.page-faq {
  --faq-rail: 246px;
  display: block;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}
.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
}
.page-faq .breadcrumb a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--slate);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  margin-top: 20px;
  padding: 52px 0 44px;
  background:
    radial-gradient(120% 92% at 86% 4%, rgba(43, 232, 200, 0.13), transparent 58%),
    radial-gradient(90% 70% at 4% 100%, rgba(90, 22, 48, 0.34), transparent 62%),
    linear-gradient(168deg, var(--deep) 0%, #082336 48%, var(--ink) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 4%, var(--cyan) 46%, transparent 96%);
  opacity: 0.55;
}
.page-faq .faq-hero .eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-faq .faq-hero h1 {
  max-width: 880px;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--bone);
}
.page-faq .faq-hero .lede {
  max-width: 760px;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-faq .faq-hero__facts .num {
  margin-right: 6px;
  font-size: 21px;
  font-weight: 700;
  color: var(--orange);
}

/* 主体骨架 */
.page-faq .faq-layout {
  padding-top: 44px;
  padding-bottom: 84px;
}

/* 左侧索引 / 移动端横向条 */
.page-faq .faq-index {
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}
.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-index__list > li {
  flex: none;
}
.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}
.page-faq .faq-index__list a .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-faq .faq-index__list a:hover {
  border-color: var(--cyan);
  color: var(--bone);
  background: rgba(43, 232, 200, 0.08);
}
.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: var(--cyan);
}

/* 章节 */
.page-faq .faq-section {
  padding: 44px 0 36px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--strip-h, 34px) + 24px);
}
.page-faq .faq-section:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-faq .faq-section .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
}
.page-faq .faq-section .section-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(23px, 3.8vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--bone);
}
.page-faq .faq-p {
  max-width: 38em;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.88;
  color: var(--mist);
}
.page-faq .faq-p--tail {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--bone);
}
.page-faq .faq-note {
  margin: 0;
  padding: 18px 18px 18px 16px;
  border-left: 2px solid var(--wine);
  background: rgba(90, 22, 48, 0.22);
  font-size: 14px;
  line-height: 1.82;
  color: var(--mist);
}
.page-faq .faq-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 200, 0.45);
}
.page-faq .faq-link:hover {
  border-bottom-color: var(--cyan);
}
.page-faq .faq-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 分栏 */
.page-faq .faq-split {
  display: grid;
  gap: 26px;
  align-items: start;
}
.page-faq .faq-split__main > .faq-h3:not(:first-child) {
  margin-top: 24px;
}
.page-faq .faq-split__main > .faq-p:last-child {
  margin-bottom: 0;
}

/* 步骤 */
.page-faq .step-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .step {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 20px 20px 18px;
  background: linear-gradient(135deg, rgba(6, 48, 43, 0.62), rgba(18, 22, 28, 0.66));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.page-faq .step:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}
.page-faq .step:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 800;
  line-height: 0.82;
  text-align: center;
  color: var(--cyan);
  border-bottom: 3px solid var(--cyan);
  padding-bottom: 8px;
}
.page-faq .step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--bone);
}
.page-faq .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--mist);
}

/* 姿势列表 */
.page-faq .pose-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-faq .pose-list > li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .pose-list__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.page-faq .pose-list h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}
.page-faq .pose-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--mist);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0;
}
.page-faq .faq-shot {
  border: 1px solid var(--line);
  background: var(--carbon);
  overflow: hidden;
}
.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.08) brightness(0.92);
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.04em;
  color: var(--slate);
}
.page-faq .faq-figure--phone .faq-shot {
  max-width: 290px;
}
.page-faq .faq-figure--square .faq-shot {
  max-width: 420px;
}

/* 布局示意图 */
.page-faq .faq-wire-wrap {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-wire {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
}
.page-faq .faq-wire__frame {
  fill: rgba(18, 22, 28, 0.62);
  stroke: rgba(135, 148, 168, 0.34);
  stroke-width: 1;
}
.page-faq .faq-wire__slot {
  fill: rgba(135, 148, 168, 0.12);
  stroke: rgba(135, 148, 168, 0.28);
  stroke-width: 1;
}
.page-faq .faq-wire__slot--score {
  fill: rgba(255, 122, 60, 0.22);
  stroke: var(--orange);
}
.page-faq .faq-wire__cap {
  max-width: 400px;
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* 赛前清单 */
.page-faq .check-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-faq .check {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .check__box {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--cyan);
  background: rgba(43, 232, 200, 0.07);
}
.page-faq .check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}
.page-faq .check__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}
.page-faq .check__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--mist);
}

/* 常见疑问 */
.page-faq .qa-group {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}
.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: rgba(18, 22, 28, 0.42);
}
.page-faq .qa > summary {
  position: relative;
  display: block;
  padding: 17px 48px 17px 16px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
  list-style: none;
  transition: color 0.18s ease, background-color 0.18s ease;
}
.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa > summary::before {
  content: "+";
  position: absolute;
  right: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
}
.page-faq .qa[open] > summary::before {
  content: "–";
}
.page-faq .qa > summary:hover {
  color: var(--cyan);
  background: rgba(43, 232, 200, 0.06);
}
.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-faq .qa[open] > summary {
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .qa__body {
  padding: 16px 16px 20px;
}
.page-faq .qa__lead {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.86;
  color: var(--mist);
}
.page-faq .qa__lead:last-child {
  margin-bottom: 0;
  margin-top: 14px;
}
.page-faq .qa__steps {
  margin: 0 0 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.86;
  color: var(--mist);
}
.page-faq .qa__steps li {
  margin-bottom: 7px;
}
.page-faq .qa__steps li::marker {
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* 联系协助 */
.page-faq .assist-grid {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-faq .assist-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .assist-item dt {
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}
.page-faq .assist-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--bone);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .assist-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
  }
  .page-faq .faq-split--reverse {
    grid-template-columns: 340px minmax(0, 1fr);
  }
  .page-faq .faq-split--reverse .faq-split__aside {
    order: 0;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 58px;
    align-items: start;
    padding-top: 56px;
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--strip-h, 34px) + 26px);
    margin-bottom: 0;
    padding: 4px 0 4px 18px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }
  .page-faq .faq-index__list {
    display: block;
    padding: 0;
    overflow: visible;
  }
  .page-faq .faq-index__list > li {
    margin-bottom: 2px;
  }
  .page-faq .faq-index__list a {
    width: 100%;
    padding: 10px 10px;
    border-color: transparent;
    border-left: 2px solid transparent;
    white-space: normal;
  }
  .page-faq .faq-index__list a:hover {
    border-left-color: var(--cyan);
  }
  .page-faq .faq-section {
    padding: 56px 0 44px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-layout {
    --faq-rail: 264px;
    gap: 72px;
  }
}
<<<END>>>