.page-products {
  --cat-pad-x: clamp(16px, 3.2vw, 48px);
  --cat-gap: clamp(14px, 2vw, 24px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding: clamp(20px, 3vw, 40px) var(--cat-pad-x) clamp(48px, 6vw, 88px);
}

.page-products p,
.page-products h1,
.page-products h2,
.page-products h3,
.page-products dl,
.page-products dd,
.page-products figure {
  margin: 0;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.page-products a {
  color: var(--ochre-deep);
}

.page-products .cat-section,
.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

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

.page-products .cat-mast {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(24px, 3.5vw, 44px);
  border-bottom: var(--line) solid var(--ink);
}

.page-products .cat-mast > * {
  min-width: 0;
}

.page-products .mast-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ochre);
  border-left: 6px solid var(--ochre);
  padding-left: 10px;
  margin-bottom: 14px;
}

.page-products h1 {
  font-weight: 200;
  font-size: clamp(32px, 8vw, 72px);
  letter-spacing: -0.035em;
  line-height: 1.04;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-products .mast-lead {
  max-width: 56ch;
  font-size: clamp(15px, 1.1vw + 12px, 18px);
  line-height: 1.8;
}

.page-products .device-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-products .device-tabs a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 2px solid var(--ink);
  background: var(--shell);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .device-tabs a:nth-child(2) { background: var(--petro); }
.page-products .device-tabs a:nth-child(3) { background: var(--sand); }
.page-products .device-tabs a:nth-child(4) { background: var(--night); color: var(--shell); }

.page-products .device-tabs a:hover,
.page-products .device-tabs a:focus-visible {
  transform: translate(-2px, -3px);
  box-shadow: 7px 7px 0 var(--ink);
}

.page-products .mast-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin-top: clamp(18px, 2.4vw, 26px);
  background: var(--ink);
  border: 2px solid var(--ink);
}

.page-products .mast-stat {
  background: var(--shell);
  padding: 10px 12px;
}

.page-products .mast-stat:nth-child(1) { background: var(--petro); }
.page-products .mast-stat:nth-child(4) { background: var(--sand); }

.page-products .mast-stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  opacity: 0.72;
}

.page-products .mast-stat dd {
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-products .mast-stat b {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  margin-right: 4px;
}

/* ---------- 图形容器 ---------- */
.page-products .figure {
  margin: 0;
}

.page-products .figure__media {
  overflow: hidden;
  border: var(--line) solid var(--ink);
  background: var(--petro);
}

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

.page-products .figure__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--ochre-deep);
}

.page-products .mast-figure {
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--shell);
  padding: 10px;
}

.page-products .device-figure,
.page-products .dune-figure {
  margin-top: clamp(26px, 4vw, 46px);
}

/* ---------- 侧边目录 + 主内容 ---------- */
.page-products .cat-shell {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(28px, 4vw, 52px);
}

.page-products .cat-index {
  min-width: 0;
}

.page-products .cat-index__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ochre);
  margin-bottom: 8px;
}

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

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

.page-products .cat-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 2px solid var(--ink);
  background: var(--shell);
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ochre);
}

.page-products .cat-index__list a:hover,
.page-products .cat-index__list a:focus-visible {
  background: var(--petro);
}

.page-products .cat-index__foot {
  display: none;
}

/* ---------- 章节标题 ---------- */
.page-products .cat-section {
  margin-top: clamp(34px, 4.5vw, 62px);
}

.page-products .cat-section:first-child {
  margin-top: 0;
}

.page-products .cat-section__head {
  display: grid;
  gap: 10px;
  border-top: var(--line) solid var(--ink);
  padding-top: 14px;
  margin-bottom: clamp(16px, 2.2vw, 26px);
}

.page-products .section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ochre);
  margin: 0;
}

.page-products h2 {
  font-size: clamp(22px, 1.4vw + 16px, 34px);
}

.page-products .cat-section__lead {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ochre-deep);
}

/* ---------- 频道卡片 ---------- */
.page-products .ch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
  padding: 4px 6px 12px;
}

.page-products .ch-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--shell);
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  transform: rotate(-0.6deg);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .ch-card:nth-child(even) {
  transform: rotate(0.6deg);
}

.page-products .ch-card:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 12px 12px 0 var(--ink);
}

.page-products .ch-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ochre);
}

.page-products .ch-card h3 {
  font-size: clamp(18px, 1.4vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .ch-card p {
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .ch-card--feature {
  background: var(--ochre);
  color: var(--shell);
  border-left: 8px solid var(--goji);
}

.page-products .ch-card--feature .ch-card__num,
.page-products .ch-card--feature .ch-card__link {
  color: var(--shell);
}

.page-products .ch-card--sand {
  background: var(--sand);
  color: var(--ink);
}

.page-products .ch-card--sand .ch-card__num {
  color: var(--ochre-deep);
}

.page-products .ch-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--goji);
}

.page-products .ch-card--band {
  background: var(--petro);
}

/* ---------- 苹果电脑端 ---------- */
.page-products .mac-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.page-products .spec-list {
  border-top: 2px solid var(--ink);
}

.page-products .spec-list__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--petro);
}

.page-products .spec-list dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ochre);
}

.page-products .spec-list dd {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.6;
}

.page-products .mac-figure {
  border: var(--line) solid var(--ink);
  background: var(--shell);
  box-shadow: var(--shadow-hard);
}

.page-products .window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--petro);
  border-bottom: 2px solid var(--ink);
}

.page-products .window-bar__dot {
  display: block;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--shell);
}

.page-products .window-bar__dot:nth-child(1) { background: var(--goji); }
.page-products .window-bar__dot:nth-child(2) { background: var(--sand); }
.page-products .window-bar__dot:nth-child(3) { background: var(--river); }

.page-products .window-bar__label {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ochre-deep);
}

.page-products .mac-figure .figure__media {
  border: 0;
}

.page-products .mac-figure .figure__caption {
  padding: 0 12px 10px;
}

.page-products .adapt-grid {
  display: grid;
  gap: var(--cat-gap);
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-products .adapt-card {
  padding: 16px;
  background: var(--shell);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-soft);
}

.page-products .adapt-card__tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--sand);
  border: 1.5px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-products .adapt-card h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-products .adapt-card p {
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 网页端与移动端 ---------- */
.page-products .device-pair {
  display: grid;
  gap: var(--cat-gap);
  margin-top: clamp(30px, 4vw, 52px);
}

.page-products .device-card {
  padding: clamp(16px, 2.2vw, 26px);
  background: var(--shell);
  border: 2px solid var(--ink);
}

.page-products .device-card--river { border-top: 8px solid var(--river); }
.page-products .device-card--sand { border-top: 8px solid var(--sand); }

.page-products .device-card h2 {
  font-size: clamp(20px, 1.2vw + 15px, 28px);
  margin: 8px 0 10px;
}

.page-products .device-card p {
  font-size: 14.5px;
  line-height: 1.8;
}

.page-products .device-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
}

.page-products .device-card li + li {
  margin-top: 6px;
}

/* ---------- 企业门户 ---------- */
.page-products .portal-panel {
  padding: clamp(18px, 3vw, 36px);
  background: var(--night);
  color: var(--shell);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products .section-label--light {
  color: var(--sand);
}

.page-products .portal-panel h2 {
  color: var(--shell);
  margin: 10px 0 12px;
}

.page-products .portal-lead {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--petro);
}

.page-products .step-grid {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .step {
  border-top: 2px solid var(--sand);
  padding-top: 12px;
}

.page-products .step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-products .step h3 {
  margin: 6px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--shell);
}

.page-products .step p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--petro);
}

.page-products .portal-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-products .portal-chip {
  padding: 3px 10px;
  border: 1.5px solid var(--sand);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--shell);
}

.page-products .portal-rate {
  font-size: 13px;
  color: var(--petro);
  margin-left: 2px;
}

.page-products .portal-rate b {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--sand);
}

.page-products .portal-figure {
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-products .portal-figure .figure__media {
  border-color: var(--sand);
}

.page-products .portal-figure .figure__caption {
  color: var(--petro);
}

.page-products .portal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-products .portal-btn-ghost {
  background: transparent;
  color: var(--shell);
  border-color: var(--sand);
}

.page-products .portal-btn-ghost:hover,
.page-products .portal-btn-ghost:focus-visible {
  background: var(--sand);
  color: var(--ink);
}

/* ---------- 更新节奏 ---------- */
.page-products .cadence-grid {
  display: grid;
  gap: var(--cat-gap);
}

.page-products .cadence-item {
  padding: 14px 16px;
  background: var(--shell);
  border-left: 6px solid var(--goji);
}

.page-products .cadence-item:nth-child(2) { border-left-color: var(--sand); }
.page-products .cadence-item:nth-child(3) { border-left-color: var(--river); }
.page-products .cadence-item:nth-child(4) { border-left-color: var(--ochre); }

.page-products .cadence-item b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.15;
  color: var(--ochre);
  margin-bottom: 6px;
}

.page-products .cadence-item p {
  font-size: 14px;
  line-height: 1.72;
}

.page-products .cadence-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

/* ---------- 选型建议 ---------- */
.page-products .choose-grid {
  display: grid;
  gap: var(--cat-gap);
}

.page-products .choose-item {
  padding-top: 14px;
  border-top: 6px solid var(--ink);
}

.page-products .choose-item:nth-child(2) { border-top-color: var(--ochre); }
.page-products .choose-item:nth-child(3) { border-top-color: var(--river); }

.page-products .choose-item h3 {
  font-size: clamp(18px, 1.2vw, 21px);
  font-weight: 700;
  margin-bottom: 8px;
}

.page-products .choose-item p {
  font-size: 14.5px;
  line-height: 1.78;
}

.page-products .choose-item a {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-bottom: 2px solid var(--goji);
  padding-bottom: 2px;
}

/* ---------- 结尾行动 ---------- */
.page-products .cat-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(32px, 4vw, 56px);
  padding: clamp(18px, 3vw, 32px);
  background: var(--petro);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products .cat-cta h2 {
  font-size: clamp(20px, 1.2vw + 15px, 28px);
  margin: 8px 0 10px;
}

.page-products .cat-cta__copy p {
  font-size: 14.5px;
  line-height: 1.78;
  max-width: 60ch;
}

.page-products .cat-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-products .mast-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .ch-card--span3,
  .page-products .ch-card--band {
    grid-column: span 2;
  }

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

@media (min-width: 860px) {
  .page-products .cat-mast {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    column-gap: clamp(24px, 3.5vw, 56px);
    align-items: start;
  }

  .page-products .cat-mast .breadcrumb {
    grid-column: 1 / -1;
  }

  .page-products .mac-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

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

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

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

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

@media (min-width: 1000px) {
  .page-products .cat-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(28px, 3.5vw, 56px);
  }

  .page-products .cat-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    padding: 14px 12px;
    background: var(--shell);
    border-top: 6px solid var(--ochre);
    box-shadow: var(--shadow-soft);
  }

  .page-products .cat-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-products .cat-index__list li + li {
    margin-top: 4px;
  }

  .page-products .cat-index__list a {
    border: 2px solid transparent;
    background: transparent;
    padding: 7px 8px;
    white-space: normal;
    border-bottom: 1px solid var(--petro);
  }

  .page-products .cat-index__list a:hover,
  .page-products .cat-index__list a:focus-visible {
    background: var(--petro);
    border-color: var(--ink);
    transform: translateX(2px);
  }

  .page-products .cat-index__foot {
    display: block;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 2px solid var(--ink);
  }

  .page-products .cat-index__foot p {
    font-family: var(--font-mono);
    font-size: 11.5px;
    line-height: 1.7;
    letter-spacing: 0.04em;
    color: var(--ochre-deep);
    margin-bottom: 10px;
  }

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

@media (min-width: 1180px) {
  .page-products .ch-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: clamp(16px, 1.8vw, 26px);
    padding: 6px 10px 18px;
  }

  .page-products .ch-card {
    transform: rotate(-1.2deg);
  }

  .page-products .ch-card:nth-child(even) {
    transform: rotate(1deg);
  }

  .page-products .ch-card--span3 {
    grid-column: span 3;
  }

  .page-products .ch-card--span2 {
    grid-column: span 2;
  }

  .page-products .ch-card--band {
    grid-column: span 6;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 20px;
  }

  .page-products .ch-card--band p {
    flex: 1 1 320px;
  }

  .page-products .ch-card--band .ch-card__link {
    margin-top: 0;
    align-self: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ch-card,
  .page-products .ch-card:hover,
  .page-products .device-tabs a,
  .page-products .device-tabs a:hover,
  .page-products .cat-index__list a {
    transform: none;
  }
}