.page-faq {
  --faq-radius: 14px;
  --faq-line: 1px solid var(--seam);
  --faq-pad: clamp(1rem, 2.6vw, 1.75rem);
  --faq-gap: clamp(1rem, 2.6vw, 1.75rem);
  background:
    radial-gradient(900px 480px at 80% -8%, rgba(56, 224, 208, .12), transparent 65%),
    radial-gradient(700px 420px at 8% 4%, rgba(231, 178, 76, .08), transparent 62%),
    var(--ink);
  color: var(--soft);
  font-family: var(--font-body);
  padding-bottom: clamp(2rem, 6vw, 4rem);
  overflow-x: hidden;
}

.page-faq [id] {
  scroll-margin-top: 7rem;
}

.page-faq .page-faq__crumb {
  padding-top: clamp(1rem, 2.4vw, 1.75rem);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: .8rem;
  color: var(--mist);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: .4rem;
  color: var(--seam);
}

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

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

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__copy .eyebrow {
  margin: 0 0 .9rem;
}

.page-faq .mono-tag {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .display-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.15rem, 7vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 0 0 1rem;
}

.page-faq .lede {
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: var(--soft);
  margin: 0 0 1.4rem;
  max-width: 56ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.6rem;
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--seam);
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: .4rem;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-hero__unit {
  font-size: .8rem;
  color: var(--mist);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--panel);
  position: relative;
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 24, 38, .55));
  pointer-events: none;
}

.page-faq .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-faq .faq-figure .media-frame__img {
  aspect-ratio: 4 / 3;
}

.page-faq .media-frame__caption {
  position: relative;
  z-index: 1;
  padding: .65rem .9rem;
  font-size: .74rem;
  line-height: 1.6;
  color: var(--mist);
  background: var(--panel);
  border-top: 1px solid var(--seam);
}

/* 两栏布局 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-side {
  display: grid;
  gap: 1rem;
}

.page-faq .anchor-nav ol {
  display: flex;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0 0 .45rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .anchor-link {
  display: block;
  white-space: nowrap;
  padding: .45rem .8rem;
  font-size: .82rem;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--seam);
  border-radius: 999px;
  background: rgba(14, 44, 66, .5);
  transition: color var(--dur) ease, border-color var(--dur) ease, background var(--dur) ease;
}

.page-faq .anchor-link:hover {
  color: var(--ice);
  border-color: var(--cyan);
}

.page-faq .anchor-link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-side__card {
  border: var(--faq-line);
  border-radius: var(--faq-radius);
  background: linear-gradient(160deg, rgba(56, 224, 208, .1), transparent 70%), var(--panel);
  padding: 1.1rem;
}

.page-faq .faq-side__text {
  margin: .5rem 0 .9rem;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--soft);
}

/* 筛选条 */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--seam);
}

.page-faq .filter-chip {
  font-family: var(--font-body);
  font-size: .82rem;
  padding: .42rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--seam);
  background: var(--panel);
  color: var(--soft);
  cursor: pointer;
  transition: color var(--dur) ease, background var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .filter-chip:hover {
  border-color: var(--cyan);
  color: var(--ice);
}

.page-faq .filter-chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

/* 章节 */
.page-faq .faq-section {
  padding: clamp(1.6rem, 3.4vw, 2.6rem) 0;
  border-top: 1px solid var(--seam);
}

.page-faq .faq-section:first-of-type {
  border-top: 0;
}

.page-faq .faq-section__head {
  margin-bottom: 1.3rem;
}

.page-faq .faq-section__head .mono-tag {
  display: block;
  margin-bottom: .5rem;
}

.page-faq .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 0 0 .6rem;
}

.page-faq .faq-section__note {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

/* 问答条目 */
.page-faq .faq-list {
  display: grid;
  gap: .7rem;
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--seam);
  border-left: 3px solid var(--seam);
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
  transition: border-color var(--dur) ease, background var(--dur) ease;
}

.page-faq .faq-item:hover {
  border-left-color: rgba(56, 224, 208, .55);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(56, 224, 208, .1), transparent 42%), var(--panel);
}

.page-faq .faq-item__trigger {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding: 1rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(.95rem, 1.7vw, 1.05rem);
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .faq-item__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .22em;
}

.page-faq .faq-item[open] .faq-item__index {
  color: var(--cyan);
}

.page-faq .faq-item__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-left: auto;
  margin-top: .3em;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__panel {
  padding: 0 1.05rem 1.1rem;
}

.page-faq .faq-item__panel p {
  margin: 0 0 .6rem;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--soft);
  max-width: 64ch;
}

.page-faq .faq-item__panel p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-item__link {
  display: inline-block;
  margin-top: .55rem;
  font-size: .82rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(56, 224, 208, .5);
}

.page-faq .faq-item__link:hover {
  color: var(--ice);
  border-bottom-style: solid;
}

/* 奶油纸提示卡 */
.page-faq .faq-note {
  margin: clamp(1.4rem, 3vw, 2rem) 0;
  padding: clamp(1.15rem, 2.8vw, 1.7rem);
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--faq-radius);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-faq .faq-note::after {
  content: "";
  position: absolute;
  right: -50px;
  top: -60px;
  width: 180px;
  height: 180px;
  background: repeating-linear-gradient(135deg, rgba(221, 90, 50, .18) 0 2px, transparent 2px 11px);
  transform: rotate(10deg);
  pointer-events: none;
}

.page-faq .faq-note--tight::after {
  background: repeating-linear-gradient(135deg, rgba(14, 44, 66, .16) 0 2px, transparent 2px 11px);
}

.page-faq .faq-note__title {
  position: relative;
  z-index: 1;
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--paper-ink);
}

.page-faq .faq-note p {
  position: relative;
  z-index: 1;
  margin: 0 0 .8rem;
  font-size: .9rem;
  line-height: 1.85;
  color: #3a2e26;
  max-width: 62ch;
}

.page-faq .faq-note__link {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-size: .84rem;
  font-weight: 700;
  color: #8a3418;
  text-decoration: none;
  border-bottom: 2px solid rgba(221, 90, 50, .55);
}

.page-faq .faq-note__link:hover {
  color: var(--paper-ink);
  border-bottom-color: var(--paper-ink);
}

/* 主题卡 */
.page-faq .faq-topics {
  display: grid;
  gap: .7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-topic {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  height: 100%;
  padding: 1.05rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--seam);
  border-radius: var(--faq-radius);
  text-decoration: none;
  transition: transform var(--dur) ease, border-color var(--dur) ease, background var(--dur) ease;
}

.page-faq .faq-topic:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: linear-gradient(155deg, rgba(56, 224, 208, .14), transparent 65%), var(--panel);
}

.page-faq .faq-topic__count {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-topic__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--paper);
}

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

/* 账户章节图文 */
.page-faq .faq-with-figure {
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-figure {
  margin: 0;
  border: var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--panel);
  height: fit-content;
}

.page-faq .faq-subhead {
  margin: clamp(1.5rem, 3vw, 2.2rem) 0 1rem;
  padding-left: .9rem;
  border-left: 3px solid var(--ember);
}

.page-faq .faq-subhead__title {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  color: var(--paper);
}

.page-faq .faq-subhead__note {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 人工支持 */
.page-faq .support-grid {
  display: grid;
  gap: .8rem;
}

.page-faq .support-card {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.15rem;
  background: var(--panel);
  border: 1px solid var(--seam);
  border-radius: var(--faq-radius);
}

.page-faq .support-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ember);
}

.page-faq .support-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-faq .support-card__text {
  margin: 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--soft);
}

.page-faq .support-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .84rem;
  word-break: break-all;
  color: var(--cyan);
}

.page-faq .support-card .btn {
  align-self: flex-start;
  margin-top: .35rem;
}

.page-faq .support-prep {
  margin-top: 1.2rem;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border: 1px solid var(--seam);
  border-radius: var(--faq-radius);
  background: linear-gradient(150deg, rgba(231, 178, 76, .1), transparent 70%), rgba(14, 44, 66, .6);
}

.page-faq .support-prep__title {
  margin: 0 0 .8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--paper);
}

.page-faq .support-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: .5rem;
  counter-reset: prep;
  list-style: none;
}

.page-faq .support-list li {
  position: relative;
  padding-left: .2rem;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--soft);
  counter-increment: prep;
}

.page-faq .support-list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: -1.2rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--gold);
}

/* 底部行动区 */
.page-faq .faq-cta {
  margin-top: clamp(1.6rem, 3.4vw, 2.4rem);
}

.page-faq .faq-cta__inner {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
  padding: clamp(1.3rem, 3vw, 2.1rem);
  border: 1px solid var(--seam);
  border-radius: var(--faq-radius);
  background: linear-gradient(120deg, rgba(56, 224, 208, .14), transparent 58%), var(--panel);
}

.page-faq .faq-cta__inner::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: repeating-linear-gradient(135deg, rgba(56, 224, 208, .18) 0 2px, transparent 2px 12px);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-faq .faq-cta__title {
  position: relative;
  z-index: 1;
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  color: var(--paper);
}

.page-faq .faq-cta__text {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--soft);
  max-width: 52ch;
}

.page-faq .faq-cta__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* 桌面 */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 6.5rem;
  }

  .page-faq .anchor-nav ol {
    flex-direction: column;
    gap: .3rem;
    overflow: visible;
    padding: 0;
  }

  .page-faq .anchor-link {
    border-radius: 0 10px 10px 0;
    border-left: 2px solid var(--seam);
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    background: transparent;
    padding: .5rem .75rem;
  }

  .page-faq .anchor-link:hover {
    background: rgba(56, 224, 208, .08);
  }

  .page-faq .anchor-link[aria-current="true"] {
    background: rgba(56, 224, 208, .16);
    color: var(--ice);
    border-left-color: var(--cyan);
  }

  .page-faq .faq-item__panel {
    padding-left: 3.1rem;
  }

  .page-faq .faq-topics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-faq .faq-topics li:nth-child(-n+2) {
    grid-column: span 3;
  }

  .page-faq .faq-topics li:nth-child(n+3) {
    grid-column: span 2;
  }

  .page-faq .faq-with-figure {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
    gap: clamp(1rem, 2vw, 1.6rem);
  }

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

  .page-faq .faq-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-cta__actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 3rem;
  }

  .page-faq .faq-with-figure {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topic,
  .page-faq .faq-item,
  .page-faq .filter-chip,
  .page-faq .anchor-link,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }

  .page-faq .faq-topic:hover {
    transform: none;
  }
}
<<<END>>>