.page-hero { padding-block: 90px 64px; text-align: center; }
.page-hero h1 { font-size: clamp(36px,4vw,56px); line-height: 1.35; letter-spacing: -.035em; font-weight: 600; }
.page-hero > p { margin: 24px auto 0; max-width: 670px; font-size: 17px; line-height: 1.9; color: var(--color-text-600); text-wrap: balance; }
body[data-page="about"] .interior-main { padding-top: 0; }
.about-hero { position: relative; isolation: isolate; }
.about-hero__media { position: absolute; z-index: -1; inset: 0; overflow: hidden; pointer-events: none; background: #b9dafa url('../images/bluesky-poster.jpg') center / cover no-repeat; }
.about-hero__video { width: 100%; height: 100%; object-fit: cover; object-position: center; }

.about-hero .page-hero { min-height: 520px; display: flex; flex-direction: column; justify-content: center; padding-block: 144px 96px; }
.about-hero .page-hero > p { color: var(--color-text-900); }
@media(max-width:800px) {
  .about-hero .page-hero { min-height: 480px; padding-block: 128px 88px; }
}
@media(max-width:520px) {
  .about-hero .page-hero { min-height: 460px; padding-block: 112px 84px; }
}
.editorial-split { display: grid; grid-template-columns: .95fr 1.3fr; gap: 110px; align-items: start; }
.editorial-split h2 { font-size: 32px; font-weight: 500; line-height: 42px; letter-spacing: -.02em; text-wrap: balance; }
.editorial-copy p, .section-intro { color: var(--color-text-600); font-size: 16px; line-height: 1.95; }
.editorial-copy p + p { margin-top: 22px; }
.section-intro { margin-top: 22px; }
.section-intro + .button-outline { margin-top: 30px; }
.method-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.method-columns article { position: relative; padding: 40px; border-radius: 20px; background: #fff; box-shadow: var(--shadow-control); }
.method-columns article::after { content: ''; position: absolute; inset: auto 0 0; height: 130px; border-radius: 0 0 20px 20px; background: linear-gradient(0deg,#edf3ff,transparent); pointer-events: none; }
.method-columns article:nth-child(2)::after { background: linear-gradient(0deg,#eef6f6,transparent); }
.method-columns h3 { font-size: 24px; font-weight: 500; line-height: 1.5; margin-top: 28px; }
.method-columns p { margin-top: 16px; color: var(--color-text-600); font-size: 16px; line-height: 27px; max-width: 430px; }
.method-columns ul { display: grid; gap: 14px; margin: 28px 0 34px; }
.method-columns li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--color-text-600); line-height: 26px; }
.method-columns li::before { content: ''; flex-shrink: 0; width: 5px; height: 5px; border-radius: 50%; background: #83a6d9; }
.method-columns a { position: relative; z-index: 1; }
.method-columns--plain h3 { margin-top: 0; font-size: 23px; }
.method-columns--plain ul { margin-bottom: 0; }
.service-directory { border-top: 1px solid #dfe6f0; }
.service-directory > a { display: flex; gap: 22px; align-items: center; padding: 27px 4px; border-bottom: 1px solid #dfe6f0; }
.service-directory > a > img { flex-shrink: 0; }
.service-directory h3 { font-size: 19px; font-weight: 500; line-height: 1.5; }
.service-directory p { margin-top: 8px; color: var(--color-text-500); font-size: 15px; line-height: 25px; }
.service-directory > a > .link-arrow { margin-left: auto; opacity: .65; }
.service-directory a:hover h3 { color: var(--color-brand); }
.support-stages { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; padding-bottom: 64px; }
.support-stages > a { display: flex; flex-direction: column; padding: 30px 26px; min-height: 310px; border-radius: 20px; background: linear-gradient(160deg,#fff 50%,#edf3ff); box-shadow: var(--shadow-control); transition: transform .2s; }
.support-stages > a:nth-child(2n) { background: linear-gradient(160deg,#fff 50%,#edf6f6); }
.support-stages > a:hover { transform: translateY(-2px); }
.support-stages > a[aria-current="step"] { outline: 1px solid #b8cef0; }
.support-stages > a[aria-current="step"] h2 { color: var(--color-brand); }
.support-stages h2 { font-size: 21px; font-weight: 500; line-height: 1.5; margin-top: 36px; }
.support-stages p { margin-block: 14px 26px; color: var(--color-text-600); font-size: 16px; line-height: 26px; }
.support-stages .button-outline { margin-top: auto; }
.preparation-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); background: #fff; border-radius: 20px; box-shadow: var(--shadow-control); padding: 12px; }
.preparation-grid article { padding: 30px; border-right: 1px solid #e9edf5; }
.preparation-grid article:last-child { border: 0; }
.preparation-grid h3 { font-size: 22px; font-weight: 500; margin-top: 28px; }
.preparation-grid p { margin-top: 14px; color: var(--color-text-600); font-size: 16px; line-height: 26px; }
@media(max-width:1180px) {
  .support-stages > a { min-height: 280px; }
}
@media(max-width:1100px) {
  .editorial-split { gap: 55px; }
}
@media(max-width:800px) {
  .page-hero { padding-block: 64px 48px; }
  .editorial-split { grid-template-columns: 1fr; gap: 34px; }
  .editorial-split h2 { font-size: 32px; }
  .method-columns article { padding: 30px; }
  .method-columns h3 { font-size: 23px; }
  .preparation-grid article { padding: 24px 18px; }
}
@media(max-width:520px) {
  .page-hero { padding-block: 50px 36px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero > p { font-size: 15px; margin-top: 20px; }
  .page-hero > p br { display: none; }
  .editorial-split h2 { font-size: 27px; }
  .editorial-copy p, .section-intro { font-size: 15px; }
  .method-columns, .support-stages, .preparation-grid { grid-template-columns: 1fr; }
  .method-columns article { padding: 28px; }
  .support-stages { gap: 14px; padding-bottom: 48px; }
  .support-stages > a { min-height: 0; padding: 26px; }
  .support-stages h2 { margin-top: 24px; }
  .preparation-grid article { padding: 26px; border-right: 0; border-bottom: 1px solid #e9edf5; }
  .service-directory > a { gap: 16px; padding-block: 23px; }
  .service-directory h3 { font-size: 17px; }
}
.case-library { padding-bottom: 20px; }
.article-header { padding-top: 32px; padding-bottom: 40px; }
.article-header .breadcrumb { margin-bottom: 38px; }
.article-header h1 { max-width: 940px; margin-top: 24px; font-size: clamp(34px,3.5vw,48px); line-height: 1.4; font-weight: 500; letter-spacing: -.025em; text-wrap: balance; }
.article-header > p { max-width: 780px; margin-top: 24px; color: var(--color-text-600); font-size: 17px; line-height: 1.9; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.article-tags > span { padding: 5px 12px; border-radius: 6px; background: #e8eef9; color: var(--color-text-500); font-size: 12px; line-height: 20px; }
.article-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 28px; color: var(--color-text-500); font-size: 14px; line-height: 24px; align-items: center; }
.article-cover{ position: relative; height: 420px; overflow: hidden; border-radius: 20px; }
.article-cover img { display: block; width: 100%; height: 100%; object-fit: cover; }
.article-cover figcaption{ position: absolute; left: 30px; bottom: 24px; padding: 8px 14px; border: 1px solid #ffffff66; border-radius: 30px; color: #557695; font-size: 12px; background: #ffffffa3; }
.reading-column { width: min(780px,calc(100% - 80px)); margin: 0 auto; padding-block: 56px 80px; }
.prose { font-size: 17px; line-height: 30px; color: var(--color-text-600); text-wrap: pretty; }
.prose section { margin-block: 44px; }
.prose > section:first-child { margin-top: 0; }
.prose > section:last-of-type { margin-bottom: 0; }
.prose h2 { color: var(--color-text-900); font-size: 28px; line-height: 40px; font-weight: 500; margin-bottom: 20px; letter-spacing: -.02em; }
.prose h3 { color: var(--color-text-700); font-size: 19px; line-height: 28px; font-weight: 500; }
.prose p + p { margin-top: 20px; }
.prose a:not(.button-outline):not(.article-pagination a) { color: var(--color-brand-hover); }
.prose a:not(.button-outline):not(.article-pagination a):hover { text-decoration: underline; text-underline-offset: 4px; }
.prose blockquote { margin: 30px 0; border-left: 2px solid #96b8e9; padding: 16px 24px; color: #486994; font-size: 22px; line-height: 1.8; background: linear-gradient(90deg,#eaf0fa,transparent); }
.reading-note { padding: 24px 28px; border-radius: 12px; background: #eaf0fa; font-size: 15px; line-height: 26px; }
.reading-note strong { display: block; font-weight: 500; color: #57759e; margin-bottom: 8px; }
.article-points { border-top: 1px solid #dfe6f0; }
.article-points > div { padding: 24px 0; border-bottom: 1px solid #dfe6f0; }
.article-points p { margin-top: 10px; font-size: 16px; line-height: 28px; }
.article-steps { padding-left: 24px; }
.article-steps li { margin-block: 26px; padding-left: 10px; }
.article-steps li::marker { color: #89a5cd; font-size: 16px; }
.article-steps p { margin-top: 8px; }
.table-scroll { overflow-x: auto; margin-top: 26px; border-radius: 12px; background: #fff; box-shadow: var(--shadow-control); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 26px; text-align: left; }
.prose th, .prose td { padding: 18px 20px; border-bottom: 1px solid #e9edf5; vertical-align: top; min-width: 130px; }
.prose th { background: #eef3fb; color: var(--color-text-600); font-weight: 500; }
.prose tbody tr:last-child > * { border-bottom: 0; }
.prose caption { padding: 16px 20px; font-size: 12px; text-align: left; color: var(--color-text-500); }
.prose section > .button-outline { margin-top: 18px; }
.article-pagination { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 40px; margin-top: 48px; padding-top: 30px; border-top: 1px solid #dce4ef; }
.article-pagination a { display: flex; flex-direction: column; gap: 12px; color: var(--color-text-700); }
.article-pagination__direction { display: flex; align-items: center; gap: 10px; color: var(--color-text-500); font-size: 14px; line-height: 24px; }
.article-pagination strong { font-size: 17px; line-height: 28px; font-weight: 500; }
.article-pagination a:hover strong { color: var(--color-brand); }
.article-pagination__next { text-align: right; }
.article-pagination__next .article-pagination__direction { justify-content: flex-end; }
.article-pagination__next .link-arrow { transform: rotate(45deg); }
.article-bottom { margin-top: 40px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-top: 30px; border-top: 1px solid #dce4ef; font-size: 14px; }
.article-bottom a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; }
.news-article .article-header { padding-block: 40px 48px; }
.news-article .breadcrumb { margin-bottom: 48px; }
.news-article__heading { max-width: 1000px; margin-inline: auto; text-align: center; }
.news-article .article-tags, .news-article .article-meta { justify-content: center; }
.news-article .article-header h1 { max-width: none; margin: 24px auto 0; }
.news-article__title-main, .news-article__title-sub { display: block; }
.news-article__summary { max-width: 740px; margin: 24px auto 0; color: var(--color-text-600); font-size: 17px; line-height: 30px; text-wrap: balance; }
.news-article .article-meta { gap: 12px 24px; }
.news-article .article-meta > span { white-space: nowrap; }
.news-article .article-cover { height: clamp(260px,25vw,360px); }
.news-article__opening { font-size: 18px; line-height: 32px; }
.news-article .prose h2 { text-wrap: balance; }
.news-article__takeaway { margin-block: 32px 48px; }
.news-article__takeaway strong { font-size: 18px; line-height: 28px; color: var(--color-text-800); }
.news-article .article-points + p { margin-top: 24px; }
.news-article__table-note { margin-top: 16px; color: var(--color-text-500); font-size: 14px; line-height: 26px; }
.news-article__questions { margin-block: 24px; }
.news-article__questions > div { padding-block: 24px; border-bottom: 1px solid #dfe6f0; }
.news-article__questions > div:first-child { padding-top: 0; }
.news-article__questions dt { color: var(--color-text-700); font-size: 19px; line-height: 28px; font-weight: 500; }
.news-article__questions dd { margin: 10px 0 0; }
.news-article__list { padding-left: 22px; margin-block: 24px; }
.news-article__list li { padding-left: 6px; margin-block: 18px; }
.news-article__list li::marker { color: #83a6d9; }
.news-article__list strong { color: var(--color-text-700); font-weight: 500; }
.legal-main { padding-bottom: 80px; }
.legal-paper { width: min(920px,calc(100% - 80px)); padding: 50px 65px; border-radius: 20px; background: #fff; box-shadow: var(--shadow-control); }
.sitemap-groups { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 60px 54px; padding: 12px 0 100px; }
.sitemap-groups > section { padding: 28px; border-radius: 20px; background: #fff; box-shadow: var(--shadow-control); }
.sitemap-groups h2 { font-size: 24px; font-weight: 500; padding-bottom: 24px; border-bottom: 1px solid #dbe3ef; }
.sitemap-groups ul { padding-top: 16px; }
.sitemap-groups li a { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 48px; padding: 12px 0; font-size: 16px; color: var(--color-text-600); }
.sitemap-groups li a:hover { color: var(--color-brand); }
.sitemap-groups .link-arrow { opacity: .65; }
@media(max-width:800px) {
  .news-article .article-header { padding-block: 30px 36px; }
  .news-article .breadcrumb { margin-bottom: 36px; }
  .article-header { padding-top: 30px; }
  .article-header .breadcrumb { margin-bottom: 28px; }
  .article-cover{ height: 340px; }
  .sitemap-groups { grid-template-columns: 1fr 1fr; gap: 44px 36px; }
  .legal-paper { padding: 36px; }
}
@media(prefers-reduced-motion:reduce) {
  .support-stages > a { transition: none; }
  .support-stages > a:hover { transform: none; }
}
@media(max-width:520px) {
  .news-article .article-header { padding-block: 24px 32px; }
  .news-article .breadcrumb { margin-bottom: 28px; }
  .news-article .article-header h1 { font-size: clamp(24px,7.2vw,30px); line-height: 1.45; }
  .news-article__title-main > span { display: block; }
  .news-article__summary { font-size: 15px; line-height: 27px; margin-top: 20px; }
  .news-article .article-meta { gap: 8px 16px; margin-top: 22px; font-size: 12px; }
  .news-article .article-cover { height: 200px; }
  .news-article__opening { font-size: 16px; line-height: 29px; }
  .news-article__takeaway { margin-block: 28px 36px; }
  .news-article__questions dt { font-size: 18px; line-height: 28px; }
  .article-header h1 { font-size: 30px; }
  .article-header h1 br { display: none; }
  .article-header > p { font-size: 15px; }
  .article-meta { gap: 8px 18px; }
  .article-cover{ height: 260px; }
  .article-cover figcaption{ left: 16px; bottom: 16px; font-size: 12px; line-height: 18px; }
  .reading-column { width: calc(100% - 40px); padding-block: 32px 50px; }
  .prose { font-size: 16px; line-height: 29px; }
  .prose h2 { font-size: 24px; line-height: 34px; }
  .prose section { margin-block: 32px; }
  .prose blockquote { font-size: 18px; padding: 14px 20px; }
  .reading-note { padding: 20px; font-size: 14px; line-height: 24px; }
  .prose th, .prose td { padding: 14px 16px; }
  .table-scroll--wide caption::after { content: ' · 可左右滑动查看'; }
  .legal-paper { padding: 24px 20px; }
  .sitemap-groups { grid-template-columns: 1fr; gap: 36px; padding-bottom: 70px; }
  .sitemap-groups > section { padding: 24px; }
  .sitemap-groups h2 { font-size: 23px; }
}

@media(max-width:520px) {
  .article-pagination { grid-template-columns: 1fr; gap: 24px; margin-top: 36px; padding-top: 24px; }
  .article-pagination__next { padding-top: 24px; border-top: 1px solid #dce4ef; text-align: left; }
  .article-pagination__next .article-pagination__direction { justify-content: flex-start; }
  .article-pagination strong { font-size: 16px; line-height: 27px; }
}