.page-faq {
  --faq-sticky: 64px;
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-pad: clamp(16px, 3vw, 22px);
  display: block;
  position: relative;
  overflow-x: clip;
}

.page-faq .shell {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 60px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(640px, 92vw);
  height: min(640px, 92vw);
  background: radial-gradient(circle at 62% 38%, rgba(228, 192, 112, 0.20), rgba(73, 214, 232, 0.08) 46%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .crumbs ol li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-faq .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold-deep);
}

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

.page-faq .faq-title {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
}

.page-faq .lede {
  margin: 0;
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero-media {
  position: relative;
}

.page-faq .faq-hero-media::after {
  content: "";
  position: absolute;
  left: -6%;
  bottom: -8%;
  width: 42%;
  height: 46%;
  border-radius: var(--r-l);
  background: linear-gradient(120deg, rgba(164, 104, 255, 0.22), rgba(73, 214, 232, 0.14));
  filter: blur(22px);
  z-index: -1;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-l);
  border: 1px solid var(--line);
}

/* ---------- 两步流程条 ---------- */
.page-faq .faq-flow {
  position: relative;
  z-index: 3;
  padding: 0 0 clamp(24px, 4vw, 40px);
}

.page-faq .faq-flow-inner {
  display: grid;
  gap: 14px;
  padding: clamp(14px, 2.4vw, 20px) clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(120deg, rgba(17, 21, 36, 0.96), rgba(7, 10, 20, 0.88) 62%);
}

.page-faq .faq-flow-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow-step {
  flex: 1 1 190px;
  display: grid;
  gap: 3px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(44, 49, 66, 0.30);
}

.page-faq .faq-flow-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-flow-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-flow-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-flow-arrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  padding: 0 2px;
}

.page-faq .faq-flow-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ---------- 分组跳转 ---------- */
.page-faq .faq-jump {
  padding: 0 0 clamp(20px, 3.4vw, 36px);
}

.page-faq .faq-jump-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump-row .chip {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- 分组结构 ---------- */
.page-faq .faq-group {
  padding: clamp(36px, 6.4vw, 78px) 0;
}

.page-faq .faq-band {
  background: linear-gradient(180deg, rgba(17, 21, 36, 0), rgba(17, 21, 36, 0.86) 10%, rgba(17, 21, 36, 0.86) 90%, rgba(17, 21, 36, 0));
}

.page-faq .faq-band--last {
  background: linear-gradient(180deg, rgba(17, 21, 36, 0), rgba(17, 21, 36, 0.9) 8%, rgba(201, 123, 85, 0.10) 55%, rgba(17, 21, 36, 0.9) 94%, rgba(17, 21, 36, 0));
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-group-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-group-title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-group-intro {
  max-width: 40em;
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-group-body {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-acc-col {
  min-width: 0;
}

.page-faq .faq-grid-2 {
  display: grid;
  gap: 12px;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  position: relative;
  margin: 0 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(17, 21, 36, 0.72);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-acc::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.36s var(--ease);
}

.page-faq .faq-acc[open] {
  border-color: rgba(228, 192, 112, 0.42);
}

.page-faq .faq-acc[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-acc summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(14px, 2.4vw, 20px);
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-acc[open] summary {
  background: rgba(228, 192, 112, 0.055);
}

.page-faq .faq-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mist);
  min-width: 30px;
}

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

.page-faq .faq-q {
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
  min-width: 0;
}

.page-faq .faq-toggle {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--mist);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-toggle::before {
  width: 9px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-toggle::after {
  width: 1.5px;
  height: 9px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-acc[open] .faq-toggle {
  border-color: rgba(228, 192, 112, 0.6);
}

.page-faq .faq-acc[open] .faq-toggle::before,
.page-faq .faq-acc[open] .faq-toggle::after {
  background: var(--gold);
}

.page-faq .faq-acc[open] .faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-acc .acc-body {
  padding: 2px clamp(14px, 2.4vw, 20px) 18px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-acc .acc-body p {
  margin: 0;
}

.page-faq .faq-steps {
  display: grid;
  gap: 9px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .faq-mark {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-mark::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 3px rgba(111, 160, 122, 0.18);
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-aside {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-faq .faq-aside img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-m);
  border: 1px solid var(--line);
}

.page-faq .faq-note {
  padding: 14px 16px;
  border: 1px solid rgba(255, 138, 61, 0.34);
  border-radius: var(--r-s);
  background: rgba(255, 138, 61, 0.07);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--paper);
}

.page-faq .faq-note strong {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-faq .faq-aside-card {
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(17, 21, 36, 0.8);
}

.page-faq .faq-aside-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-aside-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-aside-list .mono-num {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-aside-foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-aside-link {
  margin-top: 14px;
  display: inline-flex;
  text-decoration: none;
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-support-grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-support-card {
  padding: clamp(18px, 2.8vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(17, 21, 36, 0.78);
}

.page-faq .faq-support-card--gold {
  border-color: rgba(228, 192, 112, 0.42);
  background: linear-gradient(150deg, rgba(228, 192, 112, 0.10), rgba(17, 21, 36, 0.85) 58%);
}

.page-faq .faq-support-title {
  margin: 0 0 12px;
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-support-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-support-list li {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-support-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--clay);
}

.page-faq .faq-contact-line {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-line .mono-num {
  display: inline-block;
  min-width: 58px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-support-note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-support-btn {
  margin-top: 16px;
  display: inline-flex;
  text-decoration: none;
}

/* ---------- 相关页面 ---------- */
.page-faq .faq-more {
  padding: clamp(34px, 6vw, 72px) 0 clamp(56px, 8vw, 96px);
}

.page-faq .faq-more-title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--paper);
}

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

.page-faq .faq-more-list a {
  display: grid;
  grid-template-columns: 34px minmax(0, auto) minmax(0, 1fr);
  gap: 10px 14px;
  align-items: baseline;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: rgba(17, 21, 36, 0.6);
  text-decoration: none;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .faq-more-list a:hover,
.page-faq .faq-more-list a:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(228, 192, 112, 0.5);
}

.page-faq .faq-more-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-faq .faq-more-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-more-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 滚动显现 ---------- */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.42s var(--ease), transform 0.42s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-acc .acc-body {
    padding-left: clamp(56px, 6vw, 62px);
  }

  .page-faq .faq-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 14px;
  }

  .page-faq .faq-support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-flow {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-flow-inner {
    grid-template-columns: minmax(0, 1fr) 262px;
    align-items: center;
  }

  .page-faq .faq-flow-steps {
    flex-wrap: nowrap;
  }

  .page-faq .faq-flow-note {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: 18px;
  }

  .page-faq .faq-group-body {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.72fr);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 118px;
  }

  .page-faq .faq-more-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-support-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-acc,
  .page-faq .faq-toggle,
  .page-faq .faq-acc::before,
  .page-faq .faq-more-list a {
    transition: none;
  }
}
</main>

.page-faq {
  --reveal-delay: 0.3s;
}