.page-faq {
  background: var(--c-bg);
  overflow-x: hidden;
}
.page-faq-hero {
  position: relative;
  padding: clamp(40px, 8vw, 88px) 0 0;
}
.page-faq-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--c-glow), transparent 68%);
  pointer-events: none;
}
.page-faq-hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.page-faq-breadcrumbs {
  margin-bottom: 24px;
}
.page-faq-hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.page-faq .hero-title-accent {
  color: var(--c-secondary);
}
.page-faq-hero-desc {
  max-width: 64ch;
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text-mid);
}
.page-faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.page-faq-hero-visual {
  position: relative;
  max-width: 440px;
  margin: 0 auto;
}
.page-faq-hero-visual::before {
  content: '';
  position: absolute;
  inset: 18px -10px -10px 18px;
  border: 1px solid var(--c-primary);
  opacity: 0.5;
  clip-path: polygon(0 0, 84% 0, 100% 16%, 100% 100%, 16% 100%, 0 84%);
}
.page-faq-hero-visual img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  clip-path: polygon(0 0, 92% 0, 100% 8%, 100% 100%, 8% 100%, 0 92%);
}
.page-faq-layout {
  padding-top: var(--section-space);
}
.page-faq-layout-head,
.page-faq-guide-head,
.page-faq-feedback-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 36px;
}
.page-faq-layout-head-copy,
.page-faq-guide-head-copy,
.page-faq-feedback-head-copy {
  flex: 1;
}
.page-faq-layout-head-copy .section-desc,
.page-faq-guide-head-copy .section-desc,
.page-faq-feedback-head-copy .section-desc {
  margin-bottom: 0;
}
.page-faq-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}
.page-faq-sidebar-inner {
  display: grid;
  gap: 26px;
  padding: 28px 24px;
  border: 1px solid var(--c-border);
  background:
    linear-gradient(160deg, rgba(0, 180, 255, 0.08), transparent 60%),
    var(--c-surface);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-faq-sidebar-label {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-secondary);
}
.page-faq-sidebar-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-border);
}
.page-faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.page-faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-text-mid);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.page-faq-index-list a:hover {
  color: var(--c-text);
  border-left-color: var(--c-primary);
  background: rgba(0, 180, 255, 0.08);
}
.page-faq-index-num {
  font-size: 12px;
  color: var(--c-text-low);
}
.page-faq-sidebar-card {
  display: grid;
  gap: 12px;
  padding: 18px 16px;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--c-border);
}
.page-faq-sidebar-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-mid);
}
.page-faq-sidebar-card .btn {
  justify-self: start;
}
.page-faq-main {
  display: grid;
  gap: 18px;
}
.page-faq-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq-search-input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-primary);
  background: var(--c-surface);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.page-faq-search-input::placeholder {
  color: var(--c-text-low);
}
.page-faq-search-input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-glow);
}
.page-faq-list {
  display: grid;
  gap: 10px;
}
.page-faq .faq-item {
  display: block;
  width: 100%;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  transition: border-color 0.25s, background 0.25s;
}
.page-faq .faq-item:hover {
  border-color: #2f3d5c;
}
.page-faq .faq-item[open] {
  border-color: var(--c-primary);
  background: linear-gradient(180deg, var(--c-surface), #0e1522);
}
.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
}
.page-faq .faq-item-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-primary);
}
.page-faq .faq-item-icon {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 1px solid var(--c-border);
  transition: transform 0.25s, border-color 0.25s;
}
.page-faq .faq-item-icon::before,
.page-faq .faq-item-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1px;
  background: var(--c-text-mid);
  transform: translate(-50%, -50%);
  transition: background 0.25s;
}
.page-faq .faq-item-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.page-faq .faq-item[open] .faq-item-icon {
  transform: rotate(45deg);
  border-color: var(--c-primary);
}
.page-faq .faq-item[open] .faq-item-icon::before,
.page-faq .faq-item[open] .faq-item-icon::after {
  background: var(--c-primary);
}
.page-faq .faq-item-a {
  padding: 0 20px 22px 52px;
  color: var(--c-text-mid);
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .faq-item-a p {
  margin: 0 0 10px;
}
.page-faq .faq-item-a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item-a a {
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-faq .faq-item-a ul {
  margin: 0;
  padding-left: 2px;
  list-style: none;
  display: grid;
  gap: 6px;
}
.page-faq .faq-item-a li {
  position: relative;
  padding-left: 22px;
}
.page-faq .faq-item-a li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--c-secondary);
  opacity: 0.7;
}
@keyframes pageFaqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-faq .faq-item[open] .faq-item-a {
  animation: pageFaqReveal 0.25s ease-out;
}
.page-faq-empty {
  display: none;
  margin: 0;
  padding: 22px 18px;
  border: 1px dashed var(--c-border);
  color: var(--c-text-mid);
  font-size: 14px;
  text-align: center;
}
.page-faq-guide {
  position: relative;
  padding-top: var(--section-space);
}
.page-faq-guide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-secondary) 55%, transparent);
}
.page-faq-guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-faq-guide-card {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 28px 26px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-primary);
  transition: transform 0.25s, box-shadow 0.25s;
}
.page-faq-guide-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px -24px var(--c-glow);
}
.page-faq-guide-card-top {
  display: flex;
  align-items: center;
  gap: 14px;
}
.page-faq-guide-card-top h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
}
.page-faq-guide-card-num {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--c-text-low);
}
.page-faq-guide-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq-guide-steps li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-mid);
}
.page-faq-guide-steps li::before {
  content: '';
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 7px;
  background: var(--c-secondary);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-faq-guide-note {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--c-primary);
  background: rgba(0, 180, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-primary);
}
.page-faq-guide-card .btn {
  justify-self: start;
}
.page-faq-feedback {
  padding-top: var(--section-space);
}
.page-faq-feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.page-faq-fb-card {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 30px 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
}
.page-faq-fb-card--collect {
  overflow: hidden;
}
.page-faq-fb-card--collect::after {
  content: '';
  position: absolute;
  top: -70px;
  right: -70px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.16), transparent 70%);
  pointer-events: none;
}
.page-faq-fb-card--send {
  border-color: rgba(57, 255, 20, 0.4);
}
.page-faq-fb-icon {
  font-size: 34px;
  line-height: 1;
  color: var(--c-accent);
}
.page-faq-fb-card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
}
.page-faq-fb-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-mid);
}
.page-faq-fb-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq-fb-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-mid);
}
.page-faq-fb-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  background: var(--c-secondary);
  opacity: 0.8;
}
.page-faq-fb-demo {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 1px dashed rgba(255, 215, 0, 0.5);
  background: rgba(255, 215, 0, 0.05);
}
.page-faq-fb-demo-label {
  font-size: 14px;
  color: var(--c-text-mid);
}
.page-faq-fb-demo-count {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--c-accent);
}
.page-faq-fb-image {
  overflow: hidden;
  border: 1px solid var(--c-border);
}
.page-faq-fb-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq-fb-contact-rows {
  display: grid;
  gap: 8px;
}
.page-faq-fb-contact-rows div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-border);
  font-size: 14px;
}
.page-faq-fb-contact-rows div:last-child {
  border-bottom: 0;
}
.page-faq-fb-contact-rows span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-text-low);
}
.page-faq-fb-contact-rows span:last-child {
  color: var(--c-text);
}
.page-faq-fb-card--send .btn {
  justify-self: start;
}
.page-faq-contact {
  padding: var(--section-space) 0 var(--section-space);
}
.page-faq-contact-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: clamp(28px, 5vw, 52px);
  background:
    linear-gradient(135deg, rgba(0, 180, 255, 0.1), transparent 52%),
    var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-secondary);
  clip-path: polygon(0 0, 96% 0, 100% 4%, 100% 100%, 4% 100%, 0 96%);
}
.page-faq-contact-copy .section-index {
  display: inline-flex;
}
.page-faq-contact-copy h2 {
  margin-top: 12px;
}
.page-faq-contact-copy p {
  margin: 12px 0 0;
  color: var(--c-text-mid);
  line-height: 1.8;
}
.page-faq-contact-trust {
  font-family: var(--font-mono);
  font-size: 13px;
}
.page-faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq-contact-item {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: rgba(10, 14, 23, 0.7);
  border-left: 2px solid var(--c-primary);
}
.page-faq-contact-item-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-low);
}
.page-faq-contact-item-value {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
  word-break: break-word;
}
.page-faq-contact-item-note {
  font-size: 13px;
  color: var(--c-text-mid);
}
@media (min-width: 900px) {
  .page-faq-hero {
    padding-top: clamp(56px, 8vw, 96px);
  }
  .page-faq-hero-shell {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }
  .page-faq-hero-visual {
    margin-left: auto;
    margin-right: 0;
  }
  .page-faq-layout-grid {
    grid-template-columns: 300px 1fr;
    gap: 44px;
  }
  .page-faq-sidebar-inner {
    position: sticky;
    top: 120px;
  }
  .page-faq-guide-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .page-faq-feedback-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .page-faq-contact-panel {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
}