.page-faq {
  --faq-side-w: 236px;
  background: var(--yb-paper);
  color: var(--yb-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--yb-indigo);
  color: var(--yb-paper);
  padding: calc(var(--yb-header-space) + 1.25rem) 0 clamp(2.5rem, 7vw, 4.5rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -18%;
  bottom: -58%;
  width: 78%;
  height: 130%;
  background: linear-gradient(150deg, var(--yb-orange), rgba(255, 179, 107, 0));
  opacity: 0.24;
  transform: rotate(-14deg);
  border-radius: 52% 0 0 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -14%;
  top: -28%;
  width: 60%;
  aspect-ratio: 1;
  background: radial-gradient(circle at 40% 40%, rgba(46, 111, 216, 0.5), transparent 66%);
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yb-glow);
}

.page-faq .faq-hero__title {
  margin: 0.85rem 0 0;
  max-width: 18ch;
  font-family: var(--yb-font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7.2vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__title-em {
  color: var(--yb-glow);
}

.page-faq .faq-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 44em;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(251, 248, 241, 0.86);
}

.page-faq .faq-hero__actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-hero__pills {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-hero__pills a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(251, 248, 241, 0.26);
  color: var(--yb-paper);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: background 0.25s var(--yb-ease), border-color 0.25s var(--yb-ease);
}

.page-faq .faq-hero__pills a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  transform: rotate(-12deg);
  background: var(--yb-flag-white);
}

.page-faq .faq-hero__pills a:hover,
.page-faq .faq-hero__pills a:focus-visible {
  background: rgba(251, 248, 241, 0.12);
  border-color: rgba(251, 248, 241, 0.5);
}

.page-faq .faq-hero__pills li:nth-child(1) a::before { background: var(--yb-flag-blue); }
.page-faq .faq-hero__pills li:nth-child(2) a::before { background: var(--yb-flag-yellow); }
.page-faq .faq-hero__pills li:nth-child(3) a::before { background: var(--yb-orange); }
.page-faq .faq-hero__pills li:nth-child(4) a::before { background: var(--yb-flag-red); }
.page-faq .faq-hero__pills li:nth-child(5) a::before { background: var(--yb-flag-green); }
.page-faq .faq-hero__pills li:nth-child(6) a::before { background: var(--yb-flag-white); }

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

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

.page-faq .faq-toc {
  display: flex;
  gap: 0.4rem;
  padding: 0.5rem;
  overflow-x: auto;
  border: 1px solid var(--yb-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  scrollbar-width: none;
}

.page-faq .faq-toc::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-toc__title {
  display: none;
}

.page-faq .faq-toc .yb-toc__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--yb-indigo);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.25s var(--yb-ease), color 0.25s var(--yb-ease);
}

.page-faq .faq-toc .yb-toc__link:hover {
  background: rgba(94, 127, 163, 0.14);
}

.page-faq .faq-toc .yb-toc__link[aria-current="true"] {
  background: rgba(242, 140, 58, 0.16);
  font-weight: 700;
}

.page-faq .faq-toc__num {
  font-size: 0.6875rem;
  color: var(--yb-mist);
}

.page-faq .faq-toc__dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  transform: rotate(-12deg);
  background: var(--yb-mist);
}

.page-faq .faq-toc .yb-toc__link:nth-of-type(1) .faq-toc__dot { background: var(--yb-flag-blue); }
.page-faq .faq-toc .yb-toc__link:nth-of-type(2) .faq-toc__dot { background: var(--yb-flag-yellow); }
.page-faq .faq-toc .yb-toc__link:nth-of-type(3) .faq-toc__dot { background: var(--yb-orange); }
.page-faq .faq-toc .yb-toc__link:nth-of-type(4) .faq-toc__dot { background: var(--yb-flag-red); }
.page-faq .faq-toc .yb-toc__link:nth-of-type(5) .faq-toc__dot { background: var(--yb-flag-green); }
.page-faq .faq-toc .yb-toc__link:nth-of-type(6) .faq-toc__dot { background: var(--yb-flag-blue); }

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--yb-header-space) + 1rem);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(1.75rem, 4vw, 2.75rem);
  border-top: 1px solid var(--yb-line-soft);
}

.page-faq .faq-chapter {
  margin-bottom: 1rem;
}

.page-faq .faq-chapter__intro {
  margin: 0.7rem 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--yb-ink);
  opacity: 0.82;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 1.4rem 0 1.6rem;
  border-radius: var(--yb-radius);
  overflow: hidden;
  border: 1px solid var(--yb-line);
  background: linear-gradient(135deg, rgba(18, 38, 63, 0.92), rgba(46, 111, 216, 0.55));
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure--narrow {
  max-width: 30rem;
}

.page-faq .faq-figure--narrow img {
  aspect-ratio: 4 / 3;
}

.page-faq .faq-figure .yb-media__caption {
  padding: 0.6rem 0.95rem;
  font-size: 0.75rem;
  font-family: var(--yb-font-mono);
  color: var(--yb-paper);
  background: rgba(11, 27, 51, 0.65);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  margin-top: 0.5rem;
}

.page-faq .faq-item {
  border-top: 1px solid var(--yb-line);
  transition: background 0.25s var(--yb-ease);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--yb-line);
}

.page-faq .faq-item[open] {
  background: rgba(255, 255, 255, 0.55);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.05rem 0.5rem;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--yb-indigo);
  transition: color 0.2s var(--yb-ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--yb-orange);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--yb-orange);
  outline-offset: 3px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.28rem;
  border-radius: 50%;
  border: 1.5px solid var(--yb-mist);
  transition: border-color 0.25s var(--yb-ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 1.5px;
  background: var(--yb-mist);
  transform: translate(-50%, -50%);
  transition: transform 0.25s var(--yb-ease), opacity 0.25s var(--yb-ease), background 0.25s var(--yb-ease);
}

.page-faq .faq-item__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--yb-orange);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--yb-orange);
}

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

.page-faq .faq-item__a {
  margin-left: 0.55rem;
  padding: 0 1.6rem 1.25rem 1.45rem;
  border-left: 2px solid transparent;
  transition: border-color 0.25s var(--yb-ease);
}

.page-faq .faq-item[open] .faq-item__a {
  border-left-color: var(--yb-orange);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--yb-ink);
}

.page-faq .faq-item__a p + p {
  margin-top: 0.7rem;
}

/* ---------- 活动规则卡 ---------- */
.page-faq .faq-rule {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem 1.25rem;
  margin: 1.4rem 0 1.2rem;
  padding: 1.35rem 1.35rem 1.35rem 1.1rem;
  border-radius: var(--yb-radius-lg);
  border: 1.5px solid rgba(217, 75, 75, 0.35);
  border-left-width: 8px;
  background: #fff;
  box-shadow: var(--yb-shadow);
}

.page-faq .faq-rule__num {
  font-size: clamp(2.6rem, 8vw, 4rem);
  line-height: 0.9;
  font-weight: 700;
  color: var(--yb-flag-red);
}

.page-faq .faq-rule__body h3 {
  margin: 0;
  color: var(--yb-indigo);
}

.page-faq .faq-rule__body p {
  margin: 0.5rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--yb-ink);
  opacity: 0.85;
}

/* ---------- 客服与模板 ---------- */
.page-faq .faq-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.9rem;
  margin: 1.25rem 0;
  padding: 0.9rem 1.1rem;
  border-radius: var(--yb-radius);
  border: 1px dashed var(--yb-line-soft);
  background: rgba(94, 127, 163, 0.09);
  min-width: 0;
}

.page-faq .faq-mail__label {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yb-mist);
}

.page-faq .faq-mail__value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--yb-indigo);
  word-break: break-all;
}

.page-faq .faq-template-wrap {
  margin: 0 0 1.5rem;
}

.page-faq .faq-template {
  margin: 0;
  padding: 1.1rem 1.15rem;
  border-radius: var(--yb-radius);
  background: var(--yb-night);
  color: var(--yb-paper);
  font-family: var(--yb-font-mono);
  font-size: 0.8125rem;
  line-height: 1.95;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  border-left: 4px solid var(--yb-orange);
}

.page-faq .faq-copybtn {
  margin-top: 0.7rem;
  padding: 0.38rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--yb-line-soft);
  background: #fff;
  color: var(--yb-indigo);
  font-family: var(--yb-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.25s var(--yb-ease), color 0.25s var(--yb-ease), border-color 0.25s var(--yb-ease);
}

.page-faq .faq-copybtn:hover,
.page-faq .faq-copybtn:focus-visible {
  background: var(--yb-orange);
  border-color: var(--yb-orange);
  color: #fff;
}

/* ---------- 说明入口卡 ---------- */
.page-faq .faq-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin: 1.4rem 0 1.4rem;
}

.page-faq .faq-linkcard {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.15rem 3rem 1.15rem 1.15rem;
  border-radius: var(--yb-radius);
  border: 1px solid var(--yb-line);
  background: #fff;
  color: var(--yb-indigo);
  text-decoration: none;
  transition: transform 0.25s var(--yb-ease), border-color 0.25s var(--yb-ease), box-shadow 0.25s var(--yb-ease);
}

.page-faq .faq-linkcard:hover,
.page-faq .faq-linkcard:focus-visible {
  transform: translateY(-3px);
  border-color: var(--yb-orange);
  box-shadow: var(--yb-shadow);
}

.page-faq .faq-linkcard__k {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yb-mist);
}

.page-faq .faq-linkcard__t {
  font-size: 0.9688rem;
  font-weight: 700;
  line-height: 1.6;
}

.page-faq .faq-linkcard__arrow {
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--yb-orange);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 62rem) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--yb-header-space) + 0.75rem);
    align-self: start;
  }

  .page-faq .faq-toc {
    flex-direction: column;
    align-items: stretch;
    gap: 0.1rem;
    overflow: visible;
    padding: 1rem 0.85rem 1.1rem;
    border-radius: var(--yb-radius);
    background: rgba(255, 255, 255, 0.72);
  }

  .page-faq .faq-toc__title {
    display: block;
    margin: 0 0 0.7rem;
    padding: 0 0.5rem;
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--yb-mist);
  }

  .page-faq .faq-toc .yb-toc__link {
    justify-content: flex-start;
    padding: 0.5rem 0.55rem;
    border-radius: var(--yb-radius-sm);
    white-space: normal;
  }

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

  .page-faq .faq-rule {
    padding: 1.75rem 2rem;
    gap: 1.25rem 1.75rem;
  }

  .page-faq .faq-hero__lead {
    font-size: 1.125rem;
  }
}

@media (min-width: 78rem) {
  .page-faq .faq-hero__title {
    max-width: 16ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-linkcard,
  .page-faq .faq-copybtn,
  .page-faq .faq-hero__pills a {
    transition: none;
  }

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