.page-contact {
  --pc-gold-line: linear-gradient(90deg, rgba(201, 162, 39, .9), rgba(201, 162, 39, 0));
  --pc-red-wash: rgba(228, 3, 46, .10);
  --pc-radius: 2px;
  padding-bottom: calc(var(--unit) * 8);
}

.page-contact a {
  color: var(--c-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 3, 46, .35);
  transition: border-color var(--dur), color var(--dur);
}

.page-contact a:hover,
.page-contact a:focus-visible {
  color: var(--c-white);
  border-bottom-color: var(--c-red);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: calc(var(--unit) * 4);
}

.page-contact .contact-crumb a {
  border-bottom: 0;
  color: var(--c-muted);
}

.page-contact .contact-crumb a:hover {
  color: var(--c-white);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--unit) * 6);
  padding-bottom: calc(var(--unit) * 7);
  border-bottom: 1px solid var(--c-grid);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(680px 340px at 12% 0%, var(--pc-red-wash), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-eyebrow {
  color: var(--c-gold);
  margin-bottom: calc(var(--unit) * 2);
}

.page-contact .contact-h1 {
  max-width: 16em;
  margin-bottom: calc(var(--unit) * 3);
  color: var(--c-white);
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -.01em;
}

.page-contact .contact-lede {
  max-width: 40em;
  color: var(--c-text);
  margin: 0;
}

.page-contact .contact-quickmeta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--unit) * 2) calc(var(--unit) * 3);
  margin: calc(var(--unit) * 5) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-quickmeta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: calc(var(--unit) * 2);
  border-left: 2px solid var(--c-red);
  min-width: 0;
}

.page-contact .contact-quickmeta strong {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: .01em;
}

/* ---------- 01 渠道 ---------- */
.page-contact .contact-channels-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--unit) * 4);
  align-items: start;
}

.page-contact .contact-channel-list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--unit) * 3);
  min-width: 0;
}

.page-contact .contact-channel {
  position: relative;
  padding: calc(var(--unit) * 5) calc(var(--unit) * 3) calc(var(--unit) * 3);
  transition: border-color var(--dur), background var(--dur), transform var(--dur);
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  border-color: rgba(228, 3, 46, .55);
  background: linear-gradient(180deg, rgba(228, 3, 46, .06), transparent 72%), var(--c-panel);
  transform: translateY(-2px);
}

.page-contact .contact-channel-idx {
  position: absolute;
  top: calc(var(--unit) * 2);
  right: calc(var(--unit) * 2.5);
  font-size: 30px;
  line-height: 1;
  color: var(--c-gold);
  opacity: .55;
}

.page-contact .contact-channel h3 {
  margin: 0 0 calc(var(--unit) * 2);
  color: var(--c-white);
}

.page-contact .contact-channel-desc {
  margin: 0 0 calc(var(--unit) * 3);
  color: var(--c-text);
  font-size: 15px;
}

.page-contact .contact-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: calc(var(--unit) * 2);
  padding: calc(var(--unit) * 1.5) calc(var(--unit) * 2);
  background: rgba(10, 11, 14, .65);
  border: 1px solid var(--c-grid);
  border-left: 2px solid var(--c-red);
  border-radius: var(--pc-radius);
}

.page-contact .contact-copy-text {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-white);
  word-break: break-all;
  flex: 1 1 12em;
  min-width: 0;
}

.page-contact .contact-copy-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-contact .contact-channel-note {
  margin: calc(var(--unit) * 2) 0 0;
}

.page-contact .contact-channel-aside {
  display: flex;
  flex-direction: column;
  gap: calc(var(--unit) * 3);
  min-width: 0;
}

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

.page-contact .contact-channel-figure img,
.page-contact .contact-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-scene-panel {
  padding: calc(var(--unit) * 4);
}

.page-contact .contact-scene-list {
  display: grid;
  gap: calc(var(--unit) * 2);
  margin: calc(var(--unit) * 2) 0 0;
}

.page-contact .contact-scene-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: calc(var(--unit) * 2);
  align-items: baseline;
  padding-bottom: calc(var(--unit) * 2);
  border-bottom: 1px dashed var(--c-grid);
}

.page-contact .contact-scene-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-scene-list dt {
  color: var(--c-muted);
  font-size: 15px;
  min-width: 0;
}

.page-contact .contact-scene-list dd {
  margin: 0;
  color: var(--c-red);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}

/* ---------- 02 邮件模板 ---------- */
.page-contact .contact-mail-rule {
  height: 1px;
  margin: calc(var(--unit) * 4) 0 0;
  background: var(--pc-gold-line);
  opacity: .8;
}

.page-contact .contact-mail-body {
  max-width: 46em;
  margin-top: calc(var(--unit) * 4);
}

.page-contact .contact-mail-body > p {
  margin: 0 0 calc(var(--unit) * 4);
  color: var(--c-text);
}

.page-contact .contact-mail-accordion {
  border-top: 1px solid var(--c-grid);
}

.page-contact .contact-mail-template {
  margin: 0 0 calc(var(--unit) * 2);
  padding: calc(var(--unit) * 3);
  background: rgba(10, 11, 14, .72);
  border-left: 2px solid var(--c-gold);
  border-radius: var(--pc-radius);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--c-text);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* ---------- 03 反馈提交流程 ---------- */
.page-contact .contact-flow-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--unit) * 3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-flow-step {
  position: relative;
  padding: calc(var(--unit) * 4) calc(var(--unit) * 3) calc(var(--unit) * 3) calc(var(--unit) * 8);
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  border-radius: var(--pc-radius);
  min-width: 0;
}

.page-contact .contact-flow-num {
  position: absolute;
  left: calc(var(--unit) * 2.5);
  top: calc(var(--unit) * 3.5);
  font-size: 30px;
  line-height: 1;
  color: var(--c-red);
}

.page-contact .contact-flow-step h3 {
  margin: 0 0 calc(var(--unit) * 2);
  color: var(--c-white);
}

.page-contact .contact-flow-step p {
  margin: 0;
  color: var(--c-text);
  font-size: 15px;
}

.page-contact .contact-flow-figure {
  margin: calc(var(--unit) * 5) 0 0;
}

/* ---------- 04 跟进节奏 ---------- */
.page-contact .contact-cadence-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--unit) * 4);
  align-items: start;
}

.page-contact .contact-cadence-main {
  min-width: 0;
}

.page-contact .contact-cadence-main > p {
  margin: 0 0 calc(var(--unit) * 3);
  color: var(--c-text);
}

.page-contact .contact-cadence-table {
  width: 100%;
  border-collapse: collapse;
}

.page-contact .contact-cadence-table caption {
  text-align: left;
  margin-bottom: calc(var(--unit) * 2);
  color: var(--c-muted);
}

.page-contact .contact-cadence-table th,
.page-contact .contact-cadence-table td {
  text-align: left;
  padding: calc(var(--unit) * 1.5) calc(var(--unit) * 2);
  border-bottom: 1px solid var(--c-grid);
  font-size: 14px;
  vertical-align: top;
}

.page-contact .contact-cadence-table thead th {
  color: var(--c-gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
}

.page-contact .contact-cadence-table tbody td {
  color: var(--c-text);
}

.page-contact .contact-status-panel {
  padding: calc(var(--unit) * 4);
}

.page-contact .contact-status-list {
  display: grid;
  gap: calc(var(--unit) * 3);
  margin: calc(var(--unit) * 3) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-status-list li {
  padding-left: calc(var(--unit) * 2);
  border-left: 1px solid var(--c-grid);
}

.page-contact .contact-status-list .status {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--unit));
}

.page-contact .contact-status-list .status-dot--on {
  background: var(--c-red);
}

.page-contact .contact-status-list .status-dot--live {
  background: var(--c-green);
}

.page-contact .contact-status-list .status-dot--gold {
  background: var(--c-gold);
}

.page-contact .contact-status-list p {
  margin: calc(var(--unit)) 0 0;
}

/* ---------- 05 站点信息 ---------- */
.page-contact .contact-site-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--unit) * 3);
}

.page-contact .contact-site-card {
  padding: calc(var(--unit) * 3) calc(var(--unit) * 3.5);
  border-left: 2px solid var(--c-gold);
  min-width: 0;
}

.page-contact .contact-site-value {
  margin: calc(var(--unit)) 0 0;
  color: var(--c-white);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .contact-site-note {
  margin-top: calc(var(--unit) * 3);
}

/* ---------- 06 常见疑问 ---------- */
.page-contact .contact-faq-accordion {
  border-top: 1px solid var(--c-grid);
}

.page-contact .accordion-panel a {
  border-bottom: 1px solid rgba(228, 3, 46, .35);
}

/* ---------- CTA ---------- */
.page-contact .contact-cta-inner {
  display: flex;
  flex-direction: column;
  gap: calc(var(--unit) * 4);
  padding: calc(var(--unit) * 5) calc(var(--unit) * 4);
  background:
    linear-gradient(135deg, rgba(228, 3, 46, .10), transparent 62%),
    var(--c-panel);
  border: 1px solid var(--c-grid);
  border-radius: var(--pc-radius);
}

.page-contact .contact-cta-copy {
  min-width: 0;
}

.page-contact .contact-cta-copy h2 {
  margin: calc(var(--unit) * 1.5) 0 calc(var(--unit) * 2);
  color: var(--c-white);
}

.page-contact .contact-cta-copy p {
  margin: 0;
  color: var(--c-text);
  font-size: 15px;
}

.page-contact .contact-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--unit) * 2);
}

.page-contact .contact-cta-actions .btn {
  border-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-h1 {
    font-size: 46px;
  }

  .page-contact .contact-quickmeta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-contact .contact-site-card--wide {
    grid-column: span 2;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: calc(var(--unit) * 8);
    padding-bottom: calc(var(--unit) * 9);
  }

  .page-contact .contact-h1 {
    font-size: 58px;
  }

  .page-contact .contact-channels-split {
    grid-template-columns: 5fr 7fr;
    gap: calc(var(--unit) * 6);
  }

  .page-contact .contact-channel-aside {
    position: sticky;
    top: calc(var(--unit) * 8);
  }

  .page-contact .contact-cadence-split {
    grid-template-columns: 7fr 5fr;
    gap: calc(var(--unit) * 6);
  }

  .page-contact .contact-flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-flow-step {
    padding-left: calc(var(--unit) * 3);
    padding-top: calc(var(--unit) * 8);
  }

  .page-contact .contact-flow-num {
    left: calc(var(--unit) * 3);
    top: calc(var(--unit) * 3);
  }

  .page-contact .contact-site-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-site-card--wide {
    grid-column: span 2;
  }

  .page-contact .contact-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: calc(var(--unit) * 6);
  }

  .page-contact .contact-cta-copy {
    flex: 1 1 auto;
    max-width: 34em;
  }

  .page-contact .contact-cta-actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-h1 {
    font-size: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact a,
  .page-contact .contact-channel,
  .page-contact .contact-channel::after {
    transition: none;
  }

  .page-contact .contact-channel:hover,
  .page-contact .contact-channel:focus-within {
    transform: none;
  }
}
<<<END>>>