/* ============ 教程答疑 · 页面专属样式（作用域 .page-faq） ============ */

.page-faq {
  --faq-block-gap: 44px;
  --faq-toc-w: 212px;
  padding: 0 0 72px;
}

/* ---------- 页面头 ---------- */
.page-faq .page-faq__intro {
  padding: 6px 0 30px;
}

.page-faq .page-faq__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-faq .page-faq__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(28px, 6.6vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--cream);
  max-width: 22ch;
}

.page-faq .page-faq__lede {
  margin: 0 0 26px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(241, 231, 214, 0.82);
}

.page-faq .page-faq__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-faq .page-faq__fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  background: var(--charcoal);
}

.page-faq .page-faq__fact-num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .page-faq__fact-label {
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--mono-grey);
}

/* ---------- 骨架：目录 + 正文 ---------- */
.page-faq .page-faq__shell {
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-faq .page-faq__toc {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(20, 24, 27, 0.94), rgba(11, 29, 25, 0.94));
  clip-path: var(--cut);
  padding: 16px 14px 14px;
}

.page-faq .page-faq__toc-title {
  margin: 0 0 10px;
  padding-left: 8px;
}

.page-faq .page-faq__toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .page-faq__toc-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  color: var(--mono-grey);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-faq .page-faq__toc-link:hover,
.page-faq .page-faq__toc-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--cyan-a10);
}

.page-faq .page-faq__toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-faq .page-faq__toc-link:hover .page-faq__toc-num,
.page-faq .page-faq__toc-link:focus-visible .page-faq__toc-num {
  color: var(--cyan);
}

.page-faq .page-faq__toc-foot {
  margin: 12px 0 0;
  padding: 10px 8px 0;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .page-faq__content {
  display: grid;
  gap: var(--faq-block-gap);
  min-width: 0;
}

/* ---------- 区块标题 ---------- */
.page-faq .page-faq__block {
  min-width: 0;
  scroll-margin-top: 96px;
}

.page-faq .page-faq__blockhead {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  padding-top: 14px;
  margin-bottom: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .page-faq__blocknum {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .page-faq__blocktitle {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-faq .page-faq__blocknote {
  grid-column: 2;
  margin: 0;
}

.page-faq .page-faq__block:target .page-faq__blocknum {
  color: var(--cyan);
}

.page-faq .page-faq__body {
  margin: 0 0 20px;
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(241, 231, 214, 0.82);
}

.page-faq .page-faq__inlinenum {
  font-family: var(--font-mono);
  color: var(--amber);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .page-faq__footnote {
  margin: 22px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

/* ---------- 步骤条 ---------- */
.page-faq .page-faq__steps {
  counter-reset: faqstep;
  display: grid;
  gap: 14px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-faq .page-faq__step {
  position: relative;
  padding: 18px 18px 16px 58px;
  background: var(--charcoal);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut);
}

.page-faq .page-faq__step::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .page-faq__step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 42px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-a24), rgba(53, 227, 210, 0));
}

.page-faq .page-faq__step-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .page-faq__step-body {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(241, 231, 214, 0.76);
}

.page-faq .page-faq__step-meta {
  margin: 0;
  font-size: 13px;
}

.page-faq .page-faq__step-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a24);
  padding-bottom: 2px;
}

.page-faq .page-faq__step-link:hover,
.page-faq .page-faq__step-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-faq .page-faq__figure {
  margin: 0;
}

.page-faq .page-faq__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .page-faq__figure--wide {
  margin: 22px 0 20px;
}

/* ---------- 六档色阶 ---------- */
.page-faq .page-faq__scale-panel {
  margin: 0 0 6px;
  padding: 18px 16px 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 24, 27, 0.9), rgba(11, 29, 25, 0.9));
  clip-path: var(--cut);
}

.page-faq .page-faq__scale {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .page-faq__band--01 { fill: var(--limit-01); }
.page-faq .page-faq__band--02 { fill: var(--limit-02); }
.page-faq .page-faq__band--03 { fill: var(--limit-03); }
.page-faq .page-faq__band--04 { fill: var(--limit-04); }
.page-faq .page-faq__band--05 { fill: var(--limit-05); }
.page-faq .page-faq__band--06 { fill: var(--limit-06); }

.page-faq .page-faq__band-num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  fill: var(--ink-green);
}

.page-faq .page-faq__band-cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  fill: var(--mono-grey);
}

.page-faq .page-faq__scale-note {
  margin: 10px 0 0;
}

/* ---------- 记录字段表 ---------- */
.page-faq .page-faq__table-wrap {
  margin: 0 0 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--charcoal);
  clip-path: var(--cut);
}

.page-faq .page-faq__table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .page-faq__table caption {
  caption-side: top;
  padding: 14px 16px 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mono-grey);
}

.page-faq .page-faq__table th,
.page-faq .page-faq__table td {
  padding: 11px 16px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line-soft);
}

.page-faq .page-faq__table thead th {
  border-top: 0;
  background: var(--umber);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .page-faq__table tbody th {
  font-weight: 600;
  color: var(--cream);
  white-space: nowrap;
}

.page-faq .page-faq__table tbody td:first-child {
  font-family: var(--font-mono);
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 索引条目列表 ---------- */
.page-faq .page-faq__indexlist {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-faq .page-faq__indexitem {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  background: var(--charcoal);
}

.page-faq .page-faq__indexkey {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .page-faq__indexval {
  font-size: 15px;
  line-height: 1.72;
  color: rgba(241, 231, 214, 0.82);
}

/* ---------- 问答 ---------- */
.page-faq .page-faq__search {
  margin: 0 0 26px;
}

.page-faq .page-faq__faqgroup {
  margin: 0 0 26px;
}

.page-faq .page-faq__faqgroup:last-of-type {
  margin-bottom: 0;
}

.page-faq .page-faq__faqgroup-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .page-faq__faqgroup-tag {
  color: var(--mono-grey);
}

.page-faq .page-faq__qalist {
  display: grid;
  gap: 8px;
}

.page-faq .page-faq__qa {
  background: rgba(20, 24, 27, 0.72);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-sm);
}

.page-faq .page-faq__qa[open] {
  border-color: var(--cyan-a24);
}

.page-faq .page-faq__q {
  position: relative;
  padding: 13px 44px 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--cream);
  transition: color 140ms var(--ease);
}

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

.page-faq .page-faq__q::marker {
  content: "";
}

.page-faq .page-faq__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .page-faq__qa[open] .page-faq__q {
  color: var(--cyan);
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .page-faq__qa[open] .page-faq__q::after {
  content: "\2013";
}

.page-faq .page-faq__q:hover {
  color: var(--cyan);
}

.page-faq .page-faq__a {
  padding: 12px 16px 15px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(241, 231, 214, 0.78);
}

.page-faq .page-faq__a p {
  margin: 0 0 10px;
}

.page-faq .page-faq__a p:last-child {
  margin-bottom: 0;
}

/* ---------- 收尾自助区 ---------- */
.page-faq .page-faq__help {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(42, 33, 28, 0.9), rgba(11, 29, 25, 0.94));
  clip-path: var(--cut);
}

.page-faq .page-faq__help .page-faq__body {
  margin-bottom: 18px;
}

.page-faq .page-faq__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .page-faq__contact {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .page-faq__contact > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-faq .page-faq__contact dt {
  margin: 0;
}

.page-faq .page-faq__contact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-faq .page-faq__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .page-faq__indexitem {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-faq .page-faq__indexkey {
    text-align: right;
  }

  .page-faq .page-faq__contact > div {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

/* ---------- 桌面：吸附目录 + 正文 ---------- */
@media (min-width: 960px) {
  .page-faq {
    --faq-block-gap: 56px;
  }

  .page-faq .page-faq__shell {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: 24px 48px;
    align-items: start;
  }

  .page-faq .page-faq__toc {
    position: sticky;
    top: 92px;
  }

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

  .page-faq .page-faq__steps {
    gap: 16px;
  }

  .page-faq .page-faq__step {
    padding: 20px 22px 18px 64px;
  }

  .page-faq .page-faq__step::before {
    left: 22px;
    top: 21px;
  }

  .page-faq .page-faq__step:not(:last-child)::after {
    left: 27px;
    top: 46px;
  }
}

/* ---------- 动效尊重设置 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .page-faq__toc-link,
  .page-faq .page-faq__q,
  .page-faq .page-faq__step-link {
    transition: none;
  }
}
</main>

/* ============ 教程答疑 · 页面专属样式（作用域 .page-faq） ============ */

.page-faq {
  --faq-block-gap: 44px;
  --faq-toc-w: 212px;
  padding: 0 0 72px;
}

/* ---------- 页面头 ---------- */
.page-faq .page-faq__intro {
  padding: 6px 0 30px;
}

.page-faq .page-faq__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-faq .page-faq__title {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(28px, 6.6vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--cream);
  max-width: 22ch;
}

.page-faq .page-faq__lede {
  margin: 0 0 26px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(241, 231, 214, 0.82);
}

.page-faq .page-faq__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-faq .page-faq__fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  background: var(--charcoal);
}

.page-faq .page-faq__fact-num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .page-faq__fact-label {
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--mono-grey);
}

/* ---------- 骨架：目录 + 正文 ---------- */
.page-faq .page-faq__shell {
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-faq .page-faq__toc {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 24, 27, 0.94), rgba(11, 29, 25, 0.94));
  clip-path: var(--cut);
  padding: 16px 14px 14px;
}

.page-faq .page-faq__toc-title {
  margin: 0 0 10px;
  padding-left: 8px;
}

.page-faq .page-faq__toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .page-faq__toc-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  color: var(--mono-grey);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 140ms var(--ease), border-color 140ms var(--ease), background-color 140ms var(--ease);
}

.page-faq .page-faq__toc-link:hover,
.page-faq .page-faq__toc-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--cyan-a10);
}

.page-faq .page-faq__toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-faq .page-faq__toc-link:hover .page-faq__toc-num,
.page-faq .page-faq__toc-link:focus-visible .page-faq__toc-num {
  color: var(--cyan);
}

.page-faq .page-faq__toc-foot {
  margin: 12px 0 0;
  padding: 10px 8px 0;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .page-faq__content {
  display: grid;
  gap: var(--faq-block-gap);
  min-width: 0;
}

/* ---------- 区块标题 ---------- */
.page-faq .page-faq__block {
  min-width: 0;
  scroll-margin-top: 96px;
}

.page-faq .page-faq__blockhead {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  padding-top: 14px;
  margin-bottom: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .page-faq__blocknum {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .page-faq__blocktitle {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-faq .page-faq__blocknote {
  grid-column: 2;
  margin: 0;
}

.page-faq .page-faq__block:target .page-faq__blocknum {
  color: var(--cyan);
}

.page-faq .page-faq__body {
  margin: 0 0 20px;
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(241, 231, 214, 0.82);
}

.page-faq .page-faq__inlinenum {
  font-family: var(--font-mono);
  color: var(--amber);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .page-faq__footnote {
  margin: 22px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

/* ---------- 步骤条 ---------- */
.page-faq .page-faq__steps {
  counter-reset: faqstep;
  display: grid;
  gap: 14px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-faq .page-faq__step {
  position: relative;
  padding: 18px 18px 16px 58px;
  background: var(--charcoal);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut);
}

.page-faq .page-faq__step::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .page-faq__step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 42px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-a24), rgba(53, 227, 210, 0));
}

.page-faq .page-faq__step-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .page-faq__step-body {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(241, 231, 214, 0.76);
}

.page-faq .page-faq__step-meta {
  margin: 0;
  font-size: 13px;
}

.page-faq .page-faq__step-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a24);
  padding-bottom: 2px;
}

.page-faq .page-faq__step-link:hover,
.page-faq .page-faq__step-link:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-faq .page-faq__figure {
  margin: 0;
}

.page-faq .page-faq__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .page-faq__figure--wide {
  margin: 22px 0 20px;
}

/* ---------- 六档色阶 ---------- */
.page-faq .page-faq__scale-panel {
  margin: 0 0 6px;
  padding: 18px 16px 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 24, 27, 0.9), rgba(11, 29, 25, 0.9));
  clip-path: var(--cut);
}

.page-faq .page-faq__scale {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .page-faq__band--01 { fill: var(--limit-01); }
.page-faq .page-faq__band--02 { fill: var(--limit-02); }
.page-faq .page-faq__band--03 { fill: var(--limit-03); }
.page-faq .page-faq__band--04 { fill: var(--limit-04); }
.page-faq .page-faq__band--05 { fill: var(--limit-05); }
.page-faq .page-faq__band--06 { fill: var(--limit-06); }

.page-faq .page-faq__band-num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  fill: var(--ink-green);
}

.page-faq .page-faq__band-cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  fill: var(--mono-grey);
}

.page-faq .page-faq__scale-note {
  margin: 10px 0 0;
}

/* ---------- 记录字段表 ---------- */
.page-faq .page-faq__table-wrap {
  margin: 0 0 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--charcoal);
  clip-path: var(--cut);
}

.page-faq .page-faq__table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .page-faq__table caption {
  caption-side: top;
  padding: 14px 16px 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mono-grey);
}

.page-faq .page-faq__table th,
.page-faq .page-faq__table td {
  padding: 11px 16px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line-soft);
}

.page-faq .page-faq__table thead th {
  border-top: 0;
  background: var(--umber);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .page-faq__table tbody th {
  font-weight: 600;
  color: var(--cream);
  white-space: nowrap;
}

.page-faq .page-faq__table tbody td:first-child {
  font-family: var(--font-mono);
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 索引条目列表 ---------- */
.page-faq .page-faq__indexlist {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-faq .page-faq__indexitem {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  background: var(--charcoal);
}

.page-faq .page-faq__indexkey {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .page-faq__indexval {
  font-size: 15px;
  line-height: 1.72;
  color: rgba(241, 231, 214, 0.82);
}

/* ---------- 问答 ---------- */
.page-faq .page-faq__search {
  margin: 0 0 26px;
}

.page-faq .page-faq__faqgroup {
  margin: 0 0 26px;
}

.page-faq .page-faq__faqgroup:last-of-type {
  margin-bottom: 0;
}

.page-faq .page-faq__faqgroup-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .page-faq__faqgroup-tag {
  color: var(--mono-grey);
}

.page-faq .page-faq__qalist {
  display: grid;
  gap: 8px;
}

.page-faq .page-faq__qa {
  background: rgba(20, 24, 27, 0.72);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-sm);
}

.page-faq .page-faq__qa[open] {
  border-color: var(--cyan-a24);
}

.page-faq .page-faq__q {
  position: relative;
  padding: 13px 44px 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--cream);
  transition: color 140ms var(--ease);
}

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

.page-faq .page-faq__q::marker {
  content: "";
}

.page-faq .page-faq__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .page-faq__qa[open] .page-faq__q {
  color: var(--cyan);
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .page-faq__qa[open] .page-faq__q::after {
  content: "\2013";
}

.page-faq .page-faq__q:hover {
  color: var(--cyan);
}

.page-faq .page-faq__a {
  padding: 12px 16px 15px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(241, 231, 214, 0.78);
}

.page-faq .page-faq__a p {
  margin: 0 0 10px;
}

.page-faq .page-faq__a p:last-child {
  margin-bottom: 0;
}

/* ---------- 收尾自助区 ---------- */
.page-faq .page-faq__help {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(42, 33, 28, 0.9), rgba(11, 29, 25, 0.94));
  clip-path: var(--cut);
}

.page-faq .page-faq__help .page-faq__body {
  margin-bottom: 18px;
}

.page-faq .page-faq__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .page-faq__contact {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .page-faq__contact > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-faq .page-faq__contact dt {
  margin: 0;
}

.page-faq .page-faq__contact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-faq .page-faq__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .page-faq__indexitem {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-faq .page-faq__indexkey {
    text-align: right;
  }

  .page-faq .page-faq__contact > div {
    grid-template-columns: 96px minmax(0, 1fr);
  }
}

/* ---------- 桌面：吸附目录 + 正文 ---------- */
@media (min-width: 960px) {
  .page-faq {
    --faq-block-gap: 56px;
  }

  .page-faq .page-faq__shell {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: 24px 48px;
    align-items: start;
  }

  .page-faq .page-faq__toc {
    position: sticky;
    top: 92px;
  }

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

  .page-faq .page-faq__steps {
    gap: 16px;
  }

  .page-faq .page-faq__step {
    padding: 20px 22px 18px 64px;
  }

  .page-faq .page-faq__step::before {
    left: 22px;
    top: 21px;
  }

  .page-faq .page-faq__step:not(:last-child)::after {
    left: 27px;
    top: 46px;
  }
}

/* ---------- 动效尊重设置 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .page-faq__toc-link,
  .page-faq .page-faq__q,
  .page-faq .page-faq__step-link {
    transition: none;
  }
}