.page-contact {
  --contact-gap: clamp(24px, 4vw, 56px);
  --contact-pad: clamp(20px, 4vw, 40px);
  --contact-accent: var(--cyan);
  background: var(--space);
  color: var(--cream);
  padding-bottom: clamp(64px, 10vw, 140px);
  overflow-x: hidden;
}

/* —— 面包屑 —— */
.page-contact .breadcrumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(16px, 3vw, 32px) var(--pad) 0;
}
.page-contact .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}
.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  text-decoration: underline;
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

/* —— 首屏 —— */
.page-contact .console-hero {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 88px) var(--pad) 0;
  display: grid;
  gap: var(--contact-gap);
  position: relative;
}
.page-contact .console-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 92% 6%, rgba(34, 224, 214, 0.10), transparent 42%),
    radial-gradient(circle at 4% 96%, rgba(122, 92, 255, 0.12), transparent 46%);
}
.page-contact .console-hero > * {
  position: relative;
}
.page-contact .console-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 18px;
}
.page-contact .console-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0;
  max-width: 15ch;
}
.page-contact .console-hero .lead {
  max-width: 60ch;
  margin: 22px 0 0;
  color: var(--ink-dim);
  font-size: var(--step-0);
  line-height: 1.78;
}
.page-contact .console-hero-side {
  display: grid;
  gap: 4px;
  padding: 22px;
  background: var(--navy);
  border: 1px solid var(--line);
  border-radius: 2px 24px 2px 24px;
  box-shadow: 0 18px 40px -28px rgba(34, 224, 214, 0.45);
}
.page-contact .hero-side-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rock);
}
.page-contact .quick-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: 15px;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}
.page-contact .quick-link:last-child {
  border-bottom: none;
}
.page-contact .quick-link span[aria-hidden="true"] {
  font-family: var(--font-mono);
  color: var(--cyan);
}
.page-contact .quick-link:hover,
.page-contact .quick-link:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
  outline: none;
}

/* —— 服务台分屏 —— */
.page-contact .console-body {
  max-width: var(--shell);
  margin: clamp(40px, 6vw, 80px) auto 0;
  padding: 0 var(--pad);
  display: grid;
  gap: var(--contact-gap);
}
.page-contact .console-left {
  display: grid;
  gap: var(--contact-gap);
  min-width: 0;
}
.page-contact .console-right {
  min-width: 0;
}

/* —— 章节头 —— */
.page-contact .section-head {
  margin-bottom: 22px;
}
.page-contact .section-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 12px;
}
.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}
.page-contact .section-head .lead {
  margin: 0;
  max-width: 56ch;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.72;
}

/* —— 通道卡片 —— */
.page-contact .channel-cards {
  display: grid;
  gap: 14px;
}
.page-contact .channel-card {
  position: relative;
  padding: 20px 22px;
  background: var(--navy);
  border: 1px solid var(--line);
  border-left: 3px solid var(--contact-accent);
  border-radius: 2px 20px 2px 20px;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-contact .channel-card:hover {
  transform: translateY(-2px);
}
.page-contact .channel-card--usage { --contact-accent: var(--violet); }
.page-contact .channel-card--correction { --contact-accent: var(--orange); }
.page-contact .channel-card--cooperation { --contact-accent: var(--lime); }
.page-contact .channel-num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--contact-accent);
}
.page-contact .channel-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--cream);
}
.page-contact .channel-card p {
  margin: 0 0 10px;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.7;
}
.page-contact .channel-card .channel-hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--contact-accent);
  opacity: 0.92;
}
.page-contact .split-figure {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 2px 20px 2px 20px;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* —— 直接联系 —— */
.page-contact .reach {
  background: var(--navy);
  border: 1px solid var(--line);
  border-radius: 2px 26px 2px 26px;
  padding: var(--contact-pad);
}
.page-contact .reach-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-contact .reach-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.page-contact .reach-list li:first-child {
  padding-top: 0;
}
.page-contact .reach-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-contact .reach-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rock);
}
.page-contact .reach-value {
  font-size: 17px;
  line-height: 1.5;
  color: var(--cream);
  overflow-wrap: anywhere;
}
.page-contact .reach-value.reach-mono {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}
.page-contact .reach-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-cyan);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-dim);
}

/* —— 反馈表单 —— */
.page-contact .feedback-form {
  position: relative;
  background: var(--navy);
  border: 1px solid var(--line-violet);
  border-radius: 2px 30px 2px 30px;
  padding: var(--contact-pad);
  box-shadow: 0 24px 60px -40px rgba(122, 92, 255, 0.55);
}
.page-contact .form-head {
  margin-bottom: 24px;
}
.page-contact .form-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  margin: 0 0 12px;
}
.page-contact .form-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 16px;
}
.page-contact .form-ruler {
  position: relative;
  height: 3px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.page-contact .form-ruler-fill {
  display: block;
  height: 100%;
  width: 8%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--orange));
  transition: width 0.45s var(--ease);
}
.page-contact .feedback-form:has(#topic:focus) .form-ruler-fill { width: 26%; }
.page-contact .feedback-form:has(.field-radios input:focus) .form-ruler-fill { width: 48%; }
.page-contact .feedback-form:has(#desc:focus) .form-ruler-fill { width: 72%; }
.page-contact .feedback-form:has(#contact:focus) .form-ruler-fill { width: 92%; }

.page-contact .field {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}
.page-contact .field-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}
.page-contact .field input[type="text"],
.page-contact .field textarea {
  width: 100%;
  box-sizing: border-box;
  background: rgba(10, 22, 51, 0.65);
  border: 1px solid var(--line);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  padding: 12px 14px;
  border-radius: 4px 16px 4px 16px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-contact .field textarea {
  min-height: 130px;
  resize: vertical;
}
.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: var(--rock);
  opacity: 0.85;
}
.page-contact .field input[type="text"]:focus,
.page-contact .field input[type="text"]:focus-visible,
.page-contact .field textarea:focus,
.page-contact .field textarea:focus-visible {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 224, 214, 0.24);
}
.page-contact .field input:user-invalid,
.page-contact .field textarea:user-invalid {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.20);
}
.page-contact .field-hint {
  font-size: 12px;
  line-height: 1.5;
  color: var(--rock);
}
.page-contact .field-radios {
  border: 0;
  padding: 0;
  margin: 0 0 18px;
}
.page-contact .field-radios legend {
  padding: 0;
  margin-bottom: 8px;
}
.page-contact .radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .radio-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(10, 22, 51, 0.65);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink-dim);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-contact .radio-pill input {
  accent-color: var(--cyan);
  margin: 0;
}
.page-contact .radio-pill:has(input:checked) {
  border-color: var(--cyan);
  color: var(--cream);
  box-shadow: 0 0 0 2px rgba(34, 224, 214, 0.18);
}
.page-contact .form-actions {
  display: grid;
  gap: 14px;
  padding-top: 8px;
}
.page-contact .btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 26px;
  background: var(--cyan);
  color: var(--space);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  border: 0;
  border-radius: 4px 18px 4px 18px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: filter 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.page-contact .btn-submit:hover,
.page-contact .btn-submit:focus-visible {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -14px rgba(34, 224, 214, 0.7);
  outline: none;
}
.page-contact .form-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
}
.page-contact .form-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 224, 214, 0.5);
}
.page-contact .form-note a:hover,
.page-contact .form-note a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* —— 响应流程 —— */
.page-contact .response {
  max-width: var(--shell);
  margin: clamp(56px, 9vw, 128px) auto 0;
  padding: 0 var(--pad);
}
.page-contact .response-figure {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 24px;
  border: 1px solid var(--line);
  border-radius: 2px 24px 2px 24px;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}
.page-contact .response-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .step {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 14px;
  padding: 16px 18px;
  background: linear-gradient(90deg, rgba(201, 139, 107, 0.10), transparent 70%);
  border-left: 2px solid var(--clay);
  border-radius: 2px 14px 2px 14px;
}
.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  padding-top: 2px;
}
.page-contact .step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

/* —— 处理时效 —— */
.page-contact .times {
  max-width: var(--shell);
  margin: clamp(48px, 8vw, 112px) auto 0;
  padding: 0 var(--pad);
}
.page-contact .time-grid {
  display: grid;
  gap: 14px;
}
.page-contact .time-cell {
  --cell-accent: var(--cyan);
  position: relative;
  padding: 20px;
  background: var(--navy);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cell-accent);
  border-radius: 2px 20px 2px 20px;
}
.page-contact .time-cell--cyan { --cell-accent: var(--cyan); }
.page-contact .time-cell--orange { --cell-accent: var(--orange); }
.page-contact .time-cell--violet { --cell-accent: var(--violet); }
.page-contact .time-cell--lime { --cell-accent: var(--lime); }
.page-contact .time-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cell-accent);
}
.page-contact .time-cell h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}
.page-contact .time-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink-dim);
}

/* —— 滚动显现（渐进增强） —— */
.page-contact [data-reveal] {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: no-preference) {
  .page-contact [data-reveal] {
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  }
  .page-contact [data-reveal][data-reveal-ready="true"] {
    opacity: 0;
    transform: translateY(16px);
  }
  .page-contact [data-reveal][data-revealed="true"] {
    opacity: 1;
    transform: none;
  }
}

/* —— 平板 —— */
@media (min-width: 720px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .time-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .response-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* —— 桌面 —— */
@media (min-width: 960px) {
  .page-contact .console-hero {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-contact .console-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-contact .console-right {
    position: sticky;
    top: clamp(80px, 12vh, 120px);
  }
  .page-contact .response-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .time-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .btn-submit {
    width: auto;
    justify-self: start;
    min-width: 180px;
  }
}
<<<END>>>