:root {
  --bg: #f4f6fa;
  --panel: #fff;
  --border: #e3e8ef;
  --text: #1b2735;
  --muted: #6b7686;
  --primary: #0f2140;
  --accent: #2f7df6;
  --accent-d: #1f5fd0;
  --danger: #e0524d;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(15, 33, 64, .08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Segoe UI", "Microsoft YaHei", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

/* 自动翻译工具栏 */
.translate-bar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 14px 24px 0; padding: 12px 16px; background: #eef4ff;
  border: 1px solid #d4e3ff; border-radius: var(--radius);
}
.translate-bar .tb-label { font-weight: 600; color: var(--primary); }
.translate-bar .tb-text { color: var(--muted); }
.translate-bar .tb-select {
  padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; font-size: 14px;
}
.translate-bar .translate-btn {
  padding: 7px 16px; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 14px;
}
.translate-bar .translate-btn:hover { background: var(--accent-d); }
.translate-bar .translate-state { font-size: 13px; margin-left: 4px; }
.translate-state.ok { color: #1a8a4a; }
.translate-state.err { color: var(--danger); }

/* 翻译服务设置面板 */
.settings-panel {
  margin: 12px 24px 0; padding: 10px 16px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
}
.settings-panel > summary {
  cursor: pointer; font-weight: 600; color: var(--primary);
  list-style: none; user-select: none;
}
.settings-panel > summary::-webkit-details-marker { display: none; }
.settings-panel > summary::before { content: "▸ "; }
.settings-panel[open] > summary::before { content: "▾ "; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-top: 14px; }
.set-row { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.set-row span { font-weight: 500; }
.set-row select, .set-row input {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text);
}
.set-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; padding-top: 4px; }
.hidden { display: none !important; }

/* 登录 */
.login-wrap { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0f2140, #213a63); }
.login-box { background: #fff; padding: 40px 34px; border-radius: 14px; width: 320px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-box h1 { font-size: 24px; color: var(--primary); }
.login-sub { color: var(--muted); margin-bottom: 22px; font-size: 13px; }
.login-box input { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; margin-bottom: 14px; }
.login-box button { width: 100%; padding: 12px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font-size: 15px; cursor: pointer; font-weight: 600; }
.login-box button:hover { background: var(--accent-d); }
.login-err { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* 顶栏 */
.topbar { position: sticky; top: 0; z-index: 20; background: var(--primary); color: #fff; padding: 0 22px; height: 60px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.brand span { font-weight: 400; opacity: .7; font-size: 13px; margin-left: 6px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.lang-tabs { display: flex; gap: 6px; background: rgba(255,255,255,.1); padding: 4px; border-radius: 999px; }
.lang-tabs button { border: 0; background: transparent; color: #cdd7e8; padding: 6px 14px; border-radius: 999px; cursor: pointer; font-size: 13px; }
.lang-tabs button.active { background: #fff; color: var(--primary); font-weight: 600; }
.view-site { color: #cdd7e8; text-decoration: none; font-size: 13px; border: 1px solid rgba(255,255,255,.3); padding: 6px 12px; border-radius: 8px; }
.view-site:hover { background: rgba(255,255,255,.12); }
.save-btn { background: var(--accent); color: #fff; border: 0; padding: 8px 18px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 14px; }
.save-btn:hover { background: var(--accent-d); }
.logout-btn { background: transparent; color: #cdd7e8; border: 1px solid rgba(255,255,255,.3); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.save-state { text-align: center; font-size: 13px; padding: 8px; min-height: 34px; color: var(--muted); }
.save-state.ok { color: #1a9d5a; }
.save-state.err { color: var(--danger); }

/* 内容区 */
.content { max-width: 960px; margin: 0 auto; padding: 26px 22px 80px; }
.section-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 22px; overflow: hidden; }
.section-head { padding: 16px 20px; background: #fafbfd; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.section-head h2 { font-size: 16px; color: var(--primary); }
.section-body { padding: 20px; }
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field > label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.field input, .field textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; color: var(--text); }
.field textarea { resize: vertical; min-height: 72px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }

/* 数组项卡片 */
.array-item { border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 14px; background: #fcfdff; position: relative; }
.array-item .del-btn { position: absolute; top: 10px; right: 10px; background: #fdeceb; color: var(--danger); border: 0; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; }
.array-item .del-btn:hover { background: var(--danger); color: #fff; }
.item-title { font-size: 13px; font-weight: 700; color: var(--accent-d); margin-bottom: 12px; }
.add-btn { background: #eef4ff; color: var(--accent-d); border: 1px dashed var(--accent); border-radius: 8px; padding: 10px; width: 100%; cursor: pointer; font-size: 14px; font-weight: 600; }
.add-btn:hover { background: #e2edff; }

/* 宣传册型号 */
.bro-card { border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 14px; display: grid; grid-template-columns: 120px 1fr; gap: 16px; background: #fcfdff; }
.bro-thumb { width: 120px; height: 90px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); background: #eef; }
.bro-fields { display: grid; gap: 12px; position: relative; }
.bro-fields .del-btn { position: absolute; top: -4px; right: -4px; }
.upload-btn { background: #eef4ff; color: var(--accent-d); border: 1px solid var(--accent); border-radius: 6px; padding: 6px 12px; font-size: 12px; cursor: pointer; align-self: start; }
.upload-btn:hover { background: #e2edff; }
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* 视图切换选项卡 */
.view-tabs { display: flex; gap: 8px; margin: 16px 24px 0; }
.view-tabs button { border: 1px solid var(--border); background: #fff; color: var(--muted); padding: 9px 18px; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 600; }
.view-tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.badge { display: inline-block; min-width: 18px; padding: 0 6px; margin-left: 4px; font-size: 11px; line-height: 18px; text-align: center; border-radius: 999px; background: var(--danger); color: #fff; }

/* 留言管理 */
.inq-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.inq-toolbar .inq-count { color: var(--muted); font-size: 13px; }
.inq-toolbar button { border: 0; border-radius: 8px; padding: 8px 16px; cursor: pointer; font-weight: 600; font-size: 13px; }
.inq-btn-export { background: var(--accent); color: #fff; }
.inq-btn-export:hover { background: var(--accent-d); }
.inq-btn-refresh { background: #eef4ff; color: var(--accent-d); }
.inq-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.inq-table th, .inq-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: top; }
.inq-table th { background: #fafbfd; color: var(--primary); font-weight: 600; white-space: nowrap; }
.inq-table tr.unread { background: #f0f6ff; }
.inq-table tr.unread td:first-child { border-left: 3px solid var(--accent); }
.inq-msg { max-width: 360px; white-space: pre-wrap; word-break: break-word; }
.inq-actions { display: flex; gap: 6px; white-space: nowrap; }
.inq-actions button { border: 1px solid var(--border); background: #fff; border-radius: 6px; padding: 5px 10px; cursor: pointer; font-size: 12px; color: var(--text); }
.inq-actions .del { color: var(--danger); border-color: #f3c9c7; }
.inq-actions .del:hover { background: var(--danger); color: #fff; }
.inq-empty { text-align: center; color: var(--muted); padding: 50px 0; }

@media (max-width: 640px) {
  .topbar { flex-direction: column; height: auto; padding: 10px; gap: 8px; }
  .topbar-right { flex-wrap: wrap; justify-content: center; }
  .bro-card { grid-template-columns: 1fr; }
  .bro-thumb { width: 100%; height: 160px; }
}