.page-faq {
  --faq-rule: rgba(20, 20, 15, 0.16);
  background: var(--paper);
  color: var(--black);
  padding-block: clamp(20px, 4vw, 40px) clamp(56px, 8vw, 96px);
}

.page-faq a {
  color: inherit;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.page-faq .crumb a {
  color: var(--lime-deep);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 1px;
}

.page-faq .crumb a:hover,
.page-faq .crumb a:focus-visible {
  border-bottom-color: var(--lime-deep);
}

.page-faq .crumb__sep {
  color: var(--mist);
}

.page-faq .crumb__now {
  color: var(--black);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-bottom: var(--bw) solid var(--black);
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero__body {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__label {
  color: var(--lime-deep);
  margin: 0 0 12px;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(32px, 6.2vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2vw, 24px);
  line-height: 1.65;
  color: var(--ink-3);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border: var(--bw) solid var(--black);
  background: transparent;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--black);
  transition: background 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-faq .chip:hover,
.page-faq .chip:focus-visible {
  background: var(--lime);
  box-shadow: 4px 4px 0 var(--ink-2);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 16px;
  border-top: var(--bw) solid var(--black);
}

.page-faq .faq-stats__cell {
  display: grid;
  gap: 4px;
}

.page-faq .faq-stats__k {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime-deep);
}

.page-faq .faq-stats__v {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stats__v .h-num {
  font-family: var(--font-num);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--black);
}

.page-faq .faq-stats__n {
  font-size: 13px;
  color: var(--ink-3);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-sec {
  padding-block: clamp(36px, 5vw, 64px);
  border-bottom: var(--bw) solid var(--faq-rule);
}

.page-faq .sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .sec-head .label {
  margin: 0;
  color: var(--lime-deep);
}

.page-faq .sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  max-width: 24ch;
}

.page-faq .sec-head p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-3);
}

.page-faq .mini-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .rel {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-faq .rel a {
  color: var(--lime-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--lime-deep);
  padding-bottom: 1px;
}

.page-faq .rel a:hover,
.page-faq .rel a:focus-visible {
  background: var(--lime);
}

/* ---------- 步骤卡 ---------- */
.page-faq .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  background: var(--paper);
  border: var(--bw) solid var(--black);
  box-shadow: var(--shadow-hard);
}

.page-faq .step__num {
  align-self: flex-start;
  padding: 4px 10px;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.page-faq .step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
}

.page-faq .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-3);
}

.page-faq .step__pit {
  margin: auto 0 0;
  padding-left: 10px;
  border-left: 3px solid var(--amber-deep);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-3);
}

.page-faq .step__pit span {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--bw) solid var(--black);
  box-shadow: 6px 6px 0 var(--ink-2);
  background: var(--paper-2);
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
  max-width: 60ch;
}

/* ---------- 推送链路 ---------- */
.page-faq .chain {
  margin-bottom: clamp(22px, 3vw, 32px);
  padding: 16px 14px 14px;
  background: var(--ink);
  border: var(--bw) solid var(--black);
  box-shadow: 6px 6px 0 var(--lime-deep);
}

.page-faq .chain__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .chain__cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .acc-list {
  border-top: var(--bw) solid var(--black);
}

.page-faq .acc {
  border-bottom: var(--bw) solid var(--black);
}

.page-faq .acc__head {
  margin: 0;
}

.page-faq .acc__btn {
  display: grid;
  grid-template-columns: 30px 1fr 16px;
  align-items: start;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  padding: 15px 4px;
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 140ms var(--ease);
}

.page-faq .acc__btn:hover {
  background: var(--paper-2);
}

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

.page-faq .acc__num {
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime-deep);
}

.page-faq .acc__label {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .acc__icon {
  justify-self: end;
  width: 11px;
  height: 11px;
  margin-top: 6px;
  border-right: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
  transform: rotate(45deg);
  transition: transform 160ms var(--ease);
}

.page-faq .acc__btn[aria-expanded="true"] .acc__icon {
  transform: rotate(225deg);
}

.page-faq .acc__btn[aria-expanded="true"] {
  background: var(--paper-2);
}

.page-faq .acc__panel {
  padding: 4px 6px 18px 44px;
  background: var(--paper);
}

.page-faq .acc__panel p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-3);
}

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

/* ---------- 平板规格 ---------- */
.page-faq .specs {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--bw) solid var(--black);
}

.page-faq .specs__row {
  display: grid;
  gap: 6px;
  padding: 14px 2px;
  border-bottom: var(--bw) solid var(--faq-rule);
}

.page-faq .specs__k {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime-deep);
}

.page-faq .specs__v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--black);
}

/* ---------- 资料库 ---------- */
.page-faq .library-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .ways {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .ways li {
  padding-left: 14px;
  border-left: 3px solid var(--paper-2);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-3);
}

.page-faq .ways strong {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
}

.page-faq .ways__note {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--paper-2);
  border-left: 3px solid var(--amber-deep);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-3);
}

.page-faq .formats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .format {
  padding: 18px 16px;
  border: var(--bw) solid var(--black);
}

.page-faq .format--csv {
  background: var(--paper-2);
  box-shadow: 6px 6px 0 var(--ink-2);
}

.page-faq .format--pdf {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 6px 6px 0 var(--amber);
}

.page-faq .format__tag {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime-deep);
}

.page-faq .format--pdf .format__tag {
  color: var(--amber);
}

.page-faq .format__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-faq .format__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
}

.page-faq .format--pdf .format__text {
  color: var(--mist);
}

.page-faq .export-notes {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: var(--bw) solid var(--black);
}

.page-faq .notes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .notes li {
  display: grid;
  gap: 2px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-3);
}

.page-faq .notes strong {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

/* ---------- 深色账号区 ---------- */
.page-faq .faq-sec--ink {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 0;
}

.page-faq .faq-sec--ink .sec-head .label {
  color: var(--lime);
}

.page-faq .faq-sec--ink .sec-head h2 {
  color: var(--paper);
}

.page-faq .faq-sec--ink .sec-head p {
  color: var(--mist);
}

.page-faq .defs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: var(--bw) solid var(--hr);
}

.page-faq .defs__item {
  padding: 16px 0;
  border-bottom: var(--bw) solid var(--hr);
}

.page-faq .defs__item dt {
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.01em;
}

.page-faq .defs__item dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .rel--onDark {
  color: var(--mist);
}

.page-faq .rel--onDark a {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .rel--onDark a:hover,
.page-faq .rel--onDark a:focus-visible {
  background: rgba(198, 255, 61, 0.16);
}

/* ---------- 客服章节 ---------- */
.page-faq .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-figure--support {
  margin: 0;
}

.page-faq .support-body .label {
  margin: 0 0 10px;
  color: var(--lime-deep);
}

.page-faq .support-body h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-faq .support-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-3);
  max-width: 58ch;
}

.page-faq .checklist {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .checklist li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--black);
}

.page-faq .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  background: var(--lime);
  border: var(--bw) solid var(--black);
}

.page-faq .support-hours {
  margin: 0 0 16px;
  padding: 12px 14px;
  background: var(--paper-2);
  border-left: 3px solid var(--amber-deep);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-3);
}

.page-faq .contact-lines {
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: var(--bw) solid var(--black);
  padding-top: 14px;
}

.page-faq .contact-lines li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
}

.page-faq .contact-lines__k {
  min-width: 68px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime-deep);
}

.page-faq .contact-lines strong {
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--black);
  word-break: break-all;
}

.page-faq .support-tip {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--lime);
  border: var(--bw) solid var(--black);
  box-shadow: 6px 6px 0 var(--lime-deep);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: transform 140ms var(--ease), box-shadow 140ms var(--ease);
}

.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--lime-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-faq .faq-stats__cell + .faq-stats__cell {
    padding-left: 18px;
    border-left: var(--bw) solid var(--faq-rule);
  }

  .page-faq .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .acc__panel {
    padding-left: 44px;
  }
}

@media (min-width: 760px) {
  .page-faq .specs__row {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-faq .defs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .defs__item {
    padding: 18px 22px 18px 0;
  }

  .page-faq .defs__item:nth-child(odd) {
    padding-right: 26px;
    border-right: var(--bw) solid var(--hr);
  }

  .page-faq .defs__item:nth-child(even) {
    padding-left: 26px;
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .faq-figure--support {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-faq .acc__label {
    font-size: 17px;
  }
}

@media (min-width: 1000px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .library-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 48px);
    align-items: start;
  }

  .page-faq .export-notes .notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-hero__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    max-width: 900px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .chip,
  .page-faq .acc__btn,
  .page-faq .acc__icon,
  .page-faq .faq-cta {
    transition: none;
  }

  .page-faq .faq-cta:hover,
  .page-faq .faq-cta:focus-visible {
    transform: none;
  }
}
<<<END>>>