.page-faq {
  position: relative;
  display: block;
  color: var(--warm);
  padding-bottom: clamp(56px, 9vw, 104px);
  background-color: var(--ink);
  background-image:
    radial-gradient(760px 420px at 8% -10%, rgba(201, 162, 39, .12), transparent 62%),
    radial-gradient(680px 380px at 100% 4%, rgba(138, 79, 255, .14), transparent 60%),
    repeating-linear-gradient(0deg, rgba(244, 241, 232, .022) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(244, 241, 232, .022) 0 1px, transparent 1px 72px);
  background-repeat: no-repeat, no-repeat, repeat, repeat;
}

.page-faq .faq-crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(18px, 4vw, 34px) 0 clamp(30px, 5vw, 48px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 14px;
  font-family: var(--sans);
  font-size: clamp(28px, 5.6vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: .015em;
  color: var(--warm);
}

.page-faq .faq-hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.page-faq .faq-hero__intro {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: rgba(244, 241, 232, .76);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-quick {
  position: relative;
  padding: 22px 20px 24px;
  box-shadow: inset 3px 0 0 0 var(--violet), 0 22px 44px -30px rgba(138, 79, 255, .9);
}

.page-faq .faq-quick__label {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-faq .faq-quick h2 {
  margin: 0 0 8px;
  font-size: clamp(18px, 3vw, 21px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--warm);
}

.page-faq .faq-quick p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 232, .72);
}

.page-faq .quick-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .quick-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-top: 9px;
  border-top: 1px solid var(--line-2);
  font-size: 13.5px;
  line-height: 1.62;
  color: rgba(244, 241, 232, .86);
}

.page-faq .quick-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .quick-list b {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--violet);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

/* 左侧编号索引 */
.page-faq .faq-index {
  padding-top: 14px;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index ol {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-edge) transparent;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-index a i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--gold);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--cyan);
  border-color: rgba(38, 240, 216, .42);
  background-color: rgba(38, 240, 216, .06);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  margin-bottom: clamp(40px, 6vw, 64px);
  scroll-margin-top: 92px;
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(201, 162, 39, .26);
}

.page-faq .faq-sec__num {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-size: clamp(19px, 3vw, 27px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--warm);
}

.page-faq .faq-sec > p {
  margin: 0 0 20px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .74);
}

.page-faq .faq-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 240, 216, .35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-sec a:hover,
.page-faq .faq-sec a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold-edge);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: step;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--gold-edge);
  background-color: var(--panel-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 232, .86);
}

.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
}

/* ---------- 展开问答组 ---------- */
.page-faq .qa {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  background-color: var(--panel-soft);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

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

.page-faq .qa:hover {
  border-color: rgba(201, 162, 39, .34);
  border-left-color: var(--gold-edge);
}

.page-faq .qa[open] {
  border-color: rgba(38, 240, 216, .34);
  border-left-color: var(--cyan);
  background-color: var(--panel);
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--warm);
}

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

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

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background-color: var(--gold);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .qa[open] .qa__mark::before {
  background-color: var(--cyan);
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}

.page-faq .qa__a {
  max-width: 72ch;
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .76);
}

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

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 0 0 22px;
  border: 1px solid var(--line-2);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-media .media__caption {
  margin: 0;
  padding: 9px 14px;
  border-top: 1px solid var(--line-2);
  background-color: var(--panel-soft);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 设置面板标签 ---------- */
.page-faq .faq-tabs {
  margin-top: 4px;
}

.page-faq .faq-tabs .tabs__bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line-2);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tabs .tabs__btn {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: transparent;
  color: var(--mist);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-tabs .tabs__btn:hover {
  color: var(--warm);
  border-color: var(--line-gold);
}

.page-faq .faq-tabs .tabs__btn[aria-selected="true"] {
  color: var(--ink);
  border-color: var(--cyan);
  background-color: var(--cyan);
}

.page-faq .faq-tabs .tabs__panel[hidden] {
  display: none;
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

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

.page-faq .faq-card__k {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .panel--cyan .faq-card__k {
  color: var(--cyan);
}

.page-faq .faq-card__v {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  word-break: break-word;
  color: var(--warm);
}

.page-faq .faq-card__n {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-support__note {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .74);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hero__actions .btn {
    min-width: 180px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-quick {
    margin-top: 6px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 64px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-index ol {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index a {
    padding: 7px 10px;
    border-color: transparent;
    white-space: normal;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible {
    border-color: rgba(38, 240, 216, .38);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-sec__head {
    gap: 18px;
  }

  .page-faq .qa__q {
    padding: 16px 20px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-index a,
  .page-faq .faq-tabs .tabs__btn,
  .page-faq .faq-sec a {
    transition: none;
  }
}