.page-faq {
  padding-bottom: clamp(4.5rem, 9vw, 7.5rem);
  color: var(--body-ink);
}

.page-faq .section + .section {
  margin-top: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.6rem, 4vw, 3rem) clamp(1.1rem, 3vw, 2.5rem);
  border: 1px solid var(--grid);
  background:
    linear-gradient(135deg, rgba(10, 23, 48, .94), rgba(5, 11, 26, .96)),
    linear-gradient(90deg, var(--cyan-a08), transparent 62%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -8%;
  width: 38%;
  height: 168%;
  background: linear-gradient(180deg, transparent, var(--violet-a12) 45%, transparent);
  border-left: 1px solid var(--grid);
  transform: skewX(-14deg);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-eyebrow {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: .7rem 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-lede {
  margin: 1.1rem 0 0;
  max-width: 60ch;
  font-size: clamp(.95rem, 1.5vw, 1.05rem);
  line-height: 1.85;
  color: var(--body-ink);
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 步骤条 ---------- */

.page-faq .faq-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(9.5rem, 1fr);
  gap: var(--gap);
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  padding: 0 0 .4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__item {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  height: 100%;
  padding: .85rem .95rem 1rem;
  border: 1px solid var(--grid);
  background: transparent;
  color: var(--body-ink);
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

.page-faq .faq-rail__item:hover,
.page-faq .faq-rail__item:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-a08);
  color: var(--ink);
}

.page-faq .faq-rail__item--start {
  border-color: var(--cyan-a34);
  background: var(--cyan-a08);
}

.page-faq .faq-rail__num {
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-rail__label {
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(1.75rem, 3.5vw, 2.75rem);
  border: 1px solid var(--grid);
}

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

.page-faq .faq-figure--inner {
  margin: 0;
}

/* ---------- 步骤详情 + 小目录 ---------- */

.page-faq .faq-detail {
  align-items: start;
}

.page-faq .faq-step {
  position: relative;
  padding: clamp(1.05rem, 2.4vw, 1.7rem) clamp(1.05rem, 2.4vw, 1.8rem);
  margin-bottom: var(--gap);
  border: 1px solid var(--grid);
  background: var(--console);
  scroll-margin-top: 6rem;
  transition: border-color .2s ease;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--steel);
  transition: background-color .25s ease;
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-within {
  border-color: var(--cyan-a34);
}

.page-faq .faq-step:hover::before,
.page-faq .faq-step:focus-within::before {
  background: var(--cyan);
}

.page-faq .faq-step__num {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--violet-soft);
}

.page-faq .faq-step__title {
  margin: .45rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-step__lead {
  margin: .6rem 0 0;
  max-width: 46ch;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-actions {
  counter-reset: faq-act;
  display: grid;
  gap: .6rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-actions li {
  counter-increment: faq-act;
  position: relative;
  padding-left: 2.1rem;
  font-size: .94rem;
  line-height: 1.8;
}

.page-faq .faq-actions li::before {
  content: counter(faq-act, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .2em;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-toc {
  position: sticky;
  top: 2rem;
  padding: clamp(1rem, 2.2vw, 1.4rem);
  border: 1px solid var(--grid);
  background: linear-gradient(180deg, rgba(10, 23, 48, .8), rgba(5, 11, 26, .8));
}

.page-faq .faq-toc__title {
  margin: 0 0 .4rem;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .1rem;
}

.page-faq .faq-toc__list--sub {
  margin-bottom: 0;
}

.page-faq .faq-toc__list a {
  display: block;
  padding: .5rem .6rem;
  border-left: 2px solid var(--grid);
  font-size: .88rem;
  line-height: 1.5;
  color: var(--body-ink);
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-left-color: var(--cyan);
  background: var(--cyan-a08);
  color: var(--ink);
}

/* ---------- 版本号 ---------- */

.page-faq .faq-version__grid {
  margin-bottom: var(--gap);
  align-items: start;
}

.page-faq .faq-version__code {
  display: flex;
  align-items: flex-end;
  gap: .4rem;
  padding: clamp(1.1rem, 3vw, 1.8rem);
  border: 1px solid var(--grid);
  background: linear-gradient(140deg, var(--violet-a12), rgba(5, 11, 26, .5) 62%);
}

.page-faq .faq-version__part {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.page-faq .faq-version__part em {
  font-style: normal;
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-version__part span {
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .faq-version__dot {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.1;
  color: var(--steel);
}

.page-faq .faq-version__note {
  margin: 1.1rem 0 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--body-ink);
}

.page-faq .faq-subhead {
  margin: 0 0 .8rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--violet-soft);
}

.page-faq .faq-check {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .1rem;
}

.page-faq .faq-check li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .7rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--grid);
  font-size: .93rem;
  line-height: 1.78;
}

.page-faq .faq-check li .mono {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: .3em;
}

.page-faq .faq-check--tight li {
  padding: .7rem 0;
}

.page-faq .faq-warn {
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border: 1px solid var(--grid);
  border-left: 2px solid var(--amber);
  background: var(--amber-a12);
}

.page-faq .faq-warn h3 {
  margin: 0 0 .7rem;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-faq .faq-warn ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-faq .faq-warn li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--body-ink);
}

.page-faq .faq-warn li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: .5rem;
  height: 1px;
  background: var(--amber);
}

/* ---------- 分类标签 ---------- */

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

.page-faq .faq-tags li {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .9rem 1rem;
  background: var(--void);
  transition: background-color .18s ease;
}

.page-faq .faq-tags li:hover {
  background: var(--cyan-a08);
}

.page-faq .faq-tags .mono {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-tags b {
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-tags__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: clamp(1.25rem, 2.6vw, 1.9rem);
}

.page-faq .faq-tags__foot p {
  flex: 1 1 22rem;
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--body-ink);
}

/* ---------- 常见问题手风琴 ---------- */

.page-faq .faq-qa {
  border-top: 1px solid var(--grid);
}

.page-faq .faq-qa__item {
  position: relative;
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-qa__item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--steel);
  transition: background-color .25s ease;
}

.page-faq .faq-qa__item[open]::before,
.page-faq .faq-qa__item:hover::before {
  background: var(--cyan);
}

.page-faq .faq-qa__item summary {
  display: grid;
  grid-template-columns: 2.6rem 1fr 1.2rem;
  align-items: baseline;
  gap: .75rem;
  padding: 1.05rem .6rem 1.05rem .9rem;
  cursor: pointer;
  list-style: none;
  transition: background-color .18s ease;
}

.page-faq .faq-qa__item summary:hover {
  background: var(--cyan-a08);
}

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

.page-faq .faq-qa__item summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-faq .faq-qa__num {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-faq .faq-qa__item[open] .faq-qa__num {
  color: var(--cyan);
}

.page-faq .faq-qa__q {
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
}

.page-faq .faq-qa__mark {
  justify-self: end;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--cyan);
}

.page-faq .faq-qa__mark::before {
  content: "+";
}

.page-faq .faq-qa__item[open] .faq-qa__mark::before {
  content: "\2212";
}

.page-faq .faq-qa__body {
  padding: 0 1.2rem 1.15rem 4.25rem;
}

.page-faq .faq-qa__body p {
  margin: 0;
  max-width: 56ch;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--body-ink);
}

/* ---------- 求助 ---------- */

.page-faq .faq-help {
  display: grid;
  gap: var(--gap);
}

.page-faq .faq-help__panel,
.page-faq .faq-help__side {
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
  border: 1px solid var(--grid);
  background: var(--console);
}

.page-faq .faq-help__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: linear-gradient(160deg, var(--cyan-a08), rgba(5, 11, 26, .6) 70%);
}

.page-faq .faq-help__meta {
  margin: 1.1rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-contact {
  display: grid;
  gap: .8rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  width: 100%;
}

.page-faq .faq-contact li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: .7rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--grid);
  font-size: .9rem;
  line-height: 1.75;
}

.page-faq .faq-contact li .mono {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--muted);
  padding-top: .25em;
}

.page-faq .faq-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a34);
  transition: border-color .18s ease, color .18s ease;
}

.page-faq .faq-contact a:hover,
.page-faq .faq-contact a:focus-visible {
  color: var(--cyan-bright);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-footnote {
  margin: clamp(1.6rem, 3vw, 2.4rem) 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--grid);
  max-width: 68ch;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

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

  .page-faq .faq-hero::after {
    width: 30%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
  }

  .page-faq .faq-help {
    grid-template-columns: 1.45fr 1fr;
  }

  .page-faq .faq-qa__body {
    padding-right: 3rem;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-tags {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 899px) {
  .page-faq .faq-toc {
    position: static;
    margin-top: var(--gap);
  }

  .page-faq .faq-step {
    scroll-margin-top: 3rem;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-qa__item summary {
    grid-template-columns: 2.4rem 1fr 1rem;
    gap: .55rem;
    padding-left: .75rem;
  }

  .page-faq .faq-qa__body {
    padding: 0 1rem 1.05rem 3.75rem;
  }

  .page-faq .faq-tags__foot .btn {
    width: 100%;
    text-align: center;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>