.page-faq {
  --faq-side: 272px;
  --faq-gap: clamp(26px, 3.2vw, 54px);
  --faq-radius: var(--radius-m);
  --faq-amber-wash: rgba(217, 154, 43, .14);
  --faq-celadon-wash: rgba(91, 140, 123, .13);
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 110px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: clamp(18px, 2.6vw, 32px);
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--slate);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.page-faq .faq-crumbs a {
  color: var(--slate);
  text-decoration: none;
  transition: color .16s var(--ease);
}
.page-faq .faq-crumbs a:hover {
  color: var(--amber);
}
.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--indigo);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(14px, 2.2vw, 30px);
  padding-bottom: clamp(30px, 4.6vw, 62px);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 52px);
  grid-template-columns: 1fr;
  align-items: end;
}
@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .72fr);
  }
}
.page-faq .faq-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--vermilion);
}
.page-faq .faq-hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--vermilion);
  border-radius: 2px;
}
.page-faq .faq-hero__title {
  margin: clamp(14px, 1.8vw, 22px) 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 6.6vw, 78px);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--indigo);
  max-width: 20ch;
}
.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.88;
  max-width: 60ch;
  color: var(--ink-soft);
}
.page-faq .faq-hero__aside {
  display: grid;
  gap: 12px;
  padding: clamp(14px, 1.8vw, 20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(155deg, rgba(27, 42, 74, .07), rgba(217, 154, 43, .12) 62%, rgba(91, 140, 123, .10));
}
.page-faq .faq-hero__aside img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
}
.page-faq .faq-hero__cap {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
  }
}

/* ---------- 左侧分类 ---------- */
.page-faq .faq-side {
  border-top: 2px solid var(--indigo);
  padding-top: 14px;
  min-width: 0;
}
@media (min-width: 980px) {
  .page-faq .faq-side {
    position: sticky;
    top: 22px;
  }
}
.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-faq .faq-side__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-side__list > li {
  flex: none;
}
@media (min-width: 980px) {
  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-side__list > li {
    flex: initial;
  }
}
.page-faq .faq-side__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 12px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-s);
  font-family: var(--font-ui);
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}
@media (min-width: 980px) {
  .page-faq .faq-side__link {
    white-space: normal;
    width: 100%;
  }
}
.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  background: var(--faq-amber-wash);
  border-left-color: var(--amber);
  color: var(--indigo);
}
.page-faq .faq-side__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--amber);
}

/* ---------- 面板通用 ---------- */
.page-faq .faq-panels {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page-faq .faq-panel {
  border-top: 1px solid var(--line);
  padding-block: clamp(30px, 4.4vw, 56px);
  scroll-margin-top: 96px;
  min-width: 0;
}
.page-faq .faq-panel:first-child {
  border-top-width: 2px;
  border-top-color: var(--indigo);
  padding-top: 0;
}
.page-faq .faq-panel__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 26px);
  align-items: start;
}
.page-faq .faq-panel__no {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--amber);
}
.page-faq .faq-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--indigo);
}
.page-faq .faq-panel__lede {
  margin: 10px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: clamp(10px, 1.4vw, 16px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
}
.page-faq .faq-figure__cap {
  margin: 10px 2px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 编号步骤卡 ---------- */
.page-faq .faq-stepslist {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 2.4vw, 28px);
}
.page-faq .stepcard {
  position: relative;
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.2vw, 24px);
  padding-right: clamp(52px, 5vw, 66px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}
.page-faq .stepcard:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}
.page-faq .stepcard:has(.stepcard__ck:checked) {
  border-color: rgba(91, 140, 123, .6);
  background: rgba(91, 140, 123, .09);
}
.page-faq .stepcard__ck {
  position: absolute;
  top: clamp(16px, 2vw, 22px);
  right: clamp(16px, 2vw, 22px);
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--celadon);
  cursor: pointer;
}
.page-faq .stepcard__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-faq .stepcard__title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: clamp(17px, 1.7vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--indigo);
}
.page-faq .stepcard__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-faq .stepcard__tag {
  justify-self: start;
  margin-top: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(27, 42, 74, .08);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--indigo);
}

/* ---------- 折叠排查卡 ---------- */
.page-faq .faq-item {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--white);
  overflow: hidden;
  transition: box-shadow .16s var(--ease), border-color .16s var(--ease);
}
.page-faq .faq-item[open] {
  border-color: rgba(217, 154, 43, .55);
  box-shadow: var(--shadow-1);
}
.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: clamp(15px, 1.9vw, 19px) clamp(16px, 2.2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: clamp(15.5px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--indigo);
  transition: background .16s var(--ease);
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary::marker {
  content: "";
}
.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  width: 24px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--amber);
}
.page-faq .faq-item[open] > summary::after {
  content: "–";
}
.page-faq .faq-item > summary:hover {
  background: var(--faq-amber-wash);
}
.page-faq .faq-steps {
  margin: 0;
  padding: 12px clamp(16px, 2.2vw, 22px) clamp(14px, 1.8vw, 20px);
  list-style: none;
  counter-reset: faqstep;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 34px;
  padding-block: 7px;
  font-size: 15.8px;
  line-height: 1.82;
  color: var(--ink-soft);
}
.page-faq .faq-steps > li + li {
  border-top: 1px solid rgba(27, 42, 74, .07);
}
.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--amber);
}

/* ---------- 版本对照 ---------- */
.page-faq .versgrid {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 2.4vw, 26px);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .page-faq .versgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-faq .verscard {
  padding: clamp(18px, 2.2vw, 24px);
  border-radius: var(--faq-radius);
  background: var(--indigo);
  color: var(--paper);
}
.page-faq .verscard--alt {
  background: var(--paper-warm);
  color: var(--ink);
  border: 1px solid var(--line);
}
.page-faq .verscard__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .72;
}
.page-faq .verscard__v {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--gold);
}
.page-faq .verscard--alt .verscard__v {
  color: var(--vermilion);
}
.page-faq .verscard__d {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  opacity: .9;
}

.page-faq .checklist {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-faq .checklist > li {
  position: relative;
  padding-left: 28px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-faq .checklist > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--celadon);
}

.page-faq .remindcard {
  display: grid;
  gap: 8px;
  margin-top: clamp(18px, 2.4vw, 26px);
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid rgba(91, 140, 123, .45);
  border-radius: var(--faq-radius);
  background: linear-gradient(135deg, var(--faq-celadon-wash), rgba(242, 208, 138, .2));
}
.page-faq .remindcard__t {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--indigo);
}
.page-faq .remindcard__d {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

/* ---------- 联系支持 ---------- */
.page-faq .contactgrid {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 2.4vw, 26px);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .page-faq .contactgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-faq .contactcard {
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--white);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease);
}
.page-faq .contactcard:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}
.page-faq .contactcard__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-faq .contactcard__v {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.55;
  color: var(--indigo);
  overflow-wrap: anywhere;
}
.page-faq .contactcard__d {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: clamp(20px, 2.6vw, 30px);
}

/* ---------- 焦点反馈 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}