.page-faq {
  --faq-gap: clamp(22px, 3vw, 42px);
  --faq-step-gap: clamp(30px, 4.4vw, 60px);
  padding: 0 0 clamp(64px, 9vw, 116px);
}

.page-faq .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 页头 ---------- */
.page-faq .tut-hero {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  padding: clamp(18px, 3vw, 34px) 0 clamp(30px, 4.4vw, 54px);
}

.page-faq .tut-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.2vw, 58px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: #fff;
  max-width: 20ch;
}

.page-faq .tut-hero__lede {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .tut-hero__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .tut-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 57, 77, .8), rgba(16, 43, 58, .5));
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--text);
}

.page-faq .tut-hero__chip-num {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .tut-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--console);
  box-shadow: var(--shadow);
}

.page-faq .tut-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 520;
  object-fit: cover;
}

/* ---------- 左右分栏 ---------- */
.page-faq .tut-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-faq .tut-nav {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 57, 77, .72), rgba(11, 26, 38, .5));
  padding: 16px 14px;
}

.page-faq .tut-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-faq .tut-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-left: 1px solid transparent;
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .tut-nav__link:hover,
.page-faq .tut-nav__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 12px;
}

.page-faq .tut-nav__num {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--cyan);
  flex: none;
}

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

/* ---------- 步骤块 ---------- */
.page-faq .tut-step {
  border-top: 1px solid var(--line);
  padding-top: clamp(22px, 3vw, 34px);
  margin-top: var(--faq-step-gap);
  scroll-margin-top: 104px;
}

.page-faq .tut-body > .tut-step:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.page-faq .tut-step__head {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  align-items: baseline;
}

.page-faq .tut-step__num {
  font-family: var(--font-data);
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 500;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-faq .tut-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 600;
  line-height: 1.22;
  color: #fff;
}

.page-faq .tut-step__intro {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 步骤要点 ---------- */
.page-faq .tut-flow {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .tut-flow__item {
  display: grid;
  grid-template-columns: minmax(0, max-content) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  background: rgba(16, 43, 58, .58);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .tut-flow__item:hover {
  border-color: var(--line-cyan);
}

.page-faq .tut-flow__key {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid rgba(255, 107, 69, .38);
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--coral);
  white-space: nowrap;
}

.page-faq .tut-flow__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .tut-flow__item p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .tut-flow__item p a:hover {
  color: #fff;
}

/* ---------- 图位 ---------- */
.page-faq .tut-media {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  border: 1px solid var(--line);
  background: var(--console);
}

.page-faq .tut-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 560;
  object-fit: cover;
}

.page-faq .tut-media .media__caption {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 标签切换 ---------- */
.page-faq .tut-tabs {
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-faq .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--line);
}

.page-faq .tabs__tab {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  padding: 10px 18px;
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--mist);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .tabs__tab:hover {
  color: var(--cyan);
}

.page-faq .tabs__tab[aria-selected="true"] {
  color: var(--cyan);
  border-color: var(--line);
  background: rgba(18, 226, 207, .07);
}

.page-faq .tabs__panel {
  padding: 18px 2px 0;
}

.page-faq .tabs__panel p {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .tut-faq {
  margin-top: 12px;
  border: 1px solid var(--line);
  background: rgba(16, 43, 58, .55);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .tut-faq:hover {
  border-color: var(--line-cyan);
}

.page-faq .tut-faq summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 46px 15px 18px;
  font-family: var(--font-label);
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .tut-faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .tut-faq[open] summary {
  color: var(--cyan);
  border-bottom: 1px solid var(--line-soft);
}

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

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

.page-faq .tut-faq__body {
  padding: 14px 18px 18px;
}

.page-faq .tut-faq__body ol {
  margin: 0;
  padding-left: 20px;
}

.page-faq .tut-faq__body li {
  margin-bottom: 8px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .tut-faq__body li:last-child {
  margin-bottom: 0;
}

/* ---------- 收尾 ---------- */
.page-faq .tut-cta {
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line-cyan);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(18, 226, 207, .12), transparent 62%),
    linear-gradient(160deg, rgba(22, 57, 77, .9), rgba(11, 26, 38, .86));
}

.page-faq .tut-cta__line {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .tut-cta__line a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-faq .tut-cta__line a:hover {
  color: #fff;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .tut-layout {
    grid-template-columns: minmax(200px, 246px) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .tut-nav {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 560px) {
  .page-faq .tut-flow__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-faq .tut-step__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

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

  .page-faq .tut-hero__title {
    max-width: none;
  }

  .page-faq .tabs__tab {
    padding: 9px 13px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tut-nav__link,
  .page-faq .tut-flow__item,
  .page-faq .tut-faq,
  .page-faq .tabs__tab {
    transition: none;
  }
}
<<<END>>>