.page-contact {
  --contact-gap: clamp(20px, 3vw, 28px);
  --contact-accent-line: rgba(31, 110, 140, .12);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: calc(var(--gutter) + 20px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .contact-hero__title {
  margin: 10px 0 22px;
  line-height: 1.06;
}

.page-contact .contact-hero__lede {
  max-width: 52ch;
  margin: 0;
}

.page-contact .contact-hero__aside {
  display: grid;
  gap: 14px;
  align-content: end;
  align-self: end;
}

.page-contact .contact-hero__aside .data-anchor {
  padding: 16px 20px 14px;
  border-radius: var(--r-md);
}

.page-contact .contact-hero__figure {
  --figure-ratio: 1600 / 600;
  margin: 0;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-routes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(32px, 4.5vw, 52px);
}

.page-contact .contact-route {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 28px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .contact-route:hover,
.page-contact .contact-route:focus-within {
  border-color: var(--sun);
  transform: translateY(-2px);
}

.page-contact .contact-route__index {
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--rock);
}

.page-contact .contact-route .card__title {
  margin: 2px 0 4px;
}

.page-contact .contact-route__meta {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .contact-route__value {
  margin: 6px 0 2px;
  color: var(--pine);
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: .01em;
  word-break: break-all;
}

.page-contact .contact-route--phone .contact-route__value {
  font-size: clamp(28px, 4.2vw, 38px);
  color: var(--lake);
  letter-spacing: .02em;
}

.page-contact .contact-route__note {
  margin: 0;
  padding-top: 4px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pine);
  opacity: .82;
}

.page-contact .contact-route--form {
  border-color: var(--lake);
}

/* ---------- 填写提示 ---------- */
.page-contact .contact-checklist__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 52px);
  margin-top: clamp(32px, 4.5vw, 52px);
}

.page-contact .contact-checklist__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: none;
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-warm);
}

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

.page-contact .contact-checklist__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .contact-checklist__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-sm);
  background: var(--sun);
  color: var(--ink);
  font-size: 14px;
  letter-spacing: .04em;
  flex: none;
}

.page-contact .contact-checklist__item .h-sub {
  margin: 6px 0 6px;
}

.page-contact .contact-checklist__item p {
  margin: 0;
  color: var(--pine);
  opacity: .86;
}

.page-contact .contact-checklist__sample {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 30px);
  align-self: start;
}

.page-contact .contact-checklist__code {
  margin: 14px 0 16px;
  padding: 18px 20px;
  background: var(--lake-mist);
  border-radius: var(--r-sm);
  color: var(--pine);
  font-size: 13px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .contact-checklist__code code {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.page-contact .contact-checklist__hint {
  margin: 0;
  font-size: 14px;
  color: var(--rock);
  line-height: 1.75;
}

/* ---------- 合作 ---------- */
.page-contact .contact-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-contact .contact-partner__text .lede {
  margin: 0;
}

.page-contact .contact-partner__blocks {
  display: grid;
  gap: 16px;
  margin: 26px 0 22px;
}

.page-contact .contact-partner__block {
  padding: 22px 22px 24px;
}

.page-contact .contact-partner__block p {
  margin: 8px 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pine);
  opacity: .88;
}

.page-contact .contact-partner__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .contact-partner__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pine);
}

.page-contact .contact-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 2px;
  background: var(--cinnabar);
}

.page-contact .contact-partner__mail {
  margin: 0;
  font-size: 15px;
  color: var(--pine);
}

.page-contact .contact-partner__mail .mono {
  color: var(--lake);
  word-break: break-all;
}

.page-contact .contact-partner__figure {
  --figure-ratio: 4 / 3;
  margin: 0;
}

/* ---------- 办公地点 ---------- */
.page-contact .contact-visit__address {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: clamp(26px, 3.5vw, 38px) 0 16px;
  padding: 22px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sun);
  border-radius: var(--r-md);
}

.page-contact .contact-visit__line {
  flex: 1 1 260px;
  margin: 0;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--pine);
  letter-spacing: .01em;
  word-break: break-all;
}

.page-contact .contact-visit__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-timing {
  color: var(--on-dark-strong);
}

.page-contact .contact-timing .eyebrow {
  color: var(--sun);
}

.page-contact .contact-timing__title,
.page-contact .contact-timing__lede {
  color: var(--on-dark-strong);
}

.page-contact .contact-timing__list {
  list-style: none;
  margin: clamp(30px, 4.5vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-timing__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid rgba(245, 240, 230, .18);
}

.page-contact .contact-timing__item:last-child {
  border-bottom: 1px solid rgba(245, 240, 230, .18);
}

.page-contact .contact-timing__tag {
  justify-self: start;
}

.page-contact .contact-timing__item p {
  margin: 0;
  color: var(--on-dark);
  line-height: 1.85;
}

/* ---------- 收束 ---------- */
.page-contact .contact-tail {
  position: relative;
  overflow: hidden;
  background: var(--lake-mist);
}

.page-contact .contact-tail::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg,
    var(--contact-accent-line) 0px,
    var(--contact-accent-line) 1px,
    transparent 1px,
    transparent 15px
  );
  pointer-events: none;
}

.page-contact .contact-tail__inner {
  position: relative;
  max-width: 720px;
  padding: clamp(40px, 6vw, 66px) 0;
}

.page-contact .contact-tail__inner .h-sub {
  margin: 0 0 12px;
  font-size: clamp(24px, 2.6vw, 32px);
}

.page-contact .contact-tail__inner p {
  margin: 0 0 24px;
  color: var(--pine);
  line-height: 1.85;
}

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

/* ---------- 桌面扩展 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(220px, .7fr);
    align-items: end;
    gap: clamp(40px, 6vw, 80px);
  }

  .page-contact .contact-checklist__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .page-contact .contact-timing__item {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
    padding: 26px 0;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-routes__grid {
    grid-template-columns: 1.55fr 1.15fr 1fr;
    gap: var(--contact-gap);
    align-items: stretch;
  }

  .page-contact .contact-route {
    padding: 32px 28px 34px;
  }

  .page-contact .contact-route--phone {
    padding: 38px 34px 40px;
  }
}
<<<END>>>