.page-faq {
  --faq-gold-soft: #f3d98b;
  --faq-gold-deep: #b8912e;
  --faq-panel-radius: 18px;
  background: var(--clr-cream);
  color: var(--clr-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== 首屏 / 支持索引 ===== */
.faq-hero {
  position: relative;
  padding: 1.75rem 0 3rem;
  background: linear-gradient(180deg, var(--clr-white) 0%, var(--clr-cream) 100%);
  border-bottom: 1px solid var(--clr-gold);
  overflow: hidden;
}
.faq-hero::before {
  content: "";
  position: absolute;
  top: 1.25rem;
  right: -5rem;
  width: 17rem;
  height: 17rem;
  background: var(--clr-deep-blue);
  border-radius: var(--radius-md);
  transform: rotate(15deg);
  opacity: 0.92;
  z-index: 0;
}
.faq-hero::after {
  content: "";
  position: absolute;
  top: 2.9rem;
  right: -1.5rem;
  width: 12rem;
  height: 12rem;
  border: 2px solid var(--clr-gold);
  border-radius: 50%;
  z-index: 0;
}
.faq-hero .container {
  position: relative;
  z-index: 1;
}
.faq-hero .breadcrumb {
  margin-bottom: 1.75rem;
}
.faq-hero-grid {
  display: grid;
  gap: 1.75rem;
}
.faq-hero-title {
  max-width: 44rem;
}
.faq-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin: 0 0 0.4rem;
}
.faq-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4.2vw, 2.55rem);
  line-height: 1.24;
  color: var(--clr-deep-blue);
  margin: 0 0 0.9rem;
  letter-spacing: 0.01em;
}
.faq-hero-lead {
  font-size: 1.02rem;
  color: #4a3d31;
  margin: 0 0 1.1rem;
  max-width: 40em;
}
.faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.faq-search {
  justify-self: start;
  width: 100%;
  max-width: 26rem;
  background: var(--clr-white);
  border: 1px solid var(--clr-gold);
  border-left: 6px solid var(--clr-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 1.15rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.faq-search-icon {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--clr-primary);
}
.faq-search-icon::before {
  content: "\2315";
}
.faq-search-text {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-deep-blue);
  line-height: 1.4;
}
.faq-search-hint {
  font-size: 0.86rem;
  color: rgba(43, 30, 22, 0.62);
  margin-top: 0.2rem;
}

/* ===== 01 换设备登录指引 ===== */
.faq-transferer {
  position: relative;
  padding: 2.6rem 0 3rem;
  background: linear-gradient(135deg, #f3d98b 0%, #e6c159 52%, #d4af37 100%);
  color: var(--clr-dark);
  border-bottom: 3px double var(--faq-gold-deep);
}
.faq-section-heading {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.8rem;
}
.faq-section-index {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.6rem;
  height: 2.6rem;
  padding: 0 0.5rem;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-top: 0.15rem;
}
.faq-section-heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  line-height: 1.3;
  margin: 0 0 0.3rem;
}
.faq-section-heading p:last-child {
  margin: 0;
  opacity: 0.86;
  max-width: 40em;
  font-size: 0.94rem;
}
.faq-transferer .faq-kicker {
  color: var(--clr-deep-blue);
  opacity: 0.75;
}
.faq-transferer-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.faq-step {
  position: relative;
  display: flex;
  gap: 1.1rem;
  padding-bottom: 1.6rem;
}
.faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.74rem;
  top: 3.6rem;
  bottom: 0.2rem;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(43, 30, 22, 0.45) 0 6px,
    transparent 6px 12px
  );
}
.faq-step:last-child {
  padding-bottom: 0;
}
.faq-step-num {
  flex: 0 0 auto;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  border: 2px solid var(--clr-dark);
  background: var(--clr-white);
  color: var(--clr-dark);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.45);
  position: relative;
  z-index: 1;
}
.faq-step-body h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.35;
  margin: 0 0 0.35rem;
}
.faq-step-body p {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  max-width: 34em;
}
.faq-step-body .btn {
  margin-top: 0.15rem;
}
.page-faq .faq-transferer .btn-outline {
  border-color: var(--clr-dark);
  color: var(--clr-dark);
  background: transparent;
}
.page-faq .faq-transferer .btn-outline:hover {
  background: var(--clr-dark);
  color: var(--faq-gold-soft);
}
.faq-transferer-figure {
  margin: 0;
  padding: 0.75rem;
  background: var(--clr-white);
  border: 1px solid var(--clr-dark);
  box-shadow: 5px 5px 0 rgba(43, 30, 22, 0.85);
}
.faq-transferer-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(43, 30, 22, 0.35);
}
.faq-transferer-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.79rem;
  color: rgba(43, 30, 22, 0.75);
  padding: 0.65rem 0.2rem 0.1rem;
}
.faq-note {
  margin-top: 2rem;
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(43, 30, 22, 0.32);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.15rem;
}
.faq-note-mark {
  flex: 0 0 auto;
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--clr-white);
  background: var(--clr-deep-blue);
  border-radius: 50%;
}
.faq-note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== 分类手风琴区 ===== */
.faq-categories {
  padding: 2.75rem 0 1.5rem;
}
.faq-cat {
  border-radius: var(--faq-panel-radius);
  box-shadow: var(--shadow-md);
  padding: 1.75rem 1.4rem 1.5rem;
  margin-bottom: 2rem;
}
.faq-cat--account {
  background: var(--clr-primary);
  color: var(--clr-white);
  border: 1px solid #8f1a29;
  border-top: 4px solid var(--clr-gold);
}
.faq-cat--download {
  background: var(--clr-deep-blue);
  color: rgba(255, 255, 255, 0.92);
  border: 1px solid #12203a;
  border-top: 4px solid var(--clr-gold);
}
.faq-cat--replay {
  background: var(--clr-white);
  color: var(--clr-dark);
  border: 1px solid rgba(43, 30, 22, 0.12);
  border-top: 4px solid var(--clr-gold);
}
.faq-cat-head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.3rem;
}
.faq-cat-head h2 {
  font-family: var(--font-serif);
  font-size: 1.42rem;
  line-height: 1.3;
  margin: 0;
}
.faq-cat--account .faq-cat-head h2,
.faq-cat--download .faq-cat-head h2 {
  color: var(--clr-white);
}
.faq-cat--account .faq-kicker,
.faq-cat--download .faq-kicker {
  color: var(--clr-gold);
}
.faq-cat--account .faq-section-index,
.faq-cat--download .faq-section-index {
  border-color: var(--clr-gold);
  color: var(--clr-gold);
}
.faq-cat-grid {
  display: grid;
  gap: 1.5rem;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.faq-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 0.95rem 3rem 0.95rem 1.2rem;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.5;
  position: relative;
  transition: background 0.2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  background: rgba(255, 255, 255, 0.06);
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 400;
  opacity: 0.8;
  line-height: 1;
}
.faq-item[open] summary::after {
  content: "\2212";
}
.faq-item summary:focus-visible {
  outline: 2px solid var(--clr-gold);
  outline-offset: -2px;
}
.faq-item-body {
  padding: 0 1.25rem 1.05rem 1.2rem;
  font-size: 0.93rem;
  line-height: 1.75;
  margin: 0;
}
.faq-cat--download .faq-item {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}
.faq-cat--replay .faq-item {
  background: var(--clr-cream);
  border-color: rgba(43, 30, 22, 0.12);
}
.faq-cat--replay .faq-item summary:hover {
  background: rgba(212, 175, 55, 0.12);
}
.faq-cat--replay .faq-item-body {
  color: #4a3d31;
}
.faq-cat--account .faq-item summary,
.faq-cat--download .faq-item summary {
  color: var(--clr-white);
}
.faq-cat--account .faq-item-body,
.faq-cat--download .faq-item-body {
  color: rgba(255, 255, 255, 0.86);
}
.faq-cat-figure {
  margin: 0;
  padding: 0.6rem;
  background: var(--clr-white);
  border: 1px solid rgba(43, 30, 22, 0.15);
  border-radius: var(--radius-sm);
}
.faq-cat--account .faq-cat-figure,
.faq-cat--download .faq-cat-figure {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
}
.faq-cat-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}
.faq-cat-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.6rem 0.2rem 0.05rem;
  opacity: 0.75;
}
.faq-list--wide {
  display: grid;
  gap: 0.7rem;
}

/* ===== 05 联系支持 ===== */
.faq-contact {
  position: relative;
  background: var(--clr-dark);
  color: var(--clr-white);
  padding: 2.6rem 0 3rem;
  border-top: 4px solid var(--clr-gold);
  overflow: hidden;
}
.faq-contact .faq-kicker {
  color: var(--clr-gold);
}
.faq-contact .faq-section-index {
  border-color: var(--clr-gold);
  color: var(--clr-gold);
}
.faq-contact h2 {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  line-height: 1.3;
  margin: 0 0 0.5rem;
}
.faq-contact p {
  opacity: 0.85;
  max-width: 36em;
}
.faq-contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}
.faq-contact-intro {
  max-width: 38rem;
}
.faq-contact-intro .btn {
  margin-top: 0.6rem;
}
.faq-contact-channels {
  display: grid;
  gap: 1rem;
}
.faq-channel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-left: 4px solid var(--clr-gold);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
}
.faq-channel-label {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-gold);
  display: block;
  margin-bottom: 0.3rem;
}
.faq-channel-value {
  font-size: 1.05rem;
  font-weight: 600;
  opacity: 1;
  margin: 0 0 0.25rem;
}
.faq-channel p {
  margin: 0.25rem 0 0;
  font-size: 0.87rem;
  opacity: 0.75;
}
.faq-contact-deco {
  position: absolute;
  right: -2.5rem;
  bottom: -2.5rem;
  width: 17rem;
  height: 17rem;
  opacity: 0.22;
  pointer-events: none;
}

/* ===== 手风琴展开动画 ===== */
@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.faq-item[open] .faq-item-body {
  animation: faq-reveal 0.25s ease-out;
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .faq-hero {
    padding: 2.5rem 0 4rem;
  }
  .faq-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }
  .faq-search {
    justify-self: end;
  }
  .faq-transferer {
    padding: 3.5rem 0 4rem;
  }
  .faq-transferer-grid {
    grid-template-columns: 7fr 5fr;
  }
  .faq-categories {
    padding: 3.5rem 0 2rem;
  }
  .faq-cat {
    padding: 2rem 2rem 1.75rem;
  }
  .faq-cat-grid {
    grid-template-columns: 5fr 6fr;
    align-items: center;
  }
  .faq-cat--download .faq-cat-grid {
    grid-template-columns: 6fr 5fr;
  }
  .faq-cat--download .faq-cat-figure {
    order: -1;
  }
  .faq-list--wide {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .faq-contact-grid {
    grid-template-columns: 5fr 6fr;
    align-items: center;
    gap: 3rem;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 1024px) {
  .faq-hero {
    padding: 3rem 0 4.5rem;
  }
  .faq-transferer {
    padding: 4rem 0 4.5rem;
  }
  .faq-categories {
    padding: 4.5rem 0 2.5rem;
  }
  .faq-cat {
    margin-bottom: 2.5rem;
  }
  .faq-contact {
    padding: 3.5rem 0 4rem;
  }
}

/* ===== 减弱动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .faq-item[open] .faq-item-body {
    animation: none;
  }
  .faq-step,
  .faq-cat,
  .faq-search,
  .faq-item summary {
    transition: none;
  }
  .faq-hero::before,
  .faq-hero::after {
    transform: none;
  }
}