/*
  Blog alternating cards layout
  - 桌面端：图片与文字卡片左右交错，并带轻微重叠效果。
  - 手机端：统一图片在上、文字在下，便于阅读。
  - WordPress 循环：偶数项给 article 添加 .is-reverse 即可。
*/

:root {
  --page-bg: #ffffff;
  --card-bg: #ffffff;
  --text-main: #050a4f;
  --text-muted: #75819c;
  --link-blue: #2c7bff;
  --shadow: 0 22px 55px rgba(14, 34, 90, 0.10);
  --border: 1px solid rgba(4, 31, 82, 0.10);
  --radius-media: 8px;
  --radius-card: 8px;
  --container-width: 1110px;
  --overlap: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--page-bg);
  color: var(--text-main);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--link-blue);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.blog-section {
  padding: 22px 20px 56px;
}

.blog-container {
  width: min(100%, var(--container-width));
  margin: 0 auto;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.blog-card {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  min-height: 376px;
}

.blog-card[hidden] {
  display: none !important;
}

.blog-card__media {
  grid-column: 1 / span 7;
  grid-row: 1;
  position: relative;
  z-index: 1;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-media);
  box-shadow: none;
  aspect-ratio: 650 / 400;
  background: #e8f4ff;
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.blog-card__media:hover img {
  transform: scale(1.035);
}

.blog-card__content {
  /*
    文字盒子统一占 5 栏，并额外增加 --overlap 的宽度，
    这样奇数行和偶数行的文本卡片宽度完全一致，且都能压到图片上。
  */
  grid-column: 8 / -1;
  grid-row: 1;
  justify-self: end;
  width: calc(100% + var(--overlap));
  position: relative;
  z-index: 2;
  min-height: 318px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px 38px;
  background: var(--card-bg);
  border: var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}

.blog-card.is-reverse .blog-card__media {
  grid-column: 6 / -1;
}

.blog-card.is-reverse .blog-card__content {
  grid-column: 1 / span 5;
  justify-self: start;
  width: calc(100% + var(--overlap));
}

.blog-card__meta {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--link-blue);
}

.blog-card__meta a {
  color: var(--link-blue);
}

.blog-card__meta a:hover {
  text-decoration: underline;
}

.blog-card__title {
  margin: 0;
  font-size: clamp(24px, 2.3vw, 31px);
  line-height: 1.24;
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--text-main);
}

.blog-card__title a {
  color: var(--text-main);
}

.blog-card__title a:hover {
  color: var(--link-blue);
}

.blog-card__date {
  display: inline-block;
  margin-top: 45px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

.blog-actions {
  display: flex;
  justify-content: center;
  margin-top: 42px;
}

.blog-load-more {
  appearance: none;
  border: 0;
  min-width: 190px;
  min-height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 34px;
  border-radius: 4px;
  background: #078df2;
  color: #ffffff;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-load-more:hover {
  background: #057dd9;
  box-shadow: 0 12px 26px rgba(7, 141, 242, 0.22);
  transform: translateY(-1px);
}

.blog-load-more:focus-visible {
  outline: 3px solid rgba(7, 141, 242, 0.28);
  outline-offset: 4px;
}

.blog-load-more[hidden] {
  display: none !important;
}

@media (max-width: 1024px) {
  :root {
    --container-width: 920px;
    --overlap: 0px;
  }

  .blog-card__content,
  .blog-card.is-reverse .blog-card__content {
    padding: 34px 30px;
  }
}

@media (max-width: 767px) {
  .blog-section {
    padding: 20px 16px 42px;
  }

  .blog-list {
    gap: 30px;
  }

  .blog-card,
  .blog-card.is-reverse {
    display: flex;
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
  }

  .blog-card__media,
  .blog-card.is-reverse .blog-card__media {
    order: 1;
    width: 100%;
    grid-column: auto;
    aspect-ratio: 16 / 10;
    border-radius: 8px 8px 0 0;
  }

  .blog-card__content,
  .blog-card.is-reverse .blog-card__content {
    order: 2;
    grid-column: auto;
    justify-self: stretch;
    width: 100%;
    min-height: auto;
    padding: 28px 22px 30px;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 16px 34px rgba(14, 34, 90, 0.10);
  }

  .blog-card__meta {
    margin-bottom: 14px;
    font-size: 13px;
  }

  .blog-card__title {
    font-size: 22px;
    line-height: 1.32;
  }

  .blog-card__date {
    margin-top: 28px;
    font-size: 13px;
  }

  .blog-actions {
    margin-top: 32px;
  }

  .blog-load-more {
    width: 100%;
    min-height: 54px;
  }
}