.page-faq {
  padding-block: clamp(18px, 2.4vw, 34px) clamp(44px, 6vw, 84px);
  color: var(--paper);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(16px, 2.2vw, 26px);
}

/* ---------- 页首 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(20px, 3vw, 38px) 0 clamp(18px, 2.6vw, 32px);
  margin-bottom: clamp(24px, 3.4vw, 44px);
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(220px, 46%);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 16ch;
  text-shadow: 0 0 28px rgba(23, 230, 255, 0.16);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--rock);
}

.page-faq .faq-hero__flags {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--rock);
}

.page-faq .faq-hero__flags li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.page-faq .faq-hero__flags li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(23, 230, 255, 0.7);
  flex: none;
}

/* ---------- 三步快查 ---------- */
.page-faq .faq-quick {
  margin-bottom: clamp(28px, 4vw, 54px);
}

.page-faq .faq-quick__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: 14px;
}

.page-faq .faq-quick__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-quick__head p {
  margin: 0;
  font-size: 13.5px;
  color: var(--rock);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--gap);
}

.page-faq .faq-step {
  position: relative;
  padding: 16px 16px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel), #0a0d14 72%);
  transition: border-color var(--ease), transform var(--ease);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, transparent 50%, rgba(23, 230, 255, 0.4) 50%);
}

.page-faq .faq-step:hover {
  border-color: rgba(23, 230, 255, 0.45);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
}

/* ---------- 索引 + 手风琴 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-index {
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  min-height: 40px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cyan);
  background: rgba(23, 230, 255, 0.07);
  border-color: rgba(23, 230, 255, 0.35);
}

.page-faq .faq-index__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: none;
}

.page-faq .faq-index__dot--cyan { background: var(--cyan); box-shadow: 0 0 8px rgba(23, 230, 255, 0.8); }
.page-faq .faq-index__dot--amber { background: var(--amber); box-shadow: 0 0 8px rgba(255, 176, 0, 0.75); }
.page-faq .faq-index__dot--magenta { background: var(--magenta); box-shadow: 0 0 8px rgba(255, 46, 147, 0.7); }
.page-faq .faq-index__dot--moss { background: var(--moss); box-shadow: 0 0 8px rgba(111, 143, 106, 0.8); }
.page-faq .faq-index__dot--clay { background: var(--clay); box-shadow: 0 0 8px rgba(196, 106, 74, 0.75); }

.page-faq .faq-index__links {
  display: none;
}

/* ---------- 分区 ---------- */
.page-faq .faq-panels {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.4vw, 28px);
  margin-bottom: clamp(28px, 4vw, 48px);
}

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

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  margin-bottom: 16px;
}

.page-faq .faq-section__no {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--amber);
  border: 1px solid rgba(255, 176, 0, 0.42);
  padding: 2px 7px;
  line-height: 1.6;
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 25px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-section__lede {
  flex-basis: 100%;
  margin: 2px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 16px;
}

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

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  background: rgba(17, 21, 31, 0.74);
  margin-bottom: 8px;
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .faq-item:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  min-height: 48px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--paper);
  transition: background var(--ease), color var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.1;
  color: var(--cyan);
  transition: color var(--ease);
}

.page-faq .faq-item summary:hover {
  background: rgba(23, 230, 255, 0.06);
  color: var(--cyan);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-item[open] {
  border-color: rgba(23, 230, 255, 0.42);
  background: rgba(19, 26, 36, 0.9);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--magenta);
}

.page-faq .faq-item__body {
  padding: 0 14px 15px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--rock);
}

.page-faq .faq-item__body p {
  margin: 0 0 8px;
}

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

/* ---------- 联系客服前 ---------- */
.page-faq .faq-ready {
  display: grid;
  gap: var(--gap);
}

.page-faq .faq-copybox {
  padding: 16px;
  border: 1px solid rgba(23, 230, 255, 0.28);
  background: linear-gradient(150deg, var(--deep-teal), var(--panel) 66%);
}

.page-faq .faq-copybox__title,
.page-faq .faq-channels__title {
  margin: 0 0 12px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-copybox__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-copybox__list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--paper);
}

.page-faq .faq-copybox__list li::before {
  content: "▸";
  color: var(--cyan);
  line-height: 1.5;
}

.page-faq .faq-copybox .btn {
  width: 100%;
}

.page-faq .faq-copybox .btn.is-copied {
  border-color: var(--moss);
  color: var(--moss);
}

.page-faq .faq-channels {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(17, 21, 31, 0.7);
}

.page-faq .faq-channels p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.82;
  color: var(--rock);
}

.page-faq .faq-channels p:last-of-type {
  margin-bottom: 16px;
}

.page-faq .faq-channels .mono {
  color: var(--amber);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.page-faq .faq-channels__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  font-size: 13.5px;
}

.page-faq .note {
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 920px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 22px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list a {
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 10px;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(23, 230, 255, 0.07);
  }

  .page-faq .faq-index__links {
    display: grid;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    font-size: 13px;
  }

  .page-faq .faq-index__links p {
    margin: 0 0 2px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--rock);
  }

  .page-faq .faq-copybox .btn {
    width: auto;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-section {
    padding-left: 4px;
  }

  .page-faq .faq-item summary {
    font-size: 15px;
    padding: 14px 16px;
  }

  .page-faq .faq-item__body {
    padding: 0 16px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-item summary,
  .page-faq .faq-index__list a {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>