.page-faq {
  --faq-glass: rgba(16, 42, 68, .5);
  --faq-line: rgba(155, 169, 184, .2);
  --faq-text: rgba(244, 247, 251, .78);
  --faq-gap: clamp(16px, 2.6vw, 30px);
  position: relative;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 38px) 0 clamp(26px, 5vw, 46px);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 120%;
  background:
    radial-gradient(46% 62% at 88% 4%, rgba(139, 92, 255, .18), transparent 68%),
    radial-gradient(42% 56% at 2% 24%, rgba(63, 224, 208, .13), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .crumb-sep {
  color: var(--stone);
  opacity: .6;
}

.page-faq .crumb-current {
  color: var(--stone);
}

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

.page-faq .crumb-link:hover {
  text-decoration: underline;
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 50px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 22ch;
}

.page-faq .faq-lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--faq-text);
  max-width: 58ch;
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-jump-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: rgba(11, 29, 51, .55);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color .24s var(--ease), color .24s var(--ease), transform .24s var(--ease);
}

.page-faq .faq-jump-link .mono {
  color: var(--violet);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-jump-link:hover {
  border-color: rgba(63, 224, 208, .5);
  color: var(--cyan);
  transform: translateX(3px);
}

.page-faq .faq-hero-visual {
  display: grid;
  gap: var(--faq-gap);
  align-content: start;
}

.page-faq .faq-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--line-soft);
}

.page-faq .faq-strip-item {
  padding: 14px 16px;
  background: rgba(7, 20, 38, .82);
}

.page-faq .faq-strip-item dt {
  font-size: 12px;
  color: var(--stone);
  margin-bottom: 6px;
}

.page-faq .faq-strip-item dd {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-sec {
  padding: clamp(38px, 6vw, 74px) 0 0;
}

.page-faq .faq-shead {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "lead lead";
  align-items: baseline;
  column-gap: 14px;
  row-gap: 10px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-shead .section-num {
  grid-area: num;
  font-size: 13px;
  color: var(--violet);
  letter-spacing: .1em;
}

.page-faq .faq-shead h2 {
  grid-area: title;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-slead {
  grid-area: lead;
  margin: 0;
  color: var(--faq-text);
  font-size: 15px;
  line-height: 1.75;
  max-width: 62ch;
}

/* ---------- 标签切换 ---------- */
.page-faq .tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 12px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .tab {
  flex: 0 0 auto;
  appearance: none;
  cursor: pointer;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(11, 29, 51, .72);
  color: rgba(244, 247, 251, .76);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .tab:hover {
  color: var(--cyan);
  border-color: rgba(63, 224, 208, .45);
}

.page-faq .tab.is-on {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

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

/* ---------- 折叠问答 ---------- */
.page-faq .fold {
  margin-bottom: 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--faq-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-faq .fold:hover {
  border-color: rgba(63, 224, 208, .32);
}

.page-faq .fold-toggle {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: none;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .fold-toggle::before {
  content: "Q";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  border: 1px solid rgba(63, 224, 208, .45);
  border-radius: 6px;
  padding: 2px 6px;
  line-height: 1.4;
}

.page-faq .fold-body {
  padding: 0 18px 16px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .fold-body p {
  margin: 14px 0 0;
  color: var(--faq-text);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 加载与访问 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-faq .step-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  position: relative;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 18px 18px 16px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-m);
  background: linear-gradient(100deg, rgba(16, 42, 68, .72), rgba(11, 29, 51, .42));
}

.page-faq .step-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: 6px;
  padding: 3px 8px;
  align-self: start;
  line-height: 1.5;
}

.page-faq .step-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
  line-height: 1.4;
}

.page-faq .step-body p {
  margin: 0;
  color: var(--faq-text);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-scenes {
  display: grid;
  gap: 14px;
}

.page-faq .scene {
  padding: 18px;
  border-left: 2px solid rgba(139, 92, 255, .7);
}

.page-faq .scene .panel-num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-faq .scene .panel-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .scene .panel-body {
  margin: 0;
  color: var(--faq-text);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 版本与资料库 ---------- */
.page-faq .ver-layout {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-faq .ver-card {
  display: grid;
  gap: 10px;
  padding: 24px 22px;
  border-radius: var(--r-l);
  border: 1px solid rgba(63, 224, 208, .3);
  background:
    linear-gradient(160deg, rgba(63, 224, 208, .12), transparent 58%),
    rgba(11, 29, 51, .78);
  box-shadow: var(--shadow-1);
}

.page-faq .ver-key {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .ver-num {
  font-size: clamp(46px, 9vw, 76px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-faq .ver-text {
  margin: 4px 0 8px;
  color: var(--faq-text);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .ver-card .btn {
  justify-self: start;
}

.page-faq .ver-queries {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--line-soft);
}

.page-faq .query {
  padding: 18px;
  background: rgba(7, 20, 38, .86);
}

.page-faq .query-num {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(139, 92, 255, .5);
  color: var(--violet);
  font-size: 11.5px;
  letter-spacing: .08em;
}

.page-faq .query h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .query p {
  margin: 0;
  color: var(--faq-text);
  font-size: 14px;
  line-height: 1.78;
}

.page-faq .ver-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(18px, 2.6vw, 28px);
  padding: 18px 20px;
  border-radius: var(--r-m);
  border: 1px dashed rgba(155, 169, 184, .3);
  background: rgba(11, 29, 51, .5);
}

.page-faq .ver-foot p {
  margin: 0;
  flex: 1 1 320px;
  color: var(--faq-text);
  font-size: 14px;
  line-height: 1.78;
}

/* ---------- 工单 ---------- */
.page-faq .ticket-layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 36px);
}

.page-faq .ticket-copy h3 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  color: var(--paper);
}

.page-faq .ticket-copy p {
  margin: 0 0 14px;
  color: var(--faq-text);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .ticket-copy .figure {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .ticket-panel {
  padding: 22px 20px;
  border-top: 3px solid var(--orange);
  align-self: start;
}

.page-faq .ticket-panel .panel-num {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  border-radius: 6px;
  background: rgba(255, 138, 61, .14);
  color: var(--orange);
  font-size: 11.5px;
  letter-spacing: .1em;
}

.page-faq .ticket-panel .panel-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .ticket-rows {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--r-s);
  overflow: hidden;
  background: var(--line-soft);
}

.page-faq .ticket-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(7, 20, 38, .78);
}

.page-faq .ticket-key {
  font-size: 13px;
  color: var(--stone);
}

.page-faq .ticket-val {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .ticket-row:first-child .ticket-val {
  color: var(--cyan);
}

.page-faq .ticket-note {
  margin: 0 0 18px;
  color: var(--faq-text);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 结尾指引 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-l);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(139, 92, 255, .16), transparent 62%),
    rgba(11, 29, 51, .62);
}

.page-faq .faq-cta-text {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.7;
}

.page-faq .faq-cta-links {
  display: grid;
  gap: 10px;
}

.page-faq .faq-cta-links .btn {
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-faq .faq-shead {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas: "num title" ". lead";
    column-gap: 18px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .ver-layout {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-faq .ticket-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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