/* ===== 帮助与道具中心 /help-center/ ===== */

.page-faq {
  --faq-pad: clamp(44px, 7vw, 84px);
  --faq-gap: clamp(16px, 2.6vw, 28px);
  --faq-scroll: calc(var(--header-h) + 18px);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.45);
  transition: color 180ms ease, border-color 180ms ease;
}

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

/* ---------- 通用节标题 ---------- */
.page-faq .faq-sec-head {
  max-width: 60ch;
}

.page-faq .faq-sec-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-sec-head__lead {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(36px, 6vw, 76px) 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(120% 100% at 6% 0%, rgba(139, 92, 246, 0.32), transparent 58%),
    radial-gradient(90% 80% at 96% 6%, rgba(34, 211, 238, 0.16), transparent 62%),
    var(--ink);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(244, 241, 234, 0.035) 0px,
    rgba(244, 241, 234, 0.035) 1px,
    transparent 1px,
    transparent 4px
  );
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-faq .faq-hero .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hero .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--violet);
}

.page-faq .faq-hero .breadcrumbs__item a {
  color: var(--silver);
  text-decoration: none;
}

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

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.4vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 首屏横向步骤条 ---------- */
.page-faq .faq-flow {
  margin: clamp(28px, 4.4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 16px 18px 18px;
  background: var(--stone);
  border: 2px solid var(--line);
  border-left: 3px solid var(--violet);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.page-faq .faq-flow__item:hover {
  transform: translateY(-3px);
  border-color: var(--violet-lit);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-flow__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-faq .faq-flow__desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 找回记录 ---------- */
.page-faq .faq-recover {
  padding: var(--faq-pad) 0;
  background: var(--stone);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-recover__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-recover__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  background: var(--ink);
  box-shadow: var(--shadow-cyan);
}

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

.page-faq .faq-recover__figcaption {
  padding: 12px 14px;
  border-top: 2px solid var(--line);
  background: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--silver);
}

.page-faq .faq-recover__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

.page-faq .faq-kv {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 2px;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-faq .faq-kv__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-soft);
}

.page-faq .faq-kv__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-kv__v {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--cream);
}

.page-faq .faq-recover__body .faq-inline-link {
  display: inline-block;
  margin-top: clamp(16px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 材料清单 ---------- */
.page-faq .faq-prep {
  padding: var(--faq-pad) 0;
  background: var(--ink);
}

.page-faq .faq-prep__list {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-prep__item {
  padding: 20px 20px 22px;
  background: var(--ink-soft);
  border: 2px solid var(--line);
  border-top: 3px solid var(--moss);
  transition: transform 180ms ease, border-color 180ms ease;
}

.page-faq .faq-prep__item:hover {
  transform: translateY(-3px);
  border-color: var(--violet-lit);
}

.page-faq .faq-prep__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-faq .faq-prep__item h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--cream);
}

.page-faq .faq-prep__item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .faq-prep__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 68ch;
  padding: 16px 18px;
  border-left: 3px solid var(--clay);
  background: rgba(226, 99, 74, 0.09);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream);
}

/* ---------- 道具说明卡片墙 ---------- */
.page-faq .faq-wall {
  position: relative;
  padding: var(--faq-pad) 0;
  border-top: 2px solid var(--line);
  background:
    radial-gradient(80% 60% at 88% 0%, rgba(34, 211, 238, 0.14), transparent 64%),
    var(--ink);
}

.page-faq .faq-wall__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.6vw, 40px);
  align-items: end;
}

.page-faq .faq-wall__lead {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

.page-faq .faq-wall__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  background: var(--stone);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-wall__figure figcaption {
  padding: 10px 14px;
  border-top: 2px solid var(--line);
  background: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-faq .faq-chips .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.page-faq .faq-cats {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-cat {
  padding: 18px 18px 20px;
  background: var(--stone);
  border: 2px solid var(--line);
  scroll-margin-top: var(--faq-scroll);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-faq .faq-cat:hover {
  border-color: var(--violet-lit);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-cat__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-cat__icon {
  flex: none;
  width: 22px;
  height: 22px;
  color: var(--cyan);
}

.page-faq .faq-cat__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .faq-cat__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
}

.page-faq .faq-cat__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-cat__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.66;
}

.page-faq .faq-cat__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--violet-lit);
  padding-top: 3px;
}

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

.page-faq .faq-cat__item-name {
  display: block;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-cat__item-use {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

.page-faq .faq-wall__foot {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--silver);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-answers {
  padding: var(--faq-pad) 0;
  background: var(--stone);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-groups {
  margin: clamp(24px, 4vw, 42px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--cream);
}

.page-faq .faq-group__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--yellow);
}

.page-faq .faq-q {
  border: 2px solid var(--line);
  background: var(--ink-soft);
  transition: border-color 180ms ease;
}

.page-faq .faq-q + .faq-q {
  margin-top: 8px;
}

.page-faq .faq-q:hover {
  border-color: var(--line-strong);
}

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

.page-faq .faq-q__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q__q::before {
  content: "[+]";
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.95;
  color: var(--cyan);
}

.page-faq .faq-q[open] .faq-q__q::before {
  content: "[-]";
  color: var(--yellow);
}

.page-faq .faq-q__q:hover {
  color: var(--violet-lit);
}

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

.page-faq .faq-q__a {
  padding: 0 16px 16px 38px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--silver);
}

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

/* ---------- 联系与渠道 ---------- */
.page-faq .faq-reach {
  padding: var(--faq-pad) 0;
  background:
    radial-gradient(90% 80% at 8% 0%, rgba(139, 92, 246, 0.24), transparent 62%),
    var(--ink);
}

.page-faq .faq-reach__grid {
  margin: clamp(24px, 4vw, 42px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-faq .faq-reach__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-cta {
  display: inline-block;
  margin-top: clamp(18px, 2.6vw, 26px);
  padding: 13px 26px;
  background: var(--yellow);
  border: 2px solid var(--yellow);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: var(--shadow-yellow);
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible {
  transform: translateY(-3px);
  background: var(--ink);
  color: var(--yellow);
}

.page-faq .faq-channels {
  margin: 0;
  padding: 2px;
  list-style: none;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-faq .faq-channel {
  padding: 16px 18px 18px;
  background: var(--ink-soft);
}

.page-faq .faq-channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-channel__value {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-faq .faq-channel__desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-faq .faq-reach__note {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  max-width: 70ch;
  padding: 16px 18px;
  border-left: 3px solid var(--violet);
  background: rgba(139, 92, 246, 0.10);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-kv__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-faq .faq-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-flow__item {
    border-left: 2px solid var(--line);
    border-top: 3px solid var(--violet);
    padding: 20px 18px 22px;
  }

  .page-faq .faq-flow__item:hover {
    transform: translateY(-4px);
  }

  .page-faq .faq-recover__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 36px;
  }

  .page-faq .faq-reach__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-recover__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-flow__item,
  .page-faq .faq-prep__item,
  .page-faq .faq-cat,
  .page-faq .faq-cta,
  .page-faq .faq-q {
    transition: none;
  }

  .page-faq .faq-flow__item:hover,
  .page-faq .faq-prep__item:hover,
  .page-faq .faq-cta:hover {
    transform: none;
  }
}