/* ============ page-contact 作用域 ============ */
.page-contact {
  --pc-gap: clamp(1rem, 2.2vw, 1.6rem);
  --pc-card-bg: linear-gradient(180deg, rgba(18, 38, 58, 0.92), rgba(11, 27, 42, 0.94));
  --pc-card-bd: var(--line);
  --pc-card-shadow: 0 18px 34px -30px rgba(7, 19, 31, 0.9);
  --pc-muted-on-paper: rgba(20, 32, 43, 0.7);
  --pc-line-on-paper: rgba(20, 32, 43, 0.16);
  --pc-soft-on-paper: rgba(20, 32, 43, 0.05);
}

.page-contact .contact-crumbs {
  padding-top: 1.25rem;
  padding-bottom: 0.25rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-contact .contact-hero-copy > * + * {
  margin-top: 1.1rem;
}

.page-contact .contact-hero-copy .lede {
  max-width: 56ch;
}

.page-contact .contact-hero-actions {
  margin-top: 1.4rem;
}

.page-contact .contact-quick {
  display: grid;
  gap: 0.55rem;
  margin: 1.6rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-quick-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.9rem;
  min-width: 0;
}

.page-contact .contact-quick dt {
  flex: none;
  min-width: 4.5rem;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-contact .contact-quick dd {
  margin: 0;
  min-width: 0;
  font-size: 0.9375rem;
  color: var(--cyan-400);
  word-break: break-all;
}

.page-contact .contact-hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 240px;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at 50% 46%, rgba(47, 230, 200, 0.12), transparent 64%),
    linear-gradient(158deg, rgba(18, 38, 58, 0.92), rgba(7, 19, 31, 0.96));
  overflow: hidden;
}

.page-contact .contact-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(168, 184, 198, 0.06) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(168, 184, 198, 0.06) 0 1px, transparent 1px 24px);
}

.page-contact .contact-hero-visual svg {
  position: relative;
  z-index: 1;
  width: min(86%, 360px);
  height: auto;
  animation: pc-breathe 6s var(--ease) infinite;
}

@keyframes pc-breathe {
  0%, 100% { opacity: 0.72; }
  50% { opacity: 1; }
}

/* ---------- 区块标题 ---------- */
.page-contact .section-head {
  max-width: 62ch;
}

/* ---------- 01 联系方式总览 ---------- */
.page-contact .contact-channels-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 3.5vw, 2.4rem);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-width: 0;
  padding: clamp(1.05rem, 2.3vw, 1.6rem);
  border: 1px solid var(--pc-card-bd);
  border-radius: var(--radius-sm);
  background: var(--pc-card-bg);
  box-shadow: var(--pc-card-shadow);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-card:hover {
  border-color: rgba(47, 230, 200, 0.42);
  transform: translateY(-2px);
}

.page-contact .contact-card h3 {
  margin: 0;
  font-size: var(--fs-h3);
  color: var(--text-primary);
}

.page-contact .contact-card > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-contact .contact-card-value {
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--cyan-400) !important;
  word-break: break-all;
}

.page-contact .contact-card-addr {
  color: var(--text-primary) !important;
  line-height: 1.7;
}

.page-contact .contact-copy {
  align-self: flex-start;
  margin-top: auto;
}

.page-contact .contact-channel-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-channel-figure .media-cap {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---------- 02 账号异常与申诉 ---------- */
.page-contact .contact-appeal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  align-items: start;
}

.page-contact .contact-appeal-intro > * + * {
  margin-top: 1rem;
}

.page-contact .contact-appeal-intro .callout p {
  margin: 0;
  line-height: 1.75;
}

.page-contact .contact-appeal-note {
  font-size: 0.875rem;
  color: var(--pc-muted-on-paper);
}

.page-contact .contact-appeal-note a {
  color: var(--cyan-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-appeal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .contact-appeal-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: clamp(0.95rem, 2vw, 1.25rem);
  border: 1px solid var(--pc-line-on-paper);
  border-left: 3px solid var(--cyan-600);
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.55);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .contact-appeal-list li:hover {
  border-color: rgba(20, 168, 154, 0.5);
  border-left-color: var(--cyan-600);
  background: rgba(255, 255, 255, 0.85);
}

.page-contact .contact-appeal-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--pc-line-on-paper);
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  color: var(--text-on-paper);
  background: var(--pc-soft-on-paper);
}

.page-contact .contact-appeal-list h3 {
  margin: 0 0 0.3rem;
  font-size: 1.0625rem;
  color: var(--text-on-paper);
}

.page-contact .contact-appeal-list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pc-muted-on-paper);
}

/* ---------- 03 合作与回访 ---------- */
.page-contact .contact-coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.4rem);
}

.page-contact .contact-drawer {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(18, 38, 58, 0.86), rgba(11, 27, 42, 0.92));
  transition: border-color var(--dur) var(--ease);
}

.page-contact .contact-drawer:hover,
.page-contact .contact-drawer:focus-within {
  border-color: rgba(47, 230, 200, 0.38);
}

.page-contact .contact-drawer .drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(0.95rem, 2vw, 1.25rem) clamp(1rem, 2.2vw, 1.5rem);
}

.page-contact .contact-drawer .drawer-head h3 {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text-primary);
}

.page-contact .contact-drawer .drawer-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex: none;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .contact-drawer .drawer-toggle:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.page-contact .contact-drawer .drawer-toggle:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-contact .contact-drawer .drawer-body {
  padding: 0 clamp(1rem, 2.2vw, 1.5rem) clamp(1rem, 2.2vw, 1.4rem);
  border-top: 1px solid var(--line);
}

.page-contact .contact-drawer .drawer-body p {
  margin: 1rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-muted);
}

/* ---------- 04 到访与地址 ---------- */
.page-contact .contact-visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-contact .contact-visit-copy > * + * {
  margin-top: 1rem;
}

.page-contact .contact-visit-copy p {
  color: var(--text-muted);
  line-height: 1.78;
}

.page-contact .contact-visit-meta {
  display: grid;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-visit-meta > div {
  display: grid;
  grid-template-columns: minmax(5.5rem, auto) minmax(0, 1fr);
  gap: 0.5rem 1rem;
  align-items: baseline;
}

.page-contact .contact-visit-meta dt {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-contact .contact-visit-meta dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-primary);
  word-break: break-word;
}

.page-contact .contact-visit-meta .mono {
  color: var(--cyan-400);
}

.page-contact .contact-visit-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-visit-figure .media-cap {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ---------- 05 咨询前准备 ---------- */
.page-contact .contact-checklist {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.4rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .contact-check {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: clamp(0.85rem, 1.8vw, 1.1rem) clamp(0.9rem, 2vw, 1.25rem);
  border: 1px solid var(--pc-line-on-paper);
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .contact-check:hover {
  border-color: rgba(20, 168, 154, 0.55);
  background: rgba(255, 255, 255, 0.86);
}

.page-contact .contact-check input[type="checkbox"] {
  flex: none;
  width: 1.05rem;
  height: 1.05rem;
  margin: 0.24rem 0 0;
  appearance: none;
  -webkit-appearance: none;
  border: 1.5px solid rgba(20, 32, 43, 0.42);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .contact-check input[type="checkbox"]:checked {
  background: var(--cyan-600);
  border-color: var(--cyan-600);
  box-shadow: inset 0 0 0 2px var(--paper);
}

.page-contact .contact-check input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--cyan-600);
  outline-offset: 2px;
}

.page-contact .contact-check > span {
  display: block;
  min-width: 0;
}

.page-contact .contact-check strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-on-paper);
}

.page-contact .contact-check em {
  display: block;
  margin-top: 0.25rem;
  font-style: normal;
  font-size: 0.875rem;
  line-height: 1.68;
  color: var(--pc-muted-on-paper);
}

.page-contact .contact-check em a {
  color: var(--cyan-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 06 提交与响应 ---------- */
.page-contact .contact-response-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-contact .contact-response-copy > * + * {
  margin-top: 1rem;
}

.page-contact .contact-response-copy p {
  color: var(--text-muted);
  line-height: 1.78;
  max-width: 54ch;
}

.page-contact .contact-response-copy p a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-response-actions {
  margin-top: 1.4rem;
}

.page-contact .contact-response-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  counter-reset: pc-step;
}

.page-contact .contact-response-steps li {
  padding: clamp(0.95rem, 2vw, 1.3rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber-400);
  border-radius: var(--radius-xs);
  background: linear-gradient(180deg, rgba(18, 38, 58, 0.72), rgba(11, 27, 42, 0.78));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .contact-response-steps li:hover {
  border-color: rgba(232, 168, 56, 0.5);
  border-left-color: var(--amber-400);
  transform: translateX(2px);
}

.page-contact .contact-step-idx {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--amber-400);
}

.page-contact .contact-response-steps h3 {
  margin: 0.5rem 0 0.35rem;
  font-size: 1.0625rem;
  color: var(--text-primary);
}

.page-contact .contact-response-steps p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--text-muted);
}

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

  .page-contact .contact-checklist > li:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-hero-visual {
    min-height: 340px;
  }

  .page-contact .contact-channels-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .contact-channels-grid > .cc-span-7 { grid-column: span 7; }
  .page-contact .contact-channels-grid > .cc-span-5 { grid-column: span 5; }
  .page-contact .contact-channels-grid > .cc-span-4 { grid-column: span 4; }

  .page-contact .contact-appeal-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-contact .contact-appeal-list li:nth-child(2) {
    margin-left: 1.75rem;
  }

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

  .page-contact .contact-visit-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .page-contact .contact-response-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-channels-grid > .cc-span-7 {
    grid-column: span 7;
    padding-right: clamp(1.2rem, 2.4vw, 1.9rem);
  }

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

  .page-contact .contact-checklist > li:last-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero-visual svg {
    animation: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-response-steps li:hover {
    transform: none;
  }
}
</main>