.page-faq {
  --faq-gap: 16px;
  --faq-line-soft: rgba(42, 52, 87, 0.85);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  padding: 18px 0 40px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(29px, 7vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--snow);
  margin: 12px 0 16px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 28px 60px -34px rgba(46, 124, 246, 0.55);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 章节胶囊跳转 ---------- */
.page-faq .faq-jump {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(46, 124, 246, 0.14), rgba(10, 16, 44, 0) 72%);
}

.page-faq .faq-jump__inner {
  display: flex;
  gap: 10px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--cloud);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--snow);
  border-color: var(--blue);
  background: rgba(46, 124, 246, 0.18);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding: 52px 0;
}

.page-faq .faq-section--timing {
  background: linear-gradient(180deg, rgba(18, 26, 58, 0.85), rgba(10, 16, 44, 0) 88%);
}

.page-faq .faq-section--export {
  background: linear-gradient(270deg, rgba(47, 166, 106, 0.08), rgba(10, 16, 44, 0) 60%);
}

.page-faq .faq-section .section__head {
  margin-bottom: 28px;
}

/* ---------- 三步入门 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .step {
  position: relative;
  padding: 24px 22px 24px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
}

.page-faq .step:nth-child(2) {
  border-top-color: var(--yellow);
}

.page-faq .step:nth-child(3) {
  border-top-color: var(--red);
}

.page-faq .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--blue);
  margin-bottom: 10px;
}

.page-faq .step:nth-child(2) .step__num {
  color: var(--yellow);
}

.page-faq .step:nth-child(3) .step__num {
  color: var(--red);
}

.page-faq .step__title {
  font-size: 19px;
  line-height: 1.45;
  color: var(--snow);
  margin: 0 0 10px;
}

.page-faq .step__text {
  margin: 0;
  color: var(--cloud);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-faq .step__text a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 124, 246, 0.45);
}

.page-faq .step__text a:hover,
.page-faq .step__text a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

/* ---------- 更新节奏 ---------- */
.page-faq .timing {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .timing__item {
  padding: 24px 22px;
  border-radius: var(--r-md);
  background: rgba(18, 26, 58, 0.9);
  border: 1px solid var(--line);
}

.page-faq .timing__item--blue {
  border-left: 3px solid var(--blue);
}

.page-faq .timing__item--red {
  border-left: 3px solid var(--red);
}

.page-faq .timing__item--green {
  border-left: 3px solid var(--green);
}

.page-faq .timing__item--yellow {
  border-left: 3px solid var(--yellow);
}

.page-faq .timing__time {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--cloud);
  text-transform: uppercase;
}

.page-faq .timing__time .num {
  font-size: 34px;
  font-weight: 700;
  color: var(--snow);
  margin-right: 4px;
}

.page-faq .timing__title {
  font-size: 18px;
  line-height: 1.5;
  color: var(--snow);
  margin: 0 0 10px;
}

.page-faq .timing__text {
  margin: 0;
  color: var(--cloud);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 会员与权益 ---------- */
.page-faq .member__intro {
  display: grid;
  gap: 26px;
  margin-bottom: 30px;
}

.page-faq .member__intro .section__title {
  margin-bottom: 12px;
}

.page-faq .member__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .member__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

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

.page-faq .tier {
  padding: 24px 22px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.page-faq .tier--v3 {
  border-color: rgba(217, 164, 65, 0.75);
  background: linear-gradient(180deg, rgba(217, 164, 65, 0.14), rgba(18, 26, 58, 1) 58%);
}

.page-faq .tier__head {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .tier__name {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--blue);
}

.page-faq .tier--v3 .tier__name {
  color: var(--gold);
}

.page-faq .tier__who {
  margin: 0;
  color: var(--cloud);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .tier__list li {
  position: relative;
  padding-left: 18px;
  color: var(--cloud);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.page-faq .tier--v3 .tier__list li::before {
  background: var(--gold);
}

/* ---------- 导出与接口 ---------- */
.page-faq .export {
  display: grid;
  gap: 14px;
}

.page-faq .export__card {
  padding: 26px 22px;
  border-radius: var(--r-md);
  background: rgba(18, 26, 58, 0.72);
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--line);
  transition: border-bottom-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-faq .export__card:hover {
  transform: translateY(-3px);
  border-bottom-color: var(--blue);
}

.page-faq .export__tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-faq .export__title {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.45;
  color: var(--snow);
  margin: 0 0 12px;
}

.page-faq .export__text {
  margin: 0 0 14px;
  color: var(--cloud);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-faq .export__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line-soft);
  color: var(--cloud);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 常见问题手风琴 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--line);
}

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

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--snow);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  transition: color 200ms var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--blue);
  transition: transform 260ms var(--ease), color 200ms var(--ease);
}

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--blue);
}

.page-faq .qa[open] .qa__q {
  color: var(--snow);
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(45deg);
  color: var(--yellow);
}

.page-faq .qa__a {
  padding: 0 40px 22px 4px;
  color: var(--cloud);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 124, 246, 0.45);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

/* ---------- 收尾行动区 ---------- */
.page-faq .faq-cta {
  padding: 20px 0 72px;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  padding: 32px 24px;
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(46, 124, 246, 0.2), rgba(18, 26, 58, 0.9) 62%, rgba(217, 164, 65, 0.16));
  border: 1px solid var(--line);
}

.page-faq .faq-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.35;
  color: var(--snow);
  margin: 0 0 10px;
}

.page-faq .faq-cta__text {
  margin: 0;
  color: var(--cloud);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-section {
    padding: 64px 0;
  }

  .page-faq .member__intro {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 34px;
  }

  .page-faq .tiers {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }

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

  .page-faq .faq-cta__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 38px 34px;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 28px 0 52px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 46px;
  }

  .page-faq .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-faq .timing {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-faq .timing__item {
    padding: 26px 22px 28px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__grid {
    gap: 60px;
  }

  .page-faq .qa__q {
    font-size: 17.5px;
  }
}

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

  .page-faq .export__card:hover {
    transform: none;
  }
}