.page-faq {
  --faq-target: 70ch;
}

.page-faq .breadcrumbs {
  margin: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 18px 0 46px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -100px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 242, 216, 0.16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(46, 242, 216, 0.55), transparent);
}

.page-faq .hero-grid {
  position: relative;
  display: grid;
  gap: 28px;
  align-items: start;
}

@media (min-width: 980px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.8fr);
    gap: 48px;
  }
}

.page-faq .faq-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(27px, 5.4vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 18px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-faq .lede {
  margin: 18px 0 0;
  max-width: var(--faq-target);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .hero-side {
  border-radius: var(--r-lg);
  border: 1px solid var(--glass-line);
  background: linear-gradient(160deg, rgba(46, 242, 216, 0.1), rgba(255, 255, 255, 0.03) 58%);
  padding: 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-faq .hero-side-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .hero-stat .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-faq .hero-stat .stat-label {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .hero-side-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 通用小标题 ---------- */
.page-faq .sec-head {
  max-width: var(--faq-target);
  margin-bottom: 24px;
}

.page-faq .sec-head h2 {
  margin: 0 0 10px;
  font-size: clamp(21px, 3.6vw, 28px);
  line-height: 1.3;
  font-weight: 700;
}

.page-faq .sec-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 高频卡点 ---------- */
.page-faq .quick-list {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .page-faq .quick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .quick-item {
  display: block;
  padding: 18px 18px 20px;
  border-radius: var(--r-md);
  background: var(--field);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  text-decoration: none;
  color: inherit;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.page-faq .quick-item:hover,
.page-faq .quick-item:focus-visible {
  transform: translateY(-3px);
  border-left-color: var(--orange);
  box-shadow: 0 24px 46px -32px rgba(46, 242, 216, 0.85);
}

.page-faq .quick-item .quick-title {
  display: block;
  margin: 12px 0 7px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
}

.page-faq .quick-item .quick-text {
  display: block;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 配图 ---------- */
.page-faq .faq-fig {
  margin: 0 0 30px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--field);
  overflow: hidden;
}

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

.page-faq .faq-fig figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* ---------- 手册主体：索引 + 问答 ---------- */
.page-faq .doc-shell {
  display: grid;
  gap: 28px;
}

@media (min-width: 1020px) {
  .page-faq .doc-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .doc-index {
    position: sticky;
    top: calc(var(--hdr-h) + 20px);
  }
}

.page-faq .doc-index {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

@media (min-width: 1020px) {
  .page-faq .doc-index {
    border-top: none;
    border-left: 2px solid var(--cyan);
    padding: 2px 0 0 16px;
  }
}

.page-faq .index-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

@media (min-width: 1020px) {
  .page-faq .index-list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-faq .index-link {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.page-faq .index-link:hover,
.page-faq .index-link:focus-visible {
  color: var(--cream);
  border-color: var(--cyan);
  background: rgba(46, 242, 216, 0.08);
}

@media (min-width: 1020px) {
  .page-faq .index-link {
    border-radius: 8px;
    border-color: transparent;
    padding: 8px 10px;
  }
}

.page-faq .doc-aside-links {
  margin: 18px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-faq .doc-aside-links a {
  display: block;
  padding: 4px 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
  text-decoration: none;
}

.page-faq .doc-aside-links a:hover,
.page-faq .doc-aside-links a:focus-visible {
  color: var(--cyan);
}

/* ---------- 问答分类 ---------- */
.page-faq .qa-cat {
  margin-bottom: 34px;
  scroll-margin-top: calc(var(--hdr-h) + 24px);
}

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

.page-faq .qa-cat-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-cat-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .qa-cat-head h3 {
  margin: 0;
  font-size: 18.5px;
  line-height: 1.4;
  font-weight: 700;
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--field);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-faq .qa[open] {
  border-color: rgba(255, 106, 31, 0.6);
  box-shadow: inset 3px 0 0 var(--orange), 0 22px 46px -36px rgba(255, 106, 31, 0.95);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--cream);
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -3px;
}

.page-faq .qa-title {
  flex: 1 1 auto;
}

.page-faq .qa-mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.page-faq .qa-mark::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .qa-mark::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

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

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

.page-faq .qa-body {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--line);
}

.page-faq .qa-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 旧版入口路径 ---------- */
.page-faq .path-svg-wrap {
  margin: 0 0 30px;
  padding: 18px 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(18, 34, 77, 0.92), rgba(10, 20, 48, 0.72));
  overflow-x: auto;
}

.page-faq .path-svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.page-faq .path-shell {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-faq .path-shell {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: start;
  }
}

.page-faq .path-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .path-step {
  display: flex;
  gap: 14px;
  padding: 15px 16px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-left: 3px solid rgba(46, 242, 216, 0.45);
}

.page-faq .path-step-num {
  flex: 0 0 auto;
  padding-top: 1px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .path-step h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  line-height: 1.5;
}

.page-faq .path-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-fig-tall {
  margin-bottom: 0;
}

/* ---------- 订阅与数据流程 ---------- */
.page-faq .flow-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 78%);
  gap: 12px;
  margin: 0 0 28px;
  padding: 4px 2px 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

@media (min-width: 900px) {
  .page-faq .flow-rail {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    overflow: visible;
    padding-bottom: 4px;
  }
}

.page-faq .flow-item {
  scroll-snap-align: start;
  padding: 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--field);
}

.page-faq .flow-item::before {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  margin-bottom: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-faq .flow-item h3 {
  margin: 0 0 7px;
  font-size: 15px;
  line-height: 1.45;
}

.page-faq .flow-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .subs-notes .card {
  padding: 20px;
  border-radius: var(--r-md);
}

.page-faq .subs-notes .card h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  line-height: 1.45;
}

.page-faq .subs-notes .card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .subs-notes .card p:last-child {
  margin-bottom: 0;
}

.page-faq .link-inline {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 216, 0.45);
  padding-bottom: 1px;
}

.page-faq .link-inline:hover,
.page-faq .link-inline:focus-visible {
  color: var(--orange);
  border-bottom-color: rgba(255, 106, 31, 0.6);
}

/* ---------- 还没解决 ---------- */
.page-faq .help-panel {
  display: grid;
  gap: 24px;
  padding: 26px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(30, 79, 168, 0.62);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(30, 79, 168, 0.5), transparent 62%),
    var(--field);
}

@media (min-width: 900px) {
  .page-faq .help-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    padding: 34px;
  }
}

.page-faq .help-panel-main h2 {
  margin: 0 0 12px;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.32;
}

.page-faq .help-panel-main p {
  margin: 0 0 20px;
  max-width: var(--faq-target);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .help-facts {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-faq .help-facts > div {
  padding-left: 14px;
  border-left: 2px solid rgba(46, 242, 216, 0.4);
}

.page-faq .help-facts dt {
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .help-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--cream);
  word-break: break-word;
}

/* ---------- 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    animation: none !important;
  }
}