.page-contact {
  --contact-hair: rgba(42, 58, 106, 0.72);
  --contact-violet-soft: rgba(124, 58, 237, 0.32);
  --contact-cyan-soft: rgba(34, 211, 238, 0.3);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ============ 首屏：章节预览式联络入口 ============ */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 2.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(120% 85% at 84% 0%, rgba(124, 58, 237, 0.3), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(34, 211, 238, 0.14), transparent 58%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-800) 100%);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.32;
}

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

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 23, 0.4) 0%, rgba(5, 8, 23, 0.94) 100%);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 1.1rem;
  max-width: 60rem;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 9vw, 4.75rem);
  line-height: 1.02;
  letter-spacing: 0.01em;
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.4rem;
  margin-top: 0.6rem;
}

.page-contact .contact-hero__clock {
  font-size: 0.8125rem;
  letter-spacing: 0.09em;
  color: var(--cyan);
  padding-left: 0.9rem;
  border-left: 2px solid var(--contact-cyan-soft);
}

/* ============ 通用节奏 ============ */
.page-contact .contact-channels,
.page-contact .contact-fix,
.page-contact .contact-faq-wrap {
  padding-block: clamp(3rem, 7vw, 5rem);
}

.page-contact .contact-channels .section-label,
.page-contact .contact-fix .section-label,
.page-contact .contact-faq-wrap .section-label,
.page-contact .contact-hours .section-label,
.page-contact .contact-compliance .section-label {
  margin-bottom: 0.9rem;
}

.page-contact .h-sec {
  margin: 0;
  max-width: 26ch;
}

/* ============ 01 联络牌 ============ */
.page-contact .contact-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.9rem;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.5rem 1.4rem;
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--contact-violet-soft);
}

.page-contact .contact-card:focus-within {
  border-color: var(--cyan);
}

.page-contact .contact-card__value {
  margin: 0;
  font-size: clamp(1rem, 4vw, 1.25rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  word-break: break-word;
  color: var(--text);
}

.page-contact .contact-card--mail .contact-card__value {
  color: var(--cyan);
}

.page-contact .contact-card--addr .contact-card__value {
  color: var(--amber);
}

.page-contact .contact-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .contact-copy {
  align-self: flex-start;
  margin-top: auto;
  padding: 0.55rem 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.38);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .contact-copy:hover {
  background: rgba(34, 211, 238, 0.18);
  border-color: var(--cyan);
  color: var(--text);
}

.page-contact .contact-copy:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.32);
}

.page-contact .contact-copy[data-copied] {
  color: var(--ok);
  border-color: var(--ok);
  background: rgba(52, 211, 153, 0.12);
}

/* ============ 02 受理时间轴 ============ */
.page-contact .contact-hours {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border-block: 1px solid var(--line);
}

.page-contact .contact-hours__lede {
  max-width: 62ch;
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-timeline {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 0 0 0 1.4rem;
  display: grid;
  gap: 1.6rem;
  border-left: 1px solid var(--contact-hair);
}

.page-contact .contact-timeline__item {
  position: relative;
  display: grid;
  gap: 0.4rem;
}

.page-contact .contact-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1.4rem - 4.5px);
  top: 0.42rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.16);
}

.page-contact .contact-timeline__time {
  font-size: 0.8125rem;
  letter-spacing: 0.07em;
  color: var(--cyan);
}

.page-contact .contact-timeline__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ============ 03 纠错与反馈 ============ */
.page-contact .contact-fix__layout {
  display: grid;
  gap: 2rem;
  margin-top: 1.9rem;
}

.page-contact .contact-fix__lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-contact .contact-steps {
  list-style: none;
  counter-reset: step;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.05rem;
}

.page-contact .contact-steps__item {
  counter-increment: step;
  position: relative;
  padding-left: 3.1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-steps__item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  padding: 0.2rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.2;
  letter-spacing: 0.08em;
  color: var(--violet);
  border: 1px solid var(--contact-violet-soft);
  border-radius: var(--radius-sm);
}

.page-contact .contact-scope {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-scope__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.09em;
  color: var(--amber);
}

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

/* ============ 04 合规与备案 ============ */
.page-contact .contact-compliance {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(70% 100% at 100% 0%, rgba(236, 72, 153, 0.12), transparent 60%),
    var(--ink-900);
  border-block: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-contact .contact-compliance__layout {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.9rem;
}

.page-contact .contact-compliance__card {
  padding: 1.6rem 1.5rem;
  border-radius: var(--radius);
  border-left: 3px solid var(--amber);
}

.page-contact .contact-compliance__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-soft);
}

.page-contact .contact-compliance__icp {
  margin: 0.6rem 0 0;
  font-size: clamp(1.0625rem, 4vw, 1.35rem);
  letter-spacing: 0.04em;
  word-break: break-word;
  color: var(--amber);
}

.page-contact .contact-compliance__text {
  margin: 1rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-compliance__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-compliance__link {
  display: grid;
  gap: 0.3rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-compliance__anchor {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
  transition: color 0.28s var(--ease);
}

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

.page-contact .contact-compliance__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ============ 05 常见联络问题 ============ */
.page-contact .contact-faq-wrap {
  padding-bottom: clamp(4rem, 9vw, 7rem);
}

.page-contact .contact-faq {
  margin: 1.9rem 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-faq__row {
  display: grid;
  gap: 0.5rem;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-faq dt {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  transition: color 0.3s var(--ease);
}

.page-contact .contact-faq dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-contact .contact-faq__row:hover dt {
  color: var(--cyan);
}

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

  .page-contact .contact-card--mail {
    grid-column: span 2;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-timeline__item {
    grid-template-columns: 13rem minmax(0, 1fr);
    align-items: baseline;
    column-gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-grid {
    grid-template-columns: 1.45fr 1fr 1fr;
    align-items: start;
    gap: 1.35rem;
  }

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

  .page-contact .contact-card:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-contact .contact-card--addr {
    margin-top: 3rem;
  }

  .page-contact .contact-compliance__layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-fix__layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-faq__row {
    grid-template-columns: minmax(0, 21rem) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-copy,
  .page-contact .contact-compliance__anchor,
  .page-contact .contact-faq dt {
    transition: none;
  }

  .page-contact .contact-card:hover {
    transform: none;
  }
}