/* ===== 操作教程页 ===== */
.page-faq {
  padding-bottom: 4rem;
}

.page-faq .tut-hero {
  padding: 1.25rem 0 2.5rem;
}

.page-faq .tut-h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 7vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0.85rem 0 1.1rem;
  max-width: 17ch;
}

.page-faq .tut-lede {
  max-width: 58ch;
  margin: 0 0 1.6rem;
  color: var(--white-78);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .tut-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .tut-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin: 1.7rem 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .tut-hero__meta li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.page-faq .tut-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--lime);
}

/* 索引 + 内容流 */
.page-faq .tut-layout {
  display: grid;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.page-faq .tut-index__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .tut-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-faq .tut-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: 0.8rem;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .tut-index__link:hover,
.page-faq .tut-index__link:focus-visible {
  color: var(--white);
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.08);
}

.page-faq .tut-index__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--lime);
}

/* 章节 */
.page-faq .tut-section {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .tut-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 0.55rem;
}

.page-faq .tut-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  line-height: 1.14;
  color: var(--white);
  margin: 0 0 0.7rem;
}

/* 步骤总览 */
.page-faq .tut-steps {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.page-faq .tut-step {
  position: relative;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.9rem;
  padding-bottom: 1.4rem;
}

.page-faq .tut-step:last-child {
  padding-bottom: 0;
}

.page-faq .tut-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: calc(1rem - 0.5px);
  top: 2.2rem;
  bottom: 0.3rem;
  width: 1px;
  background: var(--line-strong);
}

.page-faq .tut-step__num {
  position: relative;
  z-index: 1;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
}

.page-faq .tut-step h3 {
  margin: 0.28rem 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.page-faq .tut-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .tut-inline-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.32);
  margin-left: 0.3rem;
}

.page-faq .tut-inline-link:hover,
.page-faq .tut-inline-link:focus-visible {
  border-bottom-color: var(--lime);
}

/* 图片 */
.page-faq .tut-figure {
  --frame-ratio: 3 / 2;
  margin: 0 0 1.5rem;
}

.page-faq .tut-figure--lite {
  --frame-ratio: 10 / 7;
  margin: 0;
}

/* 折叠步骤卡 */
.page-faq .tut-cards {
  display: grid;
}

.page-faq .tut-card {
  border-left: 2px solid var(--line-strong);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(23, 61, 51, 0.55), rgba(11, 15, 14, 0.12));
  margin-bottom: 0.55rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .tut-card[open] {
  border-left-color: var(--lime);
  background: linear-gradient(90deg, rgba(23, 61, 51, 0.92), rgba(11, 15, 14, 0.22));
}

.page-faq .tut-card > summary {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-faq .tut-card > summary::-webkit-details-marker {
  display: none;
}

.page-faq .tut-card__badge {
  flex: none;
  padding: 0.12rem 0.42rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mist);
}

.page-faq .tut-card[open] .tut-card__badge {
  color: var(--lime);
  border-color: rgba(200, 255, 61, 0.45);
}

.page-faq .tut-card__title {
  flex: 1;
  min-width: 0;
  color: var(--white);
  font-size: 0.96rem;
  font-weight: 600;
}

.page-faq .tut-mark {
  position: relative;
  flex: none;
  width: 13px;
  height: 13px;
  margin-left: auto;
}

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

.page-faq .tut-mark::before {
  left: 0;
  top: 5.75px;
  width: 13px;
  height: 1.5px;
}

.page-faq .tut-mark::after {
  left: 5.75px;
  top: 0;
  width: 1.5px;
  height: 13px;
  transition: opacity 0.2s ease;
}

.page-faq details[open] > summary .tut-mark::after {
  opacity: 0;
}

.page-faq .tut-card__body {
  padding: 0 1rem 1.1rem;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--white-78);
}

.page-faq .tut-card__path {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0 0 0.55rem;
}

.page-faq .tut-card__path .label {
  flex: none;
  color: var(--lime);
  letter-spacing: 0.08em;
}

.page-faq .tut-card__note {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  color: var(--mist);
}

.page-faq .tut-card__body .tut-card__note::before {
  content: "→ ";
  color: var(--orange);
}

/* 日期筛选 */
.page-faq .tut-filters {
  margin: 1.2rem 0 0;
  display: grid;
  gap: 0.65rem;
}

.page-faq .tut-filter {
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(14, 42, 34, 0.4);
}

.page-faq .tut-filter dt {
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .tut-filter dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .tut-pitfalls {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-faq .tut-pitfall {
  padding-left: 1rem;
  border-left: 2px solid var(--orange);
}

.page-faq .tut-pitfall b {
  display: block;
  margin-bottom: 0.22rem;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--white);
}

.page-faq .tut-pitfall span {
  font-size: 0.89rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 收藏回看 */
.page-faq .tut-mini-grid {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.6rem;
}

.page-faq .tut-mini {
  padding: 1rem;
  border-top: 2px solid var(--gold);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--ink-2);
}

.page-faq .tut-mini h3 {
  margin: 0 0 0.35rem;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--white);
}

.page-faq .tut-mini p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 精简入口 */
.page-faq .tut-split {
  display: grid;
  gap: 1.4rem;
}

.page-faq .tut-lite-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-faq .tut-lite-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.91rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .tut-lite-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--lime);
}

.page-faq .tut-lite-list b {
  color: var(--white);
  font-weight: 600;
}

/* 问答速查 */
.page-faq .tut-qa-list {
  margin-top: 1rem;
  display: grid;
}

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

.page-faq .tut-qa > summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 0.2rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--white);
}

.page-faq .tut-qa > summary::-webkit-details-marker {
  display: none;
}

.page-faq .tut-qa[open] > summary {
  color: var(--lime);
}

.page-faq .tut-qa__answer {
  margin: 0;
  padding: 0 0.2rem 1rem;
  font-size: 0.89rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 联系区块 */
.page-faq .tut-help {
  margin-top: 2.5rem;
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(14, 42, 34, 0.95), rgba(11, 15, 14, 0.98));
}

.page-faq .tut-help h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.8vw, 2rem);
  line-height: 1.15;
  color: var(--white);
}

.page-faq .tut-help p {
  max-width: 54ch;
  margin: 0 0 1.1rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--white-78);
}

.page-faq .tut-contact {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .tut-contact li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 0.92rem;
}

.page-faq .tut-contact .label {
  color: var(--mist);
}

.page-faq .tut-contact a {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.3);
  word-break: break-all;
}

.page-faq .tut-contact a:hover,
.page-faq .tut-contact a:focus-visible {
  border-bottom-color: var(--lime);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .tut-hero {
    padding: 1.75rem 0 3rem;
  }

  .page-faq .tut-contact {
    grid-template-columns: auto auto;
    justify-content: start;
    gap: 1.6rem;
  }

  .page-faq .tut-help {
    padding: 2rem 1.75rem;
  }
}

@media (min-width: 720px) {
  .page-faq .tut-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-faq .tut-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 960px) {
  .page-faq .tut-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 4rem;
    padding-top: 3rem;
  }

  .page-faq .tut-index {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 1.25rem 1rem;
    border: 1px solid var(--glass-line);
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
  }

  .page-faq .tut-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.1rem;
  }

  .page-faq .tut-index__link {
    width: 100%;
    padding: 0.5rem 0.55rem;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 0.86rem;
  }

  .page-faq .tut-index__link:hover,
  .page-faq .tut-index__link:focus-visible {
    border-left-color: var(--lime);
    background: rgba(200, 255, 61, 0.07);
  }

  .page-faq .tut-section {
    padding: 2.75rem 0;
  }

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

  .page-faq .tut-card__body {
    padding: 0 1.25rem 1.2rem;
  }

  .page-faq .tut-card > summary {
    padding: 1rem 1.25rem;
  }
}

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