.page-faq {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 46px) 0 clamp(24px, 4.5vw, 44px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(200, 255, 63, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800));
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -18%;
  width: min(62vw, 560px);
  height: min(62vw, 560px);
  background: linear-gradient(150deg, rgba(55, 216, 230, 0.16), rgba(200, 255, 63, 0.05) 58%, transparent 76%);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 17ch;
  color: var(--text);
}

.page-faq .faq-hero .lede {
  max-width: 44ch;
  margin: 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.76;
  color: var(--muted);
}

.page-faq .hero-status {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .hero-status > li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 15px;
  background: var(--ink-800);
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--muted);
}

.page-faq .hero-status > li .dot {
  flex: none;
  margin-top: 6px;
}

.page-faq .hero-status strong {
  color: var(--text);
  font-weight: 700;
  margin-right: 4px;
}

/* ---------- 主体骨架 ---------- */
.page-faq .kb-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  padding: clamp(24px, 5vw, 52px) 0 clamp(44px, 8vw, 92px);
}

/* ---------- 左侧问题目录 ---------- */
.page-faq .kb-index {
  border-top: 2px solid var(--lime);
  padding-top: 12px;
}

.page-faq .kb-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-faq .kb-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .kb-index__list > li {
  flex: none;
}

.page-faq .kb-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .kb-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--lime);
}

.page-faq .kb-index__link:hover,
.page-faq .kb-index__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--ink-700);
}

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

.page-faq .kb-index__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  opacity: 0.85;
}

/* ---------- 问答折叠卡 ---------- */
.page-faq .kb-body {
  min-width: 0;
}

.page-faq .qa {
  scroll-margin-top: 96px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 14px 34px -28px rgba(0, 0, 0, 0.95);
  margin-bottom: 14px;
  transition: border-color 200ms var(--ease);
}

.page-faq .qa:hover,
.page-faq .qa[open] {
  border-color: var(--line);
}

.page-faq .qa__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  background: linear-gradient(100deg, rgba(18, 53, 43, 0.55), transparent 72%);
}

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

.page-faq .qa__head::marker {
  content: "";
}

.page-faq .qa__head::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa[open] > .qa__head::after {
  content: "−";
}

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

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-faq .qa__title {
  flex: 1 1 auto;
  min-width: 150px;
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-faq .qa__head .tag {
  flex: none;
}

.page-faq .qa__body {
  padding: 4px 16px 20px;
}

.page-faq .qa__intro {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 编号步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .steps__item {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 30px;
  bottom: -14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(200, 255, 63, 0.5), rgba(30, 77, 63, 0.15));
}

.page-faq .steps__item:last-child::before {
  display: none;
}

.page-faq .steps__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

.page-faq .steps__item h3 {
  margin: 2px 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 结果句 ---------- */
.page-faq .qa__result {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--signal);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(25, 224, 143, 0.07);
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 图片 ---------- */
.page-faq .kb-figure {
  margin: 18px 0 0;
}

.page-faq .kb-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-700);
}

.page-faq .kb-figure--wide {
  margin: 22px 0;
}

.page-faq .kb-figure--wide img {
  border: 0;
  border-radius: 0;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
}

.page-faq .kb-figure figcaption {
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  opacity: 0.9;
}

/* ---------- 反馈清单 ---------- */
.page-faq .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--lime);
  transform: rotate(45deg);
}

.page-faq .feedback {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--alert);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--ink-700), var(--ink-800) 74%);
}

.page-faq .feedback__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--alert);
}

.page-faq .copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.page-faq .mail {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .feedback__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--muted);
}

/* ---------- 正文内链接 ---------- */
.page-faq .qa__result a,
.page-faq .feedback__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 216, 230, 0.4);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .qa__result a:hover,
.page-faq .feedback__note a:hover,
.page-faq .qa__result a:focus-visible,
.page-faq .feedback__note a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--lime);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .hero-status {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa__head {
    padding: 17px 20px;
  }

  .page-faq .qa__body {
    padding: 4px 20px 24px;
  }

  .page-faq .feedback {
    padding: 20px;
  }
}

@media (min-width: 920px) {
  .page-faq .kb-shell {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 64px);
    align-items: start;
  }

  .page-faq .kb-index {
    position: sticky;
    top: 96px;
    border-top-width: 2px;
  }

  .page-faq .kb-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .kb-index__list > li + li {
    margin-top: 2px;
  }

  .page-faq .kb-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 8px 10px;
    white-space: normal;
    transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
  }

  .page-faq .kb-index__link:hover,
  .page-faq .kb-index__link:focus-visible {
    border-left-color: var(--lime);
    background: rgba(18, 53, 43, 0.6);
  }

  .page-faq .kb-figure--wide {
    margin: 26px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .kb-index__link,
  .page-faq .qa__result a,
  .page-faq .feedback__note a {
    transition: none;
  }
}
<<<END>>>