.page-contact {
  --contact-glass: rgba(255, 255, 255, 0.94);
  --contact-line-soft: rgba(248, 242, 231, 0.22);
  display: block;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact__hero {
  padding: 28px 0 52px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(111, 199, 184, 0.18) 0%, rgba(111, 199, 184, 0) 58%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 74%, var(--paper-alt) 100%);
}

.page-contact__hero-frame {
  margin-top: 22px;
  background: rgba(255, 255, 255, 0.5);
}

.page-contact__hero-body {
  display: grid;
  gap: 26px;
  padding: 26px 20px 30px;
}

.page-contact__hero-copy h1 {
  margin: 8px 0 14px;
  font-size: clamp(30px, 7.4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--blue-deep);
}

.page-contact__hero-copy .lede {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact__quick {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  align-self: start;
}

.page-contact__quick li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.page-contact__quick .mono {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact__quick strong {
  font-weight: 700;
  color: var(--blue-deep);
  word-break: break-all;
}

/* ---------- 三条通道 ---------- */
.page-contact__channels {
  padding: 56px 0 60px;
  background: var(--blue-deep);
  color: var(--paper);
}

.page-contact__section-head h2 {
  margin: 8px 0 10px;
  font-size: clamp(21px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--blue-deep);
}

.page-contact__section-head > p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact__channels .page-contact__section-head .eyebrow {
  color: var(--sand);
}

.page-contact__channels .page-contact__section-head h2 {
  color: #ffffff;
}

.page-contact__channels .page-contact__section-head > p {
  color: rgba(248, 242, 231, 0.82);
}

.page-contact__channel-grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-contact__channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius);
  background: var(--contact-glass);
  color: var(--ink);
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.page-contact__channel:hover,
.page-contact__channel:focus-within {
  border-color: var(--coral);
  background: #ffffff;
  transform: translateY(-2px);
}

.page-contact__channel-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact__channel-title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--blue-deep);
}

.page-contact__channel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact__channel-value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  word-break: break-all;
  padding: 9px 11px;
  border-radius: 4px;
  background: var(--paper-alt);
  color: var(--blue-deep);
}

.page-contact__copy {
  align-self: flex-start;
  padding: 6px 15px;
  font: inherit;
  font-size: 13px;
  line-height: 1.5;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--blue-deep);
  cursor: pointer;
  transition: border-color 140ms ease, color 140ms ease, background 140ms ease;
}

.page-contact__copy:hover,
.page-contact__copy:focus-visible {
  border-color: var(--coral);
  color: var(--coral);
  background: rgba(242, 100, 60, 0.06);
}

.page-contact__copy--block {
  margin-top: 12px;
}

.page-contact__channel-link {
  align-self: flex-start;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  padding-bottom: 2px;
  transition: color 140ms ease;
}

.page-contact__channel-link:hover,
.page-contact__channel-link:focus-visible {
  color: var(--coral);
}

.page-contact__channel-art {
  margin: 34px 0 0;
}

.page-contact__channel-art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--contact-line-soft);
}

.page-contact__channel-art figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(248, 242, 231, 0.72);
}

/* ---------- 问题分流 ---------- */
.page-contact__routing {
  padding: 56px 0;
  background: var(--paper);
}

.page-contact__route-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact__route {
  display: grid;
  gap: 10px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.page-contact__route-num {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact__route-body h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  font-weight: 700;
  color: var(--blue-deep);
}

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

.page-contact__route-link {
  justify-self: start;
  align-self: start;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  padding-bottom: 2px;
  transition: color 140ms ease;
}

.page-contact__route-link:hover,
.page-contact__route-link:focus-visible {
  color: var(--coral);
}

/* ---------- 办公地址 ---------- */
.page-contact__visit {
  padding: 56px 0;
  background: var(--paper-alt);
}

.page-contact__visit-grid {
  display: grid;
  gap: 28px;
}

.page-contact__visit-copy h2 {
  margin: 8px 0 12px;
  font-size: clamp(21px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--blue-deep);
}

.page-contact__visit-copy > p {
  margin: 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact__address {
  margin-top: 24px;
  padding: 18px 18px 20px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, 0.72);
}

.page-contact__address-label {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact__address-text {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--blue-deep);
}

.page-contact__visit-note {
  margin-top: 22px;
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-contact__visit-note summary {
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-deep);
  padding-left: 20px;
  position: relative;
}

.page-contact__visit-note summary::-webkit-details-marker {
  display: none;
}

.page-contact__visit-note summary::before {
  content: "+";
  position: absolute;
  left: 0;
  top: -1px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--coral);
}

.page-contact__visit-note[open] summary::before {
  content: "–";
}

.page-contact__visit-note summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
  border-radius: 3px;
}

.page-contact__visit-note p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-contact__grid-art {
  margin: 0;
}

.page-contact__grid-art img {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-contact__grid-art figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 描述问题 ---------- */
.page-contact__describe {
  padding: 56px 0;
  background: var(--paper);
}

.page-contact__steps {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact__steps .solid-card__head .mono {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-contact__steps .solid-card__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-deep);
}

.page-contact__steps .solid-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 服务时间 ---------- */
.page-contact__hours {
  padding: 52px 0;
  background: var(--paper-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact__hours-grid {
  display: grid;
  gap: 26px;
}

.page-contact__hours-grid h2 {
  margin: 8px 0 10px;
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 700;
  color: var(--blue-deep);
}

.page-contact__hours-grid > div > p {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact__hours-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact__hours-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact__hours-list .mono {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact__hours-list strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-deep);
  text-align: right;
}

/* ---------- 合作与反馈 ---------- */
.page-contact__coop {
  padding: 56px 0 60px;
  background: var(--paper);
}

.page-contact__coop-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact__coop-card {
  padding: 24px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
  transition: border-color 160ms ease, background 160ms ease;
}

.page-contact__coop-card:hover,
.page-contact__coop-card:focus-within {
  border-color: var(--coral);
  background: rgba(255, 255, 255, 0.92);
}

.page-contact__coop-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-deep);
}

.page-contact__coop-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact__coop-mail {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.03em;
  word-break: break-all;
  color: var(--blue-deep);
}

/* ---------- 页尾索引 ---------- */
.page-contact__more {
  padding: 44px 0 60px;
  background: var(--paper-alt);
}

.page-contact__more-title {
  margin: 0 0 20px;
  font-size: clamp(18px, 3.4vw, 22px);
  font-weight: 700;
  color: var(--blue-deep);
}

.page-contact__index {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-contact__quick li {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-contact__hours-list li {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-contact__hours-list strong {
    text-align: left;
  }
}

@media (min-width: 760px) {
  .page-contact__channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact__coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact__hero {
    padding: 36px 0 64px;
  }

  .page-contact__hero-body {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 44px;
    padding: 40px 36px 42px;
  }

  .page-contact__channels,
  .page-contact__routing,
  .page-contact__visit,
  .page-contact__describe,
  .page-contact__coop {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .page-contact__hours {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .page-contact__route {
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: start;
    gap: 22px;
  }

  .page-contact__route-num {
    padding-top: 3px;
  }

  .page-contact__visit-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 48px;
  }

  .page-contact__grid-art {
    justify-self: end;
  }

  .page-contact__grid-art img {
    max-width: 100%;
  }

  .page-contact__hours-grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
    gap: 48px;
  }

  .page-contact__channel-art {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact__channel,
  .page-contact__coop-card,
  .page-contact__copy,
  .page-contact__channel-link,
  .page-contact__route-link {
    transition: none;
  }

  .page-contact__channel:hover,
  .page-contact__channel:focus-within {
    transform: none;
  }
}