:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --text: #22252a;
  --text-muted: #7b8290;
  --border: #e8e8e4;
  --accent: #3a7d6d;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(34, 37, 42, 0.06);
  --shadow-hover: 0 8px 24px rgba(34, 37, 42, 0.12);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- 头部 ---------- */
.site-header {
  text-align: center;
  padding: 56px 24px 40px;
}

.site-header h1 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--text);
}

.site-header .subtitle {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ---------- 画廊 ---------- */
.wrap {
  flex: 1;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

/* 瀑布流：等宽列 + 图片按原比例完整展示，不裁切照片内容 */
.gallery {
  column-count: 3;
  column-gap: 20px;
}

.card {
  display: inline-block;
  width: 100%;
  margin: 0 0 20px;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.card img {
  display: block;
  width: 100%;
  height: auto;
  background: #f0f0ec;
}

.card figcaption {
  padding: 10px 14px 12px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.5px;
}

/* ---------- 底部 ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 24px 32px;
  text-align: center;
}

.stats {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.stats b {
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stats .sep {
  margin: 0 10px;
  color: var(--border);
}

.copyright {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.beian {
  margin-top: 8px;
  font-size: 13px;
}

.beian a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.beian a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .gallery {
    column-count: 2;
    column-gap: 16px;
  }
  .card {
    margin-bottom: 16px;
  }
  .site-header {
    padding: 40px 20px 30px;
  }
  .site-header h1 {
    font-size: 26px;
  }
}

@media (max-width: 560px) {
  .gallery {
    column-count: 1;
  }
  .card {
    margin-bottom: 14px;
  }
  .wrap {
    padding: 0 16px 48px;
  }
  .site-header {
    padding: 32px 16px 24px;
  }
  .site-header h1 {
    font-size: 24px;
    letter-spacing: 2px;
  }
  .stats .sep {
    margin: 0 6px;
  }
}