/* ============================================================
   会员中心 —— 前台样式
   沿用 site.css 的配色变量，红黑主色，轻边框、方角、无圆滑感。
   ============================================================ */

/* ---------------- 外框与栅格 ---------------- */
.mb-page { padding: 56px 0 100px; background: var(--bg-soft); }

.mb-layout {
  display: grid;
  grid-template-columns: 268px 1fr;
  gap: 32px;
  align-items: start;
}

/* ---------------- 左侧：账号卡 ---------------- */
.mb-side {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  position: sticky;
  top: 100px;
}

.mb-user {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 20px;
  background: var(--ink);
}
.mb-avatar {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 3px;
  background: var(--brand-red);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.mb-user-txt { min-width: 0; }
.mb-user-txt h4 {
  font-size: 15px; font-weight: 700; color: #fff;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mb-user-txt span {
  display: block; margin-top: 3px;
  font-size: 12px; color: rgba(255,255,255,0.45);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* 等级 / 范围 / 配额 三行小表 */
.mb-level { padding: 6px 0; border-bottom: 1px solid var(--line); }
.mb-level-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 20px;
  font-size: 13px;
}
.mb-level-row span { color: var(--gray); flex-shrink: 0; }
.mb-level-row b {
  margin-left: auto;
  text-align: right;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}

/* 二级导航 */
.mb-nav { padding: 8px 0; }
.mb-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  font-size: 14px;
  color: var(--steel);
  transition: all 0.2s;
  border-right: 3px solid transparent;
}
.mb-nav a svg { color: var(--gray); flex-shrink: 0; }
.mb-nav a:hover { color: var(--brand-red); background: rgba(200,16,46,0.04); }
.mb-nav a.active {
  color: var(--brand-red);
  font-weight: 700;
  background: rgba(200,16,46,0.06);
  border-right-color: var(--brand-red);
}
.mb-nav a.active svg { color: var(--brand-red); }
.mb-nav-out { margin-top: 6px; border-top: 1px solid var(--line); color: var(--gray) !important; }
.mb-nav-out:hover { color: var(--brand-red) !important; }

.mb-main { min-width: 0; }

/* ---------------- 概览统计卡 ---------------- */
.mb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.mb-stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
}
.mb-stat::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--brand-red);
}
.mb-stat-n {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.mb-stat-l { display: block; margin-top: 6px; font-size: 12px; color: var(--gray); }

/* ---------------- 卡片 ---------------- */
.mb-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 24px;
  overflow: hidden;
}
.mb-card-hd {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.mb-card-hd h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.mb-card-hd h3::before {
  content: "";
  width: 4px; height: 15px;
  background: var(--brand-red);
  flex-shrink: 0;
}
.mb-card-hd > a {
  margin-left: auto;
  font-size: 13px;
  color: var(--gray);
  white-space: nowrap;
}
.mb-card-hd > a:hover { color: var(--brand-red); }

.mb-empty {
  padding: 60px 24px;
  text-align: center;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.9;
}
.mb-empty a { color: var(--brand-red); font-weight: 700; }

/* ---------------- 表格 ---------------- */
.mb-table-wrap { overflow-x: auto; }
.mb-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.mb-table th {
  text-align: left;
  padding: 12px 22px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
  letter-spacing: 0.5px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.mb-table td {
  padding: 13px 22px;
  border-bottom: 1px solid var(--line);
  color: var(--steel);
  vertical-align: middle;
}
.mb-table tr:last-child td { border-bottom: none; }
.mb-table tbody tr:hover td { background: rgba(200,16,46,0.02); }
.mb-nowrap { white-space: nowrap; }
.mb-dim { color: var(--gray); font-size: 13px; }

.mb-mini-btn {
  display: inline-block;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand-red);
  background: rgba(200,16,46,0.06);
  border: 1px solid rgba(200,16,46,0.2);
  border-radius: 2px;
  white-space: nowrap;
  transition: all 0.2s;
}
.mb-mini-btn:hover { background: var(--brand-red); color: #fff; border-color: var(--brand-red); }

.mb-ok { color: #17864A; font-weight: 700; }
.mb-err { color: var(--brand-red); font-weight: 700; }

/* ---------------- 标签（模块访问） ---------------- */
.mb-tags { display: flex; flex-wrap: wrap; gap: 10px; padding: 20px 22px; }
.mb-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  font-size: 13px;
  color: var(--steel);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.mb-tag b { color: var(--brand-red); font-weight: 900; }

/* ---------------- 提示条 ---------------- */
.mb-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding: 15px 22px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--steel);
  background: rgba(200,16,46,0.045);
  border: 1px solid rgba(200,16,46,0.14);
  border-left: 3px solid var(--brand-red);
  border-radius: 2px;
}
.mb-note b { color: var(--brand-red); font-weight: 700; }
.mb-note-sub { margin-left: auto; color: var(--gray); }
.mb-note-sub a { color: var(--brand-red); font-weight: 700; }

/* ---------------- 搜索 ---------------- */
.mb-search { margin-left: auto; display: flex; gap: 8px; }
.mb-search .form-input { width: 200px; padding: 8px 12px; font-size: 13px; }

/* ---------------- 资料列表（我的资料） ---------------- */
.mb-dl-list { display: flex; flex-direction: column; }
.mb-dl-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background 0.2s;
}
.mb-dl-item:last-child { border-bottom: none; }
.mb-dl-item:hover { background: var(--bg-soft); }
.mb-dl-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--brand-red);
  transform: scaleY(0);
  transition: transform 0.25s;
}
.mb-dl-item:hover::before { transform: scaleY(1); }

.mb-dl-icon {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.5px;
}
.mb-dl-icon--pdf { background: var(--brand-red); }
.mb-dl-icon--cad { background: var(--accent-blue); }
.mb-dl-icon--3d  { background: var(--accent-teal); }
.mb-dl-icon--sw  { background: var(--ink); }
.mb-dl-icon--doc { background: var(--brand-orange); }

.mb-dl-info { flex: 1; min-width: 0; }
.mb-dl-info h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.mb-dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12px;
  color: var(--gray);
}

.mb-dl-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-red);
  background: rgba(200,16,46,0.06);
  border: 1px solid rgba(200,16,46,0.2);
  border-radius: 2px;
  transition: all 0.2s;
}
.mb-dl-btn:hover { background: var(--brand-red); color: #fff; border-color: var(--brand-red); }

/* 「预览」（中性，见 site.css .pv-btn）+「下载」并排；按钮个数随格式变化 */
.mb-dl-acts {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ---------------- 记录页 tab ---------------- */
.mb-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  overflow-x: auto;
}
.mb-tabs a {
  padding: 14px 18px;
  font-size: 14px;
  color: var(--steel);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.mb-tabs a:hover { color: var(--brand-red); }
.mb-tabs a.active {
  color: var(--brand-red);
  font-weight: 700;
  border-bottom-color: var(--brand-red);
  background: #fff;
}
.mb-tabs-total { margin-left: auto; padding-left: 16px; font-size: 12px; color: var(--gray); white-space: nowrap; }

/* ---------------- 表单 ---------------- */
.mb-form { padding: 24px 22px; }
.mb-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 22px;
}
.mb-f { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.mb-f label { font-size: 13px; font-weight: 700; color: var(--ink); }
.mb-f label i { color: var(--brand-red); font-style: normal; }
.mb-f .form-input { width: 100%; }
.mb-f .form-input:disabled { background: var(--bg-soft); color: var(--gray); cursor: not-allowed; }
.mb-hint { font-size: 12px; color: var(--gray); line-height: 1.6; }
.mb-form-act { margin-top: 22px; display: flex; gap: 12px; }

/* ---------------- 登录 / 注册 ---------------- */
.mb-auth { padding: 64px 0 110px; background: var(--bg-soft); }
.mb-auth-card {
  max-width: 420px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand-red);
  border-radius: 4px;
  padding: 34px 32px 28px;
}
.mb-auth-card--wide { max-width: 720px; }
.mb-auth-card h2 {
  font-size: 20px;
  font-weight: 900;
  color: var(--ink);
  text-align: center;
  margin-bottom: 8px;
}
.mb-auth-sub {
  font-size: 13px;
  color: var(--gray);
  text-align: center;
  margin-bottom: 22px;
}
.mb-auth-sub a { color: var(--brand-red); font-weight: 700; }
.mb-auth-card .mb-form { padding: 0; }
.mb-auth-card form > .mb-f { margin-bottom: 16px; }
.mb-auth-btn { width: 100%; margin-top: 4px; }
.mb-auth-foot {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--gray);
  text-align: center;
  line-height: 1.8;
}
.mb-auth-foot a { color: var(--brand-red); font-weight: 700; }

/* 算术验证码 */
.mb-captcha { display: flex; align-items: center; gap: 12px; }
.mb-captcha-q {
  flex-shrink: 0;
  min-width: 104px;
  padding: 10px 14px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--brand-red);
  background: rgba(200,16,46,0.05);
  border: 1px dashed rgba(200,16,46,0.35);
  border-radius: 2px;
  text-align: center;
  user-select: none;
}
.mb-captcha .form-input { flex: 1; min-width: 0; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .mb-layout { grid-template-columns: 1fr; gap: 20px; }
  .mb-side { position: static; }
  .mb-stats { grid-template-columns: repeat(2, 1fr); }
  .mb-form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .mb-page { padding: 36px 0 72px; }
  .mb-auth { padding: 40px 0 72px; }
  .mb-auth-card { padding: 26px 20px 22px; }
  .mb-stats { grid-template-columns: 1fr; }
  .mb-dl-item { flex-wrap: wrap; }
  .mb-dl-acts { width: 100%; }
  .mb-dl-btn { flex: 1; justify-content: center; }
  .mb-dl-acts .pv-btn { flex: 1; justify-content: center; }
  .mb-table th, .mb-table td { padding-left: 16px; padding-right: 16px; }
  .mb-note-sub { margin-left: 0; }
  .mb-search { width: 100%; margin-left: 0; }
  .mb-search .form-input { flex: 1; width: auto; min-width: 0; }
}