.page-faq {
  background: var(--paper);
  color: var(--graphite);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(4.6rem, 9vw, 7.2rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -25% -12% auto -12%;
  height: 560px;
  z-index: -1;
  background:
    radial-gradient(closest-side at 18% 32%, rgba(30, 107, 255, 0.48), transparent 72%),
    radial-gradient(closest-side at 76% 18%, rgba(94, 231, 255, 0.3), transparent 72%),
    radial-gradient(closest-side at 62% 82%, rgba(255, 90, 31, 0.3), transparent 72%);
  filter: blur(6px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(115deg, rgba(247, 250, 255, 0.05) 0 1px, transparent 1px 62px);
  opacity: 0.75;
  pointer-events: none;
}

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

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  font-size: 0.8rem;
}

.page-faq .breadcrumbs__item {
  color: rgba(247, 250, 255, 0.62);
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.4rem;
  color: rgba(247, 250, 255, 0.32);
}

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

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  text-decoration: underline;
}

.page-faq .eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-faq .faq-hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--orange);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
  color: rgba(247, 250, 255, 0.8);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-faq .faq-hero__meta li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(247, 250, 255, 0.24);
  border-radius: 999px;
  color: rgba(247, 250, 255, 0.82);
}

/* ---------- 快速路径 ---------- */
.page-faq .faq-paths {
  position: relative;
  z-index: 3;
  margin-top: -2.4rem;
}

.page-faq .faq-paths__grid {
  display: grid;
  gap: 0.8rem;
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem 1.1rem 1.2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--path-accent, var(--blue));
  border-radius: var(--radius-m);
  text-decoration: none;
  color: inherit;
  box-shadow: 0 22px 42px -34px rgba(11, 14, 20, 0.85);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 26px 44px -26px rgba(11, 14, 20, 0.55);
}

.page-faq .faq-path--apple { --path-accent: var(--blue); }
.page-faq .faq-path--desktop { --path-accent: var(--orange); }
.page-faq .faq-path--watch { --path-accent: var(--neon); }

.page-faq .faq-path__kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #6b7482;
}

.page-faq .faq-path__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.32rem;
  line-height: 1.15;
  color: var(--ink);
}

.page-faq .faq-path__text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #4a5464;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 1rem;
  padding-top: clamp(1.4rem, 4vw, 2.4rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-faq .faq-index {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 0.9rem;
}

.page-faq .faq-index__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #7a8494;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  list-style: none;
  margin: 0;
  padding: 0 0 0.2rem;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: block;
  white-space: nowrap;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(30, 107, 255, 0.09);
  color: #14336b;
  font-size: 0.82rem;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--blue);
  color: #fff;
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 84px;
  padding-bottom: clamp(1.6rem, 4vw, 2.6rem);
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 0.85rem;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  line-height: 1;
  color: rgba(30, 107, 255, 0.45);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-block p {
  margin: 0 0 0.9rem;
  max-width: 68ch;
  font-size: 1rem;
  line-height: 1.75;
  color: #3b4453;
}

.page-faq .faq-block p a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding: 0.85rem 0;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-steps__item:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.1;
  color: rgba(30, 107, 255, 0.4);
}

.page-faq .faq-steps__title {
  display: block;
  margin-bottom: 0.18rem;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
}

.page-faq .faq-steps__text {
  display: block;
  font-size: 0.93rem;
  line-height: 1.68;
  color: #4a5464;
}

/* ---------- 提示条 ---------- */
.page-faq .faq-hint {
  margin: 1.1rem 0 0.4rem;
  padding: 0.72rem 0.9rem;
  border-left: 3px solid var(--neon);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(183, 255, 42, 0.18);
  font-size: 0.9rem;
  line-height: 1.65;
  color: #2c3a12;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 1.3rem 0 0.4rem;
}

.page-faq .faq-figure__frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--graphite);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: #7a8494;
}

/* ---------- 同步示意 ---------- */
.page-faq .faq-sync {
  margin: 1.2rem 0 0.6rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(30, 107, 255, 0.1), rgba(94, 231, 255, 0.1) 55%, rgba(255, 90, 31, 0.1));
}

.page-faq .faq-sync svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  margin-top: 0.65rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0.95rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

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

.page-faq .faq-q summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--blue);
}

.page-faq .faq-q[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: var(--radius-s);
}

.page-faq .faq-q__body {
  padding: 0 0.95rem 0.95rem;
  font-size: 0.93rem;
  line-height: 1.72;
  color: #4a5464;
}

/* ---------- 联系信息 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0.6rem;
  margin: 1.1rem 0 0.8rem;
}

.page-faq .faq-contact__item {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-s);
  padding: 0.75rem 0.9rem;
  min-width: 0;
}

.page-faq .faq-contact__key {
  display: block;
  margin-bottom: 0.22rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7a8494;
}

.page-faq .faq-contact__val {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  font-size: 0.85rem;
  line-height: 1.7;
  color: #5b6472;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-steps__item {
    grid-template-columns: 2.8rem minmax(0, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-paths {
    margin-top: -3.6rem;
  }

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

  .page-faq .faq-path {
    padding: 1.25rem 1.25rem 1.35rem;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.5rem;
    padding: 1.1rem;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0.1rem;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    padding: 0.5rem 0.65rem;
    border-radius: 8px;
    border-left: 2px solid transparent;
    background: transparent;
    font-size: 0.86rem;
    transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: rgba(30, 107, 255, 0.09);
    border-left-color: var(--blue);
    color: #14336b;
  }

  .page-faq .faq-block {
    scroll-margin-top: 24px;
  }

  .page-faq .faq-figure {
    margin-top: 1.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path {
    transition: none;
  }

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