.page-products {
  --dl-radius: 2px;
  --dl-gap: clamp(1rem, 3vw, 1.75rem);
  color: var(--white);
}

.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--border);
  background:
    radial-gradient(120% 90% at 78% -10%, rgba(53, 242, 226, .18), transparent 62%),
    radial-gradient(80% 70% at 5% 110%, rgba(255, 90, 54, .14), transparent 66%),
    linear-gradient(180deg, var(--ink), var(--cabin));
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .22;
}

.page-products .dl-hero__inner {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-products .breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
  font-size: .82rem;
  color: var(--mist);
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .breadcrumb__list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

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

.page-products .breadcrumb__current {
  color: var(--white);
}

.page-products .dl-hero .eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: .3rem .7rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--cyan);
  border: 1px solid rgba(53, 242, 226, .45);
  border-radius: var(--dl-radius);
  background: rgba(53, 242, 226, .07);
}

.page-products .dl-hero__title {
  margin: 0 0 1.1rem;
  font-size: clamp(2.15rem, 7.2vw, 5rem);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -.03em;
  text-wrap: balance;
}

.page-products .dl-hero__lede {
  max-width: 46rem;
  margin: 0 0 clamp(1.5rem, 3vw, 2rem);
  color: var(--mist);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.8;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.page-products .dl-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--border);
}

.page-products .dl-stats li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: 1rem 1.1rem;
  background: var(--cabin);
}

.page-products .dl-stats__num {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-products .dl-stats__label {
  font-size: .8rem;
  color: var(--mist);
  letter-spacing: .02em;
}

/* 布局：粘性目录 + 内容 */
.page-products .dl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--dl-gap);
  padding-block: clamp(1.75rem, 4vw, 3rem);
}

.page-products .dl-index {
  position: relative;
  border: var(--border);
  background: linear-gradient(180deg, var(--panel), var(--cabin));
  padding: 1rem;
}

.page-products .dl-index__title {
  margin: 0 0 .75rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-products .dl-index__nav {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
}

.page-products .dl-index__nav a {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .45rem .7rem;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: .9rem;
  text-decoration: none;
  transition: color var(--speed) var(--ease), background var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-products .dl-index__nav a .mono {
  font-size: .72rem;
  color: var(--cyan);
}

.page-products .dl-index__nav a:hover,
.page-products .dl-index__nav a:focus-visible {
  color: var(--white);
  background: rgba(53, 242, 226, .08);
  border-left-color: var(--cyan);
}

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

.page-products .dl-index__cta {
  margin-top: 1rem;
}

/* 章节 */
.page-products .dl-sec {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: var(--border);
}

.page-products .dl-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .dl-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(.75rem, 2vw, 1.5rem);
  align-items: start;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-products .dl-sec__num {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.2px rgba(53, 242, 226, .75);
  padding-top: .15rem;
}

@supports not (-webkit-text-stroke: 1px currentColor) {
  .page-products .dl-sec__num {
    color: rgba(53, 242, 226, .6);
  }
}

.page-products .dl-sec h2 {
  margin: 0 0 .6rem;
  font-size: clamp(1.35rem, 3.2vw, 2.05rem);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -.015em;
}

.page-products .dl-sec__lede {
  margin: 0;
  max-width: 44rem;
  color: var(--mist);
  font-size: .98rem;
  line-height: 1.85;
}

.page-products .dl-sec__lede a {
  color: var(--cyan);
}

/* V4 高亮色块 */
.page-products .dl-ver {
  display: inline-block;
  padding: .05em .38em;
  font-family: var(--mono);
  font-size: .82em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: var(--dl-radius);
  transform: skewX(-4deg);
}

/* 平台下载卡 */
.page-products .dl-platforms {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: var(--border);
}

.page-products .dl-plat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(1rem, 2.5vw, 1.4rem);
  background: linear-gradient(165deg, var(--panel), var(--cabin));
  transition: transform var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-products .dl-plat::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color var(--speed) var(--ease);
}

.page-products .dl-plat:hover {
  transform: translateY(-3px);
}

.page-products .dl-plat:hover::after {
  border-color: rgba(53, 242, 226, .55);
}

.page-products .dl-plat__icon {
  color: var(--cyan);
}

.page-products .dl-plat h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-products .dl-plat p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .dl-plat__link {
  margin-top: auto;
  padding-top: .5rem;
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 242, 226, .4);
  align-self: flex-start;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-products .dl-plat__link:hover,
.page-products .dl-plat__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .dl-plat__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 提示条 */
.page-products .dl-note {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
  margin: 1.25rem 0 0;
  padding: .85rem 1rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
  border-left: 2px solid var(--cyan);
  background: rgba(53, 242, 226, .06);
}

.page-products .dl-note svg {
  flex: none;
  margin-top: .12rem;
  color: var(--cyan);
}

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

/* 图 */
.page-products .dl-figure {
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  border: var(--border);
  background: var(--cabin);
  padding: .5rem;
}

.page-products .dl-figure--flush {
  margin-top: 0;
}

.page-products .dl-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 1px;
}

.page-products .dl-figure__cap {
  padding: .55rem .35rem .2rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--mist);
}

/* 标签墙 */
.page-products .dl-tagwall {
  display: grid;
  gap: .6rem;
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border: var(--border);
  background:
    repeating-linear-gradient(135deg, rgba(36, 70, 111, .28) 0 2px, transparent 2px 12px),
    var(--cabin);
}

.page-products .dl-tagwall__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
}

.page-products .dl-tagwall__key {
  flex: none;
  width: 3rem;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-products .tag {
  display: inline-block;
  padding: .26rem .6rem;
  font-size: .8rem;
  color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  background: var(--panel);
}

.page-products .tag--cyan {
  color: var(--cyan-soft);
  border-color: rgba(53, 242, 226, .5);
  background: rgba(53, 242, 226, .1);
}

.page-products .tag--flame {
  color: var(--ink);
  border-color: var(--flame);
  background: var(--flame);
  font-weight: 700;
}

/* 资料类型列表 */
.page-products .dl-types {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--border);
}

.page-products .dl-types li {
  padding: 1rem 1.1rem;
  background: var(--cabin);
  transition: background var(--speed) var(--ease);
}

.page-products .dl-types li:hover {
  background: var(--panel);
}

.page-products .dl-types h3 {
  margin: 0 0 .3rem;
  font-size: .98rem;
  font-weight: 800;
  color: var(--cyan-soft);
}

.page-products .dl-types p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 版本时间线 */
.page-products .dl-timeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: var(--border);
}

.page-products .dl-timeline__item {
  position: relative;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--cabin);
}

.page-products .dl-timeline__item--current {
  background: linear-gradient(160deg, rgba(53, 242, 226, .14), var(--panel) 65%);
}

.page-products .dl-timeline__item--current::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}

.page-products .dl-timeline__v {
  display: inline-block;
  margin-bottom: .55rem;
  padding: .1rem .45rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--panel);
  border-radius: var(--dl-radius);
}

.page-products .dl-timeline__item--current .dl-timeline__v {
  background: var(--flame);
}

.page-products .dl-timeline h3 {
  margin: 0 0 .35rem;
  font-size: .98rem;
  font-weight: 800;
}

.page-products .dl-timeline p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 表格 */
.page-products .dl-table-wrap {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  overflow-x: auto;
  border: var(--border);
  background: var(--cabin);
  -webkit-overflow-scrolling: touch;
}

.page-products .dl-table-wrap:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .dl-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-products .dl-table thead th {
  padding: .8rem 1rem;
  text-align: left;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan);
  white-space: nowrap;
}

.page-products .dl-table tbody th,
.page-products .dl-table tbody td {
  padding: .8rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(36, 70, 111, .7);
  vertical-align: top;
}

.page-products .dl-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--panel);
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .dl-table tbody td {
  color: var(--mist);
}

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

.page-products .dl-state {
  display: inline-block;
  padding: .15rem .5rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  white-space: nowrap;
}

.page-products .dl-state--on {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products .dl-table-hint {
  margin: .6rem 0 0;
  font-size: .74rem;
  color: var(--mist);
}

/* 更新节奏 */
.page-products .dl-updates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--dl-gap);
}

.page-products .dl-update {
  padding: 1.2rem 1.25rem 1.35rem;
  border: var(--border);
  background: var(--cabin);
}

.page-products .dl-update--cyan {
  border-top: 3px solid var(--cyan);
}

.page-products .dl-update--flame {
  border-top: 3px solid var(--flame);
}

.page-products .dl-update__time {
  margin: 0 0 .6rem;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .dl-update--cyan .dl-update__time {
  color: var(--cyan);
}

.page-products .dl-update--flame .dl-update__time {
  color: var(--flame);
}

.page-products .dl-update h3 {
  margin: 0 0 .45rem;
  font-size: 1rem;
  font-weight: 800;
}

.page-products .dl-update p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 赛程筛选 */
.page-products .dl-sched {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--dl-gap);
  align-items: start;
}

.page-products .dl-sched__list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-sched__list li {
  padding: .8rem 1rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
  border-left: 2px solid var(--line);
  background: rgba(18, 41, 77, .65);
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-products .dl-sched__list li:hover {
  border-left-color: var(--cyan);
  background: var(--panel);
}

.page-products .dl-sched__list .mono {
  margin-right: .5rem;
  font-size: .78rem;
  color: var(--cyan);
}

.page-products .dl-sched__list strong {
  color: var(--white);
}

/* 检查与支持 */
.page-products .dl-check {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--dl-gap);
  align-items: start;
}

.page-products .dl-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: dlchk;
  border: var(--border);
  background: var(--cabin);
}

.page-products .dl-checklist li {
  counter-increment: dlchk;
  position: relative;
  padding: .95rem 1.1rem .95rem 3.1rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
  border-bottom: 1px solid rgba(36, 70, 111, .7);
}

.page-products .dl-checklist li:last-child {
  border-bottom: 0;
}

.page-products .dl-checklist li::before {
  content: "0" counter(dlchk);
  position: absolute;
  left: 1rem;
  top: .95rem;
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--cyan);
}

.page-products .dl-checklist strong {
  color: var(--white);
}

.page-products .dl-help {
  padding: 1.25rem;
  border: 1px solid rgba(255, 90, 54, .5);
  background: linear-gradient(155deg, rgba(255, 90, 54, .14), var(--cabin) 70%);
}

.page-products .dl-help h3 {
  margin: 0 0 .5rem;
  font-size: 1.02rem;
  font-weight: 800;
}

.page-products .dl-help p {
  margin: 0 0 .9rem;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .dl-help__contact {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .45rem;
}

.page-products .dl-help__contact li {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  align-items: baseline;
  font-size: .88rem;
}

.page-products .dl-help__contact .mono {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-products .dl-help__contact a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 226, .4);
  word-break: break-all;
}

.page-products .dl-help__contact a:hover,
.page-products .dl-help__contact a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .dl-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
  padding: 1.1rem 1.25rem;
  border: var(--border);
  background: var(--panel);
}

.page-products .dl-next p {
  margin: 0;
  flex: 1 1 12rem;
  font-size: .92rem;
  color: var(--mist);
}

.page-products .dl-next .btn {
  flex: 0 0 auto;
}

@media (min-width: 640px) {
  .page-products .dl-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 960px) {
  .page-products .dl-layout {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    align-items: start;
  }

  .page-products .dl-index {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }

  .page-products .dl-index__nav {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-products .dl-index__nav a {
    width: 100%;
  }

  .page-products .dl-index__cta {
    display: block;
    text-align: center;
  }

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

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

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

  .page-products .dl-sched {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-products .dl-check {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-products .dl-sec__head {
    gap: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-plat,
  .page-products .dl-index__nav a,
  .page-products .dl-types li,
  .page-products .dl-sched__list li {
    transition: none;
  }

  .page-products .dl-plat:hover {
    transform: none;
  }
}
<<<END>>>