.ka .crd .pd{grid-template-columns:1.1fr 1fr;gap:36px;padding:14px 0 40px;display:grid}.ka .crd .pd>*{min-width:0}.ka .crd .gal-main{border:1px solid var(--line);background:var(--soft);box-shadow:var(--shadow);aspect-ratio:16/9;border-radius:20px;position:relative;overflow:hidden}.ka .crd .gal-main img{object-fit:cover;width:100%;height:100%;display:block}.ka .crd .gal-main iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.ka .crd .crd-ph{color:#fff;background:linear-gradient(120deg,#071434,#0b2a6f 60%,#14389a);place-items:center;font-size:56px;display:grid;position:absolute;inset:0}.ka .crd .crd-play{width:72px;height:72px;color:var(--gold);cursor:pointer;background:#fffe;border:0;border-radius:50%;place-items:center;padding-left:4px;font-size:24px;transition:transform .2s;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 24px #0004}.ka .crd .crd-play:hover{transform:translate(-50%,-50%)scale(1.06)}.ka .crd .pd-cat{background:var(--blue-l);color:var(--blue);letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-block}.ka .crd .pd h1{color:var(--blue-d);text-transform:uppercase;margin:10px 0 8px;font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.2}.ka .crd .pd-meta{color:var(--muted);flex-wrap:wrap;gap:8px 16px;font-size:13px;display:flex}.ka .crd .pd-meta span{align-items:center;gap:6px;display:flex}.ka .crd .pd-meta i{color:var(--gold)}.ka .crd .pd-price{flex-wrap:wrap;align-items:baseline;gap:6px 12px;margin:16px 0 6px;display:flex}.ka .crd .pd-price b{color:#dc2626;font-size:34px;font-weight:900}.ka .crd .pd-price s{color:var(--muted);font-size:16px}.ka .crd .pd-price .save{color:#dc2626;background:#fee2e2;border-radius:6px;padding:3px 8px;font-size:12px;font-weight:700}.ka .crd .pd-intro{color:var(--muted);-webkit-line-clamp:4;white-space:pre-line;-webkit-box-orient:vertical;margin-bottom:16px;font-size:14px;display:-webkit-box;overflow:hidden}.ka .crd .opt{flex-wrap:wrap;align-items:center;gap:10px 14px;margin:14px 0;display:flex}.ka .crd .opt>label{text-transform:uppercase;letter-spacing:.06em;min-width:92px;font-size:12.5px;font-weight:700}.ka .crd .chips{flex-wrap:wrap;gap:8px;display:flex}.ka .crd .chips button{border:1.5px solid var(--line);background:var(--card);color:var(--ink);font:inherit;cursor:pointer;text-align:left;border-radius:12px;padding:8px 14px;font-size:13px;font-weight:700;line-height:1.25}.ka .crd .chips button small{color:#16a34a;font-size:11px;font-weight:500;display:block}.ka .crd .chips button.on{border-color:var(--blue);background:var(--blue);color:#fff}.ka .crd .chips button.on small{color:#bbf7d0}.ka .crd .promises{grid-template-columns:1fr 1fr;gap:10px;margin:16px 0;display:grid}.ka .crd .promises div{border:1px dashed var(--line);background:var(--soft);border-radius:12px;align-items:flex-start;gap:10px;padding:10px 12px;font-size:12.5px;display:flex}.ka .crd .promises i{color:var(--gold);margin-top:2px;font-size:16px}.ka .crd .buy{grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;display:grid}.ka .crd .buy a,.ka .crd .buy button{font:inherit;text-transform:uppercase;text-align:center;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:14px;font-weight:900;display:flex}.ka .crd .buy .now{background:var(--gold);border:2px solid var(--gold);color:#fff}.ka .crd .buy .zalo{background:var(--card);border:2px solid var(--blue);color:var(--blue)}.ka .crd .share{text-transform:uppercase;letter-spacing:.06em;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;font-weight:700;display:flex}.ka .crd .share button{background:var(--soft);width:32px;height:32px;color:var(--blue);cursor:pointer;border:0;border-radius:50%;place-items:center;display:grid}.ka .crd .share .ok{color:#16a34a;text-transform:none;letter-spacing:0;font-size:12px}.ka .crd .mbuy{display:none}.ka .crd .pd-tabs .panel h3{color:var(--blue-d);margin:26px 0 12px;font-size:17px;font-weight:900}.ka .crd .checks{grid-template-columns:1fr 1fr;gap:10px;padding:0;list-style:none;display:grid}.ka .crd .checks li{background:var(--card);border:1px solid var(--line);border-radius:12px;align-items:flex-start;gap:10px;padding:10px 14px;font-size:14px;display:flex}.ka .crd .checks li i{color:#16a34a;margin-top:4px}.ka .crd .who{flex-wrap:wrap;gap:10px;display:flex}.ka .crd .who span{background:var(--blue-l);color:var(--blue-d);border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:700;display:inline-flex}.ka .crd .who span i{color:var(--gold)}.ka .crd .feat-i{background:var(--card);border:1px solid var(--line);border-radius:16px;gap:14px;padding:16px;display:flex}.ka .crd .feat-i>i{background:var(--blue-l);width:42px;height:42px;color:var(--blue);border-radius:12px;flex:none;place-items:center;display:grid}.ka .crd .feat-i h4{color:var(--blue-d);margin-bottom:2px;font-size:15px}.ka .crd .feat-i p{margin:0;font-size:13px;line-height:1.5}.ka .crd .feat-i>div{align-self:center}.ka .crd .crd-sum{flex-wrap:wrap;gap:8px 18px;font-size:13.5px;display:flex}.ka .crd .crd-sum i{color:var(--gold);margin-right:4px}.ka .crd .steps{counter-reset:s;gap:12px;padding:0;list-style:none;display:grid}.ka .crd .steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:14px;align-items:center;gap:14px;padding:14px 16px;font-size:14.5px;display:flex}.ka .crd .steps li:before{content:counter(s);background:var(--gold);color:#fff;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-weight:900;display:grid}.ka .crd .steps .crd-ls{flex:1;min-width:0;font-weight:500}.ka .crd .steps small{color:var(--muted);flex:none;font-size:12px}.ka .crd .crd-reviews{gap:12px;display:grid}.ka .crd .crd-review{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px}.ka .crd .crd-review .stars{color:var(--gold);letter-spacing:1px;font-size:14px}.ka .crd .crd-review p{color:var(--ink);margin:6px 0;font-size:14px}.ka .crd .crd-review small{color:var(--muted);font-size:12.5px}.ka .crd-related{margin-top:48px}.ka .crd-old{padding-bottom:24px}.ka .crd-old .crumb{margin-bottom:2px}.ka .crd-old-grid{grid-template-columns:minmax(0,1fr) 350px;grid-template-areas:"main enroll""tabs enroll";align-items:start;gap:26px 32px;padding-top:8px;display:grid}.ka .crd-old-main{grid-area:main;min-width:0}.ka .crd-old .course-head{margin-bottom:22px}.ka .crd-old .course-head .pd-cat{align-items:center;gap:7px;display:inline-flex}.ka .crd-old .course-head h1{max-width:880px;color:var(--blue-d);letter-spacing:-.025em;margin:12px 0 10px;font-size:clamp(30px,3.4vw,46px);font-weight:900;line-height:1.08}.ka .crd-old .course-sub{max-width:850px;color:var(--muted);white-space:pre-line;margin:0 0 15px;font-size:16px;line-height:1.65}.ka .crd-old .pd-meta{gap:8px 20px;font-size:13.5px}.ka .crd-old .gal-main{border-radius:18px;box-shadow:0 16px 42px #0f235a1f}.ka .crd-old-tabs{border:1px solid var(--line);background:var(--card);min-width:0;box-shadow:var(--shadow);border-radius:18px;grid-area:tabs;overflow:hidden}.ka .crd-old-tabs .tabhead{flex-wrap:nowrap;justify-content:flex-start;margin:0;padding:0 12px;overflow-x:auto}.ka .crd-old-tabs .tabhead button{white-space:nowrap;flex:none}.ka .crd-old-tabs .tabhead~.panel{max-width:none;margin:0;padding:24px 26px 28px}.ka .crd-enroll{grid-area:enroll;min-width:0}.ka .crd-enroll-card{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:24px;position:sticky;top:96px;box-shadow:0 18px 50px #0f235a21}.ka .crd-old .crd-enroll-card .pd-price{margin-top:0}.ka .crd-old .crd-enroll-card .pd-price b{font-size:32px}.ka .crd-old .crd-enroll-card .opt{margin:18px 0;display:block}.ka .crd-old .crd-enroll-card .opt>label{margin-bottom:9px;display:block}.ka .crd-old .crd-enroll-card .chips{grid-template-columns:1fr;display:grid}.ka .crd-old .crd-enroll-card .promises{grid-template-columns:1fr;margin:20px 0}.ka .crd-old .crd-enroll-card .promises div{background:var(--soft);border-style:solid}.ka .crd-old .crd-enroll-card .buy{grid-template-columns:1fr}.ka .crd-old .crd-enroll-card .share{border-top:1px solid var(--line);padding-top:4px}@media (max-width:900px){.ka .crd .pd{grid-template-columns:1fr;gap:20px}.ka .crd-old-grid{grid-template-columns:1fr;grid-template-areas:"main""enroll""tabs"}.ka .crd-enroll-card{position:static}}@media (max-width:820px){.ka .crd .mbuy{left:0;right:0;bottom:calc(58px + env(safe-area-inset-bottom));z-index:55;background:var(--bg);border-top:1px solid var(--line);grid-template-columns:auto 1fr 1fr;align-items:center;gap:8px;padding:8px 12px;display:grid;position:fixed;box-shadow:0 -4px 16px #0f235a14}.ka .crd .mbuy b{color:#dc2626;padding-right:4px;font-size:16px;font-weight:900}.ka .crd .mbuy a,.ka .crd .mbuy button{font:inherit;text-align:center;cursor:pointer;border-radius:999px;padding:10px;font-size:13px;font-weight:700}.ka .crd .mbuy .zalo{background:var(--card);border:1.5px solid var(--blue);color:var(--blue)}.ka .crd .mbuy .now{background:var(--gold);border:1.5px solid var(--gold);color:#fff}.ka:has(.crd .mbuy) .rail{bottom:140px}.ka:has(.crd .mbuy) .ft-bottom{padding-bottom:160px}.ka .crd .promises,.ka .crd .checks{grid-template-columns:1fr}.ka .crd-old .course-head h1{font-size:clamp(27px,8vw,36px)}.ka .crd-old .course-sub{font-size:14.5px}.ka .crd-old-tabs .tabhead~.panel{padding:20px 18px 24px}}@media (max-width:480px){.ka .crd .buy a,.ka .crd .buy button{gap:6px;padding:12px 8px;font-size:12.5px}}