.page-faq {
  --faq-shell-gap: clamp(18px, 2.4vw, 34px);
  --faq-cell-hi: rgba(53, 240, 200, .82);
  --faq-cell-mid: rgba(78, 122, 92, .88);
  --faq-cell-low: rgba(110, 122, 117, .3);
  --faq-cell-none: #0A1713;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(16px, 2.2vw, 28px);
  border-bottom: 2px solid var(--line);
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: .01em;
  margin: 10px 0 14px;
  color: var(--cream);
  max-width: 22ch;
}

.page-faq .faq-hero .serif-lead {
  max-width: 64ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(236, 241, 237, .86);
}

.page-faq .quick-jump {
  list-style: none;
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .quick-jump a {
  display: inline-block;
  padding: 7px 11px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .12s ease, color .12s ease, box-shadow .12s ease, transform .12s ease;
}

.page-faq .quick-jump a:hover,
.page-faq .quick-jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 3px 3px 0 var(--line);
  transform: translate(-1px, -1px);
}

.page-faq .quick-jump a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-shell-gap);
  align-items: start;
}

@media (min-width: 1100px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) 272px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 28px;
  }
}

.page-faq .faq-section {
  margin-bottom: clamp(34px, 4.6vw, 60px);
}

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

.page-faq .faq-sub {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(236, 241, 237, .8);
}

.page-faq .faq-section .section-title {
  margin: 6px 0 0;
}

/* ---------- 步骤条 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  position: relative;
  counter-reset: faq-step;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 24px;
  bottom: 34px;
  border-left: 2px dashed var(--moss);
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 22px;
}

.page-faq .step:last-child {
  padding-bottom: 0;
}

.page-faq .step-num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--night);
  border: 2px solid var(--moss);
  color: var(--moss-soft);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  transition: border-color .12s ease, color .12s ease, background-color .12s ease;
}

.page-faq .step:hover .step-num,
.page-faq .step:focus-within .step-num {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--panel-deep);
}

.page-faq .step-title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .01em;
  color: var(--cream);
}

.page-faq .step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(236, 241, 237, .8);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
}

.page-faq .img-frame {
  max-width: 100%;
  overflow: hidden;
}

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

.page-faq .img-cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(110, 122, 117, 1);
}

/* ---------- 折叠 ---------- */
.page-faq .faq-fold {
  margin-top: clamp(18px, 2.2vw, 26px);
  border: 2px solid var(--line);
  border-left: 6px solid var(--moss);
  background: var(--panel);
}

.page-faq .faq-fold summary {
  cursor: pointer;
  padding: 13px 16px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--cream);
  list-style: none;
}

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

.page-faq .faq-fold summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--cyan);
}

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

.page-faq .faq-fold[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-fold summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

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

.page-faq .faq-fold .fold-body p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(236, 241, 237, .8);
}

/* ---------- 射门区域图 ---------- */
.page-faq .shot-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-shell-gap);
  align-items: center;
  margin-top: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 760px) {
  .page-faq .shot-demo {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

.page-faq .shot-canvas {
  border: 2px solid var(--line);
  background: var(--panel-deep);
  padding: 12px;
  box-shadow: var(--shadow-hard);
}

.page-faq .pitch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  aspect-ratio: 3 / 2;
}

.page-faq .pitch-cell {
  display: block;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: transform .12s ease;
}

.page-faq .pitch-cell[data-heat="hi"] { background: var(--faq-cell-hi); }
.page-faq .pitch-cell[data-heat="mid"] { background: var(--faq-cell-mid); }
.page-faq .pitch-cell[data-heat="low"] { background: var(--faq-cell-low); }
.page-faq .pitch-cell[data-heat="none"] { background: var(--faq-cell-none); }

.page-faq .shot-axis {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--rock);
  text-align: center;
}

.page-faq .read-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .read-list > li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(236, 241, 237, .8);
}

.page-faq .read-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-faq .read-list strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--cream);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-faq .qa {
  border: 2px solid var(--line);
  border-left: 6px solid var(--moss);
  background: var(--panel);
  transition: border-color .12s ease, box-shadow .12s ease;
}

.page-faq .qa:hover,
.page-faq .qa:focus-within {
  border-top-color: var(--cyan);
  border-right-color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .qa[open] {
  border-color: var(--cyan);
  border-left-color: var(--orange);
  box-shadow: var(--shadow-hard);
}

.page-faq .qa summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--cream);
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .qa-body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--line);
}

.page-faq .qa-body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(236, 241, 237, .8);
}

/* ---------- 推送排查 ---------- */
.page-faq .fix-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-shell-gap);
  margin-top: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 820px) {
  .page-faq .fix-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

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

.page-faq .fix-list > li {
  position: relative;
  padding: 14px 16px 14px 54px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--orange);
  background: var(--panel);
  transition: background-color .12s ease, border-color .12s ease;
}

.page-faq .fix-list > li:hover {
  background: #182622;
  border-top-color: var(--cyan);
  border-right-color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .fix-list > li::before {
  counter-increment: faq-fix;
  content: counter(faq-fix, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .fix-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 15.5px;
  color: var(--cream);
}

.page-faq .fix-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(236, 241, 237, .78);
}

.page-faq .fix-figure {
  margin: 0;
}

.page-faq .push-note {
  margin-top: clamp(16px, 2vw, 22px);
}

/* ---------- 联赛对照 ---------- */
.page-faq .compare-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 760px) {
  .page-faq .compare-steps {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .page-faq .compare-card--wide {
    grid-column: 1 / -1;
  }
}

.page-faq .compare-card {
  border: 2px solid var(--line);
  border-top: 5px solid var(--moss);
  background: var(--panel);
  padding: 16px;
  transition: border-top-color .12s ease, box-shadow .12s ease;
}

.page-faq .compare-card:hover {
  border-top-color: var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-faq .compare-card--wide {
  border-top-color: var(--clay);
}

.page-faq .compare-index {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--moss-soft);
  margin-bottom: 8px;
}

.page-faq .compare-card--wide .compare-index {
  color: var(--clay);
}

.page-faq .compare-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(236, 241, 237, .8);
}

.page-faq .compare-note {
  margin-top: clamp(16px, 2vw, 22px);
}

/* ---------- 更新时点 ---------- */
.page-faq .timeline {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-faq .timeline > li {
  display: grid;
  grid-template-columns: minmax(88px, 130px) minmax(0, 1fr);
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .tl-time {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .timeline > li:last-child .tl-time {
  color: var(--orange);
}

.page-faq .timeline p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(236, 241, 237, .8);
}

.page-faq .timeline-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--clay);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(236, 241, 237, .84);
}

/* ---------- 求助 ---------- */
.page-faq .help-list {
  list-style: none;
  margin: clamp(18px, 2.4vw, 24px) 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .help-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(236, 241, 237, .8);
}

.page-faq .help-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .help-list strong {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--cream);
}

/* ---------- 旁注 rail ---------- */
.page-faq .faq-rail {
  border: 2px solid var(--line);
  border-top: 6px solid var(--moss);
  background: var(--panel);
  padding: 16px;
}

.page-faq .toc-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .toc-link {
  display: block;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--rock);
  text-decoration: none;
  transition: color .12s ease, border-color .12s ease, background-color .12s ease;
}

.page-faq .toc-link:hover,
.page-faq .toc-link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--panel-deep);
}

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

.page-faq .toc-link[aria-current="true"] {
  color: var(--cream);
  border-left-color: var(--orange);
  background: var(--panel-deep);
}

.page-faq .rail-note {
  margin-top: 16px;
  padding: 14px;
  border: 2px solid var(--line);
  background: var(--panel-deep);
}

.page-faq .rail-note-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss-soft);
}

.page-faq .rail-note p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(236, 241, 237, .78);
}

.page-faq .rail-note--round {
  border-left: 6px solid var(--cyan);
}

.page-faq .rail-round-line .mono {
  display: inline-block;
  font-size: 24px;
  color: var(--cyan);
  margin-right: 4px;
  vertical-align: -2px;
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 560px) {
  .page-faq .faq-rail {
    padding: 14px;
  }

  .page-faq .shot-canvas {
    padding: 8px;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, .48);
  }

  .page-faq .timeline > li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .step {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .step-num {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .page-faq .steps::before {
    left: 16px;
  }

  .page-faq .fix-list > li {
    padding-left: 46px;
  }

  .page-faq .quick-jump a {
    font-size: 11.5px;
    padding: 6px 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-jump a,
  .page-faq .step-num,
  .page-faq .qa,
  .page-faq .fix-list > li,
  .page-faq .compare-card,
  .page-faq .toc-link,
  .page-faq .pitch-cell {
    transition: none;
  }

  .page-faq .quick-jump a:hover,
  .page-faq .quick-jump a:focus-visible {
    transform: none;
  }
}