.page-faq {
  --faq-line: rgba(17, 24, 39, 0.12);
  --faq-ink-soft: rgba(14, 58, 74, 0.78);
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-sans);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(115% 85% at 92% 4%, rgba(31, 242, 209, 0.16), transparent 58%),
    radial-gradient(85% 70% at 4% 100%, rgba(255, 138, 61, 0.13), transparent 62%),
    linear-gradient(175deg, var(--night) 0%, #08243a 58%, var(--pitch) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(31, 242, 209, 0.06) 0 1px,
    transparent 1px 5px
  );
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

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

.page-faq .breadcrumb__link,
.page-faq .breadcrumb__current {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--cyan);
}

.page-faq .breadcrumb__current {
  color: var(--paper);
}

.page-faq .eyebrow {
  display: inline-block;
  margin: 18px 0 0;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--cyan-line);
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__mark {
  color: var(--cyan);
  box-shadow: inset 0 -0.28em 0 rgba(31, 242, 209, 0.18);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px 9px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--cyan-line);
  background: rgba(11, 44, 68, 0.7);
  color: var(--paper);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: rgba(31, 242, 209, 0.16);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.page-faq .faq-jump .mono {
  color: var(--sunset);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(31, 242, 209, 0.24);
  box-shadow: var(--shadow-deep);
  background: var(--pitch);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__caption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  background: rgba(6, 24, 38, 0.84);
  border: 1px solid rgba(31, 242, 209, 0.32);
  color: var(--paper);
  font-size: 12.5px;
  line-height: 1.4;
}

/* ============ 热门问题 ============ */
.page-faq .faq-hot {
  padding: clamp(40px, 6vw, 76px) 0;
  border-top: 1px solid rgba(31, 242, 209, 0.18);
  border-bottom: 1px solid rgba(31, 242, 209, 0.12);
  background:
    linear-gradient(90deg, rgba(31, 242, 209, 0.055) 0 1px, transparent 1px 100%) 0 0 / 92px 100%,
    linear-gradient(180deg, var(--pitch) 0%, #072033 100%);
}

.page-faq .faq-hot__head {
  display: grid;
  gap: 12px 32px;
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-faq .faq-hot__head .eyebrow {
  margin-top: 0;
}

.page-faq .faq-hot__head h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hot__intro {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hot__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-hot__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hot__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: rgba(6, 24, 38, 0.6);
  border: 1px solid rgba(154, 182, 198, 0.16);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-hot__item:hover {
  border-color: rgba(31, 242, 209, 0.4);
  background: rgba(6, 24, 38, 0.8);
}

.page-faq .faq-hot__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 138, 61, 0.16);
  border: 1px solid rgba(255, 138, 61, 0.5);
  color: var(--sunset);
  font-size: 12px;
  line-height: 1;
}

.page-faq .faq-hot__item h3 {
  margin: 4px 0 6px;
  font-size: 15.5px;
  line-height: 1.5;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-hot__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hot__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(31, 242, 209, 0.22);
  background: var(--night);
}

.page-faq .faq-hot__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-hot__figure figcaption {
  padding: 12px 16px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid rgba(31, 242, 209, 0.16);
}

/* ============ 问答主体 ============ */
.page-faq .faq-body {
  padding: clamp(40px, 5.6vw, 80px) 0 clamp(44px, 6vw, 76px);
  background-color: var(--archive);
  background-image: radial-gradient(rgba(17, 24, 39, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(24px, 3vw, 42px);
  align-items: start;
}

.page-faq .faq-side {
  position: relative;
}

.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-size: 12.5px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--slate);
}

.page-faq .faq-side__nav ul {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__nav a {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(14, 58, 74, 0.2);
  background: #ffffff;
  color: var(--slate);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-side__nav a:hover,
.page-faq .faq-side__nav a:focus-visible {
  background: var(--slate);
  border-color: var(--slate);
  color: var(--paper);
}

.page-faq .faq-side__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-groups__title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.25;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-groups__title::after {
  content: "";
  flex: 1;
  height: 2px;
  min-width: 24px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--sunset), rgba(255, 138, 61, 0));
}

.page-faq .faq-group {
  margin-bottom: clamp(26px, 3.6vw, 42px);
  scroll-margin-top: 92px;
}

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

.page-faq .faq-group__head {
  position: relative;
  margin-bottom: 14px;
  padding-left: 16px;
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--slate), var(--cyan));
}

.page-faq .faq-group__head h3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-group__head p {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item {
  margin-top: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line);
  background: #ffffff;
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(14, 58, 74, 0.36);
  box-shadow: 0 20px 38px -30px rgba(4, 14, 22, 0.65);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 17px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--ink);
}

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

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

.page-faq .faq-item__num {
  min-width: 18px;
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--slate);
  opacity: 0.8;
}

.page-faq .faq-item__icon {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(14, 58, 74, 0.1);
  transition: background 0.24s ease;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--slate);
  transform: translate(-50%, -50%);
  transition: transform 0.24s ease, background 0.24s ease;
}

.page-faq .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon {
  background: var(--slate);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-item__a {
  margin: 0 17px;
  padding: 14px 0 18px;
  border-top: 1px dashed rgba(17, 24, 39, 0.16);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-item__a p {
  margin: 0 0 8px;
}

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

.page-faq .faq-item__a a {
  color: var(--slate);
  text-decoration: underline;
  text-decoration-color: rgba(14, 58, 74, 0.35);
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--ink);
  text-decoration-color: var(--sunset);
}

.page-faq .faq-steps {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-steps .mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--sunset);
  color: #2a1200;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1;
}

/* ============ 联系客服 ============ */
.page-faq .faq-contact {
  padding: clamp(40px, 5.6vw, 76px) 0 clamp(46px, 6vw, 84px);
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(31, 242, 209, 0.12), transparent 60%),
    linear-gradient(180deg, #072033 0%, var(--night) 100%);
  color: var(--paper);
}

.page-faq .faq-contact__card {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(22px, 3.4vw, 40px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(31, 242, 209, 0.24);
  background: rgba(11, 44, 68, 0.55);
  box-shadow: var(--shadow-deep);
}

.page-faq .faq-contact__main .eyebrow {
  margin-top: 0;
  margin-bottom: 12px;
}

.page-faq .faq-contact__main h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-contact__lead {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-contact__channels {
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact__channel {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(6, 24, 38, 0.62);
  border: 1px solid rgba(154, 182, 198, 0.2);
}

.page-faq .faq-contact__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  display: block;
  font-size: 14px;
  line-height: 1.55;
  color: var(--cyan);
  word-break: break-word;
}

.page-faq .faq-contact__aside {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(6, 24, 38, 0.5);
  border: 1px solid rgba(31, 242, 209, 0.18);
}

.page-faq .faq-contact__aside-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--cyan);
}

.page-faq .faq-contact__links {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 2px;
  border-bottom: 1px solid rgba(154, 182, 198, 0.16);
  color: var(--paper);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-contact__links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-faq .faq-contact__links a:hover,
.page-faq .faq-contact__links a:focus-visible {
  color: var(--cyan);
  border-color: rgba(31, 242, 209, 0.45);
}

.page-faq .faq-contact__links li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-contact__meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ============ 显现协议 ============ */
.has-js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: calc(var(--i, 0) * 70ms);
}

.has-js .page-faq [data-reveal][data-shown="true"] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .has-js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-jump a,
  .page-faq .faq-hot__item,
  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-side__nav a,
  .page-faq .faq-contact__links a {
    transition: none;
  }

  .page-faq .faq-jump a:hover {
    transform: none;
  }
}

/* ============ 断点 ============ */
@media (min-width: 640px) {
  .page-faq .faq-contact__channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-hot__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-hot__item {
    padding: 18px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  }

  .page-faq .faq-contact__card {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 92px;
    padding: 18px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--faq-line);
  }

  .page-faq .faq-side__nav ul {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__nav a {
    white-space: normal;
    width: 100%;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-item__q {
    padding: 17px 20px;
    font-size: 15.5px;
  }

  .page-faq .faq-item__a {
    margin: 0 20px;
    padding-bottom: 20px;
  }
}
<<<END>>>

.page-faq {
  --i: 0.3s;
}