.page-faq {
  --pf-line: rgba(11, 60, 93, 0.1);
  --pf-line-strong: rgba(11, 60, 93, 0.16);
  --pf-on-sea: rgba(253, 246, 238, 0.78);
  --pf-on-sea-dim: rgba(253, 246, 238, 0.66);
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-faq .pf-h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--sea);
}

.page-faq .pf-sub {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .pf-link {
  align-self: flex-start;
  display: inline-block;
  color: var(--sun-deep);
  font-weight: 500;
  font-size: 14.5px;
  text-decoration: none;
  padding-bottom: 3px;
  background-image: linear-gradient(var(--sun), var(--sun));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  transition: background-size 230ms var(--ease);
}

.page-faq .pf-link:hover,
.page-faq .pf-link:focus-visible {
  background-size: 100% 2px;
}

/* ---------- hero ---------- */
.page-faq .pf-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-5);
  padding: clamp(26px, 5vw, 56px) clamp(18px, 4vw, 52px) clamp(30px, 5vw, 62px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 8%, rgba(255, 107, 53, 0.24), rgba(255, 107, 53, 0) 58%),
    radial-gradient(circle at 12% 92%, rgba(232, 180, 74, 0.2), rgba(232, 180, 74, 0) 52%),
    linear-gradient(152deg, var(--paper) 0%, #FBEEE1 48%, var(--mist) 100%);
}

.page-faq .pf-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-faq .pf-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(28px, 5.1vw, 50px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--sea);
}

.page-faq .pf-hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .pf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .pf-hero-figure {
  margin: 0;
}

.page-faq .pf-devices {
  display: grid;
  grid-template-columns: 0.9fr 1.15fr 1.5fr;
  gap: clamp(6px, 1.6vw, 14px);
  align-items: end;
}

.page-faq .pf-device {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px 7px;
  border: 1.5px solid var(--sea);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.76);
}

.page-faq .pf-device--sm {
  border-color: rgba(11, 60, 93, 0.6);
}

.page-faq .pf-device--lg {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 24px rgba(11, 60, 93, 0.09);
}

.page-faq .pf-device-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-faq .pf-device-bar {
  display: block;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: var(--mist);
}

.page-faq .pf-device-bar--sun {
  width: 46%;
  background: var(--sun);
}

.page-faq .pf-device-bar--w80 {
  width: 80%;
}

.page-faq .pf-device-bar--w60 {
  width: 60%;
}

.page-faq .pf-hero-figure figcaption {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- start scenes ---------- */
.page-faq .pf-start {
  margin-bottom: var(--space-5);
}

.page-faq .pf-start-grid {
  display: grid;
  gap: 8px;
}

.page-faq .pf-start-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 0 10px;
  border-top: 2px solid var(--sand);
}

.page-faq .pf-start-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sun-deep);
}

.page-faq .pf-start-q {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--sea);
}

.page-faq .pf-start-a {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- categories ---------- */
.page-faq .pf-cats {
  margin-bottom: var(--space-5);
  padding: clamp(20px, 4vw, 48px);
  border-radius: var(--radius-lg);
  background: var(--mist);
}

.page-faq .pf-cats-figure {
  margin: 0 0 clamp(22px, 4vw, 38px);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(120deg, #EAF2F7 0%, #F7E6D8 100%);
}

.page-faq .pf-cats-figure img {
  width: 100%;
  object-fit: cover;
}

.page-faq .pf-cat-layout {
  display: grid;
  gap: 24px;
}

.page-faq .pf-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .pf-rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  background: rgba(255, 255, 255, 0.62);
  color: var(--sea);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .pf-rail-link:hover {
  background: var(--foam);
  border-left-color: var(--coral);
}

.page-faq .pf-rail-link[aria-current="true"] {
  background: var(--foam);
  border-left-color: var(--sun);
}

.page-faq .pf-rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sun-deep);
}

.page-faq .pf-rail-name {
  font-size: 14px;
  font-weight: 500;
}

.page-faq .pf-rail-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
}

.page-faq .pf-cat-list {
  display: grid;
  gap: 16px;
}

.page-faq .pf-cat {
  padding: clamp(16px, 2.4vw, 26px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 60, 93, 0.08);
  background: var(--foam);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .pf-cat-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.page-faq .pf-cat-num {
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sun-deep);
}

.page-faq .pf-cat-title {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--sea);
}

.page-faq .pf-cat-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .pf-cat-desc {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- details / answers ---------- */
.page-faq .pf-qa {
  border-top: 1px solid var(--pf-line);
  border-left: 3px solid transparent;
  padding-left: 0;
  transition: border-color 220ms var(--ease), padding-left 220ms var(--ease);
}

.page-faq .pf-qa[open] {
  border-left-color: var(--sun);
  padding-left: 14px;
}

.page-faq .pf-sum {
  position: relative;
  display: block;
  padding: 15px 34px 15px 0;
  font-size: 15px;
  line-height: 1.7;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 200ms var(--ease);
}

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

.page-faq .pf-sum::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--sun-deep);
}

.page-faq .pf-qa[open] > .pf-sum {
  color: var(--sea);
  font-weight: 700;
}

.page-faq .pf-qa[open] > .pf-sum::after {
  content: "−";
}

.page-faq .pf-answer {
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .pf-answer p {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-faq .pf-answer p + .pf-steps {
  margin-top: 12px;
}

.page-faq .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .pf-steps li {
  position: relative;
  padding: 0 0 14px 34px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .pf-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .pf-steps li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 24px;
  bottom: 0;
  width: 1px;
  background: var(--mist);
}

.page-faq .pf-steps li:last-child::before {
  display: none;
}

.page-faq .pf-step-num {
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sea);
}

.page-faq .pf-steps li:first-child .pf-step-num {
  background: var(--sun);
  color: var(--foam);
}

/* ---------- small screen ---------- */
.page-faq .pf-small {
  margin-bottom: var(--space-5);
  padding: clamp(24px, 4vw, 56px);
  border-radius: var(--radius-lg);
  background: var(--sea);
  color: var(--paper);
}

.page-faq .pf-small .mono-label {
  color: var(--sand);
}

.page-faq .pf-small .pf-h2 {
  color: var(--foam);
}

.page-faq .pf-small .pf-sub {
  color: var(--pf-on-sea);
}

.page-faq .pf-small-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-faq .pf-rules {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .pf-rule {
  display: flex;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(253, 246, 238, 0.2);
}

.page-faq .pf-rule-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-faq .pf-rule-title {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--foam);
}

.page-faq .pf-rule-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pf-on-sea-dim);
}

.page-faq .pf-small-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(253, 246, 238, 0.08);
}

.page-faq .pf-small-figure img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-faq .pf-small-figure figcaption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pf-on-sea-dim);
}

/* ---------- top questions ---------- */
.page-faq .pf-top {
  margin-bottom: var(--space-5);
}

.page-faq .pf-top-list {
  border-bottom: 1px solid var(--pf-line);
}

.page-faq .pf-top-list .pf-sum {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--sea);
}

.page-faq .pf-top-list .pf-qa[open] > .pf-sum {
  color: var(--sun-deep);
}

/* ---------- help ---------- */
.page-faq .pf-help {
  margin-bottom: var(--space-5);
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 53, 0.26);
  background:
    radial-gradient(circle at 92% 4%, rgba(255, 158, 138, 0.3), rgba(255, 158, 138, 0) 56%),
    linear-gradient(126deg, #FFF0E4 0%, var(--paper) 58%, #FBE9DA 100%);
}

.page-faq .pf-help-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .pf-help .pf-sub {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .pf-help-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .pf-help-item {
  display: grid;
  gap: 5px;
  padding-top: 14px;
  border-top: 1px solid rgba(11, 60, 93, 0.14);
}

.page-faq .pf-help-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sun-deep);
}

.page-faq .pf-help-value {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--sea);
  word-break: break-word;
}

.page-faq .pf-help-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .pf-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 20px;
  border-top: 1px solid rgba(11, 60, 93, 0.14);
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-faq .pf-start-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .pf-start-item:nth-child(2) {
    transform: translateY(14px);
  }

  .page-faq .pf-start-item:nth-child(3) {
    transform: translateY(6px);
  }

  .page-faq .pf-help-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .pf-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-faq .pf-small-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }
}

@media (min-width: 940px) {
  .page-faq .pf-cat-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .pf-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .pf-rail-link {
    flex: 1 1 auto;
    white-space: normal;
    width: 100%;
    padding: 11px 12px;
    background: rgba(255, 255, 255, 0.5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pf-link,
  .page-faq .pf-qa,
  .page-faq .pf-rail-link,
  .page-faq .pf-sum {
    transition: none;
  }
}
<<<END>>>