.page-contact {
  --pc-panel: var(--ink-800);
  --pc-hair: rgba(140, 151, 165, .32);
  --pc-ink-soft: rgba(16, 17, 20, .74);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 44px;
  background:
    radial-gradient(130% 90% at 8% 0%, rgba(56, 225, 212, .14), transparent 60%),
    radial-gradient(90% 70% at 100% 18%, rgba(181, 106, 74, .12), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 8.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--cream);
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.82;
  color: var(--cream-dim);
}

.page-contact .contact-lanes {
  display: grid;
  gap: 2px;
  border: 2px solid var(--line-strong);
  background: var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-lane {
  display: grid;
  gap: 8px;
  padding: 18px 16px 20px;
  background: var(--pc-panel);
  outline: 2px solid transparent;
  outline-offset: -2px;
  transition: background .18s var(--ease), outline-color .18s var(--ease);
}

.page-contact .contact-lane:hover {
  background: var(--ink-950);
  outline-color: var(--orange);
}

.page-contact .contact-lane:focus-within {
  background: var(--ink-950);
  outline-color: var(--orange);
}

.page-contact .contact-lane__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-contact .contact-lane__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 19px);
  line-height: 1.5;
  letter-spacing: .015em;
  color: var(--cream);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-lane__meta {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--cream-soft);
}

.page-contact .contact-copy {
  justify-self: start;
  margin-top: 4px;
  padding: 8px 14px;
  border: 2px solid var(--orange);
  background: transparent;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}

.page-contact .contact-copy:hover {
  background: var(--orange-wash);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-warm);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-hero__media {
  margin: 30px 0 0;
}

.page-contact .media__frame {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--line-strong);
  background: var(--ink-950);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-hero__media .media__frame {
  aspect-ratio: 16 / 9;
}

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

.page-contact .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding: 56px 0 48px;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 17px 22px;
  border: 2px solid var(--line-strong);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  box-shadow: var(--shadow-hard);
  outline: 2px solid transparent;
  outline-offset: 0;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), outline-color .18s var(--ease);
}

.page-contact .contact-channel:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 rgba(0, 0, 0, .5);
  outline-color: var(--line-strong);
}

.page-contact .contact-channel__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .contact-channel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .015em;
  color: var(--cream);
}

.page-contact .contact-channel__value {
  margin: 0;
  padding: 9px 11px;
  border-left: 2px solid var(--cyan);
  background: var(--cyan-wash);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-channel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .contact-channel li {
  position: relative;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--cream-soft);
}

.page-contact .contact-channel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  background: var(--clay);
}

/* ---------- 反馈要素 ---------- */
.page-contact .contact-feedback {
  padding: 8px 0 56px;
}

.page-contact .contact-feedback__wrap {
  padding: 26px 18px 28px;
  border: 2px solid var(--line-strong);
  background: var(--cream);
  color: var(--ink-950);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-feedback__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--clay);
}

.page-contact .contact-feedback__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 6.6vw, 38px);
  line-height: 1.12;
  letter-spacing: -.008em;
  color: var(--ink-950);
}

.page-contact .feedback-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .feedback-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(16, 17, 20, .18);
}

.page-contact .feedback-step__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: .05em;
  color: var(--clay);
}

.page-contact .feedback-step h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .012em;
  color: var(--ink-950);
}

.page-contact .feedback-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--pc-ink-soft);
}

.page-contact .mail-subjects {
  margin-top: 28px;
  padding: 20px 17px 22px;
  border: 2px solid var(--line-strong);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-contact .mail-subjects__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .015em;
  color: var(--cream);
}

.page-contact .mail-subjects ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .mail-subjects li {
  display: grid;
  gap: 7px;
  align-items: center;
}

.page-contact .mail-subjects li .tag {
  justify-self: start;
}

.page-contact .mail-subjects code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .mail-subjects__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--stone);
}

/* ---------- 回复时段与处理顺序 ---------- */
.page-contact .contact-response {
  padding: 56px 0 52px;
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-response__grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

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

.page-contact .response-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line-strong);
}

.page-contact .response-flow__item {
  display: grid;
  gap: 8px;
  padding: 18px 0 20px;
  border-bottom: 2px solid var(--line-strong);
}

.page-contact .response-flow__rank {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--clay);
}

.page-contact .response-flow__item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .012em;
  color: var(--cream);
}

.page-contact .response-flow__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--cream-dim);
}

.page-contact .response-flow__item .link-more {
  color: var(--cyan);
  font-size: 14px;
  white-space: nowrap;
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .contact-region {
  padding: 52px 0 58px;
}

.page-contact .contact-region h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 6.4vw, 36px);
  line-height: 1.14;
  letter-spacing: -.008em;
  color: var(--cream);
}

.page-contact .contact-region p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--cream-dim);
}

.page-contact .contact-region__pills {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .contact-region__pills .pill {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 2px solid var(--line-strong);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cream-dim);
  white-space: nowrap;
}

.page-contact .contact-region__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-top: 28px;
}

.page-contact .contact-region__actions .link-more {
  font-size: 14px;
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (max-width: 400px) {
  .page-contact .contact-lane,
  .page-contact .contact-channel,
  .page-contact .mail-subjects,
  .page-contact .contact-feedback__wrap {
    padding-left: 14px;
    padding-right: 14px;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding-top: calc(var(--header-h) + 42px);
    padding-bottom: 56px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 42px;
    align-items: end;
  }

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

  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .contact-feedback__wrap {
    padding: 34px 34px 36px;
  }

  .page-contact .mail-subjects {
    padding: 26px 30px 28px;
  }

  .page-contact .mail-subjects li {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 16px;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .response-flow__item {
    padding: 20px 0 22px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .contact-lanes {
    box-shadow: 8px 8px 0 rgba(0, 0, 0, .48);
  }

  .page-contact .contact-channel {
    padding: 24px 22px 26px;
  }

  .page-contact .contact-feedback__wrap {
    padding: 40px 46px 44px;
  }

  .page-contact .feedback-step {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 18px;
    padding: 18px 0;
  }

  .page-contact .contact-region {
    padding: 62px 0 70px;
  }
}