/* ===== 帮助中心 · page-faq ===== */

.page-faq {
  --faq-line: rgba(74, 85, 104, 0.45);
  --faq-glow: rgba(56, 240, 216, 0.12);
  --faq-glow-gold: rgba(232, 183, 92, 0.14);
  padding-bottom: clamp(52px, 8vw, 104px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 360px at 8% -20%, var(--faq-glow), transparent 68%),
    radial-gradient(560px 320px at 92% -10%, rgba(224, 70, 140, 0.1), transparent 70%);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  align-items: end;
}

.page-faq .faq-hero__lead .display {
  margin: 12px 0 0;
  letter-spacing: -0.02em;
  line-height: 1.16;
}

.page-faq .faq-hero__lead .lede {
  margin-top: 16px;
  max-width: 34em;
}

.page-faq .faq-hero__meta {
  border-left: 2px solid var(--cyan);
  padding-left: 16px;
}

.page-faq .faq-hero__num {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(2.6rem, 9vw, 3.8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-faq .faq-hero__num span {
  color: var(--cyan);
  font-size: 0.6em;
  margin-left: 2px;
}

.page-faq .faq-hero__num-label {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(242, 237, 228, 0.68);
}

/* ---------- 路径条 ---------- */

.page-faq .faq-path {
  position: relative;
  list-style: none;
  margin: clamp(28px, 4.5vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.page-faq .faq-path::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, var(--moss), var(--cyan), var(--gold));
  opacity: 0.55;
}

.page-faq .faq-path__node {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  text-align: center;
}

.page-faq .faq-path__dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  background: var(--ink);
  box-shadow: 0 0 0 6px var(--ink), 0 0 16px rgba(56, 240, 216, 0.28);
}

.page-faq .faq-path__label {
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(242, 237, 228, 0.76);
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  padding-top: clamp(28px, 4.5vw, 54px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

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

/* ---------- 分类轨道 ---------- */

.page-faq .faq-rail {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(24, 39, 65, 0.86), rgba(16, 27, 54, 0.6));
  padding: 14px 14px 10px;
  overflow-x: auto;
  overflow-y: hidden;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: rgba(242, 237, 228, 0.5);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  min-width: max-content;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  color: rgba(242, 237, 228, 0.8);
  font-size: 0.84rem;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail__code {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--grey);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(56, 240, 216, 0.08);
  outline: none;
}

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

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 5vw, 56px);
  padding-top: clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group__code {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

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

.page-faq .faq-group__intro {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(242, 237, 228, 0.7);
}

.page-faq .faq-figure {
  margin: 22px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
}

.page-faq .faq-figure--support {
  margin: 20px 0 0;
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-items {
  margin-top: 20px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--grey);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(24, 39, 65, 0.66), rgba(16, 27, 54, 0.42));
  transition: border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(56, 240, 216, 0.4);
  border-left-color: var(--cyan);
}

.page-faq .faq-item[open] {
  border-color: rgba(232, 183, 92, 0.34);
  border-left-color: var(--gold);
  background: linear-gradient(180deg, rgba(24, 39, 65, 0.86), rgba(16, 27, 54, 0.55));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -3px;
  border-radius: 12px;
}

.page-faq .faq-item__code {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--grey);
  padding-top: 4px;
  transition: color 0.2s ease;
}

.page-faq .faq-item[open] .faq-item__code {
  color: var(--gold);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.65;
  color: var(--paper);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 14px;
  height: 14px;
  margin-left: auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 1px;
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  margin: 0 16px;
  padding: 14px 0 18px 34px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(242, 237, 228, 0.76);
}

.page-faq .faq-item__a p {
  margin: 0;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--paper);
}

@keyframes faqOpen {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: faqOpen 0.26s ease both;
  }
}

/* ---------- 尾部引导 ---------- */

.page-faq .faq-cta {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 3.4vw, 34px);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(56, 240, 216, 0.1), transparent 46%),
    linear-gradient(180deg, rgba(24, 39, 65, 0.94), rgba(16, 27, 54, 0.7));
  border: 1px solid rgba(56, 240, 216, 0.24);
}

.page-faq .faq-cta__code {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--magenta);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(242, 237, 228, 0.74);
}

.page-faq .faq-cta__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-cta__actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 7fr 3fr;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .faq-hero__meta {
    padding-left: 20px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(200px, 232px) minmax(0, 1fr);
    gap: clamp(34px, 4.5vw, 68px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    overflow: visible;
    padding: 18px 16px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
    min-width: 0;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    justify-content: flex-start;
    border-radius: 8px;
    border-color: transparent;
    border-left: 2px solid var(--line-soft);
    padding: 9px 10px;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(56, 240, 216, 0.14), transparent 72%);
  }

  .page-faq .faq-item__text {
    font-size: 1.04rem;
  }

  .page-faq .faq-item__a {
    margin: 0 20px;
    padding: 16px 0 20px 34px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-figure--support {
    max-width: 78%;
  }
}
<<<END>>>