/* ===== 外援名额与注册规则专题（/special/index/） ===== */

.page-topics-index .ti-crumb {
  margin-bottom: var(--space-6);
}

.page-topics-index .ti-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-primary-ink) 70%, transparent);
}

.page-topics-index .ti-crumb li + li::before {
  content: "/";
  margin-right: var(--space-2);
  color: color-mix(in srgb, var(--color-primary-ink) 38%, transparent);
}

.page-topics-index .ti-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 34%, transparent);
}

.page-topics-index .ti-crumb a:hover,
.page-topics-index .ti-crumb a:focus-visible {
  color: var(--color-primary-ink);
  border-bottom-color: var(--color-primary-ink);
}

.page-topics-index .ti-hero__eyebrow {
  color: color-mix(in srgb, var(--color-primary-ink) 76%, transparent);
}

.page-topics-index .ti-hero__title {
  max-width: 15ch;
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary-ink);
}

.page-topics-index .ti-hero__lede {
  max-width: var(--measure);
  margin-top: var(--space-3);
  color: color-mix(in srgb, var(--color-primary-ink) 86%, transparent);
}

/* 首屏关键数字带 —— 靠色差切分为四个格 */

.page-topics-index .ti-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--border-thin);
  margin-top: var(--space-6);
  background: color-mix(in srgb, var(--color-primary-ink) 32%, var(--color-primary));
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 32%, var(--color-primary));
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 32%, var(--color-primary));
}

.page-topics-index .ti-fact {
  background: var(--color-primary);
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
}

.page-topics-index .ti-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary-ink);
}

.page-topics-index .ti-fact__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-primary-ink) 74%, transparent);
}

/* 非对称 2:4 分栏 */

.page-topics-index .ti-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-topics-index .ti-band__note {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.9;
  color: color-mix(in srgb, var(--color-ink-muted) 100%, transparent);
}

.page-topics-index .section--contrast .ti-band__note {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-topics-index .ti-band__note a {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-topics-index .ti-band__note a:hover,
.page-topics-index .ti-band__note a:focus-visible {
  color: var(--color-accent);
}

.page-topics-index .section--contrast .ti-band__note a:hover,
.page-topics-index .section--contrast .ti-band__note a:focus-visible {
  color: var(--color-contrast-accent);
}

.page-topics-index .ti-band__body > .prose + .prose {
  margin-top: var(--space-3);
}

.page-topics-index .ti-band__body .prose a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-topics-index .ti-band__body .prose a:hover,
.page-topics-index .ti-band__body .prose a:focus-visible {
  color: var(--color-accent);
}

/* 条款区 —— 超大编号与深色底 */

.page-topics-index .ti-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-topics-index .ti-clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-topics-index .ti-clause__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-contrast-accent);
}

.page-topics-index .ti-clause__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-contrast-ink);
}

.page-topics-index .ti-clause__text {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

/* 位置示意 —— 直角方块 */

.page-topics-index .ti-legend {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-topics-index .ti-legend__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.page-topics-index .ti-legend__text {
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-ink-soft);
}

.page-topics-index .ti-legend__text strong {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

.page-topics-index .ti-chip {
  display: block;
  width: calc(var(--space-3) - var(--space-1));
  height: calc(var(--space-3) - var(--space-1));
  margin-top: calc(var(--space-1) / 2);
  border-radius: var(--radius-sm);
}

.page-topics-index .ti-chip--filled {
  background: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
}

.page-topics-index .ti-chip--open {
  background: transparent;
  border: var(--border-thin) solid var(--color-primary);
}

.page-topics-index .ti-chip--void {
  background: transparent;
  border: var(--border-thin) dashed var(--color-ink-muted);
}

.page-topics-index .ti-rows {
  margin-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-topics-index .ti-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-topics-index .ti-row__label {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-topics-index .ti-row__cells {
  display: flex;
  gap: var(--space-1);
}

.page-topics-index .ti-row__cells .ti-chip {
  margin-top: 0;
  width: var(--space-4);
  height: var(--space-4);
}

/* 适用条件 —— 成立 / 不成立对照 */

.page-topics-index .ti-cond {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-topics-index .ti-cond__col {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
}

.page-topics-index .ti-cond__col--yes {
  background: var(--color-primary-soft);
}

.page-topics-index .ti-cond__col--no {
  background: var(--color-surface-deep);
}

.page-topics-index .ti-cond__head {
  margin: 0 0 var(--space-3);
  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-topics-index .ti-cond__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-topics-index .ti-cond__list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics-index .ti-cond__list li + li {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-ink) 12%, transparent);
}

.page-topics-index .ti-cond__col--yes .ti-cond__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--text-base) * 0.62);
  width: var(--space-2);
  height: var(--border-thin);
  background: var(--color-primary);
}

.page-topics-index .ti-cond__col--no .ti-cond__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--text-base) * 0.62);
  width: var(--space-2);
  height: var(--border-thin);
  background: var(--color-accent);
}

/* 时间线 —— 细实线纵轨 + 直角节点 */

.page-topics-index .ti-timeline {
  position: relative;
  margin: var(--space-6) 0 0;
  padding: 0 0 0 var(--space-4);
  list-style: none;
}

.page-topics-index .ti-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--border-thin) * 2);
  background: var(--color-contrast-line);
}

.page-topics-index .ti-node {
  position: relative;
  padding: 0 0 var(--space-6);
}

.page-topics-index .ti-node:last-child {
  padding-bottom: 0;
}

.page-topics-index .ti-node::before {
  content: "";
  position: absolute;
  left: calc(var(--space-4) * -1);
  top: calc(var(--space-1) / 2);
  width: var(--space-2);
  height: var(--space-2);
  background: var(--color-contrast-accent);
  border-radius: var(--radius-sm);
}

.page-topics-index .ti-node__step {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-topics-index .ti-node__title {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-topics-index .ti-node__text {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
}

/* 常见误读 —— 浅色提醒块 + 强调色边条 */

.page-topics-index .ti-myths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-topics-index .ti-myth {
  padding: var(--space-4);
  background: var(--color-surface);
  border-left: calc(var(--border-thin) * 4) solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.page-topics-index .ti-myth__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-topics-index .ti-myth__title {
  margin: var(--space-2) 0 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-topics-index .ti-myth__text {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics-index .ti-myth__text a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-topics-index .ti-myth__text a:hover,
.page-topics-index .ti-myth__text a:focus-visible {
  color: var(--color-accent);
}

.page-topics-index .ti-myths__foot {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-ink-muted);
}

.page-topics-index .ti-myths__foot a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-topics-index .ti-myths__foot a:hover,
.page-topics-index .ti-myths__foot a:focus-visible {
  color: var(--color-accent);
}

/* 图片衬底 */

.page-topics-index .ti-figure {
  margin: var(--space-6) 0 0;
}

.page-topics-index .ti-figure--dark .figure__caption {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-topics-index .ti-figure--inverse {
  margin-top: var(--space-4);
}

.page-topics-index .ti-figure__caption,
.page-topics-index .ti-figure .figure__caption {
  font-size: var(--text-sm);
  line-height: 1.9;
}

.page-topics-index .ti-figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 相邻专题带 */

.page-topics-index .ti-adj__eyebrow {
  color: color-mix(in srgb, var(--color-primary-ink) 76%, transparent);
}

.page-topics-index .ti-adj__title {
  color: var(--color-primary-ink);
  max-width: 22ch;
}

.page-topics-index .ti-adj {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--border-thin);
  margin-top: var(--space-4);
  background: color-mix(in srgb, var(--color-primary-ink) 30%, var(--color-primary));
}

.page-topics-index .ti-adj__item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  background: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background-color 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.page-topics-index .ti-adj__item:hover,
.page-topics-index .ti-adj__item:focus-visible {
  background: var(--color-primary-ink);
}

.page-topics-index .ti-adj__item:hover .ti-adj__kicker,
.page-topics-index .ti-adj__item:focus-visible .ti-adj__kicker {
  color: var(--color-accent);
}

.page-topics-index .ti-adj__item:hover .ti-adj__name,
.page-topics-index .ti-adj__item:focus-visible .ti-adj__name {
  color: var(--color-ink);
}

.page-topics-index .ti-adj__item:hover .ti-adj__desc,
.page-topics-index .ti-adj__item:focus-visible .ti-adj__desc {
  color: var(--color-ink-soft);
}

.page-topics-index .ti-adj__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-primary-ink) 68%, transparent);
}

.page-topics-index .ti-adj__name {
  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-primary-ink);
}

.page-topics-index .ti-adj__desc {
  margin-top: var(--space-1);
  max-width: 46ch;
  font-size: var(--text-sm);
  line-height: 1.9;
  color: color-mix(in srgb, var(--color-primary-ink) 82%, transparent);
}

/* ===== 响应式 ===== */

@media (min-width: 720px) {
  .page-topics-index .ti-hero__title {
    font-size: var(--text-3xl);
  }

  .page-topics-index .ti-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-topics-index .ti-legend__item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-topics-index .ti-cond {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-topics-index .ti-adj {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-topics-index .ti-myths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-topics-index .ti-myths > .ti-myth:first-child {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-topics-index .ti-hero__title {
    font-size: var(--text-4xl);
  }

  .page-topics-index .ti-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-topics-index .ti-band {
    grid-template-columns: minmax(0, 2fr) minmax(0, 4fr);
    gap: var(--space-6);
  }

  .page-topics-index .ti-clause {
    grid-template-columns: calc(var(--space-4) * 3) minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-topics-index .ti-clause__num {
    font-size: var(--text-3xl);
  }

  .page-topics-index .ti-row {
    grid-template-columns: minmax(0, 2fr) minmax(0, 4fr);
    align-items: center;
  }

  .page-topics-index .ti-band__aside {
    position: sticky;
    top: var(--space-8);
    align-self: start;
  }

  .page-topics-index .section--contrast .ti-band__aside {
    position: static;
  }

  .page-topics-index .ti-myths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-topics-index .ti-myths > .ti-myth:first-child {
    grid-column: span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-topics-index .ti-adj__item {
    transition: none;
  }
}
<<<END>>>