/* ========================================
   产品介绍页面样式
   ======================================== */

/* 页面头部 */
.page-header {
  padding: 160px 0 80px;
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
  position: relative;
  z-index: 1;
}

.page-header-content {
  text-align: center;
}

.page-header h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--deep-brown);
  margin-bottom: 16px;
}

.page-header p {
  font-size: 18px;
  color: var(--text-secondary);
}

/* 产品概览 */
.product-overview {
  padding: 100px 0;
  background: white;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.overview-content .section-tag {
  margin-bottom: 16px;
}

.overview-content h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--deep-brown);
  margin-bottom: 20px;
}

.overview-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.overview-features {
  list-style: none;
  margin-bottom: 40px;
}

.overview-features li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--warm-beige);
}

.overview-features li:last-child {
  border-bottom: none;
}

.of-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  background: var(--soft-gray);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.of-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--deep-brown);
  margin-bottom: 4px;
}

.of-content p {
  font-size: 14px;
  color: var(--text-muted);
}

/* 产品 mockup */
.product-mockup {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.mockup-header {
  background: var(--soft-gray);
  padding: 12px 16px;
  border-bottom: 1px solid var(--warm-beige);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dots span:first-child { background: #FF5F57; }
.mockup-dots span:nth-child(2) { background: #FFBD2E; }
.mockup-dots span:nth-child(3) { background: #28C840; }

.mockup-content {
  display: flex;
  height: 320px;
}

.mockup-sidebar {
  width: 80px;
  background: var(--soft-gray);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-menu-item {
  height: 36px;
  background: var(--warm-beige);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.mockup-menu-item.active {
  background: var(--primary-gradient);
}

.mockup-menu-item:not(.active):hover {
  background: rgba(212, 175, 55, 0.3);
}

.mockup-main {
  flex: 1;
  padding: 24px;
  display: flex;
  align-items: flex-end;
}

.mockup-chart {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 12px;
}

.chart-bar {
  flex: 1;
  background: var(--primary-gradient);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  opacity: 0.8;
  transition: all var(--transition-base);
}

.chart-bar:hover {
  opacity: 1;
  transform: scaleY(1.05);
}

/* 功能模块 */
.modules {
  padding: 100px 0;
  background: var(--soft-gray);
}

.modules-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.module-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  background: white;
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.module-item.reverse {
  direction: rtl;
}

.module-item.reverse .module-content {
  direction: ltr;
}

.module-item.reverse .module-visual {
  direction: ltr;
}

.module-content {
  display: flex;
  gap: 24px;
}

.module-icon {
  font-size: 48px;
  width: 80px;
  height: 80px;
  background: rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.module-text h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--deep-brown);
  margin-bottom: 12px;
}

.module-text > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.module-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  list-style: none;
}

.module-features li {
  font-size: 14px;
  color: var(--text-secondary);
}

.module-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.module-preview {
  width: 100%;
  max-width: 320px;
  background: var(--soft-gray);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

/* 目标预览 */
.preview-goal {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
}

.goal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.goal-header span:first-child {
  font-weight: 600;
  color: var(--deep-brown);
}

.goal-progress {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-gold-dark);
}

.goal-progress-bar {
  height: 8px;
  background: var(--warm-beige);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

/* 图表预览 */
.preview-chart-large {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
}

.line-chart {
  width: 100%;
  height: auto;
}

/* 团队预览 */
.preview-team {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
}

.team-avatars {
  display: flex;
  gap: -8px;
  margin-bottom: 16px;
}

.team-avatar {
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  font-weight: 600;
  border: 2px solid white;
  margin-left: -10px;
}

.team-avatar:first-child {
  margin-left: 0;
}

.team-avatar.more {
  background: var(--warm-beige);
  color: var(--deep-brown);
}

.team-status {
  text-align: center;
}

.status-online {
  display: inline-block;
  background: var(--success-light);
  color: var(--success);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

/* 安全预览 */
.preview-security {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.security-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.status-secure {
  display: block;
  font-weight: 600;
  color: var(--deep-brown);
  margin-bottom: 4px;
}

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

/* ========================================
   定价方案
   ======================================== */
.pricing {
  padding: 100px 0;
  background: white;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--soft-gray);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  position: relative;
}

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

.pricing-card.featured {
  background: white;
  border-color: var(--primary-gold);
  box-shadow: var(--shadow-xl);
}

.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--primary-gradient);
  color: white;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

.pricing-header {
  margin-bottom: 32px;
}

.pricing-header h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--deep-brown);
  margin-bottom: 8px;
}

.pricing-header p {
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  margin-bottom: 32px;
}

.pricing-price .price-currency {
  font-size: 24px;
  font-weight: 600;
  color: var(--deep-brown);
  margin-right: 4px;
}

.pricing-price .price-amount {
  font-size: 48px;
  font-weight: 700;
  color: var(--deep-brown);
}

.pricing-price .price-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 4px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li.disabled {
  color: var(--text-muted);
  opacity: 0.5;
}

/* 响应式 */
@media (max-width: 992px) {
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .module-item,
  .module-item.reverse {
    grid-template-columns: 1fr;
    gap: 40px;
    direction: ltr;
  }

  .module-content {
    order: 1;
  }

  .module-visual {
    order: 2;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .page-header h1 {
    font-size: 32px;
  }

  .overview-content h2 {
    font-size: 28px;
  }

  .module-item,
  .module-item.reverse {
    padding: 32px 24px;
  }

  .module-content {
    flex-direction: column;
  }

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