.page-products {
  --cat-gap: 20px;
  color: var(--bone);
  background: var(--ink);
  padding-bottom: 72px;
}

.page-products .cat-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  padding-top: calc(var(--head-h) + 16px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.page-products .cat-version {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
  margin: 0;
}

.page-products .cat-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 24px;
  min-width: 0;
}

/* 左侧目录索引 */
.page-products .cat-index {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
}

.page-products .cat-index-title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-products .cat-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .cat-index-list li {
  flex: 0 0 auto;
}

.page-products .cat-index-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--bone);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--border);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-products .cat-index-list a:hover,
.page-products .cat-index-list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(46, 242, 200, 0.08);
}

.page-products .cat-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-products .cat-index-foot {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 12px;
  border-top: 1px solid var(--grid);
}

.page-products .cat-index-foot .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .cat-index-foot strong {
  font-size: 20px;
  line-height: 1.1;
  color: var(--orange);
}

.page-products .cat-index-note {
  font-size: 12px;
  color: var(--steel);
}

/* 首屏 */
.page-products .cat-main {
  min-width: 0;
}

.page-products .cat-intro {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

.page-products .cat-intro .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .cat-intro h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-products .cat-intro .lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.88);
}

.page-products .cat-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .cat-intro-stats {
  list-style: none;
  margin: 0 0 28px;
  padding: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  border-top: 1px solid var(--grid);
}

.page-products .cat-intro-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .cat-intro-stats strong {
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .cat-intro-stats span {
  font-size: 12px;
  color: var(--steel);
}

/* 通用章节 */
.page-products .cat-section {
  margin-top: 24px;
  padding: clamp(22px, 5vw, 44px) clamp(16px, 4vw, 40px);
  border: 1px solid var(--border);
  min-width: 0;
  scroll-margin-top: 84px;
}

.page-products .cat-section--teal {
  background: var(--teal);
  border-color: rgba(46, 242, 200, 0.3);
}

.page-products .cat-section--indigo {
  background: var(--indigo);
  border-color: rgba(155, 108, 255, 0.34);
}

.page-products .cat-section--oxblood {
  background: var(--oxblood);
  border-color: rgba(255, 138, 61, 0.28);
}

.page-products .cat-section--panel {
  background: var(--panel);
  border-color: var(--border);
}

.page-products .cat-section .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-products .cat-section-head {
  margin-bottom: 24px;
}

.page-products .cat-section-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.page-products .cat-section-head p:last-child {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.86);
}

/* 费用对照 */
.page-products .fee-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .fee-scroll {
  overflow-x: auto;
  border: 1px solid var(--grid);
  min-width: 0;
}

.page-products .fee-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .fee-caption {
  caption-side: top;
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-products .fee-table thead th {
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: rgba(46, 242, 200, 0.12);
  border-bottom: 1px solid var(--grid);
}

.page-products .fee-table tbody th,
.page-products .fee-table tbody td {
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
  font-weight: 400;
  color: var(--bone);
  border-bottom: 1px solid var(--grid);
  line-height: 1.6;
}

.page-products .fee-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .fee-table tbody tr:hover {
  background: rgba(46, 242, 200, 0.07);
}

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

.page-products .fee-name {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
}

.page-products .fee-code {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .fee-price strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
  color: var(--bone);
}

.page-products .fee-price span {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
}

.page-products .fee-table tbody tr.is-featured {
  background: rgba(255, 138, 61, 0.1);
  box-shadow: inset 2px 0 0 var(--orange);
}

.page-products .is-featured .fee-price strong {
  color: var(--orange);
}

.page-products .fee-mobile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: rgba(7, 10, 11, 0.36);
  border: 1px solid rgba(46, 242, 200, 0.34);
}

.page-products .fee-mobile .tag {
  align-self: flex-start;
}

.page-products .fee-mobile-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 2px 0 0;
}

.page-products .fee-mobile-price strong {
  font-size: 40px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .fee-mobile-price span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel);
}

.page-products .fee-mobile-name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .fee-mobile-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .fee-mobile-list li {
  padding: 4px 8px;
  font-size: 12px;
  color: var(--bone);
  border: 1px solid var(--grid);
}

.page-products .fee-mobile-note {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .fee-mobile-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 图片 */
.page-products .cat-figure {
  margin: 24px 0 0;
  background: var(--panel-2);
  border: 1px solid var(--grid);
}

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

.page-products .cat-figure figcaption {
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel);
  border-top: 1px solid var(--grid);
}

/* 说明双栏 */
.page-products .cat-notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.page-products .cat-notes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 248, 245, 0.88);
}

.page-products .cat-notes strong {
  color: var(--cyan);
}

/* 内容目录卡片 */
.page-products .dir-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .dir-card {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  min-width: 0;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .dir-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .dir-num {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--purple);
}

.page-products .dir-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .dir-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 248, 245, 0.88);
}

.page-products .dir-card .dir-meta {
  margin: 12px 0 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* 适配清单 */
.page-products .check-groups {
  margin-top: 22px;
  border-top: 1px solid rgba(243, 248, 245, 0.16);
}

.page-products .check-group {
  border-bottom: 1px solid rgba(243, 248, 245, 0.16);
}

.page-products .check-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 2px;
  list-style: none;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

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

.page-products .check-group summary:hover,
.page-products .check-group summary:focus-visible {
  color: var(--cyan);
}

.page-products .check-group[open] summary {
  color: var(--cyan);
}

.page-products .check-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
}

.page-products .check-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 11px;
  color: var(--purple);
  border: 1px solid var(--purple);
}

.page-products .check-range {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .check-list {
  list-style: none;
  margin: 0;
  padding: 0 0 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
}

.page-products .check-list li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(243, 248, 245, 0.9);
}

.page-products .check-list .mono {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 11px;
  color: var(--cyan);
}

/* 周期时间轴 */
.page-products .cycle-line {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .cycle-line li {
  position: relative;
  margin-left: 6px;
  padding: 0 0 22px 26px;
  border-left: 1px solid rgba(243, 248, 245, 0.24);
}

.page-products .cycle-line li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .cycle-dot {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--orange);
}

.page-products .cycle-line p.cycle-when {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .cycle-line h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .cycle-line p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 248, 245, 0.88);
}

/* 场景卡 */
.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  min-width: 0;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .scene-card:hover {
  border-color: var(--purple);
  transform: translateY(-2px);
}

.page-products .scene-tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--purple);
}

.page-products .scene-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-products .scene-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 248, 245, 0.88);
}

.page-products .scene-card p.scene-pick {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--cyan);
  border-top: 1px solid var(--grid);
}

/* 开通三步 */
.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-products .step-list li {
  padding-top: 12px;
  border-top: 2px solid var(--cyan);
  min-width: 0;
}

.page-products .step-num {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .step-list h3 {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
}

.page-products .step-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 248, 245, 0.88);
}

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

/* 补充链接段 */
.page-products .cat-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 248, 245, 0.88);
}

.page-products .cat-more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-products .cat-more a:hover,
.page-products .cat-more a:focus-visible {
  color: var(--orange);
}

/* 平板 */
@media (min-width: 720px) {
  .page-products .cat-intro .lede {
    font-size: 17px;
  }

  .page-products .cat-section-head p:last-child {
    font-size: 16px;
  }

  .page-products .cat-intro-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .cat-intro-stats strong {
    font-size: 32px;
  }

  .page-products .cat-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-products .dir-card:nth-child(1) {
    grid-column: span 4;
  }

  .page-products .dir-card:nth-child(2) {
    grid-column: span 2;
  }

  .page-products .dir-card:nth-child(3) {
    grid-column: span 2;
  }

  .page-products .dir-card:nth-child(4) {
    grid-column: span 4;
  }

  .page-products .dir-card:nth-child(5) {
    grid-column: span 6;
  }

  .page-products .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px 24px;
  }

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

  .page-products .step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-products .cat-topbar {
    padding-top: 34px;
  }

  .page-products .fee-wrap {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-frame {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 40px;
    padding-top: 40px;
  }

  .page-products .cat-index {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-products .cat-index-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-products .cat-index-list li {
    flex: 1 1 auto;
  }

  .page-products .cat-index-list a {
    padding: 9px 10px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-products .cat-index-list a:hover,
  .page-products .cat-index-list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(46, 242, 200, 0.06);
  }

  .page-products .cat-frame {
    padding-bottom: 24px;
  }
}

@media (min-width: 1120px) {
  .page-products .cycle-line {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cycle-line li {
    margin-left: 0;
    padding: 24px 18px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(243, 248, 245, 0.24);
  }

  .page-products .cycle-line li:last-child {
    border-top-color: rgba(243, 248, 245, 0.24);
  }

  .page-products .cycle-dot {
    left: 0;
    top: -5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dir-card,
  .page-products .scene-card,
  .page-products .cat-index-list a,
  .page-products .fee-table tbody tr,
  .page-products .cat-more a {
    transition: none;
  }

  .page-products .dir-card:hover,
  .page-products .scene-card:hover {
    transform: none;
  }
}