.page-faq {
  display: block;
  padding: 0 16px 72px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  padding: 22px 4px 32px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20px -10% auto -10%;
  height: 150%;
  background:
    linear-gradient(135deg, rgba(53, 240, 214, 0.16), rgba(53, 240, 214, 0) 55%),
    linear-gradient(315deg, rgba(124, 92, 255, 0.2), rgba(124, 92, 255, 0) 52%);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 92%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

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

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-faq .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  color: var(--neon);
}

.page-faq .eyebrow {
  margin: 18px 0 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 9vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 4px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--neon), var(--violet));
  border-radius: 2px;
}

.page-faq .faq-hero__lead {
  max-width: 40ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero__stat b {
  font-family: var(--font-num);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

/* ---------- 主体三栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 28px;
}

/* ---------- 左侧分类轨道 ---------- */
.page-faq .faq-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .cat-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.page-faq .cat-btn__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-faq .cat-btn:hover,
.page-faq .cat-btn:focus-visible {
  border-color: var(--neon);
  color: var(--text);
  transform: translateX(2px);
  box-shadow: 0 0 0 1px rgba(53, 240, 214, 0.35);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-main {
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
  padding-left: 14px;
  border-left: 3px solid transparent;
  transition: border-color 0.2s ease;
}

.page-faq .faq-group:target {
  border-left-color: var(--neon);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-bottom: 12px;
}

.page-faq .faq-group__num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 5vw, 26px);
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-group__note {
  max-width: 44ch;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background 0.16s ease;
}

.page-faq .qa:first-of-type {
  border-top: 1px solid var(--line);
}

.page-faq .qa[open] {
  background: var(--panel);
  border-left: 3px solid var(--neon);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 14px 14px 12px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
}

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

.page-faq .qa__num {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .qa[open] .qa__num {
  color: var(--neon);
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--muted);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--neon);
}

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  background: var(--panel-high);
}

.page-faq .qa__a {
  padding: 0 18px 16px 42px;
}

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

.page-faq .qa__a a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 214, 0.4);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  border-bottom-color: var(--neon);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 18px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

/* ---------- 报错对照 ---------- */
.page-faq .err-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .err-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .err-row:last-child {
  border-bottom: none;
}

.page-faq .err-row:nth-child(even) {
  background: var(--panel-high);
}

.page-faq .err-row__code {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--neon);
  word-break: break-all;
}

.page-faq .err-row__name {
  font-size: 15px;
  color: var(--text);
}

.page-faq .err-row__fix {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .err-row__copy {
  justify-self: start;
  font-family: var(--font-num);
  font-size: 12px;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: 24px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(255, 138, 61, 0.12), rgba(124, 92, 255, 0.1) 60%, rgba(6, 10, 18, 0) 100%),
    var(--panel);
}

.page-faq .faq-help__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(20px, 5vw, 24px);
  color: var(--text);
}

.page-faq .faq-help p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-help p strong {
  font-family: var(--font-num);
  color: var(--text);
  letter-spacing: 0.03em;
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-help a.btn {
  text-decoration: none;
}

.page-faq .faq-figure--form {
  margin: 0;
}

/* ---------- 右侧窄栏 ---------- */
.page-faq .faq-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-aside__panel {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-faq .faq-aside__panel--alt {
  background: linear-gradient(160deg, rgba(124, 92, 255, 0.16), rgba(6, 10, 18, 0) 70%), var(--panel);
  border-color: rgba(124, 92, 255, 0.5);
}

.page-faq .faq-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .faq-aside__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-aside__link {
  display: block;
  padding: 8px 10px;
  border-left: 3px solid var(--line);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--panel-high);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  border-left-color: var(--neon);
  color: var(--text);
}

.page-faq .faq-aside__text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-aside__jump {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, 0.45);
}

.page-faq .faq-aside__jump:hover,
.page-faq .faq-aside__jump:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq {
    padding: 0 24px 88px;
  }

  .page-faq .err-row {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .err-row__copy {
    align-self: center;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    padding: 28px 26px;
  }

  .page-faq .faq-aside {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-faq .faq-aside__panel {
    flex: 1 1 220px;
  }
}

/* ---------- 桌面：左轨道 + 正文 + 窄栏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 32px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .cat-btn {
    white-space: normal;
  }

  .page-faq .faq-aside {
    flex-direction: column;
    flex-wrap: nowrap;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr) 252px;
    gap: 40px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-faq .faq-main {
    gap: 40px;
  }
}
<<<END>>>