@charset "utf-8";
/* blog-header.css · 博客列表和文章页的标题区域 */

.blog-head {
  position: relative;
  z-index: 1;
  padding-block-start: clamp(104px, 15vh, 160px);
  padding-block-end: clamp(32px, 5vw, 64px);
}

.blog-head__title {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  letter-spacing: -0.01em;
}

.blog-head__line {
  display: block;
  overflow: hidden;
  padding-block-end: 0.1em;
  margin-block-end: -0.1em;
}

.blog-head__line-in {
  display: block;
  will-change: translate;
}

.js .blog-head__line-in {
  translate: 0 110%;
  transition: translate 0.7s var(--ease);
}

.js .blog-head__line:nth-child(1) .blog-head__line-in {
  transition-delay: 40ms;
}

.js .blog-head__line:nth-child(2) .blog-head__line-in {
  transition-delay: 130ms;
}

.js .is-loaded .blog-head__line-in {
  translate: 0 0;
}

.js .blog-head__sub {
  opacity: 0;
  translate: 0 14px;
  transition:
    opacity 0.56s var(--ease),
    translate 0.56s var(--ease);
  transition-delay: 250ms;
}

.js .is-loaded .blog-head__sub {
  opacity: 1;
  translate: 0 0;
}

.is-settled .blog-head__line-in,
.is-settled .blog-head__sub {
  opacity: 1 !important;
  translate: none !important;
  transition: none !important;
}

.blog-head__sub {
  margin-block-start: var(--s-4);
  max-width: 34em;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.75;
  color: var(--fg-2);
}

.blog-head--post {
  padding-block-start: 0;
  padding-block-end: var(--s-5);
}

@media (max-width: 400px) {
  .blog-head {
    padding-block-start: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js .blog-head__line-in,
  .js .is-loaded .blog-head__line-in {
    translate: none !important;
    transition: none !important;
  }

  .js .blog-head__sub,
  .js .is-loaded .blog-head__sub {
    opacity: 1 !important;
    translate: none !important;
    transition: none !important;
  }
}