.page-faq {
  --faq-gap: 72px;
  --faq-radius: 14px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 clamp(48px, 8vw, 88px);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -40px;
  height: 200px;
  background: radial-gradient(60% 100% at 30% 100%, rgba(86, 211, 230, .16), transparent 70%),
              radial-gradient(50% 100% at 80% 100%, rgba(231, 184, 92, .12), transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: end;
}

.page-faq .faq-hero__main {
  max-width: 42rem;
}

.page-faq .faq-hero__title {
  margin: 14px 0 20px;
  font-size: clamp(2.1rem, 9vw, 4.4rem);
  line-height: 1.06;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-shadow: 0 1px 0 rgba(231, 184, 92, .22);
}

.page-faq .faq-hero__title br {
  display: none;
}

.page-faq .faq-hero__lede {
  max-width: 38ch;
  color: var(--ink);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-right: 10px;
  border-right: 1px solid var(--line);
}

.page-faq .faq-hero__stats li:last-child {
  border-right: 0;
}

.page-faq .faq-hero__num {
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  line-height: 1;
  color: var(--gold);
  font-weight: 700;
}

.page-faq .faq-hero__unit {
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-faq .faq-hero__statlabel {
  font-size: .8125rem;
  color: var(--mist);
  line-height: 1.5;
}

/* ---------- 快速定位 ---------- */
.page-faq .faq-toolbar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-tabs .tab {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--mist);
  font-size: .875rem;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-tabs .tab[aria-selected="true"] {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--void);
  font-weight: 700;
}

.page-faq .faq-tabs .tab:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-faq .faq-tabs .tab[aria-selected="true"]:hover {
  color: var(--void);
}

.page-faq .faq-search {
  position: relative;
}

.page-faq .faq-search__input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(16, 26, 46, .72);
  color: var(--ink);
  font-size: .9375rem;
  font-family: var(--font-body);
}

.page-faq .faq-search__input::placeholder {
  color: var(--mist);
}

.page-faq .faq-search__input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: var(--cyan);
}

.page-faq .faq-empty {
  margin: 0 0 18px;
  padding: 14px 18px;
  border-left: 2px solid var(--clay);
  color: var(--mist);
  font-size: .9375rem;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-panel {
  border-top: 1px solid var(--line);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-list .accordion__item {
  position: relative;
  border-bottom: 1px solid var(--line);
  transition: background .2s var(--ease);
}

.page-faq .faq-list .accordion__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), transparent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .26s var(--ease);
}

.page-faq .faq-list .accordion__item:has(.accordion__btn[aria-expanded="true"])::before {
  transform: scaleY(1);
}

.page-faq .faq-list .accordion__item:hover {
  background: rgba(30, 35, 64, .45);
}

.page-faq .faq-q {
  margin: 0;
}

.page-faq .faq-q__btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 20px 14px 20px 18px;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font-size: 1rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: color .2s var(--ease);
}

.page-faq .faq-q__btn:hover {
  color: var(--gold);
}

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

.page-faq .faq-q__index {
  flex: 0 0 auto;
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--gold);
  padding-top: 3px;
  transition: transform .2s var(--ease);
}

.page-faq .faq-q__btn:hover .faq-q__index {
  transform: translateX(2px);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  line-height: 1.6;
}

.page-faq .faq-a {
  padding: 0 18px 22px 58px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.78;
}

/* ---------- 换设备查记录 ---------- */
.page-faq .faq-switch__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  gap: 16px;
  padding-bottom: 26px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line-strong), transparent);
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__n {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-size: .8125rem;
  color: var(--gold);
  background: var(--void);
}

.page-faq .faq-step__body {
  flex: 1 1 auto;
  min-width: 0;
  padding-top: 4px;
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .faq-step__text {
  margin: 0 0 10px;
  max-width: 44ch;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.78;
}

.page-faq .faq-step__toggle {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--cyan);
  font-size: .8125rem;
  letter-spacing: .06em;
  cursor: pointer;
  border-bottom: 1px dashed rgba(86, 211, 230, .5);
}

.page-faq .faq-step__toggle:hover {
  color: var(--gold);
  border-bottom-color: rgba(231, 184, 92, .6);
}

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

.page-faq .faq-step__tip {
  margin-top: 12px;
  padding: 12px 16px;
  border-left: 2px solid var(--amber);
  background: rgba(30, 35, 64, .7);
  border-radius: 0 8px 8px 0;
}

.page-faq .faq-step__tip p {
  margin: 0;
  color: var(--mist);
  font-size: .875rem;
  line-height: 1.72;
}

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

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

/* ---------- 电脑端账户设置能力 ---------- */
.page-faq .faq-caps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .faq-cap {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(160deg, rgba(30, 35, 64, .92), rgba(16, 26, 46, .92));
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-faq .faq-cap:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-faq .faq-cap__num {
  margin: 0 0 12px;
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-faq .faq-cap__title {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-cap__text {
  margin: 0 0 16px;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.75;
}

.page-faq .faq-cap__tag {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 记录保留 ---------- */
.page-faq .faq-ruler {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 34px;
}

.page-faq .faq-ruler__axis {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--gold) 42%, rgba(86, 211, 230, .55) 100%);
  border-radius: 2px;
}

.page-faq .faq-ruler__dot {
  position: absolute;
  top: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--amber);
}

.page-faq .faq-ruler__dot--now { left: 0; }
.page-faq .faq-ruler__dot--mid { left: 42%; border-color: var(--gold); }
.page-faq .faq-ruler__dot--far { right: 0; border-color: var(--cyan); }

.page-faq .faq-ruler__track {
  display: none;
}

.page-faq .faq-ruler__item {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: rgba(16, 26, 46, .74);
}

.page-faq .faq-ruler__value {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 1.125rem;
  color: var(--amber);
  letter-spacing: .02em;
}

.page-faq .faq-ruler__value .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-ruler__title {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-ruler__text {
  margin: 0;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.76;
}

.page-faq .faq-keep__note {
  position: relative;
  margin-top: 26px;
  padding: 30px 22px 22px;
}

.page-faq .faq-keep__note p {
  margin: 0 0 18px;
  max-width: 56ch;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.78;
}

.page-faq .faq-keep__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 账户安全 ---------- */
.page-faq .faq-safe__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-figure--safe img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-safe__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-safe__list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-safe__list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-safe__list h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-safe__list p {
  margin: 0;
  max-width: 52ch;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.76;
}

/* ---------- 专区入口 ---------- */
.page-faq .faq-zone__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .faq-zone__card {
  position: relative;
  padding: 30px 22px 22px;
}

.page-faq .faq-zone__card h3 {
  margin: 0 0 12px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-zone__card p {
  margin: 0;
  color: var(--mist);
  font-size: .9375rem;
  line-height: 1.78;
}

.page-faq .faq-zone__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 联系收口 ---------- */
.page-faq .faq-help__panel {
  position: relative;
  padding: clamp(30px, 6vw, 52px) clamp(22px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(86, 211, 230, .12), transparent 66%),
    linear-gradient(150deg, rgba(30, 35, 64, .96), rgba(7, 11, 20, .96));
  overflow: hidden;
}

.page-faq .faq-help__panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--gold), var(--amber) 55%, transparent);
}

.page-faq .faq-help__head {
  max-width: 44rem;
}

.page-faq .faq-help__head .lede {
  margin-top: 14px;
}

.page-faq .faq-help__ways {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .faq-help__ways li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(7, 11, 20, .55);
}

.page-faq .faq-help__label {
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-faq .faq-help__value {
  color: var(--gold);
  font-size: 1.0625rem;
  font-weight: 700;
  text-decoration: none;
  word-break: break-word;
}

.page-faq .faq-help__ways a.faq-help__value:hover {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-help__note {
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .page-faq .faq-search {
    flex: 0 1 300px;
  }

  .page-faq .faq-hero__stats {
    gap: 20px;
  }

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

  .page-faq .faq-ruler {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-hero__title br {
    display: block;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: 1fr;
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 28px;
  }

  .page-faq .faq-hero__stats li {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0 0 14px;
  }

  .page-faq .faq-hero__stats li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-faq .faq-hero__statlabel {
    margin-left: auto;
    text-align: right;
  }

  .page-faq .faq-switch__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-cap:nth-child(even) {
    transform: translateY(18px);
  }

  .page-faq .faq-cap:nth-child(even):hover {
    transform: translateY(16px);
  }

  .page-faq .faq-safe__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 52px;
    align-items: center;
  }

  .page-faq .faq-zone__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-help__ways {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cap,
  .page-faq .faq-q__index,
  .page-faq .faq-list .accordion__item::before {
    transition: none;
  }

  .page-faq .faq-cap:hover {
    transform: none;
  }

  .page-faq .faq-cap:nth-child(even) {
    transform: none;
  }
}