* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}
:root {
  --primary: #165DFF;
  --secondary: #7B61FF;
  --third: #00CFFB;
  --bg-dark: #0A0E17;
  --bg-card: #141925;
  --text: #E5E9F2;
  --text-secondary: #86909C;
  --border: #252F48;
}
body {
  font-family: "Microsoft YaHei", sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-title {
  text-align: center;
  font-size: 34px;
  margin-bottom: 45px;
  line-height: 1.4;
}
.section-title span {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  font-size: 15px;
}
.btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(123,97,255,0.3);
}

/* 导航 */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(20,25,37,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
.logo {
  font-size: 22px;
  font-weight: bold;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-menu {
  display: flex;
  gap: 30px;
  list-style: none;
}
.nav-menu a {
  color: var(--text-secondary);
  transition: 0.3s;
}
.nav-menu a:hover {
  color: var(--primary);
}

/* 面包屑 */
.breadcrumb {
  padding: 100px 0 15px;
  color: var(--text-secondary);
  font-size: 14px;
}
.breadcrumb a {
  color: var(--text-secondary);
}

/* 文章列表 */
.news-page {
  padding: 40px 0 80px;
}
.news-list {
  max-width: 900px;
  margin: 0 auto;
}
.news-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 25px;
  margin-bottom: 15px;
  transition: 0.3s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.news-item:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}
.news-title {
  font-size: 16px;
  color: var(--text);
}
.news-time {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 50px;
}
.page-item {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: 0.3s;
}
.page-item.active,
.page-item:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* 页脚 */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

@media (max-width:900px) {
  .nav-menu { display: none; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 8px; }
}