.page-faq {
  --faq-ring: rgba(23, 224, 200, 0.3);
  --faq-hair: rgba(140, 207, 194, 0.18);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.faq-hero {
  padding: clamp(22px, 4.5vw, 52px) 0 clamp(20px, 3vw, 34px);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero__crumb {
  margin-bottom: 16px;
}

.faq-hero__kicker {
  margin: 0 0 8px;
  font-family: var(--ng-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ng-cyan);
}

.faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--ng-narrow);
  font-weight: 800;
  font-size: clamp(29px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ng-white);
  max-width: 20ch;
}

.faq-hero__lead {
  margin: 0;
  max-width: 63ch;
  font-size: clamp(14px, 1.55vw, 16px);
  line-height: 1.9;
  color: var(--ng-mist);
}

.faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ng-mist);
}

.faq-hero__stats .ng-num {
  font-size: 19px;
  color: var(--ng-lime);
}

/* ---------- 两栏骨架 ---------- */
.faq-layout {
  display: grid;
  gap: 30px;
  padding-top: clamp(24px, 4vw, 44px);
}

@media (min-width: 960px) {
  .faq-layout {
    grid-template-columns: minmax(216px, 258px) minmax(0, 1fr);
    gap: clamp(30px, 4.6vw, 62px);
    align-items: start;
  }
}

.faq-side {
  min-width: 0;
}

.faq-side__title {
  margin: 0 0 10px;
  font-family: var(--ng-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ng-copper);
}

.faq-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (min-width: 960px) {
  .faq-nav {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: 96px;
  }
}

.faq-nav__link {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 9px 13px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--ng-pill);
  background: rgba(18, 61, 50, 0.5);
  color: var(--ng-mist);
  font-size: 12.5px;
  line-height: 1.35;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.faq-nav__no {
  flex: none;
  font-family: var(--ng-mono);
  font-size: 10.5px;
  color: var(--ng-cyan);
}

.faq-nav__text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.faq-nav__link:hover,
.faq-nav__link:focus-visible {
  color: var(--ng-white);
  border-color: var(--faq-ring);
}

.faq-nav__link.is-active {
  background: var(--ng-lime);
  border-color: var(--ng-lime);
  color: var(--ng-night-3);
  font-weight: 600;
}

.faq-nav__link.is-active .faq-nav__no {
  color: rgba(6, 20, 15, 0.62);
}

.faq-side__top {
  display: none;
  margin-top: 18px;
  font-family: var(--ng-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ng-mist);
  text-decoration: none;
}

.faq-side__top:hover {
  color: var(--ng-cyan);
}

@media (min-width: 960px) {
  .faq-side__top {
    display: inline-block;
  }
}

/* ---------- 问题组 ---------- */
.faq-body {
  min-width: 0;
}

.faq-group {
  scroll-margin-top: 96px;
  margin-bottom: clamp(38px, 6vw, 68px);
}

.faq-group:last-child {
  margin-bottom: 0;
}

.faq-group__head {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(140, 207, 194, 0.24);
}

.faq-group__label {
  align-self: flex-start;
  padding: 4px 12px;
  border: 1px solid rgba(23, 224, 200, 0.34);
  border-radius: var(--ng-pill);
  background: rgba(23, 224, 200, 0.07);
  font-family: var(--ng-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ng-cyan);
  white-space: nowrap;
}

.faq-group__title {
  margin: 0;
  font-family: var(--ng-narrow);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--ng-white);
}

.faq-group__desc {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ng-mist);
}

.faq-group__desc .ng-num {
  color: var(--ng-lime);
}

/* 组内配图 */
.page-faq .ng-media.faq-media {
  margin: 0 0 20px;
  aspect-ratio: 16 / 10;
  border-radius: var(--ng-radius-lg);
  overflow: hidden;
}

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

@media (min-width: 760px) {
  .page-faq .ng-media.faq-media {
    aspect-ratio: 21 / 9;
  }
}

/* ---------- 折叠问答 ---------- */
.faq-list {
  display: block;
}

.faq-q {
  border: 1px solid var(--faq-hair);
  border-radius: var(--ng-radius-md);
  background: linear-gradient(180deg, rgba(18, 61, 50, 0.6), rgba(11, 42, 34, 0.6));
  transition: border-color 0.22s ease, background 0.22s ease;
}

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

.faq-q[open] {
  border-color: rgba(23, 224, 200, 0.5);
  background: linear-gradient(180deg, rgba(18, 61, 50, 0.88), rgba(11, 42, 34, 0.88));
}

.faq-q > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 17px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ng-white);
}

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

.faq-q > summary::marker {
  content: "";
}

.faq-q__text {
  min-width: 0;
}

.faq-q > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--ng-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ng-cyan);
  transition: color 0.2s ease;
}

.faq-q[open] > summary::after {
  content: "–";
  color: var(--ng-lime);
}

.faq-q > summary:hover {
  color: var(--ng-lime);
}

.faq-q > summary:focus-visible {
  outline: 2px solid var(--ng-cyan);
  outline-offset: -3px;
  border-radius: var(--ng-radius-md);
}

.faq-q__body {
  padding: 14px 17px 18px;
  border-top: 1px solid rgba(23, 224, 200, 0.22);
  font-size: 13.8px;
  line-height: 1.95;
  color: var(--ng-mist);
}

.faq-q__body p {
  margin: 0;
}

.faq-q__body a {
  color: var(--ng-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq-q__body a:hover {
  color: var(--ng-lime);
}

.faq-q__body .ng-num {
  color: var(--ng-lime);
}

@media (min-width: 760px) {
  .faq-q > summary {
    padding: 17px 22px;
    font-size: 15.5px;
  }

  .faq-q__body {
    padding: 16px 22px 20px;
    font-size: 14px;
  }
}

/* ---------- 客服联系块 ---------- */
.faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--ng-radius-lg);
  background: var(--ng-white);
  color: var(--ng-coal);
}

.faq-contact__eyebrow {
  margin: 0 0 8px;
  font-family: var(--ng-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ng-copper);
}

.faq-contact h3 {
  margin: 0 0 10px;
  font-family: var(--ng-narrow);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ng-coal);
}

.faq-contact__intro p {
  margin: 0;
  max-width: 56ch;
  font-size: 13.8px;
  line-height: 1.85;
  color: #3a4040;
}

.faq-contact__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
}

@media (min-width: 720px) {
  .faq-contact__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

.faq-contact__list dt {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ng-copper);
}

.faq-contact__list dd {
  margin: 0;
  font-family: var(--ng-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ng-coal);
  overflow-wrap: anywhere;
}

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

.faq-contact__actions .ng-cta--pill {
  background: var(--ng-night);
  border-color: var(--ng-night);
  color: var(--ng-white);
}

.faq-contact__actions .ng-cta--pill.is-copied {
  background: var(--ng-lime);
  border-color: var(--ng-lime);
  color: var(--ng-night-3);
}

.faq-contact__actions .ng-cta--ghost {
  background: transparent;
  border-color: rgba(32, 35, 35, 0.34);
  color: var(--ng-coal);
}

.faq-contact__actions .ng-cta--ghost:hover {
  border-color: var(--ng-night);
  color: var(--ng-night);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 639px) {
  .faq-nav {
    gap: 6px;
  }

  .faq-nav__link {
    padding: 8px 11px;
    font-size: 11.5px;
    gap: 5px;
  }

  .faq-hero__stats {
    gap: 6px 18px;
  }

  .faq-hero__stats li {
    font-size: 12px;
  }

  .faq-contact__actions {
    flex-direction: column;
  }

  .faq-contact__actions .ng-cta {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .faq-nav__link,
  .faq-q,
  .faq-q > summary::after {
    transition: none;
  }
}
<<<END>>>