.page-products {
  --rail-w: 280px;
  --prod-gap: clamp(24px, 3vw, 48px);
  --prod-radius: 14px 3px 14px 3px;
}

.page-products .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products h1 {
  margin: 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-products h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 33px);
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--ice);
}

.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.3;
  color: var(--ice);
}

.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-masthead {
  display: grid;
  gap: 28px;
  padding-top: 6px;
  padding-bottom: clamp(32px, 5vw, 64px);
  background:
    radial-gradient(680px 340px at 100% 0%, rgba(111, 231, 255, .13), transparent 72%),
    radial-gradient(520px 300px at 0% 108%, rgba(255, 138, 43, .09), transparent 70%);
}

.page-products .prod-masthead__copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-products .prod-lead {
  margin: 0;
  max-width: 60ch;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-products .prod-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .prod-masthead__facts {
  list-style: none;
  margin: 8px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--steel);
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-products .prod-masthead__facts li {
  display: grid;
  gap: 4px;
}

.page-products .prod-masthead__facts b {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.1;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-products .prod-masthead__facts span {
  color: var(--mist);
  font-size: 13px;
  line-height: 1.5;
}

.page-products .prod-masthead__media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--steel);
  border-radius: var(--prod-radius);
  background: linear-gradient(160deg, rgba(18, 31, 51, .9), rgba(5, 10, 20, .96));
  box-shadow: var(--shadow-panel);
}

.page-products .prod-masthead__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(111, 231, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 231, 255, .07) 1px, transparent 1px);
  background-size: 36px 36px;
}

.page-products .prod-masthead__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-products .prod-masthead {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    gap: 48px;
  }
}

/* ---------- 双栏骨架 ---------- */
.page-products .prod-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

@media (min-width: 1000px) {
  .page-products .prod-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: var(--prod-gap);
  }
}

/* ---------- 版本轨道 ---------- */
.page-products .version-rail__inner {
  border: 1px solid var(--steel);
  border-radius: var(--prod-radius);
  background: linear-gradient(165deg, rgba(18, 31, 51, .96), rgba(11, 20, 36, .96));
  padding: 18px;
  display: grid;
  gap: 8px;
}

@media (min-width: 1000px) {
  .page-products .version-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

.page-products .version-rail__label {
  margin: 0;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.page-products .version-rail__batch {
  margin: 0;
}

.page-products .version-rail__period {
  margin: 0;
  color: var(--ice);
  font-size: 20px;
  font-weight: 700;
}

.page-products .version-rail__desc {
  margin: 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.65;
}

.page-products .version-rail__stacks {
  display: grid;
  gap: 6px;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px dashed var(--steel);
}

.page-products .version-rail__stacks div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12.5px;
  color: var(--mist);
}

.page-products .version-rail__stacks .mono {
  color: var(--ice);
}

.page-products .version-rail__key {
  color: var(--mist);
}

.page-products .version-rail__nav {
  display: grid;
  gap: 2px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--steel);
}

.page-products .version-rail__nav a {
  display: block;
  padding: 10px 12px;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--mist);
  font-size: 13.5px;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .version-rail__nav a:hover {
  background: rgba(111, 231, 255, .09);
  border-color: rgba(111, 231, 255, .35);
  color: var(--ice);
}

/* ---------- 区块 ---------- */
.page-products .prod-section {
  padding-block: clamp(24px, 4vw, 40px);
  border-top: 1px solid rgba(42, 59, 85, .65);
}

.page-products .prod-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .prod-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-products .prod-section__head .eyebrow {
  flex-basis: 100%;
  margin: 0;
}

.page-products .prod-section__head h2 {
  flex: 1 1 auto;
}

.page-products .prod-section .prose {
  margin: 0 0 6px;
}

/* ---------- 能力条 ---------- */
.page-products .cap-grid {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.page-products .cap-grid li {
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 16px 18px;
  border: 1px solid var(--steel);
  border-left: 3px solid var(--cyan);
  border-radius: 10px;
  background: rgba(18, 31, 51, .55);
}

.page-products .cap-grid b {
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.1;
  color: var(--ice);
  font-weight: 700;
}

.page-products .cap-grid span {
  color: var(--ice);
  font-size: 14px;
  font-weight: 500;
}

.page-products .cap-grid small {
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.55;
}

/* ---------- 版本表 ---------- */
.page-products .status-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

.page-products .table-scroll {
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--steel);
  border-radius: 10px;
  background: rgba(5, 10, 20, .45);
}

.page-products .ver-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ver-table thead th {
  padding: 12px 14px;
  text-align: left;
  background: var(--panel);
  color: var(--mist);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-products .ver-table tbody th,
.page-products .ver-table tbody td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid rgba(42, 59, 85, .7);
}

.page-products .ver-table tbody th {
  color: var(--ice);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .ver-table tbody td {
  color: var(--mist);
  line-height: 1.6;
}

.page-products .ver-table tbody tr:hover th,
.page-products .ver-table tbody tr:hover td {
  background: rgba(111, 231, 255, .05);
}

/* ---------- 图 ---------- */
.page-products .prod-figure {
  margin: 22px 0 0;
  border: 1px solid var(--steel);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(11, 20, 36, .8);
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .prod-figure figcaption {
  padding: 12px 16px;
  color: var(--mist);
  font-size: 12.5px;
  line-height: 1.6;
  border-top: 1px solid var(--steel);
}

/* ---------- 阵容 ---------- */
.page-products .lineup {
  display: grid;
  gap: 22px;
  margin-top: 4px;
}

@media (min-width: 880px) {
  .page-products .lineup {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

.page-products .lineup__media {
  margin: 0;
  border: 1px solid var(--steel);
  border-radius: var(--prod-radius);
  overflow: hidden;
  background: rgba(11, 20, 36, .85);
}

.page-products .lineup__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-products .pos-row {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pos-row li {
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--steel);
  background: rgba(18, 31, 51, .6);
  color: var(--mist);
  font-size: 13px;
}

.page-products .pos-row li:first-child {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(111, 231, 255, .1);
}

.page-products .duel {
  display: grid;
  gap: 12px;
}

@media (min-width: 560px) {
  .page-products .duel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .duel__col {
  position: relative;
  padding: 14px 16px 14px 20px;
  border: 1px solid var(--steel);
  border-radius: var(--prod-radius);
  background: linear-gradient(155deg, rgba(18, 31, 51, .94), rgba(11, 20, 36, .94));
  overflow: hidden;
}

.page-products .duel__col::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--win-a), var(--win-b));
}

.page-products .duel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-products .duel__head b {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ice);
  letter-spacing: .02em;
}

.page-products .duel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .duel__list li {
  position: relative;
  padding-left: 16px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.6;
}

.page-products .duel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  transform: rotate(45deg);
  background: var(--cyan);
  opacity: .75;
}

/* ---------- 胜率 ---------- */
.page-products .winrate {
  display: grid;
  gap: 22px;
  margin-top: 4px;
}

@media (min-width: 880px) {
  .page-products .winrate {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }
}

.page-products .winrate__copy .prose + .prose {
  margin-top: 12px;
}

.page-products .winrate__copy .btn {
  margin-top: 16px;
}

.page-products .winrate__media {
  margin: 0;
  border: 1px solid var(--steel);
  border-radius: var(--prod-radius);
  overflow: hidden;
  background: rgba(11, 20, 36, .85);
}

.page-products .winrate__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 技能树 ---------- */
.page-products .skill-tree {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-products .tree-node {
  position: relative;
  padding-left: 46px;
  padding-bottom: 16px;
}

.page-products .tree-node::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: -2px;
  border-left: 1px dashed var(--steel);
}

.page-products .tree-node:last-child::before {
  display: none;
}

.page-products .tree-node__idx {
  position: absolute;
  left: 0;
  top: 6px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--cyan);
  background: var(--deep);
  color: var(--cyan);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-products .tree-node__box {
  border: 1px solid var(--steel);
  border-radius: 10px;
  background: linear-gradient(150deg, rgba(18, 31, 51, .9), rgba(11, 20, 36, .9));
  overflow: hidden;
}

.page-products .tree-node__box summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 13px 16px;
  color: var(--ice);
  font-size: 14.5px;
  font-weight: 500;
  transition: background .2s var(--ease);
}

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

.page-products .tree-node__box summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
}

.page-products .tree-node__box[open] summary::after {
  content: "−";
}

.page-products .tree-node__box summary:hover {
  background: rgba(111, 231, 255, .07);
}

.page-products .tree-node__body {
  padding: 0 16px 14px;
  border-top: 1px dashed rgba(42, 59, 85, .8);
  margin-top: 2px;
}

.page-products .tree-node__body p {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.75;
}

.page-products .pkg-row {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

@media (min-width: 560px) {
  .page-products .pkg-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pkg-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 16px 18px;
  border: 1px solid var(--steel);
  border-top: 3px solid var(--orange);
  border-radius: 10px;
  background: rgba(18, 31, 51, .5);
}

.page-products .pkg-card b {
  font-size: 24px;
  color: var(--ice);
  line-height: 1.15;
}

.page-products .pkg-card p {
  margin: 0;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 系统要求 ---------- */
.page-products .req-list {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.page-products .req-item {
  border: 1px solid var(--steel);
  border-radius: 10px;
  background: rgba(18, 31, 51, .5);
  overflow: hidden;
}

.page-products .req-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 14px 16px;
  color: var(--ice);
  font-size: 14.5px;
  font-weight: 500;
  transition: background .2s var(--ease);
}

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

.page-products .req-item summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
}

.page-products .req-item[open] summary::after {
  content: "−";
}

.page-products .req-item summary:hover {
  background: rgba(111, 231, 255, .07);
}

.page-products .req-item > div {
  padding: 0 16px 16px;
}

.page-products .req-item p {
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.75;
}

.page-products .req-item a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 适合谁用 ---------- */
.page-products .who-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.page-products .who-list li {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--steel);
  border-radius: 10px;
  background: linear-gradient(170deg, rgba(18, 31, 51, .6), rgba(5, 10, 20, .5));
}

.page-products .who-list__idx {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-products .who-list p {
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 收尾 ---------- */
.page-products .prod-cta {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--steel);
  border-radius: var(--prod-radius);
  background:
    linear-gradient(135deg, rgba(255, 138, 43, .13), transparent 62%),
    linear-gradient(205deg, rgba(111, 231, 255, .11), transparent 58%),
    var(--deep-2);
}

.page-products .prod-cta h2 {
  font-size: clamp(20px, 2.6vw, 28px);
}

.page-products .prod-cta p {
  margin: 10px 0 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-products .prod-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 760px) {
  .page-products .prod-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .version-rail__nav a,
  .page-products .tree-node__box summary,
  .page-products .req-item summary {
    transition: none;
  }
}
<<<END>>>