/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-color: #f1f5f9;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-color);
  min-height: 100vh;
}

/* 侧边栏样式 */
.sidebar {
  width: 260px;
  height: 100vh;
  background: linear-gradient(180deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
  position: fixed;
  left: 0;
  top: 0;
  box-shadow: 4px 0 24px rgba(0,0,0,0.15);
  overflow-y: auto;
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), transparent);
  pointer-events: none;
}

.main-nav {
  padding-top: 20px;
}

.main-nav ul {
  list-style: none;
  padding: 20px 12px;
}

.main-nav ul::before {
  content: '🏛️ 管理中心';
  display: block;
  color: white;
  font-size: 20px;
  font-weight: 700;
  padding: 0 16px 24px;
  letter-spacing: 1px;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  text-decoration: none;
  color: rgba(255,255,255,0.7);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-md);
  margin: 4px 0;
  position: relative;
  overflow: hidden;
}

.menu-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: var(--primary-light);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.menu-item:hover {
  background: rgba(255,255,255,0.1);
  color: white;
  transform: translateX(4px);
}

.menu-item:hover::before {
  transform: scaleY(1);
}

.menu-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.4), rgba(99, 102, 241, 0.1));
  color: white;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.menu-item.active::before {
  transform: scaleY(1);
  background: white;
}

.menu-item .icon {
  margin-right: 14px;
  font-size: 20px;
  width: 24px;
  text-align: center;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.menu-item .text {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* 主内容区样式 */
.main-content {
  margin-left: 260px;
  min-height: 100vh;
  padding: 28px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--bg-color);
}

/* 全屏登录页：未登录时独占整页，登录后进入后台 */
.login-page-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 50%, #1e293b 100%);
}

.login-page-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px;
  min-height: 0;
}

.login-page-wrap .login-page-card {
  margin: auto 0;
}

.login-page-wrap .login-page-footer {
  margin-top: auto;
}

.login-page-screen.hidden {
  display: none;
}

.backend-layout {
  min-height: 100vh;
}

.backend-layout.hidden {
  display: none;
}

.login-page-card {
  width: 100%;
  max-width: 440px;
  padding: 48px 40px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.35);
}

.login-page-header {
  text-align: center;
  margin-bottom: 36px;
}

.login-page-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #4338ca 0%, #6366f1 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.login-page-header h1 {
  margin: 0 0 8px 0;
  font-size: 24px;
  font-weight: 700;
  color: #111827;
}

.login-page-header p {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
}

.login-page-desc {
  margin-top: 4px;
  font-size: 13px;
  color: #4b5563;
}

.login-page-email {
  margin-top: 12px;
  font-size: 12px;
  color: #6b7280;
}

.login-page-email a {
  color: #6366f1;
  text-decoration: none;
}

.login-page-email a:hover {
  text-decoration: underline;
}

.login-page-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.login-page-field {
  margin-bottom: 24px;
}

.login-page-field label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
}

.login-page-field input {
  width: 100%;
  padding: 16px 18px;
  font-size: 16px;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-page-field input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.login-page-field input::placeholder {
  color: #9ca3af;
}

.login-page-error {
  margin-bottom: 16px;
  padding: 12px 16px;
  font-size: 14px;
  color: #dc2626;
  background: #fef2f2;
  border-radius: 8px;
  border: 1px solid #fecaca;
}

.login-page-btn {
  width: 100%;
  padding: 16px;
  font-size: 17px;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #4338ca 0%, #6366f1 100%);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
}

.login-page-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.login-page-footer {
  width: 100%;
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  background: rgba(15, 23, 42, 0.5);
  color: rgba(255,255,255,0.7);
  flex-shrink: 0;
}

.login-page-footer a {
  color: rgba(255,255,255,0.92);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.4);
  padding-bottom: 1px;
  transition: color 0.2s;
}

.login-page-footer a:hover {
  color: #fff;
}

/* 以下为原登录弹窗样式（已弃用，保留以防兼容） */
#login-modal .login-modal-card {
  max-width: 420px;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
}

#login-modal .login-modal-header {
  position: relative;
  padding: 36px 28px 28px;
  background: linear-gradient(160deg, #1e3a5f 0%, #0f172a 100%);
  color: white;
  text-align: center;
}

#login-modal .login-modal-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(255,255,255,0.12);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  backdrop-filter: blur(8px);
}

#login-modal .login-modal-header h3 {
  margin: 0 0 8px 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: white;
}

#login-modal .login-modal-subtitle {
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

#login-modal .login-modal-header .close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  font-size: 20px;
  color: rgba(255,255,255,0.8);
  background: transparent;
  border-radius: 8px;
  transition: background 0.2s;
}

#login-modal .login-modal-header .close:hover {
  background: rgba(255,255,255,0.15);
}

#login-modal .login-modal-body {
  padding: 28px 32px 24px;
}

#login-modal .login-form-group {
  margin-bottom: 20px;
}

#login-modal .login-form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

#login-modal .login-form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#login-modal .login-form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

#login-modal .login-form-group input::placeholder {
  color: #94a3b8;
}

#login-modal .login-error-msg {
  margin-top: 12px;
  padding: 10px 14px;
  font-size: 13px;
  color: #dc2626;
  background: #fef2f2;
  border-radius: 8px;
  border: 1px solid #fecaca;
}

#login-modal .login-submit-btn {
  width: 100%;
  margin-top: 24px;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #4338ca 0%, #6366f1 100%);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
}

#login-modal .login-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

#login-modal .login-modal-icp {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
}

#login-modal .login-modal-icp a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

#login-modal .login-modal-icp span {
  margin: 0 8px;
  color: var(--border-color);
}

/* 头部样式 */
.header {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  padding: 28px 32px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.2);
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.header::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.header-top h1 {
  font-size: 26px;
  color: white;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0,0,0,0.1);
  letter-spacing: 0.5px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.15);
  padding: 12px 24px;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
}

#welcome-text {
  color: white;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 500;
}

#welcome-text::placeholder {
  color: rgba(255,255,255,0.9);
}

#logout-btn {
  min-width: 90px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
}

#logout-btn:hover {
  background: rgba(255,255,255,0.3);
}

/* 页面容器样式 */
.pages-container {
  position: relative;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 页面头部样式 */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
}

.page-header h2 {
  font-size: 22px;
  color: var(--text-primary);
  font-weight: 700;
  position: relative;
}

.page-header h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -22px;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  border-radius: 2px;
}

.search-bar {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-bar input {
  padding: 12px 18px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  width: 320px;
  transition: all 0.3s ease;
  background: var(--card-bg);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.actions {
  display: flex;
  gap: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

/* 按钮样式 */
.btn {
  padding: 11px 22px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.3px;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #4338ca);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: var(--primary-light);
  color: var(--primary-color);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.35);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.35);
}

.btn-yellow {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.btn-yellow:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}

/* 表单样式 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: all 0.3s ease;
  background: var(--card-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.form-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* 联系方式输入区域样式 */
.contact-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 10px;
}

.contact-type-section {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 15px;
}

.contact-type-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.contact-type-header label {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.btn-add {
  padding: 6px 12px;
  font-size: 12px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-add:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.contact-inputs-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-input-wrapper {
  display: flex;
  gap: 8px;
  align-items: center;
}

.contact-input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: all 0.3s ease;
}

.contact-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn-remove-contact {
  padding: 8px 12px;
  background: var(--danger-color);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-remove-contact:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.btn-remove-contact:active {
  transform: translateY(0);
}


.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  margin-top: 24px;
}

.image-library-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
  padding: 15px;
  border-top: 1px solid #e9ecef;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,123,255,0.1);
}

/* 表格样式 */
.table-container {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  line-height: 1.5;
}

.data-table th {
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  position: sticky;
  top: 0;
  z-index: 10;
}

/* 头像列样式 */
.data-table th:nth-child(2),
.data-table td:nth-child(2) {
  width: 180px;
  text-align: center;
  padding: 16px;
}

.data-table td:nth-child(2) img {
  display: block;
  margin: 0 auto;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 头像悬停效果 */
.data-table td:nth-child(2) img:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

/* 昵称和账号列样式 */
.data-table th:nth-child(3),
.data-table td:nth-child(3) {
  width: 140px;
  font-weight: 600;
  color: var(--text-primary);
}

.data-table th:nth-child(4),
.data-table td:nth-child(4) {
  width: 100px;
  color: var(--primary-color);
  font-weight: 600;
}

/* 操作列样式 */
.data-table th:nth-child(7),
.data-table td:nth-child(7) {
  width: 120px;
  text-align: center;
}

/* 等级列样式 */
.data-table th:nth-child(8),
.data-table td:nth-child(8) {
  width: 100px;
}

/* 信息管理页面样式 */
#info-management {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* 信息管理页面内容居中 */
#info-management .page-header {
  text-align: center;
  margin-bottom: 30px;
}

#info-management .page-header h2 {
  margin-bottom: 20px;
}

#info-management .search-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  align-items: center;
}

#info-management .actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

#info-management .table-container {
  margin: 0 auto;
  max-width: 100%;
}

/* 信息管理页面表格样式 */
#info-management .data-table th:nth-child(4),
#info-management .data-table td:nth-child(4) {
  width: 80px;
  white-space: nowrap;
  text-align: center;
}

#info-management .data-table th:nth-child(3),
#info-management .data-table td:nth-child(3) {
  width: 200px;
  white-space: normal;
  word-break: break-word;
}

#info-management .data-table th:nth-child(5),
#info-management .data-table td:nth-child(5) {
  width: 300px;
  white-space: normal;
  word-break: break-word;
}

#info-management .data-table th:nth-child(6),
#info-management .data-table td:nth-child(6) {
  width: 150px;
  white-space: nowrap;
  text-align: center;
}

/* 表格行悬停效果 */
.data-table tbody tr {
  transition: all 0.3s ease;
}

.data-table tbody tr:hover {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.04), rgba(99, 102, 241, 0.08));
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* 信息卡片样式 */
.info-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.info-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.info-card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.category-tag {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.category-tag.bar {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: #1d4ed8;
}

.category-tag.homestay {
  background: linear-gradient(135deg, #fae8ff, #f5d0fe);
  color: #a21caf;
}

.category-tag.park {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: #15803d;
}

.category-tag.others {
  background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
  color: #4b5563;
}

.card-body {
  font-size: 14px;
  line-height: 1.6;
}

.info-location {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.info-address {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.5;
}

.info-images {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.info-images img {
  width: 85px;
  height: 85px;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform 0.3s ease;
}

.info-images img:hover {
  transform: scale(1.08);
}

.card-actions {
  display: flex;
  gap: 12px;
}

/* 统计卡片样式 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.stat-card:nth-child(2)::before {
  background: linear-gradient(90deg, #ec4899, #f472b6);
}

.stat-card:nth-child(3)::before {
  background: linear-gradient(90deg, #10b981, #34d399);
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.stat-icon {
  font-size: 52px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-card:nth-child(2) .stat-number {
  background: linear-gradient(135deg, #ec4899, #db2777);
  -webkit-background-clip: text;
  background-clip: text;
}

.stat-card:nth-child(3) .stat-number {
  background: linear-gradient(135deg, #10b981, #059669);
  -webkit-background-clip: text;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

/* 图表部分样式 */
.chart-section {
  background: white;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chart-section h3 {
  font-size: 18px;
  color: #333;
  margin-bottom: 20px;
}

.chart-container {
  position: relative;
  height: 400px;
}

/* 模态框样式 */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--card-bg);
  margin: 0 auto;
  margin-top: 20px;
  padding: 0;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 60px rgba(0,0,0,0.15);
  width: 90%;
  max-width: 640px;
  max-height: 95vh;
  overflow: visible;
  animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.modal-body {
  max-height: calc(95vh - 60px);
  overflow-y: auto;
  overflow-x: visible;
  padding: 28px;
}

/* 确保select下拉菜单向下展开 */
.modal-body select {
  position: relative;
  z-index: 100;
}

.form-group {
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.form-row {
  position: relative;
  z-index: 5;
}

/* 修复select下拉方向 */
.form-row .form-group select {
  -webkit-appearance: menulist-button;
  appearance: menulist-button;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  color: white;
  margin: 0;
}

.close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  color: rgba(255,255,255,0.8);
  transition: all 0.3s ease;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.close:hover {
  color: white;
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

/* 分类管理样式 */
.category-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 800px;
  margin: 0 auto;
}

.category-item {
  background: white;
  border-radius: 10px;
  padding: 16px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
  border-left: 4px solid var(--primary-color);
}

.category-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.category-name {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
}

.category-name:hover {
  color: var(--primary-color);
}

.category-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  white-space: nowrap;
}

.category-actions .btn {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.category-actions .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.category-actions .btn:active {
  transform: translateY(0);
}

.category-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.count {
  font-size: 12px;
  color: #666;
  margin-left: 10px;
}

/* 图片库样式 */
.image-upload-section {
  background: white;
  border-radius: 10px;
  padding: 40px;
  text-align: center;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border: 2px dashed #ccc;
  transition: all 0.3s ease;
}

.image-upload-section:hover {
  border-color: #007bff;
  background: #f8f9ff;
}

.upload-area {
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.upload-area:hover {
  transform: scale(1.02);
}

.upload-icon {
  font-size: 64px;
  margin-bottom: 20px;
  color: #007bff;
}

.upload-text {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
  color: #333;
}

.upload-hint {
  font-size: 14px;
  color: #666;
}

.image-upload {
  display: none;
}

/* 图片列表样式 */
.image-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 24px;
  max-width: 100%;
  margin: 0 auto;
}

.image-item {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #e2e8f0;
  position: relative;
}

.image-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

.image-item:hover::before {
  opacity: 1;
}

.image-preview {
  width: 100%;
  height: 140px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-item:hover .image-preview {
  transform: scale(1.05);
}

.image-info {
  padding: 16px;
  position: relative;
  z-index: 1;
}

.image-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #1e293b;
}

.image-size {
  font-size: 12px;
  color: #64748b;
  margin-bottom: 12px;
  font-weight: 500;
}

.image-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  padding: 12px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,123,255,0.1);
}

.image-actions .btn {
  flex: 1;
  font-size: 12px;
  padding: 8px 12px;
  font-weight: 600;
}

.action-btn {
  font-size: 12px;
  padding: 6px 12px;
}

/* 详情页样式 */
.detail-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 30px;
}

.detail-header h2 {
  font-size: 24px;
  color: #333;
}

.detail-content {
  background: white;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.detail-basic-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.info-item label {
  font-weight: 500;
  color: #666;
  font-size: 14px;
}

.info-item span {
  font-size: 16px;
  color: #333;
}

.detail-images-section {
  margin-top: 30px;
}

.detail-images-section h3 {
  font-size: 18px;
  color: #333;
  margin-bottom: 20px;
}

.detail-images-container {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.detail-images-container img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 浮动按钮样式 */
.floating-terminal-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  color: white;
  border: none;
  font-size: 26px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(30, 27, 75, 0.4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
}

.floating-terminal-btn:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 12px 32px rgba(30, 27, 75, 0.5);
  background: linear-gradient(135deg, #312e81, #4338ca);
}

/* 图片预览模态框样式 */
.image-preview-modal {
  display: none;
  position: fixed;
  z-index: 3000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
  flex-direction: column;
}

.image-preview-modal.active {
  display: flex;
}

.image-preview-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  overflow: auto;
  padding: 20px;
}

.image-preview-modal img {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: zoomIn 0.3s ease;
  transition: transform 0.2s ease;
  cursor: grab;
}

.image-preview-modal img:active {
  cursor: grabbing;
}

/* 图片预览工具栏 */
.image-preview-toolbar {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.7);
  padding: 12px 20px;
  border-radius: 30px;
  backdrop-filter: blur(10px);
  z-index: 3002;
}

.preview-tool-btn {
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-size: 20px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-tool-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.preview-tool-btn:active {
  transform: scale(0.95);
}

.zoom-level {
  color: white;
  font-size: 14px;
  font-weight: 600;
  min-width: 50px;
  text-align: center;
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.image-preview-close {
  position: absolute;
  top: 30px;
  right: 40px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 3001;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.image-preview-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* 可点击头像样式 */
.clickable-avatar {
  cursor: pointer;
  transition: all 0.3s ease;
}

.clickable-avatar:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4) !important;
  border-color: var(--primary-color) !important;
}

/* 头像筛选下拉框 */
.avatar-filter-select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: white;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
}

.avatar-filter-select:hover {
  border-color: var(--primary-color);
}

.avatar-filter-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background: linear-gradient(90deg, #1e1b4b 0%, #312e81 100%);
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
  }
  
  .sidebar .text {
    display: none;
  }
  
  .main-nav ul {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    padding: 10px 0;
    overflow-x: auto;
  }

  .main-nav ul::before {
    display: none;
  }
  
  .menu-item {
    flex-direction: column;
    padding: 8px 12px;
    min-width: 60px;
    text-align: center;
  }
  
  .menu-item .icon {
    margin-right: 0;
    margin-bottom: 4px;
    font-size: 18px;
  }
  
  .main-content {
    margin-left: 0;
    margin-top: 80px;
    padding: 10px;
  }
  
  .header {
    padding: 20px 15px;
  }
  
  .header-top {
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
  }
  
  .header-top h1 {
    font-size: 20px;
  }
  
  .user-info {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 300px;
  }
  
  #welcome-text {
    width: 100%;
    text-align: center;
  }
  
  #logout-btn {
    width: 100%;
  }
  
  .page-header {
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
  }
  
  .search-bar {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }
  
  .search-bar input {
    width: 100%;
    padding: 12px;
  }
  
  .actions {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }
  
  .actions .btn {
    width: 100%;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .info-list {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .stat-card {
    padding: 20px;
  }
  
  .stat-icon {
    font-size: 36px;
  }
  
  .stat-number {
    font-size: 28px;
  }
  
  .detail-basic-info {
    grid-template-columns: 1fr;
  }
  
  .image-list {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
  }
  
  .modal-content {
    margin: 5% auto;
    width: 98%;
    max-height: 90vh;
    padding: 15px;
  }
  
  .modal-body {
    padding: 15px;
  }
  
  /* 表格在手机上的响应式处理 */
  .table-container {
    overflow-x: auto;
  }
  
  .data-table {
    min-width: 600px;
  }
  
  .data-table th,
  .data-table td {
    padding: 10px 12px;
    font-size: 13px;
  }
  
  /* 头像列在手机上的调整 */
  .data-table th:nth-child(2),
  .data-table td:nth-child(2) {
    width: 120px;
    padding: 10px;
  }
  
  .data-table td:nth-child(2) img {
    width: 60px;
    height: 60px;
  }
  
  /* 分类管理页面在手机上的调整 */
  .category-list {
    padding: 0 10px;
  }
  
  .category-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 15px;
  }
  
  .category-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  /* 图片库在手机上的调整 */
  .image-upload-grid {
    flex-direction: column;
    align-items: center;
  }
  
  .image-upload-box {
    width: 120px;
    height: 120px;
  }
  
  /* 详情页在手机上的调整 */
  .detail-header {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
  }
  
  .detail-content {
    padding: 20px;
  }
  
  .detail-images-container {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .sidebar {
    height: 60px;
  }
  
  .main-nav ul {
    padding: 5px 0;
  }
  
  .menu-item {
    padding: 5px 8px;
    min-width: 50px;
  }
  
  .menu-item .icon {
    font-size: 16px;
  }
  
  .main-content {
    margin-top: 70px;
    padding: 8px;
  }
  
  .header {
    padding: 15px 10px;
  }
  
  .header-top h1 {
    font-size: 18px;
  }
  
  .user-info {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    max-width: 250px;
  }
  
  #welcome-text {
    padding: 8px 12px;
    font-size: 13px;
  }
  
  #logout-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
  
  .page-header {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
  }
  
  .page-header h2 {
    font-size: 18px;
  }
  
  .search-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  
  .search-bar input {
    padding: 10px;
    font-size: 13px;
  }
  
  .actions {
    flex-direction: column;
    gap: 8px;
  }
  
  .actions .btn {
    width: 100%;
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .stat-card {
    padding: 15px;
  }
  
  .stat-icon {
    font-size: 32px;
  }
  
  .stat-number {
    font-size: 24px;
  }
  
  .stat-label {
    font-size: 12px;
    letter-spacing: 1px;
  }
  
  .data-table {
    min-width: 500px;
  }
  
  .data-table th,
  .data-table td {
    padding: 8px 10px;
    font-size: 12px;
  }
  
  .data-table td:nth-child(2) img {
    width: 50px;
    height: 50px;
  }
  
  .image-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }
  
  .image-item {
    font-size: 11px;
  }
  
  .modal-content {
    margin: 3% auto;
    width: 99%;
    max-height: 95vh;
    padding: 10px;
  }
  
  .modal-body {
    padding: 12px;
  }
  
  .form-group label {
    font-size: 13px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 10px 12px;
    font-size: 13px;
  }
  
  .detail-content {
    padding: 15px;
  }
  
  .detail-header h2 {
    font-size: 20px;
  }
  
  .detail-basic-info {
    gap: 15px;
  }
  
  .info-item label {
    font-size: 12px;
  }
  
  .info-item span {
    font-size: 14px;
  }
  
  .detail-images-container img {
    width: 120px;
    height: 120px;
  }
  
  /* 浮动按钮在手机上的调整 */
  .floating-terminal-btn {
    width: 50px;
    height: 50px;
    font-size: 20px;
    bottom: 20px;
    right: 20px;
  }
  
  /* 图片预览工具栏在手机上的调整 */
  .image-preview-toolbar {
    bottom: 20px;
    padding: 10px 15px;
    gap: 8px;
  }
  
  .preview-tool-btn {
    width: 35px;
    height: 35px;
    font-size: 18px;
  }
  
  .zoom-level {
    font-size: 12px;
  }
  
  .image-preview-close {
    width: 40px;
    height: 40px;
    font-size: 30px;
    top: 20px;
    right: 20px;
  }
}

/* 表单提示文本样式 */
.form-hint {
  font-size: 12px;
  color: #666;
  margin-top: 5px;
  font-style: italic;
}

/* 数据表格复选框样式 */
.data-table input[type="checkbox"] {
  transform: scale(1.2);
  accent-color: #007bff;
}

/* 图片库搜索样式 */
.image-library-search {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
}

.image-library-search input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

/* 图片库网格样式 */
.image-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 15px;
  max-height: 400px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid #eee;
  border-radius: 8px;
}

.image-library-item {
  position: relative;
  border: 2px solid #eee;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  padding-top: 25px;
}

.image-library-item:hover {
  border-color: #0ea5e9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.image-library-item.selected {
  border-color: #0ea5e9;
  border-width: 3px;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.3);
}

.image-library-item.selected::after {
  content: '✓';
  position: absolute;
  top: 5px;
  right: 5px;
  width: 24px;
  height: 24px;
  background: #0ea5e9;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.image-library-item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  display: block;
}

.image-filename {
  padding: 8px;
  font-size: 12px;
  background: white;
  border-top: 1px solid #eee;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.image-checkbox {
  position: absolute;
  top: 5px;
  left: 5px;
  transform: scale(1);
  accent-color: #0ea5e9;
  z-index: 20;
  cursor: pointer;
  width: 18px;
  height: 18px;
  margin: 0;
}

/* 图片库操作样式 */
.image-library-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #eee;
}

/* 图片预览区域样式 */
.image-preview-area {
  display: flex;
  gap: 15px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.preview-item {
  position: relative;
  width: 100px;
  height: 100px;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-item .remove-image {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  border: 1px solid #ddd;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-item .remove-image:hover {
  background: #ff4757;
  color: white;
  border-color: #ff4757;
}

.image-preview-item {
  position: relative;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  width: 120px;
  height: 120px;
}

.image-preview-item:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.remove-image {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  border: 1px solid #ddd;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  color: #666;
}

.remove-image:hover {
  background: #ff4757;
  color: white;
  border-color: #ff4757;
}

/* 图片库引用样式 */
.image-library-references {
  margin-top: 20px;
  padding: 15px;
  border: 1px solid #e3f2fd;
  border-radius: 8px;
  background: #f8f9ff;
}

.image-library-references h4 {
  font-size: 14px;
  font-weight: 600;
  color: #1976d2;
  margin-bottom: 12px;
}

.image-reference-list {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.image-reference-list .image-preview-item {
  width: 100px;
  height: 100px;
}

.image-reference-list .image-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 4px 8px;
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 评分输入组样式 */
.rating-input-group {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
}

.rating-input-group input[type="number"] {
  flex: 1;
  min-width: 120px;
}

.rating-option {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.rating-option input[type="radio"] {
  accent-color: #007bff;
  margin: 0;
}

/* 图片上传框样式 */
.image-upload-box {
  position: relative;
  width: 80px;
  height: 80px;
  border: 2px dashed #ccc;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  padding: 0;
  margin: 0;
}

.image-upload-box:hover {
  border-color: #007bff;
  background: #f8f9fa;
}

.image-upload-box.has-image {
  border-style: solid;
}

.image-upload-box .upload-placeholder {
  font-size: 32px;
  color: #ccc;
  margin-bottom: 8px;
}

.image-upload-box.has-image .upload-placeholder {
  display: none;
}

.image-upload-box input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 70%;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}

.image-upload-box .image-upload-options {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  background: rgba(255, 255, 255, 0.9);
  padding: 2px;
  gap: 2px;
  box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
  z-index: 2;
}

.image-upload-box .image-upload-option-btn {
  flex: 1;
  padding: 3px 6px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
  font-size: 10px;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.image-upload-box .image-upload-option-btn:hover {
  border-color: #007bff;
}

.image-upload-box .image-upload-option-btn.active {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: white;
  border-color: #0ea5e9;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.4);
}

/* 本地上传按钮蓝色样式 */
.image-upload-box .image-upload-option-btn[data-option="upload"] {
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  color: #0369a1;
  border: 1px solid #7dd3fc;
}

.image-upload-box .image-upload-option-btn[data-option="upload"]:hover {
  background: linear-gradient(135deg, #bae6fd, #7dd3fc);
  border-color: #0ea5e9;
}

.image-upload-box .image-upload-option-btn[data-option="upload"].active {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: white;
  border-color: #0ea5e9;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.4);
}

/* 图片库选择按钮样式 */
.image-upload-box .image-upload-option-btn.btn-yellow {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #b45309;
  border: 1px solid #fcd34d;
}

.image-upload-box .image-upload-option-btn.btn-yellow:hover {
  background: linear-gradient(135deg, #fde68a, #fcd34d);
  border-color: #f59e0b;
}

.image-upload-box .image-upload-option-btn.btn-yellow.active {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border-color: #f59e0b;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* 图片上传网格样式 */
.image-upload-grid {
  display: flex;
  gap: 15px;
  margin: 15px 0;
}

.image-upload-grid .image-upload-box {
  flex: 1;
  min-width: 120px;
}

/* 图片库上传空白图框样式 */
.image-upload-box-empty {
  width: 150px;
  height: 150px;
  border: 2px dashed #0ea5e9;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
  transition: all 0.3s ease;
  margin-right: 15px;
  margin-bottom: 15px;
}

.image-upload-box-empty:hover {
  border-color: #0284c7;
  background: linear-gradient(135deg, #bae6fd, #e0f2fe);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.image-upload-box-empty:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.2);
}

.upload-placeholder-icon {
  font-size: 48px;
  font-weight: 300;
  color: #0ea5e9;
  line-height: 1;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.image-upload-box-empty:hover .upload-placeholder-icon {
  transform: scale(1.1);
  color: #0284c7;
}

.upload-placeholder-text {
  font-size: 14px;
  font-weight: 500;
  color: #0369a1;
}

/* 关于我们设置页面样式 */
.about-settings-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.about-setting-item {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.about-setting-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.about-setting-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-color);
}

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

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

.about-setting-item .form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: all 0.3s ease;
  background: var(--card-bg);
}

.about-setting-item .form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.about-setting-item textarea.form-control {
  min-height: 200px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}

.about-setting-item .btn {
  margin-top: 12px;
}

/* 抽奖活动管理页面样式 */
.lottery-activities-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.lottery-activity-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.lottery-activity-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.lottery-activity-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.lottery-activity-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.lottery-activity-status {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.lottery-activity-status.active {
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  color: #15803d;
}

.lottery-activity-status.inactive {
  background: linear-gradient(135deg, #fef2f2, #fecaca);
  color: #b91c1c;
}

.lottery-activity-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
  border-radius: var(--radius-md);
}

.lottery-activity-info-item {
  display: flex;
  flex-direction: column;
}

.lottery-activity-info-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.lottery-activity-info-value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.lottery-activity-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* 奖品设置样式 */
.prize-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.prize-item:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.prize-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.prize-title {
  font-weight: 600;
  color: var(--text-primary);
}

.remove-prize-btn {
  background: none;
  border: none;
  color: var(--danger-color);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.remove-prize-btn:hover {
  background: rgba(239, 68, 68, 0.1);
}

.prize-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.prize-form-group {
  display: flex;
  flex-direction: column;
}

.prize-form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.prize-form-group input,
.prize-form-group select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.prize-form-group input:focus,
.prize-form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .about-settings-container {
    padding: 10px;
    gap: 20px;
  }
  
  .about-setting-item {
    padding: 20px;
  }
  
  .about-setting-item h3 {
    font-size: 16px;
    margin-bottom: 20px;
  }
  
  .about-setting-item textarea.form-control {
    min-height: 150px;
  }
  
  .lottery-activities-list {
    padding: 10px;
  }
  
  .lottery-activity-card {
    padding: 20px;
  }
  
  .lottery-activity-info {
    grid-template-columns: 1fr;
  }
  
  .lottery-activity-actions {
    flex-direction: column;
  }
  
  .prize-form-row {
    grid-template-columns: 1fr;
  }
  
  .image-upload-grid {
    flex-direction: column;
    align-items: center;
  }
  
  .image-upload-grid .image-upload-box {
    width: 200px;
    height: 200px;
  }
  
  .image-upload-box-empty {
    width: 120px;
    height: 120px;
  }
  
  .upload-placeholder-icon {
    font-size: 36px;
  }
  
  .upload-placeholder-text {
    font-size: 12px;
  }
}

/* ========== 投稿审核 ========== */
#submission-review .page-header {
  flex-wrap: wrap;
  gap: 12px;
}

.submission-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.stat-badge {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

.stat-badge.pending { background: #fef3c7; color: #b45309; }
.stat-badge.approved { background: #d1fae5; color: #047857; }
.stat-badge.rejected { background: #fee2e2; color: #b91c1c; }

.submission-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.submission-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.submission-card-images {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.submission-thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.submission-card-images .no-img {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: #94a3b8;
}

.submission-card-info {
  flex: 1;
  min-width: 0;
}

.submission-store-name {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 4px;
}

.submission-address {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.submission-meta {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 4px;
}

.submission-status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.submission-status.pending { background: #fef3c7; color: #b45309; }
.submission-status.approved { background: #d1fae5; color: #047857; }
.submission-status.rejected { background: #fee2e2; color: #b91c1c; }

.submission-card-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.submission-detail-content .detail-row {
  margin-bottom: 10px;
}

.submission-detail-content .detail-row label {
  display: inline-block;
  width: 90px;
  color: var(--text-secondary);
}

.submission-detail-images {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.submission-detail-img {
  max-width: 120px;
  max-height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.submission-review-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.empty-msg {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px;
}

/* 客服管理 */
.customer-service-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.cs-tab {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
}
.cs-tab:hover { background: var(--bg-color); }
.cs-tab.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}
.cs-panel { display: none; }
.cs-panel.active { display: block; }
.cs-chat-messages { min-height: 120px; }