.page-faq {
  --faq-gap: clamp(28px, 5vw, 64px);
  --faq-brown-soft: rgba(33, 26, 22, 0.72);
  --faq-brown-line: rgba(33, 26, 22, 0.16);
  display: block;
  background:
    radial-gradient(circle at 82% 4%, rgba(56, 242, 208, 0.10), transparent 46%),
    radial-gradient(circle at 8% 22%, rgba(255, 90, 42, 0.07), transparent 42%),
    var(--c-ink);
  color: var(--c-cream);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--c-cream);
  max-width: 24ch;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .faq-lede a {
  color: var(--c-cyan);
}

/* ---------- 索引 + 折叠组 ---------- */
.page-faq .faq-intro {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(24px, 4vw, 44px);
}

.page-faq .faq-legend {
  border-left: 1px solid var(--line-bright);
  padding-left: 16px;
}

.page-faq .faq-legend-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-glass);
}

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

.page-faq .faq-legend-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--c-cream);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-legend-link:hover {
  color: var(--c-cyan);
  border-color: var(--line-bright);
}

.page-faq .lg-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-cyan);
}

.page-faq .faq-legend-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r);
  border: 1px solid var(--line);
  filter: saturate(0.92) contrast(1.06);
}

.page-faq .faq-groups {
  background: var(--c-cream);
  color: var(--c-brown);
  border: 1px solid var(--cream-line);
  border-radius: var(--r);
  padding: clamp(18px, 3vw, 34px);
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.38);
}

.page-faq .faq-group + .faq-group {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--faq-brown-line);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--faq-brown-soft);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.25;
  color: var(--c-brown);
}

.page-faq .faq-group-note {
  margin: 8px 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-brown-soft);
}

.page-faq .faq-item {
  border-top: 1px solid var(--faq-brown-line);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--faq-brown-line);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-brown);
}

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

.page-faq .faq-no {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  color: var(--faq-brown-soft);
}

.page-faq .faq-mark {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-brown);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(45deg);
}

.page-faq .faq-a {
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(33, 26, 22, 0.86);
}

.page-faq .faq-a a {
  color: var(--c-brown);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--c-carbon);
  background: rgba(56, 242, 208, 0.35);
}

.page-faq .faq-steps {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 6px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep) ".";
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-brown);
}

/* ---------- 后段通用区块 ---------- */
.page-faq .faq-section {
  padding-top: clamp(40px, 7vw, 88px);
}

.page-faq .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-cream);
  max-width: 26ch;
}

.page-faq .section-lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 换设备步骤 ---------- */
.page-faq .device-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-faq .device-figure {
  margin: 0;
}

.page-faq .device-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r);
  border: 1px solid var(--line);
  filter: saturate(0.9) contrast(1.05);
}

.page-faq .step-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-faq .step-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 0 0 22px;
}

.page-faq .step-item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 36px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-cyan), rgba(56, 242, 208, 0.08));
}

.page-faq .step-item:last-child {
  padding-bottom: 0;
}

.page-faq .step-item:last-child::before {
  display: none;
}

.page-faq .step-num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  background: rgba(56, 242, 208, 0.08);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-cyan);
}

.page-faq .step-title {
  margin: 4px 0 6px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-cream);
}

.page-faq .step-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 入口路径排查 ---------- */
.page-faq .check-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--line);
  overflow: hidden;
}

.page-faq .check-cell {
  background: var(--c-carbon);
  padding: 20px 18px;
}

.page-faq .check-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--c-glass);
}

.page-faq .check-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-faq .check-result {
  margin: 18px 0 0;
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--c-orange);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-cream);
}

.page-faq .check-result a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-bright);
}

.page-faq .check-result a:hover {
  color: var(--c-gold);
}

/* ---------- 赛程筛选 ---------- */
.page-faq .filter-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .filter-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(100deg, rgba(56, 242, 208, 0.07), rgba(7, 26, 22, 0) 62%);
}

.page-faq .filter-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  padding-top: 3px;
}

.page-faq .filter-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .fixture-note {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .fixture-note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-bright);
}

.page-faq .fixture-note a:hover {
  color: var(--c-gold);
}

/* ---------- 兼容清单 ---------- */
.page-faq .compat-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r);
  -webkit-overflow-scrolling: touch;
}

.page-faq .compat-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 14px;
}

.page-faq .compat-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-glass);
  background: rgba(168, 255, 241, 0.05);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .compat-table td {
  padding: 13px 16px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--c-mist);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .compat-table tr:last-child td {
  border-bottom: 0;
}

.page-faq .compat-table td:first-child {
  color: var(--c-cream);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  vertical-align: middle;
}

.page-faq .dot--ok {
  background: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(56, 242, 208, 0.18);
}

.page-faq .dot--warn {
  background: var(--c-orange);
  box-shadow: 0 0 0 3px rgba(255, 90, 42, 0.16);
}

/* ---------- 联系支持 ---------- */
.page-faq .support-block {
  margin-top: clamp(40px, 7vw, 84px);
  display: grid;
  gap: 24px;
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--line-bright);
  border-radius: var(--r);
  background:
    linear-gradient(140deg, rgba(56, 242, 208, 0.10), rgba(7, 26, 22, 0.35) 55%),
    var(--c-carbon);
}

.page-faq .support-title {
  font-size: clamp(22px, 3.2vw, 32px);
  max-width: 22ch;
  margin-top: 8px;
}

.page-faq .support-text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .support-mail-line {
  margin: 16px 0 0;
}

.page-faq .support-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-bright);
  word-break: break-all;
}

.page-faq .support-mail:hover {
  color: var(--c-gold);
  border-color: rgba(217, 164, 65, 0.6);
}

.page-faq .support-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-faq .support-side-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-glass);
}

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

.page-faq .support-links a {
  display: block;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--c-cream);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .support-links a:hover {
  color: var(--c-cyan);
}

.page-faq .support-note--tight a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-bright);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-a {
    padding-left: 34px;
  }

  .page-faq .filter-row {
    grid-template-columns: 76px minmax(0, 1fr);
    padding: 18px 20px;
  }
}

@media (min-width: 780px) {
  .page-faq .check-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .filter-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-faq .faq-intro {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-legend {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-faq .device-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .support-block {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-groups {
    padding: 38px 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-mark,
  .page-faq .faq-legend-link,
  .page-faq .support-links a {
    transition: none;
  }
}
<<<END>>>