.page-faq {
  --faq-panel: #0C2138;
  --faq-soft: #D6DFEB;
  --faq-hair: 1px solid var(--wire);
  --faq-gap: clamp(1.25rem, 3vw, 2.25rem);
  font-family: var(--font-body);
  background: var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

.page-faq .faq-crumbs {
  padding: 1rem 0 .25rem;
}

.page-faq .faq-crumbs .breadcrumbs {
  font-size: .78rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(.75rem, 2vw, 1.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: var(--faq-hair);
}

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

.page-faq .faq-hero__main {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: .6rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 54ch;
  color: var(--mist);
  font-size: clamp(.93rem, 1.4vw, 1.04rem);
  line-height: 1.82;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.6rem;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: .4rem .78rem;
  border: 1px solid var(--wire);
  background: rgba(11, 31, 51, .6);
  color: var(--paper);
  font-size: .8rem;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), background-color var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(244, 183, 64, .08);
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  padding: .45rem;
  border: var(--faq-hair);
  background: var(--ink-800);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  right: -.4rem;
  bottom: 1.4rem;
  width: .8rem;
  height: 1px;
  background: var(--amber);
  box-shadow: 0 -8px 0 var(--amber), 0 8px 0 var(--amber);
  pointer-events: none;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__cap {
  display: block;
  padding: .55rem .15rem .1rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .05em;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .58fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 4.25rem);
  }
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(2rem, 5vw, 3.75rem) 0;
  min-width: 0;
}

.page-faq .faq-stack {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 206px minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 4rem);
  }
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  border-top: 2px solid var(--amber);
  padding-top: .85rem;
}

.page-faq .faq-index__title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--mist);
}

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

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
  padding: .5rem 0;
  border-bottom: 1px solid rgba(44, 74, 107, .55);
  color: var(--paper);
  font-size: .9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--amber);
}

.page-faq .faq-index__note {
  margin: 1.1rem 0 0;
  font-size: .74rem;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: 1.25rem;
  }
}

/* ---------- 分类标题 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
  scroll-margin-top: 5rem;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: .8rem;
  row-gap: .35rem;
  align-items: baseline;
  padding-bottom: .9rem;
  margin-bottom: 1.1rem;
  border-bottom: 2px solid var(--wire);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.32rem, 3vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-faq .faq-group__desc {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: .84rem;
  line-height: 1.75;
}

@media (min-width: 700px) {
  .page-faq .faq-group__desc {
    grid-column: 2;
  }
}

/* ---------- 问答条 ---------- */
.page-faq .qa {
  position: relative;
  border: var(--faq-hair);
  background: var(--ink-800);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-faq .qa + .qa {
  margin-top: -1px;
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 3px;
  background: transparent;
  transition: background var(--ease);
  pointer-events: none;
}

.page-faq .qa:hover {
  border-color: var(--mist);
  z-index: 1;
}

.page-faq .qa[open] {
  border-color: var(--amber);
  background: var(--faq-panel);
  z-index: 2;
}

.page-faq .qa[open]::before {
  background: var(--amber);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .7rem;
  align-items: start;
  padding: .95rem 1rem;
  list-style: none;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.55;
  transition: color var(--ease);
}

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

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

.page-faq .qa__idx {
  min-width: 1.3rem;
  padding-top: .28rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  color: var(--mist);
  transition: color var(--ease);
}

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

.page-faq .qa__q {
  min-width: 0;
}

.page-faq .qa__hot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: .4rem;
  vertical-align: middle;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 77, .14);
}

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: .3rem;
  border: 1px solid var(--mist);
  transition: border-color var(--ease);
}

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

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

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

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

.page-faq .qa[open] .qa__mark::before {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .qa[open] .qa__mark::after {
  background: var(--amber);
}

.page-faq .qa__body {
  padding: .85rem 1rem 1.15rem;
  border-top: 1px solid rgba(44, 74, 107, .6);
  color: var(--mist);
  font-size: .89rem;
  line-height: 1.78;
}

.page-faq .qa__body p {
  margin: 0 0 .55rem;
}

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

.page-faq .qa__lead {
  color: var(--paper);
  font-weight: 600;
}

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

.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: var(--paper);
}

.page-faq .qa__steps {
  list-style: none;
  counter-reset: qa-step;
  margin: .7rem 0 0;
  padding: 0;
  display: grid;
  gap: .35rem;
}

.page-faq .qa__steps li {
  counter-increment: qa-step;
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  gap: .5rem;
  font-size: .85rem;
  line-height: 1.7;
}

.page-faq .qa__steps li::before {
  content: counter(qa-step, decimal-leading-zero);
  padding-top: .38rem;
  border-top: 1px solid var(--wire);
  font-family: var(--font-mono);
  font-size: .66rem;
  color: var(--amber);
}

.page-faq .qa__steps li > span {
  padding-top: .1rem;
}

/* ---------- 分类配图 ---------- */
.page-faq .faq-media {
  display: grid;
  gap: .6rem;
  margin: 1.25rem 0 0;
  padding: .5rem;
  border: var(--faq-hair);
  background: var(--ink-800);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .faq-media figcaption {
  padding: 0 .35rem .3rem;
  color: var(--mist);
  font-size: .75rem;
  line-height: 1.72;
}

@media (min-width: 700px) {
  .page-faq .faq-media {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: center;
    gap: 1.1rem;
  }
}

/* ---------- 客服带 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(1rem, 3vw, 2rem);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: var(--faq-hair);
  border-bottom: var(--faq-hair);
  background: linear-gradient(135deg, var(--indigo) 0%, #161a3a 52%, var(--ink-800) 100%);
  scroll-margin-top: 5rem;
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  min-width: 0;
}

.page-faq .faq-contact h2 {
  margin: .5rem 0 .85rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-faq .faq-contact__intro p {
  margin: 0 0 1.4rem;
  max-width: 50ch;
  color: var(--faq-soft);
  font-size: .9rem;
  line-height: 1.85;
}

.page-faq .faq-contact__panel {
  padding: .2rem clamp(.9rem, 2vw, 1.4rem);
  border: 1px solid rgba(247, 250, 255, .18);
  background: rgba(6, 19, 33, .55);
  min-width: 0;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .22rem .8rem;
  align-items: center;
  padding: .9rem 0;
  border-bottom: 1px solid rgba(44, 74, 107, .75);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  color: var(--paper);
  font-size: .9rem;
  line-height: 1.6;
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}
<<<END>>>