.page-contact {
  --co-gap: clamp(18px, 3.4vw, 32px);
  --co-pad: clamp(20px, 4vw, 34px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(38px, 7vw, 84px);
  background:
    radial-gradient(120% 96% at 90% 0%, rgba(34, 211, 238, .18), transparent 62%),
    radial-gradient(90% 80% at 4% 100%, rgba(242, 193, 78, .10), transparent 60%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 72%);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--co-gap);
}

.page-contact .contact-hero__intro {
  max-width: 62ch;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--cream);
}

.page-contact .contact-hero__title br {
  display: none;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

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

/* ---------- 联系卡片 ---------- */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .contact-card--phone::before { background: var(--gold); }
.page-contact .contact-card--hours::before { background: var(--moss); }

.page-contact .contact-card__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-card--phone .contact-card__tag { color: var(--gold); }
.page-contact .contact-card--hours .contact-card__tag { color: var(--moss); }

.page-contact .contact-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.4vw, 21px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--cream);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px dashed transparent;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .contact-card__value:hover,
.page-contact .contact-card__value:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 通用分区 ---------- */
.page-contact .contact-section {
  padding: clamp(46px, 8vw, 94px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-section--alt {
  background: linear-gradient(180deg, rgba(16, 42, 67, .62) 0%, rgba(10, 25, 41, 0) 100%);
}

.page-contact .contact-section--tail {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-section__head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4.4vw, 44px);
}

.page-contact .contact-section__head h2,
.page-contact .contact-feedback__text h2,
.page-contact .contact-address__text h2,
.page-contact .tail-panel__text h2 {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.16;
  letter-spacing: -.005em;
  color: var(--cream);
}

.page-contact .contact-section__intro,
.page-contact .contact-feedback__lead,
.page-contact .contact-address__note,
.page-contact .tail-panel__text p {
  margin: 14px 0 0;
  font-size: clamp(15px, 2vw, 16.5px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 反馈范围列表 ---------- */
.page-contact .scope-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--line);
  overflow: hidden;
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 20px;
  background: var(--ink-800);
}

.page-contact .scope-item__key {
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .scope-item__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--cream);
  opacity: .88;
}

/* ---------- 纠错说明 ---------- */
.page-contact .contact-feedback__grid,
.page-contact .contact-address__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--co-gap);
}

.page-contact .check-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--cream);
  opacity: .9;
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-contact .check-list li strong {
  color: var(--gold);
  font-weight: 600;
}

.page-contact .contact-feedback__foot {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .42);
  transition: border-color var(--dur) ease, color var(--dur) ease;
}

.page-contact .contact-inline-link:hover,
.page-contact .contact-inline-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .contact-feedback__media .figure-frame,
.page-contact .contact-address__media .figure-frame {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

/* ---------- 合作卡片 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .partner-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--co-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(16, 42, 67, .55);
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .partner-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42px;
  height: 42px;
  background: linear-gradient(225deg, rgba(34, 211, 238, .28), transparent 70%);
}

.page-contact .partner-card--author::after {
  background: linear-gradient(225deg, rgba(242, 193, 78, .30), transparent 70%);
}

.page-contact .partner-card--brand::after {
  background: linear-gradient(225deg, rgba(107, 143, 113, .34), transparent 70%);
}

.page-contact .partner-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-contact .partner-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(19px, 3.6vw, 23px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--cream);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .partner-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 211, 238, .5);
  padding-bottom: 2px;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .partner-card__link:hover,
.page-contact .partner-card__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 地址 ---------- */
.page-contact .contact-address__line {
  margin: 20px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--gold);
  background: rgba(242, 193, 78, .07);
  font-size: clamp(16px, 2.6vw, 19px);
  line-height: 1.6;
  color: var(--cream);
}

.page-contact .contact-address__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

/* ---------- 流程 ---------- */
.page-contact .process-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: none;
}

.page-contact .process-item {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(10, 25, 41, .58);
}

.page-contact .process-item__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .process-item h3 {
  margin: 8px 0 0;
  font-family: var(--font-cond);
  font-size: 19px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .process-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 尾部快速入口 ---------- */
.page-contact .tail-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  padding: var(--co-pad);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background:
    linear-gradient(140deg, rgba(34, 211, 238, .10) 0%, rgba(10, 25, 41, .2) 46%, rgba(242, 193, 78, .08) 100%),
    var(--ink-800);
}

.page-contact .tail-panel__text {
  max-width: 48ch;
}

.page-contact .tail-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .tail-link {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(10, 25, 41, .46);
  text-decoration: none;
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-contact .tail-link:hover,
.page-contact .tail-link:focus-visible {
  border-color: var(--cyan);
  transform: translateX(4px);
}

.page-contact .tail-link__key {
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .tail-link__desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist);
}

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

  .page-contact .contact-card--hours {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__title br {
    display: inline;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

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

  .page-contact .contact-card--mail {
    grid-column: 1 / -1;
  }

  .page-contact .scope-item {
    grid-template-columns: minmax(140px, 200px) minmax(0, 1fr);
    align-items: baseline;
    gap: 28px;
    padding: 20px 24px;
  }

  .page-contact .contact-feedback__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-feedback__media {
    margin-top: 44px;
  }

  .page-contact .contact-address__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

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

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

  .page-contact .process-item:nth-child(even) {
    margin-top: 22px;
  }

  .page-contact .tail-panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .partner-card,
  .page-contact .tail-link,
  .page-contact .contact-card__value,
  .page-contact .contact-inline-link {
    transition: none;
  }

  .page-contact .partner-card:hover,
  .page-contact .tail-link:hover,
  .page-contact .tail-link:focus-visible {
    transform: none;
  }
}