.page-faq {
  --faq-radius-a: 26px;
  --faq-radius-b: 14px;
  --faq-line-soft: rgba(58, 69, 133, 0.62);
  color: var(--ink);
  font-family: var(--sans);
}

.page-faq .wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px 72px;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  text-decoration: underline;
}

.page-faq .crumbs__sep {
  color: var(--line);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 26px 0 0;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  left: -12%;
  right: -12%;
  height: 460px;
  background:
    radial-gradient(58% 78% at 74% 24%, rgba(122, 59, 255, 0.34), transparent 68%),
    radial-gradient(42% 62% at 10% 6%, rgba(47, 243, 224, 0.14), transparent 72%),
    radial-gradient(34% 52% at 92% 66%, rgba(255, 122, 47, 0.14), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__text .eyebrow {
  display: inline-block;
  margin: 0 0 18px;
}

.page-faq .display {
  margin: 0 0 20px;
  font-size: clamp(36px, 8.2vw, 68px);
  font-weight: 200;
  line-height: 1.08;
  letter-spacing: 0.03em;
  color: var(--ink);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-faq .display {
    background: linear-gradient(104deg, #edf0ff 14%, #a7b0db 58%, #2ff3e0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ---------- 图片容器 ---------- */
.page-faq .faq-shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--faq-radius-a) var(--faq-radius-b) var(--faq-radius-a) var(--faq-radius-b);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-faq .faq-shot__img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-shot__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 11px;
  border: 1px solid var(--faq-line-soft);
  border-radius: 999px;
  background: rgba(10, 14, 39, 0.86);
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ---------- 故障状态条 ---------- */
.page-faq .glitch-bar {
  position: relative;
  margin: 32px 0 0;
  border-top: 1px solid var(--faq-line-soft);
  border-bottom: 1px solid var(--faq-line-soft);
  background:
    linear-gradient(90deg, rgba(47, 243, 224, 0.07), rgba(255, 46, 122, 0.09) 58%, rgba(255, 122, 47, 0.08));
}

.page-faq .glitch-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(237, 240, 255, 0.05) 0 1px, transparent 1px 34px);
  pointer-events: none;
}

.page-faq .glitch-bar__inner {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
  padding: 13px 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .glitch-bar__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .glitch-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--faq-line-soft);
  border-radius: 999px;
  background: rgba(22, 28, 63, 0.72);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.page-faq .glitch-item b {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-shadow: 1.5px 0 0 rgba(255, 46, 122, 0.55), -1.5px 0 0 rgba(47, 243, 224, 0.4);
}

/* ---------- 章节 ---------- */
.page-faq .section {
  padding: 54px 0 0;
}

.page-faq .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 12px;
}

.page-faq .sec-head__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--orange);
}

.page-faq .sec-head__title {
  margin: 0;
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.page-faq .note {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三步自查 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--faq-line-soft);
}

.page-faq .steps > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 22px 18px;
  background: var(--panel);
}

.page-faq .steps__num {
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-faq .steps__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.page-faq .steps__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .steps__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 224, 0.4);
}

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

.page-faq .steps__check {
  margin: 12px 0 8px;
  padding: 8px 12px;
  border-left: 2px solid var(--green);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(59, 227, 138, 0.08);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--green);
}

.page-faq .steps__fail {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 标签页 ---------- */
.page-faq .tablist {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .tablist::-webkit-scrollbar {
  display: none;
}

.page-faq .tab {
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  padding: 14px 16px;
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .tab:hover {
  color: var(--ink);
}

.page-faq .tab[aria-selected="true"] {
  color: var(--ink);
  border-bottom-color: var(--cyan);
}

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

.page-faq .tabpanel {
  padding: 26px 0 0;
}

.page-faq .tabpanel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-faq .panel-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: 0.02em;
}

.page-faq .panel-lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .panel-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .panel-split__main {
  min-width: 0;
}

.page-faq .panel-split__art {
  min-width: 0;
}

.page-faq .panel-split__art .faq-shot__img {
  aspect-ratio: 16 / 9;
}

/* ---------- 手风琴 ---------- */
.page-faq .acc {
  margin: 0 0 10px;
  border: 1px solid var(--faq-line-soft);
  border-left: 3px solid var(--faq-line-soft);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(22, 28, 63, 0.6);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .acc[open] {
  border-left-color: var(--cyan);
  background: rgba(22, 28, 63, 0.96);
}

.page-faq .acc > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .acc > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .acc__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .acc[open] .acc__num {
  color: var(--cyan);
}

.page-faq .acc__chev {
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .acc[open] .acc__chev {
  transform: rotate(90deg);
  color: var(--cyan);
}

.page-faq .acc__body {
  padding: 0 18px 18px 18px;
  border-top: 1px solid rgba(58, 69, 133, 0.42);
  padding-top: 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

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

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

.page-faq .acc__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 224, 0.4);
}

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

/* ---------- 人工通道 ---------- */
.page-faq .human {
  position: relative;
  overflow: hidden;
  padding: 26px 20px;
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(148deg, rgba(255, 122, 47, 0.15), rgba(22, 28, 63, 0.94) 46%, rgba(122, 59, 255, 0.18));
}

.page-faq .human::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -70px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: var(--grad-heat);
  filter: blur(72px);
  opacity: 0.34;
  pointer-events: none;
}

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

.page-faq .human__lede {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .req-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .req-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .req-list li::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-faq .copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .copy-status {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-faq .human__foot {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .human__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 224, 0.4);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-faq .wrap {
    padding: 0 28px 88px;
  }

  .page-faq .steps > li {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 18px;
    padding: 26px 24px;
  }

  .page-faq .steps__num {
    padding-top: 4px;
  }

  .page-faq .human {
    padding: 34px 32px;
  }

  .page-faq .req-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 52px;
    align-items: center;
    padding-top: 38px;
  }

  .page-faq .faq-shot__img {
    aspect-ratio: 3 / 4;
  }

  .page-faq .panel-split {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.78fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .panel-split__art .faq-shot__img {
    aspect-ratio: 16 / 11;
  }

  .page-faq .acc__body {
    padding: 16px 22px 20px 22px;
  }

  .page-faq .glitch-bar__inner {
    justify-content: space-between;
    padding: 14px 24px;
  }
}

@media (min-width: 1200px) {
  .page-faq .wrap {
    padding: 0 40px 96px;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .glitch-item b {
    text-shadow: none;
  }

  .page-faq .tab,
  .page-faq .acc,
  .page-faq .acc__chev {
    transition: none;
  }
}