.page-scenarios {
  --sc-rail: 212px;
  --sc-flow: var(--space-6);
}

/* ---------- 首屏 ---------- */

.page-scenarios .sc-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  isolation: isolate;
}

.page-scenarios .sc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-scenarios .sc-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-scenarios .sc-hero__scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
}

.page-scenarios .sc-hero__shear {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 58%;
  background-color: var(--color-contrast-surface);
  clip-path: polygon(0 42%, 52% 0, 100% 20%, 100% 100%, 0 100%);
  z-index: 1;
  pointer-events: none;
}

.page-scenarios .sc-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

.page-scenarios .sc-hero__crumbs {
  color: var(--color-contrast-ink);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.page-scenarios .sc-hero__crumbs a {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 150ms ease;
}

.page-scenarios .sc-hero__crumbs a:hover {
  border-bottom-color: var(--color-contrast-accent);
}

.page-scenarios .sc-hero__eyebrow {
  color: var(--color-contrast-accent);
}

.page-scenarios .sc-hero__title {
  margin: 0;
  max-width: 9em;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--color-contrast-ink);
}

.page-scenarios .sc-hero__lede {
  margin: var(--space-2) 0 0;
  max-width: 52ch;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-scenarios .sc-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3) var(--space-4);
  margin: var(--space-6) 0 0;
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-scenarios .sc-figure {
  min-width: 0;
}

.page-scenarios .sc-figure__label {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-contrast-ink);
  opacity: 0.62;
}

.page-scenarios .sc-figure__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 1;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

/* ---------- 主体网格 ---------- */

.page-scenarios .sc-body {
  background-color: var(--color-surface);
}

.page-scenarios .sc-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

/* ---------- 纵向联赛切换器 ---------- */

.page-scenarios .sc-rail__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-left: var(--border-thin) solid var(--color-line);
}

.page-scenarios .sc-rail__list a {
  display: block;
  margin-left: calc(var(--border-thin) * -1);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
  border-left: 2px solid transparent;
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.page-scenarios .sc-rail__list a:hover,
.page-scenarios .sc-rail__list a:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-accent);
  background-color: var(--color-highlight);
}

/* ---------- 专题小组 ---------- */

.page-scenarios .sc-groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  min-width: 0;
}

.page-scenarios .sc-group {
  min-width: 0;
}

.page-scenarios .sc-group__index {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .sc-group__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-scenarios .sc-group__meta {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-group__lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-group__points {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-scenarios .sc-group__points li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: 1.62;
  color: var(--color-ink);
}

.page-scenarios .sc-group__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 2px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}

.page-scenarios .sc-group__figure {
  margin: var(--space-4) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-scenarios .sc-group__figure--wide,
.page-scenarios .sc-group__figure--inset {
  max-width: 720px;
}

.page-scenarios .sc-group__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-scenarios .sc-group__more {
  margin: var(--space-3) 0 0;
}

.page-scenarios .sc-link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: color 150ms ease, border-color 150ms ease;
}

.page-scenarios .sc-link:hover,
.page-scenarios .sc-link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-scenarios .sc-group__rule {
  height: 2px;
  margin-top: var(--space-4);
  border-radius: var(--radius-pill);
  background-image: linear-gradient(
    90deg,
    var(--color-accent) 0,
    var(--color-accent) 34%,
    var(--color-line) 34%,
    var(--color-line) 100%
  );
}

/* ---------- 比对口径 ---------- */

.page-scenarios .sc-method {
  background-color: var(--color-surface-alt);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

.page-scenarios .sc-method__title {
  margin: var(--space-2) 0 0;
  max-width: 22ch;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .sc-method__lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-method__steps {
  list-style: none;
  counter-reset: scstep;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-scenarios .sc-method__step {
  min-width: 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-scenarios .sc-method__step-num {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .sc-method__step-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.32;
  color: var(--color-ink);
}

.page-scenarios .sc-method__step-body {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-method__trackwrap {
  margin-top: var(--space-6);
}

.page-scenarios .sc-method__tracklabel {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-method__track {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-2);
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-scenarios .sc-method__card {
  flex: 0 0 236px;
  scroll-snap-align: start;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-1);
  transition: border-color 150ms ease;
}

.page-scenarios .sc-method__card:hover {
  border-color: var(--color-accent);
}

.page-scenarios .sc-method__card-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-scenarios .sc-method__card-body {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* ---------- 条目索引 ---------- */

.page-scenarios .sc-index {
  background-color: var(--color-surface);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

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

.page-scenarios .sc-index__lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-entries {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-scenarios .sc-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "num status"
    "main main";
  gap: var(--space-2) var(--space-2);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
  min-width: 0;
}

.page-scenarios .sc-entry__num {
  grid-area: num;
  align-self: center;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
  transition: color 150ms ease;
}

.page-scenarios .sc-entry:hover .sc-entry__num {
  color: var(--color-accent);
}

.page-scenarios .sc-entry__main {
  grid-area: main;
  min-width: 0;
}

.page-scenarios .sc-entry__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.42;
  color: var(--color-ink);
}

.page-scenarios .sc-entry__meta {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-entry__status {
  grid-area: status;
  position: relative;
  align-self: center;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background-color: var(--color-surface-alt);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--color-ink-soft);
  cursor: default;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.page-scenarios .sc-entry__status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  opacity: 0.85;
}

.page-scenarios .sc-entry__status--settled {
  color: var(--color-primary);
}

.page-scenarios .sc-entry__status--live {
  color: var(--color-accent);
}

.page-scenarios .sc-entry__status--rule {
  color: var(--color-ink-soft);
}

.page-scenarios .sc-entry__status--observe {
  color: var(--color-ink-muted);
}

.page-scenarios .sc-entry__status--playoff {
  color: var(--color-accent);
  background-color: var(--color-highlight);
}

.page-scenarios .sc-entry__status:hover,
.page-scenarios .sc-entry__status:focus-visible {
  border-color: var(--color-accent);
}

.page-scenarios .sc-entry__tip {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  width: 232px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-xs);
  letter-spacing: 0;
  line-height: 1.55;
  white-space: normal;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  pointer-events: none;
  z-index: 4;
}

.page-scenarios .sc-entry__status:hover .sc-entry__tip,
.page-scenarios .sc-entry__status:focus-visible .sc-entry__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 更新与勘误 ---------- */

.page-scenarios .sc-update {
  background-color: var(--color-surface-deep);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

.page-scenarios .sc-update__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-scenarios .sc-update__title {
  margin: var(--space-2) 0 0;
  max-width: 24ch;
  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-scenarios .sc-update__lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-update__list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-scenarios .sc-update__list li {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-accent);
}

.page-scenarios .sc-update__item-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-scenarios .sc-update__item-body {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-update__panel {
  align-self: start;
  background-color: var(--color-surface);
}

.page-scenarios .sc-update__panel-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-scenarios .sc-update__panel-list {
  counter-reset: scfix;
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-scenarios .sc-update__panel-list li {
  counter-increment: scfix;
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.62;
  color: var(--color-ink);
}

.page-scenarios .sc-update__panel-list li::before {
  content: counter(scfix, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.18em;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .sc-update__panel-note {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.page-scenarios .sc-update__panel-btn {
  margin-top: var(--space-3);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-scenarios .sc-group__points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2) var(--space-4);
  }

  .page-scenarios .sc-entry {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    grid-template-areas: "num main status";
    align-items: center;
    gap: var(--space-3);
  }

  .page-scenarios .sc-entry__num {
    align-self: center;
  }

  .page-scenarios .sc-entry__status {
    justify-self: end;
  }
}

@media (min-width: 768px) {
  .page-scenarios .sc-hero__inner {
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y-lg);
  }

  .page-scenarios .sc-hero__shear {
    clip-path: polygon(0 46%, 40% 0, 100% 16%, 100% 100%, 0 100%);
  }

  .page-scenarios .sc-hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3) var(--space-4);
  }

  .page-scenarios .sc-method__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--space-6);
  }
}

@media (min-width: 960px) {
  .page-scenarios .sc-body__grid {
    grid-template-columns: var(--sc-rail) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-scenarios .sc-rail {
    position: sticky;
    top: var(--space-6);
    align-self: start;
  }

  .page-scenarios .sc-update__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--space-6);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .sc-hero__crumbs a,
  .page-scenarios .sc-rail__list a,
  .page-scenarios .sc-link,
  .page-scenarios .sc-entry__num,
  .page-scenarios .sc-entry__status,
  .page-scenarios .sc-entry__tip,
  .page-scenarios .sc-method__card {
    transition: none;
  }

  .page-scenarios .sc-method__track {
    scroll-snap-type: none;
    scroll-behavior: auto;
  }
}
</style>