/* style.css — 页面级布局（首页 / 分类页 / 详情页）
   组件与变量分别在 components.css、tokens.css。 */

/* ================= 首页 ================= */

.hero { padding-block: clamp(40px, 5vw, 72px) clamp(32px, 4vw, 48px); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero-copy { max-width: 544px; }

.hero h1 {
  margin-top: 16px;
  text-wrap: balance;
  font-size: var(--text-hero);
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.hero h1 .dot { color: var(--green); }

.hero-lede {
  margin-top: 25.6px;
  max-width: 544px;
  color: var(--ink-soft);
  font-size: var(--text-lg);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13.6px;
  margin-top: 35.2px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 35.2px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--muted);
}
.hero-facts strong {
  display: block;
  margin-bottom: 2.4px;
  font-family: var(--font-serif);
  font-size: 17.6px;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 600;
}

.hero-media { position: relative; }
.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.hero-media::before {
  content: "";
  position: absolute;
  inset: -14px 14px 14px -14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.hero-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 7.2px 12.8px;
  background: color-mix(in srgb, var(--paper-raised) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--text-xs);
  color: var(--muted);
  letter-spacing: 0.08em;
  backdrop-filter: blur(6px);
}

/* ---------- 分类网格 ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.category-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.category-card .thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-deep);
}
.category-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}
.category-card:hover .thumb img { transform: scale(1.04); }

.category-card .body {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18.4px 19.2px;
}

.category-card h3 { font-size: 19.2px; margin-bottom: 5.6px; }
.category-card p { color: var(--muted); font-size: var(--text-sm); line-height: 1.7; }
.category-card .index {
  font-family: var(--font-serif);
  font-size: var(--text-xs);
  color: var(--accent);
  letter-spacing: 0.1em;
  padding-top: 3.2px;
}

/* ---------- 编辑推荐 + 最新笔记 ---------- */
.band {
  background: linear-gradient(180deg, color-mix(in srgb, var(--paper-deep) 55%, transparent), transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.band-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
}

.picks { display: grid; gap: 16px; }

.pick-main {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--green);
  color: var(--white);
  min-height: 320px;
}
.pick-main img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease);
}
.pick-main:hover img { transform: scale(1.03); }
.pick-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 30, 22, 0) 34%, rgba(20, 30, 22, 0.78) 100%);
}
.pick-main .content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8.8px;
  min-height: 320px;
  padding: 24px;
}
.pick-main .tag { align-self: flex-start; border-color: transparent; background: rgba(255, 253, 248, 0.92); color: var(--green); }
.pick-main h3 { font-size: clamp(21.6px, 2.2vw, 28px); line-height: 1.35; }
.pick-main p { font-size: var(--text-sm); color: rgba(255, 253, 248, 0.82); max-width: 44ch; }

.pick-row { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }

.pick-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14.4px;
  align-items: center;
  padding: 9.6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.pick-item:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.pick-item img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--paper-deep);
}
.pick-item h3 { font-size: 16px; line-height: 1.45; }
.pick-item p { margin-top: 3.2px; color: var(--muted); font-size: var(--text-xs); line-height: 1.6; }

.latest-head { margin-bottom: 20px; }

.latest-list { border-top: 1px solid var(--line); }

.latest-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 16px;
  padding: 16px 3.2px;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--dur) var(--ease), color var(--dur) var(--ease);
}
.latest-item:hover { padding-left: 9.6px; color: var(--green); }
.latest-item h3 { font-size: 16.32px; line-height: 1.5; }
.latest-item .tag { justify-self: start; }

/* ---------- 毛型表 ---------- */
.type-table-block .section-lede { max-width: 70ch; }
.type-table-block .table-wrap { margin-top: 28px; }

/* ---------- 四步流程 ---------- */
.steps-block {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 28px;
  margin-top: 32px;
}

.step {
  padding-top: 16px;
  border-top: 2px solid var(--green);
}
.step .num {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 6.4px;
}
.step h3 { font-size: 17.6px; margin-bottom: 5.6px; }
.step p { color: var(--muted); font-size: var(--text-sm); line-height: 1.75; }

.steps-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ---------- FAQ 区块 ---------- */
.faq-block {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}

/* ---------- 内容说明 ---------- */
.editorial-note {
  padding-block: clamp(24px, 3vw, 36px);
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.editorial-note .inner {
  display: flex;
  gap: 20px;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.editorial-note .bar { flex-shrink: 0; width: 3px; background: var(--green); }
.editorial-note p { color: var(--ink-soft); font-size: var(--text-sm); line-height: 1.9; }

/* ================= 分类页 ================= */

.page-hero { padding-block: 16px clamp(32px, 4vw, 48px); }

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-hero h1 {
  margin-top: 13.6px;
  font-size: clamp(38.4px, 4.4vw, 57.6px);
  line-height: 1.1;
}
.page-hero .lede {
  margin-top: 20px;
  max-width: 640px;
  color: var(--ink-soft);
  font-size: var(--text-lg);
  line-height: 1.85;
}
.page-hero .hero-facts { margin-top: 28px; }
.page-hero img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.filter-note {
  padding-top: 20px;
  color: var(--muted);
  font-size: var(--text-sm);
}

.list-section { padding-top: 24px; }

.list-intro {
  max-width: 66ch;
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.85;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
  margin-top: 28px;
}

.list-empty {
  display: none;
  padding: 48px 16px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
}
.list-empty.is-visible { display: block; }

.list-description {
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--line);
}
.list-description h2 { font-size: clamp(22.4px, 2.2vw, 29.6px); margin-bottom: 17.6px; }
.list-description p {
  max-width: 70ch;
  color: var(--ink-soft);
  line-height: 2;
}

.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.subcategory-grid > .category-card { grid-column: span 2; }
.subcategory-grid > .category-card:nth-child(4),
.subcategory-grid > .category-card:nth-child(5) { grid-column: span 3; }
.subcategory-grid .category-card .body { align-items: center; }
.subcategory-grid .category-card .thumb { aspect-ratio: 16 / 9; }

.related-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 9.6px;
  min-height: 46px;
  padding: 8px 17.6px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper-raised);
  font-size: var(--text-sm);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.related-link:hover { border-color: var(--green); color: var(--green); }

/* ================= 详情页 ================= */

.article-head {
  max-width: 820px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: clamp(8px, 2vw, 24px) 28px;
  text-align: center;
}
.article-head .tag { margin-bottom: 16px; }
.article-head h1 {
  font-size: clamp(31.2px, 3.6vw, 45.6px);
  line-height: 1.3;
}
.article-meta {
  margin-top: 17.6px;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.85;
}

.article-hero {
  max-width: 1080px;
  margin: 0 auto 24px;
  padding-inline: var(--gutter);
}
.article-hero img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-bottom: 16px;
}

.article-main { min-width: 0; }

.article-intro {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: 1.9;
  color: var(--ink);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.article-main h2 {
  margin-top: clamp(36px, 4vw, 48px);
  margin-bottom: 14.4px;
  font-size: clamp(22.4px, 2.2vw, 28px);
  scroll-margin-top: 110px;
}
.article-main h2 .num {
  margin-right: 9.6px;
  font-size: 0.7em;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.article-main p {
  color: var(--ink-soft);
  font-size: 16.32px;
  line-height: 2.05;
}
.article-main p + p { margin-top: 16px; }

.article-table { margin-top: 28px; }
.article-table caption {
  caption-side: top;
  padding-bottom: 13.6px;
  color: var(--muted);
  font-size: var(--text-sm);
  text-align: left;
}
.article-table .spec-table { min-width: 620px; }

.toc {
  position: sticky;
  top: 100px;
  padding: 20px 18.4px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
}
.toc-title {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 13.6px;
}
.toc ol { display: grid; gap: 2.4px; counter-reset: toc; }
.toc a {
  display: block;
  padding: 6.4px 3.2px;
  font-size: var(--text-sm);
  color: var(--ink-soft);
  border-left: 2px solid transparent;
  padding-left: 11.2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.toc a:hover { color: var(--green); }
.toc a.is-active { color: var(--green); border-left-color: var(--green); }

.related-block { margin-top: clamp(48px, 6vw, 72px); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.related-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.related-card h3 { font-size: 16px; line-height: 1.5; }
.related-card .tag { align-self: flex-start; }

/* ---------- 首页内容模块 ---------- */
.module-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 0; }

/* ---------- 卡片标题与摘要截断（等高） ---------- */
.card-title a { display: block; }
.card-title,
.card-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.card-title { -webkit-line-clamp: 2; }
.card-text { -webkit-line-clamp: 3; }

/* ---------- 分页 ---------- */
.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: clamp(28px, 3vw, 40px);
}
.pager a,
.pager .pager-current,
.pager .pager-gap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  padding: 6px 13.6px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  font-size: var(--text-sm);
  color: var(--ink-soft);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.pager a:hover { border-color: var(--green); color: var(--green); }
.pager .pager-current {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}
.pager .pager-gap { border: 0; background: transparent; color: var(--muted); }

/* ---------- 正文图片与上下篇 ---------- */
.article-main figure { margin: 24px 0 28px; }
.article-main figure img {
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}
.article-main figure figcaption {
  margin-top: 9.6px;
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.7;
}

.article-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(32px, 4vw, 48px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.article-nav a {
  flex: 1 1 0;
  min-width: 0;
  max-width: calc(50% - 8px);
  display: block;
  padding: 16px 18.4px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.article-nav a:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.article-nav .nav-label {
  display: block;
  margin-bottom: 4.8px;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--muted);
}
.article-nav h3 { font-size: 16px; line-height: 1.5; }
.article-nav .nav-next { text-align: right; margin-left: auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .article-hero img { aspect-ratio: 4 / 3; }
  .toc {
    position: static;
    order: -1;
    margin-bottom: 8px;
  }
  .toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero-grid,
  .page-hero-grid { grid-template-columns: 1fr; }
  .hero-media::before { display: none; }
  .hero-copy { max-width: none; }

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

  .band-grid { grid-template-columns: 1fr; }
  .steps-block,
  .faq-block { grid-template-columns: 1fr; }
  .steps-media { order: -1; }
  .steps-media img { aspect-ratio: 16 / 9; }

  .subcategory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subcategory-grid > .category-card,
  .subcategory-grid > .category-card:nth-child(4),
  .subcategory-grid > .category-card:nth-child(5) { grid-column: auto; }
  .subcategory-grid > .category-card:last-child { grid-column: span 2; }

  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding-top: 24px; }
  .hero h1 { font-size: clamp(40px, 11vw, 49.6px); }
  .hero-lede { font-size: 16px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .hero-facts { gap: 12px 20px; }

  .category-grid,
  .list-grid,
  .subcategory-grid { grid-template-columns: 1fr; }
  .subcategory-grid > .category-card,
  .subcategory-grid > .category-card:last-child { grid-column: auto; }

  .pick-row { grid-template-columns: 1fr; }
  .article-nav { flex-wrap: wrap; }
  .article-nav a { flex: 1 1 100%; max-width: 100%; }
  .article-nav .nav-next { text-align: left; margin-left: 0; }
  .pick-main,
  .pick-main .content { min-height: 260px; }
  .latest-item { grid-template-columns: minmax(0, 1fr); gap: 6.4px; }

  .steps { grid-template-columns: 1fr; }
  .toc ol { grid-template-columns: 1fr; }
  .article-head { text-align: left; }
  .editorial-note .inner { flex-direction: column; gap: 13.6px; }
  .editorial-note .bar { width: 40px; height: 3px; }
}