.page-faq {
  --faq-orange-soft: rgba(255, 106, 26, 0.14);
  --faq-line-soft: rgba(166, 179, 201, 0.14);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .breadcrumb {
  margin: 24px 0 4px;
}

.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__inner {
  max-width: 820px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 14px 0 20px;
  max-width: 20ch;
}

.page-faq .faq-hero .lead {
  color: var(--mist);
  font-size: 17px;
  line-height: 1.75;
  max-width: 42ch;
  margin: 0 0 24px;
}

.page-faq .faq-hero .btn-row {
  margin-top: 4px;
}

.page-faq .faq-band {
  margin: 0 0 clamp(36px, 6vw, 64px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-bg-2);
  position: relative;
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(255, 106, 26, 0.16), transparent 55%);
  pointer-events: none;
}

.page-faq .faq-band .media__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  filter: saturate(0.85);
}

.page-faq .faq-band .media__caption {
  padding: 12px 18px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-top: 1px solid var(--faq-line-soft);
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-fork {
  width: 100%;
  height: clamp(90px, 14vw, 170px);
  display: block;
  margin: 8px 0 4px;
}

.page-faq .faq-fork path {
  fill: none;
  stroke: rgba(255, 106, 26, 0.32);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-faq .faq-fork circle {
  fill: var(--huohu-orange);
  opacity: 0.85;
}

.page-faq .faq-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-path__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 22px 20px;
  background: var(--ink-bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-path__item:hover {
  border-color: var(--line-strong);
  transform: translateX(4px);
}

.page-faq .faq-path__num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--faq-orange-soft);
  color: var(--huohu-orange);
  font-size: 16px;
  font-weight: 700;
  border: 1px solid rgba(255, 106, 26, 0.36);
}

.page-faq .faq-path__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--ink);
  margin: 8px 0 10px;
  letter-spacing: -0.005em;
}

.page-faq .faq-path__item p {
  margin: 0;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 56ch;
}

.page-faq .faq-copystrip {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-m);
  border: 1px dashed rgba(166, 179, 201, 0.28);
  background: rgba(27, 31, 42, 0.6);
}

/* ---------- 问答主区 + 侧栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-side {
  order: -1;
}

.page-faq .faq-group__label {
  color: var(--huohu-orange);
  margin: 28px 0 10px;
  display: block;
}

.page-faq .faq-group__label:first-child {
  margin-top: 4px;
}

.page-faq .faq-qa {
  background: var(--ink-bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  margin-bottom: 12px;
  overflow: hidden;
  border-left: 3px solid transparent;
  transition: border-color 0.22s ease, background-color 0.22s ease;
}

.page-faq .faq-qa[open] {
  border-left-color: var(--huohu-orange);
  background: linear-gradient(180deg, rgba(255, 106, 26, 0.06), var(--ink-bg-2) 40%);
}

.page-faq .faq-qa > .expand__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
}

.page-faq .faq-qa > .expand__summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-qa__q {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.5;
  color: var(--ink);
  flex: 1;
}

.page-faq .faq-qa__marker {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  position: relative;
}

.page-faq .faq-qa__marker::before,
.page-faq .faq-qa__marker::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 0.22s ease, background-color 0.22s ease;
}

.page-faq .faq-qa__marker::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-qa__marker::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-qa[open] .faq-qa__marker::after {
  transform: scaleY(0);
}

.page-faq .faq-qa[open] .faq-qa__marker::before {
  background: var(--huohu-orange);
}

.page-faq .faq-qa .expand__body {
  padding: 0 20px 20px;
}

.page-faq .faq-qa .expand__body p {
  margin: 0 0 12px;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 62ch;
}

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

/* ---------- 侧栏卡片 ---------- */
.page-faq .faq-side__card {
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 18px 20px;
  margin-bottom: 16px;
}

.page-faq .faq-side__card > .label-mono {
  color: var(--mist);
  display: block;
  margin-bottom: 14px;
}

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

.page-faq .faq-legend .legend__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.4;
}

.page-faq .faq-legend .legend__swatch {
  flex: 0 0 auto;
}

.page-faq .version-pair {
  display: grid;
  gap: 12px;
}

.page-faq .version-pair__row {
  display: grid;
  gap: 6px;
}

.page-faq .version-pair__tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--mist);
  width: fit-content;
}

.page-faq .version-pair__tag.is-current {
  background: var(--huohu-orange);
  border-color: var(--huohu-orange);
  color: #101218;
  font-weight: 700;
}

.page-faq .version-pair__desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-side__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--faq-line-soft);
  padding-top: 12px;
}

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

.page-faq .faq-jump a {
  display: block;
  padding: 9px 10px;
  border-radius: var(--radius-s);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: rgba(255, 106, 26, 0.12);
  border-left-color: var(--huohu-orange);
  color: var(--huohu-orange);
}

/* ---------- 停赛规则 ---------- */
.page-faq .faq-rule {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, rgba(42, 51, 70, 0.95), var(--ink-bg-2) 62%);
  border: 1px solid var(--line);
}

.page-faq .faq-rule__text h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--ink);
  margin: 12px 0 16px;
  letter-spacing: -0.01em;
}

.page-faq .faq-rule__text p {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
  max-width: 56ch;
  margin: 0 0 14px;
}

.page-faq .faq-legend-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-legend-inline .legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink);
}

.page-faq .faq-rule__media {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-bg);
  align-self: start;
}

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

.page-faq .faq-rule__media .media__caption {
  padding: 12px 16px 14px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid var(--faq-line-soft);
}

/* ---------- 版本差异 ---------- */
.page-faq .faq-versions {
  display: grid;
  gap: 18px;
}

.page-faq .faq-versions__card {
  padding: 22px 22px 24px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: var(--ink-bg-2);
}

.page-faq .faq-versions__card--current {
  border-color: rgba(255, 106, 26, 0.42);
  background: linear-gradient(160deg, rgba(255, 106, 26, 0.13), var(--ink-bg-2) 52%);
}

.page-faq .faq-versions__card > .label-mono {
  color: var(--mist);
  display: block;
  margin-bottom: 10px;
}

.page-faq .faq-versions__card h3 {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-faq .faq-versions__card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-versions__card li {
  position: relative;
  padding-left: 18px;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.65;
}

.page-faq .faq-versions__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--huohu-orange);
  opacity: 0.75;
}

.page-faq .faq-versions__card--current li::before {
  background: var(--archive-teal);
}

.page-faq .faq-versions__tip {
  margin: 22px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--huohu-orange);
  background: rgba(27, 31, 42, 0.7);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 纠错流程 ---------- */
.page-faq .faq-report {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--ink-bg-2);
  padding: clamp(24px, 4vw, 38px);
}

.page-faq .faq-report__head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--ink);
  margin: 12px 0 14px;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-faq .faq-report__head .lead {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
  max-width: 48ch;
  margin: 0;
}

.page-faq .faq-report__steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-report__steps li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-report__num {
  font-size: 15px;
  color: var(--huohu-orange);
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.page-faq .faq-report__steps h3 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-faq .faq-report__steps p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
  max-width: 58ch;
}

.page-faq .faq-report__foot {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-faq .faq-report__foot p {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.7;
  max-width: 52ch;
}

.page-faq .faq-report__foot a {
  color: var(--huohu-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 CTA ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 138, 61, 0.22), transparent 58%),
    linear-gradient(160deg, var(--slate), var(--ink-bg-2));
  border: 1px solid rgba(255, 106, 26, 0.3);
}

.page-faq .faq-cta h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--ink);
  margin: 12px 0 14px;
  letter-spacing: -0.01em;
  max-width: 24ch;
}

.page-faq .faq-cta p {
  margin: 0;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 52ch;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-rule {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

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

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 30px;
  }

  .page-faq .faq-cta .btn-row {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-path__item:nth-child(1) {
    margin-right: 26%;
  }

  .page-faq .faq-path__item:nth-child(2) {
    margin-left: 13%;
    margin-right: 13%;
  }

  .page-faq .faq-path__item:nth-child(3) {
    margin-left: 26%;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
  }

  .page-faq .faq-side {
    order: 0;
  }

  .page-faq .faq-side__sticky {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-hero__inner {
    max-width: 880px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path__item,
  .page-faq .faq-qa,
  .page-faq .faq-qa__marker::before,
  .page-faq .faq-qa__marker::after,
  .page-faq .faq-jump a {
    transition: none;
  }

  .page-faq .faq-path__item:hover {
    transform: none;
  }
}