.page-contact {
  --ct-edge: rgba(127, 168, 255, 0.26);
  --ct-edge-on: rgba(51, 240, 210, 0.85);
  padding-top: 22px;
}

.page-contact .ct-hero {
  padding: 4px 0 clamp(38px, 6vw, 72px);
}

.page-contact .ct-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3.6vw, 44px);
  border: 2px solid var(--ky-line-strong);
  background:
    linear-gradient(150deg, var(--ky-panel) 0%, var(--ky-black) 62%),
    var(--ky-black);
  box-shadow: var(--ky-shadow);
}

.page-contact .ct-hero__frame::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 8px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--ky-blue) 0 2px,
    transparent 2px 14px
  );
  opacity: 0.7;
}

.page-contact .ct-hero__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-contact .ct-hero__title {
  margin: 0;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 1.02;
  letter-spacing: 0.01em;
  font-weight: 800;
  color: var(--ky-white);
  max-width: 15em;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 2px solid var(--ct-edge);
  background: var(--ky-indigo);
  overflow: hidden;
}

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

.page-contact .ky-section {
  padding: clamp(30px, 5vw, 62px) 0;
}

.page-contact .ky-section__head {
  max-width: 62ch;
}

.page-contact .ct-title-s {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--ky-white);
  letter-spacing: 0.02em;
}

/* 通道卡与时间条 */
.page-contact .ct-channels__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-cards {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .ct-card {
  position: relative;
  padding: 20px 20px 18px;
  border: 2px solid var(--ct-edge);
  background: var(--ky-panel);
  box-shadow: var(--ky-shadow-hard);
  transition: border-color 180ms ease, transform 180ms ease;
}

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

.page-contact .ct-card__tag {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ky-cyan);
}

.page-contact .ct-card__title {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.1vw, 23px);
  line-height: 1.3;
  color: var(--ky-white);
}

.page-contact .ct-card__text {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ky-body);
}

.page-contact .ct-card__value {
  margin: 4px 0;
  font-size: 14px;
  color: var(--ky-amber);
  word-break: break-all;
}

.page-contact .ct-card__link {
  margin: 10px 0 6px;
}

.page-contact .ct-fold {
  margin-top: 12px;
  border-top: 1px solid var(--ct-edge);
  padding-top: 8px;
}

.page-contact .ct-fold summary {
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ky-blue-lt);
  list-style: none;
}

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

.page-contact .ct-fold summary::before {
  content: "＋";
  font-family: var(--ky-mono);
  color: var(--ky-cyan);
}

.page-contact .ct-fold[open] summary::before {
  content: "－";
}

.page-contact .ct-fold__list {
  margin: 6px 0 4px;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ky-mist);
}

/* 时间条 */
.page-contact .ct-timeline {
  padding: 20px;
  border: 2px solid var(--ct-edge);
  background: linear-gradient(180deg, var(--ky-indigo) 0%, var(--ky-panel) 100%);
  align-self: start;
}

.page-contact .ct-timeline__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 20px;
}

.page-contact .ct-track {
  margin-bottom: 22px;
}

.page-contact .ct-track__bar {
  position: relative;
  height: 12px;
  background: rgba(6, 8, 15, 0.72);
  border: 1px solid var(--ct-edge);
}

.page-contact .ct-track__on {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 62.5%;
  background: linear-gradient(90deg, var(--ky-blue) 0%, var(--ky-cyan) 92%);
  box-shadow: 0 0 14px rgba(51, 240, 210, 0.35);
}

.page-contact .ct-track__on::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--ky-white);
  animation: ct-pulse 2.2s linear infinite;
}

@keyframes ct-pulse {
  0% { transform: translateX(0); opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { transform: translateX(240px); opacity: 0; }
}

.page-contact .ct-track__scale {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-track__node {
  position: relative;
  font-size: 11px;
  color: var(--ky-mist);
}

.page-contact .ct-track__node::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 190px;
  padding: 6px 9px;
  background: var(--ky-black);
  border: 1px solid var(--ct-edge-on);
  color: var(--ky-cyan);
  font-size: 12px;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
  z-index: 3;
}

.page-contact .ct-track__node:hover::after,
.page-contact .ct-track__node:focus-within::after {
  opacity: 1;
}

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

.page-contact .ct-rhythm__item {
  display: grid;
  grid-template-columns: minmax(52px, auto) 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(127, 168, 255, 0.22);
}

.page-contact .ct-rhythm__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-rhythm__num {
  font-size: 15px;
  color: var(--ky-amber);
  letter-spacing: 0.04em;
}

.page-contact .ct-rhythm__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ky-body);
}

/* 咨询准备 */
.page-contact .ct-prepare__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-kv__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-kv__row dt {
  font-family: var(--ky-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ky-cyan);
}

.page-contact .ct-kv__row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ky-body);
}

.page-contact .ct-prepare__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .ct-note {
  padding: 20px;
}

.page-contact .ct-note__tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ky-amber);
}

.page-contact .ct-note__text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ky-white);
}

.page-contact .ct-prepare__figure {
  margin: 0;
  border: 2px solid var(--ct-edge);
  overflow: hidden;
}

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

/* 纠错与合作 */
.page-contact .ct-steps {
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .ct-steps__item {
  position: relative;
  padding: 22px 20px 20px;
  border: 2px solid var(--ct-edge);
  border-left: 4px solid var(--ky-blue);
  background: var(--ky-panel);
}

.page-contact .ct-steps__idx {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ky-black);
  background: var(--ky-cyan);
}

.page-contact .ct-steps__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2vw, 21px);
  color: var(--ky-white);
}

.page-contact .ct-steps__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ky-body);
}

.page-contact .ct-coop__foot {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: 1px dashed var(--ct-edge);
  background: var(--ky-amber-dim);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ky-body);
}

.page-contact .ct-coop__foot .ky-mono {
  color: var(--ky-amber);
  word-break: break-all;
}

/* 继续查找 */
.page-contact .ct-more__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-more__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-more__link {
  color: var(--ky-blue-lt);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-contact .ct-more__link:hover,
.page-contact .ct-more__link:focus-visible {
  color: var(--ky-cyan);
  border-color: var(--ky-cyan);
}

.page-contact .ct-more__list span {
  font-size: 14px;
  color: var(--ky-mist);
}

/* 通栏信息带 */
.page-contact .ct-band {
  margin-top: clamp(36px, 6vw, 68px);
  padding: clamp(26px, 4vw, 44px) 0;
  background: var(--ky-indigo);
  border-top: 2px solid var(--ky-blue);
  border-bottom: 2px solid var(--ky-blue);
}

.page-contact .ct-band__title {
  margin: 0 0 18px;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: 0.08em;
  color: var(--ky-white);
}

.page-contact .ct-band__grid {
  display: grid;
  gap: 12px;
}

.page-contact .ct-band__cell {
  padding: 12px 14px;
  background: rgba(6, 8, 15, 0.55);
  border-left: 3px solid var(--ky-cyan);
}

.page-contact .ct-band__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ky-mist);
}

.page-contact .ct-band__value {
  margin: 0;
  font-size: 14px;
  color: var(--ky-white);
  word-break: break-all;
}

.page-contact .ct-band__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ky-body);
}

@media (min-width: 720px) {
  .page-contact .ct-band__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-prepare__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-band__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-track__on::after {
    animation: none;
    opacity: 0;
  }

  .page-contact .ct-card {
    transition: none;
  }
}