/* Shande Knowledge & eBook expansion v1 */
.knowledge-shell{background:linear-gradient(180deg,#fffdf9 0%,#faf7ef 100%)}
.knowledge-intro{padding:52px 0 22px}.knowledge-intro__grid{display:grid;grid-template-columns:1.3fr .7fr;gap:46px;align-items:end}
.knowledge-intro h1,.hub-hero h1,.ebook-hero h1{font-family:var(--serif);font-weight:500;line-height:1.03;margin:8px 0 14px;font-size:clamp(40px,4vw,62px)}
.knowledge-intro p,.hub-hero p,.ebook-hero p{color:var(--muted);font-size:14px;line-height:1.7}
.topic-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:24px 0 10px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;min-height:118px;box-shadow:0 6px 18px rgba(17,43,35,.045);display:flex;flex-direction:column}
.topic-card span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);font-weight:800}.topic-card h2{font-size:19px;margin:8px 0 6px}.topic-card p{font-size:10.8px;line-height:1.5;color:var(--muted);margin:0}.topic-card b{font-size:10px;color:var(--jade);margin-top:auto;padding-top:10px}
.library-section{padding:48px 0}.library-section--cream{background:#f7f2e8}.library-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}.library-head h2{font-family:var(--serif);font-size:34px;font-weight:500;margin:5px 0}.library-head p{font-size:12px;color:var(--muted);max-width:560px}.library-head a{font-size:11px;color:var(--jade);font-weight:800}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 7px 20px rgba(17,43,35,.055);display:flex;flex-direction:column}.feature-card figure{aspect-ratio:5/3;background:#ece5d8;overflow:hidden}.feature-card figure img{width:100%;height:100%;object-fit:cover}.feature-card__body{padding:18px;display:flex;flex-direction:column;flex:1}.feature-card small{color:var(--gold);text-transform:uppercase;letter-spacing:.14em;font-size:9px;font-weight:800}.feature-card h3{font-family:var(--serif);font-size:21px;line-height:1.15;margin:7px 0}.feature-card p{font-size:11.2px;color:var(--muted);line-height:1.55}.feature-card b{margin-top:auto;font-size:10.5px;color:var(--jade)}
.ebook-band{margin-top:12px;background:linear-gradient(135deg,#f6efe2,#fffdf9);border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.ebook-band h2{font-family:var(--serif);font-size:30px;font-weight:500;margin:4px 0 8px}.ebook-band p{font-size:12px;color:var(--muted);max-width:660px}.ebook-band__books{display:flex}.ebook-band__books img{width:105px;height:138px;object-fit:cover;border-radius:7px;box-shadow:0 10px 20px rgba(0,0,0,.14);border:5px solid #fff}.ebook-band__books img+img{margin-left:-24px;transform:translateY(9px)}
.contact-ribbon{background:var(--jade);color:#fff;border-radius:18px;padding:28px 30px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.contact-ribbon h2{font-family:var(--serif);font-size:28px;font-weight:500;margin:0 0 5px}.contact-ribbon p{font-size:11.5px;color:rgba(255,255,255,.78);margin:0}.contact-ribbon__actions{display:flex;gap:10px;flex-wrap:wrap}.btn--light{background:#fff;color:var(--jade)}
.hub-hero{background:#f7f2e8;padding:46px 0}.hub-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}.hub-hero figure{border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#ece5d8;aspect-ratio:5/3}.hub-hero figure img{width:100%;height:100%;object-fit:cover}.hub-nav{margin-top:17px;font-size:11px;color:var(--jade);font-weight:800}
.hub-articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.hub-articles .feature-card h3{font-size:20px}
.article-keypoints{background:#f8f4eb;border:1px solid #e7ddcd;border-radius:14px;padding:20px 22px;margin:0 0 28px}.article-keypoints b{display:block;color:var(--jade);margin-bottom:8px}.article-keypoints ul{margin:0;padding-left:18px}.article-keypoints li{margin:5px 0;font-size:12.5px;color:#4f5d58}
.article-body h2{font-family:var(--serif);font-size:26px;line-height:1.2;color:var(--jade);font-weight:500;margin:32px 0 8px}.article-body p{margin:0 0 15px}.article-body .refs{margin-top:32px;border-top:1px solid var(--line);padding-top:20px}.article-body .refs h2{font-size:20px;margin-top:0}.article-body .refs li{margin:7px 0;font-size:11.5px}.article-body .refs a{text-decoration:underline;text-underline-offset:3px}
.booking-card .btn{width:100%;margin:5px 0}.booking-card .text-link{display:block;margin-top:12px}.booking-card .wechat-mini{display:flex;gap:10px;align-items:center;margin-top:12px}.booking-card .wechat-mini img{width:54px;height:54px;border-radius:6px}.booking-card .wechat-mini span{font-size:10px;line-height:1.35;color:var(--muted)}
.ebook-hero{padding:52px 0;background:linear-gradient(135deg,#f5efe3,#fffdf9)}.ebook-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.ebook-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;grid-template-columns:210px 1fr;box-shadow:0 8px 24px rgba(17,43,35,.055)}.ebook-card figure{min-height:280px;background:#ece5d8}.ebook-card figure img{width:100%;height:100%;object-fit:cover}.ebook-card__body{padding:24px;display:flex;flex-direction:column}.ebook-card small{color:var(--gold);font-weight:800;letter-spacing:.12em;text-transform:uppercase}.ebook-card h2{font-family:var(--serif);font-size:28px;line-height:1.1;margin:8px 0}.ebook-card p{font-size:11.5px;line-height:1.55;color:var(--muted)}.ebook-card__buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:14px}.ebook-card__buttons .btn{padding:9px 14px;min-height:40px}
.home-knowledge-teaser{padding:54px 0;background:#fff}.home-knowledge-teaser .feature-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:1050px){.topic-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.hub-articles{grid-template-columns:repeat(2,1fr)}.ebook-grid{grid-template-columns:1fr}.knowledge-intro__grid,.hub-hero__grid{grid-template-columns:1fr}.hub-hero figure{max-width:720px}.ebook-band{grid-template-columns:1fr}.ebook-band__books{justify-content:flex-start}}
@media(max-width:720px){.knowledge-intro{padding-top:36px}.topic-grid,.feature-grid,.hub-articles{grid-template-columns:1fr}.library-head{display:block}.ebook-card{grid-template-columns:1fr}.ebook-card figure{min-height:210px;max-height:250px}.contact-ribbon{grid-template-columns:1fr}.ebook-band{padding:22px}.ebook-band__books img{width:92px;height:122px}.home-knowledge-teaser .feature-grid{grid-template-columns:1fr}}

/* Wave 1 content release */
.v21-depth{background:#fff}.v21-depth__head{max-width:720px;margin-bottom:24px}.v21-depth__head h2{font-family:var(--serif);font-size:clamp(30px,3vw,44px);font-weight:500;margin:5px 0}.v21-depth__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.v21-depth__card{border:1px solid var(--line);border-radius:16px;padding:24px;background:linear-gradient(180deg,#fff,#fbf8f1)}.v21-depth__card h3{font-family:var(--serif);font-size:23px;font-weight:500;color:var(--jade);margin:0 0 10px}.v21-depth__card p{font-size:12.2px;line-height:1.75;color:var(--muted);margin:0}.nav-dropdown--library{min-width:280px}.nav-dropdown--library a strong{display:block}.ebook-card figure{aspect-ratio:3/4;min-height:0}.ebook-card figure img{object-fit:cover}.v21-library-note{max-width:760px;margin:0 auto;text-align:center}.article-body section[id],.article-body h2[id]{scroll-margin-top:130px}@media(max-width:850px){.v21-depth__grid{grid-template-columns:1fr}}

/* WAVE 3 EBOOK PRESENTATION — crisp full-cover previews */
.ebook-card figure{aspect-ratio:800/1132;min-height:0;background:#f4efe6;display:flex;align-items:center;justify-content:center;padding:0}
.ebook-card figure img{width:100%;height:100%;object-fit:contain;object-position:center;background:#f4efe6}
.ebook-card__body{min-width:0}
.ebook-card h2{overflow-wrap:anywhere}
.ebook-band__books img{object-fit:contain;background:#f4efe6}
@media(max-width:720px){.ebook-card figure{max-height:none;min-height:0;aspect-ratio:800/1132}.ebook-card figure img{object-fit:contain}}
/* Wave 3 V2 ebook presentation: show the complete book cover, never crop it. */
.ebook-card{grid-template-columns:220px minmax(0,1fr);align-items:stretch}
.ebook-card figure{aspect-ratio:auto!important;min-height:0!important;max-height:none!important;padding:16px;background:#f6f1e8;display:flex;align-items:flex-start;justify-content:center}
.ebook-card figure img{display:block;width:100%;height:auto!important;max-height:none!important;object-fit:contain!important;object-position:center top;background:transparent;border-radius:8px;box-shadow:0 8px 22px rgba(24,49,41,.14)}
@media(max-width:720px){.ebook-card{grid-template-columns:1fr}.ebook-card figure{padding:18px 18px 8px}.ebook-card figure img{width:min(78%,300px);margin-inline:auto}.ebook-card__body{padding-top:18px}}

/* Wave 4 - uniform eBook presentation: complete covers, consistent alignment, no clipping */
.ebook-grid{align-items:stretch}
.ebook-card{grid-template-columns:220px minmax(0,1fr);align-items:stretch;overflow:hidden}
.ebook-card figure{margin:0!important;padding:14px!important;background:#f6f1e8!important;display:flex!important;align-items:flex-start!important;justify-content:center!important;min-width:0;overflow:visible!important}
.ebook-card figure img{display:block!important;width:100%!important;height:auto!important;max-width:100%!important;max-height:none!important;aspect-ratio:auto!important;object-fit:contain!important;object-position:center top!important;background:transparent!important;border-radius:7px;box-shadow:0 7px 18px rgba(24,49,41,.12)}
.ebook-card__body{padding:24px!important;min-width:0;display:flex;flex-direction:column}
.ebook-card h2{overflow-wrap:normal!important;word-break:normal!important;hyphens:auto;margin:8px 0 10px}
.ebook-card__subtitle{min-height:3.1em}
.ebook-card__buttons{margin-top:auto}
@media(max-width:920px){.ebook-grid{grid-template-columns:1fr}.ebook-card{grid-template-columns:200px minmax(0,1fr)}}
@media(max-width:720px){.ebook-card{grid-template-columns:1fr}.ebook-card figure{padding:18px 18px 8px!important}.ebook-card figure img{width:min(78%,320px)!important;margin-inline:auto}.ebook-card__body{padding:18px 20px 22px!important}.ebook-card__subtitle{min-height:0}}
\n/* Wave 4 V2 - definitive uniform eBook library cards */\n.ebook-grid{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:24px!important;align-items:stretch!important}\n.ebook-card{display:grid!important;grid-template-columns:230px minmax(0,1fr)!important;align-items:stretch!important;background:#fff!important;border:1px solid var(--line)!important;border-radius:18px!important;overflow:hidden!important;box-shadow:0 8px 24px rgba(17,43,35,.055)!important;min-width:0!important}\n.ebook-card figure{margin:0!important;padding:0!important;width:230px!important;min-width:230px!important;aspect-ratio:210/297!important;align-self:start!important;background:#f6f1e8!important;overflow:hidden!important;display:block!important}\n.ebook-card figure img{display:block!important;width:100%!important;height:100%!important;max-width:none!important;max-height:none!important;object-fit:contain!important;object-position:center top!important;background:#f6f1e8!important;border-radius:0!important;box-shadow:none!important}\n.ebook-card__body{padding:26px 30px 24px!important;min-width:0!important;display:flex!important;flex-direction:column!important;align-self:stretch!important}\n.ebook-card small{display:block!important;min-height:1.35em!important;color:var(--gold)!important;font-weight:800!important;letter-spacing:.12em!important;text-transform:uppercase!important}\n.ebook-card h2{font-family:var(--serif)!important;font-size:clamp(23px,1.55vw,28px)!important;line-height:1.08!important;margin:10px 0 12px!important;overflow-wrap:normal!important;word-break:normal!important;hyphens:auto!important}\n.ebook-card__subtitle{font-size:12px!important;line-height:1.5!important;min-height:3.15em!important;margin:0 0 12px!important}\n.ebook-card__body>p:not(.ebook-card__subtitle){font-size:12px!important;line-height:1.55!important;margin:0!important;color:var(--muted)!important}\n.ebook-card__buttons{display:flex!important;gap:10px!important;flex-wrap:wrap!important;margin-top:auto!important;padding-top:18px!important}\n.ebook-card__buttons .btn{min-height:42px!important;padding:10px 16px!important}\n@media(max-width:1180px){.ebook-grid{grid-template-columns:1fr!important}.ebook-card{grid-template-columns:230px minmax(0,1fr)!important}}\n@media(max-width:720px){.ebook-card{grid-template-columns:1fr!important}.ebook-card figure{width:min(72vw,300px)!important;min-width:0!important;margin:18px auto 0!important;aspect-ratio:210/297!important;border-radius:10px!important}.ebook-card__body{padding:20px 22px 24px!important}.ebook-card h2{font-size:25px!important}.ebook-card__subtitle{min-height:0!important}.ebook-card small{min-height:0!important}}\n
/* Wave 5: preserve uniform full-cover previews and 20-book grid */
.ebook-card figure img{object-fit:contain!important;object-position:center top!important}.ebook-card figure{background:#f6f1e8!important}.ebook-card__body{min-width:0!important}.ebook-card__buttons{margin-top:auto!important}