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

.page-faq .faq-crumbbar {
  padding-block: 16px 0;
}

.page-faq .forbidden-placeholder {
  display: none;
}

/* ---------- 顶部检索 ---------- */
.page-faq .faq-lookup {
  padding: clamp(22px, 4vw, 46px) 0 clamp(44px, 6vw, 88px);
  background:
    radial-gradient(120% 90% at 8% -10%, rgba(79, 214, 192, 0.12), transparent 62%),
    radial-gradient(90% 70% at 100% 0%, rgba(198, 242, 74, 0.08), transparent 58%),
    var(--ink);
}

.page-faq .faq-lookup-grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-faq .display-title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 60px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
}

.page-faq .lede {
  margin: 0;
  max-width: 30em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--soft);
}

.page-faq .faq-search {
  margin-top: clamp(24px, 3vw, 34px);
  max-width: 620px;
}

.page-faq .faq-search-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 8px 5px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--coal);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-search-box:focus-within {
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 242, 74, 0.14);
}

.page-faq .faq-search-icon {
  flex: 0 0 auto;
  color: var(--teal);
}

.page-faq .faq-search-input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 13px 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(154, 168, 162, 0.9);
}

.page-faq .faq-search-key {
  flex: 0 0 auto;
  display: none;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--lime);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .faq-search-hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-term {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(22, 48, 42, 0.6);
  color: var(--soft);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-term:hover,
.page-faq .faq-term:focus-visible {
  border-color: rgba(198, 242, 74, 0.55);
  background: rgba(198, 242, 74, 0.09);
  color: var(--lime);
}

.page-faq .faq-lookup-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-img);
  background: var(--pine);
  aspect-ratio: 4 / 3;
}

.page-faq .faq-lookup-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) brightness(0.86) contrast(1.05);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-head {
  max-width: 660px;
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

.page-faq .section-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-faq .body-text {
  margin: 0;
  max-width: 660px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--soft);
}

.page-faq .faq-inline-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 242, 74, 0.4);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 五类索引 ---------- */
.page-faq .faq-index {
  padding: clamp(44px, 6vw, 92px) 0;
  background: var(--coal);
}

.page-faq .qgroup {
  display: grid;
  gap: 16px;
  padding-block: clamp(24px, 3.4vw, 42px);
}

.page-faq .qgroup-head {
  min-width: 0;
}

.page-faq .qgroup-num {
  display: block;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(198, 242, 74, 0.55);
}

.page-faq .qgroup-title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.1vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .qgroup-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .qgroup-list {
  min-width: 0;
}

.page-faq .fold {
  margin-bottom: 10px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: rgba(22, 48, 42, 0.46);
  overflow: hidden;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .fold[open] {
  background: var(--pine);
  border-color: rgba(198, 242, 74, 0.28);
}

.page-faq .fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  color: var(--paper);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}

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

.page-faq .fold > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .fold[open] > summary::after {
  content: "−";
}

.page-faq .fold > summary:hover {
  color: var(--lime);
}

.page-faq .fold-body {
  padding: 0 18px 16px;
  color: var(--soft);
  font-size: 15px;
  line-height: 1.75;
  animation: faq-page-in 220ms var(--ease);
}

.page-faq .fold-body p {
  margin: 0;
}

@keyframes faq-page-in {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 大屏排查 ---------- */
.page-faq .faq-screen {
  padding: clamp(44px, 6vw, 92px) 0;
  background: linear-gradient(180deg, var(--pine) 0%, var(--ink) 78%);
}

.page-faq .faq-screen-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-screen-lede {
  max-width: 620px;
}

.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(10, 31, 25, 0.66);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: rgba(79, 214, 192, 0.45);
}

.page-faq .faq-step-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .step-dot {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--mist);
  border-radius: 50%;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .step-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 10px;
  height: 5px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  opacity: 0;
  transform: rotate(-45deg) scale(0.4);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-step-input:checked ~ .step-dot {
  border-color: var(--lime);
  background: var(--lime);
}

.page-faq .faq-step-input:checked ~ .step-dot::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}

.page-faq .faq-step-input:focus-visible ~ .step-dot {
  box-shadow: 0 0 0 4px rgba(198, 242, 74, 0.24);
}

.page-faq .step-body {
  display: block;
  min-width: 0;
}

.page-faq .step-num {
  display: block;
  margin-bottom: 5px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-faq .step-title {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.page-faq .step-what {
  display: block;
  font-size: 15px;
  line-height: 1.72;
  color: var(--soft);
}

.page-faq .faq-escalate {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 18px;
  padding: 16px 20px;
  border: 1px dashed rgba(255, 107, 44, 0.45);
  border-radius: 20px;
  background: rgba(255, 107, 44, 0.07);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-steps:has(.faq-step-input:checked) + .faq-escalate {
  border-style: solid;
  border-color: rgba(198, 242, 74, 0.55);
  background: rgba(198, 242, 74, 0.08);
}

.page-faq .faq-escalate p {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-screen-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-img);
  background: var(--coal);
  aspect-ratio: 3 / 4;
}

.page-faq .faq-screen-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.82) contrast(1.08);
}

/* ---------- 注册卡点 ---------- */
.page-faq .faq-register {
  padding: clamp(44px, 6vw, 92px) 0;
  background: var(--ink);
}

.page-faq .faq-reg-cards {
  display: grid;
  gap: 16px;
}

.page-faq .faq-reg-card {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--coal);
}

.page-faq .reg-card-num {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-faq .reg-card-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .reg-card-text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--soft);
}

.page-faq .reg-card-tell {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 订阅顺序 ---------- */
.page-faq .faq-order {
  padding: clamp(44px, 6vw, 92px) 0;
  background: var(--coal);
}

.page-faq .faq-order-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-order-item {
  padding: 18px 0 0;
  border-top: 2px solid rgba(79, 214, 192, 0.34);
}

.page-faq .order-num {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.page-faq .order-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.page-faq .order-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--soft);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-contact {
  padding: clamp(44px, 6vw, 92px) 0 clamp(52px, 7vw, 104px);
  background: linear-gradient(180deg, var(--coal) 0%, var(--pine) 60%, var(--ink) 100%);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-channel {
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-card);
  background: rgba(10, 31, 25, 0.7);
  border: 1px solid rgba(42, 55, 51, 0.9);
}

.page-faq .channel-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .channel-val {
  margin: 0 0 12px;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.4;
  color: var(--lime);
  word-break: break-word;
}

.page-faq .channel-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--soft);
}

.page-faq .faq-contact-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-contact-aside {
  flex: 1 1 280px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-search-key {
    display: inline-block;
  }

  .page-faq .faq-reg-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-lookup-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }

  .page-faq .qgroup {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 46px);
  }

  .page-faq .faq-order-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 2.6vw, 34px);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-faq .faq-screen-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-faq .faq-reg-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-bottom: 46px;
  }

  .page-faq .faq-reg-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .faq-reg-card:nth-child(3) {
    margin-top: 44px;
  }
}

@media (max-width: 420px) {
  .page-faq .fold > summary {
    font-size: 14px;
    padding: 14px 15px;
  }

  .page-faq .fold-body {
    padding: 0 15px 14px;
  }

  .page-faq .faq-step {
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 12px;
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fold-body {
    animation: none;
  }

  .page-faq .faq-term,
  .page-faq .fold,
  .page-faq .faq-step,
  .page-faq .step-dot,
  .page-faq .faq-escalate {
    transition: none;
  }
}