.page-faq {
  --faq-gold-line: rgba(201, 162, 39, 0.28);
  --faq-soft-line: rgba(201, 162, 39, 0.18);
  background: var(--paper-50);
  color: var(--text-900);
  font-family: var(--font-body);
}

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

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background: var(--ink-900);
  color: var(--sand-100);
  padding: 26px 0 clamp(48px, 8vw, 84px);
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(26px, 5vw, 44px);
  font-size: 13px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(30px, 6vw, 56px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-50);
  margin: 0 0 20px;
  max-width: 12em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 32em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(243, 234, 218, 0.8);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-faq .faq-hero__note {
  background: var(--ink-700);
  border-left: 4px solid var(--amber-600);
  padding: 18px 20px 20px;
}

.page-faq .faq-hero__note-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-300);
}

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

.page-faq .faq-hero__note-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 234, 218, 0.88);
}

.page-faq .faq-hero__note-list .tag-mono {
  flex: 0 0 auto;
  color: var(--gold-500);
  padding-top: 2px;
}

.page-faq .faq-hero__note-foot {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(243, 234, 218, 0.6);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--faq-gold-line);
}

.page-faq .faq-hero__media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

/* ---------- 六步 ---------- */
.page-faq .faq-steps {
  background: var(--ink-900);
  color: var(--sand-100);
  padding: clamp(46px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .faq-steps__head {
  max-width: 42em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .faq-steps h2 {
  font-size: clamp(28px, 4.2vw, 44px);
  color: var(--paper-50);
  margin: 0 0 14px;
}

.page-faq .faq-steps__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 234, 218, 0.7);
}

.page-faq .faq-steps__list {
  position: relative;
  padding-left: 28px;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps__list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-500) 0%, rgba(201, 162, 39, 0.12) 100%);
}

.page-faq .step {
  position: relative;
  background: var(--ink-700);
  border: 1px solid var(--faq-soft-line);
  opacity: 0.8;
  scroll-margin-top: 130px;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 20px;
  width: 18px;
  height: 18px;
  box-sizing: border-box;
  background: var(--ink-900);
  border: 1px solid var(--gold-500);
}

.page-faq .step:hover,
.page-faq .step:focus-within,
.page-faq .step[open] {
  opacity: 1;
  border-color: var(--gold-line, var(--faq-gold-line));
}

.page-faq .step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step__head:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-faq .step__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-50);
}

.page-faq .step__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(243, 234, 218, 0.45);
}

.page-faq .step__body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 234, 218, 0.86);
}

.page-faq .step__body p {
  margin: 0 0 10px;
  max-width: 34em;
}

.page-faq .step__extra {
  border-left: 1px solid var(--gold-700);
  padding-left: 12px;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(243, 234, 218, 0.62);
}

.page-faq .step--key {
  opacity: 1;
  background: var(--sand-100);
  border-color: var(--sand-100);
  border-left: 4px solid var(--amber-600);
  color: var(--text-900);
}

.page-faq .step--key::before {
  background: var(--amber-600);
  border-color: var(--amber-600);
}

.page-faq .step--key .step__num {
  color: var(--amber-600);
  font-size: 13px;
}

.page-faq .step--key .step__title {
  font-size: 22px;
  color: var(--ink-900);
}

.page-faq .step--key .step__meta {
  color: var(--gold-700);
}

.page-faq .step--key .step__body {
  color: var(--text-900);
}

.page-faq .step--key .step__extra {
  color: var(--muted-600);
  border-left-color: var(--amber-600);
}

/* ---------- 换设备 ---------- */
.page-faq .faq-switch {
  background: var(--sand-100);
  color: var(--text-900);
  padding: clamp(46px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-switch__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-faq .faq-switch h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  margin: 0 0 14px;
}

.page-faq .faq-switch__intro {
  margin: 0 0 22px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: #3d3934;
}

.page-faq .switch-list {
  list-style: none;
  counter-reset: sw;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .switch-list li {
  position: relative;
  padding-left: 46px;
}

.page-faq .switch-list li::before {
  counter-increment: sw;
  content: "0" counter(sw);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-700);
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 3px;
}

.page-faq .switch-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .switch-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-600);
  max-width: 32em;
}

.page-faq .faq-switch__warn {
  margin: 0;
  padding: 14px 16px;
  background: var(--paper-50);
  border-left: 4px solid var(--steel-500);
  font-size: 14px;
  line-height: 1.8;
  color: #3d3934;
  max-width: 36em;
}

.page-faq .faq-switch .media {
  margin: 0;
  border: 1px solid var(--line-300);
  background: var(--paper-50);
}

.page-faq .faq-switch .media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ---------- 入口变更 ---------- */
.page-faq .faq-entry {
  background: var(--paper-50);
  padding: clamp(46px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-entry__head {
  max-width: 40em;
}

.page-faq .faq-entry h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  margin: 0 0 12px;
}

.page-faq .faq-entry__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-600);
}

.page-faq .qa-list {
  margin-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line-300);
}

.page-faq .qa {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .qa h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink-900);
  padding-left: 14px;
  border-left: 2px solid var(--gold-500);
}

.page-faq .qa p {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.85;
  color: #3d3934;
}

/* ---------- 提交材料 ---------- */
.page-faq .faq-submit {
  background: var(--ink-900);
  color: var(--sand-100);
  padding: clamp(46px, 7vw, 84px) 0;
  scroll-margin-top: 120px;
}

.page-faq .faq-submit__head {
  max-width: 40em;
}

.page-faq .faq-submit h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  color: var(--paper-50);
  margin: 0 0 12px;
}

.page-faq .faq-submit__intro {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 234, 218, 0.7);
}

.page-faq .submit-list {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-soft-line);
  border: 1px solid var(--faq-gold-line);
}

.page-faq .submit-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  background: var(--ink-700);
}

.page-faq .submit-list__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
  padding-top: 3px;
}

.page-faq .submit-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-50);
}

.page-faq .submit-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(243, 234, 218, 0.66);
}

.page-faq .submit-contact {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: 24px;
  border-top: 1px solid var(--faq-gold-line);
  display: grid;
  gap: 18px;
}

.page-faq .submit-contact__list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .submit-contact__list > div {
  display: grid;
  gap: 4px;
}

.page-faq .submit-contact__list dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-faq .submit-contact__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-50);
  word-break: break-word;
}

.page-faq .submit-contact__link {
  margin: 0;
  font-size: 14px;
}

.page-faq .submit-contact__link a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-700);
  padding-bottom: 2px;
}

.page-faq .submit-contact__link a:hover,
.page-faq .submit-contact__link a:focus-visible {
  color: var(--paper-50);
  border-bottom-color: var(--gold-300);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  background: var(--paper-50);
  padding: clamp(46px, 7vw, 84px) 0;
}

.page-faq .faq-index__head {
  max-width: 40em;
}

.page-faq .faq-index h2 {
  font-size: clamp(26px, 3.8vw, 40px);
  margin: 0 0 12px;
}

.page-faq .faq-index__intro {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-600);
}

.page-faq .faq-index__grid {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  gap: 18px;
}

.page-faq .index-col {
  border: 1px solid var(--line-300);
  border-top: 4px solid var(--line-300);
  background: var(--sand-100);
}

.page-faq .index-col--login {
  border-top-color: var(--gold-700);
}

.page-faq .index-col--compat {
  border-top-color: var(--steel-500);
}

.page-faq .index-col--entry {
  border-top-color: var(--amber-600);
}

.page-faq .index-col__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--ink-900);
  color: var(--paper-50);
}

.page-faq .index-col__count {
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--gold-500);
  line-height: 1;
}

.page-faq .index-col__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-50);
}

.page-faq .index-col__task {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: rgba(243, 234, 218, 0.5);
}

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

.page-faq .index-list li {
  display: grid;
  gap: 3px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .index-list li:last-child {
  border-bottom: 0;
}

.page-faq .index-list__name {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-900);
}

.page-faq .index-list__meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted-600);
}

.page-faq .faq-index__foot {
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-300);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted-600);
  max-width: 46em;
}

.page-faq .faq-index__foot a {
  color: var(--gold-700);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: 1px;
}

.page-faq .faq-index__foot a:hover,
.page-faq .faq-index__foot a:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

@media (min-width: 760px) {
  .page-faq .qa {
    grid-template-columns: minmax(0, 0.45fr) minmax(0, 0.55fr);
    gap: 28px;
    align-items: start;
    padding: 24px 0;
  }

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

  .page-faq .submit-list li:last-child {
    grid-column: 1 / -1;
  }

  .page-faq .submit-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-faq .submit-contact__list {
    grid-template-columns: repeat(3, minmax(0, auto));
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-faq .faq-switch__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

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

.page-faq {
  --gold-line: currentColor;
}