.page-faq {
  position: relative;
  background:
    radial-gradient(900px 460px at 84% -10%, rgba(255, 107, 26, 0.16), transparent 70%),
    radial-gradient(760px 420px at 2% 14%, rgba(127, 211, 232, 0.10), transparent 72%),
    var(--c-navy);
  color: var(--c-silver);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 9vw, 108px);
  overflow-x: hidden;
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(199, 210, 224, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 210, 224, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 64%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 64%);
}

.page-faq .container {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb__link {
  color: var(--c-cyan);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .breadcrumb__link:hover {
  color: var(--c-orange-soft);
}

.page-faq .breadcrumb__sep {
  color: rgba(199, 210, 224, 0.45);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .breadcrumb__current {
  color: rgba(199, 210, 224, 0.82);
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.faq-hero {
  padding-top: clamp(20px, 4vw, 44px);
}

.faq-status {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 15px;
  margin-bottom: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
  background: rgba(127, 211, 232, 0.09);
}

.faq-status__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(31, 163, 122, 0.18);
}

.faq-status__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #d5e9f2;
}

.faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.faq-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.faq-hero__title em {
  font-style: normal;
  color: var(--c-orange);
}

.faq-hero__lede {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: #bccbdd;
}

.faq-hero__flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-hero__flags li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 41, 74, 0.55);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: #c3d0e2;
}

.faq-hero__flags .num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-orange-soft);
}

.faq-hero__media {
  margin: 0;
}

.faq-hero__media .media-frame {
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(6, 16, 31, 0.6);
  box-shadow: var(--shadow-2);
}

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

.page-faq .media-frame__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: #93a4bb;
}

/* ---------- 主体布局 ---------- */
.faq-layout {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(30px, 5vw, 56px);
}

.faq-index {
  min-width: 0;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--c-orange-soft);
}

.faq-index__nav {
  display: grid;
  gap: 2px;
}

.faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
  color: #bccbdd;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.faq-index__link:hover {
  background: rgba(255, 107, 26, 0.10);
  color: var(--c-mist);
}

.faq-index__link[data-active="true"] {
  background: rgba(255, 107, 26, 0.14);
  border-left-color: var(--c-orange);
  color: #ffffff;
}

.faq-index__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-orange-soft);
}

.faq-index__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.75;
  color: #9fb0c6;
}

.faq-index__foot a {
  color: var(--c-cyan);
  text-decoration: none;
}

.faq-index__foot a:hover {
  color: var(--c-orange-soft);
}

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

/* ---------- 问答块 ---------- */
.faq-block {
  margin-bottom: clamp(16px, 3vw, 26px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.72), rgba(11, 27, 51, 0.80));
  scroll-margin-top: 104px;
}

.faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.faq-block__badge {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid rgba(255, 107, 26, 0.42);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--c-orange);
}

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

.faq-block__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.3;
  color: var(--c-mist);
}

.faq-block__note {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #a3b3c8;
}

.faq-item {
  border-top: 1px solid var(--line);
}

.faq-item > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: #e6eef7;
}

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

.faq-item > summary::after {
  content: "";
  flex: 0 0 auto;
  margin-left: auto;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-mid);
  border-radius: 7px;
  background-image:
    linear-gradient(var(--c-orange-soft), var(--c-orange-soft)),
    linear-gradient(var(--c-orange-soft), var(--c-orange-soft));
  background-size: 9px 1.5px, 1.5px 9px;
  background-position: center center;
  background-repeat: no-repeat;
  transition: background-size 0.2s ease, border-color 0.2s ease;
}

.faq-item[open] > summary::after {
  background-size: 9px 1.5px, 1.5px 0;
  border-color: rgba(255, 107, 26, 0.5);
}

.faq-item > summary:hover {
  color: #ffffff;
}

.faq-item__body {
  padding: 0 2px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: #b3c2d5;
}

.faq-item__body p {
  margin: 0 0 10px;
}

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

.faq-steps {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
  display: grid;
  gap: 8px;
}

.faq-steps > li {
  counter-increment: faq-step;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-steps > li::before {
  content: counter(faq-step);
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border-radius: 5px;
  background: var(--c-orange-soft);
  color: var(--c-navy);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  text-align: center;
}

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

.faq-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.faq-bullets > li {
  position: relative;
  padding-left: 16px;
}

.faq-bullets > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-green);
}

.faq-figure {
  margin: 16px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(6, 16, 31, 0.55);
}

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

.faq-figure figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: #93a4bb;
}

/* ---------- 联系信息 ---------- */
.faq-contact-grid {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.faq-contact-card {
  min-width: 0;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 16, 31, 0.45);
}

.faq-contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-orange-soft);
}

.faq-contact-card__value {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--c-mist);
  overflow-wrap: anywhere;
}

.faq-contact-card__value.num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 收束 ---------- */
.faq-cta {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 4vw, 38px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid rgba(255, 107, 26, 0.32);
  border-radius: var(--radius-lg);
  background: linear-gradient(105deg, rgba(255, 107, 26, 0.17), rgba(255, 107, 26, 0.03) 68%, rgba(18, 41, 74, 0.5));
}

.faq-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.35;
  color: var(--c-mist);
}

.faq-cta__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #bfcede;
}

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

.faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.faq-more__link {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.faq-more__link:hover {
  color: var(--c-orange-soft);
  border-bottom-color: rgba(255, 178, 122, 0.5);
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .faq-hero__flags li {
    font-size: 12px;
  }

  .faq-item > summary {
    font-size: 14.5px;
  }
}

@media (min-width: 640px) {
  .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-contact-card--wide {
    grid-column: 1 / -1;
  }

  .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .faq-hero__lede {
    font-size: 16px;
  }
}

@media (min-width: 960px) {
  .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
  }

  .faq-index {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-more__link {
    transition: none;
  }
}
<<<END>>>