.page-faq {
  background: var(--arena);
  color: var(--mist);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 52px) 0 clamp(36px, 6vw, 76px);
  background:
    radial-gradient(135% 100% at 88% 0%, rgba(56, 225, 255, 0.16), rgba(56, 225, 255, 0) 55%),
    radial-gradient(85% 85% at 0% 100%, rgba(255, 106, 26, 0.13), rgba(255, 106, 26, 0) 62%),
    linear-gradient(180deg, #0B1B33 0%, #050B16 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

@media (min-width: 940px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

.page-faq .breadcrumbs {
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__copy .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4.8vw, 58px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.02em;
  color: var(--mist);
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stats__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: -0.01em;
}

.page-faq .faq-stats__label {
  font-size: 12.5px;
  color: var(--muted);
}

.page-faq .faq-hero__visual {
  margin: 0;
  border-radius: var(--r-frame);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, 0.9);
}

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

/* ---------- 快速定位 ---------- */

.page-faq .faq-quick {
  border-top: 1px solid rgba(30, 58, 99, 0.7);
}

.page-faq .faq-quick__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

@media (min-width: 860px) {
  .page-faq .faq-quick__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 34ch);
    align-items: end;
    gap: 32px;
  }
}

.page-faq .faq-quick__head .section-title {
  margin: 8px 0 0;
}

.page-faq .faq-quick__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-faq .faq-quick__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

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

@media (min-width: 1000px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-faq .faq-quick__card {
  display: grid;
  gap: 7px;
  align-content: start;
  padding: 18px 16px 16px;
  border-radius: var(--r-card);
  background: var(--panel);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--mist);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.page-faq .faq-quick__card:hover,
.page-faq .faq-quick__card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 26, 0.6);
  background: linear-gradient(160deg, rgba(255, 106, 26, 0.16), rgba(18, 41, 74, 0.9) 60%);
}

.page-faq .faq-quick__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-faq .faq-quick__name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-quick__desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-quick__count {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

/* ---------- 主布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
  padding-bottom: clamp(56px, 8vw, 110px);
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
  }
}

.page-faq .faq-rail {
  border-left: 2px solid var(--line);
  padding: 4px 0 4px 16px;
}

@media (min-width: 1000px) {
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-rail__list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (max-width: 999px) {
  .page-faq .faq-rail__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border-radius: var(--r-pill);
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--mist);
  background: rgba(56, 225, 255, 0.1);
}

.page-faq .faq-rail__no {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--neon);
  letter-spacing: 0.1em;
}

.page-faq .faq-rail__hint {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(30, 58, 99, 0.9);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

@media (max-width: 999px) {
  .page-faq .faq-rail__hint {
    display: none;
  }
}

/* ---------- 问答区块 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: clamp(46px, 6vw, 82px);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-block__head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
  max-width: 68ch;
}

.page-faq .faq-block__head .section-title {
  margin: 8px 0 10px;
}

.page-faq .faq-block__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-block--accent .faq-block__head {
  border-left: 3px solid var(--flare);
  padding-left: 16px;
}

.page-faq .faq-block__media {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

@media (min-width: 860px) {
  .page-faq .faq-block--accent {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    grid-template-areas:
      "head media"
      "list media";
    column-gap: 36px;
    align-items: start;
  }

  .page-faq .faq-block--accent .faq-block__head {
    grid-area: head;
  }

  .page-faq .faq-block--accent .faq-block__media {
    grid-area: media;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    margin-top: 6px;
  }

  .page-faq .faq-block--accent .faq-list {
    grid-area: list;
  }
}

.page-faq .faq-block--accent .media-frame {
  margin: 0;
  border-radius: var(--r-frame);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, #12294A, #050B16);
}

.page-faq .faq-block--accent .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

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

.page-faq .faq-item[open] {
  border-color: rgba(182, 255, 59, 0.42);
  background: linear-gradient(165deg, rgba(182, 255, 59, 0.06), rgba(18, 41, 74, 0.96) 42%);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  border-radius: var(--r-card);
}

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

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

.page-faq .faq-item__index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--neon);
  padding-top: 4px;
}

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

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--neon);
  transform: translate(-50%, -50%);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

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

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

.page-faq .faq-item__a {
  padding: 0 18px 20px 18px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .faq-k {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--neon);
  letter-spacing: -0.01em;
}

/* ---------- 步骤条 ---------- */

.page-faq .faq-steps {
  counter-reset: step;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  flex: none;
  margin-top: 3px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--neon);
  background: rgba(182, 255, 59, 0.12);
  border: 1px solid rgba(182, 255, 59, 0.28);
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-steps li:hover::before {
  background: var(--neon);
  color: var(--void);
}

/* ---------- 联系区块 ---------- */

.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 3vw, 34px);
}

@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-contact__item {
  padding: 20px 18px;
  border-radius: var(--r-card);
  background: linear-gradient(165deg, rgba(56, 225, 255, 0.08), rgba(18, 41, 74, 0.95) 55%);
  border: 1px solid var(--line);
}

.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-contact__value {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

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

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-steps li::before {
    transition: none;
  }

  .page-faq .faq-quick__card:hover,
  .page-faq .faq-quick__card:focus-visible {
    transform: none;
  }
}