.page-contact {
  padding-bottom: 64px;
  background:
    radial-gradient(760px 380px at 92% -6%, rgba(255, 77, 28, 0.13), transparent 64%),
    radial-gradient(620px 320px at 4% 42%, rgba(59, 30, 110, 0.22), transparent 68%),
    var(--ink-900);
  color: var(--mid);
  font-family: var(--sans);
  overflow-x: hidden;
}

.page-contact .wrap {
  padding-top: 24px;
  padding-bottom: 8px;
}

/* 面包屑 */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.page-contact .crumbs a {
  color: var(--mid);
  text-decoration: none;
}

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

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

/* 首屏联络卡 */
.page-contact .pc-hero {
  position: relative;
  margin-top: 20px;
  display: grid;
  gap: 20px;
  padding: 24px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--ink-800), var(--ink-900) 68%);
  overflow: hidden;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 132px;
  height: 132px;
  background: linear-gradient(135deg, rgba(255, 77, 28, 0.42), transparent 72%);
  transform: rotate(20deg);
  pointer-events: none;
}

.page-contact .pc-hero__main,
.page-contact .pc-hero__meta {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero h1 {
  margin: 12px 0 0;
  font-size: 28px;
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .pc-hero__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mid);
  max-width: 34em;
}

.page-contact .pc-hero__meta {
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .pc-hero__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.page-contact .pc-hero__key {
  color: var(--dim);
  letter-spacing: 0.1em;
}

.page-contact .pc-hero__val {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-contact .pc-hero__val--fox {
  color: var(--fox);
  font-weight: 700;
}

/* 章节通用 */
.page-contact .pc-block {
  margin-top: 54px;
}

.page-contact .pc-block--last {
  margin-bottom: 46px;
}

.page-contact .pc-block__head {
  display: grid;
  gap: 6px;
  margin-bottom: 20px;
}

.page-contact .pc-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--fox);
}

.page-contact .pc-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .pc-desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--dim);
  max-width: 40em;
}

/* 三条通道 */
.page-contact .pc-routes {
  display: grid;
  gap: 14px;
}

.page-contact .pc-route {
  position: relative;
  padding: 20px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .pc-route::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  width: 34px;
  height: 2px;
  background: var(--fox);
}

.page-contact .pc-route:hover,
.page-contact .pc-route:focus-within {
  border-color: var(--fox);
  transform: translateY(-2px);
}

.page-contact .pc-route__num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fox);
}

.page-contact .pc-route__title {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 900;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-contact .pc-route__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
}

.page-contact .pc-route__facts {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
  font-size: 12px;
}

.page-contact .pc-route__facts div {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-contact .pc-route__facts dt {
  flex: none;
  width: 4.5em;
  color: var(--dim);
  letter-spacing: 0.08em;
}

.page-contact .pc-route__facts dd {
  margin: 0;
  color: var(--paper-2);
  line-height: 1.6;
}

.page-contact .pc-route__more {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.page-contact .pc-route__more summary {
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  list-style: none;
}

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

.page-contact .pc-route__more summary::after {
  content: " +";
  font-family: var(--mono);
}

.page-contact .pc-route__more[open] summary::after {
  content: " −";
}

.page-contact .pc-route__more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .pc-route__more p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--dim);
}

/* 联系方式一览 */
.page-contact .pc-contact {
  display: grid;
  gap: 20px;
}

.page-contact .pc-contact__list {
  border-top: 1px solid var(--line);
}

.page-contact .pc-contact__row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-contact__key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-contact .pc-contact__val {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-contact__val--fox {
  color: var(--fox);
  letter-spacing: 0.02em;
}

.page-contact .pc-contact__note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--dim);
}

/* 图片 */
.page-contact .pc-figure {
  margin: 0;
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
}

.page-contact .pc-figure .media__cap {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--dim);
  letter-spacing: 0.04em;
}

/* 写邮件清单 */
.page-contact .pc-write {
  display: grid;
  gap: 20px;
}

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

.page-contact .pc-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .pc-check:hover {
  border-color: var(--fox-soft);
}

.page-contact .pc-check input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  position: relative;
  cursor: pointer;
}

.page-contact .pc-check input[type="checkbox"]:checked {
  border-color: var(--fox);
}

.page-contact .pc-check input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--fox);
  border-radius: 1px;
}

.page-contact .pc-check input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .pc-check input[type="checkbox"]:checked + span {
  color: var(--paper-2);
}

.page-contact .pc-check span {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
}

.page-contact .pc-check b {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

/* 响应节奏 */
.page-contact .pc-timeline {
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 22px;
}

.page-contact .pc-timeline__item {
  position: relative;
}

.page-contact .pc-timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--fox);
}

.page-contact .pc-timeline__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 3px 7px;
}

.page-contact .pc-timeline__title {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 900;
  color: var(--paper);
  line-height: 1.45;
}

.page-contact .pc-timeline__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--dim);
  max-width: 38em;
}

/* 北京团队 */
.page-contact .pc-scope {
  display: grid;
  gap: 10px;
}

.page-contact .pc-scope__stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--ink-700), var(--ink-800));
}

.page-contact .pc-scope__num {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--fox);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-scope__label {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mid);
}

.page-contact .pc-scope__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .pc-scope__list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-scope__list .tag {
  flex: none;
  margin-top: 3px;
}

.page-contact .pc-scope__tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--dim);
  max-width: 40em;
}

.page-contact .pc-scope__tail a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--fox);
  padding-bottom: 1px;
}

.page-contact .pc-scope__tail a:hover,
.page-contact .pc-scope__tail a:focus-visible {
  color: var(--fox);
}

/* 到访提示 */
.page-contact .pc-arrive {
  padding: 20px 16px;
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink-900);
}

.page-contact .pc-arrive__addr {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  font-weight: 700;
  color: var(--ink-900);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--fox);
  word-break: break-word;
}

.page-contact .pc-arrive__list {
  margin: 14px 0 0;
  padding: 0 0 0 16px;
  display: grid;
  gap: 10px;
  list-style: none;
}

.page-contact .pc-arrive__list li {
  position: relative;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .pc-arrive__list li::before {
  content: "—";
  position: absolute;
  left: -16px;
  color: var(--fox);
  font-weight: 700;
}

/* 收束线与后续入口 */
.page-contact .pc-endrule {
  height: 2px;
  margin: 8px 0 26px;
  background: linear-gradient(90deg, var(--fox), rgba(255, 77, 28, 0.08));
}

.page-contact .pc-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-next .btn {
  font-size: 13px;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-contact .wrap {
    padding-top: 32px;
  }

  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 28px;
    padding: 34px 30px 26px;
  }

  .page-contact .pc-hero h1 {
    font-size: 38px;
  }

  .page-contact .pc-hero__lead {
    font-size: 16px;
  }

  .page-contact .pc-hero__meta {
    border-top: none;
    border-left: 1px solid var(--line);
    padding-left: 22px;
  }

  .page-contact .pc-block {
    margin-top: 68px;
  }

  .page-contact .pc-title {
    font-size: 28px;
  }

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

  .page-contact .pc-route {
    padding: 22px 18px 18px;
  }

  .page-contact .pc-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .pc-contact__val {
    font-size: 16px;
  }

  .page-contact .pc-write {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 30px;
    align-items: start;
  }

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

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

  .page-contact .pc-arrive {
    padding: 26px 28px;
  }
}

/* 桌面端 */
@media (min-width: 1080px) {
  .page-contact .pc-hero {
    padding: 44px 40px 34px;
  }

  .page-contact .pc-hero h1 {
    font-size: 46px;
    max-width: 14em;
  }

  .page-contact .pc-block {
    margin-top: 80px;
  }

  .page-contact .pc-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
    row-gap: 28px;
  }

  .page-contact .pc-scope__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-route {
    transition: none;
  }

  .page-contact .pc-route:hover,
  .page-contact .pc-route:focus-within {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>