.page-faq {
  --faq-card: #121a45;
  --faq-card-soft: rgba(20, 27, 77, 0.72);
  --faq-edge: rgba(233, 236, 247, 0.12);
  --faq-edge-strong: rgba(233, 236, 247, 0.26);
  --faq-shadow: 0 24px 48px -34px rgba(0, 0, 0, 0.95);
  background: var(--indigo);
  color: var(--ink-body);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
  margin: 0;
}

.page-faq p {
  margin: 0;
}

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

.page-faq .eyebrow {
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(180deg, var(--void) 0%, var(--indigo) 82%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -22%;
  width: min(560px, 78%);
  aspect-ratio: 1 / 1.5;
  background: linear-gradient(150deg, rgba(255, 106, 43, 0.22), rgba(61, 224, 255, 0.14) 58%, transparent 84%);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -38%;
  width: 58%;
  height: 78%;
  background: radial-gradient(circle at 32% 52%, rgba(167, 139, 250, 0.18), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--stone);
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-hero-copy h1 {
  font-size: var(--fs-64);
  line-height: 1.06;
  max-width: 16ch;
  margin-bottom: 1.1rem;
}

.page-faq .faq-lede {
  max-width: 52ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-body);
}

.page-faq .faq-hero-panel {
  align-self: start;
  padding: 1.25rem 1.15rem 1.1rem;
  background: var(--faq-card-soft);
  border: 1px solid var(--faq-edge);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow);
  backdrop-filter: blur(6px);
}

.page-faq .faq-panel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.page-faq .faq-panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-faq .faq-panel-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.62rem 0.35rem;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-edge);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-panel-list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-panel-list a:hover,
.page-faq .faq-panel-list a:focus-visible {
  color: var(--cyan);
  padding-left: 0.7rem;
}

.page-faq .faq-panel-arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-faq .faq-panel-note {
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--faq-edge);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 分类入口 ---------- */
.page-faq .faq-entry {
  padding: clamp(2.25rem, 5vw, 4rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-entry-head {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-entry-head h2 {
  font-size: var(--fs-40);
  line-height: 1.15;
  margin-bottom: 0.7rem;
}

.page-faq .faq-entry-text {
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--stone);
  max-width: 46ch;
}

.page-faq .faq-search {
  align-self: end;
  padding: 1.1rem 1.1rem 1rem;
  background: var(--faq-card-soft);
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-search label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.6rem;
}

.page-faq .faq-search input {
  width: 100%;
  padding: 0.72rem 0.85rem;
  background: var(--indigo);
  border: 1px solid var(--faq-edge-strong);
  border-radius: var(--radius);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.5;
}

.page-faq .faq-search input::placeholder {
  color: var(--stone);
}

.page-faq .faq-search input:hover {
  border-color: var(--line-cyan);
}

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

.page-faq .faq-search-hint {
  margin-top: 0.7rem;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-search-hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .faq-search-hint a:hover,
.page-faq .faq-search-hint a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-entry-media {
  margin: 0 0 clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-entry-media img {
  width: 100%;
}

.page-faq .faq-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-cats li {
  display: flex;
}

.page-faq .faq-cat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  padding: 1.15rem 1.1rem 1.05rem;
  background: var(--faq-card);
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-faq .faq-cat:hover {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
  box-shadow: var(--faq-shadow);
}

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

.page-faq .faq-cat-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-cat-title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--mist);
}

.page-faq .faq-cat-text {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-cat-arrow {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-toc {
  align-self: start;
  min-width: 0;
}

.page-faq .faq-toc-inner {
  padding: 1rem 1rem 1.1rem;
  background: linear-gradient(180deg, rgba(20, 27, 77, 0.92), rgba(11, 16, 53, 0.92));
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
}

.page-faq .faq-toc-label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.7rem;
}

.page-faq .faq-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-faq .faq-toc a {
  display: flex;
  gap: 0.6rem;
  padding: 0.5rem 0.45rem;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--ink-body);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--cyan);
  background: rgba(61, 224, 255, 0.07);
  border-left-color: var(--cyan);
}

.page-faq .faq-toc a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--stone);
}

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

.page-faq .faq-sec {
  padding-top: clamp(2rem, 4vw, 3rem);
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-sec:first-child {
  padding-top: 0;
}

.page-faq .faq-sec-head {
  max-width: 68ch;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}

.page-faq .faq-sec-head h2 {
  font-size: var(--fs-40);
  line-height: 1.18;
  margin-bottom: 0.75rem;
}

.page-faq .faq-sec-head p {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 老用户权益 ---------- */
.page-faq .faq-perks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-perk {
  position: relative;
  padding: 1.2rem 1.15rem 1.15rem 1.4rem;
  background: var(--faq-card-soft);
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-perk::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  bottom: 1.15rem;
  width: 2px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 106, 43, 0));
}

.page-faq .faq-perk:hover {
  transform: translateY(-3px);
  border-color: var(--line-cyan);
}

.page-faq .faq-perk-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.page-faq .faq-perk h3 {
  font-size: var(--fs-20);
  margin-bottom: 0.45rem;
}

.page-faq .faq-perk p {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-body);
}

.page-faq .faq-callout {
  margin-top: 1.5rem;
  padding: 1.2rem 1.15rem;
  background: linear-gradient(135deg, rgba(255, 106, 43, 0.12), rgba(20, 27, 77, 0.9) 62%);
  border: 1px solid var(--faq-edge);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius);
}

.page-faq .faq-callout--cyan {
  background: linear-gradient(135deg, rgba(61, 224, 255, 0.12), rgba(20, 27, 77, 0.9) 62%);
  border-left-color: var(--cyan);
}

.page-faq .faq-callout h3 {
  font-size: var(--fs-20);
  margin-bottom: 0.5rem;
}

.page-faq .faq-callout p {
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--ink-body);
}

.page-faq .faq-callout a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .faq-callout a:hover,
.page-faq .faq-callout a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 六步说明 ---------- */
.page-faq .faq-steps-media {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-steps-media img {
  width: 100%;
}

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

.page-faq .faq-steps li {
  position: relative;
  padding: 0 0 1.75rem 3.6rem;
}

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

.page-faq .faq-steps li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 1.4rem;
  top: 3rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--line-cyan), rgba(233, 236, 247, 0.05));
}

.page-faq .faq-step-num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  border: 1px solid var(--line-cyan);
  background: rgba(61, 224, 255, 0.08);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
}

.page-faq .faq-step h3 {
  font-size: var(--fs-20);
  margin-bottom: 0.4rem;
}

.page-faq .faq-step p {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-body);
}

.page-faq .faq-step .tag {
  display: inline-block;
  margin-top: 0.6rem;
}

/* ---------- 常见问题折叠 ---------- */
.page-faq .faq-qa {
  margin-top: 0.5rem;
  border-top: 1px solid var(--faq-edge);
}

.page-faq .faq-qa details {
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-qa summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 0.2rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.65;
  color: var(--mist);
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

.page-faq .faq-qa summary:hover {
  color: var(--cyan);
}

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

.page-faq .faq-qa summary::after {
  content: "＋";
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-mono);
  color: var(--orange);
  line-height: 1.4;
}

.page-faq .faq-qa details[open] summary {
  color: var(--cyan);
}

.page-faq .faq-qa details[open] summary::after {
  content: "－";
  color: var(--gold);
}

.page-faq .faq-q-num {
  flex-shrink: 0;
  min-width: 2.1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--stone);
  padding-top: 0.28rem;
}

.page-faq .faq-qa details[open] .faq-q-num {
  color: var(--orange);
}

.page-faq .faq-a {
  padding: 0 0.2rem 1.2rem 2.95rem;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-body);
}

/* ---------- 版本适配 ---------- */
.page-faq .faq-compat {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-compat-card {
  padding: 1.15rem 1.1rem;
  background: var(--faq-card-soft);
  border: 1px solid var(--faq-edge);
  border-top: 2px solid var(--moss);
  border-radius: var(--radius);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-compat-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--cyan);
}

.page-faq .faq-compat-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 0.55rem;
}

.page-faq .faq-compat-card h3 {
  font-size: var(--fs-20);
  margin-bottom: 0.45rem;
}

.page-faq .faq-compat-card p:last-child {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-body);
}

/* ---------- 客服路径 ---------- */
.page-faq .faq-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: none;
}

.page-faq .faq-path li {
  position: relative;
  padding: 1.1rem 1.1rem 1.1rem 1.2rem;
  background: var(--faq-card);
  border: 1px solid var(--faq-edge);
  border-radius: var(--radius);
}

.page-faq .faq-path li::after {
  content: "";
  position: absolute;
  left: 1.2rem;
  bottom: 0;
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(61, 224, 255, 0));
}

.page-faq .faq-path-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.page-faq .faq-path h3 {
  font-size: var(--fs-20);
  margin-bottom: 0.45rem;
}

.page-faq .faq-path p {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ink-body);
}

.page-faq .faq-support-panel {
  margin-top: 1.5rem;
  padding: 1.3rem 1.2rem;
  display: grid;
  gap: 1.15rem;
  background: linear-gradient(140deg, rgba(255, 106, 43, 0.14), rgba(20, 27, 77, 0.92) 58%, rgba(11, 16, 53, 0.96));
  border: 1px solid var(--faq-edge-strong);
  border-radius: var(--radius);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-support-main h3 {
  font-size: var(--fs-28);
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

.page-faq .faq-support-main p {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-body);
  max-width: 58ch;
}

.page-faq .faq-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-content: start;
}

.page-faq .faq-support-actions .btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-faq .faq-support-note {
  margin-top: 1.15rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-support-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .faq-support-note a:hover,
.page-faq .faq-support-note a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-faq .faq-entry-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-support-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.5rem 1.4rem;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 1.5rem;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-perk,
  .page-faq .faq-compat-card,
  .page-faq .faq-panel-list a,
  .page-faq .faq-toc a {
    transition: none;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-perk:hover,
  .page-faq .faq-compat-card:hover {
    transform: none;
  }
}