.page-contact {
  --contact-measure: 68ch;
  --contact-rhythm: clamp(46px, 7vw, 86px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  padding-block: clamp(20px, 3.4vw, 40px) clamp(16px, 2.6vw, 28px);
  max-width: calc(var(--shell) + 2 * var(--gutter));
  margin-inline: auto;
}

.page-contact .contact-intro__mark {
  margin: 14px 0 16px;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gilt);
}

.page-contact h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  line-height: 1.2;
  letter-spacing: 0.015em;
  margin: 0 0 18px;
  color: var(--ink);
}

.page-contact .contact-intro__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(0.98rem, 2.2vw, 1.05rem);
  color: var(--ink-soft);
}

.page-contact .contact-hero {
  margin: 0 0 clamp(30px, 5vw, 54px);
}

.page-contact .contact-hero .figure__media {
  aspect-ratio: 1200 / 420;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--paper-deep);
}

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

/* ---------- 章节容器 ---------- */

.page-contact .contact-block {
  border-top: 1px solid var(--hairline);
  padding-block: var(--contact-rhythm);
}

.page-contact .contact-block--deep {
  background: var(--paper-deep);
}

.page-contact .contact-measure {
  max-width: 68ch;
}

.page-contact .contact-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-contact .contact-head__idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--cinnabar);
  padding-top: 0.6em;
}

.page-contact .contact-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.2vw, 1.82rem);
  line-height: 1.35;
  letter-spacing: 0.015em;
  color: var(--ink);
}

.page-contact .contact-head p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.97rem;
  color: var(--ink-soft);
}

.page-contact .contact-subhead {
  margin: clamp(28px, 4vw, 40px) 0 8px;
  font-family: var(--font-head);
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

/* ---------- 三条渠道 ---------- */

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: var(--paper);
  transition: transform var(--t), box-shadow var(--t);
}

.page-contact .contact-card--cinnabar {
  border-color: rgba(191, 59, 43, 0.45);
  box-shadow: inset 0 3px 0 var(--cinnabar);
}

.page-contact .contact-card--jade {
  border-color: rgba(62, 127, 118, 0.45);
  box-shadow: inset 0 3px 0 var(--jade);
}

.page-contact .contact-card--gilt {
  border-color: var(--hairline-strong);
  box-shadow: inset 0 3px 0 var(--gilt);
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
}

.page-contact .contact-card--cinnabar:hover { box-shadow: inset 0 3px 0 var(--cinnabar), var(--shadow-seal); }
.page-contact .contact-card--jade:hover { box-shadow: inset 0 3px 0 var(--jade), var(--shadow-plate); }
.page-contact .contact-card--gilt:hover { box-shadow: inset 0 3px 0 var(--gilt), var(--shadow-plate); }

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.14rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-card__value {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  background: var(--paper-deep);
  border-left: 2px solid var(--gilt);
  font-size: 0.9rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__use {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.page-contact .contact-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 14px;
  font-size: 0.83rem;
}

.page-contact .contact-card__meta dt {
  color: var(--ink-soft);
  white-space: nowrap;
}

.page-contact .contact-card__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ---------- 响应节奏 ---------- */

.page-contact .contact-timing {
  margin-top: clamp(30px, 5vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-contact .contact-timing__text h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-timing__text p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.page-contact .contact-timing__text p:last-child {
  margin-bottom: 0;
}

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

.page-contact .contact-timing__figure .figure__media {
  aspect-ratio: 720 / 480;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  overflow: hidden;
  background: var(--paper-deep);
}

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

/* ---------- 邮件写法 ---------- */

.page-contact .contact-format {
  margin: 0 0 clamp(24px, 4vw, 36px);
  padding: 18px 20px 20px;
  border-radius: var(--r-md);
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-left: 3px solid var(--cinnabar);
}

.page-contact .contact-format__label {
  margin: 0 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-contact .contact-format__code {
  margin: 0;
  font-size: clamp(0.86rem, 2.4vw, 0.95rem);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .contact-checklist li {
  position: relative;
  padding-left: 30px;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.page-contact .contact-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 15px;
  height: 15px;
  border: 1px solid var(--gilt);
  border-radius: 3px;
  background: var(--paper);
}

.page-contact .contact-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--jade);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------- 合作方向 ---------- */

.page-contact .contact-tracks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .contact-track {
  padding: 20px 22px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline);
  background: var(--paper-deep);
}

.page-contact .contact-track h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-track p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

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

.page-contact .contact-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 14px;
  align-items: baseline;
  font-size: 0.94rem;
  color: var(--ink-soft);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--hairline);
}

.page-contact .contact-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-steps__idx {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gilt);
}

/* ---------- 来访与地址 ---------- */

.page-contact .contact-visit__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-contact .contact-visit__text .contact-head {
  margin-bottom: 18px;
}

.page-contact .contact-visit__addr {
  margin: 0 0 14px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--paper);
  border: 1px solid var(--hairline-strong);
  border-left: 3px solid var(--gilt);
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.8vw, 1.12rem);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .contact-visit__text > p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.page-contact .contact-visit__hint {
  margin: 0;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--jade);
  word-break: break-word;
}

.page-contact .contact-visit__map {
  padding: 14px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: var(--paper);
}

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

.page-contact .contact-visit__caption {
  margin: 8px 0 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

/* ---------- 咨询分流 ---------- */

.page-contact .contact-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hairline);
}

.page-contact .contact-route__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .contact-route__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 1.04rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-route__body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.page-contact .contact-route__link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar-deep);
  font-size: 0.88rem;
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: background-color var(--t), color var(--t), border-color var(--t), transform var(--t);
}

.page-contact .contact-route__link:hover,
.page-contact .contact-route__link:focus-visible {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-contact .contact-route__back {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.page-contact .contact-route__back .mono {
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-route__back a {
  color: var(--cinnabar-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 桌面 ---------- */

@media (min-width: 52rem) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .contact-timing {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-contact .contact-tracks {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-contact .contact-visit__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

  .page-contact .contact-route__item {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 68rem) {
  .page-contact .contact-cards {
    gap: 22px;
  }
}

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

  .page-contact .contact-card:hover,
  .page-contact .contact-route__link:hover,
  .page-contact .contact-route__link:focus-visible {
    transform: none;
  }
}