.page-products {
  --pp-sec-pad: clamp(52px, 8vw, 100px);
  --pp-gap: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(56px, 9vw, 110px);
  background:
    radial-gradient(90% 45% at 88% 0%, rgba(240, 78, 125, .08), transparent 62%),
    radial-gradient(80% 40% at 0% 22%, rgba(232, 180, 90, .07), transparent 60%);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .pp-crumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: clamp(10px, 2vw, 18px);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
  align-items: end;
  padding-top: clamp(18px, 4vw, 40px);
}

.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 8vw, 82px);
  line-height: 1.05;
  letter-spacing: -.012em;
  margin: 14px 0 18px;
  color: var(--paper);
}

.page-products .pp-hero__mark {
  display: inline-block;
  color: var(--gold);
  border-bottom: 2px solid var(--rose);
  padding-bottom: 3px;
}

.page-products .pp-hero__lede {
  margin: 0 0 26px;
  max-width: 33em;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-products .pp-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-hero__fig {
  margin-top: clamp(6px, 2vw, 22px);
}

/* ---------- 图片框 ---------- */
.page-products .fig {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  aspect-ratio: var(--ratio, 16 / 9);
  background: var(--ink-3);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(6, 10, 24, .55), 8px 8px 0 rgba(232, 180, 90, .1);
}

.page-products .fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .fig::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: repeating-linear-gradient(180deg, rgba(6, 10, 24, .18) 0 1px, transparent 1px 4px);
  opacity: .55;
  pointer-events: none;
}

.page-products .fig .media-frame__label {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 6px 12px;
  background: var(--black);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-products .fig--offset {
  margin-top: clamp(18px, 3vw, 30px);
}

/* ---------- 页内索引条 ---------- */
.page-products .pp-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 5vw, 52px);
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 14px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .06em;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.page-products .pp-index__item:hover,
.page-products .pp-index__item:focus-visible {
  background: var(--ink-2);
  color: var(--gold);
}

.page-products .pp-index__n {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

/* ---------- 章节与标题 ---------- */
.page-products .pp-sec {
  padding-block: var(--pp-sec-pad);
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-sec--tint {
  background: linear-gradient(180deg, rgba(17, 26, 61, .92), rgba(11, 18, 48, .55));
}

.page-products .pp-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .pp-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pp-head__lede {
  margin: 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 技能树 ---------- */
.page-products .tree__list {
  position: relative;
  display: grid;
  gap: clamp(14px, 2.6vw, 22px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .tree__list::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(124, 143, 168, .6) 55%, transparent);
}

.page-products .tree__node {
  position: relative;
  padding: 18px 18px 18px 56px;
  background: rgba(17, 26, 61, .78);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
}

.page-products .tree__num {
  position: absolute;
  left: 11px;
  top: 20px;
  width: 20px;
  padding: 2px 0;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  text-align: center;
}

.page-products .tree__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 23px);
  line-height: 1.35;
  color: var(--paper);
}

.page-products .tree__text {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 展开组 ---------- */
.page-products details {
  margin-top: 12px;
}

.page-products summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0 8px;
  border-top: 1px dashed var(--line);
  list-style: none;
  cursor: pointer;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .14em;
}

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

.page-products summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
}

.page-products details[open] > summary::after {
  content: "–";
}

.page-products .tree__steps {
  margin: 10px 0 0;
  padding-left: 1.2em;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}

.page-products .tree__steps li {
  margin-bottom: 4px;
}

.page-products .tree__go {
  margin: 10px 0 0;
}

.page-products .tree__go a {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .06em;
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 90, .45);
}

/* ---------- 小屏章节 ---------- */
.page-products .pp-asym {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .pp-asym__side {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .layers {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .layers__row {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: rgba(11, 18, 48, .9);
}

.page-products .layers__n {
  padding-top: 4px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .layers__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--paper);
}

.page-products .layers__body p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .legend {
  margin-top: clamp(18px, 3vw, 26px);
  padding: 18px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(232, 180, 90, .12), rgba(240, 78, 125, .06) 70%);
}

.page-products .legend__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.page-products .legend__note {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .tiers {
  display: grid;
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .tiers__item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px 16px;
  background: rgba(17, 26, 61, .92);
}

.page-products .tiers__item .chip {
  justify-self: start;
}

.page-products .tiers__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .tiers__item p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 新旧对照 ---------- */
.page-products .split {
  display: grid;
  gap: 1px;
  margin-bottom: clamp(20px, 3vw, 30px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .split__pane {
  min-width: 0;
  padding: clamp(18px, 3vw, 28px);
}

.page-products .split__pane--slate {
  background: rgba(124, 143, 168, .16);
}

.page-products .split__pane--gold {
  background: rgba(232, 180, 90, .1);
}

.page-products .split__pane .chip {
  display: inline-block;
  margin-bottom: 12px;
}

.page-products .split__num {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: clamp(46px, 8.5vw, 76px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold);
}

.page-products .split__pane--slate .split__num {
  color: var(--mist);
}

.page-products .split__text {
  margin: 0 0 14px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .split__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 1.1em;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}

.page-products .split__list strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 双维度分类 ---------- */
.page-products .duo {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-products .duo__col {
  padding: clamp(20px, 3.4vw, 34px);
  background: rgba(11, 18, 48, .9);
}

.page-products .duo__col--gold {
  background: linear-gradient(150deg, rgba(232, 180, 90, .16), rgba(11, 18, 48, .9) 70%);
}

.page-products .duo__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(54px, 11vw, 104px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-products .duo__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--paper);
}

.page-products .duo__text {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .genres {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .genres__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(17, 26, 61, .86);
  color: var(--paper);
  font-size: 15px;
  letter-spacing: .04em;
}

.page-products .genres__n {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-products .genres__note {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 厂商索引墙 ---------- */
.page-products .wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .wall__item {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 14px 14px 16px;
  background: rgba(11, 18, 48, .92);
}

.page-products .wall__code {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .wall__name {
  color: var(--paper);
  font-size: 14px;
  line-height: 1.5;
}

.page-products .wall__item .chip {
  font-size: 11px;
}

/* ---------- 换机步骤 ---------- */
.page-products .steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .steps__item {
  min-width: 0;
  padding: 20px 18px;
  background: rgba(17, 26, 61, .9);
}

.page-products .steps__n {
  display: inline-block;
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .steps__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-products .steps__item > p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .steps__more p {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .steps__go {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

/* ---------- 相关入口 ---------- */
.page-products .next {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .next__item {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: rgba(11, 18, 48, .88);
}

.page-products .next__item a {
  justify-self: start;
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}

.page-products .next__item a:hover,
.page-products .next__item a:focus-visible {
  border-bottom-color: var(--rose);
}

.page-products .next__item p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .layers__row {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

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

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

@media (min-width: 760px) {
  .page-products .pp-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .tiers,
  .page-products .duo,
  .page-products .split,
  .page-products .steps,
  .page-products .next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-products .pp-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .8fr);
    column-gap: clamp(24px, 5vw, 64px);
    align-items: end;
  }

  .page-products .pp-head > .eyebrow {
    grid-column: 1 / -1;
  }

  .page-products .pp-asym {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-products .genres,
  .page-products .wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-index__item,
  .page-products .next__item a {
    transition: none;
  }
}

.page-products {
  --ratio: inherit;
}