.page-faq {
  --faq-rail: 188px;
  --faq-line: var(--ink-700);
  background: var(--ink-900);
  color: var(--paper-0);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.72;
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

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

.page-faq a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .breadcrumbs a {
  color: var(--muted);
}

.page-faq .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  line-height: 1.5;
  white-space: nowrap;
}

.page-faq .tag--ok { color: var(--ok); }
.page-faq .tag--cyan { color: var(--cyan); }
.page-faq .tag--signal { color: var(--signal); }
.page-faq .tag--alert { color: var(--alert); }

/* ---------- hero ---------- */

.page-faq .faq-hero {
  padding: clamp(84px, 12vw, 116px) 0 clamp(26px, 4vw, 42px);
  border-bottom: 1px solid var(--faq-line);
  background: var(--ink-900);
}

.page-faq .faq-hero h1 {
  margin: 20px 0 0;
  max-width: 20ch;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.95rem, 6.2vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--paper-0);
}

.page-faq .faq-hero h1::before {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-bottom: 18px;
  background: var(--signal);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--paper-1);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__meta .tag {
  color: var(--muted);
}

.page-faq .faq-hero__meta .tag--ok { color: var(--ok); }
.page-faq .faq-hero__meta .tag--cyan { color: var(--cyan); }
.page-faq .faq-hero__meta .tag--signal { color: var(--signal); }

/* ---------- layout ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-top: 10px;
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-faq .faq-layout > * {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
}

/* ---------- toc ---------- */

.page-faq .faq-toc {
  padding: 14px 0 18px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 2px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-toc__list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
  color: var(--paper-1);
  font-size: 13.5px;
  white-space: nowrap;
  transition: border-color var(--dur) ease, color var(--dur) ease, background var(--dur) ease;
}

.page-faq .faq-toc__list a:hover {
  border-color: var(--signal);
  color: var(--signal);
  text-decoration: none;
}

.page-faq .faq-toc__num {
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

@media (min-width: 960px) {
  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    padding: 4px 0 4px 18px;
    border-bottom: 0;
    border-left: 1px solid var(--faq-line);
  }

  .page-faq .faq-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc__list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-toc__list a {
    display: flex;
    min-height: 0;
    padding: 7px 8px 7px 0;
    border: 0;
    background: transparent;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-toc__list a:hover {
    color: var(--signal);
  }
}

/* ---------- section shell ---------- */

.page-faq .faq-section {
  padding: clamp(28px, 4vw, 46px) 0;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 104px;
}

.page-faq .faq-body > .faq-section:first-child {
  border-top: 0;
  padding-top: 18px;
}

.page-faq .sec-head {
  margin: 0 0 20px;
}

.page-faq .sec-kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-faq .sec-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.32rem, 3.4vw, 1.95rem);
  line-height: 1.28;
  letter-spacing: -0.004em;
  color: var(--paper-0);
}

.page-faq .sec-lede {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- quick check ---------- */

.page-faq .check-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .check-item {
  background: var(--ink-800);
  padding: 20px;
}

.page-faq .check-item__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .check-item h3 {
  margin: 0 0 8px;
  font-size: 15.5px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--paper-0);
}

.page-faq .check-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-faq .check-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- steps ---------- */

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

.page-faq .step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .steps li.step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .step__num {
  font-family: var(--font-num);
  font-size: 25px;
  line-height: 1;
  color: var(--signal);
  padding-top: 2px;
}

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

.page-faq .step__title {
  margin: 0 0 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper-0);
}

.page-faq .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- figures ---------- */

.page-faq .shot {
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .shot--phone {
  max-width: 300px;
}

.page-faq .shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
}

.page-faq .shot figcaption {
  margin-top: 8px;
  font-family: var(--font-num);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- sub check layout ---------- */

.page-faq .subcheck {
  display: grid;
  gap: 24px;
}

@media (min-width: 960px) {
  .page-faq .subcheck {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 32px;
  }

  .page-faq .subcheck .shot {
    margin-top: 4px;
  }
}

/* ---------- system switch ---------- */

.page-faq .sys-block {
  position: relative;
  margin-top: 4px;
}

.page-faq .sys-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .sys-switch {
  display: inline-flex;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
}

.page-faq .sys-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 22px;
  font-family: var(--font-num);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--paper-1);
  cursor: pointer;
  transition: background var(--dur) ease, color var(--dur) ease;
}

.page-faq .sys-label + .sys-label {
  border-left: 1px solid var(--faq-line);
}

.page-faq .sys-label::before {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  background: var(--ink-700);
}

.page-faq .sys-label:hover {
  color: var(--signal);
}

.page-faq #sys-android:checked ~ .sys-switch .sys-label[for="sys-android"],
.page-faq #sys-ios:checked ~ .sys-switch .sys-label[for="sys-ios"] {
  background: var(--signal);
  color: var(--ink-900);
}

.page-faq #sys-android:checked ~ .sys-switch .sys-label[for="sys-android"]::before,
.page-faq #sys-ios:checked ~ .sys-switch .sys-label[for="sys-ios"]::before {
  background: var(--ink-900);
}

.page-faq #sys-android:focus-visible ~ .sys-switch .sys-label[for="sys-android"],
.page-faq #sys-ios:focus-visible ~ .sys-switch .sys-label[for="sys-ios"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .sys-panel {
  display: none;
  padding-top: 24px;
}

.page-faq #sys-android:checked ~ .sys-panel--android {
  display: block;
}

.page-faq #sys-ios:checked ~ .sys-panel--ios {
  display: block;
}

.page-faq .sys-title {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--paper-0);
}

/* ---------- search issues ---------- */

.page-faq .search-wrap {
  display: grid;
  gap: 24px;
}

.page-faq .search-wrap > * {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-faq .search-wrap {
    grid-template-columns: minmax(0, 1fr) 286px;
    align-items: start;
    gap: 32px;
  }

  .page-faq .search-wrap .shot {
    margin-top: 4px;
  }
}

.page-faq .issue-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .issue {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  background: var(--ink-800);
}

.page-faq .issue__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.page-faq .issue h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper-0);
}

.page-faq .issue p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .issue__fix {
  margin-top: auto;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-size: 13.5px !important;
  line-height: 1.7 !important;
  color: var(--paper-1) !important;
}

@media (min-width: 720px) {
  .page-faq .issue-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- reminders ---------- */

.page-faq .rem-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-line);
  background: var(--faq-line);
}

.page-faq .rem {
  padding: 18px;
  background: var(--ink-800);
}

.page-faq .rem__time {
  display: block;
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .rem h3 {
  margin: 8px 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper-0);
}

.page-faq .rem p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-faq .rem-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- contact prep ---------- */

.page-faq .prep-grid {
  display: grid;
  gap: 24px;
}

.page-faq .prep-grid > * {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-faq .prep-grid {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
    gap: 32px;
  }
}

.page-faq .prep-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-1);
}

.page-faq .prep-list b {
  font-family: var(--font-num);
  font-weight: 500;
  color: var(--signal);
}

.page-faq .tpl-box {
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
}

.page-faq .tpl-box__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--faq-line);
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .tpl {
  margin: 0;
  padding: 14px;
  border-left: 3px solid var(--cyan);
  overflow-x: auto;
  font-family: var(--font-num);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--paper-1);
  white-space: pre-wrap;
  word-break: break-word;
}

.page-faq .copy-btn {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  min-height: 34px;
}

.page-faq .contact-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--signal);
  background: var(--ink-800);
}

.page-faq .contact-row {
  display: grid;
  gap: 5px;
  justify-items: start;
}

.page-faq .contact-row__label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .contact-row__val {
  font-family: var(--font-num);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--paper-0);
  word-break: break-all;
}

.page-faq .contact-card__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .copy-status {
  display: block;
  min-height: 1em;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- qa ---------- */

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

.page-faq .qa {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-line);
  background: var(--ink-800);
  transition: border-color var(--dur) ease;
}

.page-faq .qa[open] {
  border-left-color: var(--signal);
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper-0);
}

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

.page-faq .qa__q::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--signal);
  flex: 0 0 auto;
}

.page-faq .qa[open] .qa__q::after {
  content: "\2013";
}

.page-faq .qa__q:hover {
  color: var(--signal);
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0;
}

/* ---------- section foot links ---------- */

.page-faq .sec-foot {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .sec-foot a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--faq-line);
  background: transparent;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper-0);
  transition: border-color var(--dur) ease, color var(--dur) ease, background var(--dur) ease;
}

.page-faq .sec-foot a::after {
  content: "\2192";
  color: var(--signal);
}

.page-faq .sec-foot a:hover {
  border-color: var(--signal);
  color: var(--signal);
  background: var(--ink-800);
  text-decoration: none;
}

/* ---------- tail ---------- */

.page-faq .faq-tail {
  display: grid;
  gap: 16px;
  margin-top: 12px;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--signal);
  background: var(--ink-800);
}

.page-faq .faq-tail__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  line-height: 1.35;
  color: var(--paper-0);
}

.page-faq .faq-tail__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-faq .faq-tail {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc__list a,
  .page-faq .sys-label,
  .page-faq .qa,
  .page-faq .sec-foot a {
    transition: none;
  }
}
<<<END>>>