/*!
 * 无障碍吐槽平台 - 首页样式
 */

/* ==================== Hero 区域 ==================== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-white) 100%);
  padding: var(--spacing-2xl) 0;
  margin-bottom: var(--spacing-2xl);
}

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

.hero-content {
  max-width: 540px;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

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

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

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

.hero-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.card-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-md);
}

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

/* ==================== 统计区域 ==================== */
.stats {
  margin-bottom: var(--spacing-2xl);
}

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

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ==================== 功能介绍 ==================== */
.features {
  margin-bottom: var(--spacing-2xl);
}

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

.section-desc {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

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

.feature-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.feature-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

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

/* ==================== 热门问题 ==================== */
.hot-issues {
  margin-bottom: var(--spacing-2xl);
}

.issues-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.issue-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-md);
  align-items: center;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border-left: 4px solid var(--color-primary);
}

.issue-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.issue-card.category-1 { border-left-color: #4A90D9; }
.issue-card.category-2 { border-left-color: #F5A623; }
.issue-card.category-3 { border-left-color: #9C27B0; }
.issue-card.category-4 { border-left-color: #999999; }

.issue-status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-pending);
}

.issue-status-indicator.pending { background: var(--color-pending); }
.issue-status-indicator.processing { background: var(--color-processing); }
.issue-status-indicator.resolved { background: var(--color-resolved); }

.issue-content {
  min-width: 0;
}

.issue-app-name {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.issue-title-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.issue-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-xs);
}

.issue-tag {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.issue-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.section-action {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* ==================== 如何工作 ==================== */
.how-it-works {
  background: var(--color-white);
  padding: var(--spacing-2xl) 0;
  margin: 0 calc(-1 * var(--container-padding));
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 180px;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.step-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.step-arrow {
  font-size: 24px;
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-md);
  flex-shrink: 0;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-title {
    font-size: 2rem;
  }

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

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

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

  .issue-card {
    grid-template-columns: 1fr;
  }

  .issue-meta {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

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

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

  .stats-grid {
    grid-template-columns: 1fr;
  }
}