.page-faq {
  color: var(--ivory);
  min-width: 0;
}

.page-faq .breadcrumbs {
  padding-top: clamp(14px, 2vw, 22px);
}

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  color: var(--mist);
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-gold);
}

.page-faq .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  transition: color .16s ease;
}

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  color: var(--amber-soft);
}

.page-faq .breadcrumbs__link[aria-current="page"] {
  color: var(--ivory);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 2.6vw, 32px);
  padding-bottom: clamp(30px, 4.6vw, 58px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  min-width: 0;
}

.page-faq .faq-hero__lead {
  min-width: 0;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--amber);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

/* 版本状态面板 */
.page-faq .faq-board {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(31, 182, 193, .20), transparent 60%),
    radial-gradient(120% 90% at 8% 96%, rgba(245, 166, 35, .16), transparent 62%),
    var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-board::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232, 236, 245, .09) 1px, transparent 1px);
  background-size: 10px 10px;
  pointer-events: none;
}

.page-faq .faq-board__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
}

.page-faq .faq-board__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(78, 227, 154, .7);
  animation: faqBreathe 3s ease-in-out infinite;
}

@keyframes faqBreathe {
  0%, 100% { opacity: .7; }
  50% { opacity: 1; }
}

.page-faq .faq-board__headtext {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-board__row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-faq .faq-board__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

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

.page-faq .faq-board__val {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--ivory);
}

.page-faq .faq-board__val--amber { color: var(--amber-soft); }
.page-faq .faq-board__val--peacock { color: var(--peacock); }

/* ---------- 五格分类导航 ---------- */
.page-faq .faq-cats {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  min-width: 0;
}

.page-faq .faq-cat {
  background: var(--ink-2);
  min-width: 0;
}

.page-faq .faq-cat--account { --cat: var(--peacock); }
.page-faq .faq-cat--room { --cat: var(--amber); }
.page-faq .faq-cat--mobile { --cat: var(--magenta); }
.page-faq .faq-cat--version { --cat: var(--mint); }
.page-faq .faq-cat--practice { --cat: var(--amber-soft); }

.page-faq .faq-cat__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  min-height: 126px;
  padding: clamp(15px, 2.1vw, 24px);
  text-decoration: none;
  color: var(--ivory);
  border-top: 3px solid var(--cat, var(--line));
  transition: background-color .16s ease, color .16s ease;
}

.page-faq .faq-cat__no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--cat, var(--mist));
  transition: color .16s ease;
}

.page-faq .faq-cat__name {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.6vw, 21px);
  line-height: 1.32;
}

.page-faq .faq-cat__meta {
  margin-top: auto;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--mist);
  transition: color .16s ease;
}

.page-faq .faq-cat__link:hover,
.page-faq .faq-cat__link:focus-visible {
  background: var(--cat, var(--ivory));
  color: var(--ink);
}

.page-faq .faq-cat__link:hover .faq-cat__no,
.page-faq .faq-cat__link:focus-visible .faq-cat__no {
  color: rgba(7, 11, 24, .68);
}

.page-faq .faq-cat__link:hover .faq-cat__meta,
.page-faq .faq-cat__link:focus-visible .faq-cat__meta {
  color: rgba(7, 11, 24, .76);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  padding-top: clamp(26px, 3.6vw, 44px);
  padding-bottom: clamp(44px, 6vw, 84px);
  min-width: 0;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-aside {
  display: grid;
  gap: 18px;
  min-width: 0;
}

/* 搜索框 */
.page-faq .faq-search {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 16px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-search__input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 11px 12px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ivory);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  transition: background-color .18s ease, border-color .18s ease;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(154, 166, 196, .66);
}

.page-faq .faq-search__input:focus {
  background: var(--peacock-deep);
  border-color: var(--peacock);
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-search__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* 分组跳转 */
.page-faq .faq-jump__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

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

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

.page-faq .faq-jump__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 2px;
  font-size: 14px;
  color: var(--ivory);
  text-decoration: none;
  transition: background-color .16s ease, padding-left .16s ease, color .16s ease;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: rgba(232, 236, 245, .06);
  padding-left: 9px;
  color: var(--amber-soft);
}

.page-faq .faq-jump__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

/* ---------- 分组通用 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 100px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 62px);
  padding-top: clamp(30px, 4.4vw, 52px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.24;
  color: var(--ivory);
}

.page-faq .faq-group__lede {
  margin: 12px 0 0;
  max-width: 50ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-group__body {
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--peacock);
  background: rgba(31, 182, 193, .08);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 小屏要点：图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  min-width: 0;
}

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

.page-faq .faq-split__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-folds {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  min-width: 0;
}

.page-faq .faq-fold {
  background: var(--ink);
}

.page-faq .faq-fold__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color .16s ease;
}

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

.page-faq .faq-fold__summary:hover {
  background: rgba(232, 236, 245, .06);
}

.page-faq .faq-fold__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-faq .faq-fold__label {
  font-size: 16px;
  color: var(--ivory);
}

.page-faq .faq-fold__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--mist);
}

.page-faq .faq-fold[open] > .faq-fold__summary::after {
  content: "–";
  color: var(--amber);
}

.page-faq .faq-fold[open] > .faq-fold__summary .faq-fold__label {
  color: var(--amber-soft);
}

.page-faq .faq-fold__body {
  padding: 0 16px 16px;
}

.page-faq .faq-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 好友局步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  padding-left: 58px;
  padding-bottom: 22px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 46px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(to bottom, var(--line-gold), rgba(138, 90, 18, .12));
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__no {
  position: absolute;
  left: 0;
  top: 2px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--amber);
  border-radius: 50%;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
  z-index: 1;
  transition: background-color .16s ease, color .16s ease, border-color .16s ease;
}

.page-faq .faq-step:has(details[open]) .faq-step__no {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-faq .faq-fold--step {
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
}

.page-faq .faq-step__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
}

.page-faq .faq-step__title {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ivory);
}

.page-faq .faq-step__brief {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-fold[open] > .faq-step__summary .faq-step__title {
  color: var(--amber-soft);
}

.page-faq .faq-step__body {
  padding: 0 16px 16px;
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-room-media {
  margin: 22px 0 0;
}

.page-faq .faq-room-media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 问答行列表 ---------- */
.page-faq .faq-rows {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-row {
  padding: 18px 0 18px 12px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color .16s ease, background-color .16s ease;
}

.page-faq .faq-row:hover {
  border-left-color: var(--peacock);
  background: rgba(232, 236, 245, .04);
}

.page-faq .faq-row__q {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ivory);
}

.page-faq .faq-row__a {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-row__a .mono {
  color: var(--peacock);
  font-family: var(--font-mono);
}

/* ---------- 难度标签 ---------- */
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  padding: clamp(18px, 2.8vw, 30px);
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(31, 182, 193, .12), transparent 58%),
    var(--ink-2);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

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

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ivory);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-faq .faq-cat--account { grid-column: span 5; }
  .page-faq .faq-cat--room { grid-column: span 7; }
  .page-faq .faq-cat--mobile { grid-column: span 4; }
  .page-faq .faq-cat--version { grid-column: span 4; }
  .page-faq .faq-cat--practice { grid-column: span 4; }

  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 28px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 288px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, .72fr);
    align-items: end;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: start;
  }

  .page-faq .faq-main {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-aside {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
  }
}

/* ---------- 窄屏回退 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-cats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-cat__link {
    min-height: 0;
  }

  .page-faq .faq-step {
    padding-left: 50px;
  }

  .page-faq .faq-step__no {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .page-faq .faq-step::before {
    left: 16px;
    top: 40px;
  }

  .page-faq .faq-step__summary {
    padding: 12px 13px;
  }

  .page-faq .faq-step__body {
    padding: 0 13px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-board__dot {
    animation: none;
    opacity: 1;
  }

  .page-faq .faq-cat__link,
  .page-faq .faq-row,
  .page-faq .faq-jump__link,
  .page-faq .faq-step__no {
    transition: none;
  }
}