/* 资源下载站样式（无框架依赖） */
:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px; line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* 头部 */
.site-header { background: var(--card); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 18px; min-height: 56px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 17px; color: var(--text); }
.main-nav { display: flex; gap: 14px; flex: 1; }
.main-nav a, .user-nav a { color: var(--muted); font-size: 14px; }
.main-nav a:hover, .user-nav a:hover { color: var(--primary); text-decoration: none; }
/* 导航里的按钮样式（注册等）保持白字，避免被导航链接灰色覆盖 */
.main-nav a.btn, .user-nav a.btn, .main-nav a.btn:hover, .user-nav a.btn:hover { color: #fff; text-decoration: none; }
.user-nav { display: flex; gap: 12px; align-items: center; }
.admin-link { font-weight: 600; }
.cat-bar { background: var(--card); border-bottom: 1px solid var(--line); }
.cat-bar .container { display: flex; gap: 6px; overflow-x: auto; padding-top: 6px; padding-bottom: 6px; }
.cat-bar a { padding: 4px 12px; border-radius: 999px; color: var(--muted); white-space: nowrap; font-size: 14px; }
.cat-bar a.active, .cat-bar a:hover { background: #eef2ff; color: var(--primary); text-decoration: none; }

/* 主体 */
.main-content { padding: 20px 16px 40px; min-height: 60vh; }
.layout-2col { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 20px; }
@media (max-width: 860px) { .layout-2col { grid-template-columns: 1fr; } }
.col-side { display: flex; flex-direction: column; gap: 16px; }

/* 搜索 */
.search-box { margin-bottom: 18px; }
.search-box form { display: flex; gap: 8px; }
.search-box input[type="search"] {
  flex: 1; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 15px; background: var(--card);
}

/* 资源卡片 */
.resource-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.resource-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.rc-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rc-title { font-weight: 600; font-size: 16px; color: var(--text); }
.rc-desc { margin: 6px 0; color: var(--muted); font-size: 14px; }
.rc-meta { display: flex; gap: 14px; }
.section-title { font-size: 18px; margin: 4px 0 12px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; background: #eef2ff; color: var(--primary); font-size: 12px; }
.badge-paid { background: #fef3c7; color: #92400e; }
.badge-ok { background: #dcfce7; color: #166534; }
.badge-warn { background: #fef3c7; color: #92400e; }
.badge-bad { background: #fee2e2; color: #991b1b; }

/* 组件 */
.btn {
  display: inline-block; padding: 8px 18px; border: none; border-radius: var(--radius);
  background: var(--primary); color: #fff; font-size: 14px; cursor: pointer; text-decoration: none; line-height: 1.5;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-lg { padding: 12px 26px; font-size: 16px; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { display: block; text-align: center; width: 100%; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: #eef2ff; }

.card-form {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 18px;
}
.card-form label { display: block; margin-bottom: 12px; font-size: 14px; }
.card-form label.check { display: flex; align-items: center; gap: 8px; }

/* 全局表控件统一外观（后台表格内联编辑、筛选栏、卡片表单共用） */
input[type="text"], input[type="email"], input[type="password"], input[type="search"],
input[type="number"], input[type="url"], input[type="tel"], select, textarea {
  padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px;
  background: #fff; color: var(--text); font-family: inherit; line-height: 1.5; box-sizing: border-box;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus,
input[type="search"]:focus, input[type="number"]:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37, 99, 235, .12);
}
textarea { resize: vertical; }
input[type="checkbox"], input[type="radio"] {
  width: 16px; height: 16px; margin: 0; accent-color: var(--primary); vertical-align: middle; flex: none; cursor: pointer;
}
select { cursor: pointer; }

.card-form input[type="text"], .card-form input[type="email"], .card-form input[type="password"],
.card-form input[type="search"], .card-form input[type="number"], .card-form input[type="file"],
.card-form select, .card-form textarea, .row-form input, .row-form select, .row-form textarea {
  width: 100%; margin-top: 4px; background: #fff;
}
.card-form textarea { resize: vertical; }
.row-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.row-form label { flex: 1 1 140px; font-size: 13px; }
.row-form input, .row-form select { margin-top: 2px; }
.row-form .grow { flex: 3 1 240px; }

/* 后台设置页：统一两/三列字段栅格，复选框独占一行 */
.field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 16px; margin-bottom: 12px; }
.field-grid.col-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-grid .field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); margin: 0; }
.field-grid .field > input, .field-grid .field > select, .field-grid .field > textarea {
  width: 100%; margin-top: 0; color: var(--text);
}
.field-grid .span-all { grid-column: 1 / -1; }
.check-row { display: flex; align-items: flex-start; gap: 8px; margin: 0 0 12px; font-size: 14px; line-height: 1.5; }
.check-row input[type="checkbox"] { margin-top: 3px; }
.hint { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.table input[type="text"], .table input[type="number"], .table select { padding: 5px 8px; font-size: 13px; }
.filter-bar input[type="text"], .filter-bar input[type="search"], .filter-bar select { padding: 7px 10px; }

.side-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.side-card h3 { margin: 0 0 8px; font-size: 15px; }
.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li { padding: 4px 0; }

/* 详情页 */
.detail-head h1 { margin: 0 0 6px; font-size: 24px; }
.detail-desc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; margin: 16px 0; }
.detail-actions { display: flex; gap: 12px; margin-bottom: 20px; }

/* 评论 */
.comments { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; }
.comment-list { list-style: none; padding: 0; margin: 0 0 16px; }
.comment { border-bottom: 1px solid var(--line); padding: 10px 0; }
.comment:last-child { border-bottom: none; }
.comment-head { display: flex; gap: 10px; align-items: baseline; }
.comment-body { font-size: 14px; }
.report-box { margin-top: 12px; }

/* 下载页 */
.dl-list { display: flex; flex-direction: column; gap: 10px; margin: 14px 0; }
.dl-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; }
.verify-box, .pay-box { margin-top: 10px; }
.code-input { letter-spacing: 2px; }
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }
.flash-info { background: #e0f2fe; color: #075985; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { background: #f9fafb; font-size: 13px; color: var(--muted); font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.inline { display: inline; }
.filter-bar { display: flex; gap: 8px; margin-bottom: 14px; align-items: center; flex-wrap: wrap; }

/* 分页 */
.pagination { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0; }
.pagination a, .pagination span, .pagination .current { padding: 5px 11px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; font-size: 14px; color: var(--text); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 后台 */
.admin-wrap { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 20px; padding: 20px 16px 40px; }
@media (max-width: 860px) { .admin-wrap { grid-template-columns: 1fr; } }
.admin-side { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px; align-self: start; }
.admin-side a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text); font-size: 14px; }
.admin-side a.active, .admin-side a:hover { background: #eef2ff; color: var(--primary); text-decoration: none; }
.admin-main { min-width: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; color: var(--text); }
.stat-card:hover { text-decoration: none; border-color: var(--primary); }
.stat-card b { font-size: 24px; }
.stat-card span { color: var(--muted); font-size: 13px; }
.quota-bar { height: 10px; background: #eef2f7; border-radius: 999px; overflow: hidden; }
.quota-bar i { display: block; height: 100%; background: var(--primary); }
.code-list { background: #0f172a; color: #a5f3fc; padding: 16px; border-radius: var(--radius); overflow-x: auto; font-size: 14px; }

/* 其他 */
.empty { background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 30px; text-align: center; color: var(--muted); }
.error-page { text-align: center; padding: 60px 0; }
.error-page h1 { font-size: 56px; margin: 0; color: var(--primary); }
.ad-slot { margin: 12px 0; }
.site-footer { background: var(--card); border-top: 1px solid var(--line); padding: 24px 0 30px; margin-top: 30px; font-size: 13px; color: var(--muted); }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 0; }
.legal-text p { font-size: 14px; }
.auth-box { max-width: 420px; margin: 30px auto; }
.wide-form { max-width: 760px; }
.cap-field { margin: 12px 0; }
}
code { background: #f3f4f6; padding: 1px 6px; border-radius: 6px; font-size: 13px; }
details summary { cursor: pointer; }