.page-contact {
  --contact-border: rgba(125, 249, 255, 0.35);
  --contact-line: rgba(230, 240, 250, 0.12);
  background: var(--c-space);
  color: var(--c-text);
  overflow-x: hidden;
}

/* ===== 01. 首屏框景 ===== */
.contact-hero {
  padding-top: clamp(56px, 8vh, 96px);
}

.contact-hero__frame {
  position: relative;
  margin-top: clamp(24px, 4vh, 48px);
  padding: clamp(28px, 4vw, 52px) clamp(10px, 1.5vw, 20px) clamp(10px, 1.5vw, 20px);
  background: var(--c-space-light);
  border: 1px solid var(--contact-border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.contact-hero__frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 16px;
  right: 16px;
  height: 10px;
  background: repeating-linear-gradient(90deg, var(--c-cyan) 0 6px, transparent 6px 18px);
  opacity: 0.65;
  z-index: 3;
  pointer-events: none;
}

.contact-hero__media {
  overflow: hidden;
}

.contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.contact-hero__panel {
  position: relative;
  padding: clamp(24px, 3vw, 44px) clamp(8px, 2vw, 24px) clamp(16px, 2vw, 28px);
}

.contact-hero__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--c-cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.contact-hero__title {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: 16px;
  max-width: 820px;
}

.contact-hero__lead {
  color: var(--c-text-dim);
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-hero__lead a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(125, 249, 255, 0.4);
  transition: border-color var(--transition);
}

.contact-hero__lead a:hover {
  border-bottom-color: var(--c-cyan);
}

.contact-hero__lead strong,
.contact-hero__lead i {
  color: var(--c-text);
  font-style: normal;
  font-weight: 700;
}

.contact-hero__corner {
  position: absolute;
  width: 26px;
  height: 26px;
  z-index: 2;
  pointer-events: none;
}

.contact-hero__corner--tl {
  top: 6px;
  left: 6px;
  border-top: 2px solid var(--c-cyan);
  border-left: 2px solid var(--c-cyan);
}

.contact-hero__corner--tr {
  top: 6px;
  right: 6px;
  border-top: 2px solid var(--c-cyan);
  border-right: 2px solid var(--c-cyan);
}

.contact-hero__corner--bl {
  bottom: 6px;
  left: 6px;
  border-bottom: 2px solid var(--c-cyan);
  border-left: 2px solid var(--c-cyan);
}

.contact-hero__corner--br {
  bottom: 6px;
  right: 6px;
  border-bottom: 2px solid var(--c-cyan);
  border-right: 2px solid var(--c-cyan);
}

.contact-hero__scale {
  position: absolute;
  right: -1px;
  top: 50%;
  width: 3px;
  height: 64px;
  background: var(--c-green);
  transform: translateY(-50%);
  pointer-events: none;
}

/* ===== 章节标题通用 ===== */
.contact-channels,
.contact-scope,
.contact-response {
  padding: clamp(72px, 10vw, 140px) 0;
}

.contact-section-head {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.contact-section-head__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--c-cyan);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.contact-section-head h2 {
  font-size: var(--fs-section);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: 10px;
}

.contact-section-head__desc {
  color: var(--c-text-dim);
  max-width: 560px;
  line-height: 1.7;
}

/* ===== 02. 联系渠道 ===== */
.contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.contact-channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 36px);
  background: var(--c-glass);
  border: 1px solid var(--contact-line);
  border-radius: 2px;
  color: var(--c-text);
  text-decoration: none;
  overflow: hidden;
  transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}

.contact-channel-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 196, 140, 0.14), transparent 62%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.contact-channel-card:hover::before,
.contact-channel-card:focus-within::before {
  opacity: 1;
}

.contact-channel-card:hover {
  border-color: rgba(0, 196, 140, 0.5);
}

.contact-channel-card__icon {
  color: var(--c-cyan);
  width: 28px;
  height: 28px;
}

.contact-channel-card__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--c-text-dim);
  text-transform: uppercase;
}

.contact-channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 1.2vw, 1.15rem);
  line-height: 1.5;
  word-break: break-all;
  color: var(--c-text);
}

.contact-channel-card__hint {
  font-size: 0.85rem;
  color: var(--c-green);
  margin-top: 4px;
}

.contact-channel-card--address {
  cursor: default;
}

.contact-channel-card--address .contact-channel-card__hint {
  color: var(--c-text-dim);
}

/* ===== 03. 服务范围 ===== */
.contact-scope {
  background: var(--c-space-light);
}

.contact-scope__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 6vw, 72px);
}

.contact-scope__list {
  list-style: none;
  margin: 28px 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.contact-scope__item {
  display: flex;
  gap: 16px;
  padding: 22px 24px;
  background: rgba(230, 240, 250, 0.02);
  border-left: 2px solid var(--c-green);
  transition: background-color var(--transition);
}

.contact-scope__item:hover {
  background: rgba(230, 240, 250, 0.05);
}

.contact-scope__num {
  font-family: var(--font-mono);
  color: var(--c-cyan);
  font-size: 0.85rem;
  line-height: 1.6;
}

.contact-scope__item-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 6px;
}

.contact-scope__item-body p {
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-scope__boundary {
  margin-top: 24px;
  padding: 16px 20px;
  border: 1px dashed rgba(125, 249, 255, 0.3);
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-scope__side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-scope__help {
  padding: clamp(24px, 3vw, 36px);
  background: var(--c-glass);
  border-radius: 2px;
  border: 1px solid var(--contact-line);
}

.contact-scope__help-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.contact-scope__help h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}

.contact-scope__help p {
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.contact-scope__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border: 1px solid var(--contact-line);
  color: var(--c-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: border-color var(--transition), background-color var(--transition);
}

.contact-scope__link:hover {
  border-color: var(--c-cyan);
  background: rgba(125, 249, 255, 0.06);
}

/* ===== 04. 响应承诺 ===== */
.contact-response__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}

.contact-response__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.contact-response__gauge-ring {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: conic-gradient(var(--c-green) 0 75%, rgba(230, 240, 250, 0.1) 75% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.contact-response__gauge-ring::after {
  content: "";
  position: absolute;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: var(--c-space);
  border: 1px solid rgba(230, 240, 250, 0.08);
}

.contact-response__gauge-num {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--c-cyan);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.contact-response__gauge-num span {
  font-size: 1rem;
  color: var(--c-text-dim);
}

.contact-response__gauge-label {
  margin-top: 16px;
  color: var(--c-text-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-response__para {
  color: var(--c-text-dim);
  margin: 16px 0 32px;
  line-height: 1.7;
}

.contact-response__para strong {
  color: var(--c-text);
}

.contact-response__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 0;
  margin: 0;
}

.contact-response__stats li {
  padding: 16px 12px;
  background: var(--c-glass);
  border-left: 2px solid var(--c-red);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-response__stat {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--c-cyan);
}

.contact-response__stat-label {
  font-size: 0.78rem;
  color: var(--c-text-dim);
}

/* ===== 05. 地图位置 ===== */
.contact-map {
  background: var(--c-light);
  color: var(--c-ink);
  padding: clamp(72px, 10vw, 140px) 0;
}

.contact-section-head--light h2 {
  color: var(--c-ink);
}

.contact-section-head--light .contact-section-head__desc {
  color: rgba(0, 27, 46, 0.7);
}

.contact-section-head--light .contact-section-head__index {
  color: var(--c-green);
}

.contact-map__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.contact-map__visual {
  position: relative;
}

.contact-map__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(0, 27, 46, 0.12);
}

.contact-map__pulse {
  position: absolute;
  top: 42%;
  left: 38%;
  width: 14px;
  height: 14px;
  background: var(--c-red);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255, 59, 74, 0.5);
  animation: contact-pulse 2s ease-out infinite;
}

@keyframes contact-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 59, 74, 0.5);
  }
  70% {
    box-shadow: 0 0 0 28px rgba(255, 59, 74, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 59, 74, 0);
  }
}

.contact-map__region {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--c-green);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.contact-map__address {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
}

.contact-map__desc {
  color: rgba(0, 27, 46, 0.72);
  line-height: 1.7;
  font-size: 0.95rem;
}

.contact-map__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.contact-map__links a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--c-green);
  padding-bottom: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color var(--transition), color var(--transition);
}

.contact-map__links a:hover {
  border-bottom-color: var(--c-red);
}

/* ===== 06. 信任声明 ===== */
.contact-trust {
  background: var(--c-space);
  padding: clamp(24px, 4vw, 48px) 0;
  border-top: 1px solid var(--contact-line);
}

.contact-trust__inner {
  padding: 20px 24px;
  border-left: 4px solid var(--c-green);
  background: var(--c-glass);
}

.contact-trust__inner p {
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== 焦点可见性 ===== */
.page-contact a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

/* ===== 响应式中件套 ===== */
@media (min-width: 768px) {
  .contact-channels__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .contact-channel-card--address {
    grid-column: 1 / -1;
  }

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

@media (min-width: 1024px) {
  .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-channel-card--address {
    grid-column: auto;
  }

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

  .contact-scope__main {
    padding-right: clamp(24px, 5vw, 72px);
  }

  .contact-response__layout {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .contact-map__layout {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .contact-map__info {
    padding-left: clamp(16px, 3vw, 40px);
  }
}

@media (min-width: 1280px) {
  .contact-scope__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}