.page-faq {
  --faq-gap: clamp(56px, 8vw, 104px);
  padding-top: clamp(20px, 3.6vw, 40px);
  padding-bottom: clamp(64px, 10vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  max-width: 62rem;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3.4vw, 34px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

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

.page-faq .faq-crumb span[aria-current] {
  color: var(--paper);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(1.85rem, 5.2vw, 3.15rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-hero__lede {
  max-width: 42rem;
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  font-size: clamp(15px, 1.65vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec {
  margin-top: var(--faq-gap);
}

.page-faq .faq-band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  padding: 14px 40px 14px 20px;
  border-left: 3px solid var(--neon);
  background: linear-gradient(100deg, rgba(47, 243, 208, 0.14), rgba(47, 243, 208, 0.03) 58%, rgba(47, 243, 208, 0) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-band__idx {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-faq .faq-band h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-band__meta {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}

.page-faq .faq-lede {
  max-width: 42rem;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-more {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-more a,
.page-faq .faq-acc__inner a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 208, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-more a:hover,
.page-faq .faq-acc__inner a:hover {
  color: var(--neon-soft);
  border-bottom-color: var(--neon-soft);
}

/* ---------- 顶部主图 ---------- */
.page-faq .faq-leadimg {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-faq .faq-leadimg img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-m);
  object-fit: cover;
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-path {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 0 22px 60px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 18px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(47, 243, 208, 0.55);
  background: rgba(47, 243, 208, 0.08);
  color: var(--neon);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 60px;
  bottom: -1px;
  width: 1px;
  background: linear-gradient(180deg, rgba(47, 243, 208, 0.5), rgba(47, 243, 208, 0.06));
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: clamp(1.02rem, 2.2vw, 1.18rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-step__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(47, 243, 208, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 订阅方式 ---------- */
.page-faq .faq-subwrap {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
}

.page-faq .faq-sublist {
  display: grid;
  gap: 14px;
}

.page-faq .faq-subitem {
  padding: 20px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--night);
  transition: transform 260ms var(--ease), border-color 260ms var(--ease);
}

.page-faq .faq-subitem:hover {
  transform: translateX(4px);
  border-color: rgba(47, 243, 208, 0.42);
}

.page-faq .faq-subitem h3 {
  margin: 10px 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

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

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

.page-faq .faq-subimg img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-m);
  object-fit: cover;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc {
  display: grid;
  gap: 12px;
}

.page-faq .faq-acc__item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(122, 190, 255, 0.06);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-acc__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 260ms var(--ease);
}

.page-faq .faq-acc__item[data-open] {
  border-color: rgba(47, 243, 208, 0.42);
  background: rgba(122, 190, 255, 0.1);
}

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

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

.page-faq .faq-acc__trigger {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  width: 100%;
  margin: 0;
  padding: 18px 20px 18px 22px;
  border: 0;
  background: none;
  text-align: left;
  color: var(--paper);
  font: inherit;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

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

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

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

.page-faq .faq-acc__icon {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 3px;
}

.page-faq .faq-acc__icon::before,
.page-faq .faq-acc__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--neon);
  transform: translate(-50%, -50%);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.page-faq .faq-acc__icon::before {
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-acc__icon::after {
  width: 1.5px;
  height: 12px;
}

.page-faq .faq-acc__item[data-open] .faq-acc__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-acc__panel {
  display: none;
}

.page-faq .faq-acc__item[data-open] .faq-acc__panel {
  display: block;
}

.page-faq .faq-acc__inner {
  padding: 0 22px 20px 22px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-acc__inner p {
  margin: 0 0 10px;
}

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

/* ---------- 回看与交锋对照 ---------- */
.page-faq .faq-compare {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-faq .faq-compare__col h3 {
  margin: 12px 0 10px;
  font-size: clamp(1.03rem, 2.2vw, 1.2rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-compare__col p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

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

/* ---------- 咨询区 ---------- */
.page-faq .faq-help {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(47, 243, 208, 0.28);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(47, 243, 208, 0.12), rgba(12, 32, 56, 0.92) 55%, rgba(255, 138, 43, 0.12));
}

.page-faq .faq-help p {
  max-width: 44rem;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-faq .faq-help__meta {
  display: grid;
  gap: 12px;
  margin: clamp(20px, 3vw, 28px) 0 clamp(22px, 3vw, 30px);
  padding: 0;
}

.page-faq .faq-help__meta > div {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-help__meta dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-faq .faq-help__meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-help__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-subitem {
    padding: 24px 26px 26px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-faq .faq-step {
    padding: 66px 0 0;
    border-top: 0;
    border-bottom: 0;
  }

  .page-faq .faq-step:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-step:not(:last-child)::after {
    display: none;
  }

  .page-faq .faq-step::before {
    content: "";
    position: absolute;
    left: 40px;
    right: -30px;
    top: 20px;
    height: 1px;
    background: linear-gradient(90deg, rgba(47, 243, 208, 0.7), rgba(47, 243, 208, 0.08));
  }

  .page-faq .faq-step:last-child::before {
    display: none;
  }

  .page-faq .faq-step__num {
    top: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-subwrap {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }

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

  .page-faq .faq-compare__col:first-child {
    padding-left: 0;
  }

  .page-faq .faq-compare__col:last-child {
    padding-right: 0;
    border-left: 1px solid rgba(47, 243, 208, 0.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-subitem,
  .page-faq .faq-acc__item,
  .page-faq .faq-acc__item::before,
  .page-faq .faq-acc__icon::before,
  .page-faq .faq-acc__icon::after,
  .page-faq .faq-crumb a {
    transition: none;
  }

  .page-faq .faq-subitem:hover {
    transform: none;
  }
}