.page-faq {
  --faq-flow: 64ch;
  --faq-tone: var(--gd-gold);
  background: var(--gd-obsidian);
  color: var(--gd-cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--gd-header-h) + 88px) 0 60px;
  border-bottom: 1px solid var(--gd-line-soft);
}

.page-faq .faq-hero__deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(114deg, rgba(27, 20, 8, .92) 0%, rgba(27, 20, 8, .30) 46%, rgba(5, 5, 7, 0) 68%),
    radial-gradient(58% 66% at 90% 8%, rgba(201, 162, 39, .20), transparent 70%),
    radial-gradient(46% 52% at 4% 96%, rgba(124, 77, 255, .16), transparent 72%),
    radial-gradient(38% 44% at 62% 108%, rgba(0, 209, 255, .12), transparent 74%);
}

.page-faq .faq-hero__ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 128px;
  pointer-events: none;
  opacity: .85;
  background: linear-gradient(180deg, transparent, rgba(201, 162, 39, .08));
  clip-path: polygon(0 100%, 0 64%, 9% 42%, 17% 60%, 26% 30%, 34% 54%, 43% 24%, 52% 52%, 61% 32%, 70% 58%, 79% 36%, 88% 60%, 96% 44%, 100% 62%, 100% 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
}

.page-faq .gd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--gd-font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--gd-haze);
  margin-bottom: 28px;
}

.page-faq .gd-breadcrumb a {
  color: var(--gd-gold);
  text-decoration: none;
}

.page-faq .gd-breadcrumb a:hover {
  color: var(--gd-gold-hi);
}

.page-faq .faq-hero__title {
  font-family: var(--gd-font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7.4vw, 6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  max-width: 17ch;
  color: var(--gd-cream);
}

.page-faq .faq-hero__lead {
  max-width: var(--faq-flow);
  color: var(--gd-cream);
  opacity: .86;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--gd-line);
  border-radius: var(--gd-radius-pill);
  font-family: var(--gd-font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--gd-cream);
  text-decoration: none;
  background: rgba(14, 14, 19, .58);
  transition: border-color .25s var(--gd-ease), color .25s var(--gd-ease), transform .25s var(--gd-ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--gd-gold-hi);
  color: var(--gd-gold-hi);
  transform: translateY(-2px);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-section {
  padding: clamp(46px, 6.5vw, 84px) 0;
  border-top: 1px solid var(--gd-line-soft);
}

.page-faq .faq-section:first-child {
  border-top: 0;
}

.page-faq .faq-head {
  max-width: var(--faq-flow);
  margin-bottom: 34px;
}

.page-faq .faq-head .gd-body {
  margin-top: 14px;
  color: var(--gd-haze);
}

/* ---------- 快速诊断 ---------- */
.page-faq .faq-diagnose__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-diagnose__figure {
  position: relative;
  margin: 0;
  border-radius: var(--gd-radius-lg);
  overflow: hidden;
  border: 1px solid var(--gd-line);
  background: linear-gradient(160deg, rgba(27, 20, 8, .9), rgba(14, 14, 19, .9));
  box-shadow: var(--gd-shadow-card);
}

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

.page-faq .faq-diagnose__figure .gd-media__cap,
.page-faq .faq-feedback__figure .gd-media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 18px;
  font-family: var(--gd-font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gd-cream);
  background: linear-gradient(180deg, transparent, rgba(5, 5, 7, .92));
}

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

.page-faq .faq-path {
  --tone: var(--gd-electric);
  position: relative;
  padding: 20px 22px 20px 28px;
  border: 1px solid var(--gd-line-soft);
  border-radius: var(--gd-radius-md);
  background: linear-gradient(180deg, rgba(14, 14, 19, .96), rgba(14, 14, 19, .70));
  transition: transform .3s var(--gd-ease), border-color .3s var(--gd-ease);
}

.page-faq .faq-path:hover {
  transform: translateX(4px);
  border-color: var(--gd-line);
}

.page-faq .faq-path::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: var(--gd-radius-pill);
  background: var(--tone);
  box-shadow: 0 0 16px var(--tone);
}

.page-faq .faq-path--open { --tone: var(--gd-electric); }
.page-faq .faq-path--sub { --tone: var(--gd-neon); }
.page-faq .faq-path--compat { --tone: var(--gd-gold); }
.page-faq .faq-path--archive { --tone: var(--gd-gold-hi); }

.page-faq .faq-path__no {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--tone);
}

.page-faq .faq-path__title {
  font-family: var(--gd-font-display);
  font-size: 1.16rem;
  line-height: 1.4;
  color: var(--gd-cream);
  margin: .4em 0 .45em;
}

.page-faq .faq-path__text {
  margin: 0 0 .7em;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--gd-haze);
}

.page-faq .faq-path__link {
  font-family: var(--gd-font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--gd-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, .4);
  padding-bottom: 2px;
}

.page-faq .faq-path__link:hover {
  color: var(--gd-gold-hi);
  border-bottom-color: var(--gd-gold-hi);
}

/* ---------- 双栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-spy {
  display: flex;
  flex-direction: row;
  gap: 4px;
  position: sticky;
  top: var(--gd-header-h);
  z-index: 6;
  overflow-x: auto;
  padding: 10px 0;
  margin-bottom: 6px;
  background: rgba(5, 5, 7, .94);
  border-bottom: 1px solid var(--gd-line-soft);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .faq-spy__link {
  white-space: nowrap;
}

.page-faq .faq-spy .gd-spy__link {
  display: block;
  padding: 8px 14px;
  font-family: var(--gd-font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--gd-haze);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--gd-radius-pill);
  transition: color .25s var(--gd-ease), border-color .25s var(--gd-ease), background .25s var(--gd-ease);
}

.page-faq .faq-spy .gd-spy__link[data-active] {
  color: var(--gd-gold-hi);
  border-color: var(--gd-line);
  background: rgba(201, 162, 39, .10);
}

.page-faq .faq-spy .gd-spy__link:hover {
  color: var(--gd-cream);
}

/* ---------- 问答 ---------- */
.page-faq .faq-group {
  margin-bottom: 34px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--gd-font-body);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gd-gold);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gd-line);
}

.page-faq .faq-group__title .gd-mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--gd-line);
  font-size: .74rem;
  color: var(--gd-gold-hi);
  letter-spacing: 0;
}

.page-faq .faq-item {
  --tone: var(--gd-gold);
  border-bottom: 1px solid var(--gd-line-soft);
}

.page-faq .faq-item--open { --tone: var(--gd-electric); }
.page-faq .faq-item--sub { --tone: var(--gd-neon); }
.page-faq .faq-item--compat { --tone: var(--gd-gold); }
.page-faq .faq-item--archive { --tone: var(--gd-gold-hi); }

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: background .25s var(--gd-ease);
}

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

.page-faq .faq-item__q:hover {
  background: rgba(201, 162, 39, .05);
}

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--gd-gold);
  outline-offset: 2px;
}

.page-faq .faq-item__no {
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--tone);
  padding-top: 3px;
}

.page-faq .faq-item__text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gd-cream);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gd-gold);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::before {
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 14px;
  transition: transform .28s var(--gd-ease);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 4px 20px 46px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--gd-haze);
}

/* ---------- 提交流程 ---------- */
.page-faq .faq-feedback {
  display: grid;
  gap: 26px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--gd-line-soft);
}

.page-faq .faq-step:first-child {
  border-top: 1px dashed var(--gd-line-soft);
}

.page-faq .faq-step__no {
  font-size: 1.5rem;
  line-height: 1;
  color: rgba(201, 162, 39, .55);
  letter-spacing: .04em;
}

.page-faq .faq-step__title {
  font-family: var(--gd-font-display);
  font-size: 1.1rem;
  margin: 0 0 .35em;
  color: var(--gd-cream);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--gd-haze);
}

.page-faq .faq-feedback__figure {
  position: relative;
  margin: 0;
  border-radius: var(--gd-radius-lg);
  overflow: hidden;
  border: 1px solid var(--gd-line-soft);
  background: var(--gd-panel);
}

.page-faq .faq-feedback__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(200deg, rgba(124, 77, 255, .16), transparent 58%);
}

.page-faq .faq-feedback__note {
  margin: 24px 0 0;
  padding: 16px 20px;
  border-left: 2px solid var(--gd-electric);
  border-radius: 0 var(--gd-radius-md) var(--gd-radius-md) 0;
  background: rgba(0, 209, 255, .06);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--gd-cream);
}

/* ---------- 适配清单 ---------- */
.page-faq .faq-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-tile {
  padding: 24px 22px 26px;
  border: 1px solid var(--gd-line-soft);
  border-radius: var(--gd-radius-lg);
  background: linear-gradient(165deg, rgba(27, 20, 8, .78), rgba(14, 14, 19, .92));
  transition: transform .3s var(--gd-ease), box-shadow .3s var(--gd-ease);
}

.page-faq .faq-tile:nth-child(2) {
  border-color: var(--gd-line);
}

.page-faq .faq-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--gd-shadow-gold);
}

.page-faq .faq-tile__label {
  margin: 0 0 12px;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gd-gold);
}

.page-faq .faq-tile__title {
  font-family: var(--gd-font-display);
  font-size: 1.22rem;
  margin: 0 0 .5em;
  color: var(--gd-cream);
}

.page-faq .faq-tile__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--gd-haze);
}

.page-faq .faq-checklist__meta {
  margin: 22px 0 0;
  font-family: var(--gd-font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--gd-haze);
}

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

/* ---------- 旧版资料 ---------- */
.page-faq .faq-archive__index {
  border-top: 1px solid var(--gd-line);
}

.page-faq .faq-archive__index .gd-index__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "no meta"
    "name name";
  gap: 6px 14px;
  align-items: center;
  padding: 16px 6px;
  border-bottom: 1px solid var(--gd-line-soft);
  text-decoration: none;
  transition: background .25s var(--gd-ease);
}

.page-faq .faq-archive__index .gd-index__row:hover {
  background: rgba(201, 162, 39, .06);
}

.page-faq .faq-archive__index .gd-index__no {
  grid-area: no;
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--gd-gold-hi);
}

.page-faq .faq-archive__index .gd-index__name {
  grid-area: name;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--gd-cream);
}

.page-faq .faq-archive__index .gd-index__meta {
  grid-area: meta;
  font-family: var(--gd-font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gd-haze);
  white-space: nowrap;
}

/* ---------- 联系渠道 ---------- */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-channel {
  padding: 22px;
  border: 1px solid var(--gd-line-soft);
  border-radius: var(--gd-radius-md);
  background: rgba(14, 14, 19, .86);
}

.page-faq .faq-channel:first-child {
  border-color: var(--gd-line);
}

.page-faq .faq-channel__label {
  margin: 0 0 10px;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gd-gold);
}

.page-faq .faq-channel__value {
  margin: 0 0 16px;
  font-family: var(--gd-font-mono);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--gd-cream);
  word-break: break-word;
}

.page-faq .faq-channel__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--gd-haze);
}

.page-faq .faq-channel .gd-copy {
  font-family: var(--gd-font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--gd-gold-hi);
  background: transparent;
  border: 1px solid var(--gd-line);
  border-radius: var(--gd-radius-pill);
  padding: 8px 18px;
  cursor: pointer;
  transition: border-color .25s var(--gd-ease), color .25s var(--gd-ease), background .25s var(--gd-ease);
}

.page-faq .faq-channel .gd-copy:hover,
.page-faq .faq-channel .gd-copy:focus-visible {
  border-color: var(--gd-gold-hi);
  background: rgba(201, 162, 39, .12);
}

.page-faq .faq-service__meta {
  margin: 26px 0 0;
  font-family: var(--gd-font-mono);
  font-size: .76rem;
  line-height: 1.9;
  letter-spacing: .03em;
  color: var(--gd-haze);
}

.page-faq .faq-outro {
  margin-top: 30px;
  padding: 26px 24px;
  border: 1px solid var(--gd-line);
  border-radius: var(--gd-radius-lg);
  background:
    radial-gradient(90% 140% at 100% 0%, rgba(124, 77, 255, .18), transparent 62%),
    linear-gradient(150deg, rgba(27, 20, 8, .9), rgba(14, 14, 19, .95));
}

.page-faq .faq-outro__text {
  margin: 0 0 18px;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gd-cream);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-tiles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-archive__index .gd-index__row {
    grid-template-columns: 140px minmax(0, 1fr) auto;
    grid-template-areas: "no name meta";
    gap: 16px;
  }

  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-diagnose__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-hero {
    padding: calc(var(--gd-header-h) + 108px) 0 76px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-body {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-spy {
    flex-direction: column;
    position: sticky;
    top: calc(var(--gd-header-h) + 28px);
    overflow: visible;
    background: transparent;
    border-bottom: 0;
    padding: 0;
    margin-bottom: 0;
  }

  .page-faq .faq-spy .gd-spy__link {
    border-radius: 0 var(--gd-radius-pill) var(--gd-radius-pill) 0;
    border-left: 2px solid transparent;
    border-top: 1px solid transparent;
    border-right: 1px solid transparent;
    border-bottom: 1px solid transparent;
    padding: 10px 14px;
  }

  .page-faq .faq-spy .gd-spy__link[data-active] {
    border-left-color: var(--gd-gold);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-item__a {
    padding-left: 4px;
  }

  .page-faq .faq-hero__title {
    font-size: clamp(2.3rem, 10vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path,
  .page-faq .faq-tile,
  .page-faq .faq-jump__link,
  .page-faq .faq-item__sign::after {
    transition: none;
  }

  .page-faq .faq-path:hover,
  .page-faq .faq-tile:hover,
  .page-faq .faq-jump__link:hover {
    transform: none;
  }
}