/* ===== 页面作用域：联系赛场 / contact ===== */
.page-contact {
  --contact-pad: 22px;
}

.page-contact .breadcrumbs {
  padding-top: calc(var(--bar-h) + 20px);
}
.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-muted);
}
.page-contact .breadcrumbs__link {
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .breadcrumbs__sep {
  margin: 0 2px;
  color: var(--hairline-strong);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  align-items: center;
  row-gap: 36px;
}
.page-contact .contact-hero__title {
  margin: 10px 0 0;
}
.page-contact .contact-hero__lede {
  max-width: 50ch;
  margin-top: 20px;
  color: var(--ink-muted);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-contact .contact-hero__meta {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--lime);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ink-muted);
}
.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
}
.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(232, 255, 58, .12), transparent 46%);
  pointer-events: none;
}

/* ---------- 区块标题 ---------- */
.page-contact .contact-head {
  max-width: 62ch;
  margin-bottom: 40px;
}
.page-contact .contact-head .lede {
  margin-top: 16px;
  color: var(--ink-muted);
}

/* ---------- 通道 + 联系信息 双列 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
@media (min-width: 1024px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }
}

/* ---------- 通道卡（details） ---------- */
.page-contact .channel-col {
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-contact .channel {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 56, 42, .60), rgba(14, 42, 31, .88));
  box-shadow: var(--shadow-soft);
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}
.page-contact .channel:hover {
  border-color: var(--hairline-strong);
  transform: translateX(2px);
}
.page-contact .channel[open] {
  border-color: var(--hairline-strong);
  background: linear-gradient(180deg, rgba(22, 38, 61, .75), rgba(14, 42, 31, .92));
}
.page-contact .channel__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px var(--contact-pad);
  cursor: pointer;
  list-style: none;
}
.page-contact .channel__summary::-webkit-details-marker {
  display: none;
}
.page-contact .channel__summary:focus-visible {
  outline: 1px solid var(--lime);
  outline-offset: -2px;
}
.page-contact .channel__index {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--lime);
}
.page-contact .channel__name {
  display: block;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}
.page-contact .channel__hint {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-muted);
}
.page-contact .channel__sign {
  position: relative;
  width: 14px;
  height: 14px;
}
.page-contact .channel__sign::before,
.page-contact .channel__sign::after {
  content: "";
  position: absolute;
  background: var(--lime);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.page-contact .channel__sign::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}
.page-contact .channel__sign::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}
.page-contact .channel[open] .channel__sign::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-contact .channel__body {
  margin: 0 var(--contact-pad) 20px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-muted);
}
.page-contact .channel__body p {
  margin: 0;
}
.page-contact .channel__body .list-check {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .channel__body .list-check li {
  position: relative;
  padding-left: 17px;
  font-size: 13.5px;
  line-height: 1.75;
}
.page-contact .channel__body .list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 联系信息卡堆叠 ---------- */
.page-contact .info-col {
  position: relative;
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-contact .reach-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  border-radius: var(--radius);
  pointer-events: none;
  z-index: 0;
}
.page-contact .info-card {
  position: relative;
  z-index: 1;
  padding: 22px;
}
.page-contact .info-card__label {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--ink-muted);
}
.page-contact .info-card__value {
  margin: 12px 0 0;
  font-family: var(--font-num);
  font-size: clamp(19px, 4.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--lime);
  word-break: break-all;
}
.page-contact .info-card__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(16px, 3.6vw, 19px);
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--ink);
  word-break: normal;
}
.page-contact .info-card__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-muted);
}
.page-contact .info-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}
.page-contact .info-card--addr {
  border-color: var(--hairline-strong);
}
.page-contact .coord {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  color: var(--lime);
  opacity: .5;
  pointer-events: none;
}

/* ---------- 合作与授权 ---------- */
.page-contact .coop-grid {
  row-gap: 20px;
}
.page-contact .coop-card {
  display: block;
  padding: 26px 22px 24px;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.page-contact .coop-card:hover {
  border-color: var(--hairline-strong);
  transform: translateY(-2px);
}
.page-contact .coop-card__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--lime);
}
.page-contact .coop-card__title {
  margin: 10px 0 0;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}
.page-contact .coop-card__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-muted);
}
.page-contact .coop-card .list-check {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--hairline);
  list-style: none;
}
.page-contact .coop-card .list-check li {
  position: relative;
  padding-left: 17px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-contact .coop-card .list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75em;
  width: 9px;
  height: 1px;
  background: var(--heat-cool);
}
.page-contact .coop-foot {
  margin: 30px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-muted);
}
.page-contact .coop-foot a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color .2s var(--ease);
}
.page-contact .coop-foot a:hover,
.page-contact .coop-foot a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 尾部横向联系条 ---------- */
.page-contact .contact-strip__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 30px 24px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 170% at 6% 0%, rgba(232, 255, 58, .10), transparent 58%),
    linear-gradient(180deg, var(--blue-night), var(--green-deep));
  box-shadow: var(--shadow-soft);
}
.page-contact .contact-strip__title {
  margin: 0;
  font-size: clamp(21px, 2.8vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-contact .contact-strip__text {
  max-width: 58ch;
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-muted);
}
.page-contact .contact-strip__lines {
  display: grid;
  gap: 10px;
  font-size: 13.5px;
  color: var(--ink);
}
.page-contact .contact-strip__lines p {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin: 0;
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: -.01em;
  word-break: break-word;
}
.page-contact .contact-strip__lines p:nth-child(3) {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.75;
}
.page-contact .contact-strip__lines span {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--ink-muted);
}
.page-contact .contact-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
@media (min-width: 900px) {
  .page-contact .contact-strip__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) auto;
    gap: 34px;
    align-items: center;
    padding: 34px 30px;
  }
  .page-contact .contact-strip__actions {
    flex-direction: column;
    align-items: flex-start;
  }
}