.page-contact {
  --pc-card-pad: 22px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact h2 {
  font-size: clamp(1.55rem, 4.6vw, 2.25rem);
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.page-contact h3 {
  font-size: 19px;
  line-height: 1.4;
  font-weight: 600;
  margin: 0 0 8px;
}

.page-contact p {
  margin: 0 0 12px;
}

.page-contact a {
  color: var(--lake);
  text-decoration-color: var(--earth);
  text-underline-offset: 3px;
}

.page-contact a:hover {
  color: var(--lake-deep);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 22px 0 46px;
  background: linear-gradient(180deg, rgba(211, 231, 241, 0.72) 0%, rgba(247, 240, 225, 0) 80%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 86%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 86%);
  pointer-events: none;
}

.page-contact .contact-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin-bottom: 24px;
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero h1 {
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.06;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 12px 0 16px;
  max-width: 22ch;
}

.page-contact .contact-lead {
  font-size: 17px;
  line-height: 1.8;
  max-width: 42em;
  margin-bottom: 26px;
}

.page-contact .contact-facts {
  display: grid;
  gap: 1px;
  margin: 0 0 22px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-facts > div {
  background: var(--paper);
  padding: 12px 16px;
}

.page-contact .contact-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-contact .contact-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--lake);
  word-break: break-word;
}

.page-contact .contact-hero-links {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  border-left: 3px solid var(--earth);
  padding-left: 14px;
  margin: 0;
}

.page-contact .contact-hero-media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--lake-pale);
  overflow: hidden;
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(0.98);
}

.page-contact .media-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  border-top: 1px solid var(--hair);
  margin-top: 0;
  padding: 8px 12px;
  line-height: 1.6;
}

/* ---------- 渠道 ---------- */
.page-contact .contact-channels {
  padding: 8px 0 54px;
}

.page-contact .channels-grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-channels .section-head {
  margin-bottom: 24px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: var(--pc-card-pad);
  background: var(--paper);
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-contact .channel-card .tag {
  margin-bottom: 12px;
}

.page-contact .channel-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.2vw, 1.28rem);
  font-weight: 600;
  color: var(--lake-deep);
  border-bottom: 2px solid var(--earth);
  padding-bottom: 3px;
  margin: 0 0 14px;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.page-contact .channel-card p {
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .channel-hint {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px dashed var(--hair);
  padding-top: 10px;
  margin: 0;
}

.page-contact .hours-panel {
  position: relative;
  overflow: hidden;
  padding: 24px 22px 26px;
  background: var(--lake);
  color: var(--cream);
}

.page-contact .hours-panel::before {
  content: "";
  position: absolute;
  top: -54px;
  right: -54px;
  width: 132px;
  height: 132px;
  background: rgba(247, 240, 225, 0.1);
  transform: rotate(45deg);
}

.page-contact .hours-panel .eyebrow {
  color: var(--earth);
  margin-bottom: 4px;
}

.page-contact .hours-big {
  position: relative;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 12vw, 3.3rem);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--flag-white);
  margin: 8px 0 8px;
}

.page-contact .hours-big span {
  color: var(--earth);
  padding: 0 0.05em;
}

.page-contact .hours-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(247, 240, 225, 0.74);
  margin: 0 0 18px;
}

.page-contact .hours-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .hours-list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 240, 225, 0.92);
}

.page-contact .hours-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--flag-yellow);
}

/* ---------- 准备 ---------- */
.page-contact .contact-prep {
  position: relative;
  padding: 50px 0 54px;
  background: var(--lake-pale);
}

.page-contact .contact-prep::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .contact-prep > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-prep .section-head {
  margin-bottom: 26px;
}

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

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 14px;
  padding: 18px 0 4px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--earth-deep);
  padding-top: 6px;
}

.page-contact .prep-list h3 {
  grid-column: 2;
  margin: 0 0 6px;
}

.page-contact .prep-list p {
  grid-column: 2;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
}

.page-contact .prep-side {
  background: var(--paper);
  border-top: 3px solid var(--earth);
  padding: 22px 20px 24px;
}

.page-contact .prep-side-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lake);
  margin: 0 0 14px;
}

.page-contact .type-map {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .type-map li {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--hair);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .type-map li span:last-child {
  flex: 1 1 180px;
  min-width: 0;
}

.page-contact .prep-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  border-left: 3px solid var(--flag-red);
  padding-left: 12px;
  margin: 0;
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow {
  padding: 54px 0 46px;
  position: relative;
}

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

.page-contact .flow-intro .section-lead {
  margin-bottom: 18px;
}

.page-contact .flow-links {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  border-top: 1px solid var(--hair);
  padding-top: 16px;
  margin: 0;
}

.page-contact .flow-line {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 26px;
  position: relative;
}

.page-contact .flow-line::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--lake) 0%, rgba(14, 90, 133, 0.18) 100%);
}

.page-contact .flow-step {
  position: relative;
  padding-bottom: 28px;
}

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

.page-contact .flow-dot {
  position: absolute;
  left: -25px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--lake);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .flow-step:hover .flow-dot,
.page-contact .flow-step:focus-within .flow-dot {
  background: var(--earth);
  border-color: var(--earth);
}

.page-contact .flow-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  margin: 0 0 4px;
}

.page-contact .flow-body h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.page-contact .flow-body p {
  font-size: 16px;
  line-height: 1.75;
  margin: 0 0 8px;
}

.page-contact .flow-note {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--lake-deep);
  background: var(--lake-pale);
  padding: 6px 10px;
  margin: 0;
}

/* ---------- 常见情形 ---------- */
.page-contact .contact-pitfalls {
  padding: 42px 0 52px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-pitfalls .section-head {
  margin-bottom: 24px;
}

.page-contact .pitfall-list {
  display: grid;
  gap: 12px;
}

.page-contact .pitfall {
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 4px solid var(--flag-red);
  padding: 4px 18px;
}

.page-contact .pitfall summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  padding: 14px 0;
  color: var(--ink);
}

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

.page-contact .pitfall summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--earth-deep);
  flex: none;
}

.page-contact .pitfall[open] summary::after {
  content: "－";
}

.page-contact .pitfall summary:focus-visible {
  outline: 2px solid var(--earth);
  outline-offset: 2px;
}

.page-contact .pitfall-body {
  padding: 0 0 16px;
  border-top: 1px dashed var(--hair);
}

.page-contact .pitfall-body p {
  font-size: 16px;
  line-height: 1.8;
  margin: 12px 0 0;
}

/* ---------- 对外联络 ---------- */
.page-contact .contact-partner {
  padding: 52px 0 56px;
}

.page-contact .partner-grid {
  display: grid;
  gap: 30px;
}

.page-contact .partner-intro .section-lead {
  margin-bottom: 16px;
}

.page-contact .partner-note {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--lake-deep);
  background: var(--lake-pale);
  padding: 12px 14px;
  margin: 0;
  overflow-wrap: anywhere;
}

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

.page-contact .partner-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 12px;
  padding: 18px 0 6px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .partner-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--earth-deep);
  margin: 0;
  padding-top: 3px;
}

.page-contact .partner-list h3 {
  grid-column: 2;
  margin: 0 0 6px;
}

.page-contact .partner-list p {
  grid-column: 2;
  font-size: 16px;
  line-height: 1.75;
  margin: 0 0 12px;
}

/* ---------- 收束区 ---------- */
.page-contact .contact-closing {
  position: relative;
  overflow: hidden;
  padding: 36px 0 42px;
  background: var(--lake-deep);
  color: var(--cream);
}

.page-contact .contact-closing::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(247, 240, 225, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(247, 240, 225, 0.07) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  pointer-events: none;
}

.page-contact .contact-closing > .shell {
  position: relative;
  z-index: 1;
}

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

.page-contact .closing-media {
  margin: 0;
}

.page-contact .closing-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(247, 240, 225, 0.28);
  filter: saturate(0.82) brightness(0.92);
}

.page-contact .closing-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(247, 240, 225, 0.6);
  padding-top: 8px;
}

.page-contact .contact-closing .eyebrow {
  color: var(--earth);
}

.page-contact .contact-closing h2 {
  color: var(--flag-white);
  margin-bottom: 14px;
}

.page-contact .closing-list {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
}

.page-contact .closing-list > div {
  border-top: 1px solid rgba(247, 240, 225, 0.24);
  padding-top: 10px;
}

.page-contact .closing-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(247, 240, 225, 0.62);
  margin-bottom: 4px;
}

.page-contact .closing-list dd {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--flag-white);
  overflow-wrap: anywhere;
}

.page-contact .closing-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 240, 225, 0.72);
  margin: 0 0 10px;
}

.page-contact .closing-back {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 240, 225, 0.86);
  margin: 0;
}

.page-contact .contact-closing a {
  color: var(--flag-yellow);
  text-decoration-color: rgba(233, 185, 60, 0.7);
}

.page-contact .contact-closing a:hover {
  color: var(--flag-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-list {
    gap: 18px;
  }

  .page-contact .contact-hero-media {
    max-width: 520px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 30px 0 58px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.82fr);
    align-items: end;
    gap: 48px;
  }

  .page-contact .contact-hero-media {
    max-width: none;
  }

  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .channels-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .flow-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .closing-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-closing {
    padding: 48px 0 54px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-lead {
    font-size: 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .flow-dot {
    transition-duration: 0.01ms;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}