/* 越美秀产品介绍页样式 */

/* CSS Variables */
:root {
  --primary-color: #2d5a3d;
  --secondary-color: #8bc34a;
  --accent-color: #ff6b35;
  --text-dark: #1a1a1a;
  --text-light: #666666;
  --text-muted: #999999;
  --background-light: #f8f9fa;
  --background-white: #ffffff;
  --border-color: #e8e8e8;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, var(--background-light) 0%, var(--background-white) 100%);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* Page Wrapper */
.page-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Brand Header */
.brand-header {
  text-align: center;
  padding: 40px 0 30px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #1e4d2b 100%);
  margin: 0 -20px;
  border-radius: 0 0 30px 30px;
  color: white;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.brand-icon {
  font-size: 32px;
}

.brand-name {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}

.brand-slogan {
  font-size: 14px;
  opacity: 0.9;
  letter-spacing: 1px;
}

/* Product Showcase */
.product-showcase {
  margin-top: -30px;
  padding: 0 20px;
}

.product-image-wrapper {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 30px;
  overflow: hidden;
}

.product-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-md);
  transition: transform 0.3s ease;
}

.product-image:hover {
  transform: scale(1.02);
}

.product-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--accent-color), #ff8f5c);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Product Info */
.product-info {
  text-align: center;
  padding: 50px 20px 30px;
}

.product-name {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.product-tagline {
  font-size: 16px;
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 20px;
}

.product-description {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}

/* Section Title */
.section-title {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 30px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
  margin: 12px auto 0;
  border-radius: 2px;
}

/* Features Section */
.features-section {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.feature-card {
  background: white;
  padding: 30px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

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

.feature-icon {
  font-size: 36px;
  margin-bottom: 15px;
}

.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
}

/* Ingredients Section */
.ingredients-section {
  padding: 60px 0;
  background: var(--background-light);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}

.ingredients-list {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.ingredient-item {
  display: flex;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.ingredient-dot {
  width: 10px;
  height: 10px;
  background: var(--secondary-color);
  border-radius: var(--radius-full);
  margin-right: 15px;
}

.ingredient-name {
  flex: 1;
  font-weight: 500;
  color: var(--text-dark);
}

.ingredient-effect {
  font-size: 13px;
  color: var(--primary-color);
  background: rgba(139, 195, 74, 0.15);
  padding: 4px 12px;
  border-radius: 20px;
}

/* Target Section */
.target-section {
  padding: 60px 0;
}

.target-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  max-width: 600px;
  margin: 0 auto;
}

.target-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  padding: 15px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.target-icon {
  font-size: 24px;
}

.target-text {
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
}

/* Usage Section */
.usage-section {
  padding: 60px 0;
  background: var(--background-light);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}

.usage-steps {
  max-width: 600px;
  margin: 0 auto;
}

.usage-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: white;
  padding: 25px;
  border-radius: var(--radius-md);
  margin-bottom: 15px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary-color);
}

.step-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 16px;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.step-content p {
  font-size: 13px;
  color: var(--text-light);
}

/* Notice Section */
.notice-section {
  padding: 60px 0;
}

.notice-box {
  max-width: 600px;
  margin: 0 auto;
  background: linear-gradient(135deg, #fff9e6, #fff3cc);
  border: 1px solid #ffe066;
  border-radius: var(--radius-md);
  padding: 30px;
}

.notice-title {
  font-size: 16px;
  font-weight: 600;
  color: #b38600;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.notice-list {
  list-style: none;
}

.notice-list li {
  font-size: 13px;
  color: #856404;
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
}

.notice-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #ffc107;
  font-weight: bold;
}

/* Footer Section */
.footer-section {
  text-align: center;
  padding: 60px 0 40px;
  border-top: 1px solid var(--border-color);
  margin-top: 20px;
}

.footer-brand {
  margin-bottom: 10px;
}

.footer-logo {
  font-size: 18px;
  color: var(--primary-color);
  font-weight: 600;
}

.footer-slogan {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 15px;
}

.footer-copyright {
  font-size: 12px;
  color: var(--text-muted);
}

/* Responsive Styles */
@media (max-width: 600px) {
  .page-wrapper {
    padding: 0 15px;
  }

  .brand-header {
    padding: 30px 0 25px;
    margin: 0 -15px;
    border-radius: 0 0 20px 20px;
  }

  .brand-name {
    font-size: 24px;
  }

  .product-showcase {
    padding: 0 15px;
    margin-top: 10px;
  }

  .product-image-wrapper {
    padding: 8px;
  }

  .product-badge {
    top: 10px;
    right: 10px;
    font-size: 10px;
    padding: 4px 10px;
  }

  .product-info {
    padding: 40px 15px 25px;
  }

  .product-name {
    font-size: 24px;
  }

  .features-section,
  .ingredients-section,
  .target-section,
  .usage-section,
  .notice-section {
    padding: 40px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

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

  .ingredient-item {
    flex-wrap: wrap;
  }

  .ingredient-effect {
    margin-top: 5px;
    margin-left: 25px;
  }

  .usage-step {
    padding: 20px;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-image-wrapper,
.feature-card,
.usage-step {
  animation: fadeInUp 0.6s ease forwards;
}