/* ============================================
   杭州富晖智联科技 - 布局系统
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-lg);
}

.container--wide {
  max-width: var(--container-2xl);
}

/* 网格系统 */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }

/* Flex 工具 */
.flex {
  display: flex;
}

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

.flex--between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.flex--col {
  display: flex;
  flex-direction: column;
}

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

.flex--gap-4 { gap: var(--space-4); }
.flex--gap-6 { gap: var(--space-6); }
.flex--gap-8 { gap: var(--space-8); }

/* 两栏布局 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

/* 页面顶部间距（固定导航栏补偿） */
.page-top {
  padding-top: 80px;
}

/* 页面 Banner */
.page-banner {
  background: var(--gradient-hero);
  padding: var(--space-20) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233B82F6' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.page-banner__title {
  font-size: var(--text-5xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  position: relative;
}

.page-banner__desc {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* 响应式 */
@media (max-width: 1199px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
  .split { gap: var(--space-10); }
}

@media (max-width: 767px) {
  .container { padding: 0 var(--space-4); }
  .grid--2,
  .grid--3,
  .grid--4,
  .grid--6 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: var(--space-8); }
  .split--reverse { direction: ltr; }
  .page-banner { padding: var(--space-12) 0 var(--space-10); }
  .page-banner__title { font-size: var(--text-3xl); }
  .page-top { padding-top: 64px; }
}