.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-rule: rgba(201, 164, 92, 0.26);
  background:
    radial-gradient(120% 70% at 8% 0%, rgba(30, 74, 58, 0.55), transparent 60%),
    radial-gradient(90% 60% at 100% 12%, rgba(197, 59, 50, 0.12), transparent 62%),
    var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  padding-block: clamp(14px, 2.5vw, 22px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 78px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lead h1::after {
  content: "";
  display: block;
  width: clamp(56px, 16vw, 118px);
  height: 4px;
  margin-top: clamp(14px, 2.4vw, 22px);
  background: linear-gradient(90deg, var(--gold), var(--track));
}

.page-faq .faq-hero__lede {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 34em;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__aside {
  display: grid;
  gap: 14px;
}

.page-faq .faq-hero__media {
  border-color: var(--faq-rule);
}

.page-faq .faq-status {
  padding: clamp(16px, 2.6vw, 22px);
  border-color: var(--faq-rule);
}

.page-faq .faq-status__num {
  margin: 6px 0 16px;
  font-family: var(--mono);
  font-size: clamp(38px, 7vw, 54px);
  line-height: 1;
  color: var(--gold-lit);
  letter-spacing: 0.02em;
}

.page-faq .faq-status__num span {
  display: inline-block;
  margin-left: 10px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

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

.page-faq .faq-status__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 9px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--paper-soft);
}

.page-faq .faq-status__list b {
  margin-left: auto;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 章节头 ---------- */
.page-faq .faq-triage .section__head {
  max-width: 46em;
}

.page-faq .faq-triage .section__head h2 {
  margin: 6px 0 0;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-triage .section__head p:last-child {
  margin-top: 12px;
  color: var(--mist);
  line-height: 1.8;
  font-size: 15px;
}

/* ---------- 标签页 ---------- */
.page-faq .faq-tabs {
  margin-top: clamp(22px, 3.6vw, 38px);
}

.page-faq .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border-bottom: 1px solid var(--faq-rule);
  padding-bottom: 12px;
}

.page-faq .tab {
  flex: 1 1 240px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num sub";
  column-gap: 12px;
  row-gap: 3px;
  align-items: center;
  padding: 14px 16px;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  color: var(--mist);
  cursor: pointer;
  transition: border-color 200ms ease, background-color 200ms ease, transform 200ms ease;
}

.page-faq .tab:hover {
  border-color: var(--gold);
  color: var(--paper);
}

.page-faq .tab[aria-selected="true"] {
  background: linear-gradient(160deg, rgba(30, 74, 58, 0.92), rgba(16, 42, 35, 0.92));
  border-color: var(--gold);
  color: var(--paper);
  box-shadow: var(--shadow);
}

.page-faq .tab__num {
  grid-area: num;
  font-family: var(--mono);
  font-size: 20px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-faq .tab__name {
  grid-area: name;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
}

.page-faq .tab__sub {
  grid-area: sub;
  font-size: 12.5px;
  color: var(--mist);
}

.page-faq .tabs__panel {
  padding-top: clamp(20px, 3vw, 32px);
  animation: faq-panel-in 220ms ease both;
}

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

@keyframes faq-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 结论条 ---------- */
.page-faq .notice {
  margin: 0 0 clamp(18px, 3vw, 28px);
  padding: 14px 18px;
  border-left: 3px solid var(--track);
  background: linear-gradient(90deg, rgba(197, 59, 50, 0.16), rgba(16, 42, 35, 0.6));
  border-radius: 2px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .notice--inline {
  margin-bottom: clamp(16px, 2.6vw, 22px);
}

/* ---------- 小节标题 ---------- */
.page-faq .faq-sub {
  margin: clamp(24px, 3.4vw, 34px) 0 14px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-sub:first-of-type {
  margin-top: 0;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-folds {
  display: grid;
  gap: 12px;
}

.page-faq .fold {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.page-faq .fold[open] {
  border-color: var(--faq-rule);
  box-shadow: var(--shadow);
}

.page-faq .fold__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
}

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

.page-faq .fold__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .fold[open] .fold__head::after {
  content: "−";
  color: var(--gold-lit);
}

.page-faq .fold__head:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 2px;
}

.page-faq .fold__icon {
  display: inline-flex;
  color: var(--gold);
  flex: none;
}

.page-faq .fold__no {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  border: 1px solid var(--faq-rule);
  border-radius: 2px;
  padding: 3px 6px;
}

.page-faq .fold__title {
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: 0.01em;
}

.page-faq .fold__body {
  padding: 0 16px 18px;
}

.page-faq .fold__lead {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-left: 2px solid var(--track);
  background: rgba(197, 59, 50, 0.1);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
}

/* ---------- 编号步骤 ---------- */
.page-faq .steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-faq .steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink);
  background: var(--gold);
  border-radius: 1px;
}

/* ---------- 兼容专题 ---------- */
.page-faq .faq-compat {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-compat__media {
  border-color: var(--faq-rule);
  margin: 0;
}

.page-faq .faq-compat__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-support {
  border-top: 1px solid var(--faq-rule);
  background: linear-gradient(180deg, rgba(16, 42, 35, 0), rgba(16, 42, 35, 0.85));
}

.page-faq .faq-support__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-support__lead h2 {
  margin: 6px 0 0;
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-support__lead > p {
  margin-top: 12px;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-support__list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-soft);
}

.page-faq .faq-support__list .meta {
  color: var(--gold);
  flex: none;
}

.page-faq .faq-channel {
  padding: clamp(18px, 3vw, 26px);
  border-color: var(--faq-rule);
}

.page-faq .faq-channel__list {
  margin: 10px 0 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-channel__list > div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-channel__list dt {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-channel__list dd {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: clamp(15px, 2.4vw, 17px);
  color: var(--gold-lit);
  word-break: break-all;
}

.page-faq .faq-channel__note {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-folds {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-folds--single {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(30px, 4vw, 58px);
  }

  .page-faq .faq-hero__aside {
    padding-top: 8px;
  }

  .page-faq .faq-compat {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(24px, 3.6vw, 44px);
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 52px);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-folds--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tabs__panel {
    animation: none;
  }

  .page-faq .tab,
  .page-faq .fold {
    transition: none;
  }
}