.knowledge-card{--lesson:#9773c5;--lesson-bg:#f4eefa;display:block;border:1px solid #e5e2ed;border-radius:13px;background:white;padding:20px;transition:border-color .2s,box-shadow .2s}.knowledge-card.learn-1{--lesson:#6594c1;--lesson-bg:#edf5fc}.knowledge-card.learn-2{--lesson:#539f96;--lesson-bg:#edf8f4}.knowledge-card.learn-3{--lesson:#bc9263;--lesson-bg:#fbf4ea}.knowledge-card:hover{border-color:var(--lesson);box-shadow:0 6px 18px #68547710}.knowledge-card h3{font-size:15px;font-weight:550;margin-bottom:10px;color:#45516b}.knowledge-card p{font-size:12px;line-height:1.9;color:#5f6e84;min-height:66px}.knowledge-card:focus-visible{outline:2px solid var(--lesson);outline-offset:3px}.knowledge-wrap{max-width:1100px}.knowledge-back{display:inline-block;font-size:12px;color:#7d5ea9;margin-bottom:18px}.knowledge-hero{position:relative;background:linear-gradient(115deg,#fff,#f6f1fc);border:1px solid #e5ddef;border-radius:16px;padding:28px;margin-bottom:24px}.knowledge-hero>.learn-icon{float:left;margin-right:14px;--lesson:#9470c2;--lesson-bg:#efe9f8}.knowledge-kicker{font-size:11px;color:#7e60a0}.knowledge-hero h1{font-size:27px;font-weight:600;margin:7px 0 13px}.knowledge-hero p{font-size:14px;color:#626d87;line-height:1.8;clear:both}.knowledge-layout{display:grid;grid-template-columns:230px 1fr;gap:22px;align-items:start}.knowledge-nav{position:sticky;top:86px;background:white;border:1px solid #e7e2ee;border-radius:13px;padding:18px}.knowledge-nav h2{font-size:12px;color:#746884;margin-bottom:10px}.knowledge-nav a{display:flex;gap:9px;padding:12px 0;font-size:12px;color:#606d84}.knowledge-nav small{color:#7f5f9f}.knowledge-nav a:hover{color:#8f65c1}.knowledge-section{scroll-margin-top:90px;border:1px solid #e6e3ee;border-radius:13px;background:white;padding:23px;margin-bottom:13px}.knowledge-section h2{font-size:17px;font-weight:550;display:flex;align-items:center;gap:11px;margin-bottom:13px}.knowledge-section h2 span{font-size:10px;background:#f4effa;color:#af95cc;padding:7px;border-radius:7px}.knowledge-section p{font-size:14px;color:#5f6e85;line-height:2}.knowledge-official{border:1px solid #e4dbef;padding:20px;border-radius:12px;background:#f7f3fc;margin-top:20px}.knowledge-official h3{font-size:13px;margin-bottom:12px}.knowledge-official a{display:inline-block;font-size:12px;color:#9071bb;margin:6px 13px 6px 0}.knowledge-next{display:flex;justify-content:space-between;gap:12px;padding:18px 3px;color:#9474bd;font-size:13px}.knowledge-related{margin-top:25px;border-top:1px solid #e8e2ee;padding-top:22px}.knowledge-related h2{font-size:16px;margin-bottom:14px}.knowledge-related>div{display:flex;gap:14px;flex-wrap:wrap}.knowledge-related a{font-size:12px;background:white;border:1px solid #e7e1ef;border-radius:9px;padding:15px;color:#7e5ea4;flex:1;white-space:nowrap}@media(max-width:750px){.knowledge-layout{grid-template-columns:1fr}.knowledge-nav{position:static}.knowledge-nav a{display:inline-flex;margin-right:13px}.knowledge-hero{padding:20px}.knowledge-hero h1{font-size:22px}.knowledge-section{padding:19px}.knowledge-card{padding:15px}.knowledge-card h3{font-size:14px}}