.page-contact {
  --ct-gap: clamp(20px, 3vw, 36px);
  --ct-section: clamp(48px, 8vw, 96px);
  display: block;
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-contact .contact-crumb {
  padding-top: clamp(16px, 2.5vw, 26px);
  padding-bottom: clamp(2px, 1vw, 8px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3vw, 36px) 0 clamp(26px, 4.5vw, 52px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-64);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__say {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-82);
}

.page-contact .contact-quick {
  align-self: end;
  border-top: 1px solid var(--line-faint);
}

.page-contact .contact-quick a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line-faint);
  text-decoration: none;
  font-size: var(--fs-14);
  color: var(--paper-82);
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

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

.page-contact .contact-quick__no {
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 通用标题 ---------- */
.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-40);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--paper);
}

/* ---------- 渠道分工 ---------- */
.page-contact .contact-channels {
  margin-top: var(--ct-section);
}

.page-contact .channels-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .channels-intro {
  max-width: 52ch;
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-82);
}

.page-contact .channel-pair {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .channel-card--phone::before {
  background: var(--clay);
}

.page-contact .channel-card:hover {
  border-color: var(--line-soft);
  background: var(--graphite);
}

.page-contact .channel-card__tag {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .channel-card__title {
  margin: 10px 0 14px;
}

.page-contact .channel-card__value {
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.01em;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.page-contact .channel-card__desc {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .channels-figure {
  margin: 0;
}

.page-contact .channels-figure img,
.page-contact .hours-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-contact .channels-figure .media__cap,
.page-contact .hours-figure .media__cap {
  margin-top: 10px;
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-hours {
  margin-top: var(--ct-section);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .hours-say {
  max-width: 54ch;
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-82);
}

.page-contact .hours-big {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: clamp(8px, 1.5vw, 18px);
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(56, 242, 208, 0.22);
}

.page-contact .hours-big__dash {
  font-weight: 400;
  color: var(--stone);
  text-shadow: none;
}

.page-contact .hours-scale {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .hours-scale__bar {
  position: relative;
  height: 10px;
  background: var(--graphite);
  border: 1px solid var(--line);
}

.page-contact .hours-scale__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 41.667%;
  width: 50%;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(56, 242, 208, 0.42) 100%);
  box-shadow: 0 0 12px rgba(56, 242, 208, 0.26);
}

.page-contact .hours-scale__ticks {
  display: flex;
  justify-content: space-between;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .hours-notes {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .hours-note {
  padding-left: 14px;
  border-left: 2px solid var(--moss);
}

.page-contact .hours-note .annotation {
  margin: 0 0 6px;
}

.page-contact .hours-note p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--paper-82);
}

.page-contact .hours-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

/* ---------- 咨询清单 ---------- */
.page-contact .contact-checklist {
  margin-top: var(--ct-section);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .checklist-layout {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .checklist-say {
  max-width: 50ch;
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-82);
}

.page-contact .check-items {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-faint);
}

.page-contact .check-item {
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .check-item__label {
  display: grid;
  grid-template-columns: 18px 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 4px;
  cursor: pointer;
  transition: background-color 0.15s var(--ease);
}

.page-contact .check-item__label:hover {
  background: var(--cyan-wash);
}

.page-contact .check-item__box {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  margin: 5px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
  position: relative;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.page-contact .check-item__box:checked {
  border-color: var(--cyan);
  background: var(--cyan-wash);
}

.page-contact .check-item__box:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}

.page-contact .check-item__box:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .check-item__no {
  font-family: var(--font-data);
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--cyan);
  transition: color 0.15s var(--ease);
}

.page-contact .check-item__text {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--paper-82);
  transition: color 0.15s var(--ease);
}

.page-contact .check-item__text strong {
  font-weight: 700;
  color: var(--paper);
}

.page-contact .check-item__box:checked ~ .check-item__no,
.page-contact .check-item__box:checked ~ .check-item__text {
  color: var(--stone);
}

.page-contact .checklist-aside {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-contact .checklist-aside .annotation {
  margin: 0 0 12px;
}

.page-contact .checklist-aside p {
  margin: 0 0 12px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--paper-82);
}

.page-contact .checklist-aside p:last-child {
  margin-bottom: 0;
}

/* ---------- 通信地址 ---------- */
.page-contact .contact-address {
  margin-top: var(--ct-section);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .address-layout {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .address-card {
  padding: clamp(24px, 4vw, 42px);
  background: var(--paper);
  border-left: 4px solid var(--clay);
}

.page-contact .address-card .annotation {
  margin: 0;
  color: var(--clay);
}

.page-contact .address-card h2 {
  color: var(--ink-900);
}

.page-contact .address-block {
  display: grid;
  gap: 4px;
  margin: 18px 0 0;
  font-family: var(--font-data);
  font-style: normal;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.6;
  color: var(--ink-900);
}

.page-contact .address-note {
  max-width: 52ch;
  margin: 18px 0 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: #4a5060;
}

.page-contact .address-side {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-contact .address-side .annotation {
  margin: 0 0 12px;
}

.page-contact .address-side p {
  margin: 0 0 12px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--paper-82);
}

.page-contact .address-side p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作沟通 ---------- */
.page-contact .contact-collab {
  margin-top: var(--ct-section);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .collab-say {
  max-width: 54ch;
  margin: 16px 0 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-82);
}

.page-contact .collab-steps {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-faint);
}

.page-contact .collab-steps > li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line-faint);
  transition: border-color 0.15s var(--ease), background-color 0.15s var(--ease);
}

.page-contact .collab-steps > li:hover {
  background: var(--cyan-wash);
  border-bottom-color: var(--line-soft);
}

.page-contact .collab-steps__no {
  font-family: var(--font-data);
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--stone);
}

.page-contact .collab-steps__body h3 {
  font-size: var(--fs-20);
}

.page-contact .collab-steps__body p {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--paper-64);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-index {
  margin-top: var(--ct-section);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line-faint);
}

.page-contact .index-links {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-faint);
}

.page-contact .index-links a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line-faint);
  text-decoration: none;
  font-size: var(--fs-14);
  color: var(--paper-82);
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease), padding-left 0.15s var(--ease);
}

.page-contact .index-links a:hover,
.page-contact .index-links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  padding-left: 8px;
}

.page-contact .index-links__mark {
  font-family: var(--font-data);
  color: var(--line);
  transition: color 0.15s var(--ease);
}

.page-contact .index-links a:hover .index-links__mark {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hours-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .index-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-contact .checklist-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-contact .address-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .channels-layout {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: start;
  }

  .page-contact .contact-channels {
    overflow: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-quick a,
  .page-contact .channel-card,
  .page-contact .channel-card__value,
  .page-contact .check-item__label,
  .page-contact .check-item__box,
  .page-contact .check-item__no,
  .page-contact .check-item__text,
  .page-contact .collab-steps > li,
  .page-contact .index-links a,
  .page-contact .index-links__mark {
    transition: none;
  }

  .page-contact .index-links a:hover,
  .page-contact .index-links a:focus-visible {
    padding-left: 2px;
  }
}
<<<END>>>