.page-products {
  --sv-glow: radial-gradient(62% 56% at 50% 0%, rgba(110, 75, 255, .26), rgba(5, 7, 14, 0) 72%);
  --sv-panel-cool: linear-gradient(180deg, rgba(110, 123, 166, .14), rgba(5, 7, 14, 0) 62%);
  --sv-panel-violet: linear-gradient(180deg, rgba(110, 75, 255, .18), rgba(5, 7, 14, 0) 62%);
  --sv-hair: rgba(42, 52, 80, .8);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-products .sv-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(56px, 8vw, 110px);
  background: var(--sv-glow);
}

.page-products .sv-hero .breadcrumb {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-products .sv-hero__frame {
  position: relative;
  padding: clamp(30px, 4.4vw, 68px) clamp(20px, 3.6vw, 60px) clamp(32px, 4vw, 60px);
  overflow: hidden;
}

.page-products .sv-corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 0 solid var(--cyan);
  opacity: .6;
}

.page-products .sv-corner--tl {
  top: 10px;
  left: 10px;
  border-top-width: 1px;
  border-left-width: 1px;
}

.page-products .sv-corner--tr {
  top: 10px;
  right: 10px;
  border-top-width: 1px;
  border-right-width: 1px;
}

.page-products .sv-corner--bl {
  bottom: 10px;
  left: 10px;
  border-bottom-width: 1px;
  border-left-width: 1px;
}

.page-products .sv-corner--br {
  bottom: 10px;
  right: 10px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.page-products .sv-hero__title {
  margin: 18px 0 0;
  max-width: 18ch;
  line-height: 1.04;
  text-shadow: 0 0 42px rgba(110, 75, 255, .38);
}

.page-products .sv-hero__lede {
  margin-top: clamp(20px, 2.6vw, 30px);
  max-width: 60ch;
}

.page-products .sv-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 3.4vw, 40px);
}

.page-products .sv-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 4vw, 64px);
  margin: clamp(34px, 4.4vw, 56px) 0 0;
  padding-top: clamp(20px, 2.4vw, 28px);
  border-top: 1px solid var(--line);
}

.page-products .sv-hero__stats dt {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mute);
}

.page-products .sv-hero__stats dd {
  margin: 8px 0 0;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1;
}

/* ---------- 分类总览 ---------- */

.page-products .sv-index {
  position: relative;
  isolation: isolate;
}

.page-products .sv-index__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-products .sv-index__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  -webkit-mask-image: radial-gradient(68% 58% at 50% 34%, #000 18%, transparent 80%);
  mask-image: radial-gradient(68% 58% at 50% 34%, #000 18%, transparent 80%);
}

.page-products .sv-index > .container {
  position: relative;
  z-index: 1;
}

.page-products .sv-head {
  max-width: 720px;
}

.page-products .sv-head--wide {
  max-width: 780px;
}

.page-products .sv-head .h-sec {
  margin-top: 16px;
}

.page-products .sv-head .prose {
  margin-top: 18px;
}

.page-products .sv-tree {
  margin-top: clamp(34px, 4.6vw, 64px);
  border-top: 1px solid var(--line);
}

.page-products .sv-cat {
  border-bottom: 1px solid var(--line);
}

.page-products .sv-cat__sum {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: baseline;
  gap: clamp(10px, 2vw, 26px);
  padding: clamp(18px, 2.4vw, 24px) clamp(20px, 3vw, 44px) clamp(18px, 2.4vw, 24px) clamp(10px, 1.6vw, 20px);
  cursor: pointer;
  list-style: none;
  transition: background .2s ease;
}

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

.page-products .sv-cat__sum::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mute);
  transition: color .2s ease, transform .2s ease;
}

.page-products .sv-cat[open] .sv-cat__sum::after {
  content: "−";
  color: var(--violet);
}

.page-products .sv-cat__sum:hover {
  background: rgba(110, 75, 255, .07);
}

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

.page-products .sv-cat__num {
  font-size: clamp(14px, 1.6vw, 18px);
  letter-spacing: .06em;
}

.page-products .sv-cat__name {
  font-size: clamp(17px, 2.3vw, 23px);
  font-weight: 300;
  color: var(--hi);
  letter-spacing: .02em;
}

.page-products .sv-cat__count {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mute);
  white-space: nowrap;
}

.page-products .sv-cat__body {
  padding: 0 clamp(10px, 1.6vw, 20px) clamp(24px, 3vw, 34px);
}

.page-products .sv-cat__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--body);
}

.page-products .sv-cat__scene {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-products .sv-cat__items {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 8px;
}

.page-products .sv-cat__items li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 11px;
  border: 1px solid var(--sv-hair);
  border-radius: var(--radius);
  background: rgba(11, 16, 32, .66);
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
}

.page-products .sv-cat__items .mono {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .04em;
  flex: none;
}

@media (min-width: 900px) {
  .page-products .sv-cat__body {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: clamp(24px, 4vw, 64px);
    align-items: start;
  }

  .page-products .sv-cat__items {
    margin-top: 0;
  }
}

/* ---------- 三步查找路径 ---------- */

.page-products .sv-path__grid {
  display: grid;
  gap: clamp(30px, 4.4vw, 64px);
}

.page-products .sv-path__copy .h-sec {
  margin-top: 16px;
}

.page-products .sv-steps {
  position: relative;
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(24px, 3vw, 34px);
}

.page-products .sv-step {
  position: relative;
  padding-top: 30px;
}

.page-products .sv-step::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 13px);
}

.page-products .sv-step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--violet);
}

.page-products .sv-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .sv-step .h-sub {
  margin: 10px 0 0;
  font-size: clamp(17px, 2vw, 20px);
}

.page-products .sv-step p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .sv-note {
  display: flex;
  gap: 10px;
  margin: clamp(28px, 3.4vw, 40px) 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--gold);
  background: rgba(232, 180, 92, .06);
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .sv-note strong {
  color: var(--gold);
  font-weight: 500;
}

.page-products .sv-path__media {
  margin: 0;
}

.page-products .sv-path__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 760px) {
  .page-products .sv-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 30px);
  }
}

@media (min-width: 980px) {
  .page-products .sv-path__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 左右分屏对照 ---------- */

.page-products .sv-split-sec .h-sec {
  margin-top: 16px;
}

.page-products .sv-split {
  margin-top: clamp(34px, 4.4vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(11, 16, 32, .88), rgba(5, 7, 14, .96));
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-products .sv-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(22px, 3vw, 38px);
  min-width: 0;
}

.page-products .sv-panel--w1 {
  background: var(--sv-panel-cool);
}

.page-products .sv-panel--xb8x {
  background: var(--sv-panel-violet);
}

.page-products .sv-panel__code {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  letter-spacing: .04em;
}

.page-products .sv-panel__head .h-sub {
  margin: 12px 0 0;
  font-size: clamp(18px, 2vw, 22px);
}

.page-products .sv-panel__tag {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

.page-products .sv-panel__media {
  margin: 0;
}

.page-products .sv-panel__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .sv-panel__specs {
  margin: 0;
  display: grid;
  gap: 0;
  max-height: 320px;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .sv-panel__specs > div {
  padding: 12px 2px;
  border-bottom: 1px solid var(--sv-hair);
}

.page-products .sv-panel__specs dt {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mute);
}

.page-products .sv-panel__specs dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

.page-products .sv-seam {
  position: relative;
  z-index: 2;
  min-height: 3px;
  background: linear-gradient(90deg, rgba(110, 75, 255, .12), var(--violet), rgba(110, 75, 255, .12));
}

.page-products .sv-seam__grip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--violet);
  box-shadow: 0 0 0 7px rgba(110, 75, 255, .14);
}

.page-products .sv-split__hint {
  margin: clamp(22px, 2.6vw, 30px) 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

@media (min-width: 900px) {
  .page-products .sv-split {
    grid-template-columns: minmax(0, 1fr) 3px minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .sv-seam {
    min-height: 100%;
    background: linear-gradient(180deg, rgba(110, 75, 255, .1), var(--violet) 30%, var(--violet) 70%, rgba(110, 75, 255, .1));
  }
}

/* ---------- 差异维度表 ---------- */

.page-products .sv-diff .h-sec {
  margin-top: 16px;
}

.page-products .sv-diff__fig {
  margin: clamp(30px, 4vw, 48px) 0 clamp(30px, 4vw, 44px);
}

.page-products .sv-diff__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .sv-diff__wrap {
  overflow-x: auto;
}

.page-products .sv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.7;
}

.page-products .sv-table caption {
  text-align: left;
  padding-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mute);
}

.page-products .sv-table th,
.page-products .sv-table td {
  text-align: left;
  vertical-align: top;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--body);
}

.page-products .sv-table thead th {
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mute);
  border-bottom: 1px solid var(--violet);
  white-space: nowrap;
}

.page-products .sv-table tbody th {
  font-weight: 400;
  color: var(--hi);
  white-space: nowrap;
}

.page-products .sv-table tbody tr:hover td,
.page-products .sv-table tbody tr:hover th,
.page-products .sv-table tbody tr:focus-within td,
.page-products .sv-table tbody tr:focus-within th {
  background: rgba(110, 75, 255, .09);
}

@media (max-width: 719px) {
  .page-products .sv-diff__wrap {
    overflow-x: visible;
  }

  .page-products .sv-table,
  .page-products .sv-table tbody,
  .page-products .sv-table tr,
  .page-products .sv-table th,
  .page-products .sv-table td {
    display: block;
    width: 100%;
  }

  .page-products .sv-table thead {
    display: none;
  }

  .page-products .sv-table caption {
    padding-bottom: 10px;
  }

  .page-products .sv-table tbody tr {
    margin-bottom: 14px;
    padding: 8px 4px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(11, 16, 32, .7);
    box-shadow: 3px 3px 0 rgba(0, 0, 0, .55);
  }

  .page-products .sv-table tbody th {
    padding: 8px 14px 12px;
    margin-bottom: 6px;
    border-bottom: 1px solid var(--violet);
    font-size: 15px;
    color: var(--hi);
  }

  .page-products .sv-table tbody td {
    border-bottom: 0;
    padding: 8px 14px;
  }

  .page-products .sv-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .16em;
    color: var(--mute);
  }
}

/* ---------- 版本代号 ---------- */

.page-products .sv-codes .h-sec {
  margin-top: 16px;
}

.page-products .sv-codes__grid {
  margin-top: clamp(30px, 4vw, 50px);
  display: grid;
  gap: 20px;
}

.page-products .sv-code {
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-products .sv-code--current {
  border-color: var(--violet);
  background: linear-gradient(158deg, rgba(110, 75, 255, .22), rgba(11, 16, 32, .96) 62%);
}

.page-products .sv-code__mark {
  margin: 0;
  font-size: clamp(38px, 7.5vw, 74px);
  line-height: 1;
  letter-spacing: .02em;
}

.page-products .sv-code .h-sub {
  margin: 14px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  color: var(--hi);
}

.page-products .sv-code p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body);
}

.page-products .sv-codes__note {
  margin: clamp(26px, 3vw, 38px) 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

@media (min-width: 780px) {
  .page-products .sv-codes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 3.4vw, 52px);
  }
}

/* ---------- 典型使用场景 ---------- */

.page-products .sv-scenes .h-sec {
  margin-top: 16px;
}

.page-products .sv-scene-list {
  list-style: none;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .sv-scene {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 3vw, 44px);
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .sv-scene__idx {
  padding-top: 4px;
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .sv-scene__body {
  min-width: 0;
}

.page-products .sv-scene__body .h-sub {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  color: var(--hi);
}

.page-products .sv-scene__body p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body);
}

.page-products .sv-scene__path {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mute);
}

.page-products .sv-scenes__more {
  margin: clamp(28px, 3.4vw, 42px) 0 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mute);
}

@media (min-width: 760px) {

  .page-products .sv-table th,
  .page-products .sv-table td {
    padding: 18px 22px;
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 560px) {
  .page-products .sv-hero__title {
    font-size: clamp(28px, 8.2vw, 46px);
    max-width: 100%;
  }

  .page-products .sv-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-products .sv-hero__actions .btn {
    width: 100%;
    text-align: center;
  }

  .page-products .sv-cat__sum {
    grid-template-columns: auto minmax(0, 1fr) auto;
    row-gap: 4px;
  }

  .page-products .sv-cat__count {
    grid-column: 2 / 3;
    font-size: 11px;
  }

  .page-products .sv-cat__sum::after {
    grid-row: 1 / 2;
    grid-column: 3 / 4;
  }

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

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .sv-cat__sum,
  .page-products .sv-cat__sum::after {
    transition: none;
  }

  .page-products .sv-seam,
  .page-products .sv-seam__grip {
    box-shadow: none;
  }
}
<<<END>>>