/* =========================================================
   使用教程 / page-faq
   ========================================================= */

.page-faq {
  --tut-aside-w: 272px;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-block: clamp(16px, 3vw, 28px);
  font-size: 13px;
  color: var(--muted);
}
.page-faq .breadcrumbs__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease);
}
.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  border-bottom-color: var(--cyan);
}
.page-faq .breadcrumbs__item { color: var(--muted); }

/* ---------- 首屏框景 ---------- */
.page-faq .tut-hero { padding-top: 0; }

.page-faq .tut-frame {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(130% 150% at 92% -14%, rgba(25, 227, 209, .17), transparent 56%),
    radial-gradient(90% 120% at 4% 108%, rgba(255, 107, 44, .12), transparent 60%),
    linear-gradient(158deg, var(--ink-800) 0%, var(--ink-900) 68%);
}
.page-faq .tut-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(31, 43, 69, .6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31, 43, 69, .6) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(125% 110% at 100% 0%, #000 0%, transparent 62%);
  mask-image: radial-gradient(125% 110% at 100% 0%, #000 0%, transparent 62%);
  opacity: .65;
}
.page-faq .tut-frame .frame__body { position: relative; z-index: 1; }

.page-faq .tut-kicker {
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-faq .tut-title {
  margin: 0;
  max-width: 15ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: var(--paper);
  text-shadow: 0 0 20px rgba(25, 227, 209, .34);
  transform: skewX(-2deg);
  transform-origin: left center;
}

.page-faq .tut-lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .tut-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 双栏骨架：左索引 + 右窄栏正文 ---------- */
.page-faq .tut-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

/* 步骤索引 */
.page-faq .tut-index {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(11, 24, 48, .92), rgba(11, 24, 48, .58));
  padding: 14px 16px;
}
.page-faq .tut-index__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
}
.page-faq .tut-index__summary::-webkit-details-marker { display: none; }
.page-faq .tut-index__summary::after {
  content: "–";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 15px;
  line-height: 1;
}
.page-faq .tut-index:not([open]) .tut-index__summary::after { content: "+"; }
.page-faq .tut-index__count {
  margin-left: auto;
  font-size: 13px;
  color: var(--cyan);
}
.page-faq .tut-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.page-faq .tut-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 6px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease);
}
.page-faq .tut-index__link .mono {
  font-size: 12px;
  color: rgba(25, 227, 209, .7);
}
.page-faq .tut-index__link:hover,
.page-faq .tut-index__link:focus-visible {
  color: var(--paper);
  background: rgba(25, 227, 209, .07);
  border-left-color: var(--cyan);
}

/* ---------- 步骤区块 ---------- */
.page-faq .tut-step {
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 34px);
}
.page-faq .tut-step + .tut-step { margin-top: clamp(36px, 5vw, 64px); }

.page-faq .tut-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 16px;
}
.page-faq .tut-step__no {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
  text-shadow: 0 0 14px rgba(25, 227, 209, .45);
}
.page-faq .tut-step__title {
  margin: 0;
  font-size: clamp(21px, 2.7vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--paper);
  letter-spacing: -0.005em;
}
.page-faq .tut-cost {
  margin-left: auto;
  white-space: nowrap;
  font-size: 11px;
  letter-spacing: 0.09em;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(25, 227, 209, .36);
  background: rgba(25, 227, 209, .08);
  color: var(--cyan);
}

.page-faq .tut-lead {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .tut-note {
  margin: 18px 0 0;
  max-width: 62ch;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 211, 107, .45);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-faq .tut-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 209, .4);
}
.page-faq .tut-link:hover,
.page-faq .tut-link:focus-visible { border-bottom-color: var(--cyan); }

/* 步骤列表 */
.page-faq .tut-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .tut-steps__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(25, 227, 209, .34);
  border-radius: var(--radius-md);
  background: rgba(11, 24, 48, .6);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}
.page-faq .tut-steps__item:hover {
  border-left-color: var(--cyan);
  background: rgba(11, 24, 48, .86);
}
.page-faq .tut-steps__n {
  padding-top: 3px;
  font-size: 13px;
  color: var(--cyan);
}
.page-faq .tut-steps__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper);
}

/* 三分钟总览的三张路径卡 */
.page-faq .tut-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.page-faq .tut-track__card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(25, 227, 209, .1), transparent 62%),
    var(--ink-800);
}
.page-faq .tut-track__card:nth-child(2) {
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(76, 125, 255, .14), transparent 62%),
    var(--ink-800);
}
.page-faq .tut-track__card:nth-child(3) {
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(255, 107, 44, .14), transparent 62%),
    var(--ink-800);
}
.page-faq .tut-track__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.page-faq .tut-track__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
  line-height: 1.35;
}
.page-faq .tut-track__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 配图 ---------- */
.page-faq .tut-figure {
  margin: clamp(22px, 3.4vw, 36px) 0 0;
}
.page-faq .tut-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--ink-800);
}
.page-faq .tut-figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 检索路径图谱 ---------- */
.page-faq .tut-path {
  margin: clamp(34px, 5vw, 60px) 0;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid rgba(25, 227, 209, .2);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 160% at 0% 0%, rgba(25, 227, 209, .14), transparent 62%),
    var(--ink-700);
  overflow: hidden;
}
.page-faq .tut-path__label {
  margin: 0 0 18px;
  color: var(--cyan);
}
.page-faq .tut-path__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-faq .tut-path__svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

/* ---------- 常见疑问 ---------- */
.page-faq .tut-faq-section { border-top: 1px solid var(--line); padding-top: clamp(22px, 3vw, 34px); }

.page-faq .tut-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 4px 0 18px;
}
.page-faq .tut-filter__status {
  margin-left: auto;
  color: var(--muted);
}

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

.page-faq .tut-q {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 24, 48, .56);
  overflow: hidden;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.page-faq .tut-q[open] {
  border-color: rgba(25, 227, 209, .42);
  box-shadow: inset 3px 0 0 var(--cyan);
}
.page-faq .tut-q:hover { border-color: rgba(25, 227, 209, .28); }

.page-faq .tut-q__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}
.page-faq .tut-q__q::-webkit-details-marker { display: none; }
.page-faq .tut-q__q::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--cyan);
}
.page-faq .tut-q[open] .tut-q__q::before { content: "–"; }

.page-faq .tut-q__a {
  padding: 0 18px 18px 46px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}
.page-faq .tut-q__a p { margin: 0; max-width: 62ch; }

/* ---------- 人工支持 ---------- */
.page-faq .tut-help {
  margin-top: clamp(36px, 5vw, 64px);
  padding: clamp(22px, 3.6vw, 40px);
  border: 1px solid rgba(255, 107, 44, .3);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(255, 107, 44, .2), transparent 58%),
    var(--ink-600);
}
.page-faq .tut-help__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}
.page-faq .tut-help__text {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}
.page-faq .tut-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.page-faq .tut-help__cell {
  padding: 14px 16px;
  border: 1px solid rgba(255, 211, 107, .22);
  border-radius: var(--radius-md);
  background: rgba(5, 11, 28, .5);
}
.page-faq .tut-help__cell .label { color: var(--gold); margin: 0 0 6px; }
.page-faq .tut-help__val {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}
.page-faq .tut-help__hint {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .tut-track { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .tut-help__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1020px) {
  .page-faq .tut-layout {
    grid-template-columns: var(--tut-aside-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 68px);
  }
  .page-faq .tut-aside {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }
  .page-faq .tut-body {
    max-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-steps__item,
  .page-faq .tut-q,
  .page-faq .tut-index__link {
    transition: none;
  }
}
<<<END>>>