.page-contact {
  --contact-line: rgba(155, 247, 230, 0.16);
  --contact-soft: rgba(199, 222, 215, 0.85);
  background: var(--gray-050);
  color: var(--text-900);
  overflow-x: clip;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--orange-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(880px 420px at 10% -12%, rgba(53, 240, 208, 0.16), transparent 62%),
    linear-gradient(155deg, #0B1F1A 0%, #12483B 58%, #0F5C48 100%);
  color: #E8F5F1;
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -34%;
  width: 62%;
  height: 84%;
  background: radial-gradient(circle, rgba(255, 107, 44, 0.2), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-hero .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumb {
  margin: 0 0 clamp(18px, 3vw, 32px);
}

.page-contact .contact-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-contact .contact-hero .breadcrumb__link {
  color: rgba(232, 245, 241, 0.72);
  text-decoration: none;
}

.page-contact .contact-hero .breadcrumb__link:hover {
  color: var(--cyan-400);
}

.page-contact .contact-hero .breadcrumb__current {
  color: var(--cyan-200);
}

.page-contact .contact-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(232, 245, 241, 0.38);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(22px, 3.4vw, 38px) clamp(20px, 3vw, 34px) clamp(22px, 3.4vw, 38px) clamp(26px, 3.8vw, 44px);
  background: #0E2A23;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(22px, 3.4vw, 38px);
  bottom: clamp(22px, 3.4vw, 38px);
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--cyan-400), rgba(53, 240, 208, 0.12));
}

.page-contact .contact-card .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
}

.page-contact .contact-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.82rem, 5vw, 2.85rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #F4FCFA;
}

.page-contact .contact-card__lede {
  margin: 0 0 24px;
  font-family: var(--font-editorial);
  font-size: clamp(0.98rem, 2.2vw, 1.05rem);
  line-height: 1.85;
  color: #C7DED7;
}

.page-contact .contact-list {
  display: grid;
  margin: 0 0 18px;
}

.page-contact .contact-item {
  padding: 14px 0;
  border-top: 1px solid var(--contact-line);
}

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

.page-contact .contact-item__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(155, 247, 230, 0.7);
}

.page-contact .contact-item__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(0.94rem, 2.6vw, 1.14rem);
  line-height: 1.5;
  color: var(--cyan-200);
  word-break: break-word;
}

.page-contact .contact-item__value--addr {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14.5px;
  line-height: 1.75;
  color: #D3E7E1;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--contact-soft);
}

.page-contact .contact-aside {
  display: grid;
  gap: 18px;
}

.page-contact .contact-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 91%, 0 100%);
}

.page-contact .contact-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-contact .contact-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 26, 0.04) 38%, rgba(11, 31, 26, 0.72));
  pointer-events: none;
}

.page-contact .prep-card {
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: rgba(11, 31, 26, 0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .prep-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 2.4vw, 1.14rem);
  letter-spacing: -0.01em;
  color: #F0FAF7;
}

.page-contact .prep-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.72;
  color: #CFE4DE;
}

.page-contact .prep-list__tick {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid rgba(53, 240, 208, 0.55);
  border-radius: 50%;
  background: rgba(53, 240, 208, 0.1);
}

.page-contact .prep-list__tick::before {
  content: "✓";
  font-size: 11px;
  line-height: 1;
  color: var(--cyan-400);
}

.page-contact .prep-card__foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(199, 222, 215, 0.78);
}

.page-contact .prep-card__foot a {
  color: var(--cyan-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  padding: clamp(40px, 7vw, 84px) 0;
}

.page-contact .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-head .chapter-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(44px, 9vw, 74px);
  line-height: 0.88;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(18, 72, 59, 0.32);
}

.page-contact .section-head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 2.2rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-contact .section-head .serif-lede {
  max-width: 62ch;
  margin: 0;
  font-family: var(--font-editorial);
  font-size: clamp(0.98rem, 2.2vw, 1.05rem);
  line-height: 1.82;
  color: var(--text-muted);
}

/* ---------- 通道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 30px);
  background: #FFFFFF;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: clamp(22px, 3vw, 30px);
  right: clamp(22px, 3vw, 30px);
  top: 0;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--field-500), var(--cyan-400));
}

.page-contact .channel-card__code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--field-600);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.94rem, 2.4vw, 1.04rem);
  line-height: 1.5;
  color: var(--field-600);
  word-break: break-word;
}

.page-contact .channel-card__value a {
  color: var(--field-600);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-400);
  padding-bottom: 1px;
}

.page-contact .channel-card__value a:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .channel-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--gray-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange-500);
}

/* ---------- 诉求分类 ---------- */
.page-contact .demand-section {
  background: #FFFFFF;
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
}

.page-contact .demand-grid {
  display: grid;
  gap: 16px;
}

.page-contact .demand-card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--gray-050);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .demand-card:hover,
.page-contact .demand-card:focus-within {
  border-color: var(--orange-500);
  transform: translateY(-4px);
  box-shadow: 0 24px 44px -34px rgba(11, 31, 26, 0.6);
}

.page-contact .demand-card__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 9px;
  border-radius: 4px;
  background: var(--field-600);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #EAF9F5;
}

.page-contact .demand-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-contact .demand-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .demand-card ul {
  display: grid;
  gap: 7px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-contact .demand-card li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-900);
}

.page-contact .demand-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--field-500);
  box-shadow: 0 0 0 3px rgba(53, 240, 208, 0.22);
}

.page-contact .demand-details {
  padding-top: 12px;
  border-top: 1px dashed var(--gray-300);
}

.page-contact .demand-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--field-600);
}

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

.page-contact .demand-details summary::after {
  content: "+";
  margin-left: auto;
  font-size: 16px;
  line-height: 1;
  color: var(--orange-500);
}

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

.page-contact .demand-details p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--text-muted);
}

/* ---------- 内容纠错 ---------- */
.page-contact .correct-panel {
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  padding: clamp(22px, 4vw, 46px);
  border-radius: clamp(16px, 2vw, 24px);
  background: linear-gradient(150deg, #0B1F1A 0%, #12483B 100%);
  color: #E8F5F1;
  overflow: hidden;
}

.page-contact .correct-panel::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46%;
  height: 70%;
  background: radial-gradient(circle, rgba(53, 240, 208, 0.14), transparent 68%);
  pointer-events: none;
}

.page-contact .correct-body {
  position: relative;
  z-index: 1;
}

.page-contact .correct-body .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
}

.page-contact .correct-panel .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.2vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #F4FCFA;
}

.page-contact .correct-lede {
  margin: 0 0 20px;
  font-family: var(--font-editorial);
  font-size: clamp(0.96rem, 2.2vw, 1.04rem);
  line-height: 1.82;
  color: #C7DED7;
}

.page-contact .correct-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: correct-step;
}

.page-contact .correct-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.72;
  color: #CFE4DE;
  counter-increment: correct-step;
}

.page-contact .correct-steps li::before {
  content: counter(correct-step, decimal-leading-zero);
  display: grid;
  place-items: center;
  height: 26px;
  border-radius: 6px;
  background: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .correct-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .correct-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-400);
}

.page-contact .correct-stat__label {
  flex: 1 1 220px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--contact-soft);
}

.page-contact .correct-foot {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(199, 222, 215, 0.82);
}

.page-contact .correct-foot a {
  color: var(--cyan-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .correct-foot a:hover {
  color: var(--orange-500);
}

.page-contact .correct-figure {
  position: relative;
  z-index: 1;
  margin: 0;
}

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

.page-contact .correct-figure figcaption {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(199, 222, 215, 0.7);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-cta {
  padding: clamp(36px, 6vw, 72px) 0 clamp(48px, 8vw, 96px);
}

.page-contact .cta-panel {
  display: grid;
  gap: 20px;
  padding: clamp(24px, 4vw, 44px);
  background: #FFFFFF;
  border: 1px solid var(--gray-300);
  border-left: 4px solid var(--cyan-400);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-contact .cta-panel h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-contact .cta-panel p {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .cta-actions .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .demand-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 800px) {
  .page-contact .section-head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .cta-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .correct-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .demand-card {
    transition: none;
  }

  .page-contact .demand-card:hover,
  .page-contact .demand-card:focus-within {
    transform: none;
  }
}