/* ===== 28圈注册 · 常见问题页（/answers/） ===== */

.page-faq {
  background: var(--paper-100);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 46px) 0 clamp(30px, 5vw, 62px);
  background: var(--ink-900);
  color: var(--paper-100);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(247, 245, 240, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(247, 245, 240, .055) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 94%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 94%);
}

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

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero .crumbs__link,
.page-faq .faq-hero .crumbs__item--current {
  font-size: 13px;
  letter-spacing: .08em;
  color: rgba(247, 245, 240, .58);
  text-decoration: none;
}

.page-faq .faq-hero .crumbs__link:hover {
  color: var(--signal-500);
}

.page-faq .faq-hero .crumbs__sep {
  color: rgba(247, 245, 240, .26);
  margin: 0 8px;
}

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

.page-faq .faq-hero h1 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  color: var(--paper-100);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 34em;
  color: rgba(247, 245, 240, .74);
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-hero .eyebrow {
  color: var(--signal-500);
  margin-bottom: 12px;
}

/* 快速跳转面板 */

.page-faq .faq-quick {
  border: 1px solid var(--hair-dark);
  background: rgba(20, 38, 58, .62);
  padding: clamp(16px, 2vw, 22px);
}

.page-faq .faq-quick .label {
  color: var(--signal-500);
  margin: 0;
}

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

.page-faq .faq-quick__link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid rgba(247, 245, 240, .09);
  color: rgba(247, 245, 240, .86);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .24s var(--ease-out);
}

.page-faq .faq-quick__list li:last-child .faq-quick__link {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-quick__link:hover {
  color: var(--signal-500);
}

.page-faq .faq-quick__idx {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--signal-500);
  font-variant-numeric: tabular-nums;
}

/* 数据条 */

.page-faq .faq-stats {
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(247, 245, 240, .14);
  border: 1px solid rgba(247, 245, 240, .14);
}

.page-faq .faq-stats__cell {
  background: var(--ink-900);
  padding: 15px 18px;
}

.page-faq .faq-stats dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(247, 245, 240, .5);
}

.page-faq .faq-stats dd {
  margin: 7px 0 0;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper-100);
  font-variant-numeric: tabular-nums;
}

/* 首屏横向示意图 */

.page-faq .faq-hero__media {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid rgba(247, 245, 240, .16);
  background: var(--ink-700);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 700;
  object-fit: cover;
  opacity: .9;
}

.page-faq .faq-hero__media::before,
.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--signal-500);
  pointer-events: none;
}

.page-faq .faq-hero__media::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__media::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  padding-top: clamp(32px, 5vw, 60px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

/* 左侧分类索引 */

.page-faq .faq-index {
  border-top: 2px solid var(--ink-900);
  padding-top: 12px;
}

.page-faq .faq-index .label {
  margin: 0;
  color: var(--stone-500);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 14px;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 11px 0 11px 10px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--hair-soft);
  color: var(--ink-700);
  font-size: 14.5px;
  line-height: 1.45;
  text-decoration: none;
  transition: color .24s var(--ease-out), border-color .24s var(--ease-out);
}

.page-faq .faq-index__link:hover {
  color: var(--signal-700);
}

.page-faq .faq-index__link.is-active,
.page-faq .faq-index__link[aria-current="true"] {
  color: var(--signal-700);
  border-left-color: var(--signal-500);
  font-weight: 700;
}

.page-faq .faq-index__idx {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone-500);
  font-variant-numeric: tabular-nums;
}

/* 问答区 */

.page-faq .qa-list {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  min-width: 0;
}

.page-faq .qa-group {
  scroll-margin-top: calc(var(--masthead-h) + 24px);
}

.page-faq .qa-group__head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  border-top: 2px solid var(--ink-900);
  padding-top: 12px;
}

.page-faq .qa-group__idx {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--signal-500);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa-group__title {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.3;
}

.page-faq .qa-group__note {
  margin: 10px 0 6px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stone-500);
}

/* 单条问答 */

.page-faq .qa {
  border-bottom: 1px solid var(--hair);
}

.page-faq .qa__q {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15.5px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
  transition: color .24s var(--ease-out);
}

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

.page-faq .qa__q:hover {
  color: var(--signal-700);
}

.page-faq .qa__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--signal-500);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--ink-500);
  transition: transform .24s var(--ease-out), opacity .24s var(--ease-out);
}

.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transform-origin: center;
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-500);
}

.page-faq .qa__a p {
  margin: 0 0 .7em;
}

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

.page-faq .qa__a a {
  color: var(--signal-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(178, 58, 18, .35);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--signal-700);
}

/* 步骤列表 */

.page-faq .qa__steps {
  counter-reset: faqstep;
  list-style: none;
  margin: .35em 0 .6em;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .qa__steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .qa__steps > li::before {
  content: counter(faqstep);
  display: block;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  color: var(--signal-700);
  font-size: 12px;
  font-weight: 700;
  line-height: 22px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* 问答内配图 */

.page-faq .qa__figure {
  margin: 14px 0 6px;
  border: 1px solid var(--hair);
  background: var(--paper-200);
}

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

.page-faq .qa__figure figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone-500);
}

/* 复制链接 */

.page-faq .qa__anchor {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--hair);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone-500);
  text-decoration: none;
}

.page-faq .qa__anchor:hover {
  color: var(--signal-700);
  border-bottom-color: var(--signal-500);
}

/* 联系方式卡片（第 06 组内） */

.page-faq .faq-contact-card {
  margin: 14px 0 4px;
  padding: clamp(14px, 2.2vw, 22px);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--signal-500);
  background: var(--paper-200);
}

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

.page-faq .faq-contact-card__row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .faq-contact-card__k {
  color: var(--stone-500);
}

.page-faq .faq-contact-card__v {
  color: var(--ink-900);
  font-weight: 700;
  word-break: break-word;
}

.page-faq .faq-contact-card__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone-500);
}

/* 页尾行动区 */

.page-faq .faq-foot {
  margin-top: clamp(6px, 1.5vw, 14px);
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-faq .faq-foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone-500);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa__a {
    padding-left: 30px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    justify-items: stretch;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(250px, 1fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 62px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--masthead-h) + 26px);
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa__q,
  .page-faq .faq-quick__link,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>