/* ===== 全通直播使用帮助页 faq 专属样式 ===== */
.page-faq {
  --faq-gold: #FFC107;
  --faq-cyan: #00D4FF;
  --faq-pink: #FF69B4;
  --faq-green: #00FF88;
  --faq-coral: #FF7F50;
  --faq-purple-1: #1B0A3F;
  --faq-purple-2: #4B12B0;
  --faq-purple-3: #7B2FF7;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ---- 首屏刊头：面包屑 + 页面标题 + 快速入口 ---- */
.page-faq .faq-hero {
  background: linear-gradient(135deg, var(--faq-purple-1) 0%, var(--faq-purple-2) 70%, var(--faq-purple-3) 135%);
  padding: 22px 0 30px;
}
.page-faq .faq-hero .breadcrumb { margin: 0 0 8px; }
.page-faq .faq-hero .breadcrumb-link { color: rgba(255, 255, 255, .82); }
.page-faq .faq-hero .breadcrumb-sep { color: rgba(255, 255, 255, .5); }
.page-faq .faq-hero-grid { display: flex; flex-direction: column; gap: 18px; margin-top: 18px; }
.page-faq .faq-hero-kicker { margin: 0 0 8px; font-family: var(--font-emo); font-size: 12px; letter-spacing: .16em; color: var(--faq-gold); }
.page-faq .faq-hero-title { margin: 0 0 12px; font-family: var(--font-headline); font-size: clamp(26px, 4.6vw, 44px); font-weight: 900; line-height: 1.16; color: #FFFFFF; }
.page-faq .faq-hero-lead { margin: 0; max-width: 72ch; font-size: 15px; line-height: 1.7; color: rgba(255, 255, 255, .85); }
.page-faq .faq-hero-aside { display: flex; flex-wrap: wrap; gap: 10px; }
.page-faq .faq-hero-chip {
  display: inline-flex; align-items: center; padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, .4); border-radius: 999px;
  background: rgba(255, 255, 255, .12); color: #FFFFFF;
  font-family: var(--font-emo); font-size: 12px; font-weight: 600;
  text-decoration: none; transition: background .2s ease, border-color .2s ease;
}
.page-faq .faq-hero-chip:hover { background: rgba(255, 255, 255, .22); border-color: #FFFFFF; }

/* ---- 主体两栏布局与左侧分类导航 ---- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding-top: 30px;
  padding-bottom: 64px;
}
.page-faq .faq-sidebar { display: none; }
.page-faq .faq-sidebar-card { background: rgba(19, 41, 75, .6); border: 1px solid var(--color-border); border-radius: 18px; padding: 20px; }
.page-faq .faq-sidebar-label { margin: 0 0 14px; font-family: var(--font-emo); font-size: 12px; letter-spacing: .12em; color: var(--color-dim); }
.page-faq .faq-sidebar .index-bar { display: grid; gap: 8px; }
.page-faq .faq-sidebar .index-bar-link { display: block; padding: 10px 12px; border-radius: 12px; font-size: 14px; font-weight: 600; color: var(--color-dim); background: transparent; border: 1px solid rgba(50, 70, 110, .7); text-decoration: none; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.page-faq .faq-sidebar .index-bar-link:hover,
.page-faq .faq-sidebar .index-bar-link[aria-current="true"] { background: var(--color-primary); border-color: var(--color-primary); color: #FFFFFF; }
.page-faq .faq-sidebar-actions { display: grid; gap: 10px; margin-top: 18px; }
.page-faq .faq-content { min-width: 0; display: grid; gap: 28px; }

/* ---- 分区卡片：深蓝与墨绿交替 ---- */
.page-faq .faq-section {
  position: relative; overflow: hidden; border-radius: 22px;
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid rgba(50, 70, 110, .75);
  margin-bottom: 0;
}
.page-faq .faq-section > * { position: relative; z-index: 1; }
.page-faq .faq-section--cast,
.page-faq .faq-section--archive { background: linear-gradient(135deg, var(--color-bg) 0%, #101A36 55%, var(--color-bg-a2) 100%); }
.page-faq .faq-section--quality,
.page-faq .faq-section--qa { background: linear-gradient(135deg, #092A2A 0%, var(--color-bg-b1) 55%, var(--color-bg-b2) 100%); }
.page-faq .faq-section--cast::before,
.page-faq .faq-section--archive::before { content: ""; position: absolute; width: 320px; height: 320px; right: -90px; top: -90px; border-radius: 50%; background: radial-gradient(circle, rgba(123, 47, 247, .22), transparent 70%); pointer-events: none; }
.page-faq .faq-section--quality::before,
.page-faq .faq-section--qa::before { content: ""; position: absolute; width: 300px; height: 300px; left: -90px; top: -90px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 212, 255, .14), transparent 70%); pointer-events: none; }
.page-faq .faq-section .section-head { margin-bottom: 24px; }

/* ---- SEC.01 投屏问题 ---- */
.page-faq .cast-layout { display: grid; gap: 20px; }
.page-faq .cast-hero { background: rgba(8, 13, 26, .55); border: 1px solid rgba(50, 70, 110, .9); border-radius: 18px; overflow: hidden; }
.page-faq .cast-hero-img { display: block; width: 100%; height: auto; }
.page-faq .cast-hero-body { padding: 18px; }
.page-faq .cast-hero-text { margin: 14px 0 0; font-size: 15px; line-height: 1.75; color: var(--color-dim); }
.page-faq .cast-steps { display: grid; gap: 16px; }
.page-faq .step-card { background: rgba(8, 13, 26, .55); border: 1px solid var(--color-border); border-radius: 18px; padding: 18px; }
.page-faq .step-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.page-faq .step-card-index { font-family: var(--font-emo); font-size: 13px; font-weight: 800; color: var(--faq-gold); border: 1px solid rgba(255, 193, 7, .5); background: rgba(255, 193, 7, .1); padding: 5px 9px; border-radius: 10px; }
.page-faq .step-card-title { margin: 0; font-size: 18px; font-weight: 800; }
.page-faq .step-card-head .status-badge { margin-left: auto; }
.page-faq .step-list { list-style: none; margin: 0 0 16px; padding: 0; counter-reset: step; }
.page-faq .step-toggle { width: 100%; display: flex; align-items: center; gap: 12px; border: 0; background: transparent; color: inherit; font: inherit; font-size: 14px; line-height: 1.5; text-align: left; padding: 7px 8px; border-radius: 12px; cursor: pointer; counter-increment: step; }
.page-faq .step-toggle:hover { background: rgba(255, 255, 255, .06); }
.page-faq .step-toggle::before { content: counter(step, decimal-leading-zero); flex: 0 0 30px; height: 30px; display: grid; place-items: center; font-family: var(--font-emo); font-size: 12px; font-weight: 800; color: var(--color-dim); background: rgba(255, 255, 255, .07); border: 1px solid var(--color-border); border-radius: 10px; }
.page-faq .step-toggle::after { content: ""; flex: 0 0 18px; height: 18px; margin-left: auto; border: 2px solid var(--color-border); border-radius: 50%; }
.page-faq .step-toggle[data-active]::before { color: #06281A; background: var(--color-online); border-color: var(--color-online); }
.page-faq .step-toggle[data-active]::after { content: "✓"; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 900; color: #06281A; background: var(--color-online); border-color: var(--color-online); }

/* ---- SEC.02 清晰度设置 ---- */
.page-faq .quality-layout { display: grid; gap: 20px; margin-bottom: 24px; }
.page-faq .quality-visual { background: rgba(6, 16, 28, .55); border: 1px solid var(--color-border); border-radius: 18px; overflow: hidden; }
.page-faq .quality-visual-img { display: block; width: 100%; height: auto; }
.page-faq .quality-band { display: flex; align-items: baseline; justify-content: space-between; padding: 16px 18px 8px; }
.page-faq .quality-band-label { font-size: 13px; color: var(--color-dim); }
.page-faq .quality-band-value { font-family: var(--font-emo); font-size: 22px; font-weight: 800; color: var(--faq-green); }
.page-faq .quality-visual-note { margin: 0; padding: 0 18px 16px; font-size: 13px; color: var(--color-dim); }
.page-faq .quality-tabs { background: rgba(6, 16, 28, .5); border: 1px solid var(--color-border); border-radius: 18px; padding: 18px; }
.page-faq .quality-tabs .tablist-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.page-faq .quality-tabs .tablist-panel { background: rgba(0, 0, 0, .25); border: 1px solid rgba(255, 255, 255, .08); border-radius: 14px; padding: 8px; }
.page-faq .quality-path { padding: 10px 12px 4px; font-size: 13px; color: var(--color-dim); }
.page-faq .quality-path-code { font-family: var(--font-emo); color: var(--faq-cyan); }
.page-faq .quality-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.page-faq .quality-table th,
.page-faq .quality-table td { padding: 12px; border-bottom: 1px solid rgba(50, 70, 110, .75); text-align: left; vertical-align: top; }
.page-faq .quality-table thead th { font-size: 12px; letter-spacing: .06em; color: var(--faq-gold); font-weight: 800; }
.page-faq .quality-table tbody tr:last-child td { border-bottom: 0; }
.page-faq .quality-table td:first-child { font-family: var(--font-emo); font-weight: 800; color: var(--faq-cyan); white-space: nowrap; }
.page-faq .quality-table tbody tr:hover { background: rgba(255, 255, 255, .04); }
.page-faq .quality-grid { display: grid; gap: 16px; grid-template-columns: 1fr; margin-top: 6px; }
.page-faq .quality-card { background: rgba(8, 13, 26, .55); border: 1px solid var(--color-border); border-radius: 16px; padding: 18px; }
.page-faq .quality-card-tag { display: inline-block; font-family: var(--font-emo); font-size: 12px; font-weight: 800; color: #0A1128; background: var(--faq-gold); border-radius: 999px; padding: 4px 10px; margin-bottom: 16px; }
.page-faq .quality-card:nth-child(1) .quality-card-tag { background: var(--faq-gold); }
.page-faq .quality-card:nth-child(2) .quality-card-tag { background: var(--color-offline); }
.page-faq .quality-card:nth-child(3) .quality-card-tag { background: var(--swatch-3); }
.page-faq .quality-card:nth-child(4) .quality-card-tag { background: var(--faq-green); }
.page-faq .quality-card-title { margin: 0 0 6px; font-size: 18px; font-weight: 800; }
.page-faq .quality-card-text { margin: 0; font-size: 14px; line-height: 1.65; color: var(--color-dim); }

/* ---- SEC.03 回放查找与下载 ---- */
.page-faq .archive-path { display: grid; gap: 20px; margin-bottom: 22px; }
.page-faq .archive-map { background: rgba(8, 13, 26, .55); border: 1px solid var(--color-border); border-radius: 18px; overflow: hidden; }
.page-faq .archive-map-img { display: block; width: 100%; height: auto; }
.page-faq .archive-steps { display: grid; gap: 14px; }
.page-faq .archive-step { display: flex; gap: 14px; align-items: flex-start; background: rgba(8, 13, 26, .55); border: 1px solid var(--color-border); border-radius: 14px; padding: 14px 16px; }
.page-faq .archive-step-num { flex: 0 0 34px; height: 34px; display: grid; place-items: center; font-family: var(--font-emo); font-size: 13px; font-weight: 800; border-radius: 10px; background: rgba(255, 193, 7, .14); color: var(--faq-gold); }
.page-faq .archive-step-main { min-width: 0; }
.page-faq .archive-step-title { margin: 0 0 4px; font-size: 16px; font-weight: 800; }
.page-faq .archive-step-text { margin: 0; font-size: 14px; line-height: 1.65; color: var(--color-dim); }
.page-faq .archive-step-text a { color: var(--faq-cyan); text-decoration: none; }
.page-faq .archive-step-text a:hover { text-decoration: underline; }
.page-faq .archive-downloads { display: grid; gap: 20px; }
.page-faq .download-spec { background: rgba(8, 13, 26, .55); border: 1px solid var(--color-border); border-radius: 18px; padding: 22px; }
.page-faq .download-tip { background: linear-gradient(135deg, rgba(0, 255, 136, .12), rgba(0, 180, 216, .10)); border: 1px solid rgba(0, 255, 136, .35); border-radius: 18px; padding: 22px; }
.page-faq .download-spec-title,
.page-faq .download-tip-title { margin: 0 0 14px; font-size: 18px; }
.page-faq .download-spec .entry-row { padding: 11px 0; }
.page-faq .download-spec .entry-time { color: var(--faq-green); }
.page-faq .download-tip-list { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 10px; }
.page-faq .download-tip-list li { position: relative; padding-left: 24px; font-size: 14px; line-height: 1.65; color: var(--color-dim); }
.page-faq .download-tip-list li::before { content: "✓"; position: absolute; left: 0; top: 0; font-weight: 900; color: var(--faq-green); }

/* ---- SEC.04 常见问题汇总 ---- */
.page-faq .qa-list { display: grid; gap: 12px; }
.page-faq .qa-item { background: rgba(8, 14, 22, .55); border: 1px solid var(--color-border); border-radius: 16px; overflow: hidden; transition: border-color .2s ease; }
.page-faq .qa-item[open] { border-color: rgba(0, 212, 255, .45); }
.page-faq .qa-question { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0; padding: 18px 20px; font-size: 15px; font-weight: 800; line-height: 1.5; cursor: pointer; }
.page-faq .qa-question::-webkit-details-marker { display: none; }
.page-faq .qa-question::after { content: "+"; flex: 0 0 26px; height: 26px; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-family: var(--font-emo); font-size: 18px; font-weight: 400; color: var(--faq-gold); background: rgba(255, 193, 7, .12); }
.page-faq .qa-item[open] .qa-question::after { content: "−"; }
.page-faq .qa-answer { padding: 0 20px 20px; font-size: 14px; line-height: 1.75; color: var(--color-dim); }
.page-faq .qa-answer p { margin: 0; }
.page-faq .qa-answer a { color: var(--faq-cyan); text-decoration: none; }
.page-faq .qa-answer a:hover { text-decoration: underline; }

/* ---- 响应式断点 ---- */
@media (min-width: 600px) {
  .page-faq .quality-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 800px) {
  .page-faq .archive-downloads { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
}
@media (min-width: 860px) {
  .page-faq .faq-hero-grid { flex-direction: row; justify-content: space-between; align-items: flex-end; }
  .page-faq .faq-hero-aside { flex-direction: column; align-items: flex-end; }
}
@media (min-width: 900px) {
  .page-faq .quality-layout { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
  .page-faq .archive-path { grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); align-items: center; }
}
@media (min-width: 980px) {
  .page-faq .faq-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 30px; }
  .page-faq .faq-sidebar { display: block; position: sticky; top: 18px; }
  .page-faq .cast-layout { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: start; }
}
@media (min-width: 1080px) {
  .page-faq .quality-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}