.page-faq {
  --faq-accent: var(--neon);
  --faq-panel: rgba(16, 22, 20, .82);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3.4vw, 36px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1.5px solid var(--line);
}

.page-faq .faq-hero__text {
  max-width: 62ch;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--mute);
  max-width: 60ch;
}

.page-faq .faq-hero__media {
  align-self: end;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  padding-top: clamp(28px, 4vw, 52px);
  align-items: start;
}

/* ---------- 左侧分类导航 ---------- */
.page-faq .faq-nav {
  border: 1.5px solid var(--line);
  background: var(--ink-800);
  padding: 18px 18px 20px;
}

.page-faq .faq-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-editorial);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-faq .faq-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-faq .faq-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  border: 1.5px solid transparent;
  border-left: 3px solid var(--line);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .faq-nav__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faq-accent);
  letter-spacing: .04em;
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  border-color: var(--faq-accent);
  border-left-color: var(--faq-accent);
  background: rgba(61, 245, 176, .08);
  transform: translateX(2px);
  outline: none;
}

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

.page-faq .faq-nav__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1.5px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  min-width: 0;
}

.page-faq .faq-group {
  border-top: 1.5px solid var(--line);
  padding-top: clamp(18px, 2.4vw, 26px);
  scroll-margin-top: 120px;
}

.page-faq .faq-group--calendar { --faq-accent: var(--amber); }
.page-faq .faq-group--pace { --faq-accent: var(--score); }
.page-faq .faq-group--account { --faq-accent: var(--neon-soft); }

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-faq .faq-group__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 30px;
  padding: 0 8px;
  background: var(--faq-accent);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
}
.page-faq .faq-group--calendar .faq-group__no { color: var(--ink-900); }

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 700;
  line-height: 1.28;
  color: var(--paper);
}

/* ---------- 问答卡 ---------- */
.page-faq .qa {
  border: 1.5px solid var(--line);
  background: var(--faq-panel);
  margin-bottom: 10px;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--faq-accent);
}

.page-faq .qa[open] {
  border-color: var(--faq-accent);
  box-shadow: var(--shadow-hard);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-height: 44px;
  padding: 15px 44px 15px 16px;
  cursor: pointer;
  list-style: none;
  position: relative;
  color: var(--paper);
  font-size: 16.5px;
  line-height: 1.5;
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--faq-accent);
}

.page-faq .qa[open] .qa__q::after { content: "–"; }

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

.page-faq .qa__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 22px;
  color: var(--ink-900);
  background: var(--faq-accent);
  padding: 0 6px;
  letter-spacing: .04em;
}

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

.page-faq .qa__a {
  padding: 2px 18px 20px 16px;
  border-top: 1.5px dashed var(--line);
  margin-top: 0;
  color: var(--mute);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-faq .qa[open] .qa__a {
  animation: faq-open 180ms var(--ease) both;
}

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

.page-faq .qa__a p {
  margin: 14px 0 0;
}

.page-faq .qa__a a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1.5px solid var(--faq-accent);
  padding-bottom: 1px;
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--faq-accent);
  outline: none;
}

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

/* ---------- 步骤条 ---------- */
.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 16px 0 0;
  padding: 0 0 0 40px;
  position: relative;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 14px;
  bottom: 18px;
  width: 1.5px;
  background: repeating-linear-gradient(to bottom, var(--faq-accent) 0 6px, transparent 6px 13px);
  opacity: .7;
}

.page-faq .steps li {
  counter-increment: step;
  position: relative;
  padding-bottom: 14px;
  color: var(--mute);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-faq .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -40px;
  top: 0;
  width: 27px;
  height: 27px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-900);
  border: 1.5px solid var(--faq-accent);
  color: var(--faq-accent);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .02em;
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .steps li:hover::before {
  background: var(--faq-accent);
  color: var(--ink-900);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin-top: 20px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(36px, 5vw, 68px);
  border-top: 1.5px solid var(--line);
  border-bottom: 1.5px solid var(--line);
  background:
    linear-gradient(120deg, rgba(20, 53, 42, .9), rgba(8, 19, 15, .92) 62%),
    repeating-linear-gradient(0deg, rgba(61, 245, 176, .05) 0 1px, transparent 1px 4px);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 20px;
  padding: clamp(28px, 4vw, 48px) 0;
}

.page-faq .faq-cta h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 24ch;
}

.page-faq .faq-cta__text p {
  margin: 12px 0 0;
  color: var(--mute);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 56ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 显现 ---------- */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

.page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    grid-template-columns: 1fr;
  }
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }
  .page-faq .faq-nav {
    position: sticky;
    top: 108px;
  }
  .page-faq .faq-group__title {
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-faq .qa[open] .qa__a { animation: none; }
  .page-faq .qa,
  .page-faq .faq-nav__link,
  .page-faq .steps li::before { transition: none; }
}