.page-contact {
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-contact .sx-crumb {
  padding-top: clamp(20px, 3vw, 34px);
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sx-mist);
}

.page-contact .sx-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .sx-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--sx-line);
}

.page-contact .sx-crumb a {
  color: var(--sx-mist);
  text-decoration: none;
}

.page-contact .sx-crumb a:hover,
.page-contact .sx-crumb a:focus-visible {
  color: var(--sx-orange);
}

.page-contact .sx-crumb [aria-current="page"] {
  color: var(--sx-silver);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(26px, 5vw, 62px) 0 clamp(22px, 3.4vw, 40px);
  max-width: 940px;
}

.page-contact .ct-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sx-orange);
}

.page-contact .ct-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 5.6vw, 66px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.015em;
  color: var(--sx-silver);
  max-width: 17ch;
}

.page-contact .ct-hero__lead {
  margin: 0 0 26px;
  max-width: 68ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: var(--sx-mist);
}

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

/* ---------- 横幅 ---------- */
.page-contact .ct-banner {
  margin: 0 0 clamp(38px, 6vw, 76px);
  border: 1px solid var(--sx-line);
  border-radius: var(--sx-radius);
  overflow: hidden;
  background: var(--sx-panel-deep);
}

.page-contact .ct-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1600 / 700;
}

/* ---------- 区块标题 ---------- */
.page-contact .ct-section + .ct-section {
  margin-top: clamp(44px, 7vw, 92px);
}

.page-contact .ct-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  padding-bottom: 16px;
  margin-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--sx-line);
}

.page-contact .ct-head__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--sx-silver);
}

.page-contact .ct-head__aside {
  margin: 0;
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sx-orange);
}

/* ---------- 三类合作方向 ---------- */
.page-contact .ct-tracks {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
  align-items: stretch;
}

.page-contact .ct-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--sx-line);
  border-radius: var(--sx-radius);
  background: linear-gradient(180deg, rgba(23, 26, 58, .82) 0%, rgba(11, 15, 40, .9) 100%);
  transition: border-color .26s var(--sx-ease), transform .26s var(--sx-ease);
}

.page-contact .ct-track:hover,
.page-contact .ct-track:focus-within {
  border-color: var(--sx-orange);
  transform: translateY(-3px);
}

.page-contact .ct-track--data:hover,
.page-contact .ct-track--data:focus-within {
  border-color: var(--sx-cyan);
}

.page-contact .ct-track--brand:hover,
.page-contact .ct-track--brand:focus-within {
  border-color: var(--sx-violet);
}

.page-contact .ct-track__title {
  margin: 0;
  font-size: clamp(19px, 2.1vw, 24px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--sx-silver);
}

.page-contact .ct-track__for {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sx-mist);
}

.page-contact .ct-track__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-track__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sx-silver);
}

.page-contact .ct-track__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--sx-orange);
}

.page-contact .ct-track--data .ct-track__list li::before {
  background: var(--sx-cyan);
}

.page-contact .ct-track--brand .ct-track__list li::before {
  background: var(--sx-violet);
}

.page-contact .ct-track__more {
  margin: 0;
  margin-top: auto;
  padding-top: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  border-top: 1px dashed var(--sx-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--sx-mist);
  transition: max-height .3s var(--sx-ease), opacity .3s var(--sx-ease), padding-top .3s var(--sx-ease);
}

.page-contact .ct-track:hover .ct-track__more,
.page-contact .ct-track:focus-within .ct-track__more {
  max-height: 140px;
  opacity: 1;
  padding-top: 12px;
}

@media (hover: none) {
  .page-contact .ct-track__more {
    max-height: none;
    opacity: 1;
    padding-top: 12px;
  }
}

/* ---------- 四步流程 ---------- */
.page-contact .ct-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  padding: 20px 0 22px;
  border-top: 1px solid var(--sx-line-soft);
}

.page-contact .ct-step__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--sx-font-num);
  font-size: clamp(34px, 4.6vw, 52px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--sx-cyan);
}

.page-contact .ct-step__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--sx-silver);
}

.page-contact .ct-step__time {
  margin: 0 0 10px;
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--sx-orange);
}

.page-contact .ct-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sx-mist);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .ct-contact {
  position: relative;
  border: 1px solid var(--sx-orange);
  border-radius: var(--sx-radius);
  overflow: hidden;
  background: linear-gradient(155deg, rgba(23, 26, 58, .96) 0%, rgba(7, 11, 30, .98) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 106, 43, .08);
}

.page-contact .ct-contact__texture {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: .2;
  pointer-events: none;
}

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

.page-contact .ct-contact__inner {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 3.6vw, 46px);
}

.page-contact .ct-contact__lead {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--sx-silver);
}

.page-contact .ct-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--sx-line-soft);
}

.page-contact .ct-channel:last-child {
  border-bottom: 1px solid var(--sx-line-soft);
}

.page-contact .ct-channel__label {
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sx-mist);
}

.page-contact .ct-channel__value {
  font-family: var(--sx-font-mono);
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.5;
  color: var(--sx-cyan);
  word-break: break-word;
  user-select: all;
  -webkit-user-select: all;
  cursor: text;
}

.page-contact .ct-channel__value--text {
  font-family: var(--sx-font-sans);
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--sx-silver);
}

.page-contact .ct-channel__hint {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sx-mist);
  opacity: .7;
}

/* ---------- 服务时间与优先级 ---------- */
.page-contact .ct-hours {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .ct-hours__block {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--sx-line);
  border-radius: var(--sx-radius);
  background: var(--sx-panel-deep);
}

.page-contact .ct-hours__block--priority {
  border-color: rgba(59, 232, 224, .4);
}

.page-contact .ct-hours__big {
  margin: 14px 0 10px;
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--sx-silver);
}

.page-contact .ct-hours__block--priority .ct-hours__big {
  color: var(--sx-cyan);
}

.page-contact .ct-hours__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--sx-mist);
}

/* ---------- 合作前准备 ---------- */
.page-contact .ct-prep {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .ct-prep__item {
  padding-top: 16px;
  border-top: 1px solid var(--sx-line);
}

.page-contact .ct-prep__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--sx-silver);
}

.page-contact .ct-prep__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--sx-mist);
}

/* ---------- 结尾入口 ---------- */
.page-contact .ct-more {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-contact .ct-more__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--sx-line);
  border-radius: var(--sx-radius);
  background: rgba(11, 15, 40, .6);
  text-decoration: none;
  color: inherit;
  transition: border-color .24s var(--sx-ease), background-color .24s var(--sx-ease), transform .24s var(--sx-ease);
}

.page-contact .ct-more__card:hover,
.page-contact .ct-more__card:focus-visible {
  border-color: var(--sx-orange);
  background: rgba(23, 26, 58, .8);
  transform: translateY(-3px);
}

.page-contact .ct-more__title {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--sx-silver);
}

.page-contact .ct-more__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--sx-mist);
}

.page-contact .ct-more__go {
  margin-top: 4px;
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sx-orange);
}

/* ---------- 星轨引导线 ---------- */
.page-contact .ct-orbit {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: clamp(46px, 7vw, 86px);
}

.page-contact .ct-orbit__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sx-orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .14);
}

.page-contact .ct-orbit__line {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--sx-orange) 0%, var(--sx-violet) 45%, var(--sx-cyan) 100%);
  opacity: .8;
}

.page-contact .ct-orbit__label {
  flex: none;
  font-family: var(--sx-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sx-mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(18px, 3vw, 34px);
  }

  .page-contact .ct-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-contact .ct-channel:last-child {
    border-bottom: none;
  }

  .page-contact .ct-channel:nth-last-child(2) {
    border-bottom: 1px solid var(--sx-line-soft);
  }

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

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

@media (min-width: 900px) {
  .page-contact .ct-tracks {
    grid-template-columns: 1.18fr 1fr .86fr;
    align-items: start;
  }

  .page-contact .ct-track--content {
    padding-bottom: clamp(26px, 3vw, 38px);
  }

  .page-contact .ct-hours {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (min-width: 1024px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(18px, 2.4vw, 30px);
  }

  .page-contact .ct-step {
    border-top: 1px solid var(--sx-line);
    padding: 22px 0 6px;
  }

  .page-contact .ct-step::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--sx-cyan) 0%, rgba(59, 232, 224, 0) 88%);
    opacity: .55;
  }

  .page-contact .ct-channels {
    grid-template-columns: 1.1fr 1fr 1.3fr;
  }

  .page-contact .ct-channel:last-child,
  .page-contact .ct-channel:nth-last-child(2) {
    border-bottom: 1px solid var(--sx-line-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-track,
  .page-contact .ct-more__card,
  .page-contact .ct-track__more {
    transition: none;
  }

  .page-contact .ct-track:hover,
  .page-contact .ct-track:focus-within,
  .page-contact .ct-more__card:hover,
  .page-contact .ct-more__card:focus-visible {
    transform: none;
  }
}
```