.page-faq {
  --faq-gap: 26px;
  --faq-radius: var(--radius-l);
}

.page-faq .ly-crumb {
  padding-top: 22px;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding: 22px 0 44px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    padding: 36px 0 72px;
    align-items: end;
  }
}

.page-faq .faq-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.5vw, 56px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-hero .ly-lead {
  max-width: 33em;
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-index {
  margin: 0;
  padding: 16px 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(165deg, var(--ink-800) 0%, var(--ink-700) 100%);
  box-shadow: 0 20px 44px -34px rgba(0, 0, 0, .95);
}

.page-faq .faq-index__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-index__row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .faq-index__k {
  margin: 0;
  font-size: 15px;
  color: var(--text-dim);
}

.page-faq .faq-index__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-faq .faq-index__u {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dim);
}

/* ============ 章节骨架 ============ */
.page-faq .faq-block {
  padding: 44px 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block:last-of-type {
  padding-bottom: 56px;
}

.page-faq .ly-sechead {
  margin-bottom: 28px;
}

/* ============ 三步上手 ============ */
.page-faq .faq-steps-wrap {
  display: grid;
  gap: 28px;
}

@media (min-width: 960px) {
  .page-faq .faq-steps-wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }
}

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

.page-faq .faq-steps__item {
  position: relative;
  counter-increment: faqstep;
  padding-left: 54px;
}

.page-faq .faq-steps__item + .faq-steps__item {
  margin-top: 14px;
}

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 12px;
  bottom: -14px;
  width: 1px;
  background: var(--line);
}

.page-faq .faq-steps__item:last-child::before {
  bottom: auto;
  height: 42px;
  background: linear-gradient(180deg, var(--cyan), rgba(31, 227, 192, 0));
}

.page-faq .faq-steps__item::after {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 6px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-900);
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(31, 227, 192, .12);
  transition: box-shadow var(--ease);
}

.page-faq .faq-steps__item:hover::after {
  box-shadow: 0 0 0 8px rgba(31, 227, 192, .18);
}

/* 折叠面板 */
.page-faq .faq-fold {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-fold[open] {
  border-color: rgba(31, 227, 192, .5);
  background: var(--ink-700);
}

.page-faq .faq-fold > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

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

.page-faq .faq-fold > summary::marker {
  content: "";
}

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

.page-faq .faq-fold__chev {
  flex: none;
  width: 9px;
  height: 9px;
  margin-left: auto;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--ease);
}

.page-faq .faq-fold[open] .faq-fold__chev {
  transform: rotate(225deg);
}

.page-faq .faq-fold .ly-fold__body {
  padding: 0 18px 18px;
}

.page-faq .faq-fold .ly-fold__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-done {
  margin: 0 !important;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  color: var(--text);
  font-size: 15px;
}

/* ============ 三组文档 ============ */
.page-faq .faq-cats {
  display: grid;
  gap: 18px;
}

@media (min-width: 720px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-cat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-cat:hover {
  border-color: rgba(31, 227, 192, .42);
  background: var(--ink-700);
}

.page-faq .faq-cat__bar {
  display: block;
  width: 52px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
}

.page-faq .faq-cat--amber .faq-cat__bar {
  background: var(--amber);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-faq .faq-cat__desc {
  margin: 0 0 4px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-faq .faq-acc > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

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

.page-faq .faq-acc > summary::marker {
  content: "";
}

.page-faq .faq-acc[open] > summary {
  color: var(--cyan-bright);
}

.page-faq .faq-acc__body {
  padding: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ============ 检索与折叠阅读 ============ */
.page-faq .faq-search__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 960px) {
  .page-faq .faq-search__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 40px;
    align-items: start;
  }
}

.page-faq .faq-methods {
  display: grid;
  gap: 12px;
}

.page-faq .faq-method {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-method:hover {
  border-color: var(--cyan);
  background: var(--ink-700);
}

@media (min-width: 560px) {
  .page-faq .faq-method {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }
}

.page-faq .faq-method__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber);
  padding-top: 3px;
}

.page-faq .faq-method__d {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-readnote {
  margin-top: 4px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-m);
  background: linear-gradient(120deg, rgba(255, 176, 32, .08), rgba(11, 31, 25, 0) 70%);
}

.page-faq .faq-readnote__t {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text);
}

.page-faq .faq-readnote p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ============ 图片容器 ============ */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ============ 更新与反馈 ============ */
.page-faq .faq-update__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 900px) {
  .page-faq .faq-update__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }
}

.page-faq .faq-update__main p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-dim);
}

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

.page-faq .faq-update__main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 227, 192, .4);
  transition: color var(--ease), border-color var(--ease);
}

.page-faq .faq-update__main a:hover {
  color: var(--cyan-bright);
  border-bottom-color: var(--cyan-bright);
}

.page-faq .faq-facts {
  display: grid;
  gap: 12px;
}

.page-faq .faq-fact {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-800);
  transition: border-color var(--ease);
}

.page-faq .faq-fact:hover {
  border-color: rgba(255, 176, 32, .5);
}

.page-faq .faq-fact__v {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-faq .faq-fact__k {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ============ 降低动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-fold__chev,
  .page-faq .faq-steps__item::after,
  .page-faq .faq-cat,
  .page-faq .faq-method,
  .page-faq .faq-fact {
    transition: none;
  }
}