.page-contact {
  --pc-rule: 1px solid var(--line);
  --pc-rule-strong: 1px solid var(--line-strong);
  background: var(--fog-050);
  color: var(--ink-700);
}

.page-contact #submit-info,
.page-contact #process {
  scroll-margin-top: 84px;
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-500);
}
.page-contact .breadcrumb a {
  color: var(--teal-600);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.page-contact .breadcrumb a:hover {
  border-bottom-color: var(--teal-600);
}
.page-contact .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(28px, 4vw, 44px);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(56vw, 620px);
  height: min(44vw, 300px);
  background: linear-gradient(148deg, rgba(15, 126, 124, 0.18), rgba(11, 33, 54, 0.06) 58%, rgba(11, 33, 54, 0));
  clip-path: polygon(100% 0, 100% 100%, 6% 0);
  pointer-events: none;
}
.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}
.page-contact .contact-hero h1 {
  margin: 8px 0 0;
  max-width: 18ch;
  color: var(--blue-900);
}
.page-contact .contact-hero__lede {
  margin: 14px 0 0;
  max-width: 58ch;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-hero__panel {
  max-width: 420px;
  padding: 20px 22px 22px;
  border: 1px solid var(--blue-700);
  border-radius: var(--radius-m);
  background: var(--blue-900);
  color: #fff;
}
.page-contact .contact-hero__panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal-300);
}
.page-contact .contact-hero__stat {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 52px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #fff;
}
.page-contact .contact-hero__stat span {
  margin-left: 8px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0;
  color: var(--teal-300);
}
.page-contact .contact-hero__panel-note {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: #C9D9DE;
}
.page-contact .contact-hero__panel-meta {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(134, 201, 196, 0.3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal-300);
}

/* 三类反馈横排 */
.page-contact .contact-types {
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 2px solid var(--blue-900);
  border-bottom: var(--pc-rule-strong);
  display: grid;
}
.page-contact .contact-type {
  padding: 18px 18px 20px;
  border-top: var(--pc-rule);
  background: transparent;
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-contact .contact-type:first-child {
  border-top: 0;
}
.page-contact .contact-type:hover,
.page-contact .contact-type:focus-within {
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 2px 0 var(--teal-600);
}
.page-contact .contact-type__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}
.page-contact .contact-type__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--blue-900);
}
.page-contact .contact-type__std {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}
.page-contact .contact-type__cue {
  display: none;
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal-600);
}
.page-contact .contact-type__reveal {
  display: grid;
  grid-template-rows: 1fr;
}
.page-contact .contact-type__reveal-inner {
  overflow: hidden;
}
.page-contact .contact-type__reveal-inner p {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
}
.page-contact .contact-type__link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--teal-600);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-300);
  transition: border-color var(--dur) var(--ease);
}
.page-contact .contact-type__link:hover {
  border-bottom-color: var(--teal-600);
}

/* 联系渠道 */
.page-contact .contact-channels {
  background: var(--fog-200);
  border-top: var(--pc-rule);
  border-bottom: var(--pc-rule);
}
.page-contact .contact-channels__lede {
  margin-top: 12px;
  max-width: 62ch;
}
.page-contact .channel-list {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: var(--pc-rule-strong);
}
.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: var(--pc-rule);
  transition: background-color var(--dur) var(--ease);
}
.page-contact .channel:hover {
  background: rgba(255, 255, 255, 0.55);
}
.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--blue-900);
  word-break: break-word;
  user-select: all;
}
.page-contact .channel__note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-500);
}
.page-contact .contact-channels__callout {
  margin-top: 22px;
}
.page-contact .contact-channels__callout p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-700);
}

/* 自助查询 */
.page-contact .contact-help {
  border-bottom: var(--pc-rule);
}
.page-contact .contact-help__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--blue-900);
}
.page-contact .contact-help__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--pc-rule);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.page-contact .contact-help__link {
  display: block;
  height: 100%;
  padding: 16px 18px;
  background: #fff;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease);
}
.page-contact .contact-help__link:hover {
  background: var(--fog-050);
}
.page-contact .contact-help__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--blue-900);
}
.page-contact .contact-help__desc {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-500);
}

/* 提交要素 */
.page-contact .contact-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-contact .contact-check {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-contact .contact-check .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: #fff;
  border: var(--pc-rule);
  border-radius: var(--radius-s);
  transition: border-color var(--dur) var(--ease);
}
.page-contact .contact-check .checklist__item:hover {
  border-color: var(--line-strong);
}
.page-contact .contact-check .checklist__box {
  flex: 0 0 auto;
  margin-top: 3px;
  accent-color: var(--teal-600);
}
.page-contact .contact-check .checklist__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  color: var(--blue-900);
  cursor: pointer;
}
.page-contact .contact-check .checklist__label em {
  display: block;
  margin-top: 3px;
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-500);
}
.page-contact .contact-submit__note {
  margin: 16px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-500);
}
.page-contact .contact-submit__note a {
  color: var(--teal-600);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-300);
}
.page-contact .contact-submit__note a:hover {
  border-bottom-color: var(--teal-600);
}
.page-contact .media {
  margin: 0;
}
.page-contact .media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--fog-200);
}
.page-contact .media__caption {
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-500);
}

/* 处理流程 */
.page-contact .process-panel {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(24px, 4vw, 44px);
  background: var(--blue-900);
  border-radius: var(--radius-l);
}
.page-contact .eyebrow--onink {
  color: var(--teal-300);
}
.page-contact .process-panel__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.02em;
  color: #fff;
}
.page-contact .process-panel__lede {
  margin: 12px 0 0;
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: #C9D9DE;
}
.page-contact .flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}
.page-contact .flow__step:last-child {
  padding-bottom: 0;
}
.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 18px;
  bottom: 2px;
  width: 1px;
  background: rgba(134, 201, 196, 0.35);
}
.page-contact .flow__step:last-child::before {
  display: none;
}
.page-contact .flow__dot {
  width: 13px;
  height: 13px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--teal-300);
  box-shadow: 0 0 0 4px rgba(134, 201, 196, 0.14);
}
.page-contact .flow__label {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}
.page-contact .flow__text {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: #E1E9EC;
}
.page-contact .contact-process__figure img {
  border-color: rgba(134, 201, 196, 0.35);
  background: var(--blue-700);
}
.page-contact .contact-process__figure .media__caption {
  color: #A9BEC4;
}

/* 退回原因 */
.page-contact .contact-reasons__lede {
  margin-top: 12px;
  max-width: 62ch;
}
.page-contact .reason-list {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}
.page-contact .reason {
  background: #fff;
  border: var(--pc-rule);
  border-left: 3px solid var(--amber-500);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  transition: border-color var(--dur) var(--ease);
}
.page-contact .reason:hover {
  border-color: var(--line-strong);
  border-left-color: var(--amber-500);
}
.page-contact .reason__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--blue-900);
}
.page-contact .reason__summary::-webkit-details-marker {
  display: none;
}
.page-contact .reason__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--teal-600);
}
.page-contact .reason[open] .reason__summary::after {
  content: "–";
}
.page-contact .reason__tag {
  margin-left: auto;
  padding: 1px 7px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 400;
  color: var(--amber-500);
  flex: 0 0 auto;
}
.page-contact .reason__body {
  padding: 0 16px 15px;
}
.page-contact .reason__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-700);
}

/* 断点 */
@media (min-width: 860px) {
  .page-contact .contact-types {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .contact-type {
    border-top: 0;
    border-left: var(--pc-rule);
    padding: 22px 24px 24px;
  }
  .page-contact .contact-type:first-child {
    border-left: 0;
  }
  .page-contact .contact-help__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .channel {
    grid-template-columns: 150px minmax(0, 1fr) minmax(0, 22rem);
    gap: 4px 24px;
    align-items: baseline;
  }
}

@media (hover: hover) and (min-width: 860px) {
  .page-contact .contact-type__cue {
    display: block;
  }
  .page-contact .contact-type__reveal {
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--dur) var(--ease);
  }
  .page-contact .contact-type:hover .contact-type__reveal,
  .page-contact .contact-type:focus-within .contact-type__reveal {
    grid-template-rows: 1fr;
  }
  .page-contact .contact-type:hover .contact-type__cue,
  .page-contact .contact-type:focus-within .contact-type__cue {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-contact .contact-hero__panel {
    margin-left: auto;
  }
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
  .page-contact .contact-submit__figure {
    position: sticky;
    top: 88px;
  }
}

@media (min-width: 960px) {
  .page-contact .process-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (max-width: 700px) {
  .page-contact .contact-hero::before {
    width: 86vw;
    height: 170px;
  }
  .page-contact .contact-hero__stat {
    font-size: 44px;
  }
  .page-contact .channel__value {
    font-size: 16px;
  }
  .page-contact .reason__summary {
    flex-wrap: wrap;
  }
  .page-contact .reason__tag {
    margin-left: 0;
  }
  .page-contact .reason__summary::after {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-type,
  .page-contact .contact-type__reveal,
  .page-contact .channel,
  .page-contact .contact-help__link,
  .page-contact .contact-check .checklist__item,
  .page-contact .reason,
  .page-contact .breadcrumb a,
  .page-contact .contact-type__link,
  .page-contact .contact-submit__note a {
    transition: none;
  }
}
<<<END>>>