/* ============ 使用教程页 ============ */
.page-faq {
  padding-top: var(--header-h);
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .tut-hero {
  padding: 40px 0 34px;
  background:
    radial-gradient(120% 120% at 84% -10%, rgba(56, 39, 110, .8) 0%, rgba(10, 16, 38, 0) 62%),
    linear-gradient(180deg, rgba(14, 76, 85, .42) 0%, rgba(10, 16, 38, 0) 74%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-hero__grid {
  display: grid;
  gap: 30px;
}

.page-faq .tut-hero__main::before {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  background: var(--pulse);
  margin-bottom: 20px;
}

.page-faq .tut-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 60px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--white);
  max-width: 20ch;
}

.page-faq .tut-hero__lead {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 60ch;
}

.page-faq .tut-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .tut-facts {
  display: grid;
  gap: 8px;
  align-content: start;
  border-top: 2px solid var(--pulse);
  padding-top: 16px;
}

.page-faq .tut-fact {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .tut-fact__num {
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .tut-fact__txt {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 目录 + 内容 两栏 ---------- */
.page-faq .tut-layout {
  display: grid;
  gap: 26px;
  padding-top: 30px;
  padding-bottom: 56px;
}

.page-faq .tut-rail {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.page-faq .tut-rail__label {
  display: none;
}

.page-faq .tut-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .tut-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-dim);
  border: 1px solid var(--line);
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .tut-rail__num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--slate);
}

.page-faq .tut-rail__name {
  font-size: 13px;
}

.page-faq .tut-rail__link:hover,
.page-faq .tut-rail__link:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
  background: rgba(47, 242, 212, .08);
}

.page-faq .tut-body {
  min-width: 0;
}

/* ---------- 步骤区块 ---------- */
.page-faq .tut-step {
  padding: 26px 0 6px;
  border-top: 1px dashed var(--line);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .tut-step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .tut-step__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-faq .tut-step__num {
  font-family: var(--font-num);
  font-size: 34px;
  line-height: 1;
  color: var(--line);
  transition: color .2s var(--ease);
}

.page-faq .tut-step.is-current .tut-step__num {
  color: var(--white);
}

.page-faq .tut-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .tut-step__lead {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 60ch;
}

.page-faq .tut-actions {
  counter-reset: tut;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .tut-actions li {
  position: relative;
  padding: 14px 16px 14px 50px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .tut-actions li::before {
  counter-increment: tut;
  content: counter(tut, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .tut-actions li:hover {
  border-color: var(--cyan);
  background: rgba(47, 242, 212, .06);
}

.page-faq .tut-note {
  margin-top: 14px;
  padding: 14px 16px;
  background: var(--paper);
  color: var(--on-paper);
  border: 1px solid rgba(22, 27, 51, .22);
  box-shadow: 6px 6px 0 rgba(47, 242, 212, .16);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .tut-note__key {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .14em;
  color: #5A1B33;
}

.page-faq .tut-note a {
  color: #0E4C55;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 配图 ---------- */
.page-faq .tut-figure {
  margin: 18px 0 0;
}

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

.page-faq .tut-figure__cap {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 时间尺 ---------- */
.page-faq .tut-ruler {
  margin-top: 18px;
  padding: 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-faq .tut-ruler__track {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .tut-ruler__seg {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  background: var(--ink);
  border: 1px solid var(--line);
  transition: border-color .18s var(--ease);
}

.page-faq .tut-ruler__seg--a,
.page-faq .tut-ruler__seg--b {
  background: rgba(47, 242, 212, .08);
  border-color: rgba(47, 242, 212, .34);
}

.page-faq .tut-ruler__seg--gap {
  background: rgba(255, 91, 54, .14);
  border-color: rgba(255, 91, 54, .48);
}

.page-faq .tut-ruler__time {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--white);
}

.page-faq .tut-ruler__label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-faq .tut-ruler__seg--gap .tut-ruler__label {
  color: var(--pulse);
}

.page-faq .tut-ruler__tip {
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-faq .tut-ruler__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
}

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

/* ---------- 常见疑问 ---------- */
.page-faq .tut-faq {
  margin-top: 52px;
  padding-top: 30px;
  border-top: 2px solid var(--pulse);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .tut-faq__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .tut-faq__lead {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 56ch;
}

.page-faq .tut-filters {
  margin: 20px 0 16px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

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

.page-faq .tut-q {
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .tut-q[open] {
  border-color: var(--cyan);
  background: rgba(47, 242, 212, .05);
}

.page-faq .tut-q__q {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-size: 15px;
  line-height: 1.6;
}

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

.page-faq .tut-q__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-num);
  font-size: 17px;
  color: var(--cyan);
}

.page-faq .tut-q[open] .tut-q__q::after {
  content: "–";
}

.page-faq .tut-q__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .tut-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .tut-q__body {
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 下一步 ---------- */
.page-faq .tut-next {
  margin-top: 46px;
  padding: 24px 20px;
  background: linear-gradient(150deg, rgba(90, 27, 51, .55) 0%, rgba(20, 27, 66, 1) 62%);
  border: 1px solid var(--line);
  display: grid;
  gap: 20px;
}

.page-faq .tut-next__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .tut-next__lead {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 52ch;
}

.page-faq .tut-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .tut-next__link {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: rgba(10, 16, 38, .5);
  text-decoration: none;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .tut-next__link:hover,
.page-faq .tut-next__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(47, 242, 212, .08);
}

.page-faq .tut-next__link-t {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .tut-next__link-d {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .tut-hero {
    padding: 56px 0 46px;
  }

  .page-faq .tut-hero__lead,
  .page-faq .tut-step__lead,
  .page-faq .tut-faq__lead,
  .page-faq .tut-next__lead {
    font-size: 16px;
  }

  .page-faq .tut-step__title {
    font-size: 26px;
  }

  .page-faq .tut-step__num {
    font-size: 42px;
  }

  .page-faq .tut-ruler__track {
    flex-direction: row;
    gap: 6px;
    height: 118px;
    align-items: stretch;
  }

  .page-faq .tut-ruler__seg--a,
  .page-faq .tut-ruler__seg--b {
    flex: 5;
  }

  .page-faq .tut-ruler__seg--gap {
    flex: 3;
  }

  .page-faq .tut-ruler {
    margin-top: 68px;
  }

  .page-faq .tut-ruler__seg {
    justify-content: flex-end;
  }

  .page-faq .tut-ruler__tip {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(100% + 8px);
    z-index: 3;
    padding: 9px 11px;
    background: var(--paper);
    color: var(--on-paper);
    border: 1px solid var(--on-paper);
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s var(--ease), visibility .18s var(--ease);
  }

  .page-faq .tut-ruler__seg:hover .tut-ruler__tip,
  .page-faq .tut-ruler__seg:focus-within .tut-ruler__tip {
    opacity: 1;
    visibility: visible;
  }

  .page-faq .tut-q__q {
    padding: 17px 20px;
    font-size: 16px;
  }

  .page-faq .tut-q__body {
    padding: 0 20px 18px;
    font-size: 15px;
  }

  .page-faq .tut-next {
    padding: 30px 28px;
  }

  .page-faq .tut-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
}

/* ---------- 桌面：左目录固定 ---------- */
@media (min-width: 1000px) {
  .page-faq .tut-hero__grid {
    grid-template-columns: 1.45fr .55fr;
    gap: 56px;
    align-items: end;
  }

  .page-faq .tut-layout {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 56px;
    padding-top: 48px;
    padding-bottom: 80px;
  }

  .page-faq .tut-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    border-top: 0;
    border-bottom: 0;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .tut-rail__label {
    display: block;
    margin: 0 0 12px;
    padding-left: 14px;
    color: var(--slate);
  }

  .page-faq .tut-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .tut-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 14px;
  }

  .page-faq .tut-rail__link:hover,
  .page-faq .tut-rail__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(47, 242, 212, .06);
  }

  .page-faq .tut-step__title {
    font-size: 30px;
  }

  .page-faq .tut-step {
    padding-top: 34px;
    scroll-margin-top: calc(var(--header-h) + 40px);
  }

  .page-faq .tut-faq {
    margin-top: 64px;
  }

  .page-faq .tut-next {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 36px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</｜｜DSML｜｜ calls>