/* ===== 使用支持 / page-faq ===== */
.page-faq {
  --faq-pad: clamp(2.75rem, 7vw, 5.5rem);
  --faq-gap: clamp(1.25rem, 4vw, 2.25rem);
  --faq-line: var(--line);
  --faq-muted: var(--grey);
}

.page-faq .section {
  padding-block: var(--faq-pad);
}

.page-faq .section--paper {
  --faq-line: rgba(7, 9, 12, 0.18);
  --faq-muted: #57626e;
  color: var(--ink);
}

.page-faq .wrap {
  position: relative;
}

.page-faq :is(a, button, summary):focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ---- 首屏 ---- */
.page-faq .faq-hero {
  padding-top: clamp(1.25rem, 4vw, 2rem);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__text {
  order: 1;
}

.page-faq .faq-hero__figure {
  order: 2;
  margin: 0;
}

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

.page-faq .media-caption {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--faq-muted);
}

.page-faq .faq-hero__eyebrow {
  margin-bottom: 0.9rem;
  color: var(--blue);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1.1rem;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 52ch;
  color: var(--grey);
}

.page-faq .faq-hero__status {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.55rem 0.9rem;
  border-left: 3px solid var(--lime);
  background: rgba(183, 255, 46, 0.06);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-faq .faq-hero__status b {
  color: var(--lime);
  font-weight: 700;
}

/* ---- 章节头 ---- */
.page-faq .faq-head {
  max-width: 64ch;
}

.page-faq .faq-head .anno {
  color: var(--blue);
}

.page-faq .faq-head h2 {
  margin: 0.6rem 0 1rem;
  color: var(--paper);
}

.page-faq .faq-head .lede {
  color: var(--faq-muted);
  max-width: 60ch;
}

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

/* ---- 轮次对照 ---- */
.page-faq .faq-round__bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.75rem, 5vw, 2.75rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-round__cell {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.1rem clamp(0.75rem, 2vw, 1.25rem) 1.35rem;
  background: var(--ink-2);
}

.page-faq .faq-round__no {
  font-family: var(--font-mono);
  font-size: clamp(1.65rem, 5vw, 2.35rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-faq .faq-round__label {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--grey);
}

.page-faq .faq-round__cell--now {
  background: var(--lime);
}

.page-faq .faq-round__cell--now .faq-round__no,
.page-faq .faq-round__cell--now .faq-round__label {
  color: var(--ink);
}

.page-faq .faq-notes {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-notes li {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-notes__no {
  font-size: 0.9rem;
  color: var(--blue);
  line-height: 1.75;
}

.page-faq .faq-notes p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--paper);
}

/* ---- 问答区 ---- */
.page-faq .faq-qa__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(1.75rem, 5vw, 2.75rem);
}

.page-faq .faq-index__title {
  margin: 0 0 0.75rem;
  color: var(--faq-muted);
}

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

.page-faq .faq-index a {
  position: relative;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.7rem 0.25rem;
  border-bottom: 1px solid var(--faq-line);
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.page-faq .faq-index a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--lime);
  transition: width 0.24s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--lime-dark);
}

.page-faq .faq-index a:hover::before,
.page-faq .faq-index a:focus-visible::before {
  width: 4px;
}

.page-faq .faq-index__no {
  font-size: 0.78rem;
  color: var(--faq-muted);
}

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

.page-faq .qa summary {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 1.1rem 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.24s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--faq-muted);
}

.page-faq .qa[open] summary::after {
  content: "－";
  color: var(--lime-dark);
}

.page-faq .qa summary:hover {
  color: var(--lime-dark);
}

.page-faq .qa__num {
  font-size: 0.85rem;
  color: var(--faq-muted);
  line-height: 1.6;
}

.page-faq .qa__q {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .qa__a {
  padding: 0 0 1.35rem 2.5rem;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: #3c444c;
}

/* ---- 更新节奏 ---- */
.page-faq .faq-timeline {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: clamp(1.75rem, 5vw, 2.5rem);
}

.page-faq .faq-timeline__edge {
  font-size: 0.78rem;
  color: var(--grey);
  white-space: nowrap;
}

.page-faq .faq-timeline__ticks {
  display: flex;
  flex: 1;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-timeline__ticks li {
  flex: 1;
  height: 8px;
  background: var(--line);
}

.page-faq .faq-timeline__ticks li:nth-child(4),
.page-faq .faq-timeline__ticks li:nth-child(7) {
  background: var(--lime);
}

.page-faq .faq-timeline__caption {
  margin: 0.6rem 0 0;
  color: var(--grey);
}

.page-faq .faq-sync__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.75rem, 5vw, 2.5rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-sync__card {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--ink-2);
}

.page-faq .faq-sync__card .anno {
  color: var(--blue);
  margin: 0 0 0.6rem;
}

.page-faq .faq-sync__card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-sync__card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--grey);
}

/* ---- 收藏夹 ---- */
.page-faq .faq-fav__layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(1.75rem, 5vw, 2.5rem);
}

.page-faq .faq-fav__text p {
  margin: 0 0 1.5rem;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--grey);
}

.page-faq .faq-fav__btn {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

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

.page-faq .faq-fav__rules li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-fav__no {
  font-size: 0.85rem;
  color: var(--lime);
  line-height: 1.6;
}

.page-faq .faq-fav__rules h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-fav__rules p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--grey);
}

/* ---- 手机浏览 ---- */
.page-faq .faq-steps {
  margin: clamp(1.75rem, 5vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-steps .t-num {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--lime);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--paper);
}

/* ---- 反馈 ---- */
.page-faq .faq-help__layout {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-help__text h2 {
  margin: 0.6rem 0 1rem;
  color: var(--paper);
}

.page-faq .faq-help__text .lede {
  max-width: 52ch;
  color: var(--grey);
}

.page-faq .faq-help__text .anno {
  color: var(--orange);
}

.page-faq .faq-help__list {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-help__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-help__row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-faq .faq-help__row dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-help__note {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--grey);
}

.page-faq .faq-help__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
}

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

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

/* ---- 下一步 ---- */
.page-faq .faq-next__title {
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-next__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-next__row a {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: 0.92rem;
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-next__row a:hover,
.page-faq .faq-next__row a:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

/* ---- 断点 ---- */
@media (min-width: 640px) {
  .page-faq .faq-help__row {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-round__bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

  .page-faq .faq-hero__figure {
    order: 1;
  }

  .page-faq .faq-hero__text {
    order: 2;
  }

  .page-faq .faq-help__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-faq .faq-fav__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-qa__layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.75rem;
  }

  .page-faq .qa__a {
    padding-left: 2.9rem;
    max-width: 66ch;
  }
}