.page-faq {
  --faq-gap: clamp(20px, 4vw, 36px);
  --faq-hair: rgba(42, 50, 60, 1);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-faq .tut-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 52px) 0 clamp(34px, 6vw, 64px);
}

.page-faq .tut-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(239, 231, 216, .045) 0 1px,
    transparent 1px 5px
  );
  pointer-events: none;
}

.page-faq .tut-hero > .yg-container {
  position: relative;
}

.page-faq .tut-hero__title {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.05rem, 7.2vw, 4.4rem);
  line-height: 1.07;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  color: var(--paper);
  max-width: 20ch;
}

.page-faq .tut-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.125rem);
  line-height: 1.78;
}

.page-faq .tut-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-faq .tut-hero__facts li {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.6;
}

.page-faq .tut-fact__num {
  color: var(--cyan);
  font-weight: 700;
  font-size: 1.05rem;
  margin-right: 7px;
}

.page-faq .tut-quicknav {
  margin-top: 30px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-faq .tut-quicknav a {
  flex: 0 0 auto;
  font-size: .8rem;
  letter-spacing: .05em;
  padding: 9px 16px;
  border: 2px solid var(--iron);
  border-radius: var(--pill);
  background: var(--archive);
  color: var(--paper);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-faq .tut-quicknav a:hover,
.page-faq .tut-quicknav a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .tut-sec {
  position: relative;
  padding: clamp(44px, 7vw, 84px) 0;
  border-top: 1px solid var(--iron);
}

.page-faq .tut-sec::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 76px;
  height: 4px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--y2021), var(--y2023), var(--y2024));
}

.page-faq .tut-sec__head {
  max-width: 76ch;
}

.page-faq .tut-sec__num {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--cyan);
  background: var(--archive);
  border: 2px solid var(--iron);
  border-radius: var(--r-sm);
  padding: 4px 11px;
  line-height: 1.2;
}

.page-faq .tut-sec__title {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(1.45rem, 4vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 16px 0 0;
  color: var(--paper);
}

.page-faq .tut-sec__lead {
  margin: 14px 0 0;
  max-width: 68ch;
  color: var(--muted);
  line-height: 1.78;
}

.page-faq .tut-sec__lead a,
.page-faq .tut-steps__body a,
.page-faq .tut-brtable__note a,
.page-faq .tut-after a,
.page-faq .tut-help__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .tut-figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
}

.page-faq .tut-figure--side {
  margin-top: 0;
}

.page-faq .tut-figure figcaption {
  margin-top: 10px;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.6;
}

.page-faq .tut-steps {
  list-style: none;
  margin: clamp(26px, 4.5vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .tut-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 15px;
  background: var(--archive);
  border: 2px solid var(--iron);
  border-left: 6px solid var(--y2023);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-hard-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-left-color .2s ease;
}

.page-faq .tut-steps__item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, .5);
  border-left-color: var(--cyan);
}

.page-faq .tut-steps__idx {
  color: var(--cyan);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
}

.page-faq .tut-steps__body h3 {
  margin: 0;
  font-family: var(--body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

.page-faq .tut-steps__body p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.72;
}

.page-faq .tut-browser-grid {
  margin-top: clamp(24px, 4vw, 36px);
  display: grid;
  gap: clamp(24px, 4vw, 34px);
}

.page-faq .tut-brtable-wrap {
  overflow-x: auto;
  border: 2px solid var(--iron);
  border-radius: var(--r-sm);
  background: var(--archive);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .tut-brtable {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
}

.page-faq .tut-brtable__cap {
  text-align: left;
  padding: 14px 16px 10px;
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--muted);
  border-bottom: 1px solid var(--iron);
}

.page-faq .tut-brtable th,
.page-faq .tut-brtable td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--iron);
}

.page-faq .tut-brtable thead th {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--muted);
  background: rgba(42, 50, 60, .55);
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .tut-brtable td:first-child {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
  font-size: .9rem;
}

.page-faq .tut-brtable td:nth-child(2) {
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.65;
}

.page-faq .tut-brtable tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .tut-brtable tbody tr:hover td {
  background: rgba(53, 240, 220, .06);
}

.page-faq .bs-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 4px 11px;
  border: 2px solid currentColor;
  border-radius: var(--pill);
  white-space: nowrap;
  line-height: 1.4;
}

.page-faq .bs-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-faq .bs-badge--ok { color: var(--cyan); }
.page-faq .bs-badge--mid { color: var(--muted); }
.page-faq .bs-badge--warn { color: var(--signal); }

.page-faq .tut-legend {
  margin-top: clamp(20px, 3.5vw, 28px);
  display: grid;
  gap: 10px;
  border-left: 4px solid var(--iron);
  padding-left: 16px;
}

.page-faq .tut-legend p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.7;
}

.page-faq .tut-legend .bs-badge {
  margin-right: 6px;
  vertical-align: 1px;
}

.page-faq .tut-brtable__note {
  margin: clamp(20px, 3.5vw, 28px) 0 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.78;
}

.page-faq .tut-flow {
  list-style: none;
  margin: clamp(26px, 4.5vw, 40px) 0 0;
  padding: 0 0 0 6px;
  display: grid;
  gap: 0;
  position: relative;
}

.page-faq .tut-flow::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 12px;
  bottom: 22px;
  width: 2px;
  background: linear-gradient(180deg, var(--y2021), var(--y2022), var(--y2023), var(--y2024));
  opacity: .75;
}

.page-faq .tut-flow__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 0 0 26px 0;
}

.page-faq .tut-flow__item:last-child {
  padding-bottom: 0;
}

.page-faq .tut-flow__dot {
  position: relative;
  z-index: 1;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  color: var(--cyan);
  font-weight: 700;
  font-size: .92rem;
}

.page-faq .tut-flow__body {
  padding-top: 4px;
}

.page-faq .tut-flow__body h3 {
  margin: 0;
  font-family: var(--body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

.page-faq .tut-flow__body p {
  margin: 8px 0 0;
  max-width: 66ch;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
}

.page-faq .tut-env {
  margin-top: clamp(24px, 4vw, 36px);
  display: grid;
  gap: 18px;
}

.page-faq .tut-env__card {
  background: var(--archive);
  border: 2px solid var(--iron);
  border-radius: var(--r-md);
  padding: 22px 20px 24px;
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .tut-env__card::before {
  content: "";
  display: block;
  height: 4px;
  border-radius: var(--pill);
  margin-bottom: 18px;
}

.page-faq .tut-env__card--client::before {
  background: linear-gradient(90deg, var(--y2021), var(--y2022));
}

.page-faq .tut-env__card--web::before {
  background: linear-gradient(90deg, var(--y2023), var(--y2024));
}

.page-faq .tut-env__card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .tut-env__kicker {
  margin: 8px 0 0;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .tut-env__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .tut-env__list li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.72;
}

.page-faq .tut-env__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .tut-qa {
  margin-top: clamp(22px, 4vw, 32px);
}

.page-faq .tut-q {
  border: 2px solid var(--iron);
  border-left: 6px solid var(--iron);
  border-radius: var(--r-sm);
  background: var(--archive);
  margin-top: 14px;
  transition: border-left-color .22s ease, transform .22s ease, box-shadow .22s ease;
}

.page-faq .tut-q[open] {
  border-left-color: var(--signal);
  transform: translateX(2px);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .tut-q__sum {
  cursor: pointer;
  padding: 16px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

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

.page-faq .tut-q__sum::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--signal);
  line-height: 1;
}

.page-faq .tut-q[open] .tut-q__sum::after {
  content: "−";
}

.page-faq .tut-q__ans {
  padding: 0 18px 18px;
}

.page-faq .tut-q__ans p {
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.78;
}

.page-faq .tut-help {
  margin-top: clamp(24px, 4vw, 36px);
  background: var(--archive);
  border: 2px solid var(--iron);
  border-radius: var(--r-md);
  padding: clamp(22px, 4vw, 32px);
  box-shadow: var(--shadow-hard);
}

.page-faq .tut-help__cols {
  display: grid;
  gap: clamp(24px, 4vw, 34px);
}

.page-faq .tut-help__col h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .tut-help__col .tut-env__list {
  margin-top: 14px;
}

.page-faq .tut-help .yg-contact-row {
  margin-top: 12px;
}

.page-faq .tut-help__note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.72;
}

.page-faq .tut-copyblock {
  margin-top: clamp(22px, 4vw, 30px);
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  background: var(--ink);
  border: 2px dashed var(--iron);
  border-radius: var(--r-sm);
}

.page-faq .tut-copyblock__label {
  margin: 0;
  flex: 1 1 220px;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.6;
}

.page-faq .tut-copyblock__code {
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--amber);
  line-height: 1.2;
}

.page-faq .tut-after {
  margin: clamp(24px, 4vw, 34px) 0 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.8;
}

@media (min-width: 720px) {
  .page-faq .tut-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
  }

  .page-faq .tut-env {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

@media (min-width: 960px) {
  .page-faq .tut-browser-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-faq .tut-flow {
    padding-left: 10px;
  }

  .page-faq .tut-flow::before {
    left: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-quicknav a,
  .page-faq .tut-steps__item,
  .page-faq .tut-q {
    transition: none;
  }

  .page-faq .tut-quicknav a:hover,
  .page-faq .tut-quicknav a:focus-visible,
  .page-faq .tut-steps__item:hover,
  .page-faq .tut-q[open] {
    transform: none;
  }
}