.home-banner {
  margin: 10px 12px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--primary-light);
  box-shadow: var(--shadow-card);
}
.home-banner img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}
.banner-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
}
.banner-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.banner-dot.active {
  width: 18px;
  border-radius: 3px;
  background: #fff;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 12px;
}
.category-grid-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 10px 4px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.category-grid-item:active { transform: scale(0.96); }
.category-grid-item .cat-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
}
.category-grid-item .cat-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}
.category-grid-item.cat-selected {
  border: 1.5px solid var(--primary);
  background: rgba(255,140,0,0.06);
}
.picker-cat-item {
  cursor: pointer;
  transition: transform 0.15s;
}
.picker-cat-item:active {
  transform: scale(0.95);
}
.category-horizontal-scroll {
  display: flex;
  gap: 12px;
  padding: 12px 12px 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}
.category-horizontal-scroll::-webkit-scrollbar { display: none; }
.cat-horizontal-item {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 12px 10px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1.5px solid #E0E0E0;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
  scroll-snap-align: start;
  min-width: 75px;
}
.cat-horizontal-item:active { transform: scale(0.96); }
.cat-horizontal-item.active {
  box-shadow: 0 2px 10px rgba(255,140,0,0.25);
}
.cat-horizontal-item .cat-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}
.cat-horizontal-item .cat-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
}
.cat-picker-btn .cat-icon {
  background: #F5F5F5 !important;
  color: #8D6E63 !important;
}
@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0.8; }
  to { transform: translateY(0); opacity: 1; }
}
.post-card.is-top {
  border: 1.5px solid var(--primary);
  position: relative;
}
.post-card.is-top::before {
  content: '置顶';
  position: absolute;
  top: -1px; right: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.post-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 14px;
  margin: 6px 12px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.post-card:active { transform: scale(0.99); box-shadow: 0 1px 4px rgba(255,140,0,0.06); }

.post-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.post-card-user { flex: 1; }
.post-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-preview {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.post-card-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}
.post-card-action {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.post-card-action:hover { background: var(--primary-xlight); color: var(--primary); }
.post-card-action.active { color: var(--primary); }
.post-card-action i { font-size: 14px; }
.post-detail-body {
  padding: 14px;
}
.post-detail-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 12px;
}
.post-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 14px;
}
.post-detail-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-primary);
  word-break: break-word;
}
.post-detail-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 8px 0;
}
.post-detail-actions {
  display: flex;
  justify-content: space-around;
  padding: 14px 0;
  margin-top: 14px;
  border-top: 1px solid var(--border-light);
}
.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-light);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
  border: none;
  background: none;
}
.action-btn:active { background: var(--primary-xlight); }
.action-btn.active { color: var(--primary); }
.action-btn i { font-size: 22px; }
.comment-section { padding: 0 0 80px; }
.comment-title {
  font-size: 15px;
  font-weight: 700;
  padding: 12px 14px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
}
.comment-item {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
}
.comment-item.reply {
  margin-left: 48px;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}
.comment-body { display: flex; gap: 10px; }
.comment-content { flex: 1; }
.comment-user { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.comment-text { font-size: 14px; color: var(--text-primary); line-height: 1.6; margin: 4px 0; }
.comment-footer { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-light); margin-top: 4px; }
.comment-time { font-size: 11px; }
.comment-action { cursor: pointer; padding: 2px 4px; }
.comment-action:active { color: var(--primary); }
.quick-comment {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
  padding: 8px 12px;
  padding-bottom: calc(8px + var(--safe-bottom));
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 150;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
}
.quick-comment input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--text-primary);
}
.quick-comment input:focus { border-color: var(--primary); }
.quick-comment .btn-send {
  padding: 10px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
  border: none;
}
.quick-comment .btn-send:active { background: var(--primary-dark); }
.post-form { padding: 14px; }
.post-form-group { margin-bottom: 16px; }
.post-form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: block;
}
.category-select {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.category-option {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-card);
  transition: all 0.15s;
}
.category-option.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.image-uploader {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.img-upload-item {
  aspect-ratio: 1;
  border-radius: var(--radius);
  border: 1.5px dashed var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-light);
  font-size: 12px;
  transition: border-color 0.2s;
  position: relative;
  overflow: hidden;
  background: var(--primary-xlight);
}
.img-upload-item:hover { border-color: var(--primary); color: var(--primary); }
.img-upload-item i { font-size: 24px; }
.img-upload-item input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.img-upload-preview {
  position: absolute;
  inset: 0;
  object-fit: cover;
}
.img-upload-remove {
  position: absolute;
  top: 4px; right: 4px;
  width: 20px; height: 20px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  z-index: 2;
}
.activity-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin: 8px 12px;
  cursor: pointer;
  transition: transform 0.15s;
}
.activity-card:active { transform: scale(0.99); }
.activity-cover {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--primary-light);
}
.activity-body { padding: 12px; }
.activity-title { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.activity-info { display: flex; flex-direction: column; gap: 5px; }
.activity-info-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-light); }
.activity-info-item i { color: var(--primary); font-size: 13px; }
.activity-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.activity-status { padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 700; }
.activity-status.open   { background: rgba(67,160,71,0.12); color: var(--success); }
.activity-status.ended  { background: rgba(141,110,99,0.1); color: var(--text-light); }
.activity-status.running { background: rgba(255,140,0,0.12); color: var(--primary); }
.level-card {
  background: var(--bg-header);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: 20px;
  color: #fff;
  margin-bottom: 16px;
}
.level-info { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.level-avatar { width: 60px; height: 60px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.5); }
.level-detail h3 { font-size: 16px; font-weight: 700; }
.level-detail p { font-size: 12px; opacity: 0.8; }
.exp-bar-wrap { background: rgba(255,255,255,0.2); border-radius: var(--radius-full); height: 8px; overflow: hidden; }
.exp-bar-fill { height: 100%; background: #fff; border-radius: var(--radius-full); transition: width 0.5s; }
.exp-text { font-size: 11px; opacity: 0.8; margin-top: 4px; text-align: right; }

.task-list { padding: 0 12px; }
.task-item {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.task-icon { width: 40px; height: 40px; border-radius: var(--radius); background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--primary); }
.task-info { flex: 1; }
.task-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.task-desc { font-size: 12px; color: var(--text-light); margin-top: 2px; }
.task-reward { display: flex; gap: 6px; }
.task-progress { font-size: 11px; color: var(--text-light); margin-top: 3px; }
.task-claim-btn {
  padding: 6px 14px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: background 0.15s;
}
.task-claim-btn:active { background: var(--primary-dark); }
.task-claim-btn.done { background: var(--border); color: var(--text-light); cursor: default; }
.signin-zone {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin: 0 12px 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.signin-zone-info h4 { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.signin-zone-info p { font-size: 12px; color: var(--text-light); margin-top: 3px; }
.signin-zone-btn {
  padding: 10px 20px;
  background: var(--bg-header);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 12px rgba(255,140,0,0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}
.signin-zone-btn:active { transform: scale(0.96); }
.signin-zone-btn.signed { background: var(--border); color: var(--text-light); cursor: default; box-shadow: none; }
.profile-header {
  background: var(--bg-header);
  padding: 24px 16px 20px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: 0 0 24px 24px;
}
.profile-avatar { width: 72px; height: 72px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.4); object-fit: cover; }
.profile-info { flex: 1; }
.profile-name { font-size: 18px; font-weight: 800; }
.profile-bio  { font-size: 12px; opacity: 0.8; margin-top: 4px; }
.profile-edit-btn {
  padding: 6px 14px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.3);
}

.profile-stats {
  display: flex;
  justify-content: space-around;
  padding: 16px 0;
  margin: -10px 16px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 1;
}
.profile-stat { text-align: center; cursor: pointer; }
.profile-stat-num { font-size: 18px; font-weight: 800; color: var(--text-primary); }
.profile-stat-label { font-size: 11px; color: var(--text-light); margin-top: 2px; }

.profile-menu {
  margin: 0 12px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.profile-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border-light);
  -webkit-tap-highlight-color: transparent;
}
.profile-menu-item:last-child { border-bottom: none; }
.profile-menu-item:active { background: var(--primary-xlight); }
.profile-menu-item i { font-size: 18px; width: 24px; text-align: center; }
.profile-menu-item span { flex: 1; font-size: 14px; font-weight: 600; color: var(--text-primary); }
.profile-menu-item .menu-arrow { color: var(--text-light); font-size: 14px; }
.profile-menu-badge {
  min-width: 16px;
  height: 16px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  flex-shrink: 0;
}
.auth-page {
  min-height: 100vh;
  background: var(--bg-page);
  display: flex;
  flex-direction: column;
}
.auth-logo {
  text-align: center;
  padding: 40px 0 20px;
}
.auth-logo h1 {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 2px;
}
.auth-logo p { font-size: 13px; color: var(--text-light); margin-top: 6px; }
.auth-form { padding: 0 24px; flex: 1; }
.auth-form-group { margin-bottom: 14px; }
.auth-form-label { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; display: block; }
.auth-form-link { text-align: center; margin-top: 16px; font-size: 14px; color: var(--text-secondary); }
.auth-form-link a { color: var(--primary); font-weight: 600; }
.captcha-wrap { display: flex; gap: 10px; align-items: center; }
.captcha-img { height: 40px; border-radius: var(--radius); cursor: pointer; flex-shrink: 0; }
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-card);
}
.search-input-wrap { flex: 1; position: relative; }
.search-input-wrap i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 16px;
}
.search-input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 14px;
  background: var(--bg-page);
  color: var(--text-primary);
  transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--primary); }
.search-cancel { color: var(--primary); font-size: 14px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.hot-tags { padding: 12px; }
.hot-tags-title { font-size: 13px; font-weight: 700; color: var(--text-secondary); margin-bottom: 10px; }
.hot-tags-list { display: flex; flex-wrap: wrap; gap: 8px; }
.hot-tag {
  padding: 5px 14px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.search-tabs { display: flex; border-bottom: 1px solid var(--border-light); }
.search-tab { flex: 1; text-align: center; padding: 12px; font-size: 14px; font-weight: 600; color: var(--text-light); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.2s; }
.search-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.sub-tab-bar { display: flex; background: var(--bg-card); border-bottom: 1px solid var(--border-light); }
.sub-tab { flex: 1; text-align: center; padding: 12px; font-size: 14px; font-weight: 600; color: var(--text-light); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.2s; }
.sub-tab.active { color: var(--primary); border-bottom-color: var(--primary); }