.page-faq {
  --c-card: rgba(255, 255, 255, 0.05);
  --c-card-border: rgba(255, 255, 255, 0.2);
  --c-deep-2: #142A3D;
  --c-dark-shadow: rgba(0, 0, 0, 0.25);
  background: var(--c-bg);
  color: var(--c-text);
}

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

/* ========== Hero ========== */
.page-faq .faq-hero {
  background: linear-gradient(180deg, rgba(74, 13, 27, 0.6) 0%, rgba(26, 11, 46, 0) 82%);
  border-bottom: 1px solid var(--c-border);
  padding: 32px 0 24px;
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-text-dim);
  margin-bottom: 18px;
}

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

.page-faq .faq-breadcrumb a:hover {
  color: var(--c-neon);
}

.page-faq .faq-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 640px;
  color: var(--c-text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--c-border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-neon);
}

/* ========== 主体双栏 ========== */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 28px 16px 56px;
}

.page-faq .faq-sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-sidebar__box {
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: 22px;
  padding: 18px;
}

.page-faq .faq-sidebar__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-dim);
  margin: 0 0 12px;
}

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

.page-faq .faq-sidebar__list a {
  display: block;
  padding: 9px 14px;
  margin-bottom: 4px;
  border-radius: 999px;
  color: var(--c-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.page-faq .faq-sidebar__list a:hover {
  background: var(--c-orange);
  color: var(--c-bg);
  transform: translateX(4px);
}

.page-faq .faq-sidebar__contact-line {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-dim);
  overflow-wrap: anywhere;
}

.page-faq .faq-sidebar__version {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--c-neon);
  margin: 0 0 6px;
}

.page-faq .faq-sidebar__note {
  font-size: 12px;
  color: var(--c-text-dim);
  margin: 0;
}

/* ========== 区块通用 ========== */
.page-faq .faq-section {
  background: var(--c-card);
  border: 1px solid var(--c-card-border);
  border-radius: 28px;
  padding: 24px 18px;
  margin-bottom: 24px;
}

.page-faq .faq-section--deep {
  background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-deep-2) 100%);
  border-color: rgba(0, 229, 255, 0.35);
}

.page-faq .faq-section--red {
  background: linear-gradient(135deg, var(--c-bg-red) 0%, var(--c-bg-red-2) 100%);
  border-color: rgba(255, 62, 158, 0.4);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
}

.page-faq .faq-section__index {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-yellow);
  background: rgba(255, 200, 55, 0.12);
  border: 1px solid rgba(255, 200, 55, 0.4);
  padding: 4px 12px;
  border-radius: 999px;
}

.page-faq .faq-section--deep .faq-section__index {
  color: var(--c-cyan);
  background: rgba(0, 229, 255, 0.1);
  border-color: rgba(0, 229, 255, 0.4);
}

.page-faq .faq-section--red .faq-section__index {
  color: var(--c-magenta);
  background: rgba(255, 62, 158, 0.1);
  border-color: rgba(255, 62, 158, 0.4);
}

.page-faq .faq-section h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-section__lead {
  margin: 0 0 20px;
  color: var(--c-text-dim);
  font-size: 14px;
  line-height: 1.7;
}

/* ========== 常见问题手风琴 ========== */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-card-border);
  border-radius: 999px;
  overflow: hidden;
  transition: background-color var(--transition), border-color var(--transition);
}

.page-faq .faq-card[open] {
  background: rgba(255, 107, 53, 0.1);
  border-color: rgba(255, 107, 53, 0.55);
  border-radius: 26px;
}

.page-faq .faq-card__summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
}

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

.page-faq .faq-card__summary::marker {
  content: "";
  display: none;
}

.page-faq .faq-card__summary:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
}

.page-faq .faq-card__q {
  flex: 1;
}

.page-faq .faq-card__toggle {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-orange);
  position: relative;
  transition: background-color var(--transition);
}

.page-faq .faq-card__toggle::before,
.page-faq .faq-card__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--c-bg);
  border-radius: 2px;
}

.page-faq .faq-card:not([open]) .faq-card__toggle::before {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-card:not([open]) .faq-card__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-card[open] .faq-card__toggle {
  background: var(--c-neon);
}

.page-faq .faq-card[open] .faq-card__toggle::before {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.page-faq .faq-card[open] .faq-card__toggle::after {
  transform: translate(-50%, -50%) rotate(45deg);
}

.page-faq .faq-card__body {
  margin: 0 20px;
  padding: 12px 0 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

.page-faq .faq-card__body p {
  margin: 0;
}

.page-faq .faq-card__body a,
.page-faq .guide-step__card a,
.page-faq .method-item a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-faq .faq-card__body a:hover,
.page-faq .guide-step__card a:hover,
.page-faq .method-item a:hover {
  color: var(--c-neon);
  text-decoration: underline;
}

/* ========== 回访用户登录指引步骤 ========== */
.page-faq .guide-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-faq .guide-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: start;
}

.page-faq .guide-step__num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 800;
  background: var(--c-yellow);
  color: var(--c-bg);
}

.page-faq .guide-step:nth-child(1) .guide-step__num {
  background: var(--c-yellow);
  color: var(--c-bg);
  box-shadow: 0 0 18px rgba(255, 200, 55, 0.6);
}

.page-faq .guide-step:nth-child(2) .guide-step__num {
  background: var(--c-cyan);
  color: var(--c-bg);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.6);
}

.page-faq .guide-step:nth-child(3) .guide-step__num {
  background: var(--c-orange);
  color: var(--c-bg);
  box-shadow: 0 0 18px rgba(255, 107, 53, 0.6);
}

.page-faq .guide-step:nth-child(4) .guide-step__num {
  background: var(--c-magenta);
  color: var(--c-text);
  box-shadow: 0 0 18px rgba(255, 62, 158, 0.6);
}

.page-faq .guide-step__card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-border);
  border-radius: 22px;
  padding: 14px;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.page-faq .guide-step:nth-child(odd) .guide-step__card {
  transform: rotate(-0.4deg);
}

.page-faq .guide-step:nth-child(even) .guide-step__card {
  transform: rotate(0.4deg);
}

@media (hover: hover) {
  .page-faq .guide-step__card:hover {
    transform: translateY(-4px);
    border-color: var(--c-neon);
  }
}

.page-faq .guide-step__card img {
  width: 100%;
  border-radius: 14px;
  object-fit: cover;
  display: block;
}

.page-faq .guide-step__card h3 {
  margin: 12px 0 8px;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--c-yellow);
}

.page-faq .guide-step__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

/* ========== 安卓设备问题反馈专区 ========== */
.page-faq .android-box {
  display: grid;
  gap: 22px;
  background: var(--c-dark-shadow);
  border: 3px solid var(--c-magenta);
  border-radius: 26px;
  padding: 24px 18px;
  box-shadow: 0 0 36px rgba(255, 62, 158, 0.22);
}

.page-faq .android-box__tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--c-magenta);
  color: var(--c-text);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.page-faq .android-box h3 {
  margin: 0 0 14px;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--c-text);
}

.page-faq .android-box__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .android-box__list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.page-faq .android-box__label {
  flex: 0 0 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-neon);
  padding-top: 2px;
}

.page-faq .android-box__note {
  font-size: 14px;
  color: var(--c-yellow);
  font-weight: 700;
  margin: 0;
}

.page-faq .android-box__aside {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 18px;
}

.page-faq .android-box__aside h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.page-faq .android-box__aside ul {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--c-text-dim);
  font-size: 13px;
  line-height: 1.6;
}

/* ========== 检索筛选方法 ========== */
.page-faq .method-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-faq .method-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-border);
  border-radius: 22px;
  padding: 14px;
  align-items: center;
  transition: border-color var(--transition), background-color var(--transition);
}

.page-faq .method-item:hover {
  border-color: var(--c-orange);
  background: rgba(255, 107, 53, 0.08);
}

.page-faq .method-item img {
  width: 100%;
  border-radius: 18px;
  object-fit: cover;
  display: block;
}

.page-faq .method-item h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--c-mango);
}

.page-faq .method-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

/* ========== 桌面端增强 ========== */
@media (min-width: 768px) {
  .page-faq .faq-section {
    padding: 32px 28px;
    margin-bottom: 32px;
  }

  .page-faq .guide-step {
    grid-template-columns: 72px 1fr;
    gap: 20px;
  }

  .page-faq .guide-step__num {
    width: 60px;
    height: 60px;
    font-size: 22px;
  }

  .page-faq .guide-step__card {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 18px;
    align-items: center;
    padding: 16px;
  }

  .page-faq .guide-step__card img {
    max-width: 220px;
  }

  .page-faq .guide-step__card h3 {
    margin-top: 0;
  }

  .page-faq .android-box {
    grid-template-columns: 1.4fr 1fr;
    gap: 28px;
    padding: 30px 26px;
  }

  .page-faq .method-item {
    grid-template-columns: 300px 1fr;
    gap: 20px;
    padding: 16px;
  }

  .page-faq .method-item img {
    max-width: 350px;
  }

  .page-faq .method-item--reverse img {
    order: 2;
  }

  .page-faq .method-item--reverse .method-item__text {
    order: 1;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 48px 0 32px;
  }

  .page-faq .faq-body {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 40px;
    padding: 40px 0 72px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }

  .page-faq .guide-step:nth-child(odd) .guide-step__card,
  .page-faq .guide-step:nth-child(even) .guide-step__card {
    transform: none;
  }
}