.page-products {
  --pp-radius: 3px;
  --pp-shadow: 0 18px 40px rgba(6, 18, 30, .55);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-products .prod-intro {
  padding-top: clamp(4.25rem, 11vw, 7.5rem);
}

.page-products .prod-intro .crumb {
  margin-bottom: 1.25rem;
}

.page-products .prod-intro h1 {
  margin: .5rem 0 0;
  max-width: 22ch;
}

.page-products .prod-intro__lede {
  margin-top: 1.1rem;
  max-width: 64ch;
}

.page-products .prod-sub {
  margin: .6rem 0 0;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--c-text-sub);
}

.page-products .prod-sub--foot {
  margin-top: 1.5rem;
  padding-left: .9rem;
  border-left: 2px solid var(--c-line);
}

.page-products .prod-sub a,
.page-products .set-item__body a,
.page-products .lat-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 224, 208, .45);
}

.page-products .prod-sub a:hover,
.page-products .set-item__body a:hover,
.page-products .lat-note a:hover {
  border-bottom-style: solid;
}

/* 首屏事实行 */
.page-products .factline {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-products .factline__item {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .5rem .85rem;
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius);
  background: rgba(18, 40, 63, .55);
}

.page-products .factline__n {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--c-cyan);
}

.page-products .factline__t {
  font-size: .82rem;
  color: var(--c-text-sub);
}

/* 锚点索引 */
.page-products .prod-anchor {
  margin-top: 2rem;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  scrollbar-width: thin;
}

.page-products .prod-anchor a {
  flex: 0 0 auto;
  padding: .4rem .8rem;
  font-family: var(--font-serif);
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--c-paper);
  text-decoration: none;
  border: 1px dashed var(--c-line);
  border-radius: 999px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .prod-anchor a:hover,
.page-products .prod-anchor a:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  border-style: solid;
}

/* 图片框微调 */
.page-products .prod-hero {
  margin: 1.75rem 0 2rem;
}

.page-products .vendor-bg,
.page-products .cat-media,
.page-products .lane-media {
  margin: 1.5rem 0 2rem;
}

.page-products .cat-media,
.page-products .set-media {
  width: 100%;
}

.page-products .media-frame img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* 版本切换 */
.page-products .prod-ver .tabs__list {
  display: flex;
  gap: .35rem;
  border-bottom: 1px solid var(--c-line);
  overflow-x: auto;
}

.page-products .tabs__tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: .7rem 1rem;
  font-family: var(--font-display);
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--c-text-sub);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .tabs__tab[aria-selected="true"] {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-products .tabs__tab:hover {
  color: var(--c-paper);
}

.page-products .tabs__panel {
  padding-top: 1.5rem;
}

.page-products .tabs__panel[hidden] {
  display: none;
}

/* 版本对照行 */
.page-products .ver-list {
  margin: 0;
  display: grid;
  gap: .9rem;
  max-width: 74ch;
}

.page-products .ver-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: .5rem .9rem;
  padding-bottom: .9rem;
  border-bottom: 1px dashed var(--c-line-soft);
}

.page-products .ver-row dt {
  font-family: var(--font-serif);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--c-gold);
}

.page-products .ver-row dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(242, 238, 230, .84);
}

/* 设置项 */
.page-products .set-grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-products .set-list {
  display: grid;
  gap: .75rem;
}

.page-products .set-item {
  border: 1px solid var(--c-line-soft);
  border-left: 2px solid var(--c-line);
  border-radius: var(--pp-radius);
  background: rgba(18, 40, 63, .5);
  transition: border-color .25s var(--ease);
}

.page-products .set-item[open] {
  border-left-color: var(--c-cyan);
}

.page-products .set-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .75rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .set-item__head::-webkit-details-marker {
  display: none;
}

.page-products .set-item__no {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--c-gold);
  border: 1px solid var(--c-line);
  border-radius: 2px;
  padding: .05rem .35rem;
}

.page-products .set-item__name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-paper);
}

.page-products .set-item__hint {
  font-family: var(--font-serif);
  font-size: .78rem;
  color: var(--c-text-sub);
}

.page-products .set-item__body {
  padding: 0 1rem 1rem;
}

.page-products .set-item__body p {
  margin: 0 0 .75rem;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(242, 238, 230, .82);
}

.page-products .set-item__note {
  padding-left: .8rem;
  border-left: 2px solid var(--c-clay);
  font-size: .85rem !important;
  color: var(--c-text-sub) !important;
}

/* 厂商轨道 */
.page-products .prod-vendor .tabs__list {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  padding-bottom: .75rem;
  scrollbar-width: thin;
}

.page-products .tabs__list--rail .tabs__tab {
  border: 1px solid var(--c-line-soft);
  border-radius: 999px;
  padding: .45rem .9rem;
  font-size: .84rem;
  color: var(--c-text-sub);
}

.page-products .tabs__list--rail .tabs__tab[aria-selected="true"] {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-products .track {
  display: flex;
  gap: .7rem;
  overflow-x: auto;
  padding: .25rem .25rem 1rem;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-products .vendor {
  flex: 0 0 auto;
  width: 128px;
  min-height: 118px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: .5rem;
  padding: .85rem .8rem;
  border: 1px solid var(--c-line-soft);
  border-top: 2px solid var(--c-gold);
  border-radius: var(--pp-radius);
  background: linear-gradient(160deg, rgba(42, 31, 61, .55), rgba(18, 40, 63, .75));
  box-shadow: var(--pp-shadow);
  transition: transform .25s var(--ease), border-top-color .25s var(--ease);
}

.page-products .vendor:hover {
  transform: translateY(-3px);
  border-top-color: var(--c-cyan);
}

.page-products .vendor__no {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-cyan);
  letter-spacing: -.02em;
}

.page-products .vendor__name {
  font-size: .86rem;
  font-weight: 600;
  color: var(--c-paper);
}

.page-products .vendor__cat {
  font-family: var(--font-serif);
  font-size: .72rem;
  color: var(--c-text-sub);
  border-top: 1px dashed var(--c-line-soft);
  padding-top: .4rem;
}

/* 七类游戏矩阵 */
.page-products .cat-grid {
  display: grid;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-products .cat {
  border: 1px solid var(--c-line-soft);
  border-radius: var(--pp-radius);
  background: rgba(11, 26, 43, .7);
  overflow: hidden;
  transition: border-color .25s var(--ease);
}

.page-products .cat[open] {
  border-color: var(--c-line);
  background: rgba(18, 40, 63, .6);
}

.page-products .cat__head {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .cat__head::-webkit-details-marker {
  display: none;
}

.page-products .cat__icon {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  color: var(--c-cyan);
}

.page-products .cat__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-products .cat__name {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: .98rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-products .cat__more {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--c-gold);
  transition: transform .25s var(--ease);
}

.page-products .cat[open] .cat__more {
  transform: rotate(45deg);
}

.page-products .cat__body {
  padding: 0 1rem 1rem 3.05rem;
}

.page-products .cat__body p {
  margin: 0 0 .7rem;
  font-size: .9rem;
  line-height: 1.85;
  color: rgba(242, 238, 230, .8);
}

.page-products .cat__body p:last-child {
  margin-bottom: 0;
}

/* 线路与延迟 */
.page-products .lane-grid {
  display: grid;
  gap: .9rem;
  margin-top: 1.5rem;
}

.page-products .lane {
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--c-line-soft);
  border-left: 3px solid var(--c-moss);
  border-radius: var(--pp-radius);
  background: rgba(18, 40, 63, .55);
}

.page-products .lane--b {
  border-left-color: var(--c-cyan);
}

.page-products .lane__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-products .lane__name {
  margin: .35rem 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-paper);
}

.page-products .lane__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--c-text-sub);
}

.page-products .ruler {
  margin-top: 1.5rem;
  padding: 1.1rem 1.15rem 1.25rem;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--pp-radius);
  background: rgba(6, 18, 30, .6);
}

.page-products .ruler__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .9rem;
}

.page-products .ruler__title {
  font-family: var(--font-serif);
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--c-paper);
}

.page-products .ruler__unit {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--c-text-sub);
}

.page-products .ruler__track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg,
      var(--c-moss) 0%,
      var(--c-moss) 38%,
      var(--c-cyan) 50%,
      var(--c-coral) 72%,
      var(--c-coral) 100%);
}

.page-products .ruler__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 50%;
  border-radius: 999px;
  background: rgba(242, 238, 230, .16);
}

.page-products .ruler__mark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  display: block;
  cursor: help;
  outline: none;
}

.page-products .ruler__pin {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--c-ink);
  border: 2px solid var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(53, 224, 208, .18);
}

.page-products .ruler__tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  width: max-content;
  max-width: 230px;
  padding: .5rem .65rem;
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius);
  background: var(--c-ink);
  font-size: .76rem;
  line-height: 1.6;
  color: var(--c-paper);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s var(--ease), visibility .2s var(--ease);
  z-index: 3;
}

.page-products .ruler__mark:hover .ruler__tip,
.page-products .ruler__mark:focus-visible .ruler__tip {
  opacity: 1;
  visibility: visible;
}

.page-products .ruler__scale {
  display: flex;
  justify-content: space-between;
  margin-top: .6rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--c-text-sub);
}

.page-products .lat-notes {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-products .lat-note h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: .98rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--c-gold);
}

.page-products .lat-note p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(242, 238, 230, .8);
}

/* 异常走向 */
.page-products .help {
  display: grid;
  gap: 1.5rem;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--c-line);
  border-radius: var(--pp-radius);
  background:
    linear-gradient(140deg, rgba(42, 31, 61, .6), rgba(18, 40, 63, .7));
}

.page-products .help h2 {
  margin: .35rem 0 .9rem;
  font-size: clamp(1.35rem, 4vw, 1.85rem);
}

.page-products .help__body p {
  margin: 0 0 .9rem;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(242, 238, 230, .84);
}

.page-products .help__links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.25rem !important;
}

.page-products .help__aside {
  padding: 1rem 1.1rem;
  border: 1px dashed var(--c-line);
  border-radius: var(--pp-radius);
  background: rgba(6, 18, 30, .5);
}

.page-products .help__aside-title {
  margin: 0 0 .7rem;
  font-family: var(--font-serif);
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--c-cyan) !important;
}

.page-products .help__aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.page-products .help__aside li {
  position: relative;
  padding-left: 1rem;
  font-size: .87rem;
  line-height: 1.7;
  color: rgba(242, 238, 230, .78);
}

.page-products .help__aside li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--c-gold);
}

.page-products .help__aside-foot {
  margin: .9rem 0 0;
  padding-top: .7rem;
  border-top: 1px dashed var(--c-line-soft);
  font-size: .8rem !important;
  line-height: 1.7;
  color: var(--c-text-sub) !important;
}

/* 平板 */
@media (min-width: 640px) {
  .page-products .ver-row {
    grid-template-columns: 6.5rem 1fr;
  }

  .page-products .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .lane-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .lat-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面：偏轴两列与横向层级 */
@media (min-width: 900px) {
  .page-products .prod-intro h1 {
    font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  }

  .page-products .set-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    align-items: start;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-products .set-media {
    margin-top: 2.5rem;
  }

  .page-products .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .85rem;
  }

  .page-products .lane-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.25rem;
  }

  .page-products .lane--b {
    margin-top: 1.75rem;
  }

  .page-products .lat-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-products .help {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    gap: clamp(1.5rem, 4vw, 2.75rem);
    padding: clamp(1.75rem, 3vw, 2.5rem);
  }

  .page-products .vendor {
    width: 142px;
  }

  .page-products .ver-list {
    max-width: 78ch;
  }
}

/* 大屏：进一步拉开偏轴节奏 */
@media (min-width: 1180px) {
  .page-products .set-list {
    padding-right: 1rem;
  }

  .page-products .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat:first-child {
    grid-column: span 2;
  }

  .page-products .vendor {
    width: 158px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .vendor,
  .page-products .cat__more,
  .page-products .ruler__tip {
    transition: none;
  }

  .page-products .vendor:hover {
    transform: none;
  }
}