/* ===== page-faq 常见问答 ===== */
.page-faq {
  --faq-gold-line: rgba(214, 164, 74, .42);
  --faq-soft-line: rgba(143, 167, 158, .34);
  --faq-ease: cubic-bezier(.22, .68, .3, 1);
  background: var(--paper);
  color: var(--ink-text);
}

.page-faq .mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.6vw, 40px) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(118% 86% at 86% 6%, rgba(28, 90, 76, .74) 0%, rgba(8, 33, 29, 0) 62%),
    linear-gradient(166deg, #08211D 0%, #0F3A32 54%, #08211D 100%);
  color: var(--paper);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -34%;
  width: min(620px, 78vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 164, 74, .28) 0%, rgba(214, 164, 74, 0) 66%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero__crumb .breadcrumb__list {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
}

.page-faq .faq-hero__eyebrow {
  color: var(--gold-soft);
  margin: 0;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 7.2vw, 84px);
  line-height: 1.04;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.page-faq .faq-hero__title-accent {
  display: block;
  color: var(--gold);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: rgba(243, 236, 224, .84);
}

.page-faq .faq-hero__aside {
  border-left: 2px solid rgba(214, 164, 74, .5);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero__aside-label {
  margin: 0 0 14px;
  font-size: 12.5px;
  color: var(--gold-soft);
}

.page-faq .faq-hero__aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero__aside-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(243, 236, 224, .86);
}

.page-faq .faq-hero__aside-num {
  font-size: 12px;
  color: var(--gold);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-tools {
  position: relative;
  z-index: 2;
  background: var(--pine);
  border-top: 1px solid rgba(240, 212, 155, .16);
  border-bottom: 1px solid rgba(240, 212, 155, .16);
  padding: 20px 0 18px;
}

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

.page-faq .faq-tools .filter-bar__label {
  color: var(--gold-soft);
}

.page-faq .faq-tools .filter-btn {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(243, 236, 224, .86);
  border-color: rgba(240, 212, 155, .3);
  background: rgba(8, 33, 29, .5);
}

.page-faq .faq-tools .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-tools .filter-btn__count {
  font-family: var(--font-mono);
  opacity: .78;
}

.page-faq .faq-tools__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 236, 224, .62);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-block {
  position: relative;
  padding: clamp(52px, 7vw, 96px) 0;
}

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

.page-faq .faq-block--sand {
  background: var(--sand);
}

.page-faq .faq-block__head {
  max-width: 60ch;
  margin: 22px 0 clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-block__desc {
  margin: 14px 0 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(22, 33, 30, .74);
  max-width: 56ch;
}

.page-faq .faq-block__figure {
  margin: 0 0 clamp(26px, 3.6vw, 44px);
}

.page-faq .faq-block__figure .img-frame__caption {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: rgba(22, 33, 30, .6);
  margin-top: 10px;
}

/* ---------- 问答折叠条目 ---------- */
.page-faq .qa-list {
  display: grid;
}

.page-faq .qa {
  position: relative;
  border-top: 1px solid var(--faq-soft-line);
  transition: background .28s var(--faq-ease), box-shadow .28s var(--faq-ease);
}

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

.page-faq .qa[open] {
  background: linear-gradient(100deg, rgba(228, 217, 198, .95) 0%, rgba(228, 217, 198, .5) 68%, rgba(228, 217, 198, 0) 100%);
  border-radius: 18px 6px 18px 6px;
  box-shadow: 0 16px 36px rgba(22, 33, 30, .08);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px 14px;
  align-items: start;
  padding: 20px 6px 20px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
  color: var(--ink-text);
  transition: color .2s var(--faq-ease), padding-left .24s var(--faq-ease);
}

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

.page-faq .qa__q:hover {
  color: var(--gold-deep);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-faq .qa[open] .qa__q {
  padding-left: 16px;
}

.page-faq .qa__no {
  font-size: 12.5px;
  color: var(--gold-deep);
  padding-top: 7px;
  white-space: nowrap;
}

.page-faq .qa__chev {
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform .26s var(--faq-ease);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(225deg);
}

.page-faq .qa__a {
  margin: 0 0 26px clamp(0px, 7%, 68px);
  padding: 4px 16px 4px 18px;
  border-left: 2px solid var(--faq-gold-line);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(22, 33, 30, .9);
}

.page-faq .qa__a p {
  margin: 0 0 12px;
}

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

.page-faq .qa__note {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(22, 33, 30, .64);
}

.page-faq .qa__more {
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .qa__more a {
  color: var(--gold-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__more a:hover {
  color: var(--cinnabar);
}

/* 步骤列表 */
.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--gold-deep);
  padding-top: 5px;
}

/* 五入口配对清单 */
.page-faq .qa__pairs {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .qa__pairs li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-soft-line);
}

.page-faq .qa__pairs li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .qa__pair-no {
  font-size: 12.5px;
  color: var(--gold-deep);
  padding-top: 5px;
}

.page-faq .qa__pairs strong {
  font-weight: 600;
}

/* 复制按钮 */
.page-faq .qa__copy {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 结尾反馈带 ---------- */
.page-faq .faq-outro {
  background:
    radial-gradient(96% 82% at 14% 4%, rgba(42, 35, 64, .78) 0%, rgba(8, 33, 29, 0) 64%),
    linear-gradient(180deg, #0F3A32 0%, #08211D 100%);
  color: var(--paper);
}

.page-faq .faq-outro .band__num,
.page-faq .faq-outro .band__line {
  color: var(--gold-soft);
  background-color: rgba(240, 212, 155, .3);
}

.page-faq .outro-card {
  position: relative;
  margin-top: 28px;
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--cinnabar);
  border-radius: var(--radius-organic);
  background: linear-gradient(140deg, rgba(201, 79, 38, .18) 0%, rgba(201, 79, 38, 0) 62%);
}

.page-faq .outro-card__label {
  margin: 0;
  font-size: 12.5px;
  color: var(--gold-soft);
}

.page-faq .outro-card__title {
  margin: 14px 0 0;
  color: var(--paper);
}

.page-faq .outro-card__lead {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(243, 236, 224, .8);
}

.page-faq .outro-card__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .outro-card__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(243, 236, 224, .88);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(240, 212, 155, .16);
}

.page-faq .outro-card__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .outro-card__no {
  font-size: 12px;
  color: var(--gold);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-tools__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-tools__hint {
    text-align: right;
  }

  .page-faq .faq-block__head {
    margin-left: 4%;
  }

  .page-faq .faq-block--sand .faq-block__head {
    margin-left: 8%;
  }

  .page-faq .faq-block__figure {
    max-width: 86%;
  }

  .page-faq .faq-block--sand .faq-block__figure {
    max-width: 74%;
    margin-left: auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .75fr);
    column-gap: clamp(32px, 5vw, 76px);
    align-items: end;
  }

  .page-faq .faq-hero__crumb {
    grid-column: 1 / -1;
  }

  .page-faq .faq-hero__aside {
    padding-bottom: 10px;
  }

  .page-faq .outro-card {
    max-width: 900px;
  }
}

@media (max-width: 480px) {
  .page-faq .qa__a {
    margin-left: 0;
    padding-right: 6px;
    padding-left: 14px;
  }

  .page-faq .qa[open] .qa__q {
    padding-left: 10px;
  }

  .page-faq .qa__q {
    gap: 8px 10px;
  }
}

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