.page-faq {
  --faq-card-bg: rgba(20, 51, 42, 0.5);
  --faq-panel-bg: rgba(11, 31, 26, 0.78);
  display: block;
  background: var(--c-deep);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(80% 60% at 100% 0, rgba(61, 242, 192, 0.1), transparent 62%),
    var(--c-deep);
}

.page-faq .faq-hero .breadcrumbs {
  padding-top: 20px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  padding: 22px 0 40px;
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-faq .faq-hero__lead .lede {
  margin: 16px 0 0;
  max-width: 36em;
  color: var(--c-white);
  opacity: 0.88;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__status {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--faq-card-bg);
  padding: 20px;
}

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

.page-faq .faq-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  line-height: 1.4;
}

.page-faq .faq-status__name {
  color: var(--c-white);
}

.page-faq .faq-status__meta {
  margin-left: auto;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-orange);
}

/* ---------- 分区题头 ---------- */
.page-faq .faq-topics .section-head {
  margin-bottom: 26px;
}

/* ---------- 分段切换 ---------- */
.page-faq .faq-tabs {
  display: grid;
  gap: 18px;
}

.page-faq .faq-tabs .tabs-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-faq .faq-tabs .tabs-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs .tabs-tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-grey);
  background: var(--faq-card-bg);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-tabs .tabs-tab:hover {
  color: var(--c-white);
  border-color: var(--c-cyan);
}

.page-faq .faq-tabs .tabs-tab[aria-selected="true"] {
  color: var(--c-deep);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-faq .faq-tabs .tabs-tab:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-faq .faq-panel {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--faq-panel-bg);
  padding: 22px 18px 24px;
}

.page-faq .faq-panel h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.35;
  color: var(--c-white);
}

.page-faq .faq-panel > .prose {
  margin: 14px 0 0;
}

.page-faq .faq-next {
  margin: 22px 0 0;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  position: relative;
  padding: 18px 18px 18px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background: var(--faq-card-bg);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--c-cyan), rgba(61, 242, 192, 0));
}

.page-faq .faq-step:nth-child(2)::before {
  background: linear-gradient(180deg, var(--c-orange), rgba(255, 138, 61, 0));
}

.page-faq .faq-step__num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-faq .faq-step__title {
  margin: 8px 0 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-white);
}

.page-faq .faq-step__text {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-white);
  opacity: 0.86;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure .figure-media,
.page-faq .faq-figure img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  object-position: center;
}

/* ---------- iOS 端能力清单 ---------- */
.page-faq .faq-ios-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-ios-list li {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background: var(--faq-card-bg);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-white);
  opacity: 0.9;
}

.page-faq .faq-ios-list .tag {
  justify-self: start;
}

/* ---------- 问答块 ---------- */
.page-faq .faq-qa {
  margin-top: 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background: rgba(20, 51, 42, 0.42);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.page-faq .faq-qa[open] {
  border-color: var(--c-cyan);
}

.page-faq .faq-qa > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-white);
}

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

.page-faq .faq-qa > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .faq-qa[open] > summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-faq .faq-qa > summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-faq .faq-qa__body {
  padding: 0 18px 18px 40px;
  font-size: 16px;
  color: var(--c-white);
  opacity: 0.86;
}

/* ---------- 联系块 ---------- */
.page-faq .faq-help__card {
  border: 1px solid var(--c-orange-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 138, 61, 0.1), rgba(20, 51, 42, 0.6));
  padding: 26px 20px 28px;
}

.page-faq .faq-help__card h2 {
  margin: 12px 0 0;
}

.page-faq .faq-help__card > .prose {
  margin: 14px 0 0;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  font-size: 16px;
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--c-mist);
  word-break: break-all;
}

.page-faq .faq-help__card .faq-next {
  margin-top: 24px;
}

/* ---------- 无脚本时四段内容全部展开可见 ---------- */
.page-faq:not(.has-js) .page-faq .tabs-panel[hidden] {
  display: block;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__inner {
    padding: 28px 0 52px;
  }

  .page-faq .faq-hero__lead h1 {
    font-size: 44px;
  }

  .page-faq .faq-panel {
    padding: 30px 32px 32px;
  }

  .page-faq .faq-panel h3 {
    font-size: 26px;
  }

  .page-faq .faq-steps {
    gap: 16px;
  }

  .page-faq .faq-step {
    padding: 22px 24px 22px 30px;
  }

  .page-faq .faq-qa__body {
    padding: 0 24px 20px 52px;
  }

  .page-faq .faq-help__card {
    padding: 34px 32px 36px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 52px;
    padding: 36px 0 64px;
  }

  .page-faq .faq-hero__lead h1 {
    font-size: 54px;
  }

  .page-faq .faq-tabs .tabs-list {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-faq .faq-ios-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-ios-list li {
    grid-template-rows: auto 1fr;
  }

  .page-faq .faq-figure img {
    max-height: 460px;
  }

  .page-faq .faq-help__card {
    display: grid;
    gap: 22px;
    padding: 44px 44px 46px;
  }

  .page-faq .faq-help__card .faq-next {
    margin-top: 0;
  }
}

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