.page-faq {
  --faq-shadow: 6px 6px 0 var(--ink-900);
  --faq-shadow-sm: 3px 3px 0 var(--ink-900);
  display: block;
  overflow-x: clip;
  background: var(--paper-50);
  color: var(--text-900);
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(24px, 3vw, 42px);
  border-bottom: 2px solid var(--line-200);
  background:
    repeating-linear-gradient(90deg, rgba(201, 210, 221, 0.42) 0 1px, transparent 1px 44px),
    linear-gradient(180deg, #E6EEF8 0%, var(--paper-50) 82%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.09em;
  color: var(--sky-700);
}

.page-faq h1 {
  margin: 0 0 16px;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 4.6vw, 49px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-900);
}

.page-faq .faq-hero__lede {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-900);
}

.page-faq .faq-hero__note {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--amber-400);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-500);
}

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

.page-faq .faq-meta__list {
  display: grid;
  gap: 9px;
  margin: 14px 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-meta__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink-line);
}

.page-faq .faq-meta__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-meta__list .mono {
  font-size: 13px;
  color: #A8BBD0;
}

.page-faq .faq-meta__list strong {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
}

.page-faq .faq-hero__metalink {
  margin: 0;
}

.page-faq .faq-hero__metalink a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon-400);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-faq .faq-hero__metalink a:hover,
.page-faq .faq-hero__metalink a:focus-visible {
  color: #FFFFFF;
}

.page-faq .faq-banner {
  margin-top: clamp(22px, 3vw, 38px);
  border: 2px solid var(--ink-900);
  background: var(--ink-900);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
  line-height: 0;
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 分组锚点 ---------- */
.page-faq .faq-anchors {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-faq .faq-anchors__label {
  margin-right: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-500);
}

.page-faq .faq-anchors__link {
  padding: 5px 11px;
  border: 2px solid var(--line-200);
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-900);
  text-decoration: none;
  transition: box-shadow 0.16s ease-out, transform 0.16s ease-out, border-color 0.16s ease-out;
}

.page-faq .faq-anchors__link:hover,
.page-faq .faq-anchors__link:focus-visible {
  border-color: var(--ink-900);
  box-shadow: var(--faq-shadow-sm);
  transform: translate(-1px, -1px);
}

/* ---------- 筛选条 ---------- */
.page-faq .filter-bar {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-faq .filter-bar__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-bar__status {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--text-500);
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group {
  padding: clamp(26px, 4vw, 50px) 0;
  border-bottom: 2px solid var(--line-200);
  scroll-margin-top: 88px;
}

.page-faq .qa-group:last-of-type {
  border-bottom: 0;
  padding-bottom: clamp(30px, 4vw, 56px);
}

.page-faq .qa-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: clamp(16px, 2.2vw, 26px);
}

.page-faq .qa-group__bar {
  flex: 0 0 auto;
  align-self: stretch;
  width: 8px;
  min-height: 34px;
  border: 2px solid var(--ink-900);
  background: var(--sky-600);
}

.page-faq .qa-group--transfers .qa-group__bar { background: var(--neon-400); }
.page-faq .qa-group--injury .qa-group__bar { background: var(--amber-400); }
.page-faq .qa-group--data .qa-group__bar { background: var(--violet-400); }
.page-faq .qa-group--citation .qa-group__bar { background: var(--aqua-400); }
.page-faq .qa-group--contact .qa-group__bar { background: var(--sky-600); }

.page-faq .qa-group__idx {
  flex: 0 0 auto;
  padding: 3px 7px;
  background: var(--line-200);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.page-faq .qa-group__title {
  flex: 1 1 auto;
  margin: 0;
  min-width: 10ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-900);
}

/* ---------- 折叠条目 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 14px;
}

.page-faq .qa {
  border: 2px solid var(--ink-900);
  background: #FFFFFF;
  box-shadow: var(--faq-shadow);
  transition: box-shadow 0.18s ease-out, transform 0.18s ease-out;
}

.page-faq .qa:hover {
  box-shadow: 2px 2px 0 var(--ink-900);
  transform: translate(4px, 4px);
}

.page-faq .qa[open] {
  box-shadow: 2px 2px 0 var(--ink-900);
}

.page-faq .qa[open]:hover {
  transform: none;
}

.page-faq .qa[hidden],
.page-faq .faq-flow[hidden],
.page-faq .faq-flow__steps[hidden] {
  display: none;
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16.5px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--text-900);
  transition: background 0.16s ease-out;
}

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  background: var(--sky-100);
}

.page-faq .qa[open] .qa__q {
  border-bottom: 2px solid var(--ink-900);
  background: var(--sky-100);
}

.page-faq .qa__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--text-500);
}

.page-faq .qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border: 2px solid var(--ink-900);
  background: var(--paper-50);
  transition: background 0.16s ease-out;
}

.page-faq .qa__mark svg {
  display: block;
  width: 12px;
  height: 12px;
}

.page-faq .qa__mark line {
  stroke: var(--ink-900);
  stroke-width: 2.6;
  stroke-linecap: round;
}

.page-faq .qa__mark-v {
  transition: opacity 0.14s ease-out;
}

.page-faq .qa[open] .qa__mark-v {
  opacity: 0;
}

.page-faq .qa-group--transfers .qa[open] .qa__mark { background: var(--neon-400); }
.page-faq .qa-group--injury .qa[open] .qa__mark { background: var(--amber-200); }
.page-faq .qa-group--data .qa[open] .qa__mark { background: var(--violet-400); }
.page-faq .qa-group--citation .qa[open] .qa__mark { background: var(--aqua-400); }
.page-faq .qa-group--contact .qa[open] .qa__mark { background: var(--sky-600); }

.page-faq .qa__a {
  padding: 14px 18px 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-900);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a strong {
  font-weight: 700;
  color: var(--sky-700);
}

.page-faq .qa__a a {
  color: var(--sky-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__a .tag {
  margin: 0 2px;
}

@keyframes faq-answer-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .qa[open] .qa__a {
  animation: faq-answer-in 0.18s ease-out both;
}

/* ---------- 判定顺序示意 ---------- */
.page-faq .faq-flow {
  margin: 16px 0;
  border: 2px solid var(--ink-900);
  background: var(--ink-900);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
  line-height: 0;
}

.page-faq .faq-flow img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-flow figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--ink-line);
  background: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--amber-200);
}

.page-faq .faq-flow__steps {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__steps li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 2px solid var(--line-200);
  background: #FFFFFF;
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .faq-flow__step-num {
  flex: 0 0 auto;
  padding: 2px 6px;
  background: var(--amber-200);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  margin-top: 18px;
  padding: 20px;
  border: 2px solid var(--ink-900);
  background: var(--ink-900);
  box-shadow: 6px 6px 0 var(--amber-400);
  color: var(--paper-50);
}

.page-faq .faq-contact__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-400);
}

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

.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .faq-contact__list .mono {
  min-width: 5.5em;
  font-size: 13px;
  color: #A8BBD0;
}

.page-faq .faq-contact__list strong {
  font-weight: 600;
  color: #FFFFFF;
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #C7D4E4;
}

.page-faq .faq-contact__note a {
  color: var(--neon-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束块 ---------- */
.page-faq .faq-tail {
  padding: clamp(26px, 4vw, 56px) 0 clamp(34px, 5vw, 64px);
}

.page-faq .faq-tail__panel {
  padding: clamp(20px, 3vw, 34px);
  border: 2px solid var(--ink-900);
  background: linear-gradient(135deg, var(--sky-100) 0%, #FFFFFF 72%);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-tail__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-900);
}

.page-faq .faq-tail__text {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-900);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 44px;
  }
}

@media (max-width: 600px) {
  .page-faq .qa__q {
    gap: 10px;
    padding: 14px 14px;
    font-size: 15.5px;
  }

  .page-faq .qa__a {
    padding: 12px 14px 16px;
    font-size: 15.5px;
  }

  .page-faq .qa__num {
    padding-top: 3px;
    font-size: 12px;
  }

  .page-faq .qa-group__bar {
    min-height: 28px;
  }

  .page-faq .faq-contact {
    padding: 16px;
  }
}

@media (max-width: 520px) {
  .page-faq .qa,
  .page-faq .faq-banner,
  .page-faq .faq-flow {
    box-shadow: var(--faq-shadow-sm);
  }

  .page-faq .qa:hover {
    transform: none;
    box-shadow: var(--faq-shadow-sm);
  }

  .page-faq .faq-tail__panel {
    box-shadow: var(--faq-shadow-sm);
  }

  .page-faq .faq-contact {
    box-shadow: 4px 4px 0 var(--amber-400);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__mark,
  .page-faq .qa__mark-v,
  .page-faq .faq-anchors__link {
    transition: none;
  }

  .page-faq .qa[open] .qa__a {
    animation: none;
  }

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