.page-contact {
  --pc-orange-deep: #E8662B;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.page-contact .mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.page-contact .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
}

.page-contact .g-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.page-contact .g-12 > * {
  grid-column: span 12;
  min-width: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding: 22px 0 4px;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .breadcrumbs__list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumbs__list li + li::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--line);
}

.page-contact .breadcrumbs a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}

.page-contact .breadcrumbs a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 通用区块与章节 ---------- */
.page-contact .section {
  padding: 48px 0;
}

.page-contact .section.pc-hero {
  padding: 16px 0 44px;
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(27, 42, 91, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 42, 91, .045) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}

.page-contact .section.pc-route {
  padding: 40px 0 8px;
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--blue);
}

.page-contact .pc-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  margin-bottom: 30px;
}

.page-contact .pc-chapter__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 24px;
  background: var(--cyan);
  color: var(--indigo-deep);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .pc-chapter__title {
  margin: 0;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--indigo);
}

.page-contact .pc-chapter__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--indigo);
}

.page-contact .pc-hero__text {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .pc-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color var(--t), color var(--t), border-color var(--t);
}

.page-contact .pc-btn--accent {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.page-contact .pc-btn--accent:hover,
.page-contact .pc-btn--accent:focus-visible {
  background: var(--pc-orange-deep);
  border-color: var(--pc-orange-deep);
}

.page-contact .pc-btn--ghost {
  background: transparent;
  border-color: var(--indigo);
  color: var(--indigo);
}

.page-contact .pc-btn--ghost:hover,
.page-contact .pc-btn--ghost:focus-visible {
  background: var(--indigo);
  color: #fff;
}

.page-contact .pc-btn--ghost-light {
  border-color: rgba(201, 211, 232, .5);
  color: #fff;
}

.page-contact .pc-btn--ghost-light:hover,
.page-contact .pc-btn--ghost-light:focus-visible {
  background: #fff;
  color: var(--indigo-deep);
  border-color: #fff;
}

.page-contact .pc-quick {
  margin-top: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  padding: 22px 20px;
}

.page-contact .pc-quick__label {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .pc-quick__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .pc-quick__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .pc-quick__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--indigo);
  border: 1px solid var(--line);
}

.page-contact .pc-quick__no--orange {
  color: var(--orange);
  border-color: var(--orange);
}

.page-contact .pc-quick__t {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--indigo);
}

.page-contact .pc-quick__d {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 两步进度条 ---------- */
.page-contact .pc-steps {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--indigo-deep);
  border-bottom: 1px solid rgba(40, 194, 255, .22);
}

.page-contact .pc-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .pc-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
}

.page-contact .pc-steps__item + .pc-steps__item {
  border-top: 1px solid rgba(201, 211, 232, .16);
}

.page-contact .pc-steps__no {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--on-dark-dim);
  border: 1px solid var(--on-dark-dim);
  padding: 3px 6px;
  margin-top: 1px;
}

.page-contact .pc-steps__item.is-current .pc-steps__no {
  color: var(--indigo-deep);
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .pc-steps__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-contact .pc-steps__t {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.page-contact .pc-steps__d {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--on-dark-dim);
}

/* ---------- 媒体与图示 ---------- */
.page-contact .pc-media {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 10px;
  box-sizing: border-box;
}

.page-contact .pc-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--paper);
}

.page-contact .pc-media__cap {
  margin: 12px 2px 2px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .pc-media--inline {
  display: flex;
  flex-direction: column;
}

/* ---------- 范围表 ---------- */
.page-contact .pc-spec {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 14.5px;
}

.page-contact .pc-spec th,
.page-contact .pc-spec td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
}

.page-contact .pc-spec tr:last-child th,
.page-contact .pc-spec tr:last-child td {
  border-bottom: 0;
}

.page-contact .pc-spec th {
  width: 32%;
  font-weight: 600;
  color: var(--indigo);
  background: var(--paper);
  border-right: 1px solid var(--line);
}

.page-contact .pc-spec td {
  color: var(--ink);
}

.page-contact .pc-scope__note {
  margin: 28px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  max-width: 860px;
}

.page-contact .pc-checklist__item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t);
}

.page-contact .pc-checklist__item:hover {
  background-color: rgba(40, 194, 255, .06);
}

.page-contact .pc-checklist__box {
  width: 20px;
  height: 20px;
  box-sizing: border-box;
  border: 1.5px solid var(--line);
  margin-top: 3px;
  transition: border-color var(--t);
}

.page-contact .pc-checklist__item:hover .pc-checklist__box {
  border-color: var(--cyan);
}

.page-contact .pc-checklist__t {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--indigo);
}

.page-contact .pc-checklist__d {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 反馈类型 ---------- */
.page-contact .pc-type {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
}

.page-contact .pc-type:nth-child(2) {
  border-top-color: var(--orange);
}

.page-contact .pc-type:nth-child(3) {
  border-top-color: var(--indigo);
}

.page-contact .pc-type__tag {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .pc-type__t {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--indigo);
}

.page-contact .pc-type__d {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .pc-type__link {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--cyan);
  transition: color var(--t), border-color var(--t);
}

.page-contact .pc-type__link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 联系渠道（深色区） ---------- */
.page-contact .pc-channels {
  position: relative;
  overflow: hidden;
  background: var(--indigo);
  color: #fff;
}

.page-contact .pc-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 211, 232, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 211, 232, .08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-contact .pc-channels .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .pc-chapter--dark {
  border-top-color: rgba(201, 211, 232, .22);
}

.page-contact .pc-chapter--dark .pc-chapter__title {
  color: #fff;
}

.page-contact .pc-chapter--dark .pc-chapter__lede {
  color: var(--on-dark);
}

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  height: 100%;
  box-sizing: border-box;
  padding: 20px;
  border: 1px solid rgba(201, 211, 232, .2);
  background: rgba(255, 255, 255, .035);
}

.page-contact .pc-channel__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(40, 194, 255, .45);
  color: var(--cyan);
}

.page-contact .pc-channel__k {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--on-dark-dim);
}

.page-contact .pc-channel__v {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  word-break: break-word;
}

.page-contact .pc-channel__v--text {
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.65;
}

.page-contact .pc-channel__d {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-contact .pc-channels__note {
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(201, 211, 232, .18);
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark);
}

/* ---------- 记录用途 ---------- */
.page-contact .pc-uses {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-use {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 8px 18px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t);
}

.page-contact .pc-use:hover {
  background-color: rgba(40, 194, 255, .05);
}

.page-contact .pc-use__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  padding-top: 4px;
}

.page-contact .pc-use__t {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--indigo);
}

.page-contact .pc-use__d {
  grid-column: 2;
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-uses__note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-uses__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color var(--t), border-color var(--t);
}

.page-contact .pc-uses__note a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 收束区 ---------- */
.page-contact .pc-next {
  background: var(--indigo-deep);
  color: #fff;
}

.page-contact .pc-next .eyebrow {
  color: var(--cyan);
}

.page-contact .pc-next__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.015em;
  color: #fff;
}

.page-contact .pc-next__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-contact .pc-next__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 锚点偏移 ---------- */
.page-contact #export-scope,
.page-contact #prepare {
  scroll-margin-top: 84px;
}

/* ---------- 滚动显现 ---------- */
.page-contact [data-reveal-delay="1"] {
  transition-delay: 60ms;
}

.page-contact [data-reveal-delay="2"] {
  transition-delay: 120ms;
}

.page-contact [data-reveal-delay="3"] {
  transition-delay: 180ms;
}

.page-contact [data-reveal-delay="4"] {
  transition-delay: 240ms;
}

@media (prefers-reduced-motion: no-preference) {
  .js-ready .page-contact [data-reveal] {
    opacity: 0;
    transform: translateY(12px);
    transition-property: opacity, transform;
    transition-duration: 300ms;
    transition-timing-function: ease;
  }

  .js-ready .page-contact [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .wrap {
    padding: 0 24px;
  }

  .page-contact .pc-hero__text {
    font-size: 17px;
  }

  .page-contact .section {
    padding: 60px 0;
  }

  .page-contact .section.pc-hero {
    padding: 22px 0 52px;
  }

  .page-contact .section.pc-route {
    padding: 44px 0 8px;
  }

  .page-contact .pc-chapter {
    grid-template-columns: 44px 1fr;
    gap: 22px;
  }

  .page-contact .pc-chapter__num {
    margin-top: 7px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-steps__list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .pc-steps__item {
    padding: 15px 26px 15px 0;
    align-items: center;
  }

  .page-contact .pc-steps__item + .pc-steps__item {
    border-top: 0;
    border-left: 1px solid rgba(201, 211, 232, .16);
    padding-left: 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .c-4 { grid-column: span 4; }
  .page-contact .c-5 { grid-column: span 5; }
  .page-contact .c-6 { grid-column: span 6; }
  .page-contact .c-7 { grid-column: span 7; }
  .page-contact .c-8 { grid-column: span 8; }

  .page-contact .section {
    padding: 76px 0;
  }

  .page-contact .section.pc-hero {
    padding: 32px 0 64px;
  }

  .page-contact .section.pc-route {
    padding: 52px 0 8px;
  }

  .page-contact .pc-quick {
    margin-top: 12px;
  }

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

  .page-contact .pc-use {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 28px 22px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-contact .pc-use:last-child {
    border-right: 0;
  }

  .page-contact .pc-use__d {
    grid-column: 1;
  }

  .page-contact .pc-uses__note {
    margin-top: 30px;
  }

  .page-contact .pc-next {
    padding: 88px 0;
  }
}