.page-contact {
  --contact-purple: #b14bff;
  --contact-pink: #ff3da6;
  --contact-cyan: #29e6ff;
  --contact-card-bg: #141422;
  --contact-card-border: rgba(177, 75, 255, 0.32);
  --contact-soft-line: rgba(177, 75, 255, 0.16);
  --contact-ink-dim: #7a7694;
  --contact-ink-soft: #b7b3cd;
  background: var(--bg-void);
  color: var(--ink);
  overflow-x: clip;
}

/* —— 外层容器与面包屑 —— */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--contact-cyan);
}
.page-contact .breadcrumb-sep {
  color: var(--contact-ink-dim);
}

.page-contact .container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* —— 首屏 Hero：超大标题 + 信号圆环装饰 —— */
.page-contact .contact-hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--contact-soft-line);
  background:
    radial-gradient(circle at 82% 42%, rgba(177, 75, 255, 0.22), transparent 42%),
    radial-gradient(circle at 12% 88%, rgba(41, 230, 255, 0.08), transparent 38%),
    var(--bg-deep);
}
.page-contact .contact-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
}
.page-contact .contact-hero-copy h1 {
  margin: 18px 0 20px;
  font-size: clamp(40px, 7.2vw, 72px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 14px;
}
.page-contact .contact-hero-copy h1 .text-glow {
  background: linear-gradient(100deg, var(--contact-purple) 0%, var(--contact-pink) 60%, var(--contact-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 16px rgba(255, 61, 166, 0.24));
}
.page-contact .contact-hero-lead {
  max-width: 46ch;
  color: var(--contact-ink-soft);
  font-size: 17px;
  line-height: 1.9;
}
.page-contact .contact-hero-signal {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 240px;
  height: 240px;
  justify-self: center;
}
.page-contact .signal-glyph {
  width: 84px;
  height: 84px;
  background: linear-gradient(135deg, var(--contact-purple), var(--contact-pink));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  box-shadow: 0 0 36px rgba(255, 61, 166, 0.36);
  z-index: 1;
}
.page-contact .signal-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--contact-card-border);
  transform: rotate(24deg) scale(0.9);
  animation: contact-pulse 4s ease-in-out infinite;
}
.page-contact .signal-ring::before,
.page-contact .signal-ring::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(41, 230, 255, 0.34);
  transform: rotate(36deg);
}
.page-contact .signal-ring::after {
  inset: 34px;
  transform: rotate(-18deg);
  border-color: rgba(177, 75, 255, 0.26);
}
.page-contact .signal-code {
  position: absolute;
  bottom: -42px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--contact-ink-dim);
  white-space: nowrap;
}
@keyframes contact-pulse {
  0%, 100% { transform: rotate(24deg) scale(0.9); opacity: 1; }
  50% { transform: rotate(24deg) scale(1.04); opacity: 0.6; }
}

/* —— 共享区块节奏 —— */
.page-contact .section {
  padding: 72px 0;
}
.page-contact .section-head {
  margin-bottom: 36px;
}
.page-contact .section-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-contact .kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--contact-cyan);
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-contact .kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--contact-cyan);
}

/* —— 渠道卡片 —— */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-contact .channel-card {
  position: relative;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-card-border);
  border-radius: 0;
  padding: 28px 24px 44px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}
.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--contact-pink), transparent 64%);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}
.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 61, 166, 0.5);
  box-shadow: 0 0 32px rgba(177, 75, 255, 0.14), 0 12px 32px rgba(0, 0, 0, 0.36);
}
.page-contact .channel-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--contact-ink-dim);
  letter-spacing: 0.08em;
}
.page-contact .channel-card .card-title {
  margin: 14px 0 12px;
  font-size: 22px;
}
.page-contact .channel-card .card-body {
  padding: 0;
  color: var(--contact-ink-soft);
}
.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--contact-cyan);
  word-break: break-all;
  line-height: 1.6;
}
.page-contact .channel-desc {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--contact-ink-soft);
}
.page-contact .channel-tagline {
  margin-top: 22px;
}
.page-contact .channel-tagline .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 61, 166, 0.34);
  color: var(--contact-cyan);
  letter-spacing: 0.08em;
}
.page-contact .channel-tagline .tag b {
  color: var(--contact-pink);
  font-weight: 600;
}

/* —— 服务路径 —— */
.page-contact .route-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.page-contact .path {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.page-contact .path-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px 16px;
  border-left: 2px solid var(--contact-soft-line);
  position: relative;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.page-contact .path-step::before {
  content: attr(data-index);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--contact-purple);
  line-height: 1.4;
}
.page-contact .path-step::after {
  content: "";
  position: absolute;
  left: -7px;
  top: 26px;
  width: 12px;
  height: 12px;
  background: var(--bg-deep);
  border: 2px solid var(--contact-purple);
  transform: rotate(45deg);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .path-step:hover {
  border-left-color: var(--contact-pink);
  background: rgba(177, 75, 255, 0.06);
}
.page-contact .path-step:hover::after {
  background: var(--contact-pink);
  box-shadow: 0 0 12px rgba(255, 61, 166, 0.6);
}
.page-contact .path-name {
  display: block;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.page-contact .path-note {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--contact-ink-dim);
}
.page-contact .route-aside {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}
.page-contact .route-aside-card {
  background: linear-gradient(160deg, rgba(177, 75, 255, 0.09), rgba(41, 230, 255, 0.03));
  border: 1px solid var(--contact-card-border);
  padding: 24px 18px;
  text-align: center;
}
.page-contact .aside-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--contact-ink-dim);
}
.page-contact .aside-stat {
  margin: 12px 0 6px;
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--contact-purple), var(--contact-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-contact .aside-note {
  font-size: 12px;
  line-height: 1.6;
  color: var(--contact-ink-dim);
}

/* —— FAQ 折叠 —— */
.page-contact .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-contact .faq-list {
  border-top: 1px solid var(--contact-soft-line);
}
.page-contact .qitem {
  border-bottom: 1px solid var(--contact-soft-line);
  background: transparent;
}
.page-contact .qitem summary {
  cursor: pointer;
  padding: 20px 44px 20px 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  list-style: none;
  position: relative;
  transition: color 0.2s ease;
}
.page-contact .qitem summary::-webkit-details-marker {
  display: none;
}
.page-contact .qitem summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--contact-purple);
  transition: transform 0.25s ease, color 0.25s ease;
}
.page-contact .qitem[open] summary {
  color: var(--contact-cyan);
}
.page-contact .qitem[open] summary::after {
  content: "−";
  transform: translateY(-50%) scale(1.1);
  color: var(--contact-pink);
}
.page-contact .qitem-body {
  padding: 0 16px 24px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--contact-ink-soft);
  max-width: 68ch;
}

/* —— 联络须知 —— */
.page-contact .contact-notice {
  background: var(--bg-deep);
  border-top: 1px solid var(--contact-soft-line);
  border-bottom: 1px solid var(--contact-soft-line);
}
.page-contact .notice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
.page-contact .notice-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.page-contact .notice-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(177, 75, 255, 0.1);
}
.page-contact .notice-item:last-child {
  border-bottom: none;
}
.page-contact .notice-icon {
  color: var(--contact-cyan);
  font-size: 14px;
  line-height: 1.8;
  flex-shrink: 0;
}
.page-contact .notice-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--contact-ink-soft);
  margin: 0;
}

/* —— 运维节点图文 —— */
.page-contact .map-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  background: var(--bg-card);
  border: 1px solid var(--contact-card-border);
  padding: 28px 24px 24px;
}
.page-contact .map-copy .section-title {
  margin-top: 12px;
}
.page-contact .map-copy > p:not(.kicker) {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--contact-ink-soft);
  max-width: 52ch;
}
.page-contact .node-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 28px;
}
.page-contact .node-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-contact .node-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--contact-ink-dim);
}
.page-contact .node-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--contact-cyan);
  letter-spacing: -0.02em;
}
.page-contact .map-visual {
  position: relative;
}
.page-contact .map-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--contact-soft-line);
  filter: saturate(0.86) contrast(1.04);
  max-height: 340px;
  min-height: 220px;
  object-position: center;
}
.page-contact .map-tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(5, 5, 10, 0.78);
  border: 1px solid rgba(41, 230, 255, 0.4);
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--contact-cyan);
  backdrop-filter: blur(4px);
}

/* —— 地址条 —— */
.page-contact .contact-addr {
  padding-top: 64px;
  padding-bottom: 80px;
}
.page-contact .addr-strip {
  text-align: center;
  border: 1px solid var(--contact-card-border);
  border-left: 3px solid var(--contact-pink);
  background: linear-gradient(90deg, rgba(177, 75, 255, 0.07), transparent 36%, transparent 64%, rgba(41, 230, 255, 0.06));
  padding: 36px 24px;
}
.page-contact .addr-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--contact-ink-dim);
}
.page-contact .addr-line {
  margin: 14px 0 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.page-contact .addr-note {
  font-size: 13px;
  color: var(--contact-ink-dim);
  line-height: 1.7;
}

/* —— 按钮 —— */
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 26px;
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.22s ease;
}
.page-contact .btn-ghost {
  background: transparent;
  border: 1px solid var(--contact-purple);
  color: var(--contact-cyan);
}
.page-contact .btn-ghost:hover {
  background: rgba(177, 75, 255, 0.14);
  border-color: var(--contact-pink);
  box-shadow: 0 0 18px rgba(177, 75, 255, 0.2);
}

/* —— 进入视口动画 —— */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* —— 平板 640px+ —— */
@media (min-width: 640px) {
  .page-contact .container {
    padding-left: 32px;
    padding-right: 32px;
  }
  .page-contact .channel-grid {
    grid-template-columns: 1fr;
  }
  .page-contact .notice-content {
    grid-template-columns: 1fr 1fr;
    gap: 0 36px;
  }
  .page-contact .map-card {
    padding: 36px 32px 32px;
  }
  .page-contact .node-stats {
    gap: 40px;
  }
}

/* —— 桌面 960px+ —— */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 110px 0 130px;
  }
  .page-contact .contact-hero-inner {
    grid-template-columns: 1fr 320px;
    gap: 40px;
  }
  .page-contact .contact-hero-signal {
    justify-self: end;
  }
  .page-contact .section {
    padding: 96px 0;
  }
  .page-contact .channel-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
  .page-contact .route-layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: start;
  }
  .page-contact .route-aside {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 6px;
  }
  .page-contact .route-aside-card {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    text-align: left;
    gap: 2px 20px;
    padding: 20px 24px;
  }
  .page-contact .route-aside-card .aside-mono {
    grid-column: 1 / -1;
  }
  .page-contact .route-aside-card .aside-stat {
    font-size: 30px;
  }
  .page-contact .faq-layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 64px;
  }
  .page-contact .faq-head {
    position: sticky;
    top: 120px;
    align-self: start;
  }
  .page-contact .notice-grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 56px;
  }
  .page-contact .map-card {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 44px;
    padding: 44px 40px 40px;
  }
  .page-contact .map-img {
    max-height: 380px;
  }
}