.page-faq {
  --faq-gap: clamp(1rem, 2.5vw, 1.5rem);
  --faq-rule: 1px solid var(--grid);
  display: block;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2.25rem, 7vw, 4.25rem) clamp(2rem, 5vw, 3.25rem);
  border-bottom: var(--faq-rule);
  background:
    radial-gradient(115% 78% at 92% -12%, rgba(198, 255, 61, 0.16), transparent 58%),
    radial-gradient(88% 68% at 2% 122%, rgba(255, 107, 44, 0.14), transparent 62%),
    linear-gradient(178deg, var(--ink) 10%, var(--green-deep) 94%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: 0.4;
  -webkit-mask-image: linear-gradient(180deg, #000 8%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 8%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero h1 {
  margin: 0.75rem 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 56ch;
  margin-top: 1rem;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-quick a {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border: var(--faq-rule);
  border-radius: 999px;
  background: rgba(22, 69, 47, 0.55);
  color: var(--paper);
  font-size: 0.87rem;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  border-color: var(--lime);
  background: rgba(198, 255, 61, 0.1);
  color: var(--lime);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding-block: clamp(1.75rem, 5vw, 3.5rem) clamp(2.5rem, 7vw, 5rem);
}

/* ---------- 左侧目录 ---------- */
.page-faq .faq-toc {
  border: var(--faq-rule);
  border-radius: var(--r-md);
  padding: 1rem;
  background: linear-gradient(160deg, var(--green-deep), var(--ink));
}

.page-faq .faq-toc__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-toc__title::after {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin-top: 0.55rem;
  border-radius: 2px;
  background: var(--lime);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--grid);
  border-radius: var(--r-sm);
  background: rgba(10, 15, 12, 0.5);
  color: var(--mist);
  font-size: 0.88rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--paper);
  border-color: var(--turf);
  background: var(--green-mid);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--flare);
  letter-spacing: 0.06em;
}

.page-faq .faq-toc__foot {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 6rem;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: var(--faq-rule);
}

.page-faq .faq-block__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  color: var(--flare);
}

.page-faq .faq-block__head .section-title {
  margin: 0.5rem 0 0;
}

.page-faq .faq-block__intro {
  max-width: 60ch;
  margin: 0.8rem 0 0;
  color: var(--mist);
  font-size: clamp(0.94rem, 1.5vw, 1.02rem);
  line-height: 1.75;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 1.5rem 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border: var(--faq-rule);
  border-radius: var(--r-md);
  background: var(--green-deep);
  overflow: hidden;
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.page-faq .qa:first-of-type {
  margin-top: 1.5rem;
}

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

.page-faq .qa[open] {
  border-color: var(--turf);
  background: var(--green-mid);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin: 0;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(0.97rem, 1.6vw, 1.06rem);
  line-height: 1.55;
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--lime);
  transition: transform 0.24s ease, color 0.24s ease;
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(45deg);
  color: var(--flare);
}

.page-faq .qa__q:hover {
  background: rgba(31, 107, 69, 0.22);
}

.page-faq .qa__a {
  padding: 0.95rem 1.15rem 1.25rem;
  border-top: var(--faq-rule);
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.78;
}

.page-faq .qa__verdict {
  margin: 0 0 0.55rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--lime);
  color: var(--paper);
  font-size: clamp(1rem, 1.7vw, 1.1rem);
  font-weight: 700;
  line-height: 1.62;
}

.page-faq .qa__a p {
  margin: 0.5rem 0 0;
}

.page-faq .qa__a ul,
.page-faq .qa__a ol {
  margin: 0.55rem 0 0;
  padding-left: 1.15rem;
}

.page-faq .qa__a li {
  margin-top: 0.35rem;
}

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

.page-faq .qa__a a:hover {
  color: var(--flare);
}

/* ---------- 升级通道 ---------- */
.page-faq .faq-escalate {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: 1.5rem;
}

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

.page-faq .faq-route {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1.15rem, 3vw, 1.65rem);
  border-radius: var(--r-lg);
}

.page-faq .faq-route h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  color: var(--paper);
}

.page-faq .faq-route p {
  margin: 0;
  color: var(--mist);
  font-size: 0.93rem;
  line-height: 1.75;
}

.page-faq .sla {
  align-self: flex-start;
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  padding: 0.28rem 0.72rem;
  border: 1px solid var(--grid);
  border-radius: 999px;
  background: rgba(198, 255, 61, 0.07);
  color: var(--mist);
  font-size: 0.78rem;
}

.page-faq .sla__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--lime);
}

.page-faq .faq-route .btn {
  align-self: flex-start;
  margin-top: auto;
}

.page-faq .faq-figure--side {
  margin: 0;
  border-radius: var(--r-lg);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-escalate__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面：左栏常驻目录 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 6rem;
    border: 0;
    border-left: 2px solid var(--grid);
    border-radius: 0;
    padding: 0 0 0 1.25rem;
    background: none;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.15rem;
  }

  .page-faq .faq-toc__link {
    border-color: transparent;
    background: none;
    padding: 0.5rem 0.7rem;
  }

  .page-faq .faq-escalate {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
  }
}
<<<END>>>