/* 文章索引頁。內容欄最大 1366px。 */
.pg-articles{--pa-brand:#046bd2;--pa-brand-2:#045cb4;--pa-ink:#0a1428;--pa-ink2:#3d4a61;--pa-ink3:#566176;--pa-line:#e6ecf5;--pa-soft:#f5f8fd;--pa-soft2:#eef4fc;color:var(--pa-ink);font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.75}
.pg-articles *,.pg-articles *::before,.pg-articles *::after{box-sizing:border-box}
.pg-articles h1,.pg-articles h2,.pg-articles h3{color:var(--pa-ink);font-weight:600;margin:0}
.pg-articles h1{font-size:clamp(28px,3.4vw,42px);line-height:1.3;letter-spacing:-.01em}
.pg-articles h2{font-size:18px;line-height:1.4;border:0;padding:0}
.pg-articles p{margin:0}
.pg-articles a{color:#1746a2;text-decoration:none;border:0}
.pg-articles a:hover{color:var(--pa-brand-2)}
.pg-articles a:focus-visible,.pg-articles button:focus-visible,.pg-articles input:focus-visible{outline:3px solid #f59e0b;outline-offset:2px;border-radius:6px}
.pg-articles .pa-hero,.pg-articles .pa-layout{width:min(1366px,calc(100% - 48px));margin-inline:auto}
.pg-articles .pa-hero{padding:4px 0 22px;border-bottom:1px solid var(--pa-line)}
.pg-articles .pa-lead{margin-top:12px;color:var(--pa-ink2);max-width:760px}
.pg-articles .pa-stat{margin-top:14px;color:var(--pa-ink3);font-size:14.5px}
.pg-articles .pa-stat strong{color:var(--pa-brand);font-variant-numeric:tabular-nums}
.pg-articles .pa-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:40px;margin-top:32px;align-items:start}
.pg-articles .pa-side{display:flex;flex-direction:column;gap:26px;position:sticky;top:16px}
.pg-articles .pa-side section{border:1px solid var(--pa-line);border-radius:14px;background:#fff;padding:16px 16px 12px}
.pg-articles .pa-side h2{margin-bottom:10px;font-size:15px;color:var(--pa-ink3);font-weight:600}
.pg-articles .pa-cat-link{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:7px 9px;border-radius:9px;color:var(--pa-ink2);font-size:14.5px;overflow-wrap:anywhere}
.pg-articles .pa-cat-link:hover{background:var(--pa-soft2);color:var(--pa-brand-2)}
.pg-articles .pa-cat-link.is-active{background:var(--pa-soft2);color:var(--pa-brand);font-weight:600}
.pg-articles .pa-n{color:var(--pa-ink3);font-size:12.5px;font-variant-numeric:tabular-nums;flex:none}
.pg-articles .pa-search{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pg-articles .pa-search input[type=search]{flex:1 1 220px;min-width:0;padding:10px 14px;border:1px solid var(--pa-line);border-radius:10px;font:inherit;background:#fff;color:var(--pa-ink)}
.pg-articles .pa-search button{padding:10px 20px;border:0;border-radius:10px;background:linear-gradient(135deg,#046bd2,#0775d1);color:#fff;font:inherit;font-weight:600;cursor:pointer}
.pg-articles .pa-search button:hover{background:var(--pa-brand-2)}
.pg-articles .pa-clear{align-self:center;font-size:14px;color:var(--pa-ink3);text-decoration:underline}
.pg-articles .pa-active{margin-bottom:14px}
.pg-articles .pa-active-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--pa-ink3)}
.pg-articles .pa-active-empty{font-size:14px;color:var(--pa-ink3)}
.pg-articles .pa-active-chip{background:var(--pa-soft2);color:var(--pa-brand-2);border-radius:999px;padding:3px 12px;font-size:13.5px}
.pg-articles .pa-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--pa-line)}
.pg-articles .pa-item{border-bottom:1px solid var(--pa-line)}
.pg-articles .pa-item--empty{padding:28px 4px;color:var(--pa-ink3)}
.pg-articles .pa-item-link{display:block;padding:18px 4px}
.pg-articles .pa-item-title{font-size:18px;line-height:1.45;overflow-wrap:anywhere;word-break:break-word;transition:color .18s ease}
.pg-articles .pa-item-link:hover .pa-item-title{color:var(--pa-brand)}
.pg-articles .pa-item-ex{margin-top:7px;color:var(--pa-ink2);font-size:14.5px;overflow-wrap:anywhere}
.pg-articles .pa-item-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px;font-size:12.5px;color:var(--pa-ink3)}
.pg-articles .pa-chip{background:var(--pa-soft);border-radius:999px;padding:2px 10px;color:var(--pa-ink2)}
.pg-articles .pa-chip--lang{background:var(--pa-soft2);color:var(--pa-brand-2)}
.pg-articles .pa-pager{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;margin-top:28px}
.pg-articles .pa-page{padding:7px 14px;border:1px solid var(--pa-line);border-radius:999px;font-size:14px;color:var(--pa-ink2);background:#fff}
.pg-articles .pa-page:hover{border-color:var(--pa-brand);color:var(--pa-brand)}
.pg-articles .pa-page--cur{background:var(--pa-brand);border-color:var(--pa-brand);color:#fff;font-weight:600}
.pg-articles .pa-page--disabled{color:#566176;background:var(--pa-soft);cursor:default}
.pg-articles .pa-gap{color:var(--pa-ink3)}
.pg-articles .pa-more a{text-decoration:underline;text-underline-offset:3px}
.pg-articles .pa-tags{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0}
.pg-articles .pa-tag{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--pa-line);border-radius:999px;padding:6px 14px;font-size:14.5px;color:var(--pa-ink2);background:#fff;overflow-wrap:anywhere}
.pg-articles .pa-tag:hover{border-color:var(--pa-brand);color:var(--pa-brand)}
.pg-articles .pa-empty{padding:24px 4px;color:var(--pa-ink3)}
.pg-articles .pa-more{margin-top:30px;color:var(--pa-ink3);font-size:14.5px}
@media(max-width:900px){
  .pg-articles .pa-layout{grid-template-columns:1fr;gap:26px}
  .pg-articles .pa-side{position:static;flex-direction:row;flex-wrap:wrap}
  .pg-articles .pa-side section{flex:1 1 260px}
}
@media(max-width:640px){
  .pg-articles .pa-side{flex-direction:column}
  .pg-articles .pa-item-title{font-size:16.5px}
}