.page-faq {
  --faq-gap: clamp(14px, 2.4vw, 22px);
  --faq-node: rgba(110, 63, 168, 0.28);
  display: block;
  padding-bottom: clamp(56px, 9vw, 110px);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 90% -10%, rgba(110, 63, 168, 0.30), transparent 62%),
    radial-gradient(760px 420px at 2% 24%, rgba(43, 227, 178, 0.07), transparent 60%),
    var(--bg-night);
  overflow-x: clip;
}

.page-faq .mono,
.page-faq .monotip {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-head {
  padding-top: clamp(26px, 5vw, 58px);
}

.page-faq .faq-head h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 82px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}

.page-faq .faq-meta li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(30, 21, 51, 0.62);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  margin-top: clamp(38px, 6vw, 70px);
}

.page-faq .faq-section .section-title {
  margin: 8px 0 10px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.8vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-section .section-note {
  max-width: 50ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 三步自查 ---------- */
.page-faq .triage-grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: 24px;
}

.page-faq .triage-node {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--faq-node), rgba(30, 21, 51, 0.94) 62%);
}

.page-faq .triage-node::after {
  content: "";
  position: absolute;
  left: 24px;
  bottom: -14px;
  width: 2px;
  height: 14px;
  background: linear-gradient(180deg, var(--grape-bright), transparent);
}

.page-faq .triage-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.page-faq .triage-node h3 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 21px);
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .triage-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .triage-steps li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-faq .triage-steps li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 12px;
  color: var(--mint);
}

.page-faq .media-frame {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--bg-glass);
  overflow: hidden;
}

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

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

/* ---------- 索引 + 问答 ---------- */
.page-faq .faq-body {
  margin-top: clamp(40px, 6vw, 78px);
  display: grid;
  gap: 30px;
}

.page-faq .faq-index {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(30, 21, 51, 0.66);
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.page-faq .faq-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index-list a:hover {
  color: var(--paper);
  background: rgba(110, 63, 168, 0.30);
  border-left-color: var(--mint);
}

.page-faq .faq-index-list a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  color: var(--paper);
}

.page-faq .faq-index-list .mono {
  flex: none;
  font-size: 11px;
  color: var(--grape-bright);
}

.page-faq .faq-index-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group {
  scroll-margin-top: 96px;
}

.page-faq .qa-group + .qa-group {
  margin-top: clamp(40px, 6.5vw, 66px);
}

.page-faq .qa-group h2 {
  margin: 6px 0 10px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .qa-intro {
  max-width: 54ch;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq details {
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-faq .qa-list > details:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq details > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq details > summary:hover {
  color: var(--grape-bright);
}

.page-faq details > summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-faq .qa-no {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grape-bright);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-mark {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--mint);
  transition: transform var(--dur) var(--ease);
}

.page-faq details[open] .qa-mark {
  transform: rotate(45deg);
}

.page-faq details[open] > summary {
  color: var(--paper);
}

.page-faq details:target > summary {
  color: var(--mint);
}

.page-faq .qa-body {
  padding: 0 0 20px;
}

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

.page-faq .qa-steps li {
  position: relative;
  counter-increment: qs;
  padding-left: 32px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-faq .qa-steps li::before {
  content: counter(qs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(110, 63, 168, 0.26);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--mint);
}

.page-faq .qa-cause {
  margin: 0 0 10px;
  padding-left: 12px;
  border-left: 2px solid var(--red);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-faq .qa-next {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .qa-next a {
  color: var(--grape-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa-next a:hover {
  color: var(--mint);
}

.page-faq .qa-next a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-faq .qa-figure {
  margin: 22px 0 0;
  max-width: 320px;
}

.page-faq .qa-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink-dim);
}

/* ---------- 联系前准备 ---------- */
.page-faq .prep-list {
  margin: 18px 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .prep-list li {
  position: relative;
  padding: 12px 14px 12px 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(30, 21, 51, 0.62);
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink-soft);
}

.page-faq .prep-list li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 11px;
  font-size: 13px;
  color: var(--mint);
}

.page-faq .contact-strip {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, rgba(110, 63, 168, 0.44), rgba(30, 21, 51, 0.94) 62%);
}

.page-faq .contact-eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-faq .contact-mail {
  margin: 6px 0 12px;
  font-size: clamp(17px, 3.2vw, 25px);
  letter-spacing: 0.02em;
  color: var(--gold);
  word-break: break-all;
}

.page-faq .contact-copy {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-body {
    padding-left: 34px;
  }
}

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

  .page-faq .triage-node::after {
    display: none;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

  .page-faq .qa-body {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq details > summary,
  .page-faq .qa-mark,
  .page-faq .faq-index-list a {
    transition: none;
  }
}
<<<END>>>