.page-faq {
  --faq-line-gold: rgba(233, 206, 122, 0.38);
  --faq-card-grad: linear-gradient(180deg, rgba(20, 58, 48, 0.9) 0%, rgba(15, 42, 35, 0.86) 100%);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3.5vw, 30px) 0 clamp(30px, 5vw, 52px);
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(20, 58, 48, 0.95) 0%, rgba(10, 27, 23, 0) 62%),
    radial-gradient(80% 70% at 96% 4%, rgba(201, 162, 39, 0.18) 0%, rgba(10, 27, 23, 0) 70%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(20px, 4vw, 40px);
}

.page-faq .faq-hero__kicker {
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-stats {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
}

.page-faq .faq-stats li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-right: 32px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-stats li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-stats .t-mono {
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--gild);
  line-height: 1;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(15, 42, 35, 0.65);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--gild);
  border-color: var(--faq-line-gold);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec {
  padding: clamp(38px, 6vw, 68px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-sec--last {
  border-bottom: 0;
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-faq .faq-sec .sec-head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-sub {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--gild);
  letter-spacing: 0.01em;
}

/* ---------- 四步 ---------- */
.page-faq .faq-steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  background: var(--faq-card-grad);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 16px 2px 20px;
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--volt) 0%, rgba(108, 156, 255, 0) 100%);
}

.page-faq .faq-step[open],
.page-faq .faq-step:hover {
  border-color: var(--faq-line-gold);
}

.page-faq .faq-step__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding-bottom: 14px;
}

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

.page-faq .faq-step__head::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
  color: var(--volt);
}

.page-faq .faq-step[open] .faq-step__head::after {
  content: "–";
}

.page-faq .faq-step__num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--faq-line-gold);
  background: rgba(10, 27, 23, 0.7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gild);
}

.page-faq .faq-step__title {
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text);
  padding-top: 6px;
}

.page-faq .faq-step__body {
  padding: 0 6px 16px 46px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-faq .faq-step__body p {
  margin: 0;
}

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

.page-faq .faq-steps-figure .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-faq .faq-steps-figure .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 适用条件 ---------- */
.page-faq .faq-cond-grid {
  row-gap: clamp(28px, 4vw, 44px);
}

.page-faq .faq-cond-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-cond-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-cond-list__n {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 12.5px;
  padding-top: 3px;
  letter-spacing: 0.1em;
}

.page-faq .faq-highlight {
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-highlight p {
  margin: 0;
}

.page-faq .faq-myths {
  margin: 0;
}

.page-faq .faq-myth {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-myth:first-child {
  padding-top: 0;
}

.page-faq .faq-myth dt {
  position: relative;
  padding-left: 16px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .faq-myth dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--ruby);
}

.page-faq .faq-myth dd {
  margin: 7px 0 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 问答墙 ---------- */
.page-faq .faq-banner {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-banner .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-fbtn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(20, 58, 48, 0.6);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-fbtn:hover {
  color: var(--text);
  border-color: var(--faq-line-gold);
}

.page-faq .faq-fbtn:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

.page-faq .faq-fbtn[aria-pressed="true"] {
  background: var(--gild);
  border-color: var(--gild);
  color: var(--ink);
  font-weight: 600;
}

.page-faq .faq-fbtn[aria-pressed="true"] .faq-fbtn__n {
  color: rgba(10, 27, 23, 0.72);
}

.page-faq .faq-fbtn__n {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-fcount {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-fcount .t-mono {
  color: var(--gild);
  font-size: 14px;
}

.page-faq .qa-wall {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--faq-card-grad);
  overflow: hidden;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--faq-line-gold);
}

.page-faq .qa[open] {
  border-color: var(--faq-line-gold);
}

.page-faq .qa__head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -2px;
}

.page-faq .qa__tag {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--ruby);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.page-faq .qa__q {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .qa[open] .qa__q {
  color: var(--gild);
}

.page-faq .qa__body {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .qa__body p {
  margin: 0;
}

.page-faq .faq-empty {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 固定分类用户 ---------- */
.page-faq .faq-vendor-grid {
  row-gap: clamp(24px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-panel {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(20, 58, 48, 0.92) 0%, rgba(15, 42, 35, 0.86) 100%);
}

.page-faq .faq-panel p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

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

.page-faq .faq-taglist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-taglist li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.6;
}

.page-faq .faq-taglist .t-mono {
  min-width: 2.4em;
  color: var(--gild);
  font-size: 18px;
}

/* ---------- 版本 ---------- */
.page-faq .faq-version-grid {
  row-gap: clamp(26px, 4vw, 42px);
  align-items: start;
}

.page-faq .faq-version-grid p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px !important;
}

.page-faq .faq-vers {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-vers li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "year tag"
    "desc desc";
  gap: 8px 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-vers__year {
  grid-area: year;
  color: var(--gild);
  font-size: 16px;
  letter-spacing: 0.06em;
}

.page-faq .faq-vers__dash {
  color: var(--muted);
  padding: 0 2px;
}

.page-faq .faq-vers__desc {
  grid-area: desc;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-vers__tag {
  grid-area: tag;
  align-self: start;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border-radius: 6px;
}

/* ---------- 支持 ---------- */
.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--faq-line-gold);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(20, 58, 48, 0.96) 0%, rgba(10, 27, 23, 0.92) 100%);
}

.page-faq .faq-support__lead {
  margin: 0 0 20px;
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-support__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-support__key {
  flex: 0 0 auto;
  min-width: 5em;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-support__val {
  color: var(--gild);
  font-size: 14.5px;
  word-break: break-word;
}

.page-faq .faq-support__note {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }

  .page-faq .qa-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-steps-figure {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1100px) {
  .page-faq .qa-wall {
    gap: 16px 20px;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-stats li {
    border-right: 0;
    padding-right: 0;
  }

  .page-faq .faq-step__body {
    padding-left: 0;
  }

  .page-faq .faq-fcount {
    margin-left: 0;
  }

  .page-faq .faq-fbtn {
    padding: 8px 12px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-step,
  .page-faq .qa,
  .page-faq .faq-fbtn {
    transition: none;
  }
}