.dash-space{position:fixed;z-index:-1;inset:0;overflow:hidden;pointer-events:none}.chapter-hero{position:relative;min-height:350px;padding:90px 0 54px;overflow:hidden}.chapter-hero:after{position:absolute;top:20px;right:5%;width:min(42vw,440px);aspect-ratio:1;border:1px solid #a99bff66;border-radius:50%;background:radial-gradient(circle at 34% 26%,#fff,#72f6e4 5%,#7164db 28%,#111842 65%,transparent 70%);box-shadow:0 0 80px #7969ff55;content:""}.chapter-hero h1{position:relative;z-index:1;max-width:720px;margin:18px 0 0;font-size:clamp(40px,5.5vw,76px);font-weight:500;line-height:1.05;letter-spacing:-.06em}.chapter-hero>p{position:relative;z-index:1;max-width:590px;color:#a9b6cf;font-size:14px;line-height:1.9}.knowledge-route{position:relative;max-width:930px;padding-bottom:100px}.knowledge-route:before{position:absolute;top:35px;bottom:105px;left:23px;width:1px;background:linear-gradient(var(--cyan),#a99bff,transparent);content:""}.knowledge{position:relative;display:grid;grid-template-columns:52px 1fr;gap:22px;padding:0 0 28px}.knowledge-node{position:relative;z-index:1;display:grid;width:46px;height:46px;place-items:center;border:1px solid #72f6e488;border-radius:50%;background:#0b1532;color:var(--cyan);font:10px var(--mono);box-shadow:0 0 21px #72f6e422}.knowledge-card{padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 16px 48px #0004}.knowledge-card summary{display:flex;gap:15px;align-items:center;cursor:pointer;list-style:none}.knowledge-card summary::-webkit-details-marker{display:none}.knowledge-card h2{margin:0;font-size:clamp(19px,2.3vw,28px)}.knowledge-card summary span{margin-left:auto;color:var(--cyan);font:12px var(--mono)}.knowledge-content{padding-top:17px;color:#bac5da;font-size:13px;line-height:1.85}.knowledge-content pre{padding:12px;overflow:auto;background:#020611;border:1px solid #6674aa44;border-radius:5px;color:#d5eaff;font:11px/1.6 Consolas,monospace;white-space:pre-wrap}.knowledge-content code{color:#8cf8ec}.chapter-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.chapter-actions a{padding:8px 10px;border:1px solid #a99bff55;border-radius:4px;background:#a99bff12;color:#dcd7ff;font-size:10px}.chapter-actions a:hover{border-color:var(--cyan);color:var(--cyan)}@media(max-width:700px){.chapter-hero{padding-top:65px}.chapter-hero:after{right:-20%;width:75vw;opacity:.6}.knowledge{grid-template-columns:42px 1fr;gap:14px}.knowledge-node{width:40px;height:40px}.knowledge-route:before{left:19px}.knowledge-card{padding:17px}.knowledge-card h2{font-size:19px}}