.page-contact {
  --ct-gap: 22px;
}

/* ---------- 面包屑 ---------- */
.page-contact .kx-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--kx-mute);
  margin-bottom: 28px;
}

.page-contact .kx-breadcrumb a {
  color: var(--kx-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--kx-ease), border-color 180ms var(--kx-ease);
}

.page-contact .kx-breadcrumb a:hover {
  color: var(--kx-cyan);
  border-bottom-color: var(--kx-cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: 34px;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-hero__title {
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--kx-ink);
  margin: 14px 0 0;
}

.page-contact .ct-hero__intro {
  margin: 18px 0 0;
  max-width: 62ch;
  font-family: var(--kx-font-body);
  font-size: 17px;
  line-height: 1.78;
  color: var(--kx-mute);
}

.page-contact .ct-hero__panel {
  position: relative;
  border: 1px solid var(--kx-line);
  background: var(--kx-deep);
  padding: 24px 22px 26px;
}

.page-contact .ct-hero__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--kx-cyan), var(--kx-violet));
}

.page-contact .ct-hero__panel-title {
  margin: 0 0 20px;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--kx-mute);
}

.page-contact .ct-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .ct-metrics li {
  display: grid;
  grid-template-columns: max-content max-content;
  column-gap: 6px;
  row-gap: 4px;
}

.page-contact .ct-metrics__num {
  font-family: var(--kx-font-mono);
  font-weight: 600;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--kx-cyan);
}

.page-contact .ct-metrics__unit {
  font-family: var(--kx-font-mono);
  font-size: 12px;
  color: var(--kx-mute);
}

.page-contact .ct-metrics__label {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.65;
  color: var(--kx-mute);
}

/* ---------- 章节头 ---------- */
.page-contact .kx-sec-head {
  max-width: 74ch;
}

.page-contact .kx-sec-desc {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--kx-mute);
}

/* ---------- 三条合作路径 ---------- */
.page-contact .ct-tracks {
  display: grid;
  gap: var(--ct-gap);
  margin-top: 38px;
}

.page-contact .ct-track {
  position: relative;
  border: 1px solid var(--kx-line);
  background: linear-gradient(180deg, rgba(18, 32, 64, 0.82), rgba(10, 20, 40, 0.55));
  padding: 32px 22px 34px;
  transition: transform 200ms var(--kx-ease), box-shadow 200ms var(--kx-ease);
}

.page-contact .ct-track::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--kx-cyan);
}

.page-contact .ct-track--data::after {
  background: var(--kx-orange);
}

.page-contact .ct-track--community::after {
  background: var(--kx-lime);
}

.page-contact .ct-track:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--kx-cyan), var(--kx-shadow);
}

.page-contact .ct-track__tag {
  margin: 0;
  font-family: var(--kx-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--kx-mute);
}

.page-contact .ct-track__title {
  margin: 12px 0 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--kx-ink);
}

.page-contact .ct-track__body {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--kx-mute);
}

.page-contact .ct-track__fit {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--kx-line-soft);
  font-size: 13px;
  line-height: 1.72;
  color: var(--kx-mute);
}

.page-contact .ct-track__fit strong {
  color: var(--kx-ink);
  font-weight: 600;
}

/* ---------- 图 ---------- */
.page-contact .kx-figure {
  margin: 38px 0 0;
}

.page-contact .kx-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--kx-line);
}

/* ---------- 四步流程 ---------- */
.page-contact .ct-flow {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

.page-contact .ct-step {
  position: relative;
  padding: 30px 0 0;
  border-top: 2px solid var(--kx-line);
}

.page-contact .ct-step__node {
  position: absolute;
  top: -8px;
  left: 0;
  width: 14px;
  height: 14px;
  border: 2px solid var(--kx-cyan);
  border-radius: 50%;
  background: var(--kx-void);
  transition: background 200ms var(--kx-ease);
}

.page-contact .ct-step:hover .ct-step__node,
.page-contact .ct-step:focus-within .ct-step__node {
  background: var(--kx-cyan);
}

.page-contact .ct-step__idx {
  margin: 0;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--kx-cyan);
}

.page-contact .ct-step__title {
  margin: 10px 0 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  color: var(--kx-ink);
}

.page-contact .ct-step__time {
  margin: 8px 0 0;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--kx-orange);
}

.page-contact .ct-step__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--kx-mute);
}

.page-contact .ct-step__more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--kx-line-soft);
}

.page-contact .ct-step__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--kx-mute);
  transition: color 180ms var(--kx-ease);
}

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

.page-contact .ct-step__more summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--kx-cyan);
}

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

.page-contact .ct-step__more summary:hover {
  color: var(--kx-cyan);
}

.page-contact .ct-step__more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--kx-mute);
}

.page-contact .ct-step__more li::marker {
  color: var(--kx-cyan);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-reach__grid {
  display: grid;
  gap: 16px;
  margin-top: 38px;
}

.page-contact .ct-reach__item {
  border: 1px solid var(--kx-line);
  background: var(--kx-deep);
  padding: 24px 22px 26px;
  transition: border-color 180ms var(--kx-ease), transform 180ms var(--kx-ease);
}

.page-contact .ct-reach__item:hover {
  border-color: var(--kx-cyan);
  transform: translateY(-1px);
}

.page-contact .ct-reach__k {
  margin: 0;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--kx-mute);
}

.page-contact .ct-reach__v {
  margin: 14px 0 0;
  font-family: var(--kx-font-mono);
  font-weight: 600;
  font-size: clamp(16px, 4.2vw, 23px);
  line-height: 1.42;
  letter-spacing: 0.01em;
  word-break: break-word;
  color: var(--kx-cyan);
}

.page-contact .ct-reach__item--phone .ct-reach__v {
  color: var(--kx-orange);
}

.page-contact .ct-reach__v--plain {
  color: var(--kx-ink);
  font-size: clamp(15px, 3.6vw, 19px);
  font-weight: 400;
}

.page-contact .ct-reach__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--kx-mute);
}

/* ---------- 合作偏好 ---------- */
.page-contact .ct-values__list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.page-contact .ct-values__list li {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 24px 0 24px 22px;
  border-top: 1px solid var(--kx-line);
}

.page-contact .ct-values__list li:last-child {
  border-bottom: 1px solid var(--kx-line);
}

.page-contact .ct-values__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 2px;
  height: 22px;
  background: var(--kx-cyan);
}

.page-contact .ct-values__k {
  margin: 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.45;
  color: var(--kx-ink);
}

.page-contact .ct-values__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--kx-mute);
}

/* ---------- 收束导流 ---------- */
.page-contact .ct-tail {
  margin: 34px 0 0;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--kx-mute);
}

.page-contact .ct-tail a {
  color: var(--kx-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--kx-line);
  transition: border-color 180ms var(--kx-ease);
}

.page-contact .ct-tail a:hover {
  border-bottom-color: var(--kx-cyan);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-values__list li {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    align-items: baseline;
    gap: 30px;
    padding: 26px 0 26px 24px;
  }

  .page-contact .ct-values__list li::before {
    top: 29px;
  }

  .page-contact .ct-reach__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-contact .ct-tracks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--kx-line);
    margin-top: 48px;
  }

  .page-contact .ct-track {
    border: 0;
    border-right: 1px solid var(--kx-line);
    padding: 36px 24px 38px;
  }

  .page-contact .ct-track:last-child {
    border-right: 0;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 54px;
  }

  .page-contact .ct-step {
    padding-right: 24px;
  }

  .page-contact .ct-step:last-child {
    padding-right: 0;
  }

  .page-contact .kx-figure {
    margin-top: 48px;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-metrics__num {
    font-size: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-track,
  .page-contact .ct-reach__item,
  .page-contact .ct-step__node,
  .page-contact .ct-tail a,
  .page-contact .kx-breadcrumb a,
  .page-contact .ct-step__more summary {
    transition: none;
  }

  .page-contact .ct-track:hover,
  .page-contact .ct-reach__item:hover {
    transform: none;
  }
}