/*
 * Version marker retained for the existing HTML includes.
 * All v1.5 visual rules now live in styles.css as one token-driven system.
 */

/* Projects page: brochure-backed portfolio */

body[data-page="projects"] .project-heading {
  display: block;
  max-width: 720px;
  margin-bottom: 34px;
}

body[data-page="projects"] .project-heading > p {
  max-width: 640px;
  margin-top: 16px;
  color: var(--yf-muted);
  font-size: 15px;
  line-height: 1.8;
}

body[data-page="projects"] .filter-bar {
  margin-bottom: 0;
}

body[data-page="projects"] .project-results {
  margin: 18px 0 34px;
  color: var(--yf-subtle);
  font-size: 12px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

body[data-page="projects"] .project-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 50px 28px;
}

body[data-page="projects"] .project-card,
body[data-page="projects"] .project-card:first-child {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  grid-column: auto;
  transition: transform 0.25s var(--yf-ease);
}

body[data-page="projects"] .project-card:hover,
body[data-page="projects"] .project-card:focus-within {
  transform: translateY(-3px);
}

body[data-page="projects"] .project-card:focus-within {
  outline: 2px solid var(--yf-brand);
  outline-offset: 6px;
}

body[data-page="projects"] .project-card > div {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #e7e8ea;
}

body[data-page="projects"] .project-card > div::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgb(12 17 24 / 0.14));
  content: "";
  pointer-events: none;
}

body[data-page="projects"] .project-card img,
body[data-page="projects"] .project-card:first-child img {
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
}

body[data-page="projects"] .project-card > p {
  margin-top: 16px;
  letter-spacing: 0.04em;
}

body[data-page="projects"] .project-card h3 {
  max-width: 34em;
  min-height: 4.2em;
  font-size: clamp(17px, 1.55vw, 21px);
  text-wrap: pretty;
}

body[data-page="projects"] .project-card small {
  color: var(--yf-body);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-top: auto;
  padding-top: 12px;
}

body[data-page="projects"] .project-card small::after {
  float: right;
  color: var(--yf-brand);
  content: "查看详情  ↗";
  font-weight: 600;
  letter-spacing: 0.02em;
}

body[data-page="projects"] .project-card__link {
  position: absolute;
  z-index: 3;
  inset: 0;
  cursor: pointer;
}

body[data-page="projects"] .project-ledger-section {
  padding-top: 10px;
}

body[data-page="projects"] .project-ledger-heading {
  max-width: 720px;
  margin-bottom: 52px;
}

body[data-page="projects"] .project-ledger-heading h2 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.04em;
}

body[data-page="projects"] .project-ledger-heading p {
  margin-top: 16px;
  color: var(--yf-muted);
  font-size: 15px;
  line-height: 1.8;
}

body[data-page="projects"] .project-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 64px 56px;
}

body[data-page="projects"] .project-ledger__group {
  padding-top: 22px;
  border-top: 1px solid var(--yf-line-strong);
}

body[data-page="projects"] .project-ledger__group h3 {
  margin-bottom: 24px;
  color: var(--yf-brand);
  font-size: 18px;
  font-weight: 600;
}

body[data-page="projects"] .project-ledger__group ul {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

body[data-page="projects"] .project-ledger__group li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 24px;
  color: var(--yf-body);
  font-size: 13px;
  line-height: 1.65;
}

body[data-page="projects"] .project-ledger__group li strong {
  color: var(--yf-ink);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* Shared article template: title, time or tags, and editable body */

.article-page {
  background: #fff;
}

.article-page .breadcrumb {
  background: #fff;
}

.article-template__header,
.article-template__body {
  max-width: 760px;
  margin-inline: auto;
}

.article-template__header {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--yf-line);
}

.article-template__header h1 {
  max-width: 20em;
  margin-top: 0;
  font-size: clamp(32px, 3.6vw, 46px);
  line-height: 1.35;
  text-wrap: balance;
}

.article-template__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-top: 22px;
  color: var(--yf-subtle);
  font-size: 12px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}

.article-template__meta > * + *::before {
  margin-inline: 12px;
  color: var(--yf-line-strong);
  content: "/";
}

.article-template__body {
  margin-top: 46px;
}

.article-template__content {
  color: var(--yf-body);
  font-size: 16px;
  line-height: 2;
}

.article-template__content p + p,
.article-template__content figure + p,
.article-template__content p + figure,
.article-template__content p + video,
.article-template__content p + iframe {
  margin-top: 28px;
}

.article-template__content figure {
  margin: 0 0 42px;
}

.article-template__content img,
.article-template__content video,
.article-template__content iframe {
  display: block;
  width: 100%;
  height: auto;
}

.article-template__content video,
.article-template__content iframe {
  aspect-ratio: 16 / 9;
  background: #111;
  border: 0;
}

.article-template__content figcaption {
  margin-top: 10px;
  color: var(--yf-subtle);
  font-size: 11px;
  line-height: 1.6;
}

.project-detail--empty {
  min-height: 56vh;
}

@media (max-width: 767px) {
  body[data-page="projects"] .project-heading {
    margin-bottom: 24px;
  }

  body[data-page="projects"] .filter-bar {
    gap: 22px;
  }

  body[data-page="projects"] .project-results {
    margin-bottom: 28px;
    text-align: left;
  }

  body[data-page="projects"] .project-card > div {
    aspect-ratio: 4 / 3;
  }

  body[data-page="projects"] .project-card h3 {
    min-height: 0;
  }

  body[data-page="projects"] .project-card small::after {
    display: block;
    float: none;
    margin-top: 10px;
  }

  body[data-page="projects"] .project-ledger {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  body[data-page="projects"] .project-ledger__group li {
    gap: 16px;
  }

  .article-template__header {
    padding-bottom: 26px;
  }

  .article-template__body {
    margin-top: 36px;
  }

  .article-template__content {
    font-size: 15px;
    line-height: 1.92;
  }

  .article-template__content figure {
    margin-bottom: 34px;
  }
}

@media (min-width: 768px) and (max-width: 1100px) {
  body[data-page="projects"] .project-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}