.page-faq {
  --faq-gap: clamp(1rem, 3vw, 1.75rem);
  --faq-pad: clamp(1.75rem, 5vw, 3.4rem);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .breadcrumbs {
  padding-top: 1.1rem;
  padding-bottom: .4rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--faq-pad) 0 calc(var(--faq-pad) * 1.05);
  background: linear-gradient(180deg, var(--ink-2), var(--ink) 88%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -28%;
  width: 72%;
  height: 142%;
  background: linear-gradient(140deg, rgba(0, 230, 184, .18), rgba(0, 230, 184, .03) 55%, transparent 74%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 230, 184, .08) 72%, transparent);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: .55rem 0 0;
  max-width: 19ch;
  color: var(--text);
}

.page-faq .faq-hero .lede {
  margin: 1rem 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.78;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  background: rgba(10, 51, 40, .74);
  padding: 1rem 1.1rem 1.15rem;
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-index__title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .8rem;
  padding: .38rem 0;
  font-size: .88rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed rgba(42, 90, 74, .9);
  transition: color var(--ease), border-color var(--ease), padding-left var(--ease);
}

.page-faq .faq-index a .mono {
  font-size: .74rem;
  color: var(--cyan);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan);
  padding-left: .3rem;
}

.page-faq .faq-index a:focus-visible,
.page-faq .faq-chips a:focus-visible,
.page-faq .qa summary:focus-visible,
.page-faq .faq-help a:focus-visible,
.page-faq .faq-help button:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

/* ---------- 分类索引条 ---------- */
.page-faq .faq-chips {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-chips__inner {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding: .85rem 0;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-chips a {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  padding: .45rem .85rem;
  color: var(--cyan-soft);
  text-decoration: none;
  background: rgba(0, 230, 184, .05);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-faq .faq-chips a:hover {
  background: var(--cyan);
  color: var(--ink);
  border-color: var(--cyan);
}

/* ---------- 分组章节 ---------- */
.page-faq .faq-groups {
  padding-bottom: calc(var(--faq-pad) * .5);
}

.page-faq .faq-group {
  padding: calc(var(--faq-pad) * .82) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 5.5rem;
}

.page-faq .faq-group--tint {
  background: linear-gradient(180deg, rgba(10, 51, 40, .95), rgba(4, 35, 27, .3));
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .35rem 1rem;
  align-items: baseline;
  margin-bottom: 1.3rem;
  padding-left: .9rem;
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-group__head .tag {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: .5rem;
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 0;
  color: var(--text);
}

.page-faq .faq-group__note {
  margin: .4rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: .55rem;
}

.page-faq .qa {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 74, 57, .34), rgba(10, 51, 40, .58));
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-faq .qa:hover {
  border-color: #3b7b64;
  transform: translateY(-2px);
}

.page-faq .qa[open] {
  border-color: var(--grass);
  box-shadow: inset 3px 0 0 0 var(--cyan);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .7rem;
  align-items: center;
  padding: .85rem .9rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__no {
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .qa__q {
  font-size: .97rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  transition: color var(--ease);
}

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

.page-faq .qa__sign {
  position: relative;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line);
  flex: 0 0 auto;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--ease), opacity var(--ease);
}

.page-faq .qa__sign::before {
  left: 3px;
  right: 3px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .qa__sign::after {
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.page-faq .qa__body {
  margin: 0 .9rem .95rem;
  padding-top: .8rem;
  border-top: 1px solid rgba(42, 90, 74, .8);
}

.page-faq .qa__body p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: #c3dcd1;
}

.page-faq .qa__body p + p {
  margin-top: .55rem;
}

.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

.page-faq .qa__body a:hover {
  color: var(--cyan-soft);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: .4rem;
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(42, 90, 74, .8);
}

.page-faq .faq-figure--wide {
  margin-bottom: var(--faq-gap);
}

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

/* ---------- 求助区 ---------- */
.page-faq .faq-help {
  background: var(--paper);
  color: var(--ink);
  padding: var(--faq-pad) 0;
  border-top: 3px solid var(--cyan);
}

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

.page-faq .faq-help .eyebrow {
  color: var(--grass);
}

.page-faq .faq-help h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: .4rem 0 .7rem;
  color: var(--ink);
  max-width: 22ch;
}

.page-faq .faq-help p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--grass);
  max-width: 56ch;
}

.page-faq .faq-help__contact {
  display: grid;
  gap: .55rem;
  justify-items: start;
  padding: 1rem 1.1rem 1.2rem;
  background: rgba(18, 74, 57, .07);
  border: 1px solid rgba(18, 74, 57, .28);
}

.page-faq .faq-help .copy-btn {
  border-color: var(--grass);
  background: transparent;
  color: var(--ink);
  font-size: .86rem;
}

.page-faq .faq-help .copy-btn:hover {
  background: var(--grass);
  color: var(--paper);
}

.page-faq .faq-help__meta {
  margin: 0 0 .35rem;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--grass);
  opacity: .82;
}

.page-faq .faq-help__btn {
  margin-top: .4rem;
  border-color: var(--grass);
  color: var(--grass);
}

.page-faq .faq-help__btn:hover {
  background: var(--grass);
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-group__head {
    grid-template-columns: 4.5rem minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-faq .faq-group__head .tag {
    grid-column: 3;
    justify-self: end;
    margin-top: .35rem;
  }

  .page-faq .qa summary {
    padding: 1rem 1.15rem;
  }

  .page-faq .qa__body {
    margin: 0 1.15rem 1.1rem;
    padding-left: 1.6rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: end;
    gap: 3rem;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-list {
    gap: .6rem;
  }

  .page-faq .qa__q {
    font-size: 1.02rem;
  }
}
<<<END>>>