.page-contact {
  --pc-line: rgba(143, 163, 150, .28);
  --pc-line-soft: rgba(143, 163, 150, .16);
  --pc-text: rgba(242, 237, 228, .8);
  --pc-border: 2px solid rgba(143, 163, 150, .28);
  --pc-shadow: 0 6px 0 0 rgba(0, 0, 0, .55);

  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-sans);
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 2.4vw, 26px);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  padding: clamp(24px, 4vw, 48px) 0 clamp(28px, 4vw, 52px);
  background: linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
  border-bottom: var(--pc-border);
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-contact .contact-lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.8;
  color: var(--pc-text);
}

/* ---------- 渠道分派 ---------- */
.page-contact .contact-directory {
  padding: clamp(32px, 5vw, 64px) 0 clamp(32px, 4.4vw, 60px);
  background: var(--ink);
}

.page-contact .contact-main {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(22px, 3vw, 40px);
}

.page-contact .callout-plate {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 2px solid rgba(198, 242, 78, .42);
  background: var(--deep-2);
  box-shadow: var(--pc-shadow);
}

.page-contact .callout-plate .plate-label {
  margin: 0;
  color: var(--stone);
}

.page-contact .hotline {
  display: block;
  margin: 16px 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 7vw, 46px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--lime);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact .hotline:hover,
.page-contact .hotline:focus-visible {
  color: var(--cream);
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.page-contact .callout-note {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-text);
}

.page-contact .callout-meta {
  margin: 20px 0 0;
  padding: 16px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px dashed var(--pc-line);
}

.page-contact .callout-meta li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.page-contact .callout-meta span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--stone);
}

.page-contact .callout-meta strong {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .callout-mails {
  margin: 20px 0 0;
  padding: 18px 0 0;
  list-style: none;
  display: grid;
  gap: 16px;
  border-top: 1px dashed var(--pc-line);
}

.page-contact .callout-mails li {
  display: grid;
  gap: 6px;
}

.page-contact .callout-mails span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-contact .callout-mails a {
  max-width: 100%;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: clamp(12px, 2.6vw, 14.5px);
  line-height: 1.5;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 242, 78, .45);
  overflow-wrap: anywhere;
}

.page-contact .callout-mails a:hover,
.page-contact .callout-mails a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .channel-stack {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
  align-content: start;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: var(--pc-border);
  background: var(--deep-2);
  box-shadow: var(--pc-shadow);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(198, 242, 78, .5);
  box-shadow: 0 9px 0 0 rgba(0, 0, 0, .55);
}

.page-contact .channel-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-contact .channel-idx {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 26px;
  padding: 0 8px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-contact .channel-head h3 {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .channel-mail {
  margin: 14px 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .channel-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--pc-text);
}

.page-contact .channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-contact .channel-foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .contact-diagram {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  border: var(--pc-border);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-hours {
  padding: clamp(40px, 5.4vw, 76px) 0;
  background: linear-gradient(180deg, var(--deep) 0%, var(--ink) 100%);
  border-top: var(--pc-border);
}

.page-contact .hours-list {
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--pc-border);
}

.page-contact .hours-list li {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .hours-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-contact .hours-val {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-text);
}

/* ---------- 联系地址 ---------- */
.page-contact .contact-place {
  padding: clamp(36px, 5vw, 72px) 0;
  background: var(--deep);
  border-top: var(--pc-border);
  border-bottom: var(--pc-border);
}

.page-contact .place-grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-contact .place-address {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(19px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .place-note {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-text);
}

.page-contact .place-map {
  margin: 0;
}

/* ---------- 线索与合作 ---------- */
.page-contact .contact-contribute {
  padding: clamp(40px, 5.4vw, 76px) 0;
  background: var(--ink);
}

.page-contact .contribute-grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .contribute-col h3 {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--moss);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  color: var(--cream);
}

.page-contact .contribute-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cstep;
}

.page-contact .contribute-steps li {
  counter-increment: cstep;
  position: relative;
  margin-bottom: 15px;
  padding-left: 44px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--pc-text);
}

.page-contact .contribute-steps li::before {
  content: "0" counter(cstep);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 1px 6px;
  border: 1px solid rgba(232, 118, 58, .5);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-contact .contribute-steps strong {
  font-weight: 700;
  color: var(--cream);
}

.page-contact .contribute-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-text);
}

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

/* ---------- 底部通栏 ---------- */
.page-contact .contact-bar {
  margin-top: clamp(8px, 1.6vw, 20px);
  background: var(--deep);
  border-top: 2px solid var(--moss);
}

.page-contact .contact-bar-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px) 0;
}

.page-contact .bar-address,
.page-contact .bar-legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--stone);
}

.page-contact .bar-legal {
  letter-spacing: .08em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .hours-list li {
    grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

  .page-contact .contact-bar-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-main {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(20px, 2.4vw, 32px);
  }

  .page-contact .place-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-contact .contribute-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(28px, 3.4vw, 52px);
  }
}

@media (min-width: 1200px) {
  .page-contact .callout-plate {
    position: sticky;
    top: 96px;
  }
}

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

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