.page-faq {
  --faq-side: 320px;
  --faq-gap: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  background: var(--c-ink);
  color: var(--c-cream);
  overflow-x: clip;
}

.page-faq .faq-shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-top: clamp(1rem, 3vw, 1.75rem);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

.page-faq .breadcrumb a {
  color: var(--c-ice);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  text-decoration: underline;
}

/* ---------- 区块标题组 ---------- */
.page-faq .section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin: 0 0 0.5rem;
}

.page-faq .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  line-height: 1.24;
  color: var(--c-cream);
  margin: 0 0 0.65rem;
}

.page-faq .section-head p {
  color: var(--c-mute);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 62ch;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
  padding-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-cream);
  margin: 0.35rem 0 1rem;
}

.page-faq .faq-hero__copy .lede {
  color: var(--c-mute);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 60ch;
  margin: 0;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.25rem;
  margin: 1.75rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 8rem;
}

.page-faq .faq-fact-val {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold-lite);
}

.page-faq .faq-fact-val em {
  font-style: normal;
  font-size: 0.8rem;
  margin-left: 0.25rem;
  color: var(--c-mute);
}

.page-faq .faq-fact-note {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--c-mute);
  max-width: 15ch;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line-gold);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-path {
  margin-top: clamp(2.75rem, 7vw, 5rem);
}

.page-faq .faq-path__list {
  list-style: none;
  display: grid;
  gap: 1.1rem;
  margin: 1.75rem 0 0;
  padding: 0;
}

.page-faq .path-node {
  position: relative;
  padding: 1.35rem 1.3rem 1.5rem;
  background:
    radial-gradient(130% 110% at 0% 0%, rgba(91, 42, 134, 0.5), transparent 62%),
    linear-gradient(160deg, rgba(26, 14, 42, 0.95), rgba(14, 14, 18, 0.98));
  border-left: 2px solid var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .path-node__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 0.35rem;
  margin-bottom: 0.85rem;
}

.page-faq .path-node h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--c-cream);
  margin: 0 0 0.55rem;
}

.page-faq .path-node p {
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--c-mute);
  margin: 0;
}

.page-faq .path-node__tip {
  margin-top: 0.9rem !important;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--line-gold);
  font-family: var(--font-mono);
  font-size: 0.76rem !important;
  line-height: 1.65 !important;
  color: var(--c-ice) !important;
}

/* ---------- 主体网格 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(2.75rem, 6vw, 4rem);
}

.page-faq .faq-body__main {
  min-width: 0;
}

/* ---------- 场景问答 ---------- */
.page-faq .case-group {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-faq .case-group__title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-gold-lite);
  margin: 0 0 0.5rem;
}

.page-faq .case-group__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-cream);
  background: var(--c-wine);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.page-faq .case-group__lede {
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--c-mute);
  max-width: 64ch;
  margin: 0 0 0.9rem;
}

.page-faq .case-list {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
  padding-left: 1rem;
  background-image: none;
  transition: box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: inset 3px 0 0 var(--c-gold);
}

.page-faq .faq-item > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 1.05rem 2.4rem 1.05rem 0;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-cream);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--c-gold);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item[open] > summary {
  color: var(--c-gold-lite);
}

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

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-ice);
  outline-offset: 3px;
}

.page-faq .faq-item__body {
  padding: 0 1.6rem 1.25rem 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-mute);
}

.page-faq .faq-item__body p {
  margin: 0 0 0.7rem;
}

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

/* ---------- 客服准备清单 ---------- */
.page-faq .contact-kit {
  position: relative;
  border: 1px solid var(--line-gold);
  background: linear-gradient(170deg, rgba(58, 26, 94, 0.72), rgba(14, 14, 18, 0.97));
  padding: 1.65rem 1.25rem 1.4rem;
}

.page-faq .contact-kit::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold), transparent);
}

.page-faq .contact-kit__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--c-cream);
  margin: 0 0 0.45rem;
}

.page-faq .contact-kit__hint {
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--c-mute);
  margin: 0 0 1.1rem;
}

.page-faq .kit-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .kit-list li {
  border-top: 1px solid var(--line-soft);
}

.page-faq .kit-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.62rem 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.65;
  color: var(--c-mute);
  transition: color var(--dur) var(--ease);
}

.page-faq .kit-check input {
  appearance: none;
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  flex: none;
  margin: 0.2rem 0 0;
  border: 1px solid var(--c-gold);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease);
}

.page-faq .kit-check input:checked {
  background: var(--c-gold);
}

.page-faq .kit-check input:focus-visible {
  outline: 2px solid var(--c-ice);
  outline-offset: 2px;
}

.page-faq .kit-check:hover {
  color: var(--c-cream);
}

.page-faq .kit-check:has(input:checked) {
  color: var(--c-cream);
  text-decoration: line-through;
  text-decoration-color: var(--line-gold);
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-reach {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
  margin-top: clamp(3rem, 8vw, 5.5rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-reach__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2rem);
  line-height: 1.25;
  color: var(--c-cream);
  margin: 0 0 0.7rem;
}

.page-faq .faq-reach__copy > p {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-mute);
  max-width: 58ch;
  margin: 0;
}

.page-faq .faq-channels {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-channels li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-channels__k {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

.page-faq .faq-channels__v {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--c-cream);
  word-break: break-word;
}

.page-faq .faq-reach__note {
  margin-top: 1rem;
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--c-ice);
  max-width: 56ch;
}

.page-faq .faq-reach__media {
  margin: 0;
  border: 1px solid var(--line-gold);
}

/* ---------- 延伸阅读 ---------- */
.page-faq .faq-more {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(1.75rem, 4vw, 2.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-more h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.8vw, 1.6rem);
  color: var(--c-cream);
  margin: 0 0 1rem;
}

.page-faq .faq-more__list {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.page-faq .faq-more__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  align-items: baseline;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-more__list a {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--c-ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

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

.page-faq .faq-more__list span {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--c-mute);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-path__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-faq .path-node:nth-child(2) {
    margin-top: 1.6rem;
  }

  .page-faq .path-node:nth-child(3) {
    margin-top: 3.2rem;
  }

  .page-faq .faq-more__list li {
    justify-content: flex-start;
  }

  .page-faq .faq-more__list a {
    min-width: 9rem;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .faq-reach {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) var(--faq-side);
    align-items: start;
  }

  .page-faq .faq-body__side {
    position: sticky;
    top: 6.5rem;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__facts {
    gap: 1rem 1.5rem;
  }

  .page-faq .faq-fact-note {
    max-width: none;
  }

  .page-faq .faq-channels li {
    flex-direction: column;
  }
}