/* ===== 导航栏 ===== */
/* 与收集箱一致：透明顶栏，透出页面奶油底（--bg-page），避免白条割裂 */
.nav-header {
  background: transparent;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: none;
  position: sticky;
  top: var(--safe-top);
  z-index: 50;
}
.nav-back {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--color-text-primary);
  font-size: 18px;
}
.nav-title { font-size: 17px; font-weight: 600; }
.nav-action {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--color-brand);
  font-size: 18px;
}

/* ===== 底部 Tab 栏 ===== */
.tab-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(var(--tab-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--color-card);
  border-top: 1px solid var(--color-border-light);
  display: flex; align-items: flex-start; justify-content: space-around;
  padding-top: 6px; z-index: 100;
  max-width: 375px; margin: 0 auto;
}
.tab-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px; cursor: pointer; padding: 4px 12px;
  border-radius: var(--radius-sm); transition: all 0.2s;
  min-width: 64px; text-decoration: none;
}
.tab-item.active { color: var(--color-brand); }
.tab-item:not(.active) { color: var(--color-text-tertiary); }
.tab-icon { font-size: 22px; line-height: 1; position: relative; }
.tab-item.active .tab-icon::after {
  content: '';
  position: absolute; bottom: -4px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 3px;
  background: var(--color-brand); border-radius: 2px;
}
.tab-label { font-size: 10px; font-weight: 500; }

/* ===== SPA 适配层（xinshengming H5）===== */
:root {
  --primary: var(--color-brand);
  --primary-light: var(--color-brand-light);
  --primary-dark: var(--color-brand-dark);
  --bg: var(--color-bg);
  --card: var(--color-card);
  --text: var(--color-text-primary);
  --muted: var(--color-text-secondary);
  --border: var(--color-border);
  --danger: var(--color-error);
  --danger-light: var(--color-error-light);
  --warn: var(--color-warning);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
html, body { height: 100%; overflow: hidden; }
body { max-width: 480px; margin: 0 auto; min-height: 100%; }
#app { position: relative; width: 100%; height: 100%; height: 100dvh; overflow: hidden; }
.page {
  display: none !important;
  position: absolute; inset: 0;
  flex-direction: column;
  background: linear-gradient(180deg, #FFFBF0 0%, var(--bg-page) 50px, var(--bg-page) 100%);
  overflow: hidden; z-index: 1;
  padding-bottom: calc(var(--tab-height) + var(--safe-bottom));
}
.page.active { display: flex !important; z-index: 2; }
.page.no-tab { padding-bottom: 0; }
.page .content, .page .content-area { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.nav-spacer { width: 32px; flex-shrink: 0; }
/* ===== 顶栏：压矮 + 标题绝对居中；返回与微信关闭钮更近，右侧操作更紧凑 ===== */
.nav-header.nav-header--main,
.nav-header.nav-header--case,
.nav-header.kb-list-nav-header {
  display: flex !important;
  grid-template-columns: unset !important;
  align-items: center;
  justify-content: space-between;
  position: relative;
  height: 44px !important;
  min-height: 44px !important;
  padding-left: 4px !important;
  padding-right: 12px !important;
  gap: 0;
  overflow: visible;
}
.nav-header.nav-header--main > .nav-menu-btn,
.nav-header.nav-header--main > .nav-back,
.nav-header.nav-header--case > .nav-menu-btn,
.nav-header.nav-header--case > .nav-back,
.nav-header.kb-list-nav-header > .nav-back {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  /* 热区 ≥44px，字形贴左，缩短与微信 X 的横向错位 */
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 44px !important;
  height: 44px !important;
  min-width: 44px;
  min-height: 44px;
  margin: 0 0 0 -2px !important;
  padding: 0 !important;
  box-sizing: border-box;
  font-size: 28px !important;
  line-height: 1 !important;
}
.nav-header.nav-header--main .nav-title,
.nav-header.nav-header--case .nav-title,
.nav-header.kb-list-nav-header .nav-title {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 0;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: calc(100% - 140px);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.2;
  pointer-events: none;
}
.nav-header.nav-header--main > .nav-actions,
.nav-header.nav-header--main > .nav-spacer,
.nav-header.nav-header--main > .nav-action,
.nav-header.nav-header--main > .kb-nav-actions,
.nav-header.nav-header--main > .kb-learn-nav-actions,
.nav-header.nav-header--main > .follow-list-nav-tools,
.nav-header.nav-header--case > .nav-actions,
.nav-header.nav-header--case > .nav-spacer,
.nav-header.nav-header--case > .nav-action,
.nav-header.kb-list-nav-header > .kb-nav-actions {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  margin-left: auto;
  justify-self: unset;
}
.tab-bar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; z-index: 1000;
  height: calc(var(--tab-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
}
.tab-bar.tab-bar--hidden { display: none !important; }
.tab-bar .tab-item, .tab-bar .tab {
  flex: 1; border: none; background: transparent;
  display: flex; flex-direction: column; align-items: center;
  gap: 2px; cursor: pointer; padding: 4px 4px 0;
  color: var(--color-text-tertiary); font-size: 10px; font-weight: 500;
  text-decoration: none;
}
.tab-bar .tab-item.active, .tab-bar .tab.active { color: var(--color-brand); font-weight: 600; }
.tab-bar .tab-icon { font-size: 22px; line-height: 1; position: relative; }
.tab-bar .tab-item.active .tab-icon::after, .tab-bar .tab.active .tab-icon::after {
  content: ""; position: absolute; bottom: -4px; left: 50%;
  transform: translateX(-50%); width: 20px; height: 3px;
  background: var(--color-brand); border-radius: 2px;
}
.fab {
  left: auto; right: 20px; transform: none; max-width: none; margin: 0;
}
.fab:hover { transform: scale(1.05); }
.bottom-bar {
  left: 50%; transform: translateX(-50%); max-width: 480px; width: 100%;
}

/* 案例详情：底栏随页面 flex 布局，避免 fixed + transform 遮挡正文 */
#page-detail.active {
  display: flex !important;
  flex-direction: column;
  padding-bottom: 0 !important;
}
#page-detail .content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 16px;
}
#page-detail .bottom-bar {
  position: relative;
  left: auto;
  right: auto;
  bottom: auto;
  transform: none;
  flex-shrink: 0;
  width: 100%;
  max-width: none;
  margin: 0;
  z-index: 10;
  box-sizing: border-box;
}
.case-card .body { padding: 12px 14px; }
.profile-avatar img, .profile-avatar.has-img img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
}
#page-mine .content { padding-top: 0; }
.public-card-scroll { padding-top: 0; }
.public-hero { margin-top: 0 !important; }
.public-bio { font-size: 13px; opacity: 0.85; margin-top: 8px; line-height: 1.5; color: #fff; }
.btn-primary { background: var(--color-brand); color: #fff; border: none; }
.btn-outline, .btn-secondary {
  background: var(--color-card); color: var(--color-brand);
  border: 1.5px solid var(--color-brand);
}
.input, .form-input { border-radius: var(--radius-md); }
.chip-group .chip.selected, .chip-group .chip.active { background: var(--color-brand-light); color: var(--color-brand); border-color: var(--color-brand); }
.case-card-horizontal { display: flex; margin: 0 16px 10px; background: var(--color-card); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); cursor: pointer; }
.case-card-horizontal .case-thumb-h { width: 100px; min-height: 100px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 32px; position: relative; }
.case-card-horizontal .case-body-h { flex: 1; padding: 10px 12px; min-width: 0; }
.stats-donut { display: flex; align-items: center; gap: 16px; }
#page-stats .content { padding-top: 0; }

/* ===== 布局修复：筛选标签 / Tab栏 / 顶栏遮挡 ===== */
:root { --safe-top: 0px; }

.nav-header, .nav-bar {
  position: relative !important;
  top: 0 !important;
  flex-shrink: 0;
  min-height: 52px;
  z-index: 10;
}

.page > .nav-header,
.page > .nav-bar {
  flex-shrink: 0;
  position: relative;
  z-index: 150;
}

.page.no-tab > .content {
  padding-top: 8px;
}

.filter-tabs {
  padding: 0 16px 12px;
  padding-right: 24px;
  scroll-padding-right: 20px;
}

.filter-tab {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  line-height: 1.35;
  min-height: 34px;
  box-sizing: border-box;
  font-family: inherit;
  overflow: visible;
  -webkit-appearance: none;
  appearance: none;
}

.tab-bar {
  height: calc(62px + var(--safe-bottom)) !important;
  padding-top: 8px !important;
  align-items: flex-start !important;
  box-sizing: border-box;
}

.tab-bar .tab,
.tab-bar .tab-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 3px !important;
  padding: 2px 2px 8px !important;
  min-width: 0;
  font-size: 10px !important;
  line-height: 1.2 !important;
  background: transparent !important;
  overflow: visible !important;
}

.tab-bar .tab-icon {
  font-size: 20px;
  line-height: 1.15;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  flex-shrink: 0;
}

.tab-bar .tab-label {
  font-size: 10px;
  line-height: 1.25;
  white-space: nowrap;
  flex-shrink: 0;
}

.tab-bar .tab.active .tab-icon::after,
.tab-bar .tab-item.active .tab-icon::after {
  display: none !important;
}

.tab-icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tab-badge {
  position: absolute;
  top: -5px;
  right: -11px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--color-error, #ff4d4f);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  text-align: center;
  box-sizing: border-box;
  pointer-events: none;
  display: none;
}

.search-memory-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  margin-bottom: 8px;
  background: var(--color-bg-card, #fff);
  border-radius: var(--radius-md, 12px);
  border: 1px solid var(--color-border-light, rgba(0, 0, 0, 0.06));
  cursor: pointer;
}

.search-memory-icon {
  font-size: 20px;
  line-height: 1.2;
  flex-shrink: 0;
}

.search-memory-body {
  min-width: 0;
  flex: 1;
}

.search-memory-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text, #1a1a1a);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.search-memory-status {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-warning, #fa8c16);
  background: var(--color-warning-light, rgba(250, 140, 22, 0.12));
  padding: 1px 6px;
  border-radius: 4px;
}

.tab-bar .tab.active::after,
.tab-bar .tab-item.active::after {
  content: "";
  display: block;
  width: 18px;
  height: 3px;
  background: var(--color-brand);
  border-radius: 2px;
  flex-shrink: 0;
}

/* 有底栏但未标 data-main-tab 时预留空间；no-tab 页必须排除，否则底部出现一块空灰条 */
.page:not([data-main-tab]):not(.upload-form-page):not(.no-tab) {
  padding-bottom: calc(84px + var(--safe-bottom)) !important;
}

/* 无 Tab 表单页：中间可滚 + 底栏固定提交 */
.page.upload-form-page {
  padding-bottom: 0 !important;
}
.page.upload-form-page.active {
  display: flex !important;
  flex-direction: column;
}
.page.upload-form-page > .content {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.fab {
  bottom: calc(84px + var(--safe-bottom) + 16px) !important;
}

/* ===== 底栏 · 得到风格（尺寸见 18-wukong-ai.css，此处仅兜底） ===== */
.tab-bar--dedao .tab-bar__main-group {
  align-items: stretch;
  min-height: 56px;
  padding: 8px 10px 8px;
  overflow: visible;
  border-radius: 28px;
}
.tab-bar--dedao .tab-bar__main-group > .tab-item,
.tab-bar--dedao .tab-bar__main-group > .tab {
  justify-content: center !important;
  gap: 5px !important;
  padding: 2px 4px !important;
}
.tab-bar--dedao .tab-bar__main-group .tab-icon {
  font-size: 24px;
  height: 26px;
  min-height: 26px;
}
.tab-bar--dedao .tab-bar__main-group .tab-label {
  font-size: 11px;
}
.tab-bar--dedao .tab-bar__main-group .tab-icon-wrap {
  padding: 5px 8px 0 0;
  margin: -2px -4px 0 0;
  overflow: visible;
}
.tab-bar--dedao .tab-bar__main-group .tab-badge {
  top: 0;
  right: 0;
  min-width: 17px;
  height: 17px;
  line-height: 17px;
  border: 1.5px solid #fff;
  box-sizing: border-box;
}