.page-faq {
  background:
    radial-gradient(ellipse at 85% 10%, rgba(184,41,255,0.14), transparent 55%),
    radial-gradient(ellipse at 8% 90%, rgba(255,61,129,0.10), transparent 50%),
    var(--bg-deep);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.page-faq .breadcrumb a {
  color: var(--metal-silver);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-faq .breadcrumb a:hover {
  color: var(--neon-pink);
}
.page-faq .breadcrumb .breadcrumb-sep {
  opacity: 0.5;
}

.page-faq .faq-mast {
  position: relative;
  padding: 2rem 0 3rem;
}
.page-faq .faq-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255,61,129,0.20), rgba(184,41,255,0.08) 45%, transparent 72%);
  clip-path: polygon(0 0, 68% 0, 42% 100%, 0 100%);
}
.page-faq .faq-mast-inner {
  position: relative;
  z-index: 1;
}
.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-green);
}
.page-faq .faq-kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--neon-green);
  box-shadow: 0 0 10px var(--neon-green);
}
.page-faq .faq-mast-title {
  margin: 0 0 1.25rem;
  max-width: 21em;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 900;
  line-height: 1.18;
  color: var(--ice-white);
  text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-purple);
}
.page-faq .faq-mast-desc {
  margin: 0 0 1.75rem;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-body);
}

.page-faq .faq-category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-faq .faq-tag--pink {
  color: var(--neon-pink);
  border-color: rgba(255,61,129,0.5);
  background: rgba(255,61,129,0.08);
}
.page-faq .faq-tag--green {
  color: var(--neon-green);
  border-color: rgba(57,255,136,0.5);
  background: rgba(57,255,136,0.08);
}
.page-faq .faq-tag--purple {
  color: #d7a6ff;
  border-color: rgba(184,41,255,0.5);
  background: rgba(184,41,255,0.08);
}
.page-faq .faq-tag--silver {
  color: var(--metal-silver);
  border-color: rgba(192,192,208,0.4);
  background: rgba(192,192,208,0.06);
}

.page-faq .faq-terminal {
  margin-top: 2rem;
  padding: 1rem 1.25rem 1.15rem;
  background: rgba(10,10,18,0.82);
  border: 1px solid rgba(57,255,136,0.30);
  border-radius: 8px;
  box-shadow: 0 0 24px rgba(57,255,136,0.08), 0 0 60px rgba(184,41,255,0.06);
}
.page-faq .faq-terminal-label {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-green);
}
.page-faq .faq-terminal-label::before {
  content: ">";
  margin-right: 0.5rem;
  font-weight: 700;
}
.page-faq .faq-search-input {
  width: 100%;
  padding: 0.6rem 0.25rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid rgba(57,255,136,0.4);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ice-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.page-faq .faq-search-input::placeholder {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
}
.page-faq .faq-search-input:focus {
  outline: none;
  border-bottom-color: var(--neon-green);
  box-shadow: 0 6px 14px -10px var(--neon-green);
}
.page-faq .faq-terminal-hints {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-faq .faq-timeline-title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.5rem 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(192,192,208,0.15);
}
.page-faq .faq-timeline-title-cn {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--ice-white);
  text-shadow: 0 0 12px rgba(255,61,129,0.35);
}
.page-faq .faq-timeline-title-en {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-faq .faq-list {
  position: relative;
  display: grid;
  gap: 1rem;
  padding-left: 1rem;
}
.page-faq .faq-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon-pink), var(--neon-purple), var(--neon-green));
  opacity: 0.2;
}

.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(26,11,46,0.88), rgba(10,10,18,0.92));
  border: 1px solid rgba(192,192,208,0.2);
  border-radius: 10px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.page-faq .faq-item::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(-45deg, rgba(255,255,255,0.018) 0 2px, transparent 2px 12px);
}
.page-faq .faq-item[open] {
  border-top-color: rgba(255,61,129,0.5);
  border-right-color: rgba(255,61,129,0.5);
  border-bottom-color: rgba(255,61,129,0.5);
  border-left-color: var(--neon-pink);
  box-shadow: 0 0 30px rgba(255,61,129,0.12), 0 14px 30px -18px rgba(10,10,18,0.95);
}
.page-faq .faq-item:hover {
  transform: translateY(-2px);
}
.page-faq .faq-item[open]:hover {
  transform: none;
}

.page-faq .faq-item--favorite {
  border-left: 3px solid var(--neon-pink);
}
.page-faq .faq-item--crash {
  border-left: 3px solid var(--neon-green);
}
.page-faq .faq-item--compat {
  border-left: 3px solid var(--neon-purple);
}
.page-faq .faq-item--version {
  border-left: 3px solid var(--metal-silver);
}
.page-faq .faq-item--crash[open] {
  border-left-color: var(--neon-green);
}
.page-faq .faq-item--compat[open] {
  border-left-color: var(--neon-purple);
}
.page-faq .faq-item--version[open] {
  border-left-color: var(--metal-silver);
}

.page-faq .faq-item-summary {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.05rem 1.15rem;
  list-style: none;
  cursor: pointer;
}
.page-faq .faq-item-summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item-summary:hover {
  background: rgba(255,255,255,0.02);
}
.page-faq .faq-item-summary:focus-visible {
  outline: 2px solid var(--neon-pink);
  outline-offset: -2px;
  border-radius: 10px;
}

.page-faq .faq-item-index {
  flex-shrink: 0;
  min-width: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
}
.page-faq .faq-item-tag {
  flex-shrink: 0;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-faq .faq-item--favorite .faq-item-tag {
  color: var(--neon-pink);
  border-color: rgba(255,61,129,0.4);
  background: rgba(255,61,129,0.08);
}
.page-faq .faq-item--crash .faq-item-tag {
  color: var(--neon-green);
  border-color: rgba(57,255,136,0.4);
  background: rgba(57,255,136,0.08);
}
.page-faq .faq-item--compat .faq-item-tag {
  color: #d7a6ff;
  border-color: rgba(184,41,255,0.4);
  background: rgba(184,41,255,0.08);
}
.page-faq .faq-item--version .faq-item-tag {
  color: var(--metal-silver);
  border-color: rgba(192,192,208,0.4);
  background: rgba(192,192,208,0.06);
}

.page-faq .faq-item-question {
  flex: 1;
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice-white);
}
.page-faq .faq-item-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid rgba(255,61,129,0.55);
  border-radius: 50%;
  color: var(--neon-pink);
  font-size: 1rem;
  transition: transform 0.25s ease, background-color 0.25s ease;
}
.page-faq .faq-item-icon::after {
  content: "+";
  line-height: 1;
}
.page-faq .faq-item[open] .faq-item-icon {
  transform: rotate(45deg);
  background: rgba(255,61,129,0.15);
}

.page-faq .faq-item-body {
  position: relative;
  z-index: 1;
  padding: 1.25rem 1.15rem 1.5rem;
  border-top: 1px dashed rgba(192,192,208,0.18);
  animation: faq-page-fade-in 0.25s ease;
}
.page-faq .faq-item-body p {
  margin: 0 0 1rem;
  font-family: var(--font-body);
  font-size: 0.925rem;
  line-height: 1.8;
  color: var(--text-body);
}
.page-faq .faq-item-body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-figure {
  margin: 1.25rem 0;
  padding: 0.5rem;
  background: rgba(10,10,18,0.7);
  border: 1px solid rgba(192,192,208,0.18);
  border-radius: 6px;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}
.page-faq .faq-figure figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-align: center;
}

.page-faq .faq-steps,
.page-faq .faq-checklist {
  margin: 1rem 0 1.25rem;
  padding: 0;
  list-style: none;
}
.page-faq .faq-steps {
  counter-reset: faq-step;
}
.page-faq .faq-steps li {
  position: relative;
  padding: 0.75rem 0 0.75rem 2.9rem;
  border-bottom: 1px solid rgba(192,192,208,0.10);
  counter-increment: faq-step;
}
.page-faq .faq-steps li:last-child {
  border-bottom: none;
}
.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.75rem;
  padding: 0.12rem 0.38rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-pink);
  border: 1px solid rgba(255,61,129,0.4);
  border-radius: 4px;
  background: rgba(255,61,129,0.06);
}
.page-faq .faq-steps li strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--ice-white);
}
.page-faq .faq-steps li p {
  margin: 0;
}
.page-faq .faq-checklist li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-body);
}
.page-faq .faq-checklist li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--neon-green);
}

.page-faq .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.75rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ice-white);
  background: linear-gradient(120deg, var(--neon-pink), var(--neon-purple));
  border: none;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 0 18px rgba(255,61,129,0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-faq .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(255,61,129,0.55), 0 8px 22px -10px rgba(184,41,255,0.6);
}
.page-faq .btn-primary:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 3px;
}

@keyframes faq-page-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-resources {
  margin-top: 3rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid rgba(192,192,208,0.14);
  background: linear-gradient(180deg, rgba(26,11,46,0.4), rgba(10,10,18,0.9));
}
.page-faq .faq-resources-head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--ice-white);
  text-shadow: 0 0 12px rgba(255,61,129,0.5);
}
.page-faq .faq-resources-head p {
  margin: 0 0 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-body);
}
.page-faq .faq-resources-grid {
  display: grid;
  gap: 1rem;
}
.page-faq .faq-resource-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem;
  background: rgba(10,10,18,0.6);
  border: 1px solid rgba(192,192,208,0.18);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}
.page-faq .faq-resource-card:hover {
  border-color: rgba(255,61,129,0.5);
  background: rgba(26,11,46,0.85);
  transform: translateY(-3px);
}
.page-faq .faq-resource-card:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 3px;
}
.page-faq .faq-resource-card-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--neon-green);
}
.page-faq .faq-resource-card-title {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ice-white);
}
.page-faq .faq-resource-card-desc {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-dim);
}

@media (min-width: 768px) {
  .page-faq .faq-mast {
    padding: 3rem 0 4rem;
  }
  .page-faq .faq-mast-inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
    align-items: end;
  }
  .page-faq .faq-terminal {
    margin: 0 0 0.5rem;
  }
  .page-faq .faq-list {
    padding-left: 2rem;
    gap: 1.25rem;
  }
  .page-faq .faq-item-summary {
    padding: 1.35rem 1.5rem;
  }
  .page-faq .faq-item-body {
    padding: 1.5rem 1.5rem 1.75rem;
  }
  .page-faq .faq-resources-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .page-faq .faq-mast-title {
    font-size: 3rem;
  }
  .page-faq .faq-list {
    max-width: 820px;
  }
  .page-faq .faq-item-question {
    font-size: 1rem;
  }
}