform:translateZ(14px)}
.kh h3{font-size:18px;line-height:1.28;letter-spacing:-.01em}
.kh p{font-size:14px;line-height:1.55;color:var(--nhat)}
.kh .chip{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}
.kh .chip span{display:inline-flex;gap:6px;align-items:center;font-size:12.5px;font-weight:700;color:var(--chu);background:var(--kem2);border-radius:8px;padding:6px 9px}
.kh .chip svg{width:14px;height:14px;flex:none}
.kh .nut-kh{display:flex;gap:8px;padding-top:6px}
.kh .nut-kh a{flex:1;min-height:44px;border-radius:12px;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:6px;text-decoration:none}
.kh .nut-kh .xem{background:var(--muc);color:#fff}
.kh .nut-kh .tv{border:1px solid var(--vien);color:var(--nau)}
.them{display:flex;justify-content:center;margin-top:30px}

/* ===== VÌ SAO (AI-native bento) ===== */
.vi-sao{position:relative;color:#fff;background:radial-gradient(900px 600px at 0% 0%,#4A1A10 0%,transparent 60%),radial-gradient(900px 600px at 100% 100%,#251A55 0%,transparent 60%),#100605;padding-block:110px;overflow:hidden;border-radius:44px 44px 0 0;margin-top:-44px}
.vi-sao .dau{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;align-items:end}
.bento{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-rows:minmax(150px,auto);gap:16px;margin-top:44px}
.o-b{position:relative;border-radius:26px;padding:24px;background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.12);overflow:hidden;display:flex;flex-direction:column;gap:10px}
.o-b h3{font-size:20px;line-height:1.25}
.o-b p{font-size:14.5px;line-height:1.6;color:#D9CBBB}
.o-b .mat{color:var(--vang);font-size:11.5px}
.b1{grid-column:span 3;grid-row:span 2}
.b2{grid-column:span 3}
.b3{grid-column:span 3}
.b4{grid-column:span 2}
.b5{grid-column:span 2}
.b6{grid-column:span 2}
.chat{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.chat .q,.chat .a{max-width:85%;padding:12px 14px;border-radius:16px;font-size:14px;line-height:1.5}
.chat .q{align-self:flex-end;background:#2E2560;border-bottom-right-radius:4px}
.chat .a{background:rgba(255,255,255,.1);border-bottom-left-radius:4px;color:#F4EADB}
.chat .a code{font:500 12.5px "JetBrains Mono",monospace;color:#FFD447}
.go-cham{display:inline-flex;gap:4px}
.go-cham i{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.4;animation:goCham 1.2s infinite}
.go-cham i:nth-child(2){animation-delay:.2s}.go-cham i:nth-child(3){animation-delay:.4s}
@keyframes goCham{50%{opacity:1;transform:translateY(-3px)}}
.cv{background:#fff;color:var(--muc);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:9px;margin-top:auto}
.cv .hang{display:grid;grid-template-columns:96px 1fr;gap:10px;align-items:center;font-size:12.5px;font-weight:700}
.cv .thanh{height:8px;border-radius:8px;background:#F1E6D2;overflow:hidden}
.cv .thanh i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#FFC21A,#F07A45);width:var(--w);animation:day 2.4s cubic-bezier(.2,.7,.2,1) both}
@keyframes day{from{width:8%}}
.mang-luoi{position:relative;margin-top:auto;height:150px}
.mang-luoi svg{width:100%;height:100%}
.mang-luoi line{stroke:rgba(255,212,71,.45);stroke-width:1.5;stroke-dasharray:4 6;animation:chay 3s linear infinite}
@keyframes chay{to{stroke-dashoffset:-40}}
.mang-luoi circle{fill:#FFD447}
.mang-luoi .dn{fill:#fff}
.gv-anh{position:absolute;inset:0;z-index:-1;opacity:.45;width:100%;height:100%;object-fit:cover}
.b4{isolation:isolate}
.huy-hieu{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.huy-hieu span{padding:8px 12px;border-radius:10px;background:rgba(255,212,71,.12);border:1px solid rgba(255,212,71,.4);color:#FFE7A0;font-weight:800;font-size:13px}
.song{display:flex;gap:10px;margin-top:auto}
.song div{flex:1;border-radius:12px;background:#1E1A2E;border:1px solid #393056;padding:10px;font-size:12px;color:#C9C2E8;display:flex;flex-direction:column;gap:6px}
.song div i{display:block;height:46px;border-radius:8px;background:linear-gradient(135deg,#3A2E6E,#1E1A2E);position:relative;overflow:hidden}
.song div i::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);animation:quet 2.6s infinite}
@keyframes quet{from{transform:translateX(-100%)}to{transform:translateX(100%)}}

/* ===== THREE-TEACHER + 360 ===== */
.mo-hinh{position:relative;padding-block:120px 110px;background:linear-gradient(180deg,#100605 0,#1E0B07 560px,var(--kem) 560px)}
.ba-thay{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;perspective:1600px;margin-top:44px}
.cot{position:relative;border-radius:30px;padding:30px 26px 26px;background:linear-gradient(180deg,#FFFDF6,#FFF1CF);color:var(--muc);transform:rotateX(8deg);transform-origin:bottom;box-shadow:0 60px 80px -50px rgba(0,0,0,.8),inset 0 1px 0 #fff;display:flex;flex-direction:column;gap:12px;transition:transform .5s}
.cot:hover{transform:rotateX(0) translateY(-8px)}
.cot img{width:120px;height:auto;margin:-80px auto 6px;filter:drop-shadow(0 20px 22px rgba(160,110,10,.45));animation:troi 5s ease-in-out infinite}
.cot:nth-child(2) img{animation-delay:-1.6s}.cot:nth-child(3) img{animation-delay:-3.2s}
.cot .mat{color:var(--nau);text-align:center}
.cot h3{font-size:22px;text-align:center;line-height:1.2}
.cot p{font-size:15px;color:var(--nhat);text-align:center}
.cot .so{position:absolute;top:18px;left:22px;font-weight:800;font-size:13px;color:var(--vang-dam)}
.phu-thay{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:22px}
.phu-thay span{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--vien);border-radius:999px;padding:6px 16px 6px 6px;font-weight:700;font-size:14px;box-shadow:0 10px 24px -18px rgba(36,19,15,.6)}
.phu-thay img{width:36px;height:36px}
.vong-360{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:50px;align-items:center;margin-top:110px}
.quy-dao{position:relative;width:min(540px,100%);aspect-ratio:1;margin-inline:auto}
.quy-dao .tam{position:absolute;inset:32%;border-radius:50%;display:grid;place-items:center;filter:drop-shadow(0 30px 40px rgba(180,120,10,.4))}
.quy-dao .tam img{width:100%;animation:quayCham 18s linear infinite}
@keyframes quayCham{to{rotate:360deg}}
.quy-dao .ray{position:absolute;inset:4%;border-radius:50%;border:2px dashed rgba(200,160,40,.45);animation:quay 40s linear infinite}
.quy-dao .ray2{position:absolute;inset:16%;border-radius:50%;border:1px solid rgba(200,160,40,.25)}
@keyframes quay{to{rotate:360deg}}
.nut-360{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px;border-radius:50%;background:#fff;border:2px solid var(--vang);display:grid;place-items:center;font-weight:800;font-size:24px;color:var(--nau);box-shadow:0 16px 30px -14px rgba(94,26,16,.6);transform:rotate(var(--g)) translate(calc(min(540px,90vw)/2.25)) rotate(calc(var(--g) * -1));cursor:pointer;transition:background .3s,color .3s,scale .3s}
.nut-360[aria-pressed="true"]{background:var(--nau);color:var(--vang);scale:1.12}
.buoc-360{display:flex;flex-direction:column;gap:10px}
.buoc-360 li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:12px;border-radius:16px;transition:background .3s}
.buoc-360 li.dang{background:#fff;box-shadow:0 20px 40px -30px rgba(36,19,15,.6)}
.buoc-360 b{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--kem2);color:var(--nau);font-weight:800}
.buoc-360 li.dang b{background:var(--nau);color:var(--vang)}
.buoc-360 span{font-size:15.5px;line-height:1.5;padding-top:9px}
.e5{margin-top:90px;position:relative}
.e5 ol{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;position:relative}
.e5 ol::before{content:"";position:absolute;left:4%;right:4%;top:36px;height:3px;background:linear-gradient(90deg,var(--vang),var(--ai),var(--vc));border-radius:3px}
.e5 li{position:relative;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.e5 li b{width:74px;height:74px;border-radius:22px;background:#fff;display:grid;place-items:center;font-size:26px;font-weight:800;color:var(--nau);box-shadow:0 18px 30px -18px rgba(94,26,16,.6);border:2px solid var(--vang)}
.e5 li strong{font-size:17px}
.e5 li span{font-size:14px;color:var(--nhat);line-height:1.5}
.ket-noi{margin-top:80px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center;background:linear-gradient(135deg,var(--nau),#2A0E08);color:#fff;border-radius:34px;padding:clamp(26px,4vw,48px);position:relative;overflow:hidden}
.ket-noi::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,212,71,.35),transparent 70%)}
.ket-noi ol{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.ket-noi li{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1)}
.ket-noi li b{color:var(--vang);font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.ket-noi li span{font-size:14.5px;color:#EEDFCB;line-height:1.5}

/* ===== HỆ THỐNG HỌC TẬP ===== */
.he-thong{padding-block:110px;background:var(--kem2);position:relative;overflow:hidden}
.he-thong .luoi{display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px;align-items:center;margin-top:40px}
.tab-ht{display:flex;flex-direction:column;gap:8px}
.tab-ht button{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:center;text-align:left;background:transparent;border:1px solid transparent;border-radius:16px;padding:12px 14px;color:var(--chu);transition:background .3s}
.tab-ht button b{display:block;font-size:15.5px}
.tab-ht button small{font-size:13px;color:var(--nhat);line-height:1.4;display:block}
.tab-ht button i{width:40px;height:40px;border-radius:12px;background:#fff;display:grid;place-items:center;font-style:normal;font-weight:800;color:var(--nau)}
.tab-ht button[aria-selected="true"]{background:#fff;border-color:var(--vien);box-shadow:0 20px 40px -30px rgba(36,19,15,.6)}
.tab-ht button[aria-selected="true"] i{background:var(--nau);color:var(--vang)}
.bo-may{position:relative;aspect-ratio:16/10.5;perspective:2000px}
.man{position:absolute;inset:0 0 auto 0;aspect-ratio:16/8.4;border-radius:16px;overflow:hidden;background:#fff;border:8px solid #1B1B22;box-shadow:0 50px 80px -40px rgba(36,19,15,.7);transition:transform .9s cubic-bezier(.2,.7,.2,1),opacity .9s,filter .9s;transform-origin:50% 100%}
.man img{width:100%;height:100%;object-fit:cover;object-position:top left}
.cong-cu{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px;align-items:center}
.cong-cu span{width:58px;height:58px;border-radius:16px;background:#fff;display:grid;place-items:center;box-shadow:0 14px 28px -20px rgba(36,19,15,.6);animation:troi 6s ease-in-out infinite}
.cong-cu span:nth-child(odd){animation-delay:-2s}.cong-cu span:nth-child(3n){animation-delay:-4s}
.cong-cu img{width:34px;height:34px;object-fit:contain}
.cong-cu em{font-style:normal;font-weight:700;color:var(--nhat);font-size:14px;margin-right:6px}

/* ===== LỘ TRÌNH 3D ===== */
.lo-trinh{position:relative;padding-block:110px 130px;background:radial-gradient(900px 500px at 70% 20%,rgba(255,212,71,.18),transparent 60%),#160806;color:#fff;overflow:hidden}
.tab-lt{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tab-lt button{border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff;border-radius:999px;padding:10px 18px;font-weight:800;font-size:14px;min-height:44px}
.tab-lt button[aria-selected="true"]{background:var(--vang);color:#2A1206;border-color:var(--vang)}
.cau-thang{position:relative;height:520px;margin-top:40px;perspective:1600px;perspective-origin:20% 0%}
.cau-thang .tg{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(52deg) rotateZ(-32deg) translate(-4%,10%)}
.bac{position:absolute;left:calc(var(--i) * 19%);bottom:calc(var(--i) * 15%);width:22%;height:150px;transform-style:preserve-3d;transform:translateZ(calc(var(--i) * 46px + 40px))}
.bac .mat-tren{position:absolute;inset:0;border-radius:14px;background:linear-gradient(135deg,#FFE9A3,#FFC21A);box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}
.bac .mat-truoc{position:absolute;left:0;right:0;top:100%;height:calc(var(--i) * 46px + 40px);background:linear-gradient(180deg,#B8860B,#5E1A10);transform-origin:top;transform:rotateX(-90deg);border-radius:0 0 14px 14px}
.bac .mat-ben{position:absolute;top:0;bottom:0;left:100%;width:calc(var(--i) * 46px + 40px);background:linear-gradient(90deg,#8E5B0A,#3A120B);transform-origin:left;transform:rotateY(90deg)}
.nhan-bac{position:absolute;left:calc(var(--i) * 19% + 1%);bottom:calc(var(--i) * 12% + 12%);width:min(250px,22%);z-index:3;background:rgba(20,7,5,.86);border:1px solid rgba(255,212,71,.4);border-radius:18px;padding:14px 16px;box-shadow:0 30px 60px -30px rgba(0,0,0,.8);transition:transform .6s,opacity .6s}
.nhan-bac small{display:block;color:var(--vang);font-weight:800;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase}
.nhan-bac b{display:block;font-size:16px;line-height:1.3;margin:4px 0}
.nhan-bac span{font-size:13px;color:#D8C9B6}
.nguoi{position:absolute;width:46px;height:46px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,#FFD447 40%,#C8A028);box-shadow:0 0 30px 10px rgba(255,212,71,.45);z-index:4;animation:leo 8s ease-in-out infinite}
@keyframes leo{0%{left:3%;bottom:6%}25%{left:22%;bottom:22%}50%{left:41%;bottom:38%}75%,100%{left:60%;bottom:54%}}

/* ===== HỌC VIÊN LÀM Ở ĐÂU ===== */
.lam-o-dau{position:relative;color:#fff;overflow:hidden;padding-block:110px 140px;isolation:isolate}
.lam-o-dau>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.lam-o-dau::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(20,7,5,.92),rgba(20,7,5,.78) 50%,rgba(20,7,5,.95))}
.tuong{margin-top:50px;perspective:1400px}
.tuong .nghieng{transform:rotateX(22deg) rotateZ(-4deg) scale(1.08);display:flex;flex-direction:column;gap:16px}
.hang-logo{display:flex;gap:16px;width:max-content;animation:troiNgang var(--t,70s) linear infinite}
.hang-logo.nguoc{animation-direction:reverse}
@keyframes troiNgang{to{transform:translateX(-50%)}}
.hang-logo span{width:180px;height:92px;flex:none;border-radius:18px;background:rgba(255,255,255,.95);display:grid;place-items:center;padding:14px;box-shadow:0 20px 40px -24px rgba(0,0,0,.8)}
.hang-logo img{max-height:56px;max-width:100%;object-fit:contain}
.lam-o-dau .noi{position:relative;z-index:2;margin-top:-30px;display:flex;justify-content:center}
.lam-o-dau .noi div{background:var(--kem);color:var(--muc);border-radius:22px;padding:18px 26px;display:flex;flex-wrap:wrap;gap:12px 30px;align-items:center;box-shadow:0 30px 60px -30px rgba(0,0,0,.8)}
.lam-o-dau .noi b{font-size:30px;font-weight:800;color:var(--nau)}

/* ===== FEEDBACK 3D ===== */
.feedback{position:relative;padding-block:110px;background:var(--kem);overflow:hidden}
.cf{position:relative;height:470px;margin-top:40px;perspective:1600px}
.cf-the{position:absolute;left:50%;top:0;width:min(520px,86vw);margin-left:calc(min(520px,86vw) / -2);min-height:400px;border-radius:30px;padding:34px;background:#fff;box-shadow:0 40px 80px -40px rgba(36,19,15,.55);display:flex;flex-direction:column;gap:18px;transition:transform .8s cubic-bezier(.2,.7,.2,1),opacity .8s,filter .8s;cursor:pointer}
.cf-the.giua{background:linear-gradient(160deg,#fff,#FFF6DD)}
.cf-the blockquote{font-family:var(--f-trich);font-size:clamp(19px,2vw,23px);line-height:1.5;color:var(--muc)}
.cf-the blockquote::before{content:"“";display:block;font-size:80px;line-height:.6;color:var(--vang-dam);height:36px}
.cf-the figcaption{margin-top:auto;display:flex;gap:14px;align-items:center}
.cf-the .av{width:58px;height:58px;border-radius:50%;object-fit:cover;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--nau);border:3px solid #fff;box-shadow:0 0 0 2px var(--vang)}
.cf-the b{display:block;font-size:16px}
.cf-the small{font-size:13.5px;color:var(--nhat);line-height:1.4;display:block}
.cf-the .loai{position:absolute;top:22px;right:24px;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:8px;background:var(--kem2);color:var(--nau)}
.cf-dk{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:14px}
.cf-dk button{width:48px;height:48px;border-radius:50%;border:1px solid var(--vien);background:#fff;display:grid;place-items:center}
.cf-dk .cham-cf{display:flex;gap:6px}
.cf-dk .cham-cf i{width:8px;height:8px;border-radius:50%;background:var(--vien);transition:width .3s}
.cf-dk .cham-cf i.dang{width:26px;border-radius:6px;background:var(--nau)}
.video-cn{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px}
.video-cn a{display:flex;gap:10px;align-items:center;padding:10px 16px 10px 10px;border-radius:999px;background:#fff;border:1px solid var(--vien);text-decoration:none;font-weight:700;font-size:14px}
.video-cn a i{width:34px;height:34px;border-radius:50%;background:#FF0033;display:grid;place-items:center;color:#fff;font-style:normal}

/* ===== DOANH NGHIỆP ===== */
.doanh-nghiep{position:relative;color:#fff;padding-block:120px;background:radial-gradient(1000px 600px at 80% 0%,rgba(227,179,65,.25),transparent 60%),linear-gradient(180deg,#1A1203,#0F0A02);overflow:hidden;border-radius:44px;margin-inline:clamp(0px,1.5vw,20px)}
.dn-luoi{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:50px;align-items:center}
.quat{position:relative;height:520px;perspective:1600px}
.quat figure{position:absolute;width:62%;border-radius:22px;overflow:hidden;box-shadow:0 50px 80px -40px rgba(0,0,0,.9);border:6px solid #fff;transition:transform .6s}
.quat figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.quat figcaption{position:absolute;left:10px;bottom:10px;background:rgba(15,10,2,.85);padding:6px 10px;border-radius:9px;font-size:12.5px;font-weight:700}
.quat figure:nth-child(1){left:0;top:40px;transform:rotate(-8deg) rotateY(12deg);z-index:1}
.quat figure:nth-child(2){left:20%;top:0;transform:rotate(3deg);z-index:3}
.quat figure:nth-child(3){right:0;top:150px;transform:rotate(9deg) rotateY(-12deg);z-index:2}
.quat:hover figure:nth-child(1){transform:rotate(-12deg) translate(-20px,10px)}
.quat:hover figure:nth-child(3){transform:rotate(12deg) translate(20px,10px)}
.quat .so-dn{position:absolute;left:4%;bottom:10px;z-index:5;background:var(--vang);color:#2A1206;border-radius:20px;padding:16px 20px;box-shadow:0 30px 50px -20px rgba(0,0,0,.7)}
.quat .so-dn b{display:block;font-size:40px;font-weight:800;line-height:1}
.chuong-trinh{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px}
.chuong-trinh div{border-radius:18px;padding:16px;background:rgba(255,255,255,.06);border:1px solid rgba(227,179,65,.35);display:flex;flex-direction:column;gap:6px}
.chuong-trinh .mat{color:var(--vang);font-size:11px}
.chuong-trinh span{font-size:14px;line-height:1.5;color:#EFE3C7}
.quy-trinh{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.quy-trinh span{display:flex;gap:8px;align-items:center;font-size:13.5px;font-weight:700;padding:8px 12px 8px 8px;border-radius:999px;background:rgba(255,255,255,.08)}
.quy-trinh i{width:24px;height:24px;border-radius:50%;background:var(--vang);color:#2A1206;display:grid;place-items:center;font-style:normal;font-weight:800;font-size:12px}
.song-logo{margin-top:70px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.song-logo .hang-logo span{width:160px;height:76px}
.case{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:40px}
.case a{border-radius:22px;overflow:hidden;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);text-decoration:none;display:flex;flex-direction:column}
.case img{aspect-ratio:16/9;object-fit:cover;width:100%}
.case div{padding:16px;display:flex;flex-direction:column;gap:6px}
.case small{color:var(--vang);font-weight:800;font-size:12px}
.case b{font-size:15.5px;line-height:1.4}

/* ===== ĐỐI TÁC + HÀNH TRÌNH ===== */
.doi-tac{padding-block:120px 60px;background:var(--kem)}
.dt-luoi{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:30px;margin-top:40px}
.dt-truong{position:relative;border-radius:30px;overflow:hidden;min-height:460px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
.dt-truong>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.dt-truong::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,7,5,0) 20%,rgba(20,7,5,.92) 80%);z-index:1}
.dt-truong .nd{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;gap:12px}
.dt-truong ul{display:flex;flex-wrap:wrap;gap:8px}
.dt-truong li{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 13px;font-size:13.5px;font-weight:700}
.dt-truong li em{font-style:normal;color:var(--vang);margin-left:6px}
.dt-phai{display:flex;flex-direction:column;gap:16px}
.dt-mou{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.dt-mou figure{position:relative;border-radius:22px;overflow:hidden}
.dt-mou img{aspect-ratio:4/3;object-fit:cover;width:100%}
.dt-mou figcaption{position:absolute;left:10px;right:10px;bottom:10px;background:rgba(20,7,5,.82);color:#fff;border-radius:12px;padding:8px 12px;font-size:13px}
.dt-mou figcaption b{color:var(--vang)}
.dt-chien-luoc{border-radius:22px;background:#fff;border:1px solid var(--vien);padding:20px;display:flex;flex-direction:column;gap:10px}
.hanh-trinh{margin-top:80px}
.ht-keo{overflow-x:auto;padding:30px var(--le) 40px;scroll-snap-type:x mandatory;cursor:grab;scrollbar-width:thin}
.ht-keo ol{display:flex;gap:18px;width:max-content;position:relative;padding-top:30px}
.ht-keo ol::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:linear-gradient(90deg,var(--nau),var(--vang),var(--vc),var(--tre))}
.ht-keo li{scroll-snap-align:start;width:290px;flex:none;position:relative;border-radius:22px;background:#fff;border:1px solid var(--vien);overflow:hidden;box-shadow:0 20px 40px -30px rgba(36,19,15,.5);transition:transform .3s}
.ht-keo li:hover{transform:translateY(-6px) rotate(-.6deg)}
.ht-keo li::before{content:"";position:absolute;top:-30px;left:24px;width:18px;height:18px;border-radius:50%;background:var(--c);box-shadow:0 0 0 6px var(--kem)}
.ht-keo li img{aspect-ratio:16/9;object-fit:cover;width:100%}
.ht-keo .nd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px}
.ht-keo .nd small{font-weight:800;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--c)}
.ht-keo .nd b{font-size:22px;font-weight:800;letter-spacing:-.02em}
.ht-keo .nd strong{font-size:16px;line-height:1.35}
.ht-keo .nd span{font-size:14px;color:var(--nhat);line-height:1.5}
.chu-giai{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;font-weight:700}
.chu-giai span{display:inline-flex;gap:6px;align-items:center}
.chu-giai i{width:10px;height:10px;border-radius:50%;background:var(--c)}

/* ===== TIN TỨC ===== */
.tin-tuc{padding-block:60px 110px;background:var(--kem)}
.tt-luoi{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px;margin-top:34px}
.tt-lon{position:relative;border-radius:28px;overflow:hidden;min-height:440px;display:flex;align-items:flex-end;color:#fff;text-decoration:none}
.tt-lon img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s}
.tt-lon:hover img{transform:scale(1.04)}
.tt-lon::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(20,7,5,.92));z-index:1}
.tt-lon div{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;gap:8px}
.tt-lon small{color:var(--vang);font-weight:800;font-size:12.5px}
.tt-lon b{font-size:clamp(20px,2.2vw,28px);line-height:1.25}
.tt-ds{display:flex;flex-direction:column;gap:12px}
.tt-ds a{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center;text-decoration:none;padding:10px;border-radius:18px;background:#fff;border:1px solid var(--vien);transition:transform .25s}
.tt-ds a:hover{transform:translateX(4px)}
.tt-ds img{width:130px;aspect-ratio:16/10;object-fit:cover;border-radius:12px}
.tt-ds small{color:var(--nau);font-weight:800;font-size:12px}
.tt-ds b{display:block;font-size:14.5px;line-height:1.4}

/* ===== HỆ SINH THÁI ===== */
.he-sinh-thai{padding-block:110px;background:#160806;color:#fff;position:relative;overflow:hidden}
.hst{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.hanh-tinh{position:relative;aspect-ratio:1;width:min(520px,100%);margin-inline:auto}
.hanh-tinh .loi{position:absolute;inset:34%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#8E2E1F,#3A120B);display:grid;place-items:center;box-shadow:0 0 80px 10px rgba(255,212,71,.25)}
.hanh-tinh .loi img{width:72%}
.hanh-tinh .quy{position:absolute;inset:0;border-radius:50%;border:1px dashed rgba(255,212,71,.35);animation:quay 60s linear infinite}
.hanh-tinh .quy span{position:absolute;left:50%;top:50%;width:120px;margin:-26px 0 0 -60px;transform:rotate(var(--g)) translate(calc(min(520px,90vw)/2.05)) rotate(calc(var(--g) * -1));}
.hanh-tinh .quy b{display:block;text-align:center;padding:10px 8px;border-radius:14px;background:var(--c);color:#fff;font-size:12.5px;line-height:1.25;box-shadow:0 14px 30px -14px rgba(0,0,0,.8);animation:quay 60s linear infinite reverse}
.hst-ds{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.hst-ds a{border-radius:18px;padding:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);text-decoration:none;display:flex;flex-direction:column;gap:4px}
.hst-ds b{font-size:16px}
.hst-ds span{font-size:13.5px;color:#D9C8B0}
.hst-ds em{font-style:normal;font-size:11px;font-weight:800;background:var(--vang);color:#2A1206;padding:2px 7px;border-radius:6px;margin-left:6px}

/* ===== FAQ + CTA + FOOTER ===== */
.faq{padding-block:110px;background:var(--kem)}
.faq .luoi{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:40px}
.faq details{border-bottom:1px solid var(--vien);padding:18px 0}
.faq summary{font-weight:800;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px}
.faq summary::after{content:"+";font-size:22px;color:var(--nau);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px;color:var(--nhat);line-height:1.7}
.cta{position:relative;color:#fff;padding-block:120px;overflow:hidden;isolation:isolate}
.cta>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(58,18,11,.96),rgba(58,18,11,.82))}
.cta .luoi{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:40px;align-items:center}
.form{background:var(--kem);color:var(--muc);border-radius:26px;padding:26px;display:flex;flex-direction:column;gap:14px;box-shadow:0 50px 80px -40px rgba(0,0,0,.8)}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:800;font-size:14px}
.form input,.form select{font:inherit;font-weight:400;font-size:16px;min-height:50px;padding:0 14px;border-radius:12px;border:1px solid #DCCBB0;background:#fff}
.form .bao-gui{font-size:14px;color:var(--nau);font-weight:700}
.chan{background:#0E0403;color:#CDBBA3;font-size:14px;padding-block:64px 30px}
.chan .luoi{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:30px}
.chan b{color:#fff;display:block;margin-bottom:8px}
.chan a{display:block;text-decoration:none;color:#CDBBA3;padding:3px 0}
.chan a:hover{color:var(--vang)}
.chan .cuoi{border-top:1px solid #2A1712;margin-top:40px;padding-top:20px;font-size:13px;color:#9C8A74}

/* Hiện dần khi cuộn: chỉ dịch chuyển, nội dung luôn hiển thị */
.len{transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.len.cho{transform:translateY(28px)}

/* ===== TABLET ===== */
@media (max-width:1080px){
  .hero-luoi{grid-template-columns:minmax(0,1fr)}
  .so-lieu .khung{grid-template-columns:repeat(3,minmax(0,1fr))}
  .so-lieu .o:nth-child(4){border-left:0}
  .so-lieu .o:nth-child(n+4){border-top:1px solid var(--vien)}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .b1,.b2,.b3,.b4,.b5,.b6{grid-column:span 1;grid-row:auto}
  .b1{grid-column:span 2}
  .vong-360,.dn-luoi,.dt-luoi,.tt-luoi,.hst,.faq .luoi,.cta .luoi,.ket-noi,.vi-sao .dau{grid-template-columns:minmax(0,1fr)}
  .he-thong .luoi{grid-template-columns:minmax(0,1fr)}
  .tab-ht{flex-direction:row;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .tab-ht button{min-width:240px;scroll-snap-align:start}
  .chan .luoi{grid-template-columns:repeat(2,1fr)}
  .e5 ol{grid-template-columns:repeat(5,minmax(160px,1fr));overflow-x:auto;padding-bottom:10px}
}
/* ===== MOBILE: như app ===== */
@media (max-width:720px){
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .hero-luoi{padding-block:36px 140px}
  .hero h1{font-size:clamp(34px,10vw,46px)}
  .tim{flex-direction:column}
  .tim .nut{width:100%}
  .so-lieu{margin-top:-100px}
  .so-lieu .khung{grid-template-columns:repeat(2,minmax(0,1fr))}
  .so-lieu .o{padding:16px;border-left:1px solid var(--vien)!important;border-top:1px solid var(--vien)}
  .so-lieu .o:nth-child(odd){border-left:0!important}
  .so-lieu .o:nth-child(-n+2){border-top:0}
  .so-lieu .o:last-child{grid-column:span 2;border-left:0!important}
  .san-khau{height:auto;perspective:none;margin-inline:calc(var(--le) * -1)}
  .san-khau .vong{position:static;display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px var(--le) 20px}
  .the-mang{position:relative;left:auto;top:auto;margin:0;flex:none;width:78vw;height:440px;transform:none!important;opacity:1!important;filter:none!important;scroll-snap-align:center}
  .dieu-khien{display:none}
  .luoi-khoa{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(var(--le) * -1);padding:6px var(--le) 18px;gap:14px}
  .kh{flex:none;width:82vw;scroll-snap-align:center;transform:none!important}
  .loc{flex-wrap:nowrap;overflow-x:auto;margin-inline:calc(var(--le) * -1);padding-inline:var(--le)}
  .loc button{flex:none}
  .bento{grid-template-columns:minmax(0,1fr)}
  .b1{grid-column:auto}
  .ba-thay{grid-template-columns:1fr;gap:70px;margin-top:80px}
  .cot{transform:none}
  .nut-360{width:58px;height:58px;margin:-29px;font-size:18px;transform:rotate(var(--g)) translate(41vw) rotate(calc(var(--g) * -1))}
  .cau-thang{height:auto;perspective:none}
  .cau-thang .tg{display:none}
  .nhan-bac{position:relative;left:auto!important;bottom:auto!important;width:auto;margin-bottom:10px;margin-left:calc(var(--i) * 14px)}
  .nguoi{display:none}
  .tuong .nghieng{transform:rotateX(14deg) scale(1)}
  .hang-logo span{width:132px;height:72px}
  .cf{height:520px}
  .cf-the{padding:26px}
  .quat{height:360px}
  .chuong-trinh,.case,.dt-mou,.hst-ds{grid-template-columns:minmax(0,1fr)}
  .case{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-inline:calc(var(--le) * -1);padding-inline:var(--le)}
  .case a{flex:none;width:80vw;scroll-snap-align:center}
  .tt-ds a{grid-template-columns:100px 1fr}
  .tt-ds img{width:100px}
  .ket-noi li{grid-template-columns:minmax(0,1fr)}
  .chan .luoi{grid-template-columns:minmax(0,1fr)}
  .hanh-tinh .quy span{width:96px;margin:-22px 0 0 -48px;transform:rotate(var(--g)) translate(40vw) rotate(calc(var(--g) * -1))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  
}

/* ===== Bậc thang 3D (bản dựng theo khối, nhãn luôn khớp bậc) ===== */
.cau-thang{height:auto;perspective:1400px;perspective-origin:50% -20%}
.cau-thang .tg{position:relative;transform:rotateX(10deg);transform-style:preserve-3d;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:end;min-height:520px;padding-top:30px}
.bac2{display:flex;flex-direction:column;gap:14px;animation:moc .9s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(var(--i) * .12s)}
@keyframes moc{from{transform:translateY(40px)}to{transform:none}}
.nhan2{background:rgba(255,255,255,.07);border:1px solid rgba(255,212,71,.35);border-radius:18px;padding:14px 16px;box-shadow:0 30px 50px -30px rgba(0,0,0,.9)}
.nhan2 small{display:block;color:var(--vang);font-weight:800;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase}
.nhan2 b{display:block;font-size:17px;line-height:1.3;margin:4px 0}
.nhan2 span{font-size:13.5px;color:#D8C9B6}
.khoi{position:relative;height:calc(70px + var(--i) * 80px)}
.khoi .mt{position:absolute;left:0;right:0;top:-26px;height:30px;background:linear-gradient(90deg,#FFE9A3,#FFC21A);transform:skewX(-38deg);transform-origin:bottom left;border-radius:6px 6px 0 0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.5)}
.khoi .mtr{position:absolute;inset:0;border-radius:0 0 14px 14px;background:linear-gradient(180deg,#C8A028 0%,#8E2E1F 55%,#3A120B 100%);box-shadow:0 40px 60px -30px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.35)}
.khoi .mtr::after{content:"";position:absolute;top:0;bottom:0;right:-24px;width:24px;background:linear-gradient(180deg,#8A6A0B,#24100A);transform:skewY(-52deg);transform-origin:top left;border-radius:0 0 6px 0}
.nguoi2{position:absolute;width:40px;height:40px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,#FFD447 45%,#C8A028);box-shadow:0 0 34px 12px rgba(255,212,71,.45);left:8%;bottom:96px;animation:leo2 9s ease-in-out infinite;z-index:3}
@keyframes leo2{0%,8%{left:9%;bottom:78px}25%,33%{left:34%;bottom:158px}50%,58%{left:59%;bottom:238px}75%,100%{left:84%;bottom:318px}}
@media (max-width:720px){
  .cau-thang .tg{grid-template-columns:1fr;transform:none;min-height:0;gap:10px}
  .khoi{display:none}
  .bac2{margin-left:calc(var(--i) * 16px)}
  .nguoi2{display:none}
}

.doi-tuong{display:flex;flex-wrap:wrap;gap:8px}
.doi-tuong span{font-size:14px;font-weight:700;padding:7px 13px;border-radius:999px;background:rgba(255,212,71,.14);border:1px solid rgba(255,212,71,.4);color:#FFE7A0}
@media (max-width:720px){
  .hero-luoi{padding-block:30px 130px}
}
main{overflow-x:clip}

@keyframes troi{50%{translate:0 -10px}}
/* ===== Header thật của site: chừa chỗ, không đè ===== */
.cs-hdr{z-index:100}
/* ===== HERO mới ===== */
.hero{position:relative;color:#fff;background:radial-gradient(1100px 600px at 80% 20%,#3A140C 0%,transparent 60%),radial-gradient(800px 500px at 0% 100%,#1B0F38 0%,transparent 60%),#120604;overflow:hidden;isolation:isolate}
.hero::before,.hero::after{content:none}
.hero-luoi{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:center;padding-block:clamp(48px,6vw,84px) clamp(140px,12vw,170px)}
.hero-phai{display:none;min-width:0}
.hero[data-mau="1"] .mau-1,.hero[data-mau="2"] .mau-2,.hero[data-mau="3"] .mau-3{display:block}
.tin-moi{align-self:flex-start;display:inline-flex;gap:10px;align-items:center;padding:6px 14px 6px 6px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);text-decoration:none;font-size:13.5px;font-weight:600;color:#F3E6D2}
.tin-moi b{background:var(--vang);color:#2A1206;border-radius:999px;padding:3px 10px;font-size:12px}
.hero h1{font-size:clamp(40px,5.4vw,76px)}
/* Mẫu 1: tường ảnh 3D */
.tuong-anh{position:relative;height:600px;perspective:1300px;-webkit-mask-image:linear-gradient(180deg,transparent,#000 12%,#000 88%,transparent),linear-gradient(90deg,transparent,#000 14%);mask-image:linear-gradient(180deg,transparent,#000 12%,#000 88%,transparent);margin-right:calc(var(--le) * -1)}
.tuong-xoay{position:absolute;inset:-20% -10% -20% 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;transform:rotateX(22deg) rotateY(-18deg) rotateZ(6deg);transform-style:preserve-3d}
.cot-anh{display:flex;flex-direction:column;gap:16px;animation:troiDoc var(--t,46s) linear infinite}
.cot-anh:nth-child(2){animation-direction:reverse}
@keyframes troiDoc{to{transform:translateY(-50%)}}
.cot-anh figure{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 50px -24px rgba(0,0,0,.85);border:1px solid rgba(255,255,255,.14)}
.cot-anh img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cot-anh figure.doc img{aspect-ratio:3/4}
.cot-anh figcaption{position:absolute;left:8px;bottom:8px;font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:8px;background:rgba(18,6,4,.82);color:#fff}
.cot-anh figcaption i{font-style:normal;color:var(--vang);margin-right:5px}
/* Mẫu 2: ba cửa sổ */
.ba-cua{display:flex;gap:12px;height:540px}
.cua{position:relative;flex:1;border-radius:26px;overflow:hidden;text-decoration:none;color:#fff;transition:flex .7s cubic-bezier(.2,.7,.2,1);box-shadow:0 40px 70px -40px rgba(0,0,0,.9);border:1px solid rgba(255,255,255,.14)}
.cua.dang{flex:4}
.cua img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s}
.cua.dang img{transform:scale(1.04)}
.cua::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,6,4,.1) 30%,rgba(18,6,4,.9))}
.cua .nhan-doc{position:absolute;left:50%;bottom:28px;z-index:2;writing-mode:vertical-rl;transform:translateX(-50%) rotate(180deg);font-weight:800;font-size:17px;letter-spacing:.04em;white-space:nowrap;transition:opacity .3s}
.cua.dang .nhan-doc{opacity:0}
.cua .nd{position:absolute;left:26px;right:26px;bottom:26px;z-index:2;display:flex;flex-direction:column;gap:8px;opacity:0;transform:translateY(12px);transition:opacity .5s .15s,transform .5s .15s}
.cua.dang .nd{opacity:1;transform:none}
.cua .nd small{color:var(--vang);font-weight:800;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
.cua .nd b{font-size:26px;line-height:1.15}
.cua .nd em{font-style:normal;font-weight:700;font-size:14px;color:#F3E6D2}
/* Mẫu 3: AI tư vấn */
.ai-tv{border-radius:24px;background:#0F1328;border:1px solid #2A3360;box-shadow:0 50px 90px -40px rgba(124,92,255,.55);overflow:hidden;display:flex;flex-direction:column;height:540px}
.ai-dau{display:flex;gap:8px;align-items:center;padding:14px 18px;background:#141A36;border-bottom:1px solid #232B55;font:600 13px/1 "JetBrains Mono",monospace;color:#9AA3CF}
.ai-dau i{width:11px;height:11px;border-radius:50%;background:#FF5F57}.ai-dau i:nth-child(2){background:#FEBC2E}.ai-dau i:nth-child(3){background:#28C840;margin-right:8px}
.ai-than{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
.bong{max-width:88%;padding:12px 15px;border-radius:16px;font-size:14.5px;line-height:1.55}
.bong.ai{background:#1C2347;color:#E6E9FF;border-bottom-left-radius:4px}
.bong.ban{align-self:flex-end;background:linear-gradient(135deg,#FFE27A,#FFC21A);color:#2A1206;font-weight:700;border-bottom-right-radius:4px}
.bong .goi{display:grid;gap:8px;margin-top:10px}
.bong .goi a{display:grid;grid-template-columns:88px 1fr;gap:10px;align-items:center;padding:8px;border-radius:12px;background:#0F1328;text-decoration:none;color:#fff;border:1px solid #2A3360}
.bong .goi img{width:88px;aspect-ratio:16/9;object-fit:cover;border-radius:8px}
.bong .goi b{font-size:13.5px;line-height:1.3;display:block}
.bong .goi small{font-size:12px;color:#9AA3CF}
.ai-chon{display:flex;flex-wrap:wrap;gap:8px;padding:14px 18px;border-top:1px solid #232B55;background:#0C1024}
.ai-chon button{border:1px solid #3A4372;background:#151C3B;color:#E6E9FF;border-radius:999px;padding:9px 14px;font-size:13px;font-weight:700;min-height:40px}
.ai-chon button:hover{border-color:var(--vang);color:#fff}
.go3{display:inline-flex;gap:4px}.go3 u{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.4;animation:goCham 1.2s infinite;text-decoration:none}
.go3 u:nth-child(2){animation-delay:.2s}.go3 u:nth-child(3){animation-delay:.4s}
/* Chọn mẫu (chỉ bản xem thử) */
.chon-mau{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:90;display:flex;gap:6px;align-items:center;flex-wrap:wrap;background:#1B0906;color:#fff;border-radius:16px;padding:8px;box-shadow:0 20px 40px -16px rgba(0,0,0,.7);font-size:12.5px;max-width:calc(100vw - 32px)}
.chon-mau span{padding:0 6px;font-weight:800;color:var(--vang)}
.chon-mau button{border:1px solid #4A2A22;background:#2A120D;color:#F3E6D2;border-radius:10px;padding:7px 10px;font-weight:700;font-size:12.5px;min-height:36px}
.chon-mau button[aria-pressed="true"]{background:var(--vang);color:#2A1206;border-color:var(--vang)}
/* ===== Thẻ khoá: cả thẻ là link ===== */
a.kh{text-decoration:none;color:inherit}
.kh .xem-ct{margin-top:6px;display:flex;justify-content:space-between;align-items:center;min-height:44px;padding:0 14px;border-radius:12px;background:var(--muc);color:#fff;font-weight:800;font-size:14px;transition:background .25s}
a.kh:hover .xem-ct{background:var(--nau)}
.kh .anh{background:#120604}
/* ===== Vì sao (ít chữ) ===== */
.vi-sao{padding-block:100px}
.vs-dau{display:flex;flex-direction:column;gap:12px;max-width:820px}
.vs-luoi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:40px}
.vs{position:relative;border-radius:26px;padding:20px 22px 22px;background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:6px;text-decoration:none;color:#fff;transition:transform .3s,border-color .3s}
a.vs:hover,.vs:hover{transform:translateY(-4px);border-color:rgba(255,212,71,.5)}
.vs b{font-size:19px;line-height:1.25}
.vs span{font-size:14px;color:#CDBBA6}
.vs .hinh{height:170px;border-radius:18px;margin-bottom:12px;background:rgba(0,0,0,.25);display:grid;place-items:center;overflow:hidden;position:relative}
.ba-icon{display:flex!important;justify-content:center;align-items:flex-end;gap:6px}
.ba-icon img{width:30%;max-width:110px;animation:troi 5s ease-in-out infinite;filter:drop-shadow(0 16px 18px rgba(200,140,10,.4))}
.ba-icon img:nth-child(2){animation-delay:-1.6s;width:36%}.ba-icon img:nth-child(3){animation-delay:-3.2s}
.chat-mini{display:flex!important;flex-direction:column;justify-content:center;gap:8px;padding:14px}
.chat-mini i{font-style:normal;font-size:13px;padding:8px 12px;border-radius:14px;max-width:85%}
.chat-mini .q{align-self:flex-end;background:#2E2560}
.chat-mini .a{background:rgba(255,255,255,.12)}
.chat-mini .go u{display:inline-block;width:6px;height:6px;margin:0 2px;border-radius:50%;background:#fff;opacity:.4;animation:goCham 1.2s infinite}
.chat-mini .go u:nth-child(2){animation-delay:.2s}.chat-mini .go u:nth-child(3){animation-delay:.4s}
.code-mini pre{margin:0;font:500 15px/1.8 "JetBrains Mono",monospace;color:#CDD3F2;padding:16px 20px;border-radius:14px;background:#0F1328;border:1px solid #2A3360}
.code-mini .k{color:#C9BCFF}.code-mini .s{color:#FFD447}.code-mini .ok{color:#37E08A;animation:nhapNhay 2.4s infinite}
@keyframes nhapNhay{0%,40%{opacity:0}50%,100%{opacity:1}}
.vong-diem svg{width:130px;height:130px;transform:rotate(-90deg)}
.vong-diem circle{fill:none;stroke:rgba(255,255,255,.12);stroke-width:12}
.vong-diem circle.day{stroke:url(#gv);stroke:#FFC21A;stroke-linecap:round;stroke-dasharray:302;stroke-dashoffset:302;animation:dayVong 3.2s ease-in-out infinite alternate}
@keyframes dayVong{to{stroke-dashoffset:50}}
.vong-diem>b{position:absolute;font-size:24px;color:var(--vang)}
.may-logo{display:grid!important;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px}
.may-logo img{width:100%;height:58px;object-fit:contain;background:#fff;border-radius:10px;padding:8px;animation:troi 6s ease-in-out infinite}
.may-logo img:nth-child(even){animation-delay:-3s}
.phat-lai{display:flex!important;flex-direction:column;justify-content:center;gap:12px;padding:16px}
.phat-lai .khung-vd{display:block;width:100%;height:96px;border-radius:12px;background:url(/trang-chu/assets/anh/bc-lop-q3.webp) center/cover;position:relative}
.phat-lai .khung-vd i{position:absolute;left:50%;top:50%;width:44px;height:44px;margin:-22px;border-radius:50%;background:rgba(255,255,255,.9)}
.phat-lai .khung-vd i::after{content:"";position:absolute;left:17px;top:13px;border-left:14px solid #5E1A10;border-top:9px solid transparent;border-bottom:9px solid transparent}
.phat-lai .thanh{display:block;height:6px;border-radius:6px;background:rgba(255,255,255,.15);overflow:hidden}
.phat-lai .thanh u{display:block;height:100%;width:30%;background:var(--vang);animation:chayThanh 6s linear infinite}
@keyframes chayThanh{from{width:4%}to{width:100%}}
/* ===== Bậc thang có khoá bấm được ===== */
.nhan2{display:flex;flex-direction:column;gap:6px}
.nhan2 a{display:flex;justify-content:space-between;gap:8px;align-items:center;text-decoration:none;color:#fff;font-weight:700;font-size:14.5px;padding:9px 11px;border-radius:12px;background:rgba(255,212,71,.1);border:1px solid rgba(255,212,71,.3);transition:background .2s}
.nhan2 a:hover{background:var(--vang);color:#2A1206}
.nhan2 a em{font-style:normal;font-weight:600;font-size:12px;opacity:.75;white-space:nowrap}
.lt-cuoi{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:30px;padding:18px 22px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.lt-cuoi b{color:var(--vang)}
/* ===== Hệ sinh thái: ô bấm thẳng ===== */
.hst-luoi{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:14px;margin-top:36px}
.hst-o{position:relative;display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:22px;background:linear-gradient(160deg,var(--c),#160806 85%);border:1px solid rgba(255,255,255,.14);text-decoration:none;color:#fff;min-height:200px;overflow:hidden;transition:transform .3s,border-color .3s}
.hst-o:hover{transform:translateY(-5px);border-color:var(--vang)}
.hst-o img{position:absolute;right:-20px;bottom:-20px;width:58%;opacity:.35;border-radius:18px;transform:rotate(-8deg)}
.hst-o b{font-size:20px;position:relative}
.hst-o span{font-size:14px;color:#E8D9C6;position:relative;max-width:30ch}
.hst-o em{margin-top:auto;font-style:normal;font-weight:800;font-size:14px;color:var(--vang);display:flex;gap:6px;align-items:center;position:relative}
.hst-o.sap{opacity:.75;cursor:default}
/* ===== Hiệu năng: dừng hoạt ảnh khi khối nằm ngoài màn hình ===== */
.ngung,.ngung *,.ngung *::before,.ngung *::after{animation-play-state:paused!important}
main>section:not(.hero){content-visibility:auto;contain-intrinsic-size:auto 900px}
@media (max-width:1080px){
  .hero-luoi{grid-template-columns:minmax(0,1fr);padding-block:40px 150px}
  .tuong-anh,.ba-cua,.ai-tv{height:440px}
  .tuong-anh{margin-right:0}
  .vs-luoi{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .tuong-anh{height:320px}
  .ba-cua{height:380px;gap:8px}
  .cua.dang{flex:5}
  .cua .nd b{font-size:20px}
  .ai-tv{height:470px}
  .vs-luoi{grid-template-columns:minmax(0,1fr)}
  .vs .hinh{height:140px}
  .chon-mau{bottom:calc(84px + env(safe-area-inset-bottom,0px));left:8px;right:8px}
  .chon-mau span{width:100%}
}
.hero:not(.chay) .cot-anh{animation-play-state:paused}

/* ===== 5 mảng: lưới phẳng, hiện hết ===== */
.luoi-mang{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:36px}
.luoi-mang .the-mang{position:relative;left:auto;top:auto;margin:0;width:auto;height:440px;transform:none;opacity:1;transition:transform .35s ease,box-shadow .35s ease}
.luoi-mang .the-mang:hover{transform:translateY(-6px);box-shadow:0 50px 80px -40px rgba(36,19,15,.8)}
.luoi-mang .the-mang:hover>img{transform:scale(1.1)}
.luoi-mang .the-mang strong{font-size:22px}
.luoi-mang .the-mang p{font-size:13.5px}
.luoi-mang .the-mang .nd{padding:20px}
.luoi-mang .the-mang .bieu{width:52px;height:52px;border-radius:16px;top:16px;right:16px;transform:none}
.luoi-mang .the-mang .bieu svg{width:26px;height:26px}
/* ===== 360: ảnh 360 thật + ảnh lớp, doanh nghiệp ===== */
.vong-360{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center}
.hub-360{position:relative;padding:20px}
.nen-anh{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;gap:10px;opacity:.16;border-radius:40px;overflow:hidden;-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 35%,transparent 72%);mask-image:radial-gradient(circle at 50% 50%,#000 35%,transparent 72%)}
.nen-anh img{width:100%;height:100%;object-fit:cover}
.quy-dao{position:relative;width:min(560px,100%);aspect-ratio:1;margin-inline:auto;--r:calc(min(560px,100vw - 48px) / 2 - 46px)}
.anh-360{position:absolute;inset:15%;width:70%;height:70%;object-fit:contain;filter:drop-shadow(0 30px 40px rgba(180,120,10,.35))}
.bong-360{position:absolute;left:50%;top:50%;width:92px;height:92px;margin:-46px;padding:0;border:0;background:none;border-radius:50%;transform:rotate(var(--g)) translate(var(--r)) rotate(calc(var(--g) * -1));cursor:pointer}
.bong-360 span{display:block;position:relative;width:100%;height:100%;border-radius:50%;overflow:hidden;border:4px solid #fff;box-shadow:0 14px 30px -12px rgba(94,26,16,.7),0 0 0 2px rgba(200,160,40,.45);transition:transform .35s,box-shadow .35s}
.bong-360 img{width:100%;height:100%;object-fit:cover}
.bong-360 i{position:absolute;right:-2px;bottom:-2px;width:30px;height:30px;border-radius:50%;background:var(--nau);color:var(--vang);font-style:normal;font-weight:800;font-size:14px;display:grid;place-items:center;border:2px solid #fff}
.bong-360[aria-pressed="true"] span{transform:scale(1.22);box-shadow:0 20px 40px -12px rgba(94,26,16,.8),0 0 0 4px var(--vang)}
.ben-360{display:flex;flex-direction:column;gap:16px}
.khung-360{position:relative;margin:0;border-radius:24px;overflow:hidden;aspect-ratio:16/10;background:#1B0906;box-shadow:0 40px 60px -36px rgba(36,19,15,.7)}
.khung-360 img{width:100%;height:100%;object-fit:cover;animation:hienAnh .6s ease}
@keyframes hienAnh{from{opacity:.3;transform:scale(1.03)}to{opacity:1;transform:none}}
.khung-360 figcaption{position:absolute;left:14px;bottom:14px;display:flex;gap:10px;align-items:center;background:rgba(20,7,5,.86);color:#fff;font-weight:700;font-size:14px;padding:8px 14px 8px 8px;border-radius:12px}
.khung-360 figcaption b{width:28px;height:28px;border-radius:50%;background:var(--vang);color:#2A1206;display:grid;place-items:center}
.buoc-360{gap:2px}
.buoc-360 li{grid-template-columns:32px 1fr;gap:10px;padding:7px 10px;border-radius:12px;cursor:pointer}
.buoc-360 b{width:32px;height:32px;border-radius:10px;font-size:14px}
.buoc-360 span{font-size:14.5px;padding-top:5px}
/* ===== Bản đồ lộ trình (gọn trong một màn hình) ===== */
.lo-trinh{padding-block:80px}
.ban-do{margin-top:28px}
.bd-dau{display:grid;grid-template-columns:200px repeat(4,minmax(0,1fr));gap:12px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#C9B79C;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.18)}
.tuyen{display:grid;grid-template-columns:200px minmax(0,1fr);align-items:center;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.ten-tuyen{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px}
.ten-tuyen::before{content:"";width:14px;height:14px;border-radius:50%;background:var(--c);box-shadow:0 0 0 5px color-mix(in srgb,var(--c) 25%,transparent);flex:none}
.ray-tuyen{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:center}
.ray-tuyen::before{content:"";position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;border-radius:4px;background:var(--c);transform-origin:left;transform:scaleX(0);transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}
.ve .ray-tuyen::before{transform:scaleX(1)}
.tram{position:relative;z-index:1;display:flex;flex-direction:column;gap:6px}
.tram a{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 12px;border-radius:12px;background:#22110C;border:1.5px solid var(--c);color:#fff;text-decoration:none;font-size:13.5px;box-shadow:0 10px 24px -14px rgba(0,0,0,.8);transition:transform .2s,background .2s,color .2s}
.tram a:hover{background:var(--c);color:#1A0B06;transform:translateY(-2px)}
.tram a b{font-weight:700;line-height:1.25}
.tram a small{font-size:12px;opacity:.75;white-space:nowrap}
.lo-trinh .lt-cuoi{margin-top:22px}
@media (max-width:1080px){
  .luoi-mang{grid-template-columns:repeat(3,minmax(0,1fr))}
  .luoi-mang .the-mang{height:380px}
  .vong-360{grid-template-columns:minmax(0,1fr)}
  .bd-dau{grid-template-columns:150px repeat(4,minmax(0,1fr))}
  .tuyen{grid-template-columns:150px minmax(0,1fr)}
}
@media (max-width:720px){
  .luoi-mang{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .luoi-mang .the-mang{height:300px}
  .luoi-mang .the-mang:last-child{grid-column:span 2;height:240px}
  .luoi-mang .the-mang p{display:none}
  .luoi-mang .the-mang strong{font-size:18px}
  .quy-dao{--r:calc(50vw - 56px)}
  .bong-360{width:62px;height:62px;margin:-31px}
  .bong-360 i{width:22px;height:22px;font-size:11px}
  .bd-dau{display:none}
  .tuyen{grid-template-columns:minmax(0,1fr)}
  .ray-tuyen{grid-template-columns:repeat(4,minmax(150px,1fr));overflow-x:auto;padding-bottom:6px}
}

/* ===== Bản chạy thật: chỉ mẫu đầu trang 1 ===== */
.hero .mau-1{display:block}
/* ===== Dải kêu gọi tư vấn ===== */
.dai-cta{background:linear-gradient(90deg,#5E1A10,#8E2E1F 55%,#B8860B);color:#fff}
.dai-cta-trong{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:space-between;align-items:center;padding-block:26px}
.dai-cta-trong>div:first-child{display:flex;flex-direction:column;gap:4px;max-width:720px}
.dai-cta-trong b{font-size:clamp(19px,2vw,24px);line-height:1.25}
.dai-cta-trong span{font-size:15px;color:#F6E2CC}
.dai-cta-nut{display:flex;flex-wrap:wrap;gap:10px}
.nut-vien-sang{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.nut-vien-sang:hover{background:rgba(255,255,255,.12)}
/* ===== Form tư vấn có captcha ===== */
.form-tc .form-dau{font-size:19px;font-weight:800}
.form-tc .form-dau b{color:var(--nau)}
.form-tc .o{display:flex;flex-direction:column;gap:6px}
.form-tc .o label{font-weight:800;font-size:14px}
.form-tc .o label em{font-style:normal;font-weight:500;color:var(--nhat)}
.form-tc .o input.co-loi,.form-tc .o select.co-loi{border-color:#C0392B;box-shadow:0 0 0 3px rgba(192,57,43,.15)}
.form-tc .loi-o{color:#B03A2E;font-size:13px;min-height:0}
.form-tc .loi-o:empty{display:none}
.form-tc .captcha-de-bai{color:var(--nau)}
.form-tc .dk-bao{margin:0;font-size:14.5px;font-weight:700;padding:12px 14px;border-radius:12px}
.form-tc .dk-loi-bao{background:#FDECEA;color:#9B2C22}
.form-tc .dk-tot{background:#E6F6EC;color:#1E6B3C}
.form-tc .form-cam-ket{display:flex;gap:6px;align-items:center;font-size:13px;color:var(--nhat);margin:0}
.form-tc .form-cam-ket svg{color:#1E8E4E}
.loi-ich{display:flex;flex-direction:column;gap:10px}
.loi-ich li{display:flex;gap:10px;align-items:flex-start;font-size:16px;color:#F6E7D4}
.loi-ich svg{flex:none;color:var(--vang);margin-top:3px}
.lien-he-nhanh{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.lien-he-nhanh a{display:inline-flex;gap:8px;align-items:center;min-height:46px;padding:0 16px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;text-decoration:none;font-weight:700}
.lien-he-nhanh a:hover{background:rgba(255,255,255,.22)}
/* ===== Footer: tư vấn viên + mạng xã hội ===== */
.chan{background:#0E0403;color:#CDBBA3;font-size:14px;padding-block:60px 30px}
.chan-tren{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;padding-bottom:36px;border-bottom:1px solid #2A1712}
.chan-gioi-thieu{display:flex;flex-direction:column;gap:8px;line-height:1.6}
.chan-gioi-thieu img{width:170px;margin-bottom:8px}
.chan-gioi-thieu b{color:#FFF3C4}
.mxh{display:flex;gap:10px;margin-top:8px}
.mxh a{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#1E0E0A;border:1px solid #3A2018;color:#F3E6D2;transition:background .2s,color .2s}
.mxh a:hover{background:var(--vang);color:#2A1206}
.chan-tieu-de{display:block;color:#fff;font-size:16px;margin-bottom:12px}
.chan-tu-van ul{display:flex;flex-direction:column;gap:10px}
.chan-tu-van li{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:10px 12px;border-radius:14px;background:#1A0A07;border:1px solid #2E1913}
.tv-ten b{display:block;color:#fff;font-size:15px}
.tv-ten small{font-size:14px;color:#E6C980;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tv-nut{display:inline-flex;gap:6px;align-items:center;min-height:42px;padding:0 14px;border-radius:10px;font-weight:800;font-size:13.5px;text-decoration:none}
.tv-nut.zalo{background:#0068FF;color:#fff}
.tv-nut.goi{background:#1E8E4E;color:#fff}
.tv-nut:hover{filter:brightness(1.1)}
.chan-lien-ket{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-top:30px}
.chan-lien-ket b{display:block;color:#fff;margin-bottom:8px}
.chan-lien-ket a{display:block;color:#CDBBA3;text-decoration:none;padding:4px 0}
.chan-lien-ket a:hover{color:var(--vang)}
.chan .cuoi{margin-top:28px;font-size:13px;color:#9C8A74}
/* ===== Nút liên hệ nổi (máy tính; điện thoại dùng thanh đáy của menu) ===== */
.noi-lien-he{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.noi-cta{background:linear-gradient(135deg,#FFE27A,#FFC21A);color:#2A1206;font-weight:800;font-size:14px;text-decoration:none;padding:12px 18px;border-radius:999px;box-shadow:0 14px 30px -12px rgba(0,0,0,.5);animation:nhayNhe 3s ease-in-out infinite}
@keyframes nhayNhe{0%,85%,100%{transform:none}90%{transform:translateY(-4px)}95%{transform:translateY(0)}}
.noi-nut{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 12px 26px -10px rgba(0,0,0,.55)}
.noi-nut.zalo{background:#0068FF}.noi-nut.mess{background:#7B4DFF}.noi-nut.goi{background:#1E8E4E}
@media (max-width:1080px){.chan-tren{grid-template-columns:minmax(0,1fr)}.chan-lien-ket{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){
  .noi-lien-he{display:none}
  .dai-cta-nut,.dai-cta-nut .nut{width:100%}
  .chan-tu-van li{grid-template-columns:1fr auto auto}
  .tv-nut{padding:0 10px}
  .chan-lien-ket{grid-template-columns:minmax(0,1fr)}
  .chan{padding-bottom:90px}
}
@media (prefers-reduced-motion:reduce){.noi-cta{animation:none}}

.chan .chan-gioi-thieu b{display:inline;margin:0}
.chan .tv-nut{display:inline-flex;padding:0 14px;color:#fff}
.chan .tv-nut svg{flex:none}
.chan .mxh a{display:grid;padding:0}
.noi-lien-he{transition:opacity .3s,transform .3s}
.noi-lien-he.an{opacity:0;transform:translateY(20px);pointer-events:none}