:root{--zk-gutter: 12px;--zk-gap: 10px;--zk-radius: 5px;--zk-header: 46px;--zk-xanh-nhat: #e9f2ff;--zk-xanh-vien: #d0e0f8;--zk-xanh-dam: #0958d9}body{margin:0;background:#f5f7fa}.zk-portal-wrap{max-width:960px;margin:0 auto;padding:12px var(--zk-gutter) 84px}.zk-portal-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;height:var(--zk-header);padding:0 var(--zk-gutter);background:var(--zk-xanh-nhat);border-bottom:1px solid var(--zk-xanh-vien)}.zk-portal-logo{display:flex;align-items:center;gap:7px;flex:none;font-weight:700;font-size:16px;letter-spacing:.4px;color:var(--zk-xanh-dam);text-decoration:none}.zk-portal-logo img{display:block;height:24px}@media(max-width:380px){.zk-portal-logo span{display:none}}.zk-portal-nav{display:flex;gap:2px;margin-left:8px}.zk-portal-nav a{padding:4px 10px;border-radius:var(--zk-radius);color:#333;text-decoration:none;font-size:14px}.zk-portal-nav a.active{background:#fff;color:var(--zk-xanh-dam);font-weight:600}.zk-portal-right{margin-left:auto;display:flex;align-items:center;gap:8px}.zk-portal-right .ant-tag{background:#fff;border-color:#a8c8f5;color:var(--zk-xanh-dam)}.zk-portal-wrap h4.ant-typography{margin:0 0 10px;font-size:18px}.zk-portal-wrap .ant-card,.zk-portal-wrap .ant-alert{margin-bottom:var(--zk-gap)}.ant-card .ant-form-item:last-child{margin-bottom:0}.zk-portal-tabs{display:none}@media(max-width:720px){.zk-portal-nav{display:none}.zk-portal-tabs{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;background:#eef1f5;border-top:1px solid #dfe3ea;padding-bottom:env(safe-area-inset-bottom)}.zk-portal-tabs a{flex:1;height:var(--zk-header);padding:0 4px;font-size:11px;line-height:1.2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#667085;text-decoration:none}.zk-portal-tabs a.active{color:#1677ff;font-weight:600;background:#fff}.zk-portal-tabs .anticon{display:block;font-size:18px}}.zk-portal-wrap .ant-card-head{background:#f7f9fc}.zk-buoc{display:inline-flex;align-items:center;gap:8px}.zk-buoc i{width:20px;height:20px;flex:none;border-radius:50%;background:#1677ff;color:#fff;font-size:12px;font-weight:700;font-style:normal;line-height:1;display:inline-flex;align-items:center;justify-content:center}.zk-muc{padding:9px 0;border-top:1px solid #eef0f4}.zk-muc:first-child{padding-top:0;border-top:none}.zk-muc:last-child{padding-bottom:0}.zk-muc-nhan{color:#667085;font-size:13px;margin-bottom:5px}.zk-cta{display:block;width:100%;height:54px;font-size:16px;font-weight:600}.zk-price-bar{position:sticky;bottom:0;margin:0 calc(-1 * var(--zk-gutter));padding:8px var(--zk-gutter) calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #e4e7ec;box-shadow:0 -4px 12px #10182812;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.zk-price-so{font-size:17px;font-weight:700;color:#1677ff}.zk-price-so.thieu{color:#d4380d}@media(max-width:720px){.zk-price-bar{bottom:calc(var(--zk-header) + env(safe-area-inset-bottom))}}.zk-video-grid{display:grid;gap:var(--zk-gap);grid-template-columns:1fr}@media(min-width:760px){.zk-video-grid{grid-template-columns:1fr 1fr}}.zk-video-card{display:flex;gap:10px;padding:10px;background:#fff;border:1px solid #e9edf3;border-radius:var(--zk-radius)}.zk-video-thumb{width:116px;height:66px;flex:none;border-radius:var(--zk-radius);object-fit:cover;background:#eceff3;display:flex;align-items:center;justify-content:center;color:#98a2b3}@media(max-width:480px){.zk-video-thumb{width:96px;height:56px}}.zk-han-gap{color:#d4380d;font-weight:600}.zk-han-gan{color:#d46b08}.zk-han-xa{color:#667085}.zk-goi-nap{height:100%;display:flex;flex-direction:column;justify-content:space-between}.zk-goi-nap .zk-goi-nhan{min-height:46px;display:flex;flex-direction:column;gap:3px;align-items:center;justify-content:center}.zk-portal-wrap .zk-the-buoc.ant-card{border:1px solid #d5dbe5;border-radius:var(--zk-radius)}.zk-portal-wrap .zk-the-buoc>.ant-card-head{border-bottom:1px solid #d5dbe5}.zk-hang-lop{margin-top:6px;padding-top:8px;border-top:1px dashed #e4e7ec}.zk-che-do{display:flex;flex-wrap:wrap;gap:4px 18px;margin-bottom:10px}.zk-ds-bai{display:block;width:100%;max-height:360px;overflow-y:auto;border:1px solid #e4e7ec;border-radius:var(--zk-radius);padding:4px 10px}.zk-nhom-bai{padding:6px 0;border-bottom:1px solid #f0f2f5}.zk-nhom-bai:last-child{border-bottom:none}.zk-nhom-ten{position:sticky;top:-4px;z-index:1;background:#fff;color:#667085;font-size:13px;font-weight:600;padding:2px 0 4px}.zk-nhom-bai .ant-radio-wrapper{width:100%;padding:3px 0}.zk-nhom-bai .ant-radio-wrapper>span:last-child{flex:1}.zk-duyet{margin-top:12px;padding-top:10px;border-top:1px solid #eef0f4}.zk-duyet-mo-ta{color:#667085;font-size:13px;margin:2px 0 0 24px}.zk-canh-duyet{border:1px solid #e4e7ec;border-radius:var(--zk-radius);padding:10px;margin-bottom:8px;background:#fff}.zk-canh-duyet.da-sua{border-color:#91caff;background:#f5faff}.zk-canh-dau{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:13px;color:#667085}.zk-canh-dau b{color:#1f2937}.zk-thanh-duyet{position:sticky;bottom:0;margin:0 calc(-1 * var(--zk-gutter));padding:8px var(--zk-gutter) calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #e4e7ec;box-shadow:0 -4px 12px #10182812;display:flex;align-items:center;gap:8px;flex-wrap:wrap}@media(max-width:720px){.zk-thanh-duyet{bottom:calc(var(--zk-header) + env(safe-area-inset-bottom))}}.zk-chuong{width:min(360px,calc(100vw - 32px))}.zk-chuong-dau{display:flex;align-items:center;justify-content:space-between;padding:0 0 6px;border-bottom:1px solid #eef0f4}.zk-chuong-ds{max-height:420px;overflow-y:auto;margin:0 -12px}.zk-tb{all:unset;box-sizing:border-box;cursor:pointer;width:100%;display:flex;gap:10px;padding:9px 12px;border-bottom:1px solid #f2f4f7}.zk-tb:hover,.zk-tb:focus-visible{background:#f5f7fa}.zk-tb.chua-doc{background:#f0f7ff}.zk-tb.chua-doc .zk-tb-tieu-de{font-weight:600}.zk-tb-icon{font-size:18px;line-height:20px;flex:none}.zk-tb-than{display:flex;flex-direction:column;gap:2px;min-width:0}.zk-tb-tieu-de{font-size:14px;color:#1f2937}.zk-tb-noi-dung{font-size:13px;color:#667085}.zk-tb-luc{font-size:12px;color:#98a2b3}.zk-price-ghi-chu{font-size:12px;color:#98a2b3;margin-top:2px}.zk-thoi-luong{border:1px solid #d5dbe5;border-radius:var(--zk-radius);background:#fff;padding:10px 12px;margin-bottom:var(--zk-gap)}.zk-thoi-luong.dai{border-color:#ffa39e;background:#fff7f6}.zk-thoi-luong.ngan{border-color:#ffe58f;background:#fffdf0}.zk-thoi-luong-so{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;font-size:13px;color:#667085}.zk-thoi-luong-so b{font-size:18px;color:#1f2937}.zk-thoi-luong-canh-bao{font-size:13px;color:#b42318;margin:4px 0 6px}.zk-thoi-luong.ngan .zk-thoi-luong-canh-bao{color:#93370d}.zk-lua-chon-dai{display:flex;flex-direction:column;gap:6px}.zk-lua-chon-dai .ant-radio-wrapper{align-items:flex-start;font-size:14px}.zk-canh-duyet.se-cat{opacity:.5;border-style:dashed;border-color:#ffa39e}.zk-tao{--tao-chu: #3b5bdb;--tao-chu-dam: #2f49b8;--tao-nen-chon: #f0f3ff;--tao-vien-chon: #9fb0ee;--tao-vien: #e4e7ed;--tao-ke: #eef0f4;--tao-chu-phu: #6b7280}.zk-tao h4.ant-typography{font-weight:600;color:#111827;letter-spacing:-.01em}.zk-portal-wrap .zk-tao .zk-the-buoc.ant-card{border:1px solid var(--tao-vien);border-radius:8px;box-shadow:0 1px 2px #1018280a}.zk-portal-wrap .zk-tao .zk-the-buoc>.ant-card-head{background:#fff;border-bottom:1px solid var(--tao-ke)}.zk-tao .zk-the-buoc .ant-card-head-title{font-size:15px;font-weight:600;color:#1f2937}.zk-tao .zk-buoc i{background:var(--tao-nen-chon);color:var(--tao-chu-dam);box-shadow:inset 0 0 0 1px #c9d3f7;font-weight:600}.zk-tao .zk-chip.ant-btn{margin:0 6px 6px 0;height:30px;padding:0 12px;border-radius:5px;background:#fff;border-color:var(--tao-vien);color:#374151;font-weight:400;box-shadow:none}.zk-tao .zk-chip.ant-btn:not(:disabled):hover{border-color:var(--tao-vien-chon);color:var(--tao-chu-dam);background:#fafbff}.zk-tao .zk-chip.ant-btn.chon,.zk-tao .zk-chip.ant-btn.chon:not(:disabled):hover{background:var(--tao-nen-chon);border-color:var(--tao-vien-chon);color:var(--tao-chu-dam);font-weight:500}.zk-tao .zk-hang-lop{border-top-color:var(--tao-ke)}.zk-tao .zk-muc{border-top-color:var(--tao-ke);padding:11px 0}.zk-tao .zk-muc-nhan{color:var(--tao-chu-phu);font-size:13px;font-weight:500;margin-bottom:7px}.zk-tao .zk-ds-bai{border-color:var(--tao-ke)}.zk-tao .zk-nhom-ten{color:var(--tao-chu-phu);font-size:12px;letter-spacing:.02em}.zk-tao .zk-nhom-bai{border-bottom-color:#f3f4f7}.zk-the-phong-cach{flex:none;width:132px;padding:3px;cursor:pointer;background:#fff;text-align:left;border:1px solid var(--tao-vien);border-radius:6px;transition:border-color .15s,box-shadow .15s}.zk-the-phong-cach img,.zk-the-phong-cach>div:first-child{border-radius:4px}.zk-the-phong-cach>div:last-child{font-size:13px;margin-top:4px;color:#374151;padding:0 2px 2px}.zk-the-phong-cach:hover{border-color:var(--tao-vien-chon)}.zk-the-phong-cach.chon{border-color:var(--tao-chu);box-shadow:0 0 0 3px var(--tao-nen-chon)}.zk-the-phong-cach.chon>div:last-child{color:var(--tao-chu-dam);font-weight:500}.zk-tao .zk-duyet{border-top-color:var(--tao-ke)}.zk-tao .zk-duyet-mo-ta{color:var(--tao-chu-phu)}.zk-tao .zk-price-bar{border-top-color:var(--tao-vien);box-shadow:0 -6px 16px #1018280d}.zk-tao .zk-price-so{color:var(--tao-chu-dam);font-weight:600}.zk-tao .zk-price-bar .ant-btn-primary{min-width:150px;font-weight:500;box-shadow:none}.zk-ghi-chu-muc{font-size:12.5px;line-height:1.5;color:#6b7280;margin-top:2px;max-width:640px}.zk-cac-buoc{margin-top:12px}.zk-buoc-dong{display:flex;align-items:center;gap:10px;padding:4px 0}.zk-buoc-icon{width:16px;display:inline-flex;justify-content:center}.zk-buoc-cho{display:inline-block;width:14px;height:14px;border-radius:7px;border:2px solid #d9d9d9}.zk-tl{display:flex;flex-direction:column;gap:12px}.zk-tl-huong-dan{display:flex;gap:16px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;padding:12px 14px;border:1px solid var(--tao-vien, #e4e7ed);border-radius:5px;background:#fafbfc}.zk-tl-huong-dan-ten{font-weight:600;font-size:13.5px;color:#1f2937;margin-bottom:4px}.zk-tl-huong-dan ul{margin:0;padding-left:18px;color:#4b5563;font-size:13px;line-height:1.6}.zk-tl .ant-upload-wrapper .ant-upload-drag{border-radius:5px;background:#fff}.zk-tl-tep{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 12px;border:1px solid var(--tao-vien, #e4e7ed);border-radius:5px}.zk-tl-tep .anticon-file-word{color:#2b579a;font-size:18px}.zk-tl-tep span{color:var(--tao-chu-phu, #6b7280);font-size:13px;flex:1}.zk-tl-loi>div+div{margin-top:8px}.zk-tl-loi ul,.zk-tl-ds{margin:4px 0 0;padding-left:18px;font-size:13px;color:#4b5563}.zk-tl-them{color:var(--tao-chu-phu, #6b7280);font-size:12.5px}.zk-tl-xem{position:relative;max-height:380px;overflow-y:auto;padding:14px 16px;border:1px solid var(--tao-vien, #e4e7ed);border-radius:5px;background:#fff;font-size:14px;line-height:1.6;color:#1f2937}.zk-tl-xem>div+div{margin-top:8px}.zk-tl-h1{font-size:17px;font-weight:600;color:#111827}.zk-tl-h2,.zk-tl-h3{font-size:15px;font-weight:600;color:#1f2937}.zk-tl-ct{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;background:#f1f3f9;color:#2f49b8;padding:1px 5px;border-radius:4px}.zk-tl-cong-thuc{text-align:center;padding:4px 0}.zk-tl-doc{font-size:12.5px;color:#6b7280;font-style:italic;margin-top:2px}.zk-tl-cong-thuc .zk-tl-doc{text-align:center}.zk-tl-anh{display:flex;flex-direction:column;align-items:center;gap:4px;padding:4px 0}.zk-tl-anh img{max-height:150px;max-width:100%;border-radius:4px;border:1px solid #e4e7ed}.zk-tl-anh span{font-size:12px;color:#6b7280}.zk-tl-bo{opacity:.35}.zk-tl-vach{position:relative;margin:14px 0!important;border-top:2px dashed #e03131;text-align:center}.zk-tl-vach span{position:relative;top:-11px;background:#fff;padding:0 10px;color:#c92a2a;font-size:12.5px;font-weight:600}.zk-tl-chon .ant-radio-group{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}.zk-tl-gia{color:var(--tao-chu-dam, #2f49b8);font-weight:600}