.page-contact {
  display: block;
  background: var(--ink);
  color: var(--card);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-sans);
}

.page-contact h2 {
  margin: 0.45rem 0 0;
  font-size: clamp(1.5rem, 1.05rem + 2.1vw, 2.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--sand);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(2rem, 5.5vw, 4.25rem)) 0 clamp(2.5rem, 6vw, 4.75rem);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(92% 72% at 88% 2%, rgba(29, 122, 158, 0.62), transparent 62%),
    radial-gradient(70% 62% at 4% 98%, rgba(226, 109, 63, 0.22), transparent 60%),
    linear-gradient(168deg, rgba(7, 26, 34, 0.4) 0%, rgba(7, 26, 34, 0.9) 58%, var(--ink) 100%);
}

.page-contact .contact-hero h1 {
  margin: 0.55rem 0 0;
  max-width: 18ch;
  font-size: clamp(2.1rem, 1.1rem + 4.7vw, 4.75rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.04em;
  color: var(--sand);
}

.page-contact .contact-lede {
  max-width: 58ch;
  margin: 1.15rem 0 0;
  font-size: var(--step-0);
  line-height: 1.82;
  color: var(--mist);
}

/* 联系卡组 */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.5vw, 1.6rem);
  margin-top: clamp(1.9rem, 4.5vw, 3.25rem);
}

.page-contact .contact-card {
  position: relative;
  border-radius: var(--radius-l);
  padding: clamp(1.35rem, 3.2vw, 2.35rem);
  border: 1px solid var(--line);
}

.page-contact .contact-card--primary {
  overflow: hidden;
  background: var(--card);
  color: var(--ink);
  border-color: transparent;
  box-shadow: var(--shadow-lift);
}

.page-contact .contact-card--primary::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--terracotta) 58%, rgba(232, 211, 169, 0) 100%);
}

.page-contact .contact-card-kicker {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .contact-row + .contact-row {
  margin-top: 1.05rem;
  padding-top: 1.05rem;
  border-top: 1px dashed rgba(11, 79, 108, 0.28);
}

.page-contact .contact-line-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lake-bright);
}

.page-contact .contact-value {
  margin: 0.3rem 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.02rem, 0.62rem + 2.05vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-card-note {
  margin: 1.35rem 0 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--lake);
}

.page-contact .contact-card--aside {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.5rem);
  align-content: start;
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(53, 242, 208, 0.14), transparent 58%),
    linear-gradient(150deg, rgba(22, 44, 51, 0.96), rgba(11, 79, 108, 0.68));
}

.page-contact .contact-fact-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-fact-value {
  margin: 0.4rem 0 0;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--sand);
  overflow-wrap: anywhere;
}

.page-contact .contact-fact-value--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1rem, 0.8rem + 0.9vw, 1.35rem);
}

.page-contact .contact-card-link {
  justify-self: start;
}

/* ---------- 反馈类型 ---------- */
.page-contact .contact-section-lede {
  max-width: 60ch;
  margin: 0.9rem 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-topics-head h2 {
  max-width: 22ch;
}

.page-contact .contact-topics-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .topic-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 0.9rem;
  padding: clamp(0.9rem, 2vw, 1.3rem) 0;
  border-top: 1px dashed var(--line-dashed);
}

.page-contact .topic-item:last-child {
  border-bottom: 1px dashed var(--line-dashed);
}

.page-contact .topic-num {
  padding-top: 0.32rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .topic-item h3 {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--sand);
}

.page-contact .topic-item p {
  margin: 0.4rem 0 0;
  max-width: 48ch;
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--mist);
}

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

.page-contact .contact-figure .media-caption {
  margin-top: 0.8rem;
  font-size: var(--step--1);
  line-height: 1.65;
  color: var(--sand-mute);
}

/* ---------- 服务时间与响应 ---------- */
.page-contact .rhythm-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3vw, 2.5rem);
  padding: clamp(1.4rem, 3.4vw, 2.6rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(53, 242, 208, 0.15), transparent 56%),
    linear-gradient(140deg, rgba(11, 79, 108, 0.86), rgba(22, 44, 51, 0.96));
}

.page-contact .rhythm-stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 0;
}

.page-contact .rhythm-stat {
  padding-top: 0.85rem;
  border-top: 2px solid rgba(53, 242, 208, 0.5);
}

.page-contact .rhythm-stat dt {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .rhythm-stat dd {
  margin: 0.4rem 0 0;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--card);
}

.page-contact .rhythm-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.35rem, 0.9rem + 1.9vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--cyan);
}

/* ---------- 合作沟通 ---------- */
.page-contact .collab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .collab-intro p {
  max-width: 52ch;
  margin: 0.9rem 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .collab-link {
  display: inline-block;
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.2rem;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .collab-link:hover,
.page-contact .collab-link:focus-visible {
  color: var(--sand);
  border-color: var(--sand);
}

.page-contact .collab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .collab-list li {
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--terracotta);
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .collab-list strong {
  color: var(--sand);
  font-weight: 700;
}

/* ---------- 站点信息 ---------- */
.page-contact .site-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid var(--line);
}

.page-contact .site-strip p {
  max-width: 56ch;
  margin: 0.9rem 0 0;
  font-size: var(--step-0);
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .site-legal {
  font-size: var(--step--1) !important;
  color: var(--sand-mute) !important;
}

.page-contact .site-legal a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .site-legal a:hover,
.page-contact .site-legal a:focus-visible {
  color: var(--sand);
  border-color: var(--sand);
}

.page-contact .site-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-contact .site-facts li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--line);
  font-size: var(--step--1);
  line-height: 1.6;
}

.page-contact .site-facts span {
  color: var(--mist);
}

.page-contact .site-facts strong {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--sand);
  text-align: right;
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .rhythm-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-cards {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-card--aside {
    margin-top: 1.5rem;
  }

  .page-contact .rhythm-band {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.45fr);
    align-items: end;
  }

  .page-contact .collab-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .site-strip {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-topics-body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-figure {
    margin-top: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .collab-link,
  .page-contact .site-legal a,
  .page-contact .contact-hero-bg {
    transition: none;
  }
}
<<<END>>>