/* roulang page: index */
:root{
  --bg:#0B0F0E;
  --surface:#131A18;
  --surface-2:#1A2320;
  --line:rgba(255,255,255,.08);
  --brand:#C8F135;
  --brand-2:#FF5A36;
  --brand-3:#2FD3A8;
  --brand-4:#6C5CE7;
  --text:#F2F5F3;
  --muted:#93A29C;
  --text-dim:#6C7A75;
  --ok:#2FD3A8;
  --warn:#FFB020;
  --danger:#FF5A36;
  --grad:linear-gradient(115deg,#C8F135 0%,#2FD3A8 52%,#6C5CE7 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --pill:999px;
  --sh-1:0 12px 32px rgba(0,0,0,.35);
  --sh-2:0 20px 48px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(200,241,53,.35);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ============ 左侧 App Shell ============ */
.shell{
  position:fixed;top:0;left:0;bottom:0;z-index:70;width:236px;
  background:linear-gradient(180deg,#131A18 0%,#0F1514 100%);
  border-right:1px solid var(--line);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:width .22s ease-out,transform .24s ease-out;
}
.shell-inner{height:100%;display:flex;flex-direction:column;gap:6px;padding:20px 14px;overflow-y:auto;overflow-x:hidden}
.logo{display:flex;align-items:center;gap:12px;padding:4px 6px 20px;color:var(--text)}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--grad);
  color:#0B0F0E;font-weight:800;font-size:19px;display:grid;place-items:center;
  box-shadow:0 8px 20px rgba(200,241,53,.18);
}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.2px;white-space:nowrap;opacity:1;transition:opacity .18s ease-out}
.nav-group{display:flex;flex-direction:column;gap:4px}
.nav-label{white-space:nowrap;transition:opacity .18s ease-out}
.nav-title{font-size:11.5px;letter-spacing:.16em;color:var(--text-dim);padding:14px 12px 6px;white-space:nowrap;text-transform:uppercase}
.nav-item{
  position:relative;display:flex;align-items:center;gap:14px;height:46px;padding:0 12px;
  border-radius:var(--r-sm);color:var(--muted);font-size:14.5px;font-weight:500;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item:hover .nav-icon{transform:translateX(2px)}
.nav-item.is-active{color:var(--text);background:rgba(200,241,53,.06)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.nav-icon{flex:0 0 20px;transition:transform .18s ease-out}
.shell-spacer{flex:1 1 auto}
.shell-search{display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 12px;height:42px}
.shell-search input{background:transparent;border:0;outline:none;width:100%;font-size:14px;color:var(--text)}
.shell-search input::placeholder{color:var(--text-dim)}
.shell-foot{border-top:1px solid var(--line);margin-top:14px;padding-top:14px;display:flex;flex-direction:column;gap:4px}
.shell-copy{font-size:12px;color:var(--text-dim);padding:10px 12px 2px;white-space:nowrap}
.shell-toggle-vis{opacity:0;transition:opacity .18s ease-out;white-space:nowrap}
@media(min-width:1024px){
  .shell{width:84px}
  .shell:hover{width:236px;box-shadow:var(--sh-2)}
  .shell .nav-label,.shell .logo-text,.shell .nav-title,.shell .shell-toggle-vis,.shell .shell-copy{opacity:0}
  .shell:hover .nav-label,.shell:hover .logo-text,.shell:hover .nav-title,.shell:hover .shell-toggle-vis,.shell:hover .shell-copy{opacity:1}
}
@media(min-width:1280px){
  .shell{width:236px}
  .shell .nav-label,.shell .logo-text,.shell .nav-title,.shell .shell-toggle-vis,.shell .shell-copy{opacity:1}
}

/* ============ 移动端顶栏与抽屉 ============ */
.topbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:80;display:none;
  align-items:center;justify-content:space-between;padding:0 18px;
  background:rgba(15,21,20,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:14.5px}
.topbar-actions{display:flex;align-items:center;gap:6px}
.icon-btn{
  width:42px;height:42px;display:grid;place-items:center;border-radius:var(--r-sm);
  background:transparent;border:1px solid transparent;color:var(--muted);cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.icon-btn:hover{background:var(--surface-2);color:var(--text);border-color:var(--line)}
.nav-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;z-index:65;
}
.nav-mask.is-show{opacity:1;visibility:visible}
@media(max-width:1023px){
  .topbar{display:flex}
  .shell{width:82%;max-width:320px;transform:translateX(-100%);box-shadow:var(--sh-2)}
  .shell.is-open{transform:translateX(0)}
  .page{padding-top:64px}
}

/* ============ 页面主体 ============ */
.page{min-height:100vh;display:flex;flex-direction:column}
@media(min-width:1024px){.page{margin-left:84px}}
@media(min-width:1280px){.page{margin-left:236px}}
main{flex:1 1 auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--grad);color:#0B0F0E;box-shadow:0 10px 26px rgba(47,211,168,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,211,168,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text);border-color:rgba(255,255,255,.14);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.11);border-color:rgba(200,241,53,.45);color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 标签 / 徽章 ============ */
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:4px;
  background:rgba(200,241,53,.12);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.chip-orange{background:rgba(255,90,54,.14);color:#FF8A6E}
.chip-green{background:rgba(47,211,168,.13);color:var(--brand-3)}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  box-shadow:inset 0 0 0 1px rgba(200,241,53,.18);backdrop-filter:blur(6px);font-size:13px;
}
.badge b{color:var(--brand);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.badge span{color:var(--muted)}

/* ============ Hero ============ */
.hero{position:relative;padding:20px 0 0}
.hero-card{
  position:relative;border-radius:32px;overflow:hidden;min-height:78vh;
  display:flex;align-items:flex-end;box-shadow:var(--sh-1);
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,15,14,.94) 0%,rgba(11,15,14,.78) 38%,rgba(11,15,14,.35) 68%,rgba(11,15,14,.15) 100%),
             linear-gradient(0deg,rgba(11,15,14,.95) 0%,rgba(11,15,14,.1) 55%);
}
.hero-inner{position:relative;z-index:2;padding:48px 28px 40px;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:var(--pill);
  background:rgba(200,241,53,.12);border:1px solid rgba(200,241,53,.32);color:var(--brand);
  font-size:12.5px;font-weight:600;margin-bottom:20px;
}
.hero-title{font-size:clamp(30px,4.2vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.5px}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:#C3CFCA;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
@media(min-width:1024px){.hero-inner{padding:64px 56px 52px}.hero-sub{font-size:17px}}
@media(max-width:639px){
  .hero-card{min-height:60vh;border-radius:24px}
  .hero-inner{padding:28px 20px 26px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .badge{height:32px;padding:0 12px;font-size:12px}
  .badge b{font-size:14px}
}

/* ============ 通用板块 ============ */
.sec{padding:64px 0 0}
@media(min-width:1024px){.sec{padding:88px 0 0}}
@media(min-width:1280px){.sec{padding:112px 0 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.sec-head-left{display:flex;align-items:center;gap:14px}
.sec-bar{width:3px;height:26px;border-radius:2px;background:var(--grad)}
.sec-title{font-size:clamp(22px,2.4vw,30px);line-height:1.25;font-weight:700;letter-spacing:-.2px}
.sec-desc{margin-top:10px;font-size:14.5px;color:var(--muted);max-width:760px}
.sec-more{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.sec-more:hover{color:var(--brand)}
.arrows{display:flex;gap:8px}
.arrow-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--muted);cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.arrow-btn:hover{background:rgba(200,241,53,.1);color:var(--brand);border-color:rgba(200,241,53,.4);transform:translateY(-1px)}
@media(max-width:1023px){.arrows{display:none}}

/* ============ 横滑轨道 ============ */
.rail-wrap{position:relative;margin:0 -20px;padding:0 20px}
@media(min-width:640px){.rail-wrap{margin:0 -32px;padding:0 32px}}
@media(min-width:1024px){.rail-wrap{margin:0 -40px;padding:0 40px}}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  position:relative;flex:0 0 320px;scroll-snap-align:start;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,241,53,.25)}
.rail-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rail-card:hover .rail-cover img{transform:scale(1.05)}
.rail-chip{position:absolute;top:12px;left:12px;z-index:2}
.rail-dur{
  position:absolute;right:12px;bottom:12px;z-index:2;display:inline-flex;align-items:center;
  height:26px;padding:0 10px;border-radius:var(--pill);background:rgba(0,0,0,.62);
  border:1px solid rgba(255,255,255,.14);font-size:12px;color:#E7EDEA;font-variant-numeric:tabular-nums;
}
.rail-body{padding:14px 16px 16px}
.rail-title{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{margin-top:8px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
@media(max-width:639px){
  .rail{gap:12px}
  .rail-card{flex:0 0 78vw}
}

/* ============ 热播推荐网格 ============ */
.poster-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(min-width:768px){.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
@media(min-width:1024px){.poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(min-width:1280px){.poster-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}}
.poster{
  position:relative;display:block;border-radius:var(--r-md);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);aspect-ratio:2/3;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.poster:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,241,53,.25)}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.poster:hover img{transform:scale(1.04)}
.poster-rank{
  position:absolute;top:12px;left:12px;z-index:3;width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.16);color:#F2F5F3;backdrop-filter:blur(4px);
}
.poster-rank.top{background:var(--grad);color:#0B0F0E}
.poster-info{
  position:absolute;left:0;right:0;bottom:0;z-index:3;padding:34px 14px 14px;
  background:linear-gradient(0deg,rgba(11,15,14,.94) 0%,rgba(11,15,14,.6) 55%,transparent 100%);
  transition:transform .2s ease-out;
}
.poster:hover .poster-info{transform:translateY(-4px)}
.poster-title{font-size:14.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.poster-meta{margin-top:6px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;display:flex;gap:10px}

/* ============ 资讯区（CMS 循环位） ============ */
.news-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.news-layout{grid-template-columns:2fr 1fr;gap:32px}}
.headline{
  display:grid;grid-template-columns:1fr;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.headline:hover{border-color:rgba(200,241,53,.25);box-shadow:var(--sh-2)}
@media(min-width:640px){.headline{grid-template-columns:280px 1fr}}
.headline-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.headline-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.headline:hover .headline-cover img{transform:scale(1.04)}
.headline-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px}
.headline-title{font-size:20px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.headline:hover .headline-title{color:var(--brand)}
.headline-sum{font-size:14.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.news-item{
  display:flex;gap:16px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-sm);transition:border-color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.news-item:hover{border-color:rgba(200,241,53,.25);background:var(--surface-2);transform:translateX(3px)}
.news-thumb{flex:0 0 132px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-title{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text)}
.news-item:hover .news-title{color:var(--brand)}
.news-sum{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--text-dim);font-variant-numeric:tabular-nums}
@media(max-width:639px){.news-thumb{flex:0 0 96px}}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--r-md);background:var(--surface);color:var(--muted);text-align:center;padding:32px 20px;
}
.side-stack{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 20px 22px;box-shadow:var(--sh-1)}
.side-title{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--pill);
  background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-size:13px;
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.tag:hover{color:var(--brand);border-color:rgba(200,241,53,.4);background:rgba(200,241,53,.08)}
.hot-row{display:flex;align-items:center;gap:14px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.hot-row:last-child{border-bottom:0;padding-bottom:0}
.hot-idx{flex:0 0 22px;font-size:14px;font-weight:800;color:var(--text-dim);font-variant-numeric:tabular-nums}
.hot-row:first-child .hot-idx{color:var(--brand)}
.hot-name{flex:1 1 auto;font-size:14px;color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hot-row:hover .hot-name{color:var(--brand)}
.hot-val{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.sub-form{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.sub-form .field{display:flex;flex-direction:column;gap:6px}
.sub-form input{
  height:48px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);
  padding:0 14px;font-size:14px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,53,.18)}
.sub-form input::placeholder{color:var(--text-dim)}
.form-tip{font-size:12.5px;color:var(--text-dim)}
.form-err{font-size:13px;color:var(--danger);min-height:18px}

/* ============ 片单 + 榜单 ============ */
.split{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.split{grid-template-columns:3fr 2fr;gap:28px}}
.playlist{
  background:linear-gradient(160deg,#161F1D 0%,#111817 100%);border:1px solid var(--line);
  border-radius:24px;padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:20px;
}
.playlist-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.playlist-grid figure{border-radius:16px;overflow:hidden;aspect-ratio:16/10;background:var(--surface-2)}
.playlist-grid img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.playlist-grid figure:hover img{transform:scale(1.05)}
.playlist h3{font-size:19px;font-weight:700}
.playlist p{font-size:14.5px;color:var(--muted)}
.rank-list{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px 22px 18px;box-shadow:var(--sh-1)}
.rank-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.rank-row:last-child{border-bottom:0}
.rank-no{flex:0 0 26px;font-size:17px;font-weight:800;color:var(--text-dim);font-variant-numeric:tabular-nums}
.rank-row.top .rank-no{
  width:26px;height:26px;border-radius:8px;background:var(--grad);color:#0B0F0E;
  display:grid;place-items:center;font-size:14px;flex:0 0 26px;
}
.rank-name{flex:1 1 auto;font-size:14.5px;color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-row:hover .rank-name{color:var(--brand)}
.rank-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:12px;color:var(--muted);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}

/* ============ 讨论热度 ============ */
.talk{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:1024px){.talk{grid-template-columns:repeat(3,1fr);gap:24px}}
.talk-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);transition:border-color .2s ease-out,transform .2s ease-out}
.talk-card:hover{border-color:rgba(200,241,53,.25);transform:translateY(-3px)}
.avatars{display:flex;align-items:center;margin-bottom:16px}
.avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;
  background:var(--surface-2);border:2px solid #101716;color:var(--muted);margin-right:-10px;
}
.avatar.g1{background:rgba(200,241,53,.18);color:var(--brand)}
.avatar.g2{background:rgba(47,211,168,.18);color:var(--brand-3)}
.avatar.g3{background:rgba(108,92,231,.22);color:#B4ACF5}
.avatar.more{background:var(--surface-2);color:var(--text-dim);font-size:11.5px}
.talk-quote{font-size:15px;line-height:1.85;color:#D6DEDA}
.talk-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-dim);font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease-out}
.faq-item[open]{border-color:rgba(200,241,53,.25)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);font-size:16px;line-height:1;
  transition:transform .24s ease-out,background .24s ease-out,color .24s ease-out;
}
.faq-item[open] .faq-mark{transform:rotate(45deg);background:rgba(200,241,53,.14);color:var(--brand)}
.faq-answer{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ============ CTA ============ */
.cta-card{
  position:relative;border-radius:32px;overflow:hidden;padding:56px 28px;text-align:center;
  border:1px solid rgba(200,241,53,.18);box-shadow:var(--sh-1);
}
.cta-card .cta-bg{position:absolute;inset:0;z-index:0}
.cta-card .cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.cta-card .cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(200,241,53,.16) 0%,rgba(47,211,168,.16) 45%,rgba(108,92,231,.22) 100%),linear-gradient(0deg,rgba(11,15,14,.9) 0%,rgba(11,15,14,.72) 100%)}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:18px}
.cta-title{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.4px}
.cta-sub{font-size:15.5px;color:#C3CFCA}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:6px}
@media(max-width:639px){.cta-card{padding:40px 20px;border-radius:24px}.cta-actions{flex-direction:column;width:100%}.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.footer{margin-top:72px;background:#070A09;border-top:1px solid var(--line);position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;width:40%;height:1px;background:var(--grad)}
.footer-inner{padding:56px 0 34px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand-text{font-size:15.5px;font-weight:700;color:var(--text)}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85}
.footer-title{font-size:13px;letter-spacing:.14em;color:var(--text-dim);margin-bottom:16px;font-weight:600}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:var(--muted)}
.footer-list a:hover{color:var(--brand)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:var(--muted);
  background:var(--surface);border:1px solid var(--line);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.social a:hover{color:var(--brand);border-color:rgba(200,241,53,.4);transform:translateY(-2px)}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-dim);
}
.footer-bottom a{color:var(--text-dim)}
.footer-bottom a:hover{color:var(--brand)}
.back-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);
}

/* roulang page: article */
:root{
  --bg:#0B0F0E;
  --surface:#131A18;
  --surface-2:#1A2320;
  --line:rgba(255,255,255,.08);
  --brand:#C8F135;
  --brand-2:#FF5A36;
  --brand-3:#2FD3A8;
  --brand-4:#6C5CE7;
  --text:#F2F5F3;
  --muted:#93A29C;
  --text-dim:#6C7A75;
  --ok:#2FD3A8;
  --warn:#FFB020;
  --danger:#FF5A36;
  --grad:linear-gradient(115deg,#C8F135 0%,#2FD3A8 52%,#6C5CE7 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --shadow-hover:0 20px 48px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(200,241,53,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(200,241,53,.28);color:#fff}
.num{font-variant-numeric:tabular-nums;font-family:Inter,"DIN Alternate","Helvetica Neue",Arial,sans-serif}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#0B0F0E;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;font-weight:600}
.skip:focus{left:0}

/* 容器 */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* 左侧 App Shell 导航 */
.shell{
  position:fixed;top:0;left:0;bottom:0;width:84px;
  display:flex;flex-direction:column;gap:6px;
  padding:18px 12px;
  background:rgba(19,26,24,.94);
  border-right:1px solid var(--line);
  backdrop-filter:blur(12px);
  z-index:80;overflow:hidden;
  transition:width .22s ease-out,transform .24s ease-out;
}
.shell:hover,.shell:focus-within{width:236px}
.shell-brand{display:flex;align-items:center;gap:12px;padding:6px 6px 16px;color:var(--text);border-bottom:1px solid var(--line);margin-bottom:8px}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--grad);color:#0B0F0E;font-weight:800;font-size:16px;
}
.shell-brand-text{font-size:15px;font-weight:700;white-space:nowrap;opacity:0;transition:opacity .18s ease-out}
.shell:hover .shell-brand-text,.shell:focus-within .shell-brand-text{opacity:1}
.shell-nav{display:flex;flex-direction:column;gap:4px}
.shell-link{
  position:relative;display:flex;align-items:center;gap:14px;
  height:46px;padding:0 12px;border-radius:14px;
  color:var(--muted);font-size:14.5px;white-space:nowrap;
}
.shell-link svg{flex:0 0 22px}
.shell-link .shell-label{opacity:0;transition:opacity .18s ease-out}
.shell:hover .shell-link .shell-label,.shell:focus-within .shell-link .shell-label{opacity:1}
.shell-link:hover{background:var(--surface-2);color:var(--text)}
.shell-link:hover svg{transform:translateX(2px)}
.shell-link svg{transition:transform .18s ease-out}
.shell-link.active{color:var(--text);background:rgba(200,241,53,.06)}
.shell-link.active::before{content:"";position:absolute;left:-12px;top:9px;bottom:9px;width:4px;border-radius:0 4px 4px 0;background:var(--grad)}
.shell-search{width:212px;margin-top:14px;opacity:0;transition:opacity .18s ease-out}
.shell:hover .shell-search,.shell:focus-within .shell-search{opacity:1}
.shell-search input{
  width:100%;height:42px;border-radius:14px;padding:0 14px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);font-size:14px;
}
.shell-search input::placeholder{color:var(--text-dim)}
.shell-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,53,.35)}
.shell-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;opacity:0;transition:opacity .18s ease-out}
.shell:hover .shell-foot,.shell:focus-within .shell-foot{opacity:1}
.shell-cta{width:212px;justify-content:center;height:44px;font-size:14px}
.shell-copy{font-size:12.5px;color:var(--text-dim);white-space:nowrap}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .2s ease-out;z-index:70}
.scrim.show{opacity:1;pointer-events:auto}
@media(min-width:1280px){
  .shell{width:236px}
  .shell-brand-text,.shell-link .shell-label,.shell-search,.shell-foot{opacity:1}
}
@media(max-width:1023px){
  .shell{width:min(82vw,320px);transform:translateX(-100%);padding:20px 16px;box-shadow:0 24px 60px rgba(0,0,0,.6)}
  .shell.open{transform:translateX(0)}
  .shell .shell-brand-text,.shell .shell-link .shell-label,.shell .shell-search,.shell .shell-foot{opacity:1}
}

/* 移动端顶部栏 */
.topbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(19,26,24,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:14.5px;font-weight:700}
.topbar-brand span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}
.topbar-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;color:var(--muted);
  border:1px solid transparent;
}
.icon-btn:hover{background:var(--surface-2);color:var(--text);border-color:var(--line)}
@media(min-width:1024px){.topbar{display:none}}

/* 主区 */
.main{padding:32px 0 0;min-height:70vh}
@media(max-width:1023px){.main{padding-top:88px}}
@media(min-width:1024px){.main{margin-left:84px}}
@media(min-width:1280px){.main{margin-left:236px}}

/* 面包屑 */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--text-dim);opacity:.7}
.crumb-current{color:var(--muted);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#0B0F0E;box-shadow:0 10px 26px rgba(200,241,53,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(200,241,53,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:rgba(200,241,53,.42);background:rgba(200,241,53,.08);color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* 标签 / 徽章 */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;line-height:1.5;color:var(--muted);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.chip-brand{color:var(--brand);background:rgba(200,241,53,.08);border-color:rgba(200,241,53,.32)}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  box-shadow:inset 0 0 0 1px rgba(200,241,53,.18);
}
.badge b{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}

/* 文章布局 */
.article-layout{display:grid;grid-template-columns:1fr;gap:36px;align-items:start}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:44px}}
.article-body{min-width:0}

.article-head{margin-bottom:26px}
.article-head h1{
  font-size:clamp(28px,3.6vw,38px);
  line-height:1.24;font-weight:800;letter-spacing:-.2px;
  margin:16px 0 16px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-dim)}
.meta-row .dot{opacity:.6}
.meta-row time{color:var(--muted)}

.figure-main{margin:0 0 30px;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.figure-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.figure-main figcaption{font-size:13px;color:var(--text-dim);padding:12px 16px;background:var(--surface);border-top:1px solid var(--line)}

/* 正文 */
.prose{max-width:760px;font-size:16.5px;line-height:1.85;color:#DCE5E1;overflow-wrap:break-word}
.prose h2{font-size:clamp(20px,2.4vw,27px);line-height:1.3;font-weight:700;color:var(--text);margin:34px 0 14px}
.prose h3{font-size:17.5px;line-height:1.5;font-weight:600;color:var(--text);margin:26px 0 10px}
.prose h4{font-size:16px;font-weight:600;color:var(--text);margin:20px 0 8px}
.prose p{margin:0 0 1.15em}
.prose strong{color:var(--text)}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#fff}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:22px}
.prose li{margin:.4em 0}
.prose ul li::marker{color:var(--brand)}
.prose ol li::marker{color:var(--brand);font-variant-numeric:tabular-nums}
.prose blockquote{
  position:relative;margin:24px 0;padding:18px 22px 18px 26px;
  background:var(--surface);border-radius:14px;color:var(--muted);font-size:15.5px;
}
.prose blockquote::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad)}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:16px;width:100%;height:auto;margin:22px 0 8px}
.prose figcaption{font-size:13px;color:var(--text-dim);text-align:center;margin-bottom:18px}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  font-size:14.5px;margin:22px 0;font-variant-numeric:tabular-nums;
}
.prose th{background:var(--surface-2);text-align:left;padding:12px 14px;color:var(--text);font-weight:600}
.prose td{padding:11px 14px;border-top:1px solid var(--line);color:#C7D2CD}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.prose hr{border:0;height:1px;background:var(--line);margin:32px 0}
.prose code{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:240px;padding:40px 20px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:20px;
}
.empty-state svg{color:var(--text-dim)}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state a{font-size:15px;font-weight:600}

/* 标签组 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 0;max-width:760px}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr;gap:16px;margin:36px 0 0;max-width:760px}
@media(min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.post-card{
  display:flex;flex-direction:column;gap:8px;
  padding:18px 20px;border-radius:20px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  color:var(--text);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(200,241,53,.25)}
.post-card .post-dir{font-size:12.5px;color:var(--text-dim);letter-spacing:.08em}
.post-card .post-title{font-size:16px;font-weight:600;line-height:1.5}
.post-card:hover .post-title{color:var(--brand)}
.post-card .post-meta{font-size:13px;color:var(--muted)}

/* 相关推荐 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:56px 0 20px;max-width:1000px}
.section-head h2{font-size:clamp(20px,2.2vw,25px);font-weight:700;line-height:1.3}
.section-head .head-link{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.section-head .head-link:hover{color:var(--brand);gap:10px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);color:var(--text)}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(200,241,53,.25)}
.rel-thumb{position:relative;overflow:hidden}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .24s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-thumb .chip{position:absolute;left:12px;top:12px;background:rgba(11,15,14,.72);backdrop-filter:blur(8px)}
.rel-body{padding:16px 18px 18px}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body .rel-meta{margin-top:10px;font-size:13px;color:var(--text-dim);display:flex;gap:10px;align-items:center}

/* 返回栏 */
.back-bar{margin:44px 0 0}
.back-bar a{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--muted);padding:10px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface)}
.back-bar a:hover{color:var(--brand);border-color:rgba(200,241,53,.35);background:rgba(200,241,53,.06)}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.side{position:sticky;top:28px;align-self:start}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:3px;background:var(--grad);display:inline-block}
.toc-link{display:block;font-size:14px;color:var(--muted);padding:8px 0;border-bottom:1px solid rgba(255,255,255,.05);line-height:1.55}
.toc-link:last-child{border-bottom:0}
.toc-link:hover{color:var(--brand);padding-left:4px}
.rank-item{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text);font-size:14.5px}
.rank-item:last-child{border-bottom:0}
.rank-no{flex:0 0 22px;font-size:14px;font-weight:700;color:var(--text-dim);font-variant-numeric:tabular-nums}
.rank-item:nth-child(1) .rank-no,
.rank-item:nth-child(2) .rank-no,
.rank-item:nth-child(3) .rank-no{color:var(--brand)}
.rank-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-item:hover .rank-text{color:var(--brand)}
.rank-item .chip{flex:0 0 auto;font-size:12px;padding:3px 9px}
.side-note{font-size:13px;color:var(--text-dim);line-height:1.7}

/* CTA */
.cta-card{
  position:relative;margin:72px 0 0;border-radius:28px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.cta-card::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,15,14,.94) 0%,rgba(11,15,14,.7) 55%,rgba(11,15,14,.45) 100%)}
.cta-inner{position:relative;z-index:2;padding:44px 28px;max-width:620px}
.cta-eyebrow{font-size:12.5px;letter-spacing:.16em;color:var(--brand);margin-bottom:12px}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.3;margin-bottom:14px}
.cta-inner p{font-size:15.5px;color:var(--muted);margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:640px){.cta-inner{padding:56px 48px}}

/* 页脚 */
.footer{margin-top:88px;background:#080B0A;border-top:1px solid var(--line);position:relative}
.footer::before{content:"";position:absolute;top:-1px;left:0;width:40%;height:1px;background:var(--grad)}
.footer-inner{padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand-text{font-size:16px;font-weight:700;color:var(--text)}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.75;max-width:340px}
.footer-title{font-size:13px;letter-spacing:.12em;color:var(--text-dim);margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14.5px;color:var(--muted)}
.footer-list a:hover{color:var(--brand)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;color:var(--muted);
  background:var(--surface);border:1px solid var(--line);
}
.social a:hover{color:var(--brand);border-color:rgba(200,241,53,.35);transform:translateY(-2px)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-dim);
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}
.back-top:hover{color:var(--brand)}

@media(max-width:520px){
  .article-head h1{font-size:26px}
  .cta-inner{padding:34px 20px}
  .cta-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0F0E;
  --surface:#131A18;
  --surface-2:#1A2320;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#C8F135;
  --brand-2:#FF5A36;
  --brand-3:#2FD3A8;
  --brand-4:#6C5CE7;
  --grad:linear-gradient(115deg,#C8F135 0%,#2FD3A8 52%,#6C5CE7 100%);
  --text:#F2F5F3;
  --muted:#93A29C;
  --text-dim:#6C7A75;
  --ok:#2FD3A8;
  --warn:#FFB020;
  --danger:#FF5A36;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 12px 32px rgba(0,0,0,.35);
  --sh-2:0 20px 48px rgba(0,0,0,.5);
  --num:'Inter','DIN Alternate','PingFang SC',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans SC','Source Han Sans SC','Microsoft YaHei','Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(200,241,53,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(200,241,53,.28)}
.app{min-height:100vh;overflow-x:hidden}
@media (min-width:1024px){.app{padding-left:84px}}
@media (min-width:1280px){.app{padding-left:236px}}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- 左侧 App Shell 导航 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 14px;
  background:rgba(19,26,24,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:14px;letter-spacing:.01em}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
  border-radius:10px;background:var(--grad);color:#08201A;font-weight:800;font-size:16px;
}
.brand-text{display:inline;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface-2);
  color:var(--muted);cursor:pointer;transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.icon-btn:hover{background:#202B27;color:var(--text);border-color:var(--line-strong)}
.shell-nav{
  position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;z-index:70;
  display:flex;flex-direction:column;gap:6px;
  padding:80px 16px 28px;
  background:var(--surface);border-right:1px solid var(--line);
  transform:translateX(-104%);transition:transform .24s ease-out;
  overflow-y:auto;
}
.nav-open .shell-nav{transform:translateX(0)}
.scrim{
  position:fixed;inset:0;z-index:65;background:rgba(0,0,0,.6);
  backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .24s ease-out;
}
.nav-open .scrim{opacity:1;pointer-events:auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-sm);
  color:var(--muted);font-size:15px;font-weight:600;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-item svg{flex:0 0 auto}
.nav-item:hover{background:var(--surface-2);color:var(--text);transform:translateX(2px)}
.nav-item.is-active{color:var(--text);background:var(--surface-2)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:var(--r-pill);background:var(--grad);
}
.nav-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--text-dim);line-height:1.7}
@media (min-width:1024px){
  .topbar{
    right:auto;bottom:0;height:auto;width:84px;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:20px;padding:20px 12px;
    border-bottom:0;border-right:1px solid var(--line);
  }
  .topbar-brand{justify-content:center;gap:0;font-size:0}
  .brand-text{display:none}
  .topbar-actions{flex-direction:column;gap:8px;margin-top:auto}
  .icon-btn{width:44px;height:44px}
  #navToggle{display:none}
  .shell-nav{
    position:static;width:auto;max-width:none;transform:none;padding:0;
    background:transparent;border:0;overflow:visible;gap:8px;
  }
  .nav-item{justify-content:center;padding:12px 0;gap:0}
  .nav-item span{display:none}
  .nav-item:hover{transform:translateX(2px)}
  .nav-foot{display:none}
}
@media (min-width:1280px){
  .topbar{width:236px;padding:22px 16px}
  .topbar-brand{justify-content:flex-start;gap:10px;font-size:15px}
  .brand-text{display:inline}
  .topbar-actions{flex-direction:row}
  .nav-item{justify-content:flex-start;padding:11px 14px;gap:12px}
  .nav-item span{display:inline}
  .nav-foot{display:block}
}

/* ---------- 主体 ---------- */
.main{padding:88px 0 0}
@media (min-width:1024px){.main{padding:36px 0 0}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-dim)}
.crumb .now{color:var(--muted)}

.cat-hero{
  position:relative;margin-top:16px;border-radius:var(--r-lg);overflow:hidden;
  min-height:320px;display:flex;align-items:flex-end;
  background:#0B0F0E url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--sh-1);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(92deg,rgba(11,15,14,.95) 0%,rgba(11,15,14,.72) 46%,rgba(11,15,14,.18) 100%),
    linear-gradient(0deg,rgba(11,15,14,.92) 0%,rgba(11,15,14,0) 58%);
}
.cat-hero-inner{position:relative;z-index:2;padding:28px 22px;width:100%}
@media (min-width:768px){.cat-hero-inner{padding:46px 44px}}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);
  font-weight:600;letter-spacing:.04em;
}
.cat-hero .eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--grad)}
.cat-hero h1{
  font-size:clamp(30px,3.8vw,50px);line-height:1.12;font-weight:800;
  margin:12px 0 0;letter-spacing:-.01em;
}
.cat-hero .lede{margin:14px 0 0;max-width:640px;font-size:15px;color:#C6D1CC;line-height:1.8}
@media (min-width:768px){.cat-hero .lede{font-size:16px}}

.stat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  box-shadow:inset 0 0 0 1px rgba(200,241,53,.18);
  font-size:13px;color:var(--muted);backdrop-filter:blur(6px);
}
.stat-badge b{font-family:var(--num);font-size:16px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}

.section{margin-top:56px}
@media (min-width:1024px){.section{margin-top:88px}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.25;font-weight:700;margin:8px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim)}
.eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--grad)}
.more-link{font-size:14px;font-weight:600;color:var(--brand);border-bottom:1px solid transparent;transition:border-color .18s ease-out}
.more-link:hover{border-color:rgba(200,241,53,.6)}

/* ---------- 工具条 ---------- */
.toolbar{margin-top:32px;display:flex;flex-direction:column;gap:14px}
.chip-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;margin:0 -4px;padding-left:4px;padding-right:4px}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.chip:hover{color:var(--text);background:var(--surface-2);border-color:var(--line-strong)}
.chip.is-active{background:var(--grad);color:#08201A;border-color:transparent;font-weight:700}
.toolbar-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.tabs{
  display:flex;gap:6px;padding:5px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-pill);
  max-width:100%;overflow-x:auto;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;padding:8px 15px;border-radius:var(--r-pill);
  background:transparent;border:0;color:var(--muted);
  font-size:14px;font-weight:600;cursor:pointer;transition:color .18s ease-out,background .18s ease-out;
}
.tab:hover{color:var(--text)}
.tab.is-active{background:var(--surface-2);color:var(--text);box-shadow:inset 0 0 0 1px rgba(200,241,53,.25)}
.toolbar-note{font-size:13px;color:var(--text-dim);font-variant-numeric:tabular-nums}

/* ---------- 分栏 ---------- */
.layout{display:grid;gap:24px;margin-top:26px}
@media (min-width:1024px){.layout{grid-template-columns:236px minmax(0,1fr);align-items:start}}
.filter-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-1);
}
@media (min-width:1024px){.filter-panel{position:sticky;top:24px}}
.filter-group + .filter-group{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.filter-title{margin:0 0 10px;font-size:13px;font-weight:600;color:var(--text-dim);letter-spacing:.05em}
.filter-opt{display:flex;align-items:center;gap:9px;padding:5px 0;font-size:14px;color:var(--muted);cursor:pointer}
.filter-opt:hover{color:var(--text)}
.filter-opt input{
  appearance:none;-webkit-appearance:none;width:16px;height:16px;flex:0 0 16px;
  border-radius:5px;border:1px solid var(--line-strong);background:var(--surface-2);
  position:relative;cursor:pointer;margin:0;transition:background .16s ease-out,border-color .16s ease-out;
}
.filter-opt input:checked{background:var(--brand);border-color:var(--brand)}
.filter-opt input:checked::after{
  content:"";position:absolute;left:5px;top:2px;width:5px;height:9px;
  border-right:2px solid #08201A;border-bottom:2px solid #08201A;transform:rotate(40deg);
}
.filter-reset{
  width:100%;margin-top:18px;height:42px;border-radius:var(--r-sm);
  background:var(--surface-2);border:1px solid var(--line);color:var(--muted);
  font-size:14px;font-weight:600;cursor:pointer;transition:color .18s ease-out,border-color .18s ease-out;
}
.filter-reset:hover{color:var(--text);border-color:rgba(200,241,53,.4)}

/* ---------- 卡片网格 ---------- */
.match-grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media (min-width:560px){.match-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.match-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.match-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,241,53,.25)}
.cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.match-card:hover .cover img{transform:scale(1.05)}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,15,14,.55),rgba(11,15,14,0) 55%)}
.tag{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(11,15,14,.76);border:1px solid var(--line);
  color:var(--text);font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.badge-time{
  position:absolute;right:12px;bottom:12px;z-index:2;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(11,15,14,.8);border:1px solid var(--line);
  color:var(--brand);font-family:var(--num);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{margin:0;font-size:17px;font-weight:600;line-height:1.45}
.card-meta{font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.card-text{margin:0;font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line)}
.score{font-family:var(--num);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}
.state{font-size:12px;font-weight:700;padding:5px 11px;border-radius:var(--r-pill);white-space:nowrap}
.state.live{background:var(--grad);color:#08201A}
.state.soon{color:var(--brand);background:rgba(200,241,53,.1);border:1px solid rgba(200,241,53,.32)}
.state.done{color:var(--muted);background:var(--surface-2)}
@media (min-width:768px){
  .match-card.is-wide{grid-column:span 2;flex-direction:row}
  .match-card.is-wide .cover{flex:0 0 44%;aspect-ratio:auto;min-height:230px}
  .match-card.is-wide .card-body{padding:24px 26px}
  .match-card.is-wide .card-title{font-size:20px}
}

/* ---------- 横滑轨道 ---------- */
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 78vw;max-width:340px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
@media (min-width:768px){.rail-card{flex:0 0 300px}}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,241,53,.25)}
.rail-card .card-body{padding:16px 18px 18px}

/* ---------- 时段分布 ---------- */
.bars{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
@media (min-width:768px){.bars{padding:28px 32px}}
.bar-row{display:grid;grid-template-columns:72px minmax(0,1fr) 76px;align-items:center;gap:14px;padding:11px 0}
.bar-row + .bar-row{border-top:1px solid rgba(255,255,255,.05)}
.bar-label{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.bar-track{height:10px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:var(--grad)}
.bar-val{text-align:right;font-family:var(--num);font-size:14px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease-out}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);cursor:pointer;line-height:1.5;
}
.pm{position:relative;width:22px;height:22px;flex:0 0 22px;transition:transform .24s ease-out}
.pm::before,.pm::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%)}
.pm::before{width:12px;height:2px}
.pm::after{width:2px;height:12px;transition:opacity .24s ease-out}
.faq-item.is-open .pm{transform:rotate(180deg)}
.faq-item.is-open .pm::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease-out}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{margin:0;padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:38px 24px;box-shadow:var(--sh-2);
  background:var(--grad);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,15,14,.9) 0%,rgba(11,15,14,.7) 55%,rgba(11,15,14,.55) 100%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:22px}
@media (min-width:768px){.cta-card{padding:52px 48px}.cta-inner{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:center;gap:32px}}
.cta-card h2{margin:0;font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:800}
.cta-card p{margin:12px 0 0;font-size:15px;color:#D4DEDA;line-height:1.85;max-width:520px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:519px){.btn-row .btn{width:100%}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease-out,background .18s ease-out,border-color .18s ease-out,filter .18s ease-out;
}
.btn-primary{background:var(--grad);color:#08201A}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line-strong);color:var(--text);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(200,241,53,.45)}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 200px;height:48px;padding:0 16px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text);font-size:15px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.subscribe-form input::placeholder{color:var(--text-dim)}
.subscribe-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,53,.25)}
.form-hint{font-size:13px;color:var(--muted);margin-top:8px}
.form-hint.err{color:var(--danger)}

/* ---------- 页脚 ---------- */
.footer{position:relative;margin-top:72px;background:#080B0A;border-top:1px solid var(--line)}
@media (min-width:1024px){.footer{margin-top:104px}}
.footer::before{content:"";position:absolute;left:0;top:-1px;width:40%;height:1px;background:var(--grad)}
.footer-inner{padding:52px 0 26px}
.footer-grid{display:grid;gap:32px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--text)}
.footer-brand-text{color:var(--text)}
.footer-desc{margin:14px 0 0;font-size:14px;color:var(--muted);line-height:1.8;max-width:360px}
.footer-title{margin:0 0 14px;font-size:14px;font-weight:700;color:var(--text);letter-spacing:.02em}
.footer-list{display:grid;gap:10px}
.footer-list a{font-size:14px;color:var(--muted);transition:color .18s ease-out,transform .18s ease-out;display:inline-block}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);
  color:var(--muted);transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.social a:hover{color:var(--brand);border-color:rgba(200,241,53,.35);background:var(--surface-2)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-dim);font-variant-numeric:tabular-nums;
}
.back-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.back-top:hover{color:var(--brand)}

/* roulang page: category2 */
:root{
  --bg:#0B0F0E;
  --surface:#131A18;
  --surface-2:#1A2320;
  --line:rgba(255,255,255,.08);
  --brand:#C8F135;
  --brand-2:#FF5A36;
  --brand-3:#2FD3A8;
  --brand-4:#6C5CE7;
  --grad:linear-gradient(115deg,#C8F135 0%,#2FD3A8 52%,#6C5CE7 100%);
  --text:#F2F5F3;
  --muted:#93A29C;
  --text-dim:#6C7A75;
  --ok:#2FD3A8;
  --warn:#FFB020;
  --danger:#FF5A36;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --shadow-hover:0 20px 48px rgba(0,0,0,.5);
  --ring:0 0 0 3px rgba(200,241,53,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:#DDF95F}
h1,h2,h3,p{margin:0}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.12;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.4vw,29px);line-height:1.25;font-weight:700}
h3{font-size:17px;line-height:1.45;font-weight:600}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}
.section{padding:clamp(48px,6vw,88px) 0 0}

/* ---------- 顶部栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(19,26,24,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
@media(min-width:640px){.topbar{padding:0 24px}}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px;letter-spacing:.01em}
.topbar-brand:hover{color:var(--text)}
.topbar-brand span:last-child{white-space:nowrap}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--grad);color:#08130F;font-weight:800;font-size:16px;
}
.topbar-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--muted);cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.icon-btn:hover{color:var(--text);background:var(--surface-2);border-color:rgba(200,241,53,.25)}
@media(min-width:1024px){#navToggle{display:none}}

/* ---------- 左侧应用导航 ---------- */
.shell{
  position:fixed;top:64px;left:0;bottom:0;z-index:70;
  width:82%;max-width:300px;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:18px 14px 26px;
  overflow-y:auto;
  transform:translateX(-102%);
  transition:transform .22s ease-out;
}
.shell.open{transform:none}
@media(min-width:1024px){
  .shell{width:236px;max-width:none;transform:none;padding:22px 16px 28px}
}
.shell-logo{display:flex;align-items:center;gap:10px;padding:6px 10px 16px;color:var(--text);font-weight:700;font-size:15px}
.shell-label{
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--text-dim);margin:18px 12px 8px;
}
.shell-nav{display:flex;flex-direction:column;gap:4px}
.shell-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);
  color:var(--muted);font-size:15px;font-weight:500;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.shell-link svg{flex:0 0 20px}
.shell-link:hover{background:var(--surface-2);color:var(--text);transform:translateX(2px)}
.shell-link.active{color:var(--text);background:var(--surface-2)}
.shell-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
}
.shell-search{display:flex;gap:8px;margin:6px 0 4px}
.shell-search input{
  flex:1;height:40px;border-radius:var(--r-sm);
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--text);padding:0 12px;font-size:14px;font-family:inherit;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.shell-search input::placeholder{color:var(--text-dim)}
.shell-search input:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
.shell-search button{
  width:40px;height:40px;flex:0 0 40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(200,241,53,.1);color:var(--brand);cursor:pointer;
  transition:background .18s ease-out;
}
.shell-search button:hover{background:rgba(200,241,53,.2)}
.shell-foot{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);color:var(--text-dim);font-size:12px;line-height:1.9}
.shell-foot a{color:var(--muted);display:block;font-size:13px;padding:4px 0}
.shell-foot a:hover{color:var(--brand)}
.scrim{
  position:fixed;inset:0;z-index:65;background:rgba(0,0,0,.6);
  backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .2s ease-out;
}
.scrim.show{opacity:1;pointer-events:auto}
@media(min-width:1024px){.scrim{display:none}}

.app-main{padding-top:64px}
@media(min-width:1024px){.app-main{margin-left:236px}}

/* ---------- 分类 Banner ---------- */
.cat-hero{
  position:relative;overflow:hidden;margin-top:24px;
  border-radius:var(--r-lg);border:1px solid var(--line);
  min-height:320px;display:flex;align-items:flex-end;
  padding:clamp(22px,3vw,40px);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,15,14,.95) 0%,rgba(11,15,14,.72) 46%,rgba(11,15,14,.18) 100%),
             linear-gradient(180deg,rgba(11,15,14,.25) 0%,rgba(11,15,14,.9) 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(200,241,53,.1);border:1px solid rgba(200,241,53,.24);
  margin-bottom:14px;
}
.cat-hero h1{margin-bottom:12px}
.hero-sub{color:var(--muted);font-size:16px;line-height:1.8;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
@media(max-width:520px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  box-shadow:inset 0 0 0 1px rgba(200,241,53,.16);
  backdrop-filter:blur(8px);
  font-size:13px;color:var(--muted);
}
.badge b{color:var(--brand);font-weight:700;font-size:16px;font-variant-numeric:tabular-nums}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;font-family:inherit;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#08130F;box-shadow:0 10px 26px rgba(200,241,53,.16)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(200,241,53,.26);color:#08130F}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.06);border-color:var(--line);
  color:var(--text);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(200,241,53,.3);color:var(--text);transform:translateY(-2px)}
.chip{
  display:inline-flex;align-items:center;padding:4px 10px;
  border-radius:8px;font-size:12px;font-weight:600;
  color:var(--brand);background:rgba(200,241,53,.1);border:1px solid rgba(200,241,53,.22);
}
.chip-alt{color:var(--brand-3);background:rgba(47,211,168,.1);border-color:rgba(47,211,168,.24)}
.rank{
  width:28px;height:28px;flex:0 0 28px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);font-size:13px;font-weight:700;
  background:rgba(255,255,255,.08);color:var(--text);
  font-variant-numeric:tabular-nums;
}
.rank.top{background:var(--grad);color:#08130F}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-head p{color:var(--muted);font-size:14px;margin-top:6px}
.sec-tools{display:flex;align-items:center;gap:10px}
.sec-more{font-size:14px;font-weight:600;color:var(--brand)}
.round-btn{
  width:36px;height:36px;display:none;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--muted);cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.round-btn:hover{background:var(--surface-2);color:var(--text);border-color:rgba(200,241,53,.25)}
@media(min-width:1024px){.round-btn{display:inline-flex}}

/* ---------- 焦点大卡 ---------- */
.focus-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:1024px){.focus-grid{grid-template-columns:1.55fr 1fr}}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(200,241,53,.25)}
.focus-card{overflow:hidden;border-radius:24px}
.focus-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.focus-body{padding:22px}
.focus-body h3{font-size:19px;margin:12px 0 10px}
.focus-body p{color:var(--muted);font-size:15px}
.focus-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;color:var(--text-dim);font-size:13px}
.focus-meta b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:600}
.list-card{padding:22px}
.list-card h3{font-size:17px;margin-bottom:6px}
.list-card > p{color:var(--muted);font-size:14px}
.top-list{margin-top:14px}
.top-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06);
}
.top-row:last-child{border-bottom:none}
.top-row .name{flex:1;min-width:0;font-size:15px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top-row .val{font-size:15px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}

/* ---------- 横滑轨道 ---------- */
.track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 0 18px;scrollbar-width:none;
}
.track::-webkit-scrollbar{display:none}
.track-card{
  flex:0 0 300px;scroll-snap-align:start;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.track-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(200,241,53,.25)}
.track-cover{position:relative;overflow:hidden}
.track-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out}
.track-card:hover .track-cover img{transform:scale(1.05)}
.track-cover .chip{position:absolute;top:12px;left:12px;background:rgba(11,15,14,.72);backdrop-filter:blur(6px)}
.track-cnt{
  position:absolute;right:12px;bottom:12px;
  padding:5px 10px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(11,15,14,.72);color:var(--brand-3);
  border:1px solid rgba(47,211,168,.28);backdrop-filter:blur(6px);
  font-variant-numeric:tabular-nums;
}
.track-body{padding:16px 18px 20px}
.track-body h3{font-size:16px;margin-bottom:8px}
.track-body .meta{display:flex;justify-content:space-between;gap:10px;color:var(--text-dim);font-size:13px}
.track-body .meta span{font-variant-numeric:tabular-nums}
@media(max-width:1023px){
  .track{gap:12px;margin-right:-20px;padding-right:20px}
  .track-card{flex:0 0 78vw}
}

/* ---------- 时间轴 ---------- */
.tl-wrap{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:1024px){.tl-wrap{grid-template-columns:.85fr 1.15fr;gap:40px}}
.tl-intro p{color:var(--muted);font-size:15px;margin-top:12px}
.stat-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.timeline{position:relative;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  border-radius:2px;background:linear-gradient(180deg,#C8F135,#2FD3A8,#6C5CE7);opacity:.55;
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:16px;height:16px;
  border-radius:var(--r-pill);background:var(--surface);border:2px solid var(--brand);
}
.tl-time{font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-item h3{font-size:16px;margin:4px 0 6px}
.tl-item p{color:var(--muted);font-size:14px}

/* ---------- 维度卡 ---------- */
.dim-grid{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media(min-width:768px){.dim-grid{grid-template-columns:repeat(4,1fr)}}
.dim{
  padding:20px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.dim:hover{transform:translateY(-3px);border-color:rgba(200,241,53,.25);background:var(--surface-2)}
.dim-icon{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);background:rgba(200,241,53,.1);color:var(--brand);
  margin-bottom:14px;
}
.dim h3{font-size:16px;margin-bottom:6px}
.dim p{color:var(--muted);font-size:14px;line-height:1.75}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);
  transition:background .18s ease-out;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--surface-2)}
.faq .plus{
  width:24px;height:24px;flex:0 0 24px;position:relative;
  transition:transform .24s ease-out;
}
.faq .plus::before,.faq .plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq .plus::before{top:11px;left:4px;width:16px;height:2px}
.faq .plus::after{top:4px;left:11px;width:2px;height:16px}
.faq details[open] .plus{transform:rotate(135deg)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85;max-width:860px}

/* ---------- CTA + 表单 ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);padding:clamp(28px,4vw,52px);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(200,241,53,.18) 0%,rgba(47,211,168,.14) 52%,rgba(108,92,231,.24) 100%),
             linear-gradient(180deg,rgba(11,15,14,.88),rgba(11,15,14,.94));
}
.cta-inner{position:relative;z-index:2;max-width:760px}
.cta-inner h2{margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:15px}
.cta-form{display:flex;gap:12px;margin-top:24px}
.cta-form input{
  flex:1;height:48px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--text);padding:0 16px;font-size:15px;font-family:inherit;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input::placeholder{color:var(--text-dim)}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
.form-hint{margin-top:12px;font-size:13px;color:var(--text-dim)}
.form-hint.ok{color:var(--ok)}
@media(max-width:640px){
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.footer{position:relative;margin-top:88px;background:#080C0B;border-top:1px solid var(--line)}
.footer::before{content:"";position:absolute;top:0;left:0;width:40%;height:1px;background:var(--grad)}
.footer-inner{padding-top:56px;padding-bottom:28px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-text{font-weight:700;font-size:16px;color:var(--text)}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.8}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{color:var(--muted);font-size:14px}
.footer-list a:hover{color:var(--brand);transform:translateX(2px)}
.social{display:flex;gap:10px;margin-top:16px}
.social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--muted);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.social a:hover{color:var(--brand);border-color:rgba(200,241,53,.3);transform:translateY(-2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--text-dim);font-size:13px;
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}
.back-top:hover{color:var(--brand)}
