.page-faq {
  background: var(--jj-night);
  color: var(--jj-field);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 52px) 0 clamp(32px, 6vw, 68px);
  border-bottom: 1px solid var(--jj-line-soft);
  background:
    radial-gradient(900px 420px at 88% -12%, rgba(0, 229, 208, 0.18), transparent 66%),
    radial-gradient(700px 380px at 0% 110%, rgba(255, 90, 31, 0.16), transparent 62%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 58%;
  right: -12%;
  bottom: -34%;
  height: 220px;
  background: linear-gradient(90deg, rgba(255, 90, 31, 0.26), rgba(255, 90, 31, 0));
  transform: skewY(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 0.35em 0 0.55em;
  font-family: var(--jj-font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.2vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-faq .faq-hl {
  color: var(--jj-night);
  background: var(--jj-lime);
  padding: 0 0.18em;
  border-radius: 6px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--jj-radius-lg);
  overflow: hidden;
  border: 1px solid var(--jj-glass-line);
  background: rgba(255, 255, 255, 0.04);
  transform: rotate(-1.5deg);
  box-shadow: 0 40px 80px -60px rgba(0, 229, 208, 0.7);
}

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

/* ---------- 主体：索引 + 面板 ---------- */
.page-faq .faq-body {
  padding: clamp(28px, 5vw, 60px) 0 clamp(40px, 7vw, 88px);
}

.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-faq .faq-index {
  border-left: 2px solid var(--jj-line-soft);
  padding-left: 16px;
}

.page-faq .faq-index__head {
  margin: 0 0 10px;
  font-family: var(--jj-font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--jj-slate);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--jj-line);
  border-radius: 999px;
  color: var(--jj-text-soft);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--jj-ease), border-color 0.2s var(--jj-ease), background 0.2s var(--jj-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--jj-field);
  border-color: var(--jj-cyan);
  background: rgba(0, 229, 208, 0.1);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--jj-font-mono);
  font-weight: 700;
  font-size: 0.76rem;
  color: var(--jj-cyan);
}

.page-faq .faq-index__note {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--jj-slate);
  line-height: 1.7;
}

.page-faq .faq-index__note a {
  color: var(--jj-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.5);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 124px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.5vw, 52px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--jj-line);
}

.page-faq .faq-group__num {
  grid-row: span 2;
  font-family: var(--jj-font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--jj-orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--jj-font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  letter-spacing: -0.01em;
}

.page-faq .faq-group__desc {
  margin: 6px 0 0;
  grid-column: 2;
  max-width: 62ch;
  font-size: 0.92rem;
  color: var(--jj-slate);
  line-height: 1.7;
}

.page-faq .faq-group__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.page-faq .faq-group__media {
  margin: 14px 0 0;
  border: 1px solid var(--jj-glass-line);
  border-radius: var(--jj-radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}

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

.page-faq .faq-group__media figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--jj-line-soft);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--jj-slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  margin-top: 12px;
  border: 1px solid var(--jj-line-soft);
  border-radius: var(--jj-radius);
  background: var(--jj-glass);
  overflow: hidden;
  transition: background 0.3s var(--jj-ease), border-color 0.3s var(--jj-ease), box-shadow 0.3s var(--jj-ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(138, 154, 181, 0.4);
}

.page-faq .faq-item[open] {
  background: var(--jj-indigo);
  border-color: rgba(0, 229, 208, 0.42);
  box-shadow: inset 3px 0 0 0 var(--jj-cyan), 0 22px 46px -34px rgba(0, 229, 208, 0.55);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--jj-field);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--jj-font-mono);
  font-size: 1.2rem;
  line-height: 1.2;
  color: var(--jj-orange);
  transition: color 0.25s var(--jj-ease), transform 0.25s var(--jj-ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--jj-cyan);
  transform: rotate(180deg);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--jj-cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  max-width: 68ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--jj-text-soft);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a p + p {
  margin-top: 0.6em;
}

.page-faq .faq-item__a a {
  color: var(--jj-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 208, 0.42);
}

.page-faq .faq-item__a a:hover {
  border-bottom-color: var(--jj-cyan);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faqPanelIn 0.3s var(--jj-ease) both;
}

@keyframes faqPanelIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-param {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid rgba(200, 255, 61, 0.3);
  border-radius: 6px;
  background: rgba(200, 255, 61, 0.1);
  font-family: var(--jj-font-mono);
  font-size: 0.88em;
  font-weight: 700;
  color: var(--jj-lime);
  white-space: nowrap;
}

/* ---------- 底部咨询 ---------- */
.page-faq .faq-cta {
  padding: 0 0 clamp(40px, 7vw, 82px);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid rgba(255, 90, 31, 0.38);
  border-radius: var(--jj-radius-lg);
  background:
    linear-gradient(118deg, rgba(255, 90, 31, 0.18), rgba(0, 229, 208, 0.1) 68%, rgba(10, 18, 36, 0) 100%);
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-family: var(--jj-font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  letter-spacing: -0.01em;
}

.page-faq .faq-cta__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--jj-text-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 236px) minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__inner {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 132px;
    border-left: 1px solid var(--jj-line);
    padding-left: 18px;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-index__list > li + li {
    margin-top: 2px;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-radius: 0;
    padding: 10px 0;
    white-space: normal;
    border-bottom: 1px dashed var(--jj-line-soft);
    font-size: 0.92rem;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    border-bottom-color: var(--jj-cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}