/* ===== 联系我们 · page-contact ===== */
.page-contact {
  --pc-rule: rgba(199, 205, 212, 0.14);
  --pc-rule-gold: rgba(184, 137, 59, 0.38);
  --pc-glow: rgba(184, 137, 59, 0.14);
  --pc-jade-wash: rgba(63, 167, 154, 0.08);
  background: var(--ink);
  color: var(--silver);
  overflow-x: clip;
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-family: var(--font-head);
  color: var(--ivory);
  letter-spacing: -0.02em;
  line-height: 1.14;
}

.page-contact h1 { font-size: clamp(2.1rem, 6vw, 4.1rem); font-weight: 800; }
.page-contact h2 { font-size: clamp(1.5rem, 3.6vw, 2.4rem); font-weight: 700; }
.page-contact h3 { font-size: clamp(1.02rem, 1.8vw, 1.2rem); font-weight: 700; }

.page-contact p { margin: 0; }

.page-contact .breadcrumb { padding-top: clamp(1rem, 3vw, 1.75rem); }

/* —— 首屏：非对称双栏 —— */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3rem) 0 clamp(2.25rem, 6vw, 4rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -18%;
  width: min(720px, 92vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 68% 30%, var(--pc-glow), transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
}

.page-contact .contact-hero__lead .eyebrow {
  display: block;
  margin-bottom: 1rem;
}

.page-contact .eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .lede {
  margin-top: 1.15rem;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .contact-facts {
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-contact .contact-facts li {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: baseline;
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-contact .contact-facts__k {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--gold-dark);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.9rem;
}

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

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

.page-contact .media__caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* —— 区块骨架 —— */
.page-contact .contact-section {
  position: relative;
  padding: clamp(2rem, 5.5vw, 4.25rem) 0;
}

.page-contact .contact-section + .contact-section {
  border-top: var(--line);
}

.page-contact .contact-section__head {
  display: grid;
  gap: 0.8rem;
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .prose {
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--silver);
}

/* —— 联系信息板 —— */
.page-contact .contact-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-rule);
  border: var(--line);
}

.page-contact .contact-board__cell {
  position: relative;
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--carbon);
}

.page-contact .contact-board__cell::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), transparent 82%);
  opacity: 0.7;
}

.page-contact .contact-board__key {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .contact-board__val {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.5vw, 1.12rem);
  line-height: 1.55;
  color: var(--ivory);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-board__note {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-board .copy-btn {
  justify-self: start;
}

/* —— 邮件优先与工作时段 —— */
.page-contact .contact-channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3.5vw, 2.5rem);
}

.page-contact .contact-channel__main {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.page-contact .mail-checklist {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pc-rule);
  border: var(--line);
}

.page-contact .mail-checklist li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: clamp(0.95rem, 2.2vw, 1.35rem);
  background: var(--carbon);
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .mail-checklist .mono {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--copper);
  padding-top: 0.2rem;
}

.page-contact .mail-checklist strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--ivory);
  font-weight: 700;
}

.page-contact .contact-hours {
  display: grid;
  gap: 0.6rem;
  align-content: start;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: var(--line-gold);
  background:
    linear-gradient(155deg, rgba(184, 137, 59, 0.1), transparent 62%),
    var(--ink);
}

.page-contact .contact-hours__time {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.4vw, 2.15rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--copper);
}

.page-contact .contact-hours__days {
  font-size: 0.9rem;
  color: var(--ivory);
}

.page-contact .contact-hours__note {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-hours__list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--silver);
}

.page-contact .contact-hours__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: baseline;
}

/* —— 问题分类与准备清单 —— */
.page-contact .issue-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .issue-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-rule);
  border: var(--line);
}

.page-contact .issue {
  display: grid;
  gap: 0.65rem;
  align-content: start;
  padding: clamp(1.15rem, 2.6vw, 1.75rem);
  background: var(--carbon);
}

.page-contact .issue p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .issue__prep {
  list-style: none;
  margin: 0.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .issue__prep li::before {
  content: "— ";
  color: var(--gold-dark);
}

.page-contact .prep {
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border: var(--line);
  background: linear-gradient(180deg, var(--pc-jade-wash), transparent 58%);
  align-self: start;
}

.page-contact .prep__title {
  margin-top: 1.15rem;
  font-size: 1rem;
}

.page-contact .prep__list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
}

.page-contact .prep-item {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.66rem 0;
  border-bottom: 1px dashed var(--pc-rule);
  font-size: 0.89rem;
  line-height: 1.65;
  color: var(--silver);
  cursor: pointer;
}

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

.page-contact .prep-item input {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin: 0.28rem 0 0;
  border: 1px solid var(--pc-rule-gold);
  background: transparent;
  position: relative;
}

.page-contact .prep-item:hover input { border-color: var(--copper); }

.page-contact .prep-item input:checked {
  border-color: var(--jade);
  background: rgba(63, 167, 154, 0.16);
}

.page-contact .prep-item input:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--jade);
}

.page-contact .prep-item input:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

/* —— 合作与纠错 —— */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-rule);
  border: var(--line);
}

.page-contact .partner-card {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding: clamp(1.3rem, 3vw, 2.25rem);
  background: var(--ink);
}

.page-contact .partner-card p {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .partner-card a {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--copper);
  text-decoration: none;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid var(--pc-rule-gold);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .partner-card a:hover,
.page-contact .partner-card a:focus-visible {
  color: var(--ivory);
  border-color: var(--ivory);
}

/* —— 服务区域与备案 —— */
.page-contact .contact-record {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: var(--ivory);
  color: var(--ink);
}

.page-contact .contact-record h2 { color: var(--ink); }

.page-contact .contact-record .eyebrow { color: var(--gold-dark); }

.page-contact .contact-record__main p {
  margin-top: 0.9rem;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(11, 13, 16, 0.78);
}

.page-contact .contact-record__meta {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(11, 13, 16, 0.14);
  border: 1px solid rgba(11, 13, 16, 0.14);
  align-self: start;
}

.page-contact .contact-record__meta > div {
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  background: var(--ivory);
}

.page-contact .contact-record__meta dt {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--graphite);
  text-transform: uppercase;
}

.page-contact .contact-record__meta dd {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* —— 响应式 —— */
@media (min-width: 620px) {
  .page-contact .issue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .contact-record__meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 760px) {
  .page-contact .contact-board { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }
  .page-contact .contact-channel {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
  .page-contact .contact-record {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-contact .partner-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .page-contact .issue-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .partner-card a { transition: none; }
}
</main>