.forum-page {
  min-height: 100vh;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  position: relative;
  font-family: '思源宋体 Light' !important;
}

/* 顶部栏 */
.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 40rpx 30rpx;
  border-radius: 0 0 40rpx 40rpx;
  box-shadow: 0 10rpx 40rpx rgba(102, 126, 234, 0.15);
  margin-bottom: 30rpx;
}

.header-content {
  display: flex;
  flex-direction: column;
  gap: 30rpx;
}

.header-main {
  display: flex;
  flex-direction: column;
  gap: 10rpx;
}

.title-text {
  font-size: 44rpx;
  font-weight: 800;
  color: white;
  letter-spacing: -0.5rpx;
}

.title-sub {
  font-size: 26rpx;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
}

/* 搜索框 */
.search-section {
  padding: 0 30rpx 25rpx;
}

.search-box {
  display: flex;
  align-items: center;
  background: white;
  border-radius: 50rpx;
  padding: 0 30rpx;
  height: 88rpx;
  box-shadow: 0 15rpx 50rpx rgba(0, 0, 0, 0.05);
  border: 2rpx solid #e2e8f0;
  transition: all 0.3s ease;
}

.search-box:focus-within {
  border-color: #667eea;
  box-shadow: 0 15rpx 50rpx rgba(102, 126, 234, 0.15);
}

.search-icon {
  width: 36rpx;
  height: 36rpx;
  margin-right: 20rpx;
}

.search-input {
  flex: 1;
  font-size: 30rpx;
  height: 88rpx;
  line-height: 88rpx;
  color: #1e293b;
  box-sizing: border-box;
}

.search-clear {
  width: 44rpx;
  height: 44rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border-radius: 50%;
}

.clear-text {
  font-size: 32rpx;
  color: #94a3b8;
  line-height: 1;
}

/* 搜索加载提示 */
.search-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100rpx 30rpx;
  text-align: center;
}

.search-spinner {
  width: 60rpx;
  height: 60rpx;
  border: 4rpx solid rgba(102, 126, 234, 0.1);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 30rpx;
}

.search-loading-text {
  font-size: 30rpx;
  color: #64748b;
  font-weight: 500;
}

/* 帖子列表区域 */
.post-list-section {
  height: calc(100vh - 320rpx);
  padding: 0 20rpx;
  box-sizing: border-box;
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 150rpx 30rpx;
  text-align: center;
}


.empty-text {
  font-size: 32rpx;
  color: #94a3b8;
  margin-bottom: 50rpx;
  line-height: 1.5;
  max-width: 400rpx;
}

.empty-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 30rpx;
  font-weight: 600;
  padding: 24rpx 60rpx;
  border-radius: 50rpx;
  box-shadow: 0 10rpx 30rpx rgba(102, 126, 234, 0.3);
  border: none;
  margin: 0;
}

.empty-btn::after {
  border: none;
}

/* 帖子卡片 */
.post-list {
  padding: 10rpx;
}

.post-card {
  background: white;
  border-radius: 24rpx;
  margin-bottom: 25rpx;
  box-shadow: 0 10rpx 40rpx rgba(0, 0, 0, 0.04);
  border: 1rpx solid #f1f5f9;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-card:active {
  transform: translateY(-4rpx);
  box-shadow: 0 20rpx 60rpx rgba(0, 0, 0, 0.1);
}

/* 帖子内容 */
.post-content {
  padding: 20rpx;
}

.post-type {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1rpx solid #f1f5f9;
  padding-bottom: 20rpx;
}

/* 帖子标题 */
.post-title-wrapper {
  margin: 20rpx 0;
}

.post-title {
  font-size: 34rpx;
  font-weight: 700;
  color: #1e293b;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 帖子摘要 */
.post-summary {
  font-size: 28rpx;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 25rpx;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 图片区域 */
.post-images {
  margin-bottom: 25rpx;
}

.images-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  position: relative;
}

.post-image {
  width: 180rpx;
  height: 180rpx;
  border-radius: 16rpx;
  flex-shrink: 0;
  object-fit: cover;
}



/* 帖子底部信息 */
.post-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-top: 25rpx;
  border-top: 1rpx solid #f1f5f9;
}

/* 用户信息 */
.user-info {
  display: flex;
  align-items: center;
  gap: 15rpx;
}

.user-avatar {
  width: 64rpx;
  height: 64rpx;
  border-radius: 50%;
  border: 2rpx solid white;
  box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.08);
}

.username {
  font-size: 28rpx;
  font-weight: 600;
  color: #334155;
}

/* 元信息 */
.post-meta {
  display: flex;
  align-items: center;
  gap: 25rpx;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8rpx;
}

.meta-icon {
  width: 28rpx;
  height: 28rpx;
  opacity: 0.5;
}

.meta-count {
  font-size: 26rpx;
  font-weight: 600;
  color: #64748b;
}

.post-time {
  font-size: 24rpx;
  color: #94a3b8;
  font-weight: 500;
}

/* 加载更多 */
.load-more {
  padding: 50rpx 0;
  text-align: center;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20rpx;
}

.spinner {
  width: 40rpx;
  height: 40rpx;
  border: 4rpx solid rgba(102, 126, 234, 0.1);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  font-size: 28rpx;
  color: #94a3b8;
  font-weight: 500;
}

/* 没有更多了 */
.no-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30rpx;
  padding: 50rpx 0;
}

.no-more-line {
  flex: 1;
  height: 1rpx;
  background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.no-more-text {
  font-size: 26rpx;
  color: #cbd5e1;
  font-weight: 500;
  padding: 0 20rpx;
}

/* 固定发布按钮（左下角） */
.floating-create-btn {
  position: fixed;
  left: 40rpx;
  bottom: 40rpx;
  width: 100rpx;
  height: 100rpx;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 15rpx 50rpx rgba(102, 126, 234, 0.4);
  z-index: 100;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-create-btn:active {
  transform: scale(0.95);
  box-shadow: 0 10rpx 30rpx rgba(102, 126, 234, 0.3);
}

.create-icon {
  width: 44rpx;
  height: 44rpx;
}

/* 返回顶部按钮 - 修复图标显示 */
.back-to-top-btn {
  position: fixed;
  right: 40rpx;
  bottom: 40rpx;
  width: 100rpx;
  height: 100rpx;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10rpx 40rpx rgba(0, 0, 0, 0.1);
  z-index: 100;
  opacity: 0;
  transform: translateY(50rpx) scale(0.8);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
}

.back-to-top-btn.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.back-to-top-btn:active {
  transform: translateY(2rpx) scale(0.98);
  background: #f8fafc;
  transition: transform 0.1s ease;
}

.back-top-icon {
  font-size: 40rpx;
  color: #667eea;
  font-weight: bold;
  transition: all 0.3s ease;
}

.back-to-top-btn:active .back-top-icon {
  transform: translateY(-2rpx);
}

/* 发布模态框 */
.post-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10rpx);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.post-modal-content {
  background: white;
  width: 100%;
  border-radius: 40rpx 40rpx 0 0;
  max-height: 85vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40rpx 30rpx 30rpx;
  border-bottom: 1rpx solid #f1f5f9;
}

.modal-title {
  font-size: 38rpx;
  font-weight: 700;
  color: #1e293b;
}

.modal-close {
  width: 50rpx;
  height: 50rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border-radius: 50%;
}

.close-icon {
  font-size: 36rpx;
  color: #64748b;
  line-height: 1;
}

.modal-body {
  padding: 30rpx;
  box-sizing: border-box;
}

.form-field {
  margin-bottom: 40rpx;
}

.field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16rpx;
}

.field-label {
  font-size: 30rpx;
  font-weight: 600;
  color: #1e293b;
}

.field-counter, .field-hint {
  font-size: 26rpx;
  color: #94a3b8;
}

.title-input {
  font-family: '思源宋体 Light' !important;
  background: #f8fafc;
  border-radius: 16rpx;
  font-size: 30rpx;
  width: 100%;
  height: 80rpx;
  line-height: 80rpx;
  padding: 0 20rpx;
  box-sizing: border-box;
  transition: all 0.3s ease;
  border: 2rpx solid transparent;
}

.title-input:focus {
  border-color: #667eea;
  background: white;
  box-shadow: 0 0 0 4rpx rgba(102, 126, 234, 0.1);
  outline: none;
}

.content-input {
  background: #f8fafc;
  border-radius: 16rpx;
  font-size: 30rpx;
  min-height: 200rpx;
  line-height: 1.6;
  padding: 20rpx;
  box-sizing: border-box;
  width: 100%;
  transition: all 0.3s ease;
  border: 2rpx solid transparent;
}

.content-input:focus {
  border-color: #667eea;
  background: white;
  box-shadow: 0 0 0 4rpx rgba(102, 126, 234, 0.1);
  outline: none;
}

.image-upload-area {
  margin-top: 10rpx;
}

.uploaded-images {
  display: flex;
  flex-wrap: wrap;
  gap: 20rpx;
  margin-bottom: 20rpx;
}

.image-item {
  position: relative;
  width: 180rpx;
  height: 180rpx;
}

.preview-image {
  width: 100%;
  height: 100%;
  border-radius: 16rpx;
  object-fit: cover;
}

.image-remove {
  position: absolute;
  top: -12rpx;
  right: -12rpx;
  width: 44rpx;
  height: 44rpx;
  background: #ef4444;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6rpx 20rpx rgba(239, 68, 68, 0.3);
}

.remove-icon {
  font-size: 28rpx;
  color: white;
  line-height: 1;
  font-weight: bold;
}

.upload-btn {
  width: 180rpx;
  height: 180rpx;
  border: 2rpx dashed #cbd5e1;
  border-radius: 16rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  transition: all 0.3s ease;
  gap: 15rpx;
}

.upload-btn:active {
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.05);
}

.camera-icon {
  width: 48rpx;
  height: 48rpx;
  filter: brightness(0);
}

.upload-text {
  font-size: 26rpx;
  color: #64748b;
  font-weight: 500;
}

.modal-footer {
  display: flex;
  gap: 20rpx;
  padding: 30rpx;
  background: #f8fafc;
  border-top: 1rpx solid #f1f5f9;
}

.cancel-btn, .submit-btn {
  flex: 1;
  border-radius: 16rpx;
  font-size: 32rpx;
  font-weight: 600;
  border: none;
  margin: 0;
  transition: all 0.3s ease;
}

.cancel-btn::after, .submit-btn::after {
  border: none;
}

.cancel-btn {
  background: white;
  color: #64748b;
  border: 1rpx solid #e2e8f0;
}

.cancel-btn:active {
  background: #f8fafc;
}

.submit-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 10rpx 30rpx rgba(102, 126, 234, 0.3);
}

.submit-btn:active:not([disabled]) {
  transform: translateY(-2rpx);
  box-shadow: 0 15rpx 40rpx rgba(102, 126, 234, 0.4);
}

.submit-btn[disabled] {
  background: #cbd5e1;
  box-shadow: none;
  color: #94a3b8;
}

/* 首次加载遮罩 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10rpx);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30rpx;
}

.spinner-large {
  width: 80rpx;
  height: 80rpx;
  border: 6rpx solid rgba(102, 126, 234, 0.1);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-tip {
  font-size: 32rpx;
  color: #64748b;
  font-weight: 500;
}

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* 添加返回顶部按钮的呼吸动画 */
@keyframes breathe {
  0%, 100% { 
    box-shadow: 0 10rpx 40rpx rgba(0, 0, 0, 0.1); 
  }
  50% { 
    box-shadow: 0 10rpx 40rpx rgba(102, 126, 234, 0.3); 
  }
}

.back-to-top-btn.show {
  animation: breathe 3s ease-in-out infinite;
}

/* 响应式调整 */
@media (min-width: 768px) {
  .post-card {
    max-width: 600rpx;
    margin-left: auto;
    margin-right: auto;
  }
  
  .floating-create-btn {
    left: calc(50% - 250rpx);
  }
  
  .back-to-top-btn {
    right: calc(50% - 250rpx);
  }
}