.page-faq {
  --faq-pad: clamp(1.25rem, 2.4vw, 1.9rem);
  --faq-gap: clamp(.9rem, 1.6vw, 1.25rem);
  --faq-max: 880px;
  --faq-radius: 24px;
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

/* 页面导引 */
.page-faq .faq-intro {
  padding-block: 2.25rem 3rem;
}
.page-faq .faq-intro .echo-breadcrumb {
  margin-bottom: 1.5rem;
}
.page-faq .faq-intro__title {
  font-size: clamp(2.1rem, 5.2vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: .5rem 0 1rem;
}
.page-faq .faq-intro__lede {
  max-width: 44rem;
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(30, 30, 36, .78);
}
.page-faq .faq-intro__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: .8rem;
  margin-top: 2rem;
}
.page-faq .faq-intro__fact {
  padding: .95rem 1.1rem;
  background: var(--white);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-intro__value {
  display: block;
  font-family: var(--font-num);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--red);
}
.page-faq .faq-intro__label {
  display: block;
  margin-top: .25rem;
  font-size: .8rem;
  line-height: 1.4;
  color: rgba(30, 30, 36, .64);
}

/* 快速导引 */
.page-faq .faq-guide {
  position: relative;
  padding-block: 2.6rem 3.4rem;
  background-color: var(--ink);
  background-image: radial-gradient(rgba(212, 175, 55, .13) 1px, transparent 1.6px);
  background-size: 22px 22px;
  color: var(--white);
}
.page-faq .faq-guide__banner {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 2.4rem;
  border: 1px solid rgba(245, 240, 230, .12);
  border-radius: var(--radius-lg);
  box-shadow: 0 22px 44px rgba(0, 0, 0, .35);
}
.page-faq .faq-guide__head .echo-kicker {
  color: var(--gold);
}
.page-faq .faq-guide__head .echo-title {
  margin-bottom: .5rem;
  color: var(--white);
}
.page-faq .faq-guide__lede {
  max-width: 42rem;
  margin: 0;
  font-size: .98rem;
  line-height: 1.8;
  color: rgba(245, 240, 230, .68);
}
.page-faq .faq-guide__grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 76%;
  gap: 1rem;
  margin-top: 2.1rem;
  padding-bottom: .75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.page-faq .faq-guide__grid::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-guide__card {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: 1.1rem 1.2rem;
  background: rgba(245, 240, 230, .07);
  border: 1px solid rgba(245, 240, 230, .16);
  border-radius: var(--radius-md);
  color: var(--white);
  text-decoration: none;
  scroll-snap-align: start;
  transition: background .25s, border-color .25s, transform .25s;
}
.page-faq .faq-guide__card:hover,
.page-faq .faq-guide__card:focus-visible {
  background: rgba(245, 240, 230, .14);
  border-color: var(--gold);
  transform: translateY(-4px);
}
.page-faq .faq-guide__card:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.page-faq .faq-guide__num {
  flex: none;
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(212, 175, 55, .7);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--font-num);
  font-size: .85rem;
  font-weight: 700;
}
.page-faq .faq-guide__text {
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.55;
}

/* 问题区块布局 */
.page-faq .faq-band {
  position: relative;
  padding-block: 3.4rem 3.8rem;
  scroll-margin-top: 5rem;
}
.page-faq .faq-band--gray {
  background: var(--barley);
}
.page-faq .faq-band--pattern {
  background-color: var(--paper);
  background-image:
    linear-gradient(45deg, transparent 46%, rgba(30, 107, 168, .05) 50%, transparent 54%),
    linear-gradient(-45deg, transparent 46%, rgba(30, 107, 168, .05) 50%, transparent 54%);
  background-size: 34px 34px;
}
.page-faq .faq-layout__rail {
  margin-bottom: 1.8rem;
}
.page-faq .faq-layout__rail .echo-index {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(3rem, 7vw, 4.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--blue);
}
.page-faq .faq-layout__tag {
  display: inline-block;
  margin-top: .6rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--red);
}
.page-faq .faq-layout__rail .echo-title {
  margin-top: .4rem;
}
.page-faq .faq-layout__lede {
  max-width: 46rem;
  margin: 0 0 1.6rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(30, 30, 36, .72);
}

/* 折叠面板 */
.page-faq .faq-panels {
  display: grid;
  gap: var(--faq-gap);
  max-width: var(--faq-max);
}
.page-faq .faq-panel {
  background: var(--white);
  border: 1px solid rgba(30, 30, 36, .08);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  scroll-margin-top: 6.5rem;
  transition: border-color .25s, box-shadow .25s;
}
.page-faq .faq-panel[open] {
  border-color: rgba(30, 107, 168, .3);
}
.page-faq .faq-panel:target {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(30, 107, 168, .14), var(--shadow-pop);
}
.page-faq .faq-panel summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: var(--faq-pad);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.page-faq .faq-panel summary::-webkit-details-marker,
.page-faq .faq-panel summary::marker {
  display: none;
  content: "";
}
.page-faq .faq-panel summary:hover {
  background: rgba(245, 240, 230, .5);
}
.page-faq .faq-panel summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}
.page-faq .faq-panel__icon {
  flex: none;
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: 0 6px 12px rgba(30, 107, 168, .22);
}
.page-faq .faq-panel__q {
  flex: 1;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.6;
}
.page-faq .faq-panel__toggle {
  flex: none;
  position: relative;
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid rgba(30, 30, 36, .14);
  border-radius: 50%;
  transition: background .25s, border-color .25s;
}
.page-faq .faq-panel__toggle::before,
.page-faq .faq-panel__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ink);
  border-radius: 2px;
}
.page-faq .faq-panel__toggle::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.page-faq .faq-panel__toggle::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
  transition: opacity .2s;
}
.page-faq .faq-panel[open] .faq-panel__toggle {
  background: var(--red);
  border-color: var(--red);
}
.page-faq .faq-panel[open] .faq-panel__toggle::before,
.page-faq .faq-panel[open] .faq-panel__toggle::after {
  background: var(--white);
}
.page-faq .faq-panel[open] .faq-panel__toggle::after {
  opacity: 0;
}
.page-faq .faq-panel__body {
  padding: .1rem var(--faq-pad) calc(var(--faq-pad) * .85);
  margin-left: 3.6rem;
  animation: faq-panel-drop .32s cubic-bezier(.2, .7, .3, 1);
}
.page-faq .faq-panel__body p {
  margin: .5rem 0;
  font-size: .96rem;
  line-height: 1.85;
  color: rgba(30, 30, 36, .8);
}
.page-faq .faq-panel__body p:first-child {
  margin-top: 0;
}
.page-faq .faq-panel__body a {
  color: var(--blue);
}
.page-faq .faq-panel__body a:hover {
  color: var(--red);
}

/* 版本切换流程 */
.page-faq .faq-flow {
  display: grid;
  gap: 1.5rem;
  max-width: var(--faq-max);
  margin-top: 2.6rem;
}
.page-faq .faq-figure {
  margin: 0;
  padding: .55rem;
  background: var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - .55rem);
}
.page-faq .faq-figure figcaption {
  padding: .8rem .4rem .3rem;
  font-family: var(--font-num);
  font-size: .76rem;
  letter-spacing: .02em;
  text-align: center;
  color: rgba(245, 240, 230, .72);
}
.page-faq .faq-steps {
  display: grid;
  gap: .85rem;
  align-content: center;
}
.page-faq .faq-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  background: var(--white);
  border-radius: calc(var(--radius-md) - 4px);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-step__num {
  flex: none;
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(212, 175, 55, .16);
  color: var(--gold);
  font-family: var(--font-num);
  font-size: .9rem;
  font-weight: 700;
}
.page-faq .faq-step h3 {
  margin: .1rem 0 .25rem;
  font-size: 1rem;
  line-height: 1.4;
}
.page-faq .faq-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(30, 30, 36, .72);
}

/* 资源引导条 */
.page-faq .faq-resource {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--faq-max);
  margin-top: 1.8rem;
  padding: 1.25rem 1.4rem;
  background: var(--white);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-resource h3 {
  margin: 0 0 .3rem;
  font-size: 1rem;
  line-height: 1.4;
}
.page-faq .faq-resource p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.65;
  color: rgba(30, 30, 36, .68);
}

/* 联系客服 */
.page-faq .faq-contact {
  padding-block: 4rem 4.5rem;
  background-color: var(--red);
  background-image:
    radial-gradient(ellipse at 88% -8%, rgba(255, 255, 255, .16), transparent 44%),
    radial-gradient(ellipse at 4% 112%, rgba(212, 175, 55, .24), transparent 42%);
  scroll-margin-top: 5rem;
}
.page-faq .faq-contact__card {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 3.4rem);
  background: var(--paper);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 30px 60px rgba(50, 10, 8, .3);
}
.page-faq .faq-contact__card::before {
  content: "";
  position: absolute;
  inset: .7rem;
  border: 1px solid rgba(194, 55, 43, .22);
  border-radius: calc(var(--radius-lg) - .7rem);
  pointer-events: none;
}
.page-faq .faq-contact__kicker {
  display: inline-block;
  padding: .35rem .9rem;
  border-radius: var(--radius-pill);
  background: rgba(194, 55, 43, .08);
  color: var(--red);
  font-family: var(--font-num);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.page-faq .faq-contact__card h2 {
  position: relative;
  margin: 1rem 0 .6rem;
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  line-height: 1.35;
}
.page-faq .faq-contact__lede {
  position: relative;
  max-width: 34rem;
  margin: 0 auto 2rem;
  font-size: .98rem;
  line-height: 1.8;
  color: rgba(30, 30, 36, .76);
}
.page-faq .faq-contact__channels {
  position: relative;
  display: grid;
  gap: 1rem;
  margin-bottom: 2.2rem;
}
.page-faq .faq-contact__channel {
  padding: 1.25rem 1.4rem 1.1rem;
  background: var(--white);
  border: 1px solid rgba(30, 30, 36, .07);
  border-radius: var(--radius-md);
  text-align: left;
}
.page-faq .faq-contact__channel-label {
  display: block;
  margin-bottom: .35rem;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
}
.page-faq .faq-contact__channel-value {
  display: block;
  font-family: var(--font-num);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.4;
  word-break: break-all;
}
.page-faq a.faq-contact__channel-value {
  color: var(--blue);
}
.page-faq a.faq-contact__channel-value:hover {
  color: var(--red);
  text-decoration: underline;
}
.page-faq .faq-contact__channel-note {
  display: block;
  margin-top: .45rem;
  font-size: .8rem;
  line-height: 1.55;
  color: rgba(30, 30, 36, .6);
}
.page-faq .faq-contact__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}
.page-faq .faq-toplink {
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 2.6rem auto 0;
  font-size: .85rem;
  color: rgba(255, 255, 255, .85);
  text-decoration: none;
  transition: color .2s;
}
.page-faq .faq-toplink:hover {
  color: var(--gold);
}

/* 动画 */
@keyframes faq-panel-drop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel__body {
    animation: none;
  }
  .page-faq .faq-panel__toggle,
  .page-faq .faq-guide__card,
  .page-faq .faq-toplink {
    transition: none;
  }
}

/* 响应式 */
@media (max-width: 479px) {
  .page-faq .faq-panel__body {
    margin-left: 0;
  }
  .page-faq .faq-panel__icon {
    width: 2.3rem;
    height: 2.3rem;
    font-size: 1.05rem;
  }
  .page-faq .faq-panel summary {
    gap: .8rem;
  }
  .page-faq .faq-panel__toggle {
    width: 1.7rem;
    height: 1.7rem;
  }
}
@media (min-width: 560px) {
  .page-faq .faq-intro__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-intro__value {
    font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  }
  .page-faq .faq-contact__channels {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 820px) {
  .page-faq .faq-guide__grid {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    grid-template-columns: repeat(5, 1fr);
    overflow: visible;
    scroll-snap-type: none;
    padding-bottom: 0;
  }
  .page-faq .faq-flow {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }
}
@media (min-width: 960px) {
  .page-faq .faq-intro__grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 3rem;
    align-items: end;
  }
  .page-faq .faq-intro__facts {
    margin-top: 0;
  }
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    align-items: start;
  }
  .page-faq .faq-layout__rail {
    position: sticky;
    top: 5.5rem;
    margin-bottom: 0;
  }
}