.page-contact {
  --contact-card-w: 320px;
  --contact-hair: rgba(58, 65, 77, 0.55);
  display: block;
  background-color: var(--ink);
  color: var(--paper);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

/* 顶部窄幅图带 */
.page-contact .contact-band {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(280px, 36vw, 420px);
  overflow: hidden;
  background-color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-band__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 62%;
  filter: saturate(0.45) brightness(0.55);
}

.page-contact .contact-band__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(11, 14, 19, 0.72) 0%,
    rgba(11, 14, 19, 0.28) 46%,
    rgba(11, 14, 19, 0.96) 100%
  );
}

.page-contact .contact-band > .shell {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-top: clamp(84px, 12vw, 140px);
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-contact .contact-crumb a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-crumb a:hover {
  color: var(--paper);
  border-bottom-color: var(--fox);
}

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

.page-contact .contact-crumb [aria-current="page"] {
  color: var(--fox);
}

.page-contact .contact-title {
  margin: 0;
  max-width: 15em;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

/* 导语 */
.page-contact .contact-lede {
  padding: clamp(36px, 5vw, 64px) 0 clamp(28px, 4vw, 44px);
}

.page-contact .contact-lede p {
  margin: 0;
  max-width: 34em;
  padding-left: 20px;
  border-left: 2px solid var(--fox);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--fog);
}

/* 双栏 */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-contact .contact-body {
  min-width: 0;
}

/* 粘性联系卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background-color: var(--ink-2);
  background-image: linear-gradient(
    180deg,
    rgba(245, 242, 236, 0.09) 0%,
    rgba(245, 242, 236, 0.02) 100%
  );
}

@supports ((-webkit-backdrop-filter: blur(14px)) or (backdrop-filter: blur(14px))) {
  .page-contact .contact-card {
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }
}

.page-contact .contact-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.35) brightness(0.7);
  pointer-events: none;
}

.page-contact .contact-card__inner {
  position: relative;
  z-index: 1;
  padding: 26px 22px 24px;
}

.page-contact .contact-card__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  color: var(--fox);
}

.page-contact .contact-card__eyebrow::before {
  content: "";
  width: 16px;
  height: 2px;
  background-color: var(--fox);
}

.page-contact .contact-rows {
  margin: 0 0 22px;
}

.page-contact .contact-row {
  padding: 14px 0;
}

.page-contact .contact-row + .contact-row {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-row:first-child {
  padding-top: 0;
}

.page-contact .contact-row__label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.page-contact .contact-row__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.875rem, 2.6vw, 1rem);
  line-height: 1.45;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease);
}

.page-contact a.contact-row__value:hover {
  color: var(--fox);
}

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

.page-contact .contact-row__value--text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .contact-card__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

/* 主题分组 */
.page-contact .contact-block {
  padding: 30px 0 34px;
  border-top: 1px solid var(--rule);
}

.page-contact .contact-block:first-child {
  border-top-width: 2px;
  padding-top: 26px;
}

.page-contact .contact-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-contact .contact-num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.375rem;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--rule);
}

@supports (-webkit-text-stroke: 1px currentColor) {
  .page-contact .contact-num {
    color: transparent;
    -webkit-text-stroke: 1px var(--rule);
  }
}

.page-contact .contact-block__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-block > p {
  max-width: 36em;
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-block > p:last-child {
  margin-bottom: 0;
}

/* 渠道条目 */
.page-contact .contact-channels {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-channel {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 16px;
  border-top: 1px solid var(--contact-hair);
  border-left: 2px solid transparent;
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .contact-channel:first-child {
  border-top: 0;
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  border-left-color: var(--steppe);
  background-color: var(--hover);
}

.page-contact .contact-channel__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--fog);
}

.page-contact .contact-channel__mail {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.9375rem, 2.4vw, 1.125rem);
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-channel__mail:hover {
  color: var(--fox);
}

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

.page-contact .contact-channel__note {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--fog);
}

/* 要点列表 */
.page-contact .contact-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  max-width: 40em;
}

.page-contact .contact-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .contact-list li + li {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 10px;
  height: 2px;
  background-color: var(--rule);
  transition: background-color var(--dur) var(--ease);
}

.page-contact .contact-list li:hover::before {
  background-color: var(--fox);
}

.page-contact .contact-list strong {
  color: var(--paper);
  font-weight: 600;
}

/* 主体信息 */
.page-contact .contact-facts {
  margin: 20px 0 0;
  padding: 0;
  max-width: 46em;
}

.page-contact .contact-fact {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-fact:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-fact dt {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--fog);
}

.page-contact .contact-fact dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-fact .contact-fact__icp {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-contact .contact-next {
  max-width: 40em;
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--contact-hair);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-next a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--fox);
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-next a:hover {
  color: var(--fox);
}

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

@media (min-width: 640px) {
  .page-contact .contact-fact {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--contact-card-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-card__inner {
    padding: 30px 24px 28px;
  }

  .page-contact .contact-block {
    padding: 34px 0 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-crumb a,
  .page-contact .contact-row__value,
  .page-contact .contact-channel,
  .page-contact .contact-channel__mail,
  .page-contact .contact-list li::before,
  .page-contact .contact-next a {
    transition-duration: 0.01ms;
  }
}