.page-faq {
  --faq-gap: clamp(18px, 3vw, 30px);
  --faq-dash: rgba(23, 69, 58, .28);
  background: var(--paper);
  color: var(--carbon);
  padding-bottom: clamp(48px, 8vw, 92px);
}

.page-faq .shell {
  padding-inline: clamp(16px, 4vw, 32px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-faq .breadcrumb a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(16px, 3vw, 26px);
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 6vw, 60px);
  background:
    linear-gradient(118deg, transparent 0 50%, rgba(23, 69, 58, .6) 50% 71%, transparent 71%),
    radial-gradient(130% 150% at 92% -20%, rgba(200, 255, 61, .2), transparent 58%),
    var(--ink);
  color: var(--paper);
  border-block: 2px solid var(--carbon);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(200, 255, 61, .35);
  transform: rotate(24deg);
  pointer-events: none;
}

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

.page-faq .faq-hero .label {
  color: var(--lime);
  letter-spacing: .14em;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 7.4vw, 4.1rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--white);
  transform: rotate(-1.4deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero .lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 66ch;
  font-size: clamp(1rem, 2.1vw, 1.1rem);
  line-height: 1.78;
  color: rgba(242, 234, 216, .9);
}

/* ---------- 跳转条 ---------- */
.page-faq .faq-jump {
  margin-top: var(--faq-gap);
  padding: 12px 14px;
  background: var(--carbon);
  border: 2px solid var(--teal);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  color: var(--paper);
}

.page-faq .faq-jump__label {
  margin: 0 0 8px;
  color: var(--mist);
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-jump__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink);
  border: 2px solid var(--teal);
  border-radius: 999px;
  transition: transform .18s ease, background-color .18s ease, color .18s ease;
}

.page-faq .faq-jump__list a .num {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--mist);
}

.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible {
  background: var(--lime);
  color: var(--carbon);
  border-color: var(--carbon);
  transform: translateY(-2px);
}

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

.page-faq .faq-jump__list a[href="#rules"] {
  background: var(--lime);
  color: var(--carbon);
  border-color: var(--carbon);
}

.page-faq .faq-jump__list a[href="#rules"] .num {
  color: var(--teal);
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: clamp(20px, 3.6vw, 34px) 0 0;
  border: 2px solid var(--carbon);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  background: var(--white);
  overflow: hidden;
}

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

.page-faq .faq-media .media__caption {
  padding: 12px 16px 14px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--carbon);
  background: var(--white);
  border-top: 2px dashed var(--faq-dash);
}

.page-faq .faq-media .media__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--carbon);
  background: var(--lime);
  border-radius: 4px;
}

.page-faq .faq-media--soft {
  margin: 4px 0 18px;
  box-shadow: none;
  border-color: var(--teal);
}

.page-faq .faq-media--soft img {
  aspect-ratio: 21 / 8;
}

/* ---------- 双栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 4.6vw, 46px);
  align-items: start;
}

.page-faq .faq-index {
  padding: 16px 14px 14px;
  background: var(--carbon);
  border: 2px solid var(--teal);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  color: var(--paper);
}

.page-faq .faq-index > .label {
  margin: 0 0 6px;
  color: var(--lime);
}

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

.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  font-size: .92rem;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  border-left: 3px solid transparent;
  border-radius: 6px;
  transition: background-color .16s ease, border-color .16s ease;
}

.page-faq .faq-index__list a .num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--mist);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(255, 253, 245, .07);
  border-left-color: var(--lime);
}

.page-faq .faq-index__list a[href="#rules"] {
  border-left-color: var(--lime);
  color: var(--lime);
}

.page-faq .faq-index__meta {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 2px dashed rgba(255, 253, 245, .18);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 分组卡片 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
  padding: clamp(16px, 3vw, 26px);
  background: var(--white);
  border: 2px solid var(--carbon);
  border-radius: var(--radius);
  box-shadow: var(--hard);
}

.page-faq .faq-groups > .faq-group + .faq-group {
  margin-top: var(--faq-gap);
}

.page-faq .faq-group:target {
  box-shadow: 0 0 0 4px var(--lime), var(--hard);
}

.page-faq .faq-group--accent {
  border-left-width: 9px;
  border-left-color: var(--lime);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 2px dashed var(--faq-dash);
}

.page-faq .faq-group__head .header-xl {
  margin: 0;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-group__num {
  display: inline-grid;
  place-items: center;
  min-width: 46px;
  height: 34px;
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--lime);
  background: var(--ink);
  border-radius: 8px;
}

.page-faq .faq-group--accent .faq-group__num {
  color: var(--carbon);
  background: var(--lime);
  border: 2px solid var(--carbon);
  min-width: 50px;
  height: 38px;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  background: var(--paper);
  border: 2px solid var(--carbon);
  border-radius: 10px;
  overflow: hidden;
}

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

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 46px 12px 13px;
  font-size: .98rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--carbon);
  cursor: pointer;
  list-style: none;
  transition: background-color .18s ease, color .18s ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 6px;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-item summary:hover {
  background: rgba(23, 69, 58, .07);
}

.page-faq .faq-item[open] summary {
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
  color: var(--lime);
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  margin-top: 1px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  color: var(--teal);
  background: rgba(23, 69, 58, .1);
  border-radius: 4px;
}

.page-faq .faq-item[open] summary .faq-item__num {
  color: var(--lime);
  background: rgba(200, 255, 61, .16);
}

.page-faq .faq-item__body {
  padding: 12px 15px 16px;
  font-size: .95rem;
  line-height: 1.78;
  color: #1d2a25;
  border-top: 2px dashed var(--faq-dash);
}

.page-faq .faq-item__body p {
  margin: 0 0 .75em;
  max-width: 64ch;
}

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

.page-faq .faq-item__body a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  background: rgba(200, 255, 61, .5);
}

/* ---------- 复制客服邮箱 ---------- */
.page-faq .faq-copy {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--white);
  border: 2px solid var(--carbon);
  border-radius: 10px;
}

.page-faq .faq-copy .label {
  margin: 0 0 8px;
  color: var(--teal);
}

.page-faq .faq-copy__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.page-faq .faq-copy__value {
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .copy-btn {
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--carbon);
  background: var(--lime);
  border: 2px solid var(--carbon);
  border-radius: 999px;
  cursor: pointer;
  transition: transform .16s ease, background-color .16s ease;
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: var(--orange);
  transform: translateY(-2px);
}

.page-faq .copy-status {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--teal);
}

.page-faq .faq-copy__note {
  margin: 10px 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--teal);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 46px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 300px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__list a,
  .page-faq .faq-item summary,
  .page-faq .copy-btn,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<END>>>