.page-contact {
  --contact-accent-glow: 0 0 32px rgba(0, 230, 118, 0.08);
  --contact-warn-glow: 0 0 32px rgba(255, 77, 0, 0.06);
  --contact-card-radius: 18px;
  --contact-cut-size: 22px;
  --contact-shell-pad: clamp(20px, 5vw, 48px);
  --contact-content-max: 1240px;
  background: var(--color-bg, #0a1428);
  color: var(--color-text, #f5f7fa);
  font-family: var(--font-body, "Source Han Sans SC", "Microsoft YaHei", sans-serif);
  overflow-x: hidden;
}

.page-contact .content-shell {
  max-width: var(--contact-content-max, 1240px);
  margin-inline: auto;
  padding-inline: var(--contact-shell-pad, 32px);
}

.page-contact .section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-block-end: clamp(28px, 5vw, 48px);
  border-top: 1px solid var(--color-border, #2e3d5c);
  padding-top: clamp(20px, 4vw, 36px);
}

.page-contact .section-index {
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--color-accent, #00e676);
  font-weight: 700;
}

.page-contact .section-title {
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  color: var(--color-text, #f5f7fa);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-contact .section-desc {
  color: var(--color-text-dim, #a0aab8);
  font-size: 15px;
  line-height: 1.8;
  max-width: 56ch;
  margin: 0;
}

.page-contact .panel-cut {
  position: relative;
  background: var(--color-bg-panel, #10213d);
  border: 1px solid var(--color-border, #2e3d5c);
  border-radius: var(--contact-card-radius, 18px);
  overflow: hidden;
}

.page-contact .panel-cut::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--contact-cut-size, 22px);
  height: var(--contact-cut-size, 22px);
  background: linear-gradient(135deg, transparent 46%, var(--color-accent, #00e676) 46%, var(--color-accent, #00e676) 54%, transparent 54%);
  pointer-events: none;
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

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

.page-contact .btn:focus-visible {
  outline: 2px solid var(--color-accent-soft, #69ffb4);
  outline-offset: 2px;
}

.page-contact .btn-primary {
  background: var(--color-accent, #00e676);
  color: var(--color-bg, #0a1428);
  box-shadow: var(--contact-accent-glow, 0 0 32px rgba(0, 230, 118, 0.08));
}

.page-contact .btn-primary:hover {
  background: var(--color-accent-soft, #69ffb4);
  box-shadow: 0 8px 28px rgba(0, 230, 118, 0.14);
}

.page-contact .btn-ghost {
  background: transparent;
  border-color: var(--color-border, #2e3d5c);
  color: var(--color-text, #f5f7fa);
}

.page-contact .btn-ghost:hover {
  border-color: var(--color-accent, #00e676);
  box-shadow: var(--contact-accent-glow, 0 0 32px rgba(0, 230, 118, 0.08));
}

.page-contact .btn-warn {
  background: var(--color-warn, #ff4d00);
  color: var(--color-text, #f5f7fa);
  box-shadow: var(--contact-warn-glow, 0 0 32px rgba(255, 77, 0, 0.06));
}

.page-contact .btn-warn:hover {
  background: var(--color-warn-soft, #ff7a45);
  box-shadow: 0 8px 28px rgba(255, 77, 0, 0.14);
}

.page-contact .tag-label {
  display: inline-block;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent, #00e676);
  border: 1px solid var(--color-border, #2e3d5c);
  border-radius: 4px;
  padding: 4px 10px;
  background: rgba(0, 230, 118, 0.04);
}

.page-contact .chip {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  letter-spacing: 0.04em;
}

.page-contact .chip[data-variant="accent"] {
  background: rgba(0, 230, 118, 0.1);
  border-color: rgba(0, 230, 118, 0.3);
  color: var(--color-accent-soft, #69ffb4);
}

.page-contact .chip[data-variant="warn"] {
  background: rgba(255, 77, 0, 0.1);
  border-color: rgba(255, 77, 0, 0.35);
  color: var(--color-warn-soft, #ff7a45);
}

.page-contact .stat-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 14px;
}

.page-contact .stat-label {
  color: var(--color-text-dim, #a0aab8);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-contact .stat-value {
  color: var(--color-accent, #00e676);
  font-weight: 700;
  font-size: 18px;
}

.page-contact .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  color: var(--color-text-dim, #a0aab8);
  margin-block-end: 24px;
}

.page-contact .breadcrumbs a {
  color: var(--color-text-dim, #a0aab8);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--color-accent, #00e676);
}

.page-contact .breadcrumbs-sep {
  color: var(--color-border, #2e3d5c);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--color-text, #f5f7fa);
  font-weight: 700;
}

/* Hero */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(36px, 7vw, 72px) clamp(40px, 8vw, 88px);
  background:
    linear-gradient(180deg, rgba(10, 20, 40, 0.85) 0%, rgba(16, 33, 61, 0.6) 100%),
    repeating-linear-gradient(94deg, rgba(0, 230, 118, 0.05) 0 1px, transparent 1px 24px);
  border-bottom: 1px solid var(--color-border, #2e3d5c);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .contact-hero-copy {
  max-width: 100%;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  color: var(--color-text, #f5f7fa);
  margin: 18px 0 16px;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 4px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--color-accent, #00e676), var(--color-warn, #ff4d00));
  border-radius: 2px;
}

.page-contact .contact-hero-desc {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text-dim, #a0aab8);
  max-width: 58ch;
  margin: 0;
}

.page-contact .contact-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 18px 22px;
  background: rgba(27, 43, 75, 0.72);
  border: 1px solid var(--color-border, #2e3d5c);
  border-radius: 12px;
  backdrop-filter: blur(6px);
}

.page-contact .contact-hero-meta .stat-line {
  flex: 1 1 120px;
}

.page-contact .contact-hero .deco-diagonal {
  position: absolute;
  width: 240px;
  height: 240px;
  border: 2px solid rgba(0, 230, 118, 0.14);
  transform: rotate(45deg);
  top: -160px;
  right: -40px;
  border-radius: 18px;
  pointer-events: none;
  z-index: 1;
}

.page-contact .contact-hero .deco-diagonal-panel {
  border-color: rgba(255, 77, 0, 0.12);
  width: 110px;
  height: 110px;
  top: auto;
  bottom: -80px;
  right: 12%;
}

.page-contact .speed-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(93deg, transparent 0 32%, rgba(0, 230, 118, 0.09) 32% 32.5%, transparent 32.5% 48%, rgba(0, 230, 118, 0.06) 48% 48.5%, transparent 48.5% 74%, rgba(255, 77, 0, 0.05) 74% 74.5%, transparent 74.5% 100%);
}

/* Channels section */
.page-contact .contact-channels {
  padding-block: clamp(48px, 8vw, 88px);
  background:
    radial-gradient(ellipse at 14% 22%, rgba(255, 77, 0, 0.035) 0%, transparent 50%),
    radial-gradient(ellipse at 88% 76%, rgba(0, 230, 118, 0.035) 0%, transparent 42%);
}

.page-contact .contact-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 28px);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 4vw, 36px);
  gap: 12px;
  position: relative;
  background:
    linear-gradient(160deg, rgba(27, 43, 75, 0.86) 20%, rgba(16, 33, 61, 0.96) 74%);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float, 0 12px 44px rgba(0, 0, 0, 0.5));
}

.page-contact .contact-card:hover::before {
  background: var(--color-warn, #ff4d00);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 60px;
  border-radius: 0 0 4px 4px;
  background: var(--color-accent, #00e676);
  transition: background 0.2s ease;
}

.page-contact .contact-card-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-card-index {
  position: absolute;
  right: 22px;
  top: 26px;
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-weight: 900;
  font-size: 44px;
  line-height: 1;
  color: rgba(245, 247, 250, 0.04);
  letter-spacing: 0.04em;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-card-title {
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 900;
  color: var(--color-text, #f5f7fa);
  margin: 10px 0 4px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-card-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-dim, #a0aab8);
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-contact .contact-card-action {
  margin-top: 8px;
  align-self: flex-start;
  position: relative;
  z-index: 1;
}

.page-contact .contact-card-points {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--color-border, #2e3d5c);
  padding-top: 14px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-card-points li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-dim, #a0aab8);
  padding-left: 18px;
  position: relative;
}

.page-contact .contact-card-points li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent, #00e676);
  font-size: 9px;
}

.page-contact .contact-card-email-text {
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 13px;
  color: var(--color-text-dim, #a0aab8);
  margin: 0 0 6px;
  word-break: break-all;
}

/* Map section */
.page-contact .contact-map-section {
  padding-block: clamp(48px, 8vw, 88px);
  background: var(--color-bg-deep, #071020);
  border-top: 1px solid var(--color-border, #2e3d5c);
  border-bottom: 1px solid var(--color-border, #2e3d5c);
}

.page-contact .contact-map-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--color-bg-panel, #10213d);
}

.page-contact .contact-map-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  border-radius: var(--contact-card-radius, 18px) var(--contact-card-radius, 18px) 0 0;
}

.page-contact .contact-map-info {
  padding: clamp(22px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

.page-contact .contact-address {
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  color: var(--color-text, #f5f7fa);
  margin: 0;
  line-height: 1.5;
}

.page-contact .contact-address-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-dim, #a0aab8);
  margin: 0;
}

.page-contact .contact-map-link {
  color: var(--color-accent, #00e676);
  font-weight: 700;
  text-decoration: none;
  font-size: 14px;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-contact .contact-map-link:hover {
  color: var(--color-accent-soft, #69ffb4);
}

/* Response section */
.page-contact .contact-response {
  padding-block: clamp(48px, 8vw, 88px);
}

.page-contact .contact-response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 32px);
}

.page-contact .contact-response-visual {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-response-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--contact-card-radius, 18px) var(--contact-card-radius, 18px) 0 0;
}

.page-contact .response-visual-caption {
  padding: 18px 22px;
  border-top: 1px solid var(--color-border, #2e3d5c);
}

.page-contact .contact-response-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.page-contact .desc-plate {
  margin: 0;
  display: grid;
}

.page-contact .desc-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-block: 14px;
  border-bottom: 1px solid var(--color-border, #2e3d5c);
}

.page-contact .desc-row:first-child {
  padding-top: 0;
}

.page-contact .desc-row:last-child {
  border-bottom: none;
}

.page-contact .desc-row dt {
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: 15px;
  font-weight: 900;
  color: var(--color-accent, #00e676);
  letter-spacing: 0.02em;
}

.page-contact .desc-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-dim, #a0aab8);
}

.page-contact .contact-response-list .btn {
  align-self: flex-start;
}

/* Notes */
.page-contact .contact-notes {
  padding-block: clamp(48px, 8vw, 88px);
  border-top: 1px solid var(--color-border, #2e3d5c);
  background:
    linear-gradient(180deg, transparent 0%, rgba(0, 230, 118, 0.018) 56%, rgba(255, 77, 0, 0.02) 100%);
}

.page-contact .contact-notes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-note-item {
  padding: clamp(18px, 3vw, 28px);
  background: var(--color-bg-card, #1b2b4b);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 18px;
  align-items: start;
}

.page-contact .contact-note-item .toc-index {
  font-family: var(--font-mono, "Roboto Mono", monospace);
  font-size: 15px;
  font-weight: 900;
  color: var(--color-warn, #ff4d00);
  line-height: 1.5;
  border: 1px solid rgba(255, 77, 0, 0.3);
  border-radius: 6px;
  padding: 4px 8px;
  min-width: 28px;
  text-align: center;
}

.page-contact .contact-note-title {
  font-family: var(--font-head, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-text, #f5f7fa);
  margin: 0;
}

.page-contact .contact-note-desc {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-dim, #a0aab8);
  margin: 0;
}

/* Desktop */
@media (min-width: 720px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    align-items: end;
  }

  .page-contact .contact-hero-meta {
    margin-bottom: 4px;
    flex-direction: column;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-contact .contact-card-phone {
    grid-column: span 3;
  }

  .page-contact .contact-card-email {
    grid-column: span 3;
  }

  .page-contact .contact-card-support {
    grid-column: span 6;
    max-width: none;
  }

  .page-contact .contact-card-support .contact-card-desc,
  .page-contact .contact-card-support .contact-card-points {
    max-width: 66ch;
  }

  .page-contact .contact-map-wrap {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-contact .contact-map-img {
    height: 100%;
    max-height: 480px;
    border-radius: var(--contact-card-radius, 18px) 0 0 var(--contact-card-radius, 18px);
  }

  .page-contact .contact-map-info {
    align-self: center;
  }

  .page-contact .contact-response-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-contact .contact-notes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .desc-row {
    grid-template-columns: 130px 1fr;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
  }

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

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

  .page-contact .contact-card-support {
    grid-column: span 3;
    max-width: none;
  }

  .page-contact .contact-card-support .contact-card-desc {
    font-size: 13px;
  }

  .page-contact .contact-card-support .contact-card-points,
  .page-contact .contact-card-support .contact-card-desc {
    max-width: none;
  }

  .page-contact .contact-card-phone,
  .page-contact .contact-card-email,
  .page-contact .contact-card-support {
    min-height: 460px;
  }

  .page-contact .contact-card-support .contact-card-action {
    margin-top: auto;
  }

  .page-contact .contact-notes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-hero-copy {
    grid-column: 1 / -1;
  }
}