/* 产品详情页：Hero / 系统概述 / 六大价值 / 建设目标 / 功能模块 / 部署服务 */

.product-hero {
  position: relative;
  z-index: 1;
  padding: 150px 0 70px;
}
.product-hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.product-hero-content {
  max-width: 620px;
}
.product-hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 22px;
  white-space: nowrap;
  background: linear-gradient(135deg, #1d56c3 50%, #28d1d7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.product-hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 32px;
}
.product-hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.product-hero-meta {
  display: flex;
  gap: 32px;
  flex-wrap: nowrap; /* PC 端三项保持一排，不换行 */
}
.meta-item {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 18px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 18px rgba(30, 64, 175, 0.08);
}
/* 大数字 + 右上角趋势箭头 */
.meta-num {
  position: relative;
  display: inline-flex;
  align-items: baseline;
}
/* 数字：主题渐变 */
.meta-num strong {
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 50%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* 百分号：黑色 */
.meta-num em {
  font-style: normal;
  font-size: 20px;
  font-weight: 800;
  color: #111827;
  /* em 位于 strong 内部，会继承其 transparent 填充，这里显式覆盖为黑色 */
  -webkit-text-fill-color: #111827;
  margin-left: 2px;
}
.meta-trend {
  position: absolute;
  top: -12px;
  right: -24px;
  width: 26px;
  height: 26px;
  object-fit: contain;
}
/* 箭头颜色由各自 SVG 内的渐变定义（上升：青→绿；下降：黄→橙） */
.trend-up { color: #22C55E; }
.trend-down { color: #F97316; }
.meta-item span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 12px;
}
.product-hero-visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 24px 50px rgba(37, 99, 235, 0.18));
}

/* 系统概述 */
.overview-body {
  max-width: 920px;
  margin: 0 auto 36px;
}
.overview-lead {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 18px;
  text-align: center;
}
.capability-chips {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 12px;
  max-width: 100%;
  margin: 0 auto;
}
.cap-chip {
  padding: 9px 18px;
  background: var(--white);
  border: 1px solid var(--primary-100);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s;
  flex-shrink: 0;
}
.cap-chip:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

/* 六大核心价值 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}
.value-num {
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #2563EB 0%, #3B82F6 60%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.9;
}
.value-card h3 {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}
.value-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* 建设总体目标 */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.goal-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: all 0.3s;
}
.goal-item:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-sm);
}
.goal-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary-50);
  color: var(--primary);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.goal-item p {
  font-size: 15px;
  color: var(--text-main);
  line-height: 1.8;
}

/* 核心功能模块 */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.module-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: all 0.3s;
}
.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}
.module-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-50), #F5F3FF);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}
.module-icon svg { width: 26px; height: 26px; }
.module-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}
.module-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 部署与服务模式 */
.deploy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.deploy-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: all 0.3s;
}
.deploy-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}
.deploy-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, #EFF6FF, #F5F3FF);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary);
}
.deploy-icon svg { width: 26px; height: 26px; }
.deploy-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}
.deploy-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

@media (max-width: 980px) {
  .product-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .product-hero-visual { max-width: 520px; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .deploy-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .product-hero { padding: 120px 0 40px; }
  .product-hero-title { font-size: 26px; white-space: nowrap; }
  .product-hero-sub { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .values-grid { grid-template-columns: 1fr; }
  .goals-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .deploy-grid { grid-template-columns: 1fr; }
  .product-hero-meta { flex-wrap: wrap; gap: 14px; justify-content: center; }
  .meta-item { flex: 1 1 44%; padding: 14px 12px; }
  .meta-num strong { font-size: 40px; }
  .meta-num em { font-size: 16px; }
  .meta-trend { width: 20px; height: 20px; top: -8px; right: -20px; }
  .capability-chips {
    flex-wrap: wrap;
    justify-content: center;
    overflow-x: visible;
    padding-bottom: 0;
  }
}