.page-contact {
  --contact-primary-glow: rgba(57, 255, 20, 0.35);
  --contact-blue-glow: rgba(0, 229, 255, 0.35);
  --contact-orange-glow: rgba(255, 107, 0, 0.35);
  position: relative;
  background:
    radial-gradient(circle at 88% 18%, rgba(0, 229, 255, 0.06), transparent 32%),
    radial-gradient(circle at 10% 62%, rgba(57, 255, 20, 0.04), transparent 30%),
    var(--bg-deep);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 20% 8%, rgba(0, 0, 0, 0.9), transparent 72%);
  mask-image: radial-gradient(ellipse at 20% 8%, rgba(0, 0, 0, 0.9), transparent 72%);
  pointer-events: none;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  z-index: 1;
  padding: 88px 0 44px;
  overflow: hidden;
  border-bottom: 1px solid rgba(42, 53, 80, 0.65);
  background:
    radial-gradient(circle at 82% 12%, rgba(0, 229, 255, 0.14), transparent 40%),
    radial-gradient(circle at 8% 90%, rgba(57, 255, 20, 0.09), transparent 44%),
    linear-gradient(120deg, rgba(10, 14, 20, 0.96), rgba(20, 26, 38, 0.7));
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -14%;
  width: 42%;
  height: 100%;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.15), rgba(0, 229, 255, 0.06));
  transform: skewX(-8deg);
  border-left: 1px solid rgba(57, 255, 20, 0.2);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.page-contact .breadcrumb a {
  color: var(--secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: border-color 0.25s, color 0.25s;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  border-color: var(--secondary);
  color: var(--text);
}

.page-contact .breadcrumb-sep {
  color: rgba(166, 179, 204, 0.55);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.page-contact .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
}

.page-contact .eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 10px var(--contact-primary-glow);
}

.page-contact .contact-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.4vw, 3.7rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 12em;
  color: var(--text);
}

.page-contact .title-bar {
  color: var(--accent);
  margin: 0 0.18em;
  font-weight: 400;
}

.page-contact .title-sub {
  display: block;
  margin-top: 10px;
  font-size: 0.66em;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.02em;
}

.page-contact .contact-lead {
  max-width: 46em;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ---------- 章节体系 ---------- */
.page-contact .section {
  position: relative;
  z-index: 1;
  padding: 52px 0;
}

.page-contact .contact-split {
  padding-top: 64px;
}

.page-contact .section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.page-contact .section-index {
  font-family: var(--font-mono);
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.06em;
  color: var(--primary);
  text-shadow: 0 0 26px var(--contact-primary-glow);
}

.page-contact .section-index--blue {
  color: var(--secondary);
  text-shadow: 0 0 26px var(--contact-blue-glow);
}

.page-contact .section-index--orange {
  color: var(--accent);
  text-shadow: 0 0 26px var(--contact-orange-glow);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .section-note {
  max-width: 46em;
  margin: 0 0 26px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 左右分屏 ---------- */
.page-contact .split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-contact .split-side,
.page-contact .split-main {
  min-width: 0;
}

/* ---------- 联系通道面板 ---------- */
.page-contact .channel-panel {
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(20, 26, 38, 0.9), rgba(10, 14, 20, 0.95));
  box-shadow:
    0 0 30px rgba(0, 229, 255, 0.08),
    inset 0 0 40px rgba(0, 229, 255, 0.025);
}

.page-contact .channel-panel__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  background: rgba(0, 229, 255, 0.055);
  border-bottom: 1px solid rgba(0, 229, 255, 0.16);
}

.page-contact .channel-panel__led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--contact-primary-glow);
}

.page-contact .channel-panel__led--blue {
  background: var(--secondary);
  box-shadow: 0 0 8px var(--contact-blue-glow);
}

.page-contact .channel-panel__led--orange {
  background: var(--accent);
  box-shadow: 0 0 8px var(--contact-orange-glow);
}

.page-contact .channel-panel__name {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
}

.page-contact .channel-panel__status {
  margin-left: auto;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--primary);
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: var(--radius-pill);
}

.page-contact .channel-list {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.page-contact .channel-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(42, 53, 80, 0.7);
  border-radius: var(--radius-sm);
  background: rgba(10, 14, 20, 0.55);
  color: var(--text);
  text-decoration: none;
  transition:
    transform 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.page-contact .channel-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--secondary);
  box-shadow: 0 0 12px var(--contact-blue-glow);
}

.page-contact .channel-item--phone {
  border-color: rgba(57, 255, 20, 0.22);
}

.page-contact .channel-item--phone::before {
  background: var(--primary);
  box-shadow: 0 0 12px var(--contact-primary-glow);
}

.page-contact .channel-item--address {
  border-color: rgba(255, 107, 0, 0.2);
}

.page-contact .channel-item--address::before {
  background: var(--accent);
  box-shadow: 0 0 12px var(--contact-orange-glow);
}

.page-contact .channel-item:hover,
.page-contact .channel-item:focus-visible {
  transform: translateX(5px);
  border-color: var(--secondary);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.14);
}

.page-contact .channel-item--phone:hover,
.page-contact .channel-item--phone:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.14);
}

.page-contact .channel-item--address:hover,
.page-contact .channel-item--address:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(255, 107, 0, 0.14);
}

.page-contact .channel-icon {
  flex: 0 0 auto;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.08);
  color: var(--secondary);
}

.page-contact .channel-item--phone .channel-icon {
  border-color: rgba(57, 255, 20, 0.3);
  background: rgba(57, 255, 20, 0.08);
  color: var(--primary);
}

.page-contact .channel-item--address .channel-icon {
  border-color: rgba(255, 107, 0, 0.3);
  background: rgba(255, 107, 0, 0.08);
  color: var(--accent);
}

.page-contact .channel-icon svg {
  width: 21px;
  height: 21px;
}

.page-contact .channel-body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-contact .channel-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.page-contact .channel-value--email {
  font-size: 0.88rem;
  line-height: 1.4;
}

.page-contact .channel-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.page-contact .contact-visual {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  border: 1px solid rgba(0, 229, 255, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ---------- 在线反馈表单 ---------- */
.page-contact .contact-form {
  position: relative;
  display: grid;
  gap: 18px;
  padding: clamp(20px, 4vw, 34px);
  overflow: hidden;
  border: 1px solid rgba(57, 255, 20, 0.3);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(20, 26, 38, 0.95), rgba(10, 14, 20, 0.9));
  box-shadow:
    0 0 40px rgba(57, 255, 20, 0.07),
    inset 0 0 60px rgba(0, 229, 255, 0.025);
}

.page-contact .contact-form::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 38%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  animation: contact-scan 3.6s ease-in-out infinite;
}

@keyframes contact-scan {
  0%, 100% { transform: translateX(-110%); }
  50% { transform: translateX(280%); }
}

.page-contact .form-field {
  display: grid;
  gap: 8px;
}

.page-contact .form-field label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
}

.page-contact .form-field input,
.page-contact .form-field select,
.page-contact .form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(10, 14, 20, 0.9);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .form-field input::placeholder,
.page-contact .form-field textarea::placeholder {
  color: rgba(166, 179, 204, 0.55);
}

.page-contact .form-field select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--primary) 50%),
    linear-gradient(135deg, var(--primary) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) calc(50% - 2px),
    calc(100% - 15px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.page-contact .form-field input:focus,
.page-contact .form-field select:focus,
.page-contact .form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow:
    0 0 0 3px rgba(57, 255, 20, 0.13),
    0 0 20px rgba(57, 255, 20, 0.07);
}

.page-contact .form-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 24px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(120deg, var(--primary), #2BDB0A);
  color: #07120A;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0 28px rgba(57, 255, 20, 0.32);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-contact .form-submit::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid var(--primary);
  border-radius: inherit;
  opacity: 0;
  animation: contact-pulse 2.2s var(--ease) infinite;
  pointer-events: none;
}

@keyframes contact-pulse {
  0% { opacity: 0.55; transform: scale(1); }
  80%, 100% { opacity: 0; transform: scale(1.07); }
}

.page-contact .form-submit:hover,
.page-contact .form-submit:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(57, 255, 20, 0.4);
}

.page-contact .form-submit__arrow {
  transition: transform 0.25s ease;
}

.page-contact .form-submit:hover .form-submit__arrow {
  transform: translateX(4px);
}

.page-contact .form-visual {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  margin-top: 26px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

/* ---------- 响应时间 ---------- */
.page-contact .response-section {
  border-top: 1px solid rgba(42, 53, 80, 0.5);
  border-bottom: 1px solid rgba(42, 53, 80, 0.5);
  background:
    linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.035) 50%, transparent),
    linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.035) 50%, transparent);
}

.page-contact .response-section::after {
  content: "";
  position: absolute;
  top: -2px;
  right: 0;
  width: 22%;
  height: 4px;
  background: var(--accent);
  opacity: 0.75;
  transform: skewX(-18deg);
}

.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .response-card {
  position: relative;
  overflow: hidden;
  padding: 26px 24px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(20, 26, 38, 0.9), rgba(10, 14, 20, 0.85));
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-contact .response-card:hover {
  border-color: rgba(57, 255, 20, 0.4);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.07);
}

.page-contact .response-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent 72%);
}

.page-contact .response-card::after {
  content: "01";
  position: absolute;
  top: -16px;
  right: 6px;
  font-family: var(--font-mono);
  font-size: 5.2rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(57, 255, 20, 0.06);
  pointer-events: none;
}

.page-contact .response-card--blue::before {
  background: linear-gradient(90deg, var(--secondary), transparent 72%);
}

.page-contact .response-card--blue::after {
  content: "02";
  color: rgba(0, 229, 255, 0.06);
}

.page-contact .response-card--blue:hover {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.07);
}

.page-contact .response-card--orange::before {
  background: linear-gradient(90deg, var(--accent), transparent 72%);
}

.page-contact .response-card--orange::after {
  content: "03";
  color: rgba(255, 107, 0, 0.06);
}

.page-contact .response-card--orange:hover {
  border-color: rgba(255, 107, 0, 0.4);
  box-shadow: 0 0 30px rgba(255, 107, 0, 0.07);
}

.page-contact .response-tag {
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary);
  border: 1px solid rgba(57, 255, 20, 0.32);
  border-radius: var(--radius-pill);
}

.page-contact .response-card--blue .response-tag {
  color: var(--secondary);
  border-color: rgba(0, 229, 255, 0.32);
}

.page-contact .response-card--orange .response-tag {
  color: var(--accent);
  border-color: rgba(255, 107, 0, 0.32);
}

.page-contact .response-value {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .response-desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .response-footnote {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 14px 18px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.page-contact .text-link {
  color: var(--secondary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: color 0.25s, border-color 0.25s;
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--text);
  border-color: var(--secondary);
}

/* ---------- 地图位置 ---------- */
.page-contact .map-section {
  padding-bottom: 80px;
}

.page-contact .map-frame {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #0B111E;
  box-shadow: 0 18px 56px rgba(0, 0, 0, 0.42);
}

.page-contact .map-svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 340px;
}

.page-contact .map-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  fill: var(--text);
}

.page-contact .map-label--sub {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  fill: var(--text-muted);
}

.page-contact .map-coord {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  fill: rgba(0, 229, 255, 0.55);
}

.page-contact .map-marker-pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: map-ping 2.2s ease-out infinite;
}

@keyframes map-ping {
  0% { transform: scale(0.55); opacity: 0.9; }
  75%, 100% { transform: scale(2.4); opacity: 0; }
}

.page-contact .map-address {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 13px 20px;
  border: 1px solid rgba(0, 229, 255, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(20, 26, 38, 0.7);
}

.page-contact .map-pin {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary);
  box-shadow: 0 0 14px var(--contact-blue-glow);
}

.page-contact .map-address-text {
  font-weight: 600;
}

.page-contact .map-note {
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 116px 0 64px;
  }

  .page-contact .section {
    padding: 68px 0;
  }

  .page-contact .contact-split {
    padding-top: 84px;
  }

  .page-contact .response-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 128px 0 72px;
  }

  .page-contact .section {
    padding: 76px 0;
  }

  .page-contact .contact-lead {
    font-size: 1.06rem;
  }

  .page-contact .split-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(48px, 6vw, 80px);
    align-items: start;
  }

  .page-contact .split-side {
    position: sticky;
    top: 96px;
  }

  .page-contact .channel-list {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-form::before,
  .page-contact .form-submit::after,
  .page-contact .map-marker-pulse {
    animation: none;
  }

  .page-contact .channel-item:hover,
  .page-contact .channel-item:focus-visible,
  .page-contact .form-submit:hover,
  .page-contact .form-submit:focus-visible {
    transform: none;
  }
}