.page-contact {
  --ct-glow: rgba(246, 201, 138, 0.45);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.8rem, 5vw, 3.4rem) clamp(2.6rem, 6vw, 5rem);
  background-image:
    linear-gradient(to right, var(--line-08) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-08) 1px, transparent 1px);
  background-size: 96px 96px;
  overflow: hidden;
}

.page-contact .ct-sep {
  color: var(--muted);
  margin-inline: 0.45rem;
  font-family: var(--font-mono);
}

.page-contact .hero-head {
  max-width: 62ch;
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-contact .hero-title {
  margin: 0.5rem 0 0.9rem;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.22;
  font-size: clamp(1.85rem, 6vw, 3.1rem);
  color: var(--paper);
}

.page-contact .hero-lede {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper-72);
}

/* ---------- 联系卡 + 渠道说明 ---------- */
.page-contact .contact-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 5vw, 3rem);
  margin-top: clamp(1.8rem, 4.5vw, 3rem);
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card);
  border: 1px solid var(--line-14);
  background: linear-gradient(165deg, var(--lake-deep) 0%, var(--lake-mid) 44%, var(--ink-night) 100%);
  box-shadow: var(--shadow-card);
  isolation: isolate;
}

.page-contact .contact-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  z-index: 0;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(170deg, rgba(14, 58, 68, 0.42) 0%, rgba(12, 22, 38, 0.9) 82%);
  pointer-events: none;
}

.page-contact .contact-card-body {
  position: relative;
  z-index: 2;
  padding: clamp(1.3rem, 4vw, 2.3rem);
}

.page-contact .contact-row {
  padding-block: clamp(0.9rem, 2.6vw, 1.25rem);
  border-top: 1px solid var(--line-14);
}

.page-contact .contact-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-key {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .contact-big {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.4vw, 1.6rem);
  line-height: 1.35;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-mid {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .contact-note {
  margin: 0.45rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.7rem;
}

.page-contact .ct-copy {
  appearance: none;
  cursor: pointer;
  padding: 0.36rem 0.8rem;
  border-radius: var(--r-capsule);
  border: 1px solid var(--line-14);
  background: var(--paper-06);
  color: var(--paper-72);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-contact .ct-copy:hover {
  color: var(--chip-glow);
  border-color: var(--chip-gold);
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--chip-glow);
  outline-offset: 2px;
}

.page-contact .ct-copy[data-copied] {
  color: var(--chip-gold);
  border-color: var(--chip-gold);
  background: rgba(227, 168, 87, 0.14);
}

.page-contact .contact-notes {
  border-left: 1px solid var(--line-14);
  padding-left: clamp(1rem, 3.4vw, 1.9rem);
}

.page-contact .notes-title {
  margin: 0 0 clamp(1rem, 3vw, 1.5rem);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(0.9rem, 2.6vw, 1.3rem);
}

.page-contact .channel-item {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.55rem;
  padding-bottom: clamp(0.9rem, 2.6vw, 1.3rem);
  border-bottom: 1px dashed var(--line-08);
}

.page-contact .channel-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .channel-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--chip-gold);
  letter-spacing: 0.08em;
  padding-top: 0.15rem;
}

.page-contact .channel-title {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .channel-text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--paper-72);
}

.page-contact .channel-foot {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 反馈清单 ---------- */
.page-contact .feedback-zone {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-contact .section-head {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}

.page-contact .section-title {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  font-size: clamp(1.45rem, 4.2vw, 2.15rem);
  color: var(--paper);
}

.page-contact .section-lede {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--paper-72);
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.6rem);
  align-items: start;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(0.75rem, 2.4vw, 1.1rem);
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 1.35rem minmax(0, 1fr);
  gap: clamp(0.7rem, 2.4vw, 1.1rem);
  padding: clamp(0.9rem, 3vw, 1.3rem);
  border: 1px solid var(--line-14);
  border-radius: var(--r-soft);
  background: var(--paper-06);
  transition: transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.page-contact .check-item:hover {
  transform: translateY(-2px);
  border-color: var(--chip-gold);
  background: rgba(227, 168, 87, 0.08);
}

.page-contact .check-box {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.32rem;
  border: 2px solid var(--felt-light);
  border-radius: 3px;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-contact .check-item:hover .check-box {
  border-color: var(--chip-gold);
  background: rgba(227, 168, 87, 0.22);
}

.page-contact .check-title {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .check-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--paper-72);
}

.page-contact .feedback-side {
  display: grid;
  gap: clamp(0.8rem, 2.4vw, 1.2rem);
}

.page-contact .check-hint {
  margin: 0;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--chip-gold);
  background: rgba(227, 168, 87, 0.09);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 合作 ---------- */
.page-contact .coop-zone {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-contact .coop-grid {
  align-items: stretch;
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.2rem, 3.4vw, 1.8rem);
  border: 1px solid var(--line-14);
  border-radius: var(--r-card-alt);
  background: linear-gradient(180deg, rgba(244, 241, 232, 0.07) 0%, rgba(12, 22, 38, 0.4) 100%);
  transition: transform var(--t-fast), border-color var(--t-fast);
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  border-color: var(--chip-gold);
}

.page-contact .coop-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .coop-text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--paper-72);
}

.page-contact .coop-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--chip-glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 201, 138, 0.4);
  padding-bottom: 2px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .coop-link:hover {
  color: var(--chip-gold);
  border-color: var(--chip-gold);
}

.page-contact .coop-link:focus-visible {
  outline: 2px solid var(--chip-glow);
  outline-offset: 3px;
}

/* ---------- 值班 ---------- */
.page-contact .duty-zone {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-contact .duty-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.8rem);
  align-items: center;
}

.page-contact .duty-lamp {
  position: relative;
  padding: clamp(1.4rem, 4.2vw, 2.3rem);
  border-radius: 22px 8px 26px 10px;
  border: 1px solid rgba(227, 168, 87, 0.36);
  background:
    radial-gradient(130% 96% at 18% 0%, rgba(246, 201, 138, 0.24) 0%, rgba(14, 58, 68, 0.62) 44%, rgba(12, 22, 38, 0.94) 100%);
  box-shadow: 0 42px 88px -52px var(--ct-glow), inset 0 0 0 1px rgba(227, 168, 87, 0.08);
  overflow: hidden;
}

.page-contact .duty-lamp::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(246, 201, 138, 0.22) 0%, transparent 68%);
  pointer-events: none;
}

.page-contact .duty-kicker {
  position: relative;
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-contact .duty-time {
  position: relative;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.4vw, 1.55rem);
  line-height: 1.5;
  color: var(--chip-glow);
  letter-spacing: -0.01em;
}

.page-contact .duty-time--sub {
  margin-top: 0.35rem;
  color: var(--paper);
  opacity: 0.9;
}

.page-contact .duty-text {
  position: relative;
  margin: 0.9rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--paper-72);
}

.page-contact .duty-list {
  list-style: none;
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .duty-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed var(--line-08);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--paper-72);
}

.page-contact .duty-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

/* ---------- 速答 ---------- */
.page-contact .qa-zone {
  padding-block: clamp(2.4rem, 6vw, 4.4rem) clamp(2.8rem, 7vw, 5rem);
}

.page-contact .qa-list {
  border-top: 1px solid var(--line-14);
}

.page-contact .qa-item {
  border-bottom: 1px solid var(--line-14);
}

.page-contact .qa-q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: clamp(0.95rem, 3vw, 1.25rem) 2.2rem clamp(0.95rem, 3vw, 1.25rem) 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
  transition: color var(--t-fast);
}

.page-contact .qa-q::-webkit-details-marker {
  display: none;
}

.page-contact .qa-q:hover {
  color: var(--chip-glow);
}

.page-contact .qa-q:focus-visible {
  outline: 2px solid var(--chip-glow);
  outline-offset: 3px;
}

.page-contact .qa-q::after {
  content: "+";
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--chip-gold);
}

.page-contact .qa-item[open] .qa-q::after {
  content: "−";
}

.page-contact .qa-a {
  padding: 0 0 clamp(1rem, 3vw, 1.4rem);
  max-width: 66ch;
}

.page-contact .qa-a p {
  margin: 0 0 0.5rem;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--paper-72);
}

.page-contact .qa-links {
  margin-top: 0.3rem;
}

.page-contact .qa-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--chip-glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 201, 138, 0.4);
  padding-bottom: 2px;
}

.page-contact .qa-links a:hover {
  color: var(--chip-gold);
  border-color: var(--chip-gold);
}

.page-contact .qa-links a:focus-visible {
  outline: 2px solid var(--chip-glow);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .duty-shell {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
}

@media (min-width: 980px) {
  .page-contact .contact-stage {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(1.8rem, 4vw, 3.2rem);
    align-items: start;
  }
}

@media (max-width: 520px) {
  .page-contact .contact-hero {
    background-size: 64px 64px;
  }

  .page-contact .contact-big {
    font-size: 1.02rem;
  }

  .page-contact .contact-notes {
    padding-left: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .check-item,
  .page-contact .coop-card,
  .page-contact .ct-copy,
  .page-contact .qa-q {
    transition: none;
  }

  .page-contact .check-item:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}
<<<END>>>