.page-faq {
  --faq-row-shade: rgba(154, 164, 178, .055);
  --faq-gold-soft: rgba(232, 163, 61, .08);
  --faq-gold-line: rgba(232, 163, 61, .42);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(26px, 5vw, 56px);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 26px);
}

.page-faq .faq-hero__title {
  margin: .3em 0 .5em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--sand);
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0 0 1em;
  font-size: 1.0625rem;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--cool);
}

.page-faq .faq-hero__meta {
  max-width: 34em;
  margin: 0;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--cool);
  padding-left: 14px;
  border-left: 2px solid var(--gold-deep);
}

.page-faq .faq-hero__media .media__img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 状态面板 ---------- */
.page-faq .faq-status {
  align-self: start;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--panel);
  border: 1px solid var(--struct);
  border-radius: var(--r-lg);
}

.page-faq .faq-status__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
}

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

.page-faq .faq-status__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--struct);
  font-size: .9375rem;
  color: var(--sand);
}

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

.page-faq .faq-status__val {
  font-size: .8125rem;
  color: var(--cool);
  white-space: nowrap;
}

.page-faq .faq-status__foot {
  margin: 12px 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 问答区 ---------- */
.page-faq .qa-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .qa-index__caption {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--cool);
}

.page-faq .qa-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .qa-index__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  text-decoration: none;
  font-size: .875rem;
  color: var(--cool);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .qa-index__num {
  font-size: .75rem;
  color: var(--gold);
}

.page-faq .qa-index__item:hover,
.page-faq .qa-index__item:focus-visible {
  color: var(--gold);
  border-color: var(--gold-deep);
  background: var(--faq-gold-soft);
}

.page-faq .qa-group {
  scroll-margin-top: calc(var(--topbar-h) + 18px);
}

.page-faq .qa-group + .qa-group {
  margin-top: clamp(28px, 4vw, 46px);
}

.page-faq .qa-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--struct);
}

.page-faq .qa-group__num {
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--r-sm);
  background: var(--gold);
  color: var(--ink);
  font-size: .8125rem;
  line-height: 1.45;
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  letter-spacing: -.01em;
  color: var(--sand);
}

.page-faq .qa-group__note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  max-width: 34em;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 折叠条目 ---------- */
.page-faq .fold {
  border: 1px solid var(--struct);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .fold + .fold {
  margin-top: 8px;
}

.page-faq .fold[open] {
  border-color: var(--faq-gold-line);
  background: var(--panel-2);
}

.page-faq .fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: .9688rem;
  line-height: 1.55;
  color: var(--sand);
}

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

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

.page-faq .fold > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--gold);
  transition: transform 160ms var(--ease);
}

.page-faq .fold[open] > summary::after {
  content: "–";
}

.page-faq .fold > summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-faq .fold__body {
  padding: 0 16px 16px;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--cool);
}

.page-faq .fold__body p {
  max-width: 34em;
  margin: 0 0 .7em;
}

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

.page-faq .fold__body strong {
  color: var(--sand);
  font-weight: 600;
}

.page-faq .fold__body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 159, 216, .4);
}

.page-faq .fold__body a:hover,
.page-faq .fold__body a:focus-visible {
  border-bottom-color: var(--blue);
}

.page-faq .fold__key {
  font-family: var(--font-mono);
  color: var(--gold);
  font-weight: 600;
}

/* ---------- 排查步骤 ---------- */
.page-faq .step-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  padding: 18px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--struct);
  border-radius: var(--r-lg);
}

.page-faq .step__num {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  border: 1px solid var(--gold-deep);
  border-radius: var(--r-sm);
  background: var(--faq-gold-soft);
  color: var(--gold);
  font-size: .8125rem;
  letter-spacing: .06em;
  line-height: 1.5;
}

.page-faq .step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -.005em;
  color: var(--sand);
}

.page-faq .step__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 周期清单 ---------- */
.page-faq .freq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .freq-panel {
  padding: clamp(14px, 2.2vw, 20px);
  background: var(--panel-2);
  border: 1px solid var(--struct);
  border-radius: var(--r-lg);
}

.page-faq .freq-sort {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .freq-sort__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .freq-sort__input:checked + .freq-sort__label {
  border-color: var(--gold);
  color: var(--sand);
  background: rgba(232, 163, 61, .12);
}

.page-faq .freq-sort__input:focus-visible + .freq-sort__label {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .freq-list {
  display: flex;
  flex-direction: column;
}

.page-faq .freq-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 14px;
  padding: 12px 10px;
  border-radius: var(--r-md);
}

.page-faq .freq-row--shade {
  background: var(--faq-row-shade);
}

.page-faq .freq-row--odds { order: 1; }
.page-faq .freq-row--transfer { order: 2; }
.page-faq .freq-row--review { order: 3; }
.page-faq .freq-row--coach { order: 4; }
.page-faq .freq-row--numbers { order: 5; }

.page-faq .freq-panel:has(#freqsort-long:checked) .freq-row--coach { order: 1; }
.page-faq .freq-panel:has(#freqsort-long:checked) .freq-row--numbers { order: 2; }
.page-faq .freq-panel:has(#freqsort-long:checked) .freq-row--review { order: 3; }
.page-faq .freq-panel:has(#freqsort-long:checked) .freq-row--transfer { order: 4; }
.page-faq .freq-panel:has(#freqsort-long:checked) .freq-row--odds { order: 5; }

.page-faq .freq-row__name {
  font-weight: 600;
  font-size: .9375rem;
  color: var(--sand);
}

.page-faq .freq-row__cycle {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--gold);
  text-align: right;
  white-space: nowrap;
}

.page-faq .freq-row__scope {
  grid-column: 1 / -1;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--cool);
}

.page-faq .freq-figure .media__img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 纠错提交 ---------- */
.page-faq .fix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .fix-card {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-faq .fix-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -.01em;
  color: var(--sand);
}

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

.page-faq .fix-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--cool);
}

.page-faq .fix-list li:last-child {
  margin-bottom: 0;
}

.page-faq .fix-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-faq .fix-side {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--panel);
  border: 1px solid var(--struct);
  border-radius: var(--r-lg);
}

.page-faq .fix-side__lead {
  max-width: 34em;
  margin: 0 0 18px;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--cool);
}

.page-faq .fix-side__label {
  margin: 0 0 6px;
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .fix-side__mail {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(.9375rem, 2.4vw, 1.0625rem);
  letter-spacing: .01em;
  color: var(--sand);
  word-break: break-all;
}

.page-faq .fix-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.page-faq .fix-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--struct);
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--cool);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .step:nth-child(even) {
    margin-top: 18px;
  }

  .page-faq .fold__body {
    padding-left: 32px;
  }
}

@media (min-width: 880px) {
  .page-faq .fix-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: clamp(24px, 3.4vw, 40px);
  }

  .page-faq .faq-hero__media {
    grid-column: 1 / -1;
  }

  .page-faq .qa-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .qa-index {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-faq .qa-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .qa-index__item {
    display: flex;
    padding: 10px 0 10px 14px;
    border: 0;
    border-left: 2px solid var(--struct);
    border-radius: 0;
    background: transparent;
  }

  .page-faq .qa-index__item:hover,
  .page-faq .qa-index__item:focus-visible {
    border-left-color: var(--gold);
    color: var(--sand);
    background: transparent;
  }

  .page-faq .qa-group {
    scroll-margin-top: 28px;
  }

  .page-faq .freq-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .step:nth-child(even) {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-index__item,
  .page-faq .fold,
  .page-faq .fold > summary::after {
    transition: none;
  }
}