.page-faq {
  --faq-gap: clamp(18px, 2.6vw, 32px);
  --faq-line-soft: rgba(22, 64, 92, .75);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 520px at 90% -12%, rgba(255, 90, 31, .16), transparent 62%),
    radial-gradient(700px 460px at -10% 26%, rgba(34, 211, 197, .09), transparent 66%),
    repeating-linear-gradient(to right, rgba(22, 64, 92, .32) 0 1px, transparent 1px 104px);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 4vw, 54px);
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero .eyebrow {
  color: var(--lava);
}

.page-faq .faq-hero-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ice);
  margin: .32em 0 .38em;
}

.page-faq .faq-hero-title span {
  display: block;
  color: var(--lava);
}

.page-faq .faq-lede {
  max-width: 60ch;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: var(--text-soft);
  margin: 0;
}

/* 搜索 */
.page-faq .faq-search {
  display: flex;
  align-items: stretch;
  gap: 8px;
  max-width: 720px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 6px 6px 6px 0;
  border: 1px solid var(--line-blue);
  border-left: 3px solid var(--lava);
  background: rgba(7, 30, 48, .78);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 197, .16);
}

.page-faq .faq-search-field {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  padding-left: 14px;
}

.page-faq .faq-search-icon {
  width: 18px;
  height: 18px;
  flex: none;
  color: var(--cyan);
}

.page-faq .faq-search-input {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ice);
  font-family: var(--font-sans);
  font-size: clamp(.94rem, 1.5vw, 1.02rem);
  padding: 11px 0;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--mist);
  opacity: .8;
}

.page-faq .faq-search-input:focus {
  outline: none;
}

.page-faq .faq-search-btn {
  flex: none;
  align-self: center;
}

/* 热门标签 */
.page-faq .faq-hot {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-hot-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
  margin: 0 0 10px;
}

.page-faq .faq-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .faq-tags .tag {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--line-blue);
  background: rgba(11, 44, 69, .55);
  color: var(--ice);
  padding: 8px 14px;
  font-size: .85rem;
  line-height: 1.3;
  border-radius: 0;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-tags .tag:hover,
.page-faq .faq-tags .tag:focus-visible {
  border-color: var(--lava);
  color: var(--lava);
  background: rgba(255, 90, 31, .1);
}

.page-faq .faq-tags .tag--cyan {
  border-color: rgba(34, 211, 197, .55);
  color: var(--cyan);
}

.page-faq .faq-tags .tag--cyan:hover,
.page-faq .faq-tags .tag--cyan:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(34, 211, 197, .12);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: clamp(28px, 4vw, 52px);
}

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

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

.page-faq .faq-section:first-child {
  margin-top: 0;
}

.page-faq .faq-section-head {
  margin-bottom: 16px;
}

.page-faq .faq-subtitle {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.24rem, 2.4vw, 1.66rem);
  line-height: 1.26;
  color: var(--ice);
  margin: 8px 0 10px;
}

.page-faq .faq-section-text {
  max-width: 66ch;
  margin: 0;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 折叠问题 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 12px;
  border: 1px solid var(--line-blue);
  background: linear-gradient(180deg, rgba(7, 30, 48, .94), rgba(4, 17, 29, .94));
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3px;
  height: 42px;
  background: linear-gradient(180deg, var(--lava), var(--ember));
}

.page-faq .faq-toggle {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px 12px;
  width: 100%;
  padding: clamp(16px, 2.4vw, 22px);
  border: 0;
  background: transparent;
  color: var(--ice);
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.page-faq .faq-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -3px;
}

.page-faq .faq-toggle-index {
  flex: none;
  font-family: var(--font-num);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--lava);
  border: 1px solid rgba(255, 90, 31, .45);
  padding: 3px 7px;
  line-height: 1.2;
  margin-top: 2px;
}

.page-faq .faq-toggle-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 180px;
  min-width: 0;
}

.page-faq .faq-toggle-text {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1rem, 1.9vw, 1.15rem);
  line-height: 1.38;
  color: var(--ice);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-toggle:hover .faq-toggle-text {
  color: var(--lava);
}

.page-faq .faq-toggle-meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .faq-toggle-icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  margin-left: auto;
}

.page-faq .faq-toggle-icon::before,
.page-faq .faq-toggle-icon::after {
  content: "";
  position: absolute;
  background: var(--lava);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .faq-toggle-icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-toggle-icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .faq-toggle[aria-expanded="true"] .faq-toggle-icon::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .disclosure-body {
  padding: 0 clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 26px);
}

.page-faq .disclosure-body::before {
  content: "";
  display: block;
  height: 1px;
  background: var(--faq-line-soft);
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

.page-faq .faq-block {
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

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

.page-faq .faq-block-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--cyan);
  margin: 0 0 7px;
}

.page-faq .faq-block p {
  margin: 0;
  max-width: 68ch;
  font-size: .96rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-faq .faq-block p a {
  color: var(--lava);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, .45);
}

.page-faq .faq-block p a:hover {
  border-bottom-color: var(--lava);
}

.page-faq .faq-block--still {
  border-left: 2px solid var(--amber);
  padding: 12px 14px 12px 16px;
  background: linear-gradient(90deg, rgba(255, 200, 87, .09), transparent 72%);
}

.page-faq .faq-block--still .faq-block-label {
  color: var(--amber);
}

/* 步骤清单 */
.page-faq .faq-steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-step {
  margin: 0;
}

.page-faq .faq-step-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(22, 64, 92, .95);
  background: rgba(11, 44, 69, .42);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-step-check:hover {
  border-color: var(--steel);
  background: rgba(11, 44, 69, .62);
}

.page-faq .faq-step-num {
  flex: none;
  font-family: var(--font-num);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--lava);
  margin-top: 3px;
}

.page-faq .faq-step-text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-faq .faq-step-text strong {
  display: block;
  color: var(--ice);
  font-weight: 700;
  margin-bottom: 2px;
}

.page-faq .faq-step-check input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  position: relative;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  border: 1px solid var(--steel);
  background: transparent;
}

.page-faq .faq-step-check input:checked {
  border-color: var(--cyan);
  background: rgba(34, 211, 197, .16);
}

.page-faq .faq-step-check input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}

.page-faq .faq-step-check input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0 0 clamp(16px, 2.2vw, 22px);
}

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

.page-faq .faq-figure .media-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 栏目对照 ---------- */
.page-faq .faq-index-map {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-index-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 20px;
  border: 1px solid var(--line-blue);
  background: rgba(11, 44, 69, .5);
  text-decoration: none;
  color: var(--ice);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--lava);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-index-item:hover,
.page-faq .faq-index-item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--steel);
  background: rgba(11, 44, 69, .8);
}

.page-faq .faq-index-item:hover::after,
.page-faq .faq-index-item:focus-visible::after {
  transform: scaleX(1);
}

.page-faq .faq-index-code {
  font-family: var(--font-num);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--lava);
}

.page-faq .faq-index-name {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--ice);
}

.page-faq .faq-index-desc {
  font-size: .84rem;
  line-height: 1.62;
  color: var(--text-soft);
}

/* ---------- 版本提示 ---------- */
.page-faq .faq-version {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-blue);
  background:
    linear-gradient(115deg, rgba(255, 90, 31, .16), transparent 58%),
    var(--navy-800);
  position: relative;
}

.page-faq .faq-version::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 46px solid rgba(255, 90, 31, .35);
  border-left: 46px solid transparent;
}

.page-faq .faq-version .btn-row {
  margin-top: 18px;
}

/* ---------- 侧栏客服卡 ---------- */
.page-faq .faq-side {
  min-width: 0;
}

.page-faq .faq-support {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line-blue);
  border-top: 3px solid var(--lava);
  background: linear-gradient(180deg, rgba(11, 44, 69, .96), rgba(7, 30, 48, .96));
}

.page-faq .faq-support .eyebrow {
  color: var(--amber);
}

.page-faq .faq-support-text {
  margin: 0 0 16px;
  font-size: .92rem;
  line-height: 1.76;
  color: var(--text-soft);
}

.page-faq .faq-support-list {
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-support-row {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-support-row dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mist);
  padding-top: 2px;
}

.page-faq .faq-support-row dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--ice);
  word-break: break-word;
}

.page-faq .faq-support-row dd a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 197, .4);
}

.page-faq .faq-support-row dd a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .faq-support-note {
  margin: 0 0 14px;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-top-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-top-link:hover,
.page-faq .faq-top-link:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-faq .faq-search {
    flex-wrap: wrap;
    padding: 6px;
  }

  .page-faq .faq-search-field {
    padding-left: 8px;
    flex: 1 1 100%;
  }

  .page-faq .faq-search-btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-faq .faq-toggle-icon {
    margin-left: 0;
  }

  .page-faq .faq-support-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 3px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-hero-title span {
    display: inline;
  }

  .page-faq .faq-hero-title span::before {
    content: " ";
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 352px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-item,
  .page-faq .faq-toggle-text,
  .page-faq .faq-toggle-icon::before,
  .page-faq .faq-toggle-icon::after,
  .page-faq .faq-step-check {
    transition: none;
  }

  .page-faq .faq-index-item:hover,
  .page-faq .faq-index-item:focus-visible {
    transform: none;
  }
}
<<<END>>>