.page-faq {
  --faq-cut: 16px;
  --faq-pad: 18px;
  display: block;
  font-family: var(--font-sans);
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 26px 0 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-faq .faq-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--whistle);
  border-color: var(--whistle);
}
.page-faq .faq-crumb__sep {
  color: var(--line);
}
.page-faq .faq-crumb span[aria-current="page"] {
  color: var(--score);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 6px 0 36px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 2px;
  background: var(--whistle);
}
.page-faq .faq-hero__flag {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.page-faq .faq-hero__flag-num {
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 9vw, 3.6rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--whistle);
  transform: skewX(-6deg);
  display: inline-block;
}
.page-faq .faq-hero__flag-txt {
  font-size: 10.5px;
  letter-spacing: 0.24em;
  line-height: 1.6;
  color: var(--muted);
  text-transform: uppercase;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}
.page-faq .faq-hero__title {
  margin: 0 0 16px;
  max-width: 22ch;
  font-size: clamp(1.8rem, 6.2vw, 3rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--score);
}
.page-faq .faq-hero__lede {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--muted);
  letter-spacing: 0.01em;
}
.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: var(--muted);
}
.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: rgba(16, 38, 28, 0.6);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.page-faq .faq-mono {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1em;
  letter-spacing: -0.02em;
  color: var(--score);
}

/* ---------- 区块标题 ---------- */
.page-faq .faq-sec-head {
  margin-bottom: 18px;
}
.page-faq .faq-sec-head h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 6px;
  font-size: clamp(1.2rem, 4.4vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--score);
}
.page-faq .faq-sec-head__idx {
  font-family: var(--font-mono);
  font-size: 0.78em;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--whistle);
}
.page-faq .faq-sec-head p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 快问三条 ---------- */
.page-faq .faq-quick {
  margin-top: 38px;
  scroll-margin-top: calc(var(--top-h) + 20px);
}
.page-faq .faq-quick__grid {
  display: grid;
  gap: 12px;
}
.page-faq .faq-quick__card {
  position: relative;
  padding: 22px 18px 20px;
  background: var(--stand);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  overflow: hidden;
}
.page-faq .faq-quick__card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--whistle), transparent 78%);
  opacity: 0.55;
}
.page-faq .faq-quick__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--neon);
}
.page-faq .faq-quick__card h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--score);
}
.page-faq .faq-quick__card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}
.page-faq .faq-quick__card a {
  color: var(--whistle-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, 0.45);
}
.page-faq .faq-quick__card a:hover,
.page-faq .faq-quick__card a:focus-visible {
  color: var(--whistle);
  border-color: var(--whistle);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-main {
  margin-top: 52px;
  display: grid;
  gap: 26px;
}

/* 索引 */
.page-faq .faq-index {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-index__list li {
  flex: 0 0 auto;
}
.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 12.5px;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(16, 38, 28, 0.65);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--score);
  border-color: var(--whistle);
  background: rgba(29, 66, 50, 0.7);
}
.page-faq .faq-index__list .faq-mono {
  color: var(--whistle);
  font-size: 0.92em;
}

/* 分组 */
.page-faq .faq-groups {
  display: grid;
  gap: 46px;
}
.page-faq .faq-group {
  scroll-margin-top: calc(var(--top-h) + 20px);
}
.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}
.page-faq .faq-group__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 7vw, 2.7rem);
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--whistle);
}
.page-faq .faq-group__head h2 {
  margin: 0 0 6px;
  font-size: clamp(1.12rem, 4.2vw, 1.42rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--score);
}
.page-faq .faq-group__head p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.page-faq .faq-item[open] {
  background: rgba(16, 38, 28, 0.5);
}
.page-faq .faq-item__trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 12px 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background 0.18s ease;
}
.page-faq .faq-item__trigger::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__trigger::marker {
  content: "";
}
.page-faq .faq-item__trigger:hover {
  background: rgba(29, 66, 50, 0.4);
}
.page-faq .faq-item__trigger:focus-visible {
  outline: 2px solid var(--whistle);
  outline-offset: 2px;
}
.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 3px;
  min-width: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.18s ease;
}
.page-faq .faq-item__q {
  flex: 1 1 auto;
  font-size: 0.99rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--score);
  transition: color 0.18s ease;
}
.page-faq .faq-item__trigger:hover .faq-item__q {
  color: var(--whistle-soft);
}
.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}
.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 0.2s ease, background 0.2s ease;
}
.page-faq .faq-item__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}
.page-faq .faq-item__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}
.page-faq .faq-item[open] .faq-item__idx {
  color: var(--whistle);
}
.page-faq .faq-item[open] .faq-item__sign::before {
  background: var(--whistle);
}
.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-item__panel {
  overflow: hidden;
}
.page-faq .faq-item__body {
  padding: 14px 12px 22px 42px;
  border-top: 1px dashed var(--line);
  margin: 0 4px 0 4px;
}
.page-faq .faq-item__body p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__body a {
  color: var(--whistle-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, 0.4);
}
.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--whistle);
  border-color: var(--whistle);
}
.page-faq .faq-item__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-item__foot span {
  font-size: 0.84rem;
  color: var(--muted);
}
.page-faq .faq-item__foot .btn {
  font-size: 0.84rem;
  padding: 8px 16px;
  text-decoration: none;
}

/* 步骤 */
.page-faq .faq-steps {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}
.page-faq .faq-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 14px;
  border: 1px solid var(--line);
  background: rgba(16, 38, 28, 0.7);
  font-size: 0.89rem;
  line-height: 1.68;
  color: var(--muted);
  counter-increment: faqstep;
}
.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--whistle);
}

/* 颜色图例 */
.page-faq .faq-legend {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-legend__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 14px;
  border-left: 3px solid var(--line);
  background: rgba(16, 38, 28, 0.65);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
  transition: transform 0.18s ease, background 0.18s ease;
}
.page-faq .faq-legend__item:hover {
  transform: translateX(4px);
  background: rgba(29, 66, 50, 0.72);
}
.page-faq .faq-legend__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--score);
  transform: rotate(45deg);
}
.page-faq .faq-legend__item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.9rem;
  color: var(--score);
  letter-spacing: 0.02em;
}
.page-faq .faq-legend__item--up {
  border-left-color: var(--whistle);
}
.page-faq .faq-legend__item--up .faq-legend__dot {
  background: var(--whistle);
}
.page-faq .faq-legend__item--down {
  border-left-color: var(--alert);
}
.page-faq .faq-legend__item--down .faq-legend__dot {
  background: var(--alert);
}
.page-faq .faq-legend__item--flat {
  border-left-color: var(--score);
}
.page-faq .faq-legend__item--hold {
  border-left-color: var(--amber);
}
.page-faq .faq-legend__item--hold .faq-legend__dot {
  background: var(--amber);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 18px 0 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--stand);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.04);
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 0.79rem;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.page-faq .faq-figure--wide {
  margin: 0 0 18px;
}

/* ---------- 底部转化 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 12px;
  margin-top: 58px;
  padding: 28px 20px;
  border: 1px solid var(--line);
  background:
    radial-gradient(115% 135% at 100% 0%, rgba(255, 107, 26, 0.16), transparent 60%),
    radial-gradient(90% 120% at 0% 100%, rgba(122, 92, 255, 0.14), transparent 62%),
    var(--stand);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.page-faq .faq-cta__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: var(--whistle);
  text-transform: uppercase;
}
.page-faq .faq-cta h2 {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(1.3rem, 5vw, 1.85rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--score);
}
.page-faq .faq-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--muted);
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}
.page-faq .faq-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-shell {
    padding: 0 26px;
  }
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-quick__card:first-child {
    grid-column: 1 / -1;
  }
  .page-faq .faq-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-cta {
    padding: 32px 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-quick__card:first-child {
    grid-column: auto;
  }
  .page-faq .faq-quick__card:nth-child(2) {
    transform: translateY(-10px);
  }
  .page-faq .faq-quick__card:nth-child(3) {
    transform: translateY(10px);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-main {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--top-h) + 26px);
  }
  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-index__list li {
    flex: 1 1 auto;
    width: 100%;
  }
  .page-faq .faq-index__list a {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    background: none;
    clip-path: none;
    font-size: 13.5px;
  }
  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--whistle);
    background: linear-gradient(90deg, rgba(255, 107, 26, 0.12), transparent 85%);
  }
  .page-faq .faq-item__trigger {
    padding: 18px 16px 18px 6px;
  }
  .page-faq .faq-item__body {
    padding: 16px 16px 24px 48px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-shell {
    padding: 0 34px;
  }
  .page-faq .faq-hero__lede {
    font-size: 1.04rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-legend__item,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
  .page-faq .faq-legend__item:hover {
    transform: none;
  }
}
<<<END>>>