/* ================= 帮助中心 page-faq ================= */
.page-faq {
  --group-accent: var(--electric);
  --faq-hair: rgba(10, 31, 68, .12);
  --faq-hero-pad: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(64px, 9vw, 120px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-faq .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-3);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}

.page-faq .breadcrumbs a {
  color: var(--ink-3);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

/* ---------- 页首 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: var(--faq-hero-pad);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 24px;
  top: var(--faq-hero-pad);
  width: 132px;
  height: 104px;
  background-image: radial-gradient(var(--faq-hair) 1px, transparent 1px);
  background-size: 12px 12px;
  opacity: .85;
  pointer-events: none;
}

.page-faq .faq-hero .eyebrow {
  color: var(--electric);
  letter-spacing: .14em;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--deep);
  margin: 12px 0 0;
}

.page-faq .faq-hero__lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.82;
  color: var(--ink-2);
}

.page-faq .faq-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  background: #fff;
  font-size: 13px;
  color: var(--ink-3);
}

.page-faq .faq-hero__k {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--deep);
}

/* ---------- 分组锚点导航 ---------- */
.page-faq .faq-anchors {
  position: sticky;
  top: var(--topbar-h);
  z-index: 6;
  margin-top: clamp(24px, 3.4vw, 40px);
  padding-top: 10px;
  padding-bottom: 12px;
  background: linear-gradient(180deg, var(--mist) 70%, rgba(245, 247, 251, 0) 100%);
}

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

.page-faq .faq-anchors__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  padding: 9px 16px 9px 13px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-anchors__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--electric);
}

.page-faq .faq-anchors__link:hover,
.page-faq .faq-anchors__link:focus-visible {
  border-color: var(--electric);
  color: var(--electric);
  box-shadow: 0 8px 20px -14px rgba(0, 102, 255, .95);
  transform: translateY(-1px);
}

.page-faq .faq-anchors__link:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 2px;
}

/* ---------- 分组通用 ---------- */
.page-faq .faq-group {
  padding-top: clamp(46px, 6vw, 82px);
  scroll-margin-top: calc(var(--topbar-h) + 84px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 24px;
  align-items: start;
  padding-top: 26px;
  border-top: 1px solid var(--faq-hair);
  transition: border-color .3s var(--ease);
}

.page-faq .faq-group__num {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 8.4vw, 88px);
  line-height: .78;
  letter-spacing: -.045em;
  color: var(--group-accent);
  transition: filter .3s var(--ease);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 2.8vw, 34px);
  line-height: 1.22;
  color: var(--deep);
  margin: 0;
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-3);
}

.page-faq .faq-group:target .faq-group__head {
  border-top-color: var(--group-accent);
}

.page-faq .faq-group:target .faq-group__num {
  filter: drop-shadow(0 0 18px rgba(77, 208, 225, .55));
}

/* 分组强调色 */
.page-faq .faq-group--enter { --group-accent: var(--electric); }
.page-faq .faq-group--account { --group-accent: var(--teal); }
.page-faq .faq-group--saved { --group-accent: var(--violet); }
.page-faq .faq-group--mobile { --group-accent: var(--cyan); }
.page-faq .faq-group--version { --group-accent: var(--wine); }
.page-faq .faq-group--more { --group-accent: var(--orange); }

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .faq-figure__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--deep) 56%, var(--teal) 100%);
  box-shadow: var(--shadow);
}

.page-faq .faq-group--mobile .faq-figure__media {
  background: linear-gradient(135deg, var(--teal) 0%, var(--deep) 62%, var(--violet) 100%);
}

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

.page-faq .faq-figure__cap {
  margin-top: 10px;
  padding-left: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .01em;
  color: var(--ink-3);
}

/* ---------- 手风琴面板 ---------- */
.page-faq .faq-accordion {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: #fff;
  overflow: hidden;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(10, 31, 68, .22);
}

.page-faq .faq-item[open] {
  border-color: color-mix(in srgb, var(--group-accent) 42%, transparent);
  box-shadow: 0 22px 44px -36px rgba(6, 21, 48, .85);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--group-accent) 100%);
  opacity: 0;
  transform: scaleY(.22);
  transform-origin: 50% 0;
  transition: opacity .25s var(--ease), transform .4s var(--ease);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 19px 56px 19px 24px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--deep);
  transition: color .2s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker { display: none; }
.page-faq .faq-item > summary::marker { content: ""; }

.page-faq .faq-item > summary:hover { color: var(--electric); }

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: -3px;
  border-radius: var(--r-md);
}

.page-faq .faq-item > summary::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  transform: translateY(0) rotate(45deg);
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: translateY(4px) rotate(-135deg);
  border-color: var(--group-accent);
}

.page-faq .faq-a {
  padding: 0 56px 22px 24px;
  max-width: 76ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-a p { margin: 0; }

.page-faq .faq-a a {
  color: var(--electric);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color .2s var(--ease);
}

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

/* ---------- 收尾支持区 ---------- */
.page-faq .faq-more {
  margin-top: 26px;
  border-radius: var(--r-xl);
  padding: clamp(26px, 5vw, 54px);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(75, 59, 143, .72) 0%, rgba(75, 59, 143, 0) 58%),
    linear-gradient(150deg, var(--indigo) 0%, var(--deep) 58%, var(--deep-ink) 100%);
  color: var(--mist);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-more__aside .faq-group__num {
  color: var(--orange);
  font-size: clamp(44px, 7vw, 76px);
}

.page-faq .faq-more__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.24;
  margin: 0;
  color: #fff;
}

.page-faq .faq-more__text {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 247, 251, .8);
}

.page-faq .faq-contacts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contacts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 18px;
  border: 1px solid rgba(245, 247, 251, .16);
  border-radius: var(--r-md);
  background: rgba(245, 247, 251, .05);
}

.page-faq .faq-contacts__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-contacts__value {
  font-size: 15.5px;
  line-height: 1.6;
  color: #fff;
  word-break: break-word;
}

.page-faq .copy-btn {
  align-self: flex-start;
  margin-top: 8px;
  padding: 7px 15px;
  border: 1px solid rgba(245, 247, 251, .34);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--mist);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: rgba(77, 208, 225, .16);
  border-color: var(--cyan);
  color: #fff;
  outline: none;
}

.page-faq .copy-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .copy-btn[data-copy-state="done"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-more__cta {
  justify-self: start;
  margin-top: 28px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 719px) {
  .page-faq .faq-hero::after { display: none; }

  .page-faq .faq-anchors {
    margin-left: -24px;
    margin-right: -24px;
    padding-left: 24px;
    padding-right: 24px;
  }

  .page-faq .faq-anchors__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-anchors__list::-webkit-scrollbar { display: none; }
}

@media (max-width: 899px) {
  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .faq-group__num {
    font-size: 52px;
    line-height: 1;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-item > summary {
    padding: 16px 48px 16px 16px;
    font-size: 15.5px;
  }

  .page-faq .faq-item > summary::after { right: 20px; }

  .page-faq .faq-a {
    padding: 0 48px 18px 16px;
    font-size: 15px;
  }

  .page-faq .faq-figure__media { border-radius: var(--r-md); }

  .page-faq .faq-more { border-radius: var(--r-lg); }
}

@media (min-width: 860px) {
  .page-faq .faq-more {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-contacts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contacts__wide {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }

  .page-faq .faq-anchors { position: static; }
}
<<<END>>>