.page-faq {
  --fq-rail: rgba(255, 77, 28, .5);
  --fq-rail-soft: rgba(23, 178, 106, .18);
  display: block;
}

/* 面包屑 */
.page-faq .fq-crumbs-wrap {
  padding-top: clamp(16px, 3.4vw, 30px);
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-faq .crumbs li {
  display: inline-flex;
  align-items: center;
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin: 0 8px 0 2px;
  color: rgba(140, 163, 184, .45);
}

.page-faq .crumbs a {
  color: var(--steel);
  text-decoration: none;
  transition: color .2s ease;
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--glow);
}

/* 首屏 */
.page-faq .fq-hero {
  padding-top: clamp(20px, 4vw, 44px);
  padding-bottom: clamp(26px, 5vw, 56px);
}

.page-faq .fq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 46px);
}

.page-faq .fq-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -.035em;
  color: var(--lamp);
}

.page-faq .fq-hero__copy .lead {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--stand);
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.72;
}

.page-faq .fq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .fq-quick a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink);
  color: var(--lamp);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.page-faq .fq-quick a:hover,
.page-faq .fq-quick a:focus-visible {
  border-color: var(--flare);
  color: var(--flare);
  transform: translateY(-2px);
}

.page-faq .fq-quick b {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--night);
  background: var(--glow);
  border-radius: 999px;
  padding: 2px 7px;
}

.page-faq .fq-hero__figure {
  margin: 0;
}

.page-faq .fq-hero__figure .figure__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-faq .fq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .fq-hero__figure .figure__cap {
  margin-top: 12px;
  color: var(--steel);
  font-size: 13px;
  line-height: 1.6;
}

/* 主体两栏 */
.page-faq .fq-head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .fq-head .section__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--lamp);
}

.page-faq .fq-head .section__note {
  color: var(--steel);
  font-size: 14.5px;
}

.page-faq .fq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 42px);
}

/* 步骤时间线 */
.page-faq .fq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-faq .fq-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(18px, 2.6vw, 26px) clamp(16px, 2.6vw, 26px) clamp(18px, 2.6vw, 26px) clamp(12px, 2vw, 20px);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: border-color .25s ease, background .25s ease;
}

.page-faq .fq-step:hover {
  border-color: rgba(94, 224, 138, .38);
}

.page-faq .fq-step__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
}

.page-faq .fq-step__num {
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--flare);
  color: var(--night);
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-faq .fq-step__mark::after {
  content: "";
  flex: 1;
  width: 2px;
  margin-top: 10px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--fq-rail), var(--fq-rail-soft));
}

.page-faq .fq-step:last-child .fq-step__mark::after {
  display: none;
}

.page-faq .fq-step__body h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--lamp);
}

.page-faq .fq-step__body p {
  margin: 0 0 12px;
  color: var(--stand);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-faq .fq-step__body p:last-of-type {
  margin-bottom: 0;
}

.page-faq .fq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .fq-tags .tag {
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .02em;
}

/* 折叠问答 */
.page-faq .fq-questions {
  margin-top: clamp(34px, 5vw, 58px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .fq-faq {
  display: grid;
  gap: 10px;
}

.page-faq .fq-faq details {
  background: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: border-color .2s ease;
}

.page-faq .fq-faq details[open] {
  border-color: rgba(255, 201, 60, .4);
}

.page-faq .fq-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--lamp);
}

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

.page-faq .fq-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-data);
  font-size: 18px;
  color: var(--flare);
}

.page-faq .fq-faq details[open] summary::after {
  content: "−";
  color: var(--signal);
}

.page-faq .fq-faq__a {
  padding: 0 18px 18px;
  color: var(--stand);
  font-size: 14.8px;
  line-height: 1.75;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin: 0 0 0;
}

/* 侧栏 */
.page-faq .fq-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .fq-side__card {
  padding: 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-faq .fq-side__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -.01em;
  color: var(--lamp);
}

.page-faq .fq-side__card--nav {
  background: var(--slate);
}

.page-faq .fq-side__card--notes {
  background: var(--ink);
  border-top: 3px solid var(--grass);
}

.page-faq .fq-side__card--cta {
  background: var(--flare);
  border-color: transparent;
}

.page-faq .fq-side__card--cta .fq-side__title,
.page-faq .fq-side__card--cta .fq-side__text {
  color: var(--night);
}

.page-faq .fq-anchors {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .fq-anchors a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  color: var(--stand);
  font-size: 14.5px;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.page-faq .fq-anchors a span {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--glow);
  min-width: 20px;
}

.page-faq .fq-anchors a:hover,
.page-faq .fq-anchors a:focus-visible {
  background: rgba(94, 224, 138, .1);
  color: var(--lamp);
}

.page-faq .fq-anchors a.is-active {
  background: rgba(255, 77, 28, .16);
  color: var(--lamp);
  box-shadow: inset 3px 0 0 var(--flare);
}

.page-faq .fq-side__figure {
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--slate);
  margin-bottom: 14px;
}

.page-faq .fq-side__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .fq-side__text {
  margin: 0 0 14px;
  color: var(--stand);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .fq-notes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .fq-notes li {
  color: var(--steel);
  font-size: 13.8px;
  line-height: 1.55;
}

.page-faq .fq-notes b {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(23, 178, 106, .18);
  color: var(--glow);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
}

.page-faq .fq-side__btn {
  display: inline-flex;
  width: 100%;
  justify-content: center;
  background: var(--night);
  color: var(--lamp);
  border-color: var(--night);
}

.page-faq .fq-side__btn:hover,
.page-faq .fq-side__btn:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--glow);
}

/* 延伸入口 */
.page-faq .fq-next {
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .fq-next__panel {
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--ink) 0%, var(--slate) 100%);
  border: 1px solid var(--line);
}

.page-faq .fq-next__head h2 {
  margin: 10px 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  letter-spacing: -.03em;
  color: var(--lamp);
}

.page-faq .fq-next__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .fq-next__list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: rgba(7, 19, 15, .55);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color .22s ease, transform .22s ease;
}

.page-faq .fq-next__list a:hover,
.page-faq .fq-next__list a:focus-visible {
  border-color: var(--flare);
  transform: translateY(-3px);
}

.page-faq .fq-next__list b {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15.5px;
  color: var(--lamp);
}

.page-faq .fq-next__list span {
  color: var(--steel);
  font-size: 13.5px;
  line-height: 1.6;
}

/* 响应式 */
@media (min-width: 620px) {
  .page-faq .fq-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .fq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }
}

@media (min-width: 1020px) {
  .page-faq .fq-layout {
    grid-template-columns: minmax(0, 1.72fr) minmax(296px, .95fr);
    align-items: start;
  }

  .page-faq .fq-side {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (min-width: 1180px) {
  .page-faq .fq-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-faq .fq-step {
    grid-template-columns: 38px minmax(0, 1fr);
    padding-right: 14px;
  }

  .page-faq .fq-step__num {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fq-quick a,
  .page-faq .fq-next__list a {
    transition: none;
    transform: none;
  }
}