.page-products {
  --dl-gap: clamp(48px, 7vw, 104px);
  --dl-card-bg: var(--surface);
  display: block;
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-products .breadcrumb {
  padding: 20px 0 4px;
}

.page-products .dl-section {
  margin-top: var(--dl-gap);
}

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

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 20px 0 48px;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -34%;
  width: 86%;
  height: 96%;
  z-index: -1;
  background: linear-gradient(140deg, var(--accent-tint), rgba(217, 183, 177, 0.18) 55%, transparent 78%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 82%);
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 72%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 72%);
}

.page-products .dl-hero__inner {
  display: grid;
  gap: 32px;
}

.page-products .dl-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(32px, 6.4vw, 58px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0;
  color: var(--ink);
}

.page-products .dl-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
}

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

.page-products .dl-hero__meta {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
  line-height: 1.7;
}

.page-products .dl-spec {
  align-self: start;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--dl-card-bg);
  box-shadow: var(--shadow-soft);
}

.page-products .dl-spec__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .dl-spec__list {
  margin: 0;
  padding: 0;
}

.page-products .dl-spec__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
}

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

.page-products .dl-spec__row dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
}

.page-products .dl-spec__row dd {
  margin: 0;
  color: var(--ink);
  text-align: right;
}

.page-products .dl-spec__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 四类服务 ---------- */
.page-products .service-grid {
  display: grid;
  gap: 16px;
}

.page-products .svc {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--dl-card-bg);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-products .svc:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-soft);
}

.page-products .svc--client {
  border-color: var(--accent);
  background:
    linear-gradient(180deg, var(--accent-tint), transparent 46%),
    var(--dl-card-bg);
}

.page-products .svc--org {
  border-style: dashed;
}

.page-products .svc__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
}

.page-products .svc__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .svc__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

.page-products .svc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-products .svc__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .svc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.page-products .svc__link {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-products .svc__link:hover,
.page-products .svc__link:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- 设备矩阵 ---------- */
.page-products .device-layout {
  display: grid;
  gap: 24px;
}

.page-products .device-pick {
  order: -1;
  border-radius: var(--radius-md);
}

.page-products .device-pick__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.page-products .device-pick__title {
  margin: 8px 0 14px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .device-pick__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .device-pick__list li {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .device-pick__list li span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
}

.page-products .device-pick__list li strong {
  font-weight: 500;
  color: var(--ink);
}

.page-products .device-pick__note {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .device-table {
  border-top: 1px solid var(--line);
}

.page-products .device-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .device-row--head {
  display: none;
}

.page-products .device-cell {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}

.page-products .device-cell::before {
  content: attr(data-label);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
  opacity: 0.85;
}

.page-products .device-cell--os {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-products .device-cell--mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent-deep);
}

/* ---------- 三步开始 ---------- */
.page-products .start-layout {
  display: grid;
  gap: 28px;
}

.page-products .start-steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-products .step {
  padding-top: 16px;
  border-top: 2px solid var(--accent);
}

.page-products .step__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.page-products .step__title {
  margin: 8px 0 6px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

.page-products .start-body__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .start-body__note a,
.page-products .qa__body a,
.page-products .notice-aside__text a {
  color: var(--accent-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-soft);
}

.page-products .start-body__note a:hover,
.page-products .qa__body a:hover,
.page-products .notice-aside__text a:hover {
  border-bottom-color: var(--accent-deep);
}

.page-products .start-figure {
  margin: 0;
}

/* ---------- 手册与活动包 ---------- */
.page-products .pack-layout {
  display: grid;
  gap: 28px;
}

.page-products .pack-lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
  max-width: 36em;
}

.page-products .pack-stats {
  display: grid;
  gap: 12px;
  margin: 26px 0;
}

.page-products .pack-stat {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--frost);
  border-left: 3px solid var(--accent);
}

.page-products .pack-stat__num {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent-deep);
}

.page-products .pack-stat__text {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--rock);
}

.page-products .pack-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pack-list li {
  padding: 12px 0 12px 18px;
  border-left: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

.page-products .pack-list strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pack-figure {
  margin: 0;
}

/* ---------- 机构合作 ---------- */
.page-products .coop-layout {
  display: grid;
  gap: 28px;
}

.page-products .coop-steps {
  display: grid;
  gap: 16px;
}

.page-products .coop-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--dl-card-bg);
}

.page-products .coop-step__num {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
  padding-top: 2px;
}

.page-products .coop-step__title {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .coop-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .coop-aside {
  display: grid;
  gap: 20px;
}

.page-products .coop-figure {
  margin: 0;
}

.page-products .coop-facts {
  padding: 20px;
  border-radius: var(--radius-md);
}

.page-products .coop-facts__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.page-products .coop-facts__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .coop-facts__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .coop-facts__num {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-deep);
  min-width: 2.2em;
}

.page-products .coop-facts__text {
  font-size: 14px;
  color: var(--ink);
}

.page-products .coop-facts__note {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 下载前须知 ---------- */
.page-products .notice-layout {
  display: grid;
  gap: 28px;
}

.page-products .notice-lead {
  margin: 14px 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .qa {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--dl-card-bg);
  overflow: hidden;
}

.page-products .qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

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

.page-products .qa summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-deep);
}

.page-products .qa[open] summary::after {
  content: "－";
}

.page-products .qa[open] summary {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .qa summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.page-products .qa__body {
  padding: 14px 18px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}

.page-products .notice-aside {
  align-self: start;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(200deg, var(--accent-tint), transparent 60%),
    var(--frost);
}

.page-products .notice-aside__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.page-products .notice-aside__title {
  margin: 8px 0 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .notice-aside__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .notice-aside__text:last-child {
  margin-top: 16px;
  margin-bottom: 0;
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-products .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .service-grid {
    gap: 20px;
  }

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

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

  .page-products .start-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero {
    padding: 28px 0 64px;
  }

  .page-products .dl-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.72fr);
    align-items: end;
    gap: 56px;
  }

  .page-products .dl-hero__lead {
    font-size: 17px;
  }

  .page-products .dl-spec {
    padding: 24px 22px 20px;
  }

  .page-products .svc--client {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    grid-template-areas:
      "tag tag"
      "title title"
      "text list"
      "link list";
    column-gap: 32px;
    align-items: start;
    padding: 26px 24px;
  }

  .page-products .svc--client .svc__tag { grid-area: tag; }
  .page-products .svc--client .svc__title { grid-area: title; font-size: 24px; }
  .page-products .svc--client .svc__text { grid-area: text; margin: 0; }
  .page-products .svc--client .svc__list { grid-area: list; align-self: start; padding-top: 4px; }
  .page-products .svc--client .svc__link { grid-area: link; margin-top: 12px; }

  .page-products .device-layout {
    grid-template-columns: minmax(0, 1.72fr) minmax(0, 0.78fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .device-pick {
    order: 0;
    position: sticky;
    top: 96px;
  }

  .page-products .device-row {
    grid-template-columns: 1.05fr 1.5fr 0.75fr 1.45fr;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
  }

  .page-products .device-row--head {
    display: grid;
    padding: 0 0 10px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.09em;
    color: var(--rock);
  }

  .page-products .device-row--head span {
    display: block;
  }

  .page-products .device-cell {
    display: block;
  }

  .page-products .device-cell::before {
    display: none;
  }

  .page-products .start-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .start-figure {
    position: sticky;
    top: 96px;
  }

  .page-products .pack-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pack-stats {
    margin: 28px 0 30px;
  }

  .page-products .coop-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .notice-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .notice-aside {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1180px) {
  .page-products .dl-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.62fr);
    gap: 72px;
  }

  .page-products .service-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .svc--client {
    grid-column: span 6;
  }

  .page-products .svc:not(.svc--client) {
    grid-column: span 2;
  }

  .page-products .pack-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc {
    transition: none;
  }

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