.ln-about{display:flex;flex-direction:column;gap:12px;margin-top:22px}.ln-about-card{padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-xl)}.ln-about-list{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px}.ln-about-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.5;color:var(--text);min-width:0}.ln-about-list li>span:last-child{min-width:0;overflow-wrap:anywhere}.ln-about-check{color:var(--ok);flex:none;margin-top:2px}.ln-about-prereq{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--panel-2);border:1px solid var(--border);border-radius:var(--r-xl)}.ln-about-prereq-ic{color:var(--v);flex:none;margin-top:1px}.ln-about-prereq>div{min-width:0}.ln-about-prereq-title{margin:0 0 4px;font-size:14px;font-weight:700}.ln-about-prereq p{margin:0;color:var(--text-2);font-size:14px;line-height:1.6;white-space:pre-line;overflow-wrap:anywhere}@media (max-width:640px){.ln-about-list{grid-template-columns:minmax(0,1fr)}}.ln-road{margin-top:24px}.ln-road-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin-bottom:12px}.ln-road-head .ln-dim{font-size:13px}.ln-road-list{list-style:none;margin:0;padding:2px 2px 6px;display:flex;align-items:stretch;flex-wrap:wrap;row-gap:10px;scrollbar-width:thin;max-width:100%}.ln-road-item{display:flex;align-items:center;flex:1 1 150px;min-width:0}@media (max-width:1200px){.ln-road-item{flex-basis:30%}}.ln-road-node{display:flex;align-items:flex-start;gap:10px;flex:1;min-width:0;height:100%;padding:12px 14px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-xl);color:inherit;text-decoration:none;transition:border-color .15s}.ln-road-node:hover{border-color:color-mix(in srgb,var(--v) 40%,var(--border))}.ln-road-node:focus-visible{outline:2px solid var(--v);outline-offset:2px}.ln-road-n{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font-size:12.5px;font-weight:700;background:var(--panel-2);border:1px solid var(--border);color:var(--text-2)}.ln-road-item[data-state=done] .ln-road-n{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}.ln-road-item[data-state=progress] .ln-road-n{color:var(--v);border-color:color-mix(in srgb,var(--v) 40%,transparent)}.ln-road-item[data-current] .ln-road-node{border-color:color-mix(in srgb,var(--v) 55%,var(--border));background:linear-gradient(180deg,color-mix(in srgb,var(--v) 8%,var(--panel)),var(--panel) 70%)}.ln-road-item[data-current] .ln-road-n{background:var(--v);border-color:var(--v);color:var(--bg)}.ln-road-txt{display:flex;flex-direction:column;gap:3px;min-width:0}.ln-road-here{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--v)}.ln-road-title{font-size:14px;font-weight:700;line-height:1.3;overflow-wrap:anywhere}.ln-road-meta{font-size:12.5px;color:var(--text-3)}.ln-road-link{flex:none;display:grid;place-items:center;width:28px;color:var(--text-3);position:relative}.ln-road-item[data-state=done] .ln-road-link{color:var(--ok)}@media (max-width:640px){.ln-road-list{flex-direction:column;overflow-x:visible;padding:0}.ln-road-item{flex:none;flex-direction:column;align-items:stretch}.ln-road-link{width:auto;height:22px;padding-left:13px;justify-content:start}.ln-road-link .material-symbols-outlined{transform:rotate(90deg)}}@media (prefers-reduced-motion:reduce){.ln-road-node{transition:none}}