.page-features {
  --fe-rule: color-mix(in srgb, var(--color-primary) 26%, transparent);
  --fe-rule-soft: color-mix(in srgb, var(--color-line) 100%, transparent);
  --fe-dim: color-mix(in srgb, var(--color-contrast-ink) 64%, transparent);
}

/* ---------- 首屏 ---------- */
.page-features .features-hero {
  position: relative;
  overflow: hidden;
}

.page-features .features-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    repeating-linear-gradient(to right, var(--fe-rule) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(to bottom, var(--fe-rule) 0 1px, transparent 1px 88px);
  pointer-events: none;
}

.page-features .features-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 6%;
  right: -16%;
  width: 54%;
  height: 78%;
  background: color-mix(in srgb, var(--color-primary) 17%, transparent);
  border-radius: var(--radius-lg);
  transform: rotate(-5deg);
  pointer-events: none;
}

.page-features .features-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 980px) {
  .page-features .features-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-features .features-hero-lead .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-features .features-hero-lead .lede {
  margin-top: var(--space-4);
  max-width: 52ch;
}

/* 首屏四个数字 */
.page-features .features-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--fe-rule);
}

@media (min-width: 640px) {
  .page-features .features-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-features .features-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-features .features-stat-figure {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--color-primary) 76%, var(--color-ink));
}

.page-features .features-stat-label {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

/* ---------- 状态面板 ---------- */
.page-features .features-panel {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-2);
}

@media (min-width: 720px) {
  .page-features .features-panel {
    padding: var(--space-4) var(--space-4) var(--space-6);
  }
}

.page-features .features-panel-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-features .features-panel-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

.page-features .features-panel-status {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

@media (min-width: 560px) {
  .page-features .features-panel-status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-features .features-panel .status-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-features .features-panel .status-key {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--fe-dim);
}

.page-features .features-panel .status-value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.4;
  color: var(--color-contrast-ink);
  overflow-wrap: anywhere;
}

.page-features .features-panel-block {
  margin-top: var(--space-3);
}

.page-features .features-panel-label {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--fe-dim);
  margin-bottom: var(--space-2);
}

.page-features .features-panel-tabs,
.page-features .features-date-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-features .features-panel .league-tab,
.page-features .features-panel .date-chip {
  appearance: none;
  border: var(--border-thin) solid var(--color-contrast-line);
  background: transparent;
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.2;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-features .features-panel .date-chip {
  font-family: var(--font-mono);
  background: color-mix(in srgb, var(--color-contrast-ink) 10%, transparent);
  border-color: transparent;
}

.page-features .features-panel .league-tab:hover,
.page-features .features-panel .date-chip:hover {
  border-color: color-mix(in srgb, var(--color-contrast-accent) 55%, var(--color-contrast-line));
  color: var(--color-contrast-ink);
}

.page-features .features-panel .league-tab.is-active,
.page-features .features-panel .league-tab[aria-pressed="true"],
.page-features .features-panel .date-chip[aria-pressed="true"] {
  background: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-features .features-panel .league-tab:focus-visible,
.page-features .features-panel .date-chip:focus-visible {
  outline: var(--border-thick) solid var(--color-contrast-accent);
  outline-offset: 2px;
}

.page-features .features-panel-note {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--fe-dim);
}

/* ---------- 分组节奏 ---------- */
.page-features .features-group {
  padding-block: var(--space-8);
}

@media (min-width: 860px) {
  .page-features .features-group {
    padding-block: var(--section-y);
  }
  .page-features .features-group--roomy {
    padding-block: calc(var(--section-y) + var(--space-3));
  }
  .page-features .features-group--roomiest {
    padding-block: var(--section-y-lg);
  }
}

.page-features .features-group .section-head {
  max-width: 70ch;
}

/* ---------- 图片 ---------- */
.page-features .features-figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  background: var(--color-surface-deep);
}

.page-features .features-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-features .features-figure--wide {
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 860px) {
  .page-features .features-figure--wide {
    margin-top: var(--space-8);
  }
}

.page-features .features-media-pair {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 900px) {
  .page-features .features-media-pair {
    grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
    align-items: end;
    gap: var(--space-4);
    margin-top: var(--space-8);
  }
}

.page-features .features-group .features-figure.reveal + .features-caps,
.page-features .features-media-pair + .features-caps {
  margin-top: var(--space-6);
}

/* ---------- 能力条目：左触发 / 右结果 ---------- */
.page-features .features-caps {
  border-top: var(--border-thin) solid var(--fe-rule-soft);
}

.page-features .features-cap {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) solid var(--fe-rule-soft);
}

.page-features .features-cap:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

@media (min-width: 860px) {
  .page-features .features-cap {
    grid-template-columns: minmax(0, 0.58fr) minmax(0, 1fr);
    gap: var(--space-8);
    padding-block: var(--space-6);
  }
}

.page-features .features-cap-left {
  min-width: 0;
}

.page-features .features-cap-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-features .features-cap-when {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.66;
  color: var(--color-ink-soft);
  max-width: 34ch;
}

.page-features .features-cap-when::before {
  content: "";
  display: block;
  width: 26px;
  height: var(--border-thick);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-features .features-cap-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.page-features .features-cap-right p {
  margin: 0;
  line-height: var(--leading-body);
  max-width: 62ch;
}

.page-features .features-cap-right a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 3px;
}

.page-features .features-cap-right a:hover {
  color: var(--color-focus);
}

.page-features .features-cap-bound {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  border-left: var(--border-thick) solid var(--color-primary);
  padding-left: var(--space-3);
}

/* ---------- 能力边界 ---------- */
.page-features .features-boundary .eyebrow,
.page-features .features-boundary .section-title,
.page-features .features-boundary .lede {
  color: var(--color-contrast-ink);
}

.page-features .features-boundary .eyebrow {
  color: var(--color-contrast-accent);
}

.page-features .features-boundary .section-title {
  margin-top: var(--space-2);
}

.page-features .features-boundary-lead .lede {
  margin-top: var(--space-4);
  max-width: 46ch;
}

.page-features .features-boundary-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 980px) {
  .page-features .features-boundary-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: var(--space-8);
    align-items: start;
  }
}

.page-features .features-boundary-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-features .features-boundary-list li {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-features .features-boundary-list li:last-child {
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-features .features-boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-3) + 11px);
  width: 12px;
  height: var(--border-thick);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-accent);
}

/* ---------- 出口 ---------- */
.page-features .features-next {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 860px) {
  .page-features .features-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-8);
  }
}

.page-features .features-next p {
  margin: 0;
  max-width: 62ch;
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-features .features-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-features .features-hero::after {
    transform: none;
  }
  .page-features .features-panel .league-tab,
  .page-features .features-panel .date-chip {
    transition: none;
  }
}