.page-faq {
  --faq-gap: clamp(16px, 2.4vw, 28px);
  --faq-sec-pad: clamp(44px, 6vw, 88px);
  background: var(--ink-900);
  color: var(--body);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .section {
  padding-block: var(--faq-sec-pad);
}

.page-faq .breadcrumb {
  padding-block: 16px 0;
}

.page-faq a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

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

.page-faq a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 52px) clamp(44px, 6vw, 84px);
  background:
    radial-gradient(circle at 84% 14%, rgba(182, 255, 59, .16), transparent 46%),
    linear-gradient(158deg, #0A1B2E 0%, #071C16 64%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: 0;
  width: 210px;
  height: 8px;
  background: var(--lime);
  transform: skewX(-26deg);
  opacity: .85;
  pointer-events: none;
}

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

.page-faq .faq-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 16px 0 18px;
}

.page-faq .faq-lead {
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.75;
  color: var(--body);
  max-width: 40em;
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-jump__item {
  display: inline-block;
  padding: 8px 15px;
  font-size: 14px;
  font-weight: 600;
  color: var(--body);
  background: rgba(12, 43, 33, .72);
  border: 1px solid var(--line);
  border-bottom-color: var(--line);
  transition: transform .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
  border-bottom-color: var(--lime);
  transform: translateY(-2px);
}

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

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-faq .faq-hero__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 16px;
  background: var(--paper);
  color: var(--ink-900);
  font-size: 13px;
  font-weight: 700;
  border-top: 3px solid var(--orange);
}

.page-faq .faq-hero__badge .num {
  font-size: 20px;
  font-weight: 700;
  color: var(--orange-deep);
}

/* ---------- 章节头 ---------- */
.page-faq .sec-head {
  margin-bottom: clamp(22px, 3vw, 38px);
  max-width: 64ch;
}

.page-faq .sec-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.1vw, 36px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 10px 0 10px;
}

.page-faq .sec-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-dim);
}

.page-faq .sec-tail-link {
  margin: 22px 0 0;
  font-size: 14.5px;
  color: var(--body-dim);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  background: var(--ink-900);
}

.page-faq .idx-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(186px, 1fr));
}

.page-faq .idx-card__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 18px 16px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 3px solid var(--slate);
  color: inherit;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .idx-card__link:hover,
.page-faq .idx-card__link:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line);
  border-top-color: var(--lime);
  background: var(--ink-700);
}

.page-faq .idx-card__no {
  font-size: 34px;
  line-height: 1;
  color: var(--body-dim);
  font-weight: 700;
  transition: color .18s var(--ease);
}

.page-faq .idx-card__link:hover .idx-card__no {
  color: var(--lime);
}

.page-faq .idx-card__title {
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-faq .idx-card__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--body-dim);
}

.page-faq .idx-card__count {
  margin-top: auto;
  padding-top: 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
}

/* ---------- 设备与登录 ---------- */
.page-faq .faq-devices {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-faq .faq-flow-wrap {
  overflow-x: auto;
  margin-bottom: clamp(20px, 3vw, 34px);
  padding-bottom: 4px;
}

.page-faq .faq-flow {
  display: block;
  width: 100%;
  min-width: 520px;
  height: auto;
}

.page-faq .steps {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-faq .step__no {
  font-size: 26px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .step__title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
  margin-bottom: 5px;
}

.page-faq .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--body-dim);
}

.page-faq .device-split {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-note {
  padding: 20px 22px;
  align-self: stretch;
}

.page-faq .faq-note h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink-900);
  letter-spacing: .01em;
}

.page-faq .faq-note p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

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

.page-faq .faq-note a {
  color: var(--orange-deep);
  font-weight: 700;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 折叠问答 ---------- */
.page-faq .q-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .q-item {
  background: var(--ink-800);
  border: 1px solid var(--line);
  transition: border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .q-item:hover {
  border-color: var(--slate);
}

.page-faq .q-item[open] {
  border-color: var(--lime);
  background: rgba(182, 255, 59, .045);
}

.page-faq .q-item__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .q-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lime);
  transition: color .18s var(--ease);
}

.page-faq .q-item[open] .q-item__q::after {
  content: "−";
  color: var(--orange);
}

.page-faq .q-item__a {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--body-dim);
}

.page-faq .q-item__a p {
  margin: 0 0 8px;
}

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

/* ---------- 赛前阵容 ---------- */
.page-faq .faq-lineup {
  background: linear-gradient(180deg, #0A1B2E 0%, #071C16 100%);
  border-block: 1px solid var(--line);
}

.page-faq .field-grid {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 36px);
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
}

.page-faq .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--slate);
  border-left: 3px solid var(--lime);
}

.page-faq .field__name {
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: .02em;
}

.page-faq .field__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--body);
}

/* ---------- 资料与入口 ---------- */
.page-faq .faq-data {
  background: var(--ink-900);
}

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

.page-faq .duo__col {
  padding: clamp(18px, 2.4vw, 30px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 3px solid var(--lime);
}

.page-faq .duo__col--night {
  background: var(--ink-700);
  border-top-color: var(--orange);
}

.page-faq .duo__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.26;
  color: var(--paper);
}

.page-faq .duo__intro {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--body-dim);
}

.page-faq .duo__col .q-item {
  background: rgba(7, 28, 22, .55);
}

/* ---------- 支持路径 ---------- */
.page-faq .faq-support {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-faq .path {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  padding: 0;
}

.page-faq .path__node {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .path__node:first-child {
  border-top: 1px dashed var(--line);
}

.page-faq .path__no {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--orange);
}

.page-faq .path__title {
  display: block;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-faq .path__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--body-dim);
}

.page-faq .path__body .num {
  color: var(--paper);
}

/* ---------- 更新说明 ---------- */
.page-faq .faq-update {
  background: var(--ink-900);
}

.page-faq .update-box {
  position: relative;
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3vw, 40px);
  background: var(--paper);
  color: var(--ink-900);
  border-left: 6px solid var(--lime);
}

.page-faq .update-box__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--slate);
  max-width: 56ch;
}

.page-faq .update-box .sec-head__title {
  color: var(--ink-900);
  margin-bottom: 12px;
}

.page-faq .update-facts {
  margin: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-faq .update-fact {
  padding-top: 12px;
  border-top: 2px solid var(--slate);
}

.page-faq .update-fact dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange-deep);
  font-weight: 700;
  margin-bottom: 6px;
}

.page-faq .update-fact dd {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-faq .update-fact .num {
  font-size: 26px;
  color: var(--ink-900);
  margin-right: 2px;
}

/* ---------- 尾段入口 ---------- */
.page-faq .faq-next {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-faq .faq-next__box {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3vw, 40px);
  background:
    linear-gradient(120deg, rgba(255, 106, 42, .12), transparent 62%),
    var(--ink-700);
  border: 1px solid var(--line);
  border-bottom: 4px solid var(--lime);
}

.page-faq .faq-next__copy h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-next__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--body-dim);
}

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

.page-faq .faq-next__links .btn {
  border-bottom: 1px solid transparent;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .device-split {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-faq .duo {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .update-box {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-next__box {
    grid-template-columns: 1.2fr auto;
    align-items: center;
    gap: 32px;
  }

  .page-faq .faq-next__links {
    flex-direction: column;
    align-items: stretch;
  }

  .page-faq .faq-next__links .btn {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .idx-card__link,
  .page-faq .faq-jump__item,
  .page-faq .q-item,
  .page-faq a {
    transition: none;
  }

  .page-faq .idx-card__link:hover,
  .page-faq .faq-jump__item:hover {
    transform: none;
  }
}