.page-products {
  --feat-rail: 15rem;
  --feat-gap: clamp(1.25rem, 3vw, 2.5rem);
  --feat-scroll-offset: 1.5rem;
}

.page-products .feat-wrap {
  padding-block: clamp(1.1rem, 3vw, 2rem) clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 首屏 ---------- */
.page-products .feat-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2.25rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
}

.page-products .feat-hero__text {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  min-width: 0;
  max-width: 42rem;
}

.page-products .feat-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 7.8vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--ink);
  max-width: 15ch;
}

.page-products .feat-hero .lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.15vw, 1.1rem);
  line-height: 1.75;
  color: var(--ink-70);
}

.page-products .feat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.4rem;
}

.page-products .feat-hero__fig {
  margin: 0;
  min-width: 0;
}

.page-products .feat-hero__fig .media__frame {
  border: 1px solid var(--line-strong);
  overflow: hidden;
  background: var(--paper);
}

.page-products .feat-hero__fig img,
.page-products .round-fig img,
.page-products .compare-fig img,
.page-products .flow-fig img,
.page-products .scene-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .feat-hero__fig .media__caption,
.page-products .round-fig .media__caption,
.page-products .flow-fig .media__caption,
.page-products .scene-fig .media__caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--ink-45);
}

@media (min-width: 980px) {
  .page-products .feat-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }
}

/* ---------- 索引 + 内容框架 ---------- */
.page-products .feat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--feat-gap);
  padding-top: clamp(1.25rem, 3.5vw, 2.25rem);
  min-width: 0;
}

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

.page-products .feat-index__title {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-45);
}

.page-products .feat-index__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-products .feat-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.82rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .feat-index__link .num {
  font-size: 0.68rem;
  color: var(--vermilion);
  letter-spacing: 0.06em;
}

.page-products .feat-index__link:hover,
.page-products .feat-index__link:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--cream);
  outline: none;
}

.page-products .feat-index__link:hover .num,
.page-products .feat-index__link:focus-visible .num {
  color: var(--cream);
}

@media (min-width: 1040px) {
  .page-products .feat-index {
    position: sticky;
    top: var(--feat-scroll-offset);
  }

  .page-products .feat-index__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .feat-index__list li {
    display: block;
  }

  .page-products .feat-index__link {
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    white-space: normal;
    padding: 0.55rem 0.9rem;
    font-size: 0.85rem;
  }

  .page-products .feat-index__link:hover,
  .page-products .feat-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--orange);
    color: var(--vermilion);
  }

  .page-products .feat-index__link:hover .num,
  .page-products .feat-index__link:focus-visible .num {
    color: var(--orange);
  }
}

.page-products .feat-content {
  min-width: 0;
}

/* ---------- 章节基础 ---------- */
.page-products .feat-section {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--feat-scroll-offset);
  min-width: 0;
}

.page-products .feat-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .feat-section__head {
  max-width: 54rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.25rem);
}

.page-products .feat-section__head--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
  max-width: none;
}

.page-products .feat-section__head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.65rem, 4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .feat-section__lede {
  margin: 0.85rem 0 0;
  max-width: 48ch;
  font-size: clamp(0.96rem, 1.05vw, 1.05rem);
  line-height: 1.75;
  color: var(--ink-70);
}

.page-products .feat-note {
  margin: clamp(0.9rem, 2vw, 1.25rem) 0 0;
  padding-left: 0.9rem;
  border-left: 3px solid var(--amber);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-70);
  max-width: 52ch;
}

/* ---------- 记分牌数字 ---------- */
.page-products .feat-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}

.page-products .feat-stat {
  background: var(--paper);
  padding: clamp(0.9rem, 2vw, 1.35rem);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-products .feat-stat__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-products .feat-stat__label {
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--ink-70);
}

@media (min-width: 680px) {
  .page-products .feat-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 能力卡片 ---------- */
.page-products .feat-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .feat-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--pine);
}

.page-products .feat-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-products .feat-card:nth-child(3) {
  border-top-color: var(--vermilion);
}

.page-products .feat-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .feat-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-products .feat-card__link {
  margin-top: auto;
  padding-top: 0.45rem;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .feat-card__link:hover,
.page-products .feat-card__link:focus-visible {
  color: var(--orange);
  outline: none;
}

@media (min-width: 760px) {
  .page-products .feat-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 筛选面板 ---------- */
.page-products .form-board {
  display: grid;
  gap: 1.15rem;
  padding: clamp(1rem, 2.5vw, 1.75rem);
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-products .form-board__group {
  min-width: 0;
}

.page-products .form-board__label {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-45);
}

.page-products .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .chip {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.7rem;
  border: 1px solid var(--sage);
  background: transparent;
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.4;
}

.page-products .chip.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--cream);
  font-weight: 700;
}

@media (min-width: 760px) {
  .page-products .form-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 2.25rem;
  }
}

/* ---------- 轮次时间带 ---------- */
.page-products .round-band {
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--paper), var(--cream));
  scrollbar-width: thin;
}

.page-products .round-band__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}

.page-products .round-band__node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 9.5rem;
  padding: 1rem 1.6rem 1rem 1.1rem;
  border-right: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-products .round-band__node::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.4rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--pine);
  transform: translateY(-50%);
  z-index: 1;
}

.page-products .round-band__node.is-current::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .round-band__tag {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--vermilion);
}

.page-products .round-band__name {
  font-size: 1rem;
  font-weight: 800;
}

.page-products .round-band__sub {
  font-size: 0.74rem;
  color: var(--ink-70);
}

.page-products .round-band__node:hover,
.page-products .round-band__node:focus-visible {
  background: var(--paper);
  outline: none;
}

.page-products .round-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.page-products .round-notes__row {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5rem;
}

.page-products .round-notes__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .round-notes__row p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--ink-70);
}

.page-products .round-fig {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .round-fig .media__frame {
  overflow: hidden;
}

.page-products .round-fig .media__caption {
  padding: 0 0.75rem 0.75rem;
}

@media (min-width: 760px) {
  .page-products .round-notes {
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    gap: 1.25rem;
  }

  .page-products .round-notes__row {
    padding: 0.75rem 0.5rem 0 0.75rem;
    border-top: 2px solid var(--line);
  }
}

/* ---------- 对照表 ---------- */
.page-products .compare-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .compare-fig .media__frame {
  overflow: hidden;
}

.page-products .compare-scroll {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  scrollbar-width: thin;
}

.page-products .compare-table {
  width: 100%;
  min-width: 46rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.page-products .compare-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 0.8rem 1rem;
  background: var(--pine-deep);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-align: right;
  white-space: nowrap;
}

.page-products .compare-table thead th:first-child {
  left: 0;
  z-index: 4;
  text-align: left;
}

.page-products .compare-table tbody th,
.page-products .compare-table tbody td {
  padding: 0.68rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-products .compare-table tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--paper);
  border-right: 1px solid var(--line-strong);
  text-align: left;
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--ink);
}

.page-products .compare-table tbody tr:nth-child(even) td {
  background: rgba(36, 28, 22, 0.035);
}

.page-products .compare-table tbody tr:hover td {
  background: rgba(232, 100, 42, 0.1);
}

.page-products .compare-table .num {
  font-family: var(--font-mono);
  color: var(--ink);
}

.page-products .compare-hint {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-45);
}

@media (min-width: 900px) {
  .page-products .feat-section__head--split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.4fr);
    gap: 2rem;
    align-items: end;
  }

  .page-products .compare-fig {
    max-width: 15rem;
    margin-left: auto;
  }
}

/* ---------- 三步流程 ---------- */
.page-products .flow-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-products .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-products .flow-step {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.page-products .flow-step__idx {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  color: var(--orange);
}

.page-products .flow-step__title {
  grid-column: 2;
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .flow-step p {
  grid-column: 2;
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-products .flow-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .flow-fig .media__frame {
  overflow: hidden;
}

.page-products .flow-fig .media__caption {
  padding: 0 0.75rem 0.75rem;
}

@media (min-width: 900px) {
  .page-products .flow-split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    gap: 2.5rem;
    align-items: start;
  }
}

/* ---------- 深色更新面板 ---------- */
.page-products .feat-section--pine {
  border-top: 0;
  background: var(--pine);
  color: var(--cream);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  margin-block: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .feat-section--pine h2 {
  color: var(--cream);
}

.page-products .feat-section--pine .eyebrow {
  color: var(--amber);
}

.page-products .feat-section--pine .feat-section__lede {
  color: var(--cream-70);
}

.page-products .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-products .cadence-cell {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem;
  background: var(--pine-deep);
}

.page-products .cadence-cell__time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .cadence-cell h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--cream);
}

.page-products .cadence-cell p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--cream-70);
}

.page-products .cadence-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  border-top: 1px solid var(--line-light);
}

.page-products .cadence-meta > div {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-products .cadence-meta__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
}

.page-products .cadence-meta__label {
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--cream-70);
}

@media (min-width: 720px) {
  .page-products .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 适用场景 ---------- */
.page-products .scene-fig {
  margin: 0 0 clamp(1.1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .scene-fig .media__frame {
  overflow: hidden;
}

.page-products .scene-fig .media__caption {
  padding: 0 0.75rem 0.75rem;
}

.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sage);
}

.page-products .scene-card:nth-child(2n) {
  border-left-color: var(--orange);
}

.page-products .scene-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-products .scene-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-products .scene-card__link {
  margin-top: auto;
  padding-top: 0.35rem;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .scene-card__link:hover,
.page-products .scene-card__link:focus-visible {
  color: var(--orange);
  outline: none;
}

@media (min-width: 720px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
}

/* ---------- 收尾 ---------- */
.page-products .feat-end {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-top: 4px solid var(--vermilion);
}

.page-products .feat-end__text h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-products .feat-end__text p {
  margin: 0.65rem 0 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-products .feat-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 880px) {
  .page-products .feat-end {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }

  .page-products .feat-end__actions {
    flex: 0 0 auto;
  }
}

/* ---------- 动效与可访问性 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .feat-index__link,
  .page-products .round-band__node {
    transition: none;
  }
}
<<<END>>>