/* CSS Reset 和基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS 变量定义 */
:root {
  --primary-color: #007aff;
  --secondary-color: #34c759;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #a1a1a6;
  --background-primary: #ffffff;
  --background-secondary: #f5f5f7;
  --background-tertiary: #fafafa;
  --border-color: #e5e5e7;
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.12);
  --border-radius: 12px;
  --border-radius-small: 8px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 基础字体和样式 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-secondary);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 加粗样式 */
.bold {
  font-weight: bold;
}

/* 主题颜色 */
.theme-color {
  color: var(--primary-color);
}

/* 主容器布局 */
.container {
  display: flex;
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
}

/* 左侧主内容区域 */
.main-content {
  flex: 1;
  padding: 40px;
  max-width: calc(100% - 350px);
  overflow-y: auto;
  background-color: var(--background-primary);
  margin: 40px 0;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

/* 右侧固定侧边栏 */
.sidebar {
  width: 350px;
  position: fixed;
  right: calc((100vw - 1200px) / 2);
  top: 0;
  height: 100vh;
  padding: 40px 30px;
  overflow-y: auto;
}

/* 当容器宽度不足时，调整侧边栏位置 */
@media (max-width: 1200px) {
  .sidebar {
    right: 0;
  }
}

/* 标签样式 */
.tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  padding: 8px 16px;
  border-radius: var(--border-radius-small);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 40px;
  box-shadow: var(--shadow-light);
}

/* 文章标题区域 */
.article-header {
  margin-bottom: 20px;
}

.main-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  background-clip: text;
}

.subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.4;
  font-weight: 400;
}

/* 作者信息区域 */
.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.user-avatar img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: var(--shadow-light);
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.user-role {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* 文章内容样式 */
.article-content {
  margin-bottom: 60px;
}

.article-content p {
  margin-bottom: 20px;
  line-height: 1.7;
  color: var(--text-primary);
  font-size: 16px;
}

.article-content img {
  width: 100%;
  margin: 24px 0;
  border-radius: var(--border-radius-small);
  display: block;
}

/* 评论区样式 */
.comments-section {
  margin-bottom: 60px;
}

.comments-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

/* 评论表单 */
.comment-form {
  margin-bottom: 32px;
}

.comment-input-wrapper {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.comment-form textarea {
  flex: 1;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  resize: vertical;
  transition: var(--transition);
  background-color: var(--background-primary);
}

.comment-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.send-comment-btn {
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.send-comment-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* 评论列表 */
.comments-list {
  space-y: 20px;
}

.comment-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background-color: var(--background-tertiary);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  transition: var(--transition);
}

.comment-item:hover {
  box-shadow: var(--shadow-light);
  transform: translateY(-1px);
}

.comment-avatar img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.comment-content {
  flex: 1;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.commenter-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.comment-time {
  font-size: 12px;
  color: var(--text-tertiary);
}

.comment-text {
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 14px;
}

/* 快速留言区域 */
.quick-message-section {
  margin-bottom: 60px;
}

.quick-message-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.quick-message-form {
  background-color: var(--background-tertiary);
  padding: 32px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-small);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
  background-color: var(--background-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* 联系方式选项样式 */
.contact-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 4px;
}

.radio-group {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 16px;
  border: 1px solid #d2d2d7;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  background-color: #fff;
}

.radio-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  cursor: pointer;
}

.radio-group:hover {
  background: #f5f5f7;
}

.radio-group input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border: 2px solid #d2d2d7;
  border-radius: 50%;
  margin: 0;
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  padding: 0;
}

.radio-group input[type="radio"]:checked {
  border-color: #0066dd;
  background: #fff;
}

.radio-group input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: #0066dd;
  border-radius: 50%;
}

.radio-group label {
  font-size: 15px;
  color: #1d1d1f;
  cursor: pointer;
  margin: 0;
}

.required {
  color: #ff3b30;
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.submit-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 右侧导游信息 */
.guide-info {
  background-color: var(--background-primary);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--border-color);
}

.guide-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
  text-align: center;
}

.guide-contact {
  text-align: center;
}

.wechat-info {
  margin-bottom: 20px;
}

.wechat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.wechat-id {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  background-color: var(--background-tertiary);
  padding: 8px 16px;
  border-radius: var(--border-radius-small);
  display: inline-block;
}

.qr-code {
  margin-bottom: 24px;
}

.qr-code img {
  width: 100%;
  border-radius: var(--border-radius-small);
  box-shadow: var(--shadow-light);
  margin-bottom: 8px;
}

.quick-contact-btn {
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.quick-contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* 底部版权 */
.footer {
  background-color: var(--text-primary);
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: auto;
}

.footer p {
  font-size: 14px;
  opacity: 0.8;
}

.footer a {
  color: white;
  text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .main-content {
    max-width: 100%;
    padding: 20px;
    margin: 0;
    border: none;
    box-shadow: none;
    border-radius: 0;
  }

  .sidebar {
    display: none; /* 移动端隐藏右侧内容 */
  }

  .main-title {
    font-size: 28px;
  }

  .subtitle {
    font-size: 16px;
  }

  .tag {
    font-size: 12px;
    padding: 6px 12px;
    margin-bottom: 24px;
  }

  .author-info {
    margin-bottom: 20px;
  }

  .comment-input-wrapper {
    flex-direction: column;
  }

  .comment-form textarea {
    width: 100%;
  }

  .send-comment-btn {
    width: 100%;
  }

  .quick-message-form {
    padding: 16px;
  }

  /* 小屏幕二维码弹窗适配 */
  .qr-modal {
    width: 260px;
    margin: 0 12px;
  }

  .qr-modal-content {
    padding: 12px;
  }

  .qr-code-image {
    border-radius: 5px;
  }

  .qr-modal-avatar {
    width: 50px;
    height: 50px;
  }

  .qr-modal-name {
    font-size: 16px;
  }

  .qr-modal-title {
    font-size: 12px;
  }

  .qr-modal-btn {
    width: 100%;
  }

  /* 移动端联系方式选项适配 */
  .radio-group {
    padding: 8px;
  }

  /* 移动端弹窗适配 */
  .success-modal {
    width: 300px;
    margin: 0 12px;
  }

  .success-content {
    padding: 32px 20px 24px;
  }

  .success-icon {
    width: 60px;
    height: 60px;
  }

  .success-content h3 {
    font-size: 20px;
  }

  .alert-modal {
    width: 280px;
    margin: 0 12px;
  }

  .alert-content {
    padding: 24px 16px 20px;
  }

  /* 快速留言弹窗移动端适配 */
  .quick-message-modal {
    width: 320px;
    margin: 0 12px;
  }

  .quick-message-modal-content {
    padding: 20px;
  }

  .quick-message-modal-header h3 {
    font-size: 18px;
  }

  .floating-buttons {
    display: flex;
    /* 移动端显示按钮组 */
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 16px;
    margin: 0;
    border: none;
    box-shadow: none;
    border-radius: 0;
  }

  .tag {
    font-size: 11px;
    padding: 5px 10px;
    margin-bottom: 20px;
  }

  .main-title {
    font-size: 24px;
  }

  .quick-message-form {
    padding: 16px;
  }

  /* 更小屏幕二维码弹窗适配 */
  .qr-modal {
    width: 240px;
    margin: 0 10px;
  }

  .qr-modal-content {
    padding: 14px;
  }

  .qr-modal-avatar {
    width: 45px;
    height: 45px;
  }

  .qr-modal-name {
    font-size: 14px;
  }

  .qr-modal-title {
    font-size: 11px;
    padding: 1px 6px;
  }

  .qr-modal-header {
    gap: 8px;
  }

  .qr-code-image {
    border-radius: 4px;
  }

  /* 更小屏幕联系方式选项适配 */
  .radio-group {
    padding: 8px;
  }

  /* 快速留言弹窗移动端适配 */
  .quick-message-modal {
    width: 300px;
    margin: 0 10px;
  }

  .quick-message-modal-content {
    padding: 16px;
  }

  .quick-message-modal-header {
    margin-bottom: 16px;
  }

  .quick-message-modal-header h3 {
    font-size: 18px;
  }

  .floating-buttons {
    right: 12px;
    bottom: 20px;
    gap: 10px;
  }

  .float-btn {
    width: 42px;
    height: 42px;
    border-radius: 21px;
  }

  .float-btn svg {
    width: 20px;
    height: 20px;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--background-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* 选择文本样式 */
::selection {
  background-color: rgba(0, 122, 255, 0.2);
}

/* 加载动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.comment-item,
.guide-info {
  animation: fadeInUp 0.6s ease-out;
}

/* 焦点可见性提升 */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* 特殊文本样式 */
.guide-name {
  color: #ff4444;
}

.wechat-number {
  color: #ff4444;
  font-weight: bold;
  cursor: pointer;
}

/* 路线描述样式 */
.itinerary-day {
  display: block;
  margin-bottom: 12px;
  color: var(--primary-color);
  font-weight: 600;
  line-height: 1.6;
}

/* 查看二维码按钮样式 */
.qr-btn {
  width: 100px !important;
  margin: 0 !important;
  margin-left: 6px !important;
  display: inline-block !important;
  border: none !important;
  cursor: pointer;
  vertical-align: middle;
  transition: transform 0.2s ease;
}

.qr-btn:hover {
  transform: scale(1.1);
}

/* 复制成功弹窗样式 */
.copy-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.copy-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.copy-modal {
  background: white;
  border-radius: 16px;
  padding: 32px 24px 24px;
  width: 350px;
  max-width: 90vw;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  text-align: center;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.copy-modal-overlay.show .copy-modal {
  transform: scale(1);
}

.copy-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 18px;
  color: #999;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.copy-modal-close:hover {
  background-color: #f0f0f0;
  color: #666;
}

.copy-modal-icon {
  width: 48px;
  height: 48px;
  background-color: #00c851;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.copy-modal-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.copy-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

.copy-modal-wechat {
  font-size: 16px;
  color: #666;
  margin-bottom: 8px;
}

.copy-modal-desc {
  font-size: 14px;
  color: #999;
  line-height: 1.4;
  margin-bottom: 24px;
}

.copy-modal-buttons {
  display: flex;
  gap: 12px;
}

.copy-modal-btn {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-modal-btn-secondary {
  background-color: #f5f5f5;
  color: #666;
}

.copy-modal-btn-secondary:hover {
  background-color: #e9e9e9;
}

.copy-modal-btn-primary {
  background-color: #00c851;
  color: white;
}

.copy-modal-btn-primary:hover {
  background-color: #00a843;
}

/* 二维码弹窗样式 */
.qr-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.qr-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.qr-modal {
  background: white;
  border-radius: 16px;
  width: 350px;
  max-width: 90vw;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.qr-modal-overlay.show .qr-modal {
  transform: scale(1);
}

.qr-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 18px;
  color: #999;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
  z-index: 10;
}

.qr-modal-close:hover {
  background-color: #f0f0f0;
  color: #666;
}

.qr-modal-content {
  padding: 20px;
  text-align: center;
}

.qr-modal-header {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.qr-modal-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #e0e0e0;
  flex-shrink: 0;
}

.qr-modal-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-modal-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qr-modal-name {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  text-align: left;
}

.qr-modal-title {
  font-size: 14px;
  color: #ff7b00;
  background-color: #fff4e6;
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-block;
  width: fit-content;
}

.qr-modal-qr {
  margin-bottom: 24px;
}

.qr-code-container {
  width: 80%;
  margin: 0 auto 12px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f9f9f9;
  overflow: hidden;
}

.qr-code-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.qr-modal-buttons {
  display: flex;
  gap: 12px;
}

.qr-modal-btn {
  flex: 1;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.qr-modal-btn-secondary {
  background-color: #f5f5f5;
  color: #666;
}

.qr-modal-btn-secondary:hover {
  background-color: #e9e9e9;
}

.qr-modal-btn-primary {
  background-color: #07c160;
  color: white;
}

.qr-modal-btn-primary:hover {
  background-color: #06ad56;
}

/* 錯誤提示樣式 */
.error-message {
  color: #ff3b30;
  font-size: 14px;
  margin-top: 5px;
  display: none;
}

/* 提交成功弹窗样式 */
.success-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.success-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.success-modal {
  background: white;
  border-radius: 16px;
  width: 400px;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.success-modal-overlay.show .success-modal {
  transform: scale(1);
}

.success-content {
  padding: 40px 32px 32px;
}

.success-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--secondary-color), #30d158);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: white;
}

.success-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.success-content p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.success-btn {
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.success-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* 错误提示弹窗样式 */
.alert-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.alert-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.alert-modal {
  background: white;
  border-radius: 16px;
  width: 350px;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.alert-modal-overlay.show .alert-modal {
  transform: scale(1);
}

.alert-content {
  padding: 32px 24px 24px;
}

.alert-content p {
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.alert-content button {
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  border: none;
  padding: 12px 32px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.alert-content button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* intlTelInput 样式调整 */
.iti {
  width: 100%;
}

#contact-number,
.iti-input {
  width: 100%;
}

.iti__selected-flag {
  padding: 0 8px;
}

/* 快速留言弹窗样式 */
/* z-index层级说明：
   - 普通弹窗(二维码、留言等): 1000
   - 提示弹窗(复制成功、提交成功、错误): 1100 (需要显示在普通弹窗之上)
*/
.quick-message-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.quick-message-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.quick-message-modal {
  background: white;
  border-radius: 16px;
  width: 500px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.quick-message-modal-overlay.show .quick-message-modal {
  transform: scale(1);
}

.quick-message-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 18px;
  color: #999;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
  z-index: 10;
}

.quick-message-modal-close:hover {
  background-color: #f0f0f0;
  color: #666;
}

.quick-message-modal-content {
  padding: 24px;
}

.quick-message-modal-header {
  margin-bottom: 24px;
  text-align: center;
}

.quick-message-modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.quick-message-modal-form .form-group {
  margin-bottom: 20px;
}

.quick-message-modal-form .form-group:last-of-type {
  margin-bottom: 24px;
}

.quick-message-modal-form .submit-btn {
  width: 100%;
  margin-top: 8px;
}

/* 评论注册弹窗样式 */
.comment-register-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.comment-register-modal[style*="flex"] {
  opacity: 1;
  visibility: visible;
}

.comment-register-modal-content {
  background: white;
  border-radius: 16px;
  width: 450px;
  max-width: 90vw;
  max-height: 90vh;
  /* overflow-y: auto; */
  position: relative;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.comment-register-modal[style*="flex"] .comment-register-modal-content {
  transform: scale(1);
}

.comment-register-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-color);
}

.comment-register-modal-header h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.comment-register-modal-close {
  background: none;
  border: none;
  font-size: 18px;
  color: #999;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.comment-register-modal-close:hover {
  background-color: #f0f0f0;
  color: #666;
}

.comment-register-form {
  padding: 24px;
}

.comment-register-form .form-group {
  margin-bottom: 20px;
}

.comment-register-form .form-group:last-of-type {
  margin-bottom: 24px;
}

.comment-register-form .submit-btn {
  width: 100%;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .comment-register-modal-content {
    width: 350px;
    margin: 0 12px;
  }

  .comment-register-modal-header {
    padding: 16px 20px 12px;
  }

  .comment-register-modal-header h4 {
    font-size: 16px;
  }

  .comment-register-form {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .comment-register-modal-content {
    width: 320px;
    margin: 0 10px;
  }

  .comment-register-modal-header {
    padding: 16px 18px 12px;
  }

  .comment-register-form {
    padding: 18px;
  }
}

/* 作者标签样式 */
.author-tag {
  background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  margin-left: 8px;
}

/* 打印样式 */
@media print {
  .sidebar,
  .comments-section,
  .quick-message-section,
  .footer {
    display: none;
  }

  .main-content {
    max-width: 100%;
    padding: 0;
  }

  .container {
    box-shadow: none;
  }
}

/* 悬浮按钮样式 */
.floating-buttons {
  position: fixed;
  right: 16px;
  bottom: 24px;
  z-index: 999;
  flex-direction: column;
  gap: 12px;
  display: none;
  /* 默认隐藏所有按钮 */
}

/* 微信和留言按钮只在移动端显示 */
@media (max-width: 768px) {
  .floating-buttons {
    display: flex;
    /* 移动端显示按钮组 */
  }
}

/* 回到顶部按钮样式 */
#backToTopBtn {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s ease;
}

#backToTopBtn.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* 按钮基础样式 */
.float-btn {
  width: 45px;
  height: 45px;
  border-radius: 25px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.float-btn svg {
  width: 22px;
  height: 22px;
  fill: #0066dd;
}

/* 为第一个微信按钮设置特定的绿色 */
.floating-buttons .float-btn:first-child svg {
  fill: #07c160;
}

.float-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* 移动端悬浮按钮调整 */
@media (max-width: 480px) {
  .floating-buttons {
    right: 12px;
    bottom: 20px;
    gap: 10px;
  }

  .float-btn {
    width: 42px;
    height: 42px;
    border-radius: 21px;
  }

  .float-btn svg {
    width: 20px;
    height: 20px;
  }
}

.article-content .qr-code-container {
  width: 40% !important;
}

@media (max-width: 768px) {
  .article-content .qr-code-container {
    width: 60% !important;
  }
}

@media (max-width: 480px) {
  .article-content .qr-code-container {
    width: 80% !important;
  }
}