/* Borderless's existing navy / gold / white identity, extended for reading. */
:root{--navy:#071f4a;--navy-2:#123061;--ink:#16233b;--muted:#647189;--line:#e5edf5;--line-strong:#d6e0ec;--gold:#bd8a35;--gold-soft:#f6eddd;--surface:#fff;--max:1180px;--ui:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;--reading:"Noto Serif SC","Songti SC","STSong","PingFang SC","Microsoft YaHei",serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background-color:#fff;background-image:linear-gradient(rgba(7,31,74,.016) 1px,transparent 1px),linear-gradient(90deg,rgba(7,31,74,.016) 1px,transparent 1px);background-size:64px 64px;font-family:var(--reading);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,video{max-width:100%}svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:4px}a:hover{color:var(--gold)}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--navy);font-weight:800;line-height:1.4}h1{font-size:clamp(30px,3.3vw,42px);letter-spacing:-.025em}h2{font-size:25px;letter-spacing:-.012em}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:20px;top:12px;z-index:10;transform:translateY(-160%);padding:10px 18px;color:#fff;background:var(--navy);font-family:var(--ui)}.skip-link:focus{transform:none}
.library-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner,.footer-inner,.library-main{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.header-inner{min-height:100px;display:flex;align-items:center;gap:32px}.brand{display:flex;flex-direction:column;flex:none;color:var(--navy);line-height:1.25}.brand-main{font-size:27px;font-weight:900;letter-spacing:-.04em}.brand-sub{margin-top:6px;font-family:var(--ui);font-size:11px;letter-spacing:.07em;color:var(--muted)}.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:26px;margin-left:auto;white-space:nowrap;font-family:var(--ui);font-size:14px;font-weight:650}.site-nav a[aria-current]{color:var(--navy);text-decoration:underline;text-underline-offset:7px;text-decoration-color:var(--gold);text-decoration-thickness:2px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:45px;border:1px solid transparent;border-radius:4px;padding:10px 22px;font-family:var(--ui);font-size:14px;font-weight:700;line-height:1.5;transition:background-color .18s,color .18s}.button--navy{background:var(--navy);color:#fff}.button--navy:hover{color:#fff;background:var(--navy-2)}.button--white{background:#fff;color:var(--navy);border-color:var(--line)}.button--white:hover{background:var(--gold-soft);color:var(--navy)}
.search-form{display:flex;align-items:stretch;gap:12px;padding:14px;margin:28px 0 12px;border:1px solid var(--line);background:#f7f9fc;font-family:var(--ui)}.search-field{display:flex;align-items:center;gap:10px;flex:1;min-width:0;min-height:45px;padding:0 13px;border:1px solid var(--line-strong);border-radius:3px;background:#fff;color:var(--muted)}.search-field input{width:100%;min-width:0;height:43px;padding:0;border:0;outline:0;background:transparent;color:var(--ink);font-family:var(--ui);font-size:14px}.search-field:focus-within{outline:2px solid var(--gold);outline-offset:1px}.search-field input:focus-visible{outline:0}.search-field input::placeholder{color:#78849a;opacity:1}.search-form select{min-width:145px;max-width:220px;border:1px solid var(--line-strong);border-radius:3px;padding:0 32px 0 13px;background:#fff;color:var(--navy);font-family:var(--ui);font-size:14px}.search-form--compact{margin:0;padding:0;border:0;background:transparent;width:280px;gap:0}.search-form--compact .search-field{border-radius:3px 0 0 3px;border-right:0;padding-inline:11px;gap:7px}.search-form--compact .search-field input{font-size:12px}.search-form--compact .search-field svg{width:16px;height:16px}.search-form--compact .button{border-radius:0 3px 3px 0;padding-inline:16px;font-size:13px}
.library-main{padding-block:24px 60px;min-height:65vh}.breadcrumb{margin-bottom:22px;font-family:var(--ui);font-size:12px;color:var(--muted)}.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:0;padding:0;list-style:none}.breadcrumb li+li:before{content:"/";margin-right:9px;color:#bdc7d6}.breadcrumb a:hover{color:var(--navy)}.library-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;align-items:start}.listing-column,.article-column{min-width:0}.listing-heading h1{margin-bottom:8px}.listing-heading>p{margin-bottom:0;font-size:17px;line-height:1.8}.library-sidebar{border-left:1px solid var(--line);padding-left:30px}.topic-nav h2{margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:25px}.topic-nav ul{list-style:none;margin:0;padding:0}.topic-nav li{border-bottom:1px solid var(--line)}.topic-nav li a{display:block;padding:13px 0;font-size:17px;overflow-wrap:anywhere}.topic-nav a[aria-current]{color:var(--gold)}.all-topics{display:inline-flex;align-items:center;gap:10px;margin-top:18px;font-family:var(--ui);font-size:13px;color:var(--muted)}.all-topics svg{width:16px;height:16px}.consult-panel{margin-top:34px;padding:25px 21px;background:var(--navy);border-radius:4px;color:#e0e7f0}.consult-panel h2{font-size:24px;color:#fff;margin-bottom:14px}.consult-panel p{font-size:15px;line-height:1.9;margin-bottom:22px}.consult-panel .button{width:100%}.result-count{margin:17px 0 2px;color:var(--muted);font-family:var(--ui);font-size:12px}.result-count:empty{display:none}.article-row{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;padding:25px 0;border-bottom:1px solid var(--line)}.article-row--media{grid-template-columns:minmax(0,1fr) 190px}.article-meta{display:flex;flex-wrap:wrap;gap:5px 0;align-items:center;margin-bottom:8px;font-family:var(--ui);font-size:12px;line-height:1.7;color:var(--muted)}.article-meta>*+*{margin-left:12px;padding-left:12px;border-left:1px solid var(--line-strong)}.article-meta a:hover{color:var(--gold)}.article-row h2{margin-bottom:10px;font-size:23px;overflow-wrap:anywhere}.article-row h2 a:hover{color:var(--navy-2);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:5px}.article-row__excerpt{margin-bottom:13px;font-size:15px;line-height:1.85;color:#4b5870;overflow-wrap:anywhere;white-space:pre-line}.article-row__image{display:flex;align-items:center;justify-content:center;align-self:start;min-height:130px;background:#fafbfd;border:1px solid var(--line);padding:8px;border-radius:2px}.article-row__image img{display:block;width:auto;max-width:100%;height:auto;max-height:180px;object-fit:contain}.article-row__actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}.read-link{display:inline-flex;align-items:center;gap:9px;color:#8a6020;font-size:14px;font-weight:700}.read-link:hover{text-decoration:underline;text-underline-offset:4px}.read-link svg{width:17px;height:17px}.media-note{font-family:var(--ui);font-size:12px;color:var(--muted)}.pagination{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:7px;margin-top:28px;font-family:var(--ui);font-size:13px}.page-number,.page-control{display:inline-flex;align-items:center;justify-content:center;min-width:38px;min-height:38px;border:1px solid var(--line);border-radius:3px;padding:6px 10px;background:#fff}.page-control{padding-inline:14px}.page-number:hover,.page-control:hover{border-color:var(--gold);color:var(--navy)}.page-number--current{background:var(--navy);border-color:var(--navy);color:#fff}.page-gap{padding-inline:5px;color:var(--muted)}.empty-state{padding:45px 20px 50px;border-bottom:1px solid var(--line);text-align:center}.empty-state h2{font-size:23px;margin-bottom:12px}.empty-state p{max-width:520px;margin:0 auto 20px;color:var(--muted);font-size:15px}.no-script-note{padding:16px;background:#f7f9fc;border:1px solid var(--line);font-family:var(--ui);font-size:13px;color:var(--muted)}.search-status:not(.visually-hidden){padding:12px 0;margin:0;color:var(--muted);font-family:var(--ui);font-size:13px}.article-list[aria-busy="true"]{opacity:.6}.search-retry{margin-top:12px}
.article-heading{margin:2px 0 32px}.article-heading h1{font-size:clamp(29px,3vw,39px);line-height:1.5;margin-bottom:17px;overflow-wrap:anywhere}.article-heading .article-meta{font-size:14px}.article-heading .article-meta a{color:var(--navy);text-decoration:underline;text-underline-offset:4px}.article-body{font-size:18px;line-height:1.95;overflow-wrap:anywhere}.article-body p{margin-bottom:22px;white-space:pre-wrap;word-break:normal}.article-body .article-spacer{height:9px;margin:0}.content-pending{color:var(--muted);border-left:2px solid var(--gold);padding-left:18px}.article-media-list{margin-top:28px}.article-media{margin:0 0 30px}.original-image{display:block;width:fit-content;max-width:100%;border:1px solid var(--line);background:#fff;padding:10px}.original-image img{display:block;width:auto;max-width:100%;height:auto;max-height:none;object-fit:contain}.article-media video{display:block;width:100%;height:auto;max-height:none;background:#09121e;min-height:100px}.article-media figcaption{margin-top:8px;font-family:var(--ui);font-size:13px;color:var(--navy)}.article-media figcaption a,.article-attachment a{display:inline-flex;align-items:center;gap:9px;text-decoration:underline;text-underline-offset:4px}.article-media figcaption svg,.article-attachment svg{width:16px;height:16px}.article-attachment{padding:16px;border:1px solid var(--line);font-family:var(--ui);font-size:14px}.article-topic-link{margin-top:32px;padding-top:22px;border-top:1px solid var(--line);font-family:var(--ui);font-size:14px;color:var(--muted)}.article-topic-link a{color:var(--navy);text-decoration:underline;text-underline-offset:4px}.related-reading{margin-top:40px;border-top:2px solid var(--line);padding-top:20px}.related-reading>h2{font-size:25px;margin-bottom:0}.related-reading .article-row{padding:19px 0}.related-reading .article-row h2{font-size:20px}.related-reading .article-row__image{min-height:90px}.related-reading .article-row__image img{max-height:130px}.library-footer{border-top:1px solid var(--line);background:#f7f9fc}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-block:28px}.footer-inner .brand-main{font-size:22px}.footer-inner nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px 24px;font-family:var(--ui);font-size:12px;color:var(--muted)}
.article-media figcaption{display:flex;flex-wrap:wrap;gap:9px 22px}.related-versions{margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}.related-versions h2{font-size:22px;margin-bottom:10px}.related-versions ul{list-style:none;padding:0;margin:0}.related-versions li+li{border-top:1px solid var(--line)}.related-versions li a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;font-size:15px;color:var(--navy);overflow-wrap:anywhere}.related-versions svg{width:17px;height:17px}
@media(min-width:1500px){.library-main{padding-top:32px}.header-inner{min-height:106px}}
@media(max-width:1100px){.header-inner{gap:20px;flex-wrap:wrap;padding-block:20px}.brand-main{font-size:25px}.site-nav{gap:22px}.search-form--compact{width:250px}.library-layout{grid-template-columns:minmax(0,1fr) 245px;gap:25px}.library-sidebar{padding-left:24px}.article-row--media{grid-template-columns:minmax(0,1fr) 145px}.article-row h2{font-size:21px}.search-form{gap:8px;padding:10px}.search-form select{min-width:120px;max-width:175px}.search-form .button{padding-inline:17px}}
@media(max-width:1100px){.search-form--compact{padding:0;gap:0}}
@media(max-width:900px){.search-form--compact{width:100%;flex-basis:100%;margin-top:2px}.search-form--compact .search-field input{font-size:14px}.library-layout{grid-template-columns:minmax(0,1fr)}.library-sidebar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;border-left:0;border-top:1px solid var(--line);padding:28px 0 0;margin-top:8px}.consult-panel{margin-top:0}.topic-nav li a{font-size:16px;padding-block:10px}.footer-inner{align-items:flex-start}.footer-inner nav{max-width:330px}.article-body{max-width:none}}
@media(max-width:600px){body{font-size:15px}.header-inner,.footer-inner,.library-main{width:calc(100% - 36px)}.header-inner{gap:16px;min-height:0;padding-block:18px}.brand{width:100%}.brand-main{font-size:25px}.brand-sub{font-size:10px;letter-spacing:.03em}.site-nav{margin:0;justify-content:flex-start;gap:24px;font-size:13px}.search-form--compact{margin-top:0}.library-main{padding-top:20px;padding-bottom:40px}.breadcrumb{margin-bottom:21px;font-size:11px}.breadcrumb ol{gap:7px}.breadcrumb li+li:before{margin-right:7px}.listing-heading h1{font-size:32px}.listing-heading>p{font-size:15px}.search-form:not(.search-form--compact){display:grid;grid-template-columns:minmax(0,1fr) auto;gap:9px;margin-top:22px;padding:10px}.search-form:not(.search-form--compact) .search-field{grid-column:1/-1}.search-form select{width:100%;max-width:none;min-height:45px}.search-form .button{padding-inline:20px}.result-count{margin-top:17px}.article-row{gap:14px;padding:24px 0}.article-row--media{grid-template-columns:minmax(0,1fr) 100px}.article-row h2{font-size:20px;line-height:1.5;margin-bottom:10px}.article-meta{font-size:11px}.article-meta>*+*{margin-left:9px;padding-left:9px}.article-row__image{min-height:90px;padding:5px;margin-top:4px}.article-row__image img{max-height:145px}.article-row__excerpt{font-size:14px;line-height:1.8}.article-row--media .article-row__excerpt{grid-column:1/-1}.article-row__actions{gap:10px}.read-link{font-size:13px;gap:6px}.media-note{font-size:11px}.pagination{gap:5px;margin-top:24px;font-size:12px}.page-number{min-width:33px;min-height:36px;padding-inline:7px}.page-control{padding-inline:9px;min-height:36px}.library-sidebar{grid-template-columns:minmax(0,1fr);gap:26px;margin-top:7px}.topic-nav h2{font-size:23px}.topic-nav ul{display:flex;flex-wrap:wrap;gap:0 20px}.topic-nav li{min-width:calc(50% - 10px);max-width:100%}.topic-nav li a{font-size:15px}.all-topics{margin-top:13px}.consult-panel{padding:25px 22px}.consult-panel h2{font-size:23px}.consult-panel .button{max-width:240px}.article-heading{margin-bottom:27px}.article-heading h1{font-size:29px;line-height:1.5;margin-bottom:17px}.article-heading .article-meta{font-size:12px}.article-body{font-size:17px;line-height:1.95}.article-body p{margin-bottom:21px}.original-image{padding:6px}.article-media{margin-bottom:25px}.article-media-list{margin-top:24px}.related-reading{margin-top:32px}.related-reading>h2{font-size:23px}.related-reading .article-row h2{font-size:19px}.related-reading .article-row--media{grid-template-columns:minmax(0,1fr) 90px}.footer-inner{flex-direction:column;gap:22px;padding-block:26px}.footer-inner .brand-main{font-size:22px}.footer-inner nav{justify-content:flex-start;gap:13px 22px;font-size:12px;max-width:none}.empty-state{padding:35px 8px}.empty-state h2{font-size:21px}}
@media(max-width:360px){.header-inner,.footer-inner,.library-main{width:calc(100% - 28px)}.article-row--media{grid-template-columns:minmax(0,1fr) 82px}.article-row h2{font-size:19px}.brand-main{font-size:23px}.site-nav{gap:20px}.page-control{padding-inline:7px}.page-number{min-width:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}