.page-products {
  --pp-surface: rgba(11, 42, 51, 0.76);
  --pp-surface-soft: rgba(27, 23, 64, 0.55);
  --pp-shadow: 0 26px 70px rgba(2, 10, 18, 0.5);
}

/* 面包屑 */
.page-products .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--slate);
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--slate-line);
}

.page-products .breadcrumb-link {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

.page-products .breadcrumb-current {
  color: var(--mist);
}

/* 首屏 */
.page-products .pp-hero {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-top: clamp(22px, 4vw, 40px);
  padding-bottom: var(--section-gap);
  align-items: end;
}

.page-products .pp-hero-copy h1 {
  margin: 16px 0 20px;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-products .pp-hero-copy .lede {
  max-width: 56ch;
  color: var(--mist);
  opacity: 0.9;
}

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

.page-products .pp-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--slate-line);
}

.page-products .pp-hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pp-hero-stats .stat-value {
  font-size: 1.35rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-products .pp-hero-stats .stat-label {
  font-size: 12.5px;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-products .pp-hero-media {
  border-radius: var(--r-xl);
  border: 1px solid var(--cyan-line);
  box-shadow: var(--pp-shadow);
  overflow: hidden;
}

.page-products .pp-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 区块头 */
.page-products .pp-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pp-sec-head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pp-sec-head .section-title {
  margin: 0 0 14px;
}

.page-products .pp-sec-lede {
  margin: 0;
  color: var(--mist);
  opacity: 0.86;
}

/* 平台工作台 */
.page-products .pp-platforms {
  background: linear-gradient(180deg, var(--ink-800), rgba(11, 42, 51, 0.35));
  border-top: 1px solid var(--slate-line);
  border-bottom: 1px solid var(--slate-line);
}

.page-products .pp-workbench {
  display: grid;
  gap: var(--gap);
  align-items: start;
}

.page-products .plat-tabs {
  position: relative;
  background: var(--pp-surface);
  border: 1px solid var(--cyan-line);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2.6vw, 34px);
}

.page-products .plat-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .plat-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-products .plat-labels label {
  cursor: pointer;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--slate-line);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
  background: rgba(6, 19, 31, 0.45);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .plat-labels label:hover {
  color: var(--mist);
  border-color: var(--cyan-line);
  transform: translateY(-1px);
}

.page-products #pf-win:checked ~ .plat-labels [for="pf-win"],
.page-products #pf-mac:checked ~ .plat-labels [for="pf-mac"],
.page-products #pf-android:checked ~ .plat-labels [for="pf-android"],
.page-products #pf-ipad:checked ~ .plat-labels [for="pf-ipad"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 600;
}

.page-products #pf-win:focus-visible ~ .plat-labels [for="pf-win"],
.page-products #pf-mac:focus-visible ~ .plat-labels [for="pf-mac"],
.page-products #pf-android:focus-visible ~ .plat-labels [for="pf-android"],
.page-products #pf-ipad:focus-visible ~ .plat-labels [for="pf-ipad"] {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-products .plat-panel {
  display: none;
  animation: pp-fade 320ms var(--ease) both;
}

.page-products #pf-win:checked ~ .plat-panels #panel-win,
.page-products #pf-mac:checked ~ .plat-panels #panel-mac,
.page-products #pf-android:checked ~ .plat-panels #panel-android,
.page-products #pf-ipad:checked ~ .plat-panels #panel-ipad {
  display: block;
}

@keyframes pp-fade {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 表格 */
.page-products .pp-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--slate-line);
  background: rgba(6, 19, 31, 0.4);
}

.page-products .pp-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-products .pp-table caption {
  padding: 14px 16px 10px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--slate-line);
  line-height: 1.7;
}

.page-products .pp-table thead th {
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--slate);
  background: rgba(56, 242, 208, 0.06);
}

.page-products .pp-table tbody th {
  font-weight: 500;
  color: var(--cyan);
  white-space: nowrap;
}

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

.page-products .pp-table tbody tr {
  transition: background var(--t-fast) var(--ease);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(56, 242, 208, 0.08);
}

.page-products .pp-table--ledger th:nth-child(2),
.page-products .pp-table--ledger td:nth-child(2) {
  background: var(--gold-soft);
  color: var(--gold);
}

/* 侧边入口卡 */
.page-products .pp-side-cards {
  display: grid;
  gap: 12px;
}

.page-products .pp-side-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--cyan-line);
  background: rgba(27, 23, 64, 0.5);
  color: var(--mist);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease),
    background var(--t-fast) var(--ease);
}

.page-products .pp-side-card:hover,
.page-products .pp-side-card:focus-visible {
  border-color: var(--cyan);
  background: rgba(56, 242, 208, 0.1);
  transform: translateY(-2px);
}

.page-products .pp-side-card-k {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .pp-side-card strong {
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.page-products .pp-side-card span:last-child {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.7;
}

.page-products .pp-side-card--accent {
  background: var(--gold-soft);
  border-color: rgba(242, 200, 121, 0.4);
}

.page-products .pp-side-card--accent strong {
  color: var(--gold);
}

/* 功能目录区 */
.page-products .pp-ledger {
  background: linear-gradient(180deg, rgba(27, 23, 64, 0.92), rgba(27, 23, 64, 0.45));
  border-bottom: 1px solid var(--slate-line);
}

.page-products .pp-ledger-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .pp-ledger-copy .section-title {
  margin: 0 0 16px;
}

.page-products .pp-ledger-copy p {
  margin: 0 0 16px;
  color: var(--mist);
  opacity: 0.88;
}

.page-products .pp-ledger-copy .pp-table-wrap {
  margin-top: 24px;
}

.page-products .pp-ledger-media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--cyan-line);
}

.page-products .pp-ledger-media img,
.page-products .pp-case-media img,
.page-products .pp-tablet-media img,
.page-products .pp-service-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 平板排障 */
.page-products .pp-tablet {
  background: var(--ink-800);
  border-bottom: 1px solid var(--slate-line);
}

.page-products .pp-tablet-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .pp-tablet-media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--cyan-line);
}

.page-products .pp-stepper {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-step {
  position: relative;
  padding-left: 52px;
}

.page-products .pp-step::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 42px;
  bottom: -16px;
  width: 1px;
  background: linear-gradient(var(--cyan-line), transparent);
}

.page-products .pp-step:last-child::after {
  display: none;
}

.page-products .pp-step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--ink-900);
  color: var(--gold);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-products .pp-step details {
  border: 1px solid var(--slate-line);
  border-radius: var(--r-md);
  background: rgba(6, 19, 31, 0.5);
  overflow: hidden;
}

.page-products .pp-step summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--mist);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.page-products .pp-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 16px;
}

.page-products .pp-step details[open] summary::after {
  content: "−";
}

.page-products .pp-step details[open] summary {
  color: var(--cyan);
}

.page-products .pp-step-body {
  padding: 0 18px 16px;
  border-top: 1px dashed var(--slate-line);
  margin-top: 2px;
}

.page-products .pp-step-body p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.86;
}

.page-products .pp-note {
  margin: 28px 0 0;
  font-size: 13.5px;
  color: var(--slate);
  line-height: 1.8;
}

.page-products .pp-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

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

/* 案例区 */
.page-products .pp-cases {
  background: var(--ink-900);
}

.page-products .pp-case-head {
  display: grid;
  gap: 20px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-products .pp-case-head .section-title {
  margin: 0 0 14px;
}

.page-products .pp-case-badge {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 22px;
  border-radius: var(--r-lg);
  background: var(--wine);
  border: 1px solid rgba(242, 77, 138, 0.35);
  align-self: start;
  justify-self: start;
}

.page-products .pp-case-badge-num {
  font-size: 2.4rem;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-products .pp-case-badge-text {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  opacity: 0.86;
}

.page-products .pp-case-grid {
  display: grid;
  gap: 14px;
}

.page-products .pp-case {
  border: 1px solid var(--cyan-line);
  border-radius: var(--r-lg);
  background: var(--pp-surface-soft);
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .pp-case:hover {
  border-color: var(--cyan);
}

.page-products .pp-case summary {
  cursor: pointer;
  list-style: none;
  padding: 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 14px;
  align-items: center;
}

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

.page-products .pp-case-num {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--gold);
  color: var(--ink-900);
  letter-spacing: 0.04em;
}

.page-products .pp-case-title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--mist);
  line-height: 1.5;
}

.page-products .pp-case summary .tag {
  grid-column: 2;
  justify-self: start;
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--slate-line);
  color: var(--slate);
  letter-spacing: 0.06em;
}

.page-products .pp-case summary::after {
  content: "+";
  grid-column: 2;
  justify-self: end;
  align-self: center;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-products .pp-case[open] summary::after {
  content: "−";
}

.page-products .pp-case-body {
  padding: 4px 20px 22px;
  border-top: 1px dashed var(--slate-line);
}

.page-products .pp-case-body dl {
  margin: 0;
}

.page-products .pp-case-body dt {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pp-case-body dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.88;
}

.page-products .pp-case--feature {
  background: linear-gradient(150deg, var(--wine), rgba(74, 16, 36, 0.55));
  border-color: rgba(242, 200, 121, 0.4);
}

.page-products .pp-case--feature .pp-case-num {
  background: var(--cyan);
  color: var(--ink-900);
}

.page-products .pp-case-media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--slate-line);
}

/* 服务流程 */
.page-products .pp-service {
  background: linear-gradient(180deg, rgba(27, 23, 64, 0.9), rgba(6, 19, 31, 0.6));
  border-bottom: 1px solid var(--slate-line);
}

.page-products .pp-service-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .pp-service-copy .section-title {
  margin: 0 0 14px;
}

.page-products .pp-service-copy > p {
  margin: 0 0 24px;
  color: var(--mist);
  opacity: 0.86;
}

.page-products .pp-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-flow-item {
  position: relative;
  padding: 18px 20px 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--slate-line);
  background: rgba(6, 19, 31, 0.5);
}

.page-products .pp-flow-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--rose);
  margin-bottom: 8px;
}

.page-products .pp-flow-item h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--mist);
}

.page-products .pp-flow-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pp-service-media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--cyan-line);
}

/* 更新节奏 */
.page-products .pp-cadence-section {
  background: var(--ink-900);
}

.page-products .pp-cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-cadence li {
  display: grid;
  gap: 12px;
  padding: 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--slate-line);
  border-left: 3px solid var(--cyan);
  background: rgba(11, 42, 51, 0.5);
}

.page-products .pp-cadence-num {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.01em;
}

.page-products .pp-cadence h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--mist);
}

.page-products .pp-cadence p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pp-cadence a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

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

/* 结尾入口 */
.page-products .pp-cta {
  display: grid;
  gap: 26px;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--r-xl);
  border: 1px solid var(--cyan-line);
  background:
    radial-gradient(circle at 88% 12%, rgba(56, 242, 208, 0.16), transparent 58%),
    linear-gradient(140deg, rgba(11, 42, 51, 0.95), rgba(27, 23, 64, 0.85));
}

.page-products .pp-cta .section-title {
  margin: 0 0 10px;
}

.page-products .pp-cta p {
  margin: 0;
  color: var(--slate);
}

.page-products .pp-cta-links {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-products .pp-cta-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--slate-line);
  background: rgba(6, 19, 31, 0.5);
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.page-products .pp-cta-link .mono {
  font-size: 11.5px;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-products .pp-cta-link:hover,
.page-products .pp-cta-link:focus-visible {
  border-color: var(--cyan);
  background: rgba(56, 242, 208, 0.12);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-products .pp-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pp-case--feature {
    grid-column: span 2;
  }

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

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

@media (min-width: 960px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-hero-media {
    margin-top: 40px;
  }

  .page-products .pp-workbench {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-products .pp-ledger-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-tablet-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-products .pp-tablet-media {
    position: sticky;
    top: 24px;
  }

  .page-products .pp-case-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

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

  .page-products .pp-case--feature {
    grid-column: span 3;
  }

  .page-products .pp-service-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-cadence li {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .pp-cta-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 360px;
  }
}

@media (max-width: 959px) {
  .page-products .pp-side-cards {
    grid-auto-flow: column;
    grid-auto-columns: 78%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .page-products .pp-side-card {
    scroll-snap-align: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .plat-panel {
    animation: none;
  }

  .page-products .pp-side-card,
  .page-products .plat-labels label,
  .page-products .pp-cta-link {
    transition: none;
  }

  .page-products .pp-side-card:hover,
  .page-products .plat-labels label:hover {
    transform: none;
  }
}
<<<END>>>