.reading-description{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,2.35fr);gap:clamp(24px,4vw,65px);align-items:start;margin:36px 0 65px}.description-index{position:sticky;top:115px;min-width:0}.description-book{width:40px;height:40px;display:grid;place-items:center;color:white;background:linear-gradient(140deg,#aa98ff,#7250dd);border:1px solid #b9a8ff;border-radius:8px;box-shadow:0 10px 24px #7758ed24;margin-bottom:10px}.description-index h2{font-size:clamp(20px,1.5vw,22px);line-height:1.7;margin:0 0 15px;color:var(--text);font-weight:750}.description-time{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.description-progress{height:4px;border-radius:5px;background:var(--line,#e6e1f4);margin:10px 0}.description-progress i{display:block;background:var(--accent,#7758ed);height:100%;border-radius:inherit;transition:width .1s}.description-index ol{list-style:none;padding:0;margin:0;max-height:42vh;overflow:auto;scrollbar-width:thin}.description-index li{margin:0 0 8px}.description-index li a{display:flex;align-items:baseline;gap:12px;font-size:14px;line-height:1.9;color:var(--muted);text-decoration:none}.description-index li a:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0;opacity:.5}.description-index li a:hover,.description-index li a[aria-current]{color:var(--accent,#7758ed)}.description-top{display:flex;align-items:center;gap:8px;margin-top:22px;font-size:12px;color:var(--muted)}.description-reader{min-width:0;border:1px solid var(--line,#e6e1f4);border-radius:28px;background:var(--surface-soft,#f7f5ff);padding:clamp(22px,3.7vw,52px)}.description-viewport[data-collapsed=true]{max-height:560px;overflow:hidden;mask-image:linear-gradient(#000,#000 80%,transparent)}.description-content .pub-prose{padding:0!important;border:0!important;background:transparent!important;border-radius:0!important;box-shadow:none!important}.description-content :is(h2,h3,h4){scroll-margin-top:130px}.description-content .pub-prose>p:first-child{margin-top:0}.description-content .pub-prose p{font-size:15px;line-height:1.7;text-align:justify}.description-content .pub-prose h3{font-size:17px;line-height:1.7;margin-top:15px;font-weight:700}.description-content .pub-prose h2{font-size:20px;line-height:1.7;margin-top:15px;font-weight:700}.description-actions{padding-top:24px;position:relative}.description-actions button{display:inline-flex;gap:12px;align-items:center;background:var(--accent,#7758ed);color:#fff;padding:13px 22px;border-radius:30px;font-size:14px;font-weight:650}.description-actions button[aria-expanded=true] svg{transform:rotate(180deg)}.description-content img{max-width:100%;height:auto}.description-content :is(pre,table){max-width:100%;overflow:auto}.description-content{overflow-wrap:anywhere}.description-actions button:focus-visible,.description-index a:focus-visible,.description-top:focus-visible{outline:2px solid var(--accent,#7758ed);outline-offset:4px}[data-theme=dark] .description-reader{background:#171524;border-color:#302942}[data-theme=dark] .description-index h2{color:#f1eefb}@media(max-width:900px){.reading-description{grid-template-columns:1fr;gap:22px}.description-index{position:static}.description-book{width:44px;height:44px;margin-bottom:12px;border-radius:13px}.description-index h2{font-size:21px;margin-bottom:10px}.description-progress{margin:18px 0}.description-index ol{max-height:185px}.description-index li{margin-bottom:10px}.description-index li a{font-size:13px}.description-top{display:none}.description-reader{border-radius:20px;padding:24px}.description-content .pub-prose p{font-size:14px;line-height:2.05}.description-content .pub-prose h2{font-size:20px}.description-viewport[data-collapsed=true]{max-height:560px}}@media(prefers-reduced-motion:reduce){.description-progress i{transition:none}}.reading-description{scroll-margin-top:110px}.description-actions[data-sticky=true]{position:sticky;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:5;pointer-events:none}.description-actions[data-sticky=true] button{pointer-events:auto;box-shadow:0 6px 24px #37236b30}.description-index li a:hover,.description-index li a[aria-current]{font-weight:700}