.page-faq {
  --faq-gap: clamp(12px, 1.4vw, 16px);
  --faq-radius: var(--r-md);
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(88px, 12vw, 140px) 0 clamp(44px, 7vw, 88px);
  overflow: hidden;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -15% auto -10%;
  height: 78%;
  background:
    radial-gradient(55% 70% at 78% 8%, rgba(22, 240, 220, 0.16), transparent 68%),
    radial-gradient(48% 60% at 12% 0%, rgba(122, 92, 255, 0.14), transparent 66%);
  pointer-events: none;
}
.page-faq .faq-hero-slash {
  position: absolute;
  left: -6%;
  bottom: 12%;
  width: 118%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(22, 240, 220, 0.5), rgba(122, 92, 255, 0.35), transparent);
  transform: rotate(-8deg);
  transform-origin: left center;
  pointer-events: none;
}
.page-faq .faq-hero-slash::after {
  content: "";
  position: absolute;
  inset: 14px 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232, 238, 249, 0.16), transparent);
}
.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: 1fr;
  align-items: center;
}
.page-faq .faq-hero-copy .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--dust);
}
.page-faq .faq-hero-copy .crumbs a {
  color: var(--dust);
  text-decoration: none;
}
.page-faq .faq-hero-copy .crumbs a:hover,
.page-faq .faq-hero-copy .crumbs a:focus-visible {
  color: var(--cyan);
}
.page-faq .faq-hero-copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--silver);
  max-width: 15em;
}
.page-faq .faq-hero-copy .lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--body-ink);
}
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}
.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--glass);
  color: var(--dust);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--silver);
  border-color: rgba(22, 240, 220, 0.55);
  background: var(--glass-strong);
}
.page-faq .faq-hero-media {
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}
.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: clamp(52px, 8vw, 104px) 0;
}
.page-faq .faq-section--hull {
  background: linear-gradient(180deg, transparent, rgba(11, 21, 48, 0.85) 18%, rgba(11, 21, 48, 0.85) 82%, transparent);
}
.page-faq .faq-section--turf {
  background: linear-gradient(180deg, transparent, rgba(15, 58, 46, 0.62) 20%, rgba(11, 21, 48, 0.72) 90%, transparent);
}
.page-faq .faq-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 3vw, 40px);
}
.page-faq .faq-head .section-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}
.page-faq .faq-head .section-lead {
  margin: 14px 0 0;
  color: var(--body-ink);
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 38em;
}

/* ---------- 问答网格 ---------- */
.page-faq .qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}
.page-faq .faq-grid--gap {
  margin-top: clamp(22px, 3vw, 36px);
}
.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--hull);
  transition: border-color 220ms var(--ease), background 220ms var(--ease), transform 220ms var(--ease);
}
.page-faq .qa:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.page-faq .qa[open] {
  grid-column: 1 / -1;
  background: var(--glass-strong);
  border-color: rgba(22, 240, 220, 0.4);
  box-shadow: inset 3px 0 0 var(--cyan), var(--shadow-lift);
  transform: none;
}
.page-faq .qa--turf {
  background: rgba(5, 10, 24, 0.55);
}
.page-faq .qa-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa-summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--faq-radius);
}
.page-faq .qa-index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid rgba(22, 240, 220, 0.32);
  border-radius: 7px;
  padding: 3px 7px;
  line-height: 1.2;
}
.page-faq .qa-question {
  display: block;
  color: var(--silver);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.66;
  letter-spacing: 0.01em;
}
.page-faq .qa-sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  flex: none;
}
.page-faq .qa-sign::before,
.page-faq .qa-sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--dust);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}
.page-faq .qa-sign::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.page-faq .qa-sign::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}
.page-faq .qa[open] .qa-sign::before {
  background: var(--cyan);
}
.page-faq .qa[open] .qa-sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.page-faq .qa-body {
  padding: 0 18px 18px 18px;
  animation: faq-rise 260ms var(--ease) both;
}
.page-faq .qa-body p {
  margin: 14px 0 0;
  color: var(--body-ink);
  font-size: 15px;
  line-height: 1.82;
  max-width: 40em;
}
.page-faq .qa-body p::before {
  content: "";
}
.page-faq .qa-body > p:first-child {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.page-faq .qa-more {
  margin-top: 12px;
}
.page-faq .qa-more a {
  display: inline-block;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-bottom: 1px dashed rgba(22, 240, 220, 0.5);
  padding-bottom: 2px;
}
.page-faq .qa-more a:hover,
.page-faq .qa-more a:focus-visible {
  color: var(--silver);
  border-bottom-color: var(--silver);
}
@keyframes faq-rise {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 更新节点 ---------- */
.page-faq .faq-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 28px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(90deg, rgba(22, 240, 220, 0.08), rgba(122, 92, 255, 0.08)),
    var(--hull);
}
.page-faq .faq-node {
  position: relative;
  padding-left: 18px;
}
.page-faq .faq-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(22, 240, 220, 0.16);
}
.page-faq .faq-node-time {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}
.page-faq .faq-node-text {
  margin: 8px 0 0;
  color: var(--body-ink);
  font-size: 14.5px;
  line-height: 1.76;
}

/* ---------- 转会标签 ---------- */
.page-faq .faq-window-media {
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-height: 340px;
}
.page-faq .faq-levels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--faq-gap);
}
.page-faq .faq-level {
  padding: 16px 16px 18px;
  border-radius: var(--faq-radius);
  border: 1px solid var(--line);
  background: var(--hull-soft);
}
.page-faq .faq-level-letter {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
}
.page-faq .faq-level-name {
  margin: 10px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--silver);
  letter-spacing: 0.04em;
}
.page-faq .faq-level-desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dust);
}
.page-faq .faq-level--a .faq-level-letter { color: var(--tag-gold); }
.page-faq .faq-level--b .faq-level-letter { color: var(--cyan); }
.page-faq .faq-level--c .faq-level-letter { color: var(--tag-blue); }
.page-faq .faq-level--d .faq-level-letter { color: var(--pulse); }

/* ---------- 排行三项指标 ---------- */
.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-bottom: clamp(22px, 3vw, 34px);
}
.page-faq .faq-metric {
  padding: 18px;
  border-radius: var(--faq-radius);
  border: 1px solid var(--line);
  background: rgba(11, 21, 48, 0.72);
}
.page-faq .faq-metric--main {
  background: linear-gradient(150deg, rgba(22, 240, 220, 0.14), rgba(122, 92, 255, 0.12)), var(--hull-soft);
  border-color: rgba(22, 240, 220, 0.36);
}
.page-faq .faq-metric-name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--silver);
}
.page-faq .faq-metric-desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--body-ink);
}

/* ---------- 观赛城市 ---------- */
.page-faq .faq-cities {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  margin-bottom: clamp(20px, 3vw, 32px);
  scrollbar-width: thin;
}
.page-faq .faq-cities:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}
.page-faq .faq-city {
  flex: none;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(22, 240, 220, 0.34);
  background: rgba(5, 10, 24, 0.6);
  color: var(--silver);
  font-size: 14px;
  letter-spacing: 0.1em;
}

/* ---------- 分隔带 ---------- */
.page-faq .faq-divider {
  padding: clamp(60px, 10vw, 170px) 0;
  background:
    repeating-linear-gradient(-8deg, rgba(232, 238, 249, 0.05) 0 1px, transparent 1px 12px);
}
.page-faq .faq-divider-inner {
  display: flex;
  justify-content: flex-start;
}
.page-faq .faq-divider-text {
  display: inline-block;
  padding: 10px 18px;
  border-left: 2px solid var(--cyan);
  background: var(--glass);
  color: var(--dust);
  font-size: 13.5px;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

/* ---------- 联系信息 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--glass);
}
.page-faq .faq-contact-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--dust);
}
.page-faq .faq-contact-label--spaced {
  margin-top: 20px;
}
.page-faq .faq-contact-value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--silver);
  word-break: break-word;
}
.page-faq .faq-contact-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dust);
}
.page-faq .faq-aside {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}
.page-faq .faq-aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(22, 240, 220, 0.5);
}
.page-faq .faq-aside a:hover,
.page-faq .faq-aside a:focus-visible {
  color: var(--silver);
  border-bottom-color: var(--silver);
}

/* ---------- 尾部转化带 ---------- */
.page-faq .faq-cta {
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 8vw, 96px);
}
.page-faq .faq-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 36px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(22, 240, 220, 0.3);
  background: linear-gradient(120deg, rgba(22, 240, 220, 0.12), rgba(122, 92, 255, 0.12)), var(--hull);
}
.page-faq .faq-cta-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 30px);
  letter-spacing: -0.01em;
  color: var(--silver);
}
.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-levels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-contact {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (min-width: 720px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
  }
  .page-faq .faq-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1080px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-faq .qa-summary {
    padding: 14px 14px;
    gap: 10px;
  }
  .page-faq .qa-body {
    padding: 0 14px 16px 14px;
  }
  .page-faq .faq-city {
    padding: 9px 16px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa-sign::before,
  .page-faq .qa-sign::after,
  .page-faq .faq-jump a {
    transition: none;
  }
  .page-faq .qa-body {
    animation: none;
  }
  .page-faq .qa:hover {
    transform: none;
  }
}
</main>