.page-faq {
  --faq-banner-h: 210px;
  --faq-accent-border: rgba(0, 255, 135, 0.35);
  background: var(--primary-bg);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding-top: calc(var(--header-h, 76px) + 40px);
  padding-bottom: 24px;
  background:
    linear-gradient(rgba(0, 255, 135, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 135, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 82% 18%, rgba(0, 255, 135, 0.08), transparent 320px),
    var(--primary-bg);
  background-size: 34px 34px, 34px 34px, auto, auto;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-breadcrumb {
  margin-bottom: 32px;
}

.page-faq .faq-breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-low);
}

.page-faq .faq-breadcrumb__link {
  color: var(--text-mid);
  text-decoration: none;
  transition: var(--transition);
}

.page-faq .faq-breadcrumb__link:hover {
  color: var(--accent-green);
}

.page-faq .faq-breadcrumb__sep {
  margin: 0 2px;
  color: var(--text-low);
}

.page-faq .faq-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-faq .faq-hero__content {
  max-width: 820px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-faq .faq-hero__code {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-green);
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.25);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
}

.page-faq .faq-hero__badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent-orange);
  background: rgba(255, 106, 0, 0.08);
  border: 1px solid rgba(255, 106, 0, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-sans);
  font-size: clamp(28px, 5.2vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-high);
  margin: 0;
  max-width: 760px;
}

.page-faq .faq-hero__lead {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-mid);
  margin: 18px 0 0;
  max-width: 660px;
}

.page-faq .faq-jump {
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.page-faq .faq-jump__box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--primary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
  transition: var(--transition);
}

.page-faq .faq-jump__box:focus-within {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(0, 255, 135, 0.12);
}

.page-faq .faq-jump__icon {
  position: relative;
  width: 16px;
  height: 16px;
  border: 2px solid var(--accent-green);
  border-radius: 50%;
  flex-shrink: 0;
}

.page-faq .faq-jump__icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 2px;
  background: var(--accent-green);
  right: -8px;
  bottom: 0;
  transform: rotate(45deg);
  border-radius: 2px;
}

.page-faq .faq-jump__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-mid);
  white-space: nowrap;
}

.page-faq .faq-jump__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-high);
}

.page-faq .faq-jump__input::placeholder {
  color: var(--text-low);
}

.page-faq .faq-jump__hint {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-low);
}

.page-faq .faq-hero__banner {
  position: relative;
  margin-top: 36px;
  height: var(--faq-banner-h);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--secondary-bg);
}

.page-faq .faq-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-faq .faq-hero__banner-overlay {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(10, 14, 23, 0.76);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.page-faq .faq-hero__banner-tag {
  color: var(--accent-green);
}

.page-faq .faq-hero__banner-text {
  color: var(--text-mid);
}

/* ===== Guide / Categories ===== */
.page-faq .faq-guide {
  padding: 56px 0 32px;
}

.page-faq .faq-guide__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.page-faq .faq-guide__head-text {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-guide__title {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-high);
  margin: 0;
}

.page-faq .faq-guide__desc {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-mid);
  margin: 6px 0 0;
}

/* ===== Filter Radio ===== */
.page-faq .faq-filter-radio {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  pointer-events: none;
}

/* ===== Tabs ===== */
.page-faq .faq-tabs {
  position: sticky;
  top: calc(var(--header-h-scrolled, 60px) + 10px);
  z-index: 30;
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding: 10px;
  margin: 0 0 44px;
  background: rgba(17, 24, 39, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  scrollbar-width: none;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-mid);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.page-faq .faq-tab:hover {
  color: var(--text-high);
  background: rgba(255, 255, 255, 0.05);
}

.page-faq .faq-tab__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-faq #faq-filter-all:checked ~ .faq-tabs label[for="faq-filter-all"],
.page-faq #faq-filter-login:checked ~ .faq-tabs label[for="faq-filter-login"],
.page-faq #faq-filter-data:checked ~ .faq-tabs label[for="faq-filter-data"],
.page-faq #faq-filter-sub:checked ~ .faq-tabs label[for="faq-filter-sub"],
.page-faq #faq-filter-feedback:checked ~ .faq-tabs label[for="faq-filter-feedback"] {
  background: var(--accent-green);
  color: var(--primary-bg);
  border-color: var(--accent-green);
}

.page-faq .faq-filter-radio:focus-visible ~ .faq-tabs label[for="faq-filter-all"],
.page-faq .faq-filter-radio:focus-visible ~ .faq-tabs label[for="faq-filter-login"],
.page-faq .faq-filter-radio:focus-visible ~ .faq-tabs label[for="faq-filter-data"],
.page-faq .faq-filter-radio:focus-visible ~ .faq-tabs label[for="faq-filter-sub"],
.page-faq .faq-filter-radio:focus-visible ~ .faq-tabs label[for="faq-filter-feedback"] {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
}

/* ===== Filter list states ===== */
.page-faq #faq-filter-login:checked ~ .faq-hot .faq-item:not([data-tag="login"]),
.page-faq #faq-filter-data:checked ~ .faq-hot .faq-item:not([data-tag="data"]),
.page-faq #faq-filter-sub:checked ~ .faq-hot .faq-item:not([data-tag="sub"]),
.page-faq #faq-filter-feedback:checked ~ .faq-hot .faq-item:not([data-tag="feedback"]) {
  display: none;
}

/* ===== Hot Q&A ===== */
.page-faq .faq-hot {
  margin-top: 12px;
  margin-bottom: 56px;
}

.page-faq .faq-hot__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
}

.page-faq .faq-hot__head-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.page-faq .faq-hot__title {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-high);
  margin: 0;
}

.page-faq .faq-hot__desc {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-mid);
  margin: 0;
  max-width: 560px;
}

.page-faq .faq-hot__aside {
  display: none;
  flex-shrink: 0;
  text-align: center;
}

.page-faq .faq-hot__img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: block;
}

.page-faq .faq-hot__aside-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-mid);
  margin-top: 8px;
}

/* ===== FAQ List & Accordion ===== */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.page-faq .faq-item:hover {
  border-color: rgba(160, 174, 192, 0.28);
}

.page-faq .faq-item:has(.faq-details[open]) {
  background: var(--card-bg);
  border-color: var(--faq-accent-border);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
}

.page-faq .faq-details__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  padding: 20px 18px;
  transition: var(--transition);
}

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

.page-faq .faq-details__summary:hover .faq-details__q {
  color: var(--accent-green);
}

.page-faq .faq-details__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--accent-green);
  min-width: 30px;
  flex-shrink: 0;
}

.page-faq .faq-details__q {
  flex: 1;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-high);
  transition: var(--transition);
}

.page-faq .faq-details__type {
  display: none;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent-orange);
  border: 1px solid rgba(255, 106, 0, 0.38);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  white-space: nowrap;
}

.page-faq .faq-details__icon {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  flex-shrink: 0;
  transition: var(--transition);
}

.page-faq .faq-details__icon::before,
.page-faq .faq-details__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--text-mid);
  transition: var(--transition);
}

.page-faq .faq-details__icon::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
  border-radius: 2px;
}

.page-faq .faq-details__icon::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
  border-radius: 2px;
}

.page-faq .faq-details[open] .faq-details__icon {
  background: var(--accent-green);
  border-color: var(--accent-green);
  transform: rotate(180deg);
}

.page-faq .faq-details[open] .faq-details__icon::before,
.page-faq .faq-details[open] .faq-details__icon::after {
  background: var(--primary-bg);
}

.page-faq .faq-details[open] .faq-details__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-details__body {
  padding: 0 18px 24px 62px;
  animation: faq-fade 0.3s var(--ease-out);
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-details__body p {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-mid);
  border-left: 2px solid var(--faq-accent-border);
  padding-left: 16px;
  margin: 0;
}

/* ===== Support ===== */
.page-faq .faq-support {
  padding: 12px 0 72px;
}

.page-faq .faq-support__panel {
  display: grid;
  gap: 28px;
  background: linear-gradient(125deg, var(--accent-green), rgba(0, 255, 135, 0.86));
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-support__panel::before {
  content: "SUPPORT // 03";
  position: absolute;
  right: -8px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 60px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(10, 14, 23, 0.06);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-support__text {
  position: relative;
  z-index: 1;
}

.page-faq .faq-support__index .section-index__code {
  color: var(--primary-bg);
}

.page-faq .faq-support__index .section-index__line {
  background: var(--primary-bg);
}

.page-faq .faq-support__title {
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary-bg);
  margin: 14px 0 0;
  max-width: 560px;
}

.page-faq .faq-support__lead {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(10, 14, 23, 0.82);
  margin: 14px 0 0;
  max-width: 600px;
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-support__actions .button--primary {
  background: var(--primary-bg);
  color: var(--accent-green);
  border-color: transparent;
}

.page-faq .faq-support__actions .button--primary:hover {
  background: #101828;
  color: var(--accent-green);
}

.page-faq .faq-support__actions .button--outline {
  border-color: rgba(10, 14, 23, 0.42);
  color: var(--primary-bg);
}

.page-faq .faq-support__actions .button--outline:hover {
  border-color: var(--primary-bg);
  background: rgba(10, 14, 23, 0.06);
  color: var(--primary-bg);
}

.page-faq .faq-support__contacts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  position: relative;
  z-index: 1;
  background: rgba(10, 14, 23, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px;
}

.page-faq .faq-support__contact {
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.page-faq .faq-support__contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 6px;
}

.page-faq .faq-support__contact-value {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-high);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-support__contact-value:hover {
  color: var(--accent-green);
}

.page-faq .faq-support__contact-note {
  display: block;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-low);
  margin-top: 6px;
}

/* ===== Responsive ===== */
@media (min-width: 520px) {
  .page-faq .faq-hero__banner-overlay {
    left: 20px;
    bottom: 20px;
  }

  .page-faq .faq-support__panel {
    padding: 34px 30px;
  }

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

@media (min-width: 720px) {
  .page-faq {
    --faq-banner-h: 250px;
  }

  .page-faq .faq-hero {
    padding-top: calc(var(--header-h, 76px) + 56px);
  }

  .page-faq .faq-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: end;
    gap: 40px;
  }

  .page-faq .faq-hero__lead {
    margin-bottom: 4px;
  }

  .page-faq .faq-hot__aside {
    display: block;
  }

  .page-faq .faq-details__type {
    display: inline-flex;
    align-items: center;
  }

  .page-faq .faq-guide {
    padding: 68px 0 40px;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    --faq-banner-h: 280px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
  }

  .page-faq .faq-hero__banner {
    margin-top: 48px;
    border-radius: 28px;
  }

  .page-faq .faq-hot__desc {
    font-size: 15px;
  }

  .page-faq .faq-hot__img {
    width: 140px;
    height: 140px;
  }

  .page-faq .faq-details__q {
    font-size: 16px;
  }

  .page-faq .faq-details__body p {
    font-size: 15px;
  }

  .page-faq .faq-support__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 40px;
    padding: 44px 40px;
    border-radius: 30px;
  }
}