.page-contact {
  --contact-edge: 18px;
  padding-block: 26px 72px;
}

.page-contact .breadcrumbs {
  margin-bottom: 18px;
}

.page-contact .contact-hero {
  position: relative;
  padding: 26px 20px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(245, 169, 75, 0.16) 0%, rgba(245, 169, 75, 0) 52%),
    radial-gradient(90% 120% at 0% 100%, rgba(47, 227, 214, 0.14) 0%, rgba(47, 227, 214, 0) 58%),
    var(--surface-1);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--amber), var(--cyan), transparent);
  opacity: 0.7;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 50px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-contact .contact-hero .lede {
  margin-top: 14px;
  max-width: 34ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .hero-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .hero-facts__k {
  flex: 0 0 74px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-contact .hero-facts__v {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

/* 渠道 + 工单 */
.page-contact .reach {
  margin-top: 46px;
}

.page-contact .reach__grid {
  display: grid;
  gap: 34px;
}

.page-contact .reach__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 5.2vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .reach__desc {
  margin: 10px 0 22px;
  max-width: 32ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-card {
  position: relative;
  margin-bottom: 18px;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-shadow: var(--shadow-card);
  isolation: isolate;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: var(--radius);
  transform: translate(6px, 6px);
  background: var(--surface-2);
  opacity: 0.55;
}

.page-contact .channel-card--amber {
  border-color: rgba(245, 169, 75, 0.45);
}

.page-contact .channel-card--cyan {
  border-color: rgba(47, 227, 214, 0.42);
}

.page-contact .channel-card--violet {
  border-color: var(--line-strong);
}

.page-contact .channel-card__name {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .channel-card__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--amber);
  word-break: break-word;
}

.page-contact .channel-card--cyan .channel-card__value {
  color: var(--cyan);
}

.page-contact .channel-card--violet .channel-card__value {
  font-family: var(--font-text);
  font-size: 15px;
  letter-spacing: 0;
  color: var(--white);
}

.page-contact .channel-card__use {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--white);
  opacity: 0.88;
}

.page-contact .channel-card__note {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 工单流程 */
.page-contact .flow-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .flow-figure__caption {
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--surface-1);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: step;
}

.page-contact .step {
  position: relative;
  padding-left: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-1);
  overflow: hidden;
  transition: border-color 220ms ease-out;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 52px;
  background: linear-gradient(160deg, rgba(47, 227, 214, 0.28), rgba(47, 227, 214, 0.04));
  clip-path: polygon(0 0, 100% 0, 34% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .step[open] {
  border-color: rgba(47, 227, 214, 0.55);
}

.page-contact .step summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 40px 14px 8px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .step summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

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

.page-contact .step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .step__label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .step__hint {
  display: none;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .step__body {
  padding: 0 18px 16px 46px;
  animation: contact-reveal 240ms ease-out both;
}

.page-contact .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

@keyframes contact-reveal {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 准备材料 */
.page-contact .prep {
  margin-top: 52px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.page-contact .prep__grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .prep-block {
  padding: 16px 16px 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.page-contact .prep-block:nth-child(2) {
  border-left-color: var(--amber-2);
}

.page-contact .prep-block:nth-child(3) {
  border-left-color: var(--cyan);
}

.page-contact .prep-block:nth-child(4) {
  border-left-color: var(--violet);
}

.page-contact .prep-block__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .prep-list label {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--muted);
  cursor: pointer;
}

.page-contact .prep-list input {
  flex: 0 0 auto;
  margin-top: 4px;
  width: 14px;
  height: 14px;
  accent-color: var(--cyan);
}

.page-contact .prep-list input:checked + * ,
.page-contact .prep-list input:checked {
  color: var(--white);
}

.page-contact .prep-list label:has(input:checked) {
  color: var(--white);
}

.page-contact .prep__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .prep__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 214, 0.5);
}

/* 服务节奏 */
.page-contact .rhythm {
  margin-top: 52px;
  padding: 26px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(19, 41, 74, 0.95) 0%, rgba(13, 30, 56, 0.98) 62%),
    var(--surface-1);
}

.page-contact .rhythm__grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .rhythm__cell {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(7, 19, 37, 0.55);
}

.page-contact .rhythm__cell--wide {
  background: linear-gradient(120deg, rgba(47, 227, 214, 0.14), rgba(7, 19, 37, 0.5) 70%);
  border-color: rgba(47, 227, 214, 0.4);
}

.page-contact .rhythm__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-contact .rhythm__v {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .rhythm__cell--wide .rhythm__v {
  color: var(--cyan);
}

.page-contact .rhythm__cell p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .rhythm__links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .rhythm__links li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .rhythm__links li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: skewX(-16deg);
}

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

/* 地址与备案 */
.page-contact .archive {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: 20px;
}

.page-contact .archive__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink);
}

.page-contact .archive__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.82;
}

.page-contact .archive__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .archive__facts {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .archive__row {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .archive__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-contact .archive__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-contact .archive__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

@media (min-width: 620px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .hero-facts li {
    display: block;
    border-bottom: none;
    border-left: 2px solid var(--line-strong);
    padding: 0 0 0 12px;
  }

  .page-contact .hero-facts__k {
    display: block;
  }

  .page-contact .hero-facts__v {
    display: block;
    margin-top: 6px;
  }

  .page-contact .prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .rhythm__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .rhythm__cell--wide {
    grid-column: span 1;
  }

  .page-contact .step__hint {
    display: block;
  }

  .page-contact .archive__row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact {
    padding-block: 34px 96px;
  }

  .page-contact .contact-hero {
    padding: 34px 34px 38px;
  }

  .page-contact .contact-hero .lede {
    max-width: 40ch;
    font-size: 17px;
  }

  .page-contact .reach {
    margin-top: 60px;
  }

  .page-contact .reach__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-contact .channel-card:nth-child(4) {
    margin-left: 6px;
  }

  .page-contact .step__body {
    padding-left: 72px;
    max-width: 46ch;
  }

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

  .page-contact .rhythm {
    padding: 34px 30px;
  }

  .page-contact .rhythm__cell--wide {
    grid-column: span 1;
  }

  .page-contact .rhythm__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .archive {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 34px;
    align-items: start;
    padding-top: 34px;
  }

  .page-contact .archive__figure {
    align-self: stretch;
  }

  .page-contact .archive__figure img {
    height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .step__body {
    animation: none;
  }

  .page-contact .step {
    transition: none;
  }
}
<<<END>>>