.page-products {
  --prod-gap: clamp(20px, 3vw, 40px);
  --prod-pad-x: clamp(18px, 3vw, 40px);
  --prod-panel-pad: clamp(18px, 2.6vw, 30px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  padding-top: clamp(14px, 2vw, 22px);
  padding-bottom: 4px;
}
.page-products .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-products .breadcrumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--quiet);
}
.page-products .breadcrumbs__list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .breadcrumbs__list a:hover,
.page-products .breadcrumbs__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-products .breadcrumbs__list [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏框景 ---------- */
.page-products .prod-hero {
  padding-top: clamp(18px, 2.6vw, 32px);
  padding-bottom: clamp(36px, 5vw, 76px);
}
.page-products .prod-hero__frame {
  position: relative;
  border: 2px solid var(--line-strong);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(0, 230, 178, 0.13) 0%, rgba(0, 230, 178, 0) 56%),
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 66%);
  box-shadow: var(--hard-shadow);
  padding: clamp(26px, 4vw, 58px) var(--prod-pad-x);
}
.page-products .prod-hero__frame::before,
.page-products .prod-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}
.page-products .prod-hero__frame::before {
  top: -9px;
  left: -9px;
  border-right: 0;
  border-bottom: 0;
}
.page-products .prod-hero__frame::after {
  bottom: -9px;
  right: -9px;
  border-left: 0;
  border-top: 0;
}
.page-products .prod-hero h1 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 22ch;
}
.page-products .prod-hero__lead {
  margin: 22px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}
.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 34px);
}
.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: 0;
  background: var(--line);
  border: 2px solid var(--line);
}
.page-products .prod-hero__stats > div {
  background: var(--ink-2);
  padding: 16px 18px;
}
.page-products .prod-hero__stats dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-products .prod-hero__stats dd {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 通用章节头 ---------- */
.page-products .prod-head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 3vw, 38px);
}
.page-products .prod-eyebrow {
  display: inline-block;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-products .prod-head h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.24;
  color: var(--paper);
}
.page-products .prod-head p {
  margin: 16px 0 0;
  max-width: 48ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}
.page-products .section--paper .prod-head h2 {
  color: var(--ink);
}
.page-products .section--paper .prod-head p {
  color: #46586A;
}
.page-products .section--paper .prod-eyebrow {
  border-left-color: #0F6E57;
  color: #0F6E57;
}

/* ---------- 三条产品线 ---------- */
.page-products .prod-lines__switch {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}
.page-products .prod-lines__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
}
.page-products .prod-line {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--prod-panel-pad);
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--hard-shadow);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .prod-line:hover {
  transform: translate(2px, 2px);
  border-color: var(--line-strong);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, 0.42);
}
.page-products .prod-line--focus {
  border-color: var(--cyan);
}
.page-products .prod-line .card__label {
  align-self: flex-start;
}
.page-products .prod-line .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.25;
  color: var(--paper);
}
.page-products .prod-line__desc {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.82;
}
.page-products .prod-line__facts {
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.page-products .prod-line__facts li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  font-size: 13.5px;
  line-height: 1.6;
}
.page-products .prod-line__facts span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--quiet);
}
.page-products .prod-line__facts b {
  font-weight: 500;
  color: var(--paper);
  text-align: right;
}
.page-products .prod-lines__figure {
  margin-top: clamp(28px, 3.4vw, 44px);
}
.page-products .media--wide {
  aspect-ratio: 16 / 9;
}
.page-products .prod-lines__note {
  margin-top: clamp(22px, 2.6vw, 32px);
}

/* ---------- 小屏版 ---------- */
.page-products .prod-mobile__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 3.4vw, 48px);
  align-items: start;
}
.page-products .prod-mobile__copy h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.24;
  color: var(--ink);
}
.page-products .prod-mobile__copy > p {
  margin: 18px 0 0;
  max-width: 46ch;
  color: #46586A;
  font-size: 16px;
  line-height: 1.85;
}
.page-products .prod-bullets {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--paper-2);
}
.page-products .prod-bullets li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid var(--paper-2);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}
.page-products .prod-bullets li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 8px;
  height: 8px;
  background: #0F6E57;
}
.page-products .prod-mobile__copy .copy-btn {
  margin-top: 22px;
}
.page-products .prod-mobile__shot {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 0 rgba(10, 22, 34, 0.24);
}
.page-products .prod-mobile__shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.page-products .prod-mobile__shot .media__caption {
  padding: 12px 16px;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 导出 ---------- */
.page-products .prod-export__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: start;
}
.page-products .prod-export__formats .filter-bar {
  margin-bottom: 20px;
}
.page-products .prod-export__pane {
  border: 2px solid var(--line);
  background: var(--ink-2);
  padding: var(--prod-panel-pad);
  box-shadow: var(--hard-shadow);
}
.page-products .prod-export__pane + .prod-export__pane {
  margin-top: 18px;
}
.page-products .prod-export__pane h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-products .prod-export__pane p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}
.page-products .prod-export__cap {
  border: 2px solid var(--line-strong);
  background: linear-gradient(166deg, var(--ink-2) 0%, var(--ink) 100%);
  padding: var(--prod-panel-pad);
  box-shadow: var(--hard-shadow);
}
.page-products .prod-export__cap-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-products .prod-export__cap-num {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-products .prod-export__cap p {
  margin: 10px 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-products .prod-export__cap p:last-child {
  margin-bottom: 0;
}
.page-products .prod-export__figure {
  margin-top: clamp(28px, 3.4vw, 44px);
}
.page-products .prod-export__figure .media__caption,
.page-products .prod-lines__figure .media__caption,
.page-products .prod-access__figure .media__caption,
.page-products .prod-access__diagram .media__caption {
  padding: 12px 0 0;
  margin-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 动作链 ---------- */
.page-products .prod-flow__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 2px solid var(--line);
}
.page-products .prod-flow__steps > li {
  position: relative;
  background: var(--ink-2);
  padding: clamp(20px, 2.4vw, 28px) var(--prod-panel-pad);
  transition: background var(--dur) var(--ease);
}
.page-products .prod-flow__steps > li:hover {
  background: #17293A;
}
.page-products .prod-flow__steps > li > span {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-products .prod-flow__steps h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  color: var(--paper);
}
.page-products .prod-flow__steps p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.82;
}

/* ---------- 获取与接入 ---------- */
.page-products .prod-access__figure {
  margin: 0 0 clamp(26px, 3.2vw, 40px);
}
.page-products .prod-access__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
}
.page-products .prod-access__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--prod-panel-pad);
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--hard-shadow);
}
.page-products .prod-access__card .panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.page-products .prod-access__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.3;
  color: var(--paper);
}
.page-products .prod-access__card p {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}
.page-products .prod-access__link {
  align-self: flex-start;
  margin-top: 6px;
}
.page-products .prod-access__diagram {
  margin: clamp(28px, 3.4vw, 44px) 0 0;
}

/* ---------- 角色路径 ---------- */
.page-products .prod-persona__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--paper-2);
}
.page-products .prod-persona__item {
  padding: clamp(20px, 2.4vw, 28px) 0;
  border-bottom: 1px solid var(--paper-2);
}
.page-products .prod-persona__key {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #0F6E57;
}
.page-products .prod-persona__item h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.32;
  color: var(--ink);
}
.page-products .prod-persona__item p {
  margin: 12px 0 0;
  max-width: 52ch;
  color: #46586A;
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 常见疑问 ---------- */
.page-products .prod-faq__list {
  border-top: 2px solid var(--line);
}
.page-products .prod-faq__item {
  border-bottom: 1px solid var(--line);
}
.page-products .prod-faq__item summary {
  position: relative;
  padding: 20px 40px 20px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.45;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}
.page-products .prod-faq__item summary::-webkit-details-marker {
  display: none;
}
.page-products .prod-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}
.page-products .prod-faq__item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.page-products .prod-faq__item summary:hover,
.page-products .prod-faq__item summary:focus-visible {
  color: var(--cyan);
}
.page-products .prod-faq__item p {
  margin: 0 0 22px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}
.page-products .prod-faq__note {
  margin-top: clamp(26px, 3vw, 38px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .prod-lines__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-export__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
  .page-products .prod-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-access__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-persona__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(26px, 3.4vw, 52px);
  }
}

@media (min-width: 980px) {
  .page-products .prod-lines__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .prod-mobile__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.72fr);
  }
  .page-products .prod-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .prod-persona__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-line,
  .page-products .prod-line:hover,
  .page-products .prod-flow__steps > li,
  .page-products .prod-faq__item summary::after {
    transition: none;
    transform: none;
  }
  .page-products .prod-line:hover {
    box-shadow: var(--hard-shadow);
  }
}
<<<END>>>