/**
 * 落地页样式
 * 包含 Hero 区域、分类、商品展示、品牌故事等模块
 * 配合 GSAP 实现高级交互动画
 */

/* ============== 通用 section 样式 ============== */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

/* ============== Hero 首屏 ============== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--navbar-height);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #FAF9F7 0%, #F5F1EB 50%, #EDE5D8 100%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-light);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.shape-2 {
  width: 300px;
  height: 300px;
  background: #D4C4A8;
  bottom: -50px;
  left: -50px;
  animation-delay: -7s;
}

.shape-3 {
  width: 250px;
  height: 250px;
  background: #E8DCC8;
  top: 40%;
  left: 30%;
  animation-delay: -14s;
}

@keyframes floatShape {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--text-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--primary);
  font-weight: 500;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.hero-title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
}

.highlight-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.btn-arrow {
  margin-left: 8px;
  transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Hero 图片区 */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 4/5;
}

.hero-image-main {
  position: absolute;
  width: 80%;
  height: 90%;
  top: 5%;
  left: 10%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.hero-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-float {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.float-1 {
  width: 120px;
  height: 120px;
  top: 10%;
  left: -20px;
  animation: floatCard 6s ease-in-out infinite;
}

.float-2 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  right: -10px;
  animation: floatCard 6s ease-in-out infinite;
  animation-delay: -2s;
}

.float-3 {
  top: auto;
  bottom: 5%;
  left: 0;
  right: auto;
  animation: floatCard 6s ease-in-out infinite;
  animation-delay: -4s;
}

@keyframes floatCard {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.floating-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--text-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 28px;
}

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

.card-desc {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* 滚动指示器 */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  z-index: 2;
  animation: bounceIndicator 2s ease-in-out infinite;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(16px);
  }
}

@keyframes bounceIndicator {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-8px);
  }
}

/* ============== 分类区域 ============== */
.categories-section {
  background: var(--bg-white);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.category-card:hover::before {
  opacity: 0.08;
}

.category-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-base);
  position: relative;
  z-index: 1;
}

.category-card:hover .category-icon {
  transform: scale(1.1);
}

.category-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

/* ============== 精选 / 新品商品网格 ============== */
.featured-section {
  background: var(--bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.new-section {
  background: var(--bg-white);
}

/* ============== 特色服务 ============== */
.features-section {
  background: var(--primary-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: var(--text-white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

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

.feature-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============== 关于我们 ============== */
.about-section {
  background: var(--bg-light);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.about-image-badge {
  position: absolute;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--primary);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.badge-year {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1;
}

.badge-text {
  font-size: var(--font-size-xs);
  opacity: 0.9;
}

.about-content .section-tag {
  margin-bottom: var(--spacing-md);
}

.about-content .section-title {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.about-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.about-feature-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--text-white);
  border-radius: 50%;
  font-size: 12px;
  flex-shrink: 0;
}

.about-btn {
  margin-top: var(--spacing-md);
}

/* ============== CTA 区域 ============== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--spacing-md);
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xl);
}

.cta-btn {
  color: var(--primary);
}

/* ============== 滚动动画元素初始状态 ============== */
.reveal-element {
  opacity: 0;
  transform: translateY(40px);
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
}

/* ============== 响应式 ============== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    order: 2;
  }

  .hero-image {
    order: 1;
    max-width: 400px;
    margin: 0 auto var(--spacing-2xl);
  }

  .hero-buttons,
  .hero-stats {
    justify-content: center;
  }

  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .about-content .section-title {
    text-align: center;
  }

  .about-content {
    text-align: center;
  }

  .about-features {
    justify-items: center;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .hero-stats {
    gap: var(--spacing-lg);
  }

  .stat-number {
    font-size: var(--font-size-xl);
  }

  .cta-title {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}