/* ==========================================================
   疑难速查 /troubleshooting/  ——  页面专属样式（作用域 .page-faq）
   ========================================================== */

.page-faq {
  --fq-card: var(--turf);
  --fq-bar: 3px;
  --fq-gap: clamp(14px, 3.2vw, 26px);
}

/* ---------- 通用排版 ---------- */
.page-faq .faq-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 8px 0 0;
}

.page-faq .faq-sub {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .section__head {
  margin-bottom: clamp(22px, 4vw, 40px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 32px);
  padding: 0;
  font-size: 13px;
}

.page-faq .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  color: var(--fog);
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumb__link {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

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

.page-faq .breadcrumb__current {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(16px, 4vw, 40px);
  padding-bottom: clamp(28px, 6vw, 72px);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 5vw, 52px);
}

.page-faq .faq-hero__grid::before {
  content: "";
  position: absolute;
  inset: -120px 0 auto 0;
  height: 340px;
  background: radial-gradient(120% 100% at 10% 0%, rgba(200, 241, 76, 0.10), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__body,
.page-faq .faq-hero__jump {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--lime);
  display: block;
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 3vw, 26px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .faq-hero__jump {
  align-self: end;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: var(--fq-bar) solid var(--blue);
  border-radius: 4px 14px 14px 4px;
  background: var(--fq-card);
}

.page-faq .faq-hero__jump-title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-hero__jump-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-hero__jump-list a {
  display: block;
  padding: 9px 0;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-faq .faq-hero__jump-list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-hero__jump-list a:hover {
  color: var(--lime);
  padding-left: 6px;
}

/* ---------- 先看这三条 ---------- */
.page-faq .faq-top3__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0;
  display: grid;
  gap: var(--fq-gap);
}

.page-faq .faq-top3__item {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--fq-card);
  border: 1px solid var(--line);
  border-radius: 16px 4px 16px 16px;
  overflow: hidden;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-faq .faq-top3__item::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-top3__item:hover {
  border-color: var(--line-strong);
  background: var(--board);
}

.page-faq .faq-top3__no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 40px;
  line-height: 1;
  color: var(--lime);
  opacity: 0.9;
}

.page-faq .faq-top3__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 23px);
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .faq-top3__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fog);
}

/* ---------- 分类问答 ---------- */
.page-faq .faq-qa {
  padding-top: clamp(30px, 6vw, 72px);
}

.page-faq .faq-qa__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-tabs__bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 18px;
  scrollbar-width: none;
}

.page-faq .faq-tabs__bar::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs__bar .tabs__btn {
  flex: 0 0 auto;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fog);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  white-space: nowrap;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .faq-tabs__bar .tabs__btn:hover {
  color: var(--mist);
  border-color: var(--line-strong);
}

.page-faq .faq-tabs__bar .tabs__btn[aria-selected="true"] {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(200, 241, 76, 0.08);
}

.page-faq .tabs__panel {
  animation: faq-fade 200ms var(--ease);
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 折叠面板 */
.page-faq .accordion {
  border-top: 1px solid var(--line);
}

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

.page-faq .accordion__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 4px 18px 14px;
  text-align: left;
  border: 0;
  border-left: var(--fq-bar) solid transparent;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 16.5px);
  font-weight: 500;
  line-height: 1.55;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .accordion__btn:hover {
  color: var(--lime);
  border-left-color: var(--line-strong);
}

.page-faq .accordion__btn[aria-expanded="true"] {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(20, 64, 42, 0.42);
}

.page-faq .faq-sign {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 2px;
  margin-top: -1px;
  background: var(--lime);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.page-faq .faq-sign::after {
  transform: rotate(90deg);
}

.page-faq .accordion__btn[aria-expanded="true"] .faq-sign::after {
  transform: rotate(0deg);
  opacity: 0.55;
}

.page-faq .accordion__panel {
  padding: 0 4px 20px 17px;
}

.page-faq .accordion__panel p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--fog);
}

/* 右侧目录 */
.page-faq .faq-toc {
  order: -1;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--fq-card);
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-toc__list {
  list-style: none;
  counter-reset: fqtoc;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: block;
  padding: 8px 0 8px 26px;
  position: relative;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-faq .faq-toc__link::before {
  counter-increment: fqtoc;
  content: "0" counter(fqtoc);
  position: absolute;
  left: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}

.page-faq .faq-toc__link:hover {
  color: var(--lime);
}

.page-faq .faq-toc__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .faq-toc__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 139, 255, 0.4);
}

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

/* ---------- 排查路径 ---------- */
.page-faq .faq-flow {
  padding-top: clamp(34px, 7vw, 84px);
}

.page-faq .faq-flow__steps {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(215px, 78%);
  gap: 14px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 16px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-flow__step {
  scroll-snap-align: start;
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: var(--fq-bar) solid var(--blue);
  border-radius: 4px 4px 14px 14px;
  background: var(--fq-card);
}

.page-faq .faq-flow__step:last-child {
  border-top-color: var(--lime);
}

.page-faq .faq-flow__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fog);
}

.page-faq .faq-flow__name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--mist);
}

.page-faq .faq-flow__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--fog);
}

.page-faq .faq-flow__fig {
  margin: clamp(22px, 4vw, 40px) 0 0;
}

/* ---------- 还没解决怎么办 ---------- */
.page-faq .faq-help {
  padding-top: clamp(34px, 7vw, 84px);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-faq .faq-help__lead {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.page-faq .faq-help__list li {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--fq-card);
}

.page-faq .faq-help__k {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-help__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .faq-help__v a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 139, 255, 0.4);
  word-break: break-all;
}

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

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-help__fig {
  margin: 0;
}

/* ---------- 焦点可见 ---------- */
.page-faq a:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 小屏不横向溢出 ---------- */
.page-faq .faq-flow__steps,
.page-faq .faq-tabs__bar {
  max-width: 100%;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-top3__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-flow__steps {
    grid-auto-columns: minmax(240px, 46%);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 8fr 4fr;
    align-items: end;
  }

  .page-faq .faq-top3__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-bottom: 60px;
  }

  .page-faq .faq-top3__item:nth-child(2) {
    transform: translateY(28px);
  }

  .page-faq .faq-top3__item:nth-child(3) {
    transform: translateY(56px);
  }

  .page-faq .faq-qa__grid {
    grid-template-columns: minmax(0, 1fr) 244px;
    align-items: start;
  }

  .page-faq .faq-toc {
    order: 0;
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-flow__steps {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-qa__grid {
    gap: 48px;
  }

  .page-faq .faq-help__list li {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .page-faq .faq-top3__item:nth-child(2),
  .page-faq .faq-top3__item:nth-child(3) {
    transform: none;
  }
}
</final>