.page-faq {
  --tut-edge: clamp(16px, 4vw, 48px);
  --tut-gap: clamp(24px, 3.4vw, 48px);
  --tut-radius: 14px;
}

.page-faq .tut-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(36px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(201, 161, 90, 0.16) 0%, rgba(201, 161, 90, 0) 58%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

.page-faq .breadcrumb a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumb a:hover {
  border-bottom-color: var(--gold);
}

.page-faq .tut-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tut-gap);
  align-items: start;
}

.page-faq .tut-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 60px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--ink-900);
  margin: 10px 0 18px;
}

.page-faq .tut-hero__lead .lede {
  max-width: 34em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--ink-700);
}

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

.page-faq .tut-hero__meta {
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-faq .tut-hero__panel {
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--tut-radius);
}

.page-faq .tut-panel__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin: 0 0 18px;
}

.page-faq .tut-route {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .tut-route li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 16px;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .tut-route .mono {
  color: var(--ice);
  font-size: 13px;
}

.page-faq .tut-panel__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gold-pale);
}

/* ---------- 步骤轨道 ---------- */
.page-faq .tut-step {
  background: var(--paper);
}

.page-faq .tut-track {
  margin-top: clamp(26px, 4vw, 44px);
  border-radius: var(--tut-radius);
  background: var(--paper-warm);
  overflow: hidden;
}

.page-faq .tut-track__steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-node {
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 22px 18px 20px;
  display: grid;
  gap: 4px;
  cursor: pointer;
  position: relative;
  font-family: var(--font-body);
  color: var(--ink-700);
}

.page-faq .tut-node__bar {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 6px;
  background: var(--gold-pale);
  transition: background 180ms ease;
}

.page-faq .tut-node[aria-selected="true"] .tut-node__bar {
  background: linear-gradient(90deg, var(--gold), var(--ice));
}

.page-faq .tut-node__idx {
  font-size: 22px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-faq .tut-node[aria-selected="true"] .tut-node__idx {
  color: var(--rust);
}

.page-faq .tut-node__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink-900);
}

.page-faq .tut-node__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--rock);
}

.page-faq .tut-track__steps .tabs__underline {
  position: absolute;
  bottom: -1px;
  height: 2px;
  background: var(--gold);
  transition: transform 220ms ease, width 220ms ease;
}

.page-faq .tut-track__panels {
  padding: clamp(22px, 3vw, 38px);
}

.page-faq .tut-phase h3 {
  margin-top: 0;
}

.page-faq .tut-phase p {
  max-width: 34em;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-faq .tut-tips {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .tut-tips li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(110, 115, 120, 0.4);
}

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

.page-faq .tut-tips .mono {
  font-size: 12px;
  color: var(--moss);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-faq .tut-figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border-radius: var(--tut-radius);
  overflow: hidden;
  background: var(--ink-900);
}

.page-faq .tut-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1000 / 560;
}

.page-faq .tut-figure--sq img {
  aspect-ratio: 1 / 1;
}

.page-faq .tut-figure .media__cap {
  display: block;
  padding: 12px 18px 14px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--gold-pale);
  background: var(--ink-900);
}

/* ---------- 三条路径 ---------- */
.page-faq .tut-route-sec {
  background: var(--paper);
}

.page-faq .tut-route-sec__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tut-gap);
}

.page-faq .tut-route-sec__grid .prose {
  max-width: 34em;
}

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

.page-faq .tut-lane {
  position: relative;
  padding: 22px 0 22px 26px;
  border-left: 2px solid var(--gold-pale);
}

.page-faq .tut-lane::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold);
}

.page-faq .tut-lane:last-child {
  border-left-color: transparent;
}

.page-faq .tut-lane__idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--rust);
}

.page-faq .tut-lane .subhead {
  margin: 6px 0 8px;
}

.page-faq .tut-lane p {
  margin: 0;
  max-width: 32em;
  line-height: 1.75;
  color: var(--ink-700);
  font-size: 15.5px;
}

/* ---------- 标签 ---------- */
.page-faq .tut-tag-sec {
  padding-top: clamp(44px, 6vw, 82px);
  padding-bottom: clamp(44px, 6vw, 82px);
}

.page-faq .tut-tag-sec .display,
.page-faq .tut-tag-sec .prose,
.page-faq .tut-tag-sec .eyebrow {
  color: var(--paper);
}

.page-faq .tut-tag-sec .prose {
  max-width: 40em;
  opacity: 0.92;
}

.page-faq .tut-tag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tut-gap);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-faq .tut-tag-col {
  background: rgba(10, 33, 28, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--tut-radius);
  padding: clamp(20px, 2.6vw, 30px);
  color: var(--paper);
}

.page-faq .tut-tag-col .subhead {
  color: var(--gold-pale);
  margin-top: 0;
}

.page-faq .tut-tag-col p {
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.9;
}

.page-faq .tut-steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .tut-steps-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  line-height: 1.72;
  font-size: 15px;
  color: var(--paper);
}

.page-faq .tut-steps-list .mono {
  color: var(--ice);
  font-size: 13px;
  padding-top: 3px;
}

.page-faq .tut-chiprow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 12px;
}

.page-faq .tut-tag-note {
  font-size: 14px;
  color: var(--gold-pale) !important;
  opacity: 0.85 !important;
  margin: 0;
}

/* ---------- 复盘组局 ---------- */
.page-faq .tut-group {
  background: var(--paper);
}

.page-faq .tut-flow {
  margin-top: clamp(24px, 3.6vw, 40px);
}

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

.page-faq .tut-flow__list > li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid rgba(110, 115, 120, 0.32);
}

.page-faq .tut-flow__list > li:first-child {
  border-top: 1px solid rgba(110, 115, 120, 0.32);
}

.page-faq .tut-flow__idx {
  font-size: 26px;
  color: var(--moss);
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-faq .tut-flow__list .subhead {
  margin: 8px 0 6px;
}

.page-faq .tut-flow__list p {
  margin: 0;
  max-width: 40em;
  line-height: 1.76;
  color: var(--ink-700);
  font-size: 15.5px;
}

.page-faq .tut-switch {
  margin-top: clamp(28px, 4vw, 46px);
  background: var(--paper-warm);
  border-radius: var(--tut-radius);
  overflow: hidden;
}

.page-faq .tut-switch__tabs {
  position: relative;
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .tut-switch__tabs .tab {
  appearance: none;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-700);
  padding: 16px 20px;
  cursor: pointer;
}

.page-faq .tut-switch__tabs .tab[aria-selected="true"] {
  color: var(--ink-900);
  font-weight: 600;
}

.page-faq .tut-switch__tabs .tabs__underline {
  position: absolute;
  bottom: -1px;
  height: 2px;
  background: var(--rust);
  transition: transform 220ms ease, width 220ms ease;
}

.page-faq .tut-switch__pane {
  padding: clamp(20px, 2.8vw, 30px);
}

.page-faq .tut-switch__pane p {
  margin: 0;
  max-width: 40em;
  line-height: 1.78;
  color: var(--ink-700);
}

/* ---------- FAQ ---------- */
.page-faq .tut-faq {
  padding-top: clamp(44px, 6vw, 82px);
  padding-bottom: clamp(44px, 6vw, 82px);
}

.page-faq .tut-acc {
  margin-top: clamp(22px, 3.4vw, 36px);
}

.page-faq .tut-acc .acc__item {
  border-bottom: 1px solid rgba(110, 115, 120, 0.34);
}

.page-faq .tut-acc .acc__item:first-child {
  border-top: 1px solid rgba(110, 115, 120, 0.34);
}

.page-faq .tut-acc .acc__trigger {
  width: 100%;
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 20px 40px 20px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.5;
  color: var(--ink-900);
  cursor: pointer;
  position: relative;
  display: flex;
  gap: 14px;
  align-items: baseline;
}

.page-faq .tut-acc .acc__trigger .mono {
  font-size: 13px;
  color: var(--rust);
  letter-spacing: 0.06em;
  flex: none;
}

.page-faq .tut-acc .acc__icon {
  position: absolute;
  right: 4px;
  top: 24px;
  width: 16px;
  height: 16px;
}

.page-faq .tut-acc .acc__trigger::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--moss);
  line-height: 1;
}

.page-faq .tut-acc .acc__trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--gold);
}

.page-faq .tut-acc .acc__panel {
  padding: 0 40px 22px 0;
}

.page-faq .tut-acc .acc__panel p {
  margin: 0;
  max-width: 42em;
  line-height: 1.8;
  color: var(--ink-700);
  font-size: 15.5px;
}

/* ---------- 帮助 ---------- */
.page-faq .tut-help {
  background:
    linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%);
}

.page-faq .tut-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--tut-gap);
  align-items: start;
}

.page-faq .tut-help__grid .prose {
  max-width: 34em;
}

.page-faq .tut-help__panel {
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--tut-radius);
  background: var(--ink-900);
  color: var(--paper);
}

.page-faq .tut-help__panel .subhead {
  color: var(--gold-pale);
  margin-top: 0;
}

.page-faq .tut-help__line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .tut-help__line .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ice);
  min-width: 64px;
}

.page-faq .tut-help__line a {
  color: var(--gold-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(235, 217, 180, 0.45);
  word-break: break-all;
}

.page-faq .tut-help__line a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .tut-help__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .tut-help__panel .copy-btn {
  appearance: none;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold-pale);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 18px;
  border-radius: var(--r-s);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.page-faq .tut-help__panel .copy-btn:hover {
  background: var(--gold);
  color: var(--ink-900);
}

.page-faq .tut-help__panel .copy-btn[data-copied="true"] {
  background: var(--ice);
  border-color: var(--ice);
  color: var(--ink-900);
}

.page-faq .tut-help__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gold-pale);
  opacity: 0.82;
}

.page-faq .tut-next {
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

.page-faq .tut-next__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--rock);
  margin: 0 0 18px;
}

.page-faq .tut-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .tut-next__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border-radius: var(--r-m);
  background: var(--paper-warm);
  color: var(--ink-900);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  border-left: 4px solid var(--gold-pale);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-faq .tut-next__link:hover {
  border-left-color: var(--gold);
  transform: translateX(3px);
}

.page-faq .tut-next__link .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

@media (min-width: 720px) {
  .page-faq .tut-route-sec__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(28px, 4vw, 64px);
  }

  .page-faq .tut-tag-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .tut-flow__list > li {
    grid-template-columns: 84px 1fr;
    gap: 0 20px;
    align-items: baseline;
  }

  .page-faq .tut-flow__idx {
    grid-row: span 2;
    font-size: 34px;
    padding-top: 4px;
  }

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

@media (min-width: 1024px) {
  .page-faq .tut-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(32px, 4vw, 72px);
  }

  .page-faq .tut-help__grid {
    grid-template-columns: 6fr 6fr;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .tut-tag-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .tut-flow__list > li {
    grid-template-columns: 104px 1fr;
  }
}

@media (max-width: 400px) {
  .page-faq .tut-node {
    padding: 20px 12px 18px;
  }

  .page-faq .tut-node__name {
    font-size: 15px;
  }

  .page-faq .tut-acc .acc__trigger {
    gap: 8px;
    font-size: 15.5px;
  }

  .page-faq .tut-help__line {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-node__bar,
  .page-faq .tut-track__steps .tabs__underline,
  .page-faq .tut-switch__tabs .tabs__underline,
  .page-faq .tut-next__link {
    transition: none;
  }
}
<<<END>>>