.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-pad: clamp(18px, 2.6vw, 28px);
  display: block;
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gray);
}

.page-contact .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-intro {
  max-width: 940px;
  padding: clamp(22px, 4vw, 46px) 0 clamp(16px, 2.4vw, 26px);
}

.page-contact .contact-intro h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.2vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .intro-lead {
  max-width: 720px;
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 横幅 ---------- */

.page-contact .contact-banner {
  position: relative;
  max-width: var(--shell);
  margin: clamp(16px, 2.6vw, 30px) auto 0;
  padding: 0 var(--gutter);
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: clamp(160px, 24vw, 300px);
  object-fit: cover;
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
}

/* ---------- 主体分栏 ---------- */

.page-contact .contact-body {
  padding-top: clamp(32px, 5vw, 58px);
}

.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .split-main,
.page-contact .split-aside {
  display: flex;
  flex-direction: column;
  gap: var(--pc-gap);
  min-width: 0;
}

@media (min-width: 980px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

.page-contact .section-head {
  margin-bottom: clamp(12px, 1.8vw, 20px);
}

/* ---------- 联系方式 ---------- */

.page-contact .reach-card {
  padding: var(--pc-pad);
  margin-bottom: var(--pc-gap);
}

.page-contact .reach-card:last-child {
  margin-bottom: 0;
}

.page-contact .reach-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .reach-value,
.page-contact .reach-address {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-weight: 700;
  line-height: 1.28;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .reach-value {
  font-size: clamp(17px, 3.4vw, 33px);
  letter-spacing: 0.01em;
}

.page-contact .reach-address {
  font-size: clamp(15px, 1.5vw, 19px);
  letter-spacing: 0.02em;
}

.page-contact .reach-card--address {
  border-left: 3px solid var(--lava);
}

.page-contact .reach-note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

.page-contact .reach-meta {
  margin: 14px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .copy-btn {
  margin-top: 16px;
}

/* ---------- 受理范围 ---------- */

.page-contact .scope-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-item details {
  background: var(--navy);
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease);
}

.page-contact .scope-item details:hover,
.page-contact .scope-item details[open] {
  border-color: var(--cyan);
}

.page-contact .scope-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px clamp(14px, 2vw, 20px);
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

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

.page-contact .scope-summary::marker {
  content: "";
}

.page-contact .scope-mark {
  flex: none;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform var(--t-base) var(--ease);
}

.page-contact .scope-item details[open] .scope-mark {
  transform: rotate(45deg);
}

.page-contact .scope-desc {
  margin: 0;
  padding: 0 clamp(14px, 2vw, 20px) 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

/* ---------- 咨询前准备 ---------- */

.page-contact .prepare-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prepare-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 0;
  border-bottom: 1px solid var(--steel);
}

.page-contact .prepare-item:first-child {
  padding-top: 0;
}

.page-contact .prepare-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .prepare-idx {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lava);
}

.page-contact .prepare-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

.page-contact .prepare-item strong {
  color: var(--white);
  font-weight: 600;
}

/* ---------- 处理流程 ---------- */

.page-contact .contact-process {
  margin-top: clamp(38px, 6vw, 78px);
}

.page-contact .process-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .process-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-contact .process-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--navy);
  border: 1px solid var(--steel);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-contact .process-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--lava));
  background-size: 400% 100%;
}

.page-contact .process-step:nth-child(1)::before {
  background-position: 0% 0;
}

.page-contact .process-step:nth-child(2)::before {
  background-position: 34% 0;
}

.page-contact .process-step:nth-child(3)::before {
  background-position: 67% 0;
}

.page-contact .process-step:nth-child(4)::before {
  background-position: 100% 0;
}

.page-contact .process-step:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .step-num {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: var(--ink);
  background: var(--cyan);
  border-radius: var(--radius-pill);
}

.page-contact .step-title {
  margin: 2px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .step-body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray);
}

.page-contact .process-figure {
  margin: 0;
  min-width: 0;
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--navy);
}

.page-contact .process-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .process-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }
}

/* ---------- 常见分类 ---------- */

.page-contact .contact-topics {
  margin-top: clamp(38px, 6vw, 78px);
}

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

.page-contact .topic-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--navy);
  border: 1px solid var(--steel);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease),
    background-color var(--t-base) var(--ease);
}

.page-contact .topic-card:hover,
.page-contact .topic-card:focus-visible {
  border-color: var(--cyan);
  background: #12293f;
  transform: translateY(-2px);
}

.page-contact .topic-tag {
  align-self: flex-start;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--steel);
  border-radius: var(--radius-pill);
}

.page-contact .topic-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-contact .topic-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

@media (min-width: 720px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 20px;
    row-gap: 18px;
  }

  .page-contact .topic-grid > li:nth-child(even) {
    transform: translateY(26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-grid > li:nth-child(even) {
    transform: none;
  }

  .page-contact .topic-card:hover,
  .page-contact .topic-card:focus-visible,
  .page-contact .process-step:hover {
    transform: none;
  }
}
<<<END>>>