.page-products {
  padding-bottom: 8px;
}

.page-products .cat-hero {
  padding: 28px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-hero .eyebrow {
  margin-bottom: 14px;
}

.page-products .cat-hero h1 {
  margin: 0 0 18px;
  font-size: 32px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .cat-hero .lede {
  max-width: 54ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .hero-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .hero-stats li {
  background: var(--ink);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .stat-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-products .stat-label {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.5;
}

/* 章节 */
.page-products .cat-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-section:last-of-type {
  border-bottom: 0;
}

.page-products .section-head {
  margin-bottom: 26px;
}

.page-products .section-head .eyebrow {
  margin-bottom: 12px;
}

.page-products .section-head h2 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-products .section-head .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

/* 栏目录 */
.page-products .cat-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .column-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .column-card {
  position: relative;
  background: var(--ink-2);
  padding: 22px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 160ms ease, box-shadow 160ms ease;
}

.page-products .column-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--line);
  transition: background 160ms ease;
}

.page-products .column-card:hover,
.page-products .column-card:focus-within {
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px var(--magenta);
}

.page-products .column-card:hover::before,
.page-products .column-card:focus-within::before {
  background: var(--magenta);
}

.page-products .column-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products .column-flag {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--pink-ink);
  background: var(--gold);
  padding: 2px 7px;
  border-radius: var(--r);
}

.page-products .column-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-products .column-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products .column-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .column-link:hover,
.page-products .column-link:focus-visible {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

/* 高亮第 2 栏 */
.page-products .column-card--feature {
  background: var(--pink);
  color: var(--pink-ink);
}

.page-products .column-card--feature::before {
  background: var(--magenta);
}

.page-products .column-card--feature:hover,
.page-products .column-card--feature:focus-within {
  background: #FFE0EE;
  box-shadow: inset 0 0 0 1px var(--pink-ink);
}

.page-products .column-card--feature .column-code,
.page-products .column-card--feature h3,
.page-products .column-card--feature .column-desc {
  color: var(--pink-ink);
}

.page-products .column-card--feature .column-desc {
  color: #6B1B40;
}

.page-products .column-more summary {
  align-self: flex-start;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--pink-ink);
  border-bottom: 1px dashed currentColor;
  padding-bottom: 2px;
}

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

.page-products .column-more summary::before {
  content: "＋ ";
}

.page-products .column-more[open] summary::before {
  content: "－ ";
}

.page-products .column-more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #6B1B40;
}

.page-products .cat-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .cat-aside .media-frame {
  display: block;
}

.page-products .aside-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-2);
}

/* 手机阅读路径 */
.page-products .paths-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .paths-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .path-card {
  background: var(--ink-2);
  padding: 20px 18px;
  display: grid;
  gap: 14px;
}

.page-products .path-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-products .path-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--magenta);
  letter-spacing: 0.04em;
}

.page-products .path-head h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
}

.page-products .path-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mint);
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: var(--r);
}

.page-products .path-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: pathstep;
}

.page-products .path-steps li {
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
  counter-increment: pathstep;
}

.page-products .path-steps li::before {
  content: counter(pathstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-products .media-frame--tall {
  max-width: 340px;
  justify-self: center;
  width: 100%;
}

.page-products .media-frame--tall img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* 产品线树 */
.page-products .media-frame--wide {
  margin: 0 0 32px;
}

.page-products .media-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .tree {
  display: grid;
  gap: 0;
}

.page-products .tree-root {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 0 10px;
  padding: 12px 18px;
  border: 1px solid var(--magenta);
  background: var(--ink-3);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-products .tree-root-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .tree-branches {
  list-style: none;
  margin: 0 0 0 28px;
  padding: 22px 0 0 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-products .tree-node {
  position: relative;
}

.page-products .tree-node::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 28px;
  width: 22px;
  height: 1px;
  background: var(--line);
}

.page-products .node summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 10px 14px;
  flex-wrap: wrap;
  padding: 15px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  transition: background 160ms ease, border-color 160ms ease;
}

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

.page-products .node summary:hover,
.page-products .node summary:focus-visible {
  background: var(--ink-3);
  border-color: var(--magenta);
}

.page-products .node summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gold);
}

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

.page-products .node[open] summary {
  border-color: var(--magenta);
  background: var(--ink-3);
}

.page-products .node-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-products .node-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.page-products .node-hint {
  font-size: 12.5px;
  color: var(--text-2);
}

.page-products .node-body {
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--ink);
  padding: 18px 16px;
  animation: nodeIn 200ms ease both;
}

@keyframes nodeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-products .node-body dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
}

.page-products .node-body dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-top: 8px;
}

.page-products .node-body dt:first-child {
  margin-top: 0;
}

.page-products .node-body dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

/* 方案包 */
.page-products .packages-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-products .doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .doc-item {
  background: var(--ink-2);
  padding: 13px 14px;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: baseline;
  gap: 3px 12px;
  transition: background 160ms ease;
}

.page-products .doc-item:hover {
  background: var(--ink-3);
}

.page-products .doc-badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--line);
  text-align: center;
  padding: 2px 0;
}

.page-products .doc-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}

.page-products .doc-use {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-2);
}

.page-products .packages-cta {
  margin: 24px 0 0;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.page-products .packages-note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-2);
}

.page-products .packages-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-products .packages-aside .media-frame {
  display: block;
}

.page-products .packages-scene {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 18px 16px;
}

.page-products .packages-scene h3 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--mint);
}

.page-products .packages-scene ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* 五步流程 */
.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .steps li {
  background: var(--ink-2);
  padding: 20px 18px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 14px;
  transition: background 160ms ease;
}

.page-products .steps li:hover {
  background: var(--ink-3);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-products .step-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
}

.page-products .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products .step-prep {
  margin-top: 10px !important;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
  font-size: 12.5px !important;
  color: var(--mint) !important;
}

.page-products .flow-close {
  margin-top: 32px;
  display: grid;
  gap: 18px;
}

.page-products .flow-close .media-frame {
  margin: 0;
  display: block;
}

.page-products .flow-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-products .flow-note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .flow-note a:hover,
.page-products .flow-note a:focus-visible {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
}

/* 焦点 */
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-products .cat-hero h1 {
    font-size: 40px;
  }

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

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

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

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

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

  .page-products .path-card:first-child {
    grid-column: 1 / -1;
  }

  .page-products .node-body dl {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 8px 16px;
  }

  .page-products .node-body dt {
    margin-top: 0;
    text-align: right;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-hero {
    padding: 44px 0 60px;
  }

  .page-products .cat-hero h1 {
    font-size: 54px;
    max-width: 16ch;
  }

  .page-products .cat-hero .lede {
    font-size: 17px;
  }

  .page-products .cat-section {
    padding: 68px 0;
  }

  .page-products .section-head h2 {
    font-size: 32px;
  }

  .page-products .cat-split {
    grid-template-columns: minmax(0, 2.15fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-products .paths-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }

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

  .page-products .path-card:first-child {
    grid-column: auto;
  }

  .page-products .media-frame--tall {
    max-width: none;
    justify-self: end;
    position: sticky;
    top: 24px;
  }

  .page-products .packages-split {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .steps li {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .step-num {
    font-size: 26px;
  }

  .page-products .flow-close {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 36px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .column-card,
  .page-products .column-link,
  .page-products .node summary,
  .page-products .doc-item,
  .page-products .steps li,
  .page-products .flow-note a {
    transition: none;
  }

  .page-products .node-body {
    animation: none;
  }
}
<<<END>>>