:root {
  --news-blue: #0753c8;
  --news-deep: #07367e;
  --news-ink: #17345f;
  --news-muted: #667895;
  --news-line: rgba(8, 78, 177, 0.14);
  --news-paper: #f5f9ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--news-ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(202, 224, 255, .7), transparent 28%),
    linear-gradient(180deg, #fbfdff, var(--news-paper));
  font-family: "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.news-site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 210px 1fr 170px;
  align-items: center;
  width: min(calc(100% - 36px), 1380px);
  min-height: 74px;
  margin: 16px auto 0;
  padding: 0 22px;
  border: 1px solid rgba(255,255,255,.86);
  border-radius: 26px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 16px 44px rgba(21,67,150,.1);
  backdrop-filter: blur(18px);
}
.news-brand img { width: 150px; height: auto; }
.news-nav { display: flex; justify-content: center; gap: 24px; color: #687995; font-size: 14px; }
.news-nav a { padding: 26px 0 22px; white-space: nowrap; }
.news-nav a:hover, .news-nav a.active { color: var(--news-blue); }
.news-service { justify-self: end; padding: 10px 15px; border: 1px solid var(--news-line); border-radius: 999px; color: var(--news-blue); background: #f2f7ff; font-weight: 700; font-size: 13px; }

.news-article { width: min(calc(100% - 40px), 1100px); margin: 70px auto 110px; }
.news-breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; color: var(--news-muted); font-size: 13px; }
.news-breadcrumbs span::before { content: "/"; margin-right: 9px; color: #a4b1c5; }
.news-head { max-width: 930px; margin: 0 auto 42px; text-align: center; }
.news-meta { color: var(--news-blue); font-size: 12px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.news-head h1 { margin: 18px 0 22px; color: var(--news-deep); font-size: clamp(38px, 5.3vw, 68px); line-height: 1.13; letter-spacing: -.035em; }
.news-lead { margin: 0 auto; color: var(--news-muted); font-size: 18px; line-height: 1.9; }
.news-cover { margin: 0 0 48px; overflow: hidden; border-radius: 28px; background: #e9f1fb; box-shadow: 0 26px 70px rgba(18,59,126,.13); }
.news-cover img { width: 100%; max-height: 680px; object-fit: cover; }
.news-points { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: -18px 0 45px; }
.news-points span { padding: 9px 13px; border: 1px solid var(--news-line); border-radius: 999px; color: var(--news-blue); background: rgba(255,255,255,.9); font-size: 13px; font-weight: 700; }
.news-body { padding: clamp(28px, 5vw, 64px); border: 1px solid rgba(255,255,255,.9); border-radius: 30px; background: rgba(255,255,255,.88); box-shadow: 0 24px 70px rgba(18,59,126,.08); }
.news-body section + section { margin-top: 48px; padding-top: 42px; border-top: 1px solid var(--news-line); }
.news-body h2 { margin: 0 0 20px; color: var(--news-deep); font-size: clamp(26px, 3vw, 38px); line-height: 1.35; }
.news-body p { margin: 0 0 20px; color: #425c80; font-size: 17px; line-height: 2; }
.news-figures, .news-gallery { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 28px; }
.news-figures figure, .news-gallery figure { margin: 0; overflow: hidden; border-radius: 18px; background: #edf3fa; }
.news-figures img, .news-gallery img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; }
.news-figures figcaption, .news-gallery figcaption { padding: 12px 14px; color: var(--news-muted); background: #f8fbff; font-size: 12px; line-height: 1.6; }
.news-gallery { margin: 26px 0 0; }
.news-related { display: flex; justify-content: space-between; gap: 16px; margin-top: 32px; }
.news-related a { display: inline-flex; align-items: center; min-height: 46px; padding: 0 18px; border: 1px solid var(--news-line); border-radius: 999px; color: var(--news-blue); background: #fff; font-weight: 800; }
.news-footer { padding: 34px 20px 42px; color: #71809a; background: #fff; text-align: center; font-size: 13px; }
.news-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 16px; color: var(--news-deep); font-weight: 700; }

@media (max-width: 900px) {
  .news-site-header { grid-template-columns: 1fr auto; min-height: 66px; }
  .news-nav { display: none; }
  .news-service { font-size: 0; }
  .news-service::after { content: "客服"; font-size: 12px; }
  .news-article { margin-top: 46px; }
  .news-head { text-align: left; }
  .news-head h1 { font-size: clamp(34px, 10vw, 52px); }
  .news-lead { font-size: 16px; }
}

@media (max-width: 620px) {
  .news-site-header { width: calc(100% - 20px); margin-top: 10px; padding: 0 14px; border-radius: 20px; }
  .news-brand img { width: 126px; }
  .news-article { width: calc(100% - 28px); margin-bottom: 72px; }
  .news-cover { border-radius: 20px; }
  .news-body { padding: 24px 20px; border-radius: 22px; }
  .news-body p { font-size: 16px; line-height: 1.9; }
  .news-figures, .news-gallery { grid-template-columns: 1fr; }
  .news-figures img, .news-gallery img { min-height: 0; }
  .news-related { flex-direction: column; }
  .news-related a { justify-content: center; }
}