.page-contact {
  --ct-hair: rgba(11, 58, 122, 0.14);
  --ct-hair-lt: rgba(245, 248, 255, 0.16);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  position: relative;
  background: var(--sky);
  color: var(--cloud);
  padding: calc(var(--header-h) + clamp(36px, 5.4vw, 74px)) 0 clamp(44px, 6vw, 84px);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(112deg, rgba(0, 231, 193, 0.16) 0%, rgba(0, 231, 193, 0) 44%, rgba(25, 17, 70, 0.62) 100%);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(0, 231, 193, 0.3);
  padding: clamp(22px, 3.4vw, 54px);
}

.page-contact .ct-hero__inner::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, rgba(0, 231, 193, 0.6) 0 1px, transparent 1px 44px);
  pointer-events: none;
}

.page-contact .ct-hero__inner::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 7px;
  background-image: repeating-linear-gradient(180deg, rgba(245, 248, 255, 0.26) 0 1px, transparent 1px 44px);
  pointer-events: none;
}

.page-contact .ct-hero__eyebrow {
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-contact .ct-hero__title {
  margin: 0 0 clamp(16px, 1.8vw, 26px);
  font-weight: 200;
  font-size: clamp(36px, 6.6vw, 92px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--cloud);
}

.page-contact .ct-hero__lede {
  max-width: 60ch;
  color: rgba(245, 248, 255, 0.88);
  margin: 0;
}

.page-contact .ct-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  list-style: none;
  margin: clamp(26px, 3.4vw, 46px) 0 0;
  padding: clamp(18px, 2.2vw, 26px) 0 0;
  border-top: 1px solid var(--ct-hair-lt);
}

.page-contact .ct-chip {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-contact .ct-chip__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .ct-chip__v {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.2vw, 16px);
  color: var(--cloud);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 231, 193, 0.42);
  padding-bottom: 2px;
  word-break: break-all;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .ct-chip__v--plain {
  border-bottom-color: transparent;
}

.page-contact .ct-chip a:hover,
.page-contact .ct-chip a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 通用小标题 ---------- */
.page-contact .ct-lead {
  max-width: 62ch;
  margin: 14px 0 clamp(22px, 2.8vw, 36px);
  color: var(--slate);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
}

/* ---------- 反馈类型 + 联系板 ---------- */
.page-contact .ct-types {
  background: var(--cloud);
  color: var(--ink);
  padding: clamp(46px, 5.8vw, 90px) 0;
}

.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3.4vw, 52px);
}

.page-contact .ct-types__list {
  display: grid;
  gap: 10px;
}

.page-contact .ct-type {
  background: #ffffff;
  border: 1px solid var(--ct-hair);
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-contact .ct-type[open] {
  border-color: var(--orange);
  box-shadow: 0 0 0 1px rgba(255, 122, 47, 0.55);
}

.page-contact .ct-type__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto 20px;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-type__head:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}

.page-contact .ct-type__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--slate);
  justify-self: end;
}

.page-contact .ct-type[open] .ct-type__head::after {
  content: "–";
  color: var(--orange);
}

.page-contact .ct-type__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .ct-type__name {
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 600;
  color: var(--ink);
}

.page-contact .ct-type[open] .ct-type__name {
  color: var(--wine);
}

.page-contact .ct-type__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
  white-space: nowrap;
}

.page-contact .ct-type__body {
  padding: 18px 20px 22px;
  border-top: 1px solid var(--mist);
}

.page-contact .ct-type__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .ct-type__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-type__body a {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-type__needs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
}

.page-contact .ct-type__needs li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--slate);
  background: rgba(220, 230, 247, 0.45);
  border: 1px solid var(--mist);
  padding: 5px 10px;
}

/* 联系板 */
.page-contact .ct-board {
  position: relative;
  background: var(--indigo);
  color: var(--cloud);
  border: 1px solid rgba(0, 231, 193, 0.24);
  overflow: hidden;
}

.page-contact .ct-board__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  pointer-events: none;
}

.page-contact .ct-board__body {
  position: relative;
  z-index: 1;
  padding: clamp(22px, 2.6vw, 34px);
}

.page-contact .ct-board__eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .ct-board__title {
  margin: 0 0 6px;
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--cloud);
}

.page-contact .ct-board__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .ct-board__item {
  padding: 16px 0;
  border-top: 1px solid var(--ct-hair-lt);
}

.page-contact .ct-board__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .ct-board__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.25vw, 16px);
  line-height: 1.5;
  color: var(--cloud);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .ct-board__value--text {
  font-size: 14px;
  line-height: 1.7;
}

.page-contact a.ct-board__value {
  border-bottom: 1px solid rgba(0, 231, 193, 0.5);
  display: inline-block;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact a.ct-board__value:hover,
.page-contact a.ct-board__value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .ct-board__note {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 248, 255, 0.68);
}

/* 24 小时刻度条 */
.page-contact .ct-clock {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--ct-hair-lt);
}

.page-contact .ct-clock__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(245, 248, 255, 0.75);
}

.page-contact .ct-clock__bar {
  position: relative;
  height: 26px;
  background: rgba(245, 248, 255, 0.07);
  border: 1px solid rgba(245, 248, 255, 0.2);
  overflow: hidden;
}

.page-contact .ct-clock__on {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(0, 231, 193, 0.9), var(--cyan));
}

.page-contact .ct-clock__ticks {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(11, 18, 32, 0.55) 0 1px, transparent 1px);
  background-size: calc(100% / 24) 100%;
  background-repeat: repeat-x;
}

.page-contact .ct-clock__axis {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(245, 248, 255, 0.58);
}

.page-contact .ct-clock__caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 248, 255, 0.68);
}

/* ---------- 纠错流程 ---------- */
.page-contact .ct-flow {
  background: var(--teal);
  color: var(--cloud);
  padding: clamp(46px, 5.8vw, 90px) 0;
}

.page-contact .ct-flow .index-tag {
  color: var(--cyan);
}

.page-contact .ct-flow .section__title {
  color: var(--cloud);
}

.page-contact .ct-flow .ct-lead {
  color: rgba(245, 248, 255, 0.78);
}

.page-contact .ct-flow__media {
  position: relative;
  margin: clamp(24px, 3vw, 42px) 0 clamp(30px, 3.6vw, 52px);
  border: 1px solid rgba(0, 231, 193, 0.28);
  overflow: hidden;
}

.page-contact .ct-flow__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
}

.page-contact .ct-flow__media .media__caption {
  color: rgba(245, 248, 255, 0.7);
}

.page-contact .ct-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
}

.page-contact .ct-step {
  border-top: 1px solid rgba(0, 231, 193, 0.42);
  padding-top: 18px;
}

.page-contact .ct-step__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .ct-step__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 1.9vw, 25px);
  font-weight: 500;
  color: var(--cloud);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 248, 255, 0.8);
}

/* ---------- 回复时间 ---------- */
.page-contact .ct-reply {
  background: var(--cloud);
  color: var(--ink);
  padding: clamp(46px, 5.8vw, 90px) 0;
}

.page-contact .ct-reply__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3.4vw, 54px);
}

.page-contact .ct-reply__note {
  margin: 0;
  max-width: 58ch;
  padding-left: 16px;
  border-left: 2px solid var(--orange);
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .ct-reply__stats .stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-reply__stats .stat {
  display: grid;
  grid-template-columns: minmax(72px, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-reply__stats .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--sky);
}

.page-contact .ct-reply__stats .stat__label {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 合作与建议 ---------- */
.page-contact .ct-collab {
  background: var(--indigo);
  color: var(--cloud);
  padding: clamp(46px, 5.8vw, 90px) 0;
  position: relative;
  overflow: hidden;
}

.page-contact .ct-collab::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46%;
  height: 160%;
  background: linear-gradient(180deg, rgba(107, 21, 51, 0.55), rgba(107, 21, 51, 0));
  transform: rotate(14deg);
  pointer-events: none;
}

.page-contact .ct-collab__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.2vw, 52px);
}

.page-contact .ct-collab__intro .index-tag {
  color: var(--cyan);
}

.page-contact .ct-collab__intro .section__title {
  color: var(--cloud);
  margin: 10px 0 14px;
}

.page-contact .ct-collab__intro p {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 248, 255, 0.74);
}

.page-contact .ct-collab__list {
  border-top: 1px solid var(--ct-hair-lt);
}

.page-contact .ct-collab__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--ct-hair-lt);
}

.page-contact .ct-collab__key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .ct-collab__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 248, 255, 0.84);
}

/* ---------- 结尾行动条 ---------- */
.page-contact .ct-cta {
  background: var(--cloud);
  color: var(--ink);
  padding: clamp(34px, 4.2vw, 60px) 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
}

.page-contact .ct-cta__text {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 500;
  color: var(--ink);
}

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

.page-contact .ct-cta__acts .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-reply__stats .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-reply__stats .stat {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 20px 18px;
    border-right: 1px solid var(--ct-hair);
  }

  .page-contact .ct-reply__stats .stat:last-child {
    border-right: none;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

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

  .page-contact .ct-reply__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .ct-reply__stats .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: none;
  }

  .page-contact .ct-collab__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-hero__chips {
    gap: 18px 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-type,
  .page-contact .ct-chip__v,
  .page-contact a.ct-board__value {
    transition: none;
  }
}