.page-faq {
  --faq-pad: clamp(16px, 4vw, 40px);
  --faq-line: rgba(30, 58, 95, 0.85);
  --faq-cyan-soft: rgba(0, 229, 255, 0.09);
  position: relative;
  color: var(--ice);
  font-family: var(--font-sans);
  background:
    radial-gradient(110% 70% at 82% -8%, rgba(123, 47, 247, 0.24), transparent 62%),
    radial-gradient(90% 55% at 2% 2%, rgba(0, 229, 255, 0.14), transparent 58%),
    var(--ink);
}

.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,
.page-faq a:focus-visible {
  text-decoration: underline;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 34px) var(--faq-pad) 0;
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet) 60%, transparent);
  opacity: 0.7;
}

.page-faq .faq-hero__glow {
  position: absolute;
  left: -10%;
  right: -10%;
  top: -30%;
  height: 560px;
  background: radial-gradient(48% 58% at 50% 50%, rgba(0, 229, 255, 0.2), rgba(123, 47, 247, 0.1) 45%, transparent 72%);
  pointer-events: none;
  filter: blur(4px);
}

.page-faq .faq-hero__inner {
  position: relative;
  max-width: var(--shell-w);
  margin: 0 auto;
  display: grid;
  gap: 26px;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--haze);
}

.page-faq .faq-crumb a[aria-current="page"] {
  color: var(--ice);
}

.page-faq .faq-eyebrow {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-faq h1 {
  margin: 14px 0 0;
  font-size: clamp(26px, 6.4vw, 50px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ice);
  text-shadow: 0 0 26px rgba(0, 229, 255, 0.18);
}

.page-faq .faq-lead {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--haze);
}

.page-faq .faq-meta li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-right: 20px;
  border-right: 1px solid var(--faq-line);
}

.page-faq .faq-meta li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-meta .mono {
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__visual {
  position: relative;
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
  box-shadow: 0 24px 60px -34px rgba(0, 229, 255, 0.55);
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(10, 14, 26, 0.28) 0 2px, transparent 2px 4px);
  pointer-events: none;
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
  opacity: 0.85;
}

.page-faq .faq-chips {
  position: relative;
  max-width: var(--shell-w);
  margin: 26px auto 0;
  padding: 0 0 26px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  color: var(--ice);
  white-space: nowrap;
  border: 1px solid var(--faq-line);
  background: rgba(17, 26, 46, 0.7);
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-chip .mono {
  font-size: 11px;
  color: var(--amber);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  text-decoration: none;
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.08);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 30px var(--faq-pad) 68px;
  display: grid;
  gap: 26px;
}

.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--cyan);
  background: rgba(17, 26, 46, 0.72);
  padding: 16px 14px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--haze);
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: var(--steel);
  color: #4f6f92;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible,
.page-faq .faq-index__link.is-active {
  text-decoration: none;
  color: var(--ice);
  background: rgba(0, 229, 255, 0.07);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__link.is-active .mono,
.page-faq .faq-index__link[aria-current] .mono {
  color: var(--cyan);
}

.page-faq .faq-index__foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-index__note {
  margin: 0 0 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--haze);
}

.page-faq .faq-mini {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--ink);
  background: var(--cyan);
  border: 1px solid var(--cyan);
  font-weight: 700;
}

.page-faq .faq-mini:hover,
.page-faq .faq-mini:focus-visible {
  text-decoration: none;
  background: var(--ice);
  border-color: var(--ice);
}

.page-faq .faq-stream {
  display: grid;
  gap: 30px;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--faq-line);
  min-width: 0;
}

.page-faq .faq-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 74px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-faq .faq-block__head h2 {
  margin: 12px 0 0;
  font-size: clamp(21px, 4.4vw, 32px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ice);
}

.page-faq .faq-block__intro {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-cols {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

/* ---------- 三步步骤条 ---------- */
.page-faq .trace {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .trace__step {
  position: relative;
  padding: 16px 14px 14px;
  border: 1px solid var(--faq-line);
  background: linear-gradient(158deg, rgba(0, 229, 255, 0.09), rgba(17, 26, 46, 0.78) 46%, rgba(17, 26, 46, 0.55));
}

.page-faq .trace__step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 66%, transparent);
}

.page-faq .trace__no {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 8px;
}

.page-faq .trace__step h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

.page-faq .trace__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .faq-shot {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  max-height: 420px;
}

.page-faq .faq-shot figcaption {
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--haze);
  border-top: 1px solid var(--faq-line);
  background: rgba(10, 14, 26, 0.6);
}

/* ---------- 问答卡 ---------- */
.page-faq .qa-list {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--faq-line);
  background: rgba(17, 26, 46, 0.55);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(0, 229, 255, 0.42);
}

.page-faq .qa[open] {
  border-color: rgba(0, 229, 255, 0.55);
  background: rgba(17, 26, 46, 0.92);
  box-shadow: 0 18px 44px -34px rgba(0, 229, 255, 0.9);
}

.page-faq .qa__summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__no {
  flex: none;
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--ice);
}

.page-faq .qa[open] .qa__q {
  color: var(--cyan);
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 14px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--haze);
}

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

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

.page-faq .qa__body ul {
  margin: 8px 0 0;
  padding-left: 18px;
  list-style: none;
}

.page-faq .qa__body ul li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 6px;
}

.page-faq .qa__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--violet);
}

.page-faq .qa__body .mono {
  color: var(--ice);
  word-break: break-all;
}

.page-faq .faq-tip {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 179, 0, 0.07);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 反馈材料清单 ---------- */
.page-faq .faq-facts {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-facts li {
  position: relative;
  padding: 10px 12px 10px 30px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ice);
  border: 1px solid var(--faq-line);
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.06), rgba(17, 26, 46, 0.6));
}

.page-faq .faq-facts li::before {
  content: "+";
  position: absolute;
  left: 11px;
  top: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-more__link {
  display: grid;
  gap: 3px;
  padding: 14px;
  border: 1px solid var(--faq-line);
  border-right: 3px solid var(--violet);
  background: rgba(17, 26, 46, 0.55);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-more__link .mono {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--haze);
}

.page-faq .faq-more__link strong {
  font-size: 15px;
  color: var(--ice);
}

.page-faq .faq-more__link span:last-child {
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

.page-faq .faq-more__link:hover,
.page-faq .faq-more__link:focus-visible {
  text-decoration: none;
  border-color: var(--cyan);
  border-right-color: var(--pink);
  background: rgba(0, 229, 255, 0.08);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-hero__visual img {
    height: 260px;
  }

  .page-faq .trace {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-more {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa__summary {
    padding: 15px 18px;
  }

  .page-faq .qa__q {
    font-size: 15px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 40px;
  }

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

  .page-faq .faq-hero__visual img {
    height: 300px;
  }

  .page-faq .faq-cols {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }

  .page-faq .faq-shot img {
    max-height: 380px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding-top: 38px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>