.page-faq {
  --faq-text: #3A4763;
  --faq-cut: 22px;
  --faq-card: #FFFFFF;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 56px) 0 clamp(34px, 5.5vw, 72px);
  background:
    radial-gradient(900px 420px at 84% 8%, rgba(0, 229, 255, 0.18), transparent 62%),
    radial-gradient(720px 440px at 4% 92%, rgba(255, 107, 53, 0.2), transparent 60%),
    linear-gradient(160deg, var(--ink) 0%, var(--midnight) 100%);
  color: #fff;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-hero .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.34);
}

.page-faq .faq-hero .breadcrumb__list a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.page-faq .faq-hero .breadcrumb__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-hero .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.42);
  border-radius: 2px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 17em;
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.page-faq .faq-hero .lead {
  margin: 0;
  max-width: 33em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__meta b {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__meta span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-hero__aside {
  padding: 22px 22px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--cyan);
}

.page-faq .faq-index {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index li + li {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-index a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: #fff;
  transform: translateX(4px);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__cta {
  display: inline-block;
}

.page-faq .faq-hero__aside-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.56);
}

/* ---------- 跳转条 ---------- */
.page-faq .faq-jump {
  background: var(--graphite);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-faq .faq-jump__inner {
  display: flex;
  gap: 8px;
  align-items: center;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  scrollbar-width: none;
}

.page-faq .faq-jump__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__label {
  flex: none;
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gray);
}

.page-faq .faq-jump a {
  flex: none;
  padding: 7px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.16);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: clamp(30px, 5vw, 64px) 0 clamp(36px, 5vw, 72px);
}

.page-faq .faq-group {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--paper);
}

.page-faq .faq-group:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .faq-group__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__bar {
  display: block;
  width: 46px;
  height: 4px;
  margin: 10px 0 14px;
}

.page-faq .faq-group__bar--orange {
  background: var(--orange);
}

.page-faq .faq-group__bar--cyan {
  background: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 20em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-group__list {
  padding: 4px clamp(14px, 2.4vw, 26px) 8px;
  background: var(--faq-card);
  border: 1px solid var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px dashed var(--paper);
}

.page-faq .faq-item:last-child {
  border-bottom: none;
}

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  padding: 17px 34px 17px 0;
  font-family: var(--font-head);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item > summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 1.55em;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  border-color: var(--orange);
  transform: rotate(-135deg);
}

.page-faq .faq-item > summary:hover {
  color: var(--orange);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.page-faq .faq-item__answer {
  padding: 0 0 18px;
  animation: faq-open 0.24s var(--ease) both;
}

.page-faq .faq-item__answer p {
  margin: 0 0 10px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--faq-text);
}

.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-inline {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-inline::after {
  content: "→";
  margin-left: 4px;
  font-size: 12px;
  color: var(--orange);
}

.page-faq .faq-inline:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 0;
  background: var(--graphite);
  border: 1px solid var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  overflow: hidden;
}

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

.page-faq .faq-media figcaption {
  padding: 12px 18px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.72);
  background: var(--graphite);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ---------- 联络区 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 66px) 0;
  background:
    radial-gradient(620px 340px at 88% 12%, rgba(0, 229, 255, 0.16), transparent 66%),
    linear-gradient(140deg, var(--ink) 0%, var(--midnight) 100%);
  color: #fff;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .faq-help__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--orange);
}

.page-faq .faq-help__title {
  margin: 0 0 16px;
  max-width: 16em;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-faq .faq-help__text {
  margin: 0 0 18px;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.76);
}

.page-faq .faq-help__mail {
  display: inline-block;
  margin: 0 0 22px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 17px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
  word-break: break-all;
}

.page-faq .faq-help__links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-faq .faq-help__links li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.page-faq .faq-help__links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 2px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-help__links a:hover,
.page-faq .faq-help__links a:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

.page-faq .faq-help__link-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-faq .faq-help__arrow {
  margin-left: auto;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-item__answer {
    padding-left: clamp(0px, 5vw, 76px);
    padding-right: 8px;
  }

  .page-faq .faq-help__links a {
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-group {
    grid-template-columns: minmax(180px, 232px) minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-group__note {
    max-width: none;
  }

  .page-faq .faq-media,
  .page-faq .faq-group__list {
    grid-column: 2;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__answer {
    animation: none;
  }

  .page-faq .faq-item > summary::after,
  .page-faq .faq-index a,
  .page-faq .faq-help__links a {
    transition: none;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-help__links a:hover {
    transform: none;
    padding-left: 2px;
  }
}
<<<END>>>