.ebook-intro{display:flex;justify-content:space-between;gap:35px;padding:30px 32px;background:#e6e3dc;margin:8px 0 18px;align-items:center}.ebook-intro h2{font-size:30px;line-height:1.65;font-weight:400;margin:10px 0 15px}.ebook-intro p{max-width:690px;margin:0;color:var(--muted)}.ebook-numbers{display:flex;gap:28px;flex-shrink:0}.ebook-numbers>span{font-size:12px;display:block;color:var(--muted)}.ebook-numbers b{display:block;font-family:Georgia,serif;font-size:45px;font-weight:400;line-height:1.4;color:var(--ink)}.ebook-editor-note{font-size:13px;color:var(--muted);margin:0 0 25px}.ebook-toc{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0 0 36px}.ebook-toc a{display:flex;align-items:center;gap:15px;border:1px solid var(--line);padding:9px 14px;font-size:14px}.ebook-toc a:hover{background:#e6e3dc}.ebook-toc small{font-size:12px;color:#82715a}.ebook-stage{margin-bottom:34px;scroll-margin-top:110px}.stage-heading{display:flex;align-items:center;gap:18px;border-bottom:1px solid #9b9182;padding-bottom:15px;margin-bottom:0}.stage-heading>span{font:29px Georgia,serif;color:#8e8b82}.stage-heading h3{font-size:23px;font-weight:400;margin:0}.stage-heading p{font-size:14px;color:var(--muted);margin:4px 0 0}.stage-heading>small{margin-left:auto;font-size:12px;color:var(--muted)}.ebook-question{border-bottom:1px solid var(--line)}.ebook-question summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;padding:19px 6px;font-size:17px;line-height:1.7}.ebook-question summary::-webkit-details-marker{display:none}.ebook-question summary:hover{color:#786047}.ebook-question summary:focus-visible{outline:2px solid #8d795e;outline-offset:2px}.question-sign{font-size:21px;color:#82715a;flex-shrink:0;transition:transform .15s}.ebook-question[open] .question-sign{transform:rotate(45deg)}.ebook-question[open]{background:#faf8f3}.question-content{padding:0 24px 22px}.question-lead{margin:0 0 12px;font-weight:500}.question-content ul{padding-left:22px;margin:0;color:var(--muted)}.question-content li{margin-bottom:9px;line-height:1.85}.question-page{font-size:12px;color:#82715a;margin:18px 0 0}.quick-reference-title{border-top:1px solid #9b9182;padding-top:32px;margin:45px 0 25px}.quick-reference-title h2{font-size:27px;font-weight:400}.quick-reference-title p{color:var(--muted);margin-bottom:0}@media(max-width:700px){.ebook-intro{padding:24px;display:block}.ebook-intro h2{font-size:26px}.ebook-numbers{gap:35px;margin-top:20px}.ebook-numbers b{font-size:36px}.ebook-toc{gap:8px;width:auto;padding:0}.ebook-toc a{font-size:14px;padding:8px 12px;gap:10px}.stage-heading{gap:13px;align-items:flex-start}.stage-heading>small{white-space:nowrap;font-size:12px;margin-top:7px}.stage-heading h3{font-size:21px}.stage-heading p{font-size:14px}.ebook-question summary{font-size:16px;padding:17px 4px}.question-content{padding:0 16px 20px}.question-content li{font-size:16px}.ebook-stage{scroll-margin-top:90px}}@media(prefers-reduced-motion:reduce){.question-sign{transition:none}}