.p02-page .math-catalog-hero{background:linear-gradient(140deg,#f4efe4,#fffdf8 52%,#dce9e4)}.p02-catalog{padding-top:74px}.p02-cluster{background:#fff;border:1px solid #d2ddd7;overflow:hidden}.p02-cluster>header{background:#e5eee9;grid-template-columns:auto 1fr auto;align-items:start;gap:22px;padding:28px;display:grid}.p02-cluster>header>span{background:var(--zh-deep);color:#fff;border-radius:50%;place-items:center;width:54px;height:54px;font:700 15px Georgia,serif;display:grid}.p02-cluster>header h3{margin:0 0 8px;font:700 25px Georgia,Noto Serif SC,serif}.p02-cluster>header p{color:#5e7169;margin:0;line-height:1.65}.p02-cluster>header>b{color:#315d50;border:1px solid #90a89e;border-radius:99px;padding:8px 11px;font-size:11px}.p02-lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:24px;display:grid}.p02-lesson-card{min-height:270px;color:var(--zh-ink);background:#fff;border:1px solid #d2dbd6;border-radius:5px;flex-direction:column;padding:25px;text-decoration:none;display:flex}.p02-lesson-card>div{justify-content:space-between;align-items:center;display:flex}.p02-lesson-card>div span{color:#b35440;font:italic 20px Georgia,serif}.p02-lesson-card>div small{color:#245849;background:#e2eee8;border-radius:99px;padding:6px 9px;font-weight:900}.p02-lesson-card h3{margin:30px 0 12px;font:700 25px/1.25 Georgia,Noto Serif SC,serif}.p02-lesson-card p{color:#5e7069;margin:0;line-height:1.7}.p02-lesson-card footer{border-top:1px solid #e0e6e2;justify-content:space-between;align-items:center;gap:18px;margin-top:auto;padding-top:22px;font-size:12px;display:flex}.p02-lesson-card footer b{color:#224f43}.p02-lesson-card.open:hover{border-color:#3f7766;transform:translateY(-2px);box-shadow:0 16px 35px #173f3518}.p02-lesson-card.open:focus-visible{outline-offset:4px;outline:3px solid #1b72b8}.p02-lesson-card.unavailable{color:#69766f;background:#f3f2ed;border-style:dashed}.p02-lesson-card.unavailable>div small{color:#6b746f;background:#e4e5e1}.p02-lesson-card.unavailable footer button{color:#737c77;background:#eceeea;border:1px solid #aeb7b2;border-radius:3px;padding:8px 11px}.p02-scope{margin-top:0}@media (max-width:850px){.p02-cluster>header{grid-template-columns:auto 1fr}.p02-cluster>header>b{grid-column:2}.p02-lesson-grid{grid-template-columns:1fr}}@media (max-width:560px){.p02-cluster>header{grid-template-columns:1fr}.p02-cluster>header>b{grid-column:1;justify-self:start}.p02-lesson-grid{padding:14px}.p02-lesson-card{min-height:245px;padding:20px}.p02-lesson-card footer{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){.p02-lesson-card{transition:none!important}}