.page-contact {
  --card-bg: #FFFCF6;
  --card-pad: 20px;
  --band-line: rgba(215, 222, 229, 0.9);
}

.page-contact .breadcrumb {
  padding: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-600);
}

.page-contact .breadcrumb a {
  color: var(--slate-600);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cinnabar-600);
}

.page-contact .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 20px 0 44px;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-areas: "aside" "cards";
  gap: 30px;
}

.page-contact .contact-hero__aside {
  grid-area: aside;
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.2vw, 44px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  max-width: 42em;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.8;
}

/* 服务时段刻度 */
.page-contact .hours {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .hours__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}

.page-contact .hours__head-note {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gold-600);
}

.page-contact .hours__scale {
  position: relative;
  margin-top: 14px;
  height: 10px;
  border-radius: 1px;
  background:
    repeating-linear-gradient(to right, rgba(20, 17, 15, 0.14) 0 1px, transparent 1px 8.3333%),
    linear-gradient(to right,
      var(--slate-200) 0 37.5%,
      var(--gold-600) 37.5% 75%,
      var(--slate-200) 75% 100%);
  outline: none;
}

.page-contact .hours__scale::after {
  content: "赤金段：赛事数据组轮值回复";
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  padding: 6px 10px;
  background: var(--ink-900);
  color: var(--paper-50);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  border-radius: 2px;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .hours__scale:hover::after,
.page-contact .hours__scale:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .hours__scale:focus-visible {
  box-shadow: 0 0 0 2px var(--gold-600);
}

.page-contact .hours__mark {
  position: absolute;
  top: -4px;
  width: 1px;
  height: 18px;
  background: var(--ink-700);
  transform: translateX(-0.5px);
}

.page-contact .hours__labels {
  position: relative;
  height: 16px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-600);
}

.page-contact .hours__labels span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.page-contact .hours__labels .is-start {
  left: 0;
  transform: none;
}

.page-contact .hours__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-600);
}

.page-contact .contact-hero__figure {
  margin: 24px 0 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 2px;
  filter: saturate(0.85);
}

/* 联系卡 */
.page-contact .contact-hero__cards {
  grid-area: cards;
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-card {
  position: relative;
  padding: var(--card-pad);
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: var(--shadow-card);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--gold-600);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 12px;
  height: 14px;
  border: 1px solid var(--slate-200);
  border-radius: 1px;
  background:
    linear-gradient(to right, var(--slate-200) 0 3px, transparent 3px 100%),
    var(--paper-50);
  opacity: 0.9;
}

.page-contact .contact-card:hover::after {
  border-color: var(--gold-600);
}

.page-contact .contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--gold-600);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--paper-50);
}

.page-contact .contact-card__label {
  margin: 12px 0 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate-600);
}

.page-contact .contact-card__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 4.4vw, 20px);
  line-height: 1.35;
  color: var(--ink-900);
  word-break: break-word;
}

.page-contact .contact-card__value--mail {
  word-break: break-all;
}

.page-contact .contact-card__value--address {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
}

.page-contact .contact-card--address {
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 33px,
    rgba(76, 91, 107, 0.14) 33px 34px
  );
  background-position: 0 var(--card-pad);
}

.page-contact .contact-card__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-600);
}

/* ---------- 提问前准备 ---------- */
.page-contact .prep {
  padding: 50px 0;
}

.page-contact .prep__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-600);
}

.page-contact .prep__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-contact .prep__col {
  min-width: 0;
  padding-top: 16px;
  border-top: 2px solid var(--ink-900);
}

.page-contact .prep__col-title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .prep__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-contact .prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--gold-600);
  transform: rotate(45deg);
}

.page-contact .prep__list strong {
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .prep__figure {
  margin: 0;
  min-width: 0;
}

.page-contact .prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-contact .prep__figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--slate-600);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .coop {
  padding: 0 0 52px;
}

.page-contact .coop__band {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .coop__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .coop__item summary {
  display: grid;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 32px;
}

.page-contact .coop__item summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop__item summary::after {
  content: "+";
  position: absolute;
  top: 2px;
  right: 4px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold-600);
  transition: transform 180ms var(--ease);
}

.page-contact .coop__item[open] summary::after {
  content: "–";
}

.page-contact .coop__item summary:focus-visible {
  outline: 2px solid var(--gold-600);
  outline-offset: 4px;
}

.page-contact .coop__kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate-600);
}

.page-contact .coop__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--ink-900);
}

.page-contact .coop__body {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .coop__body a {
  color: var(--cinnabar-600);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .coop__body a:hover,
.page-contact .coop__body a:focus-visible {
  color: var(--ink-900);
}

/* ---------- 收到之后 ---------- */
.page-contact .follow {
  padding: 46px 0 50px;
  background: var(--ink-900);
  color: var(--paper-50);
}

.page-contact .follow__title {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.35;
  color: var(--paper-50);
}

.page-contact .eyebrow--light {
  color: var(--gold-600);
}

.page-contact .follow__steps {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-contact .follow__step {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid rgba(215, 222, 229, 0.28);
}

.page-contact .follow__step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--gold-600);
}

.page-contact .follow__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold-600);
}

.page-contact .follow__step-title {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--paper-50);
}

.page-contact .follow__step-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(248, 243, 233, 0.76);
}

/* ---------- 延伸入口 ---------- */
.page-contact .next {
  padding: 38px 0 54px;
  background: var(--paper-100);
  border-top: 1px solid var(--line);
}

.page-contact .next__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--ink-900);
}

.page-contact .next__links {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .next__links a {
  display: block;
  padding: 12px 14px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-700);
  text-decoration: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .next__links a:hover,
.page-contact .next__links a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold-600);
  color: var(--ink-900);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: 26px 0 52px;
  }

  .page-contact .contact-card {
    --card-pad: 22px;
  }

  .page-contact .prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-contact .prep__figure {
    grid-column: 1 / -1;
  }

  .page-contact .prep__figure img {
    aspect-ratio: 12 / 5;
  }

  .page-contact .coop__band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .page-contact .coop__item {
    padding: 22px 24px;
    border-bottom: none;
  }

  .page-contact .coop__item:first-child {
    padding-left: 0;
  }

  .page-contact .coop__item + .coop__item {
    border-left: 1px solid var(--line);
  }

  .page-contact .follow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-contact .next__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    grid-template-areas: "cards aside";
    column-gap: 52px;
    align-items: start;
  }

  .page-contact .contact-hero__cards {
    position: sticky;
    top: 28px;
  }

  .page-contact .prep {
    padding: 64px 0;
  }

  .page-contact .prep__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 36px;
    align-items: start;
    margin-top: 36px;
  }

  .page-contact .prep__figure {
    grid-column: auto;
    order: -1;
  }

  .page-contact .prep__figure img {
    aspect-ratio: 5 / 4;
  }

  .page-contact .follow {
    padding: 58px 0 62px;
  }

  .page-contact .next {
    padding: 44px 0 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .next__links a,
  .page-contact .hours__scale::after,
  .page-contact .coop__item summary::after {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within,
  .page-contact .next__links a:hover,
  .page-contact .next__links a:focus-visible {
    transform: none;
  }
}