.page-contact {
  --ct-gap: clamp(20px, 3vw, 34px);
  --ct-main: clamp(40px, 6vw, 68px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(29px, 5.2vw, 50px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-contact .contact-hero__intro {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: rgba(232, 237, 245, 0.8);
}

.page-contact .contact-hero__points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .contact-hero__points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-hero__points li::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--cyan-signal);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(150deg, rgba(34, 224, 200, 0.12), transparent 58%),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 42px),
    var(--ink-800);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed var(--line);
  pointer-events: none;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: var(--ct-main);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(42px, 6vw, 66px);
  min-width: 0;
}

/* ---------- 区块通用 ---------- */
.page-contact .ct-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3vw, 36px);
  min-width: 0;
}

.page-contact .ct-block__head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .ct-block__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.9vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-contact .ct-block__note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 渠道列表 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel-row {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 22px 0 22px 18px;
  border-top: 1px solid var(--line);
}

.page-contact .channel-row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 0.22s ease;
}

.page-contact .channel-row:hover::before,
.page-contact .channel-row:focus-within::before {
  background: var(--cyan-signal);
}

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

.page-contact .channel-row__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .channel-row__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cyan-signal);
  word-break: break-word;
}

.page-contact .channel-row:nth-child(2) .channel-row__value {
  color: var(--violet-link);
}

.page-contact .channel-row:nth-child(3) .channel-row__value {
  color: var(--card-yellow);
  font-size: clamp(14px, 1.6vw, 16px);
  letter-spacing: 0;
}

.page-contact .channel-row__scope {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 流程插图 ---------- */
.page-contact .ct-figure {
  margin: 0 0 clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .flow__step:first-child {
  border-top-color: var(--line-strong);
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--cyan-signal);
}

.page-contact .flow__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .flow__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 信息清单 ---------- */
.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-checklist__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-checklist__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-checklist__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--orange-signal);
}

.page-contact .ct-checklist__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-checklist__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 折叠模板 ---------- */
.page-contact .ct-details {
  margin-top: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(34, 224, 200, 0.06), transparent 40%), var(--ink-800);
}

.page-contact .ct-details summary {
  cursor: pointer;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--cyan-signal);
  list-style: none;
}

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

.page-contact .ct-details summary::before {
  content: "▸";
  display: inline-block;
  width: 18px;
  color: var(--mist);
}

.page-contact .ct-details[open] summary::before {
  content: "▾";
  color: var(--cyan-signal);
}

.page-contact .ct-details:focus-within {
  border-color: var(--line-strong);
}

.page-contact .ct-details__body {
  margin: 0;
  padding: 0 18px 20px 36px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  color: var(--mist);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* ---------- 常见情况 ---------- */
.page-contact .ct-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-scenes__item {
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-scenes__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-scenes__item h3 {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-scenes__item p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 相邻入口 ---------- */
.page-contact .ct-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-links__item {
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-links__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-links__link {
  display: block;
  padding: 16px 4px 16px 0;
  text-decoration: none;
  transition: padding-left 0.2s ease, background-color 0.2s ease;
}

.page-contact .ct-links__link:hover,
.page-contact .ct-links__link:focus-visible {
  padding-left: 10px;
  background: var(--ink-700);
}

.page-contact .ct-links__label {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan-signal);
}

.page-contact .ct-links__desc {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 右侧速查条 ---------- */
.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .contact-aside__inner {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(34, 224, 200, 0.09), transparent 42%), var(--ink-800);
  padding: 24px 20px;
}

.page-contact .contact-aside__inner::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 46px;
  height: 3px;
  background: var(--cyan-signal);
}

.page-contact .contact-aside__title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-aside__list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-aside__row {
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

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

.page-contact .contact-aside__row dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-aside__row dd.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  color: var(--cyan-signal);
}

.page-contact .contact-aside__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-aside__cta {
  display: block;
  margin-top: 18px;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }

  .page-contact .ct-checklist__item:nth-child(2) {
    border-top-color: var(--line-soft);
  }

  .page-contact .ct-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .channel-row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }

  .page-contact .channel-row__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-contact .ct-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(0, 1fr) 316px;
    align-items: start;
  }

  .page-contact .contact-aside__inner {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-row::before,
  .page-contact .ct-links__link {
    transition: none;
  }
}
<<<END>>>