/* ===== 问答中心 · page-faq ===== */
.page-faq {
  --faq-radius: 12px;
  --faq-line-soft: rgba(36, 50, 71, 0.72);
  --faq-rule: clamp(24px, 4vw, 46px);
}

.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero-copy {
  max-width: 780px;
}

.page-faq .faq-hero h1 {
  font-family: var(--head);
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  color: var(--text);
}

.page-faq .faq-hero .lead {
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  margin: 0;
  max-width: 66ch;
}

.page-faq .faq-hero-meta {
  display: inline-block;
  margin: 18px 0 0;
  padding: 7px 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  background: rgba(0, 240, 200, 0.07);
  border: 2px solid var(--line);
  border-radius: 999px;
}

.page-faq .faq-hero-media {
  margin-top: clamp(22px, 3.5vw, 38px);
}

.page-faq .faq-hero-media .figure-frame {
  border-radius: var(--faq-radius);
  border: 2px solid var(--line);
}

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

/* ---- 主布局：索引轨 + 答案流 ---- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-top: var(--faq-rule);
  align-items: start;
}

.page-faq .faq-rail {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  padding: 16px 14px 18px;
}

.page-faq .faq-rail .rail-title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-rail-meta {
  margin: 6px 0 14px;
  font-size: 13px;
  color: var(--violet);
  letter-spacing: 0.06em;
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index .rail-link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  font: inherit;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--muted);
  background: transparent;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index .rail-link:hover {
  color: var(--glow);
  border-color: var(--line);
}

.page-faq .faq-index .rail-link.is-current {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(0, 240, 200, 0.07);
}

.page-faq .faq-index-num {
  flex: none;
  font-size: 12px;
  color: var(--violet);
  letter-spacing: 0.08em;
}

.page-faq .faq-index .rail-link.is-current .faq-index-num {
  color: var(--cyan);
}

/* ---- 答案流 ---- */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-section-num {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--head);
  font-size: clamp(21px, 2.8vw, 29px);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text);
}

.page-faq .faq-section-lede {
  margin: 14px 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

/* ---- 手风琴条目 ---- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  transform: scaleY(0);
  transform-origin: center top;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.3, 1);
  z-index: 1;
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  box-shadow: var(--hard);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item:target {
  border-color: var(--cyan);
  box-shadow: var(--hard);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px 15px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  transition: color 0.2s ease;
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-item[open] .faq-q {
  color: var(--glow);
}

.page-faq .faq-q-num {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--violet);
}

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

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q-icon {
  flex: none;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
  border: 2px solid var(--line);
  border-radius: 6px;
  transition: transform 0.28s ease, border-color 0.2s ease;
}

.page-faq .faq-item[open] .faq-q-icon {
  transform: rotate(45deg);
  border-color: var(--cyan);
}

.page-faq .faq-a {
  padding: 16px 20px 20px;
  border-top: 1px dashed var(--line);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-a strong {
  color: var(--text);
  font-weight: 600;
}

/* ---- 步骤列表 ---- */
.page-faq .faq-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-step {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 12px;
  background: var(--layer);
  border: 1px solid var(--faq-line-soft);
  border-radius: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-step-num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-steps--wide .faq-step {
  padding: 12px 14px;
  background: rgba(16, 24, 38, 0.85);
}

/* ---- 联系信息行 ---- */
.page-faq .faq-contact-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-contact-key {
  flex: none;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
  min-width: 52px;
}

.page-faq .faq-copy {
  border: 2px solid var(--line);
  background: var(--layer);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 7px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-copy:hover {
  border-color: var(--cyan);
  color: var(--glow);
}

.page-faq .faq-copy.is-copied {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 240, 200, 0.1);
}

.page-faq .faq-hours {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-faq .faq-hours .figure-frame {
  border-radius: var(--faq-radius);
  border: 2px solid var(--line);
}

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

/* ---- 收尾卡 ---- */
.page-faq .faq-section--end {
  margin-bottom: clamp(30px, 6vw, 70px);
}

.page-faq .faq-end-card {
  position: relative;
  padding: clamp(22px, 4vw, 38px);
  background: linear-gradient(150deg, rgba(122, 92, 255, 0.14), rgba(11, 16, 24, 0.96) 58%);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--hard-violet);
  overflow: hidden;
}

.page-faq .faq-end-card::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(255, 107, 44, 0.28);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-end-card h2 {
  margin: 12px 0 18px;
  font-family: var(--head);
  font-size: clamp(21px, 3vw, 30px);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text);
  max-width: 26ch;
}

.page-faq .faq-end-note {
  margin: 16px 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 桌面端 ---- */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 56px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    background: none;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 4px 0 4px 18px;
  }

  .page-faq .faq-rail-meta {
    margin-bottom: 16px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
  }
}

/* ---- 窄屏收敛 ---- */
@media (max-width: 560px) {
  .page-faq .faq-q {
    align-items: flex-start;
    padding: 14px 14px 14px 16px;
    font-size: 15.5px;
  }

  .page-faq .faq-q-icon {
    margin-top: 1px;
  }

  .page-faq .faq-a {
    padding: 14px 16px 18px;
    font-size: 15px;
  }

  .page-faq .faq-contact-list li {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .page-faq .faq-copy {
    width: 100%;
    text-align: left;
    word-break: break-all;
  }

  .page-faq .faq-end-card::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-q-icon,
  .page-faq .faq-item,
  .page-faq .faq-index .rail-link,
  .page-faq .faq-copy {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>