/* ================= 使用教程页 ================= */
.page-faq {
  --faq-hair: rgba(29, 58, 95, 0.85);
  --faq-panel: rgba(16, 31, 58, 0.92);
  --faq-lift: translate3d(-3px, -3px, 0);
}

/* ---------- 首屏 ---------- */
.page-faq .tut-hero {
  position: relative;
  padding: 32px 0 24px;
  overflow: hidden;
}

.page-faq .tut-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 52% at 12% 16%, rgba(34, 230, 211, 0.16), transparent 72%),
    radial-gradient(46% 46% at 94% 4%, rgba(255, 93, 58, 0.16), transparent 70%);
  pointer-events: none;
}

.page-faq .tut-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .tut-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 18px;
}

.page-faq .tut-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--foam);
}

.page-faq .tut-hero__lede {
  max-width: 42em;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* 首屏右侧浮标面板 */
.page-faq .tut-hero__panel {
  position: relative;
  border: 2px solid var(--blueprint);
  border-left: 4px solid var(--coral);
  background: linear-gradient(165deg, var(--faq-panel), rgba(10, 24, 48, 0.96));
  padding: 18px 16px 16px;
  box-shadow: 8px 8px 0 rgba(29, 58, 95, 0.5);
}

.page-faq .tut-hero__panel-label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--steel);
}

.page-faq .tut-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .tut-hero__facts li {
  border-top: 1px solid var(--faq-hair);
  padding-top: 9px;
  min-width: 0;
}

.page-faq .tut-hero__facts b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 6vw, 26px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  word-break: break-word;
}

.page-faq .tut-hero__facts li:first-child b {
  color: var(--coral);
}

.page-faq .tut-hero__facts span {
  display: block;
  margin-top: 7px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--steel);
}

.page-faq .tut-hero__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .tut-hero__anchor {
  display: inline-block;
  border: 1px solid var(--blueprint);
  padding: 6px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.page-faq .tut-hero__anchor:hover,
.page-faq .tut-hero__anchor:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep);
}

/* ---------- 三件事入口 ---------- */
.page-faq .start-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .start-card {
  position: relative;
  border: 2px solid var(--blueprint);
  border-top: 3px solid var(--coral);
  background: var(--buoy);
  padding: 20px 18px 18px;
  box-shadow: 6px 6px 0 rgba(5, 11, 26, 0.9);
  transition: transform .22s ease, border-color .22s ease;
}

.page-faq .start-card:hover {
  transform: var(--faq-lift);
  border-color: var(--coral);
}

.page-faq .start-card:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-faq .start-card:nth-child(3) {
  border-top-color: var(--lime);
}

.page-faq .start-card:nth-child(2):hover {
  border-color: var(--cyan);
}

.page-faq .start-card:nth-child(3):hover {
  border-color: var(--lime);
}

.page-faq .start-card__num {
  display: block;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--coral);
}

.page-faq .start-card:nth-child(2) .start-card__num {
  color: var(--cyan);
}

.page-faq .start-card:nth-child(3) .start-card__num {
  color: var(--lime);
}

.page-faq .start-card__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--foam);
}

.page-faq .start-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .start-card__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 211, 0.5);
  padding-bottom: 2px;
}

.page-faq .start-card__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 六步轨道 ---------- */
.page-faq .steps-sec {
  position: relative;
}

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

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .steps__item {
  border-bottom: 1px solid var(--faq-hair);
  transition: background-color .2s ease;
}

.page-faq .steps__item[data-open] {
  background: rgba(16, 31, 58, 0.72);
}

.page-faq .steps__head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 10px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .steps__head:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-faq .steps__num {
  flex: none;
  min-width: 2.1em;
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .steps__item[data-open] .steps__num {
  color: var(--coral);
}

.page-faq .steps__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--foam);
}

.page-faq .steps__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--steel);
}

.page-faq .steps__item[data-open] .steps__sign {
  color: var(--cyan);
}

.page-faq .steps__body {
  padding: 0 10px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .steps__body p {
  margin: 0;
  max-width: 48em;
}

.page-faq .fig--steps {
  margin-top: 26px;
}

/* ---------- 问答列表 ---------- */
.page-faq .qa-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq__item {
  border: 2px solid var(--blueprint);
  border-left: 4px solid var(--blueprint);
  background: var(--buoy);
  transition: border-color .2s ease;
}

.page-faq .faq__item[data-open] {
  border-left-color: var(--cyan);
}

.page-faq .faq__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  padding: 15px 16px;
  background: none;
  border: 0;
  color: var(--foam);
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq__q::before {
  content: "Q";
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--coral);
}

.page-faq .faq__q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-faq .faq__a {
  padding: 0 16px;
}

.page-faq .faq__a-inner {
  padding: 0 0 16px 22px;
  border-top: 1px solid rgba(29, 58, 95, 0.6);
  padding-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq__a-inner p {
  margin: 0;
}

/* ---------- 移动端区块双列 ---------- */
.page-faq .talk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .fig--talk {
  margin: 0;
}

/* ---------- 客户中心面板 ---------- */
.page-faq .reach-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  border: 2px solid var(--coral);
  background:
    linear-gradient(140deg, rgba(255, 93, 58, 0.14), rgba(16, 31, 58, 0.94) 52%, rgba(10, 24, 48, 0.96));
  padding: 24px 18px;
  box-shadow: 10px 10px 0 rgba(255, 93, 58, 0.16);
}

.page-faq .reach-panel__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(21px, 5.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--foam);
}

.page-faq .reach-panel__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  max-width: 44em;
}

.page-faq .reach-panel__copy {
  width: 100%;
  max-width: 420px;
}

.page-faq .reach-panel__copy .copy-btn__value {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-faq .reach-panel__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid rgba(255, 93, 58, 0.4);
  padding-top: 18px;
}

.page-faq .reach-facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .reach-facts__row {
  display: grid;
  grid-template-columns: 5.2em minmax(0, 1fr);
  gap: 10px;
  border-bottom: 1px dashed rgba(29, 58, 95, 0.8);
  padding-bottom: 9px;
}

.page-faq .reach-facts dt {
  font-size: 12px;
  color: var(--steel);
  line-height: 1.7;
}

.page-faq .reach-facts dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--foam);
  word-break: break-word;
}

/* ---------- 常见误区 ---------- */
.page-faq .pit-list {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .pit-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  border: 2px solid var(--blueprint);
  border-left: 4px solid var(--lime);
  background: var(--hull);
  padding: 16px 16px 16px 14px;
}

.page-faq .pit-item__mark {
  font-size: 18px;
  line-height: 1.5;
  color: var(--alert);
}

.page-faq .pit-item__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--foam);
}

.page-faq .pit-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 快速跳转 ---------- */
.page-faq .jump__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .jump-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .jump-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 2px solid var(--blueprint);
  background: var(--buoy);
  padding: 13px 15px;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--foam);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, color .2s ease;
}

.page-faq .jump-link__mark {
  font-size: 14px;
  color: var(--cyan);
}

.page-faq .jump-link:hover,
.page-faq .jump-link:focus-visible {
  transform: translate3d(0, -3px, 0);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .tut-hero {
    padding: 44px 0 32px;
  }

  .page-faq .start-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-faq .start-card:nth-child(2) {
    margin-top: 28px;
  }

  .page-faq .start-card:nth-child(3) {
    margin-top: 56px;
  }

  .page-faq .jump-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .reach-panel {
    padding: 28px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .tut-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 42px;
    align-items: end;
  }

  .page-faq .talk-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .reach-panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .reach-panel__side {
    border-top: 0;
    border-left: 1px solid rgba(255, 93, 58, 0.4);
    padding-top: 0;
    padding-left: 22px;
  }

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

@media (min-width: 1100px) {
  .page-faq .tut-side {
    display: block;
    position: absolute;
    top: 96px;
    right: 0;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.34em;
    color: var(--blueprint);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .start-card,
  .page-faq .jump-link,
  .page-faq .faq__item,
  .page-faq .steps__item,
  .page-faq .tut-hero__anchor {
    transition: none;
  }

  .page-faq .start-card:hover,
  .page-faq .jump-link:hover,
  .page-faq .jump-link:focus-visible {
    transform: none;
  }
}
<<<END>>>