* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Songti SC", "SimSun", "Times New Roman", serif;
  background: #ffffff;
  color: #1a1a1a;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative; /* 为模糊背景伪元素定位 */
}

/* ========== 背景模糊层 ========== */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/1.jpg'); /* 默认背景，可替换为图片 */
  /* 如需使用图片背景，将上面一行改为：
     background-image: url('../images/your-background.jpg'); */
  background-size: cover;
  background-position: center;
  filter: blur(10px);          /* 背景模糊程度，可调整像素值 */
  transform: scale(1.1);       /* 避免模糊边缘露白 */
  z-index: -1;                 /* 置于内容后方 */
}

a {
  color: #c00;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ========== 页眉（大红色） ========== */
.site-header {
  background: #cc0000;          /* 大红色 */
  border-bottom: 3px solid #990000;
  position: relative;
  z-index: 1;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-link {
  display: block;
  flex-shrink: 0;
}

.logo {
  height: 48px;
  width: auto;
  display: block;
}

.site-title {
  font-size: 2rem;             /* 白色大标题 */
  font-weight: bold;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 2px;
  flex: 1;                     /* 占据中间弹性空间 */
}

.site-title:hover {
  color: #ffffff;
  text-decoration: none;
}

/* ========== 菜单 ========== */
.main-nav {
  position: relative;
}

.menu-toggle {
  background: none;
  border: 1px solid #ffffff;
  color: #ffffff;
  padding: 0.4rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  font-family: inherit;
}

.menu-toggle:hover {
  background: #ffffff;
  color: #cc0000;
}

.menu-list {
  list-style: none;
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 180px;
  background: #ffffff;
  border: 1px solid #ddd;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  z-index: 100;
}

.menu-list.open {
  display: block;
}

.menu-list li {
  border-bottom: 1px solid #eee;
}

.menu-list li:last-child {
  border-bottom: none;
}

.menu-list a {
  display: block;
  padding: 0.6rem 1rem;
  color: #1a1a1a;
  text-decoration: none;
}

.menu-list a:hover {
  background: #f7f7f7;
  color: #cc0000;
}

/* ========== 主体 ========== */
.site-main {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1rem;
  position: relative;
  z-index: 1;                  /* 保证内容在模糊背景上方 */
}

/* ========== 主页新闻列表 ========== */
.issue-list {
  list-style: none;
  background: rgba(255, 255, 255, 0.85);  /* 半透明白底，增强可读性 */
  border-radius: 8px;
  padding: 1rem;
}

.issue-list li {
  padding: 1.2rem 0;
  border-bottom: 1px solid #e5e5e5;
}

.issue-list li:last-child {
  border-bottom: none;
}

.issue-list a {
  font-size: 1.2rem;
  font-weight: bold;
  color: #1a1a1a;
}

.issue-list a:hover {
  color: #cc0000;
}

.issue-list .issue-summary {
  color: #555;
  margin-top: 0.3rem;
}

/* ========== 单期新闻 ========== */
.issue-article {
  background: rgba(255, 255, 255, 0.9);   /* 半透明白底 */
  padding: 1.5rem;
  border-radius: 8px;
}

.issue-header {
  border-bottom: 2px solid #cc0000;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
}

.issue-header h1 {
  font-size: 1.8rem;
  font-weight: bold;
}

.issue-meta {
  margin-top: 0.5rem;
  color: #666;
  font-size: 0.95rem;
}

.issue-meta span {
  margin-right: 1.5rem;
}

.issue-content {
  font-size: 1.05rem;
}

.issue-content p {
  margin-bottom: 1.2rem;
}

.issue-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem auto;
}

/* ========== 页脚 ========== */
.site-footer {
  border-top: 3px solid #cc0000;
  background: #ffffff;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #666;
  position: relative;
  z-index: 1;
}