.page-faq {
  color: var(--white);
  padding: clamp(20px, 4vw, 36px) 0 clamp(48px, 7vw, 92px);
  background:
    radial-gradient(760px 360px at 88% -6%, rgba(227, 168, 59, 0.14), transparent 68%),
    radial-gradient(560px 320px at 6% 24%, rgba(21, 84, 58, 0.42), transparent 72%),
    var(--ink);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(20px, 3.6vw, 34px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  alignItems: start;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: clamp(72px, 16vw, 132px);
  height: 6px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--amber), var(--ember));
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-faq .faq-hero__text {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__aside {
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero__card {
  padding: var(--pad-panel);
  background: linear-gradient(150deg, var(--deep), var(--pitch) 140%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-faq .faq-hero__card-title {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber-soft);
}

.page-faq .faq-hero__card-main {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-hero__card-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.page-faq .faq-hero__stat {
  padding: 12px 14px;
  background: rgba(11, 42, 31, 0.72);
  border-left: 3px solid var(--amber);
}

.page-faq .faq-hero__stat dt {
  font-size: 12px;
  color: var(--moss);
  margin-bottom: 4px;
}

.page-faq .faq-hero__stat dd {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--amber-soft);
}

/* ---------- 分类标签 ---------- */
.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs__link {
  flex: 0 0 auto;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(21, 84, 58, 0.28);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-tabs__link:hover,
.page-faq .faq-tabs__link:focus-visible {
  background: var(--amber);
  color: var(--charcoal);
  border-color: var(--amber);
  outline: none;
}

/* ---------- 双栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(22px, 4vw, 38px);
}

.page-faq .faq-index {
  padding: 16px 18px;
  background: rgba(11, 42, 31, 0.5);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber-soft);
}

.page-faq .faq-index__list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: faqidx;
  display: grid;
  gap: 8px;
}

.page-faq .faq-index__list li {
  counter-increment: faqidx;
}

.page-faq .faq-index__link {
  display: block;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--hair);
}

.page-faq .faq-index__link::before {
  content: counter(faqidx, decimal-leading-zero) " / ";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--moss);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--amber-soft);
  outline: none;
}

.page-faq .faq-index__tip {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  margin-bottom: clamp(34px, 5.4vw, 60px);
  scroll-margin-top: 96px;
}

.page-faq .faq-block__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__num {
  flex: 0 0 auto;
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--moss);
  transition: color 0.3s var(--ease), -webkit-text-stroke-color 0.3s var(--ease);
}

.page-faq [data-index-item].is-lit .faq-block__num {
  color: var(--amber);
  -webkit-text-stroke-color: var(--amber);
}

.page-faq .faq-block__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-block__lede {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  background: var(--deep);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.page-faq .faq-figure__cap {
  padding: 10px 16px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--moss);
  border-top: 1px solid var(--line);
}

/* ---------- 问答卡 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: rgba(11, 42, 31, 0.55);
  border: 1px solid var(--hair);
  border-left: 3px solid transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa[open] {
  background: rgba(21, 84, 58, 0.36);
  border-color: var(--line);
  border-left-color: var(--amber);
}

.page-faq .qa__q {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

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

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-size: 12px;
  padding-top: 3px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

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

.page-faq .qa__sign {
  flex: 0 0 auto;
  width: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--amber-soft);
}

.page-faq .qa__sign::before {
  content: "+";
}

.page-faq .qa[open] .qa__sign::before {
  content: "\2212";
}

.page-faq .qa__a {
  padding: 0 16px 16px 16px;
  border-top: 1px dashed var(--hair);
  margin-top: 2px;
}

.page-faq .qa__a p {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

/* 奶油纸章节作为节奏变化 */
.page-faq .faq-block--paper .faq-block__num {
  -webkit-text-stroke-color: var(--amber);
}

.page-faq .faq-block--paper .qa {
  background: var(--paper);
  border-color: rgba(27, 31, 28, 0.2);
  border-left-color: transparent;
}

.page-faq .faq-block--paper .qa[open] {
  background: var(--paper);
  border-left-color: var(--ember);
}

.page-faq .faq-block--paper .qa__q {
  color: var(--charcoal);
}

.page-faq .faq-block--paper .qa__num {
  color: var(--ember);
}

.page-faq .faq-block--paper .qa__sign {
  color: var(--charcoal);
}

.page-faq .faq-block--paper .qa__a {
  border-top-color: rgba(27, 31, 28, 0.22);
}

.page-faq .faq-block--paper .qa__a p {
  color: var(--charcoal);
}

.page-faq .faq-block--paper .qa__q:focus-visible {
  outline-color: var(--ember);
}

.page-faq .faq-back {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 2px;
}

.page-faq .faq-back:hover,
.page-faq .faq-back:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--amber);
  outline: none;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(10px, 2vw, 20px);
  padding: clamp(22px, 4vw, 40px);
  background:
    repeating-linear-gradient(115deg, rgba(227, 168, 59, 0.07) 0 2px, transparent 2px 14px),
    linear-gradient(135deg, var(--pitch), var(--deep) 70%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-faq .faq-cta__eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.2vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 0 0 20px;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .qa__q {
    font-size: 16px;
    padding: 16px 20px;
  }

  .page-faq .qa__a {
    padding: 0 20px 18px 46px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tabs__link,
  .page-faq .faq-block__num,
  .page-faq .qa {
    transition: none;
  }
}