.page-contact {
  --c-radius: 22px 8px 26px 10px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 26px 0 0;
}

.page-contact .contact-hero__body {
  max-width: 820px;
  margin-top: 20px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--gold);
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channels {
  padding: 34px 0 0;
}

.page-contact .channels__panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--c-radius);
  background: var(--paper-2);
  padding: 32px 18px 40px;
}

.page-contact .channels__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .channels__inner {
  position: relative;
}

.page-contact .channels__note {
  margin: 10px 0 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .channel-card {
  background: var(--paper-3);
  border: 1px solid var(--river);
  border-radius: var(--c-radius);
  padding: 24px 20px 26px;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  display: block;
  width: 38px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--river);
}

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

.page-contact .channel-card--visit::before {
  background: var(--green);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--cyan);
  background: var(--paper);
}

.page-contact .channel-card__value {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--river);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__desc {
  margin: 14px 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 反馈准备 + 处理流程 ---------- */
.page-contact .prep {
  padding: 52px 0 0;
}

.page-contact .prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .prep-list li::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1.5px solid var(--river);
  border-radius: 5px;
  background: var(--paper-3);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .prep-list li:hover::before {
  border-color: var(--cyan);
  background: var(--paper-2);
}

.page-contact .prep-list strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .prep-list span {
  display: block;
  margin-top: 5px;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--slate);
}

.page-contact .prep__aside {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--paper-2);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .prep__aside a {
  color: var(--river);
  text-decoration: underline;
  text-decoration-color: var(--peach);
  text-underline-offset: 3px;
}

.page-contact .prep__aside a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

.page-contact .flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .flow__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--paper-2);
}

.page-contact .flow__item:first-child {
  border-top: 1px solid var(--gold);
}

.page-contact .flow__num {
  font-family: var(--mono);
  font-size: 1.3rem;
  line-height: 1.25;
  color: var(--orange);
}

.page-contact .flow__item h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

.page-contact .flow__item p {
  margin: 8px 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 邮件优先的三类问题 ---------- */
.page-contact .mail-priority {
  padding: 54px 0 0;
}

.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .mail-card {
  background: var(--paper-3);
  border: 1px solid var(--paper-2);
  border-left: 3px solid var(--orange);
  border-radius: 6px 6px 22px 6px;
  padding: 22px 20px 24px;
}

.page-contact .mail-card__index {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .mail-card h3 {
  margin: 12px 0 0;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .mail-card p {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .mail-card a {
  color: var(--river);
  text-decoration: underline;
  text-decoration-color: var(--peach);
  text-underline-offset: 3px;
}

.page-contact .mail-card a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

.page-contact .mail-note {
  margin-top: 24px;
  padding: 26px 22px 28px;
  border-radius: var(--c-radius);
  background: var(--green);
}

.page-contact .mail-note p {
  margin: 12px 0 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--paper);
}

.page-contact .mail-note p:first-child {
  margin-top: 0;
}

.page-contact .mail-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(0, 224, 198, 0.45);
  text-underline-offset: 3px;
}

.page-contact .mail-note a:hover {
  color: var(--paper);
  text-decoration-color: var(--paper);
}

/* ---------- 内容协作与场馆对接 ---------- */
.page-contact .collab {
  padding: 54px 0 0;
}

.page-contact .collab__panel {
  border: 1px solid var(--river);
  border-radius: var(--c-radius);
  background: var(--paper-3);
  padding: 30px 20px 32px;
}

.page-contact .collab__lede {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .collab__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .collab__list li {
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .collab__list strong {
  color: var(--river);
}

.page-contact .collab__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--paper-2);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .collab__foot a {
  color: var(--river);
  text-decoration: underline;
  text-decoration-color: var(--peach);
  text-underline-offset: 3px;
}

.page-contact .collab__foot a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .visit {
  padding: 54px 0 62px;
}

.page-contact .visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .visit__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--paper-2);
  border-radius: var(--c-radius);
  background: var(--paper-2);
}

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

.page-contact .visit__figure figcaption {
  padding: 14px 18px 16px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .visit__body p {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding-top: 34px;
  }

  .page-contact .channels__panel {
    padding: 46px 36px 76px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 34px;
  }

  .page-contact .channel-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-contact .channel-card:nth-child(3) {
    transform: translateY(44px);
  }

  .page-contact .prep__grid {
    grid-template-columns: 1fr 1fr;
    gap: 52px;
  }

  .page-contact .mail-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .mail-note {
    padding: 32px 36px 34px;
  }

  .page-contact .collab__panel {
    padding: 40px 40px 44px;
  }

  .page-contact .visit__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 46px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .channel-card {
    padding: 28px 26px 30px;
  }

  .page-contact .prep__grid {
    gap: 72px;
  }
}

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