.page-contact {
  --c-hair: rgba(154, 166, 196, 0.18);
  --c-hair-cyan: rgba(52, 229, 255, 0.32);
  display: block;
  background: var(--space);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--mast-h) + 44px) 0 46px;
  background:
    radial-gradient(120% 82% at 6% -12%, rgba(139, 92, 246, 0.32), transparent 60%),
    radial-gradient(90% 72% at 96% 4%, rgba(52, 229, 255, 0.16), transparent 64%),
    var(--space);
}

.page-contact .contact-hero__field {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(154, 166, 196, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(154, 166, 196, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
}

.page-contact .contact-hero__index {
  margin: 24px 0 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(1.85rem, 7.6vw, 4.4rem);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__title-em {
  display: inline-block;
  font-weight: 700;
  color: var(--cyan);
  background: linear-gradient(96deg, var(--cyan), var(--violet-soft));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-contact .contact-hero__lede {
  max-width: 64ch;
  margin: 24px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .contact-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.page-contact .contact-hero__jumplink {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid var(--c-hair);
  font-size: 0.875rem;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-contact .contact-hero__jumplink:hover,
.page-contact .contact-hero__jumplink:focus-visible {
  border-color: var(--c-hair-cyan);
  color: var(--white);
  background: rgba(52, 229, 255, 0.07);
}

.page-contact .contact-hero__jumpnum {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channel {
  padding: 6px 0 68px;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-contact .channel-lead {
  display: flex;
  flex-direction: column;
  gap: 30px;
  min-width: 0;
}

.page-contact .channel-lead__head .section__title {
  margin-top: 10px;
}

.page-contact .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--muted);
}

.page-contact .dot--ember {
  background: var(--ember);
}

.page-contact .dot--cyan {
  background: var(--cyan);
}

.page-contact .channel-mail__tag,
.page-contact .channel-tel__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-mail__addr {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 2.4rem);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
  text-decoration: none;
  word-break: break-all;
  overflow-wrap: anywhere;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-hair);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel-mail__addr:hover,
.page-contact .channel-mail__addr:focus-visible {
  color: var(--cyan);
  border-color: var(--c-hair-cyan);
}

.page-contact .channel-mail__note,
.page-contact .channel-tel__note {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .channel-tel__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 6.4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .channel-tel__num:hover,
.page-contact .channel-tel__num:focus-visible {
  color: var(--white);
}

.page-contact .channel-hours {
  padding: 18px 20px;
  border: 1px solid var(--c-hair);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(115deg, rgba(52, 229, 255, 0.08), transparent 72%);
}

.page-contact .channel-hours__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-hours__value {
  margin: 8px 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 4.6vw, 1.7rem);
  font-weight: 500;
  color: var(--white);
}

.page-contact .channel-hours__meta {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* 右侧场景索引 */
.page-contact .channel-scenes {
  min-width: 0;
  padding: 22px 20px 8px;
  border: 1px solid var(--c-hair);
  background: var(--panel);
}

.page-contact .channel-scenes__title {
  margin: 0 0 16px;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

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

.page-contact .scene-item {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--c-hair);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .scene-item:hover {
  transform: translateX(4px);
  border-color: var(--c-hair-cyan);
}

.page-contact .scene-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .scene-item__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .channel-visual {
  margin-top: 40px;
}

/* ---------- 通用图片占位 ---------- */
.page-contact .figure__frame {
  border: 1px solid var(--c-hair);
  background: var(--panel);
}

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

.page-contact .figure__caption {
  margin-top: 12px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 反馈处理流程（奶油纸） ---------- */
.page-contact .contact-flow {
  padding: 0 0 60px;
}

.page-contact .contact-flow__paper {
  padding: 32px 22px 36px;
  background: var(--cream);
  color: var(--ink);
}

.page-contact .contact-flow__paper .paper__label {
  color: var(--ember);
}

.page-contact .contact-flow__paper .paper__title {
  margin: 10px 0 14px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.25;
}

.page-contact .contact-flow__paper .paper__text {
  color: rgba(43, 29, 20, 0.76);
  line-height: 1.85;
}

.page-contact .contact-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .contact-flow__col {
  min-width: 0;
}

.page-contact .contact-flow__media {
  min-width: 0;
}

.page-contact .contact-flow__media .figure__frame {
  border-color: rgba(43, 29, 20, 0.2);
  background: rgba(43, 29, 20, 0.08);
}

.page-contact .contact-flow__media .figure__caption {
  color: rgba(43, 29, 20, 0.62);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid rgba(43, 29, 20, 0.2);
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(43, 29, 20, 0.2);
}

.page-contact .flow-step__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--ember);
}

.page-contact .flow-step__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(43, 29, 20, 0.76);
}

/* ---------- 数据纠错通道 ---------- */
.page-contact .contact-correction {
  padding: 0 0 60px;
}

.page-contact .contact-correction__panel {
  padding: 30px 22px 34px;
  border: 1px solid var(--c-hair);
  background:
    radial-gradient(95% 120% at 100% 0%, rgba(139, 92, 246, 0.24), transparent 62%),
    var(--panel);
}

.page-contact .contact-correction__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-contact .contact-correction__intro {
  min-width: 0;
}

.page-contact .contact-correction__panel .panel__text + .panel__text {
  margin-top: 14px;
}

.page-contact .correction-spec {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--c-hair);
  border-top: 3px solid var(--ember);
  background: rgba(10, 16, 36, 0.5);
}

.page-contact .correction-spec__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

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

.page-contact .correction-list li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-top: 1px solid var(--c-hair);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .correction-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 6px;
  height: 6px;
  background: var(--ember);
}

.page-contact .correction-spec__foot {
  margin: 16px 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 建议与合作 ---------- */
.page-contact .contact-open {
  padding: 0 0 60px;
}

.page-contact .section__lede .inline-link,
.page-contact .panel__text .inline-link,
.page-contact .open-card__text .inline-link,
.page-contact .visit-privacy .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-hair-cyan);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .section__lede .inline-link:hover,
.page-contact .panel__text .inline-link:hover,
.page-contact .open-card__text .inline-link:hover,
.page-contact .visit-privacy .inline-link:hover,
.page-contact .section__lede .inline-link:focus-visible,
.page-contact .panel__text .inline-link:focus-visible,
.page-contact .open-card__text .inline-link:focus-visible,
.page-contact .visit-privacy .inline-link:focus-visible {
  color: var(--white);
  border-color: var(--white);
}

.page-contact .open-grid {
  margin-top: 28px;
  gap: 18px;
}

.page-contact .open-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 26px;
  border: 1px solid var(--c-hair);
  border-top: 3px solid var(--violet);
  background: rgba(18, 28, 61, 0.72);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .open-card:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-contact .open-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-hair-cyan);
  box-shadow: 0 0 0 1px rgba(52, 229, 255, 0.16);
}

.page-contact .open-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-contact .open-card__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .open-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .open-card__btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-visit {
  padding: 0 0 68px;
}

.page-contact .contact-visit__paper {
  padding: 30px 22px 32px;
  background: var(--cream);
  color: var(--ink);
}

.page-contact .contact-visit__paper .paper__label {
  color: var(--ember);
}

.page-contact .contact-visit__paper .paper__title {
  margin: 10px 0 16px;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.25;
}

.page-contact .contact-visit__paper .paper__text {
  margin: 12px 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(43, 29, 20, 0.76);
}

.page-contact .contact-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-contact .visit-address {
  margin: 0 0 4px;
  font-size: clamp(1.125rem, 4.6vw, 1.6rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .visit-meta {
  min-width: 0;
  border-top: 1px solid rgba(43, 29, 20, 0.22);
}

.page-contact .visit-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(43, 29, 20, 0.22);
}

.page-contact .visit-row__key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: rgba(43, 29, 20, 0.6);
}

.page-contact .visit-row__val {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .visit-privacy {
  margin: 16px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(43, 29, 20, 0.72);
}

.page-contact .visit-privacy .inline-link {
  color: #1F4E8C;
  border-color: rgba(31, 78, 140, 0.4);
}

.page-contact .visit-privacy .inline-link:hover,
.page-contact .visit-privacy .inline-link:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .flow-step {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .flow-step__num {
    padding-top: 3px;
  }

  .page-contact .visit-row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
  }

  .page-contact .visit-row__key {
    flex: none;
  }

  .page-contact .visit-row__val {
    text-align: right;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero {
    padding: calc(var(--mast-h) + 72px) 0 68px;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .channel-scenes {
    position: sticky;
    top: calc(var(--mast-h) + 24px);
  }

  .page-contact .contact-correction__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-flow__paper,
  .page-contact .contact-visit__paper {
    padding: 44px 46px 48px;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

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

  .page-contact .contact-correction__panel {
    padding: 42px 44px 46px;
  }

  .page-contact .channel-visual {
    margin-top: 52px;
  }

  .page-contact .open-grid {
    gap: 24px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__title {
    max-width: 16ch;
  }

  .page-contact .contact-hero__lede {
    margin-top: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scene-item,
  .page-contact .open-card,
  .page-contact .contact-hero__jumplink,
  .page-contact .channel-mail__addr,
  .page-contact .channel-tel__num {
    transition: none;
  }

  .page-contact .scene-item:hover,
  .page-contact .open-card:hover {
    transform: none;
  }
}