/* ===== 使用教程页 / page-faq ===== */

.page-faq {
  display: block;
}

.page-faq .breadcrumb {
  padding: 18px 0 2px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 18px 0 46px;
  border-bottom: 1px solid var(--line-700);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero__copy .eyebrow {
  color: var(--gold-400);
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(29px, 7vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--bone-50);
  max-width: 15em;
}

.page-faq .faq-hero .lead {
  margin: 0 0 26px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--bone-50);
  max-width: 38em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__media {
  position: relative;
  border: 2px solid var(--line-700);
  box-shadow: var(--hard-shadow-sm);
  background: var(--surface-deep);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

/* ---------- 问答控制台 ---------- */

.page-faq .faq-console {
  padding: 48px 0 20px;
}

.page-faq .faq-console .section__head {
  margin-bottom: 26px;
}

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

.page-faq .qa__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-faq .qa__body {
  display: grid;
  gap: 22px;
}

.page-faq .qa__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-faq .qa__item {
  border-bottom: 1px solid var(--line-700);
}

.page-faq .qa__label {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 14px 13px 18px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.5;
  color: var(--sage-400);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa__label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 3px;
  background: transparent;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .qa__label:hover {
  color: var(--bone-50);
  background-color: rgba(244, 241, 232, 0.05);
}

.page-faq .qa__index {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage-400);
}

.page-faq .qa__q {
  font-weight: 600;
}

.page-faq #qa-1:checked ~ .qa__body .qa__item:nth-child(1) .qa__label,
.page-faq #qa-2:checked ~ .qa__body .qa__item:nth-child(2) .qa__label,
.page-faq #qa-3:checked ~ .qa__body .qa__item:nth-child(3) .qa__label,
.page-faq #qa-4:checked ~ .qa__body .qa__item:nth-child(4) .qa__label,
.page-faq #qa-5:checked ~ .qa__body .qa__item:nth-child(5) .qa__label {
  color: var(--gold-100);
  background-color: rgba(232, 176, 75, 0.09);
}

.page-faq #qa-1:checked ~ .qa__body .qa__item:nth-child(1) .qa__label::before,
.page-faq #qa-2:checked ~ .qa__body .qa__item:nth-child(2) .qa__label::before,
.page-faq #qa-3:checked ~ .qa__body .qa__item:nth-child(3) .qa__label::before,
.page-faq #qa-4:checked ~ .qa__body .qa__item:nth-child(4) .qa__label::before,
.page-faq #qa-5:checked ~ .qa__body .qa__item:nth-child(5) .qa__label::before {
  background: var(--gold-400);
}

.page-faq .qa:has(#qa-1:focus-visible) .qa__item:nth-child(1) .qa__label,
.page-faq .qa:has(#qa-2:focus-visible) .qa__item:nth-child(2) .qa__label,
.page-faq .qa:has(#qa-3:focus-visible) .qa__item:nth-child(3) .qa__label,
.page-faq .qa:has(#qa-4:focus-visible) .qa__item:nth-child(4) .qa__label,
.page-faq .qa:has(#qa-5:focus-visible) .qa__item:nth-child(5) .qa__label {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

/* ---------- 答案区 ---------- */

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

.page-faq .qa__pane {
  display: none;
  padding: 22px 18px 26px;
  border: 2px solid var(--line-700);
  border-top: 3px solid var(--gold-400);
  background: var(--surface-deep);
  box-shadow: var(--hard-shadow-sm);
}

.page-faq #qa-1:checked ~ .qa__body .qa__panes .qa__pane:nth-child(1),
.page-faq #qa-2:checked ~ .qa__body .qa__panes .qa__pane:nth-child(2),
.page-faq #qa-3:checked ~ .qa__body .qa__panes .qa__pane:nth-child(3),
.page-faq #qa-4:checked ~ .qa__body .qa__panes .qa__pane:nth-child(4),
.page-faq #qa-5:checked ~ .qa__body .qa__panes .qa__pane:nth-child(5) {
  display: block;
  animation: faq-pane-in 180ms var(--ease);
}

@keyframes faq-pane-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .qa__pane-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--line-700);
}

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

.page-faq .qa__pane-title {
  margin: 0 0 14px;
  font-size: clamp(20px, 4.6vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--bone-50);
}

.page-faq .qa__pane p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--bone-50);
  max-width: 40em;
}

.page-faq .qa__pane p.note,
.page-faq .qa__pane .note {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage-400);
}

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

.page-faq .qa__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa__back:hover,
.page-faq .qa__back:focus-visible {
  color: var(--gold-100);
  border-bottom-color: var(--gold-400);
}

/* ---------- 开服筛选示意 ---------- */

.page-faq .qa__figure {
  margin: 18px 0;
  border: 2px solid var(--line-700);
  background: rgba(16, 26, 51, 0.6);
  overflow: hidden;
}

.page-faq .qa__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .filter-demo {
  margin: 18px 0;
  padding: 16px;
  border: 2px solid var(--line-700);
  background: rgba(16, 26, 51, 0.62);
}

.page-faq .filter-demo__cap {
  margin: 0 0 12px;
  color: var(--sage-400);
}

.page-faq .filter-demo__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.page-faq .filter-demo__key {
  flex: 0 0 auto;
  min-width: 58px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sage-400);
}

.page-faq .fd-tag {
  display: inline-block;
  padding: 5px 11px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--sage-400);
  border: 1px solid var(--line-700);
  background: transparent;
}

.page-faq .fd-tag--on {
  color: var(--gold-100);
  border-color: var(--gold-400);
  background: rgba(232, 176, 75, 0.12);
}

.page-faq .filter-demo__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line-700);
}

.page-faq .filter-demo__count {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--coral-500);
  letter-spacing: 0.02em;
}

/* ---------- 时区刻度 ---------- */

.page-faq .tz-scale {
  margin: 18px 0;
  padding: 16px;
  border-left: 3px solid var(--coral-500);
  background: rgba(255, 122, 92, 0.07);
}

.page-faq .tz-scale__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-faq .tz-scale__bar {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 2px;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  border-bottom: 2px solid var(--line-700);
}

.page-faq .tz-scale__slot {
  position: relative;
  padding: 10px 2px 15px;
  text-align: center;
  font-size: 12.5px;
  color: var(--sage-400);
}

.page-faq .tz-scale__slot::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 2px;
  height: 8px;
  transform: translateX(-50%);
  background: var(--line-700);
}

.page-faq .tz-scale__slot--hot {
  color: var(--coral-500);
  font-weight: 700;
}

.page-faq .tz-scale__slot--hot::after {
  height: 15px;
  background: var(--coral-500);
}

/* ---------- 版本升级自检清单 ---------- */

.page-faq .qa-checks {
  list-style: none;
  margin: 16px 0 8px;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-faq .qa-checks li {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-700);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--bone-50);
}

.page-faq .qa-checks .num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

/* ---------- 专区五栏 ---------- */

.page-faq .qa-zones {
  margin: 16px 0 8px;
}

.page-faq .qa-zones > div {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-700);
}

.page-faq .qa-zones dt {
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-100);
}

.page-faq .qa-zones dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage-400);
}

/* ---------- 纠错清单 ---------- */

.page-faq .qa-fix {
  margin: 16px 0 8px;
  padding: 16px;
  border: 2px dashed var(--line-700);
}

.page-faq .qa-fix .eyebrow {
  margin: 0;
  color: var(--sage-400);
}

.page-faq .qa-fix ul {
  display: grid;
  gap: 7px;
  margin: 10px 0 0;
  padding-left: 18px;
}

.page-faq .qa-fix li {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--bone-50);
}

/* ---------- 后续入口 ---------- */

.page-faq .faq-next {
  padding: 44px 0 66px;
}

.page-faq .next-links {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-faq .next-links a {
  display: block;
  padding: 16px 18px;
  border: 2px solid var(--line-700);
  background: rgba(16, 26, 51, 0.55);
  text-decoration: none;
  color: var(--bone-50);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-faq .next-links a:hover,
.page-faq .next-links a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold-400);
  box-shadow: var(--hard-shadow-sm);
}

.page-faq .next-links__t {
  display: block;
  margin-bottom: 5px;
  font-size: 17px;
  font-weight: 700;
  color: var(--gold-100);
}

.page-faq .next-links__d {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage-400);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 26px 0 60px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: 46px;
  }

  .page-faq .qa__body {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .qa__list {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .page-faq .qa__pane {
    padding: 28px 30px 30px;
  }

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

@media (min-width: 640px) {
  .page-faq .qa-zones > div {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}