.page-faq {
  --faq-edge: 2px solid var(--khaki);
}

.page-faq .faq-shell {
  padding-bottom: 56px;
}

.page-faq .breadcrumb {
  margin: 0 0 16px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 34px;
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 55% 100%, 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -70px;
  width: 230px;
  height: 230px;
  background: var(--lake);
  opacity: 0.18;
  transform: rotate(12deg);
  pointer-events: none;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--lake-light);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(27px, 7.2vw, 44px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper-2);
}

.page-faq .faq-hero__lead {
  max-width: 52ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
  opacity: 0.86;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__meta .mono {
  font-size: 19px;
  color: var(--canola);
}

/* ---------- 通用标题与段落 ---------- */
.page-faq h2 {
  margin: 6px 0 12px;
  font-size: clamp(21px, 4.8vw, 30px);
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-faq .faq-intro {
  max-width: 60ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-block {
  margin-top: 46px;
}

.page-faq .faq-block > p {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.76;
}

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

/* ---------- 症状筛选 ---------- */
.page-faq .faq-symptoms {
  margin-top: 38px;
}

.page-faq .segments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.page-faq .segment {
  min-height: 44px;
  padding: 10px 16px;
  border: var(--faq-edge);
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease), background-color 160ms var(--ease);
}

.page-faq .segment:hover {
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(201, 191, 169, 0.7);
}

.page-faq .segment[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-2);
  box-shadow: 4px 4px 0 var(--lake-light);
}

.page-faq .segment:focus-visible {
  outline: 3px solid var(--lake);
  outline-offset: 2px;
}

.page-faq .faq-panel {
  padding: 20px 18px;
  background: var(--paper-2);
  border: var(--faq-edge);
  border-left: 6px solid var(--lake);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-panel + .faq-panel {
  margin-top: 14px;
}

.page-faq .faq-panel__title {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 900;
  color: var(--text);
}

.page-faq .faq-panel__list {
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
}

.page-faq .faq-panel__list dt {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: var(--lake-deep);
}

.page-faq .faq-panel__list dd {
  margin: 3px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}

.page-faq .faq-panel__go {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 800;
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 3px solid var(--canola);
}

.page-faq .faq-panel__go:hover {
  color: var(--ink);
}

/* ---------- 分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 26px;
}

/* ---------- 步骤卡 ---------- */
.page-faq .step-list {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  border: var(--faq-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}

.page-faq .step__toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--paper);
  border-bottom: var(--faq-edge);
  cursor: pointer;
}

.page-faq .step__toggle:focus-visible + .step__head {
  outline: 3px solid var(--lake);
  outline-offset: -3px;
}

.page-faq .step__num {
  flex: 0 0 auto;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lake-deep);
}

.page-faq .step__title {
  flex: 1 1 auto;
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--text);
}

.page-faq .step__box {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border: 2px solid var(--khaki);
  border-radius: 50%;
  background: var(--paper-2);
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .step__toggle:checked + .step__head .step__box {
  background: var(--lake);
  border-color: var(--lake-deep);
  box-shadow: inset 0 0 0 4px var(--paper-2);
}

.page-faq .step__toggle:checked + .step__head .step__title {
  color: var(--lake-deep);
}

.page-faq .step__body {
  padding: 14px 16px 4px;
}

.page-faq .step__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.74;
}

.page-faq .step__check {
  padding: 10px 12px;
  background: var(--paper);
  border-left: 4px solid var(--lake-light);
}

.page-faq .step__k {
  display: block;
  margin-bottom: 3px;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: var(--lake-deep);
}

.page-faq .step__hint {
  display: none;
  margin: 0;
  padding: 4px 16px 14px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--alert);
}

.page-faq .step__toggle:checked ~ .step__hint {
  display: block;
}

.page-faq .faq-metric {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
  padding: 16px;
  background: var(--ink-2);
  border-radius: var(--radius);
  color: var(--paper);
}

.page-faq .faq-metric__item span {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--canola);
  letter-spacing: 0.02em;
}

.page-faq .faq-metric__item p {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.5;
  opacity: 0.85;
}

/* ---------- 图形块 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: var(--faq-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  background: var(--paper);
}

.page-faq .faq-figure--tall {
  max-width: 320px;
}

.page-faq .faq-figure--tall img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-faq .faq-figure--wide {
  margin-bottom: 20px;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--text);
  opacity: 0.72;
}

.page-faq .faq-figure .btn--alert {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  margin-top: 14px;
  border: 2px solid var(--alert);
  background: var(--alert);
  color: var(--paper-2);
  font-weight: 900;
  text-decoration: none;
}

.page-faq .faq-figure .btn--alert:hover {
  background: var(--alert-soft);
  border-color: var(--alert-soft);
}

/* ---------- 登入排查 ---------- */
.page-faq .chk-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .chk {
  padding: 16px;
  background: var(--paper-2);
  border: var(--faq-edge);
  border-top: 5px solid var(--lake);
  border-radius: var(--radius);
}

.page-faq .chk__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--lake-deep);
}

.page-faq .chk h3 {
  margin: 5px 0 8px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .chk p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .chk__verdict {
  margin: 0;
  padding: 9px 11px;
  background: var(--paper);
  border-left: 4px solid var(--canola);
  font-size: 13.5px;
  line-height: 1.65;
}

.page-faq .chk__verdict span {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 800;
  color: var(--text);
  opacity: 0.6;
}

/* ---------- 入口对照 ---------- */
.page-faq .entry-map {
  margin: 4px 0 18px;
  background: var(--paper-2);
  border: var(--faq-edge);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .entry-map__head {
  display: none;
}

.page-faq .entry-map__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .entry-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 16px;
  border-top: var(--faq-edge);
}

.page-faq .entry-map__list .entry-row:first-child {
  border-top: 0;
}

.page-faq .entry-row__old {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  opacity: 0.72;
}

.page-faq .entry-row__arrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lake);
}

.page-faq .entry-row__new {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.page-faq a.entry-row__new:hover {
  border-bottom-color: var(--canola);
}

.page-faq .entry-row__new--self {
  color: var(--text);
}

/* ---------- 下载问题 ---------- */
.page-faq .issue-grid {
  display: grid;
  gap: 14px;
  margin: 4px 0 18px;
}

.page-faq .issue {
  padding: 16px;
  background: var(--paper-2);
  border: var(--faq-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
}

.page-faq .issue h3 {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .issue h3::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  background: var(--canola);
  transform: rotate(45deg) translateY(-1px);
}

.page-faq .issue p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.page-faq .qa {
  background: var(--paper-2);
  border: var(--faq-edge);
  border-radius: var(--radius);
}

.page-faq .qa[open] {
  border-color: var(--lake-light);
  box-shadow: var(--shadow-paper);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  min-height: 44px;
  font-size: 14.5px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lake-deep);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  border-top: 2px dashed var(--khaki);
}

.page-faq .qa__a p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 转接卡 ---------- */
.page-faq .faq-help__card {
  margin-top: 16px;
  padding: 24px 20px 26px;
  background: var(--ink-2);
  color: var(--paper);
  border-left: 8px solid var(--canola);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 82% 100%, 0 100%);
}

.page-faq .faq-help__lead {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.75;
  color: var(--paper-2);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-help__list li::marker {
  color: var(--canola);
}

.page-faq .faq-help__meta {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.72;
  opacity: 0.82;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-faq .faq-help__actions .btn {
  min-height: 44px;
  text-decoration: none;
}

.page-faq .faq-help__link {
  font-size: 14px;
  font-weight: 800;
  color: var(--lake-light);
  text-decoration: none;
  border-bottom: 2px solid var(--lake-light);
  padding-bottom: 1px;
}

.page-faq .faq-help__link:hover {
  color: var(--canola);
  border-bottom-color: var(--canola);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-note {
  max-width: 62ch;
  margin: 18px 0 0;
  padding: 12px 14px;
  background: var(--paper-2);
  border-left: 4px solid var(--lake-light);
  font-size: 13.5px;
  line-height: 1.72;
}

.page-faq .faq-note a {
  color: var(--lake-deep);
  font-weight: 800;
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 420px) {
  .page-faq .faq-hero {
    padding: 22px 16px 30px;
  }

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

  .page-faq .faq-metric {
    grid-template-columns: 1fr;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .chk-list {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .page-faq .issue-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .entry-map__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1.5fr);
    gap: 8px;
    padding: 10px 16px;
    background: var(--ink);
    color: var(--paper-2);
    font-size: 11.5px;
    letter-spacing: 0.14em;
    font-weight: 800;
  }

  .page-faq .entry-row {
    grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1.5fr);
    gap: 8px;
    align-items: center;
    padding: 12px 16px;
  }

  .page-faq .faq-metric__item span {
    font-size: 20px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding: 44px 44px 52px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 40px), 38% 100%, 0 100%);
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-split__side {
    position: sticky;
    top: 20px;
  }

  .page-faq .faq-figure--tall {
    max-width: none;
  }

  .page-faq .step__head {
    padding: 16px 20px;
  }

  .page-faq .step__num {
    font-size: 20px;
  }

  .page-faq .step__title {
    font-size: 16.5px;
  }

  .page-faq .step__body {
    padding: 16px 20px 4px;
  }

  .page-faq .step__hint {
    padding: 4px 20px 16px;
  }

  .page-faq .faq-help__card {
    padding: 30px 32px 34px;
  }
}