.page-faq {
  background: var(--ink);
  color: var(--paper);
  padding-top: var(--header-h);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 4vw, 56px) 0 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.3;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__eyebrow {
  margin-top: clamp(20px, 3vw, 40px);
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  font-size: clamp(34px, 6.2vw, 78px);
  line-height: 1.06;
  font-weight: 300;
  letter-spacing: -0.01em;
  max-width: 16ch;
  margin: 14px 0 0;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  max-width: 52ch;
  margin-top: clamp(16px, 2vw, 26px);
  color: var(--fog);
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-hero__media {
  position: relative;
  margin-top: clamp(32px, 5vw, 64px);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 12, 20, 0) 45%, rgba(7, 12, 20, 0.92) 100%);
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 720;
  object-fit: cover;
  filter: saturate(0.85);
}

/* ---------- 双栏骨架 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(36px, 5vw, 72px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

/* ---------- 左侧问题索引 ---------- */

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-rail__link {
  display: block;
  padding: 9px 0 9px 14px;
  border-left: 1px solid var(--line);
  color: var(--fog);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible,
.page-faq .faq-rail__link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

@media (max-width: 1023px) {
  .page-faq .faq-rail__link {
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 10px 2px;
  }
  .page-faq .faq-rail__link.is-active,
  .page-faq .faq-rail__link:hover {
    border-bottom-color: var(--cyan);
  }
}

/* ---------- 问答流 ---------- */

.page-faq .faq-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 88px);
  min-width: 0;
}

.page-faq .faq-block {
  min-width: 0;
}

.page-faq .faq-block__head {
  margin-bottom: clamp(20px, 2.5vw, 32px);
}

.page-faq .faq-block__head .eyebrow {
  color: var(--orange);
}

.page-faq .faq-block__head .section-title {
  margin: 10px 0 0;
  color: var(--paper);
}

.page-faq .faq-block__lede {
  max-width: 56ch;
  margin: 12px 0 0;
  color: var(--fog);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-item {
  border-top: 1px solid var(--line);
  padding: clamp(18px, 2vw, 24px) 0;
}

.page-faq .faq-q {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-a {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog);
}

.page-faq .faq-a strong {
  display: inline;
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
  letter-spacing: 0.02em;
}

.page-faq .faq-note a,
.page-faq .rights__link,
.page-faq .support-panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.35);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-note a:hover,
.page-faq .rights__link:hover,
.page-faq .support-panel a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 配图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3vw, 36px);
  border: 1px solid var(--line);
  background: var(--rock);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-faq .faq-figure .media-frame__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

/* ---------- 权益对照表 ---------- */

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

.page-faq .rights__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 16px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}

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

.page-faq .rights__row:last-child {
  border-bottom: 0;
}

.page-faq .rights__summary {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  align-items: center;
  padding: 16px 46px 16px 16px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--ease);
}

.page-faq .rights__summary:hover {
  background: var(--rock);
}

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

.page-faq .rights__summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 16px;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .rights__row[open] .rights__summary::after {
  content: "–";
}

.page-faq .rights__cat {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .rights__cat::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--moss);
  flex: 0 0 auto;
}

.page-faq .rights__count {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .rights__where {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fog);
}

.page-faq .rights__body {
  padding: 0 16px 22px;
}

.page-faq .rights__body p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .rights__link {
  font-size: 14px;
  letter-spacing: 0.02em;
}

@media (min-width: 720px) {
  .page-faq .rights__head,
  .page-faq .rights__summary {
    grid-template-columns: minmax(0, 1fr) 88px minmax(0, 1.5fr);
  }
  .page-faq .rights__head {
    padding: 12px 46px 12px 18px;
  }
  .page-faq .rights__summary {
    padding: 16px 46px 16px 18px;
  }
  .page-faq .rights__body {
    padding: 0 46px 24px 18px;
  }
}

/* ---------- 客服前三步 ---------- */

.page-faq .steps {
  list-style: none;
  margin: 0 0 clamp(24px, 3vw, 36px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--ink);
}

.page-faq .steps__num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .steps__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .steps__text {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 客服信息板 ---------- */

.page-faq .support-panel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--rock);
  padding: clamp(20px, 2.8vw, 32px);
}

.page-faq .support-panel__label {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .support-panel__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-faq .support-panel__key {
  flex: 0 0 84px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
  padding-top: 3px;
}

.page-faq .support-panel__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

@media (max-width: 480px) {
  .page-faq .support-panel__key {
    flex: 0 0 100%;
    padding-top: 0;
  }
  .page-faq .steps__item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .rights__summary,
  .page-faq .faq-note a,
  .page-faq .rights__link,
  .page-faq .support-panel a {
    transition: none;
  }
}