.page-contact {
  --contact-gap: clamp(20px, 3.4vw, 44px);
  --contact-pad: clamp(22px, 3.4vw, 40px);
}

.page-contact .breadcrumb {
  padding-block: clamp(16px, 2.4vw, 28px) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 3.4vw, 48px) clamp(32px, 4.4vw, 64px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-hero__copy {
  max-width: 64ch;
}

.page-contact .contact-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
}

.page-contact .contact-hero__copy .lede {
  color: var(--body-soft);
  font-size: var(--step-0);
  line-height: 1.75;
  max-width: 52ch;
}

.page-contact .quick-list {
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  border-top: var(--rule);
}

.page-contact .quick-list__row {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-block: 14px;
  border-bottom: var(--rule);
}

.page-contact .quick-list__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .quick-list__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2.1vw, 22px);
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .quick-list__value:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .quick-list__value--plain {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--body-soft);
}

.page-contact .contact-hero__media {
  margin: 0;
  border: var(--rule);
  background: var(--panel);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: var(--rule);
}

/* ---------- 通道 ---------- */
.page-contact .contact-channels__head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .login-note,
.page-contact .channel-grid {
  margin-top: 0;
}

.page-contact .channel-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--rule);
}

.page-contact .channel {
  background: var(--ink);
  padding: var(--contact-pad);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background var(--dur) var(--ease);
}

.page-contact .channel:hover {
  background: var(--panel);
}

.page-contact .channel__no {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .channel__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.2;
  margin: 0;
}

.page-contact .channel__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-soft);
  margin: 0;
  flex: 1 1 auto;
}

.page-contact .channel__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--paper);
}

.page-contact .channel__link {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 500;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
  padding-bottom: 2px;
}

.page-contact .channel__link:hover {
  color: var(--lime-hover);
  border-bottom-color: var(--lime-hover);
}

/* ---------- 电话 ---------- */
.page-contact .contact-phone__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-phone__copy p {
  margin: 0 0 14px;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--body-soft);
  max-width: 56ch;
}

.page-contact .contact-phone__hint {
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  color: var(--muted) !important;
  font-size: 14px !important;
}

.page-contact .phone-panel {
  border: var(--rule);
  background: var(--panel);
  padding: var(--contact-pad);
}

.page-contact .phone-panel__label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .phone-panel__number {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .phone-panel__number:hover {
  color: var(--lime-hover);
}

.page-contact .phone-panel__facts {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  border-top: var(--rule);
}

.page-contact .phone-panel__facts > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  justify-content: space-between;
  padding-block: 11px;
  border-bottom: var(--rule);
}

.page-contact .phone-panel__facts dt {
  font-size: 13px;
  color: var(--muted);
}

.page-contact .phone-panel__facts dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}

/* ---------- 邮箱 ---------- */
.page-contact .contact-mail .section-title {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-contact .mail-block {
  border: var(--rule);
  background: var(--panel);
  padding: var(--contact-pad);
}

.page-contact .mail-block__addr {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .mail-block__addr:hover {
  color: var(--lime-hover);
  border-bottom-color: var(--lime-hover);
}

.page-contact .mail-block__meta {
  margin-top: clamp(18px, 2.4vw, 26px);
  padding-top: clamp(16px, 2.2vw, 22px);
  border-top: var(--rule);
}

.page-contact .mail-block__meta p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-soft);
  max-width: 62ch;
}

.page-contact .mail-block__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px !important;
}

/* ---------- 运营中心 ---------- */
.page-contact .contact-office__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-office__media {
  margin: 0;
  border: var(--rule);
  background: var(--panel);
}

.page-contact .contact-office__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .office-facts {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  border-top: var(--rule);
}

.page-contact .office-facts__row {
  display: grid;
  gap: 6px;
  padding-block: 14px;
  border-bottom: var(--rule);
}

.page-contact .office-facts dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .office-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .office-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .office-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
}

.page-contact .office-note a:hover {
  color: var(--lime-hover);
  border-bottom-color: var(--lime-hover);
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-flow__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-flow__intro p.lede {
  color: var(--body-soft);
  max-width: 44ch;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: var(--rule);
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-block: clamp(16px, 2.2vw, 22px);
  border-top: var(--rule);
}

.page-contact .flow-step__no {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--lime);
  padding-top: 4px;
}

.page-contact .flow-step__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 1.9vw, 24px);
  line-height: 1.25;
  margin: 0 0 6px;
}

.page-contact .flow-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-soft);
  max-width: 56ch;
}

/* ---------- 联系前准备 ---------- */
.page-contact .contact-prep__head {
  max-width: 52ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

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

.page-contact .prep-card {
  border-top: 2px solid var(--lime);
  padding-top: 16px;
}

.page-contact .prep-card__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 1.9vw, 24px);
  line-height: 1.25;
  margin: 0 0 8px;
}

.page-contact .prep-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-contact .help-strip {
  margin-top: clamp(28px, 3.6vw, 44px);
  border-left: 2px solid var(--lime);
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .help-strip__text {
  margin: 0;
  font-size: 15px;
  color: var(--body-soft);
}

.page-contact .help-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
}

.page-contact .help-strip__links a {
  font-size: 14px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime);
}

.page-contact .help-strip__links a:hover {
  color: var(--lime-hover);
  border-bottom-color: var(--lime-hover);
}

/* ---------- 焦点态 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .quick-list__row {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    gap: 24px;
  }

  .page-contact .office-facts__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 18px;
  }

  .page-contact .help-strip {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-contact .contact-hero__media img {
    height: 100%;
    min-height: 340px;
  }

  .page-contact .contact-hero__media {
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-office__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-phone__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .contact-hero {
    padding-block: clamp(32px, 3.4vw, 56px) clamp(44px, 4.6vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .quick-list__value,
  .page-contact .channel,
  .page-contact .mail-block__addr {
    transition: none;
  }
}
<<<END>>>