.collection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:36px 0}.collection-card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line,#deded6);border-radius:18px;overflow:hidden;background:white}.collection-card:hover{box-shadow:0 12px 32px #1f332d14;transform:translateY(-2px)}.collection-card img,.collection-cover{width:100%;height:180px;object-fit:cover}.collection-cover{background:#e9eee7;display:grid;place-items:center;color:#294d3f;font-size:60px}.collection-card-body{padding:22px}.collection-card h2{font-size:23px;margin:0 0 10px;overflow-wrap:anywhere}.collection-card p{color:#667168;min-height:48px;white-space:pre-line;overflow-wrap:anywhere}.collection-card small,.collection-heading small,.collection-posts small{color:#778076}.collection-heading{display:flex;gap:32px;align-items:center;margin:30px 0}.collection-heading>img{width:240px;height:160px;object-fit:cover;border-radius:14px}.collection-heading p{white-space:pre-line;overflow-wrap:anywhere}.collection-search{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.collection-search input{flex:1;min-width:160px}.collection-search input,.collection-search select,.collection-search button{font:inherit;padding:12px;border:1px solid #cfd9ce;border-radius:8px;background:white;color:#294238}.collection-posts{padding-left:30px}.collection-posts li{border-bottom:1px solid #deded6;padding:16px 10px 24px;overflow-wrap:anywhere}.collection-posts h2{font-size:22px}.collection-posts a{color:#294238;text-decoration:none}.collection-posts p{color:#667168}.collection-pagination{display:flex;gap:24px;justify-content:center;margin-top:32px}.collection-reading{padding:24px;background:#e9eee7;border:1px solid #d0dccf;border-radius:12px;margin:32px 0}.collection-reading h2{margin:0}.collection-reading [aria-current=page]{font-weight:bold}.collection-reading a{color:#294238}.collection-reading nav{margin:18px 0}.collection-reading li{overflow-wrap:anywhere}@media(max-width:760px){.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.collection-grid{grid-template-columns:1fr}.collection-heading{display:block}.collection-heading>img{width:100%;height:180px}.collection-search input{width:100%}.collection-search select{max-width:100%}}
.skip-link{position:absolute;left:12px;top:-100px;padding:8px 14px;background:#fff;z-index:20}.skip-link:focus{top:12px}
.collections-main{padding-top:64px;padding-bottom:80px}.collections-main .page-title{font-size:40px;line-height:1.3;letter-spacing:-.055em;overflow-wrap:anywhere}.collection-heading>div{min-width:0;flex:1}@media(max-width:520px){.collections-main{padding-top:42px;padding-bottom:60px}.collections-main .page-title{font-size:30px}}


/* 合集是主题入口与阅读目录，与按时间浏览的文章列表区分。 */
.collection-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:32px}.collection-intro p{max-width:650px;color:#667168;line-height:1.8}.collection-all-articles{color:#a95135;font-size:14px;white-space:nowrap}.collection-card-main{display:block;color:inherit;text-decoration:none}.collection-directory-link{display:block;color:#a95135;font-size:14px;margin-top:18px}.collection-start{border-top:1px solid #e4e8df;padding:18px 22px;background:#f9faf6}.collection-start small{display:block;font-size:12px;margin-bottom:8px;color:#778076}.collection-start a{color:#294238;text-decoration:none;display:block;font-size:15px;line-height:1.7;overflow-wrap:anywhere}.collection-card a:focus-visible,.collection-start-button:focus-visible{outline:3px solid #b86c47;outline-offset:-4px}.collection-card-body p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.collection-guide{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px;background:#e9eee7;border-radius:14px}.collection-guide h2{font-size:21px;margin:0 0 8px}.collection-guide p{margin:0;color:#667168;line-height:1.7;font-size:14px}.collection-start-button{display:inline-block;padding:12px 18px;border-radius:9px;background:#294d3f;color:white;text-decoration:none;flex-shrink:0;font-size:14px}.collection-posts li::marker{color:#a95135;font-weight:650}@media(max-width:760px){.collection-intro,.collection-guide{align-items:flex-start;flex-direction:column;gap:16px}.collection-all-articles{white-space:normal}.collection-start-button{max-width:100%;box-sizing:border-box}.collection-grid{gap:18px}}@media(prefers-reduced-motion:reduce){.collection-card:hover{transform:none}}

/* 更紧凑的主题入口、目录和起读区域。 */
.collections-main .collection-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:28px}
.collection-card{border-radius:16px;box-shadow:none;transition:box-shadow .2s,border-color .2s}
.collection-card:hover{transform:none;border-color:#bbc8b8;box-shadow:0 8px 24px #1f332d0c}
.collection-card img,.collection-card .collection-cover{height:140px}
.collection-card .collection-cover{font-size:48px;background:linear-gradient(120deg,#e6ecdf,#f1f1e7)}
.collection-card-body{padding:22px}
.collection-card h2{font-size:24px;line-height:1.5}
.collection-card p{font-size:15px;line-height:1.8;margin:10px 0 18px}
.collection-card small{font-size:13px;color:#626b63}
.collection-directory-link{font-size:14px;font-weight:600}
.collection-start{padding:18px 22px}
.collection-start small{font-size:13px;color:#626b63}
.collection-start a{font-size:16px;line-height:1.8}
.collection-heading{gap:24px;margin:0 0 28px}
.collection-heading>img{width:200px;height:140px}
.collection-heading p{font-size:16px;line-height:1.85}
.collection-guide{padding:24px;gap:24px;border:1px solid #dce3d5}
.collection-posts{margin:24px 0;padding-left:30px}
.collection-posts li{padding:20px 16px;background:#fffefa}
.collection-posts h2{font-size:22px;line-height:1.6;margin:0 0 10px}
.collection-posts p{font-size:15px;line-height:1.85;margin:0 0 12px}
.collection-posts small{font-size:13px;color:#626b63}
.collection-search{padding:16px;background:#fffefa;border:1px solid #deded6;border-radius:12px;gap:10px;margin:24px 0}
.collection-search input{min-height:44px;font-size:16px;min-width:0}
.collection-search select,.collection-search button{min-height:44px;font-size:14px}
.collection-pagination a{padding:9px 14px;border:1px solid #deded6;border-radius:9px;background:#fffefa}
@media(max-width:700px){
 .collections-main .collection-grid{grid-template-columns:1fr;gap:18px}
 .collection-intro{gap:12px}
 .collection-card img,.collection-card .collection-cover{height:120px}
 .collection-heading{display:block}
 .collection-heading>img{width:100%;height:160px;margin-bottom:16px}
 .collection-guide{padding:20px;flex-direction:column;align-items:flex-start;gap:16px}
 .collection-posts{padding-left:24px}
 .collection-posts li{padding:18px 12px}
 .collection-posts h2{font-size:20px}
 .collection-search input{flex-basis:100%;width:100%}
 .collection-reading{padding:18px}
}

/* 文章末尾的合集入口：避免重复当前文章标题。 */
.article-collections{margin:28px 0;padding:20px 0;border-top:1px solid #dfe3d9}
.collection-memberships{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;font-size:14px}
.collection-memberships>span{color:#68756b;margin-right:4px}
.collection-memberships .collection-membership{display:inline-block;padding:6px 12px;border:1px solid #d8e2d5;border-radius:999px;background:#edf2e9;color:#244b3d;text-decoration:none;overflow-wrap:anywhere;line-height:1.6}
.collection-membership:hover{background:#e1eadb}.collection-membership:focus-visible,.collection-neighbors a:focus-visible{outline:2px solid #244b3d;outline-offset:3px}
.collection-neighbors{margin-top:18px;padding-top:16px;border-top:1px solid #e4e8e0}
.collection-neighbors-heading{font-size:14px;font-weight:600;color:#244b3d}.collection-neighbors-heading small{font-weight:400;color:#68756b;margin-left:8px}
.collection-neighbors-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:10px}
.collection-neighbors-links a{display:flex;flex-direction:column;gap:5px;padding:12px 14px;border:1px solid #dfe3d9;border-radius:10px;color:#244b3d;text-decoration:none;overflow-wrap:anywhere;font-size:15px;line-height:1.6}
.collection-neighbors-links small{color:#68756b;font-size:12px}.collection-neighbors-links a:hover{background:#f2f5ef}
@media(max-width:600px){.collection-neighbors-links{grid-template-columns:1fr}.article-collections{padding:16px 0}.collection-memberships{font-size:13px}}

.collection-clear{align-self:center;color:#294d3f;font-size:14px;padding:8px}
.collection-clear[hidden]{display:none}
.collection-search-status{flex-basis:100%;font-size:13px;color:#667168;min-height:1.4em}
[data-collection-results][aria-busy=true]{opacity:.65}