.page-contact {
  --contact-gap: clamp(20px, 3.4vw, 36px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-hero__lead {
  border-left: 2px solid var(--gold);
  padding-left: clamp(14px, 2.4vw, 26px);
}

.page-contact .contact-hero__lead h1 {
  margin: 6px 0 14px;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.page-contact .contact-hero__lead .lede {
  max-width: 46ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 26px;
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-contact .contact-hero__points li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-contact .contact-hero__points .dot {
  flex: none;
  transform: translateY(-1px);
}

.page-contact .contact-hero__num {
  flex: none;
  color: var(--gold-soft);
  font-size: 15px;
  letter-spacing: 0.04em;
  min-width: 2.2em;
}

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

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

/* 联络渠道 */
.page-contact .contact-channels__head {
  max-width: 60ch;
}

.page-contact .channel-grid {
  display: grid;
  gap: 14px;
  margin-top: var(--contact-gap);
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-radius: var(--radius);
  background:
    linear-gradient(170deg, rgba(23, 42, 69, 0.9), rgba(13, 26, 46, 0.96));
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .channel-card--gold {
  border-top-color: var(--gold);
}

.page-contact .channel-card--celadon {
  border-top-color: var(--celadon);
}

.page-contact .channel-card--clay {
  border-top-color: var(--clay);
}

.page-contact .field-label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .field-value {
  margin: 0;
  font-size: clamp(15px, 2.1vw, 18px);
  color: var(--text);
  letter-spacing: 0.01em;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .field-value--address {
  font-family: var(--sans);
  line-height: 1.55;
  color: var(--gold-soft);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-contact .channel-card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact .copy-status {
  margin: 12px 0 0;
  min-height: 1.4em;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

/* 邮件建议 */
.page-contact .contact-mail {
  background: linear-gradient(180deg, rgba(13, 26, 46, 0), rgba(13, 26, 46, 0.55), rgba(13, 26, 46, 0));
}

.page-contact .contact-mail__grid {
  display: grid;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-mail__figure {
  margin: 0;
  order: -1;
}

.page-contact .mail-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-contact .mail-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0 4px;
  border-top: 1px solid var(--line);
}

.page-contact .mail-step__no {
  font-size: 20px;
  line-height: 1.2;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-contact .mail-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -0.005em;
}

.page-contact .mail-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .mail-template {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--celadon);
  border-radius: var(--radius);
  background: rgba(23, 42, 69, 0.55);
}

.page-contact .mail-template__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--text);
}

.page-contact .mail-template__summary::-webkit-details-marker {
  display: none;
}

.page-contact .mail-template__summary .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--celadon);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 2px 7px;
  flex: none;
}

.page-contact .mail-template__summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--gold);
  font-family: var(--mono);
}

.page-contact .mail-template[open] .mail-template__summary::after {
  content: "－";
}

.page-contact .mail-template__body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--line);
}

.page-contact .mail-template__text {
  white-space: pre-line;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 14px 0;
  overflow-wrap: anywhere;
}

/* 服务范围 */
.page-contact .contact-scope__head {
  max-width: 58ch;
}

.page-contact .scope-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
}

.page-contact .scope-status .dot {
  margin-right: 6px;
}

.page-contact .scope-tabs {
  border-top: 1px solid var(--line);
}

.page-contact .scope-panel {
  padding: 18px 0 4px;
  max-width: 62ch;
}

.page-contact .scope-panel h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--gold-soft);
  letter-spacing: -0.005em;
}

.page-contact .scope-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* 合作与反馈 */
.page-contact .contact-feedback__grid {
  display: grid;
  gap: var(--contact-gap);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-feedback__main h2 {
  margin: 6px 0 12px;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
}

.page-contact .contact-feedback__main p {
  margin: 0 0 12px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .feedback-list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 42, 69, 0.42);
}

.page-contact .feedback-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .feedback-list .field-label {
  margin-bottom: 6px;
  color: var(--clay);
}

/* 地址区块 */
.page-contact .address-panel {
  position: relative;
  display: grid;
  gap: 22px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--ink-2), var(--ink));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-contact .address-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--celadon));
}

.page-contact .address-panel__value {
  margin: 8px 0 10px;
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.5;
  color: var(--text);
  letter-spacing: -0.005em;
}

.page-contact .address-panel__note {
  margin: 0 0 16px;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .address-panel__meta {
  display: grid;
  gap: 12px;
  margin: 0;
  align-content: start;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
}

.page-contact .address-meta dt {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .address-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gold-soft);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-address__links {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-address__links a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

.page-contact .contact-address__links a:hover,
.page-contact .contact-address__links a:focus-visible {
  color: var(--gold-soft);
  text-decoration-color: var(--gold);
}

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

  .page-contact .channel-card:last-child {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

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

  .page-contact .channel-card:last-child {
    grid-column: auto;
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-mail__figure {
    order: 0;
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-feedback__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: clamp(26px, 4vw, 52px);
  }

  .page-contact .address-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-contact .address-panel__meta {
    border-top: 0;
    padding-top: 0;
    border-left: 1px dashed var(--line);
    padding-left: clamp(18px, 2.4vw, 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}