/* tesla-style.css - 特斯拉风格首页样式 */

/* ========== Hero Section - 特斯拉风格 ========== */
.tesla-hero {
  background: url('../amazing_photos/background_section_rain_02.png') no-repeat center center/cover;
  background-color: var(--color-bg-dark);
  height: 100vh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tesla-hero .hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.tesla-hero .hero-content-tesla {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 40px;
}

.tesla-hero h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 20px 0;
  letter-spacing: -2px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.tesla-hero .hero-subtitle-tesla {
  font-size: 1.25rem;
  font-weight: 400;
  margin: 0 0 40px 0;
  opacity: 0.95;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}

.tesla-hero .hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== 特斯拉风格按钮 ========== */
.btn-primary {
  display: inline-block;
  background-color: #3E6AE1;
  color: white;
  padding: 12px 40px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: #3457B8;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 12px 40px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 4px;
  border: 2px solid white;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ========== 主内容区域 ========== */
.tesla-main {
  background-color: white;
}

/* ========== Section通用样式 ========== */
.tesla-section {
  padding: 100px 0;
  max-width: 100%;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-text-primary);
  letter-spacing: -1px;
}

/* ========== 左右分栏布局 ========== */
.tesla-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* 产品Section特殊样式 - 带背景图 */
#product.tesla-split {
  background: url('../amazing_photos/background_section_product.png') no-repeat center center/cover;
  background-attachment: fixed;
  position: relative;
  padding: 100px var(--container-padding);
  margin: 0;
  max-width: 100%;
}

#product.tesla-split::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  z-index: 0;
}

#product.tesla-split > * {
  position: relative;
  z-index: 1;
}

#product.tesla-split .tesla-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

#product.tesla-split .tesla-image {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.tesla-split.reverse {
  grid-template-columns: 1fr 1fr;
}

.tesla-split.reverse .tesla-image {
  order: -1;
}

.tesla-content {
  padding: 20px;
}

.tesla-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 24px 0;
  color: var(--color-text-primary);
  letter-spacing: -1px;
}

.tesla-content p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0 0 32px 0;
}

.tesla-image {
  position: relative;
}

.tesla-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
  display: block;
}

/* 产品section图片特殊处理 */
#product.tesla-split .tesla-image {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

#product.tesla-split .tesla-image img {
  background-color: transparent;
  padding: 0;
  max-width: 150%;
  width: 150%;
  transform: scale(1.5);
  object-fit: contain;
  margin: -10%;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
}

.feature-list li {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #3E6AE1;
  font-weight: 600;
  font-size: 1.2rem;
}

.tesla-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.tesla-buttons .btn-primary {
  background-color: var(--color-text-primary);
  color: white;
}

.tesla-buttons .btn-primary:hover {
  background-color: var(--color-text-secondary);
}

.tesla-buttons .btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-text-primary);
}

.tesla-buttons .btn-secondary:hover {
  background-color: var(--color-text-primary);
  color: white;
}

/* ========== 卡片网格布局 ========== */
.tesla-cards {
  background-color: var(--color-bg-secondary);
  padding: 100px var(--container-padding);
}

.tesla-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.tesla-card {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tesla-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.tesla-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--color-text-primary);
}

.tesla-card p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========== 团队卡片特殊样式 ========== */
.team-grid-tesla {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.team-card-tesla {
  text-align: center;
}

.team-card-tesla img {
  width: 100%;
  max-width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 24px;
  background-color: var(--color-bg-tertiary);
}

.team-card-tesla h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.team-card-tesla p {
  font-size: 0.95rem;
}

/* ========== 案例Section ========== */
.case-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-item {
  padding: 20px;
  background-color: var(--color-bg-secondary);
  border-radius: 8px;
  border-left: 4px solid #3E6AE1;
}

.case-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text-primary);
}

/* ========== 合作伙伴Section - Google Contributor风格 ========== */
.tesla-partners {
  text-align: center;
  padding: 100px var(--container-padding);
  background-color: var(--color-bg-primary);
}

.tesla-partners .section-subtitle {
  max-width: 700px;
  margin: 0 auto 60px;
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  min-height: 180px;
}

.partner-card:hover {
  border-color: var(--color-border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.partner-card img {
  max-width: 100%;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin-bottom: 16px;
  filter: grayscale(20%);
  transition: filter var(--transition-normal);
}

.partner-card:hover img {
  filter: grayscale(0%);
}

.partner-name {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-top: 8px;
  text-align: center;
}

/* 响应式优化 */
@media (max-width: 1024px) {
  .partners-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
  }
  
  .partner-card {
    padding: 24px 20px;
    min-height: 160px;
  }
  
  .partner-card img {
    max-height: 70px;
  }
}

@media (max-width: 768px) {
  .tesla-partners {
    padding: 80px var(--container-padding);
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .partner-card {
    padding: 20px 16px;
    min-height: 140px;
  }
  
  .partner-card img {
    max-height: 60px;
  }
  
  .partner-name {
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  .partners-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .partner-card {
    min-height: 120px;
  }
}

/* ========== 联系Section ========== */
.tesla-contact {
  text-align: center;
  padding: 100px var(--container-padding);
}

.contact-info-tesla {
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: left;
}

.contact-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 1rem;
  line-height: 1.6;
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item strong {
  color: var(--color-text-primary);
  font-weight: 600;
  display: inline-block;
  min-width: 80px;
}

.contact-item span {
  color: var(--color-text-secondary);
}

.contact-qrcode {
  margin: 40px auto;
  text-align: center;
  max-width: 200px;
}

.contact-qrcode img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: 12px;
}

.contact-qrcode p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
  .tesla-hero h1 {
    font-size: 3rem;
  }
  
  .tesla-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .tesla-split.reverse .tesla-image {
    order: 0;
  }
  
  .tesla-card-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .tesla-hero {
    height: 80vh;
    min-height: 500px;
  }
  
  .tesla-hero h1 {
    font-size: 2.5rem;
  }
  
  .tesla-hero .hero-subtitle-tesla {
    font-size: 1.125rem;
  }
  
  .tesla-hero .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .tesla-hero .hero-buttons .btn-primary,
  .tesla-hero .hero-buttons .btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  .tesla-section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
    margin-bottom: 40px;
  }
  
  .tesla-content h2 {
    font-size: 2rem;
  }
  
  .tesla-cards {
    padding: 60px 24px;
  }
  
  .tesla-card-grid {
    grid-template-columns: 1fr;
  }
  
  .tesla-buttons {
    flex-direction: column;
  }
  
  .tesla-buttons .btn-primary,
  .tesla-buttons .btn-secondary {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .tesla-hero h1 {
    font-size: 2rem;
  }
  
  .tesla-content h2 {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}