/* roulang page: index */
:root{
  --ink-900:#080B1A;
  --ink-800:#10142A;
  --ink-700:#171C38;
  --line:#262C4A;
  --brand:#6C4DF6;
  --brand-soft:rgba(108,77,246,.14);
  --accent:#3FD8C2;
  --accent-soft:rgba(63,216,194,.10);
  --gold:#F2C46B;
  --live:#FF4D6D;
  --txt:#F2F4FF;
  --txt-2:#A8B0D0;
  --txt-3:#6E7699;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hover:0 16px 40px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sidebar:240px;
  --gap:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--txt);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:#7FE9D8}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.02em;line-height:1.3;color:var(--txt)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

/* ============ 布局骨架 ============ */
.site-shell{display:block;min-height:100vh}
.sidebar{display:none}
.main-wrap{min-width:0}

/* ============ 顶部移动栏 ============ */
.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:12px;
  height:60px;padding:0 16px;
  background:var(--ink-800);
  border-bottom:1px solid var(--line);
}
.burger{
  width:44px;height:44px;flex:0 0 44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--txt);
  cursor:pointer;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.burger:hover{border-color:var(--brand);background:var(--brand-soft)}
.topbar-brand{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-brand .brand-text{font-weight:800;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-brand .brand-sub{display:block;font-size:11px;color:var(--txt-3);font-weight:500;letter-spacing:.16em}
.topbar-cta{margin-left:auto;flex:0 0 auto}

/* ============ 品牌标记 ============ */
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--ink-700);
  display:inline-flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:22px;height:22px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:#7B5EFF;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(108,77,246,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--txt);border-color:var(--brand)}
.btn-ghost:hover{color:#fff;border-color:#8E76FF;background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:0 14px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--txt);font-weight:700;font-size:15px;
  border-bottom:4px solid var(--accent);padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-more:hover{color:var(--accent);border-color:var(--brand)}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,6,16,.72);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:288px;max-width:86vw;z-index:80;
  background:var(--ink-800);border-right:1px solid var(--line);
  padding:20px 16px;overflow-y:auto;
  transform:translateX(-102%);transition:transform .22s var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;
  border-radius:10px;color:var(--txt-2);font-weight:600;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{color:var(--txt);background:var(--ink-700)}
.drawer-nav a.is-active{color:var(--txt);border-left-color:var(--accent);background:var(--ink-700)}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px}
.drawer-close{
  margin-left:auto;width:40px;height:40px;border-radius:10px;background:transparent;
  border:1px solid var(--line);color:var(--txt-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}

/* ============ 容器 ============ */
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px;font-size:30px}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--accent);
}
.sec-sub{color:var(--txt-2);font-size:15px;margin-top:8px;padding-left:16px;max-width:640px}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:
    radial-gradient(rgba(242,244,255,.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(8,11,26,.55), rgba(8,11,26,.94)),
    url('/assets/images/backpic/back-1.png');
  background-size:18px 18px, cover, cover;
  background-position:0 0, center, center;
  border-bottom:1px solid var(--line);
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:40px;padding:56px 0 72px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-soft);border:1px solid rgba(63,216,194,.34);
  color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.08em;
  width:fit-content;margin-bottom:20px;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 rgba(255,77,109,.6);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(255,77,109,0)}100%{box-shadow:0 0 0 0 rgba(255,77,109,0)}}
.hero h1{font-size:30px;margin-bottom:18px;max-width:16em}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-lead{color:var(--txt-2);font-size:16px;max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:560px;border-top:1px solid var(--line);padding-top:24px}
.stat-num{font-size:26px;font-weight:800;color:var(--gold);line-height:1.2}
.stat-label{font-size:13px;color:var(--txt-3);margin-top:4px}

.live-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);overflow:hidden;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
}
.live-cover{position:relative;aspect-ratio:16/9;background:var(--ink-700);overflow:hidden}
.live-cover img{width:100%;height:100%;object-fit:cover}
.cover-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,11,26,.12),rgba(8,11,26,.86))}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
  white-space:nowrap;
}
.badge-cat{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(63,216,194,.28)}
.badge-live{background:rgba(255,77,109,.16);color:#FF8098;border:1px solid rgba(255,77,109,.4)}
.badge-soon{background:rgba(242,196,107,.14);color:var(--gold);border:1px solid rgba(242,196,107,.34)}
.badge-end{background:rgba(110,118,153,.16);color:#9AA2C0;border:1px solid rgba(110,118,153,.34)}
.badge-abs{position:absolute;top:14px;left:14px;z-index:2}
.live-body{padding:22px}
.live-body h3{font-size:20px;margin-bottom:10px}
.live-time{font-size:15px;color:var(--txt-2)}
.live-time b{color:var(--txt);font-weight:700}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:20px 0 6px}
.cd-cell{
  background:var(--ink-700);border:1px solid var(--line);border-radius:12px;
  padding:12px 6px;text-align:center;
}
.cd-num{font-size:26px;font-weight:800;color:var(--gold);line-height:1.1}
.cd-lab{font-size:12px;color:var(--txt-3);margin-top:6px}
.cd-note{font-size:13px;color:var(--txt-3);display:flex;align-items:center;gap:8px;margin-top:10px}
.live-live-line{display:none;align-items:center;gap:10px;margin:20px 0 6px;color:#FF8098;font-weight:700;font-size:15px}

/* ============ 预告流 ============ */
.scroll-rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.scroll-rail::-webkit-scrollbar{height:6px}
.scroll-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.rail-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#33406F}
.rail-cover{position:relative;aspect-ratio:16/9;background:var(--ink-700)}
.rail-cover img{width:100%;height:100%;object-fit:cover}
.rail-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-body h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{font-size:14px;color:var(--txt-2)}
.rail-body .btn{margin-top:auto;width:100%}

/* ============ 时间轴看点 ============ */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:rgba(63,216,194,.5)}
.tl-item{position:relative;padding:0 0 32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--accent);
}
.tl-idx{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.14em}
.tl-item h3{font-size:20px;margin:6px 0 8px}
.tl-item p{color:var(--txt-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 订阅条 ============ */
.subscribe{
  display:grid;grid-template-columns:1fr;gap:24px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
}
.subscribe h3{font-size:22px;margin-bottom:10px}
.subscribe p{color:var(--txt-2);font-size:15px;max-width:44em}
.sub-form{display:flex;flex-wrap:wrap;gap:12px}
.sub-form input{
  flex:1 1 220px;min-height:46px;padding:0 16px;
  background:var(--ink-900);border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--txt);font-size:15px;font-family:inherit;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.sub-form input::placeholder{color:var(--txt-3)}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(108,77,246,.45)}
.sub-form input.is-error{border-color:var(--live);box-shadow:0 0 0 2px rgba(255,77,109,.28)}
.sub-hint{font-size:13px;color:var(--txt-3);margin-top:12px}
.sub-callout{
  display:none;margin-top:14px;padding:12px 16px;border-radius:10px;
  background:var(--accent-soft);border-left:3px solid var(--accent);color:#8DF0E0;font-size:14px;
}
.sub-callout.is-show{display:block}
.sub-error{display:none;margin-top:12px;color:#FF8098;font-size:14px}
.sub-error.is-show{display:block}

/* ============ 回放网格 ============ */
.replay-grid{display:grid;grid-template-columns:1fr;gap:20px}
.replay-card{
  position:relative;background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.replay-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#33406F}
.replay-cover{position:relative;aspect-ratio:16/9;background:var(--ink-700)}
.replay-cover img{width:100%;height:100%;object-fit:cover}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(108,77,246,.9);display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.22);
}
.play-btn svg{width:22px;height:22px}
.dur-tag{
  position:absolute;right:12px;bottom:12px;
  padding:3px 10px;border-radius:8px;background:rgba(8,11,26,.82);
  border:1px solid var(--line);font-size:12px;color:var(--txt-2);
}
.replay-body{padding:18px}
.replay-body h3{font-size:17px;margin-bottom:8px}
.replay-body time{font-size:14px;color:var(--txt-3)}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
.news-row{
  display:grid;grid-template-columns:96px 1fr 24px;gap:16px;align-items:center;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;color:var(--txt);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.news-row:hover{transform:translateY(-3px);border-color:#33406F;box-shadow:var(--shadow);color:var(--txt)}
.news-thumb{aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--ink-700)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-date{
  aspect-ratio:4/3;border-radius:12px;background:var(--ink-700);border:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.news-date b{font-size:22px;color:var(--gold);line-height:1.1}
.news-date span{font-size:12px;color:var(--txt-3)}
.news-body h3{
  font-size:17px;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  color:var(--txt-2);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--txt-3)}
.news-arrow{color:var(--txt-3);display:flex;justify-content:center}
.empty-box{
  background:var(--ink-800);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:48px 24px;text-align:center;
}
.empty-box svg{width:36px;height:36px;margin:0 auto 14px;color:var(--txt-3)}
.empty-box p{color:var(--txt-2);margin-bottom:18px}

/* ============ 数据/信任 ============ */
.metric-grid{display:grid;grid-template-columns:1fr;gap:20px}
.metric{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.metric b{display:block;font-size:30px;color:var(--gold);line-height:1.2;margin-bottom:8px}
.metric h3{font-size:17px;margin-bottom:8px}
.metric p{color:var(--txt-2);font-size:14px}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.accordion{border:0;background:transparent}
.accordion .accordion-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .18s var(--ease);
}
.accordion .accordion-item.is-active{border-left:3px solid var(--accent);border-color:#33406F}
.accordion .accordion-title{
  display:flex;align-items:center;gap:14px;padding:18px 20px;
  font-size:16px;font-weight:700;color:var(--txt);
  background:transparent;border:0;line-height:1.6;
}
.accordion .accordion-title:hover{background:var(--ink-700);color:var(--txt)}
.accordion .accordion-title::before{
  content:"+";flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";border-color:var(--accent)}
.accordion .accordion-content{
  background:transparent;border:0;color:var(--txt-2);font-size:15px;
  padding:0 20px 20px 58px;
}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:40px 28px;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{color:var(--txt-2);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.footer{
  background:var(--ink-900);border-top:1px solid var(--line);
  background-image:radial-gradient(rgba(242,244,255,.05) 1px, transparent 1px);
  background-size:18px 18px;
}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 40px}
.footer h3{font-size:15px;margin-bottom:16px;color:var(--txt)}
.footer-links li{margin-bottom:12px}
.footer-links a{color:var(--txt-2);font-size:14px}
.footer-links a:hover{color:var(--accent)}
.footer-brand p{color:var(--txt-2);font-size:14px;margin-top:16px;max-width:30em}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--txt-3);font-size:13px;
}
.footer-bottom a{color:var(--txt-3)}
.footer-bottom a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media (min-width:640px){
  .hero h1{font-size:36px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .replay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .replay-card.is-wide{grid-column:span 2}
  .subscribe{grid-template-columns:1.1fr .9fr;align-items:center}
  .cta-band{grid-template-columns:1fr auto}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:88px 0}
}
@media (min-width:1024px){
  .topbar{display:none}
  .site-shell{display:grid;grid-template-columns:216px minmax(0,1fr)}
  .sidebar{
    display:flex;flex-direction:column;
    position:sticky;top:0;height:100vh;
    width:216px;padding:24px 16px;
    background:var(--ink-800);border-right:1px solid var(--line);
  }
  .hero h1{font-size:40px}
  .hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px;padding:72px 0 88px}
  .replay-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:auto auto}
  .metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
}
@media (min-width:1280px){
  .site-shell{grid-template-columns:var(--sidebar) minmax(0,1fr)}
  .sidebar{width:var(--sidebar)}
  .hero h1{font-size:44px}
  .section{padding:96px 0}
}
@media (min-width:1440px){
  .container{padding:0 40px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* ============ 侧栏内部组件 ============ */
.side-brand{display:flex;align-items:center;gap:12px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:22px}
.side-brand-text{min-width:0}
.side-brand-text b{display:block;font-size:16px;font-weight:800;letter-spacing:.02em}
.side-brand-text span{display:block;font-size:11px;color:var(--txt-3);letter-spacing:.18em}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav a{
  display:flex;align-items:center;gap:10px;min-height:46px;padding:0 12px;
  border-radius:10px;border-left:3px solid transparent;
  color:var(--txt-2);font-size:15px;font-weight:600;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.side-nav a:hover{color:var(--txt);background:var(--ink-700)}
.side-nav a.is-active{color:var(--txt);border-left-color:var(--accent);background:var(--ink-700)}
.side-nav svg{width:18px;height:18px;flex:0 0 18px;color:var(--accent)}
.side-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.side-foot .btn{width:100%}
.side-foot p{font-size:12px;color:var(--txt-3);margin-top:14px;line-height:1.7}

/* roulang page: article */
:root{
  --ink-900:#080B1A;
  --ink-800:#10142A;
  --ink-700:#171C38;
  --line:#262C4A;
  --brand:#6C4DF6;
  --brand-hi:#8168F8;
  --accent:#3FD8C2;
  --gold:#F2C46B;
  --live:#FF4D6D;
  --text:#F2F4FF;
  --text-2:#A8B0D0;
  --text-3:#6E7699;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:16px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hover:0 16px 40px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sidebar-w:240px;
  --topbar-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),opacity .18s var(--ease)}
a:hover{color:var(--brand-hi)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.02em;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
input,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.starfield{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72'%3E%3Cg fill='%23F2F4FF' fill-opacity='0.07'%3E%3Ccircle cx='6' cy='8' r='1'/%3E%3Ccircle cx='30' cy='20' r='1'/%3E%3Ccircle cx='54' cy='10' r='1'/%3E%3Ccircle cx='18' cy='48' r='1'/%3E%3Ccircle cx='44' cy='58' r='1'/%3E%3Ccircle cx='64' cy='38' r='1'/%3E%3C/g%3E%3C/svg%3E");
}

/* ===== 左侧竖向导航 ===== */
.layout{display:flex;min-height:100vh;padding-left:var(--sidebar-w)}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;
  flex-direction:column;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  padding:24px 16px 20px;
  z-index:60;
}
.sidebar-brand{margin-bottom:24px}
.brand-link{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand-link:hover{color:var(--text)}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.logo-mark svg{width:24px;height:24px}
.side-brand-text{display:flex;flex-direction:column;line-height:1.25}
.side-brand-text b{font-size:16px;font-weight:800;letter-spacing:.02em}
.side-brand-text span{font-size:12px;color:var(--accent);letter-spacing:.08em}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-height:44px;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  color:var(--text-2);
  font-size:15px;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.side-nav a svg{width:20px;height:20px;flex:0 0 20px;opacity:.8}
.side-nav a:hover{background:var(--ink-700);color:var(--text)}
.side-nav a:hover svg{opacity:1}
.side-nav a.is-active{color:var(--text);background:var(--ink-700);font-weight:600}
.side-nav a.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--accent);
}
.sidebar-foot{padding-top:20px;border-top:1px solid var(--line);margin-top:16px}
.sidebar-note{margin-top:12px;font-size:12px;line-height:1.7;color:var(--text-3)}

/* ===== 移动顶部栏 ===== */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  align-items:center;gap:12px;
  padding:0 16px;
  background:var(--ink-800);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.topbar-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text-2);
}
.topbar-toggle:hover{color:var(--text);border-color:var(--brand)}
.topbar-brand{display:flex;flex-direction:column;line-height:1.2;color:var(--text);margin-right:auto}
.topbar-brand b{font-size:15px;font-weight:800}
.topbar-brand span{font-size:11px;color:var(--accent);letter-spacing:.08em}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(4,6,16,.72);z-index:55;
}
.scrim.is-open{display:block}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 20px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(108,77,246,.28)}
.btn-primary:hover{background:var(--brand-hi);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(108,77,246,.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:#B9ADFF}
.btn-ghost:hover{border-color:var(--brand-hi);color:#fff;background:rgba(108,77,246,.12)}
.btn-sm{min-height:38px;padding:7px 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);
  border-bottom:2px solid rgba(63,216,194,.35);padding-bottom:2px;
}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ===== 主区 ===== */
.site-main{flex:1 1 auto;display:flex;flex-direction:column;min-width:0}
.page-head{
  padding:40px 0 0;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:24px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{color:var(--text-2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章布局 ===== */
.article-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:40px;
  align-items:start;
  padding-bottom:80px;
}
.article-card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  padding:36px 40px 44px;
  min-width:0;
}
.article-head{max-width:800px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  white-space:nowrap;
}
.badge-cat{background:rgba(63,216,194,.1);color:var(--accent);border:1px solid rgba(63,216,194,.24)}
.badge-live{background:rgba(255,77,109,.12);color:var(--live);border:1px solid rgba(255,77,109,.3)}
.badge-soon{background:rgba(242,196,107,.12);color:var(--gold);border:1px solid rgba(242,196,107,.28)}
.badge-muted{background:rgba(110,118,153,.14);color:var(--text-3);border:1px solid var(--line)}
.article-head h1{
  font-size:44px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:.02em;
  margin:18px 0 0;
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  margin-top:20px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:14px;color:var(--text-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:16px;height:16px;stroke-width:1.6}
.article-meta time{color:var(--text-2);font-variant-numeric:tabular-nums}

/* ===== 正文 ===== */
.article-body{
  max-width:800px;
  margin-top:32px;
  font-size:17px;
  line-height:1.9;
  color:#DDE2F7;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  font-size:26px;
  margin:44px 0 18px;
  padding-left:16px;
  scroll-margin-top:80px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:20px;margin:32px 0 14px;color:var(--text)}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--text-2)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:1.4em;color:#DDE2F7}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0}
.article-body li::marker{color:var(--accent)}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(63,216,194,.4)}
.article-body a:hover{color:#fff;border-bottom-color:#fff}
.article-body blockquote{
  margin:28px 0;padding:16px 22px;
  border-left:3px solid var(--accent);
  background:var(--ink-700);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);
  font-style:normal;
}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:28px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body table{margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:var(--ink-700);color:var(--text);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(23,28,56,.6)}
.article-body strong{color:var(--gold);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{background:var(--ink-700);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--accent)}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--ink-700);border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state svg{width:36px;height:36px;stroke:var(--text-3)}
.empty-state p{color:var(--text-2);font-size:15px}

/* ===== 侧栏 ===== */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.panel{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
}
.panel h3{
  font-size:15px;font-weight:700;letter-spacing:.02em;
  padding-left:12px;position:relative;margin-bottom:14px;
}
.panel h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:4px;font-size:14px}
.toc-list a{display:block;padding:7px 8px;border-radius:8px;color:var(--text-2);line-height:1.5}
.toc-list a:hover{background:var(--ink-700);color:var(--accent)}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--radius-sm);
  background:var(--ink-700);border:1px solid var(--line);
  color:var(--text);font-size:14px;font-weight:600;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.side-links a:hover{transform:translateY(-2px);border-color:var(--brand);color:#fff;box-shadow:var(--shadow)}
.side-links svg{width:18px;height:18px;stroke:var(--accent);flex:0 0 18px}

/* ===== 文末 ===== */
.article-foot{max-width:800px;margin-top:40px}
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.post-nav a{
  display:block;padding:16px 18px;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius);
  color:var(--text-2);font-size:14px;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.post-nav a:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--text)}
.post-nav b{display:block;color:var(--text);font-size:15px;font-weight:700;margin-bottom:6px}

.related{margin-top:56px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{
  position:relative;font-size:24px;padding-left:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:var(--accent);
}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
  display:flex;flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  color:var(--text);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#35406B;color:var(--text)}
.card-cover{position:relative;aspect-ratio:16/9;background:var(--ink-700);overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:16px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto}

.cta-band{
  margin:64px 0 0;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
}
.cta-band h2{font-size:24px;margin-bottom:8px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:62ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

.to-top{
  position:fixed;right:24px;bottom:24px;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-700);border:1px solid var(--line);color:var(--text-2);
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  z-index:80;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:#fff;border-color:var(--brand)}
.to-top svg{width:20px;height:20px;stroke-width:1.6}

/* ===== 页脚 ===== */
.footer{
  margin-top:auto;
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:34ch}
.footer h3{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a,.footer-links li{color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  :root{--sidebar-w:216px}
  .article-head h1{font-size:36px}
}
@media (max-width:1023px){
  .layout{padding-left:0;padding-top:var(--topbar-h)}
  .sidebar{
    width:280px;max-width:84vw;
    transform:translateX(-102%);
    transition:transform .22s var(--ease);
    box-shadow:var(--shadow-hover);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static}
  .article-card{padding:28px 24px 32px}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{font-size:15px}
  .container{padding:0 18px}
  .article-head h1{font-size:30px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px;margin-top:36px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:28px 22px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .article-card{border-radius:var(--radius);padding:22px 18px 26px}
  .article-meta{gap:6px 14px;font-size:13px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .btn{width:100%}
  .topbar .btn{width:auto}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-900:#080B1A;
  --ink-800:#10142A;
  --ink-700:#171C38;
  --line:#262C4A;
  --brand:#6C4DF6;
  --brand-hi:#8168F8;
  --accent:#3FD8C2;
  --gold:#F2C46B;
  --live:#FF4D6D;
  --text:#F2F4FF;
  --text-2:#A8B0D0;
  --text-3:#6E7699;
  --r-card:14px;
  --r-media:16px;
  --r-btn:10px;
  --sh-1:0 12px 32px rgba(0,0,0,.45);
  --sh-2:0 16px 40px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sidebar-w:240px;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:#fff}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.3;color:#fff}
p{margin:0}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-hi);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}

/* 顶部移动栏 */
.topbar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:60px;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;
  background:var(--ink-800);
  border-bottom:1px solid var(--line);
}
.topbar-brand{display:inline-flex;align-items:center;gap:10px;color:inherit}
.topbar-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--text);
  cursor:pointer;transition:border-color .18s var(--ease),color .18s var(--ease)
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.icon-btn svg{width:20px;height:20px}

/* 应用骨架：桌面左侧竖栏 */
.app{display:block}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;flex-direction:column;gap:20px;
  padding:24px 16px;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  overflow-y:auto;
  z-index:40;
}
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.brand{display:inline-flex;align-items:center;gap:12px;color:inherit}
.logo-mark{
  width:38px;height:38px;flex:none;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:rgba(108,77,246,.14);border:1px solid var(--line);
}
.logo-mark svg{width:22px;height:22px}
.side-brand-text{display:flex;flex-direction:column;line-height:1.15}
.side-brand-text b{font-size:16px;color:#fff;letter-spacing:.02em}
.side-brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.16em}

.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:10px 12px 10px 14px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:500;
}
.side-nav a svg{width:20px;height:20px;flex:none;color:var(--text-3)}
.side-nav a:hover{background:var(--ink-700);color:var(--text)}
.side-nav a.is-active{background:var(--ink-700);color:#fff}
.side-nav a.is-active svg{color:var(--accent)}
.side-nav a.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--accent);
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.sidebar-note{font-size:12px;line-height:1.8;color:var(--text-3)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hi);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:#CFC7FF}
.btn-ghost:hover{border-color:var(--brand-hi);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--brand-hi);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* 页头 */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 48px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.20;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,244,255,.09) 1px,transparent 1px);
  background-size:22px 22px;opacity:.6;
}
.page-hero > .container{position:relative;z-index:1}
.crumb{margin-bottom:20px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li + li::before{content:"/";color:var(--line)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb [aria-current]{color:var(--accent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
  background:rgba(63,216,194,.10);border:1px solid rgba(63,216,194,.28);
  color:var(--accent);font-size:12px;letter-spacing:.08em;
}
.page-hero h1{font-size:44px;font-weight:800}
.hero-sub{margin-top:16px;max-width:760px;font-size:16px;color:var(--text-2)}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:32px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:24px;font-weight:800;color:var(--gold);letter-spacing:.02em}
.hero-stats span{font-size:13px;color:var(--text-3)}

/* 筛选 chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  padding:8px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--ink-800);color:var(--text-2);font-size:14px;cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--text);transform:translateY(-1px)}
.chip.is-active{border-color:var(--accent);color:var(--accent);background:rgba(63,216,194,.10)}

/* 板块 */
.section{padding:var(--sp-6) 0}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{position:relative;padding-left:18px;font-size:30px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--accent);
}
.section-head p{margin-top:10px;font-size:14px;color:var(--text-3)}

/* 日程布局 */
.schedule-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.day-group + .day-group{margin-top:40px}
.day-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:12px;margin-bottom:20px;border-bottom:1px solid var(--line);
}
.day-date{font-size:18px;font-weight:700;color:#fff}
.day-count{font-size:13px;color:var(--text-3)}
.tl{position:relative;padding-left:26px;display:flex;flex-direction:column;gap:14px}
.tl::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:rgba(63,216,194,.34)}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:92px minmax(0,1fr) 176px;gap:20px;align-items:start;
  padding:18px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:0 12px 32px rgba(0,0,0,.35);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(108,77,246,.5)}
.tl-dot{
  position:absolute;left:-24px;top:26px;width:10px;height:10px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--accent);
}
.tl-time{display:flex;flex-direction:column;gap:2px}
.tl-time .t{font-size:20px;font-weight:800;color:var(--gold);letter-spacing:.02em}
.tl-time .lbl{font-size:12px;color:var(--text-3)}
.tl-body h3{font-size:19px;margin-top:10px}
.tl-body p{margin-top:8px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tl-actions{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px}
.tl-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:var(--ink-700)}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;line-height:1.6;white-space:nowrap;font-weight:600;
}
.badge-live{background:rgba(255,77,109,.14);color:#FFC2CE}
.badge-soon{background:rgba(242,196,107,.14);color:var(--gold)}
.badge-done{background:rgba(110,118,153,.18);color:var(--text-3)}
.badge-soft{background:rgba(63,216,194,.10);color:var(--accent);font-weight:500}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--live);display:inline-block;animation:pulse 1.6s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.5)}
  70%{box-shadow:0 0 0 8px rgba(255,77,109,0)}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0)}
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}

/* 侧栏卡片 */
.side-col{display:flex;flex-direction:column;gap:16px}
.card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.sticky-card{position:sticky;top:24px}
.card h3{font-size:18px}
.card > p{margin-top:10px;font-size:14px;color:var(--text-2)}
.sub-form{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.sub-form input{
  width:100%;height:46px;margin:0;padding:0 14px;border-radius:var(--r-btn);
  background:var(--ink-900);border:1px solid var(--line);color:var(--text);font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(108,77,246,.45)}
.sub-form.is-error input{border-color:var(--live);box-shadow:0 0 0 2px rgba(255,77,109,.28)}
.form-msg{min-height:20px;font-size:13px;color:var(--text-3)}
.sub-form.is-error .form-msg{color:#FF93A6}
.sub-form.is-success{background:rgba(63,216,194,.06);border-radius:12px;padding:8px}
.sub-form.is-success .form-msg{color:var(--accent)}
.form-note{font-size:12px;line-height:1.7;color:var(--text-3)}
.mini-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.mini-list a{font-size:14px;color:var(--text-2);display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:36px}
.mini-list a:hover{color:var(--accent)}
.mini-list svg{width:16px;height:16px;flex:none;color:var(--text-3)}
.mini-list a:hover svg{color:var(--accent)}

/* 观看准备 */
.prep-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.prep-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.prep-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(63,216,194,.45)}
.prep-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(108,77,246,.16);border:1px solid var(--line);color:var(--accent);
}
.prep-icon svg{width:20px;height:20px}
.prep-card h3{margin-top:16px;font-size:18px}
.prep-card p{margin-top:10px;font-size:14px;color:var(--text-2)}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s var(--ease)
}
.faq details[open]{border-left:3px solid var(--accent)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 56px 18px 20px;font-size:17px;font-weight:600;color:#fff;min-height:44px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--accent);line-height:1;
}
.faq details[open] summary::after{content:"−"}
.faq .faq-body{padding:0 20px 20px;font-size:15px;color:var(--text-2)}

/* CTA */
.cta-wrap{padding:0 0 var(--sp-6)}
.cta-band{
  background:var(--ink-800);border:1px solid var(--line);border-radius:18px;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:30px}
.cta-band p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.footer{background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 0;margin-top:auto}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:32px}
.footer h3{font-size:15px;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-3)}
.footer-links a{color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-brand p{margin-top:14px;max-width:340px;font-size:14px;line-height:1.8;color:var(--text-3)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:24px 0;margin-top:40px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:60;background:rgba(8,11,26,.75);display:flex;justify-content:flex-end}
.drawer[hidden]{display:none}
.drawer-panel{
  width:min(320px,86vw);height:100%;overflow-y:auto;
  background:var(--ink-800);border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:18px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:12px 14px;border-radius:10px;
  color:var(--text-2);font-size:16px;border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--ink-700);color:#fff}
.drawer-nav a.is-active{color:#fff;background:var(--ink-700);border-color:var(--line)}

/* 响应式 */
@media (max-width:1279px){
  :root{--sidebar-w:216px}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{display:none}
  .app-main{margin-left:0}
  .schedule-layout{grid-template-columns:1fr;gap:24px}
  .sticky-card{position:static}
  .prep-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:64px 0}
}
@media (max-width:760px){
  .page-hero{padding:40px 0 36px}
  .page-hero h1{font-size:30px}
  .hero-stats{gap:24px;margin-top:24px}
  .hero-stats b{font-size:20px}
  .tl{padding-left:18px}
  .tl-item{grid-template-columns:1fr;gap:14px}
  .tl-time{flex-direction:row;align-items:baseline;gap:10px}
  .tl-thumb{order:-1}
  .tl-dot{left:-16px;top:22px}
  .section{padding:48px 0}
  .section-head h2{font-size:22px}
  .cta-band{padding:28px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .prep-grid{grid-template-columns:1fr}
  .container{padding:0 16px}
}
@media (max-width:520px){
  .hero-stats{flex-direction:column;gap:16px}
  .btn{width:100%}
  .topbar .btn{width:auto}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: category2 */
:root{
  --ink-900:#080B1A;
  --ink-800:#10142A;
  --ink-700:#171C38;
  --line:#262C4A;
  --brand:#6C4DF6;
  --brand-soft:#8A70FF;
  --accent:#3FD8C2;
  --gold:#F2C46B;
  --live:#FF4D6D;
  --text:#F2F4FF;
  --text-2:#A8B0D0;
  --text-3:#6E7699;
  --radius:14px;
  --radius-img:16px;
  --radius-sm:10px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hover:0 16px 40px rgba(0,0,0,.55);
  --inset:inset 0 1px 0 rgba(255,255,255,.04);
  --sidebar:240px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:#7ef0dd}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.02em;color:var(--text)}
p{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-soft);outline-offset:2px}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- 开关：Foundation 默认样式重写 ---------- */
body,.accordion,.accordion-title,.accordion-content,p,li{background-image:none}
.accordion{margin:0;border:none;background:transparent}
a{background-color:transparent}

/* ---------- 左侧竖栏 ---------- */
.layout{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);z-index:60;
  display:flex;flex-direction:column;gap:26px;
  padding:26px 18px;
  background:var(--ink-800);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:12px;color:var(--text);padding:4px 8px;border-radius:12px}
.side-brand:hover{color:var(--text)}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:12px;background:var(--ink-700);box-shadow:var(--inset);
}
.logo-mark svg{width:22px;height:22px}
.side-brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.side-brand-text b{font-size:16px;font-weight:800;letter-spacing:.02em}
.side-brand-text span{font-size:11.5px;color:var(--accent);letter-spacing:.18em}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:46px;padding:10px 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:600;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.side-nav a svg{width:20px;height:20px;flex:0 0 20px;opacity:.85}
.side-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;background:var(--accent);
  transition:height .2s var(--ease);
}
.side-nav a:hover{background:rgba(255,255,255,.045);color:var(--text)}
.side-nav a.is-active{background:var(--ink-700);color:var(--text);box-shadow:var(--inset)}
.side-nav a.is-active::before{height:24px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.side-note{font-size:12.5px;line-height:1.7;color:var(--text-3)}
.side-note a{color:var(--text-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:#7d62f8;color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(108,77,246,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#C9C2FF;border-color:rgba(108,77,246,.6)}
.btn-ghost:hover{border-color:var(--brand-soft);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 标签与徽标 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;white-space:nowrap;
  background:rgba(63,216,194,.12);color:var(--accent);border:1px solid rgba(63,216,194,.26);
}
.tag-gold{background:rgba(242,196,107,.12);color:var(--gold);border-color:rgba(242,196,107,.28)}
.tag-live{background:rgba(255,77,109,.14);color:#FF8DA1;border-color:rgba(255,77,109,.32)}
.tag-mute{background:rgba(110,118,153,.16);color:var(--text-2);border-color:rgba(110,118,153,.3)}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:62px;z-index:70;
  align-items:center;gap:10px;padding:0 14px;
  background:var(--ink-800);border-bottom:1px solid var(--line);
}
.menu-btn{
  width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.menu-btn:hover{border-color:var(--brand);background:rgba(108,77,246,.12)}
.menu-btn svg{width:20px;height:20px;stroke:var(--text)}
.mobile-brand{display:flex;align-items:center;gap:8px;flex:1;min-width:0;color:var(--text);font-weight:700;font-size:15px}
.mobile-brand .logo-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px}
.mobile-brand .logo-mark svg{width:19px;height:19px}
.mobile-brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drawer-mask{display:none}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 58px;
  background:var(--ink-900) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::before{content:"";position:absolute;inset:0;background-color:rgba(8,11,26,.9)}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:22px 22px;
}
.page-hero .container{position:relative;z-index:2}

.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li:not(:first-child)::before{content:"/";color:#3B4270}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--accent)}

.page-hero h1{
  font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:.02em;max-width:820px;
  padding-left:18px;position:relative;
}
.page-hero h1::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:var(--accent);
}
.hero-sub{margin-top:20px;max-width:720px;color:var(--text-2);font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,180px));gap:28px;
  margin-top:40px;padding-top:26px;border-top:1px solid rgba(38,44,74,.9);
}
.hero-facts li{display:flex;flex-direction:column;gap:4px}
.fact-num{font-size:22px;font-weight:800;color:var(--gold);letter-spacing:.02em}
.fact-label{font-size:13.5px;color:var(--text-3)}

/* ---------- 板块 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:38px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--accent)}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15.5px}

/* ---------- 三步引导卡 ---------- */
.step-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step-card{
  position:relative;padding:28px 24px 26px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--inset);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(108,77,246,.5);box-shadow:var(--shadow-hover)}
.step-num{display:inline-flex;align-items:center;gap:9px;font-size:22px;font-weight:800;color:var(--gold);letter-spacing:.08em;margin-bottom:14px}
.step-num .dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--brand);display:inline-block}
.step-card h3{font-size:20px;margin-bottom:10px}
.step-card p{color:var(--text-2);font-size:15px}

/* ---------- 图文步骤块 ---------- */
.guide-flow{display:flex;flex-direction:column;gap:58px}
.guide-block{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.guide-block.is-reverse .guide-media{order:2}
.guide-media{
  border-radius:var(--radius-img);overflow:hidden;background:var(--ink-700);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.guide-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.guide-body .tag{margin-bottom:14px}
.guide-body h3{font-size:20px;margin-bottom:12px}
.guide-body p{color:var(--text-2);font-size:15.5px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:11px}
.check-list li{position:relative;padding-left:26px;color:var(--text-2);font-size:14.8px}
.check-list li::before{
  content:"";position:absolute;left:2px;top:.62em;width:13px;height:7px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.check-card{
  display:flex;flex-direction:column;gap:10px;padding:22px 22px 20px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--inset);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.check-card:hover{transform:translateY(-3px);border-color:rgba(63,216,194,.4);box-shadow:var(--shadow-hover)}
.check-card h3{font-size:17px;font-weight:700}
.check-card p{color:var(--text-2);font-size:14.6px}
.check-card .tag{align-self:flex-start}

/* ---------- FAQ ---------- */
.accordion-wrap{max-width:900px}
.accordion .accordion-item{
  position:relative;margin-bottom:12px;overflow:hidden;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--inset);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  opacity:0;transition:opacity .2s var(--ease);
}
.accordion .accordion-item:hover{border-color:rgba(108,77,246,.45)}
.accordion .accordion-item.is-open,
.accordion .accordion-item.is-active{border-color:rgba(63,216,194,.45);background:var(--ink-700)}
.accordion .accordion-item.is-open::before,
.accordion .accordion-item.is-active::before{opacity:1}
.accordion .accordion-title{
  display:block;width:100%;position:relative;
  padding:18px 58px 18px 22px;
  background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);line-height:1.6;cursor:pointer;
}
.accordion .accordion-title:hover{color:#fff}
.accordion .accordion-title::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--accent);line-height:1;
}
.accordion .accordion-title[aria-expanded="true"]::after{content:"−"}
.accordion .accordion-content{
  padding:0 22px 22px;color:var(--text-2);font-size:14.8px;line-height:1.85;
  background:transparent;border:none;
}
body.js .accordion .accordion-content{display:none}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px)}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.footer{position:relative;background:var(--ink-800);border-top:1px solid var(--line);padding:56px 0 26px}
.footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.footer .container{position:relative;z-index:2}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px}
.footer-brand p{margin-top:16px;max-width:340px;color:var(--text-2);font-size:14px;line-height:1.8}
.footer h3{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-2)}
.footer-links a{color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sidebar:216px}
  .container{padding:0 26px}
}
@media (max-width:1023px){
  .layout{margin-left:0;padding-top:62px}
  .sidebar{
    width:280px;transform:translateX(-100%);
    transition:transform .22s var(--ease);
    padding:22px 18px;
  }
  .sidebar.is-open{transform:translateX(0)}
  .mobile-bar{display:flex}
  .drawer-mask{
    display:block;position:fixed;inset:0;z-index:55;
    background:rgba(4,6,14,.68);opacity:0;pointer-events:none;
    transition:opacity .2s var(--ease);
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto}
  .section{padding:56px 0}
  .step-cards{grid-template-columns:1fr 1fr}
  .guide-block{grid-template-columns:1fr;gap:26px}
  .guide-block.is-reverse .guide-media{order:0}
  .hero-facts{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:640px){
  body{font-size:15px}
  .container{padding:0 18px}
  .page-hero{padding:40px 0 44px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:18px 16px}
  .step-cards,.check-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .guide-flow{gap:44px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}