.page-faq {
  --faq-paper-muted: #4C5C55;
  --faq-hair: 1px solid var(--line);
  display: block;
  padding-bottom: clamp(48px, 8vw, 104px);
  overflow-x: clip;
}

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

.page-faq .faq-topbar {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(8px, 1.6vw, 16px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(20px, 3.6vw, 48px);
  padding-bottom: clamp(34px, 5vw, 72px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--gutter) * -1) 0 calc(var(--gutter) * -1);
  background-image:
    repeating-linear-gradient(90deg, rgba(30, 74, 60, 0.55) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(30, 74, 60, 0.35) 0 1px, transparent 1px 96px);
  pointer-events: none;
  z-index: 0;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 48px);
  align-items: start;
}

.page-faq .faq-hero__lede h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 12px 0 0;
  max-width: 15em;
}

.page-faq .faq-hero__intro {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 32em;
  color: var(--fog);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: var(--faq-hair);
  background: var(--ink-2);
}

.page-faq .faq-hero__figure .figure__img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-faq .faq-hero__figure .figure__caption {
  display: block;
  padding: 10px 14px;
  border-top: var(--faq-hair);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fog);
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: clamp(32px, 4.4vw, 64px);
  }
  .page-faq .faq-hero__figure {
    margin-top: clamp(8px, 2vw, 28px);
  }
}

/* ---------- 快速入口 ---------- */
.page-faq .faq-quick {
  border-top: 2px solid var(--gold);
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(30px, 4.6vw, 60px);
}

.page-faq .faq-quick__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.15;
  color: var(--white);
  margin: 10px 0 0;
  letter-spacing: -0.01em;
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-faq .faq-quick__item a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc"
    "num go";
  column-gap: 14px;
  align-items: start;
  padding: clamp(16px, 2.2vw, 22px) 0 clamp(14px, 2vw, 18px);
  border-top: var(--faq-hair);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-quick__num {
  grid-area: num;
  color: var(--gold);
  font-size: 12px;
  padding-top: 4px;
  letter-spacing: 0.1em;
}

.page-faq .faq-quick__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 23px);
  color: var(--white);
  line-height: 1.25;
}

.page-faq .faq-quick__desc {
  grid-area: desc;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
  max-width: 30em;
}

.page-faq .faq-quick__go {
  grid-area: go;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-quick__item a:hover,
.page-faq .faq-quick__item a:focus-visible {
  border-top-color: var(--gold);
  background: linear-gradient(90deg, rgba(232, 180, 74, 0.07), transparent 70%);
  outline: none;
}

.page-faq .faq-quick__item a:hover .faq-quick__go,
.page-faq .faq-quick__item a:focus-visible .faq-quick__go {
  opacity: 1;
  transform: translateX(0);
}

.page-faq .faq-quick__item a:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 4px;
}

@media (min-width: 760px) {
  .page-faq .faq-quick__list {
    grid-template-columns: 1.25fr 1fr 1.15fr 0.9fr;
    column-gap: clamp(16px, 2.4vw, 30px);
  }
  .page-faq .faq-quick__item a {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "num"
      "title"
      "desc"
      "go";
    height: 100%;
    padding-right: 6px;
  }
  .page-faq .faq-quick__num {
    padding-top: 0;
  }
  .page-faq .faq-quick__title {
    margin-top: 10px;
  }
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  border-top: var(--faq-hair);
  padding-top: clamp(26px, 4vw, 52px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0 11px 12px;
  border-left: 2px solid var(--line);
  text-decoration: none;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-faq .faq-index__list .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--white);
  border-left-color: var(--gold);
  background: rgba(232, 180, 74, 0.06);
  outline: none;
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 2px;
}

.page-faq .faq-index__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding-top: 16px;
  border-top: var(--faq-hair);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-faq .faq-index__note .mono {
  color: var(--gold-soft);
  font-size: 14px;
  letter-spacing: 0.06em;
}

@media (min-width: 940px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(36px, 4.6vw, 72px);
  }
  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

/* ---------- 问题组 ---------- */
.page-faq .faq-group {
  border-top: 2px solid var(--line);
  padding-top: clamp(18px, 2.6vw, 28px);
  margin-bottom: clamp(38px, 5vw, 64px);
  scroll-margin-top: 104px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 1.8vw, 20px);
}

.page-faq .faq-group__num {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0;
}

.page-faq .faq-group__head p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
  max-width: 32em;
}

.page-faq .qa-list {
  margin-top: clamp(14px, 2vw, 22px);
  border-top: var(--faq-hair);
}

.page-faq .qa {
  border-bottom: var(--faq-hair);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(14px, 1.9vw, 18px) 0;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  transition: color 0.16s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--gold-soft);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.page-faq .qa__dot {
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  background: var(--line);
  transition: background-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .qa[open] .qa__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(92, 225, 230, 0.16);
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__icon {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  margin-left: auto;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--gold);
  transform: translateY(-50%);
}

.page-faq .qa__icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 0.18s var(--ease);
}

.page-faq .qa[open] .qa__icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .qa__a {
  padding: 0 0 20px 18px;
  max-width: 36em;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

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

.page-faq .qa__a a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.16s var(--ease);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 安装四步 ---------- */
.page-faq .faq-steps {
  margin: clamp(18px, 2.6vw, 28px) 0 clamp(22px, 3vw, 32px);
  padding: clamp(18px, 2.6vw, 32px);
  background: var(--paper);
  color: var(--ink);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-steps__figure {
  margin: 0;
  border: 1px solid rgba(7, 26, 22, 0.18);
}

.page-faq .faq-steps__figure .figure__img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-steps__figure .figure__caption {
  display: block;
  padding: 8px 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--faq-paper-muted);
  border-top: 1px solid rgba(7, 26, 22, 0.14);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px) clamp(12px, 1.8vw, 20px);
  align-content: start;
}

.page-faq .faq-steps__list li {
  display: grid;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid rgba(7, 26, 22, 0.22);
}

.page-faq .faq-steps__num {
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.page-faq .faq-steps__list strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-faq .faq-steps__list p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-paper-muted);
}

@media (min-width: 800px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 底部支持 ---------- */
.page-faq .faq-support {
  margin-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 48px);
  padding-top: clamp(22px, 3vw, 36px);
  border-top: 2px solid var(--gold);
}

.page-faq .faq-support__lede h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 10px 0 0;
}

.page-faq .faq-support__lede p {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-support__contact {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-content: start;
}

.page-faq .faq-support__contact > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-top: var(--faq-hair);
}

.page-faq .faq-support__contact > div:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-support__contact dt {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fog);
  text-transform: uppercase;
}

.page-faq .faq-support__contact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-support__contact dd.mono {
  color: var(--gold-soft);
  letter-spacing: 0.04em;
}

@media (min-width: 800px) {
  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 4.4vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__item a,
  .page-faq .faq-quick__go,
  .page-faq .qa__icon::after,
  .page-faq .qa__dot,
  .page-faq .qa__q,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<END>>>