.page-contact {
  --pc-edge: rgba(230, 247, 255, .11);
  --pc-panel: rgba(11, 34, 61, .72);
  --pc-rad: 18px;
  overflow-x: hidden;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: 26px 0 60px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  -webkit-mask-image: linear-gradient(118deg, rgba(0, 0, 0, .95) 0%, rgba(0, 0, 0, .4) 56%, transparent 92%);
  mask-image: linear-gradient(118deg, rgba(0, 0, 0, .95) 0%, rgba(0, 0, 0, .4) 56%, transparent 92%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: -30% -20% auto auto;
  z-index: -1;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, .22), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__lede {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--silver);
}

/* 超大邮箱主体 */
.page-contact .mail-block {
  position: relative;
  margin-top: 34px;
  padding: 22px 20px 24px;
  border: 1px solid var(--pc-edge);
  border-radius: var(--pc-rad);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, .12), rgba(11, 34, 61, .9) 44%, rgba(6, 20, 38, .94));
  box-shadow: 0 28px 64px -38px rgba(34, 211, 238, .75);
  overflow: hidden;
}

.page-contact .mail-block::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 48%, transparent 88%);
  opacity: .85;
}

.page-contact .mail-block__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--silver);
}

.page-contact .mail-block__address {
  display: block;
  margin: 10px 0 20px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1rem, 5vw, 3rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: opacity var(--t-fast) var(--ease);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-contact .mail-block__address {
    background: linear-gradient(94deg, var(--mist) 16%, var(--cyan) 82%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.page-contact .mail-block__address:hover {
  opacity: .82;
}

.page-contact .mail-block__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: .85rem;
  color: var(--silver);
}

.page-contact .hero-meta li {
  position: relative;
  padding-left: 15px;
}

.page-contact .hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(34, 211, 238, .9);
}

.page-contact .hero-meta .mono {
  color: var(--mist);
}

/* ---------- 通用小节 ---------- */
.page-contact .section-head__note {
  margin: 0;
  max-width: 42ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .filter-count {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--silver);
}

.page-contact .filter-count:empty {
  display: none;
}

/* ---------- 邮件咨询分类 ---------- */
.page-contact .contact-guide {
  padding: 58px 0;
}

.page-contact .guide-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .guide-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid var(--pc-edge);
  border-radius: var(--pc-rad);
  background: linear-gradient(168deg, rgba(11, 34, 61, .92), rgba(6, 20, 38, .96));
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-contact .guide-card:hover {
  border-color: rgba(34, 211, 238, .42);
  transform: translateY(-2px);
}

.page-contact .guide-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .guide-card__no {
  font-size: .8rem;
  color: rgba(159, 179, 200, .7);
  letter-spacing: .1em;
}

.page-contact .guide-card h3 {
  margin: 2px 0 0;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--mist);
}

.page-contact .guide-card__subject {
  margin: 0;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .guide-card__desc {
  margin: 0 0 4px;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .guide-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 电话预约 ---------- */
.page-contact .contact-call {
  padding: 6px 0 58px;
}

.page-contact .call-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 26px 22px 28px;
  border: 1px solid rgba(255, 138, 61, .26);
  border-radius: var(--pc-rad);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(255, 138, 61, .14), transparent 60%),
    var(--pc-panel);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .call-panel__head h2 {
  margin: 10px 0 0;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.3;
  color: var(--mist);
}

.page-contact .call-panel__lede {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .call-number {
  margin: 18px 0 0;
  font-size: clamp(1.5rem, 6vw, 2.3rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange);
  text-shadow: 0 0 26px rgba(255, 138, 61, .35);
}

.page-contact .call-steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: pccall;
}

.page-contact .call-steps li {
  position: relative;
  padding-left: 40px;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--silver);
  counter-increment: pccall;
}

.page-contact .call-steps li::before {
  content: counter(pccall, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(34, 211, 238, .12);
  border: 1px solid rgba(34, 211, 238, .3);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-place {
  padding: 0 0 58px;
}

.page-contact .place-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
  border: 1px solid var(--pc-edge);
  border-radius: var(--pc-rad);
  background: var(--ink-800);
}

.page-contact .place-card__info {
  padding: 26px 22px 28px;
}

.page-contact .place-card__info h2 {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  line-height: 1.3;
  color: var(--mist);
}

.page-contact .place-list {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
}

.page-contact .place-list > div {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .place-list dt {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--silver);
}

.page-contact .place-list dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .place-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .35);
}

.page-contact .place-link:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .place-region {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: .72rem;
  font-family: var(--font-body);
  color: var(--violet);
  background: rgba(167, 139, 250, .14);
  border: 1px solid rgba(167, 139, 250, .3);
}

.page-contact .place-note {
  margin: 18px 0 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .place-card__media {
  position: relative;
  min-height: 200px;
}

.page-contact .place-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  opacity: .78;
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-response {
  padding: 0 0 64px;
}

.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .acc {
  border: 1px solid var(--pc-edge);
  border-radius: 14px;
  background: rgba(11, 34, 61, .62);
  padding: 0 18px;
  transition: border-color var(--t-fast) var(--ease);
}

.page-contact .acc[open] {
  border-color: rgba(34, 211, 238, .34);
  background: rgba(11, 34, 61, .86);
}

.page-contact .acc summary {
  position: relative;
  padding: 17px 32px 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
}

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

.page-contact .acc summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--cyan);
}

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

.page-contact .acc__body {
  padding: 0 0 16px;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .acc__body p {
  margin: 0;
}

.page-contact .acc__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .35);
}

.page-contact .response-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 平板 ---------- */
@media (min-width: 680px) {
  .page-contact .guide-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .response-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 34px 0 84px;
  }

  .page-contact .contact-hero__lede {
    font-size: 1.05rem;
  }

  .page-contact .mail-block {
    margin-top: 40px;
    padding: 30px 34px 32px;
    border-radius: 22px;
  }

  .page-contact .mail-block__address {
    margin: 12px 0 24px;
  }

  .page-contact .contact-guide {
    padding: 84px 0;
  }

  .page-contact .guide-card {
    padding: 26px 26px 28px;
  }

  .page-contact .contact-call {
    padding: 0 0 84px;
  }

  .page-contact .call-panel {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 48px;
    padding: 40px 42px;
    border-radius: 22px;
  }

  .page-contact .contact-place {
    padding: 0 0 84px;
  }

  .page-contact .place-card {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-contact .place-card__info {
    padding: 40px 42px 42px;
  }

  .page-contact .place-card__media,
  .page-contact .place-card__media img {
    min-height: 380px;
  }

  .page-contact .place-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 26px;
  }

  .page-contact .contact-response {
    padding: 0 0 88px;
  }

  .page-contact .acc {
    padding: 0 22px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .guide-card,
  .page-contact .mail-block__address,
  .page-contact .acc {
    transition: none;
  }

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