.page-faq {
  --faq-pad: clamp(36px, 5.5vw, 80px);
  --faq-radius: 2px;
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(28px, 4vw, 52px) 0 var(--faq-pad);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 56px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(34px, 7vw, 74px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__title span {
  font-weight: 700;
  color: var(--signal);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.page-faq .faq-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-hero__meta-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 500;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__meta-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hair);
}

.page-faq .faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 5vw, 80px);
  }
}

/* ---------- 一句话速答 ---------- */
.page-faq .faq-shortcuts {
  padding: var(--faq-pad) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section-title {
  margin: 0 0 24px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-shortcuts__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-shortcuts__list > li {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-shortcuts__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
  padding: 17px 12px 17px 14px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-shortcuts__item:hover,
.page-faq .faq-shortcuts__item:focus-visible {
  background: var(--ink-800);
  border-left-color: var(--signal);
  outline: none;
}

.page-faq .faq-shortcuts__q {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  font-weight: 500;
}

.page-faq .faq-shortcuts__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-faq .faq-shortcuts__a {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

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

@media (min-width: 820px) {
  .page-faq .faq-shortcuts__item {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.6fr) 74px;
    align-items: baseline;
    gap: 26px;
    padding-left: 18px;
  }
  .page-faq .faq-shortcuts__go {
    text-align: right;
  }
}

/* ---------- 双栏问答 ---------- */
.page-faq .faq-manual {
  padding: var(--faq-pad) 0;
}

.page-faq .faq-manual__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

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

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  margin-left: -1px;
  padding: 8px 10px 8px 13px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--signal);
  background: var(--ink-800);
  outline: none;
}

.page-faq .faq-manual__inner:has(#q01-panel:not([hidden])) [data-q="q01"],
.page-faq .faq-manual__inner:has(#q02-panel:not([hidden])) [data-q="q02"],
.page-faq .faq-manual__inner:has(#q03-panel:not([hidden])) [data-q="q03"],
.page-faq .faq-manual__inner:has(#q04-panel:not([hidden])) [data-q="q04"],
.page-faq .faq-manual__inner:has(#q05-panel:not([hidden])) [data-q="q05"],
.page-faq .faq-manual__inner:has(#q06-panel:not([hidden])) [data-q="q06"],
.page-faq .faq-manual__inner:has(#q07-panel:not([hidden])) [data-q="q07"],
.page-faq .faq-manual__inner:has(#q08-panel:not([hidden])) [data-q="q08"],
.page-faq .faq-manual__inner:has(#q09-panel:not([hidden])) [data-q="q09"],
.page-faq .faq-manual__inner:has(#q10-panel:not([hidden])) [data-q="q10"],
.page-faq .faq-manual__inner:has(#q11-panel:not([hidden])) [data-q="q11"],
.page-faq .faq-manual__inner:has(#q12-panel:not([hidden])) [data-q="q12"] {
  color: var(--paper);
  border-left-color: var(--violet);
  background: var(--ink-800);
}

@media (min-width: 1000px) {
  .page-faq .faq-manual__inner {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--bar) - 56px);
    overflow-y: auto;
  }
}

/* ---------- 答案区 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4vw, 52px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__media {
  margin: 22px 0 4px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hair);
}

.page-faq .faq-group__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-answers .accordion {
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-qhead {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 13px;
  align-items: start;
  width: 100%;
  padding: 17px 2px 17px 0;
  background: none;
  border: 0;
  color: var(--paper);
  font: inherit;
  font-size: 15.5px;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s var(--ease);
}

.page-faq .accordion__trigger:hover,
.page-faq .accordion__trigger:focus-visible {
  color: var(--signal);
  outline: none;
}

.page-faq .accordion__trigger[aria-expanded="true"] {
  color: var(--signal);
}

.page-faq .faq-qnum {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
  padding-top: 5px;
}

.page-faq .faq-qtext {
  font-weight: 500;
  min-width: 0;
}

.page-faq .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
}

.page-faq .accordion__panel {
  padding-bottom: 4px;
}

.page-faq .faq-answer {
  border-top: 1px solid var(--signal);
  padding: 18px 2px 22px 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
}

.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-answer a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 255, 140, 0.35);
  transition: border-color 0.15s var(--ease);
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  border-bottom-color: var(--signal);
  outline: none;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--signal);
  padding-top: 3px;
}

/* ---------- 三类红牌图例 ---------- */
.page-faq .faq-legend {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 16px 0 18px;
}

.page-faq .faq-legend__item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 4px 10px;
  align-items: start;
  padding-top: 11px;
  border-top: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-legend__item strong {
  color: var(--paper);
  font-weight: 500;
  font-size: 13.5px;
}

.page-faq .faq-legend__item span:last-child {
  grid-column: 2;
}

.page-faq .faq-legend__swatch {
  grid-row: 1 / span 2;
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: var(--faq-radius);
  display: block;
}

.page-faq .faq-legend__item--red {
  border-top-color: var(--alert);
}
.page-faq .faq-legend__item--red .faq-legend__swatch {
  background: var(--alert);
}

.page-faq .faq-legend__item--amber {
  border-top-color: var(--amber);
}
.page-faq .faq-legend__item--amber .faq-legend__swatch {
  background: var(--amber);
}

.page-faq .faq-legend__item--cold {
  border-top-color: var(--cold);
}
.page-faq .faq-legend__item--cold .faq-legend__swatch {
  background: var(--cold);
}

@media (min-width: 620px) {
  .page-faq .faq-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  padding: var(--faq-pad) 0;
  border-top: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-next__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.page-faq .faq-next__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-next__text {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

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

@media (min-width: 900px) {
  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
  .page-faq .faq-next__actions {
    flex-wrap: nowrap;
  }
}
<<<END>>>