/* ===== 专业介绍：门户卡片区块 + 详情页 ===== */

/* ---------- 门户首页：专业介绍区块 ---------- */
.major-intro-wrap { margin-top: 28px; }

.mi-group + .mi-group { margin-top: 40px; }

.mi-campus {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-700, #374151);
  margin-bottom: 18px;
}
.mi-campus-bar {
  display: inline-block;
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--primary, #4f46e5);
}

.mi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 卡片 */
.mi-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--gray-200, #e5e7eb);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.mi-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(79, 70, 229, .12);
  border-color: var(--primary-light, #e0e7ff);
}

.mi-cover {
  height: 140px;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-100, #f3f4f6);
}

.mi-card-body {
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mi-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-800, #1f2937);
  line-height: 1.4;
  margin-bottom: 10px;
}

.mi-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.mi-level, .mi-dur {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
}
.mi-level { background: var(--primary-light, #e0e7ff); color: var(--primary-dark, #4338ca); }
.mi-dur   { background: #f3f4f6; color: var(--gray-600, #4b5563); }

.mi-obj {
  font-size: 13px;
  color: var(--gray-500, #6b7280);
  line-height: 1.7;
  margin-bottom: 12px;
  flex: 1;
}

.mi-courses {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.mi-course {
  font-size: 12px;
  color: var(--gray-600, #4b5563);
  background: #f9fafb;
  border: 1px solid var(--gray-200, #e5e7eb);
  border-radius: 6px;
  padding: 3px 8px;
}

.mi-more {
  font-size: 13px;
  color: var(--primary, #4f46e5);
  font-weight: 600;
}

/* ---------- 详情页 ---------- */
.mi-detail {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 5% 60px;
}

.mi-back-wrap { margin-bottom: 18px; }
.mi-back {
  font-size: 14px;
  color: var(--gray-500, #6b7280);
  text-decoration: none;
}
.mi-back:hover { color: var(--primary, #4f46e5); }

.mi-hero {
  height: 260px;
  border-radius: 14px;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-100, #f3f4f6);
  margin-bottom: 24px;
}

.mi-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--gray-800, #1f2937);
  margin: 0 0 14px;
  line-height: 1.3;
}

.mi-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}
.mi-chip {
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 999px;
  background: #f3f4f6;
  color: var(--gray-600, #4b5563);
}
.mi-chip.campus { background: var(--primary-light, #e0e7ff); color: var(--primary-dark, #4338ca); }
.mi-chip.level  { background: #ecfdf5; color: #047857; }
.mi-chip.dur    { background: #fff7ed; color: #c2410c; }

.mi-block { margin-bottom: 32px; }
.mi-block-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--gray-800, #1f2937);
  padding-left: 12px;
  border-left: 4px solid var(--primary, #4f46e5);
  margin: 0 0 14px;
}
.mi-block-body {
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray-600, #4b5563);
}
.mi-block-body p { margin: 0; }

.mi-ul {
  margin: 0;
  padding-left: 20px;
}
.mi-ul li { margin-bottom: 8px; }

.mi-course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mi-course-item {
  display: block;
  padding: 10px 14px;
  background: #f9fafb;
  border: 1px solid var(--gray-200, #e5e7eb);
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-700, #374151);
  text-align: center;
}

.mi-cta { margin-top: 40px; text-align: center; }
.btn-primary-cta {
  display: inline-block;
  padding: 12px 40px;
  background: var(--primary, #4f46e5);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: background .18s ease;
}
.btn-primary-cta:hover { background: var(--primary-dark, #4338ca); }

.mi-loading, .mi-empty {
  padding: 60px 0;
  text-align: center;
  color: var(--gray-400, #9ca3af);
  font-size: 15px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .mi-grid { grid-template-columns: repeat(2, 1fr); }
  .mi-course-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .mi-grid { grid-template-columns: 1fr; }
  .mi-course-grid { grid-template-columns: 1fr; }
  .mi-title { font-size: 24px; }
  .mi-hero { height: 180px; }
  .mi-detail { padding: 32px 5% 48px; }
}