.page-faq {
  --faq-fee: var(--orange);
  --faq-version: var(--lime);
  --faq-injury: var(--amber);
  --faq-account: #7FC7FF;
  --faq-support: var(--cream);
  --faq-accent: var(--lime);
  --faq-panel: rgba(18, 41, 74, .48);
  --faq-panel-open: rgba(18, 41, 74, .95);
  background: var(--navy);
  color: var(--white);
}

/* 面包屑区域留白 */
.page-faq .breadcrumb {
  padding: 22px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  position: relative;
  padding: 20px 0 34px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 320px at 88% -10%, rgba(200, 255, 77, .12), transparent 70%),
    linear-gradient(180deg, rgba(5, 12, 24, .85), rgba(11, 27, 51, 0));
}

.page-faq .faq-intro__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-faq .faq-intro__lead h1 {
  margin: 10px 0 16px;
  font-family: var(--font-cond);
  font-size: clamp(32px, 8vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--white);
  max-width: 18em;
}

.page-faq .faq-intro__lead .lede {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 237, 245, .84);
}

.page-faq .faq-intro__side {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: rgba(5, 12, 24, .42);
  font-size: 14px;
  color: rgba(232, 237, 245, .9);
}

.page-faq .faq-facts .mono {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: .04em;
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filterbar {
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .tag-group .tag {
  font: inherit;
  font-size: 13.5px;
  line-height: 1.2;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-faq .tag-group .tag:hover {
  color: var(--white);
  border-color: rgba(143, 163, 191, .55);
}

.page-faq .tag-group .tag:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .tag-group .tag.is-active,
.page-faq .tag-group .tag[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--paper-ink);
  font-weight: 700;
}

/* ---------- 问题区块 ---------- */
.page-faq .faq-block {
  padding: 44px 0 10px;
}

.page-faq .faq-block[data-tags~="fee"] { --faq-accent: var(--faq-fee); }
.page-faq .faq-block[data-tags~="version"] { --faq-accent: var(--faq-version); }
.page-faq .faq-block[data-tags~="injury"] { --faq-accent: var(--faq-injury); }
.page-faq .faq-block[data-tags~="account"] { --faq-accent: var(--faq-account); }
.page-faq .faq-block[data-tags~="support"] { --faq-accent: var(--faq-fee); }

.page-faq .faq-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .faq-block__head::before {
  content: "";
  width: 54px;
  height: 3px;
  background: var(--faq-accent);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-family: var(--font-cond);
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.14;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--white);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid var(--faq-accent);
  background: var(--faq-panel);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .25s ease, border-color .25s ease;
}

.page-faq .qa:hover {
  border-color: rgba(143, 163, 191, .42);
  border-left-color: var(--faq-accent);
}

.page-faq .qa[open] {
  background: var(--faq-panel-open);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 6px 12px;
  padding: 17px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__idx {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  padding-top: 6px;
  color: var(--faq-accent);
}

.page-faq .qa__title {
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .qa__chev {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  flex: none;
}

.page-faq .qa__chev::before,
.page-faq .qa__chev::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--mist);
  transform: translate(-50%, -50%);
}

.page-faq .qa__chev::before { width: 13px; height: 2px; }

.page-faq .qa__chev::after {
  width: 2px;
  height: 13px;
  transition: transform .2s ease, opacity .2s ease;
}

.page-faq .qa[open] .qa__chev::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

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

.page-faq .qa__steps {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--line-soft);
  display: grid;
  gap: 16px;
}

.page-faq .qa__step {
  position: relative;
  padding-left: 22px;
  display: grid;
  gap: 5px;
}

.page-faq .qa__step::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--faq-accent);
  background: var(--faq-panel-open);
}

.page-faq .qa__step::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 22px;
  bottom: -16px;
  width: 1px;
  background: linear-gradient(180deg, var(--faq-accent), rgba(143, 163, 191, 0));
}

.page-faq .qa__step:last-child::before { display: none; }

.page-faq .qa__step-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--faq-accent);
}

.page-faq .qa__step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(232, 237, 245, .86);
  max-width: 46em;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: rgba(5, 12, 24, .5);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
  max-width: 52em;
}

.page-faq .faq-figure--wide {
  margin-top: 24px;
  margin-bottom: 6px;
}

/* ---------- 奶油短带 ---------- */
.page-faq .faq-break {
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--cream);
  color: var(--paper-ink);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  justify-content: space-between;
  border-radius: 2px;
}

.page-faq .faq-break p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  max-width: 54em;
  color: var(--paper-ink);
}

.page-faq .faq-break a {
  font-size: 14.5px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--paper-ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.page-faq .faq-break a:hover {
  color: #000;
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-block--support {
  padding-bottom: 8px;
}

.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-support .card {
  padding: 20px;
  border-radius: 2px;
}

.page-faq .faq-channel {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-channel__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-faq .faq-channel__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.4vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-channel__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-channel__list li {
  position: relative;
  padding-left: 16px;
}

.page-faq .faq-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.page-faq .faq-channel--paper .faq-channel__k { color: var(--orange); }
.page-faq .faq-channel--paper .faq-channel__d { color: rgba(28, 22, 16, .72); }

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-intro {
    padding: 28px 0 44px;
  }

  .page-faq .faq-intro__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
  }

  .page-faq .faq-intro__side {
    padding: 0 0 0 24px;
    border-top: 0;
    border-left: 1px solid var(--line);
    margin-top: 6px;
  }

  .page-faq .faq-block {
    padding: 58px 0 12px;
  }

  .page-faq .qa__q {
    padding: 20px 22px;
  }

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

  .page-faq .qa__step {
    grid-template-columns: 62px minmax(0, 1fr);
    align-items: start;
    gap: 4px 12px;
  }

  .page-faq .qa__step-label {
    padding-top: 4px;
  }

  .page-faq .qa__step::before { left: 5px; }

  .page-faq .faq-break {
    padding: 18px 24px;
  }

  .page-faq .faq-support {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-support .card {
    padding: 24px;
  }

  .page-faq .faq-channel--paper {
    margin-top: 20px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-intro__lead h1 {
    max-width: 16em;
  }

  .page-faq .faq-block__head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-block__head::before {
    grid-column: 1 / -1;
  }

  .page-faq .faq-block__head h2 {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .tag-group .tag,
  .page-faq .qa__chev::after {
    transition: none;
  }
}