.page-faq {
  --faq-ink-soft: rgba(36, 26, 20, .68);
  background: var(--cream-50);
  color: var(--ink);
  overflow-x: hidden;
}

/* ============ 首屏：分类索引 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: .5rem 0 3rem;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -12% -20% auto -20%;
  height: 150%;
  background:
    radial-gradient(58% 44% at 78% 6%, rgba(34, 224, 214, .18), rgba(34, 224, 214, 0) 70%),
    repeating-linear-gradient(-5deg, rgba(27, 127, 168, .09) 0 1px, transparent 1px 26px);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
}

.page-faq .faq-hero h1 {
  margin: .8rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.4vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .faq-hero__intro {
  margin: 0 0 1.1rem;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero__meta {
  margin: 0;
  padding-top: .8rem;
  border-top: 1px solid var(--line);
  font-size: .72rem;
  line-height: 1.75;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num label"
    "desc desc";
  align-items: baseline;
  gap: .1rem .6rem;
  height: 100%;
  padding: .95rem 2.1rem .95rem 1.15rem;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: border-color .28s var(--ease), transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-faq .faq-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: .9rem;
  bottom: .9rem;
  width: 3px;
  background: var(--pool);
}

.page-faq .faq-card::after {
  content: "→";
  position: absolute;
  right: 1rem;
  top: .95rem;
  font-size: .9rem;
  color: var(--mist);
  transition: transform .28s var(--ease), color .28s var(--ease);
}

.page-faq .faq-card--schedule::before { background: var(--cyan); }
.page-faq .faq-card--subscribe::before { background: var(--coral); }
.page-faq .faq-card--replay::before { background: var(--signal); }
.page-faq .faq-card--account::before { background: var(--pool); }
.page-faq .faq-card--device::before { background: var(--mist); }

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-visible {
  border-color: var(--pool);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-card:hover::after,
.page-faq .faq-card:focus-visible::after {
  transform: translateX(3px);
  color: var(--coral);
}

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

.page-faq .faq-card__num {
  grid-area: num;
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-faq .faq-card__label {
  grid-area: label;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-card__desc {
  grid-area: desc;
  margin-top: .3rem;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--faq-ink-soft);
}

/* ============ 步骤图 ============ */
.page-faq .faq-steps {
  position: relative;
  padding: 3rem 0;
  background: var(--sea-900);
  color: var(--deep-text);
  overflow: hidden;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 60% at 8% 0%, rgba(27, 127, 168, .38), rgba(6, 28, 44, 0) 65%),
    repeating-linear-gradient(-4deg, rgba(34, 224, 214, .07) 0 1px, transparent 1px 32px);
  pointer-events: none;
}

.page-faq .faq-steps > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-steps .index-tag {
  color: var(--cyan);
}

.page-faq .faq-steps__head {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.page-faq .faq-steps h2 {
  margin: .6rem 0 .8rem;
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-steps__lead {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--deep-mute);
}

.page-faq .faq-steps__track {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-faq .faq-step {
  position: relative;
  padding: 1rem 1rem 1rem 1.1rem;
  background: var(--sea-700);
  border-left: 3px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-step__num {
  display: block;
  margin-bottom: .35rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-step__title {
  margin: 0 0 .35rem;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: .83rem;
  line-height: 1.7;
  color: var(--deep-mute);
}

.page-faq .faq-steps__media {
  margin: 0;
}

.page-faq .faq-steps__media .media-frame {
  border: 1px solid var(--line-dark);
}

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

.page-faq .faq-steps__media .media__caption {
  margin-top: .65rem;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--deep-mute);
}

.page-faq .faq-steps__note {
  margin: 1.75rem 0 0;
  padding: .85rem 1rem;
  background: rgba(255, 107, 74, .1);
  border-left: 2px solid var(--coral);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--deep-text);
}

/* ============ 订阅与提醒 ============ */
.page-faq .faq-sub {
  padding: 3rem 0;
}

.page-faq .faq-sub__panel {
  position: relative;
  padding: 1.75rem 1.15rem 1.9rem;
  background: var(--sea-900);
  color: var(--deep-text);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  overflow: hidden;
}

.page-faq .faq-sub__panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(34, 224, 214, .18);
  box-shadow: 0 0 0 28px rgba(34, 224, 214, .05), 0 0 0 56px rgba(34, 224, 214, .03);
  pointer-events: none;
}

.page-faq .faq-sub__head,
.page-faq .faq-sub__grid,
.page-faq .faq-sub__expand {
  position: relative;
  z-index: 1;
}

.page-faq .faq-sub .index-tag {
  color: var(--cyan);
}

.page-faq .faq-sub__head h2 {
  margin: .6rem 0 .7rem;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .faq-sub__lead {
  margin: 0;
  max-width: 44em;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--deep-mute);
}

.page-faq .faq-sub__grid {
  display: grid;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-sub__card {
  padding: 1rem;
  background: rgba(34, 224, 214, .06);
  border: 1px solid var(--line-dark);
}

.page-faq .faq-sub__dot {
  display: block;
  width: 8px;
  height: 8px;
  margin-bottom: .7rem;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, .16);
}

.page-faq .faq-sub__card h3 {
  margin: 0 0 .35rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-sub__card p {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--deep-mute);
}

.page-faq .faq-sub__expand {
  margin-top: 1.4rem;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-sub__expand .expand__item {
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-sub__expand .expand__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 0;
  background: none;
  border: 0;
  color: var(--deep-text);
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-sub__expand .expand__trigger:hover {
  color: var(--cyan);
}

.page-faq .faq-sub__expand .expand__panel {
  padding: 0 0 1rem;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--deep-mute);
}

.page-faq .faq-sub__expand .expand__panel p {
  margin: 0 0 .5rem;
}

.page-faq .faq-sub__expand .expand__panel p:last-child {
  margin-bottom: 0;
}

/* ============ 回看集锦 ============ */
.page-faq .faq-replay {
  padding: 3rem 0;
  background: var(--cream-100);
}

.page-faq .faq-replay__head {
  max-width: 48rem;
}

.page-faq .faq-replay h2 {
  margin: .6rem 0 .7rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.28;
  color: var(--ink);
}

.page-faq .faq-replay__lead {
  margin: 0;
  max-width: 44em;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-replay__bands {
  display: grid;
  gap: .75rem;
  margin: 1.75rem 0;
}

.page-faq .faq-band {
  padding: 1.25rem 1.1rem 1.15rem;
  background: var(--white);
  border-top: 3px solid var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-faq .faq-band__time {
  display: inline-block;
  margin-bottom: .55rem;
  padding: .1rem .45rem;
  background: rgba(255, 209, 102, .38);
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-band h3 {
  margin: 0 0 .35rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-band p {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-replay__note {
  padding: 1.1rem 1.15rem;
  background: rgba(27, 127, 168, .09);
  border-left: 3px solid var(--pool);
}

.page-faq .faq-replay__note p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-replay__note .faq-replay__links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: .95rem;
}

/* ============ 账号同步 ============ */
.page-faq .faq-sync {
  padding: 3rem 0;
}

.page-faq .faq-sync__grid {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-sync__media {
  margin: 0;
}

.page-faq .faq-sync__media .media-frame {
  border: 1px solid var(--line);
  background: var(--sea-700);
}

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

.page-faq .faq-sync__media .media__caption {
  margin-top: .6rem;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-sync__body h2 {
  margin: .6rem 0 .7rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.28;
  color: var(--ink);
}

.page-faq .faq-sync__lead {
  margin: 0 0 1rem;
  max-width: 40em;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-sync__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq .faq-sync__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-sync__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--pool);
  transform: rotate(45deg);
}

.page-faq .faq-sync__fine {
  margin: 0;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-sync__fine a {
  color: var(--pool);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 设备 ============ */
.page-faq .faq-device {
  padding: 0 0 3rem;
}

.page-faq .faq-device__panel {
  padding: 1.75rem 1.15rem;
  background: var(--white);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq .faq-device__panel h2 {
  margin: .6rem 0 .7rem;
  font-size: clamp(1.3rem, 3.6vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-device__lead {
  margin: 0;
  max-width: 48em;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-device__cards {
  display: grid;
  gap: .7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-device__cards .data-card {
  display: grid;
  gap: .25rem;
}

.page-faq .faq-device__cards .data-card__value {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
}

.page-faq .faq-device__expand {
  margin-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-device__expand .expand__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-device__expand .expand__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 0;
  background: none;
  border: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-device__expand .expand__trigger:hover {
  color: var(--pool);
}

.page-faq .faq-device__expand .expand__panel {
  padding: 0 0 1rem;
  font-size: .85rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-device__expand .expand__panel p {
  margin: 0;
}

/* ============ 客服联系 ============ */
.page-faq .faq-support {
  padding: 0 0 4rem;
}

.page-faq .faq-support__panel {
  display: grid;
  gap: 1.75rem;
  padding: 1.75rem 1.15rem;
  background: var(--sea-900);
  color: var(--deep-text);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-faq .faq-support .index-tag {
  color: var(--cyan);
}

.page-faq .faq-support__intro h2 {
  margin: .6rem 0 .7rem;
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .faq-support__intro p {
  margin: 0 0 1.1rem;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--deep-mute);
}

.page-faq .faq-support__intro .index-tag {
  margin: 0;
}

.page-faq .faq-support__list {
  margin: 0;
  display: grid;
}

.page-faq .faq-support__row {
  display: grid;
  gap: .15rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-support__row:first-child {
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-support__row dt {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--deep-mute);
}

.page-faq .faq-support__row dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

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

@media (min-width: 720px) {
  .page-faq .faq-sub__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-replay__bands {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-support__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
    padding: 2.25rem 2rem;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-sync__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 2.75rem;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: .75rem 0 4rem;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-sub__panel {
    padding: 2.25rem 2rem 2.25rem;
  }

  .page-faq .faq-device__panel {
    padding: 2.25rem 2rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps {
    padding: 4rem 0;
  }

  .page-faq .faq-steps__track {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-faq .faq-sub,
  .page-faq .faq-replay,
  .page-faq .faq-sync {
    padding: 4rem 0;
  }
}

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

  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-visible {
    transform: none;
  }
}
<<<END>>>