.learn-seo-module__oTpXPq__index{z-index:4;isolation:isolate;color:#20304f;width:min(1300px,100% - clamp(20px,3vw,48px));margin:8px auto 30px;position:relative}.learn-seo-module__oTpXPq__directory{background:#fff;border:1px solid #d7e3e9;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px #23455814}.learn-seo-module__oTpXPq__directory>summary{color:#31566a;cursor:pointer;justify-content:space-between;align-items:center;gap:18px;min-height:54px;padding:12px 17px;list-style:none;display:flex}.learn-seo-module__oTpXPq__directory>summary::-webkit-details-marker{display:none}.learn-seo-module__oTpXPq__directory>summary span{flex-direction:column;min-width:0;display:flex}.learn-seo-module__oTpXPq__directory>summary b{font-size:.84rem}.learn-seo-module__oTpXPq__directory>summary small{color:#768695;font-size:.7rem}.learn-seo-module__oTpXPq__directory>summary em{color:#5e59c4;flex:none;font-size:.72rem;font-style:normal;font-weight:900}.learn-seo-module__oTpXPq__directory[open]>summary{border-bottom:1px solid #e5ecef}.learn-seo-module__oTpXPq__directory[open]>summary em{font-size:0}.learn-seo-module__oTpXPq__directory[open]>summary em:after{content:"Thu gọn";font-size:.72rem}.learn-seo-module__oTpXPq__content{background:#f8fbfc;padding:14px}.learn-seo-module__oTpXPq__hero{background:linear-gradient(135deg,#fff,#f0f7ff);border:1px solid #dbe7ee;border-radius:18px;padding:18px 20px}.learn-seo-module__oTpXPq__hero>span{color:#397e9c;letter-spacing:.11em;font-size:.68rem;font-weight:950}.learn-seo-module__oTpXPq__hero h2{max-width:850px;margin:5px 0;font-size:clamp(1.3rem,2.5vw,1.8rem);line-height:1.2}.learn-seo-module__oTpXPq__hero p{color:#5e7180;max-width:780px;margin:0;font-size:.86rem;line-height:1.55}.learn-seo-module__oTpXPq__phonicsCallout{background:#f7f5ff;border:1px solid #d8d4f2;border-radius:17px;justify-content:space-between;align-items:center;gap:24px;margin:10px 0;padding:16px 20px;display:flex}.learn-seo-module__oTpXPq__phonicsCallout strong{font-size:1rem}.learn-seo-module__oTpXPq__phonicsCallout p{color:#68758a;margin:3px 0 0;font-size:.8rem}.learn-seo-module__oTpXPq__phonicsCallout a{color:#fff;background:#5e59c4;border-radius:11px;flex:none;padding:9px 13px;font-size:.76rem;font-weight:900;text-decoration:none}.learn-seo-module__oTpXPq__courses{gap:12px;display:grid}.learn-seo-module__oTpXPq__course{background:#fff;border:1px solid #dfe8ec;border-radius:18px;padding:18px}.learn-seo-module__oTpXPq__course>header{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:12px;display:flex}.learn-seo-module__oTpXPq__course h3{margin:0;font-size:1.2rem}.learn-seo-module__oTpXPq__course>header p{color:#768695;margin:0;font-size:.75rem}.learn-seo-module__oTpXPq__topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.learn-seo-module__oTpXPq__topic{background:#f8fafc;border-radius:14px;min-width:0;padding:13px}.learn-seo-module__oTpXPq__topic h4{color:#34556a;margin:0 0 8px;font-size:.9rem}.learn-seo-module__oTpXPq__topic ul{gap:7px;margin:0;padding:0;list-style:none;display:grid}.learn-seo-module__oTpXPq__topic a{color:#26475b;background:#fff;border:1px solid #e1e9ed;border-radius:11px;padding:9px 10px;text-decoration:none;display:block}.learn-seo-module__oTpXPq__topic b{font-size:.78rem;line-height:1.4;display:block}.learn-seo-module__oTpXPq__topic span{color:#73828d;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:3px;font-size:.69rem;line-height:1.45;display:-webkit-box;overflow:hidden}.learn-seo-module__oTpXPq__topic a:hover{border-color:#83b5c8}@media (max-width:760px){.learn-seo-module__oTpXPq__index{width:calc(100% - 20px);margin-bottom:24px}.learn-seo-module__oTpXPq__directory>summary{gap:8px;padding:11px 13px}.learn-seo-module__oTpXPq__directory>summary em{font-size:.68rem}.learn-seo-module__oTpXPq__content{padding:10px}.learn-seo-module__oTpXPq__hero{padding:15px 13px}.learn-seo-module__oTpXPq__phonicsCallout,.learn-seo-module__oTpXPq__course>header{flex-direction:column;align-items:flex-start}.learn-seo-module__oTpXPq__phonicsCallout a{text-align:center;width:100%}.learn-seo-module__oTpXPq__topics{grid-template-columns:1fr}.learn-seo-module__oTpXPq__course{padding:14px 10px}}