.page-contact {
  --ct-cut: 14px;
  --ct-gap: clamp(18px, 3vw, 32px);
  --ct-pad: clamp(18px, 2.6vw, 28px);
}

/* ---------- Hero ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: var(--ct-gap);
  padding-block: clamp(20px, 3.4vw, 42px) clamp(34px, 5vw, 64px);
  border-bottom: 1px solid var(--ky-line);
}

.page-contact .ct-hero__title {
  margin: 10px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ky-text);
}

.page-contact .ct-hero__mark {
  display: inline-block;
  margin-top: 6px;
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.22), rgba(34, 211, 238, 0));
  border-left: 5px solid var(--ky-cyan);
  padding: 2px 14px 4px 12px;
  color: var(--ky-cyan);
}

.page-contact .ct-hero__text {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--ky-text-2);
}

.page-contact .ct-quick {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-quick__item {
  display: block;
  padding: 16px 20px;
  background: var(--ky-ink-700);
  border: 1px solid var(--ky-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ct-cut)), calc(100% - var(--ct-cut)) 100%, 0 100%);
  transition: border-color 0.2s var(--ky-ease), transform 0.2s var(--ky-ease);
}

.page-contact .ct-quick__item--mail {
  border-left: 4px solid var(--ky-cyan);
}

.page-contact .ct-quick__item--tel {
  border-left: 4px solid var(--ky-orange);
}

.page-contact .ct-quick__item:hover,
.page-contact .ct-quick__item:focus-visible {
  transform: translateX(3px);
}

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

.page-contact .ct-quick__item--tel:hover,
.page-contact .ct-quick__item--tel:focus-visible {
  border-color: var(--ky-orange);
}

.page-contact .ct-quick__key {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ky-text-2);
}

.page-contact .ct-quick__val {
  display: block;
  margin-top: 6px;
  font-family: var(--ky-font-mono);
  font-size: clamp(16px, 3.4vw, 24px);
  font-weight: 700;
  color: var(--ky-text);
  word-break: break-all;
  user-select: all;
}

.page-contact .ct-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  font-size: 13px;
  color: var(--ky-text-2);
}

.page-contact .ct-status__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ky-ok);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18);
  animation: ct-pulse 2.4s var(--ky-ease) infinite;
  flex: none;
}

@keyframes ct-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0.06); }
}

.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--ky-line);
  background: var(--ky-ink-800);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
  overflow: hidden;
}

.page-contact .ct-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .ct-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(11, 18, 32, 0.86);
  border-top: 1px solid var(--ky-line);
  font-size: 13px;
}

.page-contact .ct-hero__caption-txt {
  color: var(--ky-text-2);
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-channel__grid {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-card {
  position: relative;
  padding: var(--ct-pad);
  background: var(--ky-ink-700);
  border: 1px solid var(--ky-line);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
}

.page-contact .ct-card--cyan {
  border-top: 3px solid var(--ky-cyan);
}

.page-contact .ct-card--orange {
  border-top: 3px solid var(--ky-orange);
}

.page-contact .ct-card--plain {
  border-top: 3px solid var(--ky-line);
}

.page-contact .ct-card__title {
  margin: 14px 0 0;
  font-family: var(--ky-font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 28px);
  line-height: 1.15;
  color: var(--ky-text);
}

.page-contact .ct-card__value {
  margin: 10px 0 0;
  font-family: var(--ky-font-mono);
  font-size: clamp(15px, 2.6vw, 19px);
  font-weight: 700;
  color: var(--ky-cyan);
  word-break: break-all;
  user-select: all;
}

.page-contact .ct-card--orange .ct-card__value {
  color: var(--ky-orange);
}

.page-contact .ct-card--plain .ct-card__value {
  color: var(--ky-text);
}

.page-contact .ct-card__value--addr {
  font-family: var(--ky-font-body);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .ct-card__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ky-text-2);
}

.page-contact .ct-card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ky-line);
}

.page-contact .ct-card__list li {
  padding: 9px 0 9px 18px;
  position: relative;
  font-size: 13px;
  color: var(--ky-text-2);
  border-bottom: 1px solid rgba(39, 54, 79, 0.6);
}

.page-contact .ct-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 2px;
  background: var(--ky-cyan);
}

.page-contact .ct-card--orange .ct-card__list li::before {
  background: var(--ky-orange);
}

.page-contact .ct-card--plain .ct-card__list li::before {
  background: var(--ky-text-2);
}

.page-contact .ct-card__foot {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-text-2);
}

/* ---------- 注册与资源下载支持 ---------- */
.page-contact .ct-support__grid {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-support__item {
  display: flex;
  flex-direction: column;
}

.page-contact .ct-support__item .ky-panel__body {
  flex: 1;
}

.page-contact .ct-support__hint {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--ky-cyan-dim);
  font-size: 13px;
  color: var(--ky-text-2);
}

.page-contact .ct-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ky-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  transition: border-color 0.2s var(--ky-ease), color 0.2s var(--ky-ease);
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  color: var(--ky-text);
  border-bottom-color: var(--ky-orange);
}

/* ---------- 反馈流程 ---------- */
.page-contact .ct-flow__split {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .ct-steps__item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ky-line);
}

.page-contact .ct-steps__item:first-child {
  border-top: 1px solid var(--ky-line);
}

.page-contact .ct-steps__num {
  font-family: var(--ky-font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--ky-cyan);
  line-height: 1.2;
}

.page-contact .ct-steps__title {
  margin: 0;
  font-family: var(--ky-font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--ky-text);
}

.page-contact .ct-steps__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ky-text-2);
}

.page-contact .ct-flow__figure {
  margin: 0;
  border: 1px solid var(--ky-line);
  background: var(--ky-ink-800);
  padding: 14px;
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, 0 100%);
}

.page-contact .ct-flow__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.page-contact .ct-flow__caption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-text-2);
  text-align: center;
}

/* ---------- 合作与内容建议 ---------- */
.page-contact .ct-subjects {
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-subjects__row {
  display: grid;
  gap: 10px;
  align-items: center;
  padding: 16px 18px;
  background: var(--ky-ink-800);
  border: 1px solid var(--ky-line);
  border-left: 4px solid var(--ky-cyan-dim);
  transition: border-left-color 0.2s var(--ky-ease), background 0.2s var(--ky-ease);
}

.page-contact .ct-subjects__row:hover {
  border-left-color: var(--ky-orange);
  background: var(--ky-ink-700);
}

.page-contact .ct-subjects__tag {
  justify-self: start;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ky-ink-900);
  background: var(--ky-cyan);
  font-weight: 700;
}

.page-contact .ct-subjects__code {
  font-family: var(--ky-font-mono);
  font-size: clamp(13px, 2.4vw, 16px);
  font-weight: 600;
  color: var(--ky-text);
  word-break: break-word;
}

.page-contact .ct-subjects__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-text-2);
}

/* ---------- 到达与联系说明 ---------- */
.page-contact .ct-guide__table {
  margin-top: clamp(20px, 3vw, 34px);
  border: 1px solid var(--ky-line);
  background: var(--ky-ink-800);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
  overflow: hidden;
}

.page-contact .ct-guide__head {
  display: none;
}

.page-contact .ct-guide__row {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ky-line);
  font-size: 14px;
  color: var(--ky-text);
}

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

.page-contact .ct-guide__row > span:last-child {
  color: var(--ky-text-2);
  font-size: 13px;
}

.page-contact .ct-note {
  margin-top: var(--ct-gap);
  padding: var(--ct-pad);
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.07), rgba(255, 138, 61, 0.05));
  border: 1px solid var(--ky-line);
  border-left: 4px solid var(--ky-cyan);
}

.page-contact .ct-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ky-text-2);
}

.page-contact .ct-note__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-quick {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-subjects__row {
    grid-template-columns: auto 1fr;
    gap: 8px 18px;
  }

  .page-contact .ct-subjects__tag {
    grid-row: span 2;
    align-self: start;
    justify-self: start;
  }

  .page-contact .ct-guide__head,
  .page-contact .ct-guide__row {
    grid-template-columns: 1.25fr 0.75fr 0.7fr;
    align-items: center;
  }

  .page-contact .ct-guide__head {
    display: grid;
    gap: 8px;
    padding: 12px 18px;
    background: var(--ky-ink-900);
    border-bottom: 1px solid var(--ky-line);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ky-text-2);
  }
}

@media (min-width: 980px) {
  .page-contact .ct-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-contact .ct-channel__grid {
    grid-template-columns: 1.05fr 1.05fr 0.9fr;
  }

  .page-contact .ct-flow__split {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .ct-flow__figure {
    position: sticky;
    top: calc(var(--ky-bar-h) + 24px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-status__dot {
    animation: none;
  }

  .page-contact .ct-quick__item:hover,
  .page-contact .ct-quick__item:focus-visible {
    transform: none;
  }
}