.page-contact {
  --pc-line: rgba(74, 93, 122, .16);
  --pc-card: #FFFDF8;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  border-bottom: 3px solid var(--ink);
  background-color: var(--bone);
  background-image:
    repeating-linear-gradient(0deg, transparent 0 63px, var(--pc-line) 63px 64px),
    repeating-linear-gradient(90deg, transparent 0 63px, var(--pc-line) 63px 64px);
  padding-bottom: clamp(28px, 5vw, 48px);
}

.page-contact .contact-hero::before {
  content: "";
  display: block;
  height: 12px;
  margin-bottom: clamp(16px, 3vw, 26px);
  border-bottom: 3px solid var(--ink);
  background: repeating-linear-gradient(90deg, var(--red) 0 26px, var(--bone) 26px 52px);
}

.page-contact .contact-crumb {
  padding-top: 10px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-contact .hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .hero-copy .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--red-deep);
  border-bottom: 2px solid var(--red);
  padding-bottom: 4px;
}

.page-contact .hero-copy h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin: 14px 0 0;
  color: var(--ink);
}

.page-contact .hero-lead {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.8;
  color: var(--navy);
  max-width: 46ch;
  margin: 18px 0 0;
}

.page-contact .hero-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 14px 12px;
}

.page-contact .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--red-deep);
}

.page-contact .fact-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gray);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero-figure {
  margin: 0;
  aspect-ratio: 5 / 6;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--sand);
}

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

/* ---------- 双栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: clamp(28px, 4vw, 44px) clamp(40px, 6vw, 72px);
}

.page-contact .contact-main {
  min-width: 0;
}

.page-contact .contact-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  order: -1;
  min-width: 0;
}

/* ---------- 章节头 ---------- */
.page-contact .contact-section {
  margin-bottom: clamp(34px, 5vw, 54px);
}

.page-contact .contact-section:last-of-type {
  margin-bottom: 0;
}

.page-contact .sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 18px;
}

.page-contact .sec-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 2px 6px;
  flex: none;
}

.page-contact .sec-head h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0;
}

.page-contact .sec-lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--navy);
  max-width: 60ch;
}

/* ---------- 合作类型 ---------- */
.page-contact .types-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .type-card {
  border: 2px solid var(--ink);
  background: var(--pc-card);
  padding: 20px 20px 22px;
  transition: box-shadow var(--t) var(--ease),
              transform var(--t) var(--ease),
              border-color var(--t) var(--ease);
}

.page-contact .type-card:hover,
.page-contact .type-card:focus-within {
  border-color: var(--red);
  box-shadow: var(--shadow-hard);
  transform: translate(-3px, -3px);
}

.page-contact .type-tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bone);
  background: var(--red);
}

.page-contact .type-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.page-contact .type-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--navy);
}

.page-contact .type-meta {
  list-style: none;
  margin: 14px 0 0;
  padding: 10px 0 0;
  border-top: 1px dashed var(--steel);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--gray);
}

/* ---------- 四步流程 ---------- */
.page-contact .steps {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 6px 0 0 30px;
}

.page-contact .steps::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 12px;
  width: 3px;
  background: repeating-linear-gradient(180deg, var(--steel) 0 6px, transparent 6px 12px);
}

.page-contact .step {
  position: relative;
  padding: 0 0 26px;
}

.page-contact .step:last-child {
  padding-bottom: 0;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--bone);
  border: 3px solid var(--red);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact .step:hover::before,
.page-contact .step:focus-within::before {
  background: var(--red);
  border-color: var(--red-deep);
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--red-deep);
}

.page-contact .step-title {
  margin: 2px 0 6px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.page-contact .step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--navy);
  max-width: 62ch;
}

/* ---------- 纠错提交 ---------- */
.page-contact .fix-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .fix-figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--sand);
}

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

.page-contact .fix-body {
  min-width: 0;
}

.page-contact .fix-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--navy);
}

.page-contact .checklist {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-contact .checklist li {
  position: relative;
  padding: 9px 0 9px 34px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
  border-bottom: 1px solid rgba(74, 93, 122, .22);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--ink);
  background: var(--bone);
}

.page-contact .checklist li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 9px;
  height: 4px;
  border-left: 2px solid var(--red);
  border-bottom: 2px solid var(--red);
  transform: rotate(-45deg);
}

.page-contact .fix-body .fix-outcome {
  margin: 0;
  padding: 12px 14px;
  background: var(--sand);
  border-left: 4px solid var(--red);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 社群与专题 ---------- */
.page-contact .community-block {
  background: var(--navy);
  color: var(--bone);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--red-deep);
  padding: clamp(20px, 3.4vw, 30px);
}

.page-contact .community-copy {
  min-width: 0;
}

.page-contact .community-block p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 243, 236, .88);
}

.page-contact .community-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
  padding: 0;
}

.page-contact .community-chips li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 10px;
  border: 2px solid rgba(247, 243, 236, .5);
  color: var(--bone);
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .community-chips li:hover {
  border-color: var(--bone);
  background: var(--red);
}

.page-contact .community-block .community-link {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 243, 236, .88);
}

.page-contact .community-link a {
  color: var(--bone);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-contact .community-link a:hover {
  color: var(--yellow);
}

/* ---------- 其他入口 ---------- */
.page-contact .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .next-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 2px solid var(--ink);
  background: var(--bone);
  color: var(--ink);
  text-decoration: none;
  transition: transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease),
              border-color var(--t) var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  border-color: var(--red);
  box-shadow: 6px 6px 0 var(--red-deep);
  transform: translate(-2px, -2px);
}

.page-contact .next-name {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .next-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--gray);
}

.page-contact .more-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--navy);
}

.page-contact .more-note a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  background: var(--bone);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: 20px;
}

.page-contact .contact-card .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gray);
  margin: 0;
}

.page-contact .card-title {
  margin: 6px 0 14px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 10px;
  padding: 12px 0;
  border-top: 1px solid rgba(74, 93, 122, .28);
}

.page-contact .contact-label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-contact .contact-value {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .copy-btn {
  flex: none;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--sand);
  border: 2px solid var(--ink);
  cursor: pointer;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--red);
  color: var(--bone);
}

.page-contact .contact-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 2px solid var(--ink);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--navy);
}

.page-contact .copy-status {
  margin: 8px 0 0;
  min-height: 1em;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--grass);
}

.page-contact .quick-fix {
  padding: 18px 20px;
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}

.page-contact .quick-fix h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-contact .quick-fix p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.7;
}

.page-contact .quick-fix .btn {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  color: var(--bone);
  background: transparent;
  border: 2px solid var(--bone);
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.page-contact .quick-fix .btn:hover {
  background: var(--bone);
  color: var(--red-deep);
}

/* ---------- 移动端吸底条 ---------- */
.page-contact .contact-dock {
  position: sticky;
  bottom: 0;
  z-index: 6;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 26px;
  padding: 10px;
  background: var(--bone);
  border: 3px solid var(--ink);
  box-shadow: 0 -6px 0 rgba(15, 23, 32, .08);
}

.page-contact .dock-btn {
  padding: 10px 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--bone);
  border: 2px solid var(--ink);
  cursor: pointer;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.page-contact .dock-btn--red {
  color: var(--bone);
  background: var(--red);
  border-color: var(--red-deep);
}

.page-contact .dock-btn:hover {
  background: var(--ink);
  color: var(--bone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .types-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

  .page-contact .type-card:nth-child(even) {
    margin-top: 30px;
  }

  .page-contact .next-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 780px) {
  .page-contact .fix-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }

  .page-contact .hero-figure {
    box-shadow: 10px 10px 0 var(--sand);
  }

  .page-contact .hero-lead {
    max-width: 44ch;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 348px;
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-side {
    order: 0;
    position: sticky;
    top: 28px;
  }

  .page-contact .contact-dock {
    display: none;
  }
}
<<<END>>>