/* ================= page-faq ================= */
.page-faq {
  --faq-gap: clamp(16px, 2.2vw, 26px);
  --faq-rail-w: 236px;
  position: relative;
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-faq section[id],
.page-faq #privacy {
  scroll-margin-top: 112px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  margin: clamp(20px, 4vw, 34px) 0 clamp(16px, 3vw, 26px);
  font-size: 13px;
}

.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--graphite);
}

.page-faq .faq-crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  max-width: 900px;
}

.page-faq .faq-head__eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid var(--edge-strong);
  border-radius: 999px;
}

.page-faq .faq-head .page-head__title {
  margin: 0 0 22px;
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-head__lede {
  margin: 0 0 28px;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-head__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--divider);
  font-size: 14px;
  color: var(--graphite);
}

.page-faq .faq-head__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-head__facts .mono {
  font-size: 17px;
  font-weight: 700;
  color: var(--neon);
}

/* ---------- 主图 ---------- */
.page-faq .faq-visual {
  margin: clamp(32px, 5vw, 56px) 0 clamp(52px, 8vw, 100px);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-deep);
  box-shadow: var(--stack);
}

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

.page-faq .faq-visual .media__cap {
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  border-top: 1px solid var(--divider);
}

/* ---------- 六类场景 ---------- */
.page-faq .faq-cats .section__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-cat {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 22px 20px;
  text-decoration: none;
  background: linear-gradient(158deg, var(--panel) 0%, var(--panel-deep) 100%);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--stack);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  transform: translateY(-2px);
  border-color: var(--edge-strong);
  box-shadow: var(--stack-hover);
  outline: none;
}

.page-faq .faq-cat__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.09);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 12px;
  transition: border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.page-faq .faq-cat:hover .faq-cat__icon,
.page-faq .faq-cat:focus-visible .faq-cat__icon {
  color: var(--neon-hi);
  border-color: rgba(255, 162, 75, 0.6);
}

.page-faq .faq-cat__icon svg {
  display: block;
  width: 22px;
  height: 22px;
}

.page-faq .faq-cat__main {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-faq .faq-cat__name {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-cat__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-faq .faq-cat__count {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}

.page-faq .faq-cat__unit {
  margin-left: 3px;
  font-size: 12px;
  font-weight: 400;
  color: var(--graphite);
}

/* ---------- 高频问题：两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-rail {
  padding: 18px 16px;
  background: var(--panel-deep);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
}

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--graphite);
}

.page-faq .faq-rail__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail__link .mono {
  font-size: 12px;
  color: var(--graphite);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--panel);
  color: var(--cyan);
  border-left-color: var(--neon);
  outline: none;
}

.page-faq .faq-rail__link:focus-visible {
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.62);
}

/* ---------- 过滤框 ---------- */
.page-faq .faq-filter {
  margin-bottom: 22px;
  padding: 20px;
  background: linear-gradient(132deg, rgba(255, 107, 26, 0.09), rgba(34, 211, 238, 0.07));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
}

.page-faq .faq-filter__label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-filter__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-filter__input::placeholder {
  color: var(--graphite);
}

.page-faq .faq-filter__input:focus-visible {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.28);
}

.page-faq .faq-filter__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-item {
  margin: 0;
}

.page-faq .faq-acc {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  box-shadow: 3px 3px 0 0 #04070d;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-acc[open] {
  border-color: var(--edge-strong);
  box-shadow: 4px 5px 0 0 #04070d;
}

.page-faq .faq-acc__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-sm);
}

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

.page-faq .faq-acc__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-acc__q {
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-acc[open] .faq-acc__q {
  color: var(--neon-hi);
}

.page-faq .faq-acc__tag {
  white-space: nowrap;
}

.page-faq .faq-acc__summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-acc[open] .faq-acc__summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-faq .faq-acc__body {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--divider);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-step__num {
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}

.page-faq .faq-step__txt {
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-steps--wide .faq-step__num {
  font-size: 22px;
}

/* ---------- 深度章节 ---------- */
.page-faq .faq-deep {
  margin-top: clamp(52px, 8vw, 100px);
}

.page-faq .faq-deep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-deep__body h3 {
  margin: 26px 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-deep__body h3:first-child {
  margin-top: 0;
}

.page-faq .faq-deep__body p {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-deep__body .faq-steps {
  margin-top: 14px;
}

.page-faq .faq-deep__fig {
  margin: 0;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-deep);
  box-shadow: var(--stack);
}

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

.page-faq .faq-deep__fig .media__cap {
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  border-top: 1px solid var(--divider);
}

/* ---------- 检索场景 ---------- */
.page-faq .faq-cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-case {
  padding: 24px 22px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--stack);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-faq .faq-case:hover {
  transform: translateY(-2px);
  border-color: var(--edge-strong);
}

.page-faq .faq-case h3 {
  margin: 14px 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-case p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-tips {
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(118deg, rgba(255, 107, 26, 0.1), rgba(34, 211, 238, 0.06));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
}

.page-faq .faq-tips__title {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

/* ---------- 约玩 ---------- */
.page-faq .faq-squad__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-faq .faq-squad__steps h3 {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-squad__note {
  padding: 24px 22px;
  background: var(--panel-deep);
  border: 1px solid var(--divider);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
}

.page-faq .faq-squad__note-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-squad__note p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 账号与隐私 ---------- */
.page-faq .faq-security__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-security__col {
  padding: 24px 22px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--stack);
}

.page-faq .faq-security__col h3 {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .faq-security__col p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-bullets {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-security__more {
  margin: 0;
}

.page-faq .faq-security__more a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-security__more a:hover,
.page-faq .faq-security__more a:focus-visible {
  color: var(--neon-hi);
  border-color: var(--neon-hi);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(52px, 8vw, 100px);
}

.page-faq .faq-contact__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(140deg, rgba(255, 107, 26, 0.12), rgba(34, 211, 238, 0.07) 62%, var(--panel-deep));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--stack);
}

.page-faq .faq-contact__text .section__title {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-contact__lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--divider);
}

.page-faq .faq-contact__key {
  flex: 0 0 84px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

.page-faq .faq-contact__val {
  flex: 1 1 220px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-faq .faq-squad__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-faq .faq-contact__card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-contact__text {
    grid-column: 1 / 2;
  }

  .page-faq .faq-contact__list {
    grid-column: 2 / 3;
  }

  .page-faq .faq-contact__actions {
    grid-column: 1 / -1;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-acc__tag {
    display: none;
  }

  .page-faq .faq-acc__summary {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-faq .faq-step {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-case,
  .page-faq .faq-acc,
  .page-faq .faq-acc__q,
  .page-faq .faq-acc__summary::after,
  .page-faq .faq-cat__icon,
  .page-faq .faq-rail__link,
  .page-faq .faq-filter__input,
  .page-faq .faq-security__more a {
    transition: none;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-case:hover {
    transform: none;
  }
}