.page-contact {
  --ct-gap: clamp(20px, 3vw, 44px);
  --ct-pad: clamp(20px, 2.8vw, 32px);
  --ct-line: 2px solid var(--ay-line);
  --ct-scroll: 140px;
  background: var(--ay-void);
  color: var(--ay-white);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  display: grid;
  gap: var(--ct-gap);
  padding-block: clamp(24px, 4vw, 56px) clamp(40px, 6vw, 88px);
}

.page-contact .contact-intro__copy > * + * {
  margin-top: clamp(14px, 1.8vw, 22px);
}

.page-contact .contact-intro__copy h1 {
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-weight: 900;
  max-width: 18ch;
}

.page-contact .contact-intro__lede {
  font-size: clamp(16px, 1.35vw, 17.5px);
  line-height: 1.78;
  color: var(--ay-mute);
  max-width: 62ch;
}

.page-contact .contact-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 6px;
}

.page-contact .contact-intro__media {
  margin: 0;
  border: var(--ct-line);
  box-shadow: var(--ay-shadow);
}

.page-contact .contact-intro__media .ay-media__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ay-mute);
  border-top: 1px solid var(--ay-line);
}

/* ---------- 双通道 ---------- */
.page-contact .contact-hub__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .contact-hub__col {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .contact-channel {
  background: var(--ay-panel);
  border: var(--ct-line);
  box-shadow: var(--ay-shadow);
  padding: var(--ct-pad);
  scroll-margin-top: var(--ct-scroll);
  transition: border-color 200ms ease, transform 200ms ease;
}

.page-contact .contact-channel:hover {
  border-color: var(--ay-cyan);
  transform: translate(-2px, -2px);
}

.page-contact .contact-channel__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.page-contact .contact-channel__no {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ay-mute);
}

.page-contact .contact-channel h3 {
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-contact .contact-channel__desc {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ay-mute);
  max-width: 66ch;
}

.page-contact .contact-channel__sub {
  margin-top: 22px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ay-cyan);
}

.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ay-line);
}

.page-contact .contact-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--ay-line);
  font-size: 15px;
  line-height: 1.6;
}

.page-contact .contact-list li:last-child {
  border-bottom: 0;
}

.page-contact .contact-list .ay-mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ay-cyan);
}

.page-contact .contact-channel__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--ay-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ay-mute);
}

/* ---------- 受理进度 ---------- */
.page-contact .contact-track {
  background:
    linear-gradient(180deg, rgba(47, 230, 214, 0.09), rgba(122, 92, 255, 0.07) 42%, rgba(5, 11, 26, 0) 82%),
    var(--ay-panel);
  border: var(--ct-line);
  box-shadow: var(--ay-shadow);
  padding: var(--ct-pad);
}

.page-contact .contact-track__title {
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.3;
}

.page-contact .contact-track__note {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ay-mute);
}

.page-contact .contact-track__steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .contact-track__steps li {
  position: relative;
  padding: 0 0 26px 26px;
  margin-left: 6px;
  border-left: 2px solid var(--ay-line);
}

.page-contact .contact-track__steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .contact-track__steps li::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 3px;
  width: 12px;
  height: 12px;
  background: var(--ay-void);
  border: 2px solid var(--ay-cyan);
  border-radius: 50%;
}

.page-contact .contact-track__steps li:last-child::before {
  border-color: var(--ay-amber);
}

.page-contact .contact-track__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ay-amber);
  margin-bottom: 6px;
}

.page-contact .contact-track__steps strong {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
}

.page-contact .contact-track__steps p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ay-mute);
}

/* ---------- 合作方式 ---------- */
.page-contact .contact-coop__grid {
  gap: var(--ct-gap);
}

.page-contact .contact-coop__card {
  padding: var(--ct-pad);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .contact-coop__tag {
  display: inline-flex;
  align-items: center;
  align-self: start;
  gap: 0.5em;
  padding: 4px 10px;
  border: 1px solid var(--ay-violet);
  color: var(--ay-violet);
  font-size: 11px;
  letter-spacing: 0.2em;
}

.page-contact .contact-coop__card h3 {
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 800;
  line-height: 1.25;
}

.page-contact .contact-coop__card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ay-mute);
}

.page-contact .contact-coop__key {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--ay-line);
  color: var(--ay-white) !important;
  font-size: 14px !important;
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-flow {
  list-style: none;
  margin: clamp(28px, 4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  border-top: var(--ct-line);
}

.page-contact .contact-flow li {
  padding: clamp(18px, 2.4vw, 26px) clamp(14px, 2vw, 20px);
  border-bottom: var(--ct-line);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .contact-flow__no {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ay-cyan);
}

.page-contact .contact-flow h4 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .contact-flow p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ay-mute);
}

/* ---------- 报修信息 ---------- */
.page-contact .contact-repair__grid {
  display: grid;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .contact-spec {
  margin: 0;
  border-top: var(--ct-line);
}

.page-contact .contact-spec__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: var(--ct-line);
}

.page-contact .contact-spec dt {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ay-cyan);
}

.page-contact .contact-spec dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ay-mute);
}

.page-contact .contact-timing {
  display: grid;
  gap: 22px;
  background: var(--ay-panel);
  border: var(--ct-line);
  box-shadow: var(--ay-shadow);
  padding: var(--ct-pad);
}

.page-contact .contact-timing__item {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .contact-timing__num {
  font-size: clamp(32px, 5vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ay-amber);
}

.page-contact .contact-timing__item strong {
  font-size: 15.5px;
  font-weight: 700;
}

.page-contact .contact-timing__item p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ay-mute);
}

.page-contact .contact-timing__item--note {
  padding-top: 18px;
  border-top: 1px dashed var(--ay-line);
}

.page-contact .contact-timing__item--note p {
  font-size: 14px;
  color: var(--ay-mute);
}

/* ---------- 服务网络 ---------- */
.page-contact .contact-network__map {
  margin: 0 0 clamp(24px, 3.5vw, 40px);
  border: var(--ct-line);
  box-shadow: var(--ay-shadow);
}

.page-contact .contact-network__map .ay-media__caption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ay-mute);
  border-top: 1px solid var(--ay-line);
}

.page-contact .contact-network__cards {
  display: grid;
  gap: 18px;
}

.page-contact .contact-network__card {
  background: var(--ay-panel);
  border: var(--ct-line);
  padding: var(--ct-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .contact-network__num {
  font-size: clamp(30px, 4.2vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--ay-cyan);
}

.page-contact .contact-network__card h3 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .contact-network__card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ay-mute);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .contact-reach__card {
  padding: var(--ct-pad);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .contact-reach__card h3 {
  font-size: 18px;
  font-weight: 800;
}

.page-contact .contact-reach__value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ay-cyan);
  word-break: break-word;
}

.page-contact .contact-reach__card p:last-child {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ay-mute);
}

.page-contact .contact-reach__foot {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: 20px;
  border-top: 1px dashed var(--ay-line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ay-mute);
  max-width: 70ch;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-intro {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }

  .page-contact .contact-repair__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  }

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

  .page-contact .contact-spec__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-hub__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(280px, 0.58fr);
    align-items: start;
  }

  .page-contact .contact-track {
    position: sticky;
    top: 130px;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-contact .contact-flow li {
    border-bottom: 0;
    border-right: var(--ct-line);
  }

  .page-contact .contact-flow li:last-child {
    border-right: 0;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-network__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-contact .contact-intro__actions .ay-btn {
    flex: 1 1 auto;
    justify-content: center;
    text-align: center;
  }

  .page-contact .contact-channel__top {
    justify-content: flex-start;
  }

  .page-contact .contact-spec__row {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

  .page-contact .contact-channel:hover {
    transform: none;
  }
}