.page-contact {
  --paper-card: #FBF6EC;
  --paper-line: rgba(34, 26, 20, .14);
  --contact-top: calc(var(--header-h) + 48px);
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
}

.page-contact .crumb-sep {
  color: var(--muted);
  font-family: var(--font-mono);
  padding: 0 6px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: var(--contact-top) 0 56px;
  background:
    radial-gradient(110% 78% at 88% -10%, rgba(198, 255, 61, .12), transparent 62%),
    linear-gradient(180deg, var(--ink-1) 0%, var(--ink-0) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 58, 82, .55) 0 1px, transparent 1px 118px),
    repeating-linear-gradient(0deg, rgba(42, 58, 82, .35) 0 1px, transparent 1px 118px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

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

.page-contact .contact-hero-copy .breadcrumbs {
  margin-bottom: 22px;
}

.page-contact .contact-hero-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact .contact-hero-copy h1 {
  margin: 0 0 20px;
  color: var(--text);
}

.page-contact .contact-hero-copy .lead {
  color: #C9D4E4;
  max-width: 56ch;
}

.page-contact .contact-hero-points {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .contact-hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lime);
}

.page-contact .contact-hero-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-hero-figure .figure-media,
.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 46px;
}

.page-contact .channel-card {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-1);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--lime);
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.page-contact .channel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .16);
}

.page-contact .channel-card--phone .channel-dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(123, 224, 198, .16);
}

.page-contact .channel-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .channel-title {
  margin: 0 0 14px;
  font-size: 1.15rem;
  line-height: 1.45;
  color: var(--text);
  font-weight: 700;
}

.page-contact .channel-address {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 1.4rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .channel-card--phone .channel-address {
  color: var(--cyan);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-meta {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 9px;
}

.page-contact .channel-meta div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.page-contact .channel-meta dt {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .channel-meta dd {
  margin: 0;
  font-size: 13px;
  color: var(--text);
  text-align: right;
}

/* ---------- 奶油纸阅读区 ---------- */
.page-contact .contact-paper {
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: 52px 0 68px;
}

.page-contact .contact-paper-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-contact .paper-block + .paper-block {
  margin-top: 44px;
}

.page-contact .paper-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--lime-deep);
}

.page-contact .paper-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.32rem, 3.6vw, 1.72rem);
  line-height: 1.42;
  color: var(--paper-ink);
  font-weight: 700;
}

.page-contact .paper-text {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper-ink);
  max-width: 62ch;
}

.page-contact .paper-text:last-child {
  margin-bottom: 0;
}

.page-contact .paper-text a,
.page-contact .paper-foot a {
  color: var(--lime-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .paper-text a:hover,
.page-contact .paper-foot a:hover {
  color: var(--paper-ink);
}

/* 邮件四件事 */
.page-contact .mail-clicks {
  counter-reset: mc;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .mail-clicks li {
  counter-increment: mc;
  position: relative;
  padding: 18px 20px 18px 56px;
  border-radius: var(--r-md);
  background: var(--paper-card);
  border: 1px solid var(--paper-line);
}

.page-contact .mail-clicks li::before {
  content: counter(mc, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime-deep);
}

.page-contact .mail-clicks strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
  color: var(--paper-ink);
}

.page-contact .mail-clicks span {
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-muted);
}

/* 纠错步骤 */
.page-contact .fix-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin: 26px 0 0;
}

.page-contact .fix-step {
  position: relative;
  padding-top: 20px;
  border-top: 1px dashed rgba(34, 26, 20, .32);
}

.page-contact .fix-step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--lime-deep);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .42);
}

.page-contact .fix-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-ink);
}

.page-contact .fix-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-muted);
}

.page-contact .fix-figure {
  margin: 28px 0 0;
}

.page-contact .fix-figure .figure-media,
.page-contact .fix-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-contact .fix-figure .figure-caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper-muted);
}

/* 信息表 */
.page-contact .contact-table {
  margin: 22px 0 0;
  border: 1px solid var(--paper-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--paper-card);
}

.page-contact .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--paper-line);
}

.page-contact .contact-row:last-child {
  border-bottom: 0;
}

.page-contact .contact-row dt {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--paper-muted);
}

.page-contact .contact-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-contact .contact-row dd.mono {
  font-family: var(--font-mono);
  font-size: 14.5px;
}

.page-contact .paper-foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-muted);
  max-width: 62ch;
}

/* ---------- 回拨小卡 ---------- */
.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .callback-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-1);
  color: var(--text);
  padding: 26px 22px;
}

.page-contact .callback-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-contact .callback-title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.45;
  color: var(--text);
  font-weight: 700;
}

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

.page-contact .callback-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .callback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .callback-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .callback-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease);
}

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

.page-contact .callback-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .mail-clicks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .fix-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
    padding: 16px 20px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    margin-top: 52px;
  }

  .page-contact .channel-card {
    padding: 30px 28px 28px;
  }

  .page-contact .channel-card--phone {
    margin-top: 32px;
  }

  .page-contact .contact-hero {
    padding-bottom: 84px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-contact .contact-paper {
    padding: 68px 0 88px;
  }

  .page-contact .contact-paper-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-h-stuck) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .callback-link {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}