:root{--nau:#995E43;--nau80:#AD7E69;--nau40:#D6BFB4;--nau20:#EBDFD9;--hong:#E3AF95;--hong40:#F4DFD5;--hong20:#F9EFEA;--chu:#333;--nen:#FFFCFA}
*{box-sizing:border-box}body{margin:0;font-family:'Source Sans 3',sans-serif;color:var(--chu);background:var(--nen)}
header{background:#fff;border-bottom:1px solid var(--nau20);position:sticky;top:0;z-index:5}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.top{display:flex;align-items:center;gap:16px;height:68px}.top img{height:58px}
.top nav{margin-left:auto;display:flex;gap:6px}.top nav a{padding:8px 14px;border-radius:999px;text-decoration:none;color:var(--nau);font-weight:600;font-size:15px}
.top nav a.on{background:var(--nau);color:#fff}
.hero{background:linear-gradient(135deg,var(--hong20),var(--hong40));padding:44px 0 36px;position:relative;overflow:hidden}
.hero h1{margin:0;color:var(--nau);font-size:38px;font-weight:800;letter-spacing:.5px}
.hero p{margin:8px 0 22px;font-size:17px;color:#5b4337;max-width:640px}
.dot{position:absolute;border-radius:50%;background:var(--hong);opacity:.35}
.search{display:flex;align-items:center;background:#fff;border:2px solid var(--nau20);border-radius:14px;padding:4px 6px 4px 16px;max-width:620px;box-shadow:0 6px 20px rgba(153,94,67,.08)}
.search input{flex:1;border:0;outline:0;font:inherit;font-size:17px;padding:10px 6px;background:transparent}
.search span{color:var(--nau80);font-size:20px}
.stats{display:flex;gap:28px;margin-top:22px;color:var(--nau);font-weight:600}.stats b{font-size:26px;display:block;font-weight:800}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 8px}
.chip{border:1.5px solid var(--nau40);background:#fff;color:var(--nau);border-radius:999px;padding:7px 14px;font:inherit;font-weight:600;font-size:15px;cursor:pointer}
.chip.on{background:var(--nau);border-color:var(--nau);color:#fff}.chip small{opacity:.75;margin-left:4px}
h2.nh{color:var(--nau);font-size:20px;font-weight:800;margin:30px 0 12px;display:flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.6px}
h2.nh:after{content:"";flex:1;height:1px;background:var(--nau20)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--nau20);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:10px;transition:.15s}
.card:hover{box-shadow:0 10px 26px rgba(153,94,67,.12);transform:translateY(-2px);border-color:var(--hong)}
.ch{display:flex;gap:12px;align-items:flex-start}
.ma{flex:none;min-width:52px;height:52px;border-radius:14px;background:var(--hong20);color:var(--nau);display:grid;place-items:center;font-weight:800;font-size:17px;border:1.5px solid var(--hong40)}
.ten{font-weight:700;font-size:17px;line-height:1.3;color:#3a2a22}
.meta{font-size:13.5px;color:#8a7468;margin-top:3px}
.moi{background:var(--hong);color:#fff;font-size:11.5px;font-weight:700;border-radius:999px;padding:2px 8px;margin-left:6px;vertical-align:2px}
.dc{font-size:13.5px;color:#6b5549;background:var(--hong20);border-radius:8px;padding:6px 10px}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.b{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;font-size:14px;border-radius:10px;padding:8px 12px;border:1.5px solid var(--nau40);color:var(--nau);background:#fff}
.b.p{background:var(--nau);border-color:var(--nau);color:#fff}.b:hover{border-color:var(--nau)}
footer{margin:50px 0 0;padding:26px 0;border-top:1px solid var(--nau20);color:#8a7468;font-size:14px}
.empty{display:none;color:#8a7468;padding:30px 0}
@media(max-width:600px){.hero h1{font-size:28px}.top nav{display:none}.grid{grid-template-columns:1fr}}
.top nav a{white-space:nowrap}
.sec{margin:34px 0 0}
.sec h2{color:var(--nau);font-size:22px;font-weight:800;margin:0 0 6px;text-transform:uppercase;letter-spacing:.6px}
.sec .lead{margin:0 0 16px;color:#6b5549;font-size:16px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.box{background:#fff;border:1px solid var(--nau20);border-radius:16px;padding:18px}
.box h3{margin:0 0 6px;color:#3a2a22;font-size:17px}.box p{margin:0;font-size:15px;color:#5b4337;line-height:1.45}
.ico{width:40px;height:40px;border-radius:12px;background:var(--hong20);border:1.5px solid var(--hong40);display:grid;place-items:center;color:var(--nau);font-weight:800;margin-bottom:10px}
.set{display:flex;flex-direction:column;gap:8px}.set .st{font-size:13px;font-weight:700;border-radius:999px;padding:3px 10px;align-self:flex-start}
.st.on{background:var(--nau);color:#fff}.st.off{background:var(--nau20);color:#8a7468}
.set.dim{opacity:.7}
.step{display:flex;gap:14px;align-items:flex-start}.num{flex:none;width:34px;height:34px;border-radius:50%;background:var(--nau);color:#fff;display:grid;place-items:center;font-weight:800}
.path{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;position:relative}
.pn{background:#fff;border:1.5px solid var(--nau40);border-radius:14px;padding:14px 12px;position:relative}
.pn b{display:block;color:var(--nau);font-size:26px;font-weight:800}.pn .t{font-weight:700;color:#3a2a22;font-size:15px}.pn .d{font-size:13.5px;color:#6b5549;margin-top:6px;line-height:1.4}
.pn:not(:last-child):after{content:"›";position:absolute;right:-12px;top:40%;color:var(--nau);font-size:24px;font-weight:800}
.lich{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--nau20);border-radius:16px;overflow:hidden;font-size:15px}
.lich th{background:var(--nau);color:#fff;text-align:left;padding:10px 14px}.lich td{padding:10px 14px;border-top:1px solid var(--nau20);vertical-align:top}
.lich td:first-child{font-weight:700;color:var(--nau);white-space:nowrap}
.tag{display:inline-block;background:var(--hong20);border:1px solid var(--hong40);color:var(--nau);font-weight:700;border-radius:8px;padding:1px 7px;margin:2px 3px 2px 0;font-size:13.5px}
.chain{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14.5px}.chain span.k{background:#fff;border:1.5px solid var(--hong);border-radius:10px;padding:6px 10px}.chain i{color:var(--nau);font-style:normal;font-weight:800}
.must li{margin:0 0 8px;font-size:15.5px;line-height:1.45}.must{margin:0;padding-left:20px}
.note{background:var(--hong20);border-left:4px solid var(--hong);border-radius:8px;padding:10px 14px;font-size:14.5px;color:#5b4337;margin-top:14px}
.toc{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.toc a{background:#fff;border:1.5px solid var(--nau40);color:var(--nau);font-weight:700;text-decoration:none;border-radius:999px;padding:7px 14px;font-size:15px}
html{scroll-behavior:smooth;scroll-padding-top:84px}
a{color:var(--nau)}
.top>a{display:flex}
.top nav a.sap{color:#b9a59a;cursor:default}
.mn{display:none;margin-left:auto;border:1.5px solid var(--nau40);background:#fff;color:var(--nau);border-radius:10px;font-size:22px;padding:4px 12px}
.toc a.dam{background:var(--nau);color:#fff;border-color:var(--nau)}
.nho{display:block;color:var(--nau);font-size:13px;letter-spacing:.6px;margin-bottom:8px}
.pn{text-decoration:none}.pn:hover{border-color:var(--nau)}
.tag{text-decoration:none}.tag:hover{background:var(--nau);color:#fff}
.tag.cho,.k.cho{border-style:dashed;border-color:var(--nau40);color:#a8948a;background:#fff}
.chain{margin-top:10px}.chain a.k{text-decoration:none;color:#3a2a22}.chain a.k:hover{border-color:var(--nau)}
.bang{overflow-x:auto}
textarea{width:100%;margin-top:10px;border:1.5px solid var(--nau40);border-radius:10px;padding:10px;font:inherit;height:120px}
button.b{cursor:pointer;font:inherit;font-weight:700;font-size:15px}
.card{text-decoration:none;color:inherit;cursor:pointer}
/* trang tài liệu */
.bc{font-size:14.5px;color:#8a7468;margin:18px 0 10px}.bc a{text-decoration:none;font-weight:600}
.dh{display:flex;gap:16px;align-items:center;margin-bottom:6px}.dh .ma{min-width:64px;height:64px;font-size:20px}
.dh h1{margin:0;color:#3a2a22;font-size:30px;font-weight:800;line-height:1.2}.dh .meta{font-size:15px}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--nau20);margin:20px 0 0;overflow-x:auto;position:sticky;top:68px;background:var(--nen);z-index:4}
.tabs a{padding:12px 18px;font-weight:700;color:#8a7468;text-decoration:none;border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap;font-size:16px}
.tabs a.on{color:var(--nau);border-color:var(--nau)}
.tabs a span{background:var(--hong);color:#fff;border-radius:999px;font-size:12px;padding:1px 7px;margin-left:6px}
.v,.slides.v{display:none}.v.on{display:block}.slides.v.on{display:flex}.read.v.on{display:grid}.vd.v.on{display:grid}
.read{grid-template-columns:240px 1fr;gap:24px;margin-top:22px}
.side{position:sticky;top:140px;align-self:start;background:#fff;border:1px solid var(--nau20);border-radius:14px;padding:14px}
.side a{display:block;padding:6px 8px;border-radius:8px;color:#5b4337;text-decoration:none;font-size:14.5px}.side a:hover{background:var(--hong20);color:var(--nau)}
.side .zz{border-top:1px solid var(--nau20);margin-top:10px;padding-top:10px;display:flex;flex-direction:column;gap:8px}.side .zz a{justify-content:center}.side .zz a.p{color:#fff}
.pages,.slides{display:flex;flex-direction:column;gap:18px;align-items:center;background:var(--nau20);border-radius:14px;padding:22px}
.slides{margin-top:22px}
.pages img{width:100%;max-width:760px;box-shadow:0 6px 20px rgba(80,40,20,.15);border-radius:4px;background:#fff}
.slides img{width:100%;max-width:980px;box-shadow:0 6px 20px rgba(80,40,20,.15);border-radius:6px;background:#fff}
.vd{grid-template-columns:1fr 300px;gap:20px;margin-top:22px}.vd video{width:100%;border-radius:14px;background:#000}
.chap a{display:flex;gap:10px;padding:9px 10px;border-radius:8px;color:#5b4337;text-decoration:none;font-size:15px;cursor:pointer}.chap a b{color:var(--nau);min-width:42px}.chap a:hover{background:var(--hong20)}
.quiz{max-width:820px;margin:22px auto 0}
.res{background:#fff;border:2px solid var(--hong);border-radius:16px;padding:20px;display:flex;gap:20px;align-items:center;margin-bottom:6px}
.res .big{font-size:44px;font-weight:800;color:var(--nau);line-height:1}.res .ok{background:#4f7a45;color:#fff;border-radius:999px;padding:3px 12px;font-weight:700;font-size:14px}.res .ko{background:#c0533a;color:#fff;border-radius:999px;padding:3px 12px;font-weight:700;font-size:14px}
.qq{background:#fff;border:1px solid var(--nau20);border-radius:14px;padding:16px 18px;margin-top:14px}
.qq .n{color:var(--nau);font-weight:800;font-size:14px}.qq .t{font-weight:700;font-size:17px;margin:4px 0 10px;color:#3a2a22}
.op{display:flex;gap:10px;align-items:center;border:1.5px solid var(--nau20);border-radius:10px;padding:9px 12px;margin-top:7px;font-size:15.5px;cursor:pointer;background:#fff;width:100%;text-align:left;font-family:inherit;color:inherit}
.op i{width:18px;height:18px;border-radius:50%;border:2px solid var(--nau40);flex:none}
.op:hover{border-color:var(--nau40)}
.op.chon{border-color:var(--nau)}.op.chon i{background:var(--nau);border-color:var(--nau)}
.op.dung{border-color:#4f7a45;background:#eef5ec}.op.dung i{background:#4f7a45;border-color:#4f7a45}
.op.sai{border-color:#c0533a;background:#fbece8}.op.sai i{background:#c0533a;border-color:#c0533a}
.xong .op{cursor:default}
.gt{margin-top:10px;font-size:14.5px;background:var(--hong20);border-radius:8px;padding:8px 12px;color:#5b4337}.gt a{font-weight:700}
.ten{display:flex;gap:10px;margin-top:8px}.ten input{flex:1;border:1.5px solid var(--nau40);border-radius:10px;padding:10px 12px;font:inherit;min-width:0}
.hang{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
@media(max-width:860px){.read{grid-template-columns:1fr}.side{display:none}.vd{grid-template-columns:1fr}.g3,.g2{grid-template-columns:1fr}.path{grid-template-columns:repeat(2,1fr)}.pn:after{display:none}}
@media(max-width:600px){.mn{display:block}.top nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px;border-bottom:1px solid var(--nau20)}
body.mo .top nav{display:flex}.top{position:relative}.wrap{padding:0 16px}.dh h1{font-size:23px}.pages,.slides{padding:8px;gap:10px}
.res{flex-direction:column;align-items:flex-start}.tabs{top:68px}.tabs a{padding:10px 12px;font-size:15px}.lich{font-size:14px}.lich td,.lich th{padding:8px}.grid{grid-template-columns:1fr}.hero h1{font-size:26px}}
@media print{header,.tabs,.side,.bc,footer,.dh{display:none!important}.read.v.on{display:block}.pages{background:none;padding:0;gap:0}.pages img{box-shadow:none;max-width:100%;page-break-after:always}}
/* Bố cục mới (Ly duyệt 27/10/2026): một điểm nhìn chính mỗi trang, phần phụ gập lại */
:root{--phu:#7A6A62;--nau10:#F5EEEA}
.ma2{display:inline-block;min-width:46px;text-align:center;font-weight:800;font-size:14px;padding:3px 8px;border-radius:6px;background:var(--nau10);color:var(--nau);text-decoration:none}
.nhan{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--phu)}
.o-tim{display:flex;align-items:center;gap:10px;background:#fff;border:2px solid var(--nau20);border-radius:14px;padding:4px 16px;box-shadow:0 8px 24px rgba(153,94,67,.07)}
.o-tim span{color:var(--nau80);font-size:20px}.o-tim input{flex:1;border:0;outline:0;font:inherit;font-size:17px;padding:12px 0;background:transparent}
/* trang chủ */
.hm{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:64px 20px 36px}
.hm .chao{color:var(--nau);font-weight:700;font-size:18px;margin-bottom:10px}
.hm h1{margin:0;font-size:50px;line-height:1.1;font-weight:800;color:#2E2622;letter-spacing:-.5px}
.hm p{font-size:20px;color:var(--phu);margin:16px 0 28px;max-width:520px}
.chonvai{background:#fff;border:1px solid var(--nau20);border-radius:20px;padding:26px}
.chonvai h2{margin:0 0 4px;font-size:22px;color:#2E2622}.chonvai .mo{color:var(--phu);font-size:15px;margin-bottom:16px}
.vai{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:12px;margin-bottom:6px;text-decoration:none;color:#2E2622}
.vai .ic{width:40px;height:40px;border-radius:10px;background:var(--nau10);display:flex;align-items:center;justify-content:center;font-size:19px}
.vai b{font-size:18px}.vai span{margin-left:auto;font-size:14px;color:var(--phu)}
.vai.on{background:var(--nau);color:#fff}.vai.on .ic{background:rgba(255,255,255,.18)}.vai.on span{color:#fff;font-weight:700}
.vai.sap{opacity:.5}
.moi-cn .dau{display:flex;align-items:baseline;margin:10px 0 14px}.moi-cn h2{margin:0;font-size:22px;color:#2E2622}
.moi-cn .dau a{margin-left:auto;color:var(--nau);font-weight:700;text-decoration:none;font-size:15px}
.dsach{background:#fff;border:1px solid var(--nau20);border-radius:16px}
.dsach .tld{display:flex;align-items:center;gap:16px;padding:15px 22px;border-top:1px solid var(--nau10);text-decoration:none;color:#2E2622}
.dsach .tld:first-child{border-top:0}.dsach .tld:hover{background:var(--hong20)}
.dsach .tld .tlt{font-weight:600;font-size:17px}.dsach .tld .nd{margin-left:auto;color:var(--phu);font-size:14px;white-space:nowrap}
/* tab Leader */
.ld{display:grid;grid-template-columns:220px 1fr;gap:48px;padding:36px 20px 0}
.ld aside{position:sticky;top:84px;align-self:start}
.ld aside .nhan{margin:0 0 8px 12px}
.ld aside a{display:flex;justify-content:space-between;padding:8px 12px;border-radius:8px;color:#2E2622;text-decoration:none;font-weight:600;font-size:16px}
.ld aside a span{color:var(--phu);font-weight:400}.ld aside a:hover,.ld aside a.on{background:var(--nau10);color:var(--nau)}
.ld aside hr{border:0;border-top:1px solid var(--nau20);margin:12px 0}
.ld h1{margin:0;font-size:40px;font-weight:800;color:#2E2622;letter-spacing:-.3px}
.ld .mota{color:var(--phu);font-size:18px;margin:6px 0 20px}
.batdau{background:var(--nau);color:#fff;border-radius:20px;padding:28px 32px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin:28px 0 44px}
.batdau .nhan{color:#F4D6C7}.batdau h2{color:#fff;font-size:28px;margin:6px 0}.batdau p{margin:0;color:#F7E6DD;font-size:17px}
.batdau .nut{display:flex;flex-direction:column;gap:10px}
.batdau a{display:block;text-align:center;padding:12px 22px;border-radius:10px;font-weight:700;text-decoration:none;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.batdau a.c{background:#fff;color:var(--nau);border-color:#fff}
.muc{margin-bottom:44px;scroll-margin-top:84px}.muc>h2{margin:0 0 4px;font-size:24px;color:#2E2622}.muc>.lead{color:var(--phu);margin:0 0 18px}
.ngay{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--nau20);border-radius:16px;overflow:hidden}
.moc{padding:20px;border-left:1px solid var(--nau10)}.moc:first-child{border-left:0;background:var(--hong20)}
.moc .gio{font-weight:800;color:var(--nau);font-size:14px;letter-spacing:.04em}.moc b{display:block;font-size:18px;margin:4px 0 10px;color:#2E2622}
.moc .ma2{margin:0 4px 6px 0}
.dinhky{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.dinhky a{background:#fff;border:1px solid var(--nau20);border-radius:999px;padding:6px 14px;font-size:15px;color:#2E2622;text-decoration:none}.dinhky b{color:var(--nau)}
.nhom{margin-top:24px;scroll-margin-top:84px}.nhom h3{margin:0 0 8px;font-size:15px;font-weight:800;color:var(--nau);letter-spacing:.06em;text-transform:uppercase}
.tlh{display:grid;grid-template-columns:64px 1fr 120px auto;align-items:center;gap:14px;padding:13px 20px;border-top:1px solid var(--nau10);color:#2E2622;text-decoration:none}
.dsach .tlh:first-child{border-top:0}.tlh:hover{background:var(--hong20)}
.tlh .tlt{font-weight:600}.tlh .pb{color:var(--phu);font-size:14px}
.tlh .nutn{display:flex;gap:6px;justify-content:flex-end}.tlh .nutn span{font-size:13px;font-weight:700;padding:4px 10px;border-radius:6px;background:var(--nau10);color:var(--nau)}
.tlh .moi{margin-left:8px}
details.gap{background:#fff;border:1px solid var(--nau20);border-radius:12px;margin-bottom:10px}
details.gap summary{list-style:none;cursor:pointer;padding:16px 20px;font-weight:700;display:flex;justify-content:space-between;color:#2E2622}
details.gap summary::-webkit-details-marker{display:none}details.gap summary:after{content:"＋";color:var(--phu);font-weight:400}
details.gap[open] summary:after{content:"－"}details.gap .ben{padding:0 20px 18px}
details.gap .g3,details.gap .g2{margin-top:4px}
@media(max-width:900px){.hm{grid-template-columns:1fr;gap:28px;padding-top:36px}.hm h1{font-size:36px}
 .ld{grid-template-columns:1fr;gap:0;padding-top:20px}.ld aside{position:static;display:flex;gap:6px;overflow-x:auto;margin-bottom:18px}
 .ld aside .nhan,.ld aside hr{display:none}.ld aside a{white-space:nowrap;background:var(--nau10);gap:6px}
 .batdau{grid-template-columns:1fr;padding:22px}.ngay{grid-template-columns:1fr 1fr}.moc:nth-child(3){border-left:0}
 .tlh{grid-template-columns:56px 1fr;row-gap:6px}.tlh .pb{display:none}.tlh .nutn{grid-column:2;justify-content:flex-start}}
@media(max-width:600px){.ld h1{font-size:30px}.hm h1{font-size:30px}.ngay{grid-template-columns:1fr}.moc{border-left:0;border-top:1px solid var(--nau10)}}
.tlh .tlt,.tld .tlt{display:block}.tlh .moi,.tld .moi{display:inline-block;white-space:nowrap}
/* Tab Leader phân luồng theo vai trò (Ly 27/10/2026) */
.lv{max-width:960px;padding-top:36px}
.lv h1{margin:4px 0 0;font-size:38px;font-weight:800;color:#2E2622;letter-spacing:-.3px}
.lv .mota{color:var(--phu);font-size:18px;margin:8px 0 24px}
.lv section.v{display:none}
.lui{display:inline-block;color:var(--nau);font-weight:700;text-decoration:none;margin-bottom:18px;font-size:15px}
.ds-vai{display:grid;gap:14px}
.the-vai{display:flex;align-items:center;gap:20px;background:#fff;border:1.5px solid var(--nau20);border-radius:18px;padding:24px 26px;text-decoration:none;color:#2E2622;transition:.15s}
.the-vai:hover{border-color:var(--nau);box-shadow:0 8px 24px rgba(153,94,67,.1)}
.the-vai .ic{width:56px;height:56px;border-radius:14px;background:var(--nau);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;flex:none}
.the-vai b{font-size:22px}.the-vai p{margin:4px 0 0;color:var(--phu)}.the-vai>span{margin-left:auto;font-size:24px;color:var(--nau)}
.tabs-nh{display:flex;flex-wrap:wrap;gap:2px 4px;margin:22px 0 20px;padding-bottom:4px;border-bottom:1px solid var(--nau20)}
@media(max-width:700px){.tabs-nh{flex-wrap:nowrap;overflow-x:auto}}
.tabs-nh a{white-space:nowrap;padding:10px 12px;font-weight:700;color:var(--phu);text-decoration:none;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-5px}
.tabs-nh a.on{color:var(--nau);border-bottom-color:var(--nau)}
.pn-t{display:none}.pn-t>.lead{color:var(--phu);margin:0 0 14px}
.ds-goi{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.the-goi{background:#fff;border:1.5px solid var(--nau20);border-radius:18px;padding:22px 24px;text-decoration:none;color:#2E2622;display:flex;flex-direction:column}
.the-goi:hover{border-color:var(--nau)}.the-goi .sg{font-weight:800;color:var(--nau);font-size:14px;letter-spacing:.06em;text-transform:uppercase}
.the-goi b{font-size:22px;margin:4px 0}.the-goi p{margin:0 0 14px;color:var(--phu)}.the-goi span{margin-top:auto;font-weight:700;color:var(--nau)}
.buoc3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 0}
.buoc3 strong{font-size:17px}.buoc3 p{margin:6px 0 0;color:var(--phu);line-height:1.5}
.buoc3 div{background:var(--hong20);border-radius:14px;padding:14px 16px;font-size:15.5px}.buoc3 b{display:inline-flex;width:26px;height:26px;border-radius:50%;background:var(--nau);color:#fff;align-items:center;justify-content:center;margin-right:8px;font-size:14px}
.tlh .so{display:none}.lv .tlh{grid-template-columns:64px 1fr 120px auto}
.lv .dsach .tlh.cho{color:var(--phu)}.ma2.cho{background:#fff;border:1.5px dashed var(--nau40);color:#a8948a}
.g-goi{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.o-tt{background:#fff;border:1px solid var(--nau20);border-radius:14px;padding:18px 20px}.o-tt p{margin:4px 0 0}.o-tt ul{margin:6px 0 0;padding-left:20px}
.doc-truoc{display:flex;align-items:center;gap:20px;background:var(--nau);color:#fff;border-radius:18px;padding:22px 26px;margin-bottom:30px}
.doc-truoc .nhan{color:#F4D6C7}.doc-truoc b{font-size:20px}.doc-truoc p{margin:4px 0 0;color:#F7E6DD}
.doc-truoc a{margin-left:auto;background:#fff;color:var(--nau);font-weight:700;padding:12px 20px;border-radius:10px;text-decoration:none;white-space:nowrap}
.chang{margin:30px 0 12px;font-size:20px;color:#2E2622}
.buoc-lt{list-style:none;margin:0;padding:0;position:relative}
.buoc-lt li{display:flex;gap:18px;padding-bottom:18px;position:relative}
.buoc-lt li:not(:last-child):before{content:"";position:absolute;left:23px;top:48px;bottom:0;border-left:2px solid var(--nau20)}
.mlt{width:48px;height:48px;border-radius:50%;background:var(--nau);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
.nd-lt{flex:1;background:#fff;border:1px solid var(--nau20);border-radius:14px;padding:16px 20px}
.dau-lt{display:flex;gap:12px;align-items:baseline}.dau-lt b{font-size:18px}.dau-lt span{margin-left:auto;color:var(--nau);font-weight:700;font-size:14px;white-space:nowrap}
.nd-lt p{margin:6px 0 10px;color:#4a3d36}.tl-lt{margin-bottom:8px}.tl-lt .nhan{margin-right:6px}.tl-lt .ma2{margin:0 4px 4px 0}
.dat-lt{background:var(--hong20);border-radius:10px;padding:10px 12px;font-size:15.5px}.kem-lt{color:var(--phu);font-size:14px;margin-top:8px}
@media(max-width:700px){.lv h1{font-size:30px}.ds-goi,.g-goi,.buoc3{grid-template-columns:1fr}.the-vai{padding:18px}.the-vai .ic{width:46px;height:46px}
 .doc-truoc{flex-direction:column;align-items:flex-start}.doc-truoc a{margin-left:0}.lv .tlh{grid-template-columns:56px 1fr}.dau-lt{flex-direction:column;gap:2px}.dau-lt span{margin-left:0}}
.phu{color:var(--phu)}.o-tt ul{margin:6px 0 0;padding-left:20px}.o-tt li{margin-bottom:4px}
/* Leader tập sự: học theo thứ tự, khóa bài */
.tien-do{margin:4px 0 14px}.td-chu{font-size:15px;color:var(--phu);margin-bottom:6px}.td-chu b{color:var(--nau)}
.td-thanh{height:8px;border-radius:99px;background:var(--nau10);overflow:hidden}.td-thanh i{display:block;height:100%;background:var(--nau);border-radius:99px}
.dsach.hoc .tlh.khoa{opacity:.55;cursor:not-allowed;background:#faf6f3}.dsach.hoc .tlh.dang{background:var(--hong20)}
.dsach.hoc .tt span{background:none!important;padding:0!important;font-size:14px!important}
.dsach.hoc .tt .ok{color:#2f7a4b!important}.dsach.hoc .tt .hoc-ngay{color:var(--nau)!important}.dsach.hoc .tt .kh{color:var(--phu)!important}
/* Slide: từng trang một, bấm Tiếp */
.sl-khung{width:100%;max-width:980px;cursor:pointer;user-select:none}.sl-khung img{display:none}.sl-khung img.on{display:block;width:auto;max-width:100%;max-height:calc(100vh - 150px);margin:0 auto}
.sl-nut{display:flex;align-items:center;justify-content:center;gap:16px;width:100%;max-width:980px}
.sl-nut #sl-so{font-weight:700;color:var(--nau);min-width:70px;text-align:center}.sl-nut .b{min-width:130px;text-align:center}.sl-nut .b:disabled{opacity:.4;cursor:default}
/* Leader tập sự trên trang tài liệu */
.ts-ban{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;background:var(--hong20);border:1px solid var(--hong40);border-radius:12px;padding:12px 16px;margin:18px 0 6px;font-size:15px}
.ts-ban a{color:var(--nau);font-weight:700;text-decoration:none}.ts-ban .ts-b{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.ts-ban .ts-b i{font-style:normal;font-size:13px;font-weight:700;padding:4px 10px;border-radius:99px;background:#fff;color:var(--phu)}.ts-ban .ts-b i.on{background:#2f7a4b;color:#fff}
.khoa-bai{text-align:center;padding:40px 20px;margin-top:20px}.khoa-bai b{font-size:20px;display:block;margin:6px 0}.khoa-bai p{color:var(--phu)}
@media(max-width:700px){.ts-ban .ts-b{margin-left:0}.sl-nut .b{min-width:0;flex:1}}
/* Quản lý chuỗi: chặng thu gọn */
details.chg{background:#fff;border:1px solid var(--nau20);border-radius:16px;margin-bottom:14px}
details.chg>summary{list-style:none;cursor:pointer;display:flex;gap:16px;align-items:center;padding:18px 22px}
details.chg>summary::-webkit-details-marker{display:none}
details.chg>summary b{font-size:20px;display:block;margin:2px 0 4px}details.chg>summary p{margin:0;color:var(--phu)}
details.chg>summary:after{content:"＋";margin-left:8px;font-size:22px;color:var(--nau);font-weight:700}details.chg[open]>summary:after{content:"－"}
.nhan-tk{margin-left:auto;white-space:nowrap;font-size:13px;font-weight:700;padding:4px 12px;border-radius:99px;background:var(--nau10);color:var(--phu)}.nhan-tk.chinh{background:var(--nau);color:#fff}
details.chg.chinh{border-color:var(--nau40)}details.chg>*:not(summary){margin:0 22px 20px}
.bang-c1{overflow-x:auto}.bang-c1 table{border-collapse:collapse;width:100%;font-size:15px}.bang-c1 th{text-align:left;color:var(--phu);font-size:13px;border-bottom:1px solid var(--nau20);padding:8px}
.bang-c1 td{border-bottom:1px solid var(--nau10);padding:10px 8px;vertical-align:top}
.nut-lt{display:flex;justify-content:space-between;gap:10px;margin-top:22px}
/* Việc theo giờ */
.vtg{background:#fff;border:1px solid var(--nau20);border-radius:16px;padding:18px 22px;margin-bottom:16px}
.vtg-d{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--nau10)}.vtg .nhan+.vtg-d{border-top:0}
.vtg-g{font-weight:800;color:var(--nau)}.vtg-n b{font-size:17px}.vtg-n p{margin:2px 0 0;color:var(--phu);font-size:15px}
.vtg-tl{display:flex;flex-direction:column;gap:4px;margin-top:8px}.tl-g{display:flex;gap:10px;align-items:center;color:#2E2622;text-decoration:none;font-size:15.5px}
.tl-g:hover{color:var(--nau)}.tl-g.cho{color:#a8948a}.tl-g .ma2{min-width:52px;text-align:center}
@media(max-width:700px){.vtg-d{grid-template-columns:1fr;gap:4px}details.chg>summary{flex-wrap:wrap}.nhan-tk{margin-left:0}}
/* Việc theo giờ: nhóm và mốc đều thu gọn */
details.vtg{padding:0}details.vtg>summary,details.vtg-d>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px}
details.vtg>summary::-webkit-details-marker,details.vtg-d>summary::-webkit-details-marker{display:none}
details.vtg>summary{padding:18px 22px}details.vtg>summary b{font-size:19px}details.vtg>summary p{margin:2px 0 0;color:var(--phu);font-size:15px}
details.vtg>summary:after,details.vtg-d>summary:after{content:"＋";margin-left:auto;color:var(--nau);font-weight:700;font-size:20px}
details.vtg[open]>summary:after,details.vtg-d[open]>summary:after{content:"－"}
details.vtg-d{display:block;margin:0 22px;padding:0;border-top:1px solid var(--nau10)}details.vtg-d:last-child{margin-bottom:8px}
details.vtg-d>summary{padding:14px 0}details.vtg-d>summary .vtg-g{min-width:150px}details.vtg-d>summary b{font-size:16.5px}
.vtg-so{color:var(--phu);font-size:14px;margin-left:auto}details.vtg-d>summary:after{margin-left:10px;font-size:17px}
details.vtg-d .vtg-n{padding:0 0 14px 164px}.vtg-n p{margin:0 0 4px}
@media(max-width:700px){details.vtg-d>summary{flex-wrap:wrap;gap:4px 10px}details.vtg-d>summary .vtg-g{min-width:0;width:100%}details.vtg-d .vtg-n{padding-left:0}details.vtg-d{margin:0 16px}}
details.chg>summary>div,details.vtg>summary>div{flex:1;min-width:0}
@media(max-width:700px){details.vtg-d>summary b{flex:1}details.vtg-d>summary .vtg-so{display:none}}

/* Video: nút tua, tốc độ (Ly yêu cầu 27/10) */
.vd-nut{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}.vd-nut .b{padding:8px 14px;font-size:15px;cursor:pointer;font-family:inherit}.vd-tdo{display:flex;gap:6px;align-items:center;margin-left:auto;color:var(--phu);font-size:14px;font-weight:600}.vd-tdo .b{padding:6px 10px}.vd-tdo .b.on{background:var(--nau);color:#fff;border-color:var(--nau)}
@media(max-width:560px){.vd-tdo{margin-left:0}}
/* Tài khoản: góc người đăng nhập trên thanh đầu trang, trang Tài khoản, ô thêm/sửa (Ly duyệt mẫu 27/10/2026) */
.ban-tk{position:relative;margin-left:10px}
.ban-nut{display:flex;align-items:center;gap:8px;padding:4px 12px 4px 4px;border:1px solid var(--nau20);border-radius:999px;background:#fff;font:inherit;font-size:14px;color:var(--chu);cursor:pointer;white-space:nowrap}
.ban-nut .av{width:30px;height:30px;border-radius:50%;background:var(--hong40);color:var(--nau);font-weight:800;display:flex;align-items:center;justify-content:center}
.ban-nut .mui{color:var(--phu);font-size:11px}
.ban-mn{display:none;position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--nau20);border-radius:14px;box-shadow:0 12px 32px rgba(46,38,34,.14);min-width:230px;padding:6px;z-index:20}
.ban-tk.mo .ban-mn{display:block}
.ban-mn .bm-e{padding:10px 12px;border-bottom:1px solid var(--nau20);margin-bottom:4px;font-weight:700;font-size:14.5px;word-break:break-all}.ban-mn .bm-e small{display:block;font-weight:400;color:var(--phu)}
.ban-mn a{display:block;padding:10px 12px;border-radius:10px;color:var(--chu);text-decoration:none;font-size:15px}.ban-mn a:hover{background:var(--nau10)}
@media(max-width:860px){.ban-nut .bt,.ban-nut .mui{display:none}.ban-nut{padding:4px}.ban-tk{margin-left:10px}}
.vt{display:inline-block;padding:4px 11px;border-radius:999px;font-size:13.5px;font-weight:700;white-space:nowrap}
.vt.csh{background:#2E2622;color:#fff}.vt.qlc{background:var(--nau);color:#fff}.vt.lcs{background:var(--hong);color:#5b3322}.vt.lts{background:var(--hong40);color:var(--nau)}.vt.nv{background:var(--nau10);color:var(--phu)}
.tk{padding:30px 20px 50px}
.tk-dau{display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap}.tk-dau h1{margin:0;font-size:34px;color:#2E2622}.tk-dau p{margin:4px 0 0;color:var(--phu);font-size:16.5px}.tk-dau .b{margin-left:auto}
.tk .b,.tk-hop .b{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font:inherit;font-weight:700;font-size:16px;cursor:pointer;text-decoration:none}
:is(.tk,.tk-hop) .b.p{background:var(--nau);color:#fff}:is(.tk,.tk-hop) .b.v{background:#fff;color:var(--nau);border:1.5px solid var(--nau40)}:is(.tk,.tk-hop) .b:disabled{opacity:.6}
.tk-loc{display:flex;gap:8px;margin:22px 0 14px;flex-wrap:wrap;align-items:center}
.tk-loc>div{display:flex;gap:8px;flex-wrap:wrap}.tk-loc button{padding:7px 14px;border-radius:999px;border:1px solid var(--nau20);background:#fff;font:inherit;font-weight:600;font-size:14.5px;color:var(--phu);cursor:pointer}
.tk-loc button.on{background:var(--nau10);border-color:var(--nau40);color:var(--nau)}.tk-loc i{font-style:normal;opacity:.7;margin-left:3px}
.tk-tim{margin-left:auto;display:flex;align-items:center;gap:8px;border:1.5px solid var(--nau20);border-radius:999px;padding:6px 14px;background:#fff;width:240px}
.tk-tim input{border:0;outline:0;font:inherit;font-size:15px;flex:1;min-width:0;background:none}
.tk-bang{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--nau20);border-radius:16px;overflow:hidden}
.tk-bang th{text-align:left;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--phu);padding:13px 18px;background:var(--nau10);font-weight:700}
.tk-bang td{padding:14px 18px;border-top:1px solid var(--nau20);font-size:16px}.tk-bang td.e b{display:block;word-break:break-all}.tk-bang td.e small{color:var(--phu);font-size:13.5px}
.tk-bang .tt{font-weight:700;font-size:14.5px}.tt.ok{color:#2F7A4A}.tt.kh{color:#B4442C}.tk-bang .mo{color:var(--phu)}
.tk-bang tr.khoa td{background:#FCF8F6}.tk-bang tr.khoa .e b{color:var(--phu);text-decoration:line-through}
.tk-sua{border:0;background:none;color:var(--nau);font:inherit;font-weight:700;font-size:15px;cursor:pointer;padding:6px 0}
.tk-trong{background:#fff;border:1px dashed var(--nau40);border-radius:16px;padding:30px;text-align:center;color:var(--phu)}
.tk-quyen{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.tk-quyen div{background:#fff;border:1px solid var(--nau20);border-radius:14px;padding:14px 16px;font-size:15px;color:var(--phu);line-height:1.45}.tk-quyen .vt{margin-bottom:8px}
@media(max-width:760px){.tk-dau h1{font-size:28px}.tk-dau .b{margin-left:0;width:100%;justify-content:center}.tk-tim{width:100%;margin-left:0}
  .tk-bang,.tk-bang tbody,.tk-bang tr,.tk-bang td{display:block}.tk-bang thead{display:none}.tk-bang{border:0;background:none}
  .tk-bang tr{background:#fff;border:1px solid var(--nau20);border-radius:14px;margin-bottom:10px;padding:12px 14px;display:grid;grid-template-columns:1fr auto;gap:6px 10px}
  .tk-bang td,.tk-bang tr.khoa td{border:0;padding:0;font-size:15px;background:none}.tk-bang tr.khoa{background:#FCF8F6}.tk-bang td.e{grid-column:1/3}.tk-bang td.hd{grid-column:2;grid-row:2/5;align-self:center}
  .tk-quyen{grid-template-columns:1fr}}
#tk-hop{position:fixed;inset:0;background:rgba(46,38,34,.45);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow:auto}
#tk-hop[hidden]{display:none}
.tk-hop{background:#fff;border-radius:20px;width:100%;max-width:580px;padding:26px 28px 24px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.tk-hop h2{margin:0 0 2px;font-size:24px}.tk-hop .mo2{color:var(--phu);margin:0 0 6px;font-size:15px}
.tk-hop>label{display:block;font-weight:700;font-size:15px;margin:16px 0 7px}
.tk-hop .o{display:flex;align-items:center;border:1.5px solid var(--nau20);border-radius:12px;padding:0 14px;height:48px;font:inherit;font-size:16.5px;width:100%;background:#fff;word-break:break-all}
.tk-hop input.o:focus{outline:0;border-color:var(--nau);box-shadow:0 0 0 3px var(--hong40)}.tk-hop .mono{font-family:ui-monospace,Menlo,monospace;font-size:18px;letter-spacing:1px}
.chon{display:grid;gap:7px}.chon .c{display:flex;align-items:center;gap:12px;border:1.5px solid var(--nau20);border-radius:12px;padding:10px 14px;font-size:15px;color:var(--phu);cursor:pointer;margin:0;font-weight:400}
.chon .c input{position:absolute;opacity:0;pointer-events:none}
.chon .r{width:20px;height:20px;border-radius:50%;border:2px solid var(--nau40);flex:none}.chon .c:has(input:checked){border-color:var(--nau);background:var(--hong20)}.chon .c:has(input:checked) .r{border:6px solid var(--nau)}
.chon .c b{color:var(--chu);min-width:118px}.chon .c.tat{opacity:.5;cursor:not-allowed}.chon .c.tat .cm{margin-left:auto;font-size:13px}
.mk{display:flex;gap:8px}.mk .o{flex:1}.mk .b{padding:10px 14px;font-size:15px;white-space:nowrap}
.ghi-mk{color:var(--phu);font-size:15px}
.tk-hop .tick{display:flex;gap:10px;align-items:center;margin-top:14px;font-size:15px;font-weight:400;cursor:pointer}.tk-hop .tick input{width:18px;height:18px;accent-color:var(--nau)}
.tk-hop .luu{background:var(--nau10);border-radius:12px;padding:10px 14px;margin-top:10px;font-size:14px;color:var(--phu)}
.tk-hop .loi{display:none;margin-top:14px;background:#FBEAE5;color:#9A3A24;border-radius:10px;padding:10px 12px;font-size:15px}.tk-hop .loi.co{display:block}
.tk-hop .duoi{display:flex;gap:10px;margin-top:22px;align-items:center;justify-content:flex-end}.tk-hop .duoi .khoa{margin-right:auto;color:#B4442C;font-weight:700;font-size:15px;border:0;background:none;font-family:inherit;cursor:pointer;padding:0}
@media(max-width:560px){.tk-hop{padding:22px 18px}.chon .c{flex-wrap:wrap;gap:4px 12px}.chon .c .cm{width:100%;padding-left:32px}.chon .c.tat .cm{margin-left:0}.mk{flex-wrap:wrap}}