.page-faq {
  --faq-gap: clamp(3rem, 6vw, 4.5rem);
  --faq-card-bg: rgba(27, 27, 58, .55);
  --faq-ink-soft: #4A3F33;
  background: var(--void);
  color: var(--starlight);
  overflow-x: clip;
}

/* ---------- 通用排版 ---------- */
.page-faq h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--cream);
  margin: 0 0 1rem;
}

.page-faq h3 {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.35;
  letter-spacing: .01em;
  margin: 0 0 .6rem;
}

.page-faq p {
  line-height: 1.75;
  margin: 0 0 1rem;
}

.page-faq .lede {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.72;
  max-width: 42em;
}

.page-faq a {
  color: var(--cyan);
  text-decoration-color: rgba(62, 230, 196, .45);
  text-underline-offset: 3px;
  transition: color .22s var(--ease), text-decoration-color .22s var(--ease);
}

.page-faq a:hover,
.page-faq a:focus-visible {
  color: var(--gold);
  text-decoration-color: rgba(245, 197, 66, .6);
}

.page-faq .section-head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .section-head h2 {
  margin-bottom: .85rem;
}

.page-faq .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(3rem, 6vw, 4.5rem);
  background:
    radial-gradient(58% 68% at 84% 20%, rgba(75, 63, 158, .58), transparent 64%),
    radial-gradient(46% 54% at 6% 90%, rgba(62, 230, 196, .10), transparent 72%),
    var(--void);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-darker) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-darker) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(72% 62% at 50% 42%, #000 10%, transparent 80%);
  mask-image: radial-gradient(72% 62% at 50% 42%, #000 10%, transparent 80%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  list-style: none;
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  padding: 0;
  font-size: .8125rem;
  color: var(--dust);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: .5rem;
  opacity: .6;
}

.page-faq .breadcrumb__list a {
  color: var(--mint);
  text-decoration: none;
}

.page-faq .breadcrumb__list a:hover {
  color: var(--cyan);
  text-decoration: underline;
}

.page-faq .breadcrumb__list [aria-current="page"] {
  color: var(--dust);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: .012em;
  color: var(--cream);
  margin: 0 0 1.1rem;
}

.page-faq .faq-hero__copy .lede {
  color: var(--mist);
}

.page-faq .faq-hero .star-rule {
  margin: 0 0 1.25rem;
}

.page-faq .faq-hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 1.6rem 0 0;
  padding: 0;
}

.page-faq .faq-hero__chips .chip {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .02em;
  padding: .45rem .85rem;
  border-radius: 999px;
  border: 1px solid var(--line-dark);
  background: rgba(62, 230, 196, .07);
  color: var(--mint);
}

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

/* ---------- 区块节奏 ---------- */
.page-faq .faq-section {
  padding: var(--faq-gap) 0;
}

.page-faq .faq-section--paper {
  background: var(--cream);
  color: var(--ink);
}

.page-faq .faq-section--paper .eyebrow {
  color: var(--gold-deep);
}

.page-faq .faq-section--paper h2 {
  color: var(--ink);
}

.page-faq .faq-section--paper .lede,
.page-faq .faq-section--paper p {
  color: var(--faq-ink-soft);
}

.page-faq .faq-section--paper a {
  color: var(--galactic);
  text-decoration-color: rgba(75, 63, 158, .4);
}

.page-faq .faq-section--paper a:hover,
.page-faq .faq-section--paper a:focus-visible {
  color: var(--vermilion);
  text-decoration-color: rgba(196, 71, 43, .5);
}

.page-faq .faq-section--dark {
  background:
    radial-gradient(60% 70% at 14% 8%, rgba(75, 63, 158, .34), transparent 66%),
    var(--void);
}

/* ---------- 高频问题：目录 + 分段切换 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-toc {
  border-left: 2px solid var(--line-paper);
  padding-left: 1.1rem;
}

@media (min-width: 1024px) {
  .page-faq .faq-toc {
    position: sticky;
    top: 6.5rem;
  }
}

.page-faq .faq-toc__title {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 .9rem;
}

.page-faq .faq-toc ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
  margin: 0;
  padding: 0;
}

@media (min-width: 1024px) {
  .page-faq .faq-toc ul {
    flex-direction: column;
    gap: .6rem;
  }
}

.page-faq .faq-toc a {
  display: inline-block;
  font-size: .9375rem;
  color: var(--faq-ink-soft);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  padding-bottom: 2px;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--galactic);
  border-bottom-color: var(--galactic);
}

.page-faq .faq-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  padding: .4rem;
  margin: 0 0 1.6rem;
  border: 1px solid var(--line-paper);
  border-radius: 999px;
  background: rgba(42, 33, 24, .05);
}

.page-faq .faq-tabs .tabs__tab {
  position: relative;
  flex: 1 1 8.5rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem .9rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--faq-ink-soft);
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background .22s var(--ease), color .22s var(--ease);
}

.page-faq .faq-tabs .tabs__tab:hover {
  background: rgba(75, 63, 158, .1);
  color: var(--galactic);
}

.page-faq .faq-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--galactic);
  outline-offset: 2px;
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"] {
  background: var(--nebula);
  color: var(--cream);
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -.3rem;
  width: 2.4rem;
  height: 2px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  box-shadow: 0 0 10px rgba(62, 230, 196, .7);
  animation: faq-pulse 5s ease-in-out infinite;
}

@keyframes faq-pulse {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}

.page-faq .faq-tabs__num {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--gold-deep);
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"] .faq-tabs__num {
  color: var(--gold);
}

.page-faq .faq-tabs .tabs__panel[hidden] {
  display: none;
}

.page-faq .faq-tabs .tabs__panel {
  padding: clamp(1.25rem, 3vw, 1.9rem) clamp(1.15rem, 2.6vw, 1.75rem);
  border: 1px solid var(--line-paper);
  border-top: 3px solid var(--galactic);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .45);
}

.page-faq .faq-tabs .tabs__panel:focus-visible {
  outline: 2px solid var(--galactic);
  outline-offset: 2px;
}

.page-faq .faq-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: .75rem;
}

.page-faq .faq-panel__head h3 {
  color: var(--ink);
  margin: 0;
}

.page-faq .faq-panel__tag {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  padding: .24rem .6rem;
  border-radius: var(--radius);
  background: rgba(196, 71, 43, .1);
  border: 1px solid rgba(196, 71, 43, .35);
  color: var(--vermilion);
}

.page-faq .step-track {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0 0 0 2.1rem;
  position: relative;
}

.page-faq .step-track::before {
  content: "";
  position: absolute;
  left: .72rem;
  top: .55rem;
  bottom: .6rem;
  width: 1px;
  background: linear-gradient(180deg, var(--galactic), rgba(75, 63, 158, .1));
}

.page-faq .step-track li {
  counter-increment: step;
  position: relative;
  padding-bottom: 1.05rem;
  font-size: .9688rem;
  line-height: 1.7;
  color: #3B322A;
}

.page-faq .step-track {
  counter-reset: step;
}

.page-faq .step-track li:last-child {
  padding-bottom: 0;
}

.page-faq .step-track li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -2.1rem;
  top: .08rem;
  width: 1.45rem;
  height: 1.45rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--galactic);
  background: var(--cream);
  color: var(--galactic);
  font-family: var(--font-mono);
  font-size: .625rem;
  font-weight: 600;
  box-shadow: 0 0 0 3px var(--cream);
}

.page-faq .faq-tabs__foot {
  margin: 1.6rem 0 0;
  font-size: .9375rem;
  color: var(--faq-ink-soft);
}

/* ---------- 按场景找答案 ---------- */
.page-faq .faq-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.5rem);
}

@media (min-width: 860px) {
  .page-faq .faq-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-scene {
  position: relative;
  z-index: 0;
  padding: var(--pad-card);
  border-radius: var(--radius);
  border: 1px solid var(--line-paper);
  background: var(--cream);
  color: var(--ink);
  box-shadow:
    6px 6px 0 0 rgba(75, 63, 158, .38),
    12px 12px 0 0 rgba(75, 63, 158, .16);
}

.page-faq .faq-scene__kicker {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--gold-deep);
  margin: 0 0 .7rem;
}

.page-faq .faq-scene h3 {
  color: var(--ink);
  margin-bottom: .55rem;
}

.page-faq .faq-scene__brief {
  font-size: .9375rem;
  color: var(--faq-ink-soft);
  margin-bottom: 1rem;
}

.page-faq .faq-scene__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.page-faq .faq-scene__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: .9375rem;
  line-height: 1.68;
  color: #3B322A;
}

.page-faq .faq-scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(62, 230, 196, .8);
}

/* ---------- 排查顺序 ---------- */
.page-faq .faq-troubleshoot {
  background:
    radial-gradient(70% 80% at 78% 12%, rgba(75, 63, 158, .45), transparent 68%),
    linear-gradient(180deg, var(--nebula), var(--void) 78%);
}

.page-faq .trouble-track {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  margin: 0 0 clamp(2rem, 4vw, 3rem);
  padding: 0;
}

@media (min-width: 900px) {
  .page-faq .trouble-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

.page-faq .trouble-track li {
  position: relative;
  padding: 1.4rem 1.2rem 1.25rem;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--faq-card-bg);
}

.page-faq .trouble-track li::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, var(--cyan), rgba(62, 230, 196, .05));
}

@media (min-width: 900px) {
  .page-faq .trouble-track li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.3rem;
    right: -.9rem;
    width: 1.8rem;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), rgba(62, 230, 196, 0));
    opacity: .65;
  }
}

.page-faq .trouble-track__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--gold);
  margin-bottom: .6rem;
}

.page-faq .trouble-track h3 {
  color: var(--cream);
  font-size: 1.0625rem;
  margin-bottom: .5rem;
}

.page-faq .trouble-track p {
  font-size: .9063rem;
  line-height: 1.7;
  color: var(--mist);
  margin: 0;
}

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

/* ---------- 对照入口说明 ---------- */
.page-faq .compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

@media (min-width: 980px) {
  .page-faq .compare-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

.page-faq .compare-points {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.page-faq .compare-points li {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  padding: .8rem .95rem;
  border: 1px solid var(--line-paper);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .5);
  font-size: .9375rem;
  line-height: 1.68;
  color: #3B322A;
}

.page-faq .compare-points__key {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--nebula);
  color: var(--gold);
  font-size: .75rem;
  font-weight: 600;
}

.page-faq .compare-copy__tail {
  margin-top: 1.3rem;
}

.page-faq .compare-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-paper);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .55);
  padding: .35rem;
}

.page-faq .compare-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: .9063rem;
}

.page-faq .compare-table caption {
  text-align: left;
  padding: .75rem .85rem .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.page-faq .compare-table th,
.page-faq .compare-table td {
  padding: .78rem .85rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-paper);
  color: #3B322A;
}

.page-faq .compare-table thead th {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--gold-deep);
  border-bottom: 2px solid rgba(42, 33, 24, .55);
}

.page-faq .compare-table tbody tr:nth-child(even) {
  background: rgba(217, 211, 240, .38);
}

.page-faq .compare-table tbody th[scope="row"] {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .compare-table__diff {
  color: var(--vermilion);
  font-weight: 700;
}

/* ---------- 转人工 ---------- */
.page-faq .faq-section--human {
  background:
    radial-gradient(58% 70% at 22% 12%, rgba(75, 63, 158, .4), transparent 68%),
    radial-gradient(40% 50% at 88% 88%, rgba(62, 230, 196, .12), transparent 72%),
    var(--void);
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.page-faq .human-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

@media (min-width: 980px) {
  .page-faq .human-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-faq .human-copy .lede {
  color: var(--mist);
}

.page-faq .human-copy p {
  color: var(--mist);
}

.page-faq .human-copy__notes {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.page-faq .human-copy__notes li {
  position: relative;
  padding-left: 1.3rem;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--starlight);
}

.page-faq .human-copy__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6rem;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  box-shadow: 0 0 8px rgba(62, 230, 196, .7);
}

.page-faq .human-card {
  padding: var(--pad-card);
  border-radius: var(--radius);
}

.page-faq .human-card__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 .35rem;
}

.page-faq .human-card__value {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  line-height: 1.5;
  color: var(--cream);
  margin: 0 0 1.25rem;
  word-break: break-word;
}

.page-faq .human-card__value:last-of-type {
  margin-bottom: .9rem;
}

.page-faq .human-card__note {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--dust);
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-dark);
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tabs .tabs__tab[aria-selected="true"]::after {
    animation: none;
    opacity: 1;
  }

  .page-faq * {
    transition-duration: .01ms !important;
  }
}