.page-faq {
  --faq-node: 3.2rem;
  padding-bottom: clamp(48px, 8vw, 110px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs-wrap {
  padding-top: 22px;
}

.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .faq-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-faq .faq-crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: 16px;
  padding: clamp(36px, 6vw, 72px) 0 clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 90% -10%, rgba(0, 229, 160, .13), transparent 58%),
    radial-gradient(90% 70% at 4% 108%, rgba(58, 134, 255, .11), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 12px;
  background: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 26px);
  opacity: .85;
  pointer-events: none;
}

.page-faq .faq-hero__wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(1.95rem, 5.4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 首屏数据条 ---------- */
.page-faq .faq-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-strip .data-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-faq .faq-strip .data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-faq .faq-strip .data-cell:nth-child(1) .data-num { color: var(--neon); }
.page-faq .faq-strip .data-cell:nth-child(3) .data-num { color: var(--blue); }

.page-faq .faq-strip .data-label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: block;
  padding-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-index {
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-index .anchor-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-index .anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 区块与标题 ---------- */
.page-faq .faq-sec {
  padding-block: clamp(34px, 5vw, 62px);
}

.page-faq .faq-sec + .faq-sec {
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec .section-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-sec .section-title {
  margin: 8px 0 10px;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-sec .section-note {
  margin: 0;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 步骤折叠 ---------- */
.page-faq .faq-steps {
  position: relative;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: calc(var(--faq-node) / 2);
  top: 2.6rem;
  bottom: 2.6rem;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 5px, transparent 5px 11px);
  pointer-events: none;
}

.page-faq .faq-step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: border-color 160ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .faq-step:hover {
  border-color: rgba(0, 229, 160, .4);
}

.page-faq .faq-step:focus-within {
  box-shadow: inset 0 0 0 2px var(--neon);
}

.page-faq .faq-step > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 22px 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-step > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-step > summary::marker {
  content: "";
}

.page-faq .faq-step__num {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: var(--faq-node);
  padding: 6px 0;
  background: var(--panel);
  text-align: center;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--neon);
}

.page-faq .faq-step__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-step__chev {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}

.page-faq .faq-step__chev::before,
.page-faq .faq-step__chev::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .faq-step__chev::before {
  left: 3px;
  top: 8px;
  width: 12px;
  height: 2px;
}

.page-faq .faq-step__chev::after {
  left: 8px;
  top: 3px;
  width: 2px;
  height: 12px;
}

.page-faq .faq-step[open] .faq-step__chev::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-step__body {
  padding: 0 22px 20px var(--faq-node);
  border-top: 1px dashed var(--line);
  margin-top: 2px;
  padding-top: 16px;
}

.page-faq .faq-step__body p {
  margin: 0 0 12px;
  max-width: 64ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-step__state {
  margin: 0 !important;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

/* ---------- 检索条件 ---------- */
.page-faq .faq-conds {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-cond {
  padding: 20px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-faq .faq-cond h3 {
  margin: 12px 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-cond p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-rule {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 3px solid var(--neon);
  background: linear-gradient(90deg, rgba(0, 229, 160, .11), rgba(0, 229, 160, 0) 72%);
}

.page-faq .faq-rule__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--neon);
  text-transform: uppercase;
}

.page-faq .faq-rule p:last-child {
  margin: 0;
  max-width: 66ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-combos {
  margin-top: clamp(26px, 4vw, 38px);
}

.page-faq .faq-combos__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-combos ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-combos li {
  display: flex;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-combos li:first-child {
  border-top: 1px dashed var(--line);
  margin-top: 10px;
}

.page-faq .faq-combos__n {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--neon);
}

.page-faq .faq-combos li div {
  min-width: 0;
}

.page-faq .faq-combos strong {
  display: block;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-faq .faq-combos p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 两步路径 ---------- */
.page-faq .faq-path {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 6px 0;
}

.page-faq .faq-path__track {
  display: none;
}

.page-faq .faq-path__node {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-path__node:hover,
.page-faq .faq-path__node:focus-visible {
  border-color: var(--neon);
  transform: translateY(-2px);
}

.page-faq .faq-path__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--neon);
}

.page-faq .faq-path__label {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-path__hint {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-path__foot {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 回看流程 ---------- */
.page-faq .faq-flows {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-flows li {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-flows li:first-child {
  border-top: 1px solid var(--line);
  padding-top: 0;
}

.page-faq .faq-flows__n {
  flex: 0 0 auto;
  width: 2.6rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: -.02em;
}

.page-faq .faq-flows__body {
  min-width: 0;
}

.page-faq .faq-flows__body h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-flows__body p {
  margin: 0;
  max-width: 64ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 账号与求助 ---------- */
.page-faq .faq-account {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-account__card {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .faq-account__idx {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
  border: 1px solid var(--line);
}

.page-faq .faq-account__card h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-account__card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-account__card--contact {
  border-left: 3px solid var(--amber);
}

.page-faq .faq-account__link {
  margin-top: 16px;
  display: inline-block;
}

/* ---------- 问答 ---------- */
.page-faq .faq-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-card {
  padding: 18px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-faq .faq-card::before {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--neon);
}

.page-faq #faq-panel-search .faq-card::before { background: var(--blue); }
.page-faq #faq-panel-data .faq-card::before { background: var(--amber); }
.page-faq #faq-panel-account .faq-card::before { background: var(--clay); }

.page-faq .faq-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-account {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-account__card--contact {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-conds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
    padding: 22px 0;
  }

  .page-faq .faq-path__track {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: .8;
  }

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

  .page-faq .faq-account__card--contact {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-faq .faq-index .anchor-list {
    flex-direction: column;
    gap: 10px;
  }

  .page-faq .faq-step__body {
    padding-left: 2.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-path__node,
  .page-faq .faq-step__chev::before,
  .page-faq .faq-step__chev::after {
    transition: none;
  }

  .page-faq .faq-path__node:hover {
    transform: none;
  }
}