.page-contact {
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

/* —— 页首 —— */
.page-contact .contact-hero {
  padding-top: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .contact-hero__copy {
  max-width: 74ch;
}

.page-contact .contact-hero h1 {
  margin-top: 0.5rem;
  font-size: clamp(2rem, 4.8vw, 3.7rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-contact .contact-hero__lead {
  margin-top: 1.1rem;
  max-width: 66ch;
  color: var(--steel);
  font-size: clamp(1rem, 1.1vw, 1.1rem);
  line-height: 1.8;
}

.page-contact .contact-hero__mediawrap {
  margin-top: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .contact-hero__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

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

/* —— 章节头 —— */
.page-contact .section-head {
  max-width: 70ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.4rem);
}

.page-contact .section-head h2 {
  margin-top: 0.45rem;
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .section-head__note {
  margin-top: 0.75rem;
  color: var(--steel);
  line-height: 1.78;
}

/* —— 渠道卡 —— */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.45);
}

.page-contact .channel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 199, 44, 0.06);
}

.page-contact .channel__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .channel__title {
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--chalk);
}

.page-contact .channel__body {
  color: var(--steel);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-contact .channel__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .channel__body a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .channel__meta {
  margin-top: auto;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* —— 联系信息表 —— */
.page-contact .desk-table {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  overflow: hidden;
}

.page-contact .desk-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .desk-row:last-child {
  border-bottom: 0;
}

.page-contact .desk-row:hover {
  background: rgba(255, 199, 44, 0.05);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-contact .desk-row dt {
  color: var(--steel);
}

.page-contact .desk-row dd {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  font-size: 1rem;
  color: var(--chalk);
  line-height: 1.6;
}

.page-contact .desk-row dd .data-num {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--chalk);
  word-break: break-word;
}

.page-contact .desk-row__hint {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--steel);
  letter-spacing: 0;
}

.page-contact .desk-note {
  margin-top: 1.25rem;
  color: var(--steel);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-contact .desk-note a,
.page-contact .partner__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .desk-note a:hover,
.page-contact .partner__links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* —— 数据纠错 —— */
.page-contact .fix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-contact .fix-grid__main h2 {
  margin-top: 0.45rem;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .fix-grid__main .prose {
  margin-top: 0.9rem;
  color: var(--steel);
  max-width: 66ch;
}

.page-contact .checklist {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--chalk);
  line-height: 1.72;
  font-size: 0.96rem;
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: var(--gold);
}

.page-contact .fix-grid__aside {
  padding: 1.5rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .fix-grid__aside .label {
  display: block;
  color: var(--gold);
  margin-bottom: 1rem;
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.95rem;
}

.page-contact .flow li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: baseline;
  padding-bottom: 0.95rem;
  border-bottom: 1px dashed var(--line);
  color: var(--chalk);
  line-height: 1.7;
  font-size: 0.94rem;
}

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

.page-contact .flow__no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-contact .flow__foot {
  margin-top: 1.1rem;
  color: var(--steel);
  font-size: 0.85rem;
  line-height: 1.75;
}

/* —— 合作与投稿 —— */
.page-contact .partner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
}

.page-contact .partner__copy h2 {
  margin-top: 0.45rem;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .partner__copy p {
  margin-top: 1rem;
  color: var(--steel);
  line-height: 1.8;
  max-width: 64ch;
}

.page-contact .partner__links {
  font-size: 0.92rem;
}

.page-contact .partner__media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

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

/* —— 地址与备案 —— */
.page-contact .place {
  max-width: 720px;
  padding-left: clamp(1rem, 2.5vw, 1.75rem);
  border-left: 3px solid var(--gold);
}

.page-contact .place h2 {
  margin-top: 0.45rem;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--chalk);
}

.page-contact .place__addr {
  margin-top: 1rem;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--chalk);
  line-height: 1.7;
}

.page-contact .place__line {
  margin-top: 0.55rem;
  color: var(--steel);
  line-height: 1.7;
}

.page-contact .place__line.data-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.page-contact .place__foot {
  margin-top: 1.15rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  color: var(--steel);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* —— 响应式 —— */
@media (min-width: 720px) {
  .page-contact .desk-row {
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    align-items: baseline;
    padding: 1.25rem 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 960px) {
  .page-contact .fix-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .partner {
    grid-template-columns: 7fr 5fr;
  }
}

@media (max-width: 480px) {
  .page-contact .channel {
    padding: 1.4rem 1.15rem 1.2rem;
  }

  .page-contact .desk-row dd .data-num {
    font-size: 0.94rem;
  }
}