.page-contact {
  --ct-shadow: 0 18px 48px rgba(6, 26, 43, 0.35);
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding: 28px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(77, 224, 255, 0.12), transparent 62%),
    radial-gradient(80% 70% at 0% 30%, rgba(185, 133, 75, 0.14), transparent 60%),
    var(--ink-900);
}
.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.28;
  pointer-events: none;
}
.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 26, 43, 0.45) 0%, var(--ink-900) 88%);
}
.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
}
.page-contact .ct-hero .breadcrumb {
  margin-bottom: 34px;
}
.page-contact .ct-hero__grid {
  display: grid;
  gap: 40px;
  align-items: start;
}
.page-contact .ct-hero__lead h1 {
  font-family: var(--font-head);
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 14px 0 22px;
  color: var(--paper);
  max-width: 15ch;
}
.page-contact .ct-hero__lead .lede {
  max-width: 60ch;
  color: rgba(242, 246, 248, 0.78);
}
.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* 状态卡 */
.page-contact .ct-status-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(12, 42, 68, 0.94), rgba(6, 26, 43, 0.9));
  padding: 22px 22px 20px;
  box-shadow: var(--ct-shadow);
}
.page-contact .ct-status-card__row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(39, 70, 95, 0.9);
}
.page-contact .ct-status-card__row:last-of-type {
  border-bottom: 0;
}
.page-contact .ct-status-card__key {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-contact .ct-status-card__val {
  color: var(--cyan);
  font-size: 13px;
  text-align: right;
}
.page-contact .ct-status-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 246, 248, 0.66);
}

/* 通用区块头 */
.page-contact .ct-section-head {
  max-width: 68ch;
  margin-bottom: 40px;
}
.page-contact .ct-section-head--tight {
  margin-bottom: 32px;
}
.page-contact .ct-section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 12px 0 16px;
  color: var(--paper);
}
.page-contact .ct-section-head__text {
  margin: 0;
  color: rgba(242, 246, 248, 0.72);
  line-height: 1.8;
  font-size: 16px;
}

/* 渠道 */
.page-contact .ct-channels {
  padding-top: 64px;
}
.page-contact .ct-channels__grid {
  display: grid;
  gap: 18px;
}
.page-contact .ct-channel {
  position: relative;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-850);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), background 0.28s var(--ease);
}
.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 46px;
  height: 3px;
  background: var(--copper);
  border-radius: 0 0 3px 3px;
  transition: width 0.28s var(--ease);
}
.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translateY(-3px);
  border-color: var(--copper-soft);
  background: var(--ink-800);
}
.page-contact .ct-channel:hover::before {
  width: 96px;
}
.page-contact .ct-channel--mail {
  background: linear-gradient(155deg, rgba(12, 42, 68, 0.98), rgba(6, 26, 43, 0.98));
}
.page-contact .ct-channel__index {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper-soft);
}
.page-contact .ct-channel__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--paper);
  letter-spacing: -0.01em;
}
.page-contact .ct-channel__value {
  display: block;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--teal);
  word-break: break-word;
}
.page-contact .ct-channel__value--addr {
  color: var(--paper);
  font-family: var(--font-body);
  letter-spacing: 0;
}
.page-contact .ct-channel__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 246, 248, 0.7);
}
.page-contact .ct-channel__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 渠道旁图 */
.page-contact .ct-channels__aside {
  display: grid;
  gap: 28px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.page-contact .ct-channels__media {
  margin: 0;
}
.page-contact .ct-channels__aside-text h3 {
  font-family: var(--font-head);
  font-size: 22px;
  margin: 0 0 14px;
  color: var(--paper);
}
.page-contact .ct-channels__aside-text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 246, 248, 0.74);
}
.page-contact .ct-channels__aside-text p:last-child {
  margin-bottom: 0;
}

/* 分类 */
.page-contact .ct-classify {
  border-top: 1px solid rgba(39, 70, 95, 0.6);
}
.page-contact .ct-classify__grid {
  display: grid;
  gap: 36px;
}
.page-contact .ct-classify__side h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 12px 0 16px;
  color: var(--text-dark);
}
.page-contact .ct-classify__intro {
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 56ch;
}
.page-contact .ct-classify__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-classify__item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(39, 70, 95, 0.28);
}
.page-contact .ct-classify__item:last-child {
  border-bottom: 1px solid rgba(39, 70, 95, 0.28);
}
.page-contact .ct-classify__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  color: var(--copper);
  font-size: 13px;
  line-height: 1;
}
.page-contact .ct-classify__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--text-dark);
  letter-spacing: -0.005em;
}
.page-contact .ct-classify__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .ct-classify__note {
  display: grid;
  gap: 18px;
  align-content: start;
}
.page-contact .ct-classify__card {
  padding: 26px 24px;
}
.page-contact .ct-classify__card h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--text-dark);
}
.page-contact .ct-classify__formula {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--copper);
  word-break: break-word;
}
.page-contact .ct-classify__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .ct-inline-mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-dark);
  background: rgba(39, 70, 95, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 4px;
}
.page-contact .ct-classify__warn {
  background: rgba(224, 163, 58, 0.08);
}
.page-contact .ct-classify__warn p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dark);
}

/* 步骤条 */
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: ct-step;
}
.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 18px;
  padding: 0 0 30px;
}
.page-contact .ct-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--copper) 0%, rgba(39, 70, 95, 0.5) 100%);
}
.page-contact .ct-step__marker {
  position: relative;
  z-index: 1;
  width: 12px;
  height: 12px;
  margin: 6px 0 0 6px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--copper);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.page-contact .ct-step:hover .ct-step__marker {
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 0 0 5px rgba(47, 211, 181, 0.14);
}
.page-contact .ct-step__num {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--copper-soft);
}
.page-contact .ct-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--paper);
  letter-spacing: -0.005em;
}
.page-contact .ct-step__body p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 248, 0.7);
  max-width: 62ch;
}
.page-contact .ct-checklist__foot {
  margin-top: 14px;
  padding: 22px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  background: rgba(12, 42, 68, 0.55);
}
.page-contact .ct-checklist__foot p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(242, 246, 248, 0.76);
}

/* 合作 */
.page-contact .ct-partner {
  padding-top: 0;
}
.page-contact .ct-partner__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}
.page-contact .ct-partner__text h2 {
  font-family: var(--font-head);
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
  color: var(--paper);
}
.page-contact .ct-partner__text > p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 246, 248, 0.75);
  max-width: 64ch;
}
.page-contact .ct-partner__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-partner__list li {
  padding-left: 18px;
  position: relative;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 248, 0.74);
}
.page-contact .ct-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--copper);
}
.page-contact .ct-partner__list .mono {
  color: var(--copper-soft);
  margin-right: 8px;
  font-size: 12.5px;
}
.page-contact .ct-partner__panel {
  padding: 26px 24px;
  border-color: var(--line);
  background: linear-gradient(170deg, rgba(12, 42, 68, 0.96), rgba(6, 26, 43, 0.96));
}
.page-contact .ct-partner__panel-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--paper);
  letter-spacing: -0.005em;
}
.page-contact .ct-meta-list {
  margin: 0;
}
.page-contact .ct-meta-list__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(39, 70, 95, 0.9);
}
.page-contact .ct-meta-list__row:last-child {
  border-bottom: 0;
}
.page-contact .ct-meta-list dt {
  font-size: 13px;
  color: var(--mist);
  flex: 0 0 auto;
}
.page-contact .ct-meta-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal);
  text-align: right;
}
.page-contact .ct-partner__panel-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 246, 248, 0.6);
}

/* 收束 */
.page-contact .ct-closing {
  padding: 0 0 72px;
}
.page-contact .ct-closing__inner {
  position: relative;
  padding: 40px 26px 42px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(110% 130% at 100% 0%, rgba(77, 224, 255, 0.16), transparent 60%),
    linear-gradient(150deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-contact .ct-closing__inner::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(185, 133, 75, 0.35);
  pointer-events: none;
}
.page-contact .ct-closing__inner h2 {
  position: relative;
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 22ch;
}
.page-contact .ct-closing__inner p {
  position: relative;
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 246, 248, 0.74);
  max-width: 62ch;
}
.page-contact .ct-closing__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 断点 */
@media (min-width: 720px) {
  .page-contact .ct-hero {
    padding: 34px 0 84px;
  }
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
    gap: 48px;
  }
  .page-contact .ct-hero__lead h1 {
    max-width: 18ch;
  }
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .ct-channels__aside {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 36px;
    align-items: center;
    margin-top: 52px;
  }
  .page-contact .ct-classify__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 44px;
  }
  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 40px;
  }
  .page-contact .ct-closing__inner {
    padding: 52px 44px 54px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 28px 40px;
  }
  .page-contact .ct-closing__inner h2 {
    grid-column: 1;
    margin-bottom: 0;
  }
  .page-contact .ct-closing__inner p {
    grid-column: 1;
    margin-bottom: 0;
  }
  .page-contact .ct-closing__actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-hero {
    padding: 40px 0 100px;
  }
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
    gap: 72px;
  }
  .page-contact .ct-channels {
    padding-top: 80px;
  }
  .page-contact .ct-steps {
    gap: 0;
    max-width: 920px;
  }
  .page-contact .ct-section-head {
    margin-bottom: 48px;
  }
  .page-contact .ct-classify__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: 64px;
  }
  .page-contact .ct-classify__note {
    position: sticky;
    top: 96px;
  }
  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 64px;
  }
}
<<<END>>>