/* ===== 使用指南 · 常见问题页 ===== */
.page-faq {
  --faq-shell: min(1240px, 100% - 2rem);
  --faq-rail: 15.5rem;
  --faq-line: rgba(243, 239, 230, .13);
  --faq-line-strong: rgba(243, 239, 230, .26);
  --faq-body-c: rgba(243, 239, 230, .76);
  position: relative;
  padding-block: 6.5rem 4.5rem;
  background:
    radial-gradient(115% 55% at 88% -8%, rgba(63, 224, 198, .09), transparent 62%),
    radial-gradient(80% 45% at 3% -4%, rgba(255, 106, 69, .07), transparent 58%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  width: var(--faq-shell);
  margin-inline: auto;
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-kicker__dot {
  width: 6px;
  height: 6px;
  background: var(--ember);
  flex: 0 0 auto;
}

.page-faq .faq-title {
  margin: 1rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
}

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

.page-faq .faq-lede {
  max-width: 44rem;
  margin: 1.25rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(243, 239, 230, .8);
}

.page-faq .faq-quick {
  align-self: end;
  padding: 1.2rem 1.25rem 1rem;
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--ember);
  background: var(--glass-slate);
}

.page-faq .faq-quick__title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--mist);
}

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

.page-faq .faq-quick a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .62rem 0;
  border-bottom: 1px solid var(--faq-line);
  color: var(--paper);
  font-size: .95rem;
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-quick li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-quick a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  color: var(--cyan);
  padding-left: .3rem;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  width: var(--faq-shell);
  margin: clamp(2.5rem, 6vw, 4rem) auto 0;
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

/* 索引：移动端横向胶囊 */
.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  background: var(--slate-deep);
}

.page-faq .faq-index__head {
  display: none;
}

.page-faq .faq-index__list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: .65rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .85rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--cap);
  color: var(--paper);
  font-size: .85rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 答案区 ---------- */
.page-faq .faq-flow {
  display: grid;
  gap: clamp(2.25rem, 6vw, 4rem);
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 7rem;
  border-top: 1px solid var(--faq-line);
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  margin-bottom: .9rem;
}

.page-faq .faq-block__num {
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-faq .faq-block__intro {
  max-width: 44rem;
  margin: 0 0 1.4rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--faq-body-c);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 1.75rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  background: var(--slate-deep);
}

.page-faq .faq-figure figcaption {
  margin-top: .7rem;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-figure--tall {
  max-width: 24rem;
}

/* 三步 */
.page-faq .steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .step {
  padding: 1.2rem 1.2rem 1.35rem;
  background: var(--slate-deep);
}

.page-faq .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .step__title {
  margin: .6rem 0 .35rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .step__text {
  margin: 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--faq-body-c);
}

/* 检索技巧 */
.page-faq .tip-list {
  margin: 0 0 1.5rem;
}

.page-faq .tip-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .example-list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .example {
  padding: .95rem 1.05rem;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--moss);
  background: var(--slate);
}

.page-faq .example__goal {
  margin: 0 0 .5rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .example__path {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--cyan);
}

/* 问答 */
.page-faq .qa-list {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .qa {
  padding: 1.05rem 1.15rem 1.15rem;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--slate);
  background: var(--glass-slate);
  transition: border-left-color .24s var(--ease);
}

.page-faq .qa:hover {
  border-left-color: var(--cyan);
}

.page-faq .qa__q {
  margin: 0 0 .45rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .qa__q::before {
  content: "Q";
  margin-right: .55rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--ember);
}

.page-faq .qa__a {
  margin: 0;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--faq-body-c);
}

.page-faq .qa__a a,
.page-faq .faq-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 198, .35);
}

.page-faq .qa__a a:hover,
.page-faq .faq-note a:hover {
  border-bottom-color: var(--cyan);
}

/* 场馆字段 */
.page-faq .field-list {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .field {
  padding: .9rem 1rem 1rem;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--sand);
  background: rgba(24, 34, 45, .62);
}

.page-faq .field__name {
  display: block;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--sand);
}

.page-faq .field__desc {
  margin: .4rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--faq-body-c);
}

.page-faq .faq-note {
  margin: 1.35rem 0 0;
  max-width: 46rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--faq-body-c);
}

/* 更新节奏 */
.page-faq .cadence {
  display: grid;
  gap: .5rem;
  margin-bottom: 1.6rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--ember);
  background: var(--slate-deep);
}

.page-faq .cadence__days {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 6vw, 2.1rem);
  line-height: 1.1;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .cadence__note {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--faq-body-c);
}

.page-faq .log {
  display: grid;
  gap: 1.15rem;
  margin: 0;
  padding: 0 0 0 1.15rem;
  list-style: none;
  border-left: 1px solid var(--faq-line-strong);
}

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

.page-faq .log__item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: .45rem;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-faq .log__label {
  margin: 0;
  font-size: .98rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .log__text {
  margin: .32rem 0 0;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--faq-body-c);
}

/* 还有问题 */
.page-faq .ask-card {
  display: grid;
  gap: 1.25rem;
  align-items: start;
  padding: 1.35rem 1.3rem 1.4rem;
  border: 1px solid var(--faq-line);
  border-left: 2px solid var(--clay);
  background: var(--glass-slate);
}

.page-faq .ask-card__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--faq-body-c);
}

.page-faq .ask-card .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .ask-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding-block: 7.5rem 5.5rem;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 6.5rem;
    border: 0;
    border-left: 1px solid var(--faq-line-strong);
    background: transparent;
  }

  .page-faq .faq-index__head {
    display: block;
    margin: 0 0 .85rem 1rem;
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .2em;
    color: var(--mist);
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 0;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__list li {
    flex: none;
  }

  .page-faq .faq-index__list a {
    position: relative;
    display: flex;
    gap: .6rem;
    padding: .7rem 0 .7rem 1rem;
    border: 0;
    border-radius: 0;
    font-size: .92rem;
    line-height: 1.5;
    white-space: normal;
    color: rgba(243, 239, 230, .7);
  }

  .page-faq .faq-index__list a::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 2px;
    height: 0;
    background: var(--cyan);
    transform: translateY(-50%);
    transition: height .24s var(--ease);
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    color: var(--paper);
  }

  .page-faq .faq-index__list a:hover::before,
  .page-faq .faq-index__list a:focus-visible::before {
    height: 60%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick a,
  .page-faq .faq-index__list a,
  .page-faq .faq-index__list a::before,
  .page-faq .qa {
    transition: none;
  }
}