.page-contact {
  --contact-shadow: 5px 5px 0 var(--rail-line);
  padding-bottom: 3.5rem;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-block: 1.25rem 0.25rem;
}

.page-contact .contact-crumbs .breadcrumbs {
  font-size: 0.78rem;
}

.page-contact .contact-crumbs .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .contact-crumbs .breadcrumbs a:hover,
.page-contact .contact-crumbs .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

.page-contact .contact-crumbs .breadcrumbs [aria-current="page"] {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: 1.5rem 3.25rem;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  top: -14%;
  height: 118%;
  background: linear-gradient(152deg, var(--ink-2) 0%, var(--ink-2) 46%, var(--teal) 128%);
  clip-path: polygon(0 0, 100% 5%, 90% 100%, 0 94%);
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -5rem;
  top: 8%;
  width: 15rem;
  height: 15rem;
  border: 1px solid rgba(31, 240, 210, 0.24);
  transform: rotate(18deg);
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
}

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

.page-contact .contact-hero__media {
  position: relative;
  aspect-ratio: 3 / 2;
  border: var(--line);
  box-shadow: var(--contact-shadow);
  overflow: hidden;
}

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

.page-contact .contact-card {
  position: relative;
  z-index: 2;
  margin: -2.75rem 0 0 0.85rem;
  background: var(--paper);
  color: var(--ink-2);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--rail-line);
  padding: 0.9rem 1rem 1rem;
}

.page-contact .contact-card .tag {
  margin: 0 0 0.4rem;
}

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

.page-contact .contact-card__row {
  display: grid;
  gap: 0.1rem;
  padding-block: 0.55rem;
  border-top: 1px dashed rgba(8, 16, 43, 0.25);
}

.page-contact .contact-card__row:first-of-type {
  border-top: 0;
  padding-top: 0.2rem;
}

.page-contact .contact-card__row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: #4a5578;
}

.page-contact .contact-card__row dd {
  margin: 0;
}

.page-contact .contact-card__val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__copy h1 {
  margin: 0.45rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 7.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-hero__accent {
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

/* ---------- 章节通用标题 ---------- */
.page-contact .contact-head {
  display: grid;
  gap: 0.55rem;
}

.page-contact .contact-head .chapter-mark {
  color: var(--cyan);
}

.page-contact .contact-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.14;
  color: var(--paper);
}

.page-contact .contact-head p {
  margin: 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 0.97rem;
  line-height: 1.78;
}

/* ---------- 联系方式卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.2rem 1.15rem 1.35rem;
  background: var(--ink-2);
  border: var(--line);
  border-left: 3px solid var(--cyan);
}

.page-contact .channel-card--phone {
  border-left-color: var(--orange);
}

.page-contact .channel-card .tag {
  margin: 0;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 4.2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-contact .channel-card .btn {
  margin-top: auto;
}

.page-contact .address-bar {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  background: var(--paper-2);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 3px 3px 0 var(--rail-line);
}

.page-contact .address-bar__cell {
  display: grid;
  gap: 0.15rem;
}

.page-contact .address-bar__key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: #5a5238;
}

.page-contact .address-bar__val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  border-top: var(--line);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.05rem 0;
  border-bottom: var(--line);
}

.page-contact .prep-num {
  display: inline-block;
  align-self: start;
  padding: 0.18rem 0.42rem;
  font-size: 0.76rem;
  color: var(--cyan);
  border: 1px solid var(--rail-line);
  background: rgba(31, 240, 210, 0.06);
}

.page-contact .prep-body h3 {
  margin: 0 0 0.28rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .prep-body p {
  margin: 0;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.75;
}

/* ---------- 服务范围 ---------- */
.page-contact .contact-service__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.75rem;
}

.page-contact .contact-service__img {
  position: relative;
  aspect-ratio: 9 / 7;
  border: var(--line);
  box-shadow: var(--contact-shadow);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
}

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

.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .scope-list li {
  padding-left: 0.85rem;
  border-left: 2px solid var(--violet);
}

.page-contact .scope-list strong {
  display: block;
  margin-bottom: 0.18rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  font-weight: 700;
}

.page-contact .scope-list span {
  display: block;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .contact-service__note {
  margin: 1.35rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--rail-line);
  color: var(--mist);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ---------- 合作与反馈 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.page-contact .partner-card {
  position: relative;
  padding: 1.15rem 1.1rem 1.4rem;
  background: var(--ink-2);
  border: var(--line);
}

.page-contact .partner-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
}

.page-contact .partner-card:nth-child(2)::after {
  background: linear-gradient(90deg, var(--orange), transparent 78%);
}

.page-contact .partner-card:nth-child(3)::after {
  background: linear-gradient(90deg, var(--violet), transparent 78%);
}

.page-contact .partner-card .tag {
  margin: 0 0 0.6rem;
}

.page-contact .partner-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.4;
}

.page-contact .partner-card p {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ---------- 问题分流 ---------- */
.page-contact .route-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem 1.05rem 1.2rem;
  border: var(--line);
  background: linear-gradient(180deg, rgba(29, 43, 92, 0.55), rgba(8, 16, 43, 0.18));
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), 6px 6px 0 rgba(31, 240, 210, 0.1);
}

.page-contact .route-card .tag {
  align-self: flex-start;
  margin: 0;
}

.page-contact .route-card h3 {
  margin: 0;
  font-size: 0.99rem;
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
}

.page-contact .route-card p {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.72;
}

.page-contact .route-card__arrow {
  margin-top: auto;
  padding-top: 0.5rem;
  color: var(--orange);
  display: inline-flex;
  transition: transform 0.18s var(--ease);
}

.page-contact .route-card:hover .route-card__arrow,
.page-contact .route-card:focus-visible .route-card__arrow {
  transform: translateX(4px);
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  margin-top: 1.5rem;
  border-top: var(--line);
}

.page-contact .contact-faq .disclosure {
  border-bottom: var(--line);
}

.page-contact .contact-faq summary {
  padding: 1rem 0;
  color: var(--paper);
  font-weight: 600;
  font-size: 0.97rem;
  cursor: pointer;
}

.page-contact .contact-faq .disclosure__body p {
  margin: 0 0 1rem;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.78;
  max-width: 66ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-card {
    margin-left: 1.75rem;
    margin-right: -0.5rem;
  }

  .page-contact .address-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: 2.25rem 4.5rem;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
    gap: 3rem;
  }

  .page-contact .contact-card {
    margin-top: -3.5rem;
    margin-left: 2.25rem;
    margin-right: 1.5rem;
  }

  .page-contact .contact-hero__lede {
    font-size: 1.04rem;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }

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

  .page-contact .contact-service__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1fr);
    align-items: start;
    gap: 2.75rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: end;
    column-gap: 3rem;
    row-gap: 0.6rem;
  }

  .page-contact .contact-head .chapter-mark {
    grid-column: 1 / -1;
  }

  .page-contact .contact-head h2 {
    margin: 0;
  }

  .page-contact .prep-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.5rem;
  }
}

@media (min-width: 1180px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .route-card__arrow {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible {
    transform: none;
  }

  .page-contact .route-card:hover .route-card__arrow,
  .page-contact .route-card:focus-visible .route-card__arrow {
    transform: none;
  }
}