.collection-intro{padding:42px 0 28px}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:15px;color:var(--muted);margin-bottom:28px}.collection-intro h1{font-size:46px;margin:10px 0 16px}.collection-intro .intro{max-width:780px;font-size:21px}.collection-jumps{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.collection-jumps a{border:1px solid var(--line);border-radius:30px;padding:9px 18px}.collection-note{margin-top:18px;color:var(--muted)}.volumes{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:10px 0 45px}.volume{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:28px;background:#fffdf8;border:1px solid var(--line);border-radius:14px;align-items:start;scroll-margin-top:30px}.volume-cover{width:150px;height:auto;box-shadow:3px 5px 14px #183b2820}.volume h2{font-size:27px;margin:6px 0 12px}.volume-description{font-size:18px;min-height:65px}.file-meta{font-size:14px;color:var(--muted);margin:18px 0}.volume-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.volume-actions a{display:inline-flex;align-items:center;min-height:46px;padding:9px 15px;border-radius:8px;font-size:15px}.primary{background:var(--green);color:white}.secondary{border:1px solid var(--line)}.related{padding-bottom:45px}.related a{text-decoration:underline}.volume .eyebrow{font-size:13px}@media(max-width:1000px){.volume{grid-template-columns:110px 1fr;padding:22px;gap:18px}.volume-cover{width:110px}}@media(max-width:760px){.volumes{grid-template-columns:1fr}.volume{grid-template-columns:110px 1fr}.collection-intro h1{font-size:34px}.collection-intro .intro{font-size:19px}.volume h2{font-size:24px}.volume-description{min-height:0;font-size:17px}}@media(max-width:390px){.volume{grid-template-columns:85px 1fr;padding:16px;gap:14px}.volume h2{font-size:22px}.volume-actions a{font-size:14px;padding:8px 10px}.volume-cover{width:85px}}
.learning-path{padding:12px 0 48px}.learning-steps{list-style:none;margin:0 auto;padding:0 0 0 72px;max-width:920px;position:relative}.learning-steps:before{content:'';position:absolute;left:24px;top:28px;bottom:110px;width:2px;background:#b8c8b7}.learning-steps>li{position:relative;margin:0 0 28px;scroll-margin-top:25px}.step-marker{position:absolute;left:-72px;top:26px;display:grid;place-items:center;width:50px;height:50px;border:2px solid #a9812b;border-radius:50%;background:#faf8f2;font-size:25px;color:#14504a}.step-card{display:grid;grid-template-columns:145px 1fr;align-items:center;gap:36px;padding:28px 34px;border:1px solid var(--line);border-radius:14px;background:#fffdf8;transition:border-color .15s}.step-card:hover{border-color:#a9812b}.step-card img{width:145px;box-shadow:3px 5px 14px #183b2820}.step-card h2{margin:8px 0 10px;font-size:30px}.step-card p:not(.eyebrow){font-size:19px}.step-link{display:inline-block;margin-top:22px;color:#275b4b;border-bottom:1px solid #a9812b}.book-detail{padding:40px 0}.detail-hero{display:grid;grid-template-columns:260px 1fr;gap:55px;max-width:1000px;margin:0 auto 45px;align-items:start}.detail-hero>img{width:260px;box-shadow:4px 7px 20px #183b2820}.detail-hero h1{font-size:42px;margin:10px 0}.detail-subtitle{font-size:23px;margin-bottom:20px}.detail-section{max-width:1000px;margin:0 auto;padding:28px 0;border-top:1px solid var(--line)}.detail-section h2{margin-bottom:16px}.detail-section h3{margin:24px 0 10px}.detail-section li{margin-bottom:10px}.detail-section summary{font-size:23px;cursor:pointer;min-height:48px}.next-books{max-width:1000px;margin:24px auto;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.next-books a{text-decoration:underline}
@media(max-width:700px){.learning-steps{padding-left:40px}.learning-steps:before{left:15px;bottom:110px}.step-marker{left:-40px;width:32px;height:32px;top:22px;font-size:18px}.step-card{grid-template-columns:85px 1fr;padding:20px 16px;gap:16px;align-items:start}.step-card img{width:85px}.step-card h2{font-size:23px}.step-card .eyebrow{font-size:12px}.step-card p:not(.eyebrow){font-size:16px}.step-link{font-size:14px;margin-top:16px}.detail-hero{grid-template-columns:1fr;gap:28px}.detail-hero>img{width:200px;margin:auto}.detail-hero h1{font-size:34px}.detail-subtitle{font-size:21px}.detail-section h2{font-size:25px}.book-detail{padding-top:28px}}@media(prefers-reduced-motion:reduce){.step-card{transition:none}}