.page-faq {
  --faq-rail-w: 224px;
  --faq-paper-line: rgba(14, 23, 48, 0.16);
  --faq-paper-soft: rgba(14, 23, 48, 0.62);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 6%, rgba(59, 125, 191, 0.3), transparent 58%),
    radial-gradient(circle at 8% 94%, rgba(232, 139, 60, 0.14), transparent 52%),
    var(--ink-900);
  color: var(--paper-bright);
  padding-block: clamp(5.5rem, 11vw, 8rem) clamp(2rem, 4vw, 3rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-hero h1 {
  margin: 0.75rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 18em;
}

.page-faq .faq-hero__intro {
  margin: 1.25rem 0 0;
  max-width: 42rem;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-faq .faq-hero__aside {
  position: relative;
  border: 1px solid var(--ink-700);
  background: rgba(24, 39, 71, 0.74);
  padding: 1.35rem 1.25rem;
  box-shadow: 6px 6px 0 rgba(8, 13, 24, 0.5);
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid rgba(42, 58, 99, 0.8);
  padding-top: 0.7rem;
}

.page-faq .faq-hero__facts li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--paper-bright);
  flex: 0 0 auto;
}

.page-faq .faq-hero__note {
  margin: 1rem 0 0;
  padding-left: 0.7rem;
  border-left: 2px solid var(--amber);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 首屏下方索引视觉 ---------- */
.page-faq .faq-index-visual {
  background: var(--ink-900);
  color: var(--paper-bright);
  padding-block: 0 clamp(2.5rem, 5vw, 4rem);
}

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

.page-faq .media__frame {
  overflow: hidden;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
}

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

.page-faq .faq-index-visual .media__caption {
  margin-top: 0.65rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-main {
  background: var(--paper);
  color: var(--ink-900);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.75rem);
}

/* ---------- 主题目录 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-faq .faq-rail__nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.6rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 0 0 auto;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--faq-paper-line);
  background: var(--paper-bright);
  color: var(--ink-900);
  text-decoration: none;
  font-size: 0.85rem;
  line-height: 1.4;
  white-space: nowrap;
  border-radius: var(--radius);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-rail__link:hover {
  border-color: var(--ink-900);
}

.page-faq .faq-rail__link.is-active {
  background: var(--ink-900);
  color: var(--paper-bright);
  border-color: var(--ink-900);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blue);
}

.page-faq .faq-rail__link.is-active .faq-rail__num {
  color: var(--yellow);
}

.page-faq .faq-rail__hint {
  display: none;
}

/* ---------- 问答面板 ---------- */
.page-faq .faq-panel {
  min-width: 0;
}

.page-faq .faq-panel__lead {
  border-left: 3px solid var(--amber);
  padding-left: 1rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}

.page-faq .faq-panel__eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--blue);
}

.page-faq .faq-panel__lead p:last-child {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .faq-topic + .faq-topic {
  margin-top: clamp(2rem, 4.5vw, 3.25rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--faq-paper-line);
}

.page-faq .faq-topic__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.page-faq .faq-topic__num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--blue);
  padding-top: 0.15rem;
}

.page-faq .faq-topic__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .faq-topic__desc {
  margin: 0.55rem 0 0;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-600);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-top: 0.85rem;
  background: var(--paper-bright);
  border: 1px solid var(--faq-paper-line);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 rgba(14, 23, 48, 0.05);
}

.page-faq .faq-item[open] {
  border-color: rgba(14, 23, 48, 0.3);
  box-shadow: 4px 4px 0 rgba(232, 139, 60, 0.18);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  padding: 1rem 2.9rem 1rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink-900);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 1.05rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
}

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

.page-faq .faq-item__a {
  padding: 0 1.1rem 1.15rem;
}

.page-faq .faq-item__a p {
  margin: 0.85rem 0 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--ink-600);
}

.page-faq .faq-item__a > p:first-child {
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(14, 23, 48, 0.2);
}

.page-faq .faq-item__more {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 125, 191, 0.4);
}

.page-faq .faq-item__more:hover {
  border-bottom-color: var(--blue);
}

/* ---------- 三步查证路径 ---------- */
.page-faq .faq-path {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  color: var(--paper-bright);
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.page-faq .faq-path__head {
  max-width: 46rem;
}

.page-faq .faq-path__eyebrow {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--yellow);
}

.page-faq .faq-path__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.25;
}

.page-faq .faq-path__head p:last-child {
  margin: 0.9rem 0 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-path__steps {
  list-style: none;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.page-faq .faq-path__step {
  position: relative;
  border-top: 1px dashed var(--ink-700);
  padding-top: 1.4rem;
}

.page-faq .faq-path__num {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-faq .faq-path__step h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--paper-bright);
}

.page-faq .faq-path__step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-path .faq-figure {
  margin-top: clamp(2rem, 4vw, 3rem);
}

.page-faq .faq-path .media__frame {
  border-color: var(--ink-700);
}

.page-faq .faq-path .media__caption {
  margin-top: 0.65rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-contact {
  background: var(--ink-950);
  color: var(--paper-bright);
  padding-block: clamp(3rem, 7vw, 5rem);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3rem);
}

.page-faq .faq-contact__eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-contact h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-faq .faq-contact__text {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-contact__prepare {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  max-width: 40ch;
}

.page-faq .faq-contact__prepare li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(42, 58, 99, 0.55);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-contact__prepare li span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  flex: 0 0 auto;
}

.page-faq .faq-contact .btn {
  margin-top: 1.6rem;
}

.page-faq .faq-contact__card {
  border: 1px solid var(--ink-700);
  background: var(--ink-900);
  padding: 1.4rem 1.3rem;
  border-radius: var(--radius);
}

.page-faq .faq-contact__item + .faq-contact__item {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(42, 58, 99, 0.6);
}

.page-faq .faq-contact__label {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper-bright);
  word-break: break-word;
}

.page-faq .faq-contact__value a {
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 185, 74, 0.4);
}

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

.page-faq .faq-contact__small {
  margin: 0.5rem 0 0;
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-path__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
    align-items: end;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

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

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }

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

  .page-faq .faq-rail__link {
    width: 100%;
    margin-bottom: 0.35rem;
    white-space: normal;
  }

  .page-faq .faq-rail__hint {
    display: block;
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--faq-paper-line);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--faq-paper-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<END>>>