.page-faq {
  --faq-block-gap: clamp(48px, 7vw, 92px);
  --faq-inner-gap: clamp(20px, 3vw, 44px);
  background: var(--c-ink);
  color: var(--c-paper);
  overflow-x: hidden;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-moss);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-faq .crumbs a {
  color: var(--c-moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-faq .crumbs-sep {
  color: var(--c-line);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: clamp(104px, 14vw, 168px) 0 clamp(40px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(0, 229, 195, 0.1) 0%, rgba(0, 229, 195, 0) 58%),
    linear-gradient(180deg, var(--c-night) 0%, var(--c-ink) 100%);
}

.page-faq .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: end;
}

.page-faq .hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  text-wrap: balance;
}

.page-faq .hero-lede {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--c-mist);
  margin: 20px 0 0;
  max-width: 62ch;
}

.page-faq .hero-aside {
  border-left: 1px solid var(--c-line);
  padding-left: clamp(16px, 2vw, 26px);
}

.page-faq .hero-aside-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-moss);
  margin: 0 0 18px;
}

.page-faq .hero-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.page-faq .hero-jump li {
  position: relative;
  padding-left: 14px;
}

.page-faq .hero-jump li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 1px;
  background: var(--c-cyan);
}

.page-faq .hero-jump a {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-paper);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.page-faq .hero-jump a:hover,
.page-faq .hero-jump a:focus-visible {
  color: var(--c-cyan);
}

.page-faq .hero-media {
  margin: clamp(34px, 5vw, 62px) 0 0;
  position: relative;
}

.page-faq .media {
  position: relative;
  overflow: hidden;
  background: var(--c-night);
  border-radius: var(--radius);
}

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

.page-faq .media--21x9 {
  aspect-ratio: 21 / 9;
}

.page-faq .media--1x1 {
  aspect-ratio: 1 / 1;
}

.page-faq .media-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  background: rgba(7, 31, 24, 0.78);
  backdrop-filter: blur(2px);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-section {
  padding: var(--faq-block-gap) 0;
}

.page-faq .faq-section--top {
  padding-top: clamp(30px, 4vw, 52px);
}

.page-faq .section-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

.page-faq .section-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0;
}

.page-faq .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.1vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

.page-faq .section-note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-moss);
}

/* ---------- 高频问答 ---------- */

.page-faq .qa-stack {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .qa-item {
  border-top: 1px solid var(--c-line);
}

.page-faq .qa-item > summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 24px;
  gap: 12px 16px;
  align-items: baseline;
  padding: clamp(16px, 2.2vw, 24px) 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.24s var(--ease);
}

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

.page-faq .qa-num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-moss);
  transition: color 0.28s var(--ease);
}

.page-faq .qa-q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.7vw, 21px);
  line-height: 1.5;
  color: var(--c-paper);
}

.page-faq .qa-item > summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--c-cyan);
  transition: color 0.24s var(--ease);
}

.page-faq .qa-item[open] > summary::after {
  content: "–";
  color: var(--c-gold);
}

.page-faq .qa-item[open] .qa-num {
  color: var(--c-cyan);
}

.page-faq .qa-item > summary:hover .qa-q,
.page-faq .qa-item > summary:focus-visible .qa-q {
  color: var(--c-cyan);
}

.page-faq .qa-item > summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 4px;
}

.page-faq .disclosure-body {
  padding: 0 0 clamp(20px, 2.6vw, 30px) 60px;
}

.page-faq .disclosure-body p {
  margin: 0;
  max-width: 72ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-mist);
}

/* ---------- 分类区块 ---------- */

.page-faq .faq-block {
  position: relative;
  border-top: 1px solid var(--c-line);
}

.page-faq .rule-v::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(0, 229, 195, 0) 0%, rgba(0, 229, 195, 0.5) 45%, rgba(0, 229, 195, 0) 100%);
  pointer-events: none;
}

.page-faq .faq-block-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-inner-gap);
}

.page-faq .faq-index {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  font-family: var(--font-data);
}

.page-faq .faq-index-num {
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--c-line);
}

.page-faq .faq-body h2 {
  margin-top: 0;
}

.page-faq .faq-body p {
  margin: 0 0 18px;
  max-width: 72ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-faq .faq-body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, 0.42);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-body a:hover,
.page-faq .faq-body a:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-gold);
}

.page-faq .faq-sub {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.45;
  color: var(--c-paper);
  margin: clamp(28px, 3.4vw, 40px) 0 12px;
  padding-left: 14px;
  border-left: 2px solid var(--c-gold);
}

.page-faq .body-tail {
  margin-bottom: 0;
  padding-top: 4px;
  color: var(--c-moss);
  font-size: 15px;
}

/* ---------- 补时时间条 ---------- */

.page-faq .timebar {
  margin: clamp(24px, 3vw, 36px) 0 clamp(28px, 3.4vw, 40px);
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(180deg, rgba(7, 31, 24, 0.86) 0%, rgba(11, 61, 46, 0.5) 100%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  display: grid;
  gap: 16px;
}

.page-faq .timebar-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.page-faq .timebar-tag {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-moss);
}

.page-faq .timebar-track {
  display: flex;
  align-items: stretch;
  height: 12px;
  gap: 3px;
  background: rgba(107, 133, 120, 0.22);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .timebar-main {
  background: rgba(199, 216, 208, 0.32);
  border-radius: var(--radius);
}

.page-faq .timebar-add {
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-cyan-deep) 100%);
  border-radius: var(--radius);
}

.page-faq .timebar-main--1 { flex: 0 0 78%; }
.page-faq .timebar-add--1 { flex: 0 0 12%; }
.page-faq .timebar-main--2 { flex: 0 0 68%; }
.page-faq .timebar-add--2 { flex: 0 0 24%; }

.page-faq .timebar-val {
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-paper);
  white-space: nowrap;
}

.page-faq .faq-figure {
  margin: clamp(28px, 3.4vw, 42px) 0 0;
  max-width: 520px;
}

/* ---------- 路径列表 ---------- */

.page-faq .path-list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-line);
}

.page-faq .path-list li {
  border-bottom: 1px solid var(--c-line);
  padding: clamp(18px, 2.2vw, 24px) 0;
}

.page-faq .path-list li p {
  margin: 12px 0 0;
}

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

/* ---------- 数据锚点 ---------- */

.page-faq .anchor-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  margin: clamp(18px, 2.4vw, 28px) 0 clamp(26px, 3.2vw, 38px);
}

.page-faq .anchor-cell {
  background: var(--c-night);
  padding: clamp(18px, 2.4vw, 26px);
  display: grid;
  gap: 8px;
}

.page-faq .anchor-cell .stat {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-cyan);
}

.page-faq .anchor-cell .stat--gold {
  color: var(--c-gold);
}

.page-faq .anchor-cell .stat-label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 术语词典 ---------- */

.page-faq .glossary {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  column-gap: clamp(24px, 4vw, 56px);
}

.page-faq .glossary-item {
  border-top: 1px solid var(--c-line);
  padding: clamp(16px, 2vw, 22px) 0;
}

.page-faq .glossary dt {
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  margin-bottom: 8px;
}

.page-faq .glossary dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 46ch;
}

/* ---------- 联系 ---------- */

.page-faq .faq-support {
  background:
    linear-gradient(180deg, rgba(11, 61, 46, 0) 0%, rgba(7, 31, 24, 0.9) 100%);
  border-top: 1px solid var(--c-line);
  padding-bottom: clamp(64px, 9vw, 110px);
}

.page-faq .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-faq .support-copy p {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-faq .support-note {
  color: var(--c-moss);
  font-size: 14.5px;
}

.page-faq .support-card {
  border-left: 2px solid var(--c-gold);
  padding: clamp(18px, 2.4vw, 28px);
  background: rgba(7, 31, 24, 0.72);
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .support-line {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-faq .support-key {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-moss);
}

.page-faq .support-val {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--c-paper);
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.support-val {
  border-bottom: 1px solid rgba(0, 229, 195, 0.42);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq a.support-val:hover,
.page-faq a.support-val:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-gold);
}

.page-faq .support-foot {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-moss);
}

.page-faq .support-foot a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 179, 71, 0.45);
}

.page-faq .support-foot a:hover,
.page-faq .support-foot a:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 动效 ---------- */

.page-faq [data-observe] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.36s var(--ease), transform 0.36s var(--ease);
}

.page-faq [data-observe].is-inview {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .glossary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-block-grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 56px);
  }

  .page-faq .faq-index {
    flex-direction: column;
    align-items: flex-start;
    position: sticky;
    top: 96px;
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-faq .faq-figure {
    max-width: 100%;
  }
}

@media (min-width: 1120px) {
  .page-faq .glossary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .glossary-item {
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }

  .page-faq .glossary dt {
    margin-bottom: 0;
  }
}

@media (max-width: 600px) {
  .page-faq .qa-item > summary {
    grid-template-columns: 34px minmax(0, 1fr) 20px;
    gap: 10px 12px;
  }

  .page-faq .disclosure-body {
    padding-left: 46px;
  }

  .page-faq .timebar-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-faq .timebar-val {
    justify-self: start;
  }

  .page-faq .support-line {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-observe] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}