/* ===== AI 助力页 - Hero ===== */

.ai-hero {
  padding: 72px 0 40px;
  background: linear-gradient(180deg, #f0f0ff 0%, #ffffff 100%);
  text-align: center;
}

.ai-title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text);
}

.ai-desc {
  max-width: 640px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-light);
}


/* ===== 平铺展示区域 ===== */

.ai-showcase-section {
  padding: 48px 0 80px;
  background: var(--white);
}

/* ===== 面板 ===== */

.ai-panels {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.ai-panel {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: linear-gradient(180deg, #ffffff 0%, #fafbff 100%);
}

.ai-panel-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.ai-panel-content {
  padding: 0;
}

.ai-module-head {
  margin-bottom: 14px;
}

.ai-module-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #eef1fb;
  color: var(--primary);
}


/* ===== 面板标题与副标题 ===== */

.ai-panel-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.ai-panel-subtitle {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-light);
  margin-bottom: 32px;
}


/* ===== 特性列表 ===== */

.ai-feature-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ai-feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.ai-feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #eef1fb 0%, #e8e4ff 100%);
  display: grid;
  place-items: center;
  color: var(--primary);
}

.ai-feature-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.ai-feature-text {
  font-size: 14px;
  line-height: 1.7;
  color: #3c4257;
}


/* ===== CTA 按钮 ===== */

.ai-cta-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 32px;
}


/* ===== 图片占位 ===== */

.ai-panel-visual {
  border-radius: var(--radius);
  overflow: hidden;
}

.ai-img-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 400px;
  background: linear-gradient(135deg, #f5f5ff 0%, #eef1fb 100%);
  border: 2px dashed #c5ccdb;
  border-radius: var(--radius);
  color: #9da7bb;
  font-size: 14px;
}

.ai-img-placeholder svg {
  opacity: 0.5;
}


/* ===== 响应式 ===== */

@media (max-width: 980px) {
  .ai-panel-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .ai-hero {
    padding: 48px 0 28px;
  }

  .ai-desc {
    font-size: 15px;
  }

  .ai-panel {
    padding: 20px;
  }

  .ai-panel-title {
    font-size: 22px;
  }

  .ai-feature-icon {
    width: 34px;
    height: 34px;
  }

  .ai-feature-name {
    font-size: 14px;
  }

  .ai-feature-text {
    font-size: 13px;
  }

  .ai-img-placeholder {
    min-height: 260px;
  }
}