.page-faq {
  background: var(--mist);
  color: var(--ink);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 44px;
  background: linear-gradient(165deg, var(--deep) 0%, var(--deep-2) 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -18%;
  width: 62%;
  height: 118%;
  border: 1px solid rgba(244, 196, 48, 0.14);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -46%;
  width: 88%;
  height: 260px;
  border: 1px solid rgba(250, 246, 241, 0.12);
  border-radius: 50% 50% 0 0;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero .breadcrumb__link {
  color: rgba(250, 246, 241, 0.66);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb__link:hover,
.page-faq .faq-hero .breadcrumb__link:focus-visible {
  color: var(--amber);
}

.page-faq .faq-hero .breadcrumb__item {
  color: rgba(250, 246, 241, 0.45);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__eyebrow {
  margin: 22px 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(250, 246, 241, 0.8);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 34px;
  margin: 0 0 26px;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid rgba(250, 246, 241, 0.16);
}

.page-faq .faq-hero__fact strong {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-28);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--amber);
}

.page-faq .faq-hero__fact span {
  display: block;
  margin-top: 4px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: rgba(250, 246, 241, 0.6);
}

.page-faq .faq-hero .btn {
  text-decoration: none;
}

.page-faq .faq-hero__visual {
  margin: 0;
  padding: 8px;
  background: rgba(244, 196, 48, 0.14);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

/* ============ 问答主体 ============ */
.page-faq .faq-board {
  padding: 48px 0 56px;
  background: var(--mist);
}

.page-faq .faq-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-faq .faq-board__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}

.page-faq .faq-board__title {
  margin: 0 0 22px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--deep);
}

/* 分类筛选 */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
}

.page-faq .faq-filter .filter-bar__label {
  margin-right: 4px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-faq .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
  vertical-align: middle;
}

.page-faq .dot--all { background: var(--slate); }
.page-faq .dot--rule { background: var(--red); }
.page-faq .dot--query { background: var(--amber); }
.page-faq .dot--update { background: var(--green); }
.page-faq .dot--loan { background: var(--deep); }

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

.page-faq .faq-item {
  background: var(--paper);
  border: 1px solid var(--grid);
  border-left: 4px solid var(--grid);
  transition: border-color 0.14s ease, background-color 0.14s ease;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-item[data-tags~="rule"] { border-left-color: var(--red); }
.page-faq .faq-item[data-tags~="query"] { border-left-color: var(--amber); }
.page-faq .faq-item[data-tags~="update"] { border-left-color: var(--green); }
.page-faq .faq-item[data-tags~="loan"] { border-left-color: var(--deep); }

.page-faq .faq-item[open] {
  background: #ffffff;
  border-color: var(--grid);
}

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 22px;
  gap: 10px;
  align-items: start;
  padding: 18px 18px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-item__q {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-16);
  line-height: 1.55;
  color: var(--deep);
}

.page-faq .faq-item__icon {
  position: relative;
  justify-self: end;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--slate);
  background: transparent;
  clip-path: polygon(0 0, 100% 0, 100% 60%, 60% 100%, 0 100%);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--slate);
  transition: transform 0.14s ease;
}

.page-faq .faq-item__icon::before {
  left: 4px;
  right: 4px;
  top: 8px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  top: 4px;
  bottom: 4px;
  left: 8px;
  width: 1.5px;
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 18px 20px 62px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-item[open] .faq-item__body {
  animation: faq-fade 0.14s ease both;
}

@keyframes faq-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============ 侧栏 ============ */
.page-faq .faq-aside {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-faq .faq-aside__media {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-aside__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-aside__glossary {
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--grid);
  border-top: 4px solid var(--deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-20);
  line-height: 1.2;
  color: var(--deep);
}

.page-faq .glossary-list {
  margin: 0;
  display: grid;
}

.page-faq .glossary-item {
  padding: 12px 0;
  border-bottom: 1px dashed var(--grid);
}

.page-faq .glossary-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .glossary-item dt {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-faq .glossary-item dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--slate);
}

/* ============ 页尾延伸入口 ============ */
.page-faq .faq-more {
  padding: 48px 0 56px;
  background: var(--deep);
  color: var(--paper);
}

.page-faq .faq-more__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.16;
  color: #ffffff;
}

.page-faq .faq-more__lead {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(250, 246, 241, 0.72);
}

.page-faq .faq-more__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-more__card {
  display: block;
  padding: 20px 20px 22px;
  background: rgba(250, 246, 241, 0.06);
  border: 1px solid rgba(250, 246, 241, 0.15);
  color: var(--paper);
  text-decoration: none;
  transition: background-color 0.14s ease, border-color 0.14s ease, transform 0.14s ease;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-more__card:hover,
.page-faq .faq-more__card:focus-visible {
  background: rgba(244, 196, 48, 0.14);
  border-color: rgba(244, 196, 48, 0.5);
  transform: translateY(-2px);
}

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

.page-faq .faq-more__card strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-16);
  color: #ffffff;
}

.page-faq .faq-more__card span {
  display: block;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: rgba(250, 246, 241, 0.66);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 36px 0 60px;
  }

  .page-faq .faq-item__head {
    grid-template-columns: 46px minmax(0, 1fr) 26px;
    gap: 14px;
    padding: 22px 24px;
  }

  .page-faq .faq-item__q {
    font-size: var(--fs-20);
  }

  .page-faq .faq-item__body {
    padding: 0 24px 24px 84px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 52px;
    min-height: 72vh;
  }

  .page-faq .faq-hero {
    padding: 44px 0 64px;
  }

  .page-faq .faq-hero__eyebrow {
    margin-top: 30px;
  }

  .page-faq .faq-hero__visual {
    align-self: stretch;
    display: flex;
  }

  .page-faq .faq-hero__visual img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 340px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-board {
    padding: 64px 0 76px;
  }

  .page-faq .faq-board__grid {
    grid-template-columns: minmax(0, 1fr) 336px;
    gap: 56px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 76px;
  }

  .page-faq .faq-aside__glossary {
    max-height: calc(100vh - 300px);
    overflow-y: auto;
  }

  .page-faq .faq-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-more {
    padding: 64px 0 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-more__card {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__body {
    animation: none;
  }
}