.page-contact {
  --fc-gap: clamp(18px, 3vw, 32px);
  --fc-pad: clamp(52px, 8.5vw, 100px);
  color: var(--silver);
  background:
    radial-gradient(1100px 560px at 82% -8%, rgba(59, 227, 208, 0.10), transparent 68%),
    radial-gradient(880px 520px at 4% 26%, rgba(27, 143, 158, 0.13), transparent 66%),
    var(--ink-900);
  padding-bottom: clamp(32px, 5vw, 64px);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.14;
}

.page-contact p {
  margin: 0;
}

.page-contact a {
  color: inherit;
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: clamp(14px, 3vw, 26px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .breadcrumb-list li + li::before {
  content: "／";
  margin-right: 8px;
  color: rgba(124, 144, 174, 0.6);
}

.page-contact .breadcrumb-list a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .breadcrumb-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--line-strong);
}

.page-contact .breadcrumb-current {
  color: var(--silver);
}

/* 首屏 */
.page-contact .contact-hero {
  padding: clamp(26px, 5vw, 52px) 0 clamp(44px, 7vw, 88px);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 56px);
}

.page-contact .contact-hero-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact .contact-hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.9rem);
  max-width: 16ch;
}

.page-contact .contact-hero .lede {
  margin-top: 20px;
  max-width: 52ch;
  color: var(--silver);
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.78;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-window {
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(20, 52, 58, 0.55), rgba(15, 26, 48, 0.92));
  box-shadow: var(--shadow-hard);
}

.page-contact .cw-head {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .cw-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .cw-key {
  font-size: 13px;
  color: var(--mist);
}

.page-contact .cw-val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  text-align: right;
}

.page-contact .cw-note {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 章节骨架 */
.page-contact .fc-section {
  padding: clamp(48px, 8vw, 96px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .fc-section--split {
  background:
    linear-gradient(180deg, rgba(15, 26, 48, 0.55), rgba(6, 10, 24, 0));
}

.page-contact .section-head {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .section-head h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  max-width: 22ch;
}

.page-contact .section-head .lede {
  margin-top: 14px;
  max-width: 58ch;
  color: var(--mist);
  line-height: 1.78;
}

/* 联系卡片 */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fc-gap);
}

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

.page-contact .contact-card-main {
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-card-body {
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .fc-mail {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.6vw, 1.45rem);
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .fc-note {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-side {
  display: grid;
  gap: var(--fc-gap);
  align-content: start;
}

.page-contact .contact-card-mini {
  padding: clamp(20px, 3vw, 26px);
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(20, 52, 58, 0.42), rgba(15, 26, 48, 0.9));
  box-shadow: 6px 6px 0 rgba(6, 10, 24, 0.85);
}

.page-contact .mini-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .mini-value {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 2.4vw, 1.28rem);
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}

.page-contact .mini-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

/* 反馈前准备 */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .prep-copy h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  margin-top: 4px;
}

.page-contact .prep-copy .lede {
  margin-top: 14px;
  max-width: 46ch;
  color: var(--mist);
  line-height: 1.78;
}

.page-contact .prep-steps {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .prep-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-contact .prep-step h3 {
  font-size: 1.04rem;
  letter-spacing: 0;
}

.page-contact .prep-step p {
  margin-top: 8px;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .prep-panel {
  padding: clamp(20px, 3vw, 32px);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(20, 52, 58, 0.26);
  align-self: start;
}

.page-contact .prep-panel .eyebrow {
  margin-bottom: 10px;
}

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

.page-contact .type-item:last-child {
  border-bottom: 0;
}

.page-contact .type-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--white);
}

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

.page-contact .type-summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-contact .type-item[open] .type-summary::after {
  content: "−";
}

.page-contact .type-item[open] .type-summary {
  color: var(--cyan);
}

.page-contact .type-body {
  margin: 0 0 16px;
  padding-right: 8px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
}

/* 处理节奏 */
.page-contact .rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
}

.page-contact .rhythm-line {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .rhythm-line::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 26px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-deep), rgba(27, 143, 158, 0.12));
}

.page-contact .rhythm-step {
  position: relative;
  padding: 0 0 30px 46px;
}

.page-contact .rhythm-step:last-child {
  padding-bottom: 0;
}

.page-contact .rhythm-dot {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--cyan-deep);
  background: var(--ink-900);
}

.page-contact .rhythm-step.is-current .rhythm-dot {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(246, 185, 74, 0.14);
}

.page-contact .rhythm-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin-bottom: 8px;
}

.page-contact .rhythm-step.is-current .rhythm-num {
  color: var(--gold);
}

.page-contact .rhythm-step h3 {
  font-size: 1.06rem;
  letter-spacing: 0;
}

.page-contact .rhythm-step p {
  margin-top: 8px;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--mist);
  max-width: 42ch;
}

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

.page-contact .rhythm-figure .media-frame {
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-contact .media-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 数据条带 */
.page-contact .data-band {
  margin-top: clamp(30px, 5vw, 52px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--line-soft);
}

.page-contact .data-band-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ink-800);
}

.page-contact .data-band-num {
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.2vw, 1.18rem);
  color: var(--cyan);
  line-height: 1.4;
}

.page-contact .data-band-label {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--mist);
}

/* 分流卡片 */
.page-contact .triage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fc-gap);
}

.page-contact .triage-card {
  display: block;
  padding: clamp(20px, 3vw, 28px);
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  text-decoration: none;
  box-shadow: 6px 6px 0 rgba(6, 10, 24, 0.85);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .triage-card:hover,
.page-contact .triage-card:focus-visible {
  transform: translate(-2px, -3px);
  border-color: var(--line-strong);
  box-shadow: 9px 10px 0 rgba(6, 10, 24, 0.9);
}

.page-contact .triage-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
  padding-bottom: 10px;
}

.page-contact .triage-card h3 {
  font-size: 1.1rem;
  letter-spacing: 0;
}

.page-contact .triage-card p {
  margin-top: 10px;
  font-size: 0.93rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .triage-go {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-strong);
}

/* 隐私与使用说明 */
.page-contact .fc-legal {
  padding-top: clamp(34px, 5vw, 56px);
}

.page-contact .legal-strip {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 32px);
}

.page-contact .legal-text {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-contact .data-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .triage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .legal-strip {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: 1.18fr 0.82fr;
    align-items: end;
  }

  .page-contact .contact-cards {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .page-contact .prep-grid {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: start;
  }

  .page-contact .rhythm-grid {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

  .page-contact .triage-grid {
    grid-template-columns: 1fr 1fr 1.08fr;
  }
}

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

  .page-contact .triage-card:hover,
  .page-contact .triage-card:focus-visible {
    transform: none;
  }
}
<<<END>>>