.page-faq {
  --faq-num-idle: #A89680;
  --faq-gap: clamp(40px, 5.5vw, 72px);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.75;
  background-color: var(--jade-white);
  -webkit-font-smoothing: antialiased;
}

.page-faq a {
  color: var(--red-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-light);
  transition: color 160ms ease, border-color 160ms ease;
}

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

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq p {
  margin: 0;
}

.page-faq ul,
.page-faq ol,
.page-faq dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-shell {
  padding-block: 0 clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: clamp(56px, 9vw, 104px) clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-crumb {
  grid-column: 1 / -1;
  font-size: var(--step--2);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-main {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-faq .eyebrow {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  color: var(--gold-deep);
  padding-left: 34px;
  position: relative;
}

.page-faq .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 22px;
  height: 1px;
  background: var(--gold);
}

.page-faq h1 {
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.page-faq .faq-lede {
  max-width: 40em;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-statusbar {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--gold);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--ink);
  align-self: end;
}

.page-faq .faq-hero-figure .media-frame-inner img,
.page-faq .faq-path-figure .media-frame-inner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 区块框架 ---------- */
.page-faq .faq-sec {
  padding-block: var(--faq-gap) 0;
}

.page-faq .faq-sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 14px;
  border-top: 1px solid var(--gold);
  margin-bottom: 20px;
}

.page-faq .faq-sec-head h2 {
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.25;
}

.page-faq .faq-sec-tag {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-cats {
  border-top: 1px solid var(--grid);
}

.page-faq .faq-cat {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-cat-num {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--gold-deep);
}

.page-faq .faq-cat-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 900;
  color: var(--ink);
  border-bottom: 1px solid transparent;
}

.page-faq .faq-cat-name:hover,
.page-faq .faq-cat-name:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-faq .faq-cat-count {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-faq .faq-cat-keys {
  grid-column: 2 / -1;
  font-size: var(--step--2);
  line-height: 1.6;
  color: var(--brown);
  opacity: 0.8;
}

/* ---------- 速答五条 ---------- */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 44px;
}

.page-faq .faq-quick-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--grid);
}

.page-faq .faq-quick-num {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--red);
  line-height: 1.4;
}

.page-faq .faq-quick-body h3 {
  font-size: 17px;
  line-height: 1.5;
  margin-bottom: 6px;
}

.page-faq .faq-quick-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--brown);
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-path {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--ink);
}

.page-faq .faq-path-figure {
  margin: 0;
}

.page-faq .faq-path-body h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px dashed var(--grid);
}

.page-faq .faq-step:first-child {
  border-top: 1px solid var(--gold);
}

.page-faq .faq-step-num {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  padding-top: 4px;
}

.page-faq .faq-step p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--brown);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--grid);
}

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

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: none;
  border: 0;
  font: inherit;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.page-faq .faq-q-num {
  flex: 0 0 34px;
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--faq-num-idle);
  padding-top: 3px;
  transition: color 200ms ease;
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
}

.page-faq .faq-plus {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  transition: transform 320ms ease;
}

.page-faq .faq-plus::before,
.page-faq .faq-plus::after {
  content: "";
  position: absolute;
  background: var(--gold-deep);
  transition: opacity 200ms ease, background-color 200ms ease;
}

.page-faq .faq-plus::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-plus::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

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

.page-faq .faq-q[aria-expanded="true"] .faq-plus::before {
  background: var(--red);
}

.page-faq .faq-q[aria-expanded="true"] .faq-plus::after {
  opacity: 0;
}

.page-faq .faq-q[aria-expanded="true"] .faq-q-num {
  color: var(--red);
}

.page-faq .faq-a {
  margin: 0 0 18px 0;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--gold);
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--brown);
}

/* ---------- 礼包码账本与复制 ---------- */
.page-faq .faq-ledger-wrap {
  margin-bottom: 24px;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 4px clamp(14px, 3vw, 24px);
}

.page-faq .faq-ledger-wrap .ledger-row {
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-ledger-wrap .ledger-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--grid);
}

.page-faq .faq-copy {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  padding: 10px 18px;
  cursor: pointer;
}

.page-faq .faq-copy-hint {
  flex: 1 1 220px;
  min-width: 0;
  font-size: var(--step--2);
  line-height: 1.7;
  color: var(--brown);
}

/* ---------- 结尾求助 ---------- */
.page-faq .faq-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: clamp(20px, 3.5vw, 36px);
  background: var(--paper);
  border: 1px solid var(--ink);
  border-top: 2px solid var(--red);
}

.page-faq .faq-help-main h2 {
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-faq .faq-help-main > p {
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--brown);
}

.page-faq .faq-need {
  margin: 18px 0;
  border-top: 1px solid var(--grid);
}

.page-faq .faq-need-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--grid);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-need-num {
  font-family: var(--mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--red);
  padding-top: 3px;
}

.page-faq .faq-help-note {
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--brown);
}

.page-faq .faq-help-aside .eyebrow {
  margin-bottom: 12px;
}

.page-faq .faq-contact-ledger {
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-contact-ledger .ledger-row {
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-contact-ledger .ledger-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact-ledger .ledger-val {
  word-break: break-all;
}

.page-faq .faq-help-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
  font-size: var(--step--1);
  padding-top: 14px;
  border-top: 1px solid var(--gold);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cat {
    grid-template-columns: 48px 200px auto minmax(0, 1fr);
    gap: 4px 18px;
  }

  .page-faq .faq-cat-keys {
    grid-column: 4;
    text-align: right;
  }

  .page-faq .faq-help-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-path {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 32px;
    padding: 24px;
  }

  .page-faq .faq-a {
    margin-left: 34px;
    padding-left: 18px;
  }

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

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-plus,
  .page-faq .faq-q-num,
  .page-faq .faq-plus::before,
  .page-faq .faq-plus::after {
    transition: none;
  }
}