.page-faq {
  --qa-ink: #C7D6EA;
  --qa-line: rgba(30, 58, 95, .9);
  --qa-surface: linear-gradient(180deg, rgba(30, 58, 95, .42), rgba(5, 13, 26, .72));
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: var(--gap);
  padding: 20px 0 8px;
  align-items: end;
}

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

.page-faq .faq-hero .eyebrow {
  color: var(--cyan);
  letter-spacing: .14em;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(27px, 7vw, 52px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--white);
  text-shadow: 1px 0 0 rgba(255, 107, 74, .45), -1px 0 0 rgba(53, 245, 208, .28);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--qa-ink);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .faq-hero__art {
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
  min-width: 0;
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 问答台 */
.page-faq .faq-desk {
  padding-top: 52px;
}

.page-faq .faq-desk__title {
  margin: 0;
  font-size: clamp(21px, 4.2vw, 32px);
  color: var(--white);
}

.page-faq .faq-desk__hint {
  margin: 10px 0 24px;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 27, 51, .72);
  color: var(--slate);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .tab:hover {
  color: var(--white);
  border-color: rgba(53, 245, 208, .55);
  transform: translateY(-1px);
}

.page-faq .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .tab[aria-selected="true"],
.page-faq .tab.is-active {
  background: linear-gradient(120deg, rgba(255, 107, 74, .24), rgba(53, 245, 208, .16));
  border-color: var(--coral);
  color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 74, .28);
}

.page-faq .tab__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral);
  letter-spacing: .04em;
}

.page-faq .tab[aria-selected="true"] .tab__num,
.page-faq .tab.is-active .tab__num {
  color: var(--cyan);
}

.page-faq .panel {
  padding: 28px 0 0;
}

.page-faq .panel[hidden] {
  display: none;
}

.page-faq .panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 8px;
}

.page-faq .panel--device { --qa-accent: var(--coral); }
.page-faq .panel--gift { --qa-accent: var(--cyan); }
.page-faq .panel--server { --qa-accent: var(--yellow); }
.page-faq .panel--support { --qa-accent: var(--violet); }

.page-faq .panel__lead {
  margin: 0 0 20px;
  padding-left: 12px;
  border-left: 3px solid var(--qa-accent, var(--coral));
  color: var(--qa-ink);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .panel__figure {
  margin: 0 0 22px;
  max-width: 460px;
  border: 1px solid var(--line);
}

.page-faq .panel__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 问答卡片 */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 4px solid var(--qa-accent, var(--coral));
  border-radius: var(--radius);
  background: var(--qa-surface);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.page-faq .qa:hover {
  transform: translateX(3px);
  box-shadow: 0 0 0 1px rgba(53, 245, 208, .3), var(--shadow-lift);
}

.page-faq .qa[open] {
  box-shadow: var(--shadow-lift);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  padding: 4px 6px;
  border: 1px solid currentColor;
  border-radius: 2px;
  color: var(--qa-accent, var(--coral));
}

.page-faq .qa__text {
  color: var(--white);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .qa__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: var(--qa-accent, var(--coral));
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qa__icon::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .qa__icon::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .qa[open] .qa__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 16px 18px;
  border-top: 1px dashed var(--qa-line);
  margin-top: 2px;
}

.page-faq .qa__a p {
  margin: 14px 0 0;
  color: var(--qa-ink);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .qa__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 14px;
}

/* 分组底部入口 */
.page-faq .panel__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .panel__links-label {
  color: var(--slate);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-faq .faq-link {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 245, 208, .4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-link:hover {
  color: var(--white);
  border-color: var(--white);
}

/* 底部咨询 */
.page-faq .faq-cta-wrap {
  padding: 52px 0 64px;
}

.page-faq .faq-cta {
  display: grid;
  gap: 22px;
  padding: 26px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 10% 0%, rgba(255, 107, 74, .2), transparent 55%),
    radial-gradient(100% 120% at 100% 100%, rgba(53, 245, 208, .16), transparent 60%),
    linear-gradient(180deg, rgba(10, 27, 51, .96), rgba(5, 13, 26, .98));
  overflow: hidden;
}

.page-faq .faq-cta__main,
.page-faq .faq-cta__side {
  min-width: 0;
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: clamp(20px, 3.8vw, 28px);
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 12px 0 0;
  color: var(--qa-ink);
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .faq-cta__item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--qa-line);
}

.page-faq .faq-cta__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--slate);
}

.page-faq .faq-cta__val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* 断点 */
@media (min-width: 768px) {
  .page-faq .qa__q {
    padding: 17px 20px;
  }

  .page-faq .qa__a {
    padding: 0 20px 20px;
  }

  .page-faq .qa__text {
    font-size: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    padding: 36px 32px;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    padding-top: 28px;
  }

  .page-faq .faq-desk {
    padding-top: 68px;
  }

  .page-faq .panel {
    padding-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .tab,
  .page-faq .qa__icon::before,
  .page-faq .qa__icon::after {
    transition: none;
  }

  .page-faq .qa:hover,
  .page-faq .tab:hover {
    transform: none;
  }
}