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

:root {
  --primary: #6b4a2b;
  --primary-light: #8a6a4a;
  --primary-dark: #4a3219;
  --bg: #f4f4f4;
  --card: #ffffff;
  --border: #e4dccb;
  --text: #2d2419;
  --text-light: #7a6e5d;
  --danger: #c0392b;
  --success: #27ae60;
  --male: #3b82f6;
  --female: #ec4899;
  --shadow: 0 2px 12px rgba(107, 74, 43, 0.08);
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== 顶部导航栏 ===== */
.topbar {
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #9c5a2e 0%, #a8623a 50%, #9c5a2e 100%);
  color: #fff;
  padding: 0 24px;
  height: 56px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .logo {
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
  margin-right: 32px;
  letter-spacing: 2px;
}
.tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.tab-btn {
  padding: 8px 18px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  transition: all 0.2s;
}
.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}
.tab-btn.active {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  font-weight: 600;
}
.topbar-user {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  transition: background 0.2s;
  user-select: none;
}
.topbar-user:hover { background: rgba(255, 255, 255, 0.12); }
.topbar-user .caret { font-size: 10px; }
.user-avatar { font-size: 16px; }

/* 用户下拉菜单 */
.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  min-width: 140px;
  overflow: hidden;
  display: none;
  z-index: 100;
}
.user-dropdown.show { display: block; }
.user-dropdown-item {
  padding: 10px 16px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.user-dropdown-item:hover { background: #f5f0e6; }

/* ===== 登录遮罩层 ===== */
.login-mask {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #6b4a2b 0%, #8b5a2b 50%, #a8623a 100%);
}
.login-mask.hidden { display: none; }
.login-box {
  background: #fff;
  border-radius: 16px;
  padding: 40px 36px;
  width: 380px;
  max-width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
}
.login-logo {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}
.login-subtitle {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 28px;
}
.login-item {
  margin-bottom: 18px;
  text-align: left;
}
.login-item label {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 6px;
}
.login-item input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.login-item input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(107, 74, 43, 0.12);
}
.login-btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #8b5a2b, #a8623a);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s;
  margin-top: 6px;
}
.login-btn:hover { filter: brightness(0.92); }
.login-tip {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-light);
}

.app-header { display: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 24px 16px; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== 区块标题 ===== */
.section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  padding-bottom: 8px;
  margin-bottom: 20px;
  border-bottom: 2px solid #d4a574;
}

/* ===== 统计卡片 ===== */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.stat-card {
  background: linear-gradient(135deg, #8b5a2b 0%, #a8623a 100%);
  border-radius: 10px;
  padding: 32px 20px;
  text-align: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 90, 43, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(139, 90, 43, 0.35);
}
.stat-number {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  margin-top: 6px;
  opacity: 0.92;
}

/* ===== 通用面板 ===== */
.panel {
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}
.panel-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  padding-bottom: 10px;
  margin-bottom: 20px;
  border-bottom: 2px solid #d4a574;
}
.panel-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
}

/* ===== 各世代人数柱状图 ===== */
.gen-chart {
  position: relative;
  width: 100%;
  height: 320px;
  padding: 10px 0;
}
.gen-chart canvas { width: 100%; height: 100%; }
.gen-chart-empty {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
}

/* ===== 快捷入口 ===== */
.quick-entries {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 8px;
}
.quick-btn {
  padding: 10px 24px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
  color: #fff;
  transition: filter 0.2s, transform 0.2s;
}
.quick-btn:hover { filter: brightness(0.92); transform: translateY(-1px); }
.quick-btn { background: #8b5a2b; }
.quick-btn.green { background: #4caf50; }
.quick-btn.orange { background: #f0a040; }

/* ===== 搜索 ===== */
.search-box {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.search-box input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--primary); }

/* 搜索结果卡片网格 */
.search-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.search-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 16px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid transparent;
}
.search-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(139, 90, 43, 0.2);
  border-color: #d4a574;
}
.search-card .sc-avatar {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  background: #eee;
}
.search-card .sc-avatar.male { border-color: var(--male); }
.search-card .sc-avatar.female { border-color: var(--female); }
.sc-avatar-placeholder {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.search-card .sc-info { min-width: 0; }
.search-card .sc-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-card .sc-meta {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}
.search-card .sc-date {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}
.search-hint {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  font-size: 14px;
}
.kw-hl {
  color: var(--primary);
  font-weight: 700;
}
@media (max-width: 1024px) {
  .search-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .search-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .search-cards { grid-template-columns: 1fr; }
}

/* ===== 导出 ===== */
.export-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

/* ===== 表格内链接 ===== */
.name-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.name-link:hover { text-decoration: underline; }

/* ===== 工具栏 ===== */
.toolbar, .tree-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar-hint { font-size: 13px; color: var(--text-light); }

/* 成员管理页实时筛选框 */
.manage-search {
  position: relative;
  margin-left: auto;
  display: flex;
  align-items: center;
  width: 360px;
  max-width: 45vw;
}
.manage-search-icon {
  position: absolute;
  left: 12px;
  font-size: 14px;
  opacity: 0.6;
  pointer-events: none;
}
.manage-search input {
  width: 100%;
  padding: 9px 78px 9px 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.manage-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 90, 43, 0.12);
}
.manage-filter-count {
  position: absolute;
  right: 12px;
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  pointer-events: none;
  white-space: nowrap;
}
@media (max-width: 768px) {
  .manage-search { width: 100%; max-width: none; margin-left: 0; }
}

/* ===== 按钮 ===== */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  background: #f0e9dd;
  color: var(--text);
}
.btn:hover { filter: brightness(0.95); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-small { padding: 4px 10px; font-size: 12px; }

/* ===== 成员表格 ===== */
.table-wrap {
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: auto;
}
.member-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.member-table th, .member-table td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.member-table th {
  background: #faf6ee;
  font-weight: 600;
  color: var(--primary-dark);
  white-space: nowrap;
}
.member-table tr:hover { background: #fdfaf3; }

.avatar-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  background: #eee;
}
.avatar-img.male { border-color: var(--male); }
.avatar-img.female { border-color: var(--female); }
.avatar-placeholder {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #ddd;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 18px;
}

.bio-cell { max-width: 240px; color: var(--text-light); font-size: 13px; }
.bio-cell .bio-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.action-cell { white-space: nowrap; }
.action-cell .btn { margin-right: 4px; }

.empty-row td { text-align: center; padding: 40px; color: var(--text-light); }

/* ===== 弹窗 ===== */
.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.modal-box {
  position: relative;
  background: var(--card);
  border-radius: 12px;
  width: 92%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.modal-box h2 { margin-bottom: 20px; color: var(--primary-dark); border-bottom: 2px solid var(--border); padding-bottom: 10px; }

.form-row { display: flex; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.form-item { flex: 1; min-width: 180px; display: flex; flex-direction: column; }
.form-item label { font-size: 13px; color: var(--text-light); margin-bottom: 5px; }
.req { color: var(--danger); }

.form-item input, .form-item select, .form-item textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(107,74,43,0.12);
}
.form-item textarea { resize: vertical; }

.avatar-upload { display: flex; gap: 12px; align-items: center; }
.avatar-preview {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  background: #eee;
}
.upload-btns { display: flex; flex-direction: column; gap: 6px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== 详情弹窗 ===== */
.detail-body { font-size: 14px; }
.detail-row { display: flex; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.detail-row .label { width: 100px; color: var(--text-light); flex-shrink: 0; }
.detail-row .value { flex: 1; }
.detail-avatars { display: flex; gap: 24px; margin-bottom: 16px; }
.detail-avatar-item { text-align: center; }
.detail-avatar-item img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); background: #eee; }
.detail-avatar-item .name { margin-top: 6px; font-weight: 600; }

/* ===== 头像放大查看器 ===== */
.avatar-img.zoomable {
  cursor: zoom-in;
  transition: transform 0.15s, box-shadow 0.15s;
}
.avatar-img.zoomable:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.image-viewer {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
}
.image-viewer.show { display: flex; }
.image-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
}
.image-viewer-close {
  position: absolute;
  top: 20px;
  right: 28px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  transition: background 0.2s;
}
.image-viewer-close:hover { background: rgba(255, 255, 255, 0.3); }
#image-viewer-img {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 88vh;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  object-fit: contain;
  transform: scale(0.85);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.image-viewer.show #image-viewer-img {
  transform: scale(1);
  opacity: 1;
}

/* ===== 权限：普通用户只读 ===== */
body.role-user #tab-manage .col-action,
body.role-user #tab-manage .action-cell { display: none; }
body.role-user #btn-add { display: none !important; }

/* 角色徽章 */
.role-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.role-badge.admin {
  background: #f3e3cf;
  color: var(--primary-dark);
}
.role-badge.user {
  background: #eceff1;
  color: #607d8b;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 10px 24px;
  border-radius: 6px;
  z-index: 1000;
  font-size: 14px;
}
.toast.hidden { display: none; }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ===== 家谱树 ===== */
.family-tree {
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 24px;
  min-height: 400px;
  overflow: auto;
}
.tree-canvas-inner {
  display: inline-block;
  min-width: 100%;
  transform-origin: top left;
}

/* 缩放控件 */
.zoom-controls {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.zoom-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: var(--primary-dark);
  transition: background 0.15s;
}
.zoom-btn:hover { background: #f5f0e6; }
.zoom-level {
  min-width: 48px;
  text-align: center;
  font-size: 13px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.zoom-fit-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--primary-dark);
  transition: background 0.15s;
}
.zoom-fit-btn:hover { background: #f5f0e6; }
.export-tree-btn {
  border-color: #c9a06a;
  color: #fff;
  background: linear-gradient(135deg, #a0673a, #8b5a2b);
  font-weight: 600;
}
.export-tree-btn:hover { background: linear-gradient(135deg, #8b5a2b, #704822); }
.export-tree-btn:disabled { opacity: 0.6; cursor: wait; }

/* 族谱树悬停信息框 */
.tree-tooltip {
  position: fixed;
  z-index: 250;
  display: none;
  width: 300px;
  max-width: 90vw;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--text);
  pointer-events: none;
}
.tree-tooltip.show { display: block; }
.tt-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 2px;
}
.tt-sub {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 10px;
}
.tt-row {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  line-height: 1.5;
}
.tt-label {
  flex-shrink: 0;
  width: 64px;
  color: var(--text-light);
}
.tt-value { flex: 1; word-break: break-all; }
.tt-divider {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 8px 0;
}
.tt-count {
  display: inline-block;
  min-width: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  text-align: center;
  margin-right: 4px;
}
.tree-person .t-avatar { cursor: default; }
.tree-person.tt-hoverable .t-avatar,
.tree-person.tt-hoverable .t-name {
  cursor: help;
}
.tree-empty { text-align: center; padding: 60px; color: var(--text-light); }

.tree-node { display: inline-block; vertical-align: top; text-align: center; flex-shrink: 0; }
.tree-couple {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: #fdfaf3;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  position: relative;
  flex-shrink: 0;
}
.tree-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
}
.tree-person .t-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  background: #eee;
}
.tree-person.male .t-avatar { border-color: var(--male); }
.tree-person.female .t-avatar { border-color: var(--female); }
.tree-person .t-name {
  margin-top: 6px;
  font-weight: 600;
  font-size: 14px;
}
.tree-person .t-life { font-size: 11px; color: var(--text-light); }
.tree-spouse-link {
  width: 24px;
  height: 2px;
  background: var(--primary);
  margin: 0 -2px;
  align-self: center;
}
.tree-children {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 24px;
  position: relative;
}
.tree-children::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 50%;
  width: 2px;
  height: 14px;
  background: var(--primary);
}
.tree-child { position: relative; flex-shrink: 0; }
.tree-child::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 50%;
  width: 2px;
  height: 14px;
  background: var(--primary);
}
.tree-child .tree-couple { margin-top: 14px; }

/* 父子连接：竖线末端的向下箭头 */
.tree-arrow {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--primary);
  z-index: 1;
  filter: drop-shadow(0 1px 1px rgba(139, 90, 43, 0.3));
}

/* 多子女之间的横向总线：从第一个子女中心延伸到最后一个子女中心（位置由 JS 按实际布局设置） */
.tree-children::after {
  content: "";
  position: absolute;
  top: -14px;
  left: var(--bus-left, 0px);
  width: var(--bus-width, 0px);
  height: 2px;
  background: var(--primary);
}

.generation-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 10px;
  margin-bottom: 4px;
}

/* ============================================================
   移动端 / 小屏响应式适配
   ============================================================ */
@media (max-width: 768px) {
  /* ---- 顶栏：第一行 logo+用户，第二行标签横向滚动 ---- */
  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 8px 12px 6px;
    gap: 2px 0;
  }
  .topbar .logo { order: 1; margin-right: auto; font-size: 17px; letter-spacing: 1px; }
  .topbar-user { order: 2; padding: 6px 8px; font-size: 13px; }
  .tabs {
    order: 3;
    width: 100%;
    flex: none;
    flex-wrap: nowrap;
    overflow-x: auto;
    margin-top: 6px;
    padding-bottom: 2px;
    gap: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab-btn { flex-shrink: 0; white-space: nowrap; padding: 7px 13px; font-size: 14px; }

  /* ---- 布局 ---- */
  body { overflow-x: hidden; }
  .container { padding: 14px 10px; }
  .section-title { font-size: 17px; margin-bottom: 14px; }
  .panel { padding: 16px 12px; margin-bottom: 16px; border-radius: 8px; }
  .panel-title { font-size: 16px; margin-bottom: 14px; }

  /* ---- 首页统计：三列紧凑展示 ---- */
  .stats-cards { gap: 10px; margin-bottom: 16px; }
  .stat-card { padding: 16px 4px; border-radius: 8px; }
  .stat-number { font-size: 24px; }
  .stat-label { font-size: 12px; margin-top: 4px; }
  .gen-chart { height: 240px; }

  /* ---- 工具栏 ---- */
  .toolbar, .tree-toolbar { gap: 8px; }
  .toolbar-hint { display: none; }
  .manage-search { width: 100%; max-width: none; margin-left: 0; }
  .btn { padding: 9px 14px; } /* 增大触控区域 */
  #btn-add, #btn-add-user { width: 100%; }

  /* ---- 树工具栏：缩放控件换行铺满 ---- */
  .zoom-controls { margin-left: 0; width: 100%; flex-wrap: wrap; row-gap: 8px; }
  .zoom-controls .zoom-level { order: -1; margin-right: auto; }

  /* ---- 表格：横向滚动，保持列宽不被挤压 ---- */
  .table-wrap { -webkit-overflow-scrolling: touch; }
  .member-table { font-size: 13px; min-width: 780px; }
  #tab-users .member-table { min-width: 480px; }
  .member-table th, .member-table td { padding: 10px 8px; }
  .bio-cell { max-width: 180px; }
  .action-cell .btn { margin-bottom: 4px; }

  /* ---- 搜索 ---- */
  .search-box { gap: 8px; }
  .search-cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .search-card { padding: 12px; }

  /* 输入框 16px 防止 iOS 聚焦自动放大 */
  .form-item input, .form-item select, .form-item textarea,
  .login-item input, .manage-search input, .search-box input { font-size: 16px; }

  /* ---- 弹窗：近乎全屏 ---- */
  .modal { padding: 10px; }
  .modal-box {
    width: 100%;
    max-width: none;
    padding: 18px 14px;
    max-height: calc(100vh - 20px);
    border-radius: 10px;
  }
  .modal-box h2 { font-size: 17px; margin-bottom: 14px; }
  .form-row { flex-direction: column; gap: 12px; margin-bottom: 12px; }
  .form-item { min-width: 100%; }
  .modal-footer { gap: 8px; }
  .modal-footer .btn { flex: 1; padding: 11px; }

  /* ---- 详情 ---- */
  .detail-row .label { width: 84px; font-size: 13px; }
  .detail-avatars { gap: 16px; }

  /* ---- 登录 ---- */
  .login-box { width: calc(100% - 32px); max-width: 400px; padding: 28px 22px; }
  .login-logo { font-size: 22px; }

  /* ---- 族谱树 ---- */
  .family-tree { padding: 12px 8px; min-height: 320px; }
  .tree-couple { padding: 8px 10px; }
  .tree-person { min-width: 74px; }
  .tree-person .t-avatar { width: 48px; height: 48px; border-width: 2px; }
  .tree-person .t-name { font-size: 13px; }
  .tree-person .t-life { font-size: 10px; }
  .tree-children { gap: 18px; margin-top: 20px; }

  /* ---- 图片放大查看器 ---- */
  .image-viewer-close { top: 12px; right: 14px; width: 40px; height: 40px; }
  #image-viewer-img { max-width: 96vw; max-height: 80vh; }

  /* ---- Toast / 导出 ---- */
  .toast { max-width: 88vw; text-align: center; }
  .export-actions { gap: 10px; }
  .export-actions .btn { flex: 1; min-width: 150px; }
}

@media (max-width: 480px) {
  .search-cards { grid-template-columns: 1fr; }
  .stat-number { font-size: 21px; }
  .stat-label { font-size: 11px; }
  .topbar .logo { font-size: 16px; }
  /* 顶栏用户名仅保留头像+箭头，避免拥挤 */
  .topbar-user #user-display-name { display: none; }
  .zoom-fit-btn { font-size: 12px; padding: 6px 10px; }
}