/* ============================================================
   竞博常见问答 · 页面专属样式
   作用域：.page-faq
   ============================================================ */

.page-faq {
  --faq-axis-w: 200px;
  --faq-gap: clamp(28px, 4vw, 60px);
  --faq-panel: rgba(11, 42, 63, 0.72);
  --faq-panel-2: rgba(18, 62, 90, 0.36);
  --faq-quiet: rgba(159, 184, 200, 0.78);
  display: block;
  position: relative;
  overflow-x: clip;
  background: var(--abyss);
  color: var(--text);
}

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

/* ---------- 顶部：现象导读 + 主题条带 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -200px;
  bottom: -140px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(35, 211, 176, 0.09), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -160px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 47, 0.14), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero__top {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .breadcrumb {
  margin-bottom: 6px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--signal);
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.14;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 38em;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-faq .faq-hero__banner {
  margin: 0;
  border-top: 1px solid var(--line);
  background: var(--deep);
  overflow: hidden;
}

.page-faq .faq-hero__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 420;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- 主体：坐标轴 + 内容流 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 96px);
}

/* 坐标轴导航 */
.page-faq .faq-axis {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  align-self: start;
  z-index: 6;
  padding: 12px 0;
  background: rgba(4, 24, 38, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-axis .axis-rail__title {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--fade);
  text-transform: uppercase;
}

.page-faq .faq-axis .axis-rail__list {
  display: flex;
  flex-direction: row;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-faq .faq-axis .axis-rail__list::-webkit-scrollbar {
  display: none;
}

.page-faq .axis-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-axis .axis-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease,
    background-color var(--t-fast) ease;
}

.page-faq .faq-axis .axis-rail__link:hover,
.page-faq .faq-axis .axis-rail__link:focus-visible {
  color: var(--text);
  border-color: var(--signal);
  background: var(--faq-panel-2);
}

.page-faq .faq-axis .axis-rail__link[aria-current="true"] {
  color: var(--signal);
  border-color: var(--signal);
  background: rgba(255, 122, 47, 0.08);
}

.page-faq .faq-axis__idx {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fade);
}

.page-faq .faq-axis .axis-rail__link[aria-current="true"] .faq-axis__idx {
  color: var(--signal);
}

.page-faq .faq-axis__label {
  font-size: 14px;
}

.page-faq .faq-axis__foot {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-quiet);
  max-width: 34em;
}

/* 内容流 */
.page-faq .faq-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 68px);
  min-width: 0;
}

/* ---------- 问题分组 ---------- */

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

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head--tight {
  margin-bottom: 16px;
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--signal);
  border: 1px solid rgba(255, 122, 47, 0.42);
}

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

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.4;
}

.page-faq .faq-group__count {
  margin: 6px 0 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fade);
}

/* 分组右侧插图 */
.page-faq .faq-group__figure {
  margin: 24px 0 0;
  max-width: 320px;
}

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

/* ---------- 问答条目 ---------- */

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  counter-reset: qa;
}

.page-faq .qa-item {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--faq-panel), rgba(4, 24, 38, 0.7));
  transition: border-color var(--t-base) ease, background-color var(--t-base) ease;
}

.page-faq .qa-item:hover {
  border-color: rgba(255, 122, 47, 0.55);
}

.page-faq .qa-item[open] {
  border-color: rgba(255, 122, 47, 0.7);
}

.page-faq .qa-item__q {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 14px 18px 14px 0;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  transition: color var(--t-fast) ease;
}

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

.page-faq .qa-item__q::before {
  counter-increment: qa;
  content: counter(qa, decimal-leading-zero);
  flex: 0 0 36px;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fade);
  background: rgba(18, 62, 90, 0.42);
  border-right: 1px solid var(--line);
  transition: color var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-faq .qa-item[open] .qa-item__q::before {
  color: var(--cyan);
  background: rgba(35, 211, 176, 0.1);
}

.page-faq .qa-item__text {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  line-height: 1.6;
}

.page-faq .qa-item__mark {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  border: 1px solid var(--signal);
  background: transparent;
  transition: background-color var(--t-base) ease, border-color var(--t-base) ease;
}

.page-faq .qa-item[open] .qa-item__mark {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .qa-item__a {
  border-top: 1px solid var(--line);
}

.page-faq .qa-item__a-inner {
  padding: 16px 18px 20px 50px;
  animation: faq-slide-in 180ms ease-out both;
}

.page-faq .qa-item__a-inner p {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .qa-item__a-inner p + p {
  margin-top: 12px;
}

.page-faq .qa-item__a-inner a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.4);
  transition: border-color var(--t-fast) ease;
}

.page-faq .qa-item__a-inner a:hover,
.page-faq .qa-item__a-inner a:focus-visible {
  border-bottom-color: var(--signal);
}

@keyframes faq-slide-in {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---------- 四步排查轨道 ---------- */

.page-faq .step-track {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .step-track__item {
  position: relative;
  padding: 16px 14px 14px;
  border: 1px solid var(--line);
  background: var(--faq-panel-2);
  transition: border-color var(--t-fast) ease;
}

.page-faq .step-track__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 34px;
  height: 2px;
  background: var(--signal);
}

.page-faq .step-track__item:hover {
  border-color: rgba(35, 211, 176, 0.5);
}

.page-faq .step-track__no {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .step-track__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 下半部：短答卡片 ---------- */

.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-faq .quick-card {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(30, 78, 107, 0.8);
  background: rgba(11, 42, 63, 0.5);
  transition: border-color var(--t-base) ease, background-color var(--t-base) ease;
}

.page-faq .quick-card + .quick-card {
  margin-top: 12px;
}

.page-faq .quick-card:hover {
  border-color: var(--signal);
  border-left-color: var(--signal);
  background: rgba(18, 62, 90, 0.44);
}

.page-faq .quick-card__q {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .quick-card__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .quick-card__a a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.4);
}

.page-faq .quick-card__a a:hover,
.page-faq .quick-card__a a:focus-visible {
  border-bottom-color: var(--signal);
}

.page-faq .quick-card__copy {
  margin-top: 14px;
}

/* ---------- 收束区 ---------- */

.page-faq .faq-outro {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: linear-gradient(160deg, rgba(18, 62, 90, 0.46), rgba(4, 24, 38, 0.72));
}

.page-faq .faq-outro__label {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-outro__text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-outro__legal {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fade);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
    align-items: start;
  }

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

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(160px, var(--faq-axis-w)) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-axis {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: 0 0 0 0;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
  }

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

  .page-faq .faq-axis .axis-rail__link {
    border: none;
    border-left: 2px solid var(--line);
    padding: 9px 10px 9px 12px;
    background: transparent;
  }

  .page-faq .faq-axis .axis-rail__link:hover,
  .page-faq .faq-axis .axis-rail__link:focus-visible {
    border-left-color: var(--signal);
    background: rgba(18, 62, 90, 0.36);
  }

  .page-faq .faq-axis .axis-rail__link[aria-current="true"] {
    border-left-color: var(--signal);
    background: rgba(255, 122, 47, 0.08);
  }

  .page-faq .faq-axis__foot {
    padding-left: 12px;
    margin-top: 16px;
  }

  .page-faq .faq-group--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-faq .faq-group--split .faq-group__figure {
    margin-top: 4px;
    max-width: none;
  }

  .page-faq .faq-group__head {
    padding-bottom: 16px;
    margin-bottom: 22px;
  }
}

@media (min-width: 1240px) {
  .page-faq .step-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .qa-item__a-inner {
    padding: 18px 22px 22px 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-item__a-inner {
    animation: none;
  }

  .page-faq .qa-item,
  .page-faq .qa-item__mark,
  .page-faq .qa-item__q::before,
  .page-faq .quick-card,
  .page-faq .step-track__item,
  .page-faq .faq-axis .axis-rail__link {
    transition: none;
  }
}
<<<END>>>