.page-faq {
  --faq-cut-sm: 10px;
  --faq-cut-md: 22px;
  --faq-band: rgba(11, 46, 35, .46);
  background: var(--c-night);
  color: var(--ink-1);
  padding-block-end: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-block: clamp(16px, 3vw, 28px) 0;
}

.page-faq .breadcrumb-list {
  color: var(--ink-3);
  font-size: .82rem;
}

.page-faq .breadcrumb-list a {
  color: var(--ink-3);
  text-decoration: none;
}

.page-faq .breadcrumb-list a:hover {
  color: var(--c-grass);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 60px) clamp(36px, 6vw, 72px);
  background:
    radial-gradient(115% 90% at 88% -10%, rgba(22, 80, 58, .9), transparent 62%),
    linear-gradient(180deg, rgba(6, 16, 12, .55), var(--c-night));
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(118deg, rgba(154, 211, 107, .07) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -.03em;
  font-weight: 900;
  margin: .35em 0 .6em;
  color: var(--c-mist);
}

.page-faq .faq-hero__intro {
  max-width: 46ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--ink-2);
  font-size: clamp(.95rem, 1.6vw, 1.02rem);
  line-height: 1.85;
}

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

.page-faq .faq-hero__panel {
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(155deg, rgba(22, 80, 58, .82), rgba(6, 16, 12, .92));
  border: 1px solid var(--line-mid);
  border-radius: 2px var(--faq-cut-md) 2px var(--faq-cut-md);
}

.page-faq .panel-label {
  margin: 0 0 14px;
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--c-grass);
  font-family: var(--font-num);
  text-transform: uppercase;
}

.page-faq .hero-stats {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 8px 10px 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .hero-stats__num {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--c-yellow);
  line-height: 1;
}

.page-faq .hero-stats__txt {
  font-size: .74rem;
  color: var(--ink-3);
  letter-spacing: .04em;
}

.page-faq .hero-jump {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .hero-jump a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 2px;
  color: var(--ink-2);
  text-decoration: none;
  font-size: .88rem;
  border-bottom: 1px solid var(--line-soft);
  transition: color var(--dur-fast) ease-out, padding-left var(--dur-fast) ease-out;
}

.page-faq .hero-jump a::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--c-grass);
  flex: none;
}

.page-faq .hero-jump a:hover,
.page-faq .hero-jump a:focus-visible {
  color: var(--c-mist);
  padding-left: 8px;
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding-block: clamp(38px, 6vw, 76px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-section--band {
  background: var(--faq-band);
}

.page-faq .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.28;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--c-mist);
  margin: .3em 0 .55em;
  max-width: 22ch;
}

.page-faq .section-lead {
  max-width: 62ch;
  margin: 0 0 clamp(24px, 4vw, 40px);
  color: var(--ink-2);
  font-size: .95rem;
  line-height: 1.8;
}

.page-faq .faq-section a {
  color: var(--c-grass);
  text-decoration: none;
  border-bottom: 1px solid var(--line-mid);
}

.page-faq .faq-section a:hover {
  border-bottom-color: var(--c-grass);
}

/* ---------- 四步 ---------- */
.page-faq .steps-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .steps-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .track-title {
  margin: 0;
  font-family: var(--font-num);
  font-size: .7rem;
  letter-spacing: .24em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.page-faq .track__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: track;
}

.page-faq .track__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 12px 11px 14px;
  border-left: 2px solid var(--line-soft);
  color: var(--ink-2);
  text-decoration: none;
  font-size: .88rem;
  transition: border-color var(--dur-fast) ease-out, background var(--dur-fast) ease-out, color var(--dur-fast) ease-out;
}

.page-faq .track__list a .num {
  color: var(--c-grass);
  font-size: .78rem;
  letter-spacing: .06em;
}

.page-faq .track__list a:hover,
.page-faq .track__list a:focus-visible {
  border-left-color: var(--c-yellow);
  background: rgba(22, 80, 58, .55);
  color: var(--c-mist);
}

.page-faq .steps-figure {
  margin: 0;
}

.page-faq .steps-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-faq .img-caption {
  color: var(--ink-3);
  font-size: .76rem;
  line-height: 1.6;
  margin-top: 8px;
}

.page-faq .steps-body {
  display: grid;
  gap: 14px;
}

.page-faq .step {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(160deg, rgba(22, 80, 58, .5), rgba(6, 16, 12, .82));
  border: 1px solid var(--line-soft);
  border-radius: 2px var(--faq-cut-md) 2px 2px;
  scroll-margin-top: 110px;
  transition: border-color var(--dur-mid) ease-out, transform var(--dur-mid) var(--ease);
}

.page-faq .step:hover {
  border-color: var(--line-mid);
  transform: translateY(-2px);
}

.page-faq .step:target {
  border-color: rgba(243, 198, 63, .7);
  box-shadow: inset 3px 0 0 var(--c-yellow);
}

.page-faq .step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .step__no {
  font-size: 1.15rem;
  color: var(--c-yellow);
  letter-spacing: .04em;
  line-height: 1;
}

.page-faq .step h3 {
  margin: 0;
  font-size: clamp(1.02rem, 2.2vw, 1.18rem);
  font-weight: 800;
  color: var(--c-mist);
  letter-spacing: -.01em;
}

.page-faq .step p {
  margin: 0 0 10px;
  color: var(--ink-2);
  font-size: .92rem;
  line-height: 1.82;
}

.page-faq .step__shot {
  padding: 8px 12px;
  border-left: 2px solid var(--line-mid);
  color: var(--ink-3) !important;
  font-size: .82rem !important;
  line-height: 1.7 !important;
}

.page-faq .step__ok {
  margin: 0 !important;
  display: inline-block;
  padding: 5px 12px;
  background: rgba(154, 211, 107, .12);
  border: 1px solid var(--line-mid);
  border-radius: 999px;
  color: var(--c-grass) !important;
  font-size: .8rem !important;
}

/* ---------- 三条排查 ---------- */
.page-faq .checks {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .check {
  position: relative;
  padding: 20px 20px 18px 20px;
  background: rgba(6, 16, 12, .55);
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-cut-md) 2px var(--faq-cut-md) 2px;
}

.page-faq .check__no {
  display: inline-block;
  margin-bottom: 8px;
  font-size: .8rem;
  color: var(--c-night);
  background: var(--c-grass);
  border-radius: 2px;
  padding: 2px 7px;
  letter-spacing: .08em;
}

.page-faq .check h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--c-mist);
}

.page-faq .check p {
  margin: 0;
  color: var(--ink-2);
  font-size: .9rem;
  line-height: 1.8;
}

.page-faq .checks-tail {
  margin: 0;
  color: var(--ink-3);
  font-size: .88rem;
  line-height: 1.8;
}

/* ---------- 回看与数据 ---------- */
.page-faq .trouble-layout {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  align-items: start;
}

.page-faq .trouble-list {
  display: grid;
  gap: 12px;
}

.page-faq .trouble {
  padding: 16px 18px;
  background: linear-gradient(150deg, rgba(36, 96, 140, .16), rgba(6, 16, 12, .7));
  border: 1px solid var(--line-soft);
  border-left: 3px solid rgba(154, 211, 107, .45);
  border-radius: 0 var(--faq-cut-sm) var(--faq-cut-sm) 0;
}

.page-faq .trouble h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 7px;
  font-size: .96rem;
  font-weight: 700;
  color: var(--c-mist);
  line-height: 1.5;
}

.page-faq .trouble p {
  margin: 0;
  color: var(--ink-2);
  font-size: .88rem;
  line-height: 1.8;
}

.page-faq .trouble-figure {
  margin: 0;
}

.page-faq .trouble-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 偏好 ---------- */
.page-faq .prefs-grid {
  display: grid;
  gap: 12px;
}

.page-faq .pref {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid rgba(243, 198, 63, .55);
  background: rgba(6, 16, 12, .5);
  border-radius: 2px 2px var(--faq-cut-sm) var(--faq-cut-sm);
}

.page-faq .pref h3 {
  margin: 0 0 8px;
  font-size: .95rem;
  font-weight: 800;
  color: var(--c-mist);
}

.page-faq .pref p {
  margin: 0;
  color: var(--ink-2);
  font-size: .88rem;
  line-height: 1.8;
}

/* ---------- FAQ 筛选与手风琴 ---------- */
.page-faq .faq-filter {
  position: relative;
}

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

.page-faq .faq-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-filter__bar label {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: .82rem;
  color: var(--ink-2);
  background: rgba(6, 16, 12, .6);
  border: 1px solid var(--line-mid);
  border-radius: 999px;
  transition: background var(--dur-fast) ease-out, color var(--dur-fast) ease-out, border-color var(--dur-fast) ease-out;
}

.page-faq .faq-filter__bar label .num {
  font-size: .72rem;
  color: var(--ink-3);
}

.page-faq .faq-filter__bar label:hover {
  border-color: var(--c-grass);
  color: var(--c-mist);
}

.page-faq .faq-filter__bar label:focus-within,
.page-faq .faq-radio:focus-visible + .faq-filter__bar label {
  outline: 2px solid var(--c-grass);
  outline-offset: 2px;
}

.page-faq .faq-radio:focus-visible ~ .faq-filter__bar label {
  outline-offset: 2px;
}

.page-faq #faq-f-all:checked ~ .faq-filter__bar label[for="faq-f-all"],
.page-faq #faq-f-entry:checked ~ .faq-filter__bar label[for="faq-f-entry"],
.page-faq #faq-f-replay:checked ~ .faq-filter__bar label[for="faq-f-replay"],
.page-faq #faq-f-data:checked ~ .faq-filter__bar label[for="faq-f-data"],
.page-faq #faq-f-guide:checked ~ .faq-filter__bar label[for="faq-f-guide"] {
  background: var(--c-yellow);
  border-color: var(--c-yellow);
  color: var(--ink-dark);
  font-weight: 700;
}

.page-faq #faq-f-all:checked ~ .faq-filter__bar label[for="faq-f-all"] .num,
.page-faq #faq-f-entry:checked ~ .faq-filter__bar label[for="faq-f-entry"] .num,
.page-faq #faq-f-replay:checked ~ .faq-filter__bar label[for="faq-f-replay"] .num,
.page-faq #faq-f-data:checked ~ .faq-filter__bar label[for="faq-f-data"] .num,
.page-faq #faq-f-guide:checked ~ .faq-filter__bar label[for="faq-f-guide"] .num {
  color: rgba(6, 16, 12, .7);
}

.page-faq .faq-grid {
  display: grid;
  gap: 10px;
  align-items: start;
}

.page-faq .faq-item {
  display: none;
  min-width: 0;
}

.page-faq #faq-f-all:checked ~ .faq-grid .faq-item,
.page-faq #faq-f-entry:checked ~ .faq-grid .faq-item[data-cat="entry"],
.page-faq #faq-f-replay:checked ~ .faq-grid .faq-item[data-cat="replay"],
.page-faq #faq-f-data:checked ~ .faq-grid .faq-item[data-cat="data"],
.page-faq #faq-f-guide:checked ~ .faq-grid .faq-item[data-cat="guide"] {
  display: block;
}

.page-faq .faq-item details {
  background: linear-gradient(158deg, rgba(22, 80, 58, .44), rgba(6, 16, 12, .8));
  border: 1px solid var(--line-soft);
  border-radius: 2px var(--faq-cut-sm) 2px var(--faq-cut-sm);
  transition: border-color var(--dur-fast) ease-out;
}

.page-faq .faq-item details:hover {
  border-color: var(--line-mid);
}

.page-faq .faq-item details[open] {
  border-color: rgba(243, 198, 63, .5);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 16px;
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-mist);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 1rem;
  color: var(--c-grass);
  line-height: 1;
  flex: none;
}

.page-faq .faq-item details[open] summary::after {
  content: "−";
  color: var(--c-yellow);
}

.page-faq .faq-no {
  font-size: .74rem;
  color: var(--ink-3);
  flex: none;
  letter-spacing: .04em;
}

.page-faq .faq-item details[open] .faq-no {
  color: var(--c-yellow);
}

.page-faq .faq-item details p {
  margin: 0;
  padding: 0 16px 15px 40px;
  color: var(--ink-2);
  font-size: .86rem;
  line-height: 1.82;
}

/* ---------- 反馈 ---------- */
.page-faq .need-help__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .need-help__lead h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.3;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--c-mist);
  margin: .3em 0 .6em;
  max-width: 20ch;
}

.page-faq .need-help__lead p {
  margin: 0 0 20px;
  color: var(--ink-2);
  font-size: .94rem;
  line-height: 1.85;
  max-width: 52ch;
}

.page-faq .ticket-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .ticket-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: rgba(6, 16, 12, .58);
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-cut-sm) 2px var(--faq-cut-sm) 2px;
}

.page-faq .ticket-no {
  font-size: 1.1rem;
  color: var(--c-red);
  line-height: 1.2;
  flex: none;
}

.page-faq .ticket-list h3 {
  margin: 0 0 5px;
  font-size: .92rem;
  font-weight: 800;
  color: var(--c-mist);
}

.page-faq .ticket-list p {
  margin: 0;
  color: var(--ink-2);
  font-size: .85rem;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .checks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .ticket-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .steps-layout {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-faq .steps-aside {
    position: sticky;
    top: 108px;
  }

  .page-faq .trouble-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-faq .need-help__inner {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 1180px) {
  .page-faq .trouble-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .prefs-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .hero-jump a,
  .page-faq .faq-filter__bar label {
    transition: none;
  }

  .page-faq .step:hover {
    transform: none;
  }

  .page-faq .hero-jump a:hover {
    padding-left: 2px;
  }
}