.page-faq {
  --faq-line: var(--ink-12);
  --faq-card: rgba(255, 255, 255, 0.74);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 3.5vw, 2.5rem) clamp(2.25rem, 5vw, 4rem);
  background:
    radial-gradient(960px 440px at 92% -14%, rgba(242, 107, 33, 0.17), transparent 62%),
    radial-gradient(720px 400px at -10% 112%, rgba(169, 201, 63, 0.22), transparent 58%),
    var(--cream);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(1.1rem, 2.6vw, 1.9rem);
}

.page-faq .faq-hero__title {
  font-size: clamp(2rem, 6vw, 3.9rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  margin-top: 0.55rem;
}

.page-faq .faq-hero .lede {
  max-width: 44ch;
  margin-top: 1rem;
  font-size: clamp(0.95rem, 2vw, 1.03rem);
  line-height: 1.8;
  color: var(--ink-70);
}

.page-faq .faq-hero__jumps {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.page-faq .faq-jump {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.88rem;
  transition: transform 0.24s var(--ease), background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  transform: translateX(3px);
  background: #fff;
  border-color: var(--orange);
}

.page-faq .faq-jump__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50% 14% 50% 14%;
  background: var(--orange);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__jumps li:nth-child(2) .faq-jump__num {
  background: var(--lime);
  color: var(--teal);
}

.page-faq .faq-hero__jumps li:nth-child(3) .faq-jump__num {
  background: var(--indigo);
}

.page-faq .faq-hero__jumps li:nth-child(4) .faq-jump__num {
  background: var(--berry);
}

.page-faq .faq-hero__jumps li:nth-child(5) .faq-jump__num {
  background: var(--teal);
}

.page-faq .faq-hero__media {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0.75rem -0.6rem -0.6rem 0.75rem;
  border: 1px solid var(--orange);
  border-radius: var(--radius-l);
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-l);
}

.page-faq .faq-body {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-faq .faq-rail {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-inline: calc(var(--gutter) * -1);
  padding: 0.7rem var(--gutter) 0.55rem;
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-rail__title {
  display: none;
  margin-bottom: 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-55);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.2rem;
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  padding: 0.4rem 0.72rem;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font-size: 0.78rem;
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

.page-faq .faq-rail__dot {
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50% 14% 50% 14%;
  background: var(--orange);
}

.page-faq .faq-rail__dot--berry { background: var(--berry); }
.page-faq .faq-rail__dot--lime { background: var(--lime); }
.page-faq .faq-rail__dot--indigo { background: var(--indigo); }
.page-faq .faq-rail__dot--teal { background: var(--teal); }
.page-faq .faq-rail__dot--wine { background: var(--wine); }

.page-faq .faq-rail__note {
  display: none;
  margin-top: 0.9rem;
  font-size: 0.78rem;
  color: var(--ink-55);
  line-height: 1.7;
}

.page-faq .faq-rail__note a {
  color: var(--orange-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

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

.page-faq .faq-group {
  --group-color: var(--orange);
  --group-ink: var(--orange-deep);
  padding-block: clamp(1.75rem, 4vw, 3rem);
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 5.5rem;
}

.page-faq .faq-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group--cycle {
  --group-color: var(--lime);
  --group-ink: var(--teal);
}

.page-faq .faq-group--tool {
  --group-color: var(--indigo);
  --group-ink: var(--indigo);
}

.page-faq .faq-group--upgrade {
  --group-color: var(--berry);
  --group-ink: var(--berry);
}

.page-faq .faq-group--support {
  --group-color: var(--teal);
  --group-ink: var(--teal);
}

.page-faq .faq-group--flow {
  --group-color: var(--wine);
  --group-ink: var(--wine);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: clamp(1rem, 2.4vw, 1.6rem);
}

.page-faq .faq-group__num {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--group-ink);
}

.page-faq .faq-group__num::before {
  content: "";
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50% 14% 50% 14%;
  background: var(--group-color);
}

.page-faq .faq-group__title {
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 600;
}

.page-faq .faq-group__lede {
  max-width: 56ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-70);
}

/* 费用价签 */
.page-faq .price-tags {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin-bottom: clamp(1.1rem, 2.5vw, 1.6rem);
}

.page-faq .price-tag {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.05rem 1rem 1.25rem;
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
}

.page-faq .price-tag::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--orange);
}

.page-faq .price-tag:nth-child(2)::before { background: var(--berry); }
.page-faq .price-tag:nth-child(3)::before { background: var(--indigo); }

.page-faq .price-tag__label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-55);
}

.page-faq .price-tag__value {
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
}

.page-faq .price-tag__unit {
  margin-left: 0.25rem;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--ink-55);
}

.page-faq .price-tag__note {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--ink-70);
}

/* 问答手风琴 */
.page-faq .faq-list {
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--group-color);
  border-radius: var(--radius-m);
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  background: #fff;
  border-color: rgba(36, 31, 29, 0.16);
  border-left-color: var(--group-color);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.15;
  color: var(--group-ink);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__badge {
  flex: none;
  margin-top: 0.15rem;
  padding: 0.05rem 0.3rem;
  border: 1px solid currentColor;
  border-radius: 0.3rem;
  color: var(--group-ink);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

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

.page-faq .faq-item__a {
  display: grid;
  gap: 0.5rem;
  padding: 0 1rem 1rem;
  font-size: 0.89rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-page-fade 0.26s var(--ease);
}

.page-faq .faq-item__a a {
  color: var(--group-ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-item__a a:hover {
  color: var(--ink);
}

@keyframes faq-page-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 周期标签 */
.page-faq .cycle-tags {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin-bottom: clamp(1rem, 2.4vw, 1.5rem);
}

.page-faq .cycle-tag {
  padding: 0.95rem 1rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: #fff;
  display: grid;
  gap: 0.3rem;
}

.page-faq .cycle-tag--quarter {
  background: rgba(169, 201, 63, 0.2);
  border-color: rgba(169, 201, 63, 0.55);
}

.page-faq .cycle-tag--year {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--cream);
}

.page-faq .cycle-tag__name {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.page-faq .cycle-tag__fit {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-faq .cycle-tag--year .cycle-tag__fit {
  color: var(--cream-80);
}

.page-faq .faq-media {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: var(--radius-l);
}

.page-faq .faq-media figcaption {
  margin-top: 0.55rem;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--ink-55);
}

/* 数字条 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin-bottom: clamp(1rem, 2.4vw, 1.5rem);
}

.page-faq .faq-stat {
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-m);
  background: rgba(52, 36, 94, 0.06);
  border: 1px solid rgba(52, 36, 94, 0.16);
}

.page-faq .faq-stat:last-child {
  grid-column: 1 / -1;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1.1;
  color: var(--indigo);
}

.page-faq .faq-stat__label {
  margin-top: 0.25rem;
  font-size: 0.76rem;
  color: var(--ink-70);
}

/* 升级清单 */
.page-faq .upgrade-list {
  list-style: none;
  margin: 0 0 clamp(1rem, 2.4vw, 1.5rem);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-faq .upgrade-list li {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(179, 18, 62, 0.1);
  border: 1px solid rgba(179, 18, 62, 0.28);
  color: var(--berry);
  font-size: 0.8rem;
}

/* 联系卡 */
.page-faq .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin-bottom: clamp(1rem, 2.4vw, 1.5rem);
}

.page-faq .support-card {
  display: grid;
  gap: 0.3rem;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: #fff;
}

.page-faq .support-card--dark {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--cream);
}

.page-faq .support-card__label {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-55);
}

.page-faq .support-card--dark .support-card__label {
  color: var(--cream-60);
}

.page-faq .support-card__value {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.6vw, 1.1rem);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-faq .support-card__note {
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-faq .support-card--dark .support-card__note {
  color: var(--cream-80);
}

/* 合作流程 */
.page-faq .flow-steps {
  list-style: none;
  margin: 0 0 clamp(1.1rem, 2.6vw, 1.6rem);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-faq .flow-step {
  padding-top: 0.7rem;
  border-top: 3px solid var(--wine);
  display: grid;
  gap: 0.25rem;
}

.page-faq .flow-step__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-faq .flow-step__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.page-faq .flow-step__text {
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-faq .faq-cta {
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: var(--radius-l);
  background:
    radial-gradient(560px 240px at 96% 0%, rgba(242, 107, 33, 0.24), transparent 70%),
    var(--wine);
  color: var(--cream);
  display: grid;
  gap: 0.9rem;
}

.page-faq .faq-cta__text {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--cream-88);
}

.page-faq .faq-cta .btn {
  justify-self: start;
}

@media (min-width: 560px) {
  .page-faq .faq-hero__jumps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-stat:last-child {
    grid-column: auto;
  }
}

@media (min-width: 720px) {
  .page-faq .price-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-faq .faq-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-faq .faq-cta .btn {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
  }
}

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

  .page-faq .faq-rail {
    position: sticky;
    top: 5.5rem;
    margin-inline: 0;
    padding: 1.05rem 1rem;
    border: 1px solid var(--faq-line);
    border-radius: var(--radius-m);
    background: rgba(255, 255, 255, 0.62);
  }

  .page-faq .faq-rail__title {
    display: block;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 0.3rem;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    border-color: transparent;
    background: transparent;
    border-radius: var(--radius-s);
    padding: 0.42rem 0.5rem;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    background: var(--ink);
    border-color: var(--ink);
  }

  .page-faq .faq-rail__note {
    display: block;
  }

  .page-faq .faq-group {
    scroll-margin-top: 6rem;
  }

  .page-faq .price-tags {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .price-tag:nth-child(2) {
    margin-top: 1.1rem;
  }

  .page-faq .price-tag:nth-child(3) {
    margin-top: 0.4rem;
  }

  .page-faq .flow-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    font-size: 0.98rem;
    padding: 1rem 1.15rem;
  }

  .page-faq .faq-item__a {
    padding: 0 1.15rem 1.1rem;
    font-size: 0.91rem;
  }
}

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

  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}