/* ===== 支持中心 page-faq ===== */
.page-faq {
  --faq-max-w: 1240px;
  --faq-card-bg: var(--jbo-bg-elevated);
  --faq-border: var(--jbo-border);
  --faq-accent: var(--jbo-accent);
  --faq-accent-alt: var(--jbo-accent-2);
  --faq-text: var(--jbo-text);
  --faq-muted: var(--jbo-text-muted);
  background:
    radial-gradient(1100px 600px at 90% -10%, rgba(138, 43, 226, 0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(0, 240, 255, 0.06), transparent 55%),
    var(--jbo-bg);
  color: var(--faq-text);
  line-height: 1.7;
}

.page-faq .faq-container {
  max-width: var(--faq-max-w);
  margin-inline: auto;
  padding-inline: 20px;
}

/* 面包屑 */
.page-faq .faq-breadcrumb {
  padding: 20px 0 0;
}

.page-faq .faq-breadcrumb__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--faq-muted);
}

.page-faq .faq-breadcrumb__inner a {
  color: var(--faq-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.page-faq .faq-breadcrumb__inner a:hover,
.page-faq .faq-breadcrumb__inner a:focus-visible {
  color: var(--faq-accent);
  outline: none;
}

/* 顶部进度条 */
.page-faq .faq-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 999;
  background: linear-gradient(90deg, var(--faq-accent), var(--faq-accent-3));
  transform-origin: left;
  transform: scaleX(0);
  pointer-events: none;
}

/* Hero 区 */
.page-faq .faq-hero {
  position: relative;
  padding: 44px 0 36px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -30%;
  width: 70%;
  height: 100%;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.35), transparent 72%);
  transform: skewX(-18deg);
  border-radius: 28px;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero__tag {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--faq-accent);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--faq-accent);
  letter-spacing: 0.06em;
  background: rgba(57, 255, 20, 0.06);
}

.page-faq .faq-hero__text h1 {
  margin: 18px 0 14px;
  font-size: clamp(1.8rem, 5.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.01em;
  font-style: italic;
}

.page-faq .faq-hero__desc {
  color: var(--faq-muted);
  font-size: 1.05rem;
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-hero__search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  max-width: 560px;
  padding: 14px 18px;
  background: var(--faq-card-bg);
  border: 2px solid var(--faq-border);
  border-radius: var(--jbo-radius);
  box-shadow: var(--jbo-shadow);
  color: var(--faq-muted);
}

.page-faq .faq-hero__search svg {
  flex-shrink: 0;
  color: var(--faq-accent);
}

.page-faq .faq-hero__search span {
  font-size: 0.93rem;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .faq-hero__tags span {
  font-size: 0.76rem;
  color: var(--faq-muted);
  border: 1px solid var(--faq-border);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(18, 26, 42, 0.55);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 20px;
  background: rgba(18, 26, 42, 0.85);
  border: 1px solid var(--faq-border);
  border-radius: var(--jbo-radius);
  min-width: 118px;
  box-shadow: 4px 4px 0 rgba(57, 255, 20, 0.08);
}

.page-faq .faq-hero__stat dt {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--faq-accent);
}

.page-faq .faq-hero__stat dd {
  margin: 0;
  font-size: 0.85rem;
  color: var(--faq-muted);
}

.page-faq .faq-hero__visual {
  position: relative;
}

.page-faq .faq-hero__shape {
  position: absolute;
  inset: -8% -4% -8% 12%;
  background: linear-gradient(140deg, rgba(138, 43, 226, 0.32), transparent 70%);
  clip-path: polygon(0 10%, 90% 0, 100% 90%, 10% 100%);
  z-index: 0;
}

.page-faq .faq-hero__visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: 16px;
  border: 2px solid var(--faq-border);
  box-shadow: 10px 10px 0 rgba(138, 43, 226, 0.18);
}

.page-faq .faq-hero__vertical {
  position: absolute;
  right: -12px;
  top: 50%;
  transform: rotate(90deg) translateX(-50%);
  transform-origin: right top;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.26em;
  color: var(--faq-accent);
  z-index: 2;
  text-transform: uppercase;
  white-space: nowrap;
}

/* 主区域 */
.page-faq .faq-main {
  padding: 24px 0 72px;
}

.page-faq .faq-main__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

/* 左侧索引 */
.page-faq .faq-index {
  position: relative;
  padding: 20px;
  background: linear-gradient(180deg, rgba(138, 43, 226, 0.18), rgba(10, 17, 40, 0.6));
  border: 2px solid rgba(138, 43, 226, 0.5);
  border-radius: var(--jbo-radius);
  box-shadow: var(--jbo-shadow);
}

.page-faq .faq-index__eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-accent-alt);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  color: var(--faq-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.97rem;
  border-radius: 0 8px 8px 0;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.page-faq .faq-index__list a span {
  min-width: 24px;
  font-size: 0.82rem;
  color: var(--faq-accent-alt);
  font-weight: 800;
  transition: color 0.2s;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(57, 255, 20, 0.08);
  border-left-color: var(--faq-accent);
  color: var(--faq-accent);
  outline: none;
}

.page-faq .faq-index__list a:hover span,
.page-faq .faq-index__list a:focus-visible span {
  color: var(--faq-accent);
}

.page-faq .faq-index__tip {
  margin-top: 18px;
  padding: 14px;
  border: 1px dashed var(--faq-border);
  border-radius: 10px;
  background: rgba(10, 17, 40, 0.5);
}

.page-faq .faq-index__tip-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--faq-warning);
  margin-bottom: 6px;
}

.page-faq .faq-index__tip p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--faq-muted);
  line-height: 1.6;
}

.page-faq .faq-index__tip kbd {
  font-family: var(--jbo-font-sans);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--faq-accent);
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid var(--faq-border);
  border-radius: 4px;
  padding: 1px 6px;
}

/* 右侧内容 */
.page-faq .faq-content {
  display: grid;
  gap: 40px;
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--faq-border);
  padding-bottom: 14px;
}

.page-faq .faq-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--faq-accent-alt);
  color: var(--faq-text);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  box-shadow: 4px 4px 0 rgba(138, 43, 226, 0.35);
}

.page-faq .faq-section__head h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 900;
  font-style: italic;
  line-height: 1.2;
}

.page-faq .faq-section__head p {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--faq-muted);
}

/* 折叠面板 */
.page-faq .faq-item {
  border: 2px solid var(--faq-border);
  border-radius: var(--jbo-radius);
  background: var(--faq-card-bg);
  box-shadow: 6px 6px 0 rgba(138, 43, 226, 0.12);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.28s, box-shadow 0.28s;
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--faq-text);
  transition: background 0.25s, color 0.25s;
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  background: rgba(57, 255, 20, 0.06);
  outline: none;
}

.page-faq .faq-item[open] summary {
  background: rgba(57, 255, 20, 0.05);
  color: var(--faq-accent);
}

.page-faq .faq-item__marker {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 6px;
  border: 2px solid var(--faq-accent-alt);
  transition: border-color 0.28s, background 0.28s, transform 0.28s;
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: var(--faq-accent-alt);
  transform: translate(-50%, -50%);
  transition: background 0.28s, transform 0.28s;
}

.page-faq .faq-item__marker::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__marker {
  border-color: var(--faq-accent);
  transform: rotate(180deg);
}

.page-faq .faq-item[open] .faq-item__marker::before,
.page-faq .faq-item[open] .faq-item__marker::after {
  background: var(--faq-accent);
}

.page-faq .faq-item__answer {
  padding: 4px 20px 20px 56px;
  color: var(--faq-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .faq-item__answer p {
  margin: 0 0 10px;
}

.page-faq .faq-item__answer a {
  color: var(--faq-accent);
  font-weight: 700;
  text-decoration: none;
}

.page-faq .faq-item__answer a:hover,
.page-faq .faq-item__answer a:focus-visible {
  text-decoration: underline;
  outline: none;
}

.page-faq .faq-item__link {
  display: inline-block;
  margin-top: 4px;
}

.page-faq .faq-item__steps {
  margin: 6px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-item__steps li::marker {
  color: var(--faq-accent);
}

/* 苹果设备图片 */
.page-faq .faq-apple__figure {
  margin: 0 0 16px;
  padding: 0;
}

.page-faq .faq-apple__frame {
  position: relative;
  border: 2px solid var(--faq-border);
  border-radius: var(--jbo-radius);
  overflow: hidden;
  box-shadow: 8px 8px 0 rgba(138, 43, 226, 0.18);
}

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

.page-faq .faq-apple__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(10, 17, 40, 0.8);
  border: 1px solid var(--faq-accent);
  color: var(--faq-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-faq .faq-apple__figure figcaption {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--faq-muted);
  text-align: center;
}

/* 联系支持 */
.page-faq .faq-section--contact {
  scroll-margin-top: 96px;
}

.page-faq .faq-contact__entry {
  padding: 18px 20px;
  border: 2px solid rgba(138, 43, 226, 0.5);
  border-radius: var(--jbo-radius);
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.15), rgba(18, 26, 42, 0.6));
  box-shadow: var(--jbo-shadow);
  margin-bottom: 16px;
}

.page-faq .faq-contact__entry p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--faq-text);
  line-height: 1.8;
}

.page-faq .faq-contact__entry strong {
  color: var(--faq-accent);
  font-weight: 800;
  word-break: break-all;
}

.page-faq .faq-contact__list {
  margin: 0 0 16px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.page-faq .faq-contact__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-border);
  border-radius: 10px;
}

.page-faq .faq-contact__cell dt {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--faq-muted);
  letter-spacing: 0.05em;
}

.page-faq .faq-contact__cell dd {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--faq-text);
  word-break: break-all;
}

.page-faq .faq-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-contact__links a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--faq-border);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--faq-text);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.page-faq .faq-contact__links a:hover,
.page-faq .faq-contact__links a:focus-visible {
  border-color: var(--faq-accent);
  color: var(--faq-accent);
  background: rgba(57, 255, 20, 0.06);
  outline: none;
}

/* 折叠内容动画 */
.page-faq .faq-item[open] .faq-item__answer {
  animation: faqAnswerIn 0.28s ease;
}

@keyframes faqAnswerIn {
  from {
    opacity: 0.4;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 平板端 */
@media (min-width: 600px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
  }

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

/* 桌面端 */
@media (min-width: 1024px) {
  .page-faq .faq-container {
    padding-inline: 32px;
  }

  .page-faq .faq-hero {
    padding: 64px 0 48px;
  }

  .page-faq .faq-main {
    padding: 28px 0 96px;
  }

  .page-faq .faq-main__grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--jbo-header-height) + 16px);
  }

  .page-faq .faq-section {
    margin-left: 0;
  }

  .page-faq .faq-section:nth-of-type(even) {
    margin-left: 28px;
  }

  .page-faq .faq-item__answer {
    padding-right: 32px;
  }
}

/* 超大屏 */
@media (min-width: 1440px) {
  .page-faq .faq-main__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 72px;
  }
}

.page-faq {
  --faq-accent-3: transparent;
  --faq-warning: currentColor;
}