.page-faq {
  --faq-cut: 14px;
  --faq-gap: clamp(18px, 2.4vw, 30px);
  display: block;
  color: var(--ink);
  overflow-x: clip;
}

.page-faq .shell {
  padding-bottom: clamp(40px, 6vw, 90px);
}

.page-faq .breadcrumb {
  margin-top: clamp(20px, 3vw, 40px);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-faq .breadcrumb__list a {
  color: var(--cyan-300);
  text-decoration: none;
}

.page-faq .breadcrumb__list a:hover {
  color: var(--ink);
}

.page-faq .breadcrumb__list [aria-current="page"] {
  color: var(--gray-300);
}

.page-faq .breadcrumb__sep {
  color: var(--line-strong);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 2.6vw, 34px);
  padding: clamp(22px, 3.2vw, 40px) 0 clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: 34%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-500));
}

.page-faq .faq-hero__text {
  max-width: 62ch;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 12px 0 16px;
}

.page-faq .faq-hero__lead {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--gray-300);
  margin: 0 0 20px;
}

.page-faq .faq-hero__chips {
  gap: 10px;
  margin-bottom: 22px;
}

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

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

/* ---------- section rhythm ---------- */
.page-faq .section {
  margin-top: clamp(44px, 6vw, 88px);
}

.page-faq .section__head {
  max-width: 78ch;
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-faq .section__lead {
  color: var(--gray-300);
  font-size: 16px;
  line-height: 1.78;
}

/* ---------- category cards ---------- */
.page-faq .cat-grid {
  gap: var(--faq-gap);
}

.page-faq .cat-card {
  padding: 22px 22px 18px;
  position: relative;
  overflow: hidden;
}

.page-faq .cat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--deep-500);
}

.page-faq .cat-card--cyan::before {
  background: linear-gradient(180deg, var(--cyan-500), var(--deep-500));
}

.page-faq .cat-card__n {
  display: block;
  font-size: 13px;
  color: var(--cyan-300);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.page-faq .cat-card__t {
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 800;
  margin: 0 0 10px;
}

.page-faq .cat-card__d {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-300);
}

.page-faq .cat-card__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
}

/* ---------- feedback path ---------- */
.page-faq .feedback-path {
  padding-top: clamp(24px, 3vw, 40px);
}

.page-faq .steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .steps__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--deep-700);
  border-left: 2px solid var(--cyan-500);
}

.page-faq .steps__n {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--cyan-300);
  padding-top: 2px;
}

.page-faq .steps__x {
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .fb-panel {
  padding: clamp(20px, 2.6vw, 30px);
  height: 100%;
}

.page-faq .fb-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .fb-panel__t {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  margin: 0;
}

.page-faq .fb-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .fb-track__i {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .fb-track__i:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .fb-track__k {
  font-size: 13px;
  color: var(--gold-500);
  letter-spacing: 0.06em;
}

.page-faq .fb-track__i strong {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  margin-bottom: 6px;
}

.page-faq .fb-track__i p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--gray-300);
}

/* ---------- QA layout ---------- */
.page-faq .qa-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .qa-side {
  background: var(--deep-700);
  border: 1px solid var(--line);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
  padding: 18px;
}

.page-faq .qa-side__t {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gray-300);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-faq .qa-side__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .qa-side__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--deep-500);
  border: 1px solid transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 12px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .qa-side__btn i {
  font-style: normal;
  font-size: 12px;
  color: var(--gray-300);
}

.page-faq .qa-side__btn:hover {
  border-color: var(--cyan-500);
  transform: translateX(2px);
}

.page-faq .qa-side__btn.is-active {
  background: linear-gradient(90deg, rgba(24, 199, 216, 0.24), rgba(18, 59, 92, 0.9));
  border-color: var(--cyan-500);
}

.page-faq .qa-side__btn.is-active i {
  color: var(--cyan-300);
}

.page-faq .qa-side__hint {
  font-size: 12px;
  margin: 14px 0 0;
}

.page-faq .qa-main {
  min-width: 0;
}

.page-faq .qa-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .qa-search__wrap {
  flex: 1 1 260px;
  display: block;
}

.page-faq .qa-search__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-300);
  margin-bottom: 8px;
}

.page-faq .qa-search__input {
  width: 100%;
  box-sizing: border-box;
  background: var(--deep-900);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .qa-search__input::placeholder {
  color: var(--gray-300);
}

.page-faq .qa-search__input:focus {
  border-color: var(--cyan-500);
  box-shadow: 0 0 0 3px rgba(24, 199, 216, 0.18);
}

.page-faq .qa-search__count {
  font-size: 12px;
  margin: 0;
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa-item {
  background: var(--deep-700);
  border: 1px solid var(--line);
  border-left: 3px solid var(--deep-500);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .qa-item[open] {
  border-left-color: var(--cyan-500);
  background: var(--deep-500);
}

.page-faq .qa-item[hidden] {
  display: none;
}

.page-faq .qa-item__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 16px 18px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .qa-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item__q:hover {
  color: var(--cyan-300);
}

.page-faq .qa-item__n {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--cyan-500);
  letter-spacing: 0.06em;
}

.page-faq .qa-item[open] .qa-item__n {
  color: var(--gold-500);
}

.page-faq .qa-item__a {
  padding: 0 18px 18px 46px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
}

.page-faq .qa-item__a p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--gray-300);
}

.page-faq .qa-item__tip {
  font-size: 12px;
  color: var(--gold-300);
}

.page-faq .qa-empty {
  padding: 22px;
  border: 1px dashed var(--line-strong);
  font-size: 13px;
  text-align: center;
}

/* ---------- big screen flow ---------- */
.page-faq .bs-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .bs-flow__art {
  position: relative;
}

.page-faq .bs-flow__art::after {
  content: "";
  position: absolute;
  inset: auto -1px -1px auto;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-500));
}

.page-faq .bs-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .bs-steps__i {
  position: relative;
  padding: 0 0 24px 30px;
  border-left: 1px dashed var(--line-strong);
}

.page-faq .bs-steps__i::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-500);
  box-shadow: 0 0 0 4px rgba(24, 199, 216, 0.16);
}

.page-faq .bs-steps__i--last {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-faq .bs-steps__i--last::before {
  background: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(231, 168, 62, 0.18);
}

.page-faq .bs-steps__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-300);
  margin-bottom: 6px;
}

.page-faq .bs-steps__i h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-faq .bs-steps__i p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--gray-300);
}

.page-faq .bs-note {
  margin-top: 22px;
  font-size: 12.5px;
  line-height: 1.7;
  padding-left: 14px;
  border-left: 2px solid var(--gold-500);
}

/* ---------- knowledge base table ---------- */
.page-faq .kb-table {
  border: 1px solid var(--line);
  background: var(--deep-700);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
  overflow-x: auto;
}

.page-faq .kb-table__head,
.page-faq .kb-row {
  display: grid;
  grid-template-columns: 84px 82px 82px minmax(180px, 1fr) 150px;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  min-width: 660px;
}

.page-faq .kb-table__head {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-300);
  background: var(--deep-900);
  border-bottom: 1px solid var(--line);
}

.page-faq .kb-row {
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  transition: background 0.2s var(--ease);
}

.page-faq .kb-row:last-child {
  border-bottom: 0;
}

.page-faq .kb-row:hover {
  background: var(--deep-500);
}

.page-faq .kb-row .status {
  margin-right: 6px;
  vertical-align: middle;
}

.page-faq .kb-links {
  margin-top: 22px;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- prepare ---------- */
.page-faq .prepare__actions {
  margin-top: 22px;
  display: grid;
  gap: 10px;
  max-width: 320px;
}

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

.page-faq .prep-list__i {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 18px;
  background: var(--deep-700);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .prep-list__i:hover {
  transform: translateX(3px);
  border-color: var(--cyan-500);
}

.page-faq .prep-list__k {
  font-size: 13px;
  color: var(--gold-500);
  letter-spacing: 0.06em;
}

.page-faq .prep-list__i h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 6px;
}

.page-faq .prep-list__i p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--gray-300);
}

/* ---------- trail ---------- */
.page-faq .trail-grid {
  gap: var(--faq-gap);
}

.page-faq .trail-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  padding: 22px;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .trail-card:hover {
  border-color: var(--cyan-500);
  transform: translateY(-3px);
}

.page-faq .trail-card__n {
  display: block;
  font-size: 12px;
  color: var(--cyan-300);
  margin-bottom: 10px;
}

.page-faq .trail-card h3 {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-faq .trail-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--gray-300);
}

/* ---------- bottom rail ---------- */
.page-faq .bottom-rail {
  margin-top: clamp(40px, 5vw, 70px);
  border-top: 2px solid var(--deep-500);
}

.page-faq .bottom-rail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  background: linear-gradient(90deg, rgba(24, 199, 216, 0.08), transparent 60%);
}

.page-faq .bottom-rail__text {
  flex: 1 1 320px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--gray-300);
}

.page-faq .bottom-rail__text strong {
  color: var(--ink);
  margin-right: 6px;
  letter-spacing: 0.06em;
}

.page-faq .bottom-rail__btn {
  flex: 0 0 auto;
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-faq .qa-side__list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-faq .qa-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .qa-side {
    position: sticky;
    top: 24px;
  }

  .page-faq .bs-flow {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .bs-flow__art {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 640px) {
  .page-faq .qa-item__a {
    padding-left: 18px;
  }

  .page-faq .qa-item__q {
    font-size: 15px;
    padding: 14px;
  }

  .page-faq .kb-table__head,
  .page-faq .kb-row {
    padding: 12px 14px;
  }

  .page-faq .prep-list__i {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-faq .fb-track__i {
    grid-template-columns: 34px 1fr;
    gap: 10px;
  }

  .page-faq .bottom-rail__btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat-card__d,
  .page-faq .qa-side__btn,
  .page-faq .qa-item,
  .page-faq .prep-list__i,
  .page-faq .trail-card,
  .page-faq .kb-row {
    transition: none;
  }

  .page-faq .prep-list__i:hover,
  .page-faq .trail-card:hover,
  .page-faq .qa-side__btn:hover {
    transform: none;
  }
}