.page-contact {
  --contact-hair: rgba(0, 229, 195, 0.22);
  --contact-deep-line: rgba(11, 61, 46, 0.14);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(0, 229, 195, 0.14) 0%, rgba(0, 229, 195, 0) 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0) 60%),
    var(--ink-deep);
  padding: calc(var(--header-h) + 56px) 0 56px;
  border-bottom: 1px solid var(--ink-line);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 107, 87, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 107, 87, 0.22) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 78%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-contact .contact-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-contact .contact-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid-line);
}

.page-contact .contact-hero .breadcrumb__link {
  color: var(--cyan-soft);
  text-decoration: none;
}

.page-contact .contact-hero .breadcrumb__link:hover {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-hero__num {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-hero__num span {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 9.2vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--cyan);
  display: inline-block;
  border-bottom: 6px solid var(--orange);
  padding-bottom: 2px;
}

.page-contact .contact-hero__lead {
  max-width: 34em;
  margin: 0 0 28px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .contact-hero__line {
  border: 2px solid var(--ink-line);
  border-left: 5px solid var(--orange);
  background: var(--ink);
  padding: 16px 18px 18px;
  box-shadow: var(--shadow-hard);
  max-width: 520px;
}

.page-contact .contact-hero__line-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.page-contact .contact-hero__phone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 7vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--orange);
  word-break: break-all;
}

.page-contact .contact-hero__line-note {
  margin: 10px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__media {
  margin: 0;
  align-self: stretch;
}

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

.page-contact .media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-top: 10px;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding: 56px 0;
  background: var(--paper);
  color: var(--ink);
}

.page-contact .section__head {
  margin-bottom: 30px;
}

.page-contact .section__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-contact .section__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 5.4vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .section__lead {
  max-width: 60ch;
  margin: 0;
  font-size: 0.9688rem;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .contact-channels .section__num,
.page-contact .contact-coop .section__num {
  color: #0b6b53;
}

.page-contact .contact-channels .section__title,
.page-contact .contact-coop .section__title,
.page-contact .contact-faq .section__title {
  color: var(--ink-deep);
}

.page-contact .contact-channels .section__lead,
.page-contact .contact-coop .section__lead,
.page-contact .contact-faq .section__lead {
  color: #3a6656;
}

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

.page-contact .channel-card {
  background: #ffffff;
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(11, 61, 46, 0.13);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .channel-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 rgba(11, 61, 46, 0.18);
}

.page-contact .channel-card--mail {
  border-color: #0b6b53;
  background: linear-gradient(180deg, #e6fbf5 0%, #ffffff 62%);
}

.page-contact .channel-card__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #5b8a79;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  line-height: 1.44;
  color: var(--ink-deep);
  word-break: break-word;
}

.page-contact .channel-card--mail .channel-card__value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  word-break: break-all;
  color: #074d3b;
}

.page-contact .contact-channel-phone {
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--orange);
}

.page-contact .contact-channel-address {
  font-size: 0.9375rem;
  font-weight: 700;
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 0.8438rem;
  line-height: 1.72;
  color: #3f6b5b;
}

.page-contact .channel-card__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .channel-card__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 9px;
  border-bottom: 1px dashed rgba(11, 61, 46, 0.16);
  font-size: 0.875rem;
  color: var(--ink-deep);
  font-weight: 600;
}

.page-contact .channel-card__facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .channel-card__facts .mono {
  flex: 0 0 auto;
  min-width: 74px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #6b9585;
  font-weight: 500;
}

/* ---------- 咨询分类 ---------- */
.page-contact .contact-topics {
  background: var(--ink);
  color: var(--text);
  padding: 56px 0 60px;
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--ink-line);
  border: 2px solid var(--ink-line);
}

.page-contact .topic-card {
  position: relative;
  background: var(--ink-mid);
  padding: 22px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 220ms var(--ease);
}

.page-contact .topic-card:hover {
  background: #135640;
}

.page-contact .topic-card__num {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .topic-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3125rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .topic-card__body {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.74;
  color: var(--text-dim);
}

.page-contact .topic-card__list {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--contact-hair);
  display: grid;
  gap: 8px;
}

.page-contact .topic-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #cfe9e0;
}

.page-contact .topic-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

/* ---------- 合作共创 ---------- */
.page-contact .contact-coop {
  background: var(--paper);
  color: var(--ink);
  padding: 56px 0 60px;
}

.page-contact .contact-coop__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-coop__lead {
  margin: 0 0 16px;
  font-size: 0.9688rem;
  line-height: 1.82;
  color: #2f5c4d;
  max-width: 58ch;
}

.page-contact .coop-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: rgba(11, 61, 46, 0.14);
  border-left: 4px solid #0b6b53;
}

.page-contact .coop-step {
  background: #ffffff;
  display: flex;
  gap: 14px;
  padding: 16px 16px 18px;
}

.page-contact .coop-step__num {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .coop-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--ink-deep);
}

.page-contact .coop-step p {
  margin: 0;
  font-size: 0.8438rem;
  line-height: 1.74;
  color: #3f6b5b;
}

.page-contact .contact-coop__media {
  margin: 0;
}

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

.page-contact .contact-coop__media .media__caption {
  color: #4a7566;
}

/* ---------- 响应流程 ---------- */
.page-contact .contact-flow {
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(0, 229, 195, 0.1) 0%, rgba(0, 229, 195, 0) 62%),
    var(--ink-deep);
  padding: 56px 0 58px;
  border-top: 1px solid var(--ink-line);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .flow-step {
  position: relative;
  padding-top: 24px;
  border-top: 2px solid var(--ink-line);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 11px;
  height: 11px;
  background: var(--cyan);
  transition: background 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .flow-step:hover::before {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 107, 53, 0.2);
}

.page-contact .flow-step__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan-soft);
  margin-bottom: 8px;
}

.page-contact .flow-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--text);
}

.page-contact .flow-step__body {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.76;
  color: var(--text-dim);
}

.page-contact .contact-flow__note {
  margin: 34px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--contact-hair);
  border-left: 4px solid var(--cyan);
  background: rgba(15, 76, 58, 0.5);
  font-size: 0.875rem;
  line-height: 1.78;
  color: #cfe9e0;
}

.page-contact .contact-flow__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

.page-contact .contact-flow__note a:hover {
  color: var(--orange-soft);
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  background: var(--paper);
  color: var(--ink);
  padding: 56px 0 60px;
}

.page-contact .faq-list {
  border-top: 2px solid var(--ink);
}

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

.page-contact .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-deep);
}

.page-contact .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: #0b6b53;
  transition: transform 200ms var(--ease);
}

.page-contact .faq-item[open] summary::after {
  content: "–";
  transform: rotate(180deg);
}

.page-contact .faq-item summary:hover {
  color: #0b6b53;
}

.page-contact .faq-item__body {
  padding: 0 0 20px;
}

.page-contact .faq-item__body p {
  margin: 0;
  font-size: 0.9062rem;
  line-height: 1.84;
  color: #3a6656;
  max-width: 60ch;
}

.page-contact .faq-item__body a {
  color: #0b6b53;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .faq-item__body a:hover {
  color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-cta {
  background: var(--ink);
  border-top: 1px solid var(--ink-line);
  padding: 48px 0 56px;
}

.page-contact .contact-cta__inner {
  display: grid;
  gap: 26px;
  align-items: end;
  border-left: 6px solid var(--orange);
  padding-left: 22px;
}

.page-contact .contact-cta__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 5.6vw, 2.4rem);
  line-height: 1.15;
  color: var(--text);
}

.page-contact .contact-cta__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

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

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

  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 84px) 0 84px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: 52px;
  }

  .page-contact .contact-channels,
  .page-contact .contact-topics,
  .page-contact .contact-coop,
  .page-contact .contact-flow,
  .page-contact .contact-faq {
    padding: 78px 0 82px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-coop__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .flow-step {
    padding: 26px 22px 0 0;
    border-top: 2px solid var(--ink-line);
  }

  .page-contact .flow-step:last-child {
    padding-right: 0;
  }

  .page-contact .contact-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 36px;
  }

  .page-contact .contact-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-contact .topic-card {
    padding: 28px 24px 30px;
  }

  .page-contact .channel-card {
    padding: 24px 20px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .topic-card,
  .page-contact .flow-step::before,
  .page-contact .faq-item summary::after {
    transition: none;
  }
}