/* 公开页专属样式 */

.top-bar {
  background: var(--color-primary);
  color: rgba(255,255,255,0.8);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 2px;
}
.top-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 24px;
  display: flex;
  justify-content: space-between;
}

.site-header {
  border-bottom: 2px solid var(--color-primary);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 24px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.journal-name {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: bold;
  letter-spacing: 1px;
}
.journal-name a { color: var(--color-primary); }
.header-nav {
  display: flex;
  gap: 24px;
  font-family: var(--font-sans);
  font-size: 15px;
}

.page-title {
  font-size: 28px;
  color: var(--color-primary);
  margin: 48px 0 32px;
  text-align: center;
  position: relative;
}
.page-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: 16px auto 0;
}

/* 首页区 */
.index-hero {
  text-align: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}
.index-hero h1 {
  font-size: 40px;
  margin-bottom: 16px;
  color: var(--color-primary);
}
.index-hero p {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* 题目展示框 */
.prompt-box {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 32px;
  margin-bottom: 40px;
  position: relative;
}
.prompt-box::before {
  content: '原题';
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 2px 12px;
  letter-spacing: 2px;
}
.prompt-meta {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 16px;
  font-weight: bold;
}
.prompt-text {
  font-size: 16px;
  line-height: 2;
  color: #333;
  white-space: pre-wrap;
}

/* 文章列表 */
.article-item {
  margin-bottom: 48px;
}
.article-item .meta {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 8px;
}
.article-item .title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 8px;
  line-height: 1.5;
}
.article-item .author {
  font-size: 15px;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.article-item .abstract {
  font-size: 15px;
  color: #444;
  line-height: 1.8;
}

/* 历届年份分组 */
.year-group {
  margin-bottom: 64px;
}
.year-header {
  font-size: 24px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
  margin-bottom: 24px;
  color: var(--color-primary);
}

/* 文章详情 */
.article-detail {
  padding: 48px 0;
  max-width: 720px;
  margin: 0 auto;
}
.article-detail .title {
  font-size: 32px;
  line-height: 1.4;
  margin-bottom: 24px;
  text-align: center;
}
.article-detail .author-info {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.article-detail .content {
  font-size: 17px;
  line-height: 2.2;
  color: #1a1a1a;
  word-wrap: break-word;
}
.article-detail .content p {
  margin-bottom: 24px;
  text-indent: 2em;
}

/* 在线投稿表单 */
.submit-form {
  max-width: 680px;
  margin: 0 auto;
  background: #fff;
  padding: 48px;
  border: 1px solid var(--color-border);
}
.form-group {
  margin-bottom: 24px;
  font-family: var(--font-sans);
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  font-size: 15px;
  font-family: inherit;
  transition: border 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-group textarea {
  min-height: 300px;
  resize: vertical;
}

.site-footer {
  margin-top: 80px;
  padding: 64px 24px;
  text-align: center;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-muted);
}