.page-contact {
  --ct-line: rgba(251, 253, 251, 0.18);
  --ct-soft: rgba(15, 58, 49, 0.76);
  display: block;
}

.page-contact .crumbs {
  padding-top: 26px;
}

/* ---------- 首屏左右分栏 ---------- */
.page-contact .ct-open {
  padding-top: 20px;
}

.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

@media (min-width: 980px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
  }
}

/* ---------- 左侧深墨绿联系面板 ---------- */
.page-contact .ct-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 30px 22px 22px;
  background: var(--ink);
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

@media (min-width: 640px) {
  .page-contact .ct-card {
    padding: 40px 38px 28px;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-card {
    position: sticky;
    top: 108px;
  }
}

.page-contact .ct-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-card__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.24;
}

.page-contact .ct-card__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, rgba(251, 253, 251, 0.04) 0 1px, transparent 1px 15px),
    linear-gradient(158deg, rgba(8, 33, 29, 0.5) 0%, rgba(8, 33, 29, 0.94) 66%);
}

.page-contact .ct-card__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .ct-card__title {
  margin: 0;
  font-size: clamp(27px, 5.2vw, 38px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 14em;
}

.page-contact .ct-card__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 253, 251, 0.86);
  max-width: 30em;
}

.page-contact .ct-ways {
  margin: 8px 0 0;
  display: grid;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-way {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-line);
}

@media (min-width: 480px) {
  .page-contact .ct-way {
    grid-template-columns: 90px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

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

.page-contact .ct-way__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .ct-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(251, 253, 251, 0.7);
  max-width: 32em;
}

.page-contact .ct-card__foot {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(251, 253, 251, 0.5);
}

/* ---------- 右侧反馈路径 ---------- */
.page-contact .ct-flow {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .ct-flow__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--black);
}

.page-contact .ct-flow__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
  max-width: 34em;
}

.page-contact .ct-flow__figure {
  margin: 6px 0 4px;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 20px 0 20px 54px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 0;
  width: 1px;
  height: 100%;
  background: repeating-linear-gradient(to bottom, var(--line) 0 5px, transparent 5px 11px);
}

.page-contact .ct-step:first-child::before {
  top: 34px;
}

.page-contact .ct-step:last-child::before {
  height: 34px;
}

.page-contact .ct-step__no {
  position: absolute;
  left: 0;
  top: 18px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-contact .ct-step__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--black);
}

.page-contact .ct-step__name::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  margin-right: 8px;
  vertical-align: 0.32em;
  background: var(--blue);
}

.page-contact .ct-step__need,
.page-contact .ct-step__to {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--black);
  max-width: 36em;
}

.page-contact .ct-step__to {
  margin-bottom: 0;
  color: var(--ct-soft);
}

.page-contact .ct-step__label {
  display: inline-block;
  margin-right: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 400;
  color: var(--ink);
  border-bottom: 1px solid var(--blue);
}

/* ---------- 回复节奏横带 ---------- */
.page-contact .ct-band {
  margin: 0;
}

.page-contact .ct-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .ct-band__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 44px;
  }
}

.page-contact .ct-band__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.32;
  font-weight: 900;
  color: var(--mist);
  max-width: 12em;
}

.page-contact .ct-band__lead {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(251, 253, 251, 0.78);
  max-width: 28em;
}

.page-contact .ct-rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

@media (min-width: 640px) {
  .page-contact .ct-rhythm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

.page-contact .ct-rhythm__item {
  padding: 14px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-rhythm__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue);
}

.page-contact .ct-rhythm__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(251, 253, 251, 0.84);
}

/* ---------- 渠道边界与引用 ---------- */
.page-contact .ct-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

@media (min-width: 900px) {
  .page-contact .ct-pair {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 64px;
  }
}

.page-contact .ct-block__title {
  margin: 10px 0 18px;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.34;
  font-weight: 900;
  color: var(--black);
  max-width: 18em;
}

.page-contact .ct-split-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

@media (min-width: 560px) {
  .page-contact .ct-split-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}

.page-contact .ct-split-list__head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 400;
  color: var(--green);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--green);
}

.page-contact .ct-split-list__head--no {
  color: var(--gray);
  border-bottom-color: var(--gray);
}

.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--black);
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-contact .ct-list--no li {
  color: var(--ct-soft);
}

.page-contact .ct-list--no li::before {
  background: var(--gray);
}

.page-contact .ct-block__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ct-soft);
  max-width: 40em;
}

.page-contact .ct-block__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--black);
  max-width: 34em;
}

.page-contact .ct-cite-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-cite-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

@media (min-width: 520px) {
  .page-contact .ct-cite-list li {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
  }
}

.page-contact .ct-cite-list__k {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-contact .ct-cite-list li p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--black);
  max-width: 34em;
}

/* ---------- 出口条 ---------- */
.page-contact .ct-exit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 26px 0 8px;
  border-top: 2px solid var(--ink);
}

@media (min-width: 900px) {
  .page-contact .ct-exit {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 40px;
  }
}

.page-contact .ct-exit__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--black);
  max-width: 44em;
}

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

@media (min-width: 900px) {
  .page-contact .ct-exit__acts {
    justify-content: flex-end;
  }
}

/* ---------- 交互与动效 ---------- */
.page-contact .ct-card.lift {
  transition: transform var(--step) var(--ease);
}

.page-contact .ct-card.lift:hover {
  transform: translateY(-4px);
}

.page-contact .ct-card.lift::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2px;
  height: 100%;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--step) var(--ease);
  z-index: 2;
}

.page-contact .ct-card.lift:hover::before,
.page-contact .ct-card.lift:focus-within::before {
  transform: scaleY(1);
}

.page-contact .ct-step:hover .ct-step__no {
  background: var(--orange);
  color: var(--black);
}

.page-contact .ct-step__no {
  transition: background-color var(--step) var(--ease), color var(--step) var(--ease);
}

.page-contact .ct-list li::before,
.page-contact .ct-cite-list li {
  transition: color var(--step) var(--ease);
}

.page-contact .ct-cite-list li:hover {
  color: var(--ink);
}

.page-contact a:focus-visible,
.page-contact .btn:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card.lift,
  .page-contact .ct-card.lift::before,
  .page-contact .ct-step__no {
    transition: none;
  }

  .page-contact .ct-card.lift:hover {
    transform: none;
  }

  .page-contact .ct-card.lift:hover::before,
  .page-contact .ct-card.lift:focus-within::before {
    transform: scaleY(1);
  }
}