.page-contact {
  --contact-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-top: calc(var(--header-h) + 28px);
  overflow-x: hidden;
}

.page-contact .section {
  margin-bottom: var(--space);
}

.page-contact .breadcrumbs {
  max-width: var(--container);
  margin: 0 auto 30px;
  padding-inline: 24px;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .section-eyebrow {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--lime);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-contact .section-subtitle {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .lead {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.8;
  color: var(--muted);
  max-width: 56em;
  margin: 0 0 24px;
}

/* ===== 英雄区 ===== */
.page-contact .contact-hero {
  position: relative;
}

.page-contact .contact-hero::before {
  content: "06";
  position: absolute;
  right: 4vw;
  top: -10px;
  font-family: var(--font-data);
  font-size: 120px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(230, 57, 70, 0.28);
  pointer-events: none;
  z-index: 0;
}

@media (min-width: 700px) {
  .page-contact .contact-hero::before {
    font-size: 220px;
  }
}

.page-contact .contact-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 24px;
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
    gap: 60px;
  }
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}

.page-contact h1::after {
  content: "";
  display: block;
  width: 96px;
  height: 8px;
  margin-top: 26px;
  background: linear-gradient(90deg, var(--red) 0 60%, var(--lime) 60% 100%);
}

.page-contact .contact-hero-note-card {
  position: relative;
  border: 2px solid rgba(241, 245, 249, 0.2);
  background: rgba(11, 20, 32, 0.8);
  box-shadow: var(--contact-shadow);
  padding: 26px 24px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 400px;
}

@media (min-width: 900px) {
  .page-contact .contact-hero-note-card {
    transform: rotate(0.8deg);
  }
}

.page-contact .contact-hero-note-card::before {
  content: "";
  position: absolute;
  inset: 10px auto auto 10px;
  width: 36px;
  height: 36px;
  border-top: 4px solid var(--red);
  border-left: 4px solid var(--red);
}

.page-contact .contact-channel-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-contact .contact-channel-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(196, 255, 0, 0.16);
}

.page-contact .contact-hero-wave {
  display: block;
  width: 100%;
  height: 40px;
  margin: 10px 0 6px;
}

/* ===== 直接联系区 ===== */
.page-contact .contact-direct-grid {
  display: grid;
  gap: 26px;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 24px;
}

@media (min-width: 900px) {
  .page-contact .contact-direct-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: stretch;
  }
}

.page-contact .contact-info-panel {
  position: relative;
  padding: clamp(26px, 4vw, 46px);
  background:
    radial-gradient(circle at 88% 12%, rgba(196, 255, 0, 0.14), transparent 26%),
    linear-gradient(140deg, rgba(230, 57, 70, 0.14), transparent 42%),
    var(--ink-deep);
  border: 2px solid rgba(241, 245, 249, 0.18);
  box-shadow: var(--contact-shadow);
}

.page-contact .contact-info-panel::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--red), var(--lime));
}

.page-contact .contact-info-panel .section-subtitle {
  margin: 8px 0 28px;
}

.page-contact .contact-info-main {
  display: grid;
  gap: 22px;
}

@media (min-width: 700px) {
  .page-contact .contact-info-main {
    grid-template-columns: 1fr 180px;
    align-items: start;
  }
}

.page-contact .contact-entries {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-entry {
  padding: 20px 0;
  border-bottom: 1px solid rgba(241, 245, 249, 0.16);
}

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

.page-contact .contact-entry-label {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 6px;
}

.page-contact .contact-entry-value {
  display: block;
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .contact-entry-value:hover,
.page-contact .contact-entry-value:focus-visible {
  color: var(--red);
}

.page-contact .contact-entry-email {
  font-size: clamp(20px, 3.2vw, 42px);
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--red);
  letter-spacing: -0.02em;
}

.page-contact .contact-entry-email:hover {
  color: var(--lime);
}

.page-contact .contact-entry-desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .contact-symbol-figure {
  margin: 0;
  border: 2px solid rgba(241, 245, 249, 0.14);
  overflow: hidden;
  background: rgba(196, 255, 0, 0.06);
  max-width: 180px;
}

@media (min-width: 700px) {
  .page-contact .contact-symbol-figure {
    max-width: 180px;
  }
}

.page-contact .contact-symbol-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-contact .contact-notice {
  margin-top: 26px;
  padding: 14px 16px;
  border-left: 4px solid var(--red);
  background: rgba(230, 57, 70, 0.1);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ===== 抽象地图面板 ===== */
.page-contact .contact-map-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .contact-map-frame {
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(241, 245, 249, 0.2);
  background: var(--ink-deep);
  box-shadow: var(--contact-shadow);
}

@media (min-width: 900px) {
  .page-contact .contact-map-frame {
    transform: rotate(-0.8deg);
  }
}

.page-contact .contact-map-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  background: var(--ink-deep);
}

.page-contact .contact-map-tip {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(11, 20, 32, 0.85);
  border: 1px solid rgba(196, 255, 0, 0.3);
  color: var(--paper);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
}

.page-contact .contact-map-pin {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(230, 57, 70, 0.25);
}

.page-contact .contact-map-caption {
  margin: 0;
  padding-inline: 4px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ===== 合作与咨询 ===== */
.page-contact .contact-cooperation-head {
  max-width: var(--container);
  margin: 0 auto 30px;
  padding-inline: 24px;
}

.page-contact .contact-cooperation-head h2,
.page-contact .contact-feedback-narrative h2,
.page-contact .contact-quick-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-contact .contact-cooperation-grid {
  display: grid;
  gap: 18px;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 24px;
}

@media (min-width: 700px) {
  .page-contact .contact-cooperation-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 28px;
  border: 2px solid rgba(241, 245, 249, 0.16);
  background: rgba(11, 20, 32, 0.6);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 18px 18px;
  border-color: transparent transparent rgba(230, 57, 70, 0.5) transparent;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-5px);
  border-color: rgba(230, 57, 70, 0.7);
  box-shadow: var(--contact-shadow);
}

.page-contact .channel-card-index {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 4px;
}

.page-contact .channel-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.45;
  margin: 0;
  color: var(--paper);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .channel-card a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .channel-card a:hover {
  color: var(--lime);
}

.page-contact .contact-cooperation-note {
  max-width: var(--container);
  margin: 24px auto 0;
  padding: 16px 18px 16px 22px;
  padding-inline: 24px;
  border-left: 4px solid var(--lime);
  background: rgba(196, 255, 0, 0.06);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ===== 反馈通道 ===== */
.page-contact .contact-feedback {
  background: linear-gradient(90deg, transparent, rgba(230, 57, 70, 0.06), transparent);
}

.page-contact .contact-feedback-grid {
  display: grid;
  gap: 30px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 28px 24px 44px;
}

@media (min-width: 900px) {
  .page-contact .contact-feedback-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 54px;
    align-items: start;
  }
}

.page-contact .contact-response-list {
  list-style: none;
  margin: 26px 0;
  padding: 0;
}

.page-contact .contact-response-list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(241, 245, 249, 0.2);
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .contact-response-list li:first-child {
  border-top: 1px dashed rgba(241, 245, 249, 0.2);
}

.page-contact .contact-response-list strong {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lime);
  flex: 0 0 92px;
}

.page-contact .contact-feedback-help {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.page-contact .contact-feedback-help a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-feedback-help a:hover {
  color: var(--lime);
}

/* ===== 示意表单 ===== */
.page-contact .contact-form-demo {
  position: relative;
  padding: 34px 24px 24px;
  border: 2px solid rgba(230, 57, 70, 0.6);
  background: rgba(230, 57, 70, 0.08);
}

.page-contact .contact-form-demo-tag {
  position: absolute;
  top: -13px;
  left: 16px;
  padding: 5px 12px;
  background: var(--red);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.06em;
  font-weight: 500;
  font-family: var(--font-data);
  text-transform: uppercase;
}

.page-contact .form-demo-field {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}

.page-contact .form-demo-field label {
  font-size: 13px;
  color: var(--muted);
}

.page-contact .form-demo-field input,
.page-contact .form-demo-field textarea {
  width: 100%;
  box-sizing: border-box;
  background: rgba(11, 20, 32, 0.7);
  border: 1px solid rgba(241, 245, 249, 0.2);
  border-radius: 0;
  color: var(--paper);
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  transition: border-color 0.2s ease;
}

.page-contact .form-demo-field input:focus,
.page-contact .form-demo-field textarea:focus {
  outline: none;
  border-color: var(--lime);
}

.page-contact .form-demo-field input::placeholder,
.page-contact .form-demo-field textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.page-contact .form-demo-field input:disabled,
.page-contact .form-demo-field textarea:disabled {
  cursor: not-allowed;
  opacity: 0.75;
}

.page-contact .form-demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ===== 常见联系入口 ===== */
.page-contact .contact-quick-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 24px;
}

.page-contact .contact-quick-head {
  margin-bottom: 28px;
}

.page-contact .contact-quick-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 700px) {
  .page-contact .contact-quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-contact .contact-quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  padding: 24px 22px 22px;
  background: var(--ink-deep);
  border: 2px solid rgba(241, 245, 249, 0.16);
  border-bottom: 7px solid var(--red);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-contact .contact-quick-card:hover,
.page-contact .contact-quick-card:focus-visible {
  transform: translateY(-5px);
  border-color: rgba(196, 255, 0, 0.6);
  background: rgba(196, 255, 0, 0.05);
}

.page-contact .contact-quick-code {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .contact-quick-name {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .contact-quick-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}