.page-faq {
  --faq-ink-soft: rgba(26, 26, 23, .78);
  --faq-wash: rgba(228, 105, 30, .1);
}

/* ---------- 首屏 ---------- */
.page-faq .tut-hero {
  padding: 26px 0 30px;
  background: var(--grad-orange);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .tut-hero__inner {
  position: relative;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 26px 22px 22px;
  overflow: hidden;
}

.page-faq .tut-hero__inner::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 104px;
  height: 3px;
  background: var(--c-orange);
}

.page-faq .tut-hero__scale {
  position: absolute;
  top: 26px;
  right: 12px;
  bottom: 26px;
  width: 8px;
  background-image: repeating-linear-gradient(180deg, var(--c-copper-soft) 0 1px, transparent 1px 13px);
  pointer-events: none;
}

.page-faq .tut-hero__title {
  margin: 12px 0 14px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(25px, 6vw, 42px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--c-green);
  max-width: 20em;
}

.page-faq .tut-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .tut-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 20px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  color: var(--c-gray);
}

.page-faq .tut-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-orange-dk);
  margin-right: 4px;
}

/* ---------- 顶部索引条 ---------- */
.page-faq .faq-index {
  position: sticky;
  top: var(--topline-h);
  z-index: 6;
  background: linear-gradient(180deg, #F6A96B 0%, #FBF6EE 100%);
  border-top: 1px solid var(--c-copper);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 13px 2px 11px;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-bottom-color: var(--c-copper);
  color: var(--c-orange-dk);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-copper);
}

/* ---------- 通用段落 ---------- */
.page-faq .lede {
  max-width: 40em;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .lede a {
  color: var(--c-orange-dk);
  text-decoration: underline;
  text-decoration-color: var(--c-copper-soft);
  text-underline-offset: 3px;
}

.page-faq .num {
  font-family: var(--font-mono);
}

/* ---------- 换设备 ---------- */
.page-faq .device-grid {
  align-items: start;
  gap: 26px;
}

.page-faq .device-copy p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .device-copy .list-check {
  margin-top: 18px;
}

.page-faq .device-copy .list-check__item {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-faq .three-step {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .three-step__item {
  padding: 18px 18px 16px;
  background: var(--c-cream);
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-orange);
  border-radius: var(--radius);
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .three-step__item:hover {
  transform: translateY(-2px);
  border-color: var(--c-copper);
}

.page-faq .three-step__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--c-copper);
}

.page-faq .three-step__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  color: var(--c-green);
}

.page-faq .three-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .three-step__text a {
  color: var(--c-orange-dk);
  text-decoration: underline;
  text-decoration-color: var(--c-copper-soft);
  text-underline-offset: 3px;
}

/* ---------- 价格对照 ---------- */
.page-faq .price-tags {
  margin: 0 0 14px;
  gap: 8px;
}

.page-faq .price-tags .tag {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-faq .price-table {
  min-width: 560px;
}

.page-faq .price-table__cap {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-gray);
}

.page-faq .price-table th[scope="row"] {
  font-weight: 900;
  color: var(--c-green);
}

.page-faq .price-table tbody tr:target {
  background: var(--faq-wash);
  box-shadow: inset 3px 0 0 var(--c-orange);
}

.page-faq .price-notes {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .price-notes__item {
  margin: 0;
  padding: 14px 16px;
  background: var(--c-cream);
  border-left: 3px solid var(--c-copper);
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .price-notes__item a {
  color: var(--c-orange-dk);
  text-decoration: underline;
  text-decoration-color: var(--c-copper-soft);
  text-underline-offset: 3px;
}

.page-faq .price-notes__item .plaque__label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  background: var(--c-green);
  color: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 12px;
  vertical-align: 2px;
}

/* ---------- 手机三步 ---------- */
.page-faq .path {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqpath;
}

.page-faq .path__item {
  position: relative;
  padding: 18px 16px 16px 58px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.page-faq .path__item::before {
  counter-increment: faqpath;
  content: "0" counter(faqpath);
  position: absolute;
  left: 16px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-orange-dk);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--c-copper);
}

.page-faq .path__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 900;
  color: var(--c-green);
}

.page-faq .path__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

/* ---------- 教程分类 ---------- */
.page-faq .lessons-grid {
  align-items: start;
  gap: 26px;
}

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

.page-faq .lesson-card {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .lesson-card__no {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--c-orange);
  line-height: 1;
}

.page-faq .lesson-card__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 900;
  color: var(--c-green);
}

.page-faq .lesson-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

/* ---------- 五步流程 ---------- */
.page-faq .flow {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .flow__item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .flow__no {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--c-orange-dk);
  padding-left: 12px;
  border-left: 2px solid var(--c-copper);
}

.page-faq .flow__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  color: var(--c-green);
}

.page-faq .flow__text {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

.page-faq .flow__text a {
  color: var(--c-orange-dk);
  text-decoration: underline;
  text-decoration-color: var(--c-copper-soft);
  text-underline-offset: 3px;
}

.page-faq .flow__trap {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-faq .flow__trap .plaque__label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  background: var(--c-green-soft);
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: 12px;
  vertical-align: 2px;
}

/* ---------- 问答 ---------- */
.page-faq .qa-grid {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color .16s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--c-copper);
}

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

.page-faq .qa__q {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-green);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--c-copper);
  outline-offset: -2px;
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  background: var(--c-orange);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  transform: translateY(1px);
}

.page-faq .qa__body {
  padding: 0 16px 16px 48px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .qa__body a {
  color: var(--c-orange-dk);
  text-decoration: underline;
  text-decoration-color: var(--c-copper-soft);
  text-underline-offset: 3px;
}

/* ---------- 结尾通道 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--c-copper);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.25;
  color: var(--c-cream);
}

.page-faq .faq-cta__lead {
  margin: 0 0 10px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 246, 238, .86);
}

.page-faq .faq-cta__meta {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-green-lt);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-cta__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0 0 4px;
  padding: 12px 14px;
  background: var(--c-cream-soft);
  border: 1px solid var(--c-copper-soft);
  color: var(--c-cream);
  font-size: 15px;
  word-break: break-all;
}

.page-faq .faq-cta__mail .copy-btn {
  flex: 0 0 auto;
  color: var(--c-cream);
  border-color: var(--c-copper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .tut-hero {
    padding: 36px 0 38px;
  }

  .page-faq .tut-hero__inner {
    padding: 32px 34px 28px;
  }

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

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

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

@media (min-width: 900px) {
  .page-faq .device-grid {
    grid-template-columns: 6fr 5fr;
    gap: 36px;
  }

  .page-faq .lessons-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
  }

  .page-faq .faq-cta__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 260px;
  }

  .page-faq .faq-cta__mail {
    width: auto;
    margin-bottom: 6px;
  }

  .page-faq .faq-index__list {
    gap: 34px;
  }
}

@media (max-width: 619px) {
  .page-faq .tut-hero__scale {
    display: none;
  }

  .page-faq .faq-index {
    top: 0;
  }

  .page-faq .flow__item {
    grid-template-columns: 46px 1fr;
    gap: 12px;
  }

  .page-faq .flow__no {
    font-size: 21px;
    padding-left: 8px;
  }

  .page-faq .qa__body {
    padding-left: 16px;
  }
}