.page-faq {
  --faq-index-w: 236px;
  --faq-cut: 20px;
  background: var(--c-ink);
  color: var(--c-mist);
}

.page-faq h1,
.page-faq h2 {
  font-family: var(--f-display);
  letter-spacing: -0.015em;
  color: var(--c-snow);
}

.page-faq .eyebrow {
  color: var(--c-mint);
  letter-spacing: 0.16em;
}

.page-faq .hl {
  color: var(--c-amber);
  background-image: linear-gradient(transparent 64%, var(--c-amber-14) 64%);
  padding: 0 0.1em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--sk-header-h) + clamp(1.75rem, 5vw, 3.25rem)) 0 clamp(2.5rem, 6vw, 4rem);
  background:
    radial-gradient(120% 90% at 84% -12%, rgba(43, 227, 163, 0.16), transparent 62%),
    linear-gradient(165deg, var(--c-ink) 0%, var(--c-night) 56%, var(--c-ink) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: 0;
  width: 56%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-mint), var(--c-amber));
  transform: skewX(-24deg);
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem;
  margin-bottom: clamp(1.35rem, 3.5vw, 2.25rem);
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.page-faq .breadcrumb__link {
  color: var(--c-glow);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  text-decoration: underline;
  outline: none;
}

.page-faq .breadcrumb__sep {
  color: var(--c-line);
  margin: 0 0.35rem;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-faq .faq-hero__lead h1 {
  margin: 0.55rem 0 1rem;
  font-size: clamp(1.95rem, 6.2vw, 3.5rem);
  line-height: 1.08;
  font-weight: 800;
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.92;
  color: var(--c-mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-faq .faq-hero__media {
  margin: 0;
  padding: 9px;
  background: linear-gradient(150deg, var(--c-mint-28), var(--c-night) 55%, var(--c-deep));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 31px), calc(100% - 31px) 100%, 0 100%);
}

/* ---------- 四个排查入口 ---------- */
.page-faq .faq-entries {
  list-style: none;
  margin: clamp(1.9rem, 5vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-faq .faq-entry {
  background: var(--c-ink);
}

.page-faq .faq-entry__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx title go"
    "idx desc go";
  gap: 0.2rem 0.9rem;
  height: 100%;
  padding: 1.1rem 1rem 1.2rem;
  text-decoration: none;
  color: inherit;
  transition: background var(--dur) var(--ease-out);
}

.page-faq .faq-entry__idx {
  grid-area: idx;
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.1em;
  color: var(--c-mint);
  padding-top: 0.28rem;
}

.page-faq .faq-entry__title {
  grid-area: title;
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-snow);
}

.page-faq .faq-entry__desc {
  grid-area: desc;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-entry__go {
  grid-area: go;
  align-self: center;
  font-family: var(--f-mono);
  color: var(--c-line);
  transition: color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}

.page-faq .faq-entry__link:hover,
.page-faq .faq-entry__link:focus-visible {
  background: var(--c-night);
  outline: none;
}

.page-faq .faq-entry__link:hover .faq-entry__go,
.page-faq .faq-entry__link:focus-visible .faq-entry__go {
  color: var(--c-mint);
  transform: translateX(3px);
}

.page-faq .faq-entry__link:focus-visible {
  box-shadow: inset 0 0 0 2px var(--c-mint-28);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-main {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0;
  background: linear-gradient(180deg, var(--c-ink) 0%, var(--c-deep) 100%);
}

.page-faq .faq-main__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-faq .faq-index {
  border-left: 2px solid var(--c-mint);
  padding-left: 0.95rem;
}

.page-faq .faq-index .index-label {
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.16em;
  color: var(--c-glow);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.3rem 0;
  font-size: var(--fs-small);
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-faq .faq-index__list a span {
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  color: var(--c-line);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--c-glow);
  border-bottom-color: var(--c-mint-28);
  outline: none;
}

.page-faq .faq-index__note {
  margin: 1.1rem 0 0;
  padding: 0.75rem 0.85rem;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-mist);
  background: var(--c-mint-12);
  border: 1px solid var(--c-line);
}

.page-faq .faq-index__note a {
  color: var(--c-glow);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--sk-header-h) + 1.25rem);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-faq .faq-group__head h2 {
  margin: 0.35rem 0 0.7rem;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.18;
  font-weight: 800;
}

.page-faq .faq-group__head p:last-child {
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.88;
  color: var(--c-mist);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}

.page-faq .faq-steps li {
  padding: 0.95rem 1rem 1.1rem;
  background:
    linear-gradient(150deg, rgba(43, 227, 163, 0.12), transparent 68%),
    var(--c-night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-steps__n {
  display: block;
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.14em;
  color: var(--c-mint);
}

.page-faq .faq-steps__t {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-snow);
}

.page-faq .faq-steps__d {
  display: block;
  margin-top: 0.3rem;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--c-mist);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: 1.5rem 0 0;
  padding: 8px;
  background: var(--c-night);
  border: 1px solid var(--c-line);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 0.6rem;
  padding: 0 0.15rem;
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-line);
  background: var(--c-night);
  transition: border-color var(--dur) var(--ease-out);
}

.page-faq .faq-item[open] {
  border-color: var(--c-mint-28);
  border-left-color: var(--c-mint);
}

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.9rem 2.6rem 0.9rem 0.9rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.98rem;
  line-height: 1.62;
  font-weight: 600;
  color: var(--c-snow);
  transition: color var(--dur) var(--ease-out);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  top: 0.82rem;
  right: 0.85rem;
  font-family: var(--f-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--c-mint);
}

.page-faq .faq-item[open] > summary {
  color: var(--c-glow);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-mint);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding-top: 0.28rem;
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.08em;
  color: var(--c-mint);
}

.page-faq .faq-item__q {
  display: block;
}

.page-faq .faq-item__body {
  padding: 0.2rem 1rem 1.15rem 2.55rem;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-faq .faq-item__body p + p {
  margin-top: 0.7rem;
}

.page-faq .faq-item__body strong {
  color: var(--c-amber);
  font-weight: 600;
}

.page-faq .faq-item__body a {
  color: var(--c-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--c-mint);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0;
  border-top: 1px solid var(--c-line);
  background:
    radial-gradient(90% 80% at 12% 0%, rgba(43, 227, 163, 0.12), transparent 64%),
    var(--c-night);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-faq .faq-support__intro h2 {
  margin: 0.35rem 0 0.8rem;
  font-size: clamp(1.45rem, 3.8vw, 2.15rem);
  line-height: 1.2;
  font-weight: 800;
}

.page-faq .faq-support__intro > p {
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-faq .faq-support__tips {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-support__tips li {
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--fs-small);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-faq .faq-support__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--c-amber);
  transform: skewX(-18deg);
}

.page-faq .faq-support__tips a {
  color: var(--c-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-support__card {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--c-deep);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

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

.page-faq .faq-support__row {
  display: grid;
  gap: 0.15rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--c-line-soft);
}

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

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

.page-faq .faq-support__key {
  font-family: var(--f-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.14em;
  color: var(--c-mint);
}

.page-faq .faq-support__val {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-snow);
  overflow-wrap: anywhere;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-entries {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.75rem);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-main__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--sk-header-h) + 1.25rem);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .faq-index__list li + li {
    border-top: 1px solid var(--c-line-soft);
  }

  .page-faq .faq-index__list a {
    display: flex;
    padding: 0.45rem 0;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-entries {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-entry__link,
  .page-faq .faq-entry__go,
  .page-faq .faq-item,
  .page-faq .faq-index__list a {
    transition: none;
  }

  .page-faq .faq-entry__link:hover .faq-entry__go,
  .page-faq .faq-entry__link:focus-visible .faq-entry__go {
    transform: none;
  }
}
<<<END>>>