/* ===== 联系我们 · page-contact ===== */
.page-contact {
  --cc-shadow: 8px 8px 0 rgba(0, 0, 0, .55);
  --cc-shadow-paper: 8px 8px 0 rgba(216, 69, 28, .9);
  background: var(--ink);
  overflow-x: hidden;
}

/* --- 首屏 --- */
.page-contact .contact-hero {
  background: linear-gradient(180deg, rgba(14, 42, 34, .95) 0%, rgba(13, 18, 16, 0) 72%);
}
.page-contact .crumbs {
  margin-bottom: 1.75rem;
}
.page-contact .contact-hero__index {
  color: var(--rust);
}
.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1;
  margin: .6rem 0 1.1rem;
  color: var(--paper);
}
.page-contact .contact-hero__lede {
  max-width: 40ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--gray);
}
.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* --- 通用标题件 --- */
.page-contact .contact-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.6vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 0 0 .6rem;
  color: var(--paper);
}
.page-contact .contact-sub {
  max-width: 42ch;
  margin: 0;
  line-height: 1.8;
  color: var(--gray);
}

/* --- 渠道区 --- */
.page-contact .contact-visual {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0;
  border: 2px solid var(--line-strong);
}
.page-contact .contact-visual .media-frame__inner img,
.page-contact .geo-visual .media-frame__inner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-contact .contact-card {
  border: 2px solid var(--line-strong);
  background: var(--ink-green);
  padding: clamp(1.25rem, 3.4vw, 1.9rem);
  box-shadow: var(--cc-shadow);
}
.page-contact .contact-card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -.01em;
  margin: .45rem 0 .8rem;
  color: var(--paper);
}
.page-contact .contact-card__body {
  margin: .9rem 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--gray);
}
.page-contact .mail-addr {
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 3.4vw, 1.55rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--cyan);
  word-break: break-all;
}
.page-contact .phone-num {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: .04em;
  margin: .7rem 0 0;
  color: var(--paper);
}
.page-contact .addr-text {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.7;
  color: var(--brown);
}
.page-contact .slot-tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .25rem .55rem;
  border: 1px solid var(--orange);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--orange);
}
.page-contact .slot-note {
  color: var(--gray);
  transition: color var(--dur) var(--ease);
}
.page-contact .contact-card--phone:hover .slot-note {
  color: var(--cyan);
}
.page-contact .contact-card--paper {
  background: var(--paper);
  border-color: var(--brown);
  box-shadow: var(--cc-shadow-paper);
}
.page-contact .contact-card--paper .card__eyebrow {
  color: var(--rust);
}
.page-contact .contact-card--paper .contact-card__title {
  color: var(--brown);
}
.page-contact .contact-card--paper .contact-card__body {
  color: rgba(36, 28, 24, .74);
}

/* --- 响应节奏 --- */
.page-contact .rhythm {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 0;
  border-top: 2px solid var(--line-strong);
}
.page-contact .rhythm__step {
  padding: 1.4rem 0;
  border-bottom: 1px dashed var(--line);
}
.page-contact .rhythm__no {
  display: block;
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--orange);
}
.page-contact .rhythm__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  margin: .35rem 0 .5rem;
  color: var(--paper);
}
.page-contact .rhythm__body {
  max-width: 36ch;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--gray);
}

/* --- 协作区 --- */
.page-contact .collab__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
.page-contact .collab__text .eyebrow {
  color: var(--rust);
}
.page-contact .collab__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  font-weight: 900;
  line-height: 1.18;
  margin: .5rem 0 1rem;
  color: var(--brown);
}
.page-contact .collab__text p {
  max-width: 42ch;
  margin: 0;
  line-height: 1.85;
  color: rgba(36, 28, 24, .82);
}
.page-contact .collab__text h3 {
  margin: 1.6rem 0 .6rem;
  font-size: 1rem;
  color: var(--brown);
}
.page-contact .collab-list {
  margin: 0 0 1.75rem;
  padding-left: 1.1rem;
  line-height: 1.9;
  color: rgba(36, 28, 24, .82);
}
.page-contact .collab-list li {
  margin-bottom: .35rem;
}
.page-contact .collab__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}
.page-contact .collab__aside {
  border: 2px solid var(--brown);
  background: var(--paper-hi);
  padding: clamp(1.25rem, 3vw, 1.65rem);
  box-shadow: var(--cc-shadow-paper);
}
.page-contact .collab__aside-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  margin: 0 0 1rem;
  padding-bottom: .7rem;
  border-bottom: 2px solid var(--brown);
  color: var(--brown);
}
.page-contact .collab-stats {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .collab-stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: baseline;
  padding: .7rem 0;
  border-bottom: 1px solid var(--line-print);
}
.page-contact .collab-stats li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .collab-stats__n {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--rust);
}
.page-contact .collab-stats__t {
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(36, 28, 24, .78);
}

/* --- 运营与备案 --- */
.page-contact .legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
.page-contact .geo-visual {
  border: 1px solid var(--line-strong);
  margin: 0;
}
.page-contact .legal-rows dl {
  margin: 1.25rem 0 0;
}
.page-contact .legal-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .3rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .legal-row dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--silver);
}
.page-contact .legal-row dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--gray);
}
.page-contact .legal-chip {
  font-family: var(--font-mono);
  color: var(--cyan);
  border-bottom: 1px dashed var(--line-strong);
  cursor: help;
}
.page-contact .legal-note {
  max-width: 46ch;
  margin: 1.4rem 0 0;
  font-size: .875rem;
  line-height: 1.85;
  color: var(--gray);
}
.page-contact .legal-note a {
  color: var(--cyan);
}

/* --- 响应式 --- */
@media (min-width: 760px) {
  .page-contact .contact-deck {
    grid-template-columns: 1.5fr 1fr .82fr;
    gap: 1rem;
    align-items: start;
  }
  .page-contact .contact-card--phone {
    margin-top: 2.75rem;
  }
  .page-contact .contact-card--paper {
    margin-top: 1rem;
  }
  .page-contact .collab__grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 2.5rem;
  }
}

@media (min-width: 820px) {
  .page-contact .rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .rhythm__step {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 1.75rem 1.5rem;
  }
  .page-contact .rhythm__step:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .page-contact .rhythm__step:last-child {
    padding-right: 0;
  }
  .page-contact .legal-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 2.5rem;
  }
  .page-contact .legal-row {
    grid-template-columns: 9rem 1fr;
    gap: 1rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-visual {
    margin-inline: -2rem;
  }
}
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