.page-products {
  --pp-gap: clamp(52px, 7vw, 96px);
  --pp-shadow: 8px 8px 0 -1px rgba(7, 11, 20, .92), 8px 8px 0 0 rgba(138, 150, 174, .15);
  color: var(--ink);
  padding-bottom: clamp(48px, 6vw, 84px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--mist);
}

.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color .26s var(--ease);
}

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

.page-products .breadcrumb__sep {
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(36px, 6vw, 66px);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(90px, 20vw, 240px);
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--amber), transparent);
}

.page-products .pp-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--paper);
  text-shadow: 0 0 48px rgba(231, 184, 92, .16);
}

.page-products .pp-hero__lede {
  margin: 18px 0 0;
  max-width: 40ch;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-facts {
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  background: linear-gradient(180deg, rgba(30, 35, 64, .8), rgba(16, 26, 46, .94));
  padding: 4px 20px;
  box-shadow: var(--pp-shadow);
}

.page-products .pp-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-fact:last-child {
  border-bottom: 0;
}

.page-products .pp-fact__k {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-products .pp-fact__v {
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--gold);
  text-align: right;
}

/* ---------- 区块头 ---------- */
.page-products .section {
  padding: var(--pp-gap) 0 0;
}

.page-products .pp-head {
  display: grid;
  gap: 12px;
  max-width: 780px;
  margin-bottom: clamp(24px, 3.6vw, 42px);
}

.page-products .pp-head .section-title {
  position: relative;
  margin: 0;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--paper);
  padding-bottom: 16px;
}

.page-products .pp-head .section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 58px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-products .pp-head .lede {
  margin: 0;
}

/* ---------- 筛选 ---------- */
.page-products .pp-zone-wrap {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .pp-zone-col {
  min-width: 0;
}

.page-products .filter-bar {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.page-products .filter-input {
  width: 100%;
  min-height: 46px;
  padding: 11px 16px;
  background: rgba(16, 26, 46, .88);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .01em;
}

.page-products .filter-input::placeholder {
  color: var(--mist);
}

.page-products .filter-input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: transparent;
}

.page-products .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .chip {
  min-height: 44px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .05em;
  cursor: pointer;
  transition: color .26s var(--ease), border-color .26s var(--ease), background .26s var(--ease);
}

.page-products .chip:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

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

.page-products .chip[aria-pressed="true"] {
  color: var(--void);
  background: linear-gradient(120deg, var(--gold), var(--amber));
  border-color: transparent;
  font-weight: 600;
}

.page-products .pp-empty {
  margin: 0;
  padding: 18px 20px;
  border: 1px dashed var(--line-strong);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 专区清单 ---------- */
.page-products .pp-zones {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-zone {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding: 14px 12px 15px 14px;
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease);
}

.page-products .pp-zone::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), var(--amber));
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .3s var(--ease);
}

.page-products .pp-zone:hover {
  background: rgba(30, 35, 64, .52);
}

.page-products .pp-zone:hover::before {
  transform: scaleY(1);
}

.page-products .pp-zone__num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  transition: transform .3s var(--ease), color .3s var(--ease);
}

.page-products .pp-zone:hover .pp-zone__num {
  transform: translateX(2px);
  color: var(--gold);
}

.page-products .pp-zone__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .pp-zone__desc {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pp-zone__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 8px;
}

.page-products .pp-zone-figure {
  margin: 0;
}

.page-products .pp-zone-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

/* ---------- 下载与版本 ---------- */
.page-products .pp-dl {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
}

.page-products .pp-dl__figure {
  margin: 0;
}

.page-products .pp-dl__body {
  min-width: 0;
}

.page-products .pp-spec {
  width: 100%;
}

.page-products .pp-spec th {
  white-space: nowrap;
}

.page-products .pp-note {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 2px solid rgba(86, 211, 230, .5);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 46ch;
}

/* ---------- 四步 ---------- */
.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .pp-step {
  position: relative;
  padding: 26px 0 22px;
  border-top: 1px solid var(--line);
}

.page-products .pp-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(86, 211, 230, .13);
}

.page-products .pp-step__num {
  display: block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .pp-step__title {
  margin: 9px 0 0;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-step__time {
  display: inline-block;
  margin-top: 9px;
  padding: 3px 9px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--amber);
  border: 1px solid rgba(242, 145, 58, .45);
  border-radius: 999px;
}

.page-products .pp-step__desc {
  margin: 12px 0 0;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .pp-steps__figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

/* ---------- 适配 ---------- */
.page-products .pp-fit {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .pp-check {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-check li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: start;
  gap: 0 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-check__dot {
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(70, 192, 141, .16);
}

.page-products .pp-check__key {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-products .pp-check__val {
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .pp-fit__figure {
  margin: 0;
}

/* ---------- 版本带 ---------- */
.page-products .pp-band {
  list-style: none;
  display: flex;
  margin: 0 0 24px;
  padding: 26px 0 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pp-band__node {
  position: relative;
  flex: 0 0 auto;
  min-width: 108px;
  padding: 20px 18px 0;
  text-align: center;
  border-top: 1px solid var(--line-strong);
}

.page-products .pp-band__dot {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mist);
  border: 2px solid var(--void);
  transform: translateX(-50%);
}

.page-products .pp-band__node--major .pp-band__dot {
  top: -8px;
  width: 15px;
  height: 15px;
  background: var(--gold);
  box-shadow: 0 0 16px rgba(231, 184, 92, .6);
}

.page-products .pp-band__ver {
  display: block;
  font-size: 15px;
  color: var(--ink);
}

.page-products .pp-band__node--major .pp-band__ver {
  color: var(--gold);
  font-size: 17px;
}

.page-products .pp-band__kind {
  display: block;
  margin-top: 5px;
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-products .pp-versions__figure {
  margin: 0 0 clamp(24px, 3.6vw, 38px);
}

/* ---------- 版本手风琴 ---------- */
.page-products .pp-versions .accordion__item {
  border-bottom: 1px solid var(--line);
}

.page-products .pp-versions .accordion__btn {
  display: flex;
  align-items: baseline;
  gap: 16px;
  width: 100%;
  min-height: 56px;
  padding: 16px 2px;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .015em;
  text-align: left;
  cursor: pointer;
  transition: color .26s var(--ease);
}

.page-products .pp-versions .accordion__btn::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pp-versions .accordion__btn:hover {
  color: var(--paper);
}

.page-products .pp-versions .accordion__btn[aria-expanded="true"] {
  color: var(--gold);
}

.page-products .pp-versions .accordion__btn[aria-expanded="true"]::after {
  content: "–";
  color: var(--gold);
}

.page-products .pp-versions .accordion__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pp-versions .accordion__panel {
  padding: 4px 2px 22px;
}

.page-products .pp-versions .accordion__panel ul {
  margin: 0;
  padding-left: 18px;
}

.page-products .pp-versions .accordion__panel li {
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .pp-versions .accordion__panel li::marker {
  color: var(--cyan);
}

/* ---------- 自助排查 ---------- */
.page-products .pp-fixes {
  display: grid;
  gap: 20px;
}

.page-products .pp-fix {
  position: relative;
  padding: 24px 22px 26px;
  background: linear-gradient(180deg, rgba(30, 35, 64, .72), rgba(16, 26, 46, .92));
  border: 1px solid var(--line);
  box-shadow: var(--pp-shadow);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-products .pp-fix:hover {
  border-color: rgba(231, 184, 92, .68);
  transform: translateY(-2px);
}

.page-products .pp-fix__k {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--clay);
  border: 1px solid rgba(196, 86, 60, .42);
}

.page-products .pp-fix h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-fix p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-products .pp-fix a {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(86, 211, 230, .42);
  padding-bottom: 1px;
  transition: color .26s var(--ease), border-color .26s var(--ease);
}

.page-products .pp-fix a:hover,
.page-products .pp-fix a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  display: grid;
  gap: 16px;
  margin-top: var(--pp-gap);
  padding: clamp(28px, 4.4vw, 48px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(231, 184, 92, .15), transparent 56%),
    linear-gradient(120deg, rgba(30, 35, 64, .92), rgba(7, 11, 20, .96));
}

.page-products .pp-cta .section-title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pp-cta .lede {
  margin: 0;
  max-width: 46ch;
}

.page-products .pp-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  margin-top: 8px;
}

/* ---------- 平板以上 ---------- */
@media (min-width: 720px) {
  .page-products .pp-zone {
    grid-template-columns: 48px 152px minmax(0, 1fr) auto;
    gap: 0 18px;
    padding: 13px 14px 13px 16px;
  }

  .page-products .pp-zone__desc {
    grid-column: 3;
    margin-top: 0;
    font-size: 13.5px;
  }

  .page-products .pp-zone__tag {
    grid-column: 4;
    justify-self: end;
    margin-top: 2px;
  }
}

@media (min-width: 880px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-step {
    padding: 26px 22px 22px 0;
  }

  .page-products .pp-step + .pp-step {
    padding-left: 22px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(268px, .65fr);
    column-gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-products .pp-dl {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-fit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-products .pp-zone-wrap {
    grid-template-columns: minmax(0, 1fr) 274px;
    align-items: start;
  }

  .page-products .pp-zone-figure {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
}

/* ---------- 降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pp-fix:hover {
    transform: none;
  }

  .page-products .pp-zone:hover .pp-zone__num {
    transform: none;
  }

  .page-products .pp-zone::before {
    transition: none;
  }
}
<<<END>>>