.page-faq {
  --faq-accent: var(--cyan);
  --faq-index-w: 268px;
  background: var(--ink);
  color: var(--silver);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-group--amber a:focus-visible,
.page-faq .faq-group--amber summary:focus-visible {
  outline-color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(58% 78% at 86% 6%, rgba(53, 214, 230, 0.13), transparent 62%),
    radial-gradient(52% 72% at 2% 94%, rgba(240, 164, 58, 0.1), transparent 64%);
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-bands {
  list-style: none;
  margin: 24px 0 26px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-band {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
  border-radius: 2px 10px 10px 2px;
  background: rgba(23, 27, 34, 0.72);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-band:hover {
  transform: translateX(5px);
  border-color: var(--cyan);
  background: rgba(53, 214, 230, 0.09);
}

.page-faq .faq-band--amber {
  border-left-color: var(--amber);
}

.page-faq .faq-band--amber:hover {
  border-color: var(--amber);
  background: rgba(240, 164, 58, 0.09);
}

.page-faq .faq-band--silver {
  border-left-color: var(--line);
}

.page-faq .faq-band--silver:hover {
  border-color: var(--silver);
  background: rgba(184, 192, 204, 0.07);
}

.page-faq .faq-band__no {
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-band--amber .faq-band__no {
  color: var(--amber);
}

.page-faq .faq-band--silver .faq-band__no {
  color: var(--dim);
}

.page-faq .faq-band__name {
  font-weight: 500;
}

.page-faq .faq-band__jump {
  margin-left: auto;
  font-size: 12px;
  color: var(--dim);
  white-space: nowrap;
  transition: color 0.18s ease;
}

.page-faq .faq-band:hover .faq-band__jump {
  color: var(--paper);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__media {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

/* ---------- 高频问题带 ---------- */
.page-faq .faq-hot {
  padding: clamp(26px, 4vw, 46px) 0;
  background: var(--panel);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hot__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 22px;
  margin-bottom: 20px;
}

.page-faq .faq-hot__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hot__head p {
  margin: 0;
  font-size: 14px;
  color: var(--dim);
}

.page-faq .faq-hot__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-faq .faq-hot__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  height: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 2px 10px 10px 2px;
  background: var(--panel-2);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.55;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-hot__link:hover {
  border-color: var(--cyan);
  background: rgba(53, 214, 230, 0.08);
}

.page-faq .faq-hot__no {
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 正文双栏 ---------- */
.page-faq .faq-body {
  padding: clamp(32px, 5vw, 64px) 0 0;
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  align-items: start;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: 2px 14px 14px 2px;
  background: var(--panel);
  padding: 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--silver);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index__link .mono {
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-index__link small {
  margin-left: auto;
  font-size: 11px;
  color: var(--dim);
  white-space: nowrap;
}

.page-faq .faq-index__link:hover {
  border-left-color: var(--cyan);
  background: rgba(53, 214, 230, 0.08);
  color: var(--paper);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--dim);
}

.page-faq .faq-index__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 230, 0.4);
}

.page-faq .faq-index__note a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  --faq-accent: var(--cyan);
  margin-bottom: clamp(34px, 5vw, 58px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group--amber {
  --faq-accent: var(--amber);
}

.page-faq .faq-group--silver {
  --faq-accent: var(--silver);
}

.page-faq .faq-group__head {
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--faq-accent);
}

.page-faq .faq-group__head h2 {
  margin: 6px 0 10px;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--dim);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-accent);
  border-radius: 2px 14px 14px 14px;
  background: var(--panel);
  margin-bottom: 12px;
  scroll-margin-top: 96px;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-item:hover {
  background: var(--panel-2);
}

.page-faq .faq-item[open] {
  background: var(--panel-2);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 17px;
  list-style: none;
  cursor: pointer;
  color: var(--paper);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
}

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

.page-faq .faq-item__num {
  flex: none;
  font-size: 12px;
  color: var(--faq-accent);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--faq-accent);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-item__sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 14px 17px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

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

.page-faq .faq-item__link {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 214, 230, 0.45);
}

.page-faq .faq-group--amber .faq-item__link {
  border-bottom-color: rgba(240, 164, 58, 0.5);
}

.page-faq .faq-item__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 路径步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 24px;
  bottom: -10px;
  width: 1px;
  background: var(--line);
}

.page-faq .faq-steps__n {
  position: absolute;
  left: 0;
  top: 2px;
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 11px;
  line-height: 1;
  color: var(--faq-accent);
  background: var(--ink);
}

/* ---------- 中部横向图 ---------- */
.page-faq .faq-media {
  margin: 0 0 clamp(32px, 4vw, 50px);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px 14px 14px 14px;
}

.page-faq .faq-media .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 下一步入口 ---------- */
.page-faq .faq-next {
  margin-top: clamp(20px, 3vw, 36px);
  padding: clamp(30px, 4vw, 52px) 0 clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(14, 17, 22, 0.85), rgba(7, 8, 10, 0));
}

.page-faq .faq-next h2 {
  margin: 0 0 20px;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 2px 14px 14px 2px;
  background: var(--panel);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-next__card:hover {
  border-color: var(--cyan);
  background: var(--panel-2);
  transform: translateY(-2px);
}

.page-faq .faq-next__tag {
  align-self: flex-start;
}

.page-faq .faq-next__name {
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
}

.page-faq .faq-next__hint {
  margin-top: auto;
  font-size: 13px;
  color: var(--dim);
  transition: color 0.18s ease;
}

.page-faq .faq-next__card:hover .faq-next__hint {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-faq .faq-band__jump {
    display: none;
  }

  .page-faq .faq-item__q {
    padding: 14px 14px;
    gap: 10px;
  }

  .page-faq .faq-item__a {
    padding: 12px 14px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-band,
  .page-faq .faq-hot__link,
  .page-faq .faq-item,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-next__card,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-band:hover,
  .page-faq .faq-next__card:hover {
    transform: none;
  }
}
<<<END>>>