.page-contact {
  --contact-orange: #FF6B00;
  --contact-blue: #00C2FF;
  --contact-green: #39FF14;
  --contact-paper: #F5F0E8;
  --contact-paper-dim: #E8E0D0;
  --contact-ink: #1A1A1A;
  --contact-muted: #B0B0B0;
  --contact-panel: #1F1F1F;
  --contact-line: rgba(245, 240, 232, 0.14);
  --contact-title: clamp(1.75rem, 4vw, 2.75rem);
  position: relative;
  background:
    repeating-linear-gradient(-45deg, transparent, transparent 20px, rgba(245, 240, 232, 0.015) 20px, rgba(245, 240, 232, 0.015) 21px),
    #0A0A0A;
  overflow-x: hidden;
}

/* ---------- 1. 框景标题区 ---------- */
.page-contact .contact-hero {
  padding: 1.5rem 0 2.5rem;
}

.page-contact .breadcrumb {
  margin-bottom: 1.25rem;
}

.page-contact .hero-frame-box {
  position: relative;
  background: linear-gradient(135deg, #1F1F1F 0%, #151515 100%);
  border: 1px solid var(--contact-line);
  padding: 1.75rem 1.25rem;
  overflow: hidden;
  isolation: isolate;
}

.page-contact .hero-frame-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--contact-blue) 0%, var(--contact-orange) 60%, var(--contact-green) 100%);
  z-index: 2;
}

.page-contact .hero-copy {
  position: relative;
  z-index: 2;
}

.page-contact .hero-copy h1 {
  font-family: var(--font-head);
  font-size: var(--contact-title);
  line-height: 1.15;
  color: var(--paper);
  margin: 0.75rem 0 1rem;
  letter-spacing: 0.01em;
  display: inline-block;
  position: relative;
}

.page-contact .hero-copy h1::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 3px;
  background: var(--contact-orange);
  transform: skewX(-30deg);
}

.page-contact .hero-desc {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 62ch;
}

.page-contact .hero-aside {
  position: relative;
  z-index: 2;
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 107, 0, 0.07);
  border-left: 3px solid var(--contact-orange);
  max-width: 360px;
}

.page-contact .hero-aside .stamp-label {
  margin-bottom: 0.5rem;
}

.page-contact .hero-aside strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--contact-orange);
  font-weight: 500;
  white-space: nowrap;
}

.page-contact .hero-note {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.6;
}

.page-contact .hero-speed {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.page-contact .speed-line {
  position: absolute;
  height: 2px;
  border-radius: 2px;
  transform: rotate(-28deg);
}

.page-contact .speed-line:nth-child(1) {
  width: 220px;
  right: -40px;
  top: 20px;
  background: linear-gradient(90deg, transparent, var(--contact-blue));
  opacity: 0.32;
}

.page-contact .speed-line:nth-child(2) {
  width: 160px;
  right: -20px;
  top: 120px;
  background: linear-gradient(90deg, transparent, var(--contact-orange));
  opacity: 0.28;
}

.page-contact .speed-line:nth-child(3) {
  width: 120px;
  right: 10px;
  bottom: 40px;
  background: linear-gradient(90deg, transparent, var(--contact-green));
  opacity: 0.2;
}

/* ---------- 2. 通讯录核心区 ---------- */
.page-contact .contact-directory {
  padding: 0 0 3rem;
}

.page-contact .contact-directory .section-head {
  margin-bottom: 1.5rem;
}

.page-contact .directory-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .contact-card {
  position: relative;
  padding: 1.5rem 1.25rem;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.page-contact .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-contact .card-main-row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.page-contact .card-main-row--stack {
  align-items: flex-start;
}

.page-contact .card-icon {
  flex-shrink: 0;
  color: currentColor;
  opacity: 0.85;
}

.page-contact .card-desc {
  margin: 0.875rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  opacity: 0.75;
}

/* 电话卡片 */
.page-contact .contact-card--phone {
  background: var(--contact-paper);
  border: 1px solid var(--contact-paper-dim);
  color: var(--contact-ink);
}

.page-contact .contact-card--phone .stamp-label {
  background: var(--contact-ink);
  color: var(--contact-paper);
}

.page-contact .contact-card--phone .card-desc {
  opacity: 0.7;
}

.page-contact .contact-phone-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 600;
  color: var(--contact-orange);
  text-decoration: none;
  line-height: 1.3;
  letter-spacing: 0.02em;
  position: relative;
  overflow-wrap: anywhere;
}

.page-contact .contact-phone-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--contact-orange);
  transition: width 0.25s ease;
}

.page-contact .contact-phone-link:hover::after,
.page-contact .contact-phone-link:focus-visible::after {
  width: 100%;
}

.page-contact .contact-phone-link:focus-visible,
.page-contact .contact-email-link:focus-visible {
  outline: 2px solid var(--contact-blue);
  outline-offset: 3px;
}

/* 邮箱卡片 */
.page-contact .contact-card--email {
  background: var(--contact-panel);
  border: 1px solid rgba(0, 194, 255, 0.3);
  color: var(--paper);
}

.page-contact .contact-card--email::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: var(--contact-blue);
  opacity: 0.4;
}

.page-contact .contact-card--email .card-icon {
  color: var(--contact-blue);
}

.page-contact .email-list {
  min-width: 0;
  flex: 1;
}

.page-contact .contact-email-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--contact-blue);
  text-decoration: none;
  line-height: 1.6;
  overflow-wrap: anywhere;
  border-bottom: 1px solid rgba(0, 194, 255, 0.2);
  padding: 0.25rem 0;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .contact-email-link:hover,
.page-contact .contact-email-link:focus-visible {
  border-bottom-color: var(--contact-blue);
  color: var(--paper);
}

.page-contact .email-usage {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.125rem 0 0.75rem;
  letter-spacing: 0.04em;
}

/* 服务时间卡片 */
.page-contact .contact-card--time {
  background: linear-gradient(135deg, #1F1F1F 0%, #171717 100%);
  border: 1px solid var(--contact-line);
  color: var(--paper);
}

.page-contact .contact-card--time .card-icon {
  color: var(--contact-green);
}

.page-contact .time-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-contact .time-text {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
}

.page-contact .time-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--contact-green);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-contact .time-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid rgba(57, 255, 20, 0.25);
  padding: 0.4rem;
  background: rgba(57, 255, 20, 0.05);
  flex-shrink: 0;
}

.page-contact .online-dot {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--contact-green);
  box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.5);
  opacity: 0.9;
}

/* 地址卡片 */
.page-contact .contact-card--address {
  background: var(--contact-paper);
  border: 1px solid var(--contact-paper-dim);
  color: var(--contact-ink);
}

.page-contact .contact-card--address .stamp-label {
  background: var(--contact-ink);
  color: var(--contact-paper);
}

.page-contact .contact-card--address .card-icon {
  color: var(--contact-ink);
}

.page-contact .contact-card--address .address-value {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--contact-ink);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-contact .contact-card--address .card-desc {
  opacity: 0.7;
}

/* ---------- 3. 地图区 ---------- */
.page-contact .contact-map {
  padding: 0 0 3rem;
}

.page-contact .map-frame {
  position: relative;
  border: 1px solid var(--contact-line);
  overflow: hidden;
  background: #111;
}

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

.page-contact .map-overlay {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  padding: 0.875rem 1.125rem;
  background: rgba(10, 10, 10, 0.85);
  border-left: 3px solid var(--contact-orange);
  backdrop-filter: blur(4px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .map-frame:hover .map-overlay {
  border-color: var(--contact-blue);
  box-shadow: 0 4px 20px rgba(0, 194, 255, 0.15);
}

.page-contact .map-overlay p {
  margin: 0.375rem 0 0;
  font-size: 0.8125rem;
  color: var(--paper);
  line-height: 1.5;
}

/* ---------- 4. 渠道说明区 ---------- */
.page-contact .contact-channels {
  padding: 0 0 3rem;
}

.page-contact .contact-channels .section-head {
  margin-bottom: 1.5rem;
}

.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .channel-item {
  background: var(--contact-panel);
  border: 1px solid var(--contact-line);
  border-top: 3px solid transparent;
  padding: 1.5rem 1.25rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel-item:hover {
  transform: translateY(-2px);
}

.page-contact .channel-item:focus-within {
  border-color: var(--contact-blue);
}

.page-contact .channel-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
  letter-spacing: 0.03em;
}

.page-contact .channel-tag--info {
  background: rgba(0, 194, 255, 0.12);
  color: var(--contact-blue);
  border: 1px solid rgba(0, 194, 255, 0.35);
}

.page-contact .channel-tag--support {
  background: rgba(57, 255, 20, 0.1);
  color: var(--contact-green);
  border: 1px solid rgba(57, 255, 20, 0.35);
}

.page-contact .channel-tag--phone {
  background: rgba(255, 107, 0, 0.12);
  color: var(--contact-orange);
  border: 1px solid rgba(255, 107, 0, 0.35);
}

.page-contact .channel-item h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--paper);
  margin: 0.875rem 0 0.5rem;
  font-weight: 500;
}

.page-contact .channel-item p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 5. 帮助引导区 ---------- */
.page-contact .contact-help {
  padding: 0 0 3.5rem;
}

.page-contact .help-panel {
  background:
    linear-gradient(120deg, rgba(0, 194, 255, 0.05) 0%, transparent 50%),
    linear-gradient(300deg, rgba(255, 107, 0, 0.05) 100%, transparent 50%),
    #1F1F1F;
  border: 1px solid var(--contact-line);
  padding: 1.75rem 1.5rem;
}

.page-contact .help-copy h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--paper);
  margin: 0.75rem 0 0.75rem;
}

.page-contact .help-copy p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.8;
  margin: 0;
}

.page-contact .help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-contact .help-links .btn {
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  margin: 0;
}

/* ---------- 响应式：平板 & 桌面 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 2rem 0 3rem;
  }

  .page-contact .hero-frame-box {
    padding: 2.5rem 2rem;
  }

  .page-contact .hero-layout {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    gap: 1.5rem;
    align-items: start;
  }

  .page-contact .hero-aside {
    margin-top: 0;
  }

  .page-contact .directory-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 1.25rem;
  }

  .page-contact .contact-card--phone {
    grid-column: span 6;
  }

  .page-contact .contact-card--email {
    grid-column: span 6;
  }

  .page-contact .contact-card--time {
    grid-column: span 4;
    transform: rotate(-1.2deg);
  }

  .page-contact .contact-card--time:hover {
    transform: rotate(-1.2deg) translateY(-4px);
  }

  .page-contact .contact-card--address {
    grid-column: span 8;
    transform: rotate(1deg);
  }

  .page-contact .contact-card--address:hover {
    transform: rotate(1deg) translateY(-4px);
  }

  .page-contact .contact-card {
    padding: 1.75rem;
  }

  .page-contact .contact-phone-link {
    font-size: 2rem;
  }

  .page-contact .time-value {
    font-size: 1.125rem;
  }

  .page-contact .time-icon {
    width: 72px;
    height: 72px;
  }

  .page-contact .map-overlay {
    left: 2rem;
    bottom: 2rem;
    padding: 1rem 1.375rem;
  }

  .page-contact .channels-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-contact .channel-item {
    padding: 1.75rem 1.5rem;
  }

  .page-contact .help-panel {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    padding: 2.5rem;
  }

  .page-contact .help-copy {
    flex: 1;
  }

  .page-contact .help-links {
    flex-direction: column;
    min-width: 200px;
    margin-top: 0;
  }
}

@media (min-width: 1200px) {
  .page-contact .hero-copy h1 {
    font-size: 3rem;
  }

  .page-contact .contact-card--phone {
    grid-column: span 5;
  }

  .page-contact .contact-card--email {
    grid-column: span 7;
  }

  .page-contact .contact-card--time {
    grid-column: span 4;
  }

  .page-contact .contact-card--address {
    grid-column: span 8;
  }

  .page-contact .contact-email-link {
    font-size: 0.9375rem;
  }
}