.page-contact {
  --contact-accent: var(--neon);
  --contact-side-bg: linear-gradient(135deg, #1F1F1F 0%, #2E3B2C 100%);
  --contact-card-pad: clamp(20px, 4vw, 40px);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 10%, rgba(0, 229, 255, 0.12), transparent 320px),
    var(--paper);
}

.page-contact .container,
.page-contact .container-narrow {
  position: relative;
  z-index: 1;
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  padding-top: clamp(40px, 8vw, 80px);
  padding-bottom: clamp(32px, 6vw, 56px);
}

.page-contact .contact-hero__copy {
  max-width: 880px;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.page-contact .breadcrumbs a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-line);
  transition: color 0.2s var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--ink);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--ink);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  max-width: 12em;
}

.page-contact .lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 44em;
}

/* ===== 主内容网格：左表单 / 右联系方式 ===== */
.page-contact .contact-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .contact-feedback,
.page-contact .contact-side {
  border-radius: var(--radius-lg);
  padding: var(--contact-card-pad);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(31, 31, 31, 0.08);
  position: relative;
}

.page-contact .contact-feedback {
  background: var(--paper-light);
}

.page-contact .contact-intro {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 12px 0 0 0;
}

/* ===== 静态表单视觉 ===== */
.page-contact .contact-form {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

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

.page-contact .form-field label {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .select-sim,
.page-contact .input-sim {
  display: block;
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 2px solid var(--gray-line);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink);
  cursor: not-allowed;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact .form-field:focus-within .select-sim,
.page-contact .form-field:focus-within .input-sim {
  border-color: var(--contact-accent);
  background: #FFFFFF;
}

.page-contact .input-sim {
  min-height: 96px;
}

.page-contact .form-submit {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.page-contact .form-tip {
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .progress-sim {
  background: rgba(31, 31, 31, 0.06);
  border-radius: var(--radius-pill);
  height: 8px;
  overflow: hidden;
  position: relative;
  margin-top: 12px;
}

.page-contact .progress-sim__bar {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--neon), var(--cyber));
  transition: width 1.8s var(--ease);
}

.page-contact .progress-sim[data-revealed="true"] .progress-sim__bar {
  width: 100%;
}

.page-contact .progress-sim__label {
  display: block;
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 10px;
  text-align: right;
}

/* ===== 反馈流程 ===== */
.page-contact .feedback-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px dashed rgba(58, 58, 58, 0.3);
}

.page-contact .flow-steps h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .flow-steps ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .flow-steps li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  background: var(--paper);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.page-contact .flow-steps .mono {
  color: var(--contact-accent);
  font-weight: 700;
}

/* ===== 右栏联系方式 ===== */
.page-contact .contact-side {
  background: var(--contact-side-bg);
  color: var(--paper);
  border: none;
  display: grid;
  gap: 24px;
  overflow: hidden;
}

.page-contact .contact-side__media {
  margin: calc(-1 * var(--contact-card-pad)) calc(-1 * var(--contact-card-pad)) 0;
}

.page-contact .contact-side__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-contact .contact-info h2 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  margin: 12px 0 16px;
  color: var(--paper);
}

.page-contact .contact-note {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(244, 233, 216, 0.85);
  margin: 0 0 24px;
}

.page-contact .contact-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-list > div {
  display: grid;
  gap: 4px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(244, 233, 216, 0.18);
}

.page-contact .contact-list > div:last-child {
  border-bottom: none;
}

.page-contact .contact-list dt {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyber);
}

.page-contact .contact-list dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-contact .contact-list dd.mono {
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.page-contact .contact-list a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .copy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ===== 移动端服务范围 ===== */
.page-contact .contact-scope {
  margin-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .scope-head {
  display: grid;
  justify-items: start;
  gap: 8px;
  margin-bottom: 28px;
}

.page-contact .scope-head .lead {
  margin-top: 4px;
}

.page-contact .scope-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--ink);
  margin: 0;
}

.page-contact .scope-item {
  background: var(--paper-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(31, 31, 31, 0.08);
  box-shadow: var(--shadow-card);
}

.page-contact .scope-item h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--neon);
  display: inline-block;
}

.page-contact .scope-item ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .scope-item li {
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.page-contact .scope-item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyber);
}

.page-contact .scope-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(180, 255, 58, 0.08), rgba(0, 229, 255, 0.05));
  border-radius: var(--radius-lg);
  border: 1px dashed var(--gray-line);
}

.page-contact .scope-foot .note {
  flex: 1;
  min-width: 220px;
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ===== 隐私说明 ===== */
.page-contact .contact-privacy {
  margin-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .privacy-card {
  background: var(--ink);
  color: var(--paper);
  border: none;
}

.page-contact .privacy-card h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  margin: 16px 0 16px;
  color: var(--paper);
}

.page-contact .privacy-card p {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(244, 233, 216, 0.85);
}

.page-contact .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.page-contact .privacy-links a {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--neon);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
  box-shadow: 0 4px 12px rgba(180, 255, 58, 0.25);
}

.page-contact .privacy-links a:hover {
  background: var(--cyber);
  transform: translateY(2px);
}

/* ===== 动效显现 ===== */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.page-contact [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ===== 桌面断点 ===== */
@media (min-width: 880px) {
  .page-contact .contact-wrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .page-contact .contact-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-side__media img {
    max-height: 420px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .page-contact .feedback-flow {
    grid-template-columns: 2fr 1.2fr;
    align-items: center;
  }

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

@media (min-width: 1200px) {
  .page-contact .contact-hero {
    padding-top: clamp(64px, 10vw, 120px);
  }

  .page-contact .contact-hero h1 {
    font-size: 4.2rem;
  }
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .page-contact .progress-sim__bar {
    transition: none;
    width: 100%;
  }
}