.page-faq {
  --faq-panel: rgba(30, 47, 63, .55);
  --faq-panel-open: rgba(30, 47, 63, .88);
  --faq-gap: clamp(14px, 2vw, 22px);
}

/* ---------- 焦点反馈 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: var(--r);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(880px 400px at 88% -12%, rgba(46, 196, 182, .16), transparent 62%),
    linear-gradient(142deg, var(--ink) 0%, var(--ink-3) 48%, #0e2438 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -84px;
  right: -130px;
  width: min(460px, 62vw);
  height: 300px;
  background: linear-gradient(120deg, rgba(255, 159, 28, .26), rgba(201, 111, 74, .06));
  clip-path: polygon(0 0, 100% 0, 76% 100%, 0 84%);
  transform: rotate(-13deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(26px, 4.6vw, 58px) clamp(30px, 5vw, 62px);
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(29px, 5.2vw, 50px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-faq .faq-hero__lead .lede {
  margin-top: 16px;
  max-width: 52ch;
  color: var(--text-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

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

.page-faq .faq-hero__figure .figure__media {
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .34);
}

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

.page-faq .faq-hero__figure .figure__cap {
  margin-top: 10px;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-mute);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
  }
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-3) 100%);
}

.page-faq .faq-body__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-block: clamp(34px, 5vw, 66px);
}

@media (min-width: 980px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mute);
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--line);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.45;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--amber);
  background: rgba(230, 237, 243, .06);
  color: var(--text);
}

.page-faq .faq-index__no {
  font-size: 11.5px;
  color: var(--amber);
  letter-spacing: .04em;
}

.page-faq .faq-index__n {
  font-size: 11.5px;
  color: var(--text-mute);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--jade);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-faq .faq-index__note a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 196, 182, .4);
}

.page-faq .faq-index__note a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

@media (min-width: 980px) {
  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 24px;
    align-self: start;
  }
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-cat {
  scroll-margin-top: 82px;
}

.page-faq .faq-cat + .faq-cat {
  margin-top: clamp(38px, 6vw, 68px);
}

.page-faq .faq-cat__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 12px;
  align-items: baseline;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-cat__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 62px;
  height: 2px;
  background: var(--amber);
}

.page-faq .faq-cat__no {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .faq-cat__head h2 {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-cat__sub {
  grid-column: 2;
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-mute);
}

.page-faq .faq-cat__cols {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

@media (min-width: 1120px) {
  .page-faq .faq-cat__cols {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  backdrop-filter: blur(6px);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-q + .faq-q {
  margin-top: 10px;
}

.page-faq .faq-q:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-q[open] {
  background: var(--faq-panel-open);
  border-color: rgba(255, 159, 28, .42);
}

.page-faq .faq-q > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-q__no {
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .faq-q__text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .faq-q__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--jade);
  border-radius: 1px;
  transition: transform .22s var(--ease), background .22s var(--ease);
}

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

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

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-q[open] .faq-q__mark::before {
  background: var(--amber);
}

.page-faq .faq-q__body {
  padding: 14px 16px 18px;
  margin-top: 1px;
  border-top: 1px dashed var(--line);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-faq .faq-q__body p + p,
.page-faq .faq-q__body p + ul,
.page-faq .faq-q__body p + ol {
  margin-top: 10px;
}

.page-faq .faq-q__body ul,
.page-faq .faq-q__body ol {
  margin: 8px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-q__body li::marker {
  color: var(--jade);
  font-family: var(--ff-mono);
  font-size: .85em;
}

.page-faq .faq-q__body a {
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 196, 182, .42);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-q__body a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .faq-mail {
  font-family: var(--ff-mono);
  font-size: 14px;
  color: var(--cream);
  word-break: break-all;
}

.page-faq .faq-q__body .tag {
  margin-right: 6px;
}

/* ---------- 快速自查卡 ---------- */
.page-faq .faq-path {
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background:
    linear-gradient(158deg, rgba(46, 196, 182, .13) 0%, rgba(30, 47, 63, .9) 58%),
    var(--ink-2);
}

.page-faq .faq-path h3 {
  margin: 14px 0 0;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-path__steps {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  counter-reset: none;
}

.page-faq .faq-path__steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-path__steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-path__steps .mono {
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--sand);
}

.page-faq .faq-path__figure {
  margin: 18px 0 0;
}

.page-faq .faq-path__figure .figure__media {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink);
}

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

.page-faq .faq-path__figure .figure__cap {
  margin-top: 9px;
  font-family: var(--ff-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-mute);
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(115deg, rgba(255, 159, 28, .12) 0%, transparent 46%),
    var(--ink-2);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 20px;
  padding-block: clamp(30px, 4.6vw, 54px);
}

.page-faq .faq-cta__text h2 {
  margin: 0;
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-cta__text p {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

@media (min-width: 860px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 639px) {
  .page-faq .faq-hero::before {
    width: 240px;
    height: 190px;
    top: -60px;
    right: -90px;
  }

  .page-faq .faq-q > summary {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 10px;
  }

  .page-faq .faq-q__no {
    grid-column: 1 / -1;
    padding-top: 0;
  }

  .page-faq .faq-q__text {
    font-size: 15.5px;
  }

  .page-faq .faq-cta__links .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}
<<<END>>>