.page-faq {
  --faq-hair: rgba(90, 107, 120, 0.22);
  --faq-hair-strong: rgba(90, 107, 120, 0.45);
  --faq-cat: var(--celadon-500);
  --faq-indent: 34px;
}

.page-faq .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 5vw, 64px);
  background:
    linear-gradient(140deg, rgba(47, 127, 118, 0.09) 0%, rgba(217, 161, 59, 0.07) 52%, rgba(11, 27, 43, 0) 100%);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.85rem, 4.8vw, 3.15rem);
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--ink-900);
  max-width: 17em;
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 76px;
  height: 5px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--celadon-500), var(--gold-400));
}

.page-faq .faq-hero__side .lede {
  margin: 0;
  color: var(--ink-700);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: clamp(36px, 5vw, 76px);
  }
}

/* ---------- 三步排查法 ---------- */

.page-faq .faq-steps__head {
  max-width: 60ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-steps__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.25;
  color: var(--ink-900);
}

.page-faq .faq-steps__intro {
  margin: 14px 0 0;
  color: var(--ink-700);
  line-height: 1.8;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--edge);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-hair-strong);
}

.page-faq .faq-step:nth-child(1) { --faq-cat: var(--celadon-500); }
.page-faq .faq-step:nth-child(2) { --faq-cat: var(--gold-400); }
.page-faq .faq-step:nth-child(3) { --faq-cat: var(--coral-500); }

.page-faq .faq-step__num {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--faq-cat);
}

.page-faq .faq-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--ink-900);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-faq .faq-steps__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--paper-50);
}

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

.page-faq .faq-steps__figure .media__caption {
  padding: 12px 16px;
  margin: 0;
  font-size: 13.5px;
  color: var(--slate-500);
  border-top: 1px solid var(--faq-hair);
}

@media (min-width: 860px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
    gap: 0 clamp(20px, 3vw, 40px);
  }

  .page-faq .faq-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 22px 0 0;
    border-bottom: 0;
    border-top: 3px solid var(--faq-cat);
  }

  .page-faq .faq-step__num {
    font-size: 22px;
  }
}

/* ---------- 六类问答 ---------- */

.page-faq .faq-body__head {
  max-width: 64ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .faq-body__head h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.25;
  color: var(--ink-900);
}

.page-faq .faq-body__head .lede {
  margin: 14px 0 0;
  color: var(--ink-700);
}

.page-faq .faq-body__layout {
  display: grid;
  gap: clamp(22px, 3.5vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate-500);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--faq-hair-strong);
  border-radius: 3px;
  color: var(--ink-700);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  background: var(--paper-50);
  transition: border-color 160ms ease, color 160ms ease;
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: var(--slate-500);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--ink-900);
  color: var(--ink-900);
  background: var(--celadon-200);
}

@media (min-width: 960px) {
  .page-faq .faq-body__layout {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 60px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }

  .page-faq .faq-index__list {
    display: block;
    border-top: var(--edge);
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--faq-hair);
    border-radius: 0;
    background: transparent;
    padding: 11px 2px;
    font-size: 14.5px;
  }

  .page-faq .faq-index__link .mono {
    flex: 0 0 24px;
  }
}

.page-faq .faq-groups {
  display: grid;
  gap: clamp(34px, 5vw, 56px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

.page-faq .faq-group--access { --faq-cat: var(--celadon-500); }
.page-faq .faq-group--signup { --faq-cat: var(--gold-400); }
.page-faq .faq-group--version { --faq-cat: var(--ink-700); }
.page-faq .faq-group--download { --faq-cat: var(--coral-500); }
.page-faq .faq-group--device { --faq-cat: var(--slate-500); }
.page-faq .faq-group--account { --faq-cat: var(--ink-900); }

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--faq-cat);
}

.page-faq .faq-group__num {
  font-size: 13px;
  color: var(--faq-cat);
  flex: 0 0 auto;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  color: var(--ink-900);
  flex: 1 1 auto;
}

.page-faq .faq-group__count {
  font-size: 11.5px;
  color: var(--slate-500);
  flex: 0 0 auto;
}

/* 折叠问答 */

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink-900);
  word-break: break-word;
}

.page-faq .faq-item__q::-webkit-details-marker { display: none; }
.page-faq .faq-item__q::marker { content: ""; }

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--faq-cat);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--faq-cat);
  padding-top: 5px;
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
}

.page-faq .faq-item__caret {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 2px solid var(--ink-700);
  border-bottom: 2px solid var(--ink-700);
  transform: rotate(45deg);
  transition: transform 200ms ease;
}

.page-faq .faq-item[open] .faq-item__caret {
  transform: rotate(-135deg);
  margin-top: 12px;
}

.page-faq .faq-item__a {
  padding: 0 0 20px var(--faq-indent);
}

.page-faq .faq-answer {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-faq .faq-answer li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
}

.page-faq .faq-answer .mono {
  font-size: 11.5px;
  color: var(--faq-cat);
}

/* 最近记录快捷入口 */

.page-faq .faq-quick {
  padding: clamp(18px, 3vw, 28px);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--paper-50);
}

.page-faq .faq-quick__head h3 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--ink-900);
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-faq .faq-quick__item {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  text-decoration: none;
  color: inherit;
}

.page-faq .faq-quick__item + .faq-quick__item,
.page-faq .faq-quick__list > li + li .faq-quick__item {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-quick__id {
  font-size: 12px;
  color: var(--coral-500);
  letter-spacing: 0.03em;
}

.page-faq .faq-quick__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-faq .faq-quick__item:hover .faq-quick__desc,
.page-faq .faq-quick__item:focus-visible .faq-quick__desc {
  color: var(--ink-900);
}

.page-faq .faq-quick__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 2px solid var(--ink-900);
  font-size: 14.5px;
}

.page-faq .faq-quick__foot a {
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-400);
}

.page-faq .faq-quick__foot a:hover,
.page-faq .faq-quick__foot a:focus-visible {
  color: var(--celadon-500);
}

/* ---------- 设备与浏览器建议 ---------- */

.page-faq .faq-devices {
  background: var(--paper-50);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-devices__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-devices__text h2 {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2.05rem);
  line-height: 1.28;
  color: var(--ink-900);
  max-width: 18em;
}

.page-faq .faq-devices__text .lede {
  margin: 14px 0 0;
  color: var(--ink-700);
}

.page-faq .faq-devices__list {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-device {
  padding: 16px 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-device:first-child {
  border-top: 2px solid var(--ink-900);
}

.page-faq .faq-device__term {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink-900);
}

.page-faq .faq-device__term svg {
  flex: 0 0 auto;
  color: var(--celadon-500);
}

.page-faq .faq-device__desc {
  margin: 8px 0 0 30px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-faq .faq-devices__figure {
  margin: 0;
  border: var(--edge);
  background: var(--paper-100);
}

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

.page-faq .faq-devices__figure .media__caption {
  margin: 0;
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--slate-500);
  border-top: 1px solid var(--faq-hair);
}

@media (min-width: 900px) {
  .page-faq .faq-devices__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

/* ---------- 找人工支持 ---------- */

.page-faq .faq-help__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 56px);
  background: linear-gradient(125deg, var(--ink-700) 0%, var(--ink-900) 72%);
  border: var(--edge);
  box-shadow: var(--shadow-hard-lg);
  color: var(--paper-50);
}

.page-faq .faq-help__inner::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 127, 118, 0.55) 0%, rgba(47, 127, 118, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-help .eyebrow {
  color: var(--gold-400);
}

.page-faq .faq-help h2 {
  position: relative;
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  line-height: 1.25;
  color: var(--paper-50);
  max-width: 16em;
}

.page-faq .faq-help__text {
  position: relative;
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(251, 249, 244, 0.84);
}

.page-faq .faq-help__actions {
  position: relative;
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-help__actions .btn--ghost {
  color: var(--paper-50);
  border-color: rgba(251, 249, 244, 0.6);
}

.page-faq .faq-help__actions .btn--ghost:hover,
.page-faq .faq-help__actions .btn--ghost:focus-visible {
  border-color: var(--paper-50);
  background: rgba(251, 249, 244, 0.1);
}

/* ---------- 窄屏保护 ---------- */

@media (max-width: 560px) {
  .page-faq {
    --faq-indent: 0px;
  }

  .page-faq .faq-step {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .page-faq .faq-item__no {
    padding-top: 4px;
  }

  .page-faq .faq-device__desc {
    margin-left: 0;
  }

  .page-faq .faq-help__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__caret,
  .page-faq .faq-index__link {
    transition: none;
  }
}