.page-contact {
  --contact-hairline: rgba(201, 209, 227, .18);
  --contact-hairline-paper: rgba(42, 29, 24, .16);
}

/* 面包屑 */
.page-contact .contact-crumb {
  padding-top: 20px;
  padding-bottom: 6px;
}
.page-contact .contact-crumb .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: var(--step-mono);
  letter-spacing: .06em;
  color: var(--silver-dim);
}
.page-contact .contact-crumb .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--silver-dim);
  opacity: .55;
}
.page-contact .contact-crumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.page-contact .contact-crumb a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 信头式首屏 */
.page-contact .contact-hero {
  padding-block: clamp(24px, 4vw, 44px) clamp(30px, 5vw, 56px);
  color: var(--mist);
}
.page-contact .contact-hero__grid {
  row-gap: clamp(28px, 4vw, 44px);
  align-items: start;
}
.page-contact .contact-hero__main {
  min-width: 0;
}
.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--step-display);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--mist);
}
.page-contact .contact-hero__lead {
  margin-top: 18px;
  max-width: 34em;
  color: var(--silver);
  font-size: var(--step-body);
  line-height: 1.85;
}

/* 大号邮箱与电话 */
.page-contact .contact-lines {
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--contact-hairline);
}
.page-contact .contact-line {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--contact-hairline);
}
.page-contact .contact-line__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .18em;
  color: var(--silver-dim);
}
.page-contact .contact-line__value {
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.2vw, 1.9rem);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--amber-soft);
  word-break: break-word;
  -webkit-user-select: all;
  user-select: all;
  transition: color .2s ease;
}
.page-contact .contact-line:hover .contact-line__value {
  color: var(--amber);
}
.page-contact .contact-line__meta {
  margin: 0;
  max-width: 32em;
  font-size: var(--step-note);
  line-height: 1.75;
  color: var(--silver);
}

@media (min-width: 720px) {
  .page-contact .contact-line {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    grid-template-areas:
      "label value"
      ".     meta";
    column-gap: 20px;
    align-items: baseline;
  }
  .page-contact .contact-line__label { grid-area: label; }
  .page-contact .contact-line__value { grid-area: value; }
  .page-contact .contact-line__meta { grid-area: meta; margin-top: 4px; }
}

/* 右窄栏：工作时间与快捷路径 */
.page-contact .contact-hero__side {
  display: grid;
  gap: 16px;
  min-width: 0;
}
.page-contact .contact-hours {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: var(--ink-2);
  border: 1px solid var(--contact-hairline);
}
.page-contact .contact-hours__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .12em;
  color: var(--jade);
}
.page-contact .contact-hours .status-dot {
  background: var(--jade);
  box-shadow: 0 0 0 4px rgba(111, 175, 158, .16);
}
.page-contact .contact-hours__text {
  margin: 0;
  font-size: var(--step-note);
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .contact-shortcuts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-contact .contact-shortcuts a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--contact-hairline);
  font-size: var(--step-note);
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease;
}
.page-contact .contact-shortcuts a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--silver-dim);
  transition: color .2s ease, transform .2s ease;
}
.page-contact .contact-shortcuts a:hover {
  border-color: var(--amber);
  background: rgba(242, 166, 90, .10);
  color: var(--amber-soft);
}
.page-contact .contact-shortcuts a:hover::after {
  color: var(--amber);
  transform: translateX(3px);
}

/* 氛围图 */
.page-contact .contact-band {
  padding-bottom: clamp(34px, 5vw, 60px);
}
.page-contact .contact-band__figure {
  margin: 0;
}
.page-contact .contact-band__figure .figure__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  border: 1px solid var(--contact-hairline);
}
.page-contact .contact-band__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: brightness(.84) saturate(.9);
}
.page-contact .contact-band__figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .04em;
  color: var(--silver-dim);
}

/* 纸面区：工单路径 + 联系前准备 */
.page-contact .contact-flow {
  padding-block: clamp(40px, 6vw, 80px);
  color: var(--brown);
}
.page-contact .contact-flow__grid {
  row-gap: clamp(28px, 4vw, 44px);
  align-items: start;
}
.page-contact .contact-flow__intro h2,
.page-contact .contact-prep h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  line-height: 1.35;
  color: var(--brown);
}
.page-contact .contact-flow__intro p,
.page-contact .contact-prep p {
  margin-top: 14px;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--brown);
  opacity: .82;
}
.page-contact .contact-flow__intro .btn {
  margin-top: 22px;
}

.page-contact .ticket-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-hairline-paper);
}
.page-contact .ticket-steps > li {
  border-bottom: 1px solid var(--contact-hairline-paper);
}
.page-contact .ticket-step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
  color: var(--brown);
  transition: color .2s ease;
}
.page-contact .ticket-step summary::-webkit-details-marker {
  display: none;
}
.page-contact .ticket-step summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--rust);
  transition: transform .2s ease;
}
.page-contact .ticket-step[open] summary::after {
  content: "–";
}
.page-contact .ticket-step summary:hover {
  color: var(--rust);
}
.page-contact .ticket-step__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .1em;
  color: var(--rust);
}
.page-contact .ticket-step__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
}
.page-contact .ticket-step__body {
  padding: 0 0 18px 42px;
  max-width: 42em;
  font-size: var(--step-note);
  line-height: 1.85;
  color: var(--brown);
  opacity: .85;
}

.page-contact .contact-flow__rule {
  margin-block: clamp(36px, 5vw, 60px);
}

.page-contact .contact-prep {
  display: block;
}
.page-contact .contact-prep .grid-12 {
  row-gap: clamp(24px, 4vw, 36px);
  align-items: start;
}
.page-contact .contact-prep__list {
  min-width: 0;
}
.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}
.page-contact .prep-list li {
  display: grid;
  gap: 5px;
  padding: 15px 0 15px 18px;
  border-left: 2px solid var(--rust);
  border-bottom: 1px solid var(--contact-hairline-paper);
}
.page-contact .prep-list li:first-child {
  border-top: 1px solid var(--contact-hairline-paper);
}
.page-contact .prep-list__k {
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .16em;
  color: var(--rust);
}
.page-contact .prep-list__t {
  margin: 0;
  font-size: var(--step-note);
  line-height: 1.8;
  color: var(--brown);
  opacity: .86;
}

@media (min-width: 760px) {
  .page-contact .prep-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }
  .page-contact .prep-list li:nth-child(2) {
    border-top: 1px solid var(--contact-hairline-paper);
  }
}

/* 合作事务 */
.page-contact .contact-collab {
  padding-block: clamp(40px, 6vw, 80px);
  color: var(--mist);
  background: var(--ink-2);
}
.page-contact .contact-collab__grid {
  row-gap: clamp(26px, 4vw, 40px);
  align-items: start;
}
.page-contact .contact-collab h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  line-height: 1.35;
  color: var(--mist);
}
.page-contact .contact-collab p {
  margin-top: 14px;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--silver);
}
.page-contact .contact-collab__list {
  min-width: 0;
}
.page-contact .collab-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .collab-list li {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(11, 16, 38, .55);
  border: 1px solid var(--contact-hairline);
  font-size: var(--step-note);
  line-height: 1.8;
  color: var(--silver);
  transition: border-color .2s ease, background-color .2s ease;
}
.page-contact .collab-list li:hover {
  border-color: rgba(242, 166, 90, .55);
  background: rgba(21, 28, 61, .9);
}
.page-contact .collab-list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--amber-soft);
}
.page-contact .contact-collab .collab-note {
  margin-top: 16px;
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-size: var(--step-note);
  color: var(--silver-dim);
}

/* 地址与地域 */
.page-contact .contact-place {
  position: relative;
  overflow: hidden;
  padding-block: clamp(44px, 6vw, 84px) clamp(48px, 7vw, 92px);
  background: var(--ink);
  color: var(--mist);
}
.page-contact .contact-place__map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .55;
  pointer-events: none;
}
.page-contact .contact-place__inner {
  position: relative;
  z-index: 1;
}
.page-contact .contact-place .grid-12 {
  row-gap: clamp(28px, 4vw, 44px);
  align-items: start;
}
.page-contact .contact-place__text {
  min-width: 0;
}
.page-contact .contact-place h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  line-height: 1.35;
  color: var(--mist);
}
.page-contact .contact-address {
  display: block;
  margin: 22px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--amber);
  font-style: normal;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.6vw, 1.5rem);
  line-height: 1.65;
  color: var(--mist);
}
.page-contact .contact-place__note {
  margin-top: 18px;
  max-width: 34em;
  font-size: var(--step-note);
  line-height: 1.85;
  color: var(--silver);
}
.page-contact .contact-place__icp {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .1em;
  color: var(--silver-dim);
}
.page-contact .contact-place__visual {
  min-width: 0;
}
.page-contact .contact-place__figure {
  margin: 0;
}
.page-contact .contact-place__figure .figure__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--contact-hairline);
  background: var(--ink-2);
}
.page-contact .contact-place__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: brightness(.78) saturate(.86);
}
.page-contact .contact-place__figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--silver-dim);
}
.page-contact .contact-place__sign {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--contact-hairline);
  font-size: var(--step-note);
  line-height: 1.8;
  color: var(--silver);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-line__value,
  .page-contact .contact-shortcuts a,
  .page-contact .contact-shortcuts a::after,
  .page-contact .ticket-step summary,
  .page-contact .ticket-step summary::after,
  .page-contact .collab-list li {
    transition: none;
  }
}
<<<END>>>