/* ===== 资料库问答 · 页面专属样式 ===== */
.page-faq {
  --faq-plate-bg: #FBF8F3;
  --faq-line: 1px solid var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  color: var(--pearl);
  background:
    radial-gradient(130% 110% at 86% 0%, rgba(46, 140, 153, 0.34) 0%, rgba(46, 140, 153, 0) 58%),
    linear-gradient(155deg, var(--night-sea) 0%, var(--deep-sea) 58%, var(--mid-sea) 100%);
  padding: clamp(44px, 8vw, 88px) 0 clamp(72px, 11vw, 132px);
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(248, 246, 242, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 246, 242, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-faq .faq-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 48px;
  background: var(--pearl);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-masthead__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-masthead .breadcrumb {
  color: rgba(248, 246, 242, 0.66);
  font-size: 13px;
}

.page-faq .faq-masthead .breadcrumb a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 220, 203, 0.45);
}

.page-faq .faq-masthead .breadcrumb a:hover,
.page-faq .faq-masthead .breadcrumb a:focus-visible {
  border-bottom-color: var(--coral);
}

.page-faq .faq-kicker {
  margin-top: clamp(20px, 4vw, 36px);
  color: var(--coral);
}

.page-faq .faq-title {
  margin: 16px 0 20px;
  max-width: 15em;
  color: var(--pearl);
}

.page-faq .faq-lede {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 38px);
  color: rgba(248, 246, 242, 0.85);
}

.page-faq .faq-actions {
  gap: 14px;
  flex-wrap: wrap;
}

.page-faq .faq-actions .btn--ghost {
  color: var(--pearl);
  border-color: rgba(248, 246, 242, 0.42);
}

.page-faq .faq-actions .btn--ghost:hover,
.page-faq .faq-actions .btn--ghost:focus-visible {
  border-color: var(--coral);
  color: var(--coral-soft);
}

/* ---------- 图版 ---------- */
.page-faq .faq-plate {
  margin: 0;
  border: var(--faq-line);
  background: var(--faq-plate-bg);
  box-shadow: var(--shadow-1);
}

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

.page-faq .faq-plate__caption {
  padding: 13px 18px;
  border-top: var(--faq-line);
  background: var(--pearl);
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 目录索引 ---------- */
.page-faq .faq-index-section {
  background: var(--pearl);
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(56px, 9vw, 112px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-index-section .faq-plate {
  margin-bottom: clamp(38px, 6vw, 68px);
}

.page-faq .faq-index-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-index-head .section-title {
  margin-bottom: 12px;
}

.page-faq .faq-drawers {
  border-top: var(--faq-line);
}

.page-faq .faq-drawer {
  position: relative;
  border-bottom: var(--faq-line);
  background: var(--pearl);
  transition: background-color var(--t-micro) var(--ease);
}

.page-faq .faq-drawer[open] {
  background: #FFFFFF;
}

.page-faq .faq-drawer[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--coral);
}

.page-faq .faq-drawer__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 18px 8px 18px 14px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-drawer__head:hover .faq-drawer__name,
.page-faq .faq-drawer__head:focus-visible .faq-drawer__name {
  color: var(--mid-sea);
}

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

.page-faq .faq-drawer__num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--tide);
  padding: 3px 7px;
  border: 1px solid rgba(46, 140, 153, 0.38);
  border-radius: 2px;
}

.page-faq .faq-drawer__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
  transition: color var(--t-micro) var(--ease);
}

.page-faq .faq-drawer__meta {
  font-size: 12px;
  color: var(--graphite);
  white-space: nowrap;
}

.page-faq .faq-drawer__mark {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-faq .faq-drawer__mark::before,
.page-faq .faq-drawer__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--graphite);
  transition: transform var(--t-expand) var(--ease), background-color var(--t-micro) var(--ease);
}

.page-faq .faq-drawer__mark::before {
  width: 14px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-drawer__mark::after {
  width: 1.5px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-drawer[open] .faq-drawer__mark::before {
  background: var(--coral);
}

.page-faq .faq-drawer[open] .faq-drawer__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-drawer__panel {
  padding: 2px clamp(16px, 4vw, 28px) 22px;
}

.page-faq .qa {
  padding: 14px 0;
  border-top: 1px dashed var(--mist);
}

.page-faq .qa:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .qa__q {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--deep-sea);
}

.page-faq .qa__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 浅砂分区（共用底） ---------- */
.page-faq .faq-panel-sand {
  background: var(--sand);
  padding: clamp(52px, 8vw, 100px) 0;
}

/* ---------- 老用户对照 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
}

.page-faq .faq-split__text .section-title {
  margin: 12px 0 18px;
}

.page-faq .faq-split__text .measure {
  margin-bottom: clamp(24px, 4vw, 36px);
  color: var(--graphite);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--pearl);
  border: var(--faq-line);
  border-left: 3px solid var(--coral);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-step__num {
  font-size: 13px;
  color: var(--coral);
  padding-top: 3px;
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-plate--tall {
  align-self: start;
  background: var(--pearl);
}

/* ---------- 语言与访问 ---------- */
.page-faq .faq-lang-section {
  background: var(--pearl);
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-faq .faq-lang-section .section-title {
  margin: 12px 0 18px;
}

.page-faq .faq-lang-section .measure {
  color: var(--graphite);
}

.page-faq .faq-langs {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .faq-lang {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  border: var(--faq-line);
  border-top: 2px solid var(--deep-sea);
  background: #FFFFFF;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-lang__code {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--tide);
}

.page-faq .faq-lang__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-faq .faq-lang__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 设备与版本 ---------- */
.page-faq .faq-panel-deep {
  background: linear-gradient(150deg, var(--deep-sea) 0%, var(--night-sea) 100%);
  color: var(--pearl);
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-faq .kicker--light {
  color: var(--coral);
}

.page-faq .faq-deep-title {
  margin: 12px 0 18px;
  color: var(--pearl);
  max-width: 22em;
}

.page-faq .faq-deep-lede {
  margin-bottom: clamp(26px, 4vw, 42px);
  color: rgba(248, 246, 242, 0.82);
}

.page-faq .faq-devices {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid rgba(203, 210, 217, 0.28);
}

.page-faq .faq-device {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 4px;
  border-bottom: 1px solid rgba(203, 210, 217, 0.28);
}

.page-faq .faq-device__os {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--coral-soft);
}

.page-faq .faq-device__note {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(248, 246, 242, 0.82);
}

.page-faq .faq-deep-foot {
  margin: clamp(28px, 4vw, 40px) 0 0;
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  padding-bottom: clamp(60px, 9vw, 112px);
}

.page-faq .faq-next .section-title {
  margin: 12px 0 18px;
}

.page-faq .faq-next .measure {
  color: var(--graphite);
}

.page-faq .faq-paths {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: var(--pearl);
  border: var(--faq-line);
  box-shadow: var(--shadow-1);
  transition: transform var(--t-micro) var(--ease), box-shadow var(--t-micro) var(--ease);
}

.page-faq .faq-path:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-path__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--tide);
}

.page-faq .faq-path__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-faq .faq-path__text {
  margin: 0;
  flex: 1;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-path__link {
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--deep-sea);
  text-decoration: none;
  border-bottom: 2px solid var(--coral);
  padding-bottom: 2px;
}

.page-faq .faq-path__link:hover,
.page-faq .faq-path__link:focus-visible {
  color: var(--coral);
}

.page-faq .faq-aside {
  margin: clamp(26px, 4vw, 36px) 0 0;
  font-size: 14.5px;
  color: var(--graphite);
}

.page-faq .faq-aside a {
  color: var(--deep-sea);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--mid-sea);
}

.page-faq .faq-aside a:hover,
.page-faq .faq-aside a:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-drawer__head {
    gap: 18px;
    padding: 20px 12px 20px 18px;
  }

  .page-faq .faq-drawer__name {
    font-size: 18px;
  }

  .page-faq .faq-langs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-devices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
    border-top: 0;
  }

  .page-faq .faq-device {
    justify-content: space-between;
    border-top: 1px solid rgba(203, 210, 217, 0.28);
  }

  .page-faq .faq-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-faq .faq-index-section .faq-plate {
    margin-bottom: clamp(52px, 5vw, 76px);
  }

  .page-faq .faq-drawer__panel {
    padding-left: clamp(32px, 4vw, 48px);
    padding-right: clamp(32px, 4vw, 48px);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path,
  .page-faq .faq-drawer,
  .page-faq .faq-drawer__mark::before,
  .page-faq .faq-drawer__mark::after {
    transition: none;
  }

  .page-faq .faq-path:hover {
    transform: none;
  }
}