.page-faq {
  --faq-radius: 18px;
  --faq-line: rgba(184, 137, 47, 0.34);
  --faq-line-soft: rgba(184, 137, 47, 0.2);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--warm);
}

.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--gold);
}

.page-faq .breadcrumbs__link {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-block: clamp(22px, 4vw, 46px) clamp(38px, 6vw, 82px);
  align-items: start;
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.page-faq .faq-hero__kicker::after {
  content: "";
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 4.2rem);
  line-height: 1.07;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 0;
  color: var(--cinnabar-deep);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 56ch;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__aside {
  display: grid;
  gap: 14px;
}

.page-faq .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background:
    repeating-linear-gradient(-45deg, rgba(217, 205, 187, 0.35) 0 8px, transparent 8px 16px),
    var(--paper-lit);
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .media-frame--tall {
  aspect-ratio: 4 / 5;
}

.page-faq .media-frame--wide {
  aspect-ratio: 16 / 10;
  margin-top: clamp(22px, 4vw, 38px);
}

.page-faq .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--paper-lit);
  background: linear-gradient(to top, rgba(67, 16, 16, 0.88), rgba(67, 16, 16, 0));
}

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

.page-faq .faq-hero__states li {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--faq-line-soft);
  border-radius: 999px;
  background: var(--paper-lit);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.page-faq .faq-hero__states .data-tag__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--celadon);
}

/* ---------- 三步排查 ---------- */

.page-faq .faq-steps {
  position: relative;
  overflow: hidden;
  background: var(--cinnabar-deep);
  color: var(--paper);
  padding-block: clamp(42px, 7vw, 88px);
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -42%;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(184, 137, 47, 0.24), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-steps .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-steps__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--gold-pale);
}

.page-faq .faq-steps__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.4vw, 2.7rem);
  line-height: 1.16;
  margin: 0.7rem 0 0.9rem;
  color: var(--paper-lit);
  text-wrap: balance;
}

.page-faq .faq-steps__head .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.96rem, 1.6vw, 1.04rem);
  line-height: 1.9;
  color: rgba(251, 247, 239, 0.78);
}

.page-faq .faq-steps__figure .media-frame__caption {
  color: var(--gold-pale);
  background: linear-gradient(to top, rgba(24, 20, 20, 0.86), rgba(24, 20, 20, 0));
}

.page-faq .step-track {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-faq .step-track__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  padding-top: 18px;
  border-top: 1px solid rgba(228, 207, 160, 0.3);
  transition: border-color 0.2s var(--ease);
}

.page-faq .step-track__item:hover,
.page-faq .step-track__item:focus-within {
  border-top-color: var(--gold);
}

.page-faq .step-track__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5.5vw, 2.9rem);
  line-height: 1;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-faq .step-track__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.4vw, 1.22rem);
  line-height: 1.4;
  margin: 0 0 0.55rem;
  color: var(--paper-lit);
}

.page-faq .step-track__body p {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(244, 235, 221, 0.82);
}

.page-faq .step-track__signal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--gold-pale);
  padding: 8px 11px;
  border-left: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 6px 6px 0;
}

.page-faq .step-track__next {
  font-size: 0.9rem;
  color: rgba(251, 247, 239, 0.95);
  margin-bottom: 0;
  padding-bottom: 2px;
  border-bottom: 1px dashed rgba(228, 207, 160, 0.32);
  display: inline-block;
  transition: border-color 0.2s var(--ease);
}

.page-faq .step-track__item:hover .step-track__next {
  border-bottom-color: var(--gold);
}

/* ---------- 索引 + 折叠问答 ---------- */

.page-faq .faq-board {
  padding-block: clamp(40px, 7vw, 86px);
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-board__index h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1.24;
  margin: 0;
  color: var(--cinnabar-deep);
}

.page-faq .faq-board__hint {
  margin: 0.5rem 0 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--warm);
}

.page-faq .faq-index {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--ash);
  border-radius: 12px;
  background: var(--paper-lit);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.96rem;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index__link:hover {
  border-color: var(--gold);
  background: #fffdf8;
  transform: translateX(3px);
}

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

.page-faq .faq-index__link .seal {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-board__note {
  margin: 1.1rem 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--warm);
}

.page-faq .faq-group {
  scroll-margin-top: 108px;
  margin-bottom: clamp(28px, 4vw, 46px);
}

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

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.8vw, 1.5rem);
  color: var(--cinnabar);
}

.page-faq .faq-group__title .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-group__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--faq-line);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:hover {
  color: var(--cinnabar);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-faq .faq-item__num {
  flex: none;
  padding-top: 0.28rem;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--warm);
}

.page-faq .faq-item__a {
  padding: 0 2px 20px 34px;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.7rem;
  font-size: 0.93rem;
  line-height: 1.88;
  color: var(--ink-soft);
}

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

.page-faq .faq-mark {
  font-style: normal;
  padding: 0 3px;
  background: var(--gold-pale);
  color: var(--cinnabar-deep);
  border-radius: 3px;
}

/* ---------- 资料版本 ---------- */

.page-faq .faq-versions {
  padding-block: clamp(38px, 6vw, 76px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-versions__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-faq .faq-versions__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 4vw, 2.3rem);
  line-height: 1.2;
  margin: 0.65rem 0 0.85rem;
  color: var(--cinnabar-deep);
  text-wrap: balance;
}

.page-faq .faq-versions__head .lede {
  margin: 0;
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-versions__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-faq .faq-versions__grid .card {
  margin: 0;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--faq-radius);
  background: var(--paper-lit);
}

.page-faq .faq-versions__grid h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.4;
  margin: 0.7rem 0 0.6rem;
  color: var(--cinnabar);
}

.page-faq .faq-versions__grid p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-faq .faq-versions__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

/* ---------- 案例标签 ---------- */

.page-faq .faq-cases {
  background: linear-gradient(180deg, rgba(228, 207, 160, 0.28), rgba(244, 235, 221, 0.7));
  border-block: 1px solid var(--faq-line-soft);
  padding-block: clamp(38px, 6vw, 78px);
}

.page-faq .faq-cases__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-faq .faq-cases__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 4vw, 2.3rem);
  line-height: 1.2;
  margin: 0.65rem 0 0.85rem;
  color: var(--cinnabar-deep);
  text-wrap: balance;
}

.page-faq .faq-cases__head .lede {
  margin: 0;
  max-width: 56ch;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-cases__tags {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .faq-cases__tags li {
  padding: 7px 14px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: var(--paper-lit);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--cinnabar-deep);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-cases__tags li:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper-lit);
}

.page-faq .faq-cases__stats {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3.5vw, 32px);
}

.page-faq .faq-cases__stat {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-faq .faq-cases__stat b {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  line-height: 1.2;
  color: var(--cinnabar);
  letter-spacing: -0.01em;
}

.page-faq .faq-cases__stat span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--warm);
}

.page-faq .faq-cases__more {
  margin: clamp(22px, 3.5vw, 30px) 0 0;
}

/* ---------- 联系区 ---------- */

.page-faq .faq-help {
  background: var(--cinnabar);
  color: var(--paper-lit);
  padding-block: clamp(40px, 7vw, 84px);
}

.page-faq .faq-help__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-help__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--gold-pale);
}

.page-faq .faq-help__body h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 4vw, 2.3rem);
  line-height: 1.2;
  margin: 0.65rem 0 1rem;
  color: var(--paper-lit);
  text-wrap: balance;
}

.page-faq .faq-help__body p {
  margin: 0 0 0.9rem;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.9;
  color: rgba(251, 247, 239, 0.86);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.4rem 0 0;
}

.page-faq .faq-help__actions .btn--ghost {
  color: var(--paper-lit);
  border-color: rgba(228, 207, 160, 0.5);
}

.page-faq .faq-help__actions .btn--ghost:hover {
  border-color: var(--gold-pale);
  background: rgba(251, 247, 239, 0.08);
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(228, 207, 160, 0.38);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(228, 207, 160, 0.38);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-pale);
}

.page-faq .faq-contact__val {
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--paper-lit);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-cases__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-versions__grid .card:first-child {
    grid-row: span 2;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .step-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .step-track__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .faq-versions__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-versions__grid .card:first-child {
    grid-row: auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-board {
    grid-template-columns: minmax(0, 0.4fr) minmax(0, 0.6fr);
  }

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

```