.page-contact {
  --pc-gap: clamp(16px, 2.6vw, 30px);
  --pc-cut: 16px;
  --pc-rail-top: 96px;
}

.page-contact [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: var(--pc-gap);
  padding-block: clamp(18px, 3.4vw, 40px) clamp(28px, 5vw, 56px);
}

.page-contact .hero-main h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  max-width: 20ch;
  color: var(--warm-white);
}

.page-contact .hero-lede {
  max-width: 56ch;
  color: var(--text-soft);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .hero-desk {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background-image:
    linear-gradient(158deg, rgba(14, 79, 74, 0.96), rgba(11, 43, 31, 0.98)),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(244, 241, 232, 0.06) 23px 24px);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  clip-path: polygon(var(--pc-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--pc-cut));
}

.page-contact .desk-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .desk-mail {
  display: inline-block;
  margin: 10px 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2.4vw, 1.08rem);
  color: var(--warm-white);
  word-break: break-all;
  border-bottom: 1px dashed var(--lime-line);
  text-decoration: none;
  transition: color var(--speed) ease;
}

.page-contact .desk-mail:hover,
.page-contact .desk-mail:focus-visible {
  color: var(--lime);
}

.page-contact .desk-facts {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .desk-facts li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--text-soft);
}

.page-contact .desk-facts li span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--referee-yellow);
}

/* ---------- 章节头 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 34px);
  max-width: 68ch;
}

.page-contact .section-sub {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.page-contact .direction-jump {
  margin-top: 16px;
}

/* ---------- 合作方向 ---------- */
.page-contact .directions-layout {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .direction-stack {
  display: grid;
  gap: 14px;
}

.page-contact .direction-card {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--turf-mid);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: background var(--speed) ease, transform var(--speed) ease, box-shadow var(--speed) ease;
}

.page-contact .direction-card:hover,
.page-contact .direction-card:focus-within {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-contact .direction-card:target {
  box-shadow: inset 0 0 0 2px var(--referee-yellow);
  background: var(--jewel-teal);
}

.page-contact .direction-card--data {
  background: var(--jewel-teal);
}

.page-contact .direction-card--brand {
  background: var(--wine-oxide);
}

.page-contact .direction-card--fan {
  background: var(--ink-black);
}

.page-contact .direction-card--fan:target,
.page-contact .direction-card--brand:target,
.page-contact .direction-card--data:target {
  background: var(--jewel-teal);
}

.page-contact .direction-no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .direction-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: 0.01em;
  color: var(--warm-white);
}

.page-contact .direction-for {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--referee-yellow);
}

.page-contact .direction-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .direction-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 0.88rem;
  color: var(--text-soft);
}

.page-contact .direction-list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .direction-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--lime);
}

.page-contact .direction-link {
  margin: 16px 0 0;
}

.page-contact .direction-link a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-line);
  padding-bottom: 2px;
}

.page-contact .direction-link a:hover,
.page-contact .direction-link a:focus-visible {
  color: var(--warm-white);
  border-color: var(--warm-white);
}

/* ---------- 联系渠道侧栏 ---------- */
.page-contact .reach-rail {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 2.6vw, 24px);
  background: rgba(7, 16, 11, 0.55);
  border-top: 2px solid var(--lime);
}

.page-contact .reach-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--warm-white);
}

.page-contact .reach-figure {
  margin: 0;
}

.page-contact .reach-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .reach-block {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .reach-key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--referee-yellow);
}

.page-contact .reach-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed var(--lime-line);
}

.page-contact .reach-phone {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--warm-white);
}

.page-contact .reach-addr {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
  word-break: break-word;
}

.page-contact .reach-note {
  margin: 8px 0 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--text-mute);
}

.page-contact .reach-cta {
  justify-self: start;
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-visual {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-contact .flow-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .flow-step {
  position: relative;
  padding: 18px;
  background: rgba(11, 43, 31, 0.75);
  border-left: 2px solid var(--referee-yellow);
}

.page-contact .flow-no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--referee-yellow);
}

.page-contact .flow-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--warm-white);
}

.page-contact .flow-step > p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .flow-arrow {
  display: none;
  width: 34px;
  height: 14px;
  color: var(--lime);
}

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

.page-contact .flow-more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--lime);
}

.page-contact .flow-more summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow-more summary::before {
  content: "+ ";
}

.page-contact .flow-more[open] summary::before {
  content: "− ";
}

.page-contact .flow-more summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .flow-more p {
  margin: 8px 0 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-mute);
}

/* ---------- 能做的事 ---------- */
.page-contact .capability-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .capability {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--pitch-deep);
}

.page-contact .capability-no {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--lime);
  opacity: 0.8;
}

.page-contact .capability h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--warm-white);
}

.page-contact .capability p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .capability-link {
  margin-top: 4px;
}

.page-contact .capability-link a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-line);
}

.page-contact .capability-link a:hover,
.page-contact .capability-link a:focus-visible {
  color: var(--warm-white);
  border-color: var(--warm-white);
}

/* ---------- 反馈与纠错 ---------- */
.page-contact .feedback-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .feedback-lede {
  max-width: 52ch;
  color: rgba(244, 241, 232, 0.86);
}

.page-contact .feedback-grid .btn {
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(244, 241, 232, 0.14);
  box-shadow: inset 0 0 0 1px rgba(244, 241, 232, 0.14);
}

.page-contact .feedback-list li {
  padding: 16px 18px;
  background: rgba(11, 43, 31, 0.72);
}

.page-contact .feedback-no {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .feedback-list strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--warm-white);
  margin-bottom: 4px;
}

.page-contact .feedback-list p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--text-soft);
}

/* ---------- 来信与回拨 ---------- */
.page-contact .closing-grid {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-contact .closing-item {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--jewel-teal);
}

.page-contact .closing-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--warm-white);
}

.page-contact .closing-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.82);
}

.page-contact .closing-item a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-line);
}

.page-contact .closing-item a:hover,
.page-contact .closing-item a:focus-visible {
  color: var(--warm-white);
  border-color: var(--warm-white);
}

.page-contact .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .closing-actions .btn--primary {
  font-family: var(--font-mono);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .direction-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .flow-arrow {
    display: block;
    position: absolute;
    top: 26px;
    right: -20px;
  }

  .page-contact .flow-step:last-child .flow-arrow {
    display: none;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-contact .directions-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .reach-rail {
    position: sticky;
    top: var(--pc-rail-top);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction-card,
  .page-contact .desk-mail {
    transition: none;
  }

  .page-contact .direction-card:hover,
  .page-contact .direction-card:focus-within {
    transform: none;
  }
}
<<<END>>>