/* ============================================================
   动态页 · 编辑部版面
   NEWSROOM 式头条大卡 + 次条网格，与「缘起」时间线版式区分
   ============================================================ */

.news-board {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ---------- 头条大卡 ---------- */
.news-lead {
  display: grid;
  grid-template-columns: 200px 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-pure);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.35s var(--ease-out);
}
.news-lead:hover { box-shadow: var(--shadow-lift); }

.news-lead-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: var(--ink);
  color: #fff;
  padding: 26px 14px;
  position: relative;
}
.news-lead-date::after {
  content: '';
  position: absolute;
  left: 22px; right: 22px; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--energy), transparent);
}
.nld-mon { font-size: 15px; font-weight: 600; letter-spacing: 0.36em; color: #7fe9f2; }
.nld-yr { font-size: 30px; font-weight: 700; letter-spacing: 0.1em; }
.nld-seq {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 6px;
}

.news-lead-body {
  padding: 30px 36px 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.news-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--energy-deep);
  background: var(--energy-glow);
  padding: 4px 10px;
  border-radius: 999px;
}
.news-lead-body h2 {
  margin: 4px 0 0;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 700;
}
.news-lead-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 62ch;
}
.news-go {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--energy-deep);
  text-decoration: none;
  border-bottom: 1.5px solid var(--energy);
  padding-bottom: 2px;
  transition: color 0.25s;
}
.news-go:hover { color: var(--energy); }
.news-go span { display: inline-block; transition: transform 0.25s var(--ease-out); }
.news-go:hover span { transform: translateX(4px); }

/* ---------- 次条网格 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.news-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-pure);
  padding: 24px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.news-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 194, 209, 0.45);
  box-shadow: var(--shadow-lift);
}
.news-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.news-date {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}
.news-type {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--energy-deep);
}
.news-card h3 {
  margin: 2px 0 0;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.news-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  flex: 1;
}
.news-card-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding-top: 6px;
  border-top: 1px solid var(--line);
}
.news-card-foot a {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--energy-deep);
  text-decoration: none;
}
.news-card-foot a:hover { color: var(--energy); text-decoration: underline; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .news-lead { grid-template-columns: 1fr; }
  .news-lead-date {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    padding: 16px 20px;
  }
  .news-lead-date::after {
    left: 20px; right: auto; top: 0; bottom: 0;
    width: 3px; height: auto;
  }
  .nld-mon { font-size: 13px; }
  .nld-yr { font-size: 22px; }
  .nld-seq { margin-top: 0; margin-left: auto; }
  .news-lead-body { padding: 22px 20px 24px; }
  .news-grid { grid-template-columns: 1fr; }
}