.page-faq {
  --faq-lift: 5px 5px 0 0 var(--blueprint);
  --faq-hair: 1px solid var(--blueprint);
  display: block;
}

/* 首屏 */
.page-faq .faq-hero {
  background: var(--ink);
  color: var(--paper);
  border-bottom: var(--faq-hair);
  padding: 28px 0 44px;
}

.page-faq .faq-hero .crumbs,
.page-faq .faq-hero .crumbs a {
  color: var(--blueprint);
}

.page-faq .faq-hero .kicker {
  color: var(--celadon);
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  color: var(--paper);
  margin: 0;
}

.page-faq .faq-hero .lede {
  color: var(--blueprint);
  margin: 16px 0 0;
  max-width: 52ch;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-faq .faq-hero__jump {
  display: grid;
  gap: 10px;
}

.page-faq .faq-jump {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num text"
    "num hint";
  gap: 2px 16px;
  align-items: center;
  padding: 13px 16px;
  border: 1px solid rgba(199, 213, 222, 0.34);
  border-left: 3px solid var(--blueprint);
  background: rgba(243, 245, 241, 0.04);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.14s ease, background-color 0.14s ease;
}

.page-faq .faq-jump__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-jump__text {
  grid-area: text;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-jump__hint {
  grid-area: hint;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blueprint);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  border-left-color: var(--orange);
  background: rgba(255, 122, 47, 0.12);
}

.page-faq .faq-jump:hover .faq-jump__hint,
.page-faq .faq-jump:focus-visible .faq-jump__hint {
  color: var(--orange-pale);
}

/* 主体骨架 */
.page-faq .faq-shell {
  display: grid;
  gap: 32px;
  padding-top: 36px;
  padding-bottom: 64px;
}

.page-faq .faq-toc .kicker {
  color: var(--sea);
  margin: 0;
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .faq-toc__list a {
  display: block;
  padding: 9px 12px;
  border-bottom: 2px solid var(--blueprint);
  color: var(--sea);
  text-decoration: none;
  font-size: 15px;
  white-space: nowrap;
  transition: border-color 0.14s ease, color 0.14s ease, background-color 0.14s ease;
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-bottom-color: var(--orange);
  color: var(--ink);
  background: var(--orange-pale);
}

.page-faq .faq-block {
  padding-bottom: 44px;
  margin-bottom: 44px;
  border-bottom: var(--faq-hair);
}

.page-faq .faq-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.page-faq .faq-block__head .kicker {
  color: var(--teal-deep);
  margin: 0 0 10px;
}

.page-faq .faq-block__head h2 {
  color: var(--ink);
  margin: 0;
}

.page-faq .faq-block__head .body-text {
  margin: 14px 0 0;
  max-width: 68ch;
  color: var(--ink);
}

/* 导出步骤跳转 */
.page-faq .faq-steps__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: var(--faq-hair);
}

.page-faq .faq-steps__jump .link-u {
  color: var(--sea);
  font-size: 15px;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 28px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--faq-hair);
  background: var(--ink);
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--sea);
}

/* 三步 */
.page-faq .faq-steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  border-top: var(--faq-hair);
}

.page-faq .faq-step {
  position: relative;
  padding: 24px 0 24px 56px;
  border-bottom: var(--faq-hair);
  scroll-margin-top: calc(var(--bar-h) + 72px);
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 22px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.page-faq .faq-step h3 {
  margin: 0;
  color: var(--sea);
}

.page-faq .faq-step .body-text {
  margin: 10px 0 0;
  max-width: 66ch;
}

.page-faq .faq-step__pit {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--celadon);
  font-size: 14px;
  line-height: 1.65;
  color: var(--teal-deep);
}

/* 折叠卡片 */
.page-faq .faq-cards {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.page-faq .faq-card {
  border: var(--faq-hair);
  border-left: 3px solid var(--blueprint);
  background: var(--paper);
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.page-faq .faq-card:hover {
  border-left-color: var(--orange);
}

.page-faq .faq-card[open] {
  border-left-color: var(--orange);
  box-shadow: var(--faq-lift);
}

.page-faq .faq-card__sum {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  min-height: 44px;
}

.page-faq .faq-card__sum::-webkit-details-marker {
  display: none;
}

.page-faq .faq-card__title {
  display: block;
}

.page-faq .faq-card__chev {
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--sea);
  border-bottom: 2px solid var(--sea);
  transform: rotate(45deg);
  transition: transform 0.14s ease, border-color 0.14s ease;
}

.page-faq .faq-card__sum:hover .faq-card__chev,
.page-faq .faq-card__sum:focus-visible .faq-card__chev {
  border-color: var(--orange);
}

.page-faq .faq-card[open] .faq-card__chev {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-faq .faq-card__body {
  padding: 14px 18px 20px;
  border-top: var(--faq-hair);
}

.page-faq .faq-card__body .body-text {
  margin: 0;
  max-width: 68ch;
}

.page-faq .faq-card__body .link-u {
  color: var(--sea);
}

/* 流程图 */
.page-faq .faq-flow-scroll {
  margin-top: 28px;
  border: var(--faq-hair);
  overflow-x: auto;
  background: var(--ink);
  scrollbar-width: thin;
}

.page-faq .faq-flow {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.page-faq .faq-flow rect {
  fill: none;
  stroke: rgba(199, 213, 222, 0.4);
  stroke-width: 1;
}

.page-faq .faq-flow__arrow {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.5;
}

.page-faq .faq-flow__num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.06em;
  fill: var(--orange);
}

.page-faq .faq-flow__label {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 700;
  fill: var(--paper);
}

.page-faq .faq-flow__desc {
  font-family: var(--font-body);
  font-size: 17px;
  fill: var(--blueprint);
}

/* 求助区 */
.page-faq .faq-block--help {
  background: var(--ink);
  border: var(--faq-hair);
  border-top: 4px solid var(--orange);
  padding: 30px 22px 34px;
  margin-bottom: 0;
}

.page-faq .faq-block--help .faq-block__head .kicker {
  color: var(--celadon);
}

.page-faq .faq-block--help .faq-block__head h2 {
  color: var(--paper);
}

.page-faq .faq-block--help .faq-block__head .body-text {
  color: var(--blueprint);
}

.page-faq .faq-contact {
  margin-top: 24px;
  border: 1px solid rgba(199, 213, 222, 0.34);
  display: grid;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "label copy"
    "value copy";
  align-items: center;
  gap: 3px 18px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(199, 213, 222, 0.24);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: none;
}

.page-faq .faq-contact__label {
  grid-area: label;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--celadon);
}

.page-faq .faq-contact__value {
  grid-area: value;
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-contact__row .copy-btn {
  grid-area: copy;
}

.page-faq .faq-tip {
  margin: 18px 0 0;
  color: var(--blueprint);
  max-width: 70ch;
}

.page-faq .faq-tip .link-u {
  color: var(--orange-pale);
}

/* 桌面 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 36px 0 62px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
    margin-top: 32px;
  }

  .page-faq .faq-shell {
    padding-top: 52px;
    padding-bottom: 88px;
  }

  .page-faq .faq-block {
    padding-bottom: 56px;
    margin-bottom: 56px;
  }

  .page-faq .faq-block--help {
    padding: 40px 36px 44px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__list a {
    border-bottom: none;
    border-left: 2px solid var(--blueprint);
    padding: 8px 10px;
  }

  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    border-left-color: var(--orange);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-figure,
  .page-faq .faq-flow-scroll {
    max-width: 880px;
  }

  .page-faq .faq-steps,
  .page-faq .faq-cards {
    max-width: 900px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .faq-card,
  .page-faq .faq-card__chev,
  .page-faq .faq-toc__list a {
    transition: none;
  }
}
</main>