.page-contact {
  --pc-pad: clamp(20px, 4vw, 40px);
  --pc-ring: 1px solid var(--line-200);
  background: var(--rice-050);
  color: var(--ink-900);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.35;
  margin: 0;
}

.page-contact p {
  margin: 0;
}

.page-contact .eyebrow--light {
  color: var(--copper-500);
}

/* ---------- 首屏 ---------- */
.page-contact .hero-contact {
  padding-block: clamp(26px, 5vw, 60px) clamp(36px, 6vw, 76px);
  background:
    radial-gradient(130% 100% at 100% -10%, rgba(184, 135, 59, 0.18), transparent 62%),
    linear-gradient(180deg, var(--rice-050), var(--rice-100));
}

.page-contact .hero-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-contact .hero-contact__lead {
  display: grid;
  gap: 14px;
}

.page-contact .hero-contact__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 4px 0 0;
}

.page-contact .hero-contact__lead .lede {
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  color: var(--ink-700);
}

.page-contact .hero-contact__facts {
  list-style: none;
  margin: 10px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-200);
  display: grid;
  gap: 10px;
}

.page-contact .hero-contact__facts li {
  display: grid;
  grid-template-columns: 5.4em 1fr;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--ink-700);
}

.page-contact .hero-contact__k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--celadon-500);
  padding-top: 0.25em;
}

.page-contact .hero-contact__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--pc-ring);
  background: var(--rice-100);
  box-shadow: var(--shadow-card);
}

.page-contact .hero-contact__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .hero-contact__figure .media-frame__caption {
  padding: 12px 16px 14px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--celadon-500);
  background: var(--rice-050);
  border-top: 1px solid var(--line-200);
}

/* ---------- 三条通道 ---------- */
.page-contact .channels {
  padding-block: clamp(40px, 6vw, 84px);
}

.page-contact .channels__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 4vw, 40px);
  max-width: 42em;
}

.page-contact .channels__head .note {
  max-width: 34em;
}

.page-contact .channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--radius-lg);
  border: var(--pc-ring);
  background: var(--rice-050);
  transition: transform 200ms var(--ease-spring), border-color 200ms ease, box-shadow 200ms ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-5px);
  border-color: var(--copper-500);
  box-shadow: var(--shadow-card);
}

.page-contact .channel__tag {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  letter-spacing: 0.02em;
  line-height: 1.35;
  color: var(--ink-900);
  word-break: break-word;
}

.page-contact .channel__value--addr {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .channel__desc {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-contact .channel__hint {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-200);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--celadon-500);
}

.page-contact .channel--phone {
  background: var(--ink-900);
  border-color: var(--ink-700);
  color: var(--rice-050);
}

.page-contact .channel--phone .channel__tag {
  color: var(--copper-500);
}

.page-contact .channel--phone .channel__value {
  color: var(--rice-050);
  font-size: clamp(1.6rem, 4.6vw, 2.05rem);
}

.page-contact .channel--phone .channel__desc {
  color: rgba(247, 242, 231, 0.8);
}

.page-contact .channel--phone .channel__hint {
  border-top-color: rgba(247, 242, 231, 0.22);
  color: rgba(247, 242, 231, 0.62);
}

.page-contact .channel--mail {
  background: var(--rice-100);
}

/* ---------- 分办指南 ---------- */
.page-contact .routing {
  padding-block: clamp(40px, 6vw, 84px);
  background: var(--rice-100);
  border-block: 1px solid var(--line-200);
}

.page-contact .routing__head {
  display: grid;
  gap: 10px;
  max-width: 40em;
}

.page-contact .routing__list {
  margin-top: clamp(22px, 3.5vw, 34px);
  border-top: 1px solid var(--line-200);
}

.page-contact .route-item {
  border-bottom: 1px solid var(--line-200);
}

.page-contact .route-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  column-gap: 12px;
  row-gap: 3px;
  align-items: baseline;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .route-item__idx {
  grid-column: 1;
  grid-row: 1;
  font-size: 0.78rem;
  color: var(--cinnabar-600);
  letter-spacing: 0.06em;
}

.page-contact .route-item__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .route-item__meta {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--celadon-500);
  letter-spacing: 0.02em;
}

.page-contact .route-item__sign {
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  justify-self: end;
  width: 1.6em;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cinnabar-600);
}

.page-contact .route-item__sign::before {
  content: "+";
}

.page-contact .route-item[open] .route-item__sign::before {
  content: "\2212";
}

.page-contact .route-item__body {
  display: grid;
  gap: 10px;
  padding: 0 4px 22px;
  padding-inline-start: 2.9em;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .route-item__body .link-more {
  color: var(--cinnabar-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回复时效 ---------- */
.page-contact .timing {
  padding-block: clamp(36px, 5.5vw, 72px);
}

.page-contact .timing__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  border-inline-start: 3px solid var(--amber-400);
  padding-inline-start: clamp(16px, 3vw, 28px);
}

.page-contact .timing__main {
  display: grid;
  gap: 12px;
}

.page-contact .timing__main p {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 36em;
}

.page-contact .timing__tip {
  align-self: start;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(224, 138, 60, 0.12);
  border: 1px solid rgba(224, 138, 60, 0.42);
  display: grid;
  gap: 8px;
}

.page-contact .timing__tip-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cinnabar-600);
}

.page-contact .timing__tip p:last-child {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 地域服务 ---------- */
.page-contact .region {
  background: var(--jade-800);
  color: var(--rice-050);
  padding-block: clamp(44px, 7vw, 88px);
}

.page-contact .region .eyebrow {
  color: var(--copper-500);
}

.page-contact .region__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-contact .region__text {
  display: grid;
  gap: 14px;
}

.page-contact .region__text p {
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(247, 242, 231, 0.82);
  max-width: 34em;
}

.page-contact .region__steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: rs;
}

.page-contact .region__steps li {
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(247, 242, 231, 0.9);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(247, 242, 231, 0.16);
}

.page-contact .region__steps li::before {
  counter-increment: rs;
  content: "0" counter(rs);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--copper-500);
  padding-top: 0.3em;
}

.page-contact .region__map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .region__banner {
  margin: clamp(28px, 4.5vw, 48px) 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(247, 242, 231, 0.18);
}

.page-contact .region__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

/* ---------- 合作与勘误 ---------- */
.page-contact .partner {
  padding-block: clamp(40px, 6vw, 84px);
}

.page-contact .partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-contact .partner__card {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--radius-lg);
  border: var(--pc-ring);
  background: var(--rice-100);
}

.page-contact .partner__card p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .partner__card .link-more {
  color: var(--cinnabar-600);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: 0.88rem;
}

.page-contact .partner__card--fix {
  background: var(--wine-800);
  border-color: var(--wine-800);
  color: var(--rice-050);
}

.page-contact .partner__card--fix h3 {
  color: var(--rice-050);
}

.page-contact .partner__card--fix p {
  color: rgba(247, 242, 231, 0.84);
}

/* ---------- 写信提示 ---------- */
.page-contact .mail-guide {
  padding-block: clamp(40px, 6vw, 88px) clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, var(--rice-050), var(--rice-100));
}

.page-contact .mail-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .mail-guide__text {
  display: grid;
  gap: 12px;
}

.page-contact .mail-guide__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .mail-guide__list li {
  display: grid;
  grid-template-columns: 1.8em 1fr;
  gap: 10px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-contact .mail-guide__num {
  font-size: 0.8rem;
  color: var(--copper-500);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-pill);
  width: 1.8em;
  height: 1.8em;
  display: grid;
  place-items: center;
  background: var(--rice-050);
}

.page-contact .mail-guide__text .note {
  margin-top: 6px;
}

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

.page-contact .mail-guide__template {
  background: var(--ink-900);
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 3vw, 30px);
  color: var(--rice-050);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 10px;
}

.page-contact .mail-guide__label {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-contact .mail-guide__body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.9;
  letter-spacing: 0.01em;
  white-space: pre-wrap;
  word-break: break-word;
  color: rgba(247, 242, 231, 0.92);
  border-left: 2px solid var(--cinnabar-600);
  padding-left: 14px;
}

.page-contact .mail-guide__foot {
  font-size: 0.78rem;
  line-height: 1.7;
  color: rgba(247, 242, 231, 0.6);
  border-top: 1px solid rgba(247, 242, 231, 0.16);
  padding-top: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .hero-contact__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .hero-contact__facts li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-contact .route-item__body {
    padding-inline-start: 3.2em;
  }
}

@media (min-width: 900px) {
  .page-contact .channels__grid {
    grid-template-columns: 1.3fr 1fr 0.9fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .channel--mail {
    margin-top: 44px;
  }

  .page-contact .channel--address {
    margin-top: 88px;
  }

  .page-contact .partner__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .mail-guide__grid {
    grid-template-columns: 0.95fr 1.05fr;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-contact__grid {
    grid-template-columns: 1.12fr 0.88fr;
  }

  .page-contact .timing__inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 44px;
  }

  .page-contact .region__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 52px;
  }
}

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

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