.page-contact {
  --contact-step-a: #F5A623;
  --contact-step-b: #E94E77;
  --contact-step-c: #4A90E2;
  --contact-step-d: #39FF14;
  --contact-ink: #171A21;
  padding: 0 0 56px;
}

.page-contact .container {
  max-width: 1280px;
  margin-inline: auto;
  padding: 28px 20px 48px;
}

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

.page-contact .section {
  margin-bottom: 26px;
}

/* 面包屑 */
.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.page-contact .breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumbs li + li::before {
  content: "→";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumb-link {
  color: var(--electric-blue);
  text-decoration: none;
}

.page-contact .breadcrumb-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .breadcrumb-current {
  color: var(--text-muted);
}

/* 页头 */
.page-contact .page-head {
  margin: 28px 0 34px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line);
  position: relative;
}

.page-contact .page-head::after {
  content: "";
  display: block;
  width: 220px;
  height: 6px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--brand-orange), var(--c-magenta) 50%, var(--electric-blue));
}

.page-contact .page-head .section-label {
  color: var(--neon-green);
}

.page-contact .page-head h1 {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--text-main);
  transform: skewX(-3deg);
}

.page-contact .page-lead {
  max-width: 720px;
  margin: 0;
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

/* 通用面板标题 */
.page-contact .panel-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.page-contact .panel-head .seq {
  flex: 0 0 auto;
}

.page-contact .panel-head h2 {
  margin: 4px 0 0;
  font-size: 1.65rem;
  font-weight: 900;
  font-style: italic;
  color: var(--text-main);
}

.page-contact .section-label {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* 双栏布局 */
.page-contact .contact-layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

/* 反馈面板 */
.page-contact .feedback-panel {
  background: linear-gradient(160deg, #1E1F26 0%, #161920 100%);
  border: 1px solid var(--line);
  padding: 22px 18px 28px;
  position: relative;
}

.page-contact .feedback-panel::before {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 0;
  height: 0;
  border-top: 28px solid var(--electric-blue);
  border-left: 28px solid transparent;
}

/* 表单卡片 */
.page-contact .form-card {
  background: var(--bg-card);
  border: 1px solid #3A3F45;
  padding: 20px 18px 24px;
  position: relative;
}

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

.page-contact .form-fields {
  display: grid;
  gap: 18px;
}

/* 标签组 */
.page-contact .issue-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .issue-tags .tag {
  cursor: default;
  font-size: 0.78rem;
  padding: 6px 10px;
}

/* 字段 */
.page-contact .field-block {
  display: grid;
  gap: 8px;
}

.page-contact .field-label {
  display: flex;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--neon-green);
  letter-spacing: 0.08em;
}

.page-contact .required {
  margin-left: 4px;
  color: var(--c-upcoming);
  font-size: 0.72rem;
}

.page-contact .field-select,
.page-contact .field-textarea,
.page-contact .field-input {
  width: 100%;
  background: var(--contact-ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text-main);
  padding: 12px 14px;
  font: 500 1rem var(--font-body);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.page-contact .field-textarea {
  min-height: 132px;
  resize: vertical;
  line-height: 1.6;
}

.page-contact .field-select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}

.page-contact .field-select:focus,
.page-contact .field-textarea:focus,
.page-contact .field-input:focus {
  outline: none;
  border-color: var(--electric-blue);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.18);
  background-color: #1A1E25;
}

.page-contact .field-select::placeholder,
.page-contact .field-textarea::placeholder,
.page-contact .field-input::placeholder {
  color: var(--text-muted);
  opacity: 0.65;
}

/* 提交区 */
.page-contact .form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 6px;
}

.page-contact .btn-primary {
  text-decoration: none;
  transform: skewX(-3deg);
  font-weight: 700;
}

.page-contact .form-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.page-contact .form-mail {
  color: var(--electric-blue);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-blue);
}

/* 表单插图 */
.page-contact .form-illustration {
  margin: 0;
  padding: 10px;
  background: #161B24;
  border: 1px solid #2A2F37;
  align-self: center;
}

.page-contact .form-illustration img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(1.2) contrast(1.05);
}

.page-contact .form-illustration figcaption {
  padding: 10px 2px 2px;
  font: 500 0.72rem/1.5 var(--font-mono);
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.04em;
}

/* 直达联系侧栏 */
.page-contact .contact-aside {
  position: relative;
}

.page-contact .contact-cards-panel {
  background: linear-gradient(180deg, #1A2520 0%, #121C17 100%);
  border: 1px solid #2C362F;
  padding: 24px 20px 26px;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-cards-panel .section-label {
  color: var(--neon-green);
}

.page-contact .contact-cards-panel h2 {
  margin: 6px 0 20px;
  font-size: 1.55rem;
  font-weight: 900;
  font-style: italic;
  color: var(--text-main);
}

.page-contact .contact-bg-pattern {
  position: absolute;
  top: 10px;
  right: -30px;
  width: 200px;
  height: auto;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* 联系卡片 */
.page-contact .contact-card-group {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .contact-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-areas:
    "icon label"
    "icon value";
  column-gap: 14px;
  align-items: center;
  background: #1D2A23;
  border: 1px solid #36473C;
  padding: 14px 16px;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 166, 35, 0.55);
}

.page-contact .contact-icon {
  grid-area: icon;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid;
  align-self: center;
}

.page-contact .contact-card--email .contact-icon {
  border-color: rgba(245, 166, 35, 0.5);
  color: var(--brand-orange);
}

.page-contact .contact-card--phone .contact-icon {
  border-color: rgba(0, 229, 255, 0.5);
  color: var(--electric-blue);
}

.page-contact .contact-card--address .contact-icon {
  border-color: rgba(233, 78, 119, 0.5);
  color: var(--c-magenta);
}

.page-contact .contact-card-label {
  grid-area: label;
  align-self: end;
  font: 700 0.68rem var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .contact-card .contact-value,
.page-contact .contact-card .contact-mail {
  grid-area: value;
  align-self: start;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--text-main);
  word-break: break-all;
}

.page-contact .contact-card .contact-mail {
  color: var(--electric-blue);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-blue);
  padding-bottom: 2px;
}

.page-contact .contact-card .contact-mail:hover {
  color: var(--neon-green);
  border-bottom-color: var(--neon-green);
}

.page-contact .contact-note-row {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  text-align: right;
}

/* 处理时效面板 */
.page-contact .timeline-panel {
  background: linear-gradient(160deg, #1E1F26 0%, #14151B 100%);
  border: 1px solid var(--line);
  padding: 26px 18px 30px;
  position: relative;
}

.page-contact .timeline-panel::before {
  content: "";
  display: block;
  width: 100%;
  height: 6px;
  margin-bottom: 22px;
  background: linear-gradient(90deg, var(--contact-step-a), var(--contact-step-b) 35%, var(--contact-step-c) 70%, var(--contact-step-d));
}

.page-contact .timeline-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .timeline-step {
  --step-color: var(--brand-orange);
  background: #0C1013;
  border: 1px solid var(--line);
  padding: 16px 16px 18px;
  position: relative;
}

.page-contact .timeline-step::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: var(--step-color);
}

.page-contact .timeline-step--1 {
  --step-color: var(--c-ongoing);
}

.page-contact .timeline-step--2 {
  --step-color: var(--c-magenta);
}

.page-contact .timeline-step--3 {
  --step-color: var(--c-blue);
}

.page-contact .timeline-step--4 {
  --step-color: var(--neon-green);
}

.page-contact .timeline-step .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--step-color);
  color: #0F1115;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 14px;
}

.page-contact .timeline-step .step-title {
  margin: 0 0 8px;
  font-weight: 800;
  font-style: italic;
  color: var(--text-main);
}

.page-contact .timeline-step .step-desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-contact .timeline-step .step-meta {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--step-color);
}

.page-contact .timeline-notes {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.page-contact .timeline-notes li {
  font-size: 0.84rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}

.page-contact .timeline-notes li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--electric-blue);
  font-family: var(--font-mono);
}

/* 关于本站链接 */
.page-contact .about-link-panel {
  margin-top: 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border-left: 5px solid var(--electric-blue);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-contact .about-link-panel p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-contact .about-link-panel a {
  color: var(--electric-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px dashed;
  padding-bottom: 2px;
}

.page-contact .about-link-panel a:hover {
  color: var(--neon-green);
}

.page-contact .nav-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 4px 8px;
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-contact .container {
    padding: 32px 32px 56px;
  }

  .page-contact .feedback-panel {
    padding: 32px 30px 38px;
  }

  .page-contact .form-card {
    padding: 28px 26px 32px;
  }

  .page-contact .form-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 26px;
  }

  .page-contact .timeline-panel {
    padding: 30px 28px 32px;
  }

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

/* 桌面 */
@media (min-width: 1024px) {
  .page-contact .container {
    max-width: 1280px;
    padding-inline: 40px;
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 28px;
  }

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

  .page-contact .timeline-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-contact .timeline-step + .timeline-step::before {
    content: "→";
    position: absolute;
    left: -14px;
    top: 44px;
    z-index: 2;
    color: var(--line);
    font-family: var(--font-mono);
    font-size: 1.2rem;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card {
    transition: none;
    transform: none;
  }

  .page-contact .btn-primary,
  .page-contact .page-head h1 {
    transform: none;
  }
}