.page-faq {
  --fq-line: rgba(23, 19, 15, .14);
  --fq-line-soft: rgba(23, 19, 15, .07);
  --fq-line-dark: rgba(251, 249, 244, .16);
  --fq-dim: rgba(251, 249, 244, .68);
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */

.page-faq .breadcrumb {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-head {
  padding: clamp(20px, 4vw, 40px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-faq .faq-head h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-faq .faq-head__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fq-line-soft);
}

.page-faq .faq-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 1 1 118px;
  padding: 14px 22px 0 0;
}

.page-faq .faq-facts b {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-deep);
}

.page-faq .faq-facts span {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

/* ---------- 区带 ---------- */

.page-faq .faq-sec {
  padding: clamp(40px, 6vw, 78px) 0;
  border-bottom: 1px solid var(--fq-line-soft);
}

.page-faq .faq-sec--tint {
  background: var(--paper-2);
}

.page-faq .faq-sec--dark {
  background: var(--midnight);
  color: var(--mist);
  border-bottom-color: var(--fq-line-dark);
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.22;
  letter-spacing: -.005em;
}

.page-faq .faq-sec__head .section-number {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rust);
}

.page-faq .faq-sec--dark .faq-sec__head .section-number {
  color: var(--cyan);
}

.page-faq .faq-sec__note {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-sec--dark .faq-sec__note {
  color: var(--fq-dim);
}

@media (min-width: 760px) {
  .page-faq .faq-sec__head {
    grid-template-columns: minmax(120px, 170px) minmax(0, 1fr);
    column-gap: 24px;
    align-items: baseline;
  }
  .page-faq .faq-sec__head .section-number {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 8px;
  }
  .page-faq .faq-sec__head h2,
  .page-faq .faq-sec__head .faq-sec__note {
    grid-column: 2;
  }
}

/* ---------- 图片 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3.5vw, 38px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--fq-line);
}

.page-faq .faq-figure--lead img {
  aspect-ratio: 1000 / 620;
}

.page-faq .faq-figure--wide {
  margin-top: clamp(30px, 4vw, 46px);
  max-width: 620px;
  margin-left: auto;
  margin-right: 0;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-faq .figure__caption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 十二节教程 ---------- */

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

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

.page-faq .lesson > summary {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: baseline;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .lesson > summary:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-faq .lesson__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--rust);
}

.page-faq .lesson__main {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-faq .lesson__title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  transition: color .16s ease;
}

.page-faq .lesson__gain {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .lesson__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--slate);
  border: 1px solid var(--fq-line);
  padding: 3px 8px;
  white-space: nowrap;
  align-self: start;
}

.page-faq .lesson > summary:hover .lesson__title {
  color: var(--cyan-deep);
}

.page-faq .lesson[open] .lesson__no {
  color: var(--cyan-deep);
}

.page-faq .lesson[open] > summary {
  padding-bottom: 10px;
}

.page-faq .lesson__body {
  padding: 0 0 20px 44px;
  max-width: 66ch;
}

.page-faq .lesson__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .lesson__body li {
  position: relative;
  padding: 0 0 9px 18px;
  font-size: 14px;
  line-height: 1.72;
}

.page-faq .lesson__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--rust);
}

@media (max-width: 560px) {
  .page-faq .lesson__body {
    padding-left: 0;
  }
  .page-faq .lesson > summary {
    grid-template-columns: 26px minmax(0, 1fr) auto;
    gap: 4px 8px;
  }
}

/* ---------- 桌台族群 ---------- */

.page-faq .family-grid {
  display: grid;
  gap: 18px;
}

.page-faq .family {
  border-top: 1px solid var(--fq-line);
  padding-top: 18px;
}

.page-faq .family__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--rust);
}

.page-faq .family h3 {
  margin: 6px 0 8px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.page-faq .family > p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .family__tips {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .family__tips li {
  position: relative;
  padding: 0 0 6px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .family__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 6px;
  height: 1px;
  background: var(--cyan-deep);
}

@media (min-width: 700px) {
  .page-faq .family-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 34px;
  }
}

@media (min-width: 1000px) {
  .page-faq .family-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0;
  }
  .page-faq .family {
    margin-bottom: 22px;
    padding-right: 30px;
  }
  .page-faq .family:nth-child(1) { grid-column: 1 / 7; }
  .page-faq .family:nth-child(2) { grid-column: 7 / 13; padding-left: 30px; padding-top: 46px; }
  .page-faq .family:nth-child(3) { grid-column: 1 / 6; padding-top: 26px; }
  .page-faq .family:nth-child(4) { grid-column: 6 / 13; padding-left: 30px; padding-top: 60px; }
}

/* ---------- 对牌路（深色） ---------- */

.page-faq .read-grid {
  display: grid;
  gap: 24px;
}

.page-faq .read {
  border-left: 2px solid var(--cyan);
  padding-left: 16px;
}

.page-faq .read__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .read h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .read p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--fq-dim);
}

@media (min-width: 860px) {
  .page-faq .read-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }
}

.page-faq .read-extra {
  display: grid;
  gap: 24px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--fq-line-dark);
}

.page-faq .read-extra__col h3 {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .read-extra__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .read-extra__col li {
  position: relative;
  padding: 0 0 10px 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fq-dim);
}

.page-faq .read-extra__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--magenta);
}

@media (min-width: 820px) {
  .page-faq .read-extra {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }
}

.page-faq .read-link {
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--fq-line-dark);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fq-dim);
}

.page-faq .read-link a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 挑桌台四步 ---------- */

.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  margin-left: 6px;
  padding: 0 0 22px 32px;
  border-left: 1px solid var(--fq-line);
}

.page-faq .step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ink);
  transition: background .18s ease, border-color .18s ease;
}

.page-faq .step:hover::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .step__no {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-faq .step h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}

.page-faq .step > p {
  margin: 0 0 8px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.72;
}

.page-faq .step__rule {
  padding: 8px 12px;
  border-left: 2px solid var(--gold);
  background: rgba(216, 166, 74, .09);
  font-size: 13px !important;
  line-height: 1.65 !important;
  color: var(--ink);
}

@media (min-width: 1000px) {
  .page-faq .steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 22px;
  }
  .page-faq .step {
    margin-left: 0;
    padding: 26px 0 0;
    border-left: 0;
    border-top: 1px solid var(--fq-line);
  }
  .page-faq .step:last-child {
    border-top-color: var(--fq-line);
  }
  .page-faq .step::before {
    left: 0;
    top: -5px;
  }
}

/* ---------- 换厅别 ---------- */

.page-faq .switch-grid {
  display: grid;
  gap: 20px;
}

.page-faq .switch {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}

.page-faq .switch:nth-child(2) {
  border-top-color: var(--cyan-deep);
}

.page-faq .switch:nth-child(3) {
  border-top-color: var(--magenta);
}

.page-faq .switch__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-faq .switch h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.32;
}

.page-faq .switch > p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.74;
}

.page-faq .switch__how {
  font-size: 13px !important;
  line-height: 1.68 !important;
  color: var(--slate);
  padding-left: 12px;
  border-left: 1px solid var(--fq-line);
}

@media (min-width: 880px) {
  .page-faq .switch-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }
  .page-faq .switch:nth-child(2) {
    margin-top: 26px;
  }
}

/* ---------- 问答 ---------- */

.page-faq .qa {
  max-width: 820px;
}

.page-faq .qa__item {
  border-bottom: 1px solid var(--fq-line);
}

.page-faq .qa__item:first-child {
  border-top: 1px solid var(--fq-line);
}

.page-faq .qa__q {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-faq .qa__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--rust);
}

.page-faq .qa__a {
  padding: 0 0 20px 44px;
  max-width: 64ch;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .qa__a a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 900px) {
  .page-faq .qa {
    padding-left: clamp(0px, 8vw, 140px);
  }
}

@media (max-width: 560px) {
  .page-faq .qa__a {
    padding-left: 32px;
  }
}

/* ---------- 账户与安全（深色） ---------- */

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

.page-faq .safety__item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-top: 1px solid var(--fq-line-dark);
}

.page-faq .safety__item:last-child {
  border-bottom: 1px solid var(--fq-line-dark);
}

.page-faq .safety__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .safety__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .safety__item a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 820px) {
  .page-faq .safety {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
  .page-faq .safety__item:nth-child(6) {
    border-bottom: 1px solid var(--fq-line-dark);
  }
}

/* ---------- 词典 ---------- */

.page-faq .glossary {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fq-line);
}

.page-faq .glossary__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--fq-line);
}

.page-faq .glossary__term {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .glossary__def {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

@media (min-width: 760px) {
  .page-faq .glossary__row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 14px 0;
  }
}

/* ---------- 结尾跳转 ---------- */

.page-faq .faq-sec--end {
  border-bottom: 0;
}

.page-faq .faq-end {
  display: grid;
  gap: 22px;
  align-items: center;
  padding: clamp(24px, 3.5vw, 38px) 0 0;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-end h2 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.8vw, 27px);
  font-weight: 700;
  line-height: 1.25;
}

.page-faq .faq-end p {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-end .btn {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
}

@media (min-width: 760px) {
  .page-faq .faq-end {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
  .page-faq .faq-end .btn {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .lesson__title,
  .page-faq .step::before {
    transition: none;
  }
}
<<<END>>>