.page-products {
  --p-cut: 16px;
  --p-gap: clamp(18px, 2.6vw, 30px);
}

.page-products .products-hero {
  padding-top: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-products .products-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 8vw, 100px);
  line-height: .96;
  letter-spacing: .01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-products .products-hero__lead {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 62ch;
}

.page-products .products-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 4vw, 44px) 0 0;
  padding: 0;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .meta-item {
  background: var(--ink-900);
  padding: 16px 14px;
  min-width: 0;
}

.page-products .meta-item__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-products .meta-item__v {
  display: block;
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.2vw, 30px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 720px) {
  .page-products .products-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 主体骨架：左侧常驻索引 + 右侧内容 */
.page-products .products-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(20px, 3vw, 40px);
}

.page-products .products-flow {
  min-width: 0;
}

.page-products .products-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-products .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .rail-list__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 8px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--t-fast), background var(--t-fast), padding-left var(--t-fast);
}

.page-products .rail-list__link:hover,
.page-products .rail-list__link:focus-visible {
  color: var(--cyan);
  background: var(--blue-soft);
  padding-left: 14px;
}

.page-products .rail-list__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

@media (min-width: 1024px) {
  .page-products .products-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .products-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

/* 通用图注与媒体块间距 */
.page-products .products-media {
  margin: 0 0 var(--p-gap);
}

.page-products .products-section .media-frame {
  margin-left: 0;
  margin-right: 0;
}

/* A. 六类资源包卡片矩阵 */
.page-products .suite-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--p-gap);
  margin-top: var(--p-gap);
}

.page-products .suite-card {
  position: relative;
  padding: 1px;
  background: var(--line);
  clip-path: polygon(
    0 0,
    calc(100% - var(--p-cut)) 0,
    100% var(--p-cut),
    100% 100%,
    var(--p-cut) 100%,
    0 calc(100% - var(--p-cut))
  );
  transition: background var(--t), transform var(--t);
}

.page-products .suite-card:hover,
.page-products .suite-card:focus-within {
  background: var(--blue);
  transform: translateY(-4px);
}

.page-products .suite-card__inner {
  height: 100%;
  padding: 20px 20px 18px;
  background: var(--ink-800);
  clip-path: polygon(
    0 0,
    calc(100% - var(--p-cut)) 0,
    100% var(--p-cut),
    100% 100%,
    var(--p-cut) 100%,
    0 calc(100% - var(--p-cut))
  );
  transition: background var(--t);
}

.page-products .suite-card:hover .suite-card__inner {
  background: var(--ink-700);
}

.page-products .suite-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 24px;
}

.page-products .suite-card__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-products .badge--week {
  flex: none;
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-900);
  background: var(--cyan);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-products .badge--beta {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-900);
  background: var(--magenta);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-products .suite-card__name {
  margin: 16px 0 0;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-products .suite-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .suite-card__foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper-dim);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 640px) {
  .page-products .suite-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-products .suite-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* B. 三步路径图 */
.page-products .steps {
  list-style: none;
  margin: var(--p-gap) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .step {
  position: relative;
  padding: 24px 20px 26px;
  background: var(--ink-900);
  overflow: hidden;
}

.page-products .step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t);
}

.page-products .step:hover::before,
.page-products .step:focus-within::before {
  transform: scaleY(1);
}

.page-products .step__node {
  display: block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--ink-900);
  margin-bottom: 16px;
}

.page-products .step__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 46px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink-700);
  font-variant-numeric: tabular-nums;
}

.page-products .step__title {
  margin: 12px 0 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .step__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .step__detail {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-products .step__detail > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--blue);
  transition: color var(--t-fast);
}

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

.page-products .step__detail > summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .step__detail[open] > summary::before {
  content: "–";
}

.page-products .step__detail > summary:hover {
  color: var(--cyan);
}

.page-products .step__detail p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* C. 校验 */
.page-products .products-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .products-split .media-frame {
  margin: 0;
}

.page-products .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .checklist__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: padding-left var(--t-fast);
}

.page-products .checklist__item:hover {
  padding-left: 8px;
}

.page-products .checklist__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
  padding-top: 3px;
}

.page-products .checklist__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-products .products-terminal {
  margin-top: var(--p-gap);
}

.page-products .probe-list {
  margin: 0;
  padding-left: 1.3em;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2;
  color: var(--paper-dim);
}

.page-products .probe-list strong {
  color: var(--cyan);
  font-weight: 700;
}

.page-products .probe-list li::marker {
  color: var(--orange);
}

/* D. 电脑版 */
.page-products .desk-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .desk-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .desk-list__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .desk-list__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-dim);
}

/* E. 测试版归档 */
.page-products .archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--p-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .archive-note {
  padding: 22px 20px 24px;
  background: var(--ink-800);
  border-left: 3px solid var(--blue);
}

.page-products .archive-note--beta {
  border-left-color: var(--magenta);
}

.page-products .archive-note__title {
  margin: 14px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .archive-note__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* F. 节奏与版本 */
.page-products .cadence {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--p-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .cadence__item {
  padding: 22px 20px;
  background: var(--ink-700);
  clip-path: polygon(
    0 0,
    calc(100% - var(--p-cut)) 0,
    100% var(--p-cut),
    100% 100%,
    0 100%
  );
}

.page-products .cadence__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .cadence__title {
  margin: 12px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .cadence__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .version-list {
  list-style: none;
  margin: var(--p-gap) 0 0;
  padding: 0;
  border: 1px solid var(--line);
}

.page-products .version-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .version-item:last-child {
  border-bottom: 0;
}

.page-products .version-item__name {
  font-size: 14px;
  color: var(--paper-dim);
}

.page-products .version-item__val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .version-item .copy-btn {
  grid-column: 2;
  grid-row: 1;
}

.page-products .version-item .version-item__val {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
}

@media (min-width: 640px) {
  .page-products .version-item {
    grid-template-columns: minmax(0, 1fr) 90px auto;
  }

  .page-products .version-item__name {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .version-item__val {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .page-products .version-item .copy-btn {
    grid-column: 3;
    grid-row: 1;
  }
}

/* 收尾 */
.page-products .products-cta {
  margin-top: clamp(32px, 5vw, 64px);
  padding: clamp(26px, 4.5vw, 48px);
  background:
    linear-gradient(118deg, rgba(31, 107, 255, .2), rgba(53, 240, 208, .08) 46%, rgba(5, 7, 12, 0) 76%),
    var(--ink-800);
  border-top: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .products-cta .h2 {
  margin: 12px 0 0;
}

.page-products .products-cta .prose {
  margin: 14px 0 0;
  max-width: 58ch;
}

.page-products .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .cta-actions .btn {
  text-decoration: none;
}

@media (min-width: 900px) {
  .page-products .products-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .products-split--reverse > :first-child {
    order: 2;
  }

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

@media (min-width: 1080px) {
  .page-products .cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 479px) {
  .page-products .products-hero__meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .step {
    padding: 20px 16px 22px;
  }

  .page-products .products-cta {
    padding: 22px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .suite-card,
  .page-products .suite-card__inner,
  .page-products .step::before,
  .page-products .rail-list__link,
  .page-products .checklist__item {
    transition: none;
  }

  .page-products .suite-card:hover {
    transform: none;
  }
}