:root{--pv2-ink:#17213a;--pv2-muted:#6f7d94;--pv2-blue:#4164df;--pv2-border:#e2e7f0}.public-home-v2,.public-category-v2{font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--pv2-ink);background:#f7f9fc}.public-home-v2>section,.public-category-v2{padding-left:max(24px,calc((100vw - 1180px)/2));padding-right:max(24px,calc((100vw - 1180px)/2))}.home-hero-v2{min-height:620px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:50px;background:linear-gradient(145deg,#f7f9fc 55%,#eef2ff)}.hero-label,.section-heading-v2>span,.category-chip{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:850;letter-spacing:.12em;color:#4d68d5}.hero-copy-v2 h1{font-size:58px;line-height:1.08;font-weight:900;letter-spacing:-.045em;margin:17px 0}.hero-copy-v2 h1 em{font-style:normal;color:#4c63dd}.hero-copy-v2>p{font-size:18px;line-height:1.7;color:var(--pv2-muted);max-width:630px}.hero-actions{display:flex;gap:11px;margin:27px 0}.hero-actions a,.home-cta-v2>a{padding:13px 19px;border-radius:11px;text-decoration:none;font-weight:750}.primary-action,.home-cta-v2>a{background:#4966df;color:#fff}.secondary-action{background:#fff;border:1px solid var(--pv2-border);color:#354158}.trust-row{display:flex;gap:20px;color:#647187;font-size:12px}.trust-row i{color:#2fa66c}.hero-visual-v2{position:relative;min-height:430px;display:grid;place-items:center}.visual-orb{position:absolute;width:380px;height:380px;border-radius:50%;background:linear-gradient(135deg,#3d65e3,#7336dc);box-shadow:0 35px 80px rgba(77,76,210,.3)}.sample-question{position:relative;background:#fff;border-radius:20px;width:380px;padding:25px;box-shadow:0 25px 60px rgba(25,38,83,.2)}.sample-question>div:first-child{display:flex;justify-content:space-between;color:#6375c9;font-size:12px;font-weight:800}.sample-question h2{font-size:20px;font-weight:850;margin:22px 0}.answer.correct{display:flex;gap:10px;align-items:center;border:1px solid #7bc69e;background:#effaf4;border-radius:11px;padding:12px;color:#277650}.answer b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#39a56b;color:#fff}.answer i{margin-left:auto}.sample-progress{height:5px;background:#e9edf4;border-radius:10px;margin-top:18px}.sample-progress span{display:block;width:68%;height:100%;background:#506bdc;border-radius:10px}.float-card{position:absolute;background:#fff;border-radius:12px;padding:12px 15px;display:flex;align-items:center;gap:9px;box-shadow:0 12px 35px rgba(35,48,87,.15)}.float-card i{font-size:23px;color:#f0a500}.float-card span{display:flex;flex-direction:column}.float-card small{font-size:10px;color:#8691a4}.float-card.score{left:-4px;top:55px}.float-card.students{right:-7px;bottom:55px}.learning-picker-v2,.featured-v2,.why-v2,.home-news-v2{padding-top:75px!important;padding-bottom:75px!important}.section-heading-v2{text-align:center}.section-heading-v2.left{text-align:left}.section-heading-v2 h2{font-size:34px;font-weight:900;margin:10px 0}.section-heading-v2 p{color:var(--pv2-muted)}.picker-panel{max-width:1050px;margin:30px auto 0;background:#fff;border:1px solid var(--pv2-border);border-radius:20px;padding:10px 28px;box-shadow:0 15px 45px rgba(34,45,77,.07)}.picker-step{display:grid;grid-template-columns:38px 1fr;gap:13px;padding:22px 0;border-bottom:1px solid #edf0f5}.picker-step:last-child{border:0}.picker-step>span{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#edf2ff;color:#506bd8;font-weight:800}.picker-step small{font-weight:850;color:#77849a}.choice-group,.subject-choices{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}.choice-group button,.subject-choices a{border:1px solid #dde3ed;background:#fff;border-radius:9px;padding:9px 15px;text-decoration:none;color:#536076}.choice-group button.active,.subject-choices a.active{border-color:#536fdc;background:#edf2ff;color:#3d59c8}.subject-choices a{display:flex;gap:6px}.featured-v2{background:#fff}.feature-grid-v2{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.feature-card-v2{border:1px solid var(--pv2-border);border-radius:18px;padding:25px;text-decoration:none;color:var(--pv2-ink);transition:.2s}.feature-card-v2:hover{transform:translateY(-4px);box-shadow:0 17px 38px rgba(34,45,77,.1)}.feature-icon{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:25px;margin-bottom:20px}.blue .feature-icon{background:#eaf1ff;color:#4266d8}.violet .feature-icon{background:#f1eaff;color:#7343d1}.orange .feature-icon{background:#fff0df;color:#d27820}.feature-card-v2>span{font-size:10px;font-weight:850;letter-spacing:.1em;color:#6878c5}.feature-card-v2 h3{font-size:20px;font-weight:850;margin:10px 0}.feature-card-v2 p{color:var(--pv2-muted)}.feature-card-v2 b{font-size:13px;color:#4c67d5}.why-v2{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.why-v2 h2{font-size:38px;font-weight:900;margin:12px 0}.why-v2>div:first-child p{color:var(--pv2-muted);line-height:1.7}.why-v2>div:first-child a{text-decoration:none;font-weight:750}.why-list{display:grid;gap:11px}.why-list article{background:#fff;border:1px solid var(--pv2-border);border-radius:13px;padding:16px;display:flex;gap:12px}.why-list i{width:40px;height:40px;border-radius:10px;background:#edf2ff;color:#4c68d7;display:grid;place-items:center;font-size:20px}.why-list span{display:flex;flex-direction:column}.why-list small{color:var(--pv2-muted);margin-top:3px}.home-news-v2{background:#fff}.home-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:25px}.home-post-grid article{border:1px solid var(--pv2-border);border-radius:16px;overflow:hidden;padding-bottom:20px}.post-cover{height:150px;display:grid;place-items:center;font-size:46px}.color-1{background:#e8f0ff;color:#4869dc}.color-2{background:#f2ebff;color:#7348d1}.color-3{background:#fff0df;color:#cf7924}.home-post-grid article>*:not(.post-cover){margin-left:20px;margin-right:20px}.home-post-grid article>small{display:block;margin-top:16px;color:#7885a0;font-size:10px}.home-post-grid h3{font-size:18px;font-weight:850;margin-top:8px}.home-post-grid p{color:var(--pv2-muted)}.home-post-grid a{text-decoration:none;font-weight:750;font-size:13px}.home-cta-v2{margin:35px max(24px,calc((100vw - 1180px)/2)) 70px;padding:35px!important;background:linear-gradient(120deg,#315cac,#5d45db);border-radius:20px;color:#fff;display:flex;align-items:center;justify-content:space-between}.home-cta-v2 h2{font-size:28px;font-weight:850;margin:8px 0}.home-cta-v2 p{color:#e0e6ff;margin:0}.home-cta-v2>a{background:#fff;color:#405ac2}.public-category-v2{padding-top:25px;padding-bottom:70px}.breadcrumbs-v2{display:flex;gap:7px;align-items:center;font-size:12px;margin-bottom:18px}.breadcrumbs-v2 a{text-decoration:none;color:#6977bf}.category-hero-v2{background:linear-gradient(120deg,#255d9f,#4b53d8 67%,#722ed7);border-radius:22px;padding:35px;color:#fff;display:flex;justify-content:space-between}.category-hero-v2 h1{font-size:35px;font-weight:900;margin:11px 0}.category-hero-v2 p{max-width:750px;color:#e2e7ff}.category-chip{color:#fff;background:rgba(255,255,255,.15);padding:5px 10px;border-radius:20px}.category-stats-v2{display:flex;gap:25px}.category-symbol{width:120px;height:120px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);border-radius:22px;display:grid;place-items:center;font-size:55px}.category-layout-v2{display:grid;grid-template-columns:250px 1fr;gap:20px;margin-top:22px}.category-filter-v2{display:flex;flex-direction:column;gap:15px}.category-filter-v2>div,.category-filter-v2>a{background:#fff;border:1px solid var(--pv2-border);border-radius:14px;padding:14px}.category-filter-v2 h2{font-size:13px;font-weight:850;padding:4px}.category-filter-v2 button{display:flex;justify-content:space-between;width:100%;border:0;background:none;padding:9px;border-radius:7px;color:#657188;font-size:12px}.category-filter-v2 button.active{background:#edf2ff;color:#4662cf}.category-filter-v2>a{display:flex;gap:10px;text-decoration:none}.category-filter-v2>a i{font-size:22px}.category-filter-v2>a span{display:flex;flex-direction:column}.category-results-v2{background:#fff;border:1px solid var(--pv2-border);border-radius:16px;padding:20px}.results-tools-v2{display:flex;justify-content:space-between;align-items:center}.results-tools-v2 h2{font-size:20px;font-weight:850}.results-tools-v2 p{font-size:12px;color:var(--pv2-muted)}.search-public{position:relative}.search-public i{position:absolute;left:12px;top:11px}.search-public input{border:1px solid #dfe5ee;border-radius:9px;padding:9px 12px 9px 36px}.lesson-list-v2{display:grid;gap:9px;margin-top:14px}.lesson-list-v2 article{display:grid;grid-template-columns:50px 1fr auto 38px;gap:12px;align-items:center;border:1px solid #e5e9ef;border-radius:12px;padding:13px}.lesson-index{width:42px;height:42px;border-radius:10px;background:#edf2ff;color:#4e68d3;display:grid;place-items:center;font-weight:850}.lesson-info-v2>span{font-size:9px;color:#6878c9;font-weight:850}.lesson-info-v2 h3{font-size:14px;font-weight:800;margin:4px 0}.lesson-info-v2>div{display:flex;gap:12px}.lesson-info-v2 small{color:#8290a3}.lesson-state-v2{font-size:11px;color:#8792a5}.lesson-state-v2.done{color:#2e9b64}.lesson-list-v2 article>a{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:#edf2ff;text-decoration:none}.category-bottom-v2,.category-author-v2{background:#fff;border:1px solid var(--pv2-border);border-radius:16px;padding:25px;margin-top:20px}.category-description-copy{max-height:145px;overflow:hidden;position:relative}.category-bottom-v2.expanded .category-description-copy{max-height:none}.category-description-copy:after{content:"";position:absolute;left:0;right:0;bottom:0;height:50px;background:linear-gradient(transparent,#fff)}.expanded .category-description-copy:after{display:none}.category-description-copy h2{font-size:22px;font-weight:850}.category-description-copy h3{font-size:16px;font-weight:800;margin-top:18px}.category-description-copy p{color:var(--pv2-muted)}.category-bottom-v2>button{display:block;margin:14px auto 0;border:0;background:#edf2ff;color:#4c67d4;border-radius:20px;padding:8px 17px}.category-author-v2{display:grid;grid-template-columns:70px 1fr;gap:15px}.category-author-v2 span{font-size:9px;font-weight:850;letter-spacing:.1em;color:#536ed5}.category-author-v2 h2{font-size:18px;font-weight:850;margin:4px 0}.category-author-v2 p{color:var(--pv2-muted);margin:4px 0}.category-author-v2 a{text-decoration:none;font-size:12px;font-weight:700}@media(max-width:900px){.home-hero-v2,.why-v2{grid-template-columns:1fr;padding-top:60px;padding-bottom:60px}.hero-copy-v2 h1{font-size:45px}.hero-visual-v2{display:none}.feature-grid-v2,.home-post-grid{grid-template-columns:1fr 1fr}.category-layout-v2{grid-template-columns:1fr}.category-filter-v2{display:none}}@media(max-width:620px){.hero-copy-v2 h1{font-size:38px}.hero-actions,.trust-row{flex-direction:column}.feature-grid-v2,.home-post-grid{grid-template-columns:1fr}.home-cta-v2{align-items:flex-start;flex-direction:column;gap:18px}.category-symbol{display:none}.lesson-list-v2 article{grid-template-columns:45px 1fr 34px}.lesson-state-v2{display:none}.results-tools-v2{align-items:flex-start;flex-direction:column;gap:10px}}