/* ===== 查询指南 · 页面专属样式 ===== */
.page-faq {
  background: var(--ink);
  color: var(--paper);
  --faq-side: 272px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 22px 0 40px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(79, 209, 197, 0.14) 0%, rgba(79, 209, 197, 0) 58%),
    linear-gradient(158deg, var(--ink-deep) 0%, var(--ink) 58%, #0d3327 100%);
  border-bottom: 1px solid var(--paper-14);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .faq-hero__copy .breadcrumb {
  margin-bottom: 14px;
}

.page-faq .faq-hero__copy .lede {
  max-width: 46ch;
  color: var(--paper-70);
  margin-top: 14px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.012em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__art {
  background: linear-gradient(180deg, rgba(7, 26, 21, 0.9) 0%, rgba(63, 107, 82, 0.22) 100%);
  border: 1px solid var(--paper-14);
  border-radius: var(--r-l);
  padding: 16px;
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-map {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-m);
}

.page-faq .faq-map__route {
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  animation: faqRoute 1.4s var(--ease) 0.15s forwards;
}

.page-faq .faq-map__nodes circle {
  animation: faqNode 0.5s var(--ease) both;
}

.page-faq .faq-map__nodes circle:nth-child(2) { animation-delay: 0.32s; }
.page-faq .faq-map__nodes circle:nth-child(3) { animation-delay: 0.44s; }
.page-faq .faq-map__nodes circle:nth-child(4) { animation-delay: 0.56s; }
.page-faq .faq-map__nodes circle:nth-child(5) { animation-delay: 0.68s; }

.page-faq .faq-map__rings circle {
  transform-origin: 372px 74px;
  animation: faqPulse 3.2s var(--ease) 1s infinite;
}

.page-faq .faq-hero__artnote {
  margin: 12px 2px 2px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

@keyframes faqRoute {
  to { stroke-dashoffset: 0; }
}

@keyframes faqNode {
  from { opacity: 0; transform: scale(0.4); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes faqPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.12; }
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  padding: 18px 0;
  background: var(--ink-deep);
  border-bottom: 1px solid var(--paper-14);
}

.page-faq .faq-filter__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-filter__bar .chip {
  cursor: pointer;
  font-family: var(--font-body);
}

.page-faq .faq-filter__count {
  margin-left: auto;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--stone);
  white-space: nowrap;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: 34px 0 64px;
}

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

.page-faq .faq-index {
  background: var(--paper-08);
  border: 1px solid var(--paper-14);
  border-radius: var(--r-l);
  padding: 18px;
}

.page-faq .faq-index__title {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  letter-spacing: 0.06em;
  color: var(--paper);
  margin: 0 0 12px;
}

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

.page-faq .faq-index__list li {
  flex: 1 1 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--r-pill);
  background: var(--paper-08);
  border: 1px solid transparent;
  color: var(--paper-70);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.4;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-faq .faq-index__list a:hover .faq-index__num,
.page-faq .faq-index__list a:focus-visible .faq-index__num {
  color: var(--ink);
}

.page-faq .faq-index__num {
  font-size: 0.72rem;
  color: var(--lime);
}

/* ---------- 章节 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 104px;
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--paper-08);
}

.page-faq .faq-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .faq-section__num {
  font-size: 0.8rem;
  color: var(--lime);
  letter-spacing: 0.1em;
}

.page-faq .faq-section h2 {
  margin: 0;
  color: var(--paper);
}

.page-faq .faq-section__lead {
  max-width: 68ch;
  margin: 0 0 20px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper-70);
}

/* ---------- 步骤编号 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  background: var(--paper-08);
  border: 1px solid var(--paper-14);
  border-radius: var(--r-m);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .step:hover {
  transform: translateY(-2px);
  border-color: var(--lime-40);
}

.page-faq .step__num {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--lime);
  color: var(--lime);
  font-size: 1.05rem;
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-faq .step__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--paper-70);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

.page-faq .figure__img {
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--ink-deep);
  border: 1px solid var(--paper-14);
}

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

.page-faq .figure__cap {
  margin-top: 10px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 数据行 ---------- */
.page-faq .factrow {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .factrow__cell {
  padding: 14px 16px;
  border-radius: var(--r-m);
  background: rgba(63, 107, 82, 0.34);
  border: 1px solid var(--paper-14);
}

.page-faq .factrow__key {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-faq .factrow__val {
  margin: 0;
  font-size: 0.98rem;
  color: var(--paper);
}

/* ---------- 图例卡 ---------- */
.page-faq .legend-card {
  padding: 18px;
  margin-bottom: 24px;
  border-radius: var(--r-l);
  background: linear-gradient(180deg, rgba(7, 26, 21, 0.85) 0%, rgba(63, 107, 82, 0.28) 100%);
  border: 1px solid var(--paper-14);
}

.page-faq .legend-card__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--paper);
}

.page-faq .legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .legend__row {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: center;
  padding: 10px 4px;
  border-bottom: 1px solid var(--paper-08);
}

.page-faq .legend__row:last-child {
  border-bottom: 0;
}

.page-faq .legend__swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: block;
}

.page-faq .legend__swatch--lime { background: var(--lime); }
.page-faq .legend__swatch--pulse { background: var(--pulse); }
.page-faq .legend__swatch--amber { background: var(--amber); }
.page-faq .legend__swatch--clay { background: var(--clay); }
.page-faq .legend__swatch--stone { background: var(--stone); }

.page-faq .legend__key {
  font-size: 0.94rem;
  color: var(--paper);
}

.page-faq .legend__desc {
  grid-column: 2;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 更新时点 ---------- */
.page-faq .update-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .update-cell {
  padding: 16px;
  border-radius: var(--r-m);
  background: var(--paper-08);
  border: 1px solid var(--paper-14);
}

.page-faq .update-cell--lime {
  background: var(--lime-16);
  border-color: var(--lime-40);
}

.page-faq .update-cell__key {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-faq .update-cell__val {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .update-cell__note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--paper-70);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
}

.page-faq .faq-item[hidden],
.page-faq .faq-item.is-hidden {
  display: none;
}

.page-faq .faq-q {
  scroll-margin-top: 104px;
  border: 1px solid var(--paper-14);
  border-radius: var(--r-m);
  background: var(--paper-08);
  overflow: hidden;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-q[open],
.page-faq .faq-q:hover {
  border-color: var(--lime-40);
  background: rgba(198, 242, 78, 0.06);
}

.page-faq .faq-q summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--paper);
}

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

.page-faq .faq-q summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-q[open] summary::before {
  content: "−";
}

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

.page-faq .faq-a {
  padding: 0 18px 18px 44px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--paper-70);
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-q[open] .faq-a {
  animation: faqAnswer 0.26s var(--ease) both;
}

@keyframes faqAnswer {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 联系与行动 ---------- */
.page-faq .contact-panel {
  border: 1px solid var(--paper-14);
  border-radius: var(--r-l);
  overflow: hidden;
  margin-bottom: 20px;
}

.page-faq .contact-panel__row {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--paper-08);
  background: var(--paper-08);
}

.page-faq .contact-panel__row:last-child {
  border-bottom: 0;
}

.page-faq .contact-panel__key {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-faq .contact-panel__val {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  word-break: break-word;
  color: var(--paper);
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .factrow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .update-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .contact-panel__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 52px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
  }

  .page-faq .legend__row {
    grid-template-columns: 14px 150px minmax(0, 1fr);
  }

  .page-faq .legend__desc {
    grid-column: 3;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
    padding: 20px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-index__list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index__list a {
    border-radius: var(--r-m);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-map__route,
  .page-faq .faq-map__nodes circle,
  .page-faq .faq-map__rings circle,
  .page-faq .faq-q[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-map__route {
    stroke-dashoffset: 0;
  }

  .page-faq .step:hover {
    transform: none;
  }
}