.page-contact {
  --ct-line: var(--ink-700);
  background: var(--ink-900);
  color: var(--mist);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: clip;
}

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

.page-contact .eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--sans);
  font-stretch: 87.5%;
  letter-spacing: -0.01em;
}

/* 面包屑 */
.page-contact .ct-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--dim-dark);
}

.page-contact .breadcrumbs a {
  color: var(--dim-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

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

/* 首屏 */
.page-contact .ct-hero {
  padding-top: clamp(22px, 4vw, 42px);
}

.page-contact .ct-hero h1 {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: clamp(2.2rem, 7.4vw, 4.4rem);
  font-weight: 700;
  line-height: 1.04;
  max-width: 15ch;
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--dim-dark);
}

.page-contact .ct-hero__media {
  margin: clamp(28px, 4.5vw, 54px) 0 0;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 46px 16px 54px 20px;
}

/* 联络渠道：整页视觉中心 */
.page-contact .ct-channels {
  padding-block: clamp(52px, 8vw, 106px);
}

.page-contact .ct-channels h2 {
  margin: 0;
  font-size: clamp(1.55rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 20ch;
}

.page-contact .ct-channels__grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .ct-channel {
  padding: clamp(22px, 3.4vw, 42px);
  min-width: 0;
}

.page-contact .ct-channel--mail {
  background: var(--amber);
  color: var(--ink-900);
  border-radius: 44px 16px 52px 18px;
}

.page-contact .ct-channel--tel {
  background: var(--ink-800);
  border: 1px solid var(--ct-line);
  color: var(--mist);
  border-radius: 18px 46px 16px 40px;
}

.page-contact .ct-channel__kicker {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-contact .ct-channel--mail .ct-channel__kicker {
  color: rgba(11, 31, 23, 0.72);
}

.page-contact .ct-channel--tel .ct-channel__kicker {
  color: var(--dim-dark);
}

.page-contact .ct-channel__big {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.12;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel__big--mail {
  font-size: clamp(1.16rem, 3.4vw, 2rem);
}

.page-contact .ct-channel__big--tel {
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  color: var(--cyan);
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 40ch;
}

.page-contact .ct-channel--mail .ct-channel__note {
  color: rgba(11, 31, 23, 0.8);
}

.page-contact .ct-channel--tel .ct-channel__note {
  color: var(--dim-dark);
}

.page-contact .ct-copy {
  user-select: all;
  -webkit-user-select: all;
  cursor: text;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
  transition: text-decoration-color 180ms var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  text-decoration-color: var(--cyan);
}

.page-contact .ct-support {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--ct-line);
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-contact .ct-support__key {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim-dark);
}

.page-contact .ct-support__val {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .ct-support__note {
  color: var(--dim-dark);
}

/* 咨询准备 */
.page-contact .ct-prep {
  padding-block: clamp(52px, 8vw, 104px);
}

.page-contact .ct-prep__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
}

.page-contact .ct-prep h2 {
  margin: 0 0 clamp(14px, 2vw, 18px);
  font-size: clamp(1.55rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 18ch;
}

.page-contact .ct-prep__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--dim-dark);
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-prep__list > li {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-prep details > summary {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 20px);
  padding: clamp(15px, 2.2vw, 21px) 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-prep details > summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-prep__idx {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--amber);
}

.page-contact .ct-prep__title {
  font-size: clamp(1.02rem, 1.8vw, 1.18rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .ct-prep details > summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--dim-dark);
  transition: color 180ms var(--ease);
}

.page-contact .ct-prep details[open] > summary::after {
  content: "－";
  color: var(--amber);
}

.page-contact .ct-prep details p {
  margin: 0;
  padding: 0 0 clamp(16px, 2.4vw, 22px);
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--dim-dark);
  max-width: 46ch;
}

.page-contact .ct-sample {
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-800);
  border: 1px solid var(--ct-line);
  border-radius: 28px 12px 34px 14px;
}

.page-contact .ct-sample__label {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-sample__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-sample__list li {
  display: grid;
  gap: 2px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--mist);
  border-left: 1px solid var(--ct-line);
  padding-left: 14px;
}

.page-contact .ct-sample__list span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim-dark);
}

.page-contact .ct-prep__media {
  margin: 0;
  min-width: 0;
}

.page-contact .ct-prep__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 22px 48px 20px 44px;
}

.page-contact .ct-prep__media figcaption {
  margin-top: 12px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--dim-dark);
}

/* 回复时间 */
.page-contact .ct-reply {
  background: var(--ink-800);
  padding-block: clamp(44px, 7vw, 88px);
}

.page-contact .ct-reply__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 44px);
}

.page-contact .ct-reply h2 {
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-size: clamp(1.5rem, 3.8vw, 2.5rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 16ch;
}

.page-contact .ct-reply__clock {
  margin: 0;
  font-size: clamp(2.3rem, 8vw, 4.2rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .ct-reply__clock-note {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim-dark);
}

.page-contact .ct-reply__body p {
  margin: 0 0 16px;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--dim-dark);
}

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

.page-contact .ct-reply__body a,
.page-contact .ct-topic__body a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
}

.page-contact .ct-reply__body a:hover,
.page-contact .ct-reply__body a:focus-visible,
.page-contact .ct-topic__body a:hover,
.page-contact .ct-topic__body a:focus-visible {
  color: var(--cyan);
}

/* 常见咨询主题 */
.page-contact .ct-topics {
  padding-block: clamp(52px, 8vw, 104px);
}

.page-contact .ct-topics h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.12;
  max-width: 16ch;
}

.page-contact .ct-topics__grid {
  margin-top: clamp(24px, 3.6vw, 42px);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-topic {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-topic__idx {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clay);
  letter-spacing: 0.04em;
}

.page-contact .ct-topic h3 {
  margin: 0;
  font-size: clamp(1.04rem, 1.9vw, 1.24rem);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .ct-topic__body p {
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--dim-dark);
  max-width: 52ch;
}

.page-contact .ct-topic__need {
  margin: 0 !important;
  border-left: 2px solid var(--amber);
  padding-left: 12px;
  color: var(--mist) !important;
  font-size: 0.86rem !important;
}

/* 地址与往来 */
.page-contact .ct-visit {
  background: var(--mist);
  color: var(--ink-900);
  padding-block: clamp(40px, 7vw, 88px);
}

.page-contact .ct-visit .eyebrow {
  color: var(--clay);
}

.page-contact .ct-visit h2 {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1.14;
  max-width: 16ch;
}

.page-contact .ct-visit__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 52px);
}

.page-contact .ct-visit__grid > div > p {
  margin: 0;
  max-width: 42ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--dim-light);
}

.page-contact .ct-visit__list {
  margin: 0;
  border-top: 1px solid rgba(11, 31, 23, 0.16);
}

.page-contact .ct-visit__list > div {
  display: grid;
  gap: 4px;
  padding: clamp(14px, 2vw, 18px) 0;
  border-bottom: 1px solid rgba(11, 31, 23, 0.16);
}

.page-contact .ct-visit__list dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim-light);
}

.page-contact .ct-visit__list dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.page-contact .ct-visit__list dd.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* 相关页面 */
.page-contact .ct-links {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-contact .ct-links__label {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim-dark);
}

.page-contact .ct-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-links__list li {
  display: grid;
  gap: 4px;
  padding: clamp(14px, 2vw, 18px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-links__list a {
  justify-self: start;
  color: var(--mist);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.98rem;
  border-bottom: 1px solid var(--ct-line);
  padding-bottom: 2px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

.page-contact .ct-links__list span {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--dim-dark);
}

@media (min-width: 640px) {
  .page-contact .ct-sample__list li {
    grid-template-columns: 74px 1fr;
    align-items: baseline;
    gap: 14px;
  }

  .page-contact .ct-visit__list > div {
    grid-template-columns: 108px 1fr;
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .ct-support {
    grid-template-columns: auto auto 1fr;
    align-items: baseline;
    gap: 4px 20px;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-contact .ct-prep__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .ct-prep__media {
    margin-top: clamp(24px, 4vw, 56px);
  }

  .page-contact .ct-topic {
    grid-template-columns: 52px 1fr 1.35fr;
    align-items: start;
    gap: clamp(16px, 3vw, 40px);
  }

  .page-contact .ct-topic__body p {
    max-width: 48ch;
  }

  .page-contact .ct-reply__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-contact .ct-links__list li {
    grid-template-columns: 220px 1fr;
    align-items: baseline;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
  }
}