.page-faq {
  padding-block: clamp(1.1rem, 3vw, 2rem) clamp(2.6rem, 7vw, 5rem);
  color: var(--paper);
}

.page-faq .faq-intro {
  position: relative;
  margin: 1.1rem 0 clamp(1.5rem, 4vw, 2.6rem);
  padding-bottom: clamp(1.2rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  top: -1.4rem;
  right: -2rem;
  width: clamp(140px, 26vw, 300px);
  height: clamp(90px, 15vw, 170px);
  background: radial-gradient(circle at 30% 30%, rgba(67, 245, 181, 0.16), transparent 68%);
  border-radius: 46% 54% 38% 62% / 52% 40% 60% 48%;
  pointer-events: none;
}

.page-faq .faq-kicker {
  position: relative;
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-faq .faq-intro h1 {
  position: relative;
  margin: 0 0 0.9rem;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-lead {
  position: relative;
  margin: 0 0 1.1rem;
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.4vw, 1.06rem);
  line-height: 1.82;
  color: var(--mint);
}

.page-faq .faq-intro-meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 2.8rem;
    align-items: start;
  }
}

/* ---------- 左侧章节索引 ---------- */
.page-faq .faq-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(12, 42, 33, 0.94), rgba(8, 35, 28, 0.94));
  padding: 1rem 1rem 1.15rem;
}

@media (min-width: 900px) {
  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
  }
}

.page-faq .faq-toc-title {
  margin: 0 0 0.7rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-editorial);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--mint);
}

.page-faq .toc-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 900px) {
  .page-faq .toc-list {
    grid-template-columns: 1fr;
  }
}

.page-faq .toc-link {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.45rem 0.5rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.page-faq .toc-link::before {
  content: "—";
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
}

.page-faq .toc-link:hover {
  background: rgba(67, 245, 181, 0.09);
}

.page-faq .toc-link[aria-current="true"] {
  border-left-color: var(--accent);
  background: rgba(67, 245, 181, 0.12);
  color: var(--accent);
}

.page-faq .faq-toc-help {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(169, 247, 220, 0.22);
}

.page-faq .faq-toc-help p {
  margin: 0 0 0.7rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: clamp(1.4rem, 3.4vw, 2.3rem) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem;
  margin-bottom: 0.8rem;
}

.page-faq .faq-sec-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1;
  padding: 0.28rem 0.5rem;
  border: 1px solid rgba(67, 245, 181, 0.35);
  border-radius: var(--radius-pill);
  color: var(--accent);
}

.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-sec-lead {
  margin: 0 0 1.2rem;
  max-width: 66ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(234, 247, 241, 0.8);
}

/* ---------- 步骤 ---------- */
.page-faq .step-list {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  padding: 1rem 1rem 1rem 3.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 63, 51, 0.82), rgba(12, 42, 33, 0.88));
}

.page-faq .step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 3.4rem;
  width: 34px;
  height: 2px;
  background: var(--accent);
  opacity: 0.55;
}

.page-faq .step-num {
  position: absolute;
  left: 0.95rem;
  top: 0.95rem;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
}

.page-faq .step h3 {
  margin: 0 0 0.32rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .step-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: rgba(234, 247, 241, 0.82);
}

.page-faq .faq-tip {
  margin: 0;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(67, 245, 181, 0.08);
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mint);
}

.page-faq .faq-tip a,
.page-faq .faq-escalate a,
.page-faq .qa-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--green-850);
}

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(169, 247, 220, 0.07) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(169, 247, 220, 0.07) 0 1px, transparent 1px 46px);
  pointer-events: none;
}

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

/* ---------- 筛选带示意 ---------- */
.page-faq .filter-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1.1rem;
  padding: 0.85rem 0.95rem;
  border: 1px dashed rgba(169, 247, 220, 0.32);
  border-radius: var(--radius-lg);
  background: rgba(7, 12, 10, 0.4);
}

.page-faq .fd-label {
  margin-right: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .fd-chip {
  padding: 0.3rem 0.78rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper);
  background: rgba(18, 63, 51, 0.72);
}

.page-faq .fd-chip.is-on {
  border-color: var(--accent);
  background: rgba(67, 245, 181, 0.18);
  color: var(--accent);
}

/* ---------- 内联流程图 ---------- */
.page-faq .faq-svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 1.2rem;
}

.page-faq .faq-svg .nd {
  fill: rgba(18, 63, 51, 0.95);
  stroke: rgba(169, 247, 220, 0.32);
  stroke-width: 1.5;
}

.page-faq .faq-svg .nd-accent {
  stroke: var(--accent);
}

.page-faq .faq-svg .nd-t {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-svg .ln {
  stroke: rgba(169, 247, 220, 0.42);
  stroke-width: 1.5;
}

.page-faq .faq-svg .ln-head {
  fill: rgba(169, 247, 220, 0.42);
}

/* ---------- 升级协助条 ---------- */
.page-faq .faq-escalate {
  padding: 0.9rem 1.05rem;
  border: 1px solid rgba(255, 200, 87, 0.32);
  border-radius: var(--radius-lg);
  background: rgba(255, 200, 87, 0.07);
}

.page-faq .faq-escalate p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(234, 247, 241, 0.86);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.6rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

@media (min-width: 620px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-cat-grid li {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(12, 42, 33, 0.7);
}

.page-faq .faq-cat-idx {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-faq .faq-cat-grid strong {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-cat-desc {
  font-size: 0.81rem;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
}

@media (min-width: 860px) {
  .page-faq .qa-wrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 1.8rem;
  }
}

.page-faq .qa-list {
  border-top: 1px solid var(--line-strong);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.95rem 0.2rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
  transition: color 0.22s ease;
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
}

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

.page-faq .qa summary:hover,
.page-faq .qa[open] summary {
  color: var(--accent);
}

.page-faq .qa-body {
  max-width: 68ch;
  padding: 0 0.2rem 1.1rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(234, 247, 241, 0.84);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .toc-link,
  .page-faq .qa summary {
    transition: none;
  }
}
<<<END>>>