.page-contact {
  --ct-tick-gap: 16px;
  color: var(--ink);
}

/* ---------- 顶部工具与首屏 ---------- */
.page-contact .ct-top {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
}

.page-contact .breadcrumb a {
  color: var(--blue-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue-mid);
}

.page-contact .breadcrumb a:focus-visible {
  outline: 2px solid var(--blue-mid);
  outline-offset: 2px;
}

.page-contact .breadcrumb__sep {
  color: var(--line-strong);
}

.page-contact .breadcrumb__current {
  color: var(--ink);
}

.page-contact .ct-hero {
  position: relative;
  margin-top: clamp(22px, 4vw, 42px);
  padding-bottom: clamp(26px, 5vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: clamp(60px, 11vw, 156px);
  height: 3px;
  background: var(--blue);
}

.page-contact .ct-hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-mid);
}

.page-contact .ct-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 7.5vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.page-contact .ct-hero__lede {
  margin: clamp(16px, 3vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 主体双栏 ---------- */
.page-contact .ct-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(30px, 5vw, 56px);
}

.page-contact .ct-body__left,
.page-contact .ct-body__right {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5vw, 54px);
}

@media (min-width: 1000px) {
  .page-contact .ct-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 4.5vw, 76px);
  }

  .page-contact .ct-body__right {
    position: relative;
    margin-top: clamp(30px, 4vw, 56px);
    padding-left: clamp(30px, 4vw, 58px);
    border-left: 1px solid var(--line);
  }

  .page-contact .ct-body__right::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -1px;
    width: 1px;
    pointer-events: none;
    opacity: 0.5;
    background-image: repeating-linear-gradient(
      to bottom,
      var(--blue-mid) 0 2px,
      transparent 2px var(--ct-tick-gap)
    );
  }
}

/* ---------- 章节头 ---------- */
.page-contact .ct-sec {
  min-width: 0;
}

.page-contact .ct-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .ct-sec__num {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .ct-sec__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-contact .ct-sec__meta {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}

.page-contact .ct-sec__lead {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

@media (max-width: 480px) {
  .page-contact .ct-sec__meta {
    display: none;
  }
}

/* ---------- 01 登记卡 ---------- */
.page-contact .ct-register {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper-2);
}

.page-contact .ct-register__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px clamp(14px, 2vw, 20px);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-register__row:last-child {
  border-bottom: 0;
}

@media (min-width: 520px) {
  .page-contact .ct-register__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

.page-contact .ct-register__key {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-contact .ct-register__val {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-register__data {
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-copy {
  flex: 0 0 auto;
  font-size: 12px;
  line-height: 1;
  padding: 5px 11px;
  letter-spacing: 0.08em;
}

.page-contact .ct-note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .ct-note a {
  color: var(--blue-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ct-note a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-contact .ct-note a:focus-visible {
  outline: 2px solid var(--blue-mid);
  outline-offset: 2px;
}

/* ---------- 02 渠道分工 ---------- */
.page-contact .ct-bound {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .ct-bound__item {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-bound__tag {
  display: inline-block;
  margin: 0 0 9px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid var(--line);
}

.page-contact .ct-bound__item > p:last-child {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .ct-bound__item a {
  color: var(--blue-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ct-bound__item a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-contact .ct-bound__item a:focus-visible {
  outline: 2px solid var(--blue-mid);
  outline-offset: 2px;
}

/* ---------- 03 准备清单 ---------- */
.page-contact .ct-prep {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-prep__item {
  display: flex;
  gap: 13px;
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .ct-prep__item:hover {
  background: var(--paper-2);
  padding-left: 12px;
}

.page-contact .ct-prep__box {
  flex: 0 0 15px;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.page-contact .ct-prep__box::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 9px;
  height: 1px;
  background: var(--line);
}

.page-contact .ct-prep__body {
  display: block;
  min-width: 0;
}

.page-contact .ct-prep__title {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .ct-prep__desc {
  display: block;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 图像 ---------- */
.page-contact .ct-fig {
  margin: 0;
}

.page-contact .ct-fig .media-frame__inner {
  border: 1px solid var(--line);
}

/* ---------- 04 分流路径 ---------- */
.page-contact .ct-paths {
  border-top: 1px solid var(--line);
}

.page-contact .ct-path {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-path__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .ct-path__head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  margin: 0;
  padding: 15px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--ink);
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .ct-path__head:hover {
  background: var(--paper-2);
  padding-left: 12px;
}

.page-contact .ct-path__head:focus-visible {
  outline: 2px solid var(--blue-mid);
  outline-offset: -2px;
}

.page-contact .ct-path__key {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .ct-path__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-path__mark {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
}

.page-contact .ct-path__mark::before,
.page-contact .ct-path__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--blue-mid);
  transform: translate(-50%, -50%);
}

.page-contact .ct-path__mark::before {
  width: 12px;
  height: 1px;
}

.page-contact .ct-path__mark::after {
  width: 1px;
  height: 12px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-contact .ct-path__head[aria-expanded="true"] .ct-path__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-contact .ct-path__body {
  padding: 0 0 18px 34px;
}

.page-contact .ct-path__body > p {
  margin: 0 0 10px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .ct-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .ct-path__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .ct-path__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--line-strong);
}

/* ---------- 05 表单与信息用途 ---------- */
.page-contact .ct-tail {
  padding-top: clamp(34px, 5vw, 62px);
  padding-bottom: clamp(46px, 7vw, 92px);
}

.page-contact .ct-form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .ct-form-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .ct-form-grid__text {
  min-width: 0;
}

.page-contact .ct-form-grid__lead {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .ct-fields {
  margin: 0 0 22px;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .exhibit-label__field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 560px) {
  .page-contact .exhibit-label__field {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

.page-contact .exhibit-label__key {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-mid);
}

.page-contact .exhibit-label__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .ct-flow {
  display: grid;
  border-top: 1px solid var(--line);
  margin-bottom: 4px;
}

.page-contact .ct-flow__step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-flow__idx {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .ct-flow__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .ct-fig--form {
  align-self: start;
}
<<<END>>>