.page-contact {
  --contact-cell: #0e1626;
  --contact-line-soft: rgba(42, 53, 71, 0.72);
}

.page-contact .breadcrumb {
  padding-top: 24px;
  font-size: 13px;
}

.page-contact .contact-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 36px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-cover__title {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-contact .contact-cover__lead {
  max-width: 62ch;
  margin: 0;
  color: var(--paper-2);
}

.page-contact .contact-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-cover__index {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-contact .contact-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-contact .contact-index__list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--contact-line-soft);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-contact .contact-index__list a:hover,
.page-contact .contact-index__list a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-contact .contact-index__list .mono {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.page-contact .contact-index__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--paper-2);
}

.page-contact .section {
  padding-top: 52px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--line);
}

.page-contact .section:last-of-type {
  border-bottom: 0;
}

.page-contact .contact-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.page-contact .contact-head__note {
  margin: 0;
  max-width: 58ch;
  color: var(--paper-2);
  font-size: 15px;
}

.page-contact .contact-figure {
  margin: 0 0 32px;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 合作方向 */
.page-contact .dir-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .dir-cell {
  background: var(--contact-cell);
  padding: 24px 22px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .dir-cell__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .dir-cell__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-2);
}

.page-contact .dir-cell__list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .dir-cell__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--paper-2);
}

.page-contact .dir-cell__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* 直接联系 */
.page-contact .reach-table {
  border-top: 1px solid var(--line);
}

.page-contact .reach-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .reach-key {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--magenta);
}

.page-contact .reach-val {
  font-size: clamp(15px, 3.6vw, 20px);
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .reach-note {
  font-size: 13px;
  color: var(--paper-2);
}

.page-contact .reach-row .copy-btn {
  justify-self: start;
}

.page-contact .reach-foot {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .reach-foot__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  color: var(--paper-2);
}

.page-contact .reach-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0;
  font-size: 14px;
}

.page-contact .reach-foot__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
  padding-bottom: 2px;
}

.page-contact .reach-foot__links a:hover,
.page-contact .reach-foot__links a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 问题反馈 */
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-contact .feedback-folds {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .feedback-folds .fold {
  background: var(--contact-cell);
  padding: 0 20px;
  border-radius: 0;
}

.page-contact .feedback-folds .fold summary {
  padding: 18px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .feedback-folds .fold__body {
  padding-bottom: 18px;
  color: var(--paper-2);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .feedback-note {
  align-self: start;
  background: var(--ink-700);
  border-left: 2px solid var(--amber);
  padding: 22px 22px 24px;
}

.page-contact .feedback-note__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

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

.page-contact .feedback-note__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .feedback-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

.page-contact .feedback-note__hint {
  margin: 18px 0 0;
  font-size: 13.5px;
  color: var(--paper-2);
}

.page-contact .feedback-note__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
}

/* 合作流程 */
.page-contact .flow-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .flow-item {
  background: var(--ink-800);
  padding: 22px 20px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .flow-item__num {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .flow-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .flow-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-2);
}

/* 运营中心 */
.page-contact .center-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-contact .center-copy__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-2);
  max-width: 60ch;
}

.page-contact .center-copy__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
}

.page-contact .center-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .center-stats .stat {
  background: var(--contact-cell);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .center-stats .stat__value {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--cyan);
}

.page-contact .center-stats .stat__label {
  font-size: 12.5px;
  color: var(--paper-2);
}

.page-contact .center-figure {
  margin: 0;
}

/* 结尾 */
.page-contact .contact-closing {
  padding-bottom: 72px;
}

.page-contact .closing-box {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.09), rgba(240, 36, 140, 0.06) 55%, transparent 100%);
  padding: 32px 24px 34px;
}

.page-contact .closing-box__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--magenta);
}

.page-contact .closing-box__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 5vw, 40px);
  line-height: 1.12;
  color: var(--paper);
}

.page-contact .closing-box__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-2);
}

.page-contact .closing-box__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 720px) {
  .page-contact .reach-row {
    grid-template-columns: 120px minmax(0, 1fr) auto;
    gap: 20px;
    padding: 24px 0;
  }

  .page-contact .reach-row .copy-btn {
    justify-self: end;
  }

  .page-contact .dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .dir-cell--wide {
    grid-column: span 2;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-contact .contact-cover {
    grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.85fr);
    gap: 56px;
    padding-top: 58px;
    padding-bottom: 72px;
  }

  .page-contact .contact-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: end;
    margin-bottom: 40px;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.8fr);
    gap: 32px;
  }

  .page-contact .center-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 44px;
  }

  .page-contact .center-figure {
    margin-top: 8px;
  }

  .page-contact .closing-box {
    padding: 46px 44px 48px;
  }
}

@media (min-width: 1180px) {
  .page-contact .dir-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .dir-cell {
    grid-column: span 2;
  }

  .page-contact .dir-cell--wide {
    grid-column: span 3;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1420px) {
  .page-contact .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }
}