.page-faq {
  --faq-aside-w: 268px;
  --faq-gap: clamp(18px, 2.6vw, 32px);
  --faq-hair: 1px solid var(--line-700);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(28px, 4.5vw, 56px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -18% -12% 24% -22%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(42% 46% at 16% 24%, rgba(56, 242, 226, .16), transparent 68%),
    radial-gradient(40% 44% at 84% 12%, rgba(139, 92, 246, .22), transparent 70%);
  animation: faqBreathe 9s ease-in-out infinite;
}
@keyframes faqBreathe {
  0%, 100% { opacity: .72; }
  50% { opacity: 1; }
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}
.page-faq .faq-hero__copy {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}
.page-faq .faq-hero__media {
  position: relative;
  border: var(--faq-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: 0 26px 60px rgba(3, 7, 20, .55);
}
.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(180deg, rgba(10, 16, 36, 0), rgba(10, 16, 36, .78));
  pointer-events: none;
}

/* ---------- 热门速答 ---------- */
.page-faq .faq-quick-section .zr-h2 {
  margin-top: 8px;
}
.page-faq .faq-quick {
  list-style: none;
  margin: clamp(20px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}
.page-faq .faq-quick__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 20px;
  border: var(--faq-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 26, 51, .94), rgba(14, 23, 48, .7));
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.page-faq .faq-quick__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 52px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), var(--violet-500));
}
.page-faq .faq-quick__item:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 242, 226, .42);
}
.page-faq .faq-quick__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber-400);
}
.page-faq .faq-quick__item .zr-h3 {
  margin: 0;
}
.page-faq .faq-quick__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 226, .38);
  padding-bottom: 2px;
  transition: border-color var(--speed) var(--ease);
}
.page-faq .faq-quick__link:hover {
  border-bottom-color: var(--amber-400);
  color: var(--paper-100);
}

/* ---------- 双栏主体 ---------- */
.page-faq .faq-body {
  padding-top: clamp(24px, 4vw, 44px);
}
.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}
.page-faq .faq-aside {
  min-width: 0;
}
.page-faq .faq-aside__sticky {
  display: grid;
  gap: 12px;
  padding: 18px 16px;
  border: var(--faq-hair);
  border-radius: var(--radius);
  background: rgba(16, 26, 51, .6);
}
.page-faq .faq-toc .zr-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-toc__item {
  min-width: 0;
}
.page-faq .faq-toc .zr-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist-300);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}
.page-faq .faq-toc .zr-toc__link:hover {
  color: var(--paper-100);
  background: rgba(56, 242, 226, .06);
}
.page-faq .faq-toc .zr-toc__link.is-active {
  color: var(--paper-100);
  border-left-color: var(--amber-400);
  background: rgba(56, 242, 226, .08);
}
.page-faq .faq-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan-400);
  flex: 0 0 auto;
}
.page-faq .faq-aside__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-300);
  border-top: var(--faq-hair);
  padding-top: 12px;
}
.page-faq .faq-aside__hint .zr-mono {
  color: var(--cyan-400);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}
.page-faq .faq-group {
  margin-top: clamp(38px, 5.5vw, 64px);
  scroll-margin-top: 104px;
}
.page-faq .faq-group:first-child {
  margin-top: 0;
}
.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  margin-bottom: 12px;
  border-top: var(--faq-hair);
  position: relative;
}
.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-400), transparent);
}
.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--violet-500);
}
.page-faq .faq-group__head .zr-h2 {
  margin: 0;
}
.page-faq .faq-group__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}
.page-faq .faq-group__lead .zr-mono {
  color: var(--paper-100);
}
.page-faq .faq-group__figure {
  margin: 18px 0 6px;
  border: var(--faq-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}
.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-group__figure .zr-media__cap {
  padding: 10px 14px 12px;
  font-size: 13px;
  color: var(--mist-300);
  border-top: var(--faq-hair);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: var(--faq-hair);
  scroll-margin-top: 104px;
}
.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15.5px, 1.5vw, 18px);
  line-height: 1.55;
  color: var(--paper-100);
  transition: color var(--speed) var(--ease);
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q:hover {
  color: var(--cyan-400);
}
.page-faq .faq-item__mark {
  flex: 0 0 auto;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--line-700);
  border-radius: 2px;
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan-400);
  transition: transform var(--speed) var(--ease), opacity var(--speed) var(--ease);
}
.page-faq .faq-item__mark::before {
  left: 4px;
  right: 4px;
  top: 8px;
  height: 1px;
}
.page-faq .faq-item__mark::after {
  top: 4px;
  bottom: 4px;
  left: 8px;
  width: 1px;
}
.page-faq .faq-item[open] .faq-item__mark {
  border-color: rgba(56, 242, 226, .6);
  background: rgba(56, 242, 226, .08);
}
.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-faq .faq-item[open] .faq-item__q {
  color: var(--cyan-400);
}
.page-faq .faq-item__a {
  padding: 0 4px 22px 36px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist-300);
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a .zr-mono {
  color: var(--paper-100);
}
.page-faq .faq-inline-link {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 226, .35);
}
.page-faq .faq-inline-link:hover {
  color: var(--amber-400);
  border-bottom-color: var(--amber-400);
}

/* 步骤列表：琥珀金编号圆点 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 32px;
  min-height: 22px;
}
.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0;
  color: var(--amber-400);
  border: 1px solid rgba(245, 184, 76, .45);
  border-radius: 999px;
}

/* ---------- 组尾行动块 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 18px;
  border: var(--faq-hair);
  border-left: 2px solid var(--amber-400);
  border-radius: var(--radius);
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(139, 92, 246, .18), transparent 62%),
    rgba(16, 26, 51, .72);
}
.page-faq .faq-cta__text {
  display: grid;
  gap: 6px;
}
.page-faq .faq-cta__text .zr-h3,
.page-faq .faq-cta__text .zr-text {
  margin: 0;
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 移动端吸附条 ---------- */
.page-faq .faq-mobilebar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  display: flex;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 16, 36, .95);
  border-top: var(--faq-hair);
  backdrop-filter: blur(10px);
}

/* ---------- 断点 ---------- */
@media (min-width: 780px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-aside-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-aside__sticky {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 979px) {
  .page-faq .faq-mobilebar {
    display: none;
  }
}

@media (max-width: 720px) {
  .page-faq .faq-mobilebar {
    display: flex;
  }
  .page-faq {
    padding-bottom: 84px;
  }
  .page-faq .faq-item__a {
    padding-left: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero::before {
    animation: none;
  }
  .page-faq .faq-quick__item:hover {
    transform: none;
  }
}