.page-faq {
  --faq-gap: clamp(16px, 3vw, 28px);
  background: var(--jn-paper);
  color: var(--jn-slate);
  overflow-x: clip;
}

/* ---------- 封面 ---------- */
.page-faq .faq-cover {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 40px) 0 clamp(72px, 11vw, 132px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(56, 242, 214, .16), transparent 58%),
    radial-gradient(90% 70% at 8% 100%, rgba(217, 169, 76, .14), transparent 62%),
    linear-gradient(162deg, var(--jn-ink) 0%, var(--jn-night) 100%);
  color: var(--jn-mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 46px), 0 100%);
}

.page-faq .faq-cover::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 52%;
  background: repeating-linear-gradient(90deg, rgba(56, 242, 214, .12) 0 1px, transparent 1px 68px);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 80%);
  mask-image: linear-gradient(180deg, transparent, #000 80%);
  pointer-events: none;
}

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

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(22px, 4vw, 36px);
  padding: 0;
  list-style: none;
  font-family: var(--jn-mono);
  font-size: 12px;
  letter-spacing: .16em;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 10px;
  color: rgba(237, 242, 241, .38);
}

.page-faq .breadcrumb-link,
.page-faq .breadcrumb-item span {
  color: rgba(237, 242, 241, .74);
  text-decoration: none;
}

.page-faq .breadcrumb-link:hover {
  color: var(--jn-gold);
}

.page-faq .faq-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--jn-gold);
}

.page-faq .faq-title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-size: clamp(2rem, 6.6vw, 4.1rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #fff;
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(237, 242, 241, .84);
}

.page-faq .faq-cover-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--faq-gap);
  margin: clamp(26px, 4.5vw, 44px) 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--jn-line-dark);
}

.page-faq .faq-stat-value {
  display: block;
  font-size: clamp(1.15rem, 3.6vw, 1.9rem);
  font-weight: 700;
  color: var(--jn-cyan);
  line-height: 1.2;
}

.page-faq .faq-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(237, 242, 241, .62);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-main {
  padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px);
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--jn-teal);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  margin: 0 0 clamp(20px, 4vw, 34px);
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail-list li {
  flex: 0 0 auto;
}

.page-faq .chapter-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  background: rgba(255, 255, 255, .55);
  color: var(--jn-ink);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--jn-ease), background-color .2s var(--jn-ease), color .2s var(--jn-ease);
}

.page-faq .faq-rail-num {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--jn-gold-deep);
}

.page-faq .chapter-link:hover,
.page-faq .chapter-link[aria-current="true"] {
  border-color: var(--jn-gold);
  background: rgba(217, 169, 76, .14);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: 1px solid var(--jn-line);
}

.page-faq .faq-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-block-head {
  margin-bottom: 16px;
}

.page-faq .faq-block-title {
  margin: 6px 0 4px;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--jn-ink);
  line-height: 1.24;
}

.page-faq .faq-block-lead {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--jn-teal);
}

.page-faq .faq-conclusion {
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 4px 0 4px 14px;
  border-left: 3px solid var(--jn-gold);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.78;
  color: var(--jn-ink);
}

.page-faq .faq-block-grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 32px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  background: rgba(255, 255, 255, .62);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  overflow: hidden;
  transition: border-color .2s var(--jn-ease), background-color .2s var(--jn-ease);
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa[open] {
  border-color: var(--jn-gold);
  background: #fff;
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--jn-teal);
  outline-offset: -2px;
}

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--jn-ink);
}

.page-faq .qa-mark {
  flex: 0 0 auto;
  font-size: 18px;
  line-height: 1;
  color: var(--jn-teal);
  transition: transform .2s var(--jn-ease), color .2s var(--jn-ease);
}

.page-faq .qa[open] .qa-mark {
  transform: rotate(45deg);
  color: var(--jn-red);
}

.page-faq .qa-body {
  padding: 0 16px 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--jn-slate);
}

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

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

.page-faq .faq-steps {
  margin: 10px 0 12px;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--jn-cyan);
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 28px;
  counter-increment: faqstep;
}

.page-faq .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--jn-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--jn-gold-deep);
}

.page-faq .faq-link {
  color: var(--jn-gold-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

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

.page-faq .faq-figure .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--jn-slate);
}

/* ---------- 控球率区间示意 ---------- */
.page-faq .faq-range {
  margin: 0 0 clamp(20px, 3.5vw, 28px);
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--jn-line);
  border-radius: var(--jn-radius);
  background: linear-gradient(150deg, rgba(30, 90, 107, .10), rgba(217, 169, 76, .10));
}

.page-faq .faq-range-cap {
  display: block;
  margin-bottom: 16px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--jn-teal);
}

.page-faq .faq-range-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-range-row + .faq-range-row {
  margin-top: 12px;
}

.page-faq .faq-range-team {
  font-size: 14px;
  font-weight: 600;
  color: var(--jn-ink);
}

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

.page-faq .faq-meter .meter-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(14, 42, 51, .10);
  overflow: hidden;
}

.page-faq .faq-meter .meter-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-faq .faq-fill-a {
  width: 56%;
  background: linear-gradient(90deg, var(--jn-teal), var(--jn-cyan));
}

.page-faq .faq-fill-b {
  width: 43%;
  background: linear-gradient(90deg, var(--jn-gold-deep), var(--jn-gold));
}

.page-faq .faq-range-num {
  font-size: 13px;
  color: var(--jn-ink);
  white-space: nowrap;
}

.page-faq .faq-range-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--jn-slate);
}

/* ---------- 合作与客服 ---------- */
.page-faq .faq-table-wrap {
  margin-bottom: clamp(18px, 3vw, 24px);
  overflow-x: auto;
  border-radius: var(--jn-radius);
}

.page-faq .data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: #fff;
  font-size: 15px;
}

.page-faq .data-table th,
.page-faq .data-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--jn-line);
  line-height: 1.66;
}

.page-faq .data-table thead th {
  background: var(--jn-teal);
  color: var(--jn-mist);
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .data-table tbody tr:nth-child(even) {
  background: rgba(30, 90, 107, .06);
}

.page-faq .faq-cell-mono {
  font-family: var(--jn-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--jn-ink);
  white-space: nowrap;
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--jn-line);
  border-left: 3px solid var(--jn-red);
  border-radius: var(--jn-radius);
  background: rgba(255, 255, 255, .62);
}

.page-faq .faq-contact-line {
  margin: 0;
  flex: 1 1 240px;
  font-size: 15px;
  color: var(--jn-slate);
}

.page-faq .faq-contact-value {
  color: var(--jn-ink);
  font-size: 14px;
}

.page-faq .faq-contact-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--jn-slate);
}

.page-faq .faq-contact-more {
  margin: 10px 0 0;
  font-size: 15px;
  color: var(--jn-slate);
}

.page-faq .copy-trigger.is-copied {
  border-color: var(--jn-gold);
  color: var(--jn-gold-deep);
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 68px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--jn-head-h) + 24px);
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: 2px;
    margin-bottom: 0;
    padding: 0 0 0 1px;
    overflow: visible;
  }

  .page-faq .chapter-link {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 10px;
    border-color: transparent;
    background: transparent;
    border-left: 2px solid var(--jn-line);
    border-radius: 0;
  }

  .page-faq .chapter-link:hover {
    background: rgba(217, 169, 76, .12);
  }

  .page-faq .chapter-link[aria-current="true"] {
    border-left-color: var(--jn-gold);
    background: rgba(217, 169, 76, .16);
    color: var(--jn-ink);
  }

  .page-faq .faq-block-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-faq .faq-content {
    max-width: 78ch;
  }

  .page-faq .faq-block {
    padding: clamp(34px, 4vw, 52px) 0;
  }
}

@media (min-width: 1320px) {
  .page-faq .faq-content {
    max-width: 84ch;
  }
}