.page-contact {
  --pc-red-tint: rgba(215, 38, 61, 0.07);
  --pc-gold-tint: rgba(244, 162, 89, 0.16);
  --pc-mint-tint: rgba(46, 196, 182, 0.12);
  overflow-x: clip;
}

.page-contact .container {
  padding-block: 20px 72px;
}

.page-contact .contact-hero {
  margin-top: 14px;
  padding: 26px 20px 22px;
  background: var(--surface);
}

.page-contact .contact-hero .page-title {
  margin: 8px 0 0;
}

.page-contact .contact-hero .page-lead {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
}

.page-contact .hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: border-color 160ms ease-out, background-color 160ms ease-out;
}

.page-contact .hero-jump a::before {
  content: "▸";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
}

.page-contact .hero-jump a:hover,
.page-contact .hero-jump a:focus-visible {
  border-color: var(--red);
  background: var(--pc-red-tint);
}

.page-contact .hero-note {
  margin: 18px 0 0;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 章节 ---------- */
.page-contact .chapter {
  margin-top: 64px;
}

.page-contact .chapter:first-of-type {
  margin-top: 52px;
}

.page-contact .chapter__num {
  margin: 0;
  letter-spacing: 0.18em;
}

.page-contact .chapter__title {
  margin: 8px 0 0;
  max-width: 30ch;
}

.page-contact .chapter__meta {
  margin: 10px 0 0;
  max-width: 66ch;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-contact .channel--mail { background: var(--pc-red-tint); }
.page-contact .channel--mail::before { background: var(--red); }
.page-contact .channel--call { background: var(--pc-gold-tint); }
.page-contact .channel--call::before { background: var(--gold); }
.page-contact .channel--post { background: var(--pc-mint-tint); }
.page-contact .channel--post::before { background: var(--mint); }

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

.page-contact .channel__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid currentColor;
  flex: 0 0 auto;
}

.page-contact .channel--mail .channel__mark { color: var(--red); }
.page-contact .channel--call .channel__mark { color: var(--gold); }
.page-contact .channel--post .channel__mark { color: var(--mint); }

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

.page-contact .channel__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 2px;
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid var(--red);
  padding-bottom: 3px;
}

.page-contact .contact-value--gold { border-bottom-color: var(--gold); }
.page-contact .contact-value--mint { border-bottom-color: var(--mint); }
.page-contact a.contact-value:hover,
.page-contact a.contact-value:focus-visible { color: var(--red); }

.page-contact .channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-figure {
  margin: 26px 0 0;
  width: 100%;
  overflow: hidden;
}

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

/* ---------- 回复节奏 ---------- */
.page-contact .reply-panel {
  margin-top: 26px;
}

.page-contact .reply-note {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--gold);
}

/* ---------- 反馈类型 ---------- */
.page-contact .feedback-list {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .feedback {
  background: var(--surface);
}

.page-contact .feedback > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  list-style: none;
  transition: background-color 160ms ease-out;
}

.page-contact .feedback > summary::-webkit-details-marker { display: none; }

.page-contact .feedback > summary:hover { background: var(--pc-red-tint); }

.page-contact .feedback__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red);
  flex: 0 0 auto;
}

.page-contact .feedback__label { flex: 1 1 auto; }

.page-contact .feedback > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-contact .feedback[open] > summary::after { content: "–"; }

.page-contact .feedback__body {
  padding: 0 18px 18px 46px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .feedback__body p { margin: 0; }

.page-contact .feedback-tail {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 账户问题路径 ---------- */
.page-contact .path-list {
  display: grid;
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
  counter-reset: none;
}

.page-contact .path-item {
  background: var(--surface);
  padding: 20px 18px;
  display: grid;
  grid-template-columns: 34px 1fr;
  column-gap: 14px;
}

.page-contact .path-item__num {
  grid-row: span 2;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--red);
  height: 24px;
  display: grid;
  place-items: center;
}

.page-contact .path-item__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
}

.page-contact .path-item__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .path-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 22px 0 0;
}

.page-contact .path-cta__note {
  font-size: 13px;
  color: var(--muted);
}

.page-contact .path-cta__note a {
  color: var(--gold-text);
  font-weight: 600;
}

/* ---------- 合作要点 ---------- */
.page-contact .dot-list {
  display: grid;
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
  counter-reset: dotitem;
}

.page-contact .dot-list > li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  background: var(--surface);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .dot-list > li::before {
  counter-increment: dotitem;
  content: counter(dotitem, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  flex: 0 0 auto;
  padding-top: 3px;
}

.page-contact .dot-list strong {
  color: var(--text);
  font-weight: 700;
}

.page-contact .coop-tail {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-tail a {
  color: var(--gold-text);
  font-weight: 600;
}

/* ---------- 通信地址 ---------- */
.page-contact .post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 26px;
}

.page-contact .post-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mint);
}

.page-contact .post-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .post-address {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1.6;
  border-bottom: 2px solid var(--red);
  padding-bottom: 5px;
  align-self: flex-start;
  word-break: break-all;
}

.page-contact .post-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .post-media {
  margin: 0;
  overflow: hidden;
}

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

.page-contact .post-tail {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--mint);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .container { padding-block: 28px 88px; }
  .page-contact .contact-hero { padding: 34px 32px 28px; }
  .page-contact .chapter { margin-top: 76px; }
  .page-contact .feedback__body { padding-left: 62px; }
  .page-contact .path-item { padding: 22px 22px; grid-template-columns: 44px 1fr; }
  .page-contact .dot-list > li { padding: 16px 22px; }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .channel-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .post-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
  }

  .page-contact .post-media {
    display: flex;
    flex-direction: column;
  }

  .page-contact .post-media img {
    flex: 1 1 auto;
    height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hero-jump a,
  .page-contact .feedback > summary {
    transition: none;
  }
}
<<<END>>>