.page-faq {
  --faq-dot: 40px;
  display: block;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 56px;
  background:
    radial-gradient(closest-side at 88% 8%, rgba(255, 138, 61, .28), rgba(255, 138, 61, 0) 72%),
    linear-gradient(175deg, #F8FAFF 0%, #EDF2FA 62%, #E7EDF8 100%);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44%;
  height: 6px;
  background: var(--grad-warm);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: 36px;
  width: 240px;
  height: 240px;
  border: 2px dashed rgba(14, 27, 51, .14);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__kicker {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.15rem, 8.6vw, 4.9rem);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--ink);
  max-width: 14ch;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 1.02rem;
  color: #3C4A63;
}

.page-faq .faq-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__stats {
  margin: 36px 0 0;
  padding-top: 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  border-top: 2px solid rgba(14, 27, 51, .1);
}

.page-faq .faq-hero__stats > div {
  margin: 0;
  padding-left: 14px;
  border-left: 4px solid var(--orange);
}

.page-faq .faq-hero__stats dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--text);
}

.page-faq .faq-hero__stats dd {
  margin: 2px 0 0;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ink);
}

/* ---------- 章节通用 ---------- */
.page-faq .section__head {
  margin-bottom: 28px;
}

.page-faq .section__rule {
  width: 88px;
  height: 6px;
  margin: 0 0 14px;
  border-radius: 3px;
  background: var(--grad-warm);
}

.page-faq .section__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-faq .section__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  line-height: 1.22;
  color: var(--ink);
}

.page-faq .section__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--text);
}

.page-faq .section--ink .section__rule {
  background: var(--mint);
}

.page-faq .section--ink .section__no {
  color: var(--mint);
}

.page-faq .section--ink .section__title {
  color: var(--white);
}

.page-faq .section--ink .section__lede {
  color: #BFCCE2;
}

/* ---------- 01 学习路径 ---------- */
.page-faq .faq-path__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-path__node {
  position: relative;
  min-height: 92px;
  padding: 18px 18px 18px 68px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: box-shadow .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-path__node:hover,
.page-faq .faq-path__node:focus-within {
  transform: translate(5px, 5px);
  box-shadow: 1px 1px 0 var(--ink);
}

.page-faq .faq-path__dot {
  position: absolute;
  left: 16px;
  top: 18px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--grad-warm);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--ink);
}

.page-faq .faq-path__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-path__desc {
  margin: 6px 0 0;
  font-size: .94rem;
}

.page-faq .faq-path__time {
  margin: 10px 0 0;
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(14, 27, 51, .14);
  background: rgba(111, 227, 196, .42);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
}

.page-faq .faq-path__figure {
  margin: 26px 0 0;
}

.page-faq .media__frame {
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-hard);
}

.page-faq .media__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media__caption {
  margin-top: 10px;
  font-size: .84rem;
  color: var(--text);
}

/* ---------- 02 新手三步走 ---------- */
.page-faq .faq-steps__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 22px 28px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 6px;
  border-radius: 0 3px 3px 0;
  background: var(--grad-warm);
}

.page-faq .faq-step__no {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
}

.page-faq .faq-step .card__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-step__action {
  margin: 12px 0 10px;
  padding: 9px 12px;
  border-radius: 0 8px 8px 0;
  border-left: 3px solid var(--orange-mid);
  background: linear-gradient(90deg, rgba(255, 138, 61, .16), rgba(255, 90, 43, 0));
  font-size: .97rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step .card__text {
  margin: 0;
  font-size: .95rem;
  color: var(--text);
}

/* ---------- 03 面板基础操作 ---------- */
.page-faq .faq-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-faq .faq-check > li {
  position: relative;
  padding: 14px 16px 14px 50px;
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: 12px;
  font-size: .96rem;
}

.page-faq .faq-check > li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 19px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: rgba(111, 227, 196, .45);
}

.page-faq .faq-check > li strong {
  color: var(--ink);
}

.page-faq .faq-panel__aside {
  padding: 24px 20px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: #C6D2E6;
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-panel__aside h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-panel__aside p {
  margin: 0 0 12px;
  font-size: .94rem;
}

.page-faq .faq-panel__aside .btn {
  margin-top: 6px;
}

/* ---------- 04 换设备 ---------- */
.page-faq .faq-device__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-device__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 2px solid rgba(255, 255, 255, .18);
  border-radius: 12px;
  background: rgba(255, 255, 255, .06);
}

.page-faq .faq-device__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--mint);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 700;
}

.page-faq .faq-device__item h3 {
  margin: 3px 0 4px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

.page-faq .faq-device__item p {
  margin: 0;
  font-size: .93rem;
  color: #BFCCE2;
}

/* ---------- 05 问题反馈 ---------- */
.page-faq .faq-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-flow > li {
  padding: 16px 18px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 12px;
}

.page-faq .faq-flow__no {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-bottom: 8px;
  border-radius: 8px;
  background: var(--grad-warm);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
}

.page-faq .faq-flow h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-flow p {
  margin: 6px 0 0;
  font-size: .93rem;
}

.page-faq .faq-prep {
  margin-top: 26px;
  padding: 22px 20px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-prep h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-prep ul {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-prep li {
  font-size: .95rem;
}

.page-faq .faq-prep__more {
  margin: 16px 0 0;
  font-size: .92rem;
  color: var(--text);
}

.page-faq .faq-prep__more a {
  color: var(--coral);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 06 高频问答 ---------- */
.page-faq .faq-qa__list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-qa__item {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-qa__item[open] {
  border-color: var(--orange);
  box-shadow: 5px 5px 0 var(--orange-mid);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

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

.page-faq .faq-qa__q:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: -3px;
}

.page-faq .faq-qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-left: auto;
  border: 2px solid var(--ink);
  border-radius: 6px;
  transition: border-color .18s var(--ease);
}

.page-faq .faq-qa__mark::before,
.page-faq .faq-qa__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
}

.page-faq .faq-qa__mark::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-qa__mark::after {
  width: 2px;
  height: 10px;
}

.page-faq .faq-qa__item[open] .faq-qa__mark {
  border-color: var(--orange);
}

.page-faq .faq-qa__item[open] .faq-qa__mark::after {
  display: none;
}

.page-faq .faq-qa__a {
  padding: 0 18px 18px;
  font-size: .95rem;
  color: var(--text);
}

.page-faq .faq-qa__a p {
  margin: 0;
}

/* ---------- 收束 ---------- */
.page-faq .faq-next__box {
  padding: 28px 22px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--grad-warm);
  color: var(--white);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-next__box h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 3.8vw, 1.9rem);
  font-weight: 900;
  color: var(--white);
}

.page-faq .faq-next__box p {
  margin: 10px 0 0;
  max-width: 58ch;
  color: rgba(255, 255, 255, .95);
}

.page-faq .faq-next__links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 56px 0 68px;
  }

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

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

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

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

  .page-faq .faq-next__box {
    padding: 34px 32px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-panel__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-feedback__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

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

@media (min-width: 1120px) {
  .page-faq .faq-path__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-path__node {
    padding: 20px 18px 20px 66px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path__node,
  .page-faq .faq-qa__item,
  .page-faq .faq-qa__mark {
    transition: none;
  }

  .page-faq .faq-path__node:hover,
  .page-faq .faq-path__node:focus-within {
    transform: none;
    box-shadow: var(--shadow-hard);
  }
}