.page-contact {
  --cc-gap: clamp(20px, 3vw, 34px);
  --cc-pad: clamp(20px, 2.6vw, 32px);
  padding-bottom: clamp(48px, 8vw, 112px);
}

/* 面包屑 */
.page-contact .cc-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

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

.page-contact .cc-crumb a:hover {
  text-decoration: underline;
}

.page-contact .cc-crumb__current {
  color: var(--paper);
}

/* 首屏 */
.page-contact .cc-hero {
  padding: clamp(16px, 2.6vw, 32px) 0 clamp(28px, 4.6vw, 54px);
}

.page-contact .cc-hero__inner {
  display: grid;
  gap: var(--cc-gap);
  align-items: end;
}

.page-contact .cc-hero h1 {
  margin: 10px 0 0;
  max-width: 16em;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .cc-hero__lead {
  margin: 18px 0 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(239, 233, 220, 0.82);
}

.page-contact .cc-hero__facts {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .cc-hero__fact {
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-contact .cc-hero__fact dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .cc-hero__fact dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 600;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .cc-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-hard);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--rail);
}

.page-contact .cc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 分栏主体 */
.page-contact .cc-split {
  display: grid;
  gap: var(--cc-gap);
  padding-top: clamp(10px, 1.6vw, 22px);
}

/* 联系卡 */
.page-contact .cc-card {
  position: relative;
  padding: var(--cc-pad);
  border: 1px solid var(--line-hard);
  border-radius: var(--radius);
  background:
    linear-gradient(158deg, rgba(30, 58, 95, 0.92) 0%, rgba(11, 27, 51, 0.98) 68%),
    var(--deep);
  box-shadow:
    9px 11px 0 -3px rgba(201, 111, 74, 0.32),
    0 20px 40px rgba(0, 0, 0, 0.36);
}

.page-contact .cc-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 46px;
  border-top: 2px solid var(--clay);
  border-right: 2px solid var(--clay);
  pointer-events: none;
}

.page-contact .cc-card::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 0;
  bottom: 16px;
  width: 3px;
  background: repeating-linear-gradient(180deg, var(--clay) 0 6px, transparent 6px 14px);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .cc-card__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-contact .cc-card__title {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .cc-card__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(239, 233, 220, 0.78);
}

.page-contact .cc-field {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .cc-field__label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .cc-mail {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .cc-tel {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .cc-actions {
  margin-top: 12px;
}

.page-contact .cc-card__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

/* 右侧流程区 */
.page-contact .cc-flow {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  min-width: 0;
}

.page-contact .cc-block__lead {
  margin: 12px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(239, 233, 220, 0.78);
}

.page-contact .cc-topics {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .cc-topic {
  padding: 18px 18px 20px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--clay);
  border-radius: var(--radius);
  background: rgba(18, 41, 74, 0.66);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-contact .cc-topic--account {
  border-left-color: var(--lime);
}

.page-contact .cc-topic--data {
  border-left-color: var(--orange);
}

.page-contact .cc-topic:hover {
  transform: translateY(-4px);
  border-color: var(--line-hard);
}

.page-contact .cc-topic__title {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .cc-topic p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: rgba(239, 233, 220, 0.76);
}

.page-contact .cc-prompt {
  margin-top: 18px;
  padding: 20px;
  border: 1px dashed var(--line-hard);
  border-radius: var(--radius);
  background: rgba(11, 27, 51, 0.62);
}

.page-contact .cc-prompt__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .cc-prompt__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .cc-prompt__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(239, 233, 220, 0.82);
}

.page-contact .cc-prompt__num {
  font-size: 15px;
  color: var(--clay);
}

/* 处理节奏时间线 */
.page-contact .cc-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
  counter-reset: ccstep;
}

.page-contact .cc-step {
  position: relative;
  padding-left: 26px;
}

.page-contact .cc-step::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: -20px;
  width: 1px;
  background: var(--line-hard);
}

.page-contact .cc-step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  background: var(--deep);
}

.page-contact .cc-step:last-child::before {
  display: none;
}

.page-contact .cc-step__num {
  display: block;
  font-size: 13px;
  color: var(--orange);
}

.page-contact .cc-step__title {
  margin: 4px 0 0;
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .cc-step p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: rgba(239, 233, 220, 0.76);
}

.page-contact .cc-flow__media {
  margin: 26px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--rail);
}

.page-contact .cc-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 合作与内容建议 */
.page-contact .cc-partners {
  padding: clamp(46px, 7vw, 88px) 0 clamp(30px, 4vw, 50px);
}

.page-contact .cc-partners__grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .cc-partner {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(18, 41, 74, 0.55);
}

.page-contact .cc-partner__mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--clay);
}

.page-contact .cc-partner h3 {
  margin: 10px 0 0;
  font-family: var(--font-cond);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .cc-partner p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(239, 233, 220, 0.76);
}

/* 相关页面 */
.page-contact .cc-next {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(18, 41, 74, 0.4);
}

.page-contact .cc-next__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  padding: 16px 0;
}

.page-contact .cc-next__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* 登记信息 */
.page-contact .cc-register {
  padding: clamp(32px, 5vw, 56px) 0 0;
}

.page-contact .cc-register__title {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--stone);
}

.page-contact .cc-register__list {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .cc-register__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .cc-register__item dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-contact .cc-register__item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(239, 233, 220, 0.86);
  word-break: break-all;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-contact .cc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

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

  .page-contact .cc-register__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

/* 桌面端：左侧联系卡常驻，右侧内容右延 */
@media (min-width: 900px) {
  .page-contact .cc-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(30px, 4vw, 58px);
  }

  .page-contact .cc-hero__media {
    clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  }

  .page-contact .cc-hero__media img {
    aspect-ratio: 4 / 3;
  }

  .page-contact .cc-split {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: clamp(28px, 4vw, 58px);
    align-items: start;
  }

  .page-contact .cc-card {
    position: sticky;
    top: 28px;
  }

  .page-contact .cc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 34px;
  }

  .page-contact .cc-step {
    padding-left: 0;
    padding-top: 32px;
    padding-right: 20px;
  }

  .page-contact .cc-step::before {
    left: 0;
    right: 0;
    top: 9px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: var(--line-hard);
  }

  .page-contact .cc-step::after {
    left: 0;
    top: 4px;
  }

  .page-contact .cc-step:last-child::before {
    display: block;
    right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cc-topic {
    transition: none;
  }

  .page-contact .cc-topic:hover {
    transform: none;
  }
}