.page-faq {
  --faq-panel: #0F2A22;
  --faq-panel-2: #0A1D18;
  --faq-text: #CFDED8;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .faq-crumb {
  padding-top: 1.1rem;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .78rem;
  color: var(--muted);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: .45rem;
  color: var(--line);
}

.page-faq .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 2rem 0 1.5rem;
  background-image:
    repeating-linear-gradient(0deg, rgba(40, 68, 58, .55) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(90deg, rgba(40, 68, 58, .55) 0 1px, transparent 1px 52px);
  background-position: center top;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.page-faq .faq-hero-copy .eyebrow {
  margin: 0 0 .85rem;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-faq .faq-hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-lede {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--faq-panel-2);
}

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

.page-faq .faq-hero-cap {
  margin: 0;
  padding: .6rem .75rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-faq .faq-status-band {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1.4rem;
  margin: 1.75rem 0 0;
  padding: .9rem 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: .82rem;
  color: var(--faq-text);
}

.page-faq .faq-status-band li {
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ---------- 主双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding: 2.25rem 0 3.5rem;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--faq-panel-2);
  padding: 1rem;
}

.page-faq .faq-index-title {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .02em;
  color: var(--white);
}

.page-faq .faq-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .35rem;
}

.page-faq .faq-index-link {
  display: flex;
  gap: .65rem;
  align-items: baseline;
  padding: .6rem .6rem;
  border-left: 2px solid var(--line);
  color: var(--faq-text);
  font-size: .86rem;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(60, 242, 196, .08);
  color: var(--white);
}

.page-faq .faq-index-num {
  color: var(--cyan);
  font-size: .74rem;
  letter-spacing: .06em;
}

.page-faq .faq-index-foot {
  margin: 1rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 区块 ---------- */
.page-faq .faq-block {
  padding-bottom: 2.25rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px dashed var(--line);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-faq .faq-block--last {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-block-head .eyebrow {
  margin: 0 0 .6rem;
  color: var(--signal);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-faq .faq-block-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-faq .faq-block-lede {
  margin: .75rem 0 0;
  max-width: 60ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-sub-title {
  margin: 1.75rem 0 .6rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--yellow);
  text-transform: uppercase;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-steps--tight {
  margin-top: .85rem;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: .75rem;
  padding: .9rem 1rem;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-step-num {
  font-size: .8rem;
  color: var(--cyan);
  letter-spacing: .06em;
  padding-top: .12rem;
}

.page-faq .faq-step-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-step p {
  margin: .35rem 0 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--faq-text);
}

/* ---------- 时间轴 ---------- */
.page-faq .faq-timeline {
  margin-top: 1.75rem;
  padding: 1.1rem 1rem 1.25rem;
  background: var(--faq-panel-2);
  border: 1px solid var(--line);
}

.page-faq .faq-timeline .faq-sub-title {
  margin-top: 0;
}

.page-faq .faq-timeline-list {
  margin: .5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-tl-node {
  position: relative;
  padding-left: 1.4rem;
}

.page-faq .faq-tl-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: .45rem;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-faq .faq-tl-node::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 1rem;
  bottom: -1rem;
  width: 1px;
  background: var(--line);
}

.page-faq .faq-tl-node:last-child::after {
  display: none;
}

.page-faq .faq-tl-node--signal::before {
  background: var(--signal);
}

.page-faq .faq-tl-time {
  display: block;
  font-size: .7rem;
  letter-spacing: .07em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-tl-node--signal .faq-tl-time {
  color: var(--signal);
}

.page-faq .faq-tl-node p {
  margin: .3rem 0 0;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--faq-text);
}

/* ---------- 折叠 ---------- */
.page-faq .faq-fold {
  margin-top: .7rem;
  background: var(--faq-panel-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  transition: border-color .18s ease;
}

.page-faq .faq-fold[open] {
  border-left-color: var(--cyan);
}

.page-faq .faq-fold summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: .9rem;
  font-weight: 600;
  color: var(--white);
}

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

.page-faq .faq-fold summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--cyan);
}

.page-faq .faq-fold[open] summary::after {
  content: "\2212";
}

.page-faq .faq-fold-body {
  padding: 0 1rem .9rem;
}

.page-faq .faq-fold-body p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--faq-text);
}

/* ---------- 射门统计 ---------- */
.page-faq .faq-shot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.page-faq .faq-shot-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper-alt);
}

.page-faq .faq-shot-copy .faq-sub-title {
  margin-top: 0;
}

.page-faq .faq-refresh-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .35rem;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--faq-text);
}

.page-faq .faq-refresh-demo .mono {
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .08em;
}

.page-faq .faq-pulse-ring {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  animation: faq-pulse 2.2s ease-out 2;
}

@keyframes faq-pulse {
  0% { box-shadow: 0 0 0 0 rgba(60, 242, 196, .55); }
  100% { box-shadow: 0 0 0 12px rgba(60, 242, 196, 0); }
}

.page-faq .faq-tabs {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  background: var(--faq-panel-2);
}

.page-faq .faq-tablist {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: var(--faq-panel);
  scrollbar-width: thin;
}

.page-faq .faq-tablist .tab {
  flex: 0 0 auto;
  padding: .8rem 1.05rem;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

.page-faq .faq-tablist .tab:hover {
  color: var(--white);
  background: rgba(60, 242, 196, .08);
}

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

.page-faq .faq-tabs .tab-panel {
  padding: 1rem 1.05rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-tabs .tab-panel p {
  margin: 0;
}

.page-faq .faq-tabs .tab-panel:not([hidden]) {
  animation: faq-panel-in .26s ease-out 1 both;
}

@keyframes faq-panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-metric-lede {
  margin: 0 0 .75rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--faq-text);
}

.page-faq .faq-metric-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-metric-list li {
  padding: .35rem .65rem;
  border: 1px solid var(--line);
  background: var(--faq-panel);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-faq .faq-metric-list li:last-child {
  color: var(--muted);
  border-style: dashed;
}

/* ---------- 反馈流程 ---------- */
.page-faq .faq-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .7rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow-item {
  padding: .95rem 1rem;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--signal);
}

.page-faq .faq-flow-num {
  display: block;
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--signal);
}

.page-faq .faq-flow-item h3 {
  margin: .35rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
}

.page-faq .faq-flow-item p {
  margin: .35rem 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-contact {
  margin-top: 1.5rem;
  padding: 1.15rem 1rem;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
}

.page-faq .faq-contact-title {
  margin: 0 0 .8rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--white);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .55rem;
}

.page-faq .faq-contact-list li {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: .6rem;
  align-items: baseline;
  font-size: .86rem;
  line-height: 1.6;
}

.page-faq .faq-contact-key {
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .faq-contact-val {
  color: var(--white);
  word-break: break-word;
}

.page-faq a.faq-contact-val {
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color .18s ease, background-color .18s ease;
}

.page-faq a.faq-contact-val:hover,
.page-faq a.faq-contact-val:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-contact-note {
  margin: .9rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--line);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-contact-more {
  margin: .7rem 0 0;
}

.page-faq .faq-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(60, 242, 196, .45);
  transition: border-color .18s ease, color .18s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-faq .faq-more {
  margin: 1.5rem 0 0;
  padding: .9rem 1rem;
  border: 1px dashed var(--line);
  font-size: .84rem;
  line-height: 1.8;
  color: var(--faq-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 2.75rem 0 2rem;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 2.5rem;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem;
  }

  .page-faq .faq-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-shot-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 1.75rem;
    align-items: start;
  }

  .page-faq .faq-timeline-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-faq .faq-tl-node {
    padding-left: 0;
    padding-top: 1.4rem;
  }

  .page-faq .faq-tl-node::before {
    top: 0;
    left: 0;
  }

  .page-faq .faq-tl-node::after {
    left: 14px;
    right: -1.25rem;
    top: 3px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 3rem;
    padding-top: 2.75rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }

  .page-faq .faq-block {
    scroll-margin-top: calc(var(--header-h) + 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pulse-ring,
  .page-faq .faq-tabs .tab-panel:not([hidden]) {
    animation: none;
  }

  .page-faq .faq-index-link,
  .page-faq .faq-fold,
  .page-faq .faq-tablist .tab,
  .page-faq .faq-link {
    transition: none;
  }
}