.page-contact {
  --contact-radius: 16px;
  --contact-line: 1px solid var(--line-green);
  display: block;
  background: var(--pitch-900);
  color: var(--mist);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-contact h1,
.page-contact h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact p {
  margin: 0;
}

.page-contact .eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--signal-teal);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--pitch-950);
}

.page-contact .hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.65) contrast(1.08);
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 19, 15, 0.6) 0%, rgba(5, 19, 15, 0.84) 54%, var(--pitch-950) 100%),
    repeating-linear-gradient(90deg, rgba(59, 242, 196, 0.06) 0 1px, transparent 1px 110px);
}

.page-contact .hero-inner {
  position: relative;
  padding-block: clamp(2.25rem, 5.5vw, 4.5rem) clamp(2.5rem, 6.5vw, 5rem);
}

.page-contact .hero-inner .breadcrumbs {
  margin-bottom: 1.15rem;
}

.page-contact .breadcrumbs-link {
  color: var(--teal-soft);
}

.page-contact .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0.34rem 0.75rem 0.34rem 0.62rem;
  border: 1px solid rgba(59, 242, 196, 0.34);
  border-radius: 999px;
  background: rgba(5, 19, 15, 0.62);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--signal-teal);
}

.page-contact .hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-teal);
  animation: contact-signal-pulse 2.6s var(--ease) infinite;
}

@keyframes contact-signal-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 242, 196, 0.5); }
  50% { box-shadow: 0 0 0 5px rgba(59, 242, 196, 0); }
}

.page-contact h1 {
  max-width: min(100%, 46rem);
  font-size: clamp(1.85rem, 5vw, 3.2rem);
  font-weight: 900;
}

.page-contact .hero-lede {
  max-width: 44rem;
  margin-top: 1.1rem;
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ---------- 双栏主体 ---------- */

.page-contact .contact-body {
  padding-block: clamp(2.75rem, 6vw, 5rem);
  background:
    radial-gradient(1100px 420px at 92% -8%, rgba(59, 242, 196, 0.07), transparent 70%),
    var(--pitch-900);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3rem);
}

.page-contact .feedback-column,
.page-contact .side-column {
  min-width: 0;
}

.page-contact .side-column {
  display: grid;
  gap: 1.15rem;
  align-content: start;
}

.page-contact .column-title {
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  margin-bottom: 0.65rem;
}

.page-contact .column-lede {
  max-width: 46rem;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 反馈类型标牌 ---------- */

.page-contact .type-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.page-contact .type-plaque {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.3rem 0.85rem;
  padding: 1.05rem 1.15rem 1.15rem;
  border: var(--contact-line);
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(22, 59, 46, 0.55), rgba(8, 28, 22, 0.92));
  cursor: pointer;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .type-plaque:hover {
  border-color: var(--teal-soft);
  transform: translateY(-2px);
}

.page-contact .type-plaque:focus-within {
  outline: 2px solid var(--signal-teal);
  outline-offset: 3px;
}

.page-contact .type-plaque:has(input:checked) {
  border-color: var(--warm-orange);
  background: linear-gradient(160deg, rgba(201, 86, 28, 0.22), rgba(8, 28, 22, 0.94));
  box-shadow: 0 0 0 1px rgba(255, 138, 61, 0.4), 0 16px 34px -24px rgba(255, 138, 61, 0.8);
}

.page-contact .type-plaque input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .plaque-index {
  grid-column: 1;
  grid-row: 1 / span 3;
  font-family: var(--font-data);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(59, 242, 196, 0.34);
  transition: color 0.22s var(--ease);
}

.page-contact .type-plaque:has(input:checked) .plaque-index {
  color: var(--warm-orange);
}

.page-contact .plaque-name {
  grid-column: 2;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .plaque-desc {
  grid-column: 2;
  font-size: 0.86rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .plaque-need {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--teal-soft);
}

/* ---------- 表单区 ---------- */

.page-contact .feedback-form {
  margin-top: clamp(2.25rem, 5vw, 3.25rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: var(--contact-line);
}

.page-contact .field-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  margin-top: 1.6rem;
}

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

.page-contact .field-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  margin-bottom: 0.45rem;
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--teal-soft);
}

.page-contact .req {
  padding: 0.05rem 0.42rem;
  border: 1px solid rgba(255, 138, 61, 0.5);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--warm-orange);
}

.page-contact .field-input,
.page-contact .field-textarea {
  display: block;
  width: 100%;
  padding: 0.76rem 0.9rem;
  border: 1px solid var(--line-green);
  border-radius: 10px;
  background: var(--pitch-800);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.65;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .field-textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.page-contact .field-input::placeholder,
.page-contact .field-textarea::placeholder {
  color: rgba(195, 210, 203, 0.44);
}

.page-contact .field-input:focus,
.page-contact .field-textarea:focus {
  outline: none;
  border-color: var(--signal-teal);
  background: var(--pitch-700);
  box-shadow: 0 0 0 3px rgba(59, 242, 196, 0.14);
}

.page-contact .field-input--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.page-contact .field-hint {
  margin-top: 0.4rem;
  font-size: 0.77rem;
  line-height: 1.65;
  color: rgba(195, 210, 203, 0.7);
}

.page-contact .form-foot {
  margin-top: 1.5rem;
  padding: 1.05rem 1.15rem 1.15rem;
  border-left: 2px solid var(--signal-teal);
  border-radius: 0 10px 10px 0;
  background: rgba(59, 242, 196, 0.07);
}

.page-contact .form-foot-title {
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--signal-teal);
}

.page-contact .form-foot p:last-child {
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 侧栏卡片 ---------- */

.page-contact .side-card {
  padding: clamp(1.15rem, 2.4vw, 1.65rem);
  border: var(--contact-line);
  border-radius: var(--contact-radius);
  background: linear-gradient(165deg, rgba(14, 42, 33, 0.96), rgba(8, 28, 22, 0.98));
}

.page-contact .side-title {
  font-size: clamp(1.12rem, 2.2vw, 1.35rem);
  margin-bottom: 0.35rem;
}

.page-contact .channel-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.05rem;
}

.page-contact .channel-item {
  padding-top: 1rem;
  border-top: 1px dashed var(--line-green);
}

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

.page-contact .channel-label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--signal-teal);
}

.page-contact .channel-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel-value--phone {
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .channel-value--text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.72;
}

.page-contact .channel-use {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.82rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .channel-note {
  margin-top: 1.15rem;
  padding-top: 0.95rem;
  border-top: 1px dashed var(--line-green);
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(195, 210, 203, 0.78);
}

/* ---------- 响应时段刻度 ---------- */

.page-contact .rule-bar {
  position: relative;
  height: 3.4rem;
  margin: 1.35rem 0 0.35rem;
}

.page-contact .rule-track {
  position: absolute;
  left: 0;
  right: 0;
  top: 0.75rem;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--signal-teal), var(--teal-soft) 58%, var(--warm-orange));
}

.page-contact .rule-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -5px;
  height: 13px;
  background: repeating-linear-gradient(90deg, var(--line-green) 0 1px, transparent 1px 10%);
  opacity: 0.75;
}

.page-contact .rule-tick {
  position: absolute;
  top: 1.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  transform: translateX(-50%);
}

.page-contact .rule-tick--start {
  left: 0;
  transform: none;
}

.page-contact .rule-tick--mid {
  left: 50%;
}

.page-contact .rule-tick--end {
  left: 100%;
  transform: translateX(-100%);
}

.page-contact .response-list {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-contact .response-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .response-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-teal);
}

/* ---------- 侧栏图片 ---------- */

.page-contact .side-figure {
  margin: 0;
  overflow: hidden;
  border: var(--contact-line);
  border-radius: var(--contact-radius);
  background: var(--pitch-800);
}

.page-contact .side-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 650;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .side-figure figcaption {
  padding: 0.7rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 合作联络 ---------- */

.page-contact .coop-section {
  padding-block: clamp(2.75rem, 6vw, 5rem);
  border-top: var(--contact-line);
  background: linear-gradient(180deg, var(--pitch-950) 0%, var(--pitch-900) 100%);
}

.page-contact .coop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.25rem);
}

.page-contact .coop-title {
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
  margin-bottom: 0.9rem;
}

.page-contact .coop-copy p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-copy p + p {
  margin-top: 0.7rem;
}

.page-contact .coop-contact {
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line-green);
  font-size: 0.82rem;
  color: rgba(195, 210, 203, 0.8);
}

.page-contact .coop-plaques {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  align-content: start;
}

.page-contact .coop-plaque {
  padding: 1rem 1.1rem 1.1rem;
  border: var(--contact-line);
  border-radius: 14px;
  background: rgba(14, 42, 33, 0.7);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .coop-plaque:hover {
  border-color: var(--teal-soft);
  transform: translateY(-2px);
}

.page-contact .coop-index {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-data);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(156, 140, 255, 0.85);
}

.page-contact .coop-plaque p {
  margin-top: 0.4rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem 1.25rem;
  }

  .page-contact .field--full {
    grid-column: 1 / -1;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
    gap: clamp(2rem, 4vw, 3.75rem);
    align-items: start;
  }

  .page-contact .coop-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .coop-plaques {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-contact .coop-plaques {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hero-eyebrow::before {
    animation: none;
  }

  .page-contact .type-plaque,
  .page-contact .coop-plaque,
  .page-contact .field-input,
  .page-contact .field-textarea {
    transition: none;
  }

  .page-contact .type-plaque:hover,
  .page-contact .coop-plaque:hover {
    transform: none;
  }
}
</main>