.page-contact {
  --contact-pad: clamp(24px, 3.6vw, 44px);
  --contact-gap: clamp(24px, 4vw, 44px);
  --contact-soft-line: rgba(34, 54, 79, 0.72);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact__crumb {
  padding-top: clamp(18px, 3vw, 32px);
  margin-bottom: clamp(14px, 2.2vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-masthead {
  display: grid;
  gap: var(--contact-gap);
  padding-bottom: clamp(40px, 6vw, 72px);
  border-bottom: var(--hairline);
}

@media (min-width: 940px) {
  .page-contact .contact-masthead {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    column-gap: clamp(36px, 5vw, 72px);
  }
}

.page-contact .contact-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-signal);
  margin: 0 0 16px;
}

.page-contact .contact-masthead h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 7.4vw, 64px);
  line-height: 1.05;
  letter-spacing: 0.015em;
  color: var(--c-ink);
  margin: 0 0 18px;
  max-width: 20ch;
}

.page-contact .contact-masthead .lead {
  color: var(--c-mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  max-width: 46ch;
  margin: 0 0 26px;
}

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

.page-contact .contact-masthead__media {
  margin: 0;
  border: var(--hairline);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  padding: clamp(44px, 6vw, 76px) 0;
}

.page-contact .contact-channels__intro {
  max-width: 58ch;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.8;
  margin: 16px 0 clamp(26px, 3.5vw, 40px);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 22px 22px;
  background: var(--c-stand);
  border: var(--hairline);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 64px;
  height: 3px;
  background: var(--c-signal);
}

@media (hover: hover) {
  .page-contact .channel-card:hover {
    transform: translateY(-2px);
    border-color: var(--c-signal-soft);
  }
}

.page-contact .channel-card__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-grass-soft);
  margin: 0;
}

.page-contact .channel-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 24px);
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0;
}

.page-contact .channel-card__text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist);
  margin: 0;
}

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

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-silver);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 1px;
  background: var(--c-grass);
}

.page-contact .channel-card .fold {
  margin-top: auto;
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
}

.page-contact .fold__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-signal-soft);
}

.page-contact .fold__summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold__summary::before {
  content: "+";
  display: inline-block;
  width: 12px;
  font-family: var(--font-mono);
  color: var(--c-signal);
  transition: transform var(--dur) var(--ease);
}

.page-contact .fold[open] .fold__summary::before {
  transform: rotate(45deg);
}

/* ---------- 提交模板 ---------- */
.page-contact .submit-template {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--c-silver);
  background: rgba(14, 27, 46, 0.78);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-signal);
  padding: 14px 16px;
  margin: 12px 0 0;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* ---------- 咨询台宽幅卡 ---------- */
.page-contact .contact-desk {
  position: relative;
  margin: clamp(44px, 6vw, 72px) 0;
  padding: var(--contact-pad);
  background: linear-gradient(180deg, var(--c-stand), rgba(14, 27, 46, 0.72));
  border: var(--hairline);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-desk::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 96px;
  height: 3px;
  background: var(--c-signal);
}

.page-contact .contact-desk__grid {
  display: grid;
  gap: clamp(28px, 3.6vw, 46px);
}

@media (min-width: 1000px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  }
}

.page-contact .contact-desk__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 30px);
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0 0 14px;
}

.page-contact .contact-desk__main > p {
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
  margin: 0 0 24px;
}

.page-contact .spec-list {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.page-contact .spec-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.page-contact .spec-item__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-signal);
  padding-top: 3px;
}

.page-contact .spec-item__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-ink);
  margin: 0 0 6px;
}

.page-contact .spec-item p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-mist);
  margin: 0;
}

.page-contact .contact-desk__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: clamp(22px, 3vw, 28px);
  border-top: 1px solid var(--c-line);
}

@media (min-width: 1000px) {
  .page-contact .contact-desk__aside {
    padding-top: 0;
    padding-left: clamp(26px, 3vw, 40px);
    border-top: 0;
    border-left: 1px solid var(--c-line);
  }
}

.page-contact .beat-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
}

.page-contact .beat {
  position: relative;
  padding: 14px 10px 0 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .beat::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--c-signal);
}

.page-contact .beat__mark {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-ink);
}

.page-contact .beat__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--c-mist);
}

.page-contact .contact-desk__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
  margin: 0;
}

.page-contact .contact-desk__link,
.page-contact .contact-partner__link {
  color: var(--c-signal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-lines {
  display: grid;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-line {
  display: grid;
  gap: 4px;
}

.page-contact .contact-line__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}

.page-contact .contact-line__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

/* ---------- 合作 ---------- */
.page-contact .contact-partner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(44px, 6vw, 72px) 0;
  border-top: var(--hairline);
}

@media (min-width: 900px) {
  .page-contact .contact-partner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

.page-contact .contact-partner__media {
  margin: 0;
  border: var(--hairline);
}

.page-contact .contact-partner__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0 0 16px;
}

.page-contact .contact-partner__text > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
  margin: 0 0 22px;
  max-width: 56ch;
}

.page-contact .coop-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--c-grass);
}

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

.page-contact .contact-partner__action {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-mist);
  margin: 0;
  max-width: 56ch;
}

/* ---------- 地址 ---------- */
.page-contact .contact-visit {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: clamp(26px, 3.6vw, 40px) 0;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}

.page-contact .contact-visit__marker {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  border: 1px solid var(--c-signal);
  flex: none;
}

.page-contact .contact-visit__marker::before,
.page-contact .contact-visit__marker::after {
  content: "";
  position: absolute;
  background: var(--c-signal);
}

.page-contact .contact-visit__marker::before {
  left: 50%;
  top: 7px;
  bottom: 7px;
  width: 1px;
  transform: translateX(-50%);
}

.page-contact .contact-visit__marker::after {
  top: 50%;
  left: 7px;
  right: 7px;
  height: 1px;
  transform: translateY(-50%);
}

.page-contact .contact-visit__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: 0.03em;
  color: var(--c-ink);
  margin: 0 0 10px;
}

.page-contact .contact-visit__addr {
  font-size: 15.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0 0 10px;
}

.page-contact .contact-visit__note {
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-mist);
  margin: 0;
  max-width: 60ch;
}

/* ---------- 自查清单 ---------- */
.page-contact .contact-checklist {
  padding: clamp(44px, 6vw, 72px) 0 clamp(16px, 2.6vw, 28px);
}

.page-contact .contact-checklist__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 3.2vw, 38px);
  letter-spacing: 0.02em;
  color: var(--c-ink);
  margin: 0 0 24px;
}

.page-contact .check-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--c-line);
}

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

.page-contact .check-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-signal);
}

.page-contact .check-item p {
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-ink);
  margin: 0;
}

.page-contact .contact-checklist__foot {
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-mist);
  margin: 0;
  max-width: 62ch;
}

.page-contact .contact-checklist__foot a {
  color: var(--c-signal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .fold__summary::before {
    transition: none;
  }
}
<<<END>>>