.page-contact {
  --contact-line: linear-gradient(180deg, rgba(221, 228, 236, 0) 0%, var(--mist) 14%, var(--blue) 50%, var(--mist) 86%, rgba(221, 228, 236, 0) 100%);
  --contact-card-bg: #FFFFFF;
  background-color: var(--snow);
  color: var(--ink);
}

.page-contact .contact-crumb {
  padding-top: clamp(14px, 3vw, 26px);
}

.page-contact .contact-crumb__now {
  color: var(--stone);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
  align-items: center;
}

.page-contact .contact-hero__index {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 7.2vw, 64px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__accent {
  color: var(--red);
}

.page-contact .contact-hero__lede {
  max-width: 34em;
  margin: 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(160deg, #EDF2F8, var(--mist) 60%, #D8E4F2);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .media__caption {
  padding: 10px 16px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }
}

/* ---------- 分隔带与区块节奏 ---------- */
.page-contact .contact-ribbon {
  height: 6px;
  border-radius: 999px;
  margin: 0 0 clamp(26px, 5vw, 48px);
}

.page-contact .contact-head {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-contact .contact-head .section-head__desc {
  max-width: 38em;
}

/* ---------- 左右对峙：渠道 + 响应 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: clamp(24px, 4vw, 34px);
}

.page-contact .contact-split__line {
  display: none;
}

@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 7fr) 1px minmax(0, 5fr);
    gap: clamp(28px, 3.6vw, 48px);
    align-items: start;
  }

  .page-contact .contact-split__line {
    display: block;
    align-self: stretch;
    min-height: 260px;
    background: var(--contact-line);
    border-radius: 2px;
  }
}

.page-contact .chan-card {
  border: 1px solid var(--mist);
  border-radius: var(--radius-m);
  background: var(--contact-card-bg);
  padding: clamp(18px, 2.8vw, 26px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-contact .chan-card + .chan-card {
  margin-top: 14px;
}

.page-contact .chan-card:hover,
.page-contact .chan-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: var(--shadow-soft);
}

.page-contact .chan-card:focus-visible,
.page-contact .write-field:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.page-contact .chan-card--quiet {
  background: var(--snow);
}

.page-contact .chan-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-contact .chan-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.page-contact .chan-card__value {
  margin: 0 0 10px;
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--red);
  overflow-wrap: anywhere;
}

.page-contact .chan-card__value--mail {
  font-size: clamp(14px, 2.1vw, 18px);
}

.page-contact .chan-card__value--sm {
  font-size: clamp(14.5px, 1.9vw, 17px);
  font-weight: 700;
  color: var(--ink);
}

.page-contact .chan-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .chan-card__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--mist);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--blue);
  transition: color 0.2s ease;
}

.page-contact .chan-card:hover .chan-card__hint,
.page-contact .chan-card:focus-within .chan-card__hint {
  color: var(--blue-deep);
}

/* 响应时效 */
.page-contact .resp-card {
  border-radius: var(--radius-l);
  background: var(--ink);
  color: var(--snow);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .resp-card__title {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 700;
}

.page-contact .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .timeline__item {
  position: relative;
  padding-left: 24px;
  padding-bottom: 20px;
}

.page-contact .timeline__item:last-child {
  padding-bottom: 0;
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
}

.page-contact .timeline__item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  bottom: 4px;
  width: 1px;
  background: rgba(247, 248, 245, 0.28);
}

.page-contact .timeline__item:last-child::after {
  display: none;
}

.page-contact .timeline__time {
  margin: 0 0 6px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-contact .timeline__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(247, 248, 245, 0.82);
}

.page-contact .resp-card__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(247, 248, 245, 0.18);
  font-size: 13px;
  line-height: 1.72;
  color: rgba(247, 248, 245, 0.7);
}

.page-contact .resp-links {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.page-contact .resp-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-s);
  background: var(--contact-card-bg);
  color: var(--blue);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .resp-link:hover,
.page-contact .resp-link:focus-visible {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-contact .resp-link__arrow {
  color: var(--stone);
}

/* ---------- 赛事合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .coop-sub {
  margin: 0 0 12px;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
}

.page-contact .coop-list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--red);
}

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

.page-contact .coop-list--num {
  counter-reset: coop;
}

.page-contact .coop-list--num li {
  padding-left: 32px;
}

.page-contact .coop-list--num li::before {
  counter-increment: coop;
  content: counter(coop, decimal-leading-zero);
  top: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--blue);
  padding-top: 0.25em;
}

.page-contact .coop-note {
  margin: 0;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(229, 163, 27, 0.09);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .coop-media {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(150deg, #E9F0F8, var(--mist));
  box-shadow: var(--shadow-soft);
}

.page-contact .coop-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 内容纠错 ---------- */
.page-contact .fix-steps {
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .fix-step {
  border-top: 3px solid var(--red);
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  background: var(--contact-card-bg);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.page-contact .fix-step__index {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-contact .fix-step__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
}

.page-contact .fix-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--stone);
}

.page-contact .fix-step .fix-step__index {
  color: var(--blue);
}

.page-contact .fix-detail {
  padding: 16px 20px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-m);
  background: var(--contact-card-bg);
}

.page-contact .fix-detail summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
}

.page-contact .fix-detail .disclosure__body {
  padding-top: 12px;
}

.page-contact .fix-detail p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .fix-detail p:last-child {
  margin-bottom: 0;
}

@media (min-width: 780px) {
  .page-contact .fix-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 留言区 ---------- */
.page-contact .write-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-contact .write-fields {
  display: grid;
  gap: 12px;
}

.page-contact .write-field {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--mist);
  border-radius: var(--radius-m);
  background: var(--contact-card-bg);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .write-field:focus-visible {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29, 95, 208, 0.16);
}

.page-contact .write-field__no {
  margin: 3px 0 0;
  font-size: 12.5px;
  color: var(--stone);
}

.page-contact .write-field__label {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .write-field__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--stone);
}

.page-contact .write-side__card {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-l);
}

.page-contact .write-side__card h3 {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 700;
}

.page-contact .write-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .write-flow li {
  font-size: 14px;
  line-height: 1.76;
  color: rgba(247, 248, 245, 0.82);
}

.page-contact .write-flow span.mono {
  display: block;
  margin-bottom: 4px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-contact .write-side__note {
  margin: 18px 0 0;
  font-size: 12.8px;
  line-height: 1.7;
  color: rgba(247, 248, 245, 0.68);
}

.page-contact .write-side__note a {
  color: var(--snow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .write-side__mail {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
  overflow-wrap: anywhere;
}

.page-contact .write-side__mail .mono {
  color: var(--ink);
}

@media (min-width: 960px) {
  .page-contact .write-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 底部横幅 ---------- */
.page-contact .contact-cta {
  margin-top: clamp(24px, 5vw, 48px);
  background: var(--blue-deep);
  color: var(--snow);
}

.page-contact .contact-cta__ribbon {
  height: 6px;
}

.page-contact .contact-cta__inner {
  padding-top: clamp(34px, 6vw, 64px);
  padding-bottom: clamp(38px, 6vw, 68px);
}

.page-contact .contact-cta__index {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .contact-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .contact-cta__text {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 248, 245, 0.82);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-cta__ghost {
  color: var(--snow);
  border-color: rgba(247, 248, 245, 0.5);
}

.page-contact .contact-cta__ghost:hover {
  border-color: var(--snow);
  color: var(--snow);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-card,
  .page-contact .resp-link,
  .page-contact .chan-card__hint,
  .page-contact .write-field {
    transition: none;
  }

  .page-contact .chan-card:hover,
  .page-contact .resp-link:hover {
    transform: none;
  }
}