/* Knowledge-specific reading interface. Shared header, footer and contact dock retain their own styles. */
body.wk-page{margin:0;min-width:0;background:#f4f6f8;color:#263343;font-family:Arial,"Microsoft YaHei",sans-serif;--wk-green:#087d50;--wk-border:#e3e8ed;--wk-header-height:92px;--wk-sticky-offset:108px}
body.wk-page.wk-lightbox-open{overflow:hidden}
.wk-page *, .wk-page *:before,.wk-page *:after{box-sizing:border-box}
.wk-page .wk-wrap{width:calc(100% - 64px);max-width:1240px;margin-inline:auto;min-width:0}
.wk-page .wk-masthead{background:#fff;border-bottom:1px solid var(--wk-border)}
.wk-page .wk-masthead-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding-block:28px}
.wk-page .wk-brand{color:#143e2e;font-size:25px;line-height:1.4;font-weight:700;max-width:400px;overflow-wrap:anywhere;flex-shrink:0}
.wk-page .wk-search{display:flex;flex:1;max-width:650px;min-width:0;align-items:stretch;border:1px solid #9eb8aa;border-radius:3px;background:#fff}
.wk-page .wk-search input[type=search]{width:100%;min-width:0;flex:1;border:0;background:transparent;padding:13px 15px;font:15px/1.5 Arial,"Microsoft YaHei",sans-serif;color:#263343;outline:none;border-radius:3px}
.wk-page .wk-search:focus-within{outline:2px solid #087d5040;outline-offset:2px;border-color:var(--wk-green)}
.wk-page .wk-search button{border:0;background:var(--wk-green);color:#fff;padding:12px 22px;font:600 14px/1.5 Arial,"Microsoft YaHei",sans-serif;cursor:pointer;flex-shrink:0;min-height:46px;max-width:40%;overflow-wrap:anywhere}
.wk-page .wk-breadcrumb{padding-block:18px;color:#7b8791;font-size:12px;line-height:1.8;overflow-wrap:anywhere}
.wk-page .wk-breadcrumb a{color:#60766b}.wk-page .wk-breadcrumb a:hover{color:var(--wk-green)}
.wk-page .wk-layout{display:grid;grid-template-columns:228px minmax(0,1fr);gap:26px;align-items:start;padding-bottom:64px}
.wk-page .wk-topics{position:sticky;top:var(--wk-sticky-offset);min-width:0;background:#fff;border:1px solid var(--wk-border);border-radius:3px}
.wk-page .wk-topics summary,.wk-page .wk-toc summary{list-style:none;font-weight:700;cursor:pointer;font-size:16px;line-height:1.6;min-height:50px;padding:15px 18px;color:#20382d}
.wk-page summary::-webkit-details-marker{display:none}
.wk-page .wk-topics summary{border-bottom:1px solid var(--wk-border)}
.wk-page .wk-topic-content{padding:14px 12px 12px;max-height:calc(100dvh - var(--wk-sticky-offset) - 70px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.wk-page .wk-topic-filter{display:block;width:100%;border:1px solid #dde4e1;border-radius:3px;padding:10px;font:13px/1.5 Arial,"Microsoft YaHei",sans-serif;color:#263343;background:#f8faf9;margin:0 0 12px;min-width:0;min-height:44px}
.wk-page .wk-topic-links{display:grid;gap:3px}.wk-page .wk-topic-links a{display:block;padding:10px 12px;font-size:13px;line-height:1.6;color:#576674;border-inline-start:2px solid transparent;border-radius:2px;overflow-wrap:anywhere;min-height:42px}
.wk-page .wk-topic-links a:hover{background:#f2f7f4;color:var(--wk-green)}
.wk-page .wk-topic-links a[aria-current=page]{background:#eaf4ee;color:#087147;border-inline-start-color:var(--wk-green);font-weight:700}
.wk-page .wk-topic-links a[hidden],.wk-page [hidden]{display:none!important}.wk-page .wk-topic-none{font-size:13px;color:#78847d;padding:12px}
.wk-page .wk-panel{min-width:0;background:#fff;border:1px solid var(--wk-border);border-radius:3px;padding:28px 34px}
.wk-page .wk-list-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:22px;border-bottom:2px solid #dce9e1}
.wk-page .wk-list-heading h1{font-size:28px;line-height:1.45;font-weight:700;color:#20392d;margin:0;overflow-wrap:anywhere}
.wk-page .wk-count{color:#839087;font-size:12px;line-height:1.7;flex-shrink:0}.wk-page .wk-count b{font-weight:400;color:#496658;font-variant-numeric:tabular-nums}
.wk-page .wk-query{font-size:14px;color:#60766b;margin:14px 0 0;overflow-wrap:anywhere}
.wk-page .wk-entries{min-width:0}.wk-page .wk-entry-row{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;padding:24px 0;border-bottom:1px solid #e9edf0;min-width:0}
.wk-page .wk-entry-row:has(.wk-entry-thumb){grid-template-columns:minmax(0,1fr) 112px}
.wk-page .wk-entry-row h2{font-size:19px;line-height:1.55;font-weight:600;margin:0 0 10px;overflow-wrap:anywhere;letter-spacing:0;color:#1d3b2c}
.wk-page .wk-entry-row h2 a{color:#165b3a}.wk-page .wk-entry-row h2 a:hover{text-decoration:underline;text-underline-offset:4px}
.wk-page .wk-entry-excerpt{font-size:14px;line-height:1.9;color:#65717a;margin:0 0 12px;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.wk-page .wk-entry-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:12px;line-height:1.6;color:#66776c}.wk-page .wk-entry-meta a{color:#087d50;min-height:32px;display:inline-flex;align-items:center}
.wk-page .wk-entry-thumb{align-self:center;width:112px;height:90px;display:block;background:#f7f9f8;border:1px solid #edf0ee;border-radius:2px;overflow:hidden}
.wk-page .wk-entry-thumb img{width:100%;height:100%;display:block;object-fit:contain}
.wk-page .wk-pagination{display:flex;flex-wrap:wrap;gap:7px;padding-top:26px;align-items:center}
.wk-page .wk-pagination a,.wk-page .wk-pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;border:1px solid #dde5e0;border-radius:2px;padding:8px 12px;font-size:13px;line-height:1.5;color:#496455;background:#fff;text-align:center}
.wk-page .wk-pagination .page-num-current,.wk-page .wk-pagination [aria-current=page]{background:#087d50;color:#fff;border-color:#087d50}.wk-page .wk-pagination a:hover{border-color:#087d50}.wk-page .wk-pagination [aria-disabled=true]{color:#a7b0a9;pointer-events:none;background:#f8faf9}
.wk-page .wk-empty{padding:45px 0;color:#7a8880;font-size:15px;line-height:1.9}.wk-page .wk-empty a{display:inline-flex;align-items:center;min-height:44px;margin-top:16px;color:#087d50;border-bottom:1px solid #a9c6b6}
.wk-page .wk-entry-layout{grid-template-columns:180px minmax(0,1fr) 220px;gap:24px}
.wk-page .wk-toc{position:sticky;top:var(--wk-sticky-offset);min-width:0;border-top:2px solid #087d50;background:#f4f6f8}
.wk-page .wk-toc summary{padding:14px 8px;border-bottom:1px solid #dce3e8}
.wk-page .wk-toc nav{max-height:calc(100dvh - var(--wk-sticky-offset) - 88px);overflow-y:auto;padding:10px 0;overscroll-behavior:contain;scrollbar-width:thin}
.wk-page .wk-toc a{display:block;border-inline-start:2px solid #dfe7e1;color:#617267;padding:8px 9px 8px 12px;font-size:12px;line-height:1.65;overflow-wrap:anywhere;min-height:34px}
.wk-page .wk-toc a.wk-subsection{padding-inline-start:24px;font-size:11px}.wk-page .wk-toc a:hover,.wk-page .wk-toc a[aria-current=location]{color:#087147;border-inline-start-color:#087d50;background:#eaf1ed}
.wk-page .wk-toc a.wk-paragraph-link{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wk-page .wk-toc .wk-toc-top{border:0;margin-bottom:4px;color:#576e5f;font-weight:600}
.wk-page .wk-article{padding:32px 38px;min-width:0}
.wk-page .wk-article-title{margin:0 0 18px;color:#21382e;font-size:32px;line-height:1.5;font-weight:700;overflow-wrap:anywhere;letter-spacing:0}
.wk-page .wk-article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;color:#6b7c70;font-size:12px;line-height:1.9;padding-bottom:22px;border-bottom:1px solid var(--wk-border);margin-bottom:24px}
.wk-page .wk-article-meta a{color:#567763}.wk-page .wk-article-meta time{font-variant-numeric:tabular-nums}
.wk-page .wk-article-body{font-size:16px;line-height:1.95;color:#39444e;overflow-wrap:anywhere;text-align:start;min-width:0}
.wk-page .wk-article-body p{margin:0 0 18px;line-height:1.95}.wk-page .wk-article-body h2{font-size:23px;color:#263d31;font-weight:700;line-height:1.6;letter-spacing:0;margin:34px 0 18px;padding:0 0 11px;border-bottom:1px solid #dfe8e2}
.wk-page .wk-article-body h3{font-size:19px;color:#354c3f;font-weight:700;line-height:1.65;letter-spacing:0;margin:28px 0 16px}.wk-page .wk-article-body h4,.wk-page .wk-article-body h5,.wk-page .wk-article-body h6{font-size:17px;line-height:1.7;margin:24px 0 12px;font-weight:700;color:#354c3f}
.wk-page .wk-article-body a{color:#087d50;text-decoration:underline;text-underline-offset:3px}.wk-page .wk-article-body ul,.wk-page .wk-article-body ol{padding-inline-start:24px;margin:0 0 20px;list-style:revert}.wk-page .wk-article-body li{margin-bottom:6px}
.wk-page .wk-article-body img,.wk-page .wk-article-body video{max-width:100%!important;height:auto!important;display:block;margin:22px auto}
.wk-page .wk-image-button{display:block;max-width:100%;padding:0;border:0;background:transparent;cursor:zoom-in;margin:24px auto}.wk-page .wk-image-button img{margin:0 auto;max-height:540px;object-fit:contain}
.wk-page .wk-article-body table{display:block;width:100%!important;max-width:100%;overflow-x:auto;border-collapse:collapse;table-layout:auto;background:#fff;margin:24px 0;font-size:14px;line-height:1.75}
.wk-page .wk-article-body td,.wk-page .wk-article-body th{padding:11px 13px;border:1px solid #dce4df;min-width:90px;overflow-wrap:normal}.wk-page .wk-article-body th{background:#f2f6f3;font-weight:600}.wk-page .wk-article-body caption{font-size:13px;color:#738077;text-align:start;padding-bottom:9px}
.wk-page .wk-article-body pre{overflow:auto;padding:15px;background:#f5f7f8;max-width:100%;white-space:pre-wrap;font-size:13px}.wk-page .wk-article-body blockquote{border-inline-start:3px solid #bed5c7;padding:12px 18px;background:#f7faf8;margin:24px 0;color:#617367}
.wk-page .wk-article-body figure{margin:26px 0}.wk-page .wk-article-body figcaption{font-size:12px;color:#839087;line-height:1.8;text-align:center;margin-top:9px}
.wk-page .wk-article-body [id],.wk-page #wk-entry-title{scroll-margin-top:calc(var(--wk-header-height) + 24px)}
.wk-page .wk-entry-aside{min-width:0;display:grid;gap:26px}.wk-page .wk-aside-section{border-top:2px solid #d5e6dc;padding-top:14px}.wk-page .wk-aside-section h2{margin:0 0 14px;font-size:15px;line-height:1.6;color:#35513f;font-weight:700}
.wk-page .wk-related-links{display:grid}.wk-page .wk-related-links a{display:block;font-size:13px;line-height:1.8;color:#617468;overflow-wrap:anywhere;padding:12px 0;border-bottom:1px solid #e0e7e2;min-height:44px}.wk-page .wk-related-links a:hover{color:#087d50}
.wk-page .wk-resource-link{display:flex;gap:12px;align-items:center;background:#eaf3ed;border:1px solid #d5e7dc;border-radius:3px;padding:16px;color:#087147;font-size:14px;line-height:1.6;min-height:50px;overflow-wrap:anywhere}.wk-page .wk-resource-icon{font-size:11px;font-weight:700;letter-spacing:.03em;border:1px solid #aacbbb;padding:5px;background:white;flex-shrink:0}
.wk-page .wk-article-download{margin:32px 0;padding:20px;background:#f2f7f3;border:1px solid #dce9df}.wk-page .wk-article-download a{display:inline-flex;align-items:center;min-height:44px;background:#087d50;color:#fff;padding:10px 22px;border-radius:3px;font-size:14px;line-height:1.6}
.wk-page .wk-article-return{display:inline-flex;align-items:center;min-height:44px;color:#087d50;font-size:14px;line-height:1.8;margin-top:20px;border-top:1px solid #dfe7e1;padding-top:16px;width:100%}
.wk-page .wk-no-toc{grid-template-columns:minmax(0,1fr) 220px}.wk-page .wk-no-toc .wk-toc{display:none}
.wk-page .wk-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wk-page a:focus-visible,.wk-page button:focus-visible,.wk-page summary:focus-visible,.wk-page input:focus-visible{outline:2px solid #087d50;outline-offset:3px}
.wk-page .wk-image-dialog{position:fixed;inset:0;margin:auto;border:0;border-radius:4px;padding:50px 24px 20px;background:#fff;max-width:94vw;max-height:92dvh;color:#35473d;overflow:auto}.wk-page .wk-image-dialog::backdrop{background:#10281fd9}
.wk-page .wk-image-dialog img{display:block;width:auto;max-width:calc(94vw - 48px);max-height:calc(92dvh - 110px);height:auto;object-fit:contain;margin:auto}.wk-page .wk-image-dialog p{font-size:13px;line-height:1.7;max-width:900px;margin:14px auto 0}.wk-page .wk-image-close{position:absolute;inset-block-start:6px;inset-inline-end:8px;min-width:44px;min-height:44px;padding:8px 14px;border:0;background:#eef3ef;color:#31513e;font:14px/1.5 Arial,sans-serif;cursor:pointer}
@media(min-width:1101px){.wk-page .wk-topics:not([open])>.wk-topic-content,.wk-page .wk-toc:not([open])>nav{display:block}.wk-page .wk-topics summary,.wk-page .wk-toc summary{cursor:default}}
@media(max-width:1180px){.wk-page .wk-wrap{width:calc(100% - 40px)}.wk-page .wk-entry-layout{grid-template-columns:155px minmax(0,1fr) 185px;gap:18px}.wk-page .wk-article{padding:26px}.wk-page .wk-brand{max-width:310px}.wk-page .wk-list-heading h1{font-size:26px}}
@media(max-width:1100px){.wk-page .wk-layout,.wk-page .wk-entry-layout,.wk-page .wk-no-toc{grid-template-columns:minmax(0,1fr);gap:18px}.wk-page .wk-topics{position:static}.wk-page .wk-topics summary,.wk-page .wk-toc summary{display:flex;align-items:center;justify-content:space-between}.wk-page .wk-topics summary:after,.wk-page .wk-toc summary:after{content:'+';font-size:19px;font-weight:400;color:#6d8775}.wk-page details[open]>summary:after{content:'−'}.wk-page .wk-topic-links{grid-template-columns:repeat(3,minmax(0,1fr))}.wk-page .wk-topic-content{max-height:45dvh}.wk-page .wk-toc{top:var(--wk-header-height);z-index:6;background:#fff;border:1px solid #dce7df}.wk-page .wk-toc summary{padding:12px 18px;min-height:46px}.wk-page .wk-toc nav{max-height:44dvh;padding:8px 12px}.wk-page .wk-toc a{font-size:13px;min-height:44px}.wk-page .wk-entry-aside{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.wk-page .wk-article-body [id],.wk-page #wk-entry-title{scroll-margin-top:calc(var(--wk-header-height) + 70px)}.wk-page .wk-brand{max-width:36%;font-size:23px}.wk-page .wk-masthead-inner{gap:25px}.wk-page .wk-article-title{font-size:29px}}
@media(max-width:640px){.wk-page .wk-wrap{width:calc(100% - 28px)}.wk-page .wk-masthead-inner{display:block;padding-block:20px}.wk-page .wk-brand{display:block;max-width:100%;font-size:21px;margin-bottom:14px}.wk-page .wk-search{max-width:100%}.wk-page .wk-search input[type=search]{padding:11px 10px;font-size:14px}.wk-page .wk-search button{padding:10px 12px;font-size:12px;max-width:38%;min-height:44px}.wk-page .wk-breadcrumb{padding-block:14px;font-size:11px}.wk-page .wk-panel{padding:20px 18px}.wk-page .wk-list-heading{align-items:flex-start;flex-direction:column;gap:8px;padding-bottom:17px}.wk-page .wk-list-heading h1{font-size:25px}.wk-page .wk-count{font-size:12px}.wk-page .wk-entry-row{padding:20px 0;gap:14px}.wk-page .wk-entry-row:has(.wk-entry-thumb){grid-template-columns:minmax(0,1fr) 74px}.wk-page .wk-entry-thumb{width:74px;height:64px}.wk-page .wk-entry-row h2{font-size:17px;line-height:1.65;margin-bottom:8px}.wk-page .wk-entry-excerpt{font-size:13px;line-height:1.85;-webkit-line-clamp:2}.wk-page .wk-entry-meta{font-size:11px;gap:8px}.wk-page .wk-entry-meta a{min-height:40px}.wk-page .wk-topic-links{grid-template-columns:repeat(2,minmax(0,1fr))}.wk-page .wk-topic-links a{font-size:12px;min-height:44px;padding:10px}.wk-page .wk-pagination{gap:6px;padding-top:22px}.wk-page .wk-pagination a,.wk-page .wk-pagination span{min-width:40px;min-height:44px;font-size:12px;padding:8px 10px}.wk-page .wk-pagination .wk-page-edge{display:none}.wk-page .wk-article-title{font-size:26px;line-height:1.5}.wk-page .wk-article-meta{gap:6px 16px;font-size:11px;margin-bottom:20px;padding-bottom:18px}.wk-page .wk-article-body{font-size:16px;line-height:1.9}.wk-page .wk-article-body p{line-height:1.9}.wk-page .wk-article-body h2{font-size:21px;margin:28px 0 16px}.wk-page .wk-article-body h3{font-size:18px}.wk-page .wk-entry-aside{grid-template-columns:minmax(0,1fr);gap:22px}.wk-page .wk-article-download{padding:15px}.wk-page .wk-image-dialog{padding:50px 12px 16px}.wk-page .wk-image-dialog img{max-width:calc(94vw - 24px)}.wk-page .wk-layout{padding-bottom:38px}}
@media(prefers-reduced-motion:reduce){.wk-page *{scroll-behavior:auto!important}}
@media print{.wk-page{background:#fff}.wk-page .single-header,.wk-page .wk-masthead,.wk-page .wk-breadcrumb,.wk-page .wk-toc,.wk-page .wk-entry-aside,.wk-page footer,.wk-page .enterprise-footer,.wk-page .keFu,.wk-page .wl-contact-dock,.wk-page #aff-im-root{display:none!important}.wk-page .wk-wrap,.wk-page .wk-layout{display:block;width:100%;max-width:none;margin:0;padding:0}.wk-page .wk-panel{border:0;padding:0}.wk-page .wk-article-title{font-size:24pt}.wk-page .wk-article-body{font-size:11pt;line-height:1.7}.wk-page .wk-article-body img,.wk-page table{break-inside:avoid}}