/* ===== 使用教程 / page-faq ===== */

.page-faq {
  --faq-rail-w: 224px;
  --faq-gap: clamp(20px, 3.6vw, 46px);
  --faq-card-bg: rgba(18, 48, 38, .55);
  --faq-rule: 1px solid var(--line);
  background: var(--field);
  color: var(--body-text);
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* --- 面包屑 --- */
.page-faq .crumbs {
  padding-block: 22px 10px;
}

.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .crumbs__link {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-faq .crumbs__link:hover,
.page-faq .crumbs__link:focus-visible {
  color: var(--turf);
}

.page-faq .crumbs__sep {
  color: var(--line);
}

.page-faq .crumbs__item[aria-current="page"] {
  color: var(--chalk);
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--faq-rule);
  background:
    radial-gradient(130% 100% at 88% -12%, rgba(79, 224, 126, .16), transparent 62%),
    linear-gradient(175deg, var(--stand) 0%, var(--field) 78%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(112deg, rgba(79, 224, 126, .06) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
  padding-block: clamp(38px, 6.5vw, 78px) clamp(34px, 5.5vw, 66px);
}

.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-faq .faq-hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--turf);
  opacity: .7;
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.6vw, 56px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--body-text-dim);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fact {
  padding: 14px 16px;
  border: var(--faq-rule);
  border-radius: var(--radius-sm);
  background: rgba(6, 20, 16, .6);
}

.page-faq .faq-fact__n {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--turf);
}

.page-faq .faq-fact__t {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* --- 双栏骨架 --- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: clamp(30px, 5.5vw, 68px);
}

/* --- 左侧步骤索引 --- */
.page-faq .faq-rail {
  padding: 16px;
  border: var(--faq-rule);
  border-radius: var(--radius-card);
  background: var(--stand);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-faq .faq-rail__link {
  display: block;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-rail__link:hover {
  color: var(--chalk);
  border-color: var(--line);
}

.page-faq .faq-rail__link[aria-current],
.page-faq .faq-rail__link.is-active {
  color: var(--field);
  background: var(--turf);
  border-color: var(--turf);
  font-weight: 600;
}

/* --- 主内容区 --- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  padding-block: clamp(28px, 4.6vw, 52px);
  border-top: var(--faq-rule);
}

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

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

.page-faq .faq-section__index {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: rgba(79, 224, 126, .1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--turf);
}

.page-faq .faq-section__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-faq .faq-section__note {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-lead {
  margin: 0 0 4px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-text-dim);
}

/* --- 三条最短路径 --- */
.page-faq .faq-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-path {
  padding: 20px 20px 22px;
  border: var(--faq-rule);
  border-radius: var(--radius-card);
  background: var(--faq-card-bg);
  transition: border-color .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .faq-path:hover {
  border-color: var(--turf);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-path__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--chalk);
}

/* --- 带编号的小步骤 --- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps > li {
  position: relative;
  padding-left: 32px;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--body-text);
}

.page-faq .faq-steps > li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .12em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--turf);
}

/* --- 图文分栏（筛选章节） --- */
.page-faq .faq-media-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .faq-numsteps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-numsteps > li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-numsteps > li:last-child {
  border-bottom: 0;
}

.page-faq .faq-numsteps__n {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--turf);
}

.page-faq .faq-numsteps__text {
  padding-top: 4px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--body-text);
}

/* --- 读表提示 --- */
.page-faq .faq-readout {
  margin-top: 22px;
  padding: 18px 18px 20px;
  border: var(--faq-rule);
  border-left: 3px solid var(--turf);
  border-radius: var(--radius-sm);
  background: rgba(11, 32, 24, .8);
}

.page-faq .faq-readout__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--chalk);
}

.page-faq .faq-readout__list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-readout__item {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-text-dim);
}

.page-faq .faq-readout__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow);
}

.page-faq .faq-readout__item strong {
  color: var(--chalk);
  font-weight: 600;
}

/* --- 图片框 --- */
.page-faq .faq-figure {
  margin: 0;
  border: var(--faq-rule);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--seat);
}

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

/* --- 公告说明块 --- */
.page-faq .faq-callout {
  margin-top: 22px;
  padding: 18px 20px;
  border: var(--faq-rule);
  border-radius: var(--radius-sm);
  background: rgba(11, 32, 24, .7);
}

.page-faq .faq-callout--alt {
  margin-top: 12px;
  border-left: 3px solid var(--yellow);
  background: rgba(243, 196, 38, .06);
}

.page-faq .faq-callout__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-text-dim);
}

/* --- 双场连看时间线 --- */
.page-faq .faq-timeline {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 6px 0 0;
  list-style: none;
}

.page-faq .faq-timeline__item {
  position: relative;
  margin-left: 5px;
  padding: 0 0 20px 30px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 0 4px rgba(79, 224, 126, .14);
}

.page-faq .faq-timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--turf);
}

.page-faq .faq-timeline__label {
  display: inline-block;
  margin-top: 5px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--chalk);
}

.page-faq .faq-timeline__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--body-text-dim);
}

/* --- 筛选胶囊 --- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .filter-btn {
  appearance: none;
  padding: 9px 15px;
  border: var(--faq-rule);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .filter-btn:hover {
  color: var(--chalk);
  border-color: var(--turf);
}

.page-faq .filter-btn[aria-pressed="true"],
.page-faq .filter-btn.is-active {
  background: var(--turf);
  border-color: var(--turf);
  color: var(--field);
  font-weight: 600;
}

.page-faq .filter-empty {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--mist);
}

/* --- 问答折叠 --- */
.page-faq .faq-qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-qa {
  border: var(--faq-rule);
  border-radius: var(--radius-sm);
  background: rgba(18, 48, 38, .45);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-qa:hover {
  border-color: rgba(79, 224, 126, .45);
}

.page-faq .faq-qa[open] {
  border-color: rgba(79, 224, 126, .6);
  background: rgba(18, 48, 38, .72);
}

.page-faq .faq-qa__q {
  position: relative;
  padding: 15px 46px 15px 18px;
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--chalk);
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-qa__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--turf);
}

.page-faq .faq-qa[open] .faq-qa__q::after {
  content: "−";
}

.page-faq .faq-qa__a {
  margin: 0;
  padding: 0 18px 17px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--body-text-dim);
}

/* --- 联系引导 --- */
.page-faq .faq-help {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
  border: var(--faq-rule);
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(18, 48, 38, .92), rgba(11, 32, 24, .68));
}

.page-faq .faq-help__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-text-dim);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- 平板及以上 --- */
@media (min-width: 720px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-media-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 28px;
    align-items: start;
  }

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

  .page-faq .faq-timeline {
    grid-auto-flow: column;
    grid-auto-columns: minmax(160px, 1fr);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-top: 12px;
  }

  .page-faq .faq-timeline__item {
    margin-left: 0;
    padding: 22px 16px 0 0;
    border-left: 0;
    border-top: 2px solid var(--line);
  }

  .page-faq .faq-timeline__item:last-child {
    border-top-color: var(--line);
    padding-bottom: 0;
  }

  .page-faq .faq-timeline__item::before {
    left: 0;
    top: -6px;
  }
}

/* --- 桌面双栏 --- */
@media (min-width: 940px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h-collapsed) + 22px);
    padding: 20px 18px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
    padding: 9px 12px;
    border-radius: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path,
  .page-faq .faq-qa,
  .page-faq .filter-btn,
  .page-faq .faq-rail__link,
  .page-faq .crumbs__link {
    transition: none;
  }

  .page-faq .faq-path:hover {
    transform: none;
  }
}
<<<END>>>