.page-faq {
  --faq-rail-w: 236px;
  --faq-card: #FBF7EE;
  --faq-ink-soft: #5C6675;
  --faq-body-ink: #3A4453;
  --faq-num: #65940D;
  background: var(--ink);
  color: var(--text);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 60px);
  background:
    radial-gradient(680px 340px at 88% 4%, rgba(198, 242, 78, 0.14), transparent 62%),
    radial-gradient(520px 300px at 4% 96%, rgba(255, 138, 61, 0.10), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, var(--navy) 100%);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-hero .crumbs__list {
  color: var(--muted);
  font-size: 13px;
}

.page-faq .faq-hero .crumbs__list a {
  color: var(--muted);
  text-decoration: none;
}

.page-faq .faq-hero .crumbs__list a:hover {
  color: var(--lime);
}

.page-faq .faq-hero .crumbs__item span[aria-current="page"] {
  color: var(--text);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 42px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #F2F6FC;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 18px;
  background: var(--lime);
}

.page-faq .faq-hero__main .lede {
  max-width: 52ch;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__side {
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(30, 42, 61, 0.72), rgba(16, 24, 39, 0.9));
  padding: 16px 18px;
  align-self: end;
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(46, 61, 85, 0.9);
}

.page-faq .faq-stat:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-faq .faq-stat__k {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .faq-stat__v {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--edge);
  background: rgba(16, 24, 39, 0.62);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.18s, color 0.18s, background 0.18s;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 242, 78, 0.08);
}

/* ---------- 纸色长文档区 ---------- */
.page-faq .faq-doc {
  background: var(--paper);
  color: var(--text-on-paper);
  padding: clamp(30px, 5vw, 64px) 0 clamp(40px, 6vw, 88px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faq-ink-soft);
}

.page-faq .anchor-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .anchor-rail__link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid var(--paper-2);
  font-size: 14px;
  line-height: 1.5;
  color: var(--faq-ink-soft);
  text-decoration: none;
  transition: color 0.18s, border-color 0.18s, background 0.18s;
}

.page-faq .anchor-rail__link:hover {
  color: var(--text-on-paper);
  border-left-color: var(--lime-deep);
}

.page-faq .anchor-rail__link[aria-current="true"] {
  color: var(--text-on-paper);
  font-weight: 700;
  border-left-color: var(--lime-deep);
  background: rgba(143, 209, 23, 0.14);
}

.page-faq .faq-block {
  scroll-margin-top: 118px;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(34px, 5vw, 62px);
  padding-top: clamp(28px, 4vw, 50px);
  border-top: 1px solid var(--paper-2);
}

.page-faq .faq-doc .section__eyebrow {
  color: var(--faq-ink-soft);
}

.page-faq .faq-block__head {
  max-width: 62ch;
}

.page-faq .faq-block__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.3vw, 35px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text-on-paper);
}

.page-faq .faq-block__lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: #2C3546;
}

.page-faq .faq-doc .media-frame {
  margin: 26px 0 0;
}

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

.page-faq .faq-doc .media-frame__caption {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* ---------- 步骤列 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--paper-2);
}

.page-faq .faq-steps__item:last-child {
  border-bottom: 1px solid var(--paper-2);
}

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--faq-num);
  padding-top: 3px;
}

.page-faq .faq-steps__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-on-paper);
}

.page-faq .faq-steps__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-body-ink);
}

/* ---------- 格式卡 ---------- */
.page-faq .faq-formats {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-faq .faq-format {
  padding: 18px 20px 20px;
  border: 1px solid var(--paper-2);
  background: var(--faq-card);
  box-shadow: 5px 5px 0 rgba(227, 218, 201, 0.95);
}

.page-faq .faq-format__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--faq-num);
}

.page-faq .faq-format__title {
  margin: 8px 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-on-paper);
}

.page-faq .faq-format__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-ink);
}

.page-faq .faq-fieldbar {
  margin: 22px 0 0;
  padding: 16px 18px;
  background: #EFE9DC;
  border-left: 4px solid var(--lime-deep);
  font-size: 15px;
  line-height: 1.85;
  color: #33404F;
}

.page-faq .faq-fieldbar strong {
  color: var(--text-on-paper);
  font-weight: 700;
}

.page-faq .faq-fieldbar a {
  color: #4F7A0A;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-fieldbar a:hover {
  color: #6A9B12;
}

/* ---------- 条目列表 ---------- */
.page-faq .faq-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-list li {
  position: relative;
  padding: 14px 0 14px 24px;
  border-top: 1px dashed var(--paper-2);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-body-ink);
}

.page-faq .faq-list li:last-child {
  border-bottom: 1px dashed var(--paper-2);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 23px;
  width: 9px;
  height: 9px;
  background: var(--lime-deep);
}

.page-faq .faq-list strong {
  color: var(--text-on-paper);
  font-weight: 700;
}

.page-faq .faq-list a {
  color: #4F7A0A;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-list a:hover {
  color: #6A9B12;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  margin-top: 12px;
  border: 1px solid var(--paper-2);
  background: var(--faq-card);
}

.page-faq .faq-q > summary {
  position: relative;
  display: block;
  padding: 16px 52px 16px 18px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-on-paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q > summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--faq-num);
  transition: color 0.18s;
}

.page-faq .faq-q[open] > summary::after {
  content: "\2013";
}

.page-faq .faq-q > summary:hover::after {
  color: var(--text-on-paper);
}

.page-faq .faq-q[open] > summary {
  border-bottom: 1px solid var(--paper-2);
  background: rgba(227, 218, 201, 0.55);
}

.page-faq .faq-q__body {
  padding: 16px 18px 20px;
}

.page-faq .faq-q__verdict {
  display: flex;
  gap: 8px;
  align-items: baseline;
  margin: 0;
  padding: 11px 14px;
  background: rgba(143, 209, 23, 0.16);
  border-left: 3px solid var(--lime-deep);
  font-size: 15px;
  line-height: 1.75;
  color: #2E3A22;
}

.page-faq .faq-q__verdict strong {
  flex: none;
  font-weight: 700;
  color: #40610A;
}

.page-faq .faq-q__steps {
  margin: 14px 0 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body-ink);
}

.page-faq .faq-q__steps li {
  margin-bottom: 6px;
}

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

.page-faq .faq-q__steps li::marker {
  font-family: var(--font-mono);
  color: var(--faq-num);
}

.page-faq .faq-q__steps a {
  color: #4F7A0A;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系支持带 ---------- */
.page-faq .faq-support {
  padding: clamp(34px, 5vw, 70px) 0;
  background:
    radial-gradient(560px 260px at 10% 0%, rgba(255, 138, 61, 0.13), transparent 66%),
    linear-gradient(180deg, var(--navy) 0%, var(--ink) 100%);
  border-top: 1px solid var(--edge);
  color: var(--text);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-support .section__eyebrow {
  color: var(--amber);
}

.page-faq .faq-support__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: #F2F6FC;
}

.page-faq .faq-support__lead {
  max-width: 56ch;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-support__list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-support__list li::before {
  content: "\2192";
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-support__aside {
  padding: 20px 22px;
  border: 1px solid var(--edge);
  background: rgba(30, 42, 61, 0.66);
  align-self: start;
}

.page-faq .faq-support__aside-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--lime);
}

.page-faq .faq-support__aside-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-support__aside-meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--edge);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 124px;
    align-self: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }
}

@media (max-width: 979px) {
  .page-faq .anchor-rail {
    flex-direction: row;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .anchor-rail li {
    flex: none;
  }

  .page-faq .anchor-rail__link {
    border-left: 0;
    border-bottom: 2px solid var(--paper-2);
    white-space: nowrap;
    padding: 8px 10px;
  }

  .page-faq .anchor-rail__link[aria-current="true"] {
    border-bottom-color: var(--lime-deep);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-steps__item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-faq .faq-steps__num {
    padding-top: 0;
  }

  .page-faq .faq-support__actions .btn {
    width: 100%;
    text-align: center;
  }
}