/* ========================================
   朱雀汽车服务 - 企业级专业样式
   2024 现代化设计系统
   ======================================== */

/* ========== 动画系统 ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--border-color);
  animation: fadeInDown 0.5s ease-out;
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
  font-size: var(--font-size-sm);
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  color: var(--neutral-gray);
}

.breadcrumb-list li::after {
  content: '›';
  margin: 0 var(--spacing-sm);
  color: var(--neutral-gray);
  font-size: var(--font-size-lg);
}

.breadcrumb-list li:last-child::after {
  content: '';
}

.breadcrumb-list a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.breadcrumb-list a:hover {
  color: var(--accent-color);
}

.breadcrumb-list li:last-child {
  color: var(--neutral-dark);
  font-weight: 600;
}

/* ========== 页面头部 ========== */
.page-header {
  text-align: center;
  padding: var(--spacing-5xl) 0 var(--spacing-4xl);
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.03) 0%, rgba(255, 140, 66, 0.03) 100%);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(30,58,95,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
  opacity: 0.5;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.page-header h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
  border-radius: var(--radius-full);
}

.page-header-subtitle {
  font-size: var(--font-size-lg);
  color: var(--neutral-gray);
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
  line-height: var(--line-height-relaxed);
}

/* ========== 内容卡片 ========== */
.content-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-3xl);
  transition: all var(--transition-base);
  animation: fadeInUp 0.7s ease-out;
  border: 1px solid rgba(30, 58, 95, 0.08);
}

.content-card:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-5px);
}

.content-card-header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--bg-secondary);
  position: relative;
}

.content-card-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
}

.content-card-title {
  font-size: var(--font-size-3xl);
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.content-card-title-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.content-card-description {
  font-size: var(--font-size-base);
  color: var(--neutral-gray);
  line-height: var(--line-height-relaxed);
}

/* ========== 特性网格 ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-3xl) 0;
}

.feature-box {
  background: var(--bg-secondary);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  animation: fadeInUp 0.8s ease-out;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 140, 66, 0.1), transparent);
  transition: left 0.5s;
}

.feature-box:hover::before {
  left: 100%;
}

.feature-box:hover {
  transform: translateY(-10px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-xl);
  background: var(--bg-primary);
}

.feature-box-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-xl);
  font-size: 36px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.feature-box:hover .feature-box-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
}

.feature-box-title {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.feature-box-text {
  color: var(--neutral-gray);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ========== 服务流程 ========== */
.process-section {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  padding: var(--spacing-5xl) 0;
  margin: var(--spacing-5xl) 0;
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255, 140, 66, 0.05) 0%, transparent 50%);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-3xl);
  position: relative;
  z-index: 1;
}

.process-step {
  text-align: center;
  position: relative;
  animation: fadeInUp 1s ease-out;
}

.process-step-number {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  color: var(--neutral-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-xl);
  position: relative;
  z-index: 1;
  box-shadow: 0 10px 30px rgba(255, 140, 66, 0.3);
  transition: all var(--transition-base);
}

.process-step:hover .process-step-number {
  transform: scale(1.2);
  box-shadow: 0 15px 40px rgba(255, 140, 66, 0.5);
}

.process-step-title {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.process-step-description {
  color: var(--neutral-gray);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* 流程连接线 */
@media (min-width: 768px) {
  .process-step::after {
    content: '';
    position: absolute;
    top: 35px;
    left: 50%;
    width: calc(100% + var(--spacing-3xl));
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    z-index: 0;
  }
  
  .process-step:last-child::after {
    display: none;
  }
}

/* ========== 图片画廊 ========== */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-3xl) 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  animation: scaleIn 0.6s ease-out;
  aspect-ratio: 4/3;
}

.gallery-item:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-8px);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(30, 58, 95, 0.9), transparent);
  color: white;
  padding: var(--spacing-xl);
  transform: translateY(100%);
  transition: all var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
  transform: translateY(0);
}

.gallery-item-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.gallery-item-description {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

/* ========== 统计数据展示 ========== */
.stats-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--spacing-5xl) 0;
  margin: var(--spacing-5xl) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 140, 66, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-3xl);
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  animation: fadeInUp 1.2s ease-out;
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--accent-light);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  font-weight: 500;
}

/* ========== 客户评价 ========== */
.testimonials-section {
  padding: var(--spacing-5xl) 0;
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.testimonial-card {
  background: var(--bg-primary);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all var(--transition-base);
  animation: fadeInUp 0.9s ease-out;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-xl);
  left: var(--spacing-xl);
  font-size: 80px;
  color: var(--accent-color);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-5px);
}

.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--neutral-dark);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.testimonial-position {
  font-size: var(--font-size-sm);
  color: var(--neutral-gray);
}

.testimonial-rating {
  margin-top: var(--spacing-sm);
  color: var(--accent-color);
}

/* ========== 价格表 ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin: var(--spacing-3xl) 0;
}

.pricing-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.pricing-card:hover::before {
  transform: scaleX(1);
}

.pricing-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-2xl);
}

.pricing-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  color: white;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-title {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.pricing-price {
  font-size: var(--font-size-4xl);
  color: var(--accent-color);
  font-weight: 700;
  margin: var(--spacing-xl) 0;
}

.pricing-price-unit {
  font-size: var(--font-size-base);
  color: var(--neutral-gray);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin: var(--spacing-2xl) 0;
}

.pricing-features li {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--bg-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--neutral-dark);
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

/* ========== FAQ折叠面板 ========== */
.faq-section {
  margin: var(--spacing-5xl) 0;
}

.faq-item {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: var(--spacing-xl) var(--spacing-2xl);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-primary);
  transition: all var(--transition-base);
  user-select: none;
}

.faq-question:hover {
  background: var(--bg-secondary);
}

.faq-question-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--primary-color);
  flex: 1;
}

.faq-toggle {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  background: var(--accent-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--primary-color);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--spacing-2xl) var(--spacing-xl);
  color: var(--neutral-gray);
  line-height: var(--line-height-relaxed);
}

/* ========== 联系表单 ========== */
.contact-form-section {
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.03) 0%, rgba(255, 140, 66, 0.03) 100%);
  padding: var(--spacing-5xl);
  border-radius: var(--radius-2xl);
  margin: var(--spacing-5xl) 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.form-group {
  position: relative;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  background: var(--bg-primary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ========== 标签系统 ========== */
.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.tag {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  color: var(--neutral-dark);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.tag:hover {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-dark);
  transform: translateY(-2px);
}

/* ========== 响应式优化 ========== */
@media (max-width: 768px) {
  .page-header h1 {
    font-size: var(--font-size-3xl);
  }
  
  .content-card {
    padding: var(--spacing-2xl);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .content-card-title {
    flex-direction: column;
    text-align: center;
  }
  
  .stat-number {
    font-size: var(--font-size-4xl);
  }
}

/* ========== 打印样式 ========== */
@media print {
  .breadcrumb,
  .btn,
  .cta-section {
    display: none;
  }
  
  .content-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}