.page-products {
  --prod-num: clamp(32px, 7vw, 48px);
  --prod-border: 2px solid var(--line);
  --prod-shadow: 6px 6px 0 var(--line);
  background: var(--cream);
  color: var(--text-ink);
}

/* 面包屑 */
.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-products .breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line);
}
.page-products .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
}
.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--amber);
}
.page-products .breadcrumb-current {
  color: var(--cream);
}

/* 首屏 */
.page-products .prod-hero {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(242, 160, 61, 0.18) 0%, rgba(242, 160, 61, 0) 58%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--cream);
  padding: 26px 0 52px;
  border-bottom: var(--prod-border);
}

.page-products .hero-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-products .hero-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-products .hero-title {
  margin: 14px 0 0;
  font-size: clamp(30px, 8vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-products .hero-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-products .prod-hero .btn--ghost {
  color: var(--cream);
  border-color: var(--mist);
}

.page-products .hero-card {
  background: var(--cream);
  color: var(--text-ink);
  border: var(--prod-border);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 0 var(--amber);
  padding: 18px 16px 16px;
}

.page-products .hero-card-head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.page-products .hero-card-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .hero-card-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--grid-blue);
  font-size: 15px;
  line-height: 1.5;
}

.page-products .hero-card-list li:last-child {
  border-bottom: 0;
}

.page-products .hero-card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-press);
  min-width: 2em;
}

.page-products .hero-card-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 2px solid var(--line);
  font-size: 13px;
  color: var(--text-muted);
}

/* 通用区块 */
.page-products .prod-section {
  padding: 52px 0;
  border-bottom: var(--prod-border);
}

.page-products .prod-section--dark {
  background: var(--ink);
  color: var(--cream);
  border-bottom: var(--prod-border);
}

.page-products .prod-section--grid {
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-blue) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
}

.page-products .prod-section--paper {
  background: var(--paper);
}

.page-products .prod-head {
  max-width: 42em;
  margin-bottom: 30px;
}

.page-products .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-press);
}

.page-products .eyebrow--amber {
  color: var(--amber);
}

.page-products .prod-title {
  margin: 12px 0 0;
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .prod-section--dark .prod-title {
  color: var(--cream);
}

.page-products .prod-lead {
  margin: 14px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 34em;
}

.page-products .prod-section--dark .prod-lead {
  color: var(--mist);
}

.page-products .prod-footnote {
  margin: 26px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--amber);
  background: rgba(255, 255, 255, 0.04);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 图 */
.page-products .prod-figure {
  margin: 0 0 30px;
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--prod-border);
  border-radius: var(--radius);
  background: var(--paper);
  object-fit: cover;
}

.page-products .prod-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.page-products .prod-section--dark .prod-figure .media-caption {
  color: var(--mist);
}

.page-products .prod-figure--inline {
  margin: 30px 0 0;
}

.page-products .prod-figure--side {
  margin: 0;
}

.page-products .prod-figure--square {
  margin: 0;
}

/* 服务清单：编号栏 + 说明栏 */
.page-products .svc-layout {
  display: grid;
  gap: 24px;
}

.page-products .svc-rail-head {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.page-products .svc-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .svc-rail-list li {
  flex: 0 0 auto;
}

.page-products .svc-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  min-height: 44px;
  border: var(--prod-border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--text-ink);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
}

.page-products .svc-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber-press);
}

.page-products .svc-rail-link:hover,
.page-products .svc-rail-link:focus-visible {
  border-color: var(--amber-press);
}

.page-products .svc-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .svc-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 16px;
  background: var(--paper);
  border: var(--prod-border);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--line);
}

.page-products .svc-num {
  font-family: var(--font-mono);
  font-size: var(--prod-num);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--amber-press);
  font-variant-numeric: tabular-nums;
}

.page-products .svc-title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .svc-body p {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-products .svc-meta {
  font-family: var(--font-mono);
  font-size: 12.5px !important;
  line-height: 1.7 !important;
  color: var(--amber-press) !important;
  border-top: 1px solid var(--grid-blue);
  padding-top: 8px;
}

/* 注册四步 */
.page-products .reg-grid {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .reg-card {
  position: relative;
  padding: 18px 16px;
  background: var(--ink-2);
  border: var(--prod-border);
  border-radius: var(--radius);
}

.page-products .reg-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .reg-title {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--cream);
}

.page-products .reg-card > p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .reg-details {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-products .reg-details summary {
  display: inline-block;
  padding: 4px 0;
  min-height: 32px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

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

.page-products .reg-details summary::before {
  content: "+ ";
}

.page-products .reg-details[open] summary::before {
  content: "− ";
}

.page-products .reg-details p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* 订阅周期 */
.page-products .plan-layout {
  display: grid;
  gap: 26px;
}

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

.page-products .plan-card {
  padding: 20px 18px;
  background: var(--paper);
  border: var(--prod-border);
  border-radius: var(--radius);
}

.page-products .plan-card--pick {
  border-color: var(--amber);
  box-shadow: var(--prod-shadow);
}

.page-products .plan-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

.page-products .plan-card--pick .plan-label {
  color: var(--amber-press);
}

.page-products .plan-title {
  margin: 8px 0 0;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .plan-text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-products .plan-meta {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--grid-blue);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--amber-press);
}

.page-products .plan-note {
  margin-top: 28px;
  padding: 20px 18px;
  background: var(--ink);
  color: var(--cream);
  border: var(--prod-border);
  border-radius: var(--radius);
  box-shadow: var(--prod-shadow);
}

.page-products .plan-note-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--cream);
}

.page-products .plan-note-list {
  margin: 14px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .plan-note-foot {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .plan-note-foot .text-link {
  color: var(--amber);
}

/* 资源下载 */
.page-products .res-layout {
  display: grid;
  gap: 26px;
}

.page-products .res-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .res-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  min-height: 44px;
  background: var(--paper);
  border: var(--prod-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
}

.page-products .res-tag-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-press);
}

.page-products .res-text {
  margin: 20px 0 0;
  padding: 0 0 0 14px;
  border-left: 3px solid var(--line);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 34em;
}

.page-products .res-link {
  display: inline-block;
  margin-top: 18px;
}

/* 帮助文档 */
.page-products .help-layout {
  display: grid;
  gap: 30px;
}

.page-products .help-sub {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .help-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-products .help-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 10px 11px 0;
  border-bottom: 1px solid var(--grid-blue);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-products .help-item--key {
  background: rgba(242, 160, 61, 0.12);
  border-left: 4px solid var(--amber);
  padding-left: 12px;
  color: var(--ink);
  font-weight: 700;
}

.page-products .help-idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-press);
  min-width: 2em;
}

.page-products .help-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-products .help-channels {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .chan-card {
  padding: 16px;
  background: var(--paper);
  border: var(--prod-border);
  border-radius: var(--radius);
}

.page-products .chan-name {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-press);
}

.page-products .chan-title {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.page-products .chan-card p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
  word-break: break-word;
}

.page-products .chan-link {
  display: inline-block;
  margin-top: 6px;
}

/* 使用场景 */
.page-products .scene-grid {
  display: grid;
  gap: 16px;
}

.page-products .scene-card {
  padding: 20px 18px;
  background: var(--cream);
  border: var(--prod-border);
  border-radius: var(--radius);
  border-top: 6px solid var(--amber);
}

.page-products .scene-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-press);
}

.page-products .scene-title {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .scene-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* 收尾 */
.page-products .prod-cta {
  background: var(--ink);
  color: var(--cream);
  padding: 44px 0;
}

.page-products .prod-cta-inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-products .prod-cta-title {
  margin: 0;
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--cream);
}

.page-products .prod-cta-text {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

.page-products .prod-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .prod-cta .btn--ghost {
  color: var(--cream);
  border-color: var(--mist);
}

/* 响应式 */
@media (min-width: 600px) {
  .page-products .svc-item {
    padding: 22px 20px;
    box-shadow: var(--prod-shadow);
  }
  .page-products .scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-products .prod-section {
    padding: 64px 0;
  }
  .page-products .prod-lead,
  .page-products .hero-lead {
    font-size: 18px;
  }
  .page-products .reg-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .plan-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .help-layout {
    grid-template-columns: 6fr 5fr;
    gap: 36px;
    align-items: start;
  }
  .page-products .help-channels {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero {
    padding: 34px 0 68px;
  }
  .page-products .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
  }
  .page-products .hero-card {
    padding: 22px 20px 18px;
  }
  .page-products .svc-layout {
    grid-template-columns: 4fr 8fr;
    gap: 40px;
    align-items: start;
  }
  .page-products .svc-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-products .svc-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 2px solid var(--line);
  }
  .page-products .svc-rail-link {
    display: flex;
    width: 100%;
    padding: 9px 12px;
    margin-left: -2px;
    border: 0;
    border-left: 4px solid transparent;
    border-radius: 0;
    background: transparent;
    justify-content: flex-start;
  }
  .page-products .svc-rail-link:hover,
  .page-products .svc-rail-link:focus-visible {
    border-left-color: var(--amber);
    color: var(--amber-press);
    background: rgba(242, 160, 61, 0.08);
  }
  .page-products .plan-layout {
    grid-template-columns: 7fr 5fr;
    gap: 36px;
    align-items: start;
  }
  .page-products .res-layout {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }
  .page-products .prod-cta-inner {
    grid-template-columns: 1fr auto;
    gap: 40px;
  }
}

@media (min-width: 1080px) {
  .page-products .reg-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .page-products .reg-card::after {
    content: "";
    position: absolute;
    top: 32px;
    right: -13px;
    width: 9px;
    height: 2px;
    background: var(--amber);
  }
  .page-products .reg-card:last-child::after {
    display: none;
  }
  .page-products .scene-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .svc-rail-link,
  .page-products .reg-details summary {
    transition: none;
  }
}
<<<END>>>