.page-faq {
  --faq-rail-w: 236px;
  --faq-dot-size: 12px;
  background: var(--yk-deep);
  color: var(--yk-paper);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--yk-green);
  border-bottom: 2px solid var(--yk-line);
  padding: calc(var(--yk-head-h) + clamp(22px, 4vw, 52px)) 0 clamp(30px, 4.5vw, 56px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 224, 208, 0.06) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(53, 224, 208, 0.05) 0 1px, transparent 1px 76px);
  mask-image: radial-gradient(130% 100% at 12% 0%, #000 28%, transparent 86%);
  -webkit-mask-image: radial-gradient(130% 100% at 12% 0%, #000 28%, transparent 86%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -34%;
  z-index: -1;
  width: 58%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255, 122, 26, 0.24), transparent 66%);
}

.page-faq .faq-hero__kicker {
  margin: 20px 0 12px;
  font-family: var(--yk-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yk-cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  max-width: 22ch;
  font-family: var(--yk-font-narrow);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--yk-paper);
}

.page-faq .faq-hero__lead {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.82);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--yk-line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__fact-num {
  font-family: var(--yk-font-mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--yk-orange);
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__fact-label {
  font-size: 13px;
  color: var(--yk-mist);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 40px);
  padding-block: clamp(28px, 5vw, 60px);
}

/* ---------- 左侧分类轨道 ---------- */
.page-faq .faq-rail {
  border-top: 2px solid var(--yk-line);
  padding-top: 14px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--yk-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yk-cyan);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--yk-paper);
  text-decoration: none;
  border: 1px solid var(--yk-line-soft);
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--yk-ease), border-color 0.18s var(--yk-ease), background 0.18s var(--yk-ease);
}

.page-faq .faq-rail__link span {
  font-family: var(--yk-font-mono);
  font-size: 11px;
  color: var(--yk-mist);
}

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

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

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

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--yk-head-h) + 24px);
  padding-block: clamp(22px, 3.6vw, 38px);
  border-top: 2px solid var(--yk-line);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
}

.page-faq .faq-sec__num {
  flex: none;
  font-family: var(--yk-font-mono);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--yk-turf);
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-family: var(--yk-font-narrow);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--yk-paper);
}

.page-faq .faq-sec__intro {
  max-width: 48ch;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yk-mist);
}

/* ---------- 三步流程卡 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  background: var(--yk-ink);
  border: 2px solid var(--yk-line-soft);
  box-shadow: var(--yk-shadow);
}

.page-faq .faq-step__num {
  font-family: var(--yk-font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  color: var(--yk-orange);
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--yk-font-narrow);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.35;
  color: var(--yk-paper);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 232, 0.76);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  margin-bottom: 12px;
  background: var(--yk-ink);
  border: 2px solid var(--yk-line-soft);
  transition: border-color 0.2s var(--yk-ease);
}

.page-faq .faq-q[open] {
  border-color: var(--yk-line);
}

.page-faq .faq-q__ask {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 16px 52px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--yk-font-narrow);
  font-weight: 900;
  font-size: 16px;
  line-height: 1.4;
  color: var(--yk-paper);
}

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

.page-faq .faq-q__ask::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--yk-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--yk-cyan);
}

.page-faq .faq-q[open] .faq-q__ask::after {
  content: "−";
}

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

.page-faq .faq-q__body {
  padding: 0 18px 20px;
}

.page-faq .faq-q__key {
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 3px solid var(--yk-orange);
  font-size: 15px;
  line-height: 1.72;
  color: var(--yk-paper);
}

.page-faq .faq-mini {
  counter-reset: faqmini;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-mini li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 232, 0.78);
}

.page-faq .faq-mini li::before {
  counter-increment: faqmini;
  content: counter(faqmini, decimal-leading-zero);
  font-family: var(--yk-font-mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--yk-cyan);
}

/* ---------- 伤停标记 ---------- */
.page-faq .faq-marks {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-mark {
  display: grid;
  grid-template-columns: var(--faq-dot-size) minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  background: var(--yk-ink);
  border: 2px solid var(--yk-line-soft);
}

.page-faq .faq-mark__dot {
  width: var(--faq-dot-size);
  height: var(--faq-dot-size);
  margin-top: 6px;
  border-radius: 50%;
  background: var(--faq-mark-color, var(--yk-mist));
}

.page-faq .faq-mark__name {
  margin: 0 0 3px;
  font-family: var(--yk-font-narrow);
  font-weight: 900;
  font-size: 15px;
  line-height: 1.4;
  color: var(--yk-paper);
}

.page-faq .faq-mark__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 241, 232, 0.72);
}

.page-faq .faq-mark--ban {
  --faq-mark-color: var(--yk-red);
}

.page-faq .faq-mark--injury {
  --faq-mark-color: var(--yk-orange);
}

.page-faq .faq-mark--doubt {
  --faq-mark-color: var(--yk-amber);
}

.page-faq .faq-mark--yellow {
  --faq-mark-color: var(--yk-paper);
}

.page-faq .faq-mark--red {
  --faq-mark-color: var(--yk-red);
}

.page-faq .faq-mark--red .faq-mark__dot {
  background: transparent;
  border: 2px solid var(--yk-red);
  margin-top: 4px;
}

.page-faq .faq-mark--rest {
  --faq-mark-color: var(--yk-mist);
}

.page-faq .faq-note {
  padding: 16px 18px;
  background: linear-gradient(90deg, rgba(53, 224, 208, 0.09), transparent 78%);
  border-left: 3px solid var(--yk-cyan);
}

.page-faq .faq-note__line {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--yk-paper);
}

.page-faq .faq-note__meta {
  margin: 0;
  font-family: var(--yk-font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--yk-mist);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  background: var(--yk-ink);
  border: 2px solid var(--yk-line);
  box-shadow: var(--yk-shadow);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.05);
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--yk-line-soft);
  font-family: var(--yk-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--yk-mist);
}

.page-faq .faq-tail {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--yk-mist);
}

/* ---------- 结尾 ---------- */
.page-faq .faq-callout {
  margin: 0 0 20px;
  padding: 16px 18px;
  background: var(--yk-ink);
  border: 2px solid var(--yk-line);
}

.page-faq .faq-callout__label {
  margin: 0 0 8px;
  font-family: var(--yk-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yk-amber);
}

.page-faq .faq-callout__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 232, 0.8);
}

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

.page-faq .faq-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 44px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--yk-paper);
  background: var(--yk-ink);
  border: 2px solid var(--yk-line-soft);
  transition: border-color 0.18s var(--yk-ease), transform 0.18s var(--yk-ease), background 0.18s var(--yk-ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  border-color: var(--yk-cyan);
  background: rgba(53, 224, 208, 0.07);
  transform: translateY(-3px);
}

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

.page-faq .faq-link__kicker {
  font-family: var(--yk-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--yk-cyan);
}

.page-faq .faq-link__title {
  font-family: var(--yk-font-narrow);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.35;
}

.page-faq .faq-link__desc {
  font-size: 13px;
  line-height: 1.68;
  color: var(--yk-mist);
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

/* ---------- 桌面：左侧吸顶轨道 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--yk-head-h) + 20px);
    max-height: calc(100vh - var(--yk-head-h) - 40px);
    overflow-y: auto;
    border-top: 0;
    border-left: 2px solid var(--yk-line);
    padding: 4px 0 4px 0;
  }

  .page-faq .faq-rail__title {
    padding-left: 16px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    padding: 10px 14px 10px 16px;
    border: 0;
    border-left: 2px solid transparent;
    border-bottom: 0;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--yk-cyan);
    border-bottom-color: transparent;
    background: rgba(53, 224, 208, 0.07);
  }

  .page-faq .faq-sec__head {
    gap: 20px;
  }
}
<<<END>>>