.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-void);
  border-bottom: 2px solid var(--c-graphite);
}

.page-products .prod-hero__media {
  position: absolute;
  inset: 0;
}

.page-products .prod-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, var(--c-void) 38%, rgba(6, 8, 11, 0.5) 100%);
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: 36px 60px;
}

.page-products .prod-hero h1 {
  margin: 14px 0 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-products .hl {
  position: relative;
  display: inline-block;
  z-index: 0;
}

.page-products .hl::after {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  bottom: 7px;
  height: 13px;
  background: var(--c-lava);
  opacity: 0.4;
  transform: skewX(-8deg);
  z-index: -1;
}

.page-products .prod-hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-rock);
}

.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-left: 12px;
  border-left: 2px solid var(--c-cyan);
}

.page-products .prod-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 21px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .prod-hero__facts li > span:last-child {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-rock);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .prod-layout {
  display: grid;
  gap: 32px;
  padding-block: 44px 72px;
}

.page-products .prod-content {
  min-width: 0;
}

.page-products .prod-block + .prod-block {
  margin-top: 56px;
  padding-top: 44px;
  border-top: 2px solid var(--c-graphite);
}

.page-products .prod-block h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-products .prod-block__sub {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-rock);
}

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

/* 配置切换 */
.page-products .tier-switch {
  position: relative;
  margin-top: 28px;
}

.page-products .tier-switch__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .tier-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--c-graphite);
}

.page-products .tier-tab {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 18px;
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
  background: var(--c-void);
  color: var(--c-rock);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .tier-tab small {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--c-rock);
}

.page-products .tier-tab:hover {
  color: var(--c-mist);
  border-color: var(--c-cyan);
}

.page-products #tier-lite:checked ~ .tier-switch__tabs label[for="tier-lite"],
.page-products #tier-std:checked ~ .tier-switch__tabs label[for="tier-std"],
.page-products #tier-big:checked ~ .tier-switch__tabs label[for="tier-big"] {
  background: var(--c-panel);
  border-color: var(--c-cyan);
  color: var(--c-mist);
}

.page-products #tier-lite:focus-visible ~ .tier-switch__tabs label[for="tier-lite"],
.page-products #tier-std:focus-visible ~ .tier-switch__tabs label[for="tier-std"],
.page-products #tier-big:focus-visible ~ .tier-switch__tabs label[for="tier-big"] {
  outline: 2px solid var(--c-cyan);
  outline-offset: 4px;
}

.page-products .tier-panels {
  margin-top: 20px;
}

.page-products .tier-panel {
  display: none;
  padding: 4px 18px 14px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
  border-bottom-left-radius: 0;
}

.page-products #tier-lite:checked ~ .tier-panels .tier-panel--lite,
.page-products #tier-std:checked ~ .tier-panels .tier-panel--std,
.page-products #tier-big:checked ~ .tier-panels .tier-panel--big {
  display: block;
}

.page-products .spec-table {
  width: 100%;
  border-collapse: collapse;
}

.page-products .spec-table caption {
  padding: 16px 0 8px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .spec-table th {
  width: 32%;
  padding: 11px 14px 11px 0;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-rock);
  border-bottom: 1px solid var(--c-graphite);
}

.page-products .spec-table td {
  padding: 11px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
  border-bottom: 1px solid var(--c-graphite);
  overflow-wrap: anywhere;
}

.page-products .spec-table tr:last-child th,
.page-products .spec-table tr:last-child td {
  border-bottom: 0;
}

.page-products .req-strip {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .req-card {
  padding: 16px 18px;
  background: var(--c-void);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
}

.page-products .req-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .req-card p + p,
.page-products .req-card p:last-child {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-rock);
}

/* 下载安装 */
.page-products .prod-download {
  margin-top: 26px;
  display: grid;
  gap: 24px;
}

.page-products .steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-products .step:hover {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-products .step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 36px;
  bottom: -15px;
  height: 13px;
  border-left: 2px dashed var(--c-graphite);
}

.page-products .step__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-lava);
  padding-top: 2px;
}

.page-products .step h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-mist);
}

.page-products .step p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-products .prod-download__figures {
  display: grid;
  gap: 16px;
}

/* 开服 */
.page-products .refresh-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: 22px;
  padding: 14px 18px;
  border: 2px dashed var(--c-graphite);
  border-radius: var(--r);
}

.page-products .refresh-strip > p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-rock);
}

.page-products .refresh-strip ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .refresh-strip li {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  background: rgba(43, 232, 214, 0.08);
  border: 1px solid var(--c-teal);
  border-radius: 4px;
}

.page-products .server-legend {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .server-legend li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--c-void);
  border: 1px solid var(--c-graphite);
  border-radius: var(--r);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-rock);
}

/* 礼包 */
.page-products .gift-grid {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .gift-card {
  padding: 16px 18px 18px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-products .gift-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.page-products .gift-card__cat {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-products .gift-card h3 {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-mist);
}

.page-products .gift-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-products .gift-card .gift-card__cond {
  font-size: 13px;
  color: var(--c-rock);
  opacity: 0.75;
  transition: opacity 0.2s var(--ease);
}

.page-products .gift-card:hover .gift-card__cond {
  opacity: 1;
}

.page-products .gift-card .tag {
  margin-top: 14px;
}

/* 版本 */
.page-products .ver-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .ver-item {
  padding: 14px 18px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-left: 4px solid var(--c-cyan);
  border-radius: var(--r);
}

.page-products .ver-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .ver-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-products .ver-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-products .ver-item .ver-item__scope {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-rock);
  opacity: 0.8;
}

/* 多设备 */
.page-products .dev-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-products .dev-card {
  padding: 18px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
  border-top-color: var(--c-teal);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-products .dev-card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-products .dev-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-mist);
}

.page-products .dev-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-products .dev-card .dev-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-lava);
}

/* 常见卡点 */
.page-products .fix-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .fix-item {
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
  overflow: hidden;
}

.page-products .fix-item[open] {
  border-color: var(--c-teal);
}

.page-products .fix-item summary {
  position: relative;
  padding: 16px 48px 16px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-mist);
  cursor: pointer;
  list-style: none;
}

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

.page-products .fix-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-lava);
}

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

.page-products .fix-item__body {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-rock);
}

.page-products .fix-item__body ol {
  margin: 10px 0 0;
  padding-left: 20px;
}

.page-products .fix-item__body li {
  margin-top: 6px;
}

/* 通用补充 */
.page-products .prod-inline-note {
  margin: 22px 0 0;
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-rock);
  background: var(--c-void);
  border-left: 4px solid var(--c-cyan);
  border-radius: var(--r);
}

.page-products .prod-inline-note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .figure {
  margin: 24px 0 0;
}

.page-products .prod-download__figures .figure {
  margin: 0;
}

/* 右侧行动栏 */
.page-products .prod-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .prod-side__box {
  padding: 16px 18px;
  background: var(--c-panel);
  border: 2px solid var(--c-graphite);
  border-radius: var(--r);
}

.page-products .prod-side__box:first-child {
  border-top-color: var(--c-lava);
}

.page-products .prod-side__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-products .prod-side__btn {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 10px;
}

.page-products .prod-side__note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-rock);
}

.page-products .prod-side__note p.mono {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-rock);
}

@media (min-width: 640px) {
  .page-products .prod-hero__lead {
    font-size: 17px;
  }

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

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

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

@media (min-width: 900px) {
  .page-products .prod-download {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .prod-download__figures {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (min-width: 1024px) {
  .page-products .prod-layout {
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: 40px;
    align-items: start;
  }

  .page-products .prod-side {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-products .prod-hero__inner {
    padding-block: 44px 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .step,
  .page-products .gift-card,
  .page-products .dev-card,
  .page-products .tier-tab,
  .page-products .gift-card__cond {
    transition: none;
  }

  .page-products .step:hover,
  .page-products .gift-card:hover,
  .page-products .dev-card:hover {
    transform: none;
  }
}
<<<END>>>