.page-faq {
  --faq-panel: rgba(30, 20, 51, .74);
  --faq-hair: rgba(185, 173, 214, .16);
  --faq-line: rgba(168, 85, 247, .30);
}

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

.page-faq .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.6rem);
}

/* ---------- HERO ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.5rem) 0 clamp(2rem, 6vw, 3.75rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 120%;
  background:
    radial-gradient(60% 60% at 84% 10%, rgba(168, 85, 247, .22), transparent 65%),
    radial-gradient(55% 55% at 4% 90%, rgba(45, 212, 255, .14), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.75rem);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: .7rem 0 1rem;
  font-size: clamp(2.4rem, 10vw, 4.5rem);
  line-height: .98;
  letter-spacing: -.04em;
  font-weight: 900;
  color: var(--white);
}

.page-faq .faq-hero__title em {
  display: block;
  margin-top: .9rem;
  font-style: normal;
  font-size: clamp(.85rem, 2.6vw, 1.02rem);
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-hero__text {
  max-width: 46ch;
  color: var(--muted);
  font-size: clamp(.92rem, 2.5vw, 1rem);
  line-height: 1.85;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.35rem;
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--faq-hair);
  color: var(--muted);
  font-size: .84rem;
}

.page-faq .faq-hero__facts b {
  color: var(--blue);
  font-family: var(--font-geo);
  letter-spacing: .06em;
  margin-right: .25rem;
}

.page-faq .faq-hero__card {
  position: relative;
  padding: clamp(1.1rem, 4vw, 1.7rem);
  color: var(--white);
  background: linear-gradient(158deg, rgba(168, 85, 247, .18), rgba(30, 20, 51, .92) 58%);
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-faq .faq-tablet {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: .9rem auto .5rem;
  color: var(--violet);
}

.page-faq .faq-hero__card-title {
  margin: 0 0 .4rem;
  font-size: clamp(1.1rem, 3.4vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-hero__card-note {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.75;
}

/* ---------- 01 快速入口 ---------- */
.page-faq .faq-entry__inner {
  display: grid;
  gap: clamp(1.35rem, 4vw, 2.75rem);
  align-items: center;
}

.page-faq .faq-entry__figure .media-frame {
  border: 1px solid var(--faq-hair);
}

.page-faq .faq-entry__figure img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-entry__text h2 {
  margin: .6rem 0 .9rem;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--white);
}

.page-faq .faq-entry__text > p {
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.85;
}

.page-faq .faq-entry__list {
  list-style: none;
  margin: 1.35rem 0;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-faq .faq-entry__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .7rem;
  padding-top: .65rem;
  border-top: 1px dashed var(--faq-hair);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-entry__list span {
  font-family: var(--font-geo);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold);
  font-size: .78rem;
}

.page-faq .faq-entry__list strong {
  color: var(--white);
  font-weight: 700;
}

/* ---------- 02 问答区 ---------- */
.page-faq .faq-board__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-faq .faq-side-list {
  list-style: none;
  margin: .8rem 0 1.35rem;
  padding: 0;
  display: grid;
}

.page-faq .faq-side-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .6rem;
  padding: .6rem .1rem;
  border-bottom: 1px solid var(--faq-hair);
  color: var(--muted);
  font-size: .88rem;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-side-list a span {
  font-family: var(--font-geo);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-side-list a:hover,
.page-faq .faq-side-list a:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

.page-faq .faq-side-figure {
  border: 1px solid var(--faq-hair);
  overflow: hidden;
}

.page-faq .faq-side-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .82;
}

.page-faq .faq-board__title {
  margin: 0 0 .5rem;
  font-size: clamp(1.6rem, 5.4vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--white);
}

.page-faq .faq-board__note {
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.75;
}

/* 类别筛选 */
.page-faq .page-faq__filter {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: 1.4rem;
}

.page-faq .page-faq__filter input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .page-faq__filter label {
  cursor: pointer;
  padding: .42rem .9rem;
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
  color: var(--muted);
  font-size: .8rem;
  letter-spacing: .04em;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .page-faq__filter label:hover {
  border-color: var(--faq-line);
  color: var(--white);
}

.page-faq .page-faq__filter input:checked + label {
  background: linear-gradient(120deg, var(--violet), var(--blue));
  border-color: transparent;
  color: #0B0614;
  font-weight: 700;
}

.page-faq .page-faq__filter input:focus-visible + label {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .page-faq__filter:has(#faq-cat-account:checked) ~ .page-faq__list .qa:not([data-cat="account"]):not([data-cat="tag"]),
.page-faq .page-faq__filter:has(#faq-cat-sub:checked) ~ .page-faq__list .qa:not([data-cat="sub"]),
.page-faq .page-faq__filter:has(#faq-cat-device:checked) ~ .page-faq__list .qa:not([data-cat="device"]) {
  display: none;
}

/* 手风琴 */
.page-faq .qa {
  position: relative;
  margin-bottom: .7rem;
  background: var(--faq-panel);
  border: 1px solid var(--faq-hair);
  border-radius: 10px;
  scroll-margin-top: 6rem;
  transition: border-color .25s ease, background .25s ease;
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  border-radius: 10px 0 0 10px;
  background: var(--violet);
  opacity: .5;
  transition: background .25s ease, opacity .25s ease, box-shadow .25s ease;
}

.page-faq .qa:hover {
  border-color: var(--faq-line);
}

.page-faq .qa[open] {
  border-color: rgba(45, 212, 255, .38);
  background: linear-gradient(150deg, rgba(45, 212, 255, .10), rgba(30, 20, 51, .9) 55%);
}

.page-faq .qa[open]::before {
  background: var(--blue);
  opacity: 1;
  box-shadow: 0 0 16px rgba(45, 212, 255, .7);
}

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: .8rem;
  align-items: start;
  padding: 1rem 1.05rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__no {
  font-family: var(--font-geo);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: .22rem;
  transition: color .25s ease;
}

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

.page-faq .qa__q {
  font-size: .95rem;
  line-height: 1.6;
  font-weight: 700;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .qa__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: .35rem;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform .25s ease, background .25s ease;
}

.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--blue);
}

.page-faq .qa__body {
  padding: 0 1.05rem 1.15rem 2.6rem;
  border-top: 1px dashed var(--faq-hair);
  margin-top: .1rem;
  animation: faqDrop .28s ease both;
}

.page-faq .qa__body p {
  margin: .9rem 0 0;
  color: var(--muted);
  font-size: .89rem;
  line-height: 1.85;
}

@keyframes faqDrop {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 03 联系客服 ---------- */
.page-faq .faq-service__inner {
  display: grid;
  gap: clamp(1.35rem, 4vw, 2.5rem);
  align-items: start;
}

.page-faq .faq-service__text h2 {
  margin: .6rem 0 .9rem;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--white);
}

.page-faq .faq-service__text > p {
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.85;
}

.page-faq .faq-service__rules {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-service__rules li {
  padding-left: .9rem;
  border-left: 2px solid var(--faq-line);
  font-size: .87rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-service__rules strong {
  display: block;
  color: var(--white);
  font-size: .88rem;
  margin-bottom: .1rem;
}

.page-faq .faq-service__card {
  padding: clamp(1.15rem, 4vw, 1.75rem);
  background: linear-gradient(160deg, rgba(45, 212, 255, .12), rgba(30, 20, 51, .92) 60%);
  border: 1px solid var(--faq-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-service__label {
  margin: 0 0 .2rem;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .faq-service__mail {
  margin: 0 0 .75rem;
  font-family: var(--font-geo);
  font-size: clamp(.95rem, 3vw, 1.15rem);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-service__divider {
  height: 1px;
  margin: 1rem 0;
  background: var(--faq-hair);
}

.page-faq .faq-service__time {
  margin: 0 0 .3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .04em;
}

.page-faq .faq-service__hint {
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.7;
}

/* ---------- 04 全部问题 ---------- */
.page-faq .faq-map__list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: .1rem;
  counter-reset: faqmap;
}

.page-faq .faq-map__list a {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: .6rem;
  align-items: baseline;
  padding: .6rem .25rem;
  border-bottom: 1px solid var(--faq-hair);
  color: var(--muted);
  font-size: .87rem;
  line-height: 1.6;
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
}

.page-faq .faq-map__list a span {
  font-family: var(--font-geo);
  font-weight: 700;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-map__list a:hover,
.page-faq .faq-map__list a:focus-visible {
  color: var(--white);
  background: rgba(168, 85, 247, .10);
}

.page-faq .faq-map__links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
  margin-top: 1.6rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-map__links a {
  font-size: .84rem;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}

.page-faq .faq-map__links a:hover,
.page-faq .faq-map__links a:focus-visible {
  border-color: var(--blue);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-map__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.75rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: center;
  }

  .page-faq .faq-entry__inner {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

  .page-faq .faq-entry__figure {
    transform: translateY(-1.25rem);
  }

  .page-faq .faq-service__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-faq .faq-service__card {
    margin-top: -1.5rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-board__inner {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }

  .page-faq .faq-board__side {
    position: sticky;
    top: 6rem;
  }

  .page-faq .qa__q {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__body {
    animation: none;
  }

  .page-faq .faq-hero__card,
  .page-faq .faq-entry__figure,
  .page-faq .faq-service__card {
    transform: none;
  }

  .page-faq .qa,
  .page-faq .qa::before,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after {
    transition: none;
  }
}