.page-contact {
  --pc-line: rgba(34, 230, 255, 0.28);
  --pc-line-soft: rgba(201, 192, 174, 0.16);
  --pc-glow: rgba(255, 122, 26, 0.3);
}

.page-contact .contact-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding: clamp(24px, 5vw, 64px) 0 clamp(34px, 5vw, 68px);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .hero-main h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text-hi);
}

.page-contact .hero-main .lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.85;
  color: var(--text-mid);
}

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

.page-contact .hero-rail {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .rail-item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-left: 2px solid var(--violet-500);
  background: linear-gradient(90deg, rgba(123, 43, 255, 0.14), rgba(16, 10, 28, 0));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .rail-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-contact .rail-val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mid);
}

.page-contact .pc-section {
  padding: clamp(34px, 5.5vw, 68px) 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 2.8vw, 2.05rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text-hi);
}

.page-contact .pc-lede {
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-mid);
}

/* 通道卡片 */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pc-line);
  background:
    linear-gradient(158deg, rgba(26, 18, 48, 0.92), rgba(16, 10, 28, 0.94));
  transition: border-color 0.16s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--orange-500);
  box-shadow: 0 0 20px var(--pc-glow);
  transform: translateY(-2px);
}

.page-contact .channel-card--mail { border-color: rgba(34, 230, 255, 0.34); color: var(--cyan-400); }
.page-contact .channel-card--phone { border-color: rgba(177, 140, 255, 0.38); color: var(--violet-300); }
.page-contact .channel-card--ticket { border-color: rgba(255, 46, 166, 0.32); color: var(--magenta-500); }

.page-contact .px-icon {
  width: 40px;
  height: 40px;
  display: block;
  margin-bottom: 16px;
}

.page-contact .channel-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.3;
  color: var(--text-hi);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-contact .channel-meta {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-hi);
}

.page-contact .channel-link {
  margin-top: 14px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 26, 0.45);
  padding-bottom: 3px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .channel-link:hover,
.page-contact .channel-link:focus-visible {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
}

/* 信息带 */
.page-contact .contact-band {
  display: grid;
  gap: 18px;
}

.page-contact .band-card {
  padding: clamp(22px, 3.2vw, 34px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(123, 43, 255, 0.3);
  background: linear-gradient(200deg, rgba(26, 18, 48, 0.96), rgba(16, 10, 28, 0.96));
}

.page-contact .band-card--addr {
  border-color: rgba(34, 230, 255, 0.24);
}

.page-contact .band-card > p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-contact .mono-line {
  display: block;
  margin: 18px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.7vw, 1.3rem);
  letter-spacing: 0.01em;
  color: var(--cyan-400);
  word-break: break-all;
}

.page-contact .copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .copy-btn {
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--orange-500);
  color: var(--orange-500);
}

/* 时间带 */
.page-contact .timeband {
  margin: 24px 0 6px;
}

.page-contact .timeband-track {
  display: flex;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--pc-line-soft);
}

.page-contact .timeband-seg {
  display: block;
  height: 100%;
}

.page-contact .timeband-seg--mail {
  flex: 0 0 37.5%;
  background: linear-gradient(90deg, var(--violet-500), var(--cyan-400));
}

.page-contact .timeband-seg--ticket {
  flex: 1 1 auto;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 122, 26, 0.6) 0 6px,
    rgba(255, 122, 26, 0.16) 6px 12px
  );
}

.page-contact .timeband-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-mid);
}

.page-contact .band-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mid);
}

.page-contact .band-note a,
.page-contact .tail-note a,
.page-contact .biz-tail a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 255, 0.4);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .band-note a:hover,
.page-contact .tail-note a:hover,
.page-contact .biz-tail a:hover {
  color: var(--orange-500);
  border-color: var(--orange-500);
}

.page-contact .addr-block {
  margin: 8px 0 20px;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--text-hi);
  background: rgba(7, 4, 14, 0.55);
  border-left: 2px solid var(--orange-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .band-card--addr img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 230, 255, 0.3);
  object-fit: cover;
}

/* 工单 */
.page-contact .ticket-panel {
  padding: clamp(22px, 3.4vw, 38px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--pc-line);
  background:
    radial-gradient(130% 130% at 0% 0%, rgba(123, 43, 255, 0.2), transparent 62%),
    var(--ink-900);
}

.page-contact .ticket-panel > p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-mid);
}

.page-contact .ticket-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-contact .ticket-steps > li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 2px solid var(--violet-500);
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-contact .step-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15.5px;
  color: var(--text-hi);
}

.page-contact .step-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-contact .flow-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 230, 255, 0.28);
  object-fit: cover;
}

/* 商务合作 */
.page-contact .biz {
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 44px);
}

.page-contact .biz-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--violet-500);
}

.page-contact .biz p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .biz-mono {
  display: block;
  margin: 18px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.2rem);
  word-break: break-all;
}

.page-contact .biz-tail {
  margin: 0;
  font-size: 14px;
}

/* 自查清单 */
.page-contact .checklist {
  counter-reset: chk;
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .checklist > li {
  counter-increment: chk;
  margin: 0;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius-md);
  background: var(--ink-900);
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .check-item::before {
  content: counter(chk, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  padding-top: 4px;
  transition: color 0.16s var(--ease);
}

.page-contact .check-item:hover {
  border-color: rgba(255, 122, 26, 0.55);
}

.page-contact .checklist > li:has(.check-box:checked) .check-item {
  border-color: var(--orange-500);
  background: rgba(255, 122, 26, 0.08);
}

.page-contact .checklist > li:has(.check-box:checked) .check-item::before {
  color: var(--orange-500);
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  border: 1px solid var(--cyan-400);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  flex: none;
  transition: background 0.16s var(--ease), box-shadow 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .check-box:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-contact .check-box:checked {
  background: var(--orange-500);
  border-color: var(--orange-500);
  box-shadow: inset 0 0 0 4px var(--ink-900);
}

.page-contact .check-body {
  display: block;
  min-width: 0;
}

.page-contact .check-title {
  display: block;
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--text-hi);
}

.page-contact .check-desc {
  display: block;
  margin-top: 4px;
  font-size: 13.8px;
  line-height: 1.75;
  color: var(--text-mid);
}

.page-contact .tail-note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-mid);
}

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
  }

  .page-contact .contact-band {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }

  .page-contact .ticket-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 32px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: -14px;
  }

  .page-contact .band-card--addr {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .check-item,
  .page-contact .copy-btn {
    transition: none;
  }

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