.page-faq {
  --faq-sticky-top: 108px;
  --faq-gap: 14px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--silver);
}
.page-faq .breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-faq .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.page-faq .breadcrumb span[aria-hidden] {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(34px, 5vw, 64px) 0 clamp(52px, 7vw, 92px);
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "Q&A";
  position: absolute;
  right: -3vw;
  top: 4%;
  font-family: var(--font-display);
  font-size: clamp(150px, 25vw, 360px);
  font-weight: 200;
  line-height: .8;
  letter-spacing: -.02em;
  color: rgba(199, 208, 220, .045);
  pointer-events: none;
  user-select: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 6%;
  bottom: 0;
  width: 120px;
  height: 4px;
  background: var(--accent);
}
.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .display {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 8.4vw, 104px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -.005em;
  color: var(--white);
}
.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 24px 0 0;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-hero__plates {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
  margin-top: clamp(32px, 4vw, 48px);
  background: var(--line);
  border: 2px solid var(--line);
}
.page-faq .faq-hero__plate {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--ink-2);
}
.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--accent);
}
.page-faq .faq-hero__cap {
  font-size: 13px;
  line-height: 1.5;
  color: var(--silver);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-shell {
  padding-top: clamp(44px, 5.5vw, 76px);
}
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}
.page-faq .faq-col {
  min-width: 0;
}

/* ---------- 搜索与标签 ---------- */
.page-faq .faq-tools {
  display: grid;
  gap: 14px;
  padding: 20px;
  margin-bottom: 26px;
  border: 2px solid var(--line);
  background: var(--ink-2);
}
.page-faq .faq-tools__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--silver);
}
.page-faq .faq-search {
  width: 100%;
  font-size: 15px;
}
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-chip {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--silver);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .25s var(--ease), color .25s var(--ease), background-color .25s var(--ease);
}
.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--accent);
  color: var(--white);
  background: rgba(255, 90, 31, .12);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: var(--faq-gap);
  border: 2px solid var(--line);
  background: var(--panel);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.page-faq .faq-item:hover {
  border-color: #3c4c66;
}
.page-faq .faq-item[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 22px;
  align-items: start;
  gap: 12px;
  padding: 18px 18px 18px 20px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item__head::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__head::marker {
  content: "";
}
.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1.9;
  color: var(--accent);
}
.page-faq .faq-item__q {
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
}
.page-faq .faq-item__mark {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 4px;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--silver);
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), background-color .3s var(--ease);
}
.page-faq .faq-item__mark::before {
  width: 14px;
  height: 2px;
}
.page-faq .faq-item__mark::after {
  width: 2px;
  height: 14px;
}
.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--accent);
}
.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__body {
  padding: 4px 20px 22px;
  border-top: 1px dashed var(--line-soft);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
  animation: faqBodyIn .32s var(--ease);
}
.page-faq .faq-item__body > p {
  margin: 14px 0 0;
}
.page-faq .faq-item__body > p:first-child {
  margin-top: 16px;
}
.page-faq .faq-item__body a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 76, .5);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

@keyframes faqBodyIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 编号步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: faqst;
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-steps li {
  counter-increment: faqst;
  position: relative;
  padding-left: 40px;
  font-size: 15.5px;
  line-height: 1.7;
}
.page-faq .faq-steps li::before {
  content: "0" counter(faqst);
  position: absolute;
  left: 0;
  top: 1px;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border: 2px solid var(--accent);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .02em;
  color: var(--accent);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-tip {
  margin-top: 18px;
  padding: 13px 16px;
  border-left: 3px solid var(--amber);
  background: rgba(245, 199, 126, .07);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}
.page-faq .faq-tip strong {
  color: var(--amber);
  font-weight: 600;
}

/* ---------- 问答内插图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 0;
  padding: 10px;
  border: 2px solid var(--line);
  background: var(--ink);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--silver);
}

/* ---------- 右侧粘性栏 ---------- */
.page-faq .faq-aside {
  align-self: start;
  min-width: 0;
}
.page-faq .faq-sticky {
  display: grid;
  gap: 22px;
}
.page-faq .faq-phone {
  margin: 0;
  padding: 16px 16px 14px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-phone img {
  display: block;
  width: 100%;
  max-width: 250px;
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--line);
  object-fit: cover;
}
.page-faq .faq-phone figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-align: center;
  color: var(--silver);
}

.page-faq .faq-card {
  padding: 20px 20px 22px;
  border: 2px solid var(--line);
  background: var(--ink-2);
}
.page-faq .faq-card .eyebrow {
  margin: 0 0 14px;
}
.page-faq .faq-card__links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-card__links li {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 10px;
}
.page-faq .faq-card__links li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-card__links a {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--silver);
  text-decoration: none;
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.page-faq .faq-card__links a:hover,
.page-faq .faq-card__links a:focus-visible {
  color: var(--accent);
  transform: translateX(3px);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-item__q {
    font-size: 18px;
  }
  .page-faq .faq-item__head {
    grid-template-columns: 58px minmax(0, 1fr) 24px;
    gap: 16px;
    padding: 22px 24px 22px 24px;
  }
  .page-faq .faq-item__body {
    padding: 6px 24px 26px;
    font-size: 16px;
  }
}

/* ---------- 桌面：宽栏问答 + 窄栏速览 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 5vw, 84px);
    align-items: start;
  }
  .page-faq .faq-sticky {
    position: sticky;
    top: var(--faq-sticky-top);
  }
  .page-faq .faq-phone {
    padding: 20px 20px 16px;
  }
  .page-faq .faq-phone img {
    max-width: 100%;
  }
  .page-faq .faq-card {
    padding: 24px 22px 26px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__body,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-chip,
  .page-faq .faq-card__links a {
    transition: none;
    animation: none;
  }
  .page-faq .faq-card__links a:hover,
  .page-faq .faq-card__links a:focus-visible {
    transform: none;
  }
}
<<<END>>>