/* 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 {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: clamp(440px, 46vw, 620px);
  overflow: hidden;
  background: var(--olive-deep);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(18, 26, 19, 0.9) 0%, rgba(18, 26, 19, 0.72) 42%, rgba(18, 26, 19, 0.18) 74%, rgba(18, 26, 19, 0.05) 100%),
    linear-gradient(0deg, rgba(18, 26, 19, 0.5) 0%, rgba(18, 26, 19, 0) 42%);
  pointer-events: none;
}

.hero-inner {
  width: 100%;
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
}

.hero-copy { max-width: 36rem; color: var(--white); }

.hero .eyebrow { color: color-mix(in srgb, var(--white) 78%, transparent); }

.hero h1 {
  margin-top: 0.9rem;
  font-size: var(--text-hero);
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--white);
  text-wrap: balance;
}
.hero h1 .dot { color: var(--accent-hero); }

.hero-lede {
  margin-top: 1.4rem;
  max-width: 34rem;
  color: color-mix(in srgb, var(--white) 84%, transparent);
  font-size: var(--text-lg);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.9rem;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: 2.6rem;
  padding-top: 1.15rem;
  border-top: 1px solid color-mix(in srgb, var(--white) 26%, transparent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--white) 72%, transparent);
}
.hero-caption { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-caption svg { width: 15px; height: 15px; }

.hero-facts { display: flex; flex-wrap: wrap; gap: 0.4rem 1.6rem; }
.hero-facts span { display: inline-flex; align-items: baseline; gap: 0.35rem; }
.hero-facts b {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

/* ---------- 分类网格 ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 1.6vw, 1.35rem);
}
/* 9 个分类时用三列，避免最后一行只剩一张 */
.category-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.category-card {
  position: relative;
  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(-3px);
  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 .label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.72rem 0.9rem;
  border-top: 1px solid var(--line);
}
.category-card .label h3 { font-size: 1rem; letter-spacing: 0.02em; }
.category-card .label .idx {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: var(--brick);
}
.category-card .desc {
  padding: 0 0.9rem 0.95rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.68;
}

/* ---------- 编辑推荐 ---------- */
.picks-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(1.25rem, 2.6vw, 2.25rem);
  align-items: stretch;
}

.pick-main {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.pick-main:hover { border-color: var(--line-strong); box-shadow: var(--shadow-lift); }
.pick-main .thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--paper-deep); }
.pick-main .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.pick-main:hover .thumb img { transform: scale(1.03); }
.pick-main .body { display: flex; flex-direction: column; gap: 0.6rem; padding: 1.2rem 1.3rem 1.35rem; }
.pick-main h3 { font-size: clamp(1.25rem, 1.9vw, 1.55rem); line-height: 1.45; }
.pick-main p { color: var(--muted); font-size: var(--text-sm); line-height: 1.82; }
.pick-main .meta {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.picks-side { display: grid; gap: 1rem; align-content: stretch; }
/* 侧栏两卡与主卡等高，缩略图占满卡片高度 */
.picks-side .pick-item { grid-template-columns: 42% minmax(0, 1fr); align-items: stretch; }
.picks-side .pick-item .thumb { aspect-ratio: auto; height: 100%; min-height: 7.5rem; }

.pick-item {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
  padding: 0.7rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.pick-item:hover { border-color: var(--olive); transform: translateX(3px); }
.pick-item .thumb { aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius); background: var(--paper-deep); }
.pick-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.pick-item .body { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; }
.pick-item h3 { font-size: 1.02rem; line-height: 1.5; }
.pick-item p { color: var(--muted); font-size: 0.8rem; line-height: 1.7; }
.pick-item .meta {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 最新笔记 ---------- */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2.5rem;
}

.note-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease);
}
.note-item:hover { color: var(--brick); }
.note-item .body { display: flex; align-items: flex-start; gap: 0.7rem; min-width: 0; }
.note-item .idx {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--brick);
  padding-top: 0.28rem;
}
.note-item h3 { font-size: 0.98rem; line-height: 1.55; font-weight: 600; }
.note-item .tag { margin-top: 0.2rem; }
.note-item .go { color: var(--muted); padding-top: 0.3rem; }

/* ============================================================
   首页 2026 改版：刊头 / 主稿+更新日志 / 图文混排 / 目录 / 数据 / 问答
   ============================================================ */

/* 刊头：整幅照片 + 一句话定位 + 计数 */
.masthead { position: relative; overflow: hidden; background: var(--olive-deep); }
.masthead .photo { position: absolute; inset: 0; }
.masthead .photo img { width: 100%; height: 100%; object-fit: cover; }
.masthead::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(96deg, rgba(12, 20, 16, 0.9) 0%, rgba(12, 20, 16, 0.62) 44%, rgba(12, 20, 16, 0.2) 100%);
}
.masthead-inner {
  position: relative; z-index: 1;
  display: grid; gap: 0.8rem;
  padding-block: clamp(2.4rem, 5.2vw, 4.8rem);
  color: #f3eee1;
}
.masthead h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  letter-spacing: 0.06em;
  color: #fffdf7;
}
.masthead .tagline {
  max-width: 32em;
  font-size: var(--text-lg);
  line-height: 1.85;
  color: rgba(243, 238, 225, 0.88);
}
.masthead .stats {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1.5rem;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em;
  color: rgba(243, 238, 225, 0.72);
}

/* 主稿 + 更新日志 */
.lead-row {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  gap: clamp(1.6rem, 3vw, 3.2rem);
  padding-block: clamp(2.2rem, 4vw, 3.6rem);
}
.lead-story { display: block; }
.lead-story .shot {
  display: block; overflow: hidden; aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg); background: var(--paper-deep);
}
.lead-story .shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.lead-story:hover .shot img { transform: scale(1.02); }
.lead-story .label {
  display: inline-block; margin-top: 1.1rem;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.18em;
  color: var(--brick);
}
.lead-story h2 {
  margin-top: 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  line-height: 1.36;
}
.lead-story:hover h2 { color: var(--brick); }
.lead-story .deck { margin-top: 0.7rem; max-width: 42em; color: var(--muted); font-size: var(--text-base); line-height: 1.85; }
.lead-story .meta { margin-top: 0.9rem; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; color: var(--muted); }

.log { border-top: 2px solid var(--ink); padding-top: 0.85rem; }
.log-title {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; color: var(--muted);
}
.log-item {
  display: grid; grid-template-columns: 3.6rem minmax(0, 1fr); gap: 0.7rem;
  padding: 0.74rem 0; border-bottom: 1px solid var(--line);
}
.log-item time { font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); padding-top: 0.24rem; }
.log-item h3 { font-size: 0.98rem; line-height: 1.55; font-weight: 600; }

.log-item:hover h3 { color: var(--brick); }
.log-more { display: inline-block; margin-top: 0.95rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; color: var(--brick); }

/* 图文混排：一宽四小 */
.mosaic {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.1rem, 2.2vw, 1.9rem) clamp(1rem, 2vw, 1.8rem);
}
/* 第一张大图占两列两行，右侧四张两行铺满 */
.mosaic > a:first-child {
  grid-column: span 2;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}
.mosaic > a:first-child .shot { flex: 1 1 auto; min-height: 15rem; }
.mosaic .shot {
  display: block; overflow: hidden; aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg); background: var(--paper-deep);
}
.mosaic .shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.mosaic > a:first-child .shot { aspect-ratio: auto; }
.mosaic a:hover .shot img { transform: scale(1.03); }
.mosaic h3 { margin-top: 0.7rem; font-family: var(--font-serif); font-size: 1.06rem; line-height: 1.52; }
.mosaic > a:first-child h3 { font-size: clamp(1.2rem, 1.9vw, 1.55rem); }
.mosaic > a:first-child .meta { margin-bottom: 0.2rem; }
.mosaic a:hover h3 { color: var(--brick); }
.mosaic .meta { margin-top: 0.35rem; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.06em; color: var(--muted); }

/* 分类目录（两列点线目录，不做卡片） */
.dir { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 4vw, 4.5rem); }
.dir-item {
  display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 0.5rem;
  padding: 0.9rem 0; border-bottom: 1px solid var(--line);
}
.dir-item h3 { font-family: var(--font-serif); font-size: 1.02rem; white-space: nowrap; }
.dir-item .dots { border-bottom: 1px dotted var(--line-strong); transform: translateY(-0.22rem); }
.dir-item .num { font-family: var(--font-mono); font-size: 0.68rem; color: var(--muted); }
.dir-item .sub { grid-column: 1 / -1; margin-top: 0.32rem; font-size: 0.78rem; line-height: 1.7; color: var(--muted); }
.dir-item:hover h3 { color: var(--brick); }

/* 小栏目头（等宽标签 + 一句说明） */
.kicker {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: 0.7rem; margin-bottom: 1.6rem;
  border-bottom: 1px solid var(--ink);
}
.kicker h2 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.2em; font-weight: 600; color: var(--ink); }
.kicker p { font-size: var(--text-sm); color: var(--muted); }

/* 术语 + 说明 */
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.8rem, 3.4vw, 3.6rem); align-items: start; }
.glossary { display: block; margin: 0; }
.glossary > div {
  display: grid; grid-template-columns: 5.6rem minmax(0, 1fr); gap: 0.7rem;
  padding: 0.62rem 0; border-bottom: 1px solid var(--line);
}
.glossary dt { font-family: var(--font-serif); font-size: 0.98rem; color: var(--ink); }
.glossary dd { margin: 0; font-size: var(--text-sm); line-height: 1.8; color: var(--muted); }
.note-list { margin: 0; }
.note-list li { padding: 0.72rem 0; border-bottom: 1px solid var(--line); font-size: var(--text-sm); line-height: 1.8; color: var(--muted); }
.note-list strong { display: block; margin-bottom: 0.2rem; font-family: var(--font-serif); font-size: 0.98rem; color: var(--ink); }

/* 问答 */
.qa-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.7rem clamp(2rem, 4vw, 4.5rem); }
.qa { border-top: 1px solid var(--line); padding-top: 0.85rem; }
.qa dt { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.16em; color: var(--brick); }
.qa dd { margin: 0.35rem 0 0; }
.qa h3 { font-family: var(--font-serif); font-size: 1.02rem; line-height: 1.6; }
.qa p { margin-top: 0.4rem; font-size: var(--text-sm); line-height: 1.85; color: var(--muted); }

@media (max-width: 1000px) {
  .lead-row { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mosaic > a:first-child { grid-column: span 2; grid-row: auto; }
  .mosaic > a:first-child .shot { min-height: 0; }
  .dir, .two-col, .qa-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .masthead .stats { font-size: 0.64rem; letter-spacing: 0.05em; gap: 0.3rem 1rem; }
  .mosaic { grid-template-columns: 1fr; }
  .mosaic > a:first-child { grid-column: auto; }
  .mosaic .shot, .mosaic > a:first-child .shot { aspect-ratio: 4 / 3; min-height: 0; }
  .log-item { grid-template-columns: 3rem minmax(0, 1fr); }
  .dir-item { grid-template-columns: auto 1fr auto; }
}

/* ---------- 画幅速查 ---------- */
.spec-head {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
  margin-bottom: 1.6rem;
}
.spec-head p { color: var(--ink-soft); font-size: var(--text-lg); line-height: 1.9; }
.spec-note {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  padding-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.spec-note span { display: inline-flex; align-items: center; gap: 0.4rem; }
.spec-note i { width: 16px; height: 1px; background: var(--brick); display: inline-block; }

/* ---------- 四步流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 1.35rem 1.1rem 1.25rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 0.85rem;
  border: 1px solid var(--olive);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--olive);
}
.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { color: var(--muted); font-size: var(--text-sm); line-height: 1.8; }

/* ---------- FAQ + 内容说明 ---------- */
.faq-wrap { max-width: 860px; }

.editorial-note {
  margin-top: 1.6rem;
  padding: 1.1rem 1.35rem;
  background: color-mix(in srgb, var(--paper-deep) 62%, transparent);
  border-left: 2px solid var(--olive);
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.85;
}

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

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: center;
  padding-block: 1.4rem clamp(2rem, 3.6vw, 2.9rem);
}
.page-hero h1 { font-size: clamp(2.35rem, 4.4vw, 3.5rem); line-height: 1.1; }
.page-hero h1 .dot { color: var(--brick); }
.page-hero .lede {
  margin-top: 1.1rem;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: var(--text-lg);
  line-height: 1.9;
}
.page-hero .media { position: relative; }
.page-hero .media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.page-hero .media::before {
  content: "";
  position: absolute;
  inset: -12px 12px 12px -12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-top: 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.4rem);
  padding-top: 1.5rem;
}

.card-grid .card-media { aspect-ratio: 16 / 10; }
.card-grid .card-title { font-size: 1.04rem; }
.card-grid .card-body { gap: 0.5rem; }

.empty-state {
  display: none;
  padding: 2rem 0;
  color: var(--muted);
  font-size: var(--text-sm);
}
.empty-state.is-visible { display: block; }

.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.subcategory-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.subcategory-card:hover { border-color: var(--olive); transform: translateY(-2px); }
.subcategory-card .idx {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--brick);
}
.subcategory-card h3 { font-size: 1.1rem; }
.subcategory-card p { color: var(--muted); font-size: var(--text-sm); line-height: 1.75; }
.subcategory-card .count {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.list-description {
  max-width: 68ch;
  padding-block: clamp(2.1rem, 3.8vw, 3rem);
}
.list-description h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.list-description p {
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 2.02;
}
.list-description p + p { margin-top: 1.05rem; }

.related-categories {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.related-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.related-card:hover { border-color: var(--olive); transform: translateY(-2px); }
.related-card h3 { font-size: 1.08rem; }
.related-card p { color: var(--muted); font-size: var(--text-sm); line-height: 1.75; }
.related-card .go { margin-top: 0.3rem; color: var(--olive); font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em; }

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

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--olive); }
.crumbs .sep { color: var(--line-strong); }

.article-head {
  max-width: 860px;
  margin-inline: auto;
  padding-top: 0.5rem;
  padding-bottom: clamp(1.4rem, 2.6vw, 2rem);
}
.article-head h1 {
  font-size: clamp(2rem, 4vw, 3.05rem);
  line-height: 1.2;
  text-wrap: balance;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.9rem; }
.article-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.9rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.article-figure {
  max-width: 1040px;
  margin: 0 auto clamp(1.8rem, 3.6vw, 2.75rem);
}
.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.article-figure figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.article-layout {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
  max-width: 1080px;
  margin-inline: auto;
}

.article-body { max-width: 720px; min-width: 0; }

.article-intro {
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 1.14rem;
  line-height: 1.95;
}

.article-body h2 {
  margin-top: 2.4rem;
  padding-top: 0.4rem;
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
  scroll-margin-top: 110px;
}
.article-body h2::before {
  content: attr(data-index);
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--brick);
}
.article-body h2 + p { margin-top: 0.9rem; }
.article-body p {
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 2.02;
}
.article-body p + p { margin-top: 1rem; }

.article-lead {
  margin-top: 1.2rem;
  padding: 0.95rem 1.1rem;
  border-left: 2px solid var(--brick);
  background: color-mix(in srgb, var(--paper-deep) 50%, transparent);
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.9;
}

.article-table { margin-top: 1.5rem; }

.table-hint {
  display: none;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.toc {
  position: sticky;
  top: 106px;
  padding: 1.05rem 1.15rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.toc-title {
  margin-bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.toc ol { display: flex; flex-direction: column; gap: 0.1rem; counter-reset: toc; }
.toc a {
  display: flex;
  gap: 0.5rem;
  padding: 0.4rem 0.2rem 0.4rem 0.6rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.toc a::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--brick);
  padding-top: 0.16rem;
}
.toc a:hover { color: var(--olive); }
.toc a.is-active { color: var(--olive); border-left-color: var(--olive); }

.article-footer {
  max-width: 1080px;
  margin: clamp(2.4rem, 4.6vw, 3.6rem) auto 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}
.article-footer .section-head { margin-bottom: 1.15rem; }
.article-footer h2 { font-size: 1.32rem; }

.related-articles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.related-articles .card-body { gap: 0.4rem; }
.related-articles .card-title { font-size: 1rem; }

/* ================= 响应式 ================= */

@media (max-width: 1100px) {
  .container { padding-inline: clamp(1.15rem, 3vw, 2rem); }
}

@media (max-width: 960px) {
  .hero { min-height: 0; }
  .hero::before {
    background:
      linear-gradient(90deg, rgba(18, 26, 19, 0.92) 0%, rgba(18, 26, 19, 0.76) 62%, rgba(18, 26, 19, 0.42) 100%);
  }
  .hero-media img { object-position: 58% 50%; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .picks-layout { grid-template-columns: 1fr; }
  .notes-grid { gap: 0 1.5rem; }
  .spec-head { grid-template-columns: 1fr; gap: 1rem; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-hero { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 1rem; }
  .page-hero .media { max-width: 40rem; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subcategory-grid, .related-categories, .related-articles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: minmax(0, 1fr); max-width: 760px; }
  .toc { position: static; order: -1; }
  .article-body { max-width: none; }
}

@media (max-width: 700px) {
  .pick-item { grid-template-columns: 104px minmax(0, 1fr); }
  .category-card .desc { display: none; }
  .notes-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero-inner { padding-block: 2rem 1.75rem; }
  .hero h1 { font-size: clamp(2.4rem, 11.5vw, 3.1rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions .btn { width: 100%; }
  .hero-foot { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .category-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .card-grid, .subcategory-grid, .related-categories, .related-articles { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .pick-item { grid-template-columns: 92px minmax(0, 1fr); }
  .article-head, .article-body { padding-inline: 0; }
}

@media (max-width: 700px) {
  .table-hint { display: block; }
}