.page-contact {
  --pc-shadow: 8px 8px 0 var(--edge);
  --pc-shadow-sm: 5px 5px 0 var(--edge);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 84px;
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 16px;
}

@media (min-width: 720px) {
  .page-contact .pc-wrap {
    padding-inline: 28px;
  }
}

.page-contact .crumbs {
  margin: 18px 0 4px;
}

/* ---------- 首屏 ---------- */

.page-contact .ch-hero {
  padding: 16px 0 42px;
  border-bottom: 2px solid var(--line);
}

.page-contact .ch-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .ch-hero__main {
  min-width: 0;
}

@media (min-width: 940px) {
  .page-contact .ch-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 30px;
    align-items: stretch;
  }
}

.page-contact .ch-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-contact .ch-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  text-wrap: balance;
}

.page-contact .ch-hero__mark {
  color: var(--lime);
  position: relative;
}

.page-contact .ch-hero__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 4px;
  background: var(--lime-dim);
}

.page-contact .ch-hero__lede {
  margin: 0 0 24px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--steel);
}

@media (min-width: 720px) {
  .page-contact .ch-hero__lede {
    font-size: 17px;
  }
}

.page-contact .ch-hero__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

@media (min-width: 620px) {
  .page-contact .ch-hero__metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .ch-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 12px 14px;
  background: var(--panel);
  border: 2px solid var(--line);
  min-width: 0;
}

.page-contact .ch-metric__v {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-contact .ch-metric__k {
  font-size: 12px;
  line-height: 1.5;
  color: var(--steel);
}

.page-contact .ch-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ch-hero__figure {
  margin: 0;
  border: 2px solid var(--line);
  box-shadow: var(--pc-shadow);
  background: var(--graphite);
}

.page-contact .ch-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 900 / 520;
  object-fit: cover;
}

/* ---------- 主体双栏 ---------- */

.page-contact .ch-body {
  padding: 42px 0 0;
}

.page-contact .ch-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

@media (min-width: 1080px) {
  .page-contact .ch-layout {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 38px;
    align-items: start;
  }

  .page-contact .ch-layout__side {
    position: sticky;
    top: 92px;
  }
}

.page-contact .ch-layout__main {
  min-width: 0;
}

/* ---------- 章节头 ---------- */

.page-contact .ch-sec,
.page-contact .ch-channels-sec {
  scroll-margin-top: 92px;
}

.page-contact .ch-sec {
  margin-bottom: 58px;
}

.page-contact .ch-sec:last-child {
  margin-bottom: 0;
}

.page-contact .ch-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.page-contact .ch-sec__no {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  padding: 2px 8px;
  background: var(--lime);
  color: var(--ink);
}

.page-contact .ch-sec__headtext {
  min-width: 0;
}

.page-contact .ch-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-contact .ch-sec__intro {
  margin: 9px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 方向锚点条 ---------- */

.page-contact .ch-axis {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-contact .ch-axis__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--panel);
  border: 2px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.2;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.page-contact .ch-axis__link:hover,
.page-contact .ch-axis__link:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-contact .ch-axis__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-contact .ch-axis__link:hover .ch-axis__no,
.page-contact .ch-axis__link:focus-visible .ch-axis__no {
  color: var(--ink);
}

/* ---------- 方向卡片 ---------- */

.page-contact .ch-dirs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 720px) {
  .page-contact .ch-dirs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .ch-dir {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  background: var(--panel);
  border: 2px solid var(--line);
  scroll-margin-top: 92px;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-contact .ch-dir:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--pc-shadow-sm);
}

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

.page-contact .ch-dir__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--lime);
}

.page-contact .ch-dir__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-contact .ch-dir__who {
  margin-left: auto;
  padding: 2px 7px;
  border: 1px solid rgba(255, 107, 61, 0.55);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  white-space: nowrap;
}

.page-contact .ch-dir__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ch-dir__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 10px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-contact .ch-dir__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ch-dir__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

/* ---------- 承载页面列表 ---------- */

.page-contact .ch-support {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-contact .ch-support__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 2px solid var(--line);
}

@media (min-width: 700px) {
  .page-contact .ch-support__row {
    grid-template-columns: 42px minmax(0, 176px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-contact .ch-support__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

.page-contact .ch-support__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
}

.page-contact .ch-support__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ch-support__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .ch-support__foot a,
.page-contact .ch-faq__a a,
.page-contact .ch-channels__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .ch-support__foot a:hover,
.page-contact .ch-faq__a a:hover,
.page-contact .ch-channels__note a:hover {
  color: var(--lime);
}

/* ---------- 流程 ---------- */

.page-contact .ch-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .ch-flow__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-left: 6px solid var(--lime);
}

@media (min-width: 780px) {
  .page-contact .ch-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ch-flow__step::after {
    content: "";
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 9px solid var(--lime);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
  }

  .page-contact .ch-flow__step:last-child::after {
    display: none;
  }
}

.page-contact .ch-flow__no {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-contact .ch-flow__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  line-height: 1.45;
}

.page-contact .ch-flow__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .ch-flow__figure {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--graphite);
}

.page-contact .ch-flow__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1000 / 420;
  object-fit: cover;
}

/* ---------- 常见问题 ---------- */

.page-contact .ch-faq {
  border-top: 2px solid var(--line);
}

.page-contact .ch-faq__item {
  border-bottom: 2px solid var(--line);
  background: var(--graphite);
}

.page-contact .ch-faq__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  transition: background 0.15s var(--ease);
}

.page-contact .ch-faq__q::-webkit-details-marker {
  display: none;
}

.page-contact .ch-faq__q:hover {
  background: rgba(184, 255, 61, 0.07);
}

.page-contact .ch-faq__q::before {
  content: "+";
  flex-shrink: 0;
  width: 16px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .ch-faq__item[open] .ch-faq__q::before {
  content: "−";
}

.page-contact .ch-faq__a {
  padding: 0 16px 16px 44px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .ch-faq__a p {
  margin: 0;
}

.page-contact .ch-faq__a p + p {
  margin-top: 8px;
}

/* ---------- 侧栏联系卡 ---------- */

.page-contact .ch-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: var(--graphite);
  border: 2px solid var(--line);
  box-shadow: var(--pc-shadow);
}

.page-contact .ch-card__top {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-contact .ch-card__dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--lime);
  animation: pc-pulse 1.8s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.page-contact .ch-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.01em;
}

.page-contact .ch-card__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ch-card__row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-contact .ch-card__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-contact .ch-card__v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ch-card__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
}

.page-contact .ch-card__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  background: var(--panel);
  border: 2px solid var(--line);
  color: var(--cyan);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.5;
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease), background 0.15s var(--ease);
}

.page-contact .ch-card__link:hover,
.page-contact .ch-card__link:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(51, 214, 197, 0.08);
}

.page-contact .ch-card__arrow {
  font-family: var(--font-mono);
  color: var(--lime);
}

/* ---------- 联系渠道 ---------- */

.page-contact .ch-channels-sec {
  padding: 48px 0 0;
  margin-top: 56px;
  border-top: 2px solid var(--line);
}

.page-contact .ch-channels {
  padding: 20px;
  background: var(--panel);
  border: 2px solid var(--lime);
  box-shadow: var(--pc-shadow);
}

@media (min-width: 720px) {
  .page-contact .ch-channels {
    padding: 26px 28px;
  }
}

.page-contact .ch-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 760px) {
  .page-contact .ch-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-contact .ch-chan {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  min-width: 0;
}

.page-contact .ch-chan__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-contact .ch-chan__v {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.page-contact .ch-channels__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ch-card__dot {
    animation: none;
  }

  .page-contact .ch-dir,
  .page-contact .ch-axis__link,
  .page-contact .ch-card__link,
  .page-contact .ch-faq__q {
    transition: none;
  }
}
<<<END>>>