.page-contact {
  background: var(--paper-100);
  color: var(--ink-900);
  overflow-x: hidden;
}

.page-contact > .breadcrumb {
  padding-top: 16px;
  padding-bottom: 12px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-top: var(--border-ink);
  border-bottom: var(--border-ink);
  padding: 42px 0 52px;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -34%;
  width: 82%;
  height: 165%;
  background: var(--ink-800);
  transform: rotate(8deg);
  pointer-events: none;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 8px;
  background: var(--signal-orange);
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-contact .pc-hero .index-label {
  color: var(--cyan-glow);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin: 0;
}

.page-contact .pc-hero__title {
  margin: 12px 0 16px;
  font-size: 32px;
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-000);
}

.page-contact .pc-hero__sub {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 245, 248, 0.82);
}

.page-contact .pc-quick {
  background: var(--paper-000);
  border: var(--border-ink);
  box-shadow: var(--shadow-orange);
}

.page-contact .pc-quick__row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 14px;
  align-items: baseline;
  justify-content: space-between;
  padding: 13px 15px;
  border-bottom: 2px solid var(--ink-600);
}

.page-contact .pc-quick__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-quick__key {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-600);
}

.page-contact .pc-quick__val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-900);
  word-break: break-word;
}

/* ---------- 主体骨架 ---------- */
.page-contact .pc-shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 32px var(--shell-pad) 56px;
  display: grid;
  gap: 28px;
}

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

.page-contact .index-rail {
  border: var(--border-ink);
  background: var(--paper-000);
  padding: 14px 16px 16px;
}

.page-contact .index-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-600);
}

.page-contact .index-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-contact .index-rail__link {
  display: inline-block;
  font-size: 14px;
  color: var(--ink-700);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.page-contact .index-rail__link:hover,
.page-contact .index-rail__link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-600);
}

.page-contact .index-rail__link[data-current="true"] {
  color: var(--ink-900);
  font-weight: 700;
  border-bottom-color: var(--signal-orange);
}

/* ---------- 章节 ---------- */
.page-contact .pc-section {
  padding: 30px 0;
  border-top: 2px solid var(--ink-900);
  min-width: 0;
}

.page-contact .pc-section--first {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-section__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-contact .pc-section__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal-orange);
}

.page-contact .pc-section__title {
  margin: 0;
  font-size: 23px;
  line-height: 1.32;
  font-weight: 900;
}

.page-contact .pc-section__lead {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-contact .pc-note {
  margin: 20px 0 0;
  padding: 12px 14px;
  border: 2px solid var(--ink-600);
  border-left: 8px solid var(--cyan-glow);
  background: var(--paper-000);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 渠道 ---------- */
.page-contact .pc-channels-layout {
  display: grid;
  gap: 20px;
}

.page-contact .pc-channels {
  display: grid;
  gap: 16px;
}

.page-contact .pc-channel {
  display: grid;
  gap: 12px;
  background: var(--paper-000);
  border: var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  padding: 16px;
}

.page-contact .pc-channel__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .pc-channel__no {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  background: var(--ink-900);
  color: var(--paper-000);
}

.page-contact .pc-channel--phone .pc-channel__no {
  background: var(--signal-orange);
  color: var(--ink-900);
}

.page-contact .pc-channel--mail .pc-channel__no {
  background: var(--cyan-glow);
  color: var(--ink-900);
}

.page-contact .pc-channel--addr .pc-channel__no {
  background: var(--amber-index);
  color: var(--ink-900);
}

.page-contact .pc-channel__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.page-contact .pc-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--ink-900);
  word-break: break-word;
}

.page-contact .pc-channel__value--addr {
  font-size: 14px;
  font-weight: 500;
}

.page-contact .pc-channel__disc {
  margin: 0;
}

.page-contact .pc-channel__summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-600);
}

.page-contact .pc-channel__summary::marker {
  color: var(--signal-orange);
}

.page-contact .pc-channel__fit {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-contact .pc-channel .copy-btn {
  justify-self: start;
}

/* ---------- 图片 ---------- */
.page-contact .pc-shot {
  margin: 0;
  border: var(--border-ink);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .pc-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .pc-shot__caption {
  padding: 10px 12px;
  background: var(--paper-000);
  border-top: 2px solid var(--ink-900);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 反馈准备清单 ---------- */
.page-contact .pc-prepare-layout {
  display: grid;
  gap: 22px;
}

.page-contact .pc-checklist {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-contact .pc-check {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px;
  background: var(--paper-000);
  border: 2px solid var(--ink-600);
  cursor: pointer;
}

.page-contact .pc-check__box {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--ink-900);
  background: var(--paper-100);
}

.page-contact .pc-check__input:checked ~ .pc-check .pc-check__box {
  background: var(--signal-orange);
  box-shadow: inset 0 0 0 3px var(--paper-000);
}

.page-contact .pc-check__input:checked ~ .pc-check {
  border-color: var(--ink-900);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .pc-check__input:focus-visible ~ .pc-check {
  outline: 3px solid var(--signal-orange);
  outline-offset: 2px;
}

.page-contact .pc-check__body {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-contact .pc-check__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .pc-check__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-700);
}

/* ---------- 三类问题 ---------- */
.page-contact .pc-routing {
  display: grid;
  gap: 18px;
}

.page-contact .pc-route {
  background: var(--paper-000);
  border: var(--border-ink);
  border-left-width: 8px;
  border-left-style: solid;
  padding: 18px;
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .pc-route--migrate {
  border-left-color: var(--signal-orange);
}

.page-contact .pc-route--version {
  border-left-color: var(--cyan-glow);
}

.page-contact .pc-route--search {
  border-left-color: var(--amber-index);
}

.page-contact .pc-route__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
}

.page-contact .pc-route__fit {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-contact .pc-route__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-600);
}

.page-contact .pc-route__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .pc-route__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-contact .pc-route__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--ink-600);
}

.page-contact .pc-route__how {
  margin: 0;
  padding-top: 12px;
  border-top: 2px solid var(--ink-600);
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-700);
}

/* ---------- 四步流程 ---------- */
.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-flow__step {
  background: var(--ink-900);
  color: var(--paper-100);
  border: 2px solid var(--ink-900);
  padding: 18px 16px;
}

.page-contact .pc-flow__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-index);
}

.page-contact .pc-flow__title {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-000);
}

.page-contact .pc-flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 245, 248, 0.78);
}

.page-contact .pc-flow__step--accent {
  background: var(--signal-orange);
  border-color: var(--ink-900);
}

.page-contact .pc-flow__step--accent .pc-flow__no {
  color: var(--ink-900);
}

.page-contact .pc-flow__step--accent .pc-flow__title {
  color: var(--ink-900);
}

.page-contact .pc-flow__step--accent .pc-flow__text {
  color: rgba(11, 26, 43, 0.84);
}

/* ---------- 页尾引导 ---------- */
.page-contact .pc-next {
  margin-top: 26px;
  padding: 20px;
  background: var(--paper-000);
  border: var(--border-ink);
  box-shadow: var(--shadow-orange);
}

.page-contact .pc-next__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
}

.page-contact .pc-next__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--ink-700);
}

.page-contact .pc-next__link {
  color: var(--ink-900);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-glow);
}

.page-contact .pc-next__link:hover,
.page-contact .pc-next__link:focus-visible {
  border-bottom-color: var(--signal-orange);
}

.page-contact .pc-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-hero__title {
    font-size: 40px;
  }

  .page-contact .pc-section__title {
    font-size: 27px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding: 58px 0 66px;
  }

  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .pc-hero__title {
    font-size: 48px;
  }

  .page-contact .pc-prepare-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .pc-routing {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 52px;
    padding-top: 52px;
    padding-bottom: 72px;
  }

  .page-contact .index-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-contact .index-rail__list {
    flex-direction: column;
    gap: 12px;
  }

  .page-contact .pc-channels-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

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

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</parameter>