/* layout.css - 栅格+容器+响应式断点（全局加载） */

/* ===== 栅格系统 ===== */
.row {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  flex: 1;
  padding: 0 15px;
}

.col-1 { width: 8.333333%; padding: 0 15px; }
.col-2 { width: 16.666667%; padding: 0 15px; }
.col-3 { width: 25%; padding: 0 15px; }
.col-4 { width: 33.333333%; padding: 0 15px; }
.col-5 { width: 41.666667%; padding: 0 15px; }
.col-6 { width: 50%; padding: 0 15px; }
.col-7 { width: 58.333333%; padding: 0 15px; }
.col-8 { width: 66.666667%; padding: 0 15px; }
.col-9 { width: 75%; padding: 0 15px; }
.col-10 { width: 83.333333%; padding: 0 15px; }
.col-11 { width: 91.666667%; padding: 0 15px; }
.col-12 { width: 100%; padding: 0 15px; }

/* ===== 响应式断点 ===== */
/* PC端 > 1024px */
@media screen and (min-width: 1025px) {
  .col-lg-1 { width: 8.333333%; padding: 0 15px; }
  .col-lg-2 { width: 16.666667%; padding: 0 15px; }
  .col-lg-3 { width: 25%; padding: 0 15px; }
  .col-lg-4 { width: 33.333333%; padding: 0 15px; }
  .col-lg-5 { width: 41.666667%; padding: 0 15px; }
  .col-lg-6 { width: 50%; padding: 0 15px; }
  .col-lg-7 { width: 58.333333%; padding: 0 15px; }
  .col-lg-8 { width: 66.666667%; padding: 0 15px; }
  .col-lg-9 { width: 75%; padding: 0 15px; }
  .col-lg-10 { width: 83.333333%; padding: 0 15px; }
  .col-lg-11 { width: 91.666667%; padding: 0 15px; }
  .col-lg-12 { width: 100%; padding: 0 15px; }
}

/* 平板端 768px - 1024px */
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .col-md-1 { width: 8.333333%; padding: 0 15px; }
  .col-md-2 { width: 16.666667%; padding: 0 15px; }
  .col-md-3 { width: 25%; padding: 0 15px; }
  .col-md-4 { width: 33.333333%; padding: 0 15px; }
  .col-md-5 { width: 41.666667%; padding: 0 15px; }
  .col-md-6 { width: 50%; padding: 0 15px; }
  .col-md-7 { width: 58.333333%; padding: 0 15px; }
  .col-md-8 { width: 66.666667%; padding: 0 15px; }
  .col-md-9 { width: 75%; padding: 0 15px; }
  .col-md-10 { width: 83.333333%; padding: 0 15px; }
  .col-md-11 { width: 91.666667%; padding: 0 15px; }
  .col-md-12 { width: 100%; padding: 0 15px; }
}

/* 手机端 < 768px */
@media screen and (max-width: 767px) {
  .col-sm-1 { width: 8.333333%; padding: 0 10px; }
  .col-sm-2 { width: 16.666667%; padding: 0 10px; }
  .col-sm-3 { width: 25%; padding: 0 10px; }
  .col-sm-4 { width: 33.333333%; padding: 0 10px; }
  .col-sm-5 { width: 41.666667%; padding: 0 10px; }
  .col-sm-6 { width: 50%; padding: 0 10px; }
  .col-sm-7 { width: 58.333333%; padding: 0 10px; }
  .col-sm-8 { width: 66.666667%; padding: 0 10px; }
  .col-sm-9 { width: 75%; padding: 0 10px; }
  .col-sm-10 { width: 83.333333%; padding: 0 10px; }
  .col-sm-11 { width: 91.666667%; padding: 0 10px; }
  .col-sm-12 { width: 100%; padding: 0 10px; }

  .container {
    padding: 0 15px;
  }

  .row {
    margin: 0 -10px;
  }
}

/* ===== 通用板块样式 ===== */
.section {
  padding: 60px 0;
}

.section-title {
  font-size: 32px;
  color: var(--primary);
  text-align: center;
  margin-bottom: 16px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--secondary);
  margin: 12px auto 0;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-gray);
  text-align: center;
  margin-bottom: 40px;
}

.section-dark {
  background-color: var(--primary);
  color: var(--text-white);
}

.section-dark .section-title {
  color: var(--text-white);
}

.section-dark .section-subtitle {
  color: rgba(255,255,255,0.7);
}

/* ===== 卡片 ===== */
.card {
  background: #fff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--primary);
  border-radius: 8px;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--text-white);
}

.card-title {
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 12px;
}

.card-text {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.8;
}

/* ===== 响应式工具 ===== */
@media screen and (max-width: 1024px) {
  .section {
    padding: 40px 0;
  }
  .section-title {
    font-size: 28px;
  }
}

@media screen and (max-width: 767px) {
  .section {
    padding: 32px 0;
  }
  .section-title {
    font-size: 24px;
  }
  .section-subtitle {
    font-size: 14px;
    margin-bottom: 24px;
  }
  .card {
    padding: 20px;
  }
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 16px 0;
  font-size: 14px;
  color: var(--text-gray);
  background-color: rgba(27,58,75,0.05);
}

.breadcrumb a {
  color: var(--primary);
}

.breadcrumb a:hover {
  color: var(--secondary);
}

.breadcrumb-separator {
  margin: 0 8px;
  color: var(--border-color);
}

.breadcrumb-current {
  color: var(--text-gray);
}

/* ===== 分页 ===== */
.pagination {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-dark);
  font-size: 14px;
  transition: all 0.3s ease;
}

.pagination a:hover {
  background-color: var(--primary);
  color: var(--text-white);
  border-color: var(--primary);
}

.pagination .current {
  background-color: var(--secondary);
  color: var(--text-white);
  border-color: var(--secondary);
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  background-color: rgba(27,58,75,0.08);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  margin: 4px;
  transition: all 0.3s ease;
}

.tag:hover {
  background-color: var(--secondary);
  color: var(--text-white);
}