.page-contact {
  --contact-blue: #00BFFF;
  --contact-orange: #FF8C00;
  --contact-gold: #FFD700;
  --contact-bg: #0D1117;
  --contact-card-bg: #161C24;
  --contact-border: #2A3D56;
  --contact-muted: #8FA3B8;
  min-height: 65vh;
  background-color: var(--color-primary-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  position: relative;
  overflow-x: hidden;
}

.page-contact::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 191, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 191, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
}

.page-contact .container {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--content-padding);
  position: relative;
  z-index: 1;
}

.page-contact img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 首屏：左右分屏 ===== */
.page-contact .contact-hero {
  padding: clamp(40px, 6vw, 72px) 0 56px;
  position: relative;
}

.page-contact .contact-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: stretch;
}

.page-contact .contact-lead {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-contact .contact-lead h1 {
  font-family: var(--font-headline);
  font-size: var(--font-size-h1);
  text-transform: uppercase;
  transform: skew(-3deg);
  margin: 6px 0 0;
  line-height: 1.14;
  letter-spacing: 0.01em;
}

.page-contact .contact-lead-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0;
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 6px;
}

.page-contact .contact-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 2px 14px;
  padding: 16px 18px;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  border-left-width: 3px;
  text-decoration: none;
  color: var(--color-text-primary);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .contact-card:hover {
  transform: translateX(4px);
  background: rgba(0, 191, 255, 0.08);
  border-color: var(--contact-blue);
}

.page-contact .contact-card-mail {
  border-left-color: var(--contact-blue);
}

.page-contact .contact-card-phone {
  border-left-color: var(--contact-orange);
}

.page-contact .contact-card-address {
  border-left-color: var(--contact-gold);
}

.page-contact .contact-card-icon {
  grid-row: 1 / 3;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--contact-blue);
  background: rgba(0, 191, 255, 0.1);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-contact .contact-card-phone .contact-card-icon {
  color: var(--contact-orange);
  background: rgba(255, 140, 0, 0.1);
}

.page-contact .contact-card-address .contact-card-icon {
  color: var(--contact-gold);
  background: rgba(255, 215, 0, 0.1);
}

.page-contact .contact-card-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--contact-muted);
}

.page-contact .contact-card-value {
  font-weight: 700;
  font-size: 0.95rem;
  word-break: break-all;
  font-family: var(--font-mono);
}

.page-contact .contact-card-note {
  grid-column: 2;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--contact-muted);
}

.page-contact .contact-hero-image-wrap {
  margin-top: 8px;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  border: 1px solid var(--contact-border);
  background: var(--contact-card-bg);
}

.page-contact .contact-hero-image {
  display: block;
  width: 100%;
}

/* ===== 反馈窗口模拟 ===== */
.page-contact .contact-feedback-panel {
  position: relative;
}

.page-contact .feedback-window {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.page-contact .feedback-window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--contact-border);
  background: rgba(255, 255, 255, 0.02);
}

.page-contact .feedback-win-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.page-contact .dot-blue {
  background: var(--contact-blue);
}

.page-contact .dot-orange {
  background: var(--contact-orange);
}

.page-contact .dot-gold {
  background: var(--contact-gold);
}

.page-contact .feedback-window-title {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--contact-muted);
  letter-spacing: 0.06em;
}

.page-contact .feedback-window-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .feedback-window-screenshot {
  overflow: hidden;
  border: 1px solid var(--contact-border);
  background: var(--contact-bg);
}

.page-contact .feedback-screen-img {
  display: block;
  width: 100%;
}

.page-contact .feedback-menu-sim {
  background: var(--contact-bg);
  border: 1px solid var(--contact-border);
  padding: 16px;
}

.page-contact .feedback-menu-caption {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--contact-muted);
  margin-bottom: 10px;
}

.page-contact .feedback-menu-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.page-contact .feedback-chip {
  position: relative;
}

.page-contact .feedback-chip summary {
  list-style: none;
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 12px 10px;
  text-align: center;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: filter 0.2s ease;
}

.page-contact .feedback-chip summary::-webkit-details-marker {
  display: none;
}

.page-contact .feedback-chip summary:hover {
  filter: brightness(1.2);
}

.page-contact .feedback-chip p {
  margin: 8px 0 0;
  padding: 10px 12px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--contact-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--contact-border);
}

.page-contact .feedback-chip-realtime summary {
  background: rgba(0, 191, 255, 0.15);
  color: var(--contact-blue);
  border: 1px solid rgba(0, 191, 255, 0.3);
}

.page-contact .feedback-chip-match summary {
  background: rgba(255, 140, 0, 0.15);
  color: var(--contact-orange);
  border: 1px solid rgba(255, 140, 0, 0.3);
}

.page-contact .feedback-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: rgba(255, 215, 0, 0.06);
  border-left: 3px solid var(--contact-gold);
  padding: 12px 14px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--contact-muted);
}

.page-contact .feedback-note-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--contact-gold);
  background: rgba(255, 215, 0, 0.12);
  padding: 2px 8px;
  white-space: nowrap;
  clip-path: polygon(0 0, calc(100% - 4px) 0, 100% 4px, 100% 100%, 0 100%);
}

/* ===== 反馈渠道 ===== */
.page-contact .contact-channels {
  padding: 0 0 96px;
}

.page-contact .channel-grid {
  gap: 16px;
  margin-top: 32px;
}

.page-contact .channel-card {
  position: relative;
  padding: 28px 24px;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  overflow: hidden;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-contact .channel-card:hover {
  background: #1a232e;
  border-color: rgba(0, 191, 255, 0.4);
}

.page-contact .channel-code {
  font-family: var(--font-mono);
  display: inline-block;
  font-size: 0.8rem;
  color: var(--contact-blue);
  padding: 2px 8px;
  margin-bottom: 16px;
  background: rgba(0, 191, 255, 0.1);
  clip-path: polygon(0 0, calc(100% - 4px) 0, 100% 4px, 100% 100%, 0 100%);
}

.page-contact .channel-card h3 {
  font-family: var(--font-headline);
  font-size: 1.15rem;
  text-transform: uppercase;
  margin: 0 0 10px;
  letter-spacing: 0.02em;
  transform: skew(-2deg);
}

.page-contact .channel-card p {
  color: var(--contact-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0 0 16px;
}

.page-contact .channel-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-contact .channel-tag-orange {
  color: var(--contact-orange);
  background: rgba(255, 140, 0, 0.12);
  border: 1px solid rgba(255, 140, 0, 0.3);
}

.page-contact .channel-tag-blue {
  color: var(--contact-blue);
  background: rgba(0, 191, 255, 0.12);
  border: 1px solid rgba(0, 191, 255, 0.3);
}

.page-contact .channel-tag-gold {
  color: var(--contact-gold);
  background: rgba(255, 215, 0, 0.12);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

/* ===== 赛事问题反馈流程 ===== */
.page-contact .contact-process {
  padding: 0 0 96px;
}

.page-contact .process-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.page-contact .process-left h2,
.page-contact .contact-direct h2,
.page-contact .contact-cta h2 {
  font-family: var(--font-headline);
  font-size: var(--font-size-h2);
  text-transform: uppercase;
  transform: skew(-3deg);
  margin: 8px 0 12px;
}

.page-contact .process-left > p {
  color: var(--contact-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.page-contact .process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .process-steps li {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-contact .step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--contact-gold);
  background: rgba(255, 215, 0, 0.12);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-contact .tabular-window {
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  overflow: hidden;
}

.page-contact .tabular-header {
  display: flex;
  border-bottom: 1px solid var(--contact-border);
  background: var(--contact-bg);
}

.page-contact .tabular-header .tab-trigger {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--contact-muted);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 14px 20px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-contact .tabular-header .tab-trigger.is-active {
  color: var(--color-text-primary);
  border-bottom-color: var(--contact-blue);
  background: rgba(0, 191, 255, 0.06);
}

.page-contact .tabular-panel {
  padding: 24px;
}

.page-contact .tabular-panel h3 {
  font-family: var(--font-headline);
  font-size: 1.3rem;
  text-transform: uppercase;
  transform: skew(-2deg);
  margin: 0 0 10px;
}

.page-contact .tabular-panel p {
  color: var(--contact-muted);
  line-height: 1.7;
  margin: 0 0 14px;
}

.page-contact .tabular-panel ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .tabular-panel ul li {
  position: relative;
  padding-left: 20px;
  color: var(--contact-muted);
  font-size: 0.9rem;
}

.page-contact .tabular-panel ul li::before {
  content: "▷";
  position: absolute;
  left: 0;
  color: var(--contact-blue);
}

.page-contact .tabular-hint {
  background: rgba(255, 215, 0, 0.06);
  border-left: 3px solid var(--contact-gold);
  padding: 10px 14px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-primary);
}

/* ===== 联系信息卡片 ===== */
.page-contact .contact-direct {
  padding: 0 0 96px;
}

.page-contact .info-grid {
  gap: 16px;
  margin-top: 32px;
}

.page-contact .info-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  padding: 28px 24px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-contact .info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 191, 255, 0.5);
}

.page-contact .info-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-contact .info-card-email .info-card-icon {
  color: var(--contact-blue);
  background: rgba(0, 191, 255, 0.12);
}

.page-contact .info-card-phone .info-card-icon {
  color: var(--contact-orange);
  background: rgba(255, 140, 0, 0.12);
}

.page-contact .info-card-address .info-card-icon {
  color: var(--contact-gold);
  background: rgba(255, 215, 0, 0.12);
}

.page-contact .info-card h3 {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  text-transform: uppercase;
  transform: skew(-2deg);
  margin: 0 0 8px;
}

.page-contact .info-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  word-break: break-all;
}

.page-contact .info-desc {
  color: var(--contact-muted);
  font-size: 0.85rem;
  line-height: 1.75;
  margin: 0 0 20px;
  flex: 1;
}

.page-contact .info-note {
  display: block;
  font-size: 0.78rem;
  color: var(--contact-gold);
  margin-top: auto;
  padding-top: 12px;
}

.page-contact .info-card .btn {
  align-self: flex-start;
}

/* ===== CTA 快捷通道 ===== */
.page-contact .contact-cta {
  padding: 0 0 96px;
}

.page-contact .cta-banner {
  position: relative;
  overflow: hidden;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-border);
  padding: 44px 32px;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-contact .cta-banner::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(0, 191, 255, 0.15), transparent 70%);
}

.page-contact .cta-banner-content {
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.page-contact .cta-banner p {
  color: var(--contact-muted);
  line-height: 1.85;
  margin-bottom: 28px;
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

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

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

  .page-contact .process-inner {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-contact .cta-banner {
    padding: 56px 48px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 60px;
  }

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

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

  .page-contact .feedback-window-body {
    padding: 24px;
  }

  .page-contact .channel-card,
  .page-contact .info-card {
    padding: 32px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .info-card,
  .page-contact .channel-card,
  .page-contact .feedback-chip summary {
    transition: none;
  }
}