.page-faq {
  --faq-rail: 92px;
}

.page-faq .page-head {
  padding-top: 34px;
  padding-bottom: 6px;
}

.page-faq h1.page-head__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.24;
  color: var(--ink);
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-faq .page-head__sub {
  margin-top: 18px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
}

/* 目录条 */
.page-faq .tut-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 9px;
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .tut-index__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
  margin-right: 4px;
}

.page-faq .tut-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--ink);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--paper-2);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .tut-index__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-faq .tut-index__link:hover,
.page-faq .tut-index__link:focus-visible {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  transform: translateY(-2px);
}

.page-faq .tut-index__link:hover .mono,
.page-faq .tut-index__link:focus-visible .mono {
  color: var(--cinnabar);
}

/* 章节与节奏带 */
.page-faq .tut-section {
  padding: 44px 0 8px;
}

.page-faq .tut-section--last {
  padding-bottom: 56px;
}

.page-faq .tut-band {
  height: 2px;
  margin: 34px 0 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-soft) 42%, rgba(201, 162, 39, 0) 100%);
}

/* 步骤骨架 */
.page-faq .tut-step {
  display: grid;
  gap: 18px;
}

.page-faq .tut-step__rail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .tut-step__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-faq .tut-step__line {
  flex: 1 1 auto;
  height: 2px;
  min-width: 40px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft) 60%, rgba(201, 162, 39, 0) 100%);
}

.page-faq .tut-step__body {
  min-width: 0;
}

.page-faq .tut-step__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 26px;
  line-height: 1.26;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-faq .tut-step__body .lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
  margin: 0 0 22px;
  max-width: 60ch;
}

/* 折叠步骤 */
.page-faq .tut-task {
  border-top: 1px solid var(--line-soft);
  padding: 16px 0;
}

.page-faq .tut-task:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .tut-task .fold__head {
  cursor: pointer;
  padding: 4px 0;
  display: block;
}

.page-faq .tut-task__k {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
  margin-right: 12px;
  vertical-align: 2px;
}

.page-faq .tut-task__h {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .tut-task .fold__body {
  padding: 10px 0 4px;
}

.page-faq .tut-task .fold__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 60ch;
}

.page-faq .tut-task__outcome {
  margin-top: 12px !important;
  padding-left: 14px;
  border-left: 3px solid var(--gold-soft);
  font-size: 14.5px !important;
  color: var(--rock) !important;
}

/* 原因 / 情况条目 */
.page-faq .tut-reasons {
  display: grid;
  gap: 16px;
  padding-bottom: 6px;
}

.page-faq .tut-reason {
  border-left: 3px solid var(--line-soft);
  padding: 2px 0 2px 16px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-faq .tut-reason:hover {
  border-color: var(--cinnabar);
  transform: translateX(3px);
}

.page-faq .tut-reason__h {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-faq .tut-reason__p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
  max-width: 58ch;
}

.page-faq .tut-subhead {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
  margin: 30px 0 0;
}

/* 检索对照 */
.page-faq .search-demo {
  margin-top: 28px;
  padding: 18px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-organic);
}

.page-faq .search-demo__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--rock);
  margin: 0 0 12px;
}

.page-faq .search-demo__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
}

.page-faq .search-demo__row + .search-demo__row {
  margin-top: 10px;
}

.page-faq .search-demo__row--hit {
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 2px rgba(183, 58, 46, 0.14);
}

.page-faq .search-demo__field {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .search-demo__state {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--rock);
  white-space: nowrap;
}

.page-faq .search-demo__row--hit .search-demo__state {
  color: var(--cinnabar);
}

.page-faq .search-demo mark.hl {
  background: var(--hl);
  color: var(--ink);
  padding: 0 3px;
  border-radius: 3px;
}

/* 图 */
.page-faq .tut-fig {
  margin: 30px 0 0;
}

.page-faq .tut-fig .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-soft);
}

.page-faq .tut-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .tut-fig .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--rock);
}

/* 顺序清单 */
.page-faq .tut-order {
  list-style: none;
  counter-reset: ord;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .tut-order > li {
  counter-increment: ord;
  position: relative;
  padding-left: 48px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 60ch;
}

.page-faq .tut-order > li::before {
  content: counter(ord, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 32px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold-soft);
}

/* 兼容提示项 */
.page-faq .compat-list {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.page-faq .compat-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 14px 16px;
  background: var(--paper-2);
  border: 1px dashed var(--line);
  border-radius: var(--radius-s);
}

.page-faq .compat-item__k {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--deep);
  background: var(--cream);
  border-radius: 3px;
  padding: 4px 9px;
}

.page-faq .compat-item__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

/* 邮件草稿 */
.page-faq .mail-draft {
  margin-top: 24px;
  padding: 20px;
  background: var(--deep);
  border-left: 6px solid var(--gold);
  border-radius: var(--radius-organic);
}

.page-faq .mail-draft__row {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2;
}

.page-faq .mail-draft__k {
  color: var(--gold);
  flex: 0 0 auto;
}

.page-faq .mail-draft__v {
  color: var(--paper);
  word-break: break-word;
}

.page-faq .tut-note {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--rock);
  max-width: 60ch;
}

.page-faq .tut-note .mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-faq .tut-cta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 结尾 */
.page-faq .tut-outro {
  margin-top: 24px;
  padding: 42px 0 56px;
  background: var(--paper-2);
  border-top: 1px solid var(--line-soft);
}

.page-faq .tut-outro__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-faq .tut-outro__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--rock);
  max-width: 52ch;
}

/* 窄屏微调 */
@media (max-width: 520px) {
  .page-faq h1.page-head__title {
    font-size: 26px;
  }

  .page-faq .tut-step__num {
    font-size: 26px;
  }

  .page-faq .tut-step__title {
    font-size: 22px;
  }

  .page-faq .tut-reason:hover,
  .page-faq .tut-index__link:hover {
    transform: none;
  }
}

/* 桌面栅格 */
@media (min-width: 860px) {
  .page-faq .page-head {
    padding-top: 56px;
  }

  .page-faq h1.page-head__title {
    font-size: 44px;
    max-width: 18ch;
  }

  .page-faq .page-head__sub {
    font-size: 17px;
  }

  .page-faq .tut-section {
    padding: 68px 0 12px;
  }

  .page-faq .tut-section--last {
    padding-bottom: 76px;
  }

  .page-faq .tut-band {
    margin-top: 44px;
  }

  .page-faq .tut-step {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    column-gap: 48px;
  }

  .page-faq .tut-step__rail {
    flex-direction: column;
    align-items: flex-start;
    align-self: stretch;
    gap: 0;
  }

  .page-faq .tut-step__num {
    font-size: 44px;
  }

  .page-faq .tut-step__line {
    width: 2px;
    height: auto;
    min-width: 0;
    min-height: 40px;
    flex: 1 1 auto;
    margin-top: 16px;
    background: linear-gradient(180deg, var(--gold) 0%, var(--gold-soft) 58%, rgba(201, 162, 39, 0) 100%);
  }

  .page-faq .tut-step__title {
    font-size: 34px;
  }

  .page-faq .tut-step__body .lead {
    font-size: 17px;
  }

  .page-faq .tut-task__h {
    font-size: 20px;
  }

  .page-faq .tut-reasons {
    grid-template-columns: minmax(0, 1fr);
    max-width: 74ch;
    gap: 20px;
  }

  .page-faq .compat-item {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .tut-order {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

/* 动效收敛 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-index__link,
  .page-faq .tut-reason {
    transition: none;
  }

  .page-faq .tut-index__link:hover,
  .page-faq .tut-index__link:focus-visible,
  .page-faq .tut-reason:hover {
    transform: none;
  }
}