.page-contact {
  --pc-gap: clamp(20px, 3vw, 36px);
  --pc-line: 1px solid var(--ink-2);
  position: relative;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(24px, 5vw, 56px));
  padding-bottom: clamp(30px, 5vw, 52px);
  border-bottom: var(--pc-line);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -14%;
  width: min(46vw, 480px);
  height: 158%;
  background: linear-gradient(152deg, rgba(255, 106, 0, 0.2), rgba(106, 61, 245, 0.16) 58%, transparent 100%);
  transform: skewX(-10deg);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  max-width: 60ch;
  margin-top: 20px;
}

.page-contact .contact-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
}

.page-contact .contact-index__link {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--ink-2);
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .contact-index__link:hover,
.page-contact .contact-index__link:focus-visible {
  border-color: var(--neon);
  color: var(--text);
  transform: translateX(2px);
}

/* ---------- 章节通用 ---------- */
.page-contact .h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .section-lede {
  max-width: 64ch;
  margin: 16px 0 0;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.78;
}

/* ---------- 问题归类 ---------- */
.page-contact .type-grid {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-2);
  border: 1px solid var(--ink-2);
}

.page-contact .type-card {
  position: relative;
  background: var(--ink-0);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background-color 0.25s var(--ease);
}

.page-contact .type-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.32s var(--ease);
}

.page-contact .type-card:hover {
  background: var(--ink-1);
}

.page-contact .type-card:hover::after,
.page-contact .type-card:focus-within::after {
  transform: scaleY(1);
}

.page-contact .type-card__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: var(--violet);
  transform: skewX(-8deg);
}

.page-contact .type-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .type-card__text {
  margin: 0;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-contact .type-card__hint {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ink-2);
  color: var(--text);
  font-family: var(--font-editorial);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 引导 + 侧栏 ---------- */
.page-contact .contact-figure {
  margin: clamp(24px, 4vw, 44px) 0 0;
}

.page-contact .guide-grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .guide-main {
  min-width: 0;
}

.page-contact .contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-2);
  border: 1px solid var(--ink-2);
}

.page-contact .contact-steps .step {
  background: var(--ink-1);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 20px;
  align-items: start;
}

.page-contact .contact-steps .step__num {
  grid-row: span 3;
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 800;
  line-height: 0.85;
  color: var(--orange);
  display: inline-block;
  transform: skewX(-8deg);
}

.page-contact .contact-steps .step__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .contact-steps .step__text {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-contact .contact-steps__eg {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--violet);
  color: var(--text-dim);
  font-family: var(--font-editorial);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .guide-side {
  min-width: 0;
}

.page-contact .channel-card {
  background: var(--ink-1);
  border: 1px solid var(--ink-2);
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .contact-channel-figure {
  margin: 0;
}

.page-contact .channel-card__title {
  margin: 20px 0 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .channel-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-2);
  border-top: 1px solid var(--ink-2);
  border-bottom: 1px solid var(--ink-2);
}

.page-contact .channel-item {
  background: var(--ink-1);
  padding: 16px 0;
  display: grid;
  gap: 8px;
}

.page-contact .channel-item__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .channel-list .copy-field {
  font-size: 15px;
  word-break: break-word;
}

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

/* ---------- 响应与流程 ---------- */
.page-contact .contact-sla {
  position: relative;
}

.page-contact .sla-hours {
  display: grid;
  gap: 1px;
  margin-top: clamp(24px, 4vw, 38px);
  background: rgba(244, 245, 248, 0.18);
  border: 1px solid rgba(244, 245, 248, 0.18);
}

.page-contact .sla-stat {
  background: rgba(11, 13, 20, 0.42);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .sla-stat__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(36px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1;
  color: var(--orange);
  transform: skewX(-8deg);
}

.page-contact .sla-stat__text {
  margin: 14px 0 0;
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-contact .flow-list {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(244, 245, 248, 0.18);
  border: 1px solid rgba(244, 245, 248, 0.18);
}

.page-contact .flow-list > li {
  background: rgba(11, 13, 20, 0.45);
  padding: clamp(18px, 2.6vw, 26px);
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .flow-step__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-contact .flow-step__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 245, 248, 0.76);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .partner-card {
  position: relative;
  background: transparent;
  border: 1px solid var(--ink-2);
  border-left: 3px solid var(--orange);
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .partner-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .partner-card__text {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-contact .partner-card__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ink-2);
  color: var(--text);
  font-family: var(--font-editorial);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-outro {
  margin-top: clamp(20px, 3vw, 30px);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .contact-outro a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}

.page-contact .contact-outro a:hover,
.page-contact .contact-outro a:focus-visible {
  color: var(--neon);
}

/* ---------- 提交前检查 ---------- */
.page-contact .miss-list {
  list-style: none;
  counter-reset: miss;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-contact .miss-list > li {
  position: relative;
  padding-left: 48px;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .miss-list > li::before {
  counter-increment: miss;
  content: counter(miss, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .miss-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 700;
}

.page-contact .miss-list a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--violet);
  text-underline-offset: 3px;
}

.page-contact .miss-list a:hover,
.page-contact .miss-list a:focus-visible {
  color: var(--neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .type-grid,
  .page-contact .sla-hours {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .guide-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
  }

  .page-contact .guide-side__inner {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-contact .contact-hero::before {
    width: 70vw;
    right: -30%;
  }

  .page-contact .contact-steps .step {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-contact .contact-steps .step__num {
    grid-row: auto;
    font-size: 40px;
  }

  .page-contact .miss-list > li {
    padding-left: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-index__link,
  .page-contact .type-card,
  .page-contact .type-card::after {
    transition: none;
  }
}