.page-faq {
  --faq-line: rgba(201, 162, 74, .38);
  --faq-surface: rgba(11, 47, 38, .6);
  --faq-surface-strong: rgba(11, 47, 38, .92);
  padding-bottom: 72px;
}

.page-faq .anno {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 10px 0 34px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__anno {
  margin: 0 0 14px;
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-size: clamp(38px, 12vw, 104px);
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--paper);
  text-shadow: 4px 4px 0 rgba(255, 46, 147, .28);
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--paper);
  font-size: 17px;
  line-height: 1.75;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 26px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  padding: 6px 0 6px 14px;
  border-left: 3px solid var(--gold);
  color: var(--moss);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-hero__stats .mono {
  color: var(--amber);
  font-size: 16px;
  margin-right: 4px;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  margin-top: 52px;
}

.page-faq .faq-index__body {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-faq .index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-faq .index-tile {
  --tile-accent: var(--gold);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 118px;
  padding: 20px 15px 15px;
  background: var(--indigo);
  color: var(--paper);
  text-decoration: none;
  border: 2px solid var(--faq-line);
  box-shadow: var(--hard-shadow);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .index-tile::before {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  top: -2px;
  height: 5px;
  background: var(--tile-accent);
}

.page-faq .index-tile:hover,
.page-faq .index-tile:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--neon);
  box-shadow: 9px 9px 0 rgba(53, 242, 224, .3);
  outline: none;
}

.page-faq .index-tile__no {
  color: var(--neon);
  font-size: 12px;
  letter-spacing: .18em;
}

.page-faq .index-tile__name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.35;
}

.page-faq .index-tile__meta {
  margin-top: auto;
  color: var(--moss);
  font-size: 12px;
  letter-spacing: .02em;
}

.page-faq .index-tile--account {
  --tile-accent: var(--neon);
  background: linear-gradient(158deg, #0B2F26, #07110E);
}

.page-faq .index-tile--rank {
  --tile-accent: var(--gold);
  background: linear-gradient(158deg, #241B4A, #100B24);
}

.page-faq .index-tile--rookie {
  --tile-accent: var(--magenta);
  background: linear-gradient(158deg, #5B1230, #24081A);
}

.page-faq .index-tile--record {
  --tile-accent: var(--amber);
  background: linear-gradient(158deg, #0F3B30, #071C17);
}

.page-faq .index-tile--device {
  --tile-accent: var(--neon);
  background: linear-gradient(158deg, #1C1640, #0C0A1E);
}

.page-faq .index-tile--service {
  --tile-accent: var(--gold);
  background: linear-gradient(158deg, #4A0F28, #1E0712);
}

.page-faq .faq-index__figure {
  margin: 0;
  border: 2px solid var(--faq-line);
  box-shadow: var(--hard-shadow);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  margin-top: 60px;
}

.page-faq .faq-group {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--header-offset) + 18px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-group__no {
  color: var(--magenta);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .faq-group__head .section__title {
  margin: 0;
  font-size: clamp(24px, 5vw, 34px);
  letter-spacing: -.01em;
}

.page-faq .faq-group__meta {
  margin: 0 0 0 auto;
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  background: var(--faq-surface);
  border-left: 4px solid var(--gold);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--neon);
  background: var(--faq-surface-strong);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
}

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

.page-faq .qa__q:hover .qa__text {
  color: var(--neon);
}

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 4px;
  color: var(--neon);
  font-size: 12.5px;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  transition: color .16s var(--ease);
}

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 7px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform .2s var(--ease), background .2s var(--ease);
}

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

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

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

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

.page-faq .qa__a {
  padding: 0 16px 18px 42px;
  color: var(--paper);
}

.page-faq .qa__a a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__verdict {
  margin: 0 0 14px;
  padding: 8px 0 8px 13px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 194, 75, .06);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.7;
}

.page-faq .qa__more {
  margin: 14px 0 0;
  color: var(--moss);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 步骤流程 ---------- */
.page-faq .flow {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqflow;
}

.page-faq .flow > li {
  position: relative;
  counter-increment: faqflow;
  margin-left: 12px;
  padding: 0 0 16px 32px;
  border-left: 1px dashed var(--faq-line);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .flow > li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .flow > li::before {
  content: counter(faqflow, decimal-leading-zero);
  position: absolute;
  left: -13px;
  top: 1px;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--gold);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}

.page-faq .flow a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 平板示意图 ---------- */
.page-faq .faq-device__figure {
  margin: 0 0 24px;
  border: 2px solid var(--faq-line);
  box-shadow: var(--hard-shadow);
}

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

/* ---------- 侧栏 ---------- */
.page-faq .faq-aside {
  margin-top: 8px;
}

.page-faq .faq-aside__card {
  margin-bottom: 16px;
}

.page-faq .faq-aside__card .card__title {
  margin: 0 0 10px;
  font-size: 17px;
  letter-spacing: -.01em;
}

.page-faq .faq-aside__card .card__meta {
  margin: 0;
  color: var(--moss);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-aside__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-aside__links li + li {
  margin-top: 10px;
}

.page-faq .faq-aside__links .footer-link {
  display: inline-block;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .faq-aside__contact {
  margin: 0 0 6px;
  color: var(--amber);
  font-size: 14px;
  word-break: break-all;
}

.page-faq .faq-aside__back {
  display: inline-block;
}

/* ---------- 兜底联系 ---------- */
.page-faq .faq-contact {
  margin-top: 20px;
  scroll-margin-top: calc(var(--header-offset) + 18px);
}

.page-faq .faq-contact__panel {
  display: grid;
  gap: 26px;
  padding: 28px 20px;
  background: linear-gradient(150deg, rgba(11, 47, 38, .95), rgba(36, 27, 74, .9));
  border: 2px solid var(--gold);
  box-shadow: var(--hard-shadow);
}

.page-faq .faq-contact__lead .section__title {
  margin: 0 0 12px;
  font-size: clamp(26px, 6vw, 40px);
  letter-spacing: -.01em;
}

.page-faq .faq-contact__lead .lead {
  margin: 0 0 20px;
  color: var(--paper);
}

.page-faq .faq-contact__facts {
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__fact {
  padding: 12px 14px;
  background: rgba(7, 17, 14, .55);
  border-left: 3px solid var(--neon);
}

.page-faq .faq-contact__label {
  margin: 0 0 4px;
  color: var(--moss);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-contact__value {
  margin: 0;
  color: var(--paper);
  font-size: 16px;
  word-break: break-all;
}

.page-faq .faq-contact__checklist-title {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 16px;
  letter-spacing: .01em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact__panel {
    padding: 34px 30px;
  }

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

@media (min-width: 768px) {
  .page-faq .faq-index__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, .62fr);
    align-items: start;
  }

  .page-faq .faq-index__figure {
    position: sticky;
    top: calc(var(--header-offset) + 20px);
  }

  .page-faq .qa__q {
    font-size: 17.5px;
    padding: 17px 20px;
  }

  .page-faq .qa__a {
    padding: 0 22px 20px 52px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-aside__inner {
    position: sticky;
    top: calc(var(--header-offset) + 20px);
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    padding: 40px 38px;
  }

  .page-faq .faq-contact__lead {
    grid-column: 1;
  }

  .page-faq .faq-contact__facts {
    grid-column: 2;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .index-tile,
  .page-faq .qa,
  .page-faq .qa__text,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after {
    transition: none;
  }

  .page-faq .index-tile:hover,
  .page-faq .index-tile:focus-visible {
    transform: none;
  }
}