.page-contact {
  --c-bd: 2px solid var(--teal);
  --c-pad: clamp(18px, 3.4vw, 30px);
  background: var(--paper);
  overflow-x: clip;
}

/* ---------------- 首屏 ---------------- */
.page-contact .c-hero {
  background: var(--teal);
  color: var(--paper);
  padding: clamp(22px, 3.8vw, 40px) 0 clamp(34px, 5vw, 62px);
}

.page-contact .c-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-contact .c-hero__media {
  position: relative;
  border: 2px solid rgba(244, 241, 233, .26);
  overflow: hidden;
}

.page-contact .c-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .c-hero__media .media__cap {
  position: absolute;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 5px 12px;
  background: var(--flare);
  color: var(--night);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-contact .c-hero .crumbs {
  margin-bottom: 20px;
}

.page-contact .c-hero .crumbs a {
  color: var(--paper);
}

.page-contact .c-hero .crumbs [aria-current="page"] {
  color: var(--flare);
}

.page-contact .c-hero__body .label {
  color: var(--spark);
}

.page-contact .c-hero h1 {
  margin: .34em 0 .42em;
  font-weight: 200;
  font-size: clamp(29px, 6.8vw, 62px);
  line-height: 1.04;
  letter-spacing: -.012em;
  color: var(--warm);
}

.page-contact .c-hero__lede {
  max-width: 58ch;
  margin: 0 0 16px;
  font-size: clamp(14px, 1.7vw, 16px);
  line-height: 1.78;
  color: rgba(244, 241, 233, .84);
}

.page-contact .c-hero__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(244, 241, 233, .24);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------------- 渠道与建议 ---------------- */
.page-contact .c-channels {
  gap: clamp(30px, 4vw, 50px);
}

.page-contact .c-cards {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .c-card {
  position: relative;
  padding: var(--c-pad);
  background: var(--warm);
  border: var(--c-bd);
  box-shadow: var(--shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .c-card::before {
  content: "";
  position: absolute;
  left: -2px;
  top: var(--c-pad);
  width: 4px;
  height: 0;
  background: var(--flare);
  transition: height var(--dur) var(--ease);
}

.page-contact .c-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--teal);
}

.page-contact .c-card:hover::before {
  height: 36px;
}

.page-contact .c-card__idx {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-contact .c-card__title {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--stone);
}

.page-contact .c-val {
  margin: 0 0 8px;
  font-family: var(--f-mono);
  font-size: clamp(16px, 3.6vw, 22px);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: .004em;
  color: var(--teal);
  word-break: break-word;
  user-select: all;
}

.page-contact .c-val--addr {
  font-family: var(--f-sans);
  font-size: clamp(14px, 2.6vw, 16px);
  font-weight: 500;
  line-height: 1.66;
  user-select: text;
}

.page-contact .c-val--addr span {
  display: block;
}

.page-contact .c-card__meta {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-contact .c-card__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .c-side {
  align-self: start;
  padding: var(--c-pad);
  background: var(--warm);
  border: var(--c-bd);
}

.page-contact .c-side__title {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-contact .c-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .c-index li {
  border-top: 1px dashed var(--line);
}

.page-contact .c-index li:last-child {
  border-bottom: 1px dashed var(--line);
}

.page-contact .c-index a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 12px 4px;
  text-decoration: none;
  color: var(--stone);
  font-size: 13.5px;
  line-height: 1.65;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .c-index a:hover,
.page-contact .c-index a:focus-visible {
  background: var(--paper);
  color: var(--teal);
}

.page-contact .c-index__num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--clay);
}

.page-contact .c-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  background: var(--paper);
  border-left: 4px solid var(--clay);
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------------- 邮件优先 ---------------- */
.page-contact .c-mail__grid {
  align-items: start;
}

.page-contact .c-mail__media {
  position: relative;
}

.page-contact .c-mail__media .media {
  position: relative;
  border: var(--c-bd);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-contact .c-mail__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

.page-contact .c-mail__media .media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 5px 12px;
  background: var(--teal);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-contact .c-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .c-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .c-step:last-child {
  border-bottom: 1px dashed var(--line);
}

.page-contact .c-step__num {
  padding-top: 3px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--clay);
}

.page-contact .c-step__title {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 600;
  color: var(--teal);
}

.page-contact .c-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--stone);
}

/* ---------------- 电话与边界 ---------------- */
.page-contact .c-dark {
  background: var(--night);
  color: var(--paper);
}

.page-contact .c-dark__grid {
  gap: clamp(34px, 5vw, 62px);
}

.page-contact .c-dark .section__eyebrow {
  color: var(--spark);
}

.page-contact .c-dark .section__title {
  color: var(--warm);
}

.page-contact .c-phone__num {
  margin: 18px 0 6px;
  font-family: var(--f-mono);
  font-size: clamp(26px, 6vw, 46px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--flare);
  user-select: all;
}

.page-contact .c-phone__meta {
  margin: 0 0 18px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .c-dark__txt {
  max-width: 52ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(244, 241, 233, .82);
}

.page-contact .c-scope {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .c-scope li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-top: 1px dashed rgba(244, 241, 233, .2);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 233, .9);
}

.page-contact .c-scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 11px;
  height: 2px;
  background: var(--flare);
}

.page-contact .c-scope__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(244, 241, 233, .24);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------------- 底部信息带 ---------------- */
.page-contact .c-record {
  padding: clamp(36px, 5.4vw, 74px) 0;
  background: var(--teal);
  border-top: 2px solid var(--night);
  color: var(--paper);
}

.page-contact .c-record__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .c-record .label {
  color: var(--spark);
}

.page-contact .c-record__domain {
  margin: 12px 0 4px;
  font-family: var(--f-mono);
  font-size: clamp(19px, 3.8vw, 28px);
  letter-spacing: .01em;
  color: var(--warm);
  user-select: all;
}

.page-contact .c-record__icp {
  margin: 0 0 18px;
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .c-record__side {
  max-width: 46ch;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(244, 241, 233, .24);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 241, 233, .76);
}

.page-contact .c-record__addr {
  margin: 12px 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--warm);
}

.page-contact .c-record__txt {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(244, 241, 233, .82);
}

.page-contact .c-record__fold {
  border: 1px solid rgba(244, 241, 233, .26);
  background: rgba(10, 21, 18, .38);
}

.page-contact .c-record__fold summary {
  cursor: pointer;
  padding: 12px 16px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--spark);
}

.page-contact .c-record__fold .fold__body {
  padding: 0 16px 15px;
  font-size: 13.5px;
  line-height: 1.82;
  color: rgba(244, 241, 233, .8);
}

.page-contact .c-record__fold .fold__body p {
  margin: 0;
}

.page-contact .c-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: 20px;
  border-top: 1px dashed rgba(244, 241, 233, .24);
}

.page-contact .c-links a {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(244, 241, 233, .78);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 241, 233, .3);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .c-links a:hover,
.page-contact .c-links a:focus-visible {
  color: var(--flare);
  border-color: var(--flare);
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 700px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .c-record__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  }
}

@media (min-width: 940px) {
  .page-contact .c-hero__media {
    border-color: rgba(244, 241, 233, .32);
  }

  .page-contact .c-cards {
    gap: 20px;
  }

  .page-contact .c-step {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
  }

  .page-contact .c-hero h1 {
    max-width: 16ch;
  }
}

@media (min-width: 1180px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-card,
  .page-contact .c-card::before,
  .page-contact .c-index a,
  .page-contact .c-links a {
    transition: none;
  }

  .page-contact .c-card:hover {
    transform: none;
    box-shadow: var(--shadow);
  }
}
<<<END>>>