.page-faq {
  --faq-accent: var(--cyan);
  --faq-tint: rgba(59, 242, 226, 0.12);
  display: block;
  padding-block: 22px 92px;
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(59, 242, 226, 0.5);
}

.page-faq .crumbs__sep {
  color: var(--hair);
}

.page-faq .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 22px 18px 26px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 110% at 100% 0%, rgba(139, 92, 246, 0.22), transparent 62%),
    linear-gradient(158deg, var(--teal), var(--indigo) 72%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -46%;
  width: 74%;
  height: 76%;
  background: radial-gradient(closest-side, rgba(59, 242, 226, 0.2), transparent 72%);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.page-faq .eyebrow {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 15px;
  font-family: var(--font-head);
  font-size: clamp(27px, 6.2vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border: 1px solid rgba(59, 242, 226, 0.34);
  background: rgba(59, 242, 226, 0.07);
}

.page-faq .faq-hero__chip:nth-child(2) {
  color: var(--violet);
  border-color: rgba(139, 92, 246, 0.42);
  background: rgba(139, 92, 246, 0.09);
}

.page-faq .faq-hero__chip:nth-child(3) {
  color: var(--orange);
  border-color: rgba(255, 107, 53, 0.42);
  background: rgba(255, 107, 53, 0.08);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(59, 242, 226, 0.22);
  box-shadow: 0 26px 60px -32px rgba(0, 0, 0, 0.95);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 分类快捷入口 ---------- */

.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  margin: 26px 0 0;
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--hair);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump__link .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--violet);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-jump__link:hover {
  color: var(--paper);
  border-color: rgba(59, 242, 226, 0.48);
  background: rgba(59, 242, 226, 0.06);
}

.page-faq .faq-jump__link:hover .mono {
  color: var(--cyan);
}

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

/* ---------- 问答区块 ---------- */

.page-faq .faq-sec {
  margin-top: 42px;
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-faq .faq-sec[data-tone="cyan"] {
  --faq-accent: var(--cyan);
  --faq-tint: rgba(59, 242, 226, 0.12);
}

.page-faq .faq-sec[data-tone="violet"] {
  --faq-accent: var(--violet);
  --faq-tint: rgba(139, 92, 246, 0.15);
}

.page-faq .faq-sec[data-tone="green"] {
  --faq-accent: var(--ok);
  --faq-tint: rgba(61, 214, 140, 0.13);
}

.page-faq .faq-sec[data-tone="orange"] {
  --faq-accent: var(--orange);
  --faq-tint: rgba(255, 107, 53, 0.14);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: baseline;
  padding: 14px 18px 14px 18px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--faq-accent);
  background: linear-gradient(100deg, var(--faq-tint), rgba(6, 48, 46, 0.32) 78%);
}

.page-faq .faq-sec__num {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--faq-accent);
}

.page-faq .faq-sec__head h2 {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 4.4vw, 25px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-sec__sub {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-sec__body {
  margin-top: 8px;
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-item {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-item summary {
  position: relative;
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 16px 44px 16px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: var(--faq-accent);
  opacity: 0;
  transform: scaleY(0.35);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -6px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item summary:hover {
  background: rgba(59, 242, 226, 0.05);
}

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

.page-faq .faq-item[open] summary::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
  border-color: var(--faq-accent);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px 18px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 242, 226, 0.35);
  transition: border-color var(--dur) var(--ease);
}

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

/* ---------- 流程图卡 ---------- */

.page-faq .faq-figure {
  margin: 18px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--ink);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--hair);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 中部流程条 ---------- */

.page-faq .faq-lane {
  position: relative;
  margin-top: 40px;
  padding: 22px 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--hair);
  background: linear-gradient(118deg, rgba(21, 27, 74, 0.92), rgba(6, 48, 46, 0.78));
  overflow: hidden;
}

.page-faq .faq-lane::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--orange));
  opacity: 0.85;
}

.page-faq .faq-lane__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

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

.page-faq .faq-lane__idx {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-lane__step h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-lane__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 平板 ---------- */

@media (min-width: 720px) {
  .page-faq {
    padding-block: 34px 108px;
  }

  .page-faq .faq-hero {
    padding: 32px 30px 34px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.06fr 0.94fr;
    gap: 32px;
  }

  .page-faq .faq-jump {
    margin-top: 30px;
  }

  .page-faq .faq-sec {
    margin-top: 52px;
  }

  .page-faq .faq-sec__head {
    padding: 16px 22px 16px 22px;
  }

  .page-faq .faq-item summary {
    padding: 18px 52px 18px 22px;
    font-size: 16.5px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px 22px;
  }

  .page-faq .faq-lane {
    margin-top: 52px;
    padding: 28px 26px 30px;
  }

  .page-faq .faq-lane__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .page-faq .faq-lane__step + .faq-lane__step::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: var(--hair);
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1040px) {
  .page-faq .faq-hero {
    padding: 42px 44px 46px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 44px;
  }

  .page-faq .faq-jump {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-sec {
    margin-top: 62px;
  }

  .page-faq .faq-sec__head {
    padding: 18px 26px 18px 26px;
  }

  .page-faq .faq-figure {
    margin-top: 22px;
  }

  .page-faq .faq-figure figcaption {
    padding: 14px 22px 16px;
  }

  .page-faq .faq-lane__list {
    gap: 34px;
  }

  .page-faq .faq-lane__step + .faq-lane__step::before {
    left: -18px;
  }
}

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