.page-products {
  --rail-bg: #E0F0F0;
  --code-bg: #F0EDE3;
  --ink-reverse: #FFFFFF;
  --tile-cn: #FF7F50;
  --tile-jp: #00A0B0;
  --tile-eu: #7CB518;
  --tile-sp: #8B5A2B;
  --index-yellow: #FFD700;
  background: var(--bg-warm);
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--ink-normal);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products a {
  text-decoration: none;
}

.page-products .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

.page-products [id] {
  scroll-margin-top: 148px;
}

/* ============ 顶部索引条 ============ */
.page-products .products-index-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  overflow: hidden;
  background: var(--index-yellow);
  border-bottom: 2px solid var(--ink-normal);
  padding: var(--space-1) var(--space-2);
}

.page-products .products-index-bar__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-products .products-index-bar__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-products .products-index-bar__row {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.page-products .products-index-bar__label {
  flex: 0 0 auto;
  font-family: var(--font-tag);
  font-size: 12px;
  font-weight: 700;
  background: var(--ink-normal);
  color: var(--index-yellow);
  padding: 2px 8px;
  border: 1px solid var(--ink-normal);
}

.page-products .products-index-bar__links {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.page-products .products-index-bar__links a {
  display: inline-block;
  min-width: 26px;
  padding: 0 4px;
  font-family: var(--font-heading);
  font-size: 14px;
  line-height: 24px;
  text-align: center;
  color: var(--ink-normal);
  background: var(--ink-reverse);
  border: 1px solid var(--ink-normal);
  transition: background 0.12s, color 0.12s;
}

.page-products .products-index-bar__links a:hover,
.page-products .products-index-bar__links a:focus {
  background: var(--ink-normal);
  color: var(--index-yellow);
}

/* ============ 区域分类磁贴 ============ */
.page-products .products-tiles {
  padding: var(--space-3) 0 var(--space-4);
}

.page-products .products-tiles__inner {
  position: relative;
  padding-top: var(--space-2);
}

.page-products .products-breadcrumb {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: var(--space-2);
}

.page-products .products-breadcrumb a {
  color: var(--ink-normal);
  background: var(--index-yellow);
  padding: 1px 6px;
  border: 1px solid var(--ink-normal);
}

.page-products .products-breadcrumb__sep {
  margin: 0 6px;
  color: var(--line-grid);
}

.page-products .products-title {
  font-family: var(--font-heading);
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.05;
  margin: 0 0 var(--space-2);
  letter-spacing: 0.02em;
  display: inline-block;
  background: var(--ink-normal);
  color: var(--index-yellow);
  padding: 4px 14px;
  box-shadow: 5px 5px 0 var(--index-yellow);
}

.page-products .products-lead {
  max-width: 900px;
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 var(--space-3);
  padding-left: 2px;
}

.page-products .products-tiles__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-products .products-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 250px;
  padding: var(--space-3);
  overflow: hidden;
  border: 2px solid var(--ink-normal);
  box-shadow: 6px 6px 0 var(--ink-normal);
  transition: transform 0.14s, box-shadow 0.14s;
}

.page-products .products-tile:hover,
.page-products .products-tile:focus {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink-normal);
}

.page-products .products-tile img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  z-index: 0;
}

.page-products .products-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 18px 18px;
  z-index: 1;
  pointer-events: none;
}

.page-products .products-tile > *:not(img) {
  position: relative;
  z-index: 2;
}

.page-products .products-tile--cn {
  background: var(--tile-cn);
}

.page-products .products-tile--jp {
  background: var(--tile-jp);
}

.page-products .products-tile--eu {
  background: var(--tile-eu);
}

.page-products .products-tile--sp {
  background: var(--tile-sp);
}

.page-products .products-tile__name {
  font-family: var(--font-heading);
  font-size: 36px;
  line-height: 1;
  color: var(--ink-reverse);
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.45);
}

.page-products .products-tile__count {
  align-self: flex-start;
  margin-top: var(--space-1);
  font-family: var(--font-tag);
  font-size: 15px;
  line-height: 1.4;
  background: var(--index-yellow);
  color: var(--ink-normal);
  border: 1px solid var(--ink-normal);
  padding: 0 8px;
}

.page-products .products-tile__tags {
  margin-top: var(--space-1);
  font-size: 12px;
  color: var(--ink-reverse);
  background: rgba(0, 0, 0, 0.28);
  padding: 2px 8px;
  align-self: flex-start;
}

/* ============ 系列合集轨道 ============ */
.page-products .products-series {
  background: var(--rail-bg);
  border-top: 2px solid var(--line-grid);
  border-bottom: 2px solid var(--line-grid);
  padding: var(--space-4) 0;
}

.page-products .products-section-title {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 var(--space-3);
  background: var(--index-yellow);
  color: var(--ink-normal);
  border: 2px solid var(--ink-normal);
  padding: 2px 14px;
  box-shadow: 4px 4px 0 var(--ink-normal);
  transform: rotate(-0.4deg);
}

.page-products .products-section-title--dark {
  background: var(--ink-normal);
  color: var(--index-yellow);
}

.page-products .products-series__inner {
  padding-bottom: var(--space-2);
}

.page-products .series-track {
  margin-bottom: var(--space-4);
}

.page-products .series-track:last-child {
  margin-bottom: 0;
}

.page-products .series-track__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.page-products .series-track__label {
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.2;
  background: var(--ink-normal);
  color: var(--index-yellow);
  padding: 4px 12px;
  border: 2px solid var(--ink-normal);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.18);
}

.page-products .series-track__link {
  font-family: var(--font-tag);
  font-size: 12px;
  color: var(--ink-normal);
  background: var(--ink-reverse);
  border: 1px solid var(--ink-normal);
  padding: 4px 10px;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}

.page-products .series-track__link:hover,
.page-products .series-track__link:focus {
  background: var(--ink-normal);
  color: var(--index-yellow);
}

.page-products .series-track__rail {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) var(--space-2) var(--space-3);
  scroll-snap-type: x mandatory;
  border-bottom: 2px dashed var(--line-grid);
}

.page-products .series-card {
  position: relative;
  flex: 0 0 250px;
  scroll-snap-align: start;
  background: var(--ink-reverse);
  border: 2px solid var(--ink-normal);
  box-shadow: 4px 4px 0 var(--ink-normal);
  padding-bottom: var(--space-2);
}

.page-products .series-card__img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 2px solid var(--ink-normal);
}

.page-products .series-card__body {
  padding: var(--space-2);
}

.page-products .series-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.3;
  margin: 0 0 4px;
}

.page-products .series-card__volume {
  font-family: var(--font-tag);
  font-size: 12px;
  color: var(--ink-soft);
}

.page-products .series-card__badge {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
}

.page-products .series-track__more {
  flex: 0 0 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--line-grid);
  background: rgba(255, 255, 255, 0.45);
  text-align: center;
  padding: var(--space-2);
}

.page-products .series-track__more a {
  font-family: var(--font-tag);
  font-size: 13px;
  color: var(--ink-normal);
  border-bottom: 2px solid var(--index-yellow);
  padding-bottom: 2px;
}

/* ============ 章节进度列表 ============ */
.page-products .products-progress {
  padding: var(--space-4) 0;
  background: var(--bg-warm);
}

.page-products .products-progress__strip {
  display: block;
  width: 100%;
  height: 60px;
  object-fit: cover;
  border: 2px solid var(--ink-normal);
  margin-bottom: var(--space-3);
}

.page-products .products-progress__wrap {
  overflow-x: auto;
  border: 2px solid var(--ink-normal);
  background: var(--ink-reverse);
}

.page-products .products-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .products-table th,
.page-products .products-table td {
  padding: var(--space-1) var(--space-2);
  border-bottom: 1px solid var(--line-grid);
  text-align: left;
  vertical-align: middle;
}

.page-products .products-table th {
  font-family: var(--font-heading);
  font-size: 14px;
  background: var(--index-yellow);
  border-right: 1px solid var(--ink-normal);
}

.page-products .products-table th:last-child {
  border-right: none;
}

.page-products .products-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .products-table tbody tr:hover {
  background: var(--bg-cool);
}

.page-products .rank-cell {
  display: inline-block;
  min-width: 26px;
  text-align: center;
  background: var(--ink-normal);
  color: var(--index-yellow);
  font-family: var(--font-heading);
  font-size: 13px;
  padding: 1px 4px;
}

/* ============ 字母与年份索引区 ============ */
.page-products .products-alphabet {
  background: var(--bg-cool);
  border-top: 2px solid var(--line-grid);
  padding: var(--space-4) 0;
}

.page-products .products-alphabet__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.page-products .alpha-cell {
  border: 1px solid var(--line-grid);
  background: var(--ink-reverse);
  padding: var(--space-2);
}

.page-products .alpha-cell__char {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1;
  background: var(--index-yellow);
  color: var(--ink-normal);
  border: 1px solid var(--ink-normal);
  padding: 2px 6px;
  margin-bottom: var(--space-1);
}

.page-products .alpha-cell__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.page-products .alpha-cell__tags span {
  font-family: var(--font-tag);
  font-size: 11px;
  line-height: 1.4;
  background: var(--bg-warm);
  border: 1px solid var(--line-grid);
  padding: 1px 5px;
}

.page-products .alpha-cell__tags span.is-main {
  font-size: 13px;
  background: var(--index-yellow);
  border-color: var(--ink-normal);
  font-weight: 700;
}

.page-products .alpha-cell--year {
  background: var(--index-yellow);
}

.page-products .alpha-cell--year .alpha-cell__char {
  background: var(--ink-normal);
  color: var(--index-yellow);
}

.page-products .alpha-cell--year .alpha-cell__tags span {
  background: var(--ink-reverse);
}

/* ============ 页面底部说明与装饰 ============ */
.page-products .products-notes {
  padding: var(--space-4) 0;
  background: var(--bg-dark);
  color: #E0E0E0;
}

.page-products .products-notes__text {
  max-width: 880px;
  font-size: 13px;
  line-height: 1.9;
  color: #D8D4CC;
  margin: 0 0 var(--space-3);
}

.page-products .products-notes__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-products .products-outro {
  background: var(--bg-dark);
  border-top: 2px solid var(--index-yellow);
  padding: var(--space-4) 0;
}

.page-products .products-outro__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.page-products .products-outro__img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border: 2px solid var(--index-yellow);
}

.page-products .products-outro__top {
  align-self: center;
}

/* ============ 响应式增强 ============ */
@media (min-width: 700px) {
  .page-products .products-tiles__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .products-tile {
    min-height: 280px;
  }

  .page-products .series-card {
    flex-basis: 280px;
  }

  .page-products .series-card__img {
    height: 200px;
  }

  .page-products .products-alphabet__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .products-index-bar__inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .page-products .products-tiles__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }

  .page-products .products-tile {
    min-height: 300px;
  }

  .page-products .products-alphabet__grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-products .series-track__rail {
    gap: var(--space-3);
  }

  .page-products .products-table {
    font-size: 14px;
  }
}