body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: #fff;
  color: #333;
  line-height: 1.5;
  font-size: 14px;
}
.intro {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: #555;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}
.article-preview {
  border: 1px solid #e0e0e0;       /* 淡灰色边框，不刺眼 */
  border-radius: 8px;              /* 圆角美观 */
  padding: 1rem;                   /* 内边距 */
  background-color: #fff;          /* 保持白底，增强层次感 */
  box-shadow: 0 2px 4px rgba(0,0,0,0.03); /* 轻微阴影提升立体感 */
}
.article-preview h2 {
  font-size: 1.1rem;
  margin: 0 0 0.3rem 0;
}

.article-preview a {
  text-decoration: none;
  color: #222;
}

.article-preview a:hover {
  text-decoration: underline;
}

.article-preview p {
  font-size: 0.95rem;
  color: #444;
  margin: 0 0 0.4rem 0;
}

.article-preview time {
  font-size: 0.8rem;
  color: #888;
}
.nav {
  display: flex;
  overflow-x: auto;
  white-space: nowrap;
  background-color: #fff;
  border-bottom: 1px solid #eee;
  padding: 8px 10px;
  -webkit-overflow-scrolling: touch; /* iOS 滚动优化 */
}

.nav a {
  flex: 0 0 auto;
  padding: 8px 14px;
  margin-right: 8px;
  font-size: 14px;
  color: #333;
  text-decoration: none;
  border-radius: 5px;
  background: #f5f5f5;
  transition: background 0.3s;
}

.nav a:hover {
  background: #e0e0e0;
}
header.hero {
  position: relative;
  background-image: url('images/header-bg.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  padding: 60px 16px 40px;
}

header.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

header.hero h1,
header.hero p {
  position: relative;
  z-index: 2;
  margin: 0;
}

header.hero h1 {
  font-size: 22px;
  margin-bottom: 8px;
  line-height: 1.3;
}

header.hero p {
  font-size: 14px;
  color: #f0f0f0;
}

.section {
  padding: 20px 16px;
  max-width: 720px;
  margin: auto;
  border-bottom: 1px solid #eee;
}

.section h2 {
  font-size: 16px;
  margin-bottom: 10px;
  line-height: 1.3;
  color: #orange;
}

.section p,
.section ul li {
  font-size: 14px;
  color: #444;
  margin-bottom: 6px;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: #fafafa;
  padding: 12px;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.img-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  margin-top: 8px;
}

.img-scroll img {
  width: 130px;
  border-radius: 6px;
  flex-shrink: 0;
}

footer {
  background: #222;
  color: #bbb;
  text-align: center;
  font-size: 12px;
  padding: 16px;
}
.exp-block {
  margin-bottom: 2rem;
}

.exp-block h2 {
  font-size: 1.1rem;
  color: #orange;
  margin-bottom: 0.5rem;
}
.article-preview {
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 1.2rem;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.03);
  transition: all 0.2s ease-in-out;
}

.article-preview:hover {
  border-color: #c55c18;
  box-shadow: 0 4px 8px rgba(0,0,0,0.06);
}

.article-preview h2 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

/*.article-preview a {*/
  color: #c55c18;              /* 使用深橙色，温暖醒目 */
/*  text-decoration: none;*/
/*  font-weight: bold;*/
/*  display: inline-block;*/
/*  text-align: center;*/
/*  width: 100%;*/
/*}*/
.article-preview img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 1rem;
  object-fit: cover;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.article-preview a:hover {
  text-decoration: underline;
}

.article-preview p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin: 0.5rem 0 1rem 0;  /* 加大段落间距 */
}

.article-preview time {
  display: block;
  font-size: 0.8rem;
  color: #999;
  text-align: right;
}