.page-faq {
  --faq-clip: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  --faq-grad-accent: linear-gradient(135deg, var(--color-orange) 0%, var(--color-orange-soft) 45%, var(--color-ice) 100%);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.page-faq .site-breadcrumb {
  padding-top: 24px;
  padding-bottom: 8px;
}

.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(ellipse at 85% 10%, rgba(0, 210, 255, 0.07) 0%, transparent 55%),
    linear-gradient(115deg, transparent 0%, transparent 60%, rgba(255, 75, 43, 0.05) 100%),
    var(--color-bg-deep);
}

.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  background: repeating-linear-gradient(-45deg, transparent 0 14px, rgba(255, 75, 43, 0.03) 14px 15px);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 36px;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-size: 2rem;
}

.page-faq .faq-hero__lead {
  margin-top: 16px;
  color: var(--color-text-dim);
  font-size: 1rem;
  max-width: 56ch;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-hero__tree {
  padding: 24px;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  clip-path: var(--faq-clip);
}

.page-faq .faq-hero-tree__label {
  margin: 0 0 16px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ice);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-hero-tree__label::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--faq-grad-accent);
}

.page-faq .faq-hero-tree__list {
  list-style: none;
  margin: 0;
  padding: 6px 0 6px 36px;
  position: relative;
}

.page-faq .faq-hero-tree__list::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-orange) 0%, var(--color-ice-deep) 100%);
}

.page-faq .faq-hero-tree__list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  font-family: var(--font-data);
  font-size: 0.9rem;
  color: var(--color-text);
}

.page-faq .faq-hero-tree__list li::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--color-ice);
  opacity: 0.8;
}

.page-faq .faq-hero-tree__list li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-hero-tree__num {
  color: var(--color-orange);
  font-weight: 700;
}

.page-faq .faq-search {
  padding: 40px 0;
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-search__panel {
  display: grid;
  gap: 28px;
}

.page-faq .faq-search__copy h2 {
  margin: 0;
}

.page-faq .faq-search__copy > p {
  color: var(--color-text-dim);
  margin: 10px 0 18px;
  max-width: 48ch;
}

.page-faq .faq-search__bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  max-width: 520px;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-line);
  color: var(--color-text-dim);
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.page-faq .faq-search__bar:hover,
.page-faq .faq-search__bar:focus-visible {
  border-color: var(--color-ice);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.12);
  color: var(--color-text);
}

.page-faq .faq-search__icon {
  color: var(--color-ice);
  flex-shrink: 0;
}

.page-faq .faq-search__bar-text {
  flex: 1;
  font-size: 0.95rem;
}

.page-faq .faq-search__hint {
  font-family: var(--font-data);
  color: var(--color-orange);
}

.page-faq .faq-search__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .faq-search__visual .site-image,
.page-faq .faq-tree__note .site-image {
  width: 100%;
  height: auto;
  display: block;
}

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

.page-faq .faq-hot__head {
  margin-bottom: 24px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-hot__head h2 {
  margin: 0;
}

.page-faq .faq-hot__head p {
  color: var(--color-text-dim);
  margin: 0;
  max-width: 60ch;
}

.page-faq .faq-hot__head .site-link-arrow {
  margin-top: 4px;
}

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

.page-faq .faq-hot__item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  clip-path: var(--faq-clip);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-faq .faq-hot__item:hover {
  border-color: var(--color-orange);
  transform: translateX(4px);
}

.page-faq .faq-hot__num {
  font-family: var(--font-data);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-orange);
  opacity: 0.35;
}

.page-faq .faq-hot__body h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.page-faq .faq-hot__body p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .faq-tree {
  padding: 48px 0;
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-tree__head {
  margin-bottom: 28px;
}

.page-faq .faq-tree__head h2 {
  margin: 0;
}

.page-faq .faq-tree__head > p:not(.site-kicker) {
  color: var(--color-text-dim);
  margin: 8px 0 0;
  max-width: 60ch;
}

.page-faq .faq-tree__layout {
  display: grid;
  gap: 36px;
}

.page-faq .faq-tree__list {
  list-style: none;
  margin: 0;
  padding: 12px 0 12px 36px;
  position: relative;
}

.page-faq .faq-tree__list::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-orange) 0%, var(--color-ice-deep) 100%);
}

.page-faq .faq-tree__node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  clip-path: var(--faq-clip);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-tree__node::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--color-ice);
  opacity: 0.7;
}

.page-faq .faq-tree__node::after {
  content: '';
  position: absolute;
  left: -30px;
  top: calc(50% - 5px);
  width: 10px;
  height: 10px;
  background: var(--color-orange);
  transform: rotate(45deg);
  opacity: 0.85;
}

.page-faq .faq-tree__node:hover,
.page-faq .faq-tree__node:focus-visible {
  border-color: var(--color-orange);
  background: var(--color-bg-deep);
}

.page-faq .faq-tree__num {
  font-family: var(--font-data);
  color: var(--color-orange);
  font-weight: 700;
}

.page-faq .faq-tree__label {
  flex: 1;
  font-weight: 600;
}

.page-faq .faq-tree__count {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-text-dim);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  padding: 2px 8px;
}

.page-faq .faq-tree__note {
  margin-top: 24px;
}

.page-faq .faq-tree__note p {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin: 12px 0 0;
  font-family: var(--font-data);
  line-height: 1.7;
}

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

.page-faq .faq-accordion {
  margin-bottom: 16px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  clip-path: var(--faq-clip);
}

.page-faq .faq-accordion[open] {
  border-color: rgba(0, 210, 255, 0.35);
}

.page-faq .faq-accordion:target {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255, 75, 43, 0.12);
}

.page-faq .faq-accordion summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1.05rem;
}

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

.page-faq .faq-accordion summary::marker {
  content: '';
}

.page-faq .faq-accordion summary::after {
  content: '+';
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-ice);
  transition: color 0.2s ease;
}

.page-faq .faq-accordion[open] summary::after {
  content: '−';
  color: var(--color-orange);
}

.page-faq .faq-accordion__num {
  font-family: var(--font-data);
  color: var(--color-orange);
  font-weight: 700;
}

.page-faq .faq-accordion__body {
  padding: 4px 20px 20px;
  border-top: 1px solid var(--color-line);
}

.page-faq .faq-accordion__body dl {
  margin: 0;
}

.page-faq .faq-accordion__body dt {
  margin-top: 16px;
  font-weight: 600;
  color: var(--color-ice);
}

.page-faq .faq-accordion__body dd {
  margin: 6px 0 0;
  color: var(--color-text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .faq-connect {
  padding: 48px 0 64px;
  border-top: 1px solid var(--color-line);
  background: linear-gradient(90deg, rgba(255, 75, 43, 0.05) 0%, transparent 50%, rgba(0, 210, 255, 0.05) 100%);
}

.page-faq .faq-connect__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-connect__intro h2 {
  margin: 0;
}

.page-faq .faq-connect__intro > p {
  color: var(--color-text-dim);
  margin: 12px 0 20px;
  max-width: 48ch;
}

.page-faq .faq-connect__intro .site-link-arrow {
  margin-left: 16px;
}

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

.page-faq .faq-connect__card {
  padding: 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  clip-path: var(--faq-clip);
}

.page-faq .faq-connect__label {
  display: block;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.page-faq .faq-connect__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-data);
  font-size: 1.05rem;
  color: var(--color-text);
}

.page-faq .faq-connect__note {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

@media (min-width: 768px) {
  .page-faq .faq-search__panel {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

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

  .page-faq .faq-hot__item:first-child {
    grid-column: 1 / -1;
    border-color: rgba(255, 75, 43, 0.4);
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 58fr 42fr;
    align-items: center;
    gap: 64px;
  }

  .page-faq .faq-hero__copy h1 {
    font-size: 2.8rem;
  }

  .page-faq .faq-tree__layout {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }

  .page-faq .faq-connect__grid {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }
}