.knowledge-page{--kb-surface:#111317;--kb-line:#292c32;--kb-muted:#969da8}
.knowledge-page [hidden]{display:none!important}
.knowledge-page #main{overflow:visible;min-width:0}
.kb-workspace{display:grid;grid-template-columns:212px minmax(0,1fr);gap:36px;padding-inline:clamp(20px,2.5vw,48px);align-items:start}
.kb-sidebar{position:sticky;top:65px;max-height:calc(100svh - 65px);overflow:auto;overscroll-behavior:contain;padding:30px 20px 24px 0;border-right:1px solid var(--kb-line);min-height:calc(100svh - 65px);scrollbar-width:thin}
.kb-home{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:500;letter-spacing:-.025em}
.kb-home small{display:block;font-size:9px;letter-spacing:.14em;color:#858d9a;margin-top:5px;font-weight:400}
.kb-mark{display:grid;place-items:center;width:34px;height:34px;font-size:27px;color:#c9ced7}
.kb-sidebar nav{display:flex;flex-direction:column;gap:5px;margin-top:28px}
.kb-category{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px;border:1px solid transparent;border-radius:4px;font-size:13px;color:#aeb4bf;white-space:nowrap}
.kb-category:hover{background:#15171c;color:#e9ecf1}
.kb-category[aria-current=page]{background:#20232a;border-color:#343941;color:#f4f5f7}
.kb-category-symbol{width:19px;text-align:center;font-size:18px;color:#9aa4b4}
.kb-category small{margin-left:auto;font-size:11px;color:#8993a2;font-variant-numeric:tabular-nums}
.kb-sidebar-note{font-size:10px;color:#626c7c;margin:38px 10px 0;line-height:1.8}
.kb-main{padding:26px 0 60px}
.kb-breadcrumb{display:flex;gap:10px;align-items:center;font-size:11px;color:#7d8796}
.kb-breadcrumb a{color:#a5adb9}
.kb-heading{display:flex;justify-content:space-between;gap:24px;align-items:center;margin:28px 0 24px}
.kb-eyebrow{color:#778292;font-size:9px;letter-spacing:.14em}
.kb-heading h1{font-size:30px;line-height:1.4;letter-spacing:-.035em;margin-top:8px}
.kb-heading p[data-kb-description]{color:var(--kb-muted);font-size:13px;line-height:1.8;margin-top:10px;max-width:640px}
.kb-total{flex:none;text-align:right;min-width:120px}
.kb-total strong{display:block;font-size:28px;font-weight:400;color:#dce1e9;letter-spacing:-.035em}
.kb-total span{font-size:10px;color:#7e8999;display:block;margin-top:5px}
.kb-controls{position:sticky;top:65px;z-index:5;background:#08090af5;backdrop-filter:blur(12px);padding:12px 0 10px;border-bottom:1px solid var(--kb-line)}
.kb-search-row{display:flex;align-items:center;justify-content:space-between;gap:20px}
.kb-search{display:flex;align-items:center;gap:10px;flex:1;max-width:550px;min-width:0;border:1px solid #343943;border-radius:4px;background:#111318;padding:0 12px;height:43px}
.kb-search:focus-within{border-color:#b5c0d2;outline:1px solid #b5c0d2}
.kb-search>span{font-size:24px;color:#8793a6}
.kb-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:13px;color:#e2e7ed;appearance:none}
.kb-search input::placeholder{color:#737e8d}
.kb-search input::-webkit-search-cancel-button{appearance:none}
.kb-search button{background:none;color:#a4adbb;font-size:20px;width:26px;height:30px;padding:0;flex:none}
.kb-sort{display:flex;align-items:center;gap:8px;font-size:11px;color:#7f8999;flex:none}
.kb-sort select,.kb-refine select{max-width:190px;background:#111318;border:1px solid #343943;border-radius:4px;color:#c4cbd6;font:inherit;font-size:12px;padding:9px 24px 9px 10px;min-height:38px}
.kb-filter-row{display:flex;align-items:center;gap:4px;margin-top:12px;min-width:0}
.kb-filters{display:flex;align-items:center;gap:22px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#444b58 transparent;min-width:0;flex:1;scroll-behavior:smooth}
.kb-filters button{position:relative;padding:12px 0 10px;background:transparent;color:#8994a5;font:inherit;font-size:12px;white-space:nowrap;border-bottom:2px solid transparent;flex:none}
.kb-filters button:hover{color:#e4e7eb}
.kb-filters button[aria-pressed=true]{color:#f2f4f7;border-bottom-color:#e1e6ef}
.kb-filter-scroll-button{background:#161920;border:1px solid #303641;border-radius:4px;flex:none;width:27px;height:30px;color:#bec6d3;font-size:22px;padding:0}
.kb-filter-scroll-button:disabled{opacity:.3;cursor:default}
.kb-refine{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:10px;min-height:27px;color:#939dab;font-size:11px}
.kb-refine>label{display:flex;align-items:center;gap:8px}
.kb-refine select{min-height:29px;padding-block:4px}
.kb-files input{accent-color:#d9e1ee;margin:0;width:14px;height:14px}
.kb-reset{font-size:11px;color:#c7d0df;background:none;padding:6px 0;text-decoration:underline;text-underline-offset:3px;margin-left:auto}
.kb-results{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 14px;font-size:11px;color:#8b96a7}
.kb-results>span{font-size:10px;color:#697587}
.kb-source-notice{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;padding:12px 14px;border:1px solid var(--kb-line);border-radius:4px;font-size:12px;color:var(--kb-muted)}
.kb-source-notice button{flex:none;background:none;padding:4px;color:#dce1e9;text-decoration:underline;text-underline-offset:3px}
.kb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.kb-card{border:1px solid var(--kb-line);border-radius:4px;background:var(--kb-surface);min-width:0;overflow:hidden;transition:border-color .2s,transform .2s}
.kb-card:hover{border-color:#687488;transform:translateY(-2px)}
.kb-card-link{display:flex;flex-direction:column;height:100%;outline-offset:-3px!important}
.kb-card-cover{position:relative;aspect-ratio:16/10;flex-shrink:0;overflow:hidden;background:#181c22;border-bottom:1px solid var(--kb-line)}
.kb-card-cover>img,.kb-card-cover>.kb-type-cover{position:absolute;inset:0}
.kb-card-cover img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}
.kb-type-cover{height:100%;padding:14px 16px;position:relative;overflow:hidden;background:linear-gradient(130deg,#1a2029,#11151c);display:flex;flex-direction:column;justify-content:space-between}
.kb-type-cover small{font-size:9px;color:#8d9ab0;letter-spacing:.06em}
.kb-type-cover strong{position:absolute;right:14px;top:21px;color:#3a465b;font-size:64px;font-weight:400;letter-spacing:-.045em;line-height:1}
.kb-type-cover>span{font-size:13px;color:#c5cfdf;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:relative;padding-top:8px}
.kb-type-cover[data-type="书籍"],.kb-type-cover[data-type="报告"]{background:linear-gradient(130deg,#252421,#151719)}
.kb-type-cover[data-type="书籍"] strong,.kb-type-cover[data-type="报告"] strong{font-size:40px;color:#43433f}
.kb-type-cover[data-type="产品网站"] strong{font-size:80px;color:#344753}
.kb-card-copy{display:flex;flex-direction:column;flex:1;padding:14px 16px 13px}
.kb-card-type{display:flex;justify-content:space-between;gap:8px;font-size:9px;color:#8d9aaf;min-width:0}
.kb-card-type>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#687487}
.kb-card h3{font-size:15px;line-height:1.5;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.kb-card-copy>p{font-size:11px;line-height:1.65;color:#848f9f;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;margin:6px 0 12px}
.kb-card-foot{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #252a32;padding-top:10px;margin-top:auto;font-size:9px;color:#778499}
.kb-card-foot>span:first-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;min-width:0}
.kb-card-foot>span:last-child{flex:none;color:#afbcd0}
.kb-more{display:block;margin:28px auto 0;padding:12px 26px;border:1px solid #3a424f;border-radius:4px;background:#151920;color:#c7d0df;font-size:12px}
.kb-more:hover{background:#252c37}
.kb-more span{margin-left:18px}
.kb-empty{text-align:center;padding:70px 20px;color:#8795a9;border:1px dashed #343c49;border-radius:4px}
.kb-empty>span{font-size:36px;color:#68778c}
.kb-empty h2{font-size:19px;color:#d0d8e5;margin-top:12px}
.kb-empty p{font-size:12px;line-height:1.8;margin:10px 0 18px}
.kb-empty button{padding:9px 14px;border:1px solid #394556;background:#1b2330;color:#c3cee0;border-radius:4px;font-size:12px;margin:4px}
.kb-noscript{font-size:13px;color:#acb6c6;line-height:1.8;margin-top:24px}
.knowledge-page>.site-footer{margin-top:0;padding-top:32px}
@media(min-width:1700px){.kb-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1100px){.kb-workspace{grid-template-columns:185px minmax(0,1fr);gap:24px}.kb-sidebar{padding-right:14px}.kb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.kb-heading{gap:16px}.kb-total{min-width:100px}.kb-search-row{gap:12px}}
@media(max-width:800px){
 .kb-workspace{display:block}.kb-sidebar{position:static;min-height:0;max-height:none;border-right:0;border-bottom:1px solid var(--kb-line);padding:22px 0 14px;overflow:visible}
 .kb-home{font-size:17px}.kb-home small{font-size:8px}.kb-sidebar-note{display:none}
 .kb-sidebar nav{flex-direction:row;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;gap:8px;margin-top:20px}
 .kb-category{padding:8px 11px;min-height:39px;gap:7px;flex:none;font-size:12px}.kb-category small{font-size:10px;margin-left:4px}.kb-category-symbol{font-size:15px;width:16px}
 .kb-main{padding-top:20px}.kb-heading{margin:22px 0 14px}.kb-heading h1{font-size:26px}.kb-heading p[data-kb-description]{font-size:12px}.kb-total{display:none}.kb-controls{top:65px}.kb-sort>span{display:none}
 .kb-results{margin-top:16px}.kb-grid{gap:14px}
}
@media(max-width:580px){.kb-grid{grid-template-columns:1fr}.kb-search-row{gap:9px}.kb-sort select{font-size:11px;max-width:109px;padding-right:16px}.kb-search input{font-size:12px}.kb-search{padding-inline:9px;gap:5px}.kb-card h3{font-size:16px}.kb-card-copy>p{font-size:12px}.kb-card-type,.kb-card-foot{font-size:10px}.kb-card-copy{padding:15px 16px}.kb-filters{gap:20px}.kb-refine{gap:12px}.kb-total{display:none}}
@media(prefers-reduced-motion:reduce){.kb-card{transition:none}.kb-card:hover{transform:none}.kb-filters{scroll-behavior:auto}}

/* Show the complete reading suggestion on the curated selection. */
body.white-edition .kb-card.is-curated .kb-card-copy>p {display:block;-webkit-line-clamp:unset}