.page-products {
  --svc-gap: clamp(18px, 3vw, 36px);
}

.page-products .svc-breadcrumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 封面 ---------- */
.page-products .svc-cover {
  padding-bottom: clamp(30px, 5vw, 62px);
  background: linear-gradient(178deg, var(--paper) 0%, var(--paper) 46%, var(--mint) 100%);
}

.page-products .svc-cover__inner {
  padding-top: clamp(18px, 3.2vw, 38px);
}

.page-products .svc-cover__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: end;
}

.page-products .svc-cover h1 {
  margin: 14px 0 18px;
  max-width: 19ch;
  font-family: var(--font-sans);
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .svc-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-products .svc-cover__figure {
  margin: 0;
}

.page-products .svc-cover__figure .img-frame {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .img-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mid);
  opacity: .84;
}

.page-products .svc-cover__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(30px, 4.6vw, 52px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.page-products .svc-cover__stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 16px 16px 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .svc-stat__num {
  font-family: var(--font-narrow);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
  line-height: 1;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-products .svc-stat__label {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--mid);
}

/* ---------- 六项服务说明 ---------- */
.page-products .svc-index {
  padding: clamp(38px, 6vw, 82px) 0 clamp(30px, 4.4vw, 58px);
}

.page-products .svc-index__intro {
  max-width: 44ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mid);
}

.page-products .svc-tabs {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .svc-tabs__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-products .svc-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 90px;
  padding: 15px 14px 19px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  appearance: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-products .svc-tab:hover {
  border-color: var(--gold);
}

.page-products .svc-tab:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -4px;
}

.page-products .svc-tab[aria-selected="true"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--deep);
}

.page-products .svc-tab__num {
  font-family: var(--font-narrow);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .svc-tab[aria-selected="true"] .svc-tab__num {
  color: var(--deep);
  opacity: .72;
}

.page-products .svc-tab__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.01em;
}

.page-products .svc-panel {
  margin-top: 14px;
  padding: clamp(22px, 3.4vw, 42px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .svc-panel[hidden] {
  display: none;
}

.page-products .svc-panel__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-products .svc-panel__main h3 {
  margin: 10px 0 14px;
  font-family: var(--font-sans);
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.008em;
  color: var(--deep);
}

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

.page-products .svc-panel__data {
  margin: 0;
  border-top: 1px solid var(--ink);
}

.page-products .svc-panel__data .data-row {
  display: grid;
  grid-template-columns: minmax(84px, 100px) minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.65;
}

.page-products .svc-panel__data dt {
  color: var(--mid);
  letter-spacing: 0.04em;
}

.page-products .svc-panel__data dd {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
}

.page-products .svc-levels {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .svc-levels li {
  display: grid;
  grid-template-columns: 106px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--mid);
}

.page-products .svc-levels__bar {
  display: block;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--gold), var(--gold-sand));
}

.page-products .svc-levels li:nth-child(2) .svc-levels__bar { width: 88%; }
.page-products .svc-levels li:nth-child(3) .svc-levels__bar { width: 76%; }
.page-products .svc-levels li:nth-child(4) .svc-levels__bar { width: 64%; }
.page-products .svc-levels li:nth-child(5) .svc-levels__bar { width: 52%; }

/* ---------- 资料下载清单 ---------- */
.page-products .svc-downloads {
  padding: clamp(38px, 6vw, 82px) 0 clamp(34px, 5vw, 66px);
  background: var(--mint);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .svc-downloads__figure {
  margin: 0 0 clamp(26px, 4vw, 48px);
}

.page-products .svc-downloads__intro {
  max-width: 46ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mid);
}

.page-products .svc-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-products .svc-filter__btn {
  appearance: none;
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.4;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-products .svc-filter__btn:hover {
  border-color: var(--gold);
}

.page-products .svc-filter__btn:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -4px;
}

.page-products .svc-filter__btn[aria-pressed="true"] {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--paper);
}

.page-products .dl-table {
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--ink);
}

.page-products .dl-head {
  display: none;
}

.page-products .dl-list {
  background: var(--paper);
}

.page-products .dl-row {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .dl-row[hidden] {
  display: none;
}

.page-products .dl-row__summary {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num meta"
    "num form"
    "num quarter";
  gap: 3px 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-products .dl-row__summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-row__summary:hover {
  background: rgba(199, 154, 59, .13);
}

.page-products .dl-row__summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -4px;
}

.page-products .dl-row__num {
  grid-area: num;
  font-family: var(--font-narrow);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .dl-row__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .dl-row__name::after {
  content: "＋";
  margin-left: 8px;
  font-size: 13px;
  font-weight: 400;
  color: var(--gold);
}

.page-products .dl-row[open] .dl-row__name::after {
  content: "－";
}

.page-products .dl-row__meta,
.page-products .dl-row__form,
.page-products .dl-row__quarter {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mid);
}

.page-products .dl-row__meta { grid-area: meta; }
.page-products .dl-row__form { grid-area: form; }

.page-products .dl-row__quarter {
  grid-area: quarter;
  font-weight: 700;
  color: var(--coral-deep);
}

.page-products .dl-row__detail {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-products .dl-row__detail p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mid);
}

/* ---------- 版本说明 ---------- */
.page-products .svc-versions {
  padding: clamp(38px, 6vw, 84px) 0;
}

.page-products .svc-versions__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 54px);
}

.page-products .svc-versions__figure {
  margin: 0;
}

.page-products .svc-versions__list {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.page-products .svc-versions__list li {
  display: grid;
  grid-template-columns: minmax(76px, 92px) minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mid);
}

.page-products .svc-versions__key {
  font-weight: 700;
  color: var(--deep);
  letter-spacing: 0.02em;
}

/* ---------- 延伸入口 ---------- */
.page-products .svc-next {
  padding: clamp(36px, 5.4vw, 78px) 0 clamp(44px, 6vw, 92px);
  background: var(--deep);
  color: var(--paper);
}

.page-products .svc-next .section-head__num {
  color: var(--gold);
}

.page-products .svc-next .section-head__title {
  color: var(--paper);
}

.page-products .svc-next__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 3.4vw, 42px);
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-products .svc-next__panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--deep);
  color: var(--paper);
  text-decoration: none;
  clip-path: none;
  transition: background var(--dur) var(--ease);
}

.page-products .svc-next__panel:hover,
.page-products .svc-next__panel:focus-visible {
  background: var(--mid);
}

.page-products .svc-next__panel:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: -4px;
}

.page-products .svc-next__num {
  font-family: var(--font-narrow);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .svc-next__title {
  font-family: var(--font-sans);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 900;
  line-height: 1.3;
}

.page-products .svc-next__desc {
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(250, 247, 241, .78);
}

/* ---------- 响应式 ---------- */
@media (min-width: 660px) {
  .page-products .svc-cover__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .svc-cover__stats li {
    padding: 20px 22px 18px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .page-products .svc-cover__stats li:last-child {
    padding-right: 0;
    border-right: 0;
  }
}

@media (min-width: 760px) {
  .page-products .svc-tabs__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .page-products .svc-tab {
    padding: 18px 18px 22px;
    min-height: 100px;
  }

  .page-products .svc-tab__name {
    font-size: 16px;
  }

  .page-products .dl-head {
    display: grid;
    grid-template-columns: 62px minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, .85fr);
    gap: 14px;
    padding: 11px 18px;
    font-family: var(--font-narrow);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mid);
    border-bottom: 1px solid var(--line);
  }

  .page-products .dl-row__summary {
    grid-template-columns: 62px minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, .85fr);
    grid-template-areas: "num name meta form quarter";
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
  }

  .page-products .dl-row__detail {
    padding: 16px 18px 20px;
  }

  .page-products .dl-row__detail p {
    max-width: 78ch;
  }
}

@media (min-width: 900px) {
  .page-products .svc-cover__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-products .svc-panel__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .svc-panel__data {
    position: sticky;
    top: calc(var(--header-offset) + 24px);
  }

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

@media (min-width: 1000px) {
  .page-products .svc-versions__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-tab,
  .page-products .svc-filter__btn,
  .page-products .dl-row__summary,
  .page-products .svc-next__panel {
    transition: none;
  }
}
<<<END>>>