* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; color: #222; background: #fafafa; }
a { color: #1769aa; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.site-header { background: #243447; color: #fff; }
.header-inner { display: flex; align-items: center; gap: 20px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { color: #fff; font-size: 20px; font-weight: 600; }
.brand:hover { text-decoration: none; }
.search-form { flex: 1; display: flex; gap: 8px; min-width: 220px; }
.search-form input { flex: 1; padding: 7px 10px; border: 1px solid #ccc; border-radius: 4px; }
.search-form button, .button { background: #1769aa; color: #fff; border: 0; border-radius: 4px; padding: 7px 16px; cursor: pointer; font-size: 14px; }
.search-form button:hover, .button:hover { background: #12517f; text-decoration: none; }
.auth-nav { display: flex; align-items: center; gap: 14px; }
.auth-nav a { color: #cfe3f2; }
.username { color: #fff; }
.logout-form { display: inline; margin: 0; }
.link-button { background: none; border: 0; color: #cfe3f2; cursor: pointer; font-size: 14px; padding: 0; }
main.container { padding-top: 20px; padding-bottom: 40px; }
.page-title { font-size: 24px; margin: 6px 0 16px; }
.messages { list-style: none; padding: 0; }
.messages li { background: #e8f4e8; border: 1px solid #bcd8bc; padding: 8px 12px; border-radius: 4px; margin-bottom: 8px; }
.messages li.error { background: #fbeaea; border-color: #e3b8b8; }
.filter-form { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-form select { padding: 6px 8px; border: 1px solid #ccc; border-radius: 4px; }
.search-hint { color: #555; }
.item-list { list-style: none; margin: 0; padding: 0; }
.item-card { background: #fff; border: 1px solid #e3e3e3; border-radius: 6px; padding: 14px 16px; margin-bottom: 12px; }
.item-title { font-size: 17px; font-weight: 600; }
.item-meta { color: #666; font-size: 13px; margin-top: 6px; display: flex; gap: 12px; flex-wrap: wrap; }
.badge { background: #eef4fa; color: #1769aa; border-radius: 3px; padding: 1px 7px; }
.item-intro { color: #444; margin: 8px 0 0; line-height: 1.6; }
.tag-row { margin-top: 8px; }
.tag { background: #f0f0f0; border-radius: 10px; padding: 2px 10px; font-size: 12px; color: #555; margin-right: 6px; }
.pagination { display: flex; gap: 16px; align-items: center; margin-top: 10px; }
.meta-table { border-collapse: collapse; margin-bottom: 16px; }
.meta-table th { text-align: left; color: #666; font-weight: normal; padding: 5px 14px 5px 0; white-space: nowrap; }
.meta-table td { padding: 5px 0; }
.download-box { margin-top: 24px; }
.hint { color: #777; font-size: 13px; }
.error { color: #b00020; }
.auth-form { max-width: 420px; background: #fff; border: 1px solid #e3e3e3; border-radius: 6px; padding: 18px; }
.auth-form p { margin: 0 0 12px; }
.auth-form label { display: block; margin-bottom: 4px; color: #444; }
.auth-form input { width: 100%; padding: 8px 10px; border: 1px solid #ccc; border-radius: 4px; }
.auth-form .helptext { display: block; color: #888; font-size: 12px; margin-top: 4px; }
.auth-form ul.errorlist { color: #b00020; margin: 4px 0; padding-left: 18px; }
.site-footer { border-top: 1px solid #e3e3e3; color: #888; font-size: 13px; padding: 16px 0 24px; }
.empty { color: #888; padding: 20px 0; }