.yk-body {
  background:
    linear-gradient(135deg, rgba(245, 243, 254, 0.86) 0%, rgba(255, 255, 255, 0.96) 46%, rgba(242, 248, 217, 0.74) 100%);
}

.yk-page {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 1.18rem 0.34rem 0.72rem;
}

.yk-topnav .tn-left {
  display: flex;
  align-items: center;
  gap: 0.12rem;
}

.yk-blog-hero,
.yk-blog-featured,
.yk-hero,
.yk-directory-hero,
.yk-directory-shell,
.yk-category-hero,
.yk-cta-band,
.yk-home-knowledge {
  border: 1px solid rgba(124, 110, 245, 0.12);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 0.18rem 0.56rem rgba(64, 54, 140, 0.08);
  backdrop-filter: blur(14px);
}

.yk-blog-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(3.2rem, 0.74fr);
  gap: 0.38rem;
  align-items: center;
  padding: 0.58rem 0.62rem;
  border-radius: 0.34rem;
}

.yk-blog-hero-copy h1 {
  margin: 0.18rem 0 0;
  color: var(--gray-900);
  font-size: 0.6rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.yk-blog-hero-copy p {
  max-width: 7rem;
  margin: 0.22rem 0 0;
  color: var(--gray-700);
  font-size: 0.21rem;
  line-height: 1.72;
}

.yk-blog-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.14rem;
  margin-top: 0.34rem;
}

.yk-blog-hero-visual {
  position: relative;
  margin: 0;
  min-height: 3rem;
  border-radius: 0.28rem;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(245, 243, 254, 0.9), rgba(255, 255, 255, 0.9) 52%, rgba(242, 248, 217, 0.58));
}

.yk-blog-hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 3rem;
  object-fit: cover;
  object-position: center;
}

.yk-blog-featured {
  margin-top: 0.34rem;
  padding: 0.38rem 0.42rem;
  border-radius: 0.34rem;
}

.yk-blog-section-head {
  max-width: 8.2rem;
}

.yk-blog-section-head h2 {
  margin: 0.14rem 0 0;
  color: var(--gray-900);
  font-size: 0.34rem;
  line-height: 1.28;
  letter-spacing: 0;
}

.yk-blog-section-head p {
  margin: 0.12rem 0 0;
  color: var(--gray-600);
  font-size: 0.18rem;
  line-height: 1.7;
}

.yk-blog-pick-list {
  display: grid;
  margin-top: 0.28rem;
  border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.yk-blog-pick {
  display: grid;
  grid-template-columns: 0.52rem minmax(0, 1fr) auto;
  gap: 0.2rem;
  align-items: start;
  padding: 0.22rem 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

.yk-blog-pick:hover strong,
.yk-blog-pick:focus-visible strong {
  color: var(--purple-700);
}

.yk-blog-pick-index {
  color: var(--purple-500);
  font-size: 0.2rem;
  line-height: 1.45;
  font-weight: 800;
}

.yk-blog-pick-copy {
  display: grid;
  gap: 0.08rem;
  min-width: 0;
}

.yk-blog-pick-copy strong {
  color: var(--gray-900);
  font-size: 0.22rem;
  line-height: 1.38;
  letter-spacing: 0;
}

.yk-blog-pick-copy span {
  color: var(--gray-600);
  font-size: 0.16rem;
  line-height: 1.65;
}

.yk-blog-pick em {
  color: var(--gray-500);
  font-size: 0.14rem;
  line-height: 1.7;
  font-style: normal;
  white-space: nowrap;
}

.yk-blog-archive-head {
  margin-top: 0.44rem;
}

.yk-directory-hero {
  padding: 0.46rem 0.52rem;
  border-radius: 0.34rem;
}

.yk-directory-hero h1 {
  margin: 0.16rem 0 0;
  color: var(--gray-900);
  font-size: 0.46rem;
  line-height: 1.18;
  letter-spacing: 0;
}

.yk-directory-hero p {
  margin: 0.16rem 0 0;
  color: var(--gray-700);
  font-size: 0.19rem;
  line-height: 1.7;
}

.yk-directory-shell {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.34rem;
  margin-top: 0.34rem;
  padding: 0.34rem;
  border-radius: 0.34rem;
}

.yk-directory-shell-single {
  grid-template-columns: 1fr;
}

.yk-directory-nav {
  position: sticky;
  top: 0.9rem;
  align-self: start;
  display: grid;
  gap: 0.04rem;
  padding-right: 0.18rem;
  border-right: 1px solid rgba(26, 26, 26, 0.08);
}

.yk-directory-nav a {
  display: block;
  padding: 0.1rem 0.12rem;
  border-radius: 0.12rem;
  color: var(--gray-700);
  font-size: 0.16rem;
  font-weight: 600;
}

.yk-directory-nav a:hover {
  color: var(--purple-700);
  background: var(--purple-50);
}

.yk-directory-main {
  min-width: 0;
}

.yk-directory-section {
  padding: 0.08rem 0 0.3rem;
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

.yk-directory-section + .yk-directory-section {
  padding-top: 0.3rem;
}

.yk-directory-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.yk-directory-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.18rem;
}

.yk-directory-section-head span {
  display: block;
  color: var(--purple-700);
  font-size: 0.14rem;
  font-weight: 700;
}

.yk-directory-section-head h2 {
  margin: 0.04rem 0 0;
  color: var(--gray-900);
  font-size: 0.27rem;
  line-height: 1.28;
  letter-spacing: 0;
}

.yk-directory-section-head a {
  flex: none;
  color: var(--gray-500);
  font-size: 0.15rem;
  font-weight: 700;
}

.yk-directory-section > p {
  margin: 0.12rem 0 0;
  color: var(--gray-500);
  font-size: 0.16rem;
  line-height: 1.6;
}

.yk-directory-list {
  display: grid;
  gap: 0;
  margin: 0.18rem 0 0;
  padding: 0;
  list-style: none;
}

.yk-directory-item {
  border-top: 1px solid rgba(26, 26, 26, 0.07);
}

.yk-directory-item a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.18rem;
  align-items: start;
  padding: 0.16rem 0;
}

.yk-directory-item a:hover .yk-item-title {
  color: var(--purple-700);
}

.yk-item-title {
  display: block;
  min-width: 0;
  color: var(--gray-900);
  font-size: 0.19rem;
  font-weight: 700;
  line-height: 1.45;
}

.yk-item-summary {
  display: block;
  margin-top: 0.06rem;
  color: var(--gray-600);
  font-size: 0.15rem;
  line-height: 1.65;
}

.yk-item-meta {
  color: var(--gray-500);
  font-size: 0.14rem;
  white-space: nowrap;
}

.yk-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(2.8rem, 3.6rem);
  gap: 0.46rem;
  align-items: stretch;
  padding: 0.62rem;
  border-radius: 0.44rem;
}

.yk-eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  min-height: 0.32rem;
  padding: 0.06rem 0.14rem;
  border-radius: 999px;
  color: var(--purple-700);
  background: var(--purple-50);
  font-size: 0.15rem;
  font-weight: 700;
  letter-spacing: 0;
}

.yk-hero h1,
.yk-category-hero h1,
.yk-article-header h1 {
  margin: 0.18rem 0 0;
  color: var(--gray-900);
  font-size: 0.56rem;
  line-height: 1.14;
  letter-spacing: 0;
}

.yk-hero p,
.yk-category-hero p,
.yk-article-header p,
.yk-cta-band p {
  margin: 0.22rem 0 0;
  color: var(--gray-700);
  font-size: 0.2rem;
  line-height: 1.75;
}

.yk-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.14rem;
  margin-top: 0.34rem;
}

.yk-primary-link,
.yk-secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 0.5rem;
  padding: 0.14rem 0.24rem;
  border-radius: 999px;
  font-size: 0.17rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.yk-primary-link {
  color: var(--white);
  background: var(--gray-900);
  box-shadow: 0 0.12rem 0.28rem rgba(26, 26, 26, 0.16);
}

.yk-secondary-link {
  color: var(--gray-900);
  background: var(--green-500);
}

.yk-hero-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 3.24rem;
  padding: 0.34rem;
  border-radius: 0.32rem;
  background:
    linear-gradient(145deg, rgba(124, 110, 245, 0.12), rgba(184, 214, 46, 0.18)),
    var(--off-white);
}

.yk-panel-kicker {
  color: var(--purple-700);
  font-size: 0.16rem;
  font-weight: 700;
}

.yk-hero-panel strong {
  margin-top: 0.1rem;
  color: var(--gray-900);
  font-size: 0.58rem;
  line-height: 1;
}

.yk-hero-panel p {
  margin: 0.18rem 0 0;
  color: var(--gray-700);
  font-size: 0.18rem;
  line-height: 1.65;
}

.yk-section {
  margin-top: 0.62rem;
}

.yk-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 0.24rem;
  margin-bottom: 0.24rem;
}

.yk-section-head h2 {
  margin: 0.12rem 0 0;
  color: var(--gray-900);
  font-size: 0.34rem;
  line-height: 1.25;
}

.yk-category-grid,
.yk-article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.18rem;
}

.yk-category-card,
.yk-article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border-radius: 0.24rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(26, 26, 26, 0.06);
  box-shadow: 0 0.1rem 0.28rem rgba(26, 26, 26, 0.05);
}

.yk-category-card {
  min-height: 2.34rem;
  padding: 0.26rem;
}

.yk-category-card span,
.yk-card-tag {
  width: fit-content;
  padding: 0.05rem 0.12rem;
  border-radius: 999px;
  color: var(--purple-700);
  background: var(--purple-50);
  font-size: 0.14rem;
  font-weight: 700;
}

.yk-category-card h3,
.yk-article-card h3 {
  margin: 0.16rem 0 0;
  color: var(--gray-900);
  font-size: 0.24rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.yk-category-card p,
.yk-article-card p {
  margin: 0.12rem 0 0;
  color: var(--gray-700);
  font-size: 0.17rem;
  line-height: 1.65;
}

.yk-category-card strong {
  margin-top: auto;
  padding-top: 0.2rem;
  color: var(--green-700);
  font-size: 0.16rem;
}

.yk-article-card {
  min-height: 2.56rem;
  padding: 0.24rem;
}

.yk-article-card:hover,
.yk-category-card:hover {
  transform: translateY(-0.02rem);
  box-shadow: 0 0.16rem 0.38rem rgba(64, 54, 140, 0.10);
}

.yk-card-meta {
  display: flex;
  gap: 0.12rem;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.18rem;
  color: var(--gray-500);
  font-size: 0.14rem;
}

.yk-article-meta {
  margin-top: 0.18rem;
  color: var(--gray-500);
  font-size: 0.15rem;
}

.yk-category-hero {
  padding: 0.5rem;
  border-radius: 0.38rem;
}

.yk-back-link,
.yk-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.08rem;
  color: var(--purple-700);
  font-size: 0.16rem;
  font-weight: 700;
}

.yk-breadcrumb {
  margin-bottom: 0.26rem;
}

.yk-article-shell {
  width: min(100%, 820px);
  margin: 0 auto;
  padding: 0.44rem;
  border-radius: 0.34rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0.16rem 0.48rem rgba(26, 26, 26, 0.07);
}

.yk-article-header {
  padding-bottom: 0.32rem;
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

.yk-article-header h1 {
  font-size: 0.46rem;
}

.yk-prose {
  margin-top: 0.34rem;
  color: var(--gray-800, #333333);
  font-size: 0.19rem;
  line-height: 1.85;
}

.yk-prose h2,
.yk-prose h3,
.yk-prose h4 {
  color: var(--gray-900);
  line-height: 1.35;
  letter-spacing: 0;
}

.yk-prose h2 {
  margin: 0.42rem 0 0.14rem;
  font-size: 0.3rem;
}

.yk-prose h3 {
  margin: 0.34rem 0 0.12rem;
  font-size: 0.24rem;
}

.yk-prose h4 {
  margin: 0.3rem 0 0.1rem;
  font-size: 0.21rem;
}

.yk-prose p {
  margin: 0.14rem 0;
}

.yk-prose ul,
.yk-prose ol {
  margin: 0.14rem 0 0.18rem;
  padding-left: 0.28rem;
}

.yk-prose li + li {
  margin-top: 0.08rem;
}

.yk-prose strong {
  color: var(--gray-900);
}

.yk-prose code {
  padding: 0.02rem 0.08rem;
  border-radius: 0.08rem;
  background: var(--purple-50);
  color: var(--purple-700);
  font-size: 0.16rem;
}

.yk-prose pre {
  overflow-x: auto;
  margin: 0.22rem 0;
  padding: 0.22rem;
  border-radius: 0.18rem;
  background: #20202a;
  color: #f7f7fb;
  font-size: 0.15rem;
  line-height: 1.7;
}

.yk-prose pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.yk-download-panel {
  margin-top: 0.3rem;
  padding: 0.28rem;
  border-radius: 0.22rem;
  background: linear-gradient(135deg, var(--green-100), rgba(245, 243, 254, 0.84));
  border: 1px solid rgba(184, 214, 46, 0.42);
}

.yk-download-panel h2 {
  margin: 0;
  color: var(--gray-900);
  font-size: 0.25rem;
  line-height: 1.35;
}

.yk-download-panel p {
  margin: 0.12rem 0 0.18rem;
  color: var(--gray-700);
  font-size: 0.17rem;
  line-height: 1.65;
}

.yk-download-list {
  display: grid;
  gap: 0.1rem;
  margin-top: 0.16rem;
}

.yk-download-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.16rem;
  padding: 0.14rem 0.16rem;
  border-radius: 0.16rem;
  background: rgba(255, 255, 255, 0.72);
  color: var(--gray-900);
  font-size: 0.16rem;
}

.yk-download-row strong {
  flex: none;
  color: var(--gray-500);
  font-size: 0.14rem;
}

.yk-cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.28rem;
  margin-top: 0.64rem;
  padding: 0.4rem;
  border-radius: 0.34rem;
}

.yk-cta-band h2 {
  margin: 0.14rem 0 0;
  color: var(--gray-900);
  font-size: 0.32rem;
  line-height: 1.32;
}

.yk-home-knowledge {
  margin: 0.18rem auto 0.74rem;
  padding: 0.3rem;
  border-radius: 0.34rem;
}

.yk-home-knowledge-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.28rem;
  align-items: center;
}

.yk-home-knowledge h2 {
  margin: 0.12rem 0 0;
  color: var(--gray-900);
  font-size: 0.32rem;
  line-height: 1.3;
}

.yk-home-knowledge p {
  margin: 0.12rem 0 0;
  color: var(--gray-700);
  font-size: 0.18rem;
  line-height: 1.65;
}

.yk-home-knowledge-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.12rem;
}

@media (max-width: 900px) {
  .yk-page {
    padding-top: 1.1rem;
  }

  .yk-blog-hero,
  .yk-hero,
  .yk-home-knowledge-inner {
    grid-template-columns: 1fr;
  }

  .yk-blog-hero {
    padding: 0.4rem;
  }

  .yk-blog-hero-visual {
    min-height: 2.8rem;
  }

  .yk-directory-shell {
    grid-template-columns: 1fr;
  }

  .yk-directory-nav {
    position: static;
    display: flex;
    overflow-x: auto;
    padding: 0 0 0.14rem;
    border-right: 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.08);
  }

  .yk-directory-nav a {
    flex: none;
  }

  .yk-category-grid,
  .yk-article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yk-home-knowledge-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .yk-page {
    padding: 1.18rem 0.2rem 0.54rem;
  }

  .yk-blog-hero,
  .yk-blog-featured,
  .yk-hero,
  .yk-directory-hero,
  .yk-directory-shell,
  .yk-category-hero,
  .yk-article-shell,
  .yk-cta-band,
  .yk-home-knowledge {
    border-radius: 0.26rem;
  }

  .yk-blog-hero,
  .yk-blog-featured,
  .yk-hero,
  .yk-directory-hero,
  .yk-directory-shell,
  .yk-category-hero,
  .yk-article-shell,
  .yk-cta-band {
    padding: 0.28rem;
  }

  .yk-blog-hero-copy h1,
  .yk-hero h1,
  .yk-directory-hero h1,
  .yk-category-hero h1,
  .yk-article-header h1 {
    font-size: 0.38rem;
  }

  .yk-blog-hero-copy p,
  .yk-hero p,
  .yk-directory-hero p,
  .yk-category-hero p,
  .yk-article-header p,
  .yk-cta-band p {
    font-size: 0.18rem;
  }

  .yk-blog-hero-actions {
    display: grid;
  }

  .yk-blog-hero-actions .yk-primary-link,
  .yk-blog-hero-actions .yk-secondary-link {
    width: 100%;
  }

  .yk-blog-hero-visual,
  .yk-blog-hero-visual img {
    min-height: 2.2rem;
  }

  .yk-blog-section-head h2 {
    font-size: 0.28rem;
  }

  .yk-blog-pick {
    grid-template-columns: 1fr;
    gap: 0.08rem;
  }

  .yk-blog-pick-index {
    font-size: 0.16rem;
  }

  .yk-blog-pick em {
    white-space: normal;
  }

  .yk-hero-panel {
    min-height: 2.4rem;
  }

  .yk-section-head {
    display: block;
  }

  .yk-category-grid,
  .yk-article-grid {
    grid-template-columns: 1fr;
  }

  .yk-article-card,
  .yk-category-card {
    min-height: 0;
  }

  .yk-prose {
    font-size: 0.18rem;
  }

  .yk-directory-item a {
    grid-template-columns: 1fr;
    gap: 0.04rem;
    padding: 0.15rem 0;
  }

  .yk-item-meta {
    white-space: normal;
  }

  .yk-cta-band {
    display: block;
  }

  .yk-cta-band .yk-primary-link {
    margin-top: 0.22rem;
    width: 100%;
  }

  .yk-download-row {
    display: block;
  }

  .yk-download-row strong {
    display: block;
    margin-top: 0.06rem;
  }
}