/* Paper surfaces mark entry points, editorial content, and decision summaries. */
:root {
  --paper: #f1f2ef;
  --paper-hover: #fafbf8;
  --paper-ink: #202421;
  --paper-muted: #59615c;
  --paper-line: #cdd2cc;
}

/* Home: bright accents repeat through the scroll without changing the dark stage. */
.coaching-home .home-section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 30px;
  border: 1px solid #4a4e51;
  border-radius: 4px;
  color: #eff1ed;
  font-size: 15px;
  letter-spacing: -.025em;
}
.coaching-home .home-editorial-heading p { color: #acb1b5; }
.coaching-home .home-resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.coaching-home .home-resource { background: #191c1f; border-color: #373c40; }
.coaching-home .home-resource[href]:hover { background: #23272a; border-color: #80888b; }
.coaching-home .home-resource-label { color: #aeb5b9; }
.coaching-home .home-resource:first-child {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--paper-ink);
}
.coaching-home .home-resource:first-child[href]:hover { background: var(--paper-hover); border-color: var(--paper-hover); }
.coaching-home .home-resource:first-child .home-resource-symbol,
.coaching-home .home-resource:first-child h3 > span { color: var(--paper-ink); }
.coaching-home .home-resource:first-child .home-resource-label { color: var(--paper-muted); }
.coaching-home .home-article:nth-child(odd) .home-article-cover {
  background: var(--paper);
  border-color: var(--paper);
}
.coaching-home .home-article:nth-child(odd) .home-article-cover > span { color: var(--paper-muted); }
.coaching-home .home-article:nth-child(odd) .home-article-cover strong { color: #d2d7d1; }
.coaching-home .home-article:nth-child(odd) .home-article-cover i { color: var(--paper-ink); }
.coaching-home .home-article:nth-child(odd):hover .home-article-cover { background: var(--paper-hover); border-color: var(--paper-hover); }
.coaching-home .home-content-meta { color: #a0a8b2; }
.coaching-home .home-service {
  position: relative;
  background: var(--paper);
  border-color: var(--paper);
  color: var(--paper-ink);
  padding: 32px;
  transition: background .2s, border-color .2s;
}
.coaching-home .home-service[href]:hover { background: var(--paper-hover); border-color: var(--paper-hover); }
.coaching-home .home-service .home-content-meta,
.coaching-home .home-service p { color: var(--paper-muted); }
.coaching-home .home-service h3 { margin-top: 18px; }
.coaching-home .home-service .home-read {
  align-self: flex-start;
  padding: 11px 16px;
  margin-top: 26px;
  border-radius: 4px;
  background: var(--paper-ink);
  color: var(--paper);
}
.coaching-home :is(.home-resource, .home-service):focus-visible {
  outline: 2px solid #fff;
  outline-offset: 5px;
}

/* Library: search and selection are light; reading covers carry the same paper. */
.knowledge-page .kb-category[aria-current=page] {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--paper-ink);
}
.knowledge-page .kb-category[aria-current=page] :is(.kb-category-symbol, small) { color: var(--paper-muted); }
.knowledge-page .kb-search {
  color-scheme: light;
  background: var(--paper);
  border-color: var(--paper);
}
.knowledge-page .kb-search input { color: var(--paper-ink); caret-color: var(--paper-ink); }
.knowledge-page .kb-search input::placeholder,
.knowledge-page .kb-search > span,
.knowledge-page .kb-search button { color: var(--paper-muted); }
.knowledge-page .kb-search:focus-within { border-color: #fff; outline: 2px solid #fff; outline-offset: 3px; }
.knowledge-page .kb-total {
  background: var(--paper);
  padding: 14px 18px;
  border-radius: 4px;
}
.knowledge-page .kb-total strong { color: var(--paper-ink); }
.knowledge-page .kb-total span { color: var(--paper-muted); }
.knowledge-page .kb-type-cover:is([data-type="字体"], [data-type="书籍"], [data-type="设计手册"], [data-type="B 端文章"]) {
  background: var(--paper);
}
.knowledge-page .kb-type-cover:is([data-type="字体"], [data-type="书籍"], [data-type="设计手册"], [data-type="B 端文章"]) small { color: var(--paper-muted); }
.knowledge-page .kb-type-cover:is([data-type="字体"], [data-type="书籍"], [data-type="设计手册"], [data-type="B 端文章"]) strong { color: #bbc4ba; }
.knowledge-page .kb-type-cover:is([data-type="字体"], [data-type="书籍"], [data-type="设计手册"], [data-type="B 端文章"]) > span { color: var(--paper-ink); }
.knowledge-page .kb-card { border-color: #343b42; }
.knowledge-page .kb-card:hover { border-color: #9da9ae; }

/* Course: make the service facts and fee summary easy to locate and read. */
.course-detail .co-at-a-glance {
  background: var(--paper);
  border: 1px solid var(--paper);
  border-radius: 6px;
  padding: 24px;
}
.course-detail .co-at-a-glance dt { color: var(--paper-muted); }
.course-detail .co-at-a-glance dd { color: var(--paper-ink); }
.course-detail .co-fees { background: var(--paper); border-color: var(--paper); color: var(--paper-ink); }
.course-detail .co-fees-head { border-color: var(--paper-line); color: var(--paper-muted); }
.course-detail .co-fees-core { background: none; }
.course-detail .co-fees-core > span,
.course-detail .co-fees-core p { color: var(--paper-muted); }
.course-detail .co-fees-core h3,
.course-detail .co-fees dt { color: var(--paper-ink); }
.course-detail .co-fees dd { color: var(--paper-muted); }
.course-detail .co-fees dl > div { border-color: var(--paper-line); }
.course-detail .co-fees-total { background: #e0e5de; border-color: var(--paper-line); color: var(--paper-ink); }
.course-detail .co-fees-total > span { color: var(--paper-ink); }
.course-detail .co-purchase { background: var(--paper); border-color: var(--paper); color: var(--paper-ink); }
.course-detail .co-purchase :is(.co-price-label, .co-price-period),
.course-detail .co-purchase > a { color: var(--paper-muted); }
.course-detail .co-purchase .button.light { background: var(--paper-ink); border-color: var(--paper-ink); color: var(--paper); }
.course-detail .co-purchase .button.light:hover { background: #3a443d; }
.course-detail .co-purchase a:focus-visible { outline: 2px solid var(--paper-ink); outline-offset: 3px; }

@media (max-width: 650px) {
  .coaching-home .home-service { padding: 24px; }
}
@media (max-width: 540px) {
  .course-detail .co-at-a-glance { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .coaching-home .home-service { transition: none; }
}