.page-faq {
  --faq-gap: clamp(14px, 2vw, 22px);
  --faq-inline: #3b4a5f;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 3vw, 32px);
  padding-bottom: clamp(22px, 3.4vw, 38px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(62% 130% at 8% 0%, rgba(200, 255, 61, .10), transparent 66%),
    radial-gradient(48% 110% at 96% 4%, rgba(255, 106, 43, .09), transparent 68%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(27px, 5.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--c-ink);
}

.page-faq .faq-hero__lead .lede {
  margin: 0;
  max-width: 60ch;
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-facts {
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--c-raise), var(--c-panel) 72%);
  box-shadow: var(--shadow);
}

.page-faq .faq-facts__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-blue);
}

.page-faq .faq-facts__list {
  list-style: none;
  margin: 14px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--c-line);
}

.page-faq .faq-facts__k {
  font-size: 13.5px;
  color: var(--c-muted);
}

.page-faq .faq-facts__v {
  font-size: 15px;
  color: var(--c-lime);
  white-space: nowrap;
}

.page-faq .faq-facts .btn {
  width: 100%;
  justify-content: center;
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(280px, .58fr);
    align-items: start;
    gap: 40px;
  }
}

/* ---------- 索引 + 分组布局 ---------- */
.page-faq .faq-layout {
  margin-top: clamp(22px, 3.4vw, 36px);
  padding-bottom: clamp(10px, 2vw, 20px);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--c-blue);
}

.page-faq .faq-index__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 9px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-panel);
  color: var(--c-text);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .18s ease, color .18s ease, transform .18s ease;
}

.page-faq .faq-index__no {
  font-size: 12px;
  color: var(--c-muted);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--c-lime);
  color: var(--c-lime);
  transform: translateY(-2px);
}

.page-faq .faq-index__link:hover .faq-index__no,
.page-faq .faq-index__link:focus-visible .faq-index__no {
  color: var(--c-lime);
}

.page-faq .faq-sections {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 6px;
  }

  .page-faq .faq-index__link {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
    border-radius: var(--r-md);
    text-align: left;
  }
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-group:first-child {
  padding-top: 0;
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--c-line);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .faq-group__no {
  flex: none;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--c-lime-dim);
  color: var(--c-lime);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-faq .faq-group__title {
  margin: 0 0 6px;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--c-ink);
}

.page-faq .faq-group__sum {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-blue);
}

/* ---------- 三步 ---------- */
.page-faq .steps {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .step {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--c-raise), var(--c-panel));
  overflow: hidden;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-lime), rgba(200, 255, 61, 0));
}

.page-faq .step__no {
  display: block;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-lime);
}

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

.page-faq .step__text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-faq .step__out {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-blue);
}

@media (min-width: 780px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 图文 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 4px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 双端对比 ---------- */
.page-faq .devpair {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .devcard {
  padding: 18px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
}

.page-faq .devcard--desktop {
  border-top: 3px solid var(--c-lime);
}

.page-faq .devcard--mobile {
  border-top: 3px solid var(--c-orange);
}

.page-faq .devcard__label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-muted);
}

.page-faq .devcard__title {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-faq .devcard__list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-faq .devcard__list li {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-text);
}

.page-faq .devcard--desktop .devcard__list li::marker {
  color: var(--c-lime);
}

.page-faq .devcard--mobile .devcard__list li::marker {
  color: var(--c-orange);
}

@media (min-width: 780px) {
  .page-faq .devpair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 标签说明与组合 ---------- */
.page-faq .tagset {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .tagset__item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
}

.page-faq .tagset__item .chip {
  flex: none;
}

.page-faq .tagset__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-faq .combo {
  margin-top: 20px;
}

.page-faq .combo__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .combo__item {
  padding: 16px;
  border: 1px dashed var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--c-panel), rgba(18, 23, 31, .35));
}

.page-faq .combo__want {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-faq .combo__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
}

.page-faq .combo__plus {
  font-size: 13px;
  color: var(--c-muted);
}

.page-faq .combo__get {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--c-blue);
}

@media (min-width: 900px) {
  .page-faq .combo__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---------- 时间线 ---------- */
.page-faq .timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--c-line);
  display: grid;
  gap: 18px;
}

.page-faq .timeline__item {
  position: relative;
}

.page-faq .timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .14);
}

.page-faq .timeline__item--hot::before {
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .16);
}

.page-faq .timeline__time {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--c-lime);
}

.page-faq .timeline__item--hot .timeline__time {
  color: var(--c-orange);
}

.page-faq .timeline__title {
  margin: 5px 0 6px;
  font-size: 16.5px;
  color: var(--c-ink);
}

.page-faq .timeline__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 订阅卡片 ---------- */
.page-faq .subgrid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .subcard {
  padding: 18px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
}

.page-faq .subcard h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--c-ink);
}

.page-faq .subcard p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text);
}

@media (min-width: 780px) {
  .page-faq .subgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---------- 联系盒 ---------- */
.page-faq .contactbox {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(200, 255, 61, .07), var(--c-panel) 48%);
}

.page-faq .contactbox__title {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--c-ink);
}

.page-faq .contactbox__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-faq .contactbox__main .btn {
  margin-top: 4px;
}

.page-faq .contactbox__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .contactbox__meta li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--c-line);
}

.page-faq .contactbox__k {
  flex: none;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.page-faq .contactbox__v {
  font-size: 14px;
  color: var(--c-ink);
  text-align: right;
  word-break: break-word;
}

@media (min-width: 880px) {
  .page-faq .contactbox {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 问答组 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .qa {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}

.page-faq .qa:hover {
  transform: translateY(-4px);
}

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

.page-faq .qa__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink);
}

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

.page-faq .qa__q::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-lime);
  border-bottom: 2px solid var(--c-lime);
  transform: rotate(45deg);
  transition: transform .18s ease;
}

.page-faq .qa[open] .qa__q::after {
  transform: rotate(-135deg);
}

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

.page-faq .qa[open] .qa__a {
  animation: faqPanel .22s ease both;
}

.page-faq .qa__lead {
  margin: 0 0 9px;
  padding-left: 12px;
  border-left: 3px solid var(--c-lime);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-faq .qa__a p {
  margin: 0 0 9px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
}

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

.page-faq .inline-link {
  color: var(--c-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@keyframes faqPanel {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 收尾 ---------- */
.page-faq .faq-next {
  padding-top: clamp(34px, 5vw, 62px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .faq-next__inner {
  display: grid;
  gap: 18px;
  padding-top: 24px;
  border-top: 2px solid var(--c-lime);
}

.page-faq .faq-next h2 {
  margin: 0 0 8px;
  font-size: clamp(21px, 3vw, 28px);
  letter-spacing: -.02em;
  color: var(--c-ink);
}

.page-faq .faq-next__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

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

@media (min-width: 820px) {
  .page-faq .faq-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q::after,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .qa:hover,
  .page-faq .faq-index__link:hover {
    transform: none;
  }

  .page-faq .qa[open] .qa__a {
    animation: none;
  }
}