/* 赛事章程页面：依据 2026 深色卡片版设计稿独立实现，避免影响其他公开页面。 */
.rules-redesign {
  --rules-bg: #080d19;
  --rules-bg-alt: #0d1527;
  --rules-panel: #141e35;
  --rules-panel-soft: #111a2f;
  --rules-border: rgba(116, 140, 187, .18);
  --rules-text: #f4f7ff;
  --rules-muted: #94a1ba;
  --rules-cyan: #15cce3;
  --rules-purple: #7b65ff;
  background: var(--rules-bg);
  color: var(--rules-text);
}

.rules-redesign::before,
.rules-redesign::after {
  display: none;
}

.rules-redesign main {
  display: block;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0, rgba(48, 72, 132, .12), transparent 31rem),
    var(--rules-bg);
}

.rules-redesign .rules-container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.rules-redesign .rules-container-narrow {
  width: min(1060px, calc(100% - 48px));
}

.rules-redesign .rules-section {
  position: relative;
  padding: 104px 0;
  scroll-margin-top: 100px;
}

.rules-redesign .rules-section-heading {
  max-width: 780px;
  margin: 0 auto 52px;
  text-align: center;
}

.rules-redesign .rules-section-heading h1,
.rules-redesign .rules-section-heading h2 {
  margin: 0;
  color: var(--rules-text);
  font-size: clamp(2.25rem, 4vw, 3.6rem);
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -.035em;
}

.rules-redesign .rules-section-heading > p:last-child {
  margin: 16px 0 0;
  color: var(--rules-muted);
  font-size: 15px;
  line-height: 1.8;
}

.rules-redesign .rules-eyebrow {
  margin: 0 0 12px;
  color: var(--rules-cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
}

.rules-redesign .rules-about {
  min-height: 580px;
  padding-top: 140px;
  display: flex;
  align-items: center;
}

.rules-redesign .about-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.rules-redesign .info-card,
.rules-redesign .detail-card,
.rules-redesign .entry-card {
  border: 1px solid var(--rules-border);
  background: linear-gradient(145deg, rgba(23, 34, 59, .98), rgba(17, 26, 47, .98));
  box-shadow: inset 0 1px rgba(255, 255, 255, .025);
}

.rules-redesign .info-card {
  min-height: 226px;
  padding: 27px 25px;
  border-radius: 17px;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.rules-redesign .info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(36, 203, 225, .34);
  box-shadow: 0 20px 44px rgba(0, 0, 0, .18);
}

.rules-redesign .info-card-icon {
  display: inline-flex;
  min-height: 35px;
  align-items: center;
  font-size: 26px;
}

.rules-redesign .info-card h2 {
  margin: 19px 0 10px;
  color: #f8faff;
  font-size: 17px;
  font-weight: 700;
}

.rules-redesign .info-card p,
.rules-redesign .detail-card p {
  margin: 0;
  color: var(--rules-muted);
  font-size: 13px;
  line-height: 1.75;
}

.rules-redesign .rules-chapter {
  background:
    radial-gradient(circle at 22% 25%, rgba(33, 83, 145, .08), transparent 28rem),
    var(--rules-bg-alt);
}

.rules-redesign .chapter-heading {
  max-width: 920px;
  margin-bottom: 42px;
}

.rules-redesign .chapter-heading .heading-note {
  max-width: 820px;
  margin: 8px auto 0;
  color: #afbad0;
}

.rules-redesign .chapter-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  max-width: 900px;
  margin: 0 auto 22px;
  padding: 0;
  list-style: none;
}

.rules-redesign .chapter-timeline::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 9%;
  right: 9%;
  height: 1px;
  background: linear-gradient(90deg, rgba(19, 199, 224, .34), var(--rules-cyan), rgba(19, 199, 224, .34));
}

.rules-redesign .chapter-timeline li {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  color: var(--rules-muted);
  font-size: 11px;
}

.rules-redesign .chapter-timeline span {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid rgba(24, 210, 231, .7);
  border-radius: 50%;
  background: var(--rules-bg-alt);
  color: var(--rules-cyan);
  font-size: 9px;
  box-shadow: 0 0 0 5px var(--rules-bg-alt);
}

.rules-redesign .chapter-timeline b {
  font-weight: 500;
}

.rules-redesign .chapter-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 56px;
}

.rules-redesign .chapter-tabs a {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border: 1px solid rgba(111, 134, 181, .16);
  border-radius: 11px;
  background: #121c32;
  color: #8f9bb4;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.rules-redesign .chapter-tabs a:hover,
.rules-redesign .chapter-tabs a.is-active {
  border-color: rgba(18, 207, 232, .7);
  background: rgba(16, 92, 125, .17);
  color: #effdff;
}

.rules-redesign .phase-block {
  margin-top: 43px;
  scroll-margin-top: 105px;
}

.rules-redesign .phase-title {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 18px;
}

.rules-redesign .phase-title span {
  display: inline-flex;
  min-width: 37px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(18, 207, 232, .35);
  border-radius: 8px;
  background: rgba(9, 32, 54, .85);
  color: var(--rules-cyan);
  font-size: 11px;
  font-weight: 800;
}

.rules-redesign .phase-title h3 {
  margin: 0;
  color: #f3f6fc;
  font-size: 18px;
  font-weight: 700;
}

.rules-redesign .detail-grid {
  display: grid;
  gap: 10px;
}

.rules-redesign .detail-grid-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rules-redesign .detail-card {
  min-height: 101px;
  padding: 19px 20px;
  border-radius: 11px;
}

.rules-redesign .detail-card h4 {
  margin: 0 0 8px;
  color: #f2f5fb;
  font-size: 13px;
  font-weight: 700;
}

.rules-redesign .day-strip,
.rules-redesign .review-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.rules-redesign .day-strip > div,
.rules-redesign .review-steps > span {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 1px solid rgba(111, 134, 181, .16);
  border-radius: 10px;
  background: #121c32;
  color: #9aa6bc;
  font-size: 12px;
}

.rules-redesign .day-strip b,
.rules-redesign .review-steps b {
  display: inline-flex;
  flex: 0 0 auto;
  min-width: 42px;
  min-height: 25px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(12, 199, 224, .15);
  color: var(--rules-cyan);
  font-size: 10px;
}

.rules-redesign .phase-detail-gap {
  margin-top: 10px;
}

.rules-redesign .review-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rules-redesign .review-steps b {
  min-width: 24px;
}

.rules-redesign .rules-entry,
.rules-redesign .rules-track {
  background: var(--rules-bg);
}

.rules-redesign .entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.rules-redesign .entry-card {
  min-height: 265px;
  padding: 29px 27px;
  border-radius: 15px;
}

.rules-redesign .entry-card h3 {
  margin: 0 0 20px;
  color: var(--rules-cyan);
  font-size: 16px;
  font-weight: 700;
}

.rules-redesign .entry-card ul,
.rules-redesign .constraint-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rules-redesign .entry-card li,
.rules-redesign .constraint-list li {
  position: relative;
  margin-top: 12px;
  padding-left: 17px;
  color: #b8c2d5;
  font-size: 13px;
  line-height: 1.65;
}

.rules-redesign .entry-card li::before,
.rules-redesign .constraint-list li::before {
  content: "";
  position: absolute;
  top: .7em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rules-purple);
  box-shadow: 0 0 8px rgba(123, 101, 255, .45);
}

.rules-redesign .entry-card strong {
  color: #edf1fa;
}

.rules-redesign .rules-track {
  padding-top: 84px;
  padding-bottom: 126px;
}

.rules-redesign .track-panel {
  overflow: hidden;
  border: 1px solid rgba(104, 127, 176, .22);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(22, 33, 58, .98), rgba(14, 23, 42, .98));
  box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
}

.rules-redesign .track-panel-head {
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: 13px;
  padding: 0 28px;
  border-bottom: 1px solid rgba(104, 127, 176, .2);
  background: rgba(32, 45, 78, .62);
}

.rules-redesign .track-panel-head h3 {
  margin: 0;
  color: #f8f9fd;
  font-size: 18px;
}

.rules-redesign .track-panel-head span {
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #6e65ff, #8b5dff);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}

.rules-redesign .track-panel-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.rules-redesign .track-panel-body > section {
  min-width: 0;
  padding: 31px 29px 36px;
}

.rules-redesign .track-panel-body > section + section {
  border-left: 1px solid rgba(104, 127, 176, .16);
}

.rules-redesign .track-panel-body h4 {
  margin: 0 0 18px;
  color: var(--rules-cyan);
  font-size: 14px;
}

.rules-redesign .spec-list {
  margin: 0;
}

.rules-redesign .spec-list > div {
  display: grid;
  grid-template-columns: 42% 1fr;
  gap: 20px;
  padding: 11px 2px;
  border-bottom: 1px solid rgba(111, 134, 181, .13);
  font-size: 13px;
}

.rules-redesign .spec-list dt {
  color: #75839d;
}

.rules-redesign .spec-list dd {
  margin: 0;
  color: #d9dfeb;
  font-weight: 600;
}

.rules-redesign .rules-final-note {
  margin: 28px auto 0;
  color: #71809a;
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
}

@media (max-width: 980px) {
  .rules-redesign .about-grid,
  .rules-redesign .detail-grid-four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rules-redesign .entry-grid {
    grid-template-columns: 1fr;
  }

  .rules-redesign .entry-card {
    min-height: 0;
  }

  .rules-redesign .chapter-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .rules-redesign .rules-container,
  .rules-redesign .rules-container-narrow {
    width: min(100% - 32px, 1120px);
  }

  .rules-redesign .rules-section {
    padding: 76px 0;
  }

  .rules-redesign .rules-about {
    min-height: 0;
    padding-top: 104px;
  }

  .rules-redesign .rules-section-heading {
    margin-bottom: 36px;
  }

  .rules-redesign .rules-section-heading h1,
  .rules-redesign .rules-section-heading h2 {
    font-size: clamp(2rem, 10vw, 2.7rem);
  }

  .rules-redesign .about-grid,
  .rules-redesign .detail-grid-four,
  .rules-redesign .day-strip,
  .rules-redesign .review-steps,
  .rules-redesign .track-panel-body {
    grid-template-columns: 1fr;
  }

  .rules-redesign .info-card {
    min-height: 0;
  }

  .rules-redesign .chapter-timeline {
    min-width: 600px;
  }

  .rules-redesign .chapter-timeline + .chapter-tabs {
    margin-top: 8px;
  }

  .rules-redesign .rules-chapter .rules-container {
    overflow: hidden;
  }

  .rules-redesign .chapter-timeline {
    transform: translateX(calc((100vw - 632px) / 2));
  }

  .rules-redesign .chapter-tabs {
    display: flex;
    margin-right: -16px;
    padding-right: 16px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .rules-redesign .chapter-tabs::-webkit-scrollbar {
    display: none;
  }

  .rules-redesign .chapter-tabs a {
    flex: 0 0 175px;
  }

  .rules-redesign .track-panel-body > section + section {
    border-top: 1px solid rgba(104, 127, 176, .16);
    border-left: 0;
  }
}

@media (max-width: 430px) {
  .rules-redesign .rules-container,
  .rules-redesign .rules-container-narrow {
    width: min(100% - 24px, 1120px);
  }

  .rules-redesign .info-card,
  .rules-redesign .entry-card {
    padding: 23px 21px;
  }

  .rules-redesign .phase-title h3 {
    font-size: 16px;
  }

  .rules-redesign .track-panel-head,
  .rules-redesign .track-panel-body > section {
    padding-right: 21px;
    padding-left: 21px;
  }

  .rules-redesign .spec-list > div {
    grid-template-columns: 38% 1fr;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rules-redesign .info-card,
  .rules-redesign .chapter-tabs a {
    transition: none;
  }
}