.page-faq {
  --faq-radius: var(--r-md);
  --faq-pad: clamp(1rem, 3vw, 1.4rem);
  --faq-index-w: 15.5rem;
  background: var(--c-field);
  color: var(--c-bone);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(1.75rem, 4vw, 2.75rem);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(18, 81, 63, 0.38) 0 1px,
    transparent 1px 88px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -38%;
  right: -14%;
  width: min(560px, 78vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 192, 0.14), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero__lead {
  max-width: 60ch;
}

.page-faq .faq-title {
  margin: 0.8rem 0 0.9rem;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-bone);
}

.page-faq .faq-hero__lead .lede {
  max-width: 46ch;
  color: var(--c-mist);
  font-size: 1rem;
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-hero__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hair-line);
}

/* ---------- 常见问题分布 ---------- */
.page-faq .faq-spread {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .faq-spread__track {
  display: flex;
  gap: 4px;
  height: 7px;
  margin: 0.7rem 0 1rem;
}

.page-faq .faq-spread__seg {
  flex-basis: 0;
  border-radius: 4px;
  min-width: 8px;
}

.page-faq .faq-spread__seg--a { flex-grow: 5; background: var(--c-neon); }
.page-faq .faq-spread__seg--b { flex-grow: 5; background: var(--c-neon-soft); }
.page-faq .faq-spread__seg--c { flex-grow: 5; background: var(--c-ember); }
.page-faq .faq-spread__seg--d { flex-grow: 5; background: var(--c-mist); }
.page-faq .faq-spread__seg--e { flex-grow: 4; background: rgba(0, 229, 192, 0.42); }
.page-faq .faq-spread__seg--f { flex-grow: 4; background: rgba(255, 122, 48, 0.45); }

.page-faq .faq-spread__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
}

.page-faq .faq-spread__legend a {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--t-base) var(--ease);
}

.page-faq .faq-spread__legend a:hover,
.page-faq .faq-spread__legend a:focus-visible {
  color: var(--c-neon);
}

.page-faq .faq-spread__legend .num {
  font-size: 0.78rem;
  color: var(--c-moss);
  filter: brightness(2.4);
}

.page-faq .faq-spread__dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex: 0 0 auto;
}

.page-faq .faq-spread__dot--a { background: var(--c-neon); }
.page-faq .faq-spread__dot--b { background: var(--c-neon-soft); }
.page-faq .faq-spread__dot--c { background: var(--c-ember); }
.page-faq .faq-spread__dot--d { background: var(--c-mist); }
.page-faq .faq-spread__dot--e { background: rgba(0, 229, 192, 0.42); }
.page-faq .faq-spread__dot--f { background: rgba(255, 122, 48, 0.45); }

/* ---------- 主体分栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--hair-line);
  border-radius: var(--faq-radius);
  background: var(--c-glass);
  padding: 1rem 0.9rem 1.1rem;
}

.page-faq .faq-index__title {
  margin: 0 0 0.65rem 0.35rem;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-line);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 0.35rem;
  border-bottom: 1px solid var(--hair-line);
  color: var(--c-mist);
  font-size: 0.9rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--t-base) var(--ease), padding-left var(--t-base) var(--ease), background var(--t-base) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--c-neon);
  padding-left: 0.7rem;
  background: var(--c-glass-hi);
  outline: none;
}

.page-faq .faq-index__link:focus-visible {
  box-shadow: inset 0 0 0 1px var(--c-neon);
}

.page-faq .faq-index__num {
  font-size: 0.72rem;
  color: var(--c-neon-soft);
  letter-spacing: 0.08em;
}

.page-faq .faq-index__count {
  font-size: 0.72rem;
  color: var(--c-mist);
  opacity: 0.7;
}

.page-faq:has(#faq-subscribe:target) .faq-index__link[href="#faq-subscribe"],
.page-faq:has(#faq-archive:target) .faq-index__link[href="#faq-archive"],
.page-faq:has(#faq-schedule:target) .faq-index__link[href="#faq-schedule"],
.page-faq:has(#faq-reading:target) .faq-index__link[href="#faq-reading"],
.page-faq:has(#faq-support:target) .faq-index__link[href="#faq-support"],
.page-faq:has(#faq-hours:target) .faq-index__link[href="#faq-hours"] {
  color: var(--c-neon);
  padding-left: 0.7rem;
  background: var(--c-glass-hi);
}

.page-faq .faq-index__foot {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--hair-line);
}

.page-faq .faq-index__foot p {
  margin: 0 0 0.75rem;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--c-mist);
}

.page-faq .faq-index__foot .btn {
  width: 100%;
  justify-content: center;
  text-align: center;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 8.5rem;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.25rem, 5.5vw, 4rem);
}

.page-faq .faq-group__head {
  padding-top: 1.1rem;
  border-top: 2px solid var(--c-moss);
  margin-bottom: 1.1rem;
}

.page-faq .faq-group__title {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(1.35rem, 3.4vw, 2.05rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-bone);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--hair-line);
  border-radius: var(--faq-radius);
  background: var(--c-glass);
  margin-bottom: 0.6rem;
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease), transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--c-moss);
}

.page-faq .faq-item[open] {
  border-color: var(--c-neon);
  background: var(--c-glass-hi);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-item__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-bone);
  transition: color var(--t-base) var(--ease);
}

.page-faq .faq-item__q::-webkit-details-marker { display: none; }
.page-faq .faq-item__q::marker { content: ""; }
.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-neon);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-base) var(--ease);
}

.page-faq .faq-item__q:hover {
  color: var(--c-neon-soft);
}

.page-faq .faq-item__q:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 1px var(--c-neon);
}

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

.page-faq .faq-item__marker {
  position: relative;
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  margin-top: 0.32rem;
  border: 1px solid var(--c-moss);
  border-radius: 3px;
  transition: border-color var(--t-base) var(--ease);
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 20%;
  right: 20%;
  height: 1.5px;
  background: var(--c-neon);
  transform: translateY(-50%);
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
}

.page-faq .faq-item__marker::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__marker {
  border-color: var(--c-neon);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 1.05rem 1.1rem 2.9rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.55rem;
}

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

.page-faq .faq-item__a strong {
  color: var(--c-neon);
  font-weight: 600;
}

.page-faq .faq-item__a a {
  color: var(--c-neon-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--c-moss);
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- 订阅设置三件事 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.2rem;
  padding: var(--faq-pad);
  border: 1px solid var(--hair-line);
  border-radius: var(--faq-radius);
  background: var(--c-stand);
}

.page-faq .faq-steps__media {
  border-radius: var(--r-sm);
  overflow: hidden;
  margin: 0;
}

.page-faq .faq-steps__body .eyebrow {
  margin: 0 0 0.4rem;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
}

.page-faq .faq-steps__list li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: start;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--hair-line);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-bone);
}

.page-faq .faq-steps__list li:last-child {
  border-bottom: none;
}

.page-faq .faq-steps__num {
  font-size: 0.78rem;
  color: var(--c-ember);
  letter-spacing: 0.06em;
  padding-top: 0.15rem;
}

.page-faq .faq-steps__link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid var(--c-neon);
  padding-bottom: 2px;
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.page-faq .faq-steps__link:hover,
.page-faq .faq-steps__link:focus-visible {
  color: var(--c-neon-soft);
  border-bottom-color: var(--c-neon-soft);
}

/* ---------- 联系方式块 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin-top: 1.2rem;
  border: 1px solid var(--hair-line);
  border-radius: var(--faq-radius);
  background: var(--c-glass);
  overflow: hidden;
}

.page-faq .faq-contact__cell {
  padding: 0.85rem 1.05rem;
  border-bottom: 1px solid var(--hair-line);
}

.page-faq .faq-contact__cell:last-child {
  border-bottom: none;
}

.page-faq .faq-contact__label {
  margin: 0 0 0.22rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
  opacity: 0.8;
}

.page-faq .faq-contact__value {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.5;
  color: var(--c-neon-soft);
  word-break: break-word;
}

.page-faq .faq-contact__value.num {
  font-size: 1.05rem;
  color: var(--c-neon);
}

.page-faq .faq-contact__note {
  margin: 0.7rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-mist);
  opacity: 0.85;
}

/* ---------- 结尾 ---------- */
.page-faq .faq-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(2.25rem, 5vw, 3.5rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--hair-line);
}

.page-faq .faq-tail p {
  margin: 0;
  max-width: 46ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-faq .faq-totop {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--c-moss);
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
}

.page-faq .faq-totop:hover,
.page-faq .faq-totop:focus-visible {
  color: var(--c-neon);
  border-color: var(--c-neon);
  background: var(--c-glass-hi);
  outline: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 48rem) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

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

  .page-faq .faq-contact__cell:nth-child(odd) {
    border-right: 1px solid var(--hair-line);
  }

  .page-faq .faq-contact__cell:nth-last-child(-n + 2) {
    border-bottom: none;
  }

  .page-faq .faq-item__q {
    font-size: 1.02rem;
    padding: 1.05rem 1.2rem;
  }

  .page-faq .faq-item__a {
    padding: 0 1.2rem 1.2rem 3.05rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 62rem) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 7rem;
  }

  .page-faq .faq-hero__media {
    margin-top: 0.5rem;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__marker,
  .page-faq .faq-item__marker::before,
  .page-faq .faq-item__marker::after,
  .page-faq .faq-index__link,
  .page-faq .faq-totop {
    transition: none;
  }
}