.page-contact {
  --contact-gap: clamp(36px, 5vw, 64px);
  --contact-card-pad: clamp(18px, 3vw, 30px);
  color: var(--text);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(27, 74, 61, .55), transparent 62%),
    var(--bg);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  margin-top: 18px;
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(24px, 3.6vw, 40px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(199, 255, 62, .10), transparent 52%);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero > * {
  position: relative;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 0 0 18px;
  max-width: 20ch;
  color: var(--white-000);
}

.page-contact .hero-lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.75;
  color: var(--paper-300);
}

.page-contact .contact-alert {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: clamp(22px, 3vw, 32px);
  padding: 14px 18px;
  border-left: 3px solid var(--mark);
  background: rgba(255, 138, 61, .1);
}

.page-contact .contact-alert p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-100);
}

/* ---------- 渠道 + 表单工作台 ---------- */
.page-contact .contact-block {
  margin-top: var(--contact-gap);
}

.page-contact .workbench {
  display: grid;
  gap: 18px;
  align-items: start;
}

.page-contact .channel-card {
  border: 1px solid var(--line);
  background: var(--ink-700);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 26px 48px -40px rgba(0, 0, 0, .9);
}

.page-contact .channel-media {
  margin: 0;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-contact .channel-body {
  padding: var(--contact-card-pad);
}

.page-contact .channel-body h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 26px);
  line-height: 1.25;
  margin: 0 0 14px;
  color: var(--white-000);
}

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

.page-contact .channel-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .channel-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.4;
  color: var(--white-000);
  overflow-wrap: anywhere;
}

.page-contact .channel-value a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 255, 62, .45);
  transition: border-color .2s var(--ease);
}

.page-contact .channel-value a:hover,
.page-contact .channel-value a:focus-visible {
  border-bottom-color: var(--accent);
}

.page-contact .channel-use {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-contact .channel-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-300);
}

/* 纸面表单 */
.page-contact .ticket {
  position: relative;
  padding: var(--contact-card-pad);
  background: var(--paper-100);
  color: var(--ink-800);
  border-radius: var(--radius);
  box-shadow: 0 30px 56px -44px rgba(0, 0, 0, .95);
}

.page-contact .ticket::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--lime-700), var(--mark));
}

.page-contact .ticket-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--lime-700);
}

.page-contact .ticket h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 25px);
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--ink-900);
}

.page-contact .ticket-lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .field-list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
}

.page-contact .field-list li {
  display: grid;
  gap: 3px;
  padding: 11px 0;
  border-top: 1px solid var(--paper-300);
}

.page-contact .field-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-800);
}

.page-contact .field-hint {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-700);
}

.page-contact .ticket-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  background: var(--ink-800);
  color: var(--paper-100);
  border: 1px solid var(--ink-800);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ticket-cta::after {
  content: "→";
  font-size: 15px;
}

.page-contact .ticket-cta:hover,
.page-contact .ticket-cta:focus-visible {
  background: var(--lime-400);
  color: var(--ink-900);
  border-color: var(--lime-400);
}

.page-contact .ticket-foot {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-700);
}

/* ---------- 通用区块标题 ---------- */
.page-contact .section-head h2,
.page-contact .version-copy h2,
.page-contact .fix-head h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--white-000);
  max-width: 22ch;
}

.page-contact .block-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-300);
  max-width: 60ch;
}

/* ---------- 版本问题 ---------- */
.page-contact .version-block {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .check-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .check-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .check-num {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  color: var(--accent);
}

.page-contact .check-list h3 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-contact .check-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .version-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .version-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

.page-contact .version-media figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 数据纠错 ---------- */
.page-contact .fix-block {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .fix-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.page-contact .fix-list li {
  border-top: 1px solid var(--line-soft);
}

.page-contact .fix-aside {
  padding: var(--contact-card-pad);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: rgba(18, 53, 43, .72);
  border-radius: var(--radius);
}

.page-contact .fix-aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .fix-aside .stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .fix-aside .stat-value {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: var(--accent);
}

.page-contact .fix-aside .stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--paper-300);
}

.page-contact .fix-aside-text {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .fix-aside-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .fix-aside-foot a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 255, 62, .45);
}

.page-contact .fix-aside-foot a:hover,
.page-contact .fix-aside-foot a:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- 响应流程 ---------- */
.page-contact .flow-block {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .flow {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .flow-step {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .flow-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--accent);
}

.page-contact .flow-label {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  color: var(--paper-100);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 自助入口 ---------- */
.page-contact .help-block {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .help-links {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .help-link {
  display: grid;
  gap: 6px;
  padding: 18px var(--contact-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  text-decoration: none;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .help-link:hover,
.page-contact .help-link:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-contact .help-link-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent);
}

.page-contact .help-link-title {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--white-000);
}

.page-contact .help-link-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .help-foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-dim);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .flow-step {
    grid-template-columns: 64px 140px 1fr;
    align-items: baseline;
    gap: 8px 20px;
  }

  .page-contact .flow-step p {
    grid-column: 3;
  }

  .page-contact .help-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .workbench {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .version-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }

  .page-contact .fix-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: start;
  }

  .page-contact .version-media {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
}

@media (min-width: 1180px) {
  .page-contact .channel-list li {
    grid-template-columns: 64px 1fr;
    column-gap: 14px;
    align-items: baseline;
  }

  .page-contact .channel-key {
    grid-row: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ticket-cta,
  .page-contact .help-link,
  .page-contact .channel-value a {
    transition: none;
  }

  .page-contact .help-link:hover,
  .page-contact .help-link:focus-visible {
    transform: none;
  }
}
<<<END>>>