.page-faq {
  --faq-line: 2px solid rgba(22, 227, 214, 0.24);
  background: var(--ink-900);
  color: var(--lime-100);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding: 18px 0 0;
}

.page-faq .faq-crumb .breadcrumb {
  font-size: 14px;
}

.page-faq .faq-crumb .breadcrumb a {
  color: var(--cyan-200);
  text-decoration: none;
}

.page-faq .faq-crumb .breadcrumb a:hover {
  color: var(--orange-300);
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 56px) 0 clamp(34px, 5.4vw, 72px);
  overflow: hidden;
  border-bottom: var(--bw) solid var(--ink-950);
  background:
    radial-gradient(circle at 86% 8%, rgba(255, 106, 31, 0.3), transparent 48%),
    linear-gradient(160deg, rgba(22, 227, 214, 0.12), transparent 58%),
    var(--ink-900);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(22, 227, 214, 0.14) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -150px;
  width: min(440px, 58vw);
  height: 320px;
  background: var(--orange-500);
  opacity: 0.16;
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 6.8vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 15ch;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 96px;
  height: 8px;
  margin-top: 18px;
  background: var(--cyan-400);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 38ch;
  font-size: 17px;
  line-height: 1.8;
}

.page-faq .faq-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__badge {
  align-self: start;
  justify-self: start;
  display: grid;
  grid-template-columns: auto auto;
  align-items: end;
  gap: 0 10px;
  padding: 20px 22px 18px;
  border: var(--bw) solid var(--ink-950);
  background: var(--amber-400);
  color: var(--ink-950);
  box-shadow: var(--hard);
  transform: rotate(-2.4deg);
}

.page-faq .faq-hero__badge-num {
  font-family: var(--font-num);
  font-size: clamp(46px, 8vw, 68px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
}

.page-faq .faq-hero__badge-unit {
  font-size: 17px;
  font-weight: 800;
  padding-bottom: 4px;
}

.page-faq .faq-hero__badge-cap {
  grid-column: 1 / -1;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 分类速跳 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--ink-950);
  border-bottom: var(--bw) solid var(--orange-500);
}

.page-faq .faq-jump__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-jump__label {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--muted-400);
  text-transform: uppercase;
}

.page-faq .faq-jump__list {
  display: flex;
  flex: 1 0 auto;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  border: 2px solid var(--ink-700);
  color: var(--cyan-200);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--cyan-400);
  border-color: var(--ink-950);
  color: var(--ink-950);
  transform: translateY(-2px);
}

/* ---------- 先做这三步 ---------- */
.page-faq .faq-start {
  padding: clamp(40px, 6vw, 88px) 0;
  background: var(--cream-100);
  color: var(--ink-950);
  border-bottom: var(--bw) solid var(--ink-950);
}

.page-faq .faq-start__grid {
  display: grid;
  gap: clamp(26px, 4.4vw, 52px);
}

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

.page-faq .faq-start .eyebrow::before {
  background: var(--orange-500);
}

.page-faq .faq-start__title {
  margin: 10px 0 0;
  font-size: clamp(28px, 4.6vw, 42px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

.page-faq .faq-start__lede {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted-500);
}

.page-faq .faq-flow {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 18px 20px 18px 80px;
  border: var(--bw) solid var(--ink-950);
  background: #fff;
  box-shadow: var(--hard-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-flow__item:hover {
  transform: translateY(-2px);
  box-shadow: 2px 2px 0 var(--ink-950);
}

.page-faq .faq-flow__no {
  position: absolute;
  left: 16px;
  top: 16px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--orange-500);
  border: var(--bw) solid var(--ink-950);
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-950);
}

.page-faq .faq-flow__title {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
}

.page-faq .faq-flow__item p {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted-500);
  max-width: 40ch;
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: var(--bw) solid var(--ink-950);
  background: var(--ink-700);
  box-shadow: var(--hard);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-faq .faq-figure .media__caption {
  display: block;
  padding: 12px 14px;
  background: var(--ink-950);
  color: var(--cyan-200);
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 问题层级 ---------- */
.page-faq .faq-levels {
  position: relative;
}

.page-faq .faq-level {
  position: relative;
  padding: clamp(34px, 5.4vw, 68px) 0;
  border-bottom: 2px solid rgba(22, 227, 214, 0.16);
}

.page-faq .faq-level:last-child {
  border-bottom: none;
}

.page-faq .faq-level__grid {
  display: grid;
  gap: 22px;
}

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

.page-faq .faq-level__no {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: var(--orange-500);
  border: var(--bw) solid var(--ink-950);
  box-shadow: var(--hard-sm);
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-950);
}

.page-faq .faq-level__head .h-section {
  margin: 14px 0 0;
  color: var(--lime-100);
}

.page-faq .faq-level__intro {
  margin: 12px 0 0;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-400);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-level__body {
  display: grid;
  gap: 14px;
}

.page-faq .faq-q {
  border: var(--bw) solid var(--ink-950);
  background: var(--ink-700);
  box-shadow: var(--hard-sm);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 48px;
  padding: 16px 18px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.6;
  color: var(--lime-100);
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.page-faq .faq-q summary::before {
  content: "＋";
  flex: 0 0 auto;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--cyan-400);
}

.page-faq .faq-q summary:hover {
  background: var(--ink-900);
}

.page-faq .faq-q[open] summary {
  background: var(--orange-500);
  color: var(--ink-950);
  border-bottom: var(--bw) solid var(--ink-950);
}

.page-faq .faq-q[open] summary::before {
  content: "－";
  color: var(--ink-950);
}

.page-faq .faq-q__a {
  padding: 16px 18px 20px;
  background: var(--cream-100);
  color: var(--ink-950);
}

.page-faq .faq-q__a p {
  margin: 0 0 10px;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-950);
}

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

.page-faq .faq-steps {
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 7px 0 7px 40px;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink-950);
}

.page-faq .faq-steps li + li {
  border-top: 1px dashed rgba(10, 16, 48, 0.16);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 7px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--cyan-400);
  border: 2px solid var(--ink-950);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-950);
}

/* ---------- 设备章节里的图 ---------- */
.page-faq .faq-device-figure {
  margin-top: 6px;
}

/* ---------- 找客服 ---------- */
.page-faq .faq-escalate {
  padding: clamp(40px, 6vw, 88px) 0 clamp(48px, 7vw, 96px);
  background:
    linear-gradient(200deg, rgba(255, 106, 31, 0.18), transparent 62%),
    var(--ink-900);
}

.page-faq .faq-escalate__box {
  position: relative;
  padding: clamp(26px, 4.4vw, 50px);
  border: var(--bw) solid var(--ink-950);
  background: var(--ink-700);
  box-shadow: var(--hard);
}

.page-faq .faq-escalate__box::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--orange-500) 0 62%, var(--cyan-400) 62% 100%);
}

.page-faq .faq-escalate .eyebrow {
  margin: 0;
  color: var(--cyan-200);
}

.page-faq .faq-escalate__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--lime-100);
}

.page-faq .faq-escalate__lede {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--lime-100);
}

.page-faq .faq-escalate__grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-channel {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  border: var(--bw) solid var(--ink-950);
  background: var(--ink-900);
  color: var(--lime-100);
  text-decoration: none;
  box-shadow: var(--hard-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-channel:hover,
.page-faq .faq-channel:focus-visible {
  transform: translateY(-2px);
  box-shadow: 2px 2px 0 var(--ink-950);
  background: var(--ink-950);
}

.page-faq .faq-channel--mail {
  background: var(--cyan-200);
  color: var(--ink-950);
}

.page-faq .faq-channel--mail:hover,
.page-faq .faq-channel--mail:focus-visible {
  background: var(--cyan-400);
}

.page-faq .faq-channel__tag {
  justify-self: start;
  padding: 3px 9px;
  background: var(--orange-500);
  border: 2px solid var(--ink-950);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ink-950);
}

.page-faq .faq-channel__name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  opacity: 0.8;
}

.page-faq .faq-channel__value {
  font-family: var(--font-num);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  word-break: break-all;
}

.page-faq .faq-channel__hint {
  font-size: 14px;
  line-height: 1.65;
  opacity: 0.82;
}

.page-faq .faq-escalate__note {
  margin-top: 26px;
  padding: 20px 22px;
  background: var(--cream-100);
  color: var(--ink-950);
  border: var(--bw) solid var(--ink-950);
}

.page-faq .faq-escalate__note-title {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
}

.page-faq .faq-escalate__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-escalate__list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.7;
}

.page-faq .faq-escalate__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 3px;
  background: var(--orange-500);
}

.page-faq .faq-escalate__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 平板横屏优先 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

  .page-faq .faq-start__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-level {
    padding-left: 34px;
  }

  .page-faq .faq-level::before {
    content: "";
    position: absolute;
    left: 0;
    top: clamp(34px, 5.4vw, 68px);
    bottom: clamp(34px, 5.4vw, 68px);
    width: 2px;
    background: linear-gradient(180deg, var(--cyan-400), rgba(22, 227, 214, 0));
  }

  .page-faq .faq-level__grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-start__figure {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-flow__item {
    padding: 70px 18px 18px;
  }

  .page-faq .faq-hero__badge {
    transform: none;
    width: 100%;
  }

  .page-faq .faq-jump__label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-flow__item,
  .page-faq .faq-channel,
  .page-faq .faq-jump__link {
    transition: none;
  }

  .page-faq .faq-flow__item:hover,
  .page-faq .faq-channel:hover,
  .page-faq .faq-jump__link:hover {
    transform: none;
  }
}