/* 租车功能专用样式 - 参考神州租车、一嗨租车设计 */

:root {
  --car-primary: #ff6b00;
  --car-secondary: #0084ff;
  --car-success: #00c853;
  --car-warning: #ffab00;
  --car-danger: #ff3d00;
}

/* 车辆列表页面样式 */
.car-page-header {
  background: linear-gradient(135deg, var(--car-primary) 0%, #ff9100 100%);
  color: white;
  padding: 60px 0 40px;
  text-align: center;
  margin-bottom: 40px;
}

.car-page-header h1 {
  font-size: 36px;
  margin-bottom: 10px;
  font-weight: 700;
}

.car-page-header p {
  font-size: 16px;
  opacity: 0.9;
}

/* 车辆筛选栏 */
.car-filter-bar {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

.filter-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.filter-group select,
.filter-group input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s;
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--car-primary);
  outline: none;
}

.filter-actions {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.btn-filter {
  padding: 12px 30px;
  background: var(--car-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-filter:hover {
  background: #e65c00;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

.btn-reset {
  padding: 12px 30px;
  background: #f8f9fa;
  color: #333;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-reset:hover {
  background: white;
  border-color: var(--car-primary);
  color: var(--car-primary);
}

/* 车辆卡片网格 */
.cars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.car-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
}

.car-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.car-card-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--car-primary);
  color: white;
  padding: 6px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  z-index: 10;
}

.car-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #f5f5f5;
}

.car-card-content {
  padding: 20px;
}

.car-card-category {
  color: #666;
  font-size: 13px;
  margin-bottom: 8px;
}

.car-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #333;
}

.car-specs {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.car-spec {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: #666;
}

.car-spec-icon {
  font-size: 16px;
}

.car-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.car-feature-tag {
  background: #f0f2f5;
  color: #666;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
}

.car-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid #e0e0e0;
}

.car-price {
  text-align: left;
}

.car-price-amount {
  font-size: 28px;
  font-weight: 700;
  color: var(--car-primary);
}

.car-price-amount span {
  font-size: 14px;
  font-weight: 400;
  color: #666;
}

.car-card-action {
  text-align: right;
}

.btn-book-car {
  background: var(--car-primary);
  color: white;
  padding: 10px 25px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s;
}

.btn-book-car:hover {
  background: #e65c00;
  transform: scale(1.05);
}

/* ============ 预订模态框样式 ============ */

.booking-modal {
  max-height: 90vh;
  overflow-y: auto;
}

.booking-modal .modal-content {
  background: white;
  border-radius: 16px;
  padding: 0;
}

.booking-modal h2 {
  background: linear-gradient(135deg, var(--car-primary), #ff9100);
  color: white;
  margin: 0;
  padding: 20px 30px;
  font-size: 24px;
  font-weight: 700;
  border-radius: 16px 16px 0 0;
}

.booking-form-section {
  margin-top: 20px;
}

.booking-step {
  margin-bottom: 30px;
  padding: 25px;
  background: #f8f9fa;
  border-radius: 12px;
  border: 2px solid #e9ecef;
}

.booking-step.active {
  background: #fff3cd;
  border-color: #ffecb5;
}

.step-title {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 18px;
  font-weight: 700;
  color: #333;
  margin-bottom: 20px;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--car-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 日期选择器 */
.date-picker-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 15px;
}

.date-picker-inline {
  display: flex;
  flex-direction: column;
}

.date-picker-inline label {
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.date-picker-inline input[type="date"] {
  padding: 12px 15px;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  font-size: 14px;
  width: 100%;
  transition: all 0.3s;
  font-family: inherit;
}

.date-picker-inline input[type="date"]:focus {
  border-color: var(--car-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

/* 地点选择 */
.location-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 15px;
}

.location-select-inline {
  display: flex;
  flex-direction: column;
}

.location-select-inline label {
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.location-select-inline select {
  padding: 12px 15px;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  font-size: 14px;
  width: 100%;
  transition: all 0.3s;
  font-family: inherit;
  background-color: white;
  cursor: pointer;
}

.location-select-inline select:focus {
  border-color: var(--car-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.location-toggle {
  margin-top: 15px;
  padding: 15px;
  background: white;
  border-radius: 8px;
  border: 2px solid #e9ecef;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #333;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--car-primary);
}

/* 客户信息表单 */
.customer-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 15px;
}

.booking-form-section .form-group {
  margin-bottom: 15px;
}

.booking-form-section .form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.booking-form-section .form-group input,
.booking-form-section .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s;
  font-family: inherit;
}

.booking-form-section .form-group input:focus,
.booking-form-section .form-group textarea:focus {
  border-color: var(--car-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.booking-form-section .form-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* 预订摘要 */
.booking-summary-modal {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 25px;
  margin-top: 20px;
}

.booking-summary-modal h4 {
  margin: 0 0 15px 0;
  color: #333;
  font-size: 16px;
  font-weight: 700;
}

.summary-car-info-modal {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: white;
  border-radius: 10px;
  margin-bottom: 20px;
}

.summary-car-details-modal h4 {
  margin: 0 0 5px 0;
  font-size: 16px;
  color: #333;
}

.summary-car-details-modal p {
  margin: 0;
  color: #666;
  font-size: 14px;
}

.summary-divider {
  height: 1px;
  background: #dee2e6;
  margin: 20px 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  font-size: 15px;
  color: #333;
}

.summary-row span:first-child {
  color: #666;
}

.summary-row .highlight {
  color: var(--car-primary);
  font-weight: 700;
}

.summary-row.total {
  background: linear-gradient(135deg, var(--car-primary), #ff9100);
  color: white;
  padding: 18px 25px;
  border-radius: 8px;
  margin-top: 25px;
  font-size: 18px;
}

.summary-row.total span:first-child {
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
}

.summary-row.total .amount {
  color: white;
  font-size: 28px;
  font-weight: 700;
}

.booking-tips {
  background: #fff3cd;
  border-left: 4px solid var(--car-primary);
  padding: 20px;
  border-radius: 8px;
  margin-top: 25px;
}

.booking-tips p {
  margin: 0 0 10px 0;
  color: #856404;
  font-size: 15px;
  font-weight: 600;
}

.booking-tips ul {
  margin: 0;
  padding-left: 20px;
}

.booking-tips li {
  color: #666;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.booking-actions-modal {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e9ecef;
}

.booking-actions-modal .btn-primary {
  flex: 2;
  padding: 15px 30px;
  background: var(--car-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.booking-actions-modal .btn-primary:hover {
  background: #e65c00;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

.booking-actions-modal .btn-secondary {
  flex: 1;
  padding: 15px 30px;
  background: white;
  color: #666;
  border: 2px solid #dee2e6;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.booking-actions-modal .btn-secondary:hover {
  background: #f8f9fa;
  border-color: var(--car-primary);
  color: var(--car-primary);
}

.booking-summary-mini {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--car-primary);
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

/* ============ 车辆详情页样式 ============ */

.car-detail-header {
  background: linear-gradient(135deg, var(--car-primary), #ff9100);
  color: white;
  padding: 30px 40px;
  margin-bottom: 30px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.car-detail-title {
  font-size: 32px;
  font-weight: 700;
}

.car-detail-category {
  background: rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
}

.car-detail-images {
  margin-bottom: 30px;
}

.car-main-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 12px;
}

.car-thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px;
  margin-top: 15px;
}

.car-thumbnail {
  width: 100%;
  height: 75px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.3s;
  border: 3px solid transparent;
}

.car-thumbnail:hover,
.car-thumbnail.active {
  opacity: 1;
  border-color: var(--car-primary);
  transform: scale(1.05);
}

.car-detail-section {
  background: white;
  padding: 30px;
  border-radius: 12px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--car-primary);
}

.car-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
}

.spec-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.spec-label {
  font-size: 14px;
  color: #666;
  min-width: 80px;
}

.spec-value {
  font-size: 16px;
  font-weight: 600;
  color: #333;
}

.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  background: #f0f2f5;
  border-radius: 6px;
  transition: all 0.3s;
}

.feature-item:hover {
  background: #e7f3ff;
  transform: translateX(5px);
}

.feature-item .icon {
  color: #00c853;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-item .text {
  color: #333;
  font-size: 15px;
}

.book-btn {
  background: linear-gradient(135deg, var(--car-primary), #ff9100);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 700;
  padding: 18px 60px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.book-btn:hover {
  background: linear-gradient(135deg, #e65c00, #ff8c00);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
  /* 页面头部紧凑版 - 升级渐变和阴影 */
  .car-page-header {
    padding: 25px 0 20px;
    margin-bottom: 0;
    margin-top: -10px;
    background: linear-gradient(135deg, #ff6b00 0%, #ff9100 50%, #ffb74d 100%);
    position: relative;
    overflow: visible;
  }

  .car-page-header .container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .car-page-header::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255,107,0,0.3), transparent);
    pointer-events: none;
  }

  .car-page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 8s ease-in-out infinite;
  }

  @keyframes shimmer {
    0%, 100% { transform: translateX(-20%); }
    50% { transform: translateX(20%); }
  }

  .car-page-header h1 {
    font-size: 26px;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    letter-spacing: 1px;
    font-weight: 800;
  }

  .car-page-header p {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    opacity: 0.95;
    font-weight: 500;
  }

  /* 统计信息紧凑布局 - 增强视觉效果 - 4个标签同一行 */
  .hero-stats {
    gap: 10px !important;
    margin-top: 12px !important;
    justify-content: center !important;
    position: relative;
    z-index: 1;
    margin-bottom: 35px !important;
    flex-wrap: nowrap !important;
  }

  .hero-stats span {
    font-size: 12px !important;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.28);
    border-radius: 18px;
    backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255,255,255,0.4);
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 0.3px;
    flex: 0 0 calc(25% - 7.5px);
    min-width: calc(25% - 7.5px);
    max-width: calc(25% - 7.5px);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero-stats span:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-color: rgba(255,255,255,0.6);
  }

  .cars-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 0 10px;
  }

  /* 车辆卡片美化 */
  .car-card {
    border-radius: 18px;
    box-shadow: 0 6px 25px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.06);
  }

  .car-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.18);
    border-color: rgba(255,107,0,0.3);
  }

.car-card-image {
  height: 200px;
  background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.car-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.car-card-image::before {
  content: '🚗';
  position: absolute;
  font-size: 48px;
  opacity: 0.3;
  z-index: 1;
}

  .car-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
    pointer-events: none;
  }

  .car-card-image img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .car-card:hover .car-card-image img {
    transform: scale(1.1);
  }

  .car-card-content {
    padding: 16px;
    background: linear-gradient(to bottom, #ffffff, #fafbfc);
  }

  .car-card-title {
    font-size: 18px;
    font-weight: 800;
    color: #333;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
  }

  .car-specs {
    margin-bottom: 12px;
  }

  .car-spec {
    font-size: 12px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #f8f9fa, #f0f1f2);
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid rgba(0,0,0,0.05);
  }

  .car-card-features .car-feature-tag {
    font-size: 11px;
    padding: 5px 12px;
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    color: #ff6b00;
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid rgba(255,107,0,0.2);
  }

  .car-card-footer {
    padding-top: 15px;
    border-top: 2px solid #f0f0f0;
  }

  .car-price-amount {
    font-size: 28px;
    color: #ff6b00;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(255,107,0,0.2);
  }

  .btn-book-car {
    background: linear-gradient(135deg, #ff6b00, #ff9100);
    color: white;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 3px 12px rgba(255, 107, 0, 0.25);
    letter-spacing: 0.5px;
  }

  .btn-book-car:hover {
    background: linear-gradient(135deg, #e65c00, #ff8c00);
    transform: scale(1.08);
    box-shadow: 0 5px 20px rgba(255, 107, 0, 0.4);
  }

  /* 减小筛选栏padding - 升级设计,与头部融为一体 */
  .car-filter-bar {
    padding: 20px 12px 15px !important;
    margin: -35px 0 15px !important;
    border-radius: 20px 20px 0 0 !important;
    border-bottom: none !important;
    position: relative;
    z-index: 10;
  }

  .car-filter-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #ff6b00, #ff9100, #ffb74d, #ff9100, #ff6b00);
    background-size: 200% 100%;
    animation: gradientMove 3s ease infinite;
  }

  @keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .filter-row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }

  /* 三个筛选下拉框放在同一行 - 前3个子元素,使用!important强制覆盖 */
  .filter-row > .filter-group:nth-child(1),
  .filter-row > .filter-group:nth-child(2),
  .filter-row > .filter-group:nth-child(3) {
    flex: 0 0 calc(33.333% - 4px) !important;
    min-width: calc(33.333% - 4px) !important;
    max-width: calc(33.333% - 4px) !important;
    width: calc(33.333% - 4px) !important;
    box-sizing: border-box !important;
  }

  /* 搜索框独占一行 */
  .filter-row > .filter-group:nth-child(4) {
    flex: 0 0 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 按钮独占一行 */
  .filter-row > .filter-actions {
    flex: 0 0 100%;
    min-width: 100%;
    max-width: 100%;
    margin-top: 5px;
  }

  .filter-group label {
    display: none;
  }

  .filter-group select,
  .filter-group input {
    padding: 10px 10px;
    font-size: 13px;
    height: 42px;
    width: 100%;
    box-sizing: border-box;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    background: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #333;
    font-weight: 500;
  }

  .filter-group select:focus,
  .filter-group input:focus {
    border-color: #ff6b00;
    box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.15);
    outline: none;
    transform: translateY(-1px);
  }

  .filter-group select:hover,
  .filter-group input:hover {
    border-color: #ff9100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }

  /* 下拉框箭头美化 */
  .filter-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%23ff6b00' d='M7 10L2 5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
    cursor: pointer;
  }

  .btn-filter,
  .btn-reset {
    flex: 1;
    padding: 12px 15px;
    font-size: 14px;
    height: 44px;
    border-radius: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  }

  .btn-filter {
    background: linear-gradient(135deg, #ff6b00, #ff9100);
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
  }

  .btn-filter::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
  }

  .btn-filter:hover::before {
    left: 100%;
  }

  .btn-filter:hover {
    background: linear-gradient(135deg, #e65c00, #ff8c00);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
  }

  .btn-filter:active {
    transform: translateY(-1px) scale(1);
  }

  .btn-reset {
    background: white;
    color: #666;
    border: 2px solid #e0e0e0;
  }

  .btn-reset:hover {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-color: #ff6b00;
    color: #ff6b00;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.2);
  }

  .date-picker-group {
    grid-template-columns: 1fr;
  }

  .location-pair {
    grid-template-columns: 1fr;
  }

  .customer-form-grid {
    grid-template-columns: 1fr;
  }

  .car-detail-header {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }

  .car-main-image {
    height: 250px;
  }

  .car-specs-grid {
    grid-template-columns: 1fr;
  }

  .features-list {
    grid-template-columns: 1fr;
  }

  .book-btn {
    width: 100%;
    min-width: auto;
  }

  .booking-modal {
    max-height: 95vh;
    padding: 10px;
  }

  .booking-modal .modal-content {
    border-radius: 12px;
  }
}