/* ===== 页面作用域：赛程与数据（/features/） ===== */
.page-features {
  --fx-cap-gap: var(--space-3);
  --fx-cap-line: var(--color-line);
}

/* ---------- 首屏 ---------- */
.page-features .fx-hero {
  padding-bottom: 0;
}

.page-features .fx-hero__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  padding: var(--space-3) 0 var(--space-6);
}

.page-features .fx-hero__kicker {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-features .fx-hero__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.92;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-features .fx-hero__lead {
  margin: 0 0 var(--space-3);
  max-width: 46ch;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink);
}

.page-features .fx-hero__note {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

.page-features .fx-hero__note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-features .fx-hero__note a:hover {
  color: var(--color-focus);
}

.page-features .fx-hero__fig {
  position: relative;
  z-index: 3;
  margin: 0;
}

.page-features .fx-hero__media {
  position: relative;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-deep);
}

.page-features .fx-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-features .fx-hero__top {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--space-6);
    align-items: end;
  }

  .page-features .fx-hero__fig {
    margin-bottom: calc(var(--space-8) * -1);
  }
}

/* ---------- 深色数字带 ---------- */
.page-features .fx-band {
  position: relative;
  z-index: 1;
  padding: var(--space-6) 0 var(--space-8);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

@media (min-width: 900px) {
  .page-features .fx-band {
    padding-top: calc(var(--space-8) + var(--space-6));
  }
}

.page-features .fx-band__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
}

@media (min-width: 820px) {
  .page-features .fx-band__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

.page-features .fx-band__cell {
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-features .fx-band__figure {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-features .fx-band__num {
  font-size: var(--text-figure);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
}

.page-features .fx-band__unit {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-features .fx-band__label {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.2;
  color: var(--color-contrast-ink);
}

.page-features .fx-band__note {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

/* ---------- 四类能力索引 ---------- */
.page-features .fx-index {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .fx-index__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 820px) {
  .page-features .fx-index__row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-features .fx-index__item {
  display: block;
  padding: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thin) solid var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
  transition: background-color 0.18s ease;
}

.page-features .fx-index__item:nth-child(odd) {
  border-left: 0;
}

@media (min-width: 820px) {
  .page-features .fx-index__item:nth-child(odd) {
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-features .fx-index__item:first-child {
    border-left: 0;
  }
}

.page-features .fx-index__item:hover,
.page-features .fx-index__item:focus-visible {
  background: var(--color-primary-soft);
}

.page-features .fx-index__no {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-features .fx-index__name {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.15;
  color: var(--color-ink);
}

.page-features .fx-index__hint {
  display: block;
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

/* ---------- 能力分段 ---------- */
.page-features .fx-cap {
  position: relative;
  padding: var(--section-y) 0;
}

.page-features .fx-cap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58%;
  height: var(--border-thin);
  background: var(--fx-cap-line);
}

.page-features .fx-cap--flip::before {
  left: auto;
  right: 0;
  width: 74%;
}

.page-features .fx-cap__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .page-features .fx-cap__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
  }
}

.page-features .fx-cap__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

.page-features .fx-cap__no {
  display: inline-block;
  margin: 0;
  padding: 3px var(--space-1);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
}

.page-features .fx-cap__name {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

@media (min-width: 900px) {
  .page-features .fx-cap__name {
    font-size: var(--text-4xl);
  }
}

.page-features .fx-cap__badge {
  position: relative;
  display: inline-block;
  cursor: default;
}

.page-features .fx-cap__badge::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  top: calc(100% + var(--space-1));
  z-index: 6;
  width: max-content;
  max-width: 250px;
  padding: var(--space-1) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.55;
  border-radius: var(--radius-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.page-features .fx-cap__badge:hover::after,
.page-features .fx-cap__badge:focus::after {
  opacity: 1;
  visibility: visible;
}

.page-features .fx-cap__body {
  min-width: 0;
}

.page-features .fx-cap__lede {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-features .fx-cap__fig {
  margin: 0 0 var(--space-4);
}

.page-features .fx-cap__fig .figure__media {
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-deep);
}

.page-features .fx-cap__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-features .fx-cap__fig--square img {
  aspect-ratio: 1 / 1;
}

@media (min-width: 700px) {
  .page-features .fx-cap__fig {
    max-width: 78%;
  }

  .page-features .fx-cap__fig--square {
    max-width: 60%;
    margin-left: auto;
    margin-right: 0;
  }
}

.page-features .fx-cap__meta {
  margin: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features .fx-cap__meta > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

@media (min-width: 620px) {
  .page-features .fx-cap__meta > div {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }
}

.page-features .fx-cap__meta dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-features .fx-cap__meta dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
}

/* ---------- 时区刻度尺 ---------- */
.page-features .fx-ruler {
  margin: var(--space-4) 0 0;
  color: var(--color-ink-soft);
}

.page-features .fx-ruler svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
}

.page-features .fx-ruler__axis,
.page-features .fx-ruler__ticks line {
  stroke: currentColor;
  stroke-width: 1;
}

.page-features .fx-ruler__axis {
  opacity: 0.45;
}

.page-features .fx-ruler__labels {
  fill: currentColor;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-anchor: middle;
}

.page-features .fx-figcap {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

/* ---------- 12 项读数表 ---------- */
.page-features .fx-panel {
  margin: 0 0 var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}

.page-features .fx-panel__head {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
}

.page-features .fx-table-wrap {
  overflow-x: auto;
}

.page-features .fx-table {
  width: 100%;
  min-width: 380px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-features .fx-table__caption {
  caption-side: top;
  padding: var(--space-2) var(--space-3);
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-features .fx-table th {
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary-soft);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-align: left;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-features .fx-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: top;
  line-height: 1.55;
  color: var(--color-ink);
}

.page-features .fx-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-features .fx-table td:first-child {
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* ---------- 起步四步 ---------- */
.page-features .fx-start {
  padding: var(--section-y) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features .fx-start__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-features .fx-start__kicker {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-features .fx-start__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: 1.05;
  color: var(--color-ink);
}

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

.page-features .fx-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

@media (min-width: 760px) {
  .page-features .fx-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-features .fx-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-features .fx-steps__item {
  padding: var(--space-3) var(--space-3) var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

@media (min-width: 760px) {
  .page-features .fx-steps__item {
    padding-right: var(--space-4);
  }

  .page-features .fx-steps__item:nth-child(even) {
    padding-left: var(--space-3);
    border-left: var(--border-thin) solid var(--color-line);
  }
}

@media (min-width: 1080px) {
  .page-features .fx-steps__item:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

  .page-features .fx-steps__item + .fx-steps__item {
    padding-left: var(--space-3);
    border-left: var(--border-thin) solid var(--color-line);
  }
}

.page-features .fx-steps__no {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-2xl);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.page-features .fx-steps__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: 1.15;
  color: var(--color-ink);
}

.page-features .fx-steps__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 收尾出口 ---------- */
.page-features .fx-next {
  padding: var(--section-y) 0 var(--section-y-lg);
}

.page-features .fx-next__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-features .fx-next__kicker {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-features .fx-next__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: 1.05;
  color: var(--color-ink);
}

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

.page-features .fx-next__intro a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-features .fx-next__intro a:hover {
  color: var(--color-focus);
}

.page-features .fx-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--border-thin) solid var(--color-line);
}

@media (min-width: 780px) {
  .page-features .fx-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-features .fx-next__link {
  display: block;
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
  transition: background-color 0.18s ease;
}

@media (min-width: 780px) {
  .page-features .fx-next__link {
    padding: var(--space-4) var(--space-3);
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-features .fx-next__link:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-features .fx-next__link:nth-child(3n + 1) {
    border-left: 0;
    padding-left: 0;
  }
}

.page-features .fx-next__link:hover,
.page-features .fx-next__link:focus-visible {
  background: var(--color-primary-soft);
}

.page-features .fx-next__label {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: 1.15;
  color: var(--color-ink);
}

.page-features .fx-next__desc {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

@media (prefers-reduced-motion: reduce) {
  .page-features .fx-index__item,
  .page-features .fx-next__link,
  .page-features .fx-cap__badge::after {
    transition: none;
  }
}