.page-contact {
  --ct-card-w: 372px;
  --ct-rule: 1px solid var(--line-soft);
  --ct-rule-hair: 1px solid var(--line-hair);
  background-color: var(--ink-900);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .crumbs {
  padding: 18px 0 0;
  font-size: 13px;
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  margin-top: 18px;
  padding: clamp(32px, 5vw, 72px) 0 clamp(40px, 6vw, 88px);
  background-color: var(--ink-800);
  background-image:
    repeating-linear-gradient(90deg, var(--line-hair) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, var(--line-hair) 0 1px, transparent 1px 96px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-contact .ct-hero__text .anno {
  margin: 0 0 14px;
}

.page-contact .ct-hero__text .title-xl {
  margin: 0;
}

.page-contact .ct-hero__text .lede {
  margin: 18px 0 0;
  max-width: 46ch;
}

.page-contact .ct-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-contact .ct-hero__quick .btn {
  padding: 12px 22px;
  font-size: 15px;
}

.page-contact .ct-hero__fig {
  position: relative;
  margin: 0;
  max-width: 420px;
  justify-self: center;
  width: 100%;
}

.page-contact .ct-hero__fig .figure__media {
  border: 1px solid var(--line);
  background-color: var(--ink-700);
  overflow: hidden;
}

.page-contact .ct-hero__fig::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 34px;
  width: 52px;
  height: 52px;
  border-right: 2px solid var(--signal);
  border-bottom: 2px solid var(--signal);
  pointer-events: none;
}

.page-contact .figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* 主体两栏 */
.page-contact .ct-body {
  padding-top: clamp(36px, 5vw, 72px);
}

.page-contact .ct-body__grid {
  display: grid;
  gap: clamp(32px, 4vw, 64px);
}

/* 联系信息卡 */
.page-contact .ct-card {
  background-color: var(--ink-700);
  border: 1px solid var(--line);
  padding: clamp(22px, 3.4vw, 34px);
  align-self: start;
}

.page-contact .ct-card .anno {
  margin: 0 0 10px;
}

.page-contact .ct-card__title {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-card .status-dot {
  margin: 14px 0 0;
}

.page-contact .ct-card .contact-list {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-card .contact-list__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: var(--ct-rule-hair);
}

.page-contact .ct-card .contact-list__key {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-contact .ct-card .contact-list__val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
  user-select: all;
}

.page-contact .ct-card .contact-list__use {
  font-size: 12.5px;
  color: var(--mist);
}

.page-contact .ct-card__fig {
  margin: 22px 0 0;
}

.page-contact .ct-card__fig .figure__media {
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

/* 章节通用 */
.page-contact .ct-block {
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-main .ct-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .ct-head .anno {
  margin: 0 0 10px;
}

.page-contact .ct-head .title-lg {
  margin: 0;
}

.page-contact .ct-head .measure {
  margin: 14px 0 0;
}

/* 三条通道 */
.page-contact .route-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--ct-rule);
}

.page-contact .route-row {
  display: grid;
  gap: 10px;
  padding: 20px 16px;
  border-bottom: var(--ct-rule);
  transition: background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .route-row:hover,
.page-contact .route-row:focus-within {
  background-color: rgba(18, 41, 76, 0.6);
  box-shadow: inset 0 0 0 1px var(--signal);
}

.page-contact .route-row__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-contact .route-row__title {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .route-row__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .route-row__ch {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-soft);
  word-break: break-all;
}

.page-contact .route-row__eta {
  justify-self: start;
  padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
  white-space: nowrap;
}

/* 反馈清单 */
.page-contact .brief-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: var(--ct-rule-hair);
}

.page-contact .brief-item:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .brief-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--signal);
}

.page-contact .brief-item__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .brief-item__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--signal);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .ct-note a {
  color: var(--signal-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-flag {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background-color: rgba(232, 163, 61, 0.08);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 合作 */
.page-contact .coop-grid {
  display: grid;
  gap: 1px;
  background-color: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .coop-item {
  background-color: var(--ink-800);
  padding: clamp(20px, 2.6vw, 28px);
  transition: box-shadow 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .coop-item:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--signal);
}

.page-contact .coop-item__title {
  margin: 0;
  padding-top: 12px;
  border-top: 2px solid var(--signal);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .coop-item__body {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-item__how {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--signal-soft);
}

/* 到访 */
.page-contact .ct-visit .measure {
  margin: 0;
  max-width: 62ch;
}

/* 相关页面 */
.page-contact .ct-more {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-more__title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-contact .ct-more__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-more__link {
  display: inline-block;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .ct-more__link:hover,
.page-contact .ct-more__link:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

/* 断点 */
@media (min-width: 700px) {
  .page-contact .route-row {
    grid-template-columns: 46px minmax(0, 1fr);
    padding: 24px 20px;
  }

  .page-contact .route-row__eta {
    grid-column: 2;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

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

  .page-contact .ct-hero__fig {
    justify-self: end;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-body__grid {
    grid-template-columns: minmax(0, 1fr) var(--ct-card-w);
    grid-template-areas: "main card";
    align-items: start;
  }

  .page-contact .ct-main {
    grid-area: main;
  }

  .page-contact .ct-card {
    grid-area: card;
    position: sticky;
    top: calc(var(--hdr-h) + 24px);
  }

  .page-contact .route-row {
    grid-template-columns: 46px minmax(0, 1fr) 168px;
    align-items: start;
    column-gap: 20px;
  }

  .page-contact .route-row__eta {
    grid-column: 3;
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-row,
  .page-contact .coop-item,
  .page-contact .ct-more__link {
    transition: none;
  }

  .page-contact .coop-item:hover {
    transform: none;
  }
}
<<<END>>>