/* ============================================================
   Go 多功能下载站 · 简洁主题 (Minimalism)
   设计系统: 单主色 + 单色基底 / 无阴影 / 高对比 / 网格布局
   ============================================================ */

:root {
  /* 色彩: 单主色(蓝) + 中性灰阶 */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #eff6ff;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --ok: #16a34a;
  --ok-soft: #f0fdf4;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --err: #dc2626;
  --err-soft: #fef2f2;

  /* 形状与字体 */
  --radius: 8px;
  --radius-sm: 6px;
  --font: "Inter", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;

  /* 交互 */
  --t-fast: 150ms;
  --t-base: 200ms;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary-soft); color: var(--primary-dark); }

a { color: var(--primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--primary-dark); }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.muted { color: var(--muted); }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

/* ---------- 头部 ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 60px; }
.logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--primary);
  display: inline-block;
}
.logo:hover { color: var(--text); }

.main-nav { display: flex; gap: 4px; flex: 1; }
.main-nav a {
  color: var(--muted);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}
.main-nav a:hover { color: var(--text); background: var(--bg-soft); }

.user-nav { display: flex; align-items: center; gap: 10px; }

/* 公告 */
.announcement {
  background: var(--primary-soft);
  color: var(--primary-dark);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  border: 1px solid transparent;
  cursor: pointer;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast), opacity var(--t-fast);
  text-align: center;
  line-height: 1.4;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-soft); }
.btn-danger { background: var(--err); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-text { background: transparent; color: var(--muted); border-color: transparent; }
.btn-text:hover { color: var(--primary); background: var(--primary-soft); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-xs { padding: 3px 9px; font-size: 12px; }
.btn-lg { padding: 12px 40px; font-size: 16px; }
.btn-block { display: block; width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- 图标 ---------- */
.icon { vertical-align: -3px; flex-shrink: 0; }
.icon-text { font-size: 15px; line-height: 1; vertical-align: -2px; flex-shrink: 0; }
.btn .icon { vertical-align: -2px; margin-right: 4px; }
a .icon, .file-meta .icon, .detail-meta .icon { color: var(--muted); }

/* ---------- 页面主体 ---------- */
.page-body { padding: 32px 0 72px; min-height: 70vh; }

/* Hero */
.hero { text-align: center; padding: 56px 0 36px; }
.hero h1 { font-size: 34px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 10px; }
.hero p { color: var(--muted); margin-bottom: 28px; font-size: 15px; }
.search-bar { display: flex; justify-content: center; gap: 10px; max-width: 560px; margin: 0 auto; }
.search-bar input {
  flex: 1;
  padding: 11px 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.search-bar input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }

/* 区块 */
.section { margin: 34px 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.section-head h2 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.more { font-size: 13px; color: var(--muted); }
.more:hover { color: var(--primary); }

/* 文件卡片 */
.file-grid {
  display: grid;
  /* minmax(0,1fr) 防止长标题/长标签把某列撑宽，保证卡片等宽 */
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.file-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}
.file-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}
.file-card-body { padding: 18px; }
.file-title {
  font-size: 15px;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap; /* 标题过长省略号截断 */
}
.file-title:hover { color: var(--primary); }
.file-desc {
  color: var(--muted);
  font-size: 13px;
  height: 40px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2; /* 描述最多 2 行，超出省略 */
  -webkit-box-orient: vertical;
  word-break: break-word;
}
.file-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.file-meta > span { max-width: 100%; min-width: 0; }
.file-meta .tag {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap; /* 长标签省略号截断 */
}
.tag {
  background: var(--bg-soft);
  color: var(--muted);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
}
.stars { color: var(--warn); font-weight: 600; }

/* 布局: 侧边栏 + 主内容 */
.layout-side { display: flex; gap: 28px; }
.sidebar { width: 200px; flex-shrink: 0; }
.sidebar h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 12px; }
.cat-list { list-style: none; }
.cat-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  margin-bottom: 2px;
  transition: background-color var(--t-fast), color var(--t-fast);
}
.cat-list a:hover { background: var(--bg-soft); color: var(--text); }
.cat-list a.active { background: var(--primary); color: #fff; }
.content-main { flex: 1; min-width: 0; }

/* 筛选栏 */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.search-inline { display: flex; gap: 8px; }
.search-inline input, .inline-form input {
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.search-inline input:focus, .inline-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.sort-links { display: flex; gap: 4px; background: var(--bg-soft); padding: 4px; border-radius: var(--radius-sm); }
.sort-links a { padding: 5px 14px; border-radius: 4px; color: var(--muted); font-size: 13px; font-weight: 500; }
.sort-links a:hover { color: var(--text); }
.sort-links a.active { background: #fff; color: var(--text); box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06); }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 28px; }
.page-info { color: var(--muted); font-size: 13px; }

/* ---------- 详情页 ---------- */
.detail-layout { display: flex; gap: 28px; }
.detail-main { flex: 1; min-width: 0; }
.detail-head { background: var(--card); padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); }
.detail-head h1 { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.detail-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.rating-summary { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.rating-num { font-size: 28px; font-weight: 800; color: var(--text); }
.stars-display { position: relative; font-size: 20px; color: var(--border-strong); line-height: 1; }
.stars-fill { position: absolute; top: 0; left: 0; overflow: hidden; white-space: nowrap; color: var(--warn); }
.download-box { padding: 16px 0 0; border-top: 1px solid var(--border); }
.dl-buttons { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }
.dl-buttons .btn { flex: 0 0 auto; }
.dl-tip { margin-top: 10px; font-size: 12px; }
/* 上传页其他下载渠道编辑器 */
.dl-links-editor { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.dl-link-row { display: flex; gap: 8px; align-items: center; }
.dl-link-row .dl-link-name { width: 30%; flex: 0 0 30%; }
.dl-link-row .dl-link-url { width: 100%; flex: 1; }
.dl-link-row .dl-link-del { flex: 0 0 auto; }
@media (max-width: 560px) {
  .dl-link-row { flex-direction: column; align-items: stretch; }
  .dl-link-row .dl-link-name { width: 100%; flex: none; }
}
.notice { margin-bottom: 10px; color: var(--muted); }
.screenshots, .detail-desc, .rate-box, .comment-section {
  background: var(--card);
  margin-top: 18px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.screenshots h2, .detail-desc h2, .rate-box h2, .comment-section h2 { font-size: 17px; font-weight: 700; margin-bottom: 16px; }
.shot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.shot-grid img { width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.desc-content { white-space: pre-wrap; color: var(--text); opacity: 0.85; margin-bottom: 12px; }
.tag-list { display: flex; gap: 8px; flex-wrap: wrap; }

/* 星级输入 */
.star-input .star { font-size: 30px; color: var(--border-strong); cursor: pointer; transition: color var(--t-fast), transform var(--t-fast); }
.star-input .star:hover { transform: scale(1.1); }
.star-input .star.active, .star-input .star:hover { color: var(--warn); }

/* 评论 */
.comment-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  resize: vertical;
  font-family: inherit;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.comment-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.comment-form .btn { margin-top: 10px; }
.comment-tag-input { width: 100%; margin-top: 8px; padding: 8px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); font-size: 13px; outline: none; box-sizing: border-box; }
.comment-item { padding: 16px 0; border-bottom: 1px solid var(--border); }
.comment-item:last-child { border-bottom: none; }
.comment-head { display: flex; gap: 10px; align-items: center; margin-bottom: 4px; }
.comment-head b { font-weight: 600; }
.comment-content { margin-bottom: 6px; }
.comment-tag { display: inline-block; vertical-align: middle; margin-left: 8px; padding: 1px 8px; border-radius: 999px; font-size: 12px; line-height: 18px; color: #b45309; background: #fef3c7; border: 1px solid #fde68a; }
.comment-actions { display: flex; gap: 4px; }
.reply-list { background: var(--bg-soft); border-radius: var(--radius-sm); padding: 10px 14px; margin-top: 10px; font-size: 13px; }
.reply-item { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.reply-item:last-child { border-bottom: none; }
.reply-head { display: flex; gap: 6px; align-items: center; margin-bottom: 2px; }
.reply-head b { font-weight: 600; }
.reply-arrow { color: var(--muted); }
.reply-to { color: var(--primary); }
.reply-hint { display: flex; align-items: center; gap: 10px; background: var(--primary-soft); border: 1px solid #bfdbfe; border-radius: var(--radius-sm); padding: 6px 12px; margin-bottom: 8px; font-size: 13px; color: var(--primary-dark); }
.reply-hint .btn { margin: 0; }

/* ---------- 认证页 ---------- */
.auth-wrap { display: flex; justify-content: center; padding: 56px 0; }
.auth-card {
  width: 400px;
  background: var(--card);
  padding: 36px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.auth-card h1 { font-size: 22px; font-weight: 800; margin-bottom: 4px; letter-spacing: -0.02em; }
.auth-card label { display: block; margin: 14px 0 6px; font-size: 13px; color: var(--muted); }
.auth-card input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.auth-card input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.auth-card .btn { margin-top: 18px; }
.auth-foot { margin-top: 16px; text-align: center; font-size: 13px; }
.demo-tip { text-align: center; font-size: 12px; margin-top: 10px; color: var(--muted); }

/* ---------- 表单 ---------- */
form label { display: block; margin: 14px 0 6px; font-size: 13px; color: var(--muted); }
/* 复选框不继承 input 的 100% 宽度，保持自然尺寸并靠左与文字同行 */
form input[type="checkbox"] { width: auto; margin: 0 6px 0 0; vertical-align: middle; }
form input, form select, form textarea {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
form input:focus, form select:focus, form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }
.form-row { display: flex; gap: 16px; }
.form-row > div { flex: 1; }
.form-error { color: var(--err); min-height: 18px; margin-top: 8px; font-size: 13px; }

/* ---------- 上传 ---------- */
.upload-wrap { max-width: 760px; margin: 0 auto; }
.upload-card { background: var(--card); padding: 30px; border-radius: var(--radius); border: 1px solid var(--border); }
.drop-zone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 52px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-base), background-color var(--t-base);
  color: var(--muted);
}
.drop-zone:hover, .drop-zone.dragover { border-color: var(--primary); background: var(--primary-soft); }
.drop-zone p:first-child { font-size: 16px; color: var(--text); margin-bottom: 4px; }
.progress-bar { height: 10px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); width: 0; transition: width var(--t-base); border-radius: 999px; }
.upload-progress p { margin-top: 10px; text-align: center; font-size: 13px; }

/* ---------- 个人中心 ---------- */
.profile-layout { display: flex; gap: 28px; }
.profile-side { width: 300px; flex-shrink: 0; }
.profile-card { background: var(--card); padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 18px; }
.avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 34px; margin-bottom: 12px;
}
.avatar img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.bio { color: var(--muted); margin-bottom: 12px; }
.code-row { display: flex; gap: 8px; align-items: center; }
.code-row input { flex: 1; min-width: 0; }
.code-row .btn { white-space: nowrap; }
.profile-main { flex: 1; min-width: 0; }

/* ---------- 徽章 ---------- */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--bg-soft); font-size: 12px; }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-err { background: var(--err-soft); color: var(--err); }

/* ---------- 表格 ---------- */
.table { width: 100%; border-collapse: collapse; background: var(--card); }
.table th, .table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
.table tr:hover td { background: var(--bg-soft); }
.table th { background: var(--bg-soft); color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.pos { color: var(--ok); font-weight: 600; }
.neg { color: var(--err); }

/* ---------- 后台 ---------- */
.admin-layout { display: flex; gap: 28px; }
.admin-nav { width: 200px; flex-shrink: 0; }
.admin-nav h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 12px; }
.admin-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  margin-bottom: 2px;
  transition: background-color var(--t-fast), color var(--t-fast);
}
.admin-nav a:hover { background: var(--bg-soft); color: var(--text); }
.admin-nav a.active { background: var(--primary); color: #fff; }
.admin-main { flex: 1; min-width: 0; }
.admin-main > h1 { font-size: 21px; font-weight: 800; margin-bottom: 18px; letter-spacing: -0.01em; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); }
.stat-card p { color: var(--muted); font-size: 13px; }
.stat-card h3 { font-size: 28px; font-weight: 800; margin: 4px 0; }
.inline-form { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.inline-form input { width: auto; }
.settings-form { background: var(--card); padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); max-width: 560px; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; text-align: center; color: var(--muted); font-size: 13px; }
.site-footer p { margin-bottom: 4px; }

/* ---------- 无障碍: 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- 响应式: 375 / 768 / 1024 / 1440 ---------- */
@media (max-width: 1024px) {
  .file-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .header-inner { gap: 12px; }
  .main-nav { gap: 2px; }
  .main-nav a { padding: 6px 8px; }
  .file-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .layout-side, .detail-layout, .profile-layout, .admin-layout { flex-direction: column; }
  .sidebar, .profile-side, .admin-nav { width: 100%; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .shot-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 28px; }
}

@media (max-width: 480px) {
  .file-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .shot-grid { grid-template-columns: 1fr; }
  .hero { padding: 36px 0 24px; }
  .hero h1 { font-size: 24px; }
  .search-bar { flex-direction: column; }
  .user-nav .btn { padding: 6px 10px; font-size: 13px; }
}

/* ---------- Markdown 介绍 ---------- */
.markdown-body { line-height: 1.75; font-size: 14.5px; color: var(--text); word-break: break-word; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  font-weight: 700; margin: 20px 0 10px; line-height: 1.35;
}
.markdown-body h1 { font-size: 22px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.markdown-body h2 { font-size: 18px; }
.markdown-body h3 { font-size: 16px; }
.markdown-body p { margin: 8px 0; }
.markdown-body ul, .markdown-body ol { padding-left: 22px; margin: 8px 0; }
.markdown-body ul { list-style: disc; }
.markdown-body ol { list-style: decimal; }
.markdown-body li { margin: 4px 0; }
.markdown-body blockquote {
  border-left: 3px solid var(--primary); background: var(--bg-soft);
  padding: 8px 14px; margin: 10px 0; color: var(--muted); border-radius: 0 var(--radius) var(--radius) 0;
}
.markdown-body code {
  background: var(--bg-soft); padding: 2px 6px; border-radius: 4px;
  font-family: Consolas, Menlo, monospace; font-size: 13px;
}
.markdown-body pre {
  background: #0f172a; color: #e2e8f0; padding: 14px; border-radius: var(--radius);
  overflow-x: auto; margin: 10px 0;
}
.markdown-body pre code { background: transparent; color: inherit; padding: 0; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 13.5px; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.markdown-body th { background: var(--bg-soft); font-weight: 600; }
.markdown-body img { max-width: 100%; border-radius: var(--radius); }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ---------- 外链安全警告 ---------- */
.ext-link { color: var(--primary-dark); text-decoration: underline; }
.ext-hint {
  display: block; font-size: 12px; color: var(--warn); background: var(--warn-soft);
  border-radius: 6px; padding: 6px 10px; margin: 4px 0;
}
.ext-hint code, .ext-img-warning code {
  background: transparent; color: inherit; word-break: break-all; font-size: 12px;
}
.ext-img-warning {
  font-size: 12.5px; color: var(--warn); background: var(--warn-soft);
  border: 1px dashed var(--warn); border-radius: var(--radius);
  padding: 10px 12px; margin: 8px 0;
}

/* ---------- 后台：favicon 上传 ---------- */
.favicon-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
/* 弹窗（后台编辑弹窗等） */
.modal-mask { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.5); display: flex; align-items: flex-start; justify-content: center; z-index: 999; padding: 8vh 16px 16px; }
.modal { background: var(--card); border: 1px solid var(--border-strong); border-radius: var(--radius); width: 100%; max-width: 560px; padding: 20px 22px; }
.modal h3 { margin-bottom: 14px; font-size: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.modal-lg { max-width: 680px; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 10px 14px; }
.form-grid label { font-size: 13px; color: var(--muted); margin-bottom: 2px; }
.form-grid textarea { min-height: 96px; resize: vertical; }
.favicon-preview {
  width: 40px; height: 40px; object-fit: contain;
  border: 1px solid var(--border); border-radius: 8px; padding: 2px; background: #fff;
}
/* 上传页：封面图上传与预览 */
.cover-upload-row { margin-bottom: 10px; }
.selected-file {
  display: flex; align-items: center; gap: 12px;
  border: 1px dashed var(--border); border-radius: 8px; padding: 14px;
  margin-bottom: 14px; background: var(--bg-soft);
}
.selected-file svg { flex-shrink: 0; color: var(--primary); }
.selected-file p { margin: 0; word-break: break-all; }
.selected-file .btn { margin-left: auto; flex-shrink: 0; }
.cover-preview { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.cover-preview img {
  max-width: 240px; max-height: 140px; object-fit: contain;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg-soft); padding: 4px;
}

/* ---------- 通知 ---------- */
.bell-link { position: relative; display: inline-flex; align-items: center; padding: 6px 8px; color: var(--muted); }
.bell-link:hover { color: var(--primary); }
.bell-badge {
  display: none; position: absolute; top: -2px; right: -2px;
  min-width: 16px; height: 16px; line-height: 16px; text-align: center;
  background: var(--err); color: #fff; font-size: 10px; font-weight: 700;
  border-radius: 999px; padding: 0 4px;
}
.page-head { display: flex; flex-wrap: wrap; row-gap: 8px; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.page-head h1 { font-size: 22px; font-weight: 800; }
.page-actions { display: flex; align-items: center; gap: 12px; }
.notif-list { display: flex; flex-direction: column; gap: 10px; }
.notif-item {
  display: flex; gap: 14px; padding: 14px 16px; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); transition: border-color var(--t-fast), background var(--t-fast);
}
.notif-item:hover { border-color: var(--primary); }
.notif-unread { background: var(--primary-soft); border-color: #bfdbfe; }
.notif-icon {
  flex: 0 0 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft); border-radius: 50%; color: var(--primary);
}
.notif-unread .notif-icon { background: #dbeafe; }
.notif-body { flex: 1; min-width: 0; }
.notif-title { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--err); display: inline-block; }
.notif-content { color: var(--text); margin-top: 2px; white-space: pre-wrap; word-break: break-word; }
.notif-time { font-size: 12px; margin-top: 4px; }
.empty-box { text-align: center; color: var(--muted); padding: 60px 0; border: 1px dashed var(--border); border-radius: var(--radius); }

/* ---------- 通知列表：跳转箭头 ---------- */
.notif-arrow { flex: 0 0 auto; display: flex; align-items: center; color: var(--muted); transition: color var(--t-fast); }
.notif-item:hover .notif-arrow { color: var(--primary); }

/* ---------- 公告详情页 ---------- */
.announcement-content {
  white-space: pre-wrap; word-break: break-word; line-height: 1.8; font-size: 14.5px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px;
}
.ann-actions { margin: 18px 0 28px; }

/* ---------- 评论区关闭提示 ---------- */
.comments-closed { display: flex; align-items: center; gap: 6px; color: var(--muted); }

/* ---------- 响应式: 公告/通知 H5 适配 ---------- */
@media (max-width: 480px) {
  .notif-item { padding: 12px; gap: 10px; }
  .notif-icon { flex: 0 0 32px; height: 32px; }
  .notif-arrow { display: none; }
  .announcement-content { padding: 14px; font-size: 14px; }
}

/* ---------- 意见反馈页 ---------- */
.section-title { margin: 28px 0 14px; }
.feedback-list { display: flex; flex-direction: column; gap: 12px; }
.feedback-item {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px;
}
.feedback-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.feedback-type {
  font-size: 12px; padding: 2px 8px; border-radius: 20px;
  background: var(--primary-soft); color: var(--primary-dark);
}
.feedback-type.type-bug { background: rgba(229, 57, 53, 0.12); color: #c62828; }
.feedback-status { font-size: 12px; margin-left: auto; }
.feedback-status.done { color: var(--success, #2e7d32); }
.feedback-status.pending { color: #e65100; }
.feedback-content { margin: 8px 0 4px; white-space: pre-wrap; word-break: break-word; }
.feedback-reply {
  margin-top: 10px; padding: 10px 12px; border-left: 3px solid var(--primary);
  background: var(--primary-soft); border-radius: var(--radius);
}
.feedback-reply p { margin: 4px 0 0; white-space: pre-wrap; word-break: break-word; }

/* ---------- 后台：反馈管理 ---------- */
.tag-green {
  display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 20px;
  color: #2e7d32; background: rgba(46, 125, 50, 0.12);
}
.tag-orange {
  display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 20px;
  color: #e65100; background: rgba(230, 81, 0, 0.12);
}
.tag-red {
  display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 20px;
  color: #c62828; background: rgba(198, 40, 40, 0.12);
}
.feed-content { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 后台：文件详情 ---------- */
.file-meta-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px 24px; margin-top: 10px;
}
.file-meta-grid span { font-size: 12px; color: var(--muted); }
.file-meta-grid p { margin: 2px 0 0; word-break: break-all; }
.break-all { word-break: break-all; }
.mt16 { margin-top: 16px; }
.md-pre {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; white-space: pre-wrap; word-break: break-word; font-size: 13px;
  max-height: 420px; overflow: auto;
}
.action-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

/* ============================================================
   移动端适配（增强）：汉堡菜单 / 表格横滚 / 表单堆叠
   ============================================================ */

/* 移动端导航开关（桌面端隐藏） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 9px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 折叠菜单中的移动端专属项（桌面端隐藏） */
.mobile-menu-extra { display: none; }

/* 顶栏语言切换器 */
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  padding: 4px 24px 4px 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none'/></svg>") no-repeat right 8px center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  max-width: 116px;
}
.lang-select:hover { border-color: var(--primary); }

/* 桌面顶栏语言切换（地球图标 + 下拉） */
.lang-switch { display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0; }
.lang-switch-icon { display: inline-flex; align-items: center; color: var(--muted); }
.lang-switch-icon svg { width: 16px; height: 16px; }
.lang-switch .lang-select { max-width: 128px; }

/* 移动端折叠菜单内的语言选择（默认隐藏，仅 ≤768px 显示） */
.lang-row { display: none; }

@media (max-width: 768px) {
  .lang-select { max-width: 92px; font-size: 12px; padding: 4px 20px 4px 8px; }
  .lang-row { display: none; }
}


@media (max-width: 1024px) {
  .container { padding: 0 20px; }
}

/* 平板及以下 */
@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .page-body { padding: 24px 0 56px; }
  .announcement { padding: 8px 24px; }

  /* 头部：单行 = logo + 用户名按钮 + 汉堡；其余链接全部折叠进菜单 */
  .header-inner {
    flex-wrap: wrap;
    gap: 8px;
    height: auto;
    min-height: 56px;
    padding: 8px 0;
  }
  .logo { order: 1; margin-right: auto; font-size: 16px; }
  .user-nav {
    order: 2;
    display: flex;
    flex: 0 0 auto;
    width: auto;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding-top: 0;
    margin-top: 0;
    border-top: none;
  }
  /* 顶栏仅保留 .mobile-keep 按钮（个人中心 / 登录注册） */
  .user-nav > *:not(.mobile-keep) { display: none; }
  .user-nav .mobile-keep { flex: 0 0 auto; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .nav-toggle { order: 3; display: flex; margin-left: 0; }

  /* 展开区：主导航（含移动端专属项）独占整行 */
  .main-nav {
    display: none;
    order: 4;
    flex: 0 0 100%;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding-top: 10px;
    margin-top: 8px;
    border-top: 1px solid var(--border);
  }
  .site-header.nav-open .main-nav { display: flex; }
  .main-nav a { padding: 11px 8px; border-radius: var(--radius-sm); }
  .main-nav a .icon { color: var(--muted); vertical-align: -2px; margin-right: 6px; }

  /* 折叠菜单语言行：整行显示为“语言”选择栏 */
  .lang-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    padding: 2px 0 10px;
    border-bottom: 1px dashed var(--border);
  }
  .lang-row-icon { display: inline-flex; align-items: center; color: var(--muted); flex-shrink: 0; }
  .lang-row-icon svg { width: 16px; height: 16px; }
  .lang-row .lang-select { flex: 1 1 auto; width: 100%; max-width: none; background-position: right 10px center; }

  .mobile-menu-extra {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border);
  }
  .mobile-menu-extra button {
    background: transparent;
    border: none;
    text-align: left;
    padding: 11px 8px;
    font-family: inherit;
    font-size: 14px;
    color: var(--muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
  }
  .mobile-menu-extra button:hover { background: var(--bg-soft); color: var(--text); }

  /* 表格：允许横向滚动 */
  .table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .table th, .table td { white-space: nowrap; }

  /* 分类侧栏：横向滚动标签 */
  .cat-list { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; }
  .cat-list li { flex: 0 0 auto; }
  .cat-list a { margin-bottom: 0; white-space: nowrap; }

  /* 后台导航：横向滚动 */
  .admin-nav { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; }
  .admin-nav h3 { display: none; }
  .admin-nav a { margin-bottom: 0; white-space: nowrap; }

  /* 表单行纵向堆叠 */
  .form-row { flex-direction: column; gap: 0; }

  /* 标题与操作换行 */
  .page-head, .section-head { flex-wrap: wrap; gap: 8px; }

  /* 详情页 */
  .detail-head { padding: 20px; }
  .detail-head h1 { font-size: 20px; }

  /* 弹窗全屏化 */
  .modal-mask { padding: 16px 12px; align-items: center; }
  .modal { padding: 18px 16px; }

  /* 卡片留白收紧 */
  .upload-card, .profile-card, .settings-form { padding: 20px 16px; }
  .drop-zone { padding: 32px 20px; }
  .file-card-body { padding: 14px; }
  .cover-preview img { max-width: 100%; }
}

/* 超窄屏（手机） */
@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .announcement { padding: 8px 20px; }
  .header-inner { min-height: 52px; }

  .auth-wrap { padding: 24px 0; }
  .auth-card { width: 100%; padding: 24px 20px; }

  .hero h1 { font-size: 22px; }
  .search-inline, .inline-form { width: 100%; }
  .search-inline input, .inline-form input { flex: 1; min-width: 0; }
  .sort-links { flex-wrap: wrap; }

  .dl-buttons .btn { flex: 1 1 auto; }
  .rating-num { font-size: 24px; }
  .ann-actions .btn { width: 100%; }

  .code-row { flex-direction: column; align-items: stretch; }
  .code-row .btn { width: 100%; }

  .detail-head h1 { font-size: 18px; }
  .screenshots, .detail-desc, .rate-box, .comment-section { padding: 18px 14px; }
  .comment-tag { margin-left: 0; }
}

/* ---------- 自定义弹窗与轻提示（替代原生 alert/confirm/prompt） ---------- */
.ui-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.ui-modal-mask { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.45); }
.ui-modal-box {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px 24px 18px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.18);
}
.ui-modal-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.ui-modal-body { font-size: 14px; color: var(--text); white-space: pre-line; word-break: break-all; line-height: 1.6; }
.ui-modal-input { margin-top: 12px; }
.ui-modal-input input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
}
.ui-modal-input input:focus { border-color: var(--primary); }
.ui-modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.ui-toasts {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.ui-toast {
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--t-base), transform var(--t-base);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
}
.ui-toast-show { opacity: 1; transform: translateY(0); }
.ui-toast-ok { background: var(--ok); color: #fff; }
.ui-toast-error { background: var(--err); color: #fff; }

/* ---------- 后台多语言管理 ---------- */
.table-wrap { overflow-x: auto; }
.trans-table { table-layout: auto; }
.trans-table td { vertical-align: top; }
.trans-key { word-break: break-all; }
.trans-cur { word-break: break-word; color: var(--text); }
.trans-input {
  width: 100%;
  min-height: 32px;
  box-sizing: border-box;
  padding: 6px 9px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
}
.trans-input:focus { border-color: var(--primary); }

/* ---------- 图形验证码（人机验证） ---------- */
.captcha-widget { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.captcha-widget img.captcha-img { height: 46px; width: 146px; object-fit: cover; border: 1px solid #cfd6df; border-radius: 6px; cursor: pointer; background: #f2f6fb; }
.captcha-widget .captcha-refresh { height: 46px; white-space: nowrap; }
.captcha-input { min-width: 90px; }
#cap-modal .ui-modal-body { text-align: left; }
#cap-modal img { display: block; width: 146px; height: 46px; object-fit: cover; border: 1px solid #cfd6df; border-radius: 6px; cursor: pointer; background: #f2f6fb; }
#cap-modal .cap-err { color: #c0392b; font-size: 12px; min-height: 16px; margin: 4px 0; }
#cap-modal input { width: 100%; box-sizing: border-box; }
.captcha-loading { opacity: 0.55; }

/* ---------- 广告位（前台 JS 动态渲染） ---------- */
.ad-slot { margin: 18px auto; overflow: hidden; }
.ad-slot:empty { display: none; }
.ad-item { margin-bottom: 16px; text-align: center; }
.ad-item:last-child { margin-bottom: 0; }
.ad-item iframe { max-width: 100%; border: 0; }
.ad-link, .ad-item img { display: block; margin: 0 auto; max-width: 100%; height: auto; }