/* 
Future Lab 2.0
Research System Style
V1.0
*/

* {
  box-sizing: border-box;
}

body {
  margin: 0;

  padding: 0;

  font-family: "Microsoft YaHei", Arial, sans-serif;

  background: #f5f7fb;

  color: #1f2937;
}

.container {
  max-width: 1500px;

  margin: auto;

  padding: 30px;
}

/* =====================
 顶部区域
===================== */

.header {
  background: linear-gradient(135deg, #111827, #1d4ed8);

  color: white;

  padding: 40px;

  border-radius: 20px;

  margin-bottom: 35px;

  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.header h1 {
  margin: 0;

  font-size: 42px;
}

.header p {
  font-size: 22px;

  margin: 15px 0;
}

.subtitle {
  opacity: 0.9;

  font-size: 16px;
}

/* =====================
 标题
===================== */

h2 {
  margin-top: 40px;

  padding-left: 15px;

  border-left: 6px solid #2563eb;

  font-size: 28px;
}

/* =====================
 Dashboard
===================== */

.dashboard {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 22px;
}

.card {
  background: white;

  padding: 25px;

  border-radius: 18px;

  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.card h3 {
  margin-top: 0;

  color: #374151;
}

.card p {
  font-size: 24px;

  margin-bottom: 0;

  font-weight: bold;
}

/* =====================
 普通面板
===================== */

.panel {
  background: white;

  padding: 28px;

  border-radius: 18px;

  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* =====================
 数据卡片
===================== */

.data-card {
  background: white;

  padding: 25px;

  margin-bottom: 20px;

  border-radius: 16px;

  border-left: 5px solid #2563eb;

  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.data-card h3 {
  margin-top: 0;

  font-size: 22px;
}

/* =====================
 状态标签
===================== */

.tag {
  display: inline-block;

  padding: 5px 12px;

  border-radius: 20px;

  background: #dbeafe;

  color: #1d4ed8;

  margin-right: 8px;

  font-size: 14px;
}

/* =====================
 空状态
===================== */

.empty {
  background: white;

  padding: 40px;

  text-align: center;

  border-radius: 16px;

  color: #6b7280;
}

/* =====================
 链接
===================== */

a {
  color: #2563eb;

  text-decoration: none;

  font-size: 18px;
}

a:hover {
  text-decoration: underline;
}

/* =====================
 列表
===================== */

ul {
  line-height: 2;
}

/* =====================
 响应式
===================== */

@media (max-width: 900px) {
  .dashboard {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .dashboard {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 15px;
  }

  .header h1 {
    font-size: 32px;
  }
}