.page-faq {
  --faq-rail: 236px;
  --faq-line: rgba(159, 199, 232, 0.16);
  --faq-line-strong: rgba(159, 199, 232, 0.34);
  --faq-glass: rgba(19, 28, 63, 0.58);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(38px, 6vw, 86px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(115% 82% at 88% 2%, rgba(67, 40, 110, 0.92), rgba(19, 28, 63, 0) 62%),
    linear-gradient(158deg, var(--ink-deep) 0%, var(--ink-deep) 46%, var(--ink-mid) 100%);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 34%;
  right: -14%;
  bottom: -48%;
  height: 80%;
  background: linear-gradient(112deg, rgba(47, 214, 138, 0.16), rgba(47, 214, 138, 0) 64%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-faq .faq-hero__orbit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  justify-items: start;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.03em;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.82;
  color: var(--slate);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 58px);
  padding-top: clamp(34px, 5vw, 70px);
  padding-bottom: clamp(56px, 8vw, 116px);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(198, 207, 222, 0.7);
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 999px;
  background: rgba(19, 28, 63, 0.5);
  color: var(--slate);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--white);
  border-color: var(--breath);
  background: rgba(47, 214, 138, 0.12);
}

.page-faq .faq-index__dot {
  width: 11px;
  height: 11px;
  flex: none;
  color: rgba(159, 199, 232, 0.55);
  transition: color 0.2s ease;
}

.page-faq .faq-index__link:hover .faq-index__dot,
.page-faq .faq-index__link:focus-visible .faq-index__dot {
  color: var(--breath);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  min-width: 0;
  display: grid;
  gap: clamp(44px, 6vw, 82px);
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-section--tint {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(67, 40, 110, 0.5), rgba(10, 23, 51, 0.3) 72%);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(47, 214, 138, 0.42);
}

.page-faq .faq-section__no {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--breath);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.9vw, 31px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .faq-section__note {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-section__tail {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(198, 207, 222, 0.82);
}

.page-faq .faq-inline-link {
  color: var(--breath);
  text-decoration: underline;
  text-decoration-color: rgba(47, 214, 138, 0.42);
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--white);
  text-decoration-color: var(--white);
}

/* ---------- 数据带 ---------- */
.page-faq .faq-databar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 22px;
  padding: 14px 20px;
  border: 1px solid var(--faq-line-strong);
  border-left: 3px solid var(--pulse);
  border-radius: var(--radius-md);
  background: rgba(10, 23, 51, 0.62);
  font-size: 15px;
  color: var(--slate);
}

.page-faq .faq-databar .data-num {
  font-size: 19px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-group {
  margin-top: 24px;
}

.page-faq .faq-section--tint .faq-group {
  margin-top: 20px;
}

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

.page-faq .disclosure-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 18px 46px 18px 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.75vw, 19px);
  font-weight: 700;
  line-height: 1.52;
  letter-spacing: 0.01em;
  color: var(--white);
  cursor: pointer;
  transition: color 0.2s ease;
}

.page-faq .disclosure-trigger::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--breath);
  border-bottom: 2px solid var(--breath);
  transform: rotate(45deg);
  transition: transform 0.24s ease;
}

.page-faq .disclosure-trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.page-faq .disclosure-trigger:hover,
.page-faq .disclosure-trigger:focus-visible {
  color: var(--breath);
}

.page-faq .disclosure-panel {
  margin: 0 0 4px 2px;
  padding: 2px 6px 24px 22px;
  border-left: 2px solid rgba(159, 199, 232, 0.24);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(180deg, rgba(19, 28, 63, 0.55), rgba(19, 28, 63, 0));
  color: var(--slate);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .disclosure:has(.disclosure-trigger[aria-expanded="true"]) .disclosure-panel {
  border-left-color: var(--breath);
}

.page-faq .disclosure-panel p {
  margin: 0 0 12px;
}

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

/* ---------- 档位卡 ---------- */
.page-faq .faq-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-tier {
  padding: 18px 18px 20px;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(67, 40, 110, 0.45), rgba(10, 23, 51, 0.62));
}

.page-faq .faq-tier__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--white);
}

.page-faq .faq-tier__for {
  margin: 6px 0 10px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-faq .faq-tier__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 要点列表 ---------- */
.page-faq .faq-points {
  margin: 14px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--slate);
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--breath);
}

.page-faq .faq-points strong {
  color: var(--white);
  font-weight: 700;
}

/* ---------- 记录刻度条 ---------- */
.page-faq .faq-records__figure {
  margin: 24px 0 0;
}

.page-faq .faq-scale {
  margin: 26px 0 0;
  padding: 22px 4px 4px;
}

.page-faq .faq-scale__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.page-faq .faq-scale__track::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--breath), rgba(255, 138, 61, 0.85));
}

.page-faq .faq-scale__tick {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-scale__tick::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--breath);
}

.page-faq .faq-scale__tick:last-child::before {
  border-color: var(--pulse);
}

.page-faq .faq-scale__note {
  margin: 16px 0 0;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(198, 207, 222, 0.72);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact__figure {
  margin: 24px 0 0;
}

.page-faq .faq-contact {
  margin-top: 22px;
  padding: clamp(20px, 3vw, 32px);
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 5px;
}

.page-faq .faq-contact__item dt {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(198, 207, 222, 0.68);
}

.page-faq .faq-contact__item dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 图片 ---------- */
.page-faq .media-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-faq .faq-index {
    position: sticky;
    top: 100px;
    padding-left: 22px;
    border-left: 1px solid var(--faq-line-strong);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: 2px;
  }

  .page-faq .faq-index__link {
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: none;
    font-size: 15px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: none;
    color: var(--breath);
  }

  .page-faq .faq-stream {
    gap: clamp(56px, 6vw, 96px);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-section--tint {
    margin-left: clamp(-24px, -2vw, 0px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .disclosure-trigger::after,
  .page-faq .faq-index__link,
  .page-faq .faq-index__dot {
    transition: none;
  }
}