.page-faq {
  --faq-r: 26px;
  --faq-r-sm: 16px;
  --faq-gap: clamp(14px, 2vw, 20px);
  padding-bottom: clamp(64px, 9vw, 120px);
  color: var(--white);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
}

.page-faq p {
  margin: 0;
}

.page-faq ul,
.page-faq ol,
.page-faq dl,
.page-faq dd {
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumb {
  margin-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  margin-top: clamp(20px, 3vw, 38px);
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-faq .faq-hero__copy h1 {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  text-wrap: balance;
}

.page-faq .faq-hero__copy .lede {
  margin-top: 18px;
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur-fast) ease, border-color var(--dur-fast) ease,
    background-color var(--dur-fast) ease;
}

.page-faq .faq-jump a:hover {
  color: var(--white);
  border-color: rgba(255, 90, 31, .55);
  background-color: rgba(255, 90, 31, .1);
}

.page-faq .faq-jump a:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: 2px;
  color: var(--white);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r);
  overflow: hidden;
}

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

/* ---------- 分组标题 ---------- */

.page-faq .faq-group {
  margin-top: clamp(58px, 8vw, 108px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 clamp(16px, 2.6vw, 30px);
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.6vw, 28px);
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-index {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.8vw, 32px);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--flame);
}

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

.page-faq .faq-group__body .section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: -.008em;
}

.page-faq .faq-group__body .section-lede {
  max-width: 40em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 球场示意图 ---------- */

.page-faq .faq-scope__figure {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  border-radius: var(--r);
  overflow: hidden;
}

/* ---------- 六个数字卡片 ---------- */

.page-faq .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .scope-card {
  background-color: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 22px 22px 24px;
  display: grid;
  gap: 8px;
  align-content: start;
  transition: transform var(--dur) ease, border-color var(--dur) ease,
    box-shadow var(--dur) ease;
}

.page-faq .scope-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-faq .scope-card__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--white);
  padding-top: 14px;
  position: relative;
}

.page-faq .scope-card__name::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background-color: var(--flame);
}

.page-faq .scope-card__use {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--cyan);
}

.page-faq .scope-card__desc {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 折叠问答 ---------- */

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

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background-image: linear-gradient(180deg, rgba(20, 26, 34, .92), rgba(11, 14, 19, .94));
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 90, 31, .42);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 2.6vw, 28px);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--white);
  transition: color var(--dur-fast) ease;
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary:hover {
  color: var(--ember-soft);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--flame);
  outline-offset: -2px;
  box-shadow: inset 0 0 0 3px rgba(55, 194, 214, .28);
  border-radius: var(--r-sm);
}

.page-faq .faq-mark {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  position: relative;
  transition: transform var(--dur) ease, border-color var(--dur) ease,
    background-color var(--dur) ease;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: var(--mist);
  transform: translate(-50%, -50%);
  transition: background-color var(--dur) ease;
}

.page-faq .faq-mark::before {
  width: 11px;
  height: 2px;
}

.page-faq .faq-mark::after {
  width: 2px;
  height: 11px;
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(135deg);
  border-color: rgba(255, 90, 31, .6);
  background-color: rgba(255, 90, 31, .14);
}

.page-faq .faq-item[open] .faq-mark::before,
.page-faq .faq-item[open] .faq-mark::after {
  background-color: var(--ember);
}

.page-faq .faq-item__a {
  padding: 0 clamp(18px, 2.6vw, 28px) 22px;
  max-width: 62ch;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.84;
}

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

/* ---------- 纠错步骤 ---------- */

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  background-color: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(55, 194, 214, .55);
  border-radius: var(--r-sm);
  padding: 20px clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .faq-steps__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-steps li p {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.78;
}

.page-faq .faq-note {
  margin-top: 18px;
  padding-left: 16px;
  border-left: 2px solid rgba(255, 90, 31, .5);
  max-width: 56em;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 人工求助 ---------- */

.page-faq .faq-help {
  margin-top: clamp(58px, 8vw, 108px);
}

.page-faq .faq-help__card {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid rgba(255, 90, 31, .34);
  border-radius: var(--r);
  background-image:
    radial-gradient(130% 150% at 100% 0%, rgba(255, 90, 31, .17), transparent 62%),
    linear-gradient(160deg, var(--ink-800), var(--ink-900));
}

.page-faq .faq-help__intro {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-help__intro .section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.3;
}

.page-faq .faq-help__lede {
  max-width: 38em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.82;
}

.page-faq .faq-help__intro .btn {
  justify-self: start;
  margin-top: 4px;
}

.page-faq .faq-contacts {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contacts__row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contacts__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .faq-contacts__row dd {
  color: var(--white);
  font-size: 15px;
  line-height: 1.7;
  word-break: break-word;
}

.page-faq .faq-crosslink {
  margin-top: clamp(20px, 2.6vw, 30px);
  max-width: 52em;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .faq-crosslink a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-decoration-color: rgba(55, 194, 214, .45);
  text-underline-offset: 3px;
  transition: color var(--dur-fast) ease, text-decoration-color var(--dur-fast) ease;
}

.page-faq .faq-crosslink a:hover {
  color: var(--white);
  text-decoration-color: var(--flame);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contacts__row {
    grid-template-columns: minmax(90px, 120px) minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
  }

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

@media (min-width: 1080px) {
  .page-faq .scope-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .scope-card,
  .page-faq .faq-item,
  .page-faq .faq-mark,
  .page-faq .faq-jump a,
  .page-faq .faq-crosslink a {
    transition: none;
  }

  .page-faq .scope-card:hover {
    transform: none;
  }
}
<<<END>>>

.page-faq {
  --r: 10px;
}