/* Shared styles: index, about, header, nav, footer */
body { margin:0; background:#f4f6fa; color:#2c3e50;
        font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Microsoft JhengHei",sans-serif;
        line-height:1.7; }
*,*::before,*::after { box-sizing:border-box }

header { background:linear-gradient(135deg,#1a3a5c,#2c5282); color:#fff;
          padding:32px 24px; text-align:center; }
header h1 { margin:0; font-size:26px; }
header p { margin:8px 0 0; color:#cdd9e6; font-size:14px; }
header p.updated { margin-top:6px; font-size:12.5px; color:#a8b9cc;
                     letter-spacing:.3px; }

nav.topnav { max-width:680px; margin:18px auto 0; padding:0 20px;
              display:flex; gap:8px; }
.nav-link { flex:1; text-align:center; padding:10px 14px;
             background:#fff; color:#1a3a5c; text-decoration:none;
             border-radius:6px; font-size:14px; font-weight:600;
             box-shadow:0 1px 2px rgba(0,0,0,.05);
             border:1px solid #e6e9ee; transition:background .15s; }
.nav-link:hover { background:#eaf2ff; }
.nav-link.active { background:#1a3a5c; color:#fff; border-color:#1a3a5c; }

main { max-width:680px; margin:0 auto; padding:24px 20px; }

/* index list */
ul { list-style:none; padding:0; margin:0; background:#fff;
      border-radius:8px; box-shadow:0 1px 3px rgba(0,0,0,.06); overflow:hidden; }
li.entry a { display:flex; align-items:center; padding:16px 20px;
              color:#2c3e50; text-decoration:none;
              border-bottom:1px solid #e6e9ee; transition:background .15s; }
li.entry:last-child a { border-bottom:0; }
li.entry a:hover { background:#f4f6fa; }
.date { flex:1; font-weight:600; font-size:15px; color:#1a3a5c; }
.count { color:#7f8c8d; font-size:13px; margin-right:14px; }
.arrow { color:#7f8c8d; }
li.empty { text-align:center; padding:40px; color:#7f8c8d; }

/* about cards */
.intro { background:#fff; border-radius:8px; padding:20px 24px; margin-bottom:18px;
          box-shadow:0 1px 3px rgba(0,0,0,.06); }
.intro h2 { margin:0 0 8px; font-size:18px; color:#1a3a5c; }
.intro p { margin:0; color:#445; font-size:14.5px; }
.card { background:#fff; border-radius:8px; padding:20px 24px; margin-bottom:14px;
         box-shadow:0 1px 3px rgba(0,0,0,.06); }
.card h3 { margin:0 0 10px; font-size:16px; color:#1a3a5c;
            border-left:4px solid #2980b9; padding-left:10px; }
.card p, .card li { font-size:14px; color:#445; }
.card ul { margin:6px 0 0; padding-left:22px; }
.card li { margin-bottom:4px; }
.pill-row { display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }
.pill { display:inline-block; padding:5px 12px; background:#eaf2ff;
         color:#1a3a5c; border-radius:14px; font-size:13px; font-weight:600; }
.pill.cat-1 { background:#e1eefb; color:#2980b9; }
.pill.cat-2 { background:#f3e7fa; color:#8e44ad; }
.pill.cat-3 { background:#fbe4e2; color:#c0392b; }
.pill.cat-4 { background:#dff5ec; color:#16a085; }
.maintainer { margin-top:18px; padding-top:14px; border-top:1px dashed #ccd5e0;
               display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.maintainer .label { color:#7f8c8d; font-size:12.5px; letter-spacing:.5px; }
.maintainer .value { color:#1a3a5c; font-weight:700; font-size:15px; }
.maintainer .badge { background:#1a3a5c; color:#fff; padding:3px 10px;
                      border-radius:4px; font-size:12px; }

/* footer (shared) */
footer.site-footer { margin-top:32px; padding:22px 16px 26px;
                     border-top:1px solid #dde3ec; background:#eef2f7;
                     text-align:center; color:#7f8c8d; font-size:12.5px;
                     line-height:1.7; }
footer.site-footer p { margin:2px 0; }
footer.site-footer .src { color:#5b6b7d; }
footer.site-footer .disclaimer { color:#95a5a6; font-size:11.5px; }
footer.site-footer .copy { margin-top:6px; color:#7f8c8d;
                            font-size:11.5px; letter-spacing:.3px; }
footer.site-footer a { color:#2980b9; text-decoration:none; }
footer.site-footer a:hover { text-decoration:underline; }