/* ===== 问答中心 page-faq 专属样式 ===== */
.page-faq {
  --faq-gap: 24px;
  --faq-radius: 2px;
  background: var(--color-navy);
  color: var(--color-ivory);
  overflow-x: hidden;
}

.page-faq a {
  color: inherit;
  text-decoration: none;
}

/* --- Hero 首屏 --- */
.page-faq__hero {
  position: relative;
  padding: 2.5rem 0 3rem;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-midnight) 60%, #0f1e38 100%);
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(57,255,20,0.03) 0 2px, transparent 2px 6px);
  pointer-events: none;
}

.page-faq__hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-faq__overline {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--color-gold);
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  border: 1px solid rgba(242,183,5,0.35);
  padding: 0.35rem 0.8rem;
  margin-bottom: 1.25rem;
}

.page-faq__overline::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--color-neon);
  display: inline-block;
  box-shadow: 0 0 12px var(--color-neon);
}

.page-faq__hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--color-ivory);
  text-wrap: balance;
}

.page-faq__lead {
  color: #c3cadb;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 60ch;
}

.page-faq__hero-aside {
  display: flex;
  justify-content: center;
}

.page-faq__clock {
  background: var(--color-navy);
  border: 1px solid rgba(242,183,5,0.35);
  padding: 1.5rem;
  text-align: center;
  position: relative;
  min-width: 240px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq__clock::after {
  content: "";
  position: absolute;
  width: 72%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-neon), var(--color-cyan));
  bottom: 8px;
  left: 14%;
}

.page-faq__clock-dot {
  display: block;
  width: 16px;
  height: 16px;
  margin: 0 auto 0.5rem;
  background: var(--color-neon);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--color-neon);
  animation: page-faq-pulse 2s ease-in-out infinite;
}

@keyframes page-faq-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.15); }
}

.page-faq__clock-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--color-mist);
  font-family: var(--font-mono);
}

.page-faq__clock-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 3.6rem;
  line-height: 1.1;
  color: var(--color-gold);
  margin: 0.25rem 0;
  letter-spacing: 0.04em;
}

.page-faq__clock-zone {
  font-size: 0.85rem;
  color: var(--color-mist);
}

/* --- 快速帮助分类 --- */
.page-faq__categories {
  padding: 2.25rem 0 3rem;
  background: var(--color-navy);
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading__kicker {
  color: var(--color-gold);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.section-heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--color-ivory);
  margin-bottom: 0.6rem;
}

.section-lead {
  color: #aeb9d0;
  max-width: 60ch;
}

.page-faq__cat-image {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid rgba(242,183,5,0.28);
  margin-bottom: 1.5rem;
  position: relative;
  background: var(--color-midnight);
}

.page-faq__cat-image::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(0,229,255,0.2);
  pointer-events: none;
}

.page-faq__cat-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-faq__cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq__cat-card {
  position: relative;
  padding: 1.25rem;
  background: var(--color-midnight);
  border-left: 3px solid var(--color-gold);
  transition: transform 0.35s var(--ease-out), background 0.35s;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-faq__cat-card:hover {
  transform: translateY(-4px) rotate(-0.6deg);
  background: #21325a;
}

.page-faq__cat-card .cat-tag {
  align-self: flex-start;
}

.dossier-card__title {
  font-family: var(--font-sub);
  font-size: 1.35rem;
  color: var(--color-ivory);
}

.dossier-card__meta {
  font-family: var(--font-body);
  color: var(--color-mist);
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-faq__cat-link {
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* --- 高频问题 FAQ --- */
.page-faq__faq {
  padding: 2.5rem 0 3.5rem;
  background: var(--color-ivory);
  color: var(--color-ink);
}

.page-faq__faq .section-heading h2 {
  color: var(--color-ink);
}

.page-faq__faq .section-lead {
  color: #4b5563;
}

.page-faq__faq .cat-tag {
  background: var(--color-navy);
  color: var(--color-ivory);
  border-color: transparent;
}

.page-faq__faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.page-faq__faq-filter .cat-tag {
  padding: 0.4rem 0.9rem;
}

.page-faq__faq-group {
  margin-bottom: 2.5rem;
}

.page-faq__group-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.page-faq__group-head h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.page-faq__group-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(27,42,74,0.3), transparent);
}

.page-faq__faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-faq__faq-item {
  background: #fff;
  border: 1px solid #e0d9cc;
  border-left: 3px solid var(--color-gold);
  box-shadow: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.page-faq__faq-item[open] {
  border-left-color: var(--color-neon);
}

.page-faq__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.1rem;
  display: flex;
  gap: 0.8rem;
  align-items: center;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-ink);
}

.page-faq__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq__faq-num {
  font-family: var(--font-heading);
  color: var(--color-gold);
  font-weight: 700;
  font-size: 1.1rem;
  flex: 0 0 auto;
}

.page-faq__faq-q {
  flex: 1;
}

.page-faq__faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-cyan);
  transition: transform 0.2s;
}

.page-faq__faq-item[open] summary::after {
  content: "–";
  color: var(--color-neon);
}

.page-faq__faq-answer {
  padding: 0 1.1rem 1.2rem 2.8rem;
  color: var(--color-ink);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-faq__faq-answer p {
  margin: 0 0 0.5rem;
}

/* --- 自助服务工具 --- */
.page-faq__tools {
  padding: 2.5rem 0 3rem;
  background: var(--color-navy);
}

.page-faq__tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

.page-faq__tool-card {
  background: var(--color-midnight);
  border: 1px solid rgba(0,229,255,0.18);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.page-faq__tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 66px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-neon));
}

.page-faq__tool-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-ivory);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.page-faq__tool-desc {
  color: var(--color-mist);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.page-faq__checker-label {
  font-family: var(--font-mono);
  color: var(--color-cyan);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}

.page-faq__checker-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 0.5rem;
  background: rgba(10,17,40,0.35);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.page-faq__checker-option:hover {
  border-color: rgba(242,183,5,0.6);
  background: rgba(242,183,5,0.08);
}

.page-faq__checker-option input {
  accent-color: var(--color-gold);
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.page-faq__checker-option label {
  color: var(--color-ivory);
  font-size: 0.95rem;
  cursor: pointer;
}

.page-faq__checker-result {
  margin-top: 1rem;
  border: 1px solid rgba(57,255,20,0.4);
  background: rgba(10,17,40,0.6);
  padding: 1rem;
}

.page-faq__checker-item {
  display: none;
}

.page-faq input[value="entry"]:checked ~ .page-faq__checker-result .page-faq__checker-item--entry,
.page-faq input[value="budget"]:checked ~ .page-faq__checker-result .page-faq__checker-item--budget,
.page-faq input[value="mainstream"]:checked ~ .page-faq__checker-result .page-faq__checker-item--mainstream {
  display: block;
}

.page-faq__checker-item h4 {
  color: var(--color-neon);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0.1em;
}

.page-faq__checker-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.3rem;
}

.page-faq__checker-item li {
  color: #d3d9e6;
  font-size: 0.9rem;
  padding-left: 1rem;
  position: relative;
}

.page-faq__checker-item li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--color-cyan);
}

.page-faq__tool-media {
  margin-top: 1.25rem;
}

.page-faq__tool-card--clock {
  background: linear-gradient(145deg, var(--color-midnight), #0f1e38);
}

.page-faq__clock-large {
  text-align: center;
  border: 1px solid rgba(242,183,5,0.3);
  padding: 2rem 1rem;
  background: rgba(10,17,40,0.6);
  position: relative;
  margin: 1.25rem 0;
}

.page-faq__clock-large::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed rgba(0,229,255,0.4);
  pointer-events: none;
}

.page-faq__clock-large-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 3.4rem;
  color: var(--color-gold);
  letter-spacing: 0.04em;
  position: relative;
}

.page-faq__clock-large-unit {
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
}

.page-faq__clock-large-state {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.8rem;
  color: var(--color-neon);
  font-size: 0.85rem;
}

.page-faq__clock-large-state::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--color-neon);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-neon);
}

.page-faq__clock-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-mist);
  font-family: var(--font-mono);
}

.page-faq__clock-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.page-faq__clock-legend span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-gold);
}

.page-faq__tool-link {
  margin-top: 1rem;
}

/* --- 仍未找到答案 --- */
.page-faq__more {
  background: var(--color-ivory);
  color: var(--color-ink);
  padding: 2.5rem 0;
}

.page-faq__more-box {
  border: 1px solid #d6cdbc;
  background: #fff;
  padding: 2rem 1.5rem;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.page-faq__more-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 4px;
  width: 180px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-neon), var(--color-cyan));
}

.page-faq__more-box h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.page-faq__more-box p {
  color: #4b5563;
  margin-bottom: 1.25rem;
}

/* --- 桌面 & 平板响应 --- */
@media (min-width: 720px) {
  .page-faq__hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-faq__cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq__faq-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq__tools-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-faq__cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq__hero {
    padding: 3.5rem 0 4rem;
  }

  .page-faq__tools-grid {
    gap: 2rem;
  }
}