.page-faq {
  --faq-rail-w: 208px;
  --faq-gap: clamp(48px, 7vw, 96px);
  --faq-indent: 34px;
  display: block;
  background:
    radial-gradient(130% 55% at 88% -12%, rgba(217, 164, 65, .10), transparent 62%),
    radial-gradient(90% 45% at 4% 4%, rgba(69, 227, 210, .06), transparent 60%),
    var(--c-night);
  color: var(--c-paper);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--c-line);
  padding: clamp(28px, 5vw, 52px) 0 clamp(34px, 5vw, 58px);
}
.page-faq .faq-hero__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.page-faq .faq-hero .crumbs {
  margin-bottom: var(--sp3);
}
.page-faq .faq-hero .kicker {
  display: block;
  margin: 0 0 var(--sp2);
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.page-faq .faq-hero h1 {
  margin: 0 0 var(--sp3);
  font-size: clamp(36px, 8vw, 68px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--c-paper);
  text-shadow: 0 2px 0 rgba(7, 20, 16, .55);
}
.page-faq .faq-hero__lede {
  margin: 0 0 var(--sp4);
  max-width: 44em;
  font-size: clamp(16px, 2.3vw, 19px);
  line-height: 1.78;
  color: var(--c-paper-86);
}
.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp2) clamp(24px, 5vw, 56px);
  margin: 0;
  padding: var(--sp3) 0 0;
  list-style: none;
  border-top: 1px solid var(--c-line-soft);
}
.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-faq .faq-fact__num {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cyan);
}
.page-faq .faq-fact__label {
  font-size: 13px;
  color: var(--c-dim);
}

/* ============ 主体两级布局 ============ */
.page-faq .faq-layout {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px) var(--pad) var(--sp6);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  align-items: start;
}
.page-faq .faq-main {
  min-width: 0;
}

/* ============ 组索引 ============ */
.page-faq .faq-rail {
  min-width: 0;
}
.page-faq .faq-rail__title {
  margin: 0 0 var(--sp2);
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-dim);
}
.page-faq .anchor-rail {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}
.page-faq .anchor-rail__link {
  flex: 0 0 auto;
  padding: 7px 13px;
  border: 1px solid var(--c-line-soft);
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--c-paper-70);
  text-decoration: none;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}
.page-faq .anchor-rail__link:hover,
.page-faq .anchor-rail__link:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-gold);
}
.page-faq .anchor-rail__link.is-active {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(69, 227, 210, .09);
}

/* ============ 分组 ============ */
.page-faq .faq-group {
  scroll-margin-top: 112px;
  padding-bottom: var(--faq-gap);
}
.page-faq .faq-group:last-child {
  padding-bottom: 0;
}
.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  padding-bottom: var(--sp3);
  margin-bottom: var(--sp2);
  border-bottom: 1px solid var(--c-line);
}
.page-faq .faq-group__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-gold);
}
.page-faq .faq-group h2 {
  margin: 0;
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.005em;
  color: var(--c-paper);
}
.page-faq .faq-group__lede {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-dim);
}

/* ============ 问答条目 ============ */
.page-faq .faq-item {
  border-bottom: 1px solid var(--c-line-soft);
}
.page-faq .faq-item:last-child {
  border-bottom: 0;
}
.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--sp2) var(--sp3);
  width: 100%;
  margin: 0;
  padding: clamp(16px, 2.4vw, 22px) 0;
  background: none;
  border: 0;
  border-radius: 0;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: color var(--dur);
}
.page-faq .faq-q:hover .faq-q__text,
.page-faq .faq-q:focus-visible .faq-q__text {
  color: var(--c-cyan);
}
.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}
.page-faq .faq-q__no {
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--c-gold);
}
.page-faq .faq-q__text {
  font-size: clamp(16px, 2.1vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-paper);
  transition: color var(--dur);
}
.page-faq .faq-q__mark {
  position: relative;
  width: 13px;
  height: 13px;
  margin-top: 6px;
  flex: 0 0 auto;
}
.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--c-cyan);
  transition: transform var(--dur), opacity var(--dur);
}
.page-faq .faq-q__mark::before {
  top: 6px;
  left: 0;
  width: 13px;
  height: 1.5px;
}
.page-faq .faq-q__mark::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 13px;
}
.page-faq .faq-q[aria-expanded="true"] .faq-q__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

/* 展开内容：左侧电光青状态条 */
.page-faq .faq-item .disclosure__inner {
  position: relative;
  max-width: 46em;
  padding: 2px 0 clamp(20px, 3vw, 30px) var(--faq-indent);
}
.page-faq .faq-item .disclosure__inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 14px;
  width: 2px;
  border-radius: 1px;
  background: linear-gradient(180deg, var(--c-cyan) 0%, rgba(69, 227, 210, .12) 100%);
}
.page-faq .faq-a__p {
  margin: 0 0 var(--sp2);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--c-paper-86);
}
.page-faq .faq-a__p:last-child {
  margin-bottom: 0;
}

/* 答案末尾的米白纸质入口标签 */
.page-faq .faq-jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: 2px;
  background: var(--c-paper);
  color: var(--c-night);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  box-shadow: var(--shadow-paper);
  transition: background var(--dur), color var(--dur), transform var(--dur);
}
.page-faq .faq-jump::after {
  content: "\2192";
  font-family: var(--font-num);
  font-size: 14px;
}
.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  background: var(--c-gold);
  color: var(--c-ink);
  transform: translateX(2px);
}

/* ============ 邮箱复制块 ============ */
.page-faq .faq-mailbox {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: var(--sp3);
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  background: rgba(30, 70, 58, .38);
  border-radius: 2px;
}
.page-faq .faq-mailbox__addr {
  font-size: 14px;
  color: var(--c-cyan);
  overflow-wrap: anywhere;
}
.page-faq .faq-mailbox__btn {
  padding: 6px 12px;
  border: 1px solid var(--c-gold);
  border-radius: 2px;
  background: transparent;
  color: var(--c-gold);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--dur), color var(--dur);
}
.page-faq .faq-mailbox__btn:hover,
.page-faq .faq-mailbox__btn:focus-visible {
  background: var(--c-gold);
  color: var(--c-ink);
}
.page-faq .faq-mailbox__status {
  font-size: 13px;
  color: var(--c-cyan);
}

/* ============ 配图 ============ */
.page-faq .faq-figure {
  margin: var(--sp4) 0 0;
}
.page-faq .faq-figure .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-faq .faq-figure figcaption,
.page-faq .faq-figure .media__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-dim);
}

/* ============ 桌面端：右侧固定组索引 ============ */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    column-gap: clamp(40px, 5vw, 76px);
  }
  .page-faq .faq-main {
    grid-column: 1;
    grid-row: 1;
  }
  .page-faq .faq-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 108px;
  }
  .page-faq .anchor-rail {
    flex-direction: column;
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .anchor-rail__link {
    width: 100%;
    padding: 9px 13px 9px 14px;
    border: 0;
    border-left: 2px solid var(--c-line-soft);
    border-radius: 0;
    background: none;
    white-space: normal;
  }
  .page-faq .anchor-rail__link.is-active {
    border-left-color: var(--c-cyan);
    background: rgba(69, 227, 210, .07);
  }
  .page-faq .faq-item .disclosure__inner {
    padding-bottom: clamp(24px, 2.6vw, 34px);
  }
}

/* ============ 宽屏留白进一步放大 ============ */
@media (min-width: 1240px) {
  .page-faq .faq-layout {
    padding-bottom: calc(var(--sp6) + var(--sp4));
  }
  .page-faq .faq-group {
    padding-bottom: clamp(72px, 8vw, 120px);
  }
}

/* ============ 减动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .faq-q__text,
  .page-faq .faq-jump,
  .page-faq .anchor-rail__link {
    transition: none;
  }
  .page-faq .faq-jump:hover,
  .page-faq .faq-jump:focus-visible {
    transform: none;
  }
}
<<<END>>>