.page-faq {
  --faq-rail: 250px;
  --faq-line: rgba(26, 26, 26, 0.12);
  background: var(--rice);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 48px) 0 clamp(26px, 4vw, 52px);
  background:
    radial-gradient(90% 120% at 92% -30%, rgba(200, 16, 46, 0.13), transparent 62%),
    radial-gradient(70% 100% at 4% 120%, rgba(15, 107, 92, 0.10), transparent 60%),
    linear-gradient(180deg, var(--paper) 0%, var(--rice) 100%);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--gold) 38%, var(--jade) 68%, var(--night) 100%);
  opacity: 0.85;
}
.page-faq .faq-hero .display {
  font-family: var(--font-title);
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 12px 0 0;
  max-width: 20ch;
}
.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--stone);
}
.page-faq .faq-hero .lede--second {
  margin-top: 10px;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--gold);
  border-radius: 2px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  transform: translateY(-2px);
  border-left-color: var(--red);
  color: var(--red);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-main {
  padding: clamp(26px, 4.5vw, 60px) 0 clamp(46px, 7vw, 86px);
}
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

/* ---------- 侧栏目录 ---------- */
.page-faq .faq-rail-inner {
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-paper);
}
.page-faq .faq-rail-title {
  font-family: var(--font-title);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--red);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 2px;
  font-size: 14px;
  color: var(--stone);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}
.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  background: rgba(200, 16, 46, 0.06);
  color: var(--red);
}
.page-faq .faq-toc-num {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--gold);
}
.page-faq .faq-rail-help {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}
.page-faq .faq-rail-help p {
  margin: 0 0 8px;
}
.page-faq .faq-rail-help a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.3);
}

/* ---------- 区块 ---------- */
.page-faq .faq-blocks {
  display: grid;
  gap: 0;
  min-width: 0;
}
.page-faq .faq-block {
  padding: clamp(22px, 3.4vw, 40px) 0;
  border-top: 1px solid var(--faq-line);
  min-width: 0;
}
.page-faq .faq-block:first-child {
  border-top: none;
  padding-top: 0;
}
.page-faq .faq-block-head {
  margin-bottom: 20px;
}
.page-faq .faq-block-index {
  display: block;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--red);
  margin-bottom: 8px;
}
.page-faq .faq-block-title {
  font-family: var(--font-title);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.22;
  margin: 0;
  color: var(--ink);
}
.page-faq .faq-block-note {
  margin: 10px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

/* 深色段位区块 */
.page-faq .faq-block--night {
  border-top: none;
  margin: clamp(20px, 3vw, 34px) 0;
  padding: clamp(22px, 3.4vw, 40px) clamp(18px, 3vw, 36px);
  border-radius: var(--radius);
  background:
    radial-gradient(80% 100% at 100% 0%, rgba(123, 44, 191, 0.26), transparent 58%),
    linear-gradient(155deg, var(--night) 0%, var(--night-2) 100%);
  box-shadow: var(--shadow-float);
}
.page-faq .faq-block--night .faq-block-index {
  color: var(--gold);
}
.page-faq .faq-block--night .faq-block-title {
  color: var(--paper);
}
.page-faq .faq-block--night .faq-block-note {
  color: rgba(247, 243, 233, 0.72);
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--jade);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}
.page-faq .faq-step-num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--red);
}
.page-faq .faq-step-title {
  margin: 0 0 4px;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.page-faq .faq-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--stone);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--faq-line);
  background: var(--paper);
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-family: var(--font-anno);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-group {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}
.page-faq .qa {
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  overflow: hidden;
}
.page-faq .qa-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}
.page-faq .qa-q::-webkit-details-marker {
  display: none;
}
.page-faq .qa-q::marker {
  content: "";
}
.page-faq .qa-sign {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 16px;
  height: 16px;
}
.page-faq .qa-sign::before,
.page-faq .qa-sign::after {
  content: "";
  position: absolute;
  background: var(--red);
  border-radius: 1px;
}
.page-faq .qa-sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}
.page-faq .qa-sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
  transition: transform 0.2s ease;
}
.page-faq .qa[open] .qa-sign::after {
  transform: scaleY(0);
}
.page-faq .qa-a {
  padding: 14px 16px 16px;
  border-top: 1px dashed var(--faq-line);
  background: rgba(247, 243, 233, 0.5);
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}
.page-faq .qa-a p {
  margin: 0 0 8px;
}
.page-faq .qa-a p:last-child {
  margin-bottom: 0;
}
.page-faq .qa-a a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.3);
}

.page-faq .faq-block--night .qa {
  background: rgba(255, 253, 247, 0.06);
  border-color: var(--hairline-gold);
}
.page-faq .faq-block--night .qa-q {
  color: var(--paper);
}
.page-faq .faq-block--night .qa-a {
  background: rgba(11, 27, 43, 0.35);
  border-top-color: var(--hairline-gold);
  color: rgba(247, 243, 233, 0.75);
}
.page-faq .faq-block--night .qa-a a {
  color: var(--gold-lite);
  border-bottom-color: var(--hairline-gold);
}
.page-faq .faq-block--night .qa-sign::before,
.page-faq .faq-block--night .qa-sign::after {
  background: var(--gold);
}

/* ---------- 回放筛选维度 ---------- */
.page-faq .faq-dims {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.page-faq .faq-dim {
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--jade);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}
.page-faq .faq-dim-tag {
  display: block;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--jade);
  margin-bottom: 8px;
}
.page-faq .faq-dim p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
}
.page-faq .faq-inline-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}
.page-faq .faq-inline-note a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.3);
}

/* ---------- 段位阶梯 ---------- */
.page-faq .faq-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
}
.page-faq .faq-ladder-item {
  padding: 12px 14px;
  background: rgba(255, 253, 247, 0.05);
  border: 1px solid var(--hairline-gold);
  border-radius: var(--radius);
}
.page-faq .faq-ladder-num {
  display: block;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.page-faq .faq-ladder-name {
  display: block;
  margin: 4px 0;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--paper);
}
.page-faq .faq-ladder-tip {
  display: block;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 243, 233, 0.62);
}

/* ---------- 版本列表 ---------- */
.page-faq .faq-verlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-ver {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}
.page-faq .faq-ver-num {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--red);
  padding: 2px 8px;
  border: 1px solid rgba(200, 16, 46, 0.28);
  border-radius: 2px;
}
.page-faq .faq-ver-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--stone);
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .faq-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}
.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}
.page-faq .faq-lines {
  display: grid;
  gap: 10px;
}
.page-faq .faq-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--red);
  border-radius: var(--radius);
}
.page-faq .faq-line-key {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}
.page-faq .faq-line-val {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--ink);
  word-break: break-all;
}
.page-faq .faq-copy {
  margin-left: auto;
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--red);
  background: rgba(200, 16, 46, 0.06);
  border: 1px solid rgba(200, 16, 46, 0.3);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: var(--red);
  color: var(--paper);
}
.page-faq .faq-copy[data-copied] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--paper);
}
.page-faq .faq-foot {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px dashed var(--faq-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
}
.page-faq .faq-foot a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.3);
}

/* ---------- 响应式 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail-inner {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
  .page-faq .faq-block-head {
    margin-bottom: 24px;
  }
}

@media (max-width: 720px) {
  .page-faq .faq-hero .display {
    font-size: clamp(26px, 8vw, 36px);
    max-width: none;
  }
  .page-faq .faq-jump a {
    font-size: 13px;
    padding: 7px 12px;
  }
  .page-faq .faq-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px;
  }
  .page-faq .faq-step-num {
    font-size: 15px;
    letter-spacing: 0.1em;
  }
  .page-faq .qa-q {
    font-size: 14.5px;
    padding: 13px 14px;
  }
  .page-faq .qa-a {
    padding: 12px 14px 14px;
  }
  .page-faq .faq-dims,
  .page-faq .faq-ladder {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .faq-ver {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
  .page-faq .faq-ver-num {
    justify-self: start;
  }
  .page-faq .faq-copy {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .qa-sign::after,
  .page-faq .faq-toc a,
  .page-faq .faq-copy {
    transition: none;
  }
  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible {
    transform: none;
  }
}