/* ===================================================
   教程中心 /tutorial/ —— 页面专属样式
   作用域：.page-faq
   =================================================== */

.page-faq {
  --faq-pad: clamp(18px, 2.6vw, 32px);
  --faq-ease: var(--bx-ease);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 40px) 0 clamp(48px, 7vw, 104px);
}

.page-faq .faq-hero__trail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2%;
  width: 100%;
  height: clamp(160px, 30vh, 340px);
  color: var(--bx-lake);
  opacity: .45;
  pointer-events: none;
}

.page-faq .faq-hero > .bx-shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(26px, 5vw, 64px);
}

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

.page-faq .faq-hero__title {
  margin: 10px 0 clamp(14px, 1.8vw, 22px);
  font-family: var(--bx-font-display);
  font-weight: 900;
  font-size: clamp(40px, 7.6vw, 104px);
  line-height: .95;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.page-faq .faq-hero__accent {
  color: var(--bx-flag);
}

.page-faq .faq-hero__lede {
  margin: 0 0 clamp(20px, 2.8vw, 34px);
  max-width: 46ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--bx-on-dark);
}

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

@media (min-width: 960px) {
  .page-faq .faq-hero__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

/* ---------- 速查面板 ---------- */

.page-faq .faq-quick {
  padding: var(--faq-pad);
  border-radius: var(--bx-radius);
}

.page-faq .faq-quick__title {
  margin: 0 0 4px;
  font-family: var(--bx-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--bx-lake-soft);
}

.page-faq .faq-quick__row {
  display: grid;
  grid-template-columns: minmax(70px, auto) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--bx-hair-dark);
}

.page-faq .faq-quick__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-quick__key {
  font-family: var(--bx-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bx-lake-soft);
  white-space: nowrap;
}

.page-faq .faq-quick__val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--bx-on-dark);
}

/* ---------- 五分钟上手 ---------- */

.page-faq .faq-start {
  padding: clamp(48px, 7vw, 104px) 0;
}

.page-faq .faq-start__head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 46px);
  color: var(--bx-ink);
}

.page-faq .faq-start__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--bx-ink-soft);
}

.page-faq .faq-flow {
  margin: 0 0 clamp(26px, 4vw, 44px);
}

.page-faq .faq-flow .bx-figure__frame {
  overflow: hidden;
  border-radius: var(--bx-radius);
}

.page-faq .faq-flow .bx-figure__img,
.page-faq .faq-figure-quota .bx-figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-flow .bx-figure__caption,
.page-faq .faq-figure-quota .bx-figure__caption {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--bx-ink-soft);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--bx-hair-light);
  border: 1px solid var(--bx-hair-light);
  border-radius: var(--bx-radius);
  overflow: hidden;
}

.page-faq .faq-steps__item {
  background: var(--bx-paper);
  padding: clamp(18px, 2.2vw, 26px);
  display: grid;
  gap: 8px;
  align-content: start;
  transition: background var(--bx-ease);
}

.page-faq .faq-steps__item:hover {
  background: #ffffff;
}

.page-faq .faq-steps__no {
  font-family: var(--bx-font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--bx-flag);
}

.page-faq .faq-steps__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--bx-ink);
}

.page-faq .faq-steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bx-ink-soft);
}

@media (min-width: 620px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* ---------- 操作详解 ---------- */

.page-faq .faq-manual-section {
  padding: clamp(48px, 7vw, 104px) 0;
}

.page-faq .faq-manual-section__head {
  max-width: 58ch;
  margin-bottom: clamp(30px, 4vw, 56px);
  color: var(--bx-ink);
}

.page-faq .faq-manual {
  display: grid;
  gap: clamp(28px, 4vw, 60px);
}

.page-faq .faq-manual__index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-manual__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  color: var(--bx-ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.42;
  transition: color var(--bx-ease), border-color var(--bx-ease), background var(--bx-ease);
}

.page-faq .faq-manual__link:hover,
.page-faq .faq-manual__link:focus-visible {
  color: var(--bx-ink);
  border-left-color: var(--bx-flag);
  background: rgba(228, 87, 46, .07);
}

.page-faq .faq-manual__no {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  background: var(--bx-abyss);
  color: var(--bx-paper);
  font-family: var(--bx-font-mono);
  font-size: 12px;
  font-weight: 700;
  transition: background var(--bx-ease);
}

.page-faq .faq-manual__link:hover .faq-manual__no,
.page-faq .faq-manual__link:focus-visible .faq-manual__no {
  background: var(--bx-flag);
}

.page-faq .faq-manual__panel {
  display: grid;
  gap: clamp(40px, 5vw, 76px);
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-faq .faq-manual {
    grid-template-columns: minmax(190px, 216px) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-manual__index {
    position: sticky;
    top: 108px;
  }
}

.page-faq .faq-step-block {
  min-width: 0;
  scroll-margin-top: 112px;
}

.page-faq .faq-step-block__title {
  margin: 0 0 14px;
  font-family: var(--bx-font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--bx-ink);
}

.page-faq .faq-step-block__title::before {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin-bottom: 14px;
  background: var(--bx-flag);
}

.page-faq .faq-step-block p {
  margin: 0 0 16px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--bx-ink-soft);
}

.page-faq .faq-step-block p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-step-block .bx-table-wrap {
  margin: 0 0 18px;
}

.page-faq .faq-step-block .bx-table caption {
  text-align: left;
  padding-bottom: 10px;
  color: var(--bx-ink-soft);
}

/* ---------- 图例 ---------- */

.page-faq .faq-legend {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--bx-hair-light);
}

.page-faq .faq-legend__row {
  display: grid;
  grid-template-columns: 14px 62px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 10px 14px 0;
  border-bottom: 1px solid var(--bx-hair-light);
  transition: background var(--bx-ease), padding-left var(--bx-ease);
}

.page-faq .faq-legend__row:hover {
  background: rgba(31, 122, 140, .07);
  padding-left: 10px;
}

.page-faq .faq-legend__swatch {
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border-radius: 2px;
  transition: transform var(--bx-ease);
}

.page-faq .faq-legend__row:hover .faq-legend__swatch {
  transform: scale(1.2);
}

.page-faq .faq-legend__swatch--used {
  background: var(--bx-lake);
}

.page-faq .faq-legend__swatch--left {
  background: var(--bx-line);
}

.page-faq .faq-legend__swatch--refile {
  background: var(--bx-flag);
}

.page-faq .faq-legend__tag {
  padding-top: 2px;
  font-family: var(--bx-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--bx-ink);
}

.page-faq .faq-legend__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bx-ink-soft);
}

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

.page-faq .faq-figure-quota .bx-figure__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--bx-radius);
}

/* ---------- 提交异议与勘误 ---------- */

.page-faq .faq-submit {
  padding: clamp(48px, 7vw, 104px) 0;
}

.page-faq .faq-submit__head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .faq-submit__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--bx-on-dark);
}

.page-faq .faq-requests {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 48px);
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-requests__item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: var(--faq-pad);
  background: rgba(236, 231, 222, .05);
  border: 1px solid var(--bx-hair-dark);
  border-radius: var(--bx-radius);
  transition: transform var(--bx-ease), border-color var(--bx-ease), background var(--bx-ease);
}

.page-faq .faq-requests__item:hover {
  transform: translateY(-2px);
  border-color: var(--bx-flag);
  background: rgba(236, 231, 222, .085);
}

.page-faq .faq-requests__tag {
  margin: 0;
  font-family: var(--bx-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--bx-lake-soft);
}

.page-faq .faq-requests__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--bx-paper);
}

.page-faq .faq-requests__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-requests__list li {
  position: relative;
  padding-left: 15px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bx-on-dark);
}

.page-faq .faq-requests__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--bx-flag-soft);
}

.page-faq .faq-requests__sla {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--bx-hair-dark);
  font-family: var(--bx-font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--bx-lake-soft);
}

@media (min-width: 780px) {
  .page-faq .faq-requests {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-requests__item:hover {
    transform: none;
  }
}

.page-faq .faq-mail {
  padding: var(--faq-pad);
  border: 1px solid var(--bx-hair-dark);
  border-left: 3px solid var(--bx-flag);
  background: rgba(6, 16, 28, .55);
  border-radius: var(--bx-radius);
}

.page-faq .faq-mail__list {
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-mail__list li {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--bx-hair-dark);
}

.page-faq .faq-mail__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-mail__k {
  font-size: 13px;
  color: var(--bx-on-dark-soft);
}

.page-faq .faq-mail__v {
  font-family: var(--bx-font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--bx-paper);
  word-break: break-word;
}

.page-faq .faq-mail__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--bx-on-dark);
  word-break: break-word;
}

/* ---------- 常见问题 ---------- */

.page-faq .faq-answers {
  padding: clamp(48px, 7vw, 104px) 0;
}

.page-faq .faq-answers__head {
  max-width: 54ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .faq-answers__grid {
  display: grid;
  gap: clamp(28px, 3.6vw, 48px);
}

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

.page-faq .faq-qa-group__title {
  margin: 0 0 6px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bx-flag);
  font-family: var(--bx-font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--bx-lake-soft);
}

.page-faq .faq-qa {
  border-bottom: 1px solid var(--bx-hair-dark);
}

.page-faq .faq-qa__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 15px 0;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--bx-paper);
  transition: color var(--bx-ease);
}

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

.page-faq .faq-qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--bx-font-mono);
  font-size: 18px;
  line-height: 1.15;
  color: var(--bx-lake-soft);
  transition: color var(--bx-ease);
}

.page-faq .faq-qa[open] .faq-qa__q::after {
  content: "–";
  color: var(--bx-flag);
}

.page-faq .faq-qa__q:hover,
.page-faq .faq-qa__q:focus-visible {
  color: var(--bx-flag-soft);
}

.page-faq .faq-qa__q:focus-visible {
  outline: 2px solid var(--bx-lake-soft);
  outline-offset: 3px;
}

.page-faq .faq-qa__a {
  margin: 0 0 16px;
  padding: 2px 0 0 16px;
  border-left: 2px solid var(--bx-lake);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--bx-on-dark);
}

@media (min-width: 900px) {
  .page-faq .faq-answers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

/* ---------- 延伸入口 ---------- */

.page-faq .faq-more {
  padding: clamp(38px, 5vw, 64px) 0;
}

.page-faq .faq-more .bx-eyebrow {
  margin-bottom: 14px;
}

.page-faq .faq-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--bx-hair-light);
  border-top: 1px solid var(--bx-hair-light);
  border-bottom: 1px solid var(--bx-hair-light);
}

.page-faq .faq-more__item {
  background: var(--bx-paper);
  padding: 18px 16px;
}

.page-faq .faq-more__link {
  display: grid;
  gap: 6px;
  color: var(--bx-ink);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  transition: color var(--bx-ease);
}

.page-faq .faq-more__link span {
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--bx-ink-soft);
}

.page-faq .faq-more__link:hover,
.page-faq .faq-more__link:focus-visible {
  color: var(--bx-flag);
}

@media (min-width: 720px) {
  .page-faq .faq-more__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>