/* roulang page: index */
:root{
  --bg:#0B0913;--bg-deep:#08070F;--panel:#14111F;--card:#1A1626;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.14);
  --brand:#21E6A6;--brand-ink:#062B20;--brand-dark:#0E9C71;
  --accent:#FF7A45;--accent-2:#FFD166;
  --text:#F2F1F7;--text-2:#A9A5BD;--text-3:#6F6A85;
  --read-bg:#F7F8FC;--read-text:#1B1A22;--read-2:#5A5870;--read-3:#7A788C;
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"Roboto Mono","DIN Alternate",monospace;
  --r-card:18px;--r-img:14px;--r-input:12px;--r-panel:22px;
  --shadow:0 14px 36px rgba(0,0,0,.45);
  --shadow-brand:0 18px 44px rgba(33,230,166,.16);
  --container:1240px;
}
*,*::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:var(--font);
  font-size:16px;line-height:1.78;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;box-shadow:0 0 0 3px rgba(33,230,166,.35);border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
@media (max-width:767.98px){.container{padding:0 20px;}}
.section{padding:96px 0 0;}
@media (max-width:991.98px){.section{padding:72px 0 0;}}
@media (max-width:575.98px){.section{padding:56px 0 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,3vw,34px);font-weight:700;line-height:1.3;padding-left:14px;position:relative;}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--brand);}
.section-head .head-sub{font-size:14px;color:var(--text-2);max-width:520px;}
.text-link{color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link:hover{color:#5BF3C1;}
.text-link:hover .arrow{transform:translateX(4px);}
.arrow{display:inline-block;transition:transform .18s ease;}

/* ============ 顶部提示条 ============ */
.topbar{background:rgba(255,122,69,.1);border-bottom:1px solid rgba(255,122,69,.3);}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 8px;animation:pulse 1.8s infinite;}
.topbar p{margin:0;font-size:13.5px;color:#FFD3C0;flex:1;}
.topbar-close{margin-left:auto;font-size:20px;line-height:1;color:#FFD3C0;padding:4px 8px;border-radius:8px;}
.topbar-close:hover{background:rgba(255,122,69,.18);}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:transparent;transition:background-color .24s ease,border-color .24s ease,backdrop-filter .24s ease;border-bottom:1px solid transparent;}
.site-header.is-scrolled{background:rgba(11,9,19,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;}
.nav-side{display:flex;align-items:center;gap:28px;}
.nav-side--end{justify-content:flex-end;}
.nav-link{font-size:15px;color:var(--text-2);position:relative;padding:6px 0;display:inline-flex;align-items:center;gap:8px;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:width .18s ease;border-radius:2px;}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand) 0%,#12B98A 100%);display:flex;align-items:center;justify-content:center;flex:0 0 34px;box-shadow:0 6px 18px rgba(33,230,166,.28);}
.brand-mark svg{width:18px;height:18px;fill:var(--brand-ink);}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.nav-toggle,.nav-bell{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text-2);}
.nav-toggle:hover,.nav-bell:hover{border-color:rgba(33,230,166,.5);color:var(--brand);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media (max-width:991.98px){
  .nav-wrap{height:66px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle,.nav-bell{display:inline-flex;}
  .nav-side{gap:12px;}
  .brand-text{font-size:14px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;}
}
@media (max-width:400px){.brand-text{font-size:12.5px;}}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(4,3,8,.66);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:1040;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;background:var(--panel);border-right:1px solid var(--line);transform:translateX(-102%);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:1050;display:flex;flex-direction:column;padding:22px 0;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px 18px;border-bottom:1px solid var(--line);}
.drawer-head .brand-text{font-size:15px;}
.drawer-close{font-size:22px;color:var(--text-2);width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{background:rgba(255,255,255,.06);color:var(--text);}
.drawer-nav{flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;min-height:52px;padding:0 22px;font-size:15.5px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--text);background:rgba(33,230,166,.06);}
.drawer-foot{padding:18px 22px 0;border-top:1px solid var(--line);}
.drawer-foot p{font-size:12.5px;color:var(--text-3);margin:0 0 6px;}

/* ============ 按钮 ============ */
.btn{border-radius:999px;font-weight:600;font-size:15px;height:48px;padding:0 26px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;line-height:1;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
.btn.btn-primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);}
.btn.btn-primary:hover{background:#3BF0B6;border-color:#3BF0B6;color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 12px 28px rgba(33,230,166,.24);}
.btn.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn.btn-outline{background:transparent;border-color:rgba(33,230,166,.6);color:var(--text);}
.btn.btn-outline:hover{background:rgba(33,230,166,.12);border-color:var(--brand);color:#fff;}
.btn.btn-ghost{background:transparent;color:var(--brand);height:auto;padding:0;font-size:14.5px;}
.btn.btn-ghost .arrow{transition:transform .18s ease;}
.btn.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn.btn-xs{height:34px;padding:0 16px;font-size:13px;}
.btn.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge-live{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;padding:5px 10px;border-radius:8px;}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite;}
.badge-preview{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(33,230,166,.6);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.08em;padding:5px 10px;border-radius:8px;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;background:rgba(255,255,255,.08);color:var(--text-2);font-size:12px;font-weight:600;letter-spacing:.02em;}
.tag--time{background:rgba(255,209,102,.12);color:var(--accent-2);font-family:var(--font-num);}
.tag--brand{background:rgba(33,230,166,.12);color:var(--brand);}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 88px;background-image:linear-gradient(rgba(11,9,19,.82),rgba(11,9,19,.9)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden;}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:22px 22px;opacity:.05;pointer-events:none;}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-cover{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;background:var(--panel);box-shadow:var(--shadow);border:1px solid var(--line);}
.hero-cover img{width:100%;height:100%;object-fit:cover;}
.hero-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(11,9,19,.88));}
.hero-cover .badge-preview{position:absolute;top:16px;left:16px;z-index:3;background:rgba(11,9,19,.7);backdrop-filter:blur(6px);}
.hero-cover-meta{position:absolute;left:18px;right:18px;bottom:16px;z-index:3;display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:#DAD6E8;letter-spacing:.02em;}
.hero-side h1{font-size:clamp(28px,4.6vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.5px;margin:16px 0 14px;}
.hero-sub{font-size:16px;color:var(--text-2);margin-bottom:24px;}
.countdown{display:grid;grid-template-columns:repeat(4,88px);gap:12px;margin-bottom:12px;}
.cd-cell{height:96px;border-radius:14px;background:var(--panel);border:1px solid var(--line);box-shadow:inset 0 0 24px rgba(33,230,166,.07);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;}
.cd-num{font-family:var(--font-num);font-size:40px;font-weight:900;color:var(--accent-2);line-height:1;}
.cd-label{font-size:12px;letter-spacing:.12em;color:var(--text-3);}
.countdown.is-live{grid-template-columns:1fr;background:var(--accent);border-color:transparent;}
.countdown.is-live .cd-cell{display:none;}
.countdown.is-live::before{content:"● 正在直播";color:#fff;font-size:22px;font-weight:800;letter-spacing:.12em;text-align:center;display:block;padding:30px 0;background:var(--accent);border-radius:14px;animation:pulse 2s infinite;}
.cd-note{font-size:13px;color:var(--text-2);letter-spacing:.02em;margin-bottom:24px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px;}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line);}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{font-family:var(--font-num);font-size:20px;font-weight:800;color:var(--text);}
.hero-stats span{font-size:12.5px;color:var(--text-3);letter-spacing:.04em;}
@media (max-width:991.98px){
  .hero{padding:40px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:575.98px){
  .countdown{grid-template-columns:repeat(2,1fr);gap:10px;}
  .cd-cell{height:74px;}
  .cd-num{font-size:30px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:20px;}
}

/* ============ 预告流 ============ */
.preview-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin:0 -4px;}
.preview-track::-webkit-scrollbar{height:6px;}
.preview-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.preview-track::-webkit-scrollbar-track{background:transparent;}
.preview-card{flex:0 0 calc((100% - 60px)/4.2);scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;}
.preview-card:hover{border-color:rgba(33,230,166,.35);box-shadow:var(--shadow-brand);transform:translateY(-2px);}
.preview-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel);}
.preview-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.preview-card:hover .preview-thumb img{transform:scale(1.03);}
.preview-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(11,9,19,.88));}
.preview-thumb .tag--time{position:absolute;top:12px;right:12px;z-index:3;}
.preview-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:12px;flex:1;}
.preview-title{font-size:16px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;}
.preview-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.switch{width:52px;height:28px;border-radius:999px;background:var(--panel);border:1px solid var(--line);position:relative;flex:0 0 52px;transition:background-color .2s ease,border-color .2s ease;}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--text-3);transition:transform .2s ease,background-color .2s ease;}
.switch[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);}
.switch[aria-pressed="true"]::after{transform:translateX(24px);background:#fff;}
.switch-label{font-size:12.5px;color:var(--text-2);}
@media (max-width:991.98px){.preview-card{flex:0 0 calc((100% - 20px)/2.15);}}
@media (max-width:575.98px){.preview-card{flex:0 0 84%;}}

/* ============ 看点列表 ============ */
.points-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.point-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.point-num{flex:0 0 44px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(33,230,166,.45);color:var(--brand);font-family:var(--font-num);font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.point-item h3{font-size:18px;font-weight:700;margin-bottom:4px;}
.point-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7;}
@media (max-width:767.98px){.points-grid{grid-template-columns:1fr;gap:0;}}

/* ============ 订阅面板 ============ */
.subscribe-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:36px 40px;display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center;}
.subscribe-panel h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:8px;}
.subscribe-panel .sub-desc{font-size:14px;color:var(--text-2);margin:0;}
.sub-form{display:flex;gap:12px;}
.form-control{height:48px;border-radius:var(--r-input);background:var(--bg);border:1px solid var(--line);color:var(--text);padding:0 16px;font-size:15px;width:100%;transition:border-color .18s ease,box-shadow .18s ease;}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,230,166,.22);background:var(--bg);color:var(--text);}
.sub-channels{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.sub-channels .btn{border-color:var(--line);color:var(--text-2);}
.sub-channels .btn:hover{border-color:rgba(33,230,166,.5);color:var(--brand);background:rgba(33,230,166,.08);}
@media (max-width:991.98px){.subscribe-panel{grid-template-columns:1fr;gap:24px;padding:28px 24px;}}
@media (max-width:575.98px){.sub-form{flex-direction:column;}}

/* ============ 最新信息（浅色阅读面板） ============ */
.news-panel{background:var(--read-bg);color:var(--read-text);border-radius:var(--r-card);padding:34px 38px;}
.news-panel .section-head h2{color:var(--read-text);}
.news-panel .section-head .head-sub{color:var(--read-2);}
.news-panel .text-link{color:var(--brand-dark);}
.news-panel .text-link:hover{color:#0A7A58;}
.news-item{display:grid;grid-template-columns:200px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid rgba(27,26,34,.1);}
.news-item:last-of-type{border-bottom:0;}
.news-thumb{aspect-ratio:5/3;border-radius:var(--r-img);overflow:hidden;background:#E4E6EF;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--read-text);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover .news-title{color:var(--brand-dark);}
.news-summary{font-size:14px;line-height:1.7;color:var(--read-2);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--read-3);flex-wrap:wrap;}
.news-meta .tag{background:rgba(27,26,34,.07);color:var(--read-2);}
.news-arrow{font-size:18px;color:var(--brand-dark);transition:transform .18s ease;}
.news-item:hover .news-arrow{transform:translateX(4px);}
.news-empty{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;color:var(--read-3);}
.news-empty-icon{width:52px;height:52px;border-radius:50%;border:1px solid rgba(27,26,34,.14);display:flex;align-items:center;justify-content:center;color:var(--brand-dark);}
.pager{display:flex;gap:8px;justify-content:center;padding-top:24px;flex-wrap:wrap;}
.pager-btn{width:36px;height:36px;border-radius:999px;background:rgba(27,26,34,.06);color:var(--read-2);display:inline-flex;align-items:center;justify-content:center;font-size:13.5px;font-weight:600;padding:0 12px;}
.pager-btn:hover{box-shadow:inset 0 0 0 1px var(--brand-dark);color:var(--brand-dark);}
.pager-btn.is-active{background:var(--brand-dark);color:#fff;}
.pager-next{width:auto;}
@media (max-width:991.98px){.news-panel{padding:26px 22px;}}
@media (max-width:767.98px){
  .news-item{grid-template-columns:1fr;gap:12px;padding:18px 0;}
  .news-thumb{aspect-ratio:16/9;}
  .news-arrow{display:none;}
}

/* ============ 回放与入口 ============ */
.entry-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:stretch;}
.replay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.replay-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;}
.replay-card:hover{border-color:rgba(33,230,166,.35);transform:translateY(-2px);box-shadow:var(--shadow-brand);}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel);}
.replay-thumb img{width:100%;height:100%;object-fit:cover;}
.replay-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(11,9,19,.86));}
.replay-duration{position:absolute;right:10px;bottom:10px;z-index:3;background:rgba(8,7,15,.82);color:var(--text);font-family:var(--font-num);font-size:12px;padding:3px 8px;border-radius:8px;}
.replay-card h3{font-size:15px;font-weight:700;padding:14px 16px 18px;line-height:1.55;}
.entry-card{border:1px solid rgba(33,230,166,.45);border-radius:var(--r-panel);padding:30px 26px;background:linear-gradient(180deg,rgba(33,230,166,.07),transparent 62%),var(--card);display:flex;flex-direction:column;gap:16px;}
.entry-card h3{font-size:20px;font-weight:700;}
.entry-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.entry-arrow{font-size:34px;color:var(--brand);line-height:1;font-family:var(--font-num);}
.entry-card .btn{margin-top:auto;align-self:flex-start;}
@media (max-width:991.98px){
  .entry-grid{grid-template-columns:1fr;}
  .replay-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:575.98px){
  .replay-grid{grid-template-columns:1fr;}
  .entry-card .btn{align-self:stretch;}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-header{background:transparent;}
.accordion-button{background:transparent;color:var(--text);font-size:16px;font-weight:700;padding:22px 0;box-shadow:none;border:0;}
.accordion-button:not(.collapsed){background:transparent;color:var(--brand);box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;border-color:transparent;}
.accordion-button::after{content:"+";background-image:none;width:auto;height:auto;font-size:22px;font-weight:400;color:var(--text-3);display:flex;align-items:center;justify-content:center;transform:none;line-height:1;}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--brand);transform:none;}
.accordion-button:hover{color:var(--brand);}
.accordion-body{padding:0 0 24px 20px;border-left:3px solid var(--brand);color:var(--text-2);font-size:15px;line-height:1.8;}
.accordion-collapse{transition:height .2s ease;}

/* ============ 底部 CTA ============ */
.cta-band{margin-top:96px;background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:40px 0;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:6px;}
.cta-inner p{font-size:14px;color:var(--text-2);margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:767.98px){.cta-band{margin-top:56px;}.cta-inner{flex-direction:column;align-items:flex-start;}.cta-actions .btn{width:100%;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);padding:72px 0 0;margin-top:0;}
.footer-grid{padding-bottom:48px;border-bottom:1px solid var(--line);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{font-size:13.5px;color:var(--text-2);margin-bottom:18px;max-width:260px;line-height:1.75;}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:border-color .18s ease,color .18s ease;}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);}
.footer-social svg{width:16px;height:16px;fill:currentColor;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list li{margin-bottom:11px;}
.footer-list a{font-size:13.5px;color:var(--text-2);}
.footer-list a:hover{color:var(--brand);}
.footer-text{font-size:13.5px;color:var(--text-3);line-height:1.8;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;font-size:12.5px;color:var(--text-3);flex-wrap:wrap;}
.footer-bottom p{margin:0;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}
@media (max-width:767.98px){
  .site-footer{padding-top:56px;}
  .footer-grid{padding-bottom:32px;}
}

/* ============ 动效减弱 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#0B0913;
  --bg-deep:#08070F;
  --panel:#14111F;
  --card:#1A1626;
  --line:rgba(255,255,255,.08);
  --brand:#21E6A6;
  --brand-ink:#062B20;
  --brand-deep:#0E9C71;
  --accent:#FF7A45;
  --accent-2:#FFD166;
  --text:#F2F1F7;
  --text-2:#A9A5BD;
  --text-3:#6F6A85;
  --read-bg:#F7F8FC;
  --read-text:#1B1A22;
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"Roboto Mono","DIN Alternate",monospace;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-panel:22px;
  --shadow:0 14px 36px rgba(0,0,0,.45);
  --shadow-brand:0 18px 44px rgba(33,230,166,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.2px}
p{margin:0 0 18px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  --bs-gutter-x:0;
}
@media (min-width:768px){
  .container{max-width:1240px;padding-left:32px;padding-right:32px}
}
.section{padding:96px 0}
@media (max-width:991px){.section{padding:72px 0}}
@media (max-width:575px){.section{padding:56px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,3vw,34px);font-weight:700;position:relative;padding-left:16px;line-height:1.3}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--brand)}
.section-more{font-size:14px;color:var(--text-2)}
.section-more:hover{color:var(--brand)}

/* ==== 按钮 ==== */
.btn{
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 24px;
  height:48px;
  line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
  --bs-btn-focus-box-shadow:none;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.btn-primary:hover,.btn-primary:focus{background:var(--brand);color:var(--brand-ink);filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 28px rgba(33,230,166,.24)}
.btn-outline-brand{background:transparent;color:var(--text);border-color:var(--brand)}
.btn-outline-brand:hover,.btn-outline-brand:focus{background:rgba(33,230,166,.12);color:var(--text);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-2);padding:0 8px;height:40px}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost .arrow{transition:transform .18s ease}
.btn-ghost:hover .arrow{transform:translateX(4px)}
.btn-sm{height:40px;font-size:14px;padding:0 18px}
.btn-xs{height:34px;font-size:13px;padding:0 14px}
.btn-block{width:100%}
@media (max-width:575px){
  .btn-block-mobile{width:100%}
}

/* ==== 顶部导航 ==== */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  height:76px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,9,19,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between;position:relative;gap:12px}
.nav-side{display:flex;align-items:center;gap:20px;flex:1}
.nav-side--end{justify-content:flex-end}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:18px}
.nav-link.is-active{color:var(--text);padding-left:14px}
.nav-link.is-active::before{content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--brand)}
.nav-link.is-active::after{width:18px}
.brand{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(33,230,166,.22),rgba(33,230,166,.04));
  border:1px solid rgba(33,230,166,.35);
  color:var(--brand);
}
.brand-mark svg{width:20px;height:20px;fill:currentColor}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--text);white-space:nowrap}
.nav-toggle,.nav-bell{
  display:none;
  align-items:center;justify-content:center;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:currentColor;content:"";
}
.nav-toggle span{position:relative}
.nav-toggle span::before{position:absolute;top:-6px;left:0}
.nav-toggle span::after{position:absolute;top:6px;left:0}
.nav-cta{margin-left:6px}
@media (max-width:991px){
  .site-header{height:64px}
  .nav-left,.nav-right,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-bell{display:flex}
  .brand{height:32px}
  .brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:8px}
  .brand-mark svg{width:16px;height:16px}
  .brand-text{font-size:15px}
}
@media (max-width:420px){
  .brand-text{font-size:13px}
}

/* ==== 移动抽屉 ==== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,3,8,.6);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;
  background:var(--panel);
  border-right:1px solid var(--line);
  z-index:1060;
  transform:translateX(-102%);
  transition:transform .28s ease;
  display:flex;flex-direction:column;
  padding:20px;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(33,230,166,.4)}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px}
.drawer-link{
  height:52px;display:flex;align-items:center;justify-content:space-between;
  color:var(--text-2);font-size:15px;border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand)}
.drawer-link.is-active::after{content:"当前";font-size:12px;color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot p{margin:14px 0 0;font-size:12px;color:var(--text-3);line-height:1.7}

/* ==== 文章头部 ==== */
.article-head{
  position:relative;
  padding:44px 0 40px;
  background-image:linear-gradient(rgba(11,9,19,.86),rgba(11,9,19,.95)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(26px,4vw,40px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.5px;
  max-width:960px;
}
.article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--text-2);letter-spacing:.02em}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.article-meta a{color:var(--text-2);border-bottom:1px dashed rgba(255,255,255,.2)}
.article-meta a:hover{color:var(--brand)}
.head-rule{margin-top:24px;height:1px;background:var(--line)}

/* ==== 正文布局 ==== */
.article-body{padding:64px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 220px;
  gap:48px;
  justify-content:center;
  align-items:start;
}
.read-panel{
  background:var(--read-bg);
  color:var(--read-text);
  border-radius:18px;
  padding:44px;
  box-shadow:var(--shadow);
}
.read-panel a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
.read-panel a:hover{color:#0A7A59}
.article-content{font-size:16px;line-height:1.85;color:var(--read-text);word-wrap:break-word}
.article-content h2{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  color:#12111A;
  line-height:1.4;
  margin:40px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--brand-deep);
}
.article-content h3{font-size:19px;font-weight:700;color:#12111A;margin:28px 0 12px;line-height:1.45}
.article-content h4{font-size:17px;font-weight:700;color:#12111A;margin:22px 0 10px}
.article-content p{margin:0 0 18px;font-size:16px;line-height:1.85}
.article-content > p:first-of-type{border-left:2px solid var(--brand-deep);padding-left:14px;font-weight:500}
.article-content ul,.article-content ol{padding-left:24px;margin:0 0 18px;line-height:2}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li::marker{color:var(--brand-deep)}
.article-content blockquote{
  margin:24px 0;
  padding:20px;
  background:#EDF0F7;
  border-left:4px solid var(--brand-deep);
  border-radius:0 12px 12px 0;
  color:#3A3846;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:14px;margin:24px auto}
.article-content figure{margin:24px 0}
.article-content figcaption,.article-content .caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;display:block;overflow-x:auto;white-space:nowrap}
.article-content th,.article-content td{border:1px solid #D9DCE6;padding:10px 14px;font-size:15px;text-align:left}
.article-content th{background:#ECEFF6;font-weight:700;color:#12111A}
.article-content hr{border:0;border-top:1px solid #D9DCE6;margin:32px 0}
.article-content code{background:#E8EBF3;border-radius:6px;padding:2px 6px;font-family:var(--font-num);font-size:14px;color:#0A7A59}
.article-content pre{background:#12111A;color:#E6E6F0;padding:18px;border-radius:12px;overflow-x:auto;font-family:var(--font-num);font-size:14px}
.article-content pre code{background:transparent;color:inherit;padding:0}

/* 空态 */
.empty-state{text-align:center;padding:56px 20px;min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.empty-icon{width:64px;height:64px;border-radius:50%;border:1px dashed #C6CBD9;display:flex;align-items:center;justify-content:center;color:#8C93A8}
.empty-icon svg{width:28px;height:28px;fill:currentColor}
.empty-state p{margin:0;color:#4A4A57;font-size:16px}
.empty-state .btn{height:44px}

/* 目录 */
.article-toc{position:sticky;top:104px;font-size:14px}
.toc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  color:var(--text);font-size:14px;font-weight:700;padding:12px 16px;cursor:pointer;
}
.toc-head .sign{color:var(--brand);font-size:16px;line-height:1}
.toc-list{list-style:none;margin:12px 0 0;padding:0 0 0 2px;max-height:64vh;overflow:auto}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;padding:7px 10px;border-left:2px solid var(--line);
  color:var(--text-2);font-size:13.5px;line-height:1.5;border-radius:0 8px 8px 0;
}
.toc-list a:hover{color:var(--text);border-left-color:rgba(33,230,166,.5)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(33,230,166,.08)}
.toc-list .lvl-3 a{padding-left:22px;font-size:13px;color:var(--text-3)}
@media (min-width:1200px){
  .toc-head{cursor:default}
  .toc-head .sign{display:none}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .article-toc{position:static;order:-1}
  .toc-list{display:none;max-height:none}
  .article-toc.is-open .toc-list{display:block}
}
@media (max-width:767px){
  .read-panel{padding:24px;border-radius:16px}
}
@media (max-width:575px){
  .read-panel{padding:20px;border-radius:14px}
  .article-body{padding-top:48px}
  .article-content h2{margin-top:32px}
}

/* ==== 相关内容 ==== */
.related{padding:80px 0 0}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575px){.card-grid{grid-template-columns:minmax(0,1fr)}}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.card:hover{border-color:rgba(33,230,166,.35);box-shadow:var(--shadow-brand);transform:translateY(-2px)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(11,9,19,.88))}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:16px;font-weight:700;line-height:1.5}
.card-title a:hover{color:var(--brand)}
.card-text{font-size:14px;color:var(--text-2);line-height:1.7;margin:0}
.card-meta{font-size:13px;color:var(--text-3);margin-top:auto}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  background:rgba(255,255,255,.08);color:var(--text-2);
  font-size:12px;font-weight:600;letter-spacing:.08em;
}
.tag-brand{border:1px solid var(--brand);color:var(--brand);background:transparent}
.related-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}
@media (max-width:575px){.related-actions .btn{width:100%}}

/* ==== 订阅 CTA ==== */
.subscribe-band{margin-top:96px;background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
.subscribe-inner{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:36px;display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;
}
.subscribe-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;margin-bottom:8px}
.subscribe-inner p{margin:0;color:var(--text-2);font-size:15px}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.form-control{
  flex:1;min-width:200px;height:48px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--text);padding:0 16px;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,230,166,.25);outline:none;background:var(--bg);color:var(--text)}
.channel-row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
@media (max-width:991px){
  .subscribe-inner{grid-template-columns:minmax(0,1fr);padding:28px}
}
@media (max-width:575px){
  .subscribe-inner{padding:22px}
  .subscribe-form .btn{width:100%}
}

/* ==== 页脚 ==== */
.site-footer{background:var(--bg-deep);margin-top:96px;padding:56px 0 0;border-top:1px solid var(--line)}
.footer-grid{padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);margin:0}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand)}
.footer-social svg{width:18px;height:18px;fill:currentColor}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list{list-style:none}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:var(--text-2)}
.footer-list a:hover{color:var(--brand)}
.footer-text{font-size:13px;color:var(--text-3);line-height:1.8;margin:14px 0 0}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#0B0913;
  --bg-deep:#08070F;
  --panel:#14111F;
  --card:#1A1626;
  --line:rgba(255,255,255,.08);
  --brand:#21E6A6;
  --brand-ink:#062B20;
  --accent:#FF7A45;
  --accent-2:#FFD166;
  --text:#F2F1F7;
  --text-2:#A9A5BD;
  --text-3:#6F6A85;
  --read-bg:#F7F8FC;
  --read-text:#1B1A22;
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"Roboto Mono","DIN Alternate",monospace;
  --r-card:18px;
  --r-panel:22px;
  --r-img:14px;
  --r-input:12px;
  --shadow:0 14px 36px rgba(0,0,0,.45);
}

*,*::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:var(--font);
  font-size:16px;
  line-height:1.78;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media(min-width:992px){.container{max-width:960px;}}
@media(min-width:1200px){.container{max-width:1240px;}}
@media(min-width:1400px){.container{max-width:1240px;}}

/* ---------- 通用板块 ---------- */
.section{padding-top:96px;}
@media(max-width:991px){.section{padding-top:72px;}}
@media(max-width:575px){.section{padding-top:56px;}}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-title{font-size:clamp(22px,3vw,34px);font-weight:700;}
.section-title::before{
  content:"";
  display:inline-block;
  width:3px;
  height:.82em;
  background:var(--brand);
  border-radius:2px;
  margin-right:12px;
  vertical-align:-2px;
}
.section-sub{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease,gap .18s ease;
}
.btn-primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);}
.btn-primary:hover{background:#3BEDB5;color:var(--brand-ink);border-color:#3BEDB5;transform:translateY(-1px);box-shadow:0 12px 28px rgba(33,230,166,.24);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(33,230,166,.12);color:var(--text);border-color:var(--brand);}
.btn-text{background:transparent;border:0;color:var(--brand);padding:0;height:auto;font-weight:600;gap:6px;}
.btn-text:hover{color:#3BEDB5;gap:12px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  height:76px;
  display:flex;
  align-items:center;
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(11,9,19,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
  min-height:76px;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:20px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px;}
.brand{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  display:flex;
  align-items:center;
  gap:10px;
}
.brand-mark{
  width:34px;
  height:34px;
  flex:0 0 34px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,#21E6A6,#0E9C71);
}
.brand-mark svg{width:20px;height:20px;fill:var(--brand-ink);}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;color:var(--text);}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::before{
  content:"";
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
  margin-right:7px;
  vertical-align:2px;
}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle,.nav-bell{
  display:none;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-2);
  align-items:center;
  justify-content:center;
  transition:color .18s ease,border-color .18s ease;
}
.nav-toggle:hover,.nav-bell:hover{color:var(--brand);border-color:rgba(33,230,166,.4);}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:currentColor;
  border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

@media(max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle,.nav-bell{display:inline-flex;}
  .site-header,.nav-wrap{height:64px;min-height:64px;}
  .brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:9px;}
  .brand-mark svg{width:17px;height:17px;}
  .brand-text{font-size:14px;}
  .nav-side--end{order:3;}
}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{position:fixed;inset:0;z-index:1200;pointer-events:none;}
.nav-drawer__mask{
  position:absolute;inset:0;
  background:rgba(6,5,12,.62);
  opacity:0;
  transition:opacity .24s ease;
}
.nav-drawer__panel{
  position:absolute;
  top:0;left:0;bottom:0;
  width:300px;
  max-width:86vw;
  background:var(--panel);
  border-right:1px solid var(--line);
  transform:translateX(-100%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.nav-drawer.is-open{pointer-events:auto;}
.nav-drawer.is-open .nav-drawer__mask{opacity:1;}
.nav-drawer.is-open .nav-drawer__panel{transform:translateX(0);}
.drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px;}
.drawer-close{
  margin-left:auto;
  width:34px;height:34px;
  border-radius:10px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:18px;
  line-height:1;
  display:grid;
  place-items:center;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(33,230,166,.4);}
.drawer-nav{display:flex;flex-direction:column;flex:1;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:52px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.is-active{color:var(--text);font-weight:700;}
.drawer-nav a.is-active::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
  margin-right:8px;
}
.drawer-cta{width:100%;margin-top:24px;}
.drawer-foot{margin-top:18px;font-size:12.5px;color:var(--text-3);line-height:1.9;}

/* ---------- 分类页首屏 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 48px;
  overflow:hidden;
  isolation:isolate;
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.45;
  z-index:-2;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,9,19,.7) 0%,rgba(11,9,19,.92) 62%,var(--bg) 100%);
  z-index:-1;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.page-hero__title{
  font-size:clamp(28px,4.4vw,44px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  margin-bottom:14px;
}
.page-hero__sub{font-size:17px;color:var(--text-2);max-width:560px;}

.filter-bar{
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(20,17,31,.72);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 10px 8px 20px;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  width:fit-content;
  max-width:100%;
}
.filter-label{font-size:13px;color:var(--text-3);white-space:nowrap;}
.filter-pills{display:flex;gap:6px;}
.pill{
  height:36px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.pill:hover{color:var(--text);background:rgba(255,255,255,.06);}
.pill.is-active{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);}
@media(max-width:575px){
  .filter-bar{flex-wrap:wrap;border-radius:18px;padding:12px 14px;width:100%;gap:10px;}
  .filter-pills{width:100%;}
  .pill{flex:1;padding:0 12px;}
}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:8px;}
.timeline-group{
  position:relative;
  padding-left:30px;
  border-left:1px solid var(--line);
  padding-bottom:28px;
  margin-left:6px;
}
.timeline-group:last-child{padding-bottom:0;border-left-color:transparent;}
.timeline-date{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  padding:6px 0 14px;
}
.timeline-date .dot{
  position:absolute;
  left:-35px;
  top:14px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--accent-2);
  box-shadow:0 0 0 4px rgba(255,209,102,.14);
}
.timeline-date__title{font-size:19px;font-weight:700;}
.timeline-date__count{
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--accent-2);
  background:rgba(255,209,102,.1);
  border-radius:8px;
  padding:3px 10px;
}
.timeline-rows{border-bottom:1px solid var(--line);}

.session-row{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 0;
  min-height:96px;
  border-top:1px solid var(--line);
  transition:background .2s ease;
}
.session-row:hover{background:rgba(26,22,38,.55);}
.session-time{
  font-family:var(--font-num);
  font-size:22px;
  font-weight:800;
  color:var(--accent-2);
  width:88px;
  flex:0 0 88px;
  letter-spacing:.02em;
  line-height:1.2;
}
.session-cover{
  position:relative;
  width:140px;
  flex:0 0 140px;
  aspect-ratio:16/9;
  border-radius:12px;
  overflow:hidden;
  background:var(--panel);
}
.session-cover img{width:100%;height:100%;object-fit:cover;}
.session-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(11,9,19,.88));
}
.badge-soon,
.badge-live{
  position:absolute;
  top:8px;
  left:8px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:5px;
  height:22px;
  padding:0 9px;
  border-radius:8px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
}
.badge-soon{
  color:var(--brand);
  border:1px solid rgba(33,230,166,.55);
  background:rgba(11,9,19,.6);
}
.badge-live{
  color:#fff;
  background:var(--accent);
  border:1px solid var(--accent);
}
.badge-live::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:#fff;
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}

.session-body{flex:1;min-width:0;}
.session-title{font-size:17px;font-weight:700;margin-bottom:6px;}
.session-desc{font-size:14px;color:var(--text-2);line-height:1.7;}
.session-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:8px;
  background:rgba(255,255,255,.08);
  color:var(--text-2);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.meta-text{font-size:13px;color:var(--text-3);letter-spacing:.02em;}

.session-action{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.switch-label{font-size:13px;color:var(--text-3);white-space:nowrap;}
.switch{
  position:relative;
  width:52px;
  height:28px;
  flex:0 0 auto;
  padding:0;
  border-radius:999px;
  background:var(--panel);
  border:1px solid var(--line);
  transition:background .2s ease,border-color .2s ease;
}
.switch__dot{
  position:absolute;
  top:3px;
  left:3px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--text-3);
  transition:transform .2s ease,background .2s ease;
}
.switch.is-on{background:var(--accent);border-color:var(--accent);}
.switch.is-on .switch__dot{transform:translateX(24px);background:#fff;}

@media(max-width:767px){
  .timeline-group{padding-left:20px;}
  .timeline-date .dot{left:-25px;top:13px;}
  .session-row{flex-wrap:wrap;gap:12px;padding:18px 0;}
  .session-time{width:62px;flex:0 0 62px;font-size:18px;}
  .session-cover{width:104px;flex:0 0 104px;}
  .session-action{order:2;margin-left:auto;}
  .session-body{order:3;flex:1 1 100%;}
  .session-title{font-size:16px;}
}

/* ---------- 步骤流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step{
  position:relative;
  padding:24px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color .24s ease,transform .24s ease;
}
.step:hover{border-color:rgba(33,230,166,.35);transform:translateY(-2px);}
.step__num{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand);
}
.step__title{font-size:18px;font-weight:700;margin:10px 0 8px;}
.step__text{font-size:14px;color:var(--text-2);line-height:1.75;}
@media(max-width:991px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.steps{grid-template-columns:1fr;}}

/* ---------- 信息卡片 ---------- */
.info-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.info-card:hover{
  border-color:rgba(33,230,166,.35);
  box-shadow:0 18px 44px rgba(33,230,166,.16);
  transform:translateY(-2px);
}
.info-card__cover{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--panel);
}
.info-card__cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .24s ease;
}
.info-card:hover .info-card__cover img{transform:scale(1.03);}
.info-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.info-card__title{font-size:18px;font-weight:700;}
.info-card__text{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  text-align:left;
  transition:color .18s ease;
}
.faq-btn:hover{color:var(--brand);}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 14px;}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--text-2);
  border-radius:2px;
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before{left:0;top:6px;width:14px;height:2px;}
.faq-icon::after{left:6px;top:0;width:2px;height:14px;}
.faq-btn[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);}
.faq-btn[aria-expanded="true"] .faq-icon::before{background:var(--brand);}
.faq-body{
  border-left:3px solid var(--brand);
  padding:0 0 22px 20px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.faq-body p + p{margin-top:12px;}

/* ---------- 订阅 / CTA ---------- */
.cta-bar{
  background:var(--bg-deep);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-bar__title{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:8px;}
.cta-bar__text{font-size:15px;color:var(--text-2);}
.cta-bar__form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.form-control{
  height:48px;
  min-width:280px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text);
  padding:0 16px;
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  background:var(--panel);
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(33,230,166,.35);
  color:var(--text);
  outline:none;
}
.cta-note{width:100%;font-size:13px;color:var(--text-3);}
@media(max-width:767px){
  .cta-bar{padding:28px 22px;border-radius:18px;}
  .cta-bar__form{width:100%;}
  .form-control{min-width:0;width:100%;}
  .cta-bar__form .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--bg-deep);
  padding-top:56px;
}
@media(max-width:767px){.site-footer{margin-top:64px;padding-top:44px;}}
.footer-grid{padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  color:var(--text-2);
  transition:border-color .18s ease,color .18s ease;
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);}
.footer-social svg{width:18px;height:18px;fill:currentColor;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:var(--text-2);font-size:14px;}
.footer-list a:hover{color:var(--brand);}
.footer-text{color:var(--text-3);font-size:13px;line-height:1.9;margin-top:10px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:12.5px;
}
.footer-bottom p{margin:0;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg:#0B0913;
  --bg-deep:#08070F;
  --panel:#14111F;
  --card:#1A1626;
  --line:rgba(255,255,255,.08);
  --brand:#21E6A6;
  --brand-ink:#062B20;
  --brand-deep:#0E9C71;
  --accent:#FF7A45;
  --accent-2:#FFD166;
  --text:#F2F1F7;
  --text-2:#A9A5BD;
  --text-3:#6F6A85;
  --read-bg:#F7F8FC;
  --read-text:#1B1A22;
  --radius-card:18px;
  --radius-panel:22px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow:0 14px 36px rgba(0,0,0,.45);
  --shadow-brand:0 18px 44px rgba(33,230,166,.16);
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"Roboto Mono","DIN Alternate",monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  box-shadow:0 0 0 3px rgba(33,230,166,.35);
  border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px}
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:all .18s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-xs{height:34px;padding:0 16px;font-size:13px}
.btn-primary{
  background:var(--brand);
  color:var(--brand-ink);
  box-shadow:0 8px 20px rgba(33,230,166,.18);
}
.btn-primary:hover{
  background:#3eeab4;
  color:var(--brand-ink);
  transform:translateY(-1px);
  box-shadow:0 12px 28px rgba(33,230,166,.24);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(33,230,166,.2)}
.btn-outline{
  background:transparent;
  border-color:var(--brand);
  color:var(--text);
}
.btn-outline:hover{background:rgba(33,230,166,.12);color:var(--text);border-color:var(--brand)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  border:0;
  color:var(--text-2);
  height:auto;
  padding:0;
  font-weight:700;
}
.btn-ghost svg{transition:transform .18s ease}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover svg{transform:translateX(4px)}

/* ---------- 徽章与标签 ---------- */
.badge-tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:8px;
  background:rgba(255,255,255,.08);
  color:var(--text-2);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
}
.badge-outline{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:8px;
  border:1px solid var(--brand);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
}
.badge-live{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:8px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.badge-live::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:#fff;
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.35;transform:scale(.8)}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  height:76px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease,backdrop-filter .24s ease;
}
.site-header.is-scrolled{
  background:rgba(11,9,19,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  position:relative;
}
.nav-side{display:flex;align-items:center;gap:6px;flex:1 1 0}
.nav-side--start{justify-content:flex-start}
.nav-side--end{justify-content:flex-end}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;width:18px;
  background:var(--brand);
  opacity:0;
  transform:translateX(-6px);
  transition:all .18s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{opacity:1;transform:translateX(0)}
.nav-link.active{color:var(--text)}
.nav-link.active::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
  margin-right:8px;
}
.brand{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:linear-gradient(135deg,rgba(33,230,166,.22),rgba(33,230,166,.06));
  border:1px solid rgba(33,230,166,.4);
  color:var(--brand);
}
.brand-mark svg{width:18px;height:18px;fill:currentColor}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.2px;
  color:var(--text);
  white-space:nowrap;
}
.nav-cta{margin-left:8px}
.nav-toggle,.nav-bell{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
}
.nav-toggle span{
  display:block;width:16px;height:2px;
  background:currentColor;border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-bell:hover,.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

@media (max-width:991px){
  .nav-left,.nav-right{display:none}
  .nav-toggle,.nav-bell{display:inline-flex}
  .nav-side--start{flex:0 0 auto}
  .nav-side--end{flex:0 0 auto;justify-content:flex-end}
  .nav-side--end .nav-cta{display:none}
  .brand{height:32px}
  .brand-text{font-size:15px}
  .brand-mark{width:28px;height:28px}
}

/* ---------- 抽屉 ---------- */
.nav-drawer{
  position:fixed;
  top:0;left:0;
  width:300px;max-width:84vw;
  height:100%;
  background:var(--panel);
  border-right:1px solid var(--line);
  z-index:1050;
  transform:translateX(-100%);
  transition:transform .26s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-close{
  width:34px;height:34px;
  border-radius:9px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:20px;line-height:1;
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;
  height:52px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--text-2);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand)}
.drawer-cta{margin-top:24px;width:100%}
.drawer-note{margin-top:16px;font-size:13px;color:var(--text-3)}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(4,3,8,.6);
  backdrop-filter:blur(2px);
  z-index:1040;
  opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,19,.9),rgba(11,9,19,.78) 55%,var(--bg) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.05;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:16px;
}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:var(--text-3)}
.breadcrumb-line .current{color:var(--text-3)}

.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(28px,4.2vw,48px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.5px;
  margin:16px 0 16px;
}
.hero-sub{
  font-size:16px;
  color:var(--text-2);
  margin-bottom:22px;
}
.hero-copy p.lead-text{
  font-size:15px;
  color:var(--text-2);
  max-width:540px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:28px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-stat{display:flex;flex-direction:column;gap:4px}
.hero-stat strong{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.01em;
}
.hero-stat span{font-size:13px;color:var(--text-3);letter-spacing:.02em}

.hero-media{
  position:relative;
  border-radius:var(--radius-panel);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
  background:var(--panel);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .media-caption{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;
  color:var(--text-2);
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(11,9,19,.88));
}

@media (max-width:991px){
  .page-hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%}
  .hero-stats{gap:18px}
}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
@media (max-width:991px){.section{padding:72px 0}.section--tight{padding:56px 0}}
@media (max-width:575px){.section{padding:56px 0}.section--tight{padding:44px 0}}

.section-head{margin-bottom:40px;max-width:760px}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,3vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:3px;
  border-radius:2px;
  background:var(--brand);
}
.section-head p{margin-top:14px;font-size:15px;color:var(--text-2)}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  max-width:none;
}

/* ---------- 步骤编号列表 ---------- */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
}
.step-item{
  display:flex;
  gap:20px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.step-num{
  flex:0 0 44px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(33,230,166,.5);
  color:var(--brand);
  font-family:var(--font-num);
  font-size:16px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step-body h3{font-size:18px;font-weight:700;margin-bottom:8px;line-height:1.5}
.step-body p{font-size:14px;color:var(--text-2)}
@media (max-width:767px){
  .steps-grid{grid-template-columns:1fr;gap:0}
}

/* ---------- 图文交错 ---------- */
.zigzag{display:flex;flex-direction:column;gap:56px}
.zz-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:48px;
  align-items:center;
}
.zz-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  aspect-ratio:16/9;
  box-shadow:var(--shadow);
}
.zz-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.zz-row:hover .zz-media img{transform:scale(1.03)}
.zz-copy h3{
  font-size:clamp(18px,2.2vw,22px);
  font-weight:700;
  margin:14px 0 12px;
  line-height:1.4;
}
.zz-copy p{font-size:15px;color:var(--text-2);margin-bottom:16px}
.zz-row--reverse .zz-media{order:2}
@media (max-width:991px){
  .zz-row{grid-template-columns:1fr;gap:24px}
  .zz-row--reverse .zz-media{order:0}
}

/* ---------- 平台说明卡 ---------- */
.platform-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.platform-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  display:flex;
  gap:18px;
  align-items:flex-start;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.platform-card:hover{
  border-color:rgba(33,230,166,.35);
  box-shadow:0 0 0 1px rgba(33,230,166,.35),var(--shadow-brand);
  transform:translateY(-2px);
}
.platform-icon{
  flex:0 0 44px;
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(33,230,166,.1);
  border:1px solid rgba(33,230,166,.28);
  color:var(--brand);
}
.platform-icon svg{width:20px;height:20px;fill:currentColor}
.platform-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.platform-card p{font-size:14px;color:var(--text-2)}
@media (max-width:767px){
  .platform-grid{grid-template-columns:1fr}
}

/* ---------- FAQ ---------- */
.accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  padding:22px 0;
  box-shadow:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.accordion-button::after{display:none}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px}
.accordion-button .faq-icon{
  flex:0 0 24px;
  width:24px;height:24px;
  position:relative;
  border-radius:50%;
  border:1px solid var(--line);
  transition:border-color .18s ease;
}
.accordion-button .faq-icon::before,
.accordion-button .faq-icon::after{
  content:"";position:absolute;background:var(--text-2);
  top:50%;left:50%;transform:translate(-50%,-50%);
  transition:transform .2s ease,background-color .2s ease;
}
.accordion-button .faq-icon::before{width:10px;height:1.5px}
.accordion-button .faq-icon::after{width:1.5px;height:10px}
.accordion-button:not(.collapsed) .faq-icon{border-color:var(--brand)}
.accordion-button:not(.collapsed) .faq-icon::before,
.accordion-button:not(.collapsed) .faq-icon::after{background:var(--brand)}
.accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.accordion-body{
  padding:0 0 24px 20px;
  border-left:3px solid var(--brand);
  margin-left:2px;
  font-size:15px;
  color:var(--text-2);
  transition:all .2s ease;
}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  background:var(--bg-deep);
  border:1px solid rgba(33,230,166,.28);
  border-radius:var(--radius-panel);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-band{padding-bottom:64px}
  .cta-inner{padding:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:8px}
.footer-brand .brand-text{font-size:15px}
.footer-desc{font-size:14px;color:var(--text-2);margin-bottom:18px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
}
.footer-social a svg{width:17px;height:17px;fill:currentColor}
.footer-social a:hover{border-color:var(--brand);color:var(--brand)}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:var(--text-2)}
.footer-list a:hover{color:var(--brand)}
.footer-text{font-size:13px;color:var(--text-3);line-height:1.9;margin-top:12px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 订阅开关 ---------- */
.switch{
  width:52px;height:28px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel);
  position:relative;
  display:inline-block;
  flex:0 0 52px;
  transition:background-color .2s ease,border-color .2s ease;
}
.switch::after{
  content:"";
  position:absolute;
  top:3px;left:3px;
  width:20px;height:20px;
  border-radius:50%;
  background:var(--text-3);
  transition:transform .2s ease,background-color .2s ease;
}
.switch[aria-pressed="true"]{background:var(--accent);border-color:var(--accent)}
.switch[aria-pressed="true"]::after{transform:translateX(24px);background:#fff}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* roulang page: category3 */
:root{
  --bg:#0B0913;--bg-deep:#08070F;--panel:#14111F;--card:#1A1626;
  --line:rgba(255,255,255,.08);
  --brand:#21E6A6;--brand-ink:#062B20;--accent:#FF7A45;--accent-2:#FFD166;
  --text:#F2F1F7;--text-2:#A9A5BD;--text-3:#6F6A85;
  --read-bg:#F7F8FC;--read-text:#1B1A22;
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"Roboto Mono","DIN Alternate",monospace;
  --r-card:18px;--r-img:14px;--r-input:12px;--r-panel:22px;
  --shadow:0 14px 36px rgba(0,0,0,.45);
  --sec:96px;
}
*,*::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:var(--font);font-size:16px;line-height:1.78;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
body .container{max-width:1240px;padding-left:20px;padding-right:32px;}
@media (min-width:768px){body .container{padding-left:32px;}}
@media (max-width:767px){body .container{padding-left:20px;padding-right:20px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;height:76px;display:flex;align-items:center;border-bottom:1px solid transparent;transition:background .24s ease,border-color .24s ease,backdrop-filter .24s ease;}
.site-header.is-scrolled{background:rgba(11,9,19,.86);backdrop-filter:blur(14px);border-bottom-color:var(--line);}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;height:76px;width:100%;}
.brand{position:absolute;left:50%;transform:translateX(-50%);display:inline-flex;align-items:center;gap:10px;}
.brand-mark{width:36px;height:36px;display:grid;place-items:center;color:var(--brand);background:rgba(33,230,166,.1);border:1px solid rgba(33,230,166,.35);border-radius:10px;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;fill:currentColor;}
.brand-text{font-weight:800;font-size:17px;letter-spacing:-.2px;white-space:nowrap;color:var(--text);}
.brand:hover .brand-text{color:var(--text);}
.nav-side{display:flex;align-items:center;gap:18px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .2s ease;}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::before{content:"";position:absolute;left:-12px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--brand);}
.nav-toggle,.nav-bell{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--panel);align-items:center;justify-content:center;color:var(--text-2);}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;}
.nav-bell:hover,.nav-toggle:hover{color:var(--brand);border-color:rgba(33,230,166,.4);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;transition:all .18s ease;line-height:1;}
.btn.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn.btn-primary,.btn.btn-primary:focus{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);box-shadow:none;}
.btn.btn-primary:hover{background:#3aecb5;border-color:#3aecb5;color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 12px 28px rgba(33,230,166,.24);}
.btn.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn.btn-outline-brand,.btn.btn-outline-brand:focus{background:transparent;border-color:var(--brand);color:var(--text);}
.btn.btn-outline-brand:hover{background:rgba(33,230,166,.12);color:var(--text);border-color:var(--brand);}
.btn.btn-ghost{padding:0;height:auto;color:var(--brand);font-weight:700;background:none;border:0;}
.btn.btn-ghost .arw{transition:transform .18s ease;}
.btn.btn-ghost:hover .arw{transform:translateX(4px);}

/* ---------- page head ---------- */
.page-head{position:relative;padding:64px 0 40px;background-image:linear-gradient(rgba(11,9,19,.9),rgba(11,9,19,.97)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--line);}
.page-head::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);background-size:22px 22px;opacity:.05;pointer-events:none;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;position:relative;z-index:1;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--text-3);}
.page-head h1{position:relative;z-index:1;font-size:clamp(28px,4.4vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.5px;}
.page-head h1 .hl{color:var(--brand);}
.page-sub{position:relative;z-index:1;margin-top:14px;color:var(--text-2);font-size:16px;max-width:720px;}
.head-bar{position:relative;z-index:1;margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;}
.sort-chips{display:flex;gap:8px;}
.chip{height:36px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--panel);color:var(--text-2);font-size:14px;transition:all .18s ease;}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:700;}
.head-count{font-size:13px;color:var(--text-3);}
.head-count b{font-family:var(--font-num);color:var(--accent-2);font-size:15px;}

/* ---------- section base ---------- */
.section{padding-top:var(--sec);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.sec-title{position:relative;padding-left:14px;font-size:clamp(22px,3vw,34px);font-weight:700;line-height:1.3;}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:24px;border-radius:2px;background:var(--brand);}
.sec-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:760px;}

/* ---------- hot brief ---------- */
.brief{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:8px 26px;}
.brief-item{display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);}
.brief-item:last-child{border-bottom:0;}
.brief-no{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--brand);width:34px;flex:0 0 auto;}
.brief-title{flex:1 1 auto;font-size:17px;font-weight:700;line-height:1.5;}
.brief-time{font-family:var(--font-num);font-size:13px;color:var(--accent-2);flex:0 0 auto;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;background:rgba(255,255,255,.08);color:var(--text-2);font-size:12px;font-weight:600;letter-spacing:.04em;}
.tag--brand{background:rgba(33,230,166,.14);color:var(--brand);}
.tag--accent{background:rgba(255,122,69,.16);color:#FFA98A;}

/* ---------- news grid ---------- */
.news-card{height:100%;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .24s ease,border-color .24s ease,transform .24s ease;}
.news-card:hover{border-color:rgba(33,230,166,.35);box-shadow:0 18px 44px rgba(33,230,166,.16);transform:translateY(-2px);}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--panel);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(11,9,19,.88));}
.news-badge{position:absolute;left:12px;top:12px;z-index:2;}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-title{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand);}
.news-ex{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);font-family:var(--font-num);}
.news-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---------- ranking ---------- */
.rank-list{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:10px 26px;}
.rank-item{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);}
.rank-item:last-child{border-bottom:0;}
.rank-no{font-family:var(--font-num);font-size:16px;font-weight:800;color:var(--text-3);width:32px;flex:0 0 auto;}
.rank-item:nth-child(-n+3) .rank-no{color:var(--accent-2);}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-title{font-size:16px;font-weight:700;line-height:1.5;}
.rank-bar{margin-top:10px;height:4px;border-radius:2px;background:rgba(255,255,255,.07);overflow:hidden;}
.rank-bar span{display:block;height:100%;border-radius:2px;background:linear-gradient(90deg,var(--brand),rgba(33,230,166,.25));}
.rank-meta{flex:0 0 auto;font-size:13px;color:var(--text-3);font-family:var(--font-num);}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:40px;}
.pager a,.pager span{min-width:36px;height:36px;padding:0 12px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--line);color:var(--text-2);font-size:14px;font-family:var(--font-num);}
.pager a:hover{border-color:var(--brand);color:var(--brand);}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:700;}

/* ---------- faq ---------- */
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0!important;}
.accordion-button{background:transparent!important;color:var(--text);font-size:16px;font-weight:700;padding:22px 0;box-shadow:none!important;}
.accordion-button:hover{color:var(--brand);}
.accordion-button:not(.collapsed){color:var(--brand);}
.accordion-button::after{background-image:none!important;content:"+";width:auto;height:auto;color:var(--brand);font-size:22px;font-weight:700;line-height:1;display:flex;align-items:center;transform:none!important;transition:transform .2s ease;}
.accordion-button:not(.collapsed)::after{content:"−";}
.accordion-body{padding:0 0 24px 20px;border-left:3px solid var(--brand);color:var(--text-2);font-size:15px;line-height:1.82;}

/* ---------- cta strip ---------- */
.cta-strip{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:40px 0;}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.35;}
.cta-inner p{margin-top:8px;color:var(--text-2);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--sec);background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{padding-bottom:44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.7;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-3);}
.footer-social a svg{width:17px;height:17px;fill:currentColor;}
.footer-social a:hover{color:var(--brand);border-color:rgba(33,230,166,.5);}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:var(--text-2);}
.footer-list a:hover{color:var(--brand);}
.footer-text{margin-top:12px;font-size:13px;color:var(--text-3);line-height:1.7;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- drawer ---------- */
.nav-drawer{position:fixed;top:0;left:0;bottom:0;width:300px;background:var(--panel);border-right:1px solid var(--line);z-index:1060;transform:translateX(-102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head .brand-text{font-size:15px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:20px;line-height:1;color:var(--text-2);}
.drawer-close:hover{color:var(--brand);border-color:rgba(33,230,166,.4);}
.drawer-nav{margin-top:8px;flex:1 1 auto;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;height:52px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);}
.drawer-nav a.is-active{color:var(--brand);}
.drawer-foot{padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}
.drawer-foot .btn{width:100%;margin-bottom:12px;}
.drawer-mask{position:fixed;inset:0;background:rgba(5,4,10,.66);z-index:1055;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sec:80px;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle,.nav-bell{display:inline-flex;}
  .nav-side{gap:10px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:32px;height:32px;}
  .page-head{padding:44px 0 32px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .btn{width:100%;}
  .btn.btn-sm{width:100%;}
  .cta-actions{width:100%;}
  .head-bar{align-items:stretch;}
  .sort-chips{width:100%;}
  .chip{flex:1 1 0;}
  .brief{padding:4px 18px;}
  .brief-item{flex-wrap:wrap;gap:10px;}
  .brief-title{flex:1 1 100%;order:3;font-size:16px;}
  .rank-list{padding:6px 18px;}
  .rank-item{gap:12px;}
  .rank-meta{display:none;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category4 */
:root{
  --bg:#0B0913;
  --bg-deep:#08070F;
  --panel:#14111F;
  --card:#1A1626;
  --line:rgba(255,255,255,.08);
  --brand:#21E6A6;
  --brand-ink:#062B20;
  --accent:#FF7A45;
  --accent-2:#FFD166;
  --text:#F2F1F7;
  --text-2:#A9A5BD;
  --text-3:#6F6A85;
  --read-bg:#F7F8FC;
  --read-text:#1B1A22;
  --font:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,"Roboto Mono","DIN Alternate",monospace;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-panel:22px;
  --shadow:0 14px 36px rgba(0,0,0,.45);
  --shadow-brand:0 18px 44px rgba(33,230,166,.16);
}

*,*::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:var(--font);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(33,230,166,.32);color:#fff;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px;}
}

.section{padding:96px 0;}
.section--tight{padding:72px 0;}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
}
@media (max-width:575.98px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
}

.section-head{margin-bottom:36px;}
.section-head__row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.section-title{
  font-size:clamp(22px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  padding-left:14px;
  position:relative;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--brand);
}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15px;max-width:680px;}
.text-link{
  color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.text-link svg{transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;background:transparent;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:3px;
  box-shadow:0 0 0 3px rgba(33,230,166,.35);
}
.btn-primary{
  background:var(--brand);color:var(--brand-ink);border-color:var(--brand);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 12px 28px rgba(33,230,166,.24);
  color:var(--brand-ink);
}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  border-color:var(--brand);color:var(--text);background:transparent;
}
.btn-outline:hover{background:rgba(33,230,166,.12);color:var(--text);border-color:var(--brand);}
.btn-ghost{
  padding:0;height:auto;color:var(--brand);font-weight:700;
}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost svg{transition:transform .18s ease;}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-xs{height:34px;padding:0 16px;font-size:13px;}
.btn-block{width:100%;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  height:76px;display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,backdrop-filter .22s ease;
}
.site-header.is-scrolled{
  background:rgba(11,9,19,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
}
.nav-side{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0;}
.nav-side--end{justify-content:flex-end;}
.nav-left,.nav-right{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  font-weight:500;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .18s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:18px;}
.nav-link.active{color:var(--text);font-weight:700;}
.nav-link.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.nav-cta{margin-left:10px;}
.brand{
  position:absolute;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;height:40px;
  z-index:2;
}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,rgba(33,230,166,.9),rgba(33,230,166,.35));
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;fill:var(--brand-ink);}
.brand-text{
  font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.3px;white-space:nowrap;
}
.nav-toggle,.nav-bell{
  display:none;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:12px;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  color:var(--text-2);
  transition:border-color .18s ease,color .18s ease;
}
.nav-bell:hover,.nav-toggle:hover{color:var(--brand);border-color:rgba(33,230,166,.4);}
.nav-toggle span{
  display:block;width:16px;height:2px;background:currentColor;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

@media (max-width:991.98px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-bell{display:inline-flex;}
  .brand{height:32px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;}
  .brand-text{font-size:14px;}
  .site-header{height:64px;}
}

/* 抽屉 */
.nav-scrim{
  position:fixed;inset:0;background:rgba(5,4,10,.66);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:1040;
}
.nav-scrim.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;
  background:var(--panel);
  border-right:1px solid var(--line);
  transform:translateX(-102%);
  transition:transform .26s cubic-bezier(.4,0,.2,1);
  z-index:1050;
  padding:22px 20px 28px;
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer__head{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;
}
.nav-drawer__close{
  background:transparent;border:1px solid var(--line);border-radius:10px;
  width:36px;height:36px;color:var(--text-2);font-size:20px;line-height:1;
}
.nav-drawer__close:hover{color:var(--brand);border-color:rgba(33,230,166,.4);}
.nav-drawer a.nav-item{
  display:flex;align-items:center;height:52px;padding:0 6px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:16px;
}
.nav-drawer a.nav-item:hover,.nav-drawer a.nav-item.active{color:var(--brand);}
.nav-drawer .btn{margin-top:18px;}
.nav-drawer__meta{margin-top:auto;padding-top:22px;font-size:13px;color:var(--text-3);line-height:1.9;}

/* ============ 面包屑 ============ */
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
  margin-bottom:16px;
}
.breadcrumb-nav a:hover{color:var(--brand);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--text-3);}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding:56px 0 64px;
  overflow:hidden;
  background:var(--bg);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.2;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,19,.82) 0%,rgba(11,9,19,.94) 62%,var(--bg) 100%);
}
.page-head .container{position:relative;z-index:2;}
.page-head__grid{
  display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:end;
}
@media (max-width:991.98px){
  .page-head__grid{grid-template-columns:1fr;gap:28px;align-items:start;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:8px;
  background:rgba(33,230,166,.12);
  border:1px solid rgba(33,230,166,.34);
  color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  margin-bottom:18px;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.page-head h1{
  font-size:clamp(28px,4.6vw,52px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.page-head .lead{
  color:var(--text-2);font-size:16px;max-width:640px;
}
.filter-pills{
  display:flex;gap:10px;flex-wrap:wrap;
}
.pill{
  height:38px;padding:0 18px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.pill:hover{color:var(--text);border-color:rgba(33,230,166,.35);}
.pill.active{
  background:var(--brand);border-color:var(--brand);color:var(--brand-ink);
}
.head-stats{
  display:flex;gap:34px;flex-wrap:wrap;margin-top:30px;
  padding-top:26px;border-top:1px solid var(--line);
}
.head-stat__num{
  font-family:var(--font-num);
  font-size:26px;font-weight:800;color:var(--accent-2);line-height:1.2;
}
.head-stat__label{font-size:13px;color:var(--text-2);letter-spacing:.02em;}

/* ============ 活动大卡 ============ */
.event-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;
}
@media (max-width:767.98px){
  .event-grid{grid-template-columns:1fr;gap:20px;}
}
.event-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.event-card:hover{
  border-color:rgba(33,230,166,.35);
  box-shadow:0 18px 44px rgba(33,230,166,.16);
  transform:translateY(-2px);
}
.event-card__banner{
  position:relative;
  aspect-ratio:21/9;
  background:var(--panel);
  overflow:hidden;
}
.event-card__banner img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.event-card:hover .event-card__banner img{transform:scale(1.03);}
.event-card__banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,19,0) 42%,rgba(11,9,19,.88) 100%);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(255,255,255,.08);color:var(--text-2);
}
.badge-status{
  position:absolute;top:14px;left:14px;z-index:3;
  height:26px;padding:0 12px;border-radius:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  display:inline-flex;align-items:center;gap:7px;
}
.badge-status i{
  width:6px;height:6px;border-radius:50%;display:inline-block;
}
.badge-status--live{
  background:var(--accent);color:#fff;
}
.badge-status--live i{background:#fff;animation:pulse 1.6s ease-in-out infinite;}
.badge-status--soon{
  background:rgba(11,9,19,.7);
  border:1px solid rgba(33,230,166,.55);
  color:var(--brand);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.badge-status--soon i{background:var(--brand);}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.35;transform:scale(.82);}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

.event-card__body{
  padding:22px 22px 24px;
  display:flex;flex-direction:column;gap:14px;
  flex:1 1 auto;
}
.event-card__body h3{
  font-size:20px;line-height:1.4;font-weight:700;
}
.event-card__time{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-family:var(--font-num);
  font-size:13px;color:var(--accent-2);letter-spacing:.02em;
}
.event-card__time .dash{color:var(--text-3);}
.event-card__desc{font-size:14px;color:var(--text-2);line-height:1.75;}
.event-card__rules{
  border-top:1px solid var(--line);
  padding-top:14px;
  display:flex;flex-direction:column;gap:8px;
}
.event-card__rules li{
  position:relative;padding-left:16px;
  font-size:13px;color:var(--text-2);line-height:1.7;
}
.event-card__rules li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:rgba(33,230,166,.7);
}
.event-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.event-card--muted{
  background:transparent;
  border:1px dashed rgba(33,230,166,.4);
  box-shadow:none;
}
.event-card--muted:hover{transform:none;box-shadow:none;}

/* ============ 领取步骤 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
@media (max-width:991.98px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.steps{grid-template-columns:1fr;}}
.step{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 20px;
  position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.step:hover{border-color:rgba(33,230,166,.3);box-shadow:0 12px 30px rgba(0,0,0,.4);}
.step__num{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(33,230,166,.5);
  color:var(--brand);
  font-family:var(--font-num);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0;}
.accordion-item{
  background:transparent !important;
  border:0 !important;
  border-bottom:1px solid var(--line) !important;
  border-radius:0 !important;
}
.accordion-button{
  background:transparent !important;
  color:var(--text) !important;
  font-size:16px;font-weight:700;
  padding:22px 0;
  box-shadow:none !important;
  border-radius:0 !important;
}
.accordion-button:not(.collapsed){color:var(--brand) !important;}
.accordion-button::after{
  background-image:none !important;
  content:"+";
  font-size:22px;font-weight:400;line-height:1;
  color:var(--text-2);
  width:auto;height:auto;
  transition:color .2s ease,transform .2s ease;
  transform:none;
  display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{
  content:"−";
  color:var(--brand);
  transform:none;
}
.accordion-button:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.accordion-body{
  padding:0 0 24px 20px;
  border-left:3px solid var(--brand);
  color:var(--text-2);
  font-size:15px;line-height:1.85;
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cta-band__inner{
  display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;
}
@media (max-width:991.98px){
  .cta-band__inner{grid-template-columns:1fr;gap:24px;}
}
.cta-band h2{
  font-size:clamp(20px,2.6vw,28px);
  line-height:1.35;margin-bottom:10px;
}
.cta-band p{color:var(--text-2);font-size:15px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form .form-control{
  flex:1 1 220px;min-width:0;
  height:48px;padding:0 16px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form .form-control::placeholder{color:var(--text-3);}
.cta-form .form-control:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(33,230,166,.2);
  background:var(--panel);color:var(--text);
}
.cta-form .form-control.is-error{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,122,69,.18);
}
.form-hint{
  width:100%;font-size:13px;color:var(--text-3);margin-top:2px;
}
.form-hint.error{color:var(--accent);}
.cta-channels{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--bg-deep);
  padding:56px 0 0;
}
@media (max-width:767.98px){
  .site-footer{margin-top:64px;padding-top:44px;}
}
.footer-grid{padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;}
.footer-brand .brand-text{font-size:16px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:border-color .18s ease,color .18s ease;
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);}
.footer-social svg{width:17px;height:17px;fill:currentColor;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{font-size:14px;color:var(--text-2);}
.footer-list a:hover{color:var(--brand);}
.footer-text{font-size:13px;color:var(--text-3);line-height:1.9;margin-top:14px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* 提示条 */
.topbar{
  height:40px;
  background:rgba(255,122,69,.1);
  border-bottom:1px solid rgba(255,122,69,.28);
  display:flex;align-items:center;
  font-size:13px;color:var(--text-2);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.topbar__left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar__left .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px;
}
.topbar__left span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar__close{
  background:transparent;border:0;color:var(--text-3);font-size:18px;line-height:1;padding:4px 6px;
}
.topbar__close:hover{color:var(--text);}
.topbar.hidden{display:none;}