.page-faq {
  --faq-accent: var(--sk-purple);
  --faq-step-gap: clamp(20px, 3vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__lead .sk-h1 {
  margin: 14px 0 20px;
  max-width: 15ch;
}

.page-faq .faq-hero__lead .sk-lead {
  max-width: 44ch;
}

.page-faq .faq-hero__aside {
  position: relative;
  border: 1px solid var(--sk-line);
  border-left: 3px solid var(--sk-purple);
  background:
    linear-gradient(180deg, rgba(123, 77, 255, .16), rgba(14, 23, 56, .5) 42%, rgba(6, 10, 28, .2));
  padding: clamp(20px, 3vw, 28px);
}

.page-faq .faq-aside__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--sk-mist);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-jump li + li {
  border-top: 1px solid var(--sk-hair);
}

.page-faq .faq-jump .sk-link {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  color: var(--sk-ink);
}

.page-faq .faq-jump .sk-link:hover {
  color: var(--sk-jade);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-quick__lead {
  max-width: 42ch;
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--faq-step-gap);
  counter-reset: faqStep;
}

.page-faq .faq-step {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--sk-line);
  background: linear-gradient(160deg, rgba(14, 23, 56, .82), rgba(6, 10, 28, .35));
  box-shadow: 0 18px 40px -32px rgba(0, 0, 0, .9);
  transition: transform 200ms var(--sk-ease), box-shadow 200ms var(--sk-ease), border-color 200ms var(--sk-ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
}

.page-faq .faq-step--one::before { background: var(--sk-cyan); }
.page-faq .faq-step--two::before { background: var(--sk-purple); }
.page-faq .faq-step--three::before { background: var(--sk-orange); }

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  border-color: var(--sk-line-strong);
  box-shadow: 0 22px 46px -30px rgba(123, 77, 255, .65);
}

.page-faq .faq-step__num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--sk-cyan);
  margin-bottom: 12px;
}

.page-faq .faq-step--two .faq-step__num { color: var(--sk-purple); }
.page-faq .faq-step--three .faq-step__num { color: var(--sk-orange); }

.page-faq .faq-step__title {
  margin: 0 0 12px;
}

.page-faq .faq-step p {
  margin: 0 0 16px;
  color: var(--sk-mist);
  font-size: 15px;
  line-height: 1.75;
  max-width: 34ch;
}

.page-faq .faq-step__link {
  font-size: 14px;
}

.page-faq .faq-quick__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: 1px solid var(--sk-line);
  background: var(--sk-panel);
  overflow: hidden;
}

.page-faq .faq-quick__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  opacity: .92;
}

.page-faq .faq-quick__caption {
  display: block;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sk-mist);
  border-top: 1px solid var(--sk-hair);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-answers__lead {
  max-width: 40ch;
}

.page-faq .faq-filter {
  margin-top: clamp(22px, 3vw, 34px);
  flex-wrap: wrap;
}

.page-faq .faq-filter .sk-filter__btn.is-active,
.page-faq .faq-filter .sk-filter__btn[aria-pressed="true"] {
  color: var(--sk-bg);
  background: var(--sk-jade);
  border-color: var(--sk-jade);
}

.page-faq .faq-group {
  margin-top: clamp(36px, 5vw, 68px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  position: relative;
  padding-left: 18px;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-faq .faq-group__bar {
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--faq-accent);
}

.page-faq .faq-group__head .sk-h3 {
  margin: 0 0 6px;
}

.page-faq .faq-group__hint {
  margin: 0;
  font-size: 14px;
  color: var(--sk-mist);
  line-height: 1.7;
}

.page-faq .faq-group--download { --faq-accent: var(--sk-cyan); }
.page-faq .faq-group--member { --faq-accent: var(--sk-purple); }
.page-faq .faq-group--play { --faq-accent: var(--sk-orange); }

.page-faq .faq-item {
  border: 1px solid var(--sk-line);
  border-left: 3px solid var(--faq-accent);
  background: linear-gradient(120deg, rgba(14, 23, 56, .7), rgba(6, 10, 28, .3));
  transition: border-color 200ms var(--sk-ease), box-shadow 200ms var(--sk-ease), background 200ms var(--sk-ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  border-color: var(--sk-line-strong);
  box-shadow: 0 16px 34px -28px rgba(123, 77, 255, .8);
}

.page-faq .faq-item[open] {
  box-shadow: 0 20px 44px -30px rgba(123, 77, 255, .95);
}

.page-faq .faq-item__q {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 18px 52px 18px 20px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--sk-ink);
  transition: color 200ms var(--sk-ease), text-shadow 200ms var(--sk-ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sk-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--faq-accent);
  transition: transform 200ms var(--sk-ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item[open] .faq-item__q {
  color: var(--sk-jade);
  text-shadow: 0 0 18px rgba(123, 77, 255, .55);
}

.page-faq .faq-item__a {
  padding: 0 20px 20px;
  border-top: 1px solid var(--sk-hair);
  margin-top: 0;
  padding-top: 16px;
  animation: faqFade 220ms var(--sk-ease);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sk-ink);
  max-width: 62ch;
}

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

.page-faq .faq-item__steps {
  list-style: none;
  counter-reset: faqSub;
  margin: 0 0 10px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-item__steps li {
  position: relative;
  counter-increment: faqSub;
  padding-left: 38px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sk-mist);
}

.page-faq .faq-item__steps li::before {
  content: counter(faqSub, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--faq-accent);
}

@keyframes faqFade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-support {
  margin-top: clamp(48px, 6vw, 84px);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-support__copy .sk-h2 {
  margin: 14px 0 18px;
}

.page-faq .faq-support__copy .sk-lead {
  max-width: 46ch;
}

.page-faq .faq-contact {
  margin: clamp(24px, 3vw, 34px) 0;
  border-top: 1px solid var(--sk-line);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--sk-hair);
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--sk-mist);
  letter-spacing: .04em;
}

.page-faq .faq-contact__value {
  flex: 1 1 220px;
  font-size: 15px;
  color: var(--sk-jade);
  word-break: break-all;
}

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

.page-faq .faq-support__figure {
  margin: 0;
  border: 1px solid var(--sk-line);
  background: var(--sk-bg);
  overflow: hidden;
  align-self: start;
}

.page-faq .faq-support__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  opacity: .88;
}

.page-faq .faq-support__caption {
  display: block;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sk-mist);
  border-top: 1px solid var(--sk-hair);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-step::after {
    content: "";
    position: absolute;
    right: calc(-1 * clamp(14px, 2vw, 28px) - 5px);
    top: 50%;
    width: 10px;
    height: 10px;
    border-top: 1px solid var(--sk-cyan);
    border-right: 1px solid var(--sk-cyan);
    transform: translateY(-50%) rotate(45deg);
    opacity: .75;
  }

  .page-faq .faq-step--three::after {
    display: none;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 1fr);
    align-items: start;
  }
}

@media (min-width: 1001px) {
  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .faq-item__q {
    font-size: 17px;
    padding: 22px 60px 22px 24px;
  }

  .page-faq .faq-item__a {
    padding: 18px 24px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__a {
    transition: none;
    animation: none;
  }

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