.page-faq {
  --faq-line: rgba(46, 82, 67, 0.58);
  --faq-line-soft: rgba(46, 82, 67, 0.3);
  --faq-radius: 14px;
  --faq-pad: clamp(16px, 3.5vw, 24px);
  background:
    radial-gradient(120% 70% at 82% -10%, rgba(43, 242, 192, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 48%, var(--ink-950) 100%);
  color: var(--text);
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--cyan-soft);
  text-decoration: none;
}

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

.page-faq .kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 20px 0 clamp(44px, 8vw, 84px);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
  overflow: hidden;
}

.page-faq .faq-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.3;
  filter: saturate(0.6) brightness(0.62);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 10, 0.4) 0%, rgba(5, 13, 10, 0.85) 55%, var(--ink-950) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs__list {
  margin: 0 0 clamp(26px, 5vw, 48px);
}

.page-faq h1 {
  font-size: clamp(2.4rem, 8vw, 5rem);
  max-width: 15ch;
  margin-bottom: 20px;
}

.page-faq .lead {
  max-width: 54ch;
  font-size: clamp(0.95rem, 2.2vw, 1.05rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 18px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-hero__meta strong {
  color: var(--cyan);
  font-weight: 600;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(32px, 6vw, 64px) 0 clamp(40px, 7vw, 76px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

/* 分类索引 */
.page-faq .faq-index__box {
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background: var(--glass);
  backdrop-filter: blur(12px);
  padding: var(--faq-pad);
}

.page-faq .faq-index__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-filter .filter-bar__btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-filter .filter-bar__btn:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-faq .faq-filter .filter-bar__btn[aria-pressed="true"] {
  background: rgba(43, 242, 192, 0.14);
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

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

.page-faq .faq-filter .filter-bar__btn[aria-pressed="true"] .faq-filter__n {
  color: var(--cyan);
}

/* 问答列表 */
.page-faq .faq-main__title {
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  margin-bottom: 20px;
}

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

.page-faq .faq-q {
  border: 1px solid var(--faq-line);
  border-left: 2px solid transparent;
  border-radius: 4px var(--faq-radius) var(--faq-radius) 4px;
  background: var(--ink-900);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-q:hover {
  border-color: var(--line);
  background: var(--ink-800);
}

.page-faq .faq-q[open] {
  border-left-color: var(--cyan);
  background: var(--ink-800);
}

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

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

.page-faq .faq-q__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .faq-q__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 6px;
}

.page-faq .faq-q[open] .faq-q__num {
  color: var(--cyan);
}

.page-faq .faq-q__title {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2.6vw, 1.28rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-q__icon {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 7px;
  flex: none;
}

.page-faq .faq-q__icon::before,
.page-faq .faq-q__icon::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-q__icon::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-q__icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-q[open] .faq-q__icon::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-q[open] .faq-q__icon::before {
  background: var(--cyan);
}

.page-faq .faq-q__body {
  padding: 0 16px 18px;
  max-width: 60ch;
}

.page-faq .faq-q__body p {
  padding-left: 2px;
  border-left: 1px solid var(--faq-line-soft);
  padding-left: 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-q[open] .faq-q__body {
  animation: faq-reveal 0.22s var(--ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 赛前排障 ---------- */
.page-faq .faq-drill {
  padding: clamp(36px, 7vw, 72px) 0;
  border-top: 1px solid var(--faq-line-soft);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
}

.page-faq .faq-drill__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-drill__media {
  order: 2;
}

.page-faq .faq-drill__media .media__frame {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-drill__media .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) brightness(0.8);
}

.page-faq .faq-drill__media .media__caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-drill__body h2 {
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  margin-bottom: 14px;
}

.page-faq .faq-drill__lead {
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: clamp(22px, 4vw, 34px);
}

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

.page-faq .faq-drill__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 20px 0;
  border-top: 1px solid var(--faq-line-soft);
}

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

.page-faq .faq-drill__n {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.page-faq .faq-drill__step h3 {
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  font-weight: 600;
}

.page-faq .faq-drill__step p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}

.page-faq .faq-drill__back {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-drill__back a {
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 2px;
}

/* ---------- 客服窗口 ---------- */
.page-faq .faq-support {
  padding: clamp(36px, 7vw, 72px) 0;
}

.page-faq .faq-support__panel {
  position: relative;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  padding: clamp(22px, 4vw, 40px);
  background:
    linear-gradient(140deg, rgba(43, 242, 192, 0.09) 0%, rgba(16, 36, 27, 0.9) 46%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-faq .faq-support__panel::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid var(--faq-line);
  box-shadow: 0 0 0 26px rgba(43, 242, 192, 0.05), 0 0 0 54px rgba(43, 242, 192, 0.03);
  pointer-events: none;
}

.page-faq .faq-support__head h2 {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  margin-bottom: 12px;
}

.page-faq .faq-support__lead {
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: clamp(20px, 4vw, 30px);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-support__cell {
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  background: rgba(5, 13, 10, 0.5);
  padding: 14px 16px;
}

.page-faq .faq-support__cell--signal {
  border-color: rgba(255, 122, 47, 0.55);
  background: rgba(255, 122, 47, 0.08);
}

.page-faq .faq-support__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-faq .faq-support__value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-all;
}

.page-faq .faq-support__cell--signal .faq-support__value {
  color: var(--orange-soft);
  font-family: var(--font-body);
  letter-spacing: 0;
  word-break: normal;
}

.page-faq .faq-support__note {
  margin-top: 18px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  padding: 0 0 clamp(48px, 8vw, 88px);
}

.page-faq .faq-next__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-top: clamp(26px, 5vw, 40px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-next__text h2 {
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  margin-bottom: 10px;
}

.page-faq .faq-next__text p {
  max-width: 50ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

.page-faq .faq-next__links a {
  color: var(--muted);
}

.page-faq .faq-next__links a:hover,
.page-faq .faq-next__links a:focus-visible {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-support__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-q__head {
    padding: 18px 20px;
    gap: 16px;
  }

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

  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(232px, 292px) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-filter {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-filter .filter-bar__btn {
    width: 100%;
    justify-content: flex-start;
    border-radius: 9px;
    padding: 11px 14px;
  }

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

  .page-faq .faq-drill__media {
    order: 0;
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-main__title {
    margin-bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q[open] .faq-q__body {
    animation: none;
  }

  .page-faq .faq-q,
  .page-faq .faq-q__icon::before,
  .page-faq .faq-q__icon::after {
    transition: none;
  }
}
<<<END>>>