.page-features {
  --fx-rule: 1px dashed var(--color-line);
  --fx-rule-dark: 1px dashed var(--color-contrast-line);
}

/* ---------- 首屏 ---------- */
.page-features .fx-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-4) var(--space-6);
}

.page-features .fx-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-features .fx-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.35) brightness(0.72);
}

.page-features .fx-hero__scrim {
  position: absolute;
  inset: 0;
  display: block;
  background: var(--overlay-scrim);
}

.page-features .fx-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  justify-content: flex-end;
  min-height: 82vh;
  padding-block: var(--space-6);
}

.page-features .fx-hero__inner > .crumbs {
  margin-bottom: auto;
}

.page-features .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

.page-features .crumbs a {
  color: inherit;
  text-decoration: none;
}

.page-features .crumbs a:hover,
.page-features .crumbs a:focus-visible {
  text-decoration: underline;
}

.page-features .fx-hero__mark {
  position: absolute;
  top: var(--space-8);
  right: 0;
  display: none;
  writing-mode: vertical-rl;
  font-size: var(--text-xs);
  letter-spacing: 0.26em;
  color: var(--color-contrast-ink);
  opacity: 0.55;
  padding-inline-start: var(--space-2);
  border-inline-start: var(--fx-rule-dark);
}

.page-features .fx-hero__head {
  display: grid;
  gap: var(--space-3);
  max-width: 62rem;
}

.page-features .fx-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

.page-features .fx-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: var(--color-contrast-ink);
  max-width: 16ch;
}

.page-features .fx-hero__lede {
  margin: 0;
  max-width: 48ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

/* 四组关键数字 */
.page-features .fx-figures {
  list-style: none;
  margin: 0;
  padding: var(--space-4) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  border-top: var(--fx-rule-dark);
}

.page-features .fx-figure {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  min-width: 0;
}

.page-features .fx-figure__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-ink);
}

.page-features .fx-figure__unit {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-features .fx-figure__label {
  font-size: var(--text-xs);
  line-height: 1.55;
  color: var(--color-contrast-ink);
  opacity: 0.5;
}

/* ---------- 正文区 ---------- */
.page-features .fx-section {
  padding-block: var(--space-8);
}

.page-features .fx-intro {
  display: grid;
  gap: var(--space-3);
  padding-block-end: var(--space-6);
}

.page-features .fx-intro__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features .fx-intro__lead {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 四段场景 */
.page-features .fx-strain {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-top: var(--fx-rule);
}

.page-features .fx-strain__index {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-features .fx-strain__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 20ch;
}

.page-features .fx-strain__problem {
  margin: 0;
  padding-inline-start: var(--space-3);
  border-inline-start: var(--border-thick) solid var(--color-accent);
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  max-width: var(--measure);
}

.page-features .fx-strain__body {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.page-features .fx-strain__how {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .fx-strain__how a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
}

.page-features .fx-strain__how a:hover,
.page-features .fx-strain__how a:focus-visible {
  border-bottom-color: var(--color-primary);
}

.page-features .fx-strain__proof {
  margin: 0;
  padding-block-start: var(--space-3);
  border-top: var(--fx-rule);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-features .fx-strain__proof .num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-features .fx-strain__proof a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
}

.page-features .fx-strain__proof a:hover,
.page-features .fx-strain__proof a:focus-visible {
  border-bottom-color: var(--color-primary);
}

/* 折叠说明 */
.page-features .fx-fold {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  overflow: hidden;
}

.page-features .fx-fold > summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.page-features .fx-fold > summary::-webkit-details-marker {
  display: none;
}

.page-features .fx-fold > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1;
}

.page-features .fx-fold[open] > summary::before {
  content: "−";
}

.page-features .fx-fold > summary:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: calc(-1 * var(--border-thick));
}

.page-features .fx-fold__body {
  padding: var(--space-3);
  border-top: var(--fx-rule);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .fx-fold__body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
}

.page-features .fx-fold__body p:last-child {
  margin-bottom: 0;
}

.page-features .fx-fold__body strong {
  color: var(--color-ink);
}

/* 图片 */
.page-features .fx-shot {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-features .fx-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  opacity: 0.16;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.page-features .fx-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  filter: saturate(0.4) contrast(1.06);
}

/* 射门区间条 */
.page-features .fx-bars {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface-deep);
  border-radius: var(--radius-md);
}

.page-features .fx-bars__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
}

.page-features .fx-bars__key {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.page-features .fx-bars__track {
  display: block;
  height: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-features .fx-bars__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
}

.page-features .fx-bars__fill--w1 {
  width: 68%;
}

.page-features .fx-bars__fill--w2 {
  width: 34%;
  background: var(--color-accent);
}

.page-features .fx-bars__num {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-features .fx-bars__note {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* 口径刻度尺 */
.page-features .fx-scale {
  padding: var(--space-4);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
}

.page-features .fx-scale__cap {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-features .fx-scale__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-features .fx-scale__item {
  display: grid;
  gap: var(--space-1);
}

.page-features .fx-scale__name {
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-features .fx-scale__rule {
  display: block;
  height: var(--border-thick);
  border-radius: var(--radius-pill);
  background-image: repeating-linear-gradient(
    to right,
    var(--color-primary) 0 var(--border-thick),
    transparent var(--border-thick) var(--space-2)
  );
}

.page-features .fx-scale__rule--1 {
  width: 88%;
}

.page-features .fx-scale__rule--2 {
  width: 70%;
}

.page-features .fx-scale__rule--3 {
  width: 54%;
}

.page-features .fx-scale__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* 转会窗阶段 */
.page-features .fx-window {
  position: relative;
  padding-inline-start: var(--space-4);
}

.page-features .fx-window__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-features .fx-window::before {
  content: "";
  position: absolute;
  left: calc(var(--space-1) / 2);
  top: var(--space-2);
  bottom: var(--space-2);
  border-inline-start: var(--fx-rule);
}

.page-features .fx-window__step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
}

.page-features .fx-window__step::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-4));
  top: 0.5em;
  width: var(--space-1);
  height: var(--space-1);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
}

.page-features .fx-window__key {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.page-features .fx-window__txt {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 履历连线 */
.page-features .fx-thread {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-features .fx-thread__node {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: center;
  padding-block: var(--space-3);
  border-top: var(--fx-rule);
}

.page-features .fx-thread__node::before {
  content: "";
  width: var(--space-2);
  height: var(--space-2);
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transform: rotate(45deg);
}

.page-features .fx-thread__k {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.page-features .fx-thread__v {
  display: block;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------- 六类统计项磁贴 ---------- */
.page-features .fx-tiles {
  background: var(--color-surface-deep);
  border-top: var(--border-thick) solid var(--color-primary);
  padding-block: var(--space-8);
}

.page-features .fx-tiles__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features .fx-tiles__lede {
  margin: 0 0 var(--space-6);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .fx-tiles__rack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: var(--space-3);
}

.page-features .tile {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  cursor: grab;
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-features .tile:hover {
  border-color: var(--color-primary);
}

.page-features .tile:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: var(--border-thick);
}

.page-features .tile.is-dragging {
  cursor: grabbing;
  border-color: var(--color-focus);
  transform: scale(1.02);
}

.page-features .tile__label {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink);
}

.page-features .tile__value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-features .tile__note {
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------- 出口 ---------- */
.page-features .fx-exit {
  padding-block: var(--space-8);
}

.page-features .fx-exit__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features .fx-exit__lede {
  margin: 0 0 var(--space-6);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .fx-exit__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-features .fx-exit__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3) var(--space-4);
  align-items: start;
  padding-block: var(--space-4);
  border-top: var(--fx-rule);
}

.page-features .fx-exit__no {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-accent);
  padding-block-start: 0.2em;
}

.page-features .fx-exit__body h3 {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-features .fx-exit__body h3 a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .fx-exit__body h3 a:hover,
.page-features .fx-exit__body h3 a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-features .fx-exit__body p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .fx-exit__contact {
  margin: var(--space-6) 0 0;
  padding: var(--space-4);
  background: var(--color-primary-soft);
  border-radius: var(--radius-md);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-features .fx-exit__contact a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-features .fx-exit__closing {
  margin: var(--space-6) 0 0;
  padding-block-start: var(--space-3);
  border-top: var(--fx-rule);
  max-width: var(--measure);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-features .fx-hero__lede {
    font-size: var(--text-lg);
  }

  .page-features .fx-figures {
    gap: var(--space-6) var(--space-4);
  }

  .page-features .fx-section,
  .page-features .fx-tiles,
  .page-features .fx-exit {
    padding-block: var(--section-y);
  }
}

@media (min-width: 900px) {
  .page-features .fx-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-features .fx-hero__mark {
    display: block;
  }
}

@media (min-width: 980px) {
  .page-features .fx-strain {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
    padding-block: var(--space-8);
  }

  .page-features .fx-strain--b,
  .page-features .fx-strain--d {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-features .fx-strain--b .fx-strain__head,
  .page-features .fx-strain--d .fx-strain__head {
    grid-column: 2;
    grid-row: 1;
  }

  .page-features .fx-strain--b .fx-strain__body,
  .page-features .fx-strain--d .fx-strain__body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-features .fx-strain__proof {
    padding-inline-start: var(--space-3);
    border-inline-start: var(--border-thin) solid var(--color-line);
    border-top: 0;
    padding-block-start: 0;
  }

  .page-features .fx-exit__item {
    gap: var(--space-4) var(--space-6);
    padding-block: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-features .tile,
  .page-features .fx-bars__fill,
  .page-features .fx-scale__rule {
    transition: none;
  }

  .page-features .tile.is-dragging {
    transform: none;
  }
}
<<<END>>>