.page-faq {
  --faq-cut-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
  --faq-cut-path-lg: polygon(26px 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%, 0 26px);
  --faq-gap: clamp(1.25rem, 3vw, 2.25rem);
  --faq-pad: clamp(1.1rem, 2.4vw, 1.7rem);
  --faq-paper-line: rgba(32, 22, 15, .18);
  --faq-paper-accent: #B02A63;
  position: relative;
  overflow-x: clip;
  background: var(--ink-void);
  color: var(--star-white);
}

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

.page-faq .breadcrumb {
  margin-bottom: clamp(1rem, 3vw, 1.8rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(2.4rem, 5vw, 4rem);
  background:
    radial-gradient(1000px 460px at 82% -12%, rgba(255, 61, 139, .28), transparent 62%),
    radial-gradient(760px 420px at 8% 4%, rgba(53, 224, 214, .16), transparent 60%),
    linear-gradient(180deg, var(--ink-orbit), var(--ink-void) 76%);
  border-bottom: 1px solid var(--line-softer);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: .5rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-shadow: 0 0 14px rgba(53, 224, 214, .22);
}

.page-faq .faq-hero__text {
  max-width: 48ch;
  margin: 0 0 1.2rem;
  color: var(--haze);
  font-size: 1rem;
  line-height: 1.85;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  padding: 10px;
  background: linear-gradient(150deg, rgba(36, 28, 92, .9), rgba(11, 8, 32, .95));
  clip-path: var(--faq-cut-path-lg);
  border: 0;
}

.page-faq .faq-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: var(--faq-cut-path-lg);
  border: 1px solid var(--line-magenta);
  pointer-events: none;
}

.page-faq .faq-hero__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: var(--faq-cut-path);
}

.page-faq .faq-hero__caption,
.page-faq .faq-topics__caption {
  margin-top: .7rem;
  color: var(--haze);
  font-size: .8rem;
  letter-spacing: .04em;
}

/* ---------- 分类面板 ---------- */
.page-faq .faq-topics {
  padding: clamp(2.4rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(180deg, var(--ink-void), var(--ink-orbit) 55%, var(--ink-void));
}

.page-faq .faq-topics__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(1.2rem, 3vw, 2rem);
}

.page-faq .faq-topics__cards {
  display: grid;
  gap: clamp(.8rem, 2vw, 1.1rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-card {
  position: relative;
  background: linear-gradient(158deg, rgba(36, 28, 92, .92), rgba(13, 10, 36, .96));
  clip-path: var(--faq-cut-path);
  transition: transform .3s var(--ease);
}

.page-faq .faq-card::after {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: var(--faq-cut-path);
  border: 1px solid var(--line-quiet);
  pointer-events: none;
  transition: border-color .3s var(--ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-within {
  transform: translateY(-2px);
}

.page-faq .faq-card:hover::after,
.page-faq .faq-card:focus-within::after {
  border-color: var(--line-cyan);
}

.page-faq .faq-card__link {
  display: grid;
  gap: .35rem;
  padding: var(--faq-pad);
  color: inherit;
  text-decoration: none;
  min-height: 44px;
}

.page-faq .faq-card__num {
  font-size: .85rem;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: .08em;
}

.page-faq .faq-card__name {
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-card__desc {
  color: var(--haze);
  font-size: .86rem;
  line-height: 1.6;
}

.page-faq .faq-topics__figure {
  margin: 0;
  padding: 10px;
  background: linear-gradient(200deg, rgba(22, 17, 58, .95), rgba(11, 8, 32, .9));
  clip-path: var(--faq-cut-path-lg);
  position: relative;
}

.page-faq .faq-topics__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: var(--faq-cut-path-lg);
  border: 1px solid var(--line-cyan);
  pointer-events: none;
}

.page-faq .faq-topics__figure img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  clip-path: var(--faq-cut-path);
}

/* ---------- 主体：索引 + 折叠列表 ---------- */
.page-faq .faq-body {
  padding: clamp(1rem, 3vw, 2rem) 0 clamp(2.4rem, 6vw, 4rem);
}

.page-faq .faq-index {
  margin-bottom: clamp(1.6rem, 4vw, 2.4rem);
}

.page-faq .faq-index__title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--quiet);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: .35rem .85rem;
  border: 1px solid var(--line-quiet);
  color: var(--haze);
  font-size: .86rem;
  text-decoration: none;
  clip-path: var(--faq-cut-path);
  transition: color .28s var(--ease), border-color .28s var(--ease), background-color .28s var(--ease);
}

.page-faq .faq-index__link::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--star-white);
  border-color: var(--line-cyan);
  background: rgba(53, 224, 214, .08);
}

.page-faq .faq-block {
  margin-bottom: clamp(2.2rem, 5vw, 3.4rem);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-block__head {
  margin-bottom: 1rem;
}

.page-faq .faq-block__title {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .4rem;
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 4.6vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.page-faq .faq-block__title::before {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--magenta);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-faq .faq-block__desc {
  margin: 0;
  color: var(--haze);
  font-size: .92rem;
  line-height: 1.7;
}

/* ---------- 折叠问题 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--line-softer);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--line-softer);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}

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

.page-faq .faq-item__summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--cyan);
  transition: transform .3s var(--ease), color .3s var(--ease);
}

.page-faq .faq-item[open] > .faq-item__summary::after {
  transform: rotate(45deg);
  color: var(--magenta);
}

.page-faq .faq-item__q {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  transition: color .28s var(--ease);
}

.page-faq .faq-item__summary:hover .faq-item__q,
.page-faq .faq-item__summary:focus-visible .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item__a {
  padding: 0 0 1.2rem;
  color: var(--haze);
  font-size: .94rem;
  line-height: 1.85;
}

.page-faq .faq-item__a p {
  margin: 0 0 .6rem;
  max-width: 68ch;
}

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

.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

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

/* ---------- 编号步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  position: relative;
  padding-left: 2.4rem;
  margin-bottom: .7rem;
  line-height: 1.8;
}

.page-faq .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .2rem;
  width: 1.7rem;
  height: 1.7rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  color: var(--ink-void);
  background: var(--cyan);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

/* ---------- 奶油纸面长答区 ---------- */
.page-faq .faq-block--paper {
  padding: clamp(1.3rem, 3.2vw, 2.2rem);
  background:
    radial-gradient(rgba(32, 22, 15, .05) 1px, transparent 1px) 0 0 / 4px 4px,
    var(--paper);
  color: var(--ink-brown);
  clip-path: var(--faq-cut-path-lg);
}

.page-faq .faq-block--paper .faq-block__title::before {
  background: var(--faq-paper-accent);
}

.page-faq .faq-block--paper .faq-block__desc {
  color: rgba(32, 22, 15, .7);
}

.page-faq .faq-block--paper .faq-item {
  border-color: var(--faq-paper-line);
}

.page-faq .faq-block--paper .faq-item__q {
  color: var(--ink-brown);
}

.page-faq .faq-block--paper .faq-item__summary:hover .faq-item__q,
.page-faq .faq-block--paper .faq-item__summary:focus-visible .faq-item__q {
  color: var(--faq-paper-accent);
}

.page-faq .faq-block--paper .faq-item__summary::after {
  color: var(--faq-paper-accent);
}

.page-faq .faq-block--paper .faq-item[open] > .faq-item__summary::after {
  color: var(--ink-brown);
}

.page-faq .faq-block--paper .faq-item__a {
  color: rgba(32, 22, 15, .84);
}

.page-faq .faq-block--paper .faq-item__a a {
  color: var(--faq-paper-accent);
  border-color: rgba(176, 42, 99, .5);
}

.page-faq .faq-block--paper .faq-item__a a:hover,
.page-faq .faq-block--paper .faq-item__a a:focus-visible {
  color: var(--ink-brown);
  border-color: var(--ink-brown);
}

.page-faq .faq-block--paper .faq-steps li::before {
  background: var(--faq-paper-accent);
  color: var(--paper);
}

/* ---------- 结尾转人工 ---------- */
.page-faq .faq-cta {
  padding: 0 0 clamp(3rem, 7vw, 5rem);
}

.page-faq .faq-cta__inner {
  position: relative;
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  padding: clamp(1.5rem, 4vw, 2.8rem);
  background:
    radial-gradient(620px 320px at 88% 0%, rgba(255, 61, 139, .3), transparent 66%),
    linear-gradient(150deg, rgba(36, 28, 92, .95), rgba(11, 8, 32, .98));
  clip-path: var(--faq-cut-path-lg);
}

.page-faq .faq-cta__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: var(--faq-cut-path-lg);
  border: 1px solid var(--line-magenta);
  pointer-events: none;
}

.page-faq .faq-cta__title {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-faq .faq-cta__text {
  margin: 0 0 1.3rem;
  max-width: 52ch;
  color: var(--haze);
  font-size: .95rem;
  line-height: 1.85;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-faq .faq-cta__contact {
  display: grid;
  gap: .7rem;
  align-content: start;
}

.page-faq .faq-cta__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--quiet);
}

.page-faq .faq-cta__note {
  margin: .3rem 0 0;
  color: var(--haze);
  font-size: .82rem;
  line-height: 1.7;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-topics__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cta__actions .btn {
    flex: 0 0 auto;
  }
}

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

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

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(2rem, 4.5vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    margin-bottom: 0;
    padding-left: 1rem;
    border-left: 1px solid var(--line-softer);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: .35rem;
  }

  .page-faq .faq-index__link {
    border-color: transparent;
    background: transparent;
    padding-left: .4rem;
    width: 100%;
  }

  .page-faq .faq-block {
    scroll-margin-top: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-item__summary::after,
  .page-faq .faq-item__q,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-card:hover,
  .page-faq .faq-card:focus-within {
    transform: none;
  }
}