/* roulang page: index */
:root{
  --brand:#B9FF3B;
  --brand-dim:rgba(185,255,59,.14);
  --accent:#FF6A2B;
  --accent-dim:rgba(255,106,43,.14);
  --bg:#0A1210;
  --bg-2:#0F1A16;
  --card:#14231C;
  --elev:#182A22;
  --text:#EEF4EE;
  --muted:#9FB3A6;
  --weak:#5F7268;
  --line:rgba(185,255,59,.14);
  --line-2:rgba(255,255,255,.07);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 0 rgba(255,255,255,.04), 0 12px 28px rgba(0,0,0,.45);
  --shadow-2:0 18px 40px rgba(0,0,0,.55);
  --gap:24px;

  --bs-primary:#B9FF3B;
  --bs-body-bg:#0A1210;
  --bs-body-color:#EEF4EE;
  --bs-link-color:#B9FF3B;
  --bs-link-hover-color:#d2ff7a;
  --bs-border-color:rgba(255,255,255,.07);
  --bs-border-radius:16px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
::selection{background:var(--brand);color:#0A1210;}

.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);}
.section-head .section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;}
.section-link{color:var(--brand);font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.section-link i{transition:transform .2s ease-out;}
.section-link:hover i{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(10,18,16,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-2);}
.brand-bar{border-bottom:1px solid var(--line-2);}
.brand-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:36px;height:36px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--brand),#6fbf12);display:grid;place-items:center;color:#0A1210;font-size:17px;box-shadow:0 0 0 4px rgba(185,255,59,.08);}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.search-box{flex:1;max-width:420px;display:flex;align-items:center;gap:10px;background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--radius-pill);padding:0 16px;height:42px;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.search-box:focus-within{border-color:rgba(185,255,59,.5);box-shadow:0 0 0 4px rgba(185,255,59,.10);}
.search-box i{color:var(--weak);font-size:14px;}
.search-box input{flex:1;background:none;border:0;outline:none;font-size:14px;}
.search-box input::placeholder{color:var(--weak);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.btn-ghost{font-size:14px;font-weight:600;color:var(--muted);padding:9px 14px;border-radius:var(--radius-sm);}
.btn-ghost:hover{color:var(--brand);background:rgba(185,255,59,.08);}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);background:var(--brand);color:#0A1210;font-weight:800;font-size:15px;border:0;transition:filter .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;}
.btn-brand:hover{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(185,255,59,.16);color:#0A1210;}
.btn-outline-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-sm);border:1px solid rgba(185,255,59,.4);color:var(--brand);background:transparent;font-weight:700;font-size:15px;transition:background-color .2s ease-out,border-color .2s ease-out;}
.btn-outline-brand:hover{background:rgba(185,255,59,.10);border-color:var(--brand);color:var(--brand);}
.channel-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{position:relative;flex-shrink:0;padding:0 14px;height:48px;display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:var(--muted);}
.channel-link:hover{color:var(--text);}
.channel-link.active{color:var(--brand);font-weight:800;}
.channel-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--brand);border-radius:2px;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-2);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);}
.hero-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,18,16,.96) 0%,rgba(10,18,16,.86) 42%,rgba(10,18,16,.55) 100%);}
.hero-veil::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(185,255,59,.05),rgba(185,255,59,.05));}
.hero-inner{position:relative;padding:96px 0 64px;min-height:520px;display:flex;align-items:center;}
.hero-copy{width:56%;max-width:720px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--brand);background:var(--brand-dim);border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,5vw,60px);margin-bottom:20px;}
.hero-sub{font-size:17px;color:var(--muted);line-height:1.7;max-width:600px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-ruler{position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}
.stat-band{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2);border-radius:var(--radius-md);overflow:hidden;margin-bottom:-1px;}
.stat-item{background:var(--bg-2);padding:20px 24px;}
.stat-item .stat-num{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat-item .stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ============ 能力面板 ============ */
.panel-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;}
.panel-main{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-2);min-height:380px;background:var(--card);}
.panel-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.55;}
.panel-main-body{position:relative;padding:32px;display:flex;flex-direction:column;justify-content:flex-end;height:100%;background:linear-gradient(180deg,rgba(10,18,16,.35),rgba(10,18,16,.92));}
.panel-main-body h3{font-size:22px;margin-bottom:12px;}
.panel-main-body p{color:var(--muted);font-size:15px;max-width:520px;}
.panel-list{display:flex;flex-direction:column;gap:16px;}
.panel-item{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius-md);padding:20px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.panel-item:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.panel-icon{width:44px;height:44px;flex-shrink:0;border-radius:var(--radius-sm);background:var(--brand-dim);color:var(--brand);display:grid;place-items:center;font-size:18px;}
.panel-item h4{font-size:16px;margin-bottom:6px;}
.panel-item p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 横滑片库 ============ */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 20px;margin:0 -4px;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{flex:0 0 300px;scroll-snap-align:start;border-radius:var(--radius-md);overflow:hidden;background:var(--card);border:1px solid var(--line-2);transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.rail-card:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--elev);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.rail-card:hover .rail-thumb img{transform:scale(1.04);}
.badge-soft{position:absolute;top:12px;left:12px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);background:rgba(185,255,59,.16);color:var(--brand);border:1px solid var(--line);}
.badge-accent{position:absolute;top:12px;left:12px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);background:var(--accent-dim);color:var(--accent);}
.rail-body{padding:16px 18px 20px;}
.rail-body h3{font-size:16px;margin-bottom:8px;line-height:1.45;}
.rail-card:hover .rail-body h3{color:var(--brand);}
.rail-body p{font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;}
.rail-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:12px;color:var(--weak);font-variant-numeric:tabular-nums;}

/* ============ 非对称推荐 ============ */
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;}
.feature-main{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-2);min-height:420px;}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.feature-main:hover img{transform:scale(1.04);}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,16,.05),rgba(10,18,16,.94));}
.feature-main-body{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;}
.feature-main-body h3{font-size:26px;margin-bottom:12px;}
.feature-main-body p{color:var(--muted);font-size:15px;max-width:520px;}
.feature-main .meta-row{display:flex;gap:16px;font-size:13px;color:var(--brand);margin-top:18px;font-variant-numeric:tabular-nums;}
.mini-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.mini-card{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.mini-card:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.mini-card .mini-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--elev);}
.mini-card .mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.mini-card:hover .mini-thumb img{transform:scale(1.04);}
.mini-card .mini-body{padding:14px 16px 18px;}
.mini-card h4{font-size:15px;line-height:1.5;margin-bottom:8px;}
.mini-card:hover h4{color:var(--brand);}
.mini-card .mini-meta{font-size:12px;color:var(--weak);font-variant-numeric:tabular-nums;}

/* ============ 最新信息 CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.news-card{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius-md);padding:22px;display:flex;flex-direction:column;min-height:220px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.news-card:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--weak);margin-bottom:14px;font-variant-numeric:tabular-nums;}
.tag-cat{font-size:11px;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);background:var(--brand-dim);color:var(--brand);}
.news-title{font-size:16px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{margin-top:auto;padding-top:16px;font-size:13px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.news-empty{grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-md);}
.news-empty i{font-size:28px;color:var(--weak);}
.news-empty p{color:var(--muted);font-size:15px;margin-top:14px;}

/* ============ 频道分栏 ============ */
.columns{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.column-block{background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--radius-md);padding:22px;}
.column-block h3{font-size:17px;padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--line-2);display:flex;align-items:center;justify-content:space-between;}
.column-block h3 span{font-size:12px;font-weight:600;color:var(--weak);}
.row-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-2);}
.column-block .row-item:last-child{border-bottom:0;padding-bottom:0;}
.row-thumb{width:78px;height:56px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;background:var(--elev);}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.row-item:hover .row-thumb img{transform:scale(1.06);}
.row-body h4{font-size:14px;line-height:1.5;margin-bottom:6px;}
.row-item:hover h4{color:var(--brand);}
.row-body span{font-size:12px;color:var(--weak);font-variant-numeric:tabular-nums;}

/* ============ 用户声音 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.voice-card{background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius-md);padding:24px;}
.voice-card .quote{font-size:15px;color:var(--text);line-height:1.8;}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2);}
.voice-avatar{width:38px;height:38px;border-radius:var(--radius-pill);background:var(--brand-dim);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:14px;}
.voice-user b{display:block;font-size:14px;}
.voice-user em{font-style:normal;font-size:12px;color:var(--weak);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line-2);}
.faq-item:first-child{border-top:1px solid var(--line-2);}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:16px;font-weight:700;cursor:pointer;transition:color .2s ease-out;}
.faq-q:hover{color:var(--brand);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{flex-shrink:0;width:22px;height:22px;position:relative;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .25s ease-out,opacity .25s ease-out;}
.faq-icon::before{left:0;right:0;top:10px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.8;padding:0 0 22px;max-width:780px;}

/* ============ CTA ============ */
.cta-band{background:var(--bg-2);border:1px solid var(--line-2);border-left:3px solid var(--brand);border-radius:var(--radius-md);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:15px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line-2);padding-top:64px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:16px;color:var(--text);letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-col .contact-line{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-bottom{border-top:1px solid var(--line-2);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--weak);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding:0 40px;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .hero-copy{width:100%;max-width:100%;}
  .hero-inner{padding:72px 0 56px;min-height:460px;}
  .panel-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .columns{grid-template-columns:1fr 1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .search-box{display:none;}
}
@media (max-width:767.98px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .brand-inner{height:56px;gap:12px;}
  .brand-actions{gap:8px;}
  .btn-ghost{display:none;}
  .btn-brand{height:40px;padding:0 16px;font-size:14px;}
  .hero-inner{padding:52px 0 40px;min-height:420px;}
  .hero-sub{font-size:15px;margin-bottom:24px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{width:100%;height:48px;}
  .stat-band{grid-template-columns:1fr 1fr;}
  .rail-card{flex:0 0 240px;}
  .feature-main{min-height:320px;}
  .mini-list{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .columns{grid-template-columns:1fr;}
  .cta-band{padding:28px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn-brand,.cta-actions .btn-outline-brand{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519.98px){
  .stat-item{padding:16px;}
  .stat-item .stat-num{font-size:22px;}
  .panel-main-body,.feature-main-body{padding:22px;}
}

/* roulang page: article */
:root{
  --bs-primary:#B9FF3B;
  --bs-body-bg:#0A1210;
  --bs-body-color:#EEF4EE;
  --bs-link-color:#B9FF3B;
  --bs-link-hover-color:#d2ff7a;
  --bs-border-color:rgba(185,255,59,.14);
  --bs-border-radius:10px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;

  --brand:#B9FF3B;
  --brand-soft:rgba(185,255,59,.12);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.12);
  --bg:#0A1210;
  --bg-2:#0F1A16;
  --card:#14231C;
  --card-hi:#182A22;
  --text:#EEF4EE;
  --text-2:#9FB3A6;
  --text-3:#5F7268;
  --line:rgba(185,255,59,.14);
  --line-2:rgba(255,255,255,.07);
  --r-pill:999px;
  --r-btn:10px;
  --r-card:16px;
  --r-block:20px;
  --sh:0 12px 28px rgba(0,0,0,.45);
  --sh-hi:0 18px 40px rgba(0,0,0,.55);
  --fs-12:12px; --fs-13:13px; --fs-15:15px; --fs-16:16px;
  --fs-20:20px; --fs-24:24px; --fs-32:32px; --fs-44:44px;
  --container:1320px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:var(--fs-16);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:#d2ff7a;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1em;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:rgba(10,18,16,.94);border-bottom:1px solid var(--line-2);}
.brand-bar{border-bottom:1px solid var(--line-2);}
.brand-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#7fce12);
  color:#0A1210;font-size:15px;
}
.logo-text{font-weight:800;font-size:19px;letter-spacing:-.01em;}
.search-box{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-pill);
  padding:0 16px;height:40px;color:var(--text-3);
}
.search-box input{flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:rgba(185,255,59,.5);box-shadow:0 0 0 4px rgba(185,255,59,.10);}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;
  border:1px solid rgba(185,255,59,.4);border-radius:var(--r-btn);color:var(--brand);
  font-size:14px;font-weight:600;background:transparent;transition:.2s ease-out;
}
.btn-ghost:hover{background:rgba(185,255,59,.10);color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;
  background:var(--brand);color:#0A1210;border-radius:var(--r-btn);font-size:14px;font-weight:700;
  transition:.2s ease-out;
}
.btn-brand:hover{background:#c9ff6b;color:#0A1210;box-shadow:0 0 0 4px rgba(185,255,59,.16);}
.channel-bar{background:var(--bg-2);}
.channel-inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;padding:0 14px;height:48px;display:inline-flex;align-items:center;
  font-size:14px;color:var(--text-2);white-space:nowrap;transition:.2s ease-out;
}
.channel-link:hover{color:var(--text);}
.channel-link.active{color:var(--brand);font-weight:700;}
.channel-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--brand);border-radius:2px;}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line-2);
  background-image:linear-gradient(100deg,rgba(10,18,16,.96) 0%,rgba(10,18,16,.82) 52%,rgba(10,18,16,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(185,255,59,.08) 0 1px,transparent 1px 90px);
  opacity:.5;
}
.page-head-inner{position:relative;z-index:2;padding:44px 0 40px;}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb-line a{color:var(--text-2);}
.breadcrumb-line a:hover{color:var(--brand);}
.breadcrumb-line .sep{color:var(--text-3);}
.breadcrumb-line .cur{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tagbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.page-head h1{
  font-size:clamp(26px,3.4vw,44px);
  max-width:960px;margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block;}
.meta-row strong{color:var(--text-2);font-weight:600;}

/* ---------- layout ---------- */
.main-wrap{padding:56px 0 24px;}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}
@media (max-width:1199px){.content-grid{grid-template-columns:minmax(0,1fr) 300px;gap:28px;}}
@media (max-width:991px){.content-grid{grid-template-columns:1fr;}}

.article-panel{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-block);
  box-shadow:var(--sh);padding:36px 40px 40px;
}
@media (max-width:767px){.article-panel{padding:22px 18px 26px;border-radius:var(--r-card);}}

.article-body{max-width:780px;font-size:var(--fs-16);line-height:1.85;color:#DCE6DD;}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  font-size:var(--fs-24);margin-top:1.8em;padding-left:14px;position:relative;color:var(--text);
}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:var(--fs-20);margin-top:1.6em;color:var(--text);}
.article-body p{margin:0 0 1.2em;color:#C9D7CC;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.2em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--brand);
  background:var(--bg-2);border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--text-2);
}
.article-body img{border-radius:var(--r-card);margin:1.6em 0;border:1px solid var(--line-2);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line-2);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg-2);color:var(--text);}
.article-body strong{color:var(--text);}
.article-body code{background:var(--bg-2);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--brand);}

.empty-state{max-width:780px;padding:32px 0 8px;text-align:left;}
.empty-state h2{font-size:var(--fs-24);margin-bottom:12px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- end area ---------- */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--line-2);}
.tagline{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px;}
.tagline .label{font-size:13px;color:var(--text-3);margin-right:2px;}
.tag-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);font-size:12.5px;transition:.2s ease-out;
}
.tag-pill:hover{border-color:rgba(185,255,59,.45);color:var(--brand);background:rgba(185,255,59,.08);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:24px;}
@media (min-width:992px){.side-col{position:sticky;top:24px;}}
.side-card{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:20px;transition:.2s ease-out;
}
.side-card:hover{border-color:rgba(185,255,59,.3);}
.side-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.side-title h3{font-size:var(--fs-16);}
.side-title span{font-size:12px;color:var(--text-3);}
.hot-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line-2);}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list .idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:700;background:var(--bg-2);color:var(--text-3);font-variant-numeric:tabular-nums;
}
.hot-list li:nth-child(1) .idx{background:var(--brand-soft);color:var(--brand);}
.hot-list li:nth-child(2) .idx{background:var(--accent-soft);color:var(--accent);}
.hot-list a{display:block;font-size:14px;color:var(--text-2);line-height:1.6;}
.hot-list a:hover{color:var(--brand);}
.hot-list .sub{font-size:12px;color:var(--text-3);margin-top:4px;}

.login-card{background:linear-gradient(150deg,#16281F 0%,#101B16 100%);}
.login-card h3{font-size:var(--fs-20);margin-bottom:10px;}
.login-card p{font-size:13.5px;color:var(--text-2);margin-bottom:18px;}
.field{margin-bottom:12px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:var(--bg-2);border:1px solid var(--line-2);color:var(--text);outline:none;transition:.2s ease-out;
}
.field input:focus{border-color:rgba(185,255,59,.55);box-shadow:0 0 0 4px rgba(185,255,59,.12);}
.btn-block-w{width:100%;height:46px;border-radius:var(--r-btn);background:var(--brand);color:#0A1210;font-weight:700;transition:.2s ease-out;}
.btn-block-w:hover{background:#c9ff6b;box-shadow:0 0 0 4px rgba(185,255,59,.16);}
.form-hint{font-size:12px;color:var(--text-3);margin-top:10px;margin-bottom:0;}

/* ---------- recommend ---------- */
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:var(--fs-24);}
.section-head p{font-size:13.5px;color:var(--text-3);margin:6px 0 0;}
.more-link{font-size:13.5px;display:inline-flex;align-items:center;gap:6px;color:var(--text-2);}
.more-link i{transition:transform .2s ease-out;}
.more-link:hover{color:var(--brand);}
.more-link:hover i{transform:translateX(3px);}
.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:1fr;}}
.news-card{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);transition:.2s ease-out;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hi);border-color:rgba(185,255,59,.3);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb .badge-soft{position:absolute;left:12px;top:12px;background:rgba(10,18,16,.75);backdrop-filter:blur(4px);}
.news-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:var(--fs-16);line-height:1.5;}
.news-card:hover .news-body h3{color:var(--brand);}
.news-body p{font-size:13.5px;color:var(--text-3);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border:1px solid var(--line);border-radius:var(--r-block);
  background:linear-gradient(120deg,#14231C 0%,#0F1A16 100%);
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;background:var(--brand);}
.cta-band h2{font-size:var(--fs-24);margin-bottom:8px;}
.cta-band p{font-size:14px;color:var(--text-2);margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-lg-brand{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--brand);color:#0A1210;font-weight:700;font-size:15px;transition:.2s ease-out;
}
.btn-lg-brand:hover{background:#c9ff6b;color:#0A1210;box-shadow:0 0 0 4px rgba(185,255,59,.16);}
.btn-lg-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid rgba(185,255,59,.4);color:var(--brand);font-weight:600;font-size:15px;transition:.2s ease-out;
}
.btn-lg-ghost:hover{background:rgba(185,255,59,.10);color:var(--brand);}

/* ---------- footer ---------- */
.site-footer{margin-top:56px;background:var(--bg-2);border-top:1px solid var(--line-2);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:32px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{font-size:13.5px;color:var(--text-3);margin:16px 0 0;max-width:420px;line-height:1.8;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--brand);}
.contact-line{font-size:13.5px;color:var(--text-3);line-height:2;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

@media (max-width:991px){
  .brand-inner{height:56px;gap:14px;}
  .search-box{display:none;}
  .container{padding:0 18px;}
  .page-head-inner{padding:32px 0 30px;}
  .main-wrap{padding:36px 0 12px;}
  .section{padding:48px 0;}
  .cta-band{padding:26px 22px;}
}
@media (max-width:575px){
  .btn-ghost{display:none;}
  .brand-actions{gap:8px;}
  .brand-actions .btn-brand{height:36px;padding:0 14px;}
  .cta-actions{width:100%;}
  .cta-actions a{flex:1 1 100%;justify-content:center;}
  .foot-actions a{flex:1 1 100%;justify-content:center;}
}

/* roulang page: category1 */
:root{
  --brand:#B9FF3B;
  --brand-2:#FF6A2B;
  --bg:#0A1210;
  --bg-block:#0F1A16;
  --bg-card:#14231C;
  --bg-float:#182A22;
  --text:#EEF4EE;
  --text-2:#9FB3A6;
  --text-3:#5F7268;
  --line:rgba(185,255,59,.14);
  --line-2:rgba(255,255,255,.07);
  --r-pill:999px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --sh-1:0 1px 0 rgba(255,255,255,.04),0 12px 28px rgba(0,0,0,.45);
  --sh-2:0 18px 40px rgba(0,0,0,.55);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:88px;

  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-primary:var(--brand);
  --bs-primary-rgb:185,255,59;
  --bs-link-color:var(--brand);
  --bs-link-hover-color:#d5ff8a;
  --bs-border-color:var(--line-2);
  --bs-border-radius:var(--r-sm);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#d5ff8a;}
button,input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(185,255,59,.3);color:#0A1210;}

.container{width:100%;max-width:1320px;padding-inline:20px;margin-inline:auto;}
@media (min-width:1200px){
  .container{max-width:1320px;padding-inline:40px;}
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,18,16,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-2);
}
.brand-bar{border-bottom:1px solid var(--line-2);}
.brand-inner{
  display:flex;align-items:center;gap:var(--sp-3);
  min-height:64px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:linear-gradient(140deg,var(--brand),#7fd10a);
  color:#0A1210;font-size:15px;
  box-shadow:0 6px 16px rgba(185,255,59,.22);
}
.logo-text{
  font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--text);
}
.logo:hover .logo-text{color:var(--brand);}
.search-box{
  flex:1 1 auto;max-width:420px;
  display:flex;align-items:center;gap:10px;
  background:var(--bg-block);
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  padding:0 18px;height:42px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{
  flex:1;background:transparent;border:0;outline:none;
  color:var(--text);font-size:14px;height:100%;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:rgba(185,255,59,.5);box-shadow:0 0 0 4px rgba(185,255,59,.10);}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;
  border-radius:var(--r-sm);border:1px solid rgba(185,255,59,.4);
  color:var(--brand);font-size:14px;font-weight:600;
  transition:background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:rgba(185,255,59,.10);border-color:var(--brand);color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;
  border-radius:var(--r-sm);background:var(--brand);color:#0A1210;
  font-size:14px;font-weight:800;
  transition:filter .2s ease,box-shadow .2s ease;
}
.btn-brand:hover{filter:brightness(1.08);color:#0A1210;box-shadow:0 0 0 4px rgba(185,255,59,.16);}

/* 频道行 */
.channel-bar{background:var(--bg-block);}
.channel-inner{
  display:flex;align-items:center;gap:6px;
  min-height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;
  padding:0 4px;height:48px;display:inline-flex;align-items:center;
  color:var(--text-2);font-size:15px;font-weight:600;
  margin-right:20px;white-space:nowrap;
  transition:color .2s ease;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.channel-link:hover{color:var(--text);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand);}
.channel-link.active::after{transform:scaleX(1);}

/* ---------- 通用 ---------- */
.section{padding-block:var(--sp-7);}
.section-alt{background:var(--bg-block);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--brand-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand-2);display:block;}
.section-head{margin-bottom:var(--sp-5);max-width:760px;}
.section-head h2{font-size:32px;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15px;}
.rule-tick{
  height:1px;background:var(--line-2);position:relative;margin-block:var(--sp-4);
}
.rule-tick::after{
  content:"";position:absolute;left:0;top:-3px;width:56px;height:7px;
  background:repeating-linear-gradient(90deg,var(--brand) 0 2px,transparent 2px 8px);
  opacity:.7;
}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);
  background:var(--brand);color:#0A1210;font-weight:800;font-size:15px;
  border:1px solid var(--brand);
  transition:filter .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary-solid:hover{filter:brightness(1.08);color:#0A1210;box-shadow:0 0 0 4px rgba(185,255,59,.16);transform:translateY(-2px);}
.btn-outline-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);
  background:transparent;color:var(--brand);
  border:1px solid rgba(185,255,59,.4);font-weight:700;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-outline-line:hover{background:rgba(185,255,59,.10);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  min-height:520px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-2);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,18,16,.96) 0%,rgba(10,18,16,.86) 42%,rgba(10,18,16,.42) 78%,rgba(10,18,16,.25) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(185,255,59,.06) 100%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.hero-inner{max-width:660px;padding-block:72px;}
.breadcrumb-line{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--text-2);}
.breadcrumb-line a:hover{color:var(--brand);}
.breadcrumb-line .sep{color:var(--text-3);}
.breadcrumb-line .current{color:var(--brand);font-weight:700;}
.cat-hero h1{
  font-size:clamp(30px,5vw,60px);
  margin-bottom:18px;
  letter-spacing:-.02em;
}
.cat-hero h1 span{color:var(--brand);}
.hero-lead{
  font-size:16px;color:var(--text-2);line-height:1.7;
  max-width:560px;margin-bottom:28px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.metric-band{
  margin-top:44px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line-2);
  border:1px solid var(--line-2);border-radius:var(--r-md);
  overflow:hidden;
}
.metric-item{background:rgba(15,26,22,.82);padding:18px 20px;}
.metric-item .num{
  font-size:24px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2;
}
.metric-item .num small{font-size:13px;color:var(--text-2);font-weight:600;margin-left:2px;}
.metric-item .lab{font-size:13px;color:var(--text-2);margin-top:4px;}

/* ---------- 能力面板 ---------- */
.panel-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;background:var(--line-2);
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;
}
.panel-item{
  background:var(--bg-card);padding:30px 28px;
  display:flex;gap:18px;align-items:flex-start;
  transition:background .2s ease;
}
.panel-item:hover{background:var(--bg-float);}
.panel-ico{
  flex:0 0 44px;width:44px;height:44px;display:grid;place-items:center;
  border-radius:var(--r-sm);border:1px solid var(--line);
  color:var(--brand);font-size:17px;background:rgba(185,255,59,.06);
}
.panel-item h3{font-size:20px;margin-bottom:8px;}
.panel-item p{color:var(--text-2);font-size:15px;line-height:1.7;}

/* ---------- 直播速览：粘性筛选 + 海报网格 ---------- */
.rail-sticky{position:sticky;top:132px;}
.rail-box{
  background:var(--bg-block);
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:22px 20px;
}
.rail-box h3{font-size:16px;margin-bottom:6px;}
.rail-box .rail-note{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.rail-group + .rail-group{margin-top:22px;padding-top:22px;border-top:1px solid var(--line-2);}
.rail-label{font-size:12px;letter-spacing:.1em;color:var(--text-3);font-weight:700;margin-bottom:12px;}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line-2);
  background:var(--bg-card);color:var(--text-2);
  font-size:13px;font-weight:600;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.chip:hover{border-color:rgba(185,255,59,.4);color:var(--text);}
.chip.on{background:rgba(185,255,59,.12);border-color:rgba(185,255,59,.5);color:var(--brand);}

.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.poster-card{
  background:var(--bg-card);
  border:1px solid var(--line-2);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.poster-card:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);box-shadow:var(--sh-2);}
.poster-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-block);}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.poster-card:hover .poster-thumb img{transform:scale(1.04);}
.poster-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:60%;
  background:linear-gradient(180deg,transparent,rgba(10,18,16,.86));
}
.badge-float{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:11px;font-weight:700;
  background:rgba(255,106,43,.16);color:var(--brand-2);border:1px solid rgba(255,106,43,.3);
}
.badge-float.live{background:rgba(185,255,59,.14);color:var(--brand);border-color:rgba(185,255,59,.32);}
.poster-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.poster-body h3{font-size:16px;line-height:1.45;font-weight:700;}
.poster-card:hover .poster-body h3{color:var(--brand);}
.poster-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);
}
.poster-meta .tnum{font-variant-numeric:tabular-nums;color:var(--text-2);font-weight:700;}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.scene-card{
  position:relative;
  background:var(--bg-card);border:1px solid var(--line-2);border-radius:var(--r-md);
  padding:26px 24px 24px;overflow:hidden;
  transition:border-color .2s ease,transform .2s ease;
}
.scene-card::before{
  content:"";position:absolute;top:0;left:0;width:3px;height:100%;
  background:var(--brand);opacity:.55;
}
.scene-card:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);}
.scene-idx{
  font-size:13px;font-weight:800;color:var(--brand-2);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;margin-bottom:12px;display:block;
}
.scene-card h3{font-size:20px;margin-bottom:10px;}
.scene-card p{color:var(--text-2);font-size:15px;line-height:1.7;}

/* ---------- 流程 ---------- */
.step-track{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step-track::before{
  content:"";position:absolute;top:24px;left:6px;right:6px;height:1px;
  background:linear-gradient(90deg,rgba(185,255,59,.5),rgba(185,255,59,.08));
}
.step-item{position:relative;padding-top:60px;}
.step-dot{
  position:absolute;top:11px;left:0;
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg);border:1px solid rgba(185,255,59,.4);
  color:var(--brand);font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:17px;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line-2);
}
.accordion-item:last-child{border-bottom:1px solid var(--line-2);}
.accordion-button{
  background:transparent;color:var(--text);
  font-size:16px;font-weight:700;line-height:1.6;
  padding:22px 44px 22px 0;box-shadow:none;
  transition:color .2s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  display:none;
}
.accordion-button .faq-sign{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  border:1px solid rgba(185,255,59,.35);color:var(--brand);
  transition:transform .25s ease,background .2s ease;
}
.accordion-button:not(.collapsed) .faq-sign{transform:translateY(-50%) rotate(180deg);background:rgba(185,255,59,.12);}
.accordion-body{
  padding:0 44px 24px 0;color:var(--text-2);font-size:15px;line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-band{
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  background:var(--bg-block);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;
  background:linear-gradient(135deg,rgba(185,255,59,.08),transparent 70%);
  transform:rotate(18deg);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding-block:56px;position:relative;z-index:2;
}
.cta-left{border-left:3px solid var(--brand);padding-left:22px;max-width:680px;}
.cta-left h2{font-size:clamp(22px,3vw,32px);margin-bottom:10px;}
.cta-left p{color:var(--text-2);font-size:15px;}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#08100D;border-top:1px solid var(--line-2);
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:360px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--text-2);font-size:14px;}
.footer-col ul a:hover{color:var(--brand);}
.contact-line{color:var(--text-2);font-size:14px;line-height:2;}
.footer-bottom{
  border-top:1px solid var(--line-2);
  padding-block:22px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-track{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-track::before{display:none;}
}
@media (max-width:991px){
  .section{padding-block:64px;}
  .cat-hero{min-height:auto;}
  .hero-inner{padding-block:56px;}
  .search-box{max-width:none;}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rail-sticky{position:static;margin-bottom:28px;}
  .panel-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{flex-direction:column;align-items:flex-start;padding-block:48px;}
}
@media (max-width:767px){
  .container{padding-inline:16px;}
  .section{padding-block:48px;}
  .brand-inner{flex-wrap:wrap;padding-block:12px;gap:14px;min-height:auto;}
  .search-box{order:3;flex:1 1 100%;}
  .brand-actions .btn-ghost{display:none;}
  .section-head h2{font-size:24px;}
  .hero-btns .btn-primary-solid,.hero-btns .btn-outline-line{width:100%;height:48px;}
  .poster-grid{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .step-track{grid-template-columns:1fr;gap:26px;}
  .step-item{padding-top:0;padding-left:44px;}
  .step-dot{top:0;left:0;}
  .cta-btns{width:100%;}
  .cta-btns a{width:100%;height:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bs-primary:#B9FF3B;
  --bs-body-bg:#0A1210;
  --bs-body-color:#EEF4EE;
  --bs-link-color:#B9FF3B;
  --bs-link-hover-color:#d3ff7d;
  --bs-border-color:rgba(185,255,59,.14);
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;

  --brand:#B9FF3B;
  --brand-soft:rgba(185,255,59,.12);
  --accent:#FF6A2B;
  --accent-soft:rgba(255,106,43,.12);
  --bg:#0A1210;
  --bg-block:#0F1A16;
  --card:#14231C;
  --card-2:#182A22;
  --text:#EEF4EE;
  --muted:#9FB3A6;
  --faint:#5F7268;
  --line:rgba(185,255,59,.14);
  --line-2:rgba(255,255,255,.07);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --shadow-base:0 1px 0 rgba(255,255,255,.04),0 12px 28px rgba(0,0,0,.45);
  --shadow-hover:0 18px 40px rgba(0,0,0,.55);
  --gap:8px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--brand);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.01em;margin:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.bg-block{background:var(--bg-block);}
.bg-deep{background:#0C1613;}

/* ===== header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,18,16,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-2);
}
.brand-bar{border-bottom:1px solid var(--line-2);}
.brand-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-weight:800;
  letter-spacing:-.01em;
}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand);
  color:#0A1210;
  font-size:16px;
}
.logo-text{
  font-size:20px;
  font-weight:800;
  color:var(--text);
}
.logo:hover .logo-text{color:var(--brand);}

.search-box{
  flex:1;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  background:var(--bg-block);
  border:1px solid var(--line-2);
  color:var(--faint);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(185,255,59,.14);
}
.search-box input{
  flex:1;
  background:transparent;
  border:0;
  color:var(--text);
  height:100%;
  outline:none;
}
.search-box input::placeholder{color:var(--faint);}

.brand-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 18px;
  border-radius:var(--r-sm);
  border:1px solid rgba(185,255,59,.4);
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  background:transparent;
}
.btn-ghost:hover{background:rgba(185,255,59,.10);color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;
  border-radius:var(--r-sm);
  background:var(--brand);
  color:#0A1210;
  font-size:15px;
  font-weight:700;
  border:1px solid var(--brand);
}
.btn-brand:hover{
  background:#cdff70;
  color:#0A1210;
  box-shadow:0 0 0 4px rgba(185,255,59,.16);
}

.channel-bar{border-bottom:1px solid var(--line-2);background:var(--bg-block);}
.channel-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  padding:14px 0;
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
  font-weight:600;
}
.channel-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:transparent;
  transition:background-color .2s ease-out;
}
.channel-link:hover{color:var(--text);}
.channel-link.active{color:var(--brand);}
.channel-link.active::after{background:var(--brand);}

/* ===== buttons ===== */
.btn-primary-brand,.btn-outline-brand,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:700;
  transition:all .2s ease-out;
}
.btn-primary-brand{background:var(--brand);color:#0A1210;border:1px solid var(--brand);}
.btn-primary-brand:hover{background:#cdff70;color:#0A1210;box-shadow:0 0 0 4px rgba(185,255,59,.16);}
.btn-outline-brand{background:transparent;color:var(--brand);border:1px solid rgba(185,255,59,.4);}
.btn-outline-brand:hover{background:rgba(185,255,59,.10);color:var(--brand);}
.btn-text{padding:0 4px;color:var(--brand);height:auto;}
.btn-text i{transition:transform .2s ease-out;}
.btn-text:hover i{transform:translateX(3px);}

/* ===== section head ===== */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:24px;
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:22px;
  border-radius:2px;
  background:var(--brand);
}
.section-head .sub{
  color:var(--muted);
  font-size:14px;
  margin-top:6px;
}

/* ===== wide scroll band (page top) ===== */
.wide-band{padding:40px 0 8px;background:var(--bg-block);border-bottom:1px solid var(--line-2);}
.wide-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:24px;
  scrollbar-width:none;
}
.wide-track::-webkit-scrollbar{display:none;}
.wide-card{
  position:relative;
  flex:0 0 460px;
  scroll-snap-align:start;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line-2);
  background:var(--card);
  box-shadow:var(--shadow-base);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.wide-card:hover{
  border-color:rgba(185,255,59,.3);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.wide-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.wide-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .25s ease-out;
}
.wide-card:hover .thumb img{transform:scale(1.04);}
.wide-card .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,18,16,.05) 30%,rgba(10,18,16,.9) 100%);
}
.wide-card .badge{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;font-weight:700;
}
.wide-card .body{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:18px 20px;
}
.wide-card .body h3{
  font-size:20px;
  margin-bottom:6px;
}
.wide-card:hover .body h3{color:var(--brand);}
.wide-card .meta{
  display:flex;flex-wrap:wrap;gap:14px;
  font-size:13px;color:var(--muted);
}
.wide-card .meta i{color:var(--accent);margin-right:4px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ===== page head ===== */
.page-head{
  position:relative;
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-2);
}
.page-head::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,18,16,.96) 0%,rgba(10,18,16,.86) 46%,rgba(10,18,16,.62) 100%);
}
.page-head::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(185,255,59,.06),transparent 60%);
  pointer-events:none;
}
.page-head-inner{
  position:relative;
  z-index:2;
  padding:72px 0 64px;
  max-width:760px;
}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--faint);
  margin-bottom:20px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--faint);}
.crumbs .current{color:var(--text);}
.page-head h1{
  font-size:clamp(30px,4.4vw,48px);
  margin-bottom:16px;
}
.page-head h1 span{color:var(--brand);}
.page-head .lead{
  font-size:16px;
  color:var(--muted);
  max-width:640px;
  line-height:1.8;
}
.head-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:24px;
}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(185,255,59,.06);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
}

/* ===== main split layout ===== */
.split-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 380px;
  gap:32px;
  align-items:start;
}
.big-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.big-card{
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--card);
  box-shadow:var(--shadow-base);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  display:flex;
  flex-direction:column;
}
.big-card:hover{
  border-color:rgba(185,255,59,.3);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.big-card .cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.big-card .cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .25s ease-out;
}
.big-card:hover .cover img{transform:scale(1.04);}
.big-card .cat{
  position:absolute;top:14px;left:14px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;
  background:var(--accent-soft);
  color:var(--accent);
  backdrop-filter:blur(4px);
}
.big-card .content{padding:18px 20px 22px;}
.big-card h3{font-size:20px;margin-bottom:10px;}
.big-card:hover h3{color:var(--brand);}
.big-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.card-meta{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:14px;padding-top:14px;
  border-top:1px solid var(--line-2);
  font-size:13px;color:var(--faint);
}
.card-meta i{margin-right:5px;color:var(--brand);}

/* ===== timeline ===== */
.side-panel{
  position:sticky;
  top:132px;
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  background:var(--bg-block);
  padding:24px 22px;
  box-shadow:var(--shadow-base);
}
.side-panel h2{
  font-size:20px;
  margin-bottom:6px;
}
.side-panel .sub{font-size:13px;color:var(--faint);margin-bottom:20px;}
.timeline{
  position:relative;
  padding-left:22px;
  border-left:2px solid rgba(185,255,59,.35);
  display:flex;
  flex-direction:column;
  gap:22px;
}
.tl-item{position:relative;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-29px;top:7px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--bg-block);
  border:2px solid var(--brand);
}
.tl-item .tl-time{
  font-size:12px;
  color:var(--accent);
  font-weight:700;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.tl-item h4{font-size:15px;margin:4px 0 4px;font-weight:700;}
.tl-item p{font-size:13px;color:var(--muted);line-height:1.65;}
.side-cta{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--line-2);
}
.side-cta .btn-primary-brand,.side-cta .btn-outline-brand{width:100%;}

/* ===== stats ===== */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:36px 0;
}
.stat-item .stat-num{
  font-size:32px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-item .stat-label{
  font-size:14px;
  color:var(--muted);
  margin-top:4px;
}

/* ===== filter chips ===== */
.chip-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:28px;
}
.chip{
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line-2);
  background:var(--card);
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease-out;
}
.chip:hover{border-color:rgba(185,255,59,.3);color:var(--text);}
.chip.active{background:var(--brand-soft);border-color:rgba(185,255,59,.4);color:var(--brand);}

/* ===== feature list ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.feature-item{
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  background:var(--card-2);
  padding:24px 22px;
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.feature-item:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);}
.feature-item .fi-icon{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:18px;
  margin-bottom:16px;
}
.feature-item h3{font-size:17px;margin-bottom:10px;}
.feature-item p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ===== CTA ===== */
.cta-band{
  border:1px solid var(--line);
  border-left:3px solid var(--brand);
  border-radius:var(--r-md);
  background:var(--bg-block);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-base);
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{color:var(--muted);font-size:15px;max-width:620px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== footer ===== */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line-2);
  background:var(--bg-block);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:18px;
  color:var(--text);
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--muted);
}
.footer-col ul li a:hover{color:var(--brand);}
.contact-line{
  font-size:14px;
  color:var(--muted);
  line-height:2;
}
.footer-bottom{
  border-top:1px solid var(--line-2);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--faint);
}

/* ===== responsive ===== */
@media (max-width:1199px){
  .container{padding:0 40px;}
  .split-grid{grid-template-columns:minmax(0,1fr) 320px;gap:24px;}
  .big-grid{grid-template-columns:1fr;}
}
@media (max-width:991px){
  .container{padding:0 28px;}
  .split-grid{grid-template-columns:minmax(0,1fr);}
  .side-panel{position:static;margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;gap:24px;}
  .section{padding:64px 0;}
  .wide-card{flex:0 0 380px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .brand-inner{min-height:56px;gap:14px;flex-wrap:nowrap;}
  .search-box{display:none;}
  .brand-actions .btn-ghost{display:none;}
  .logo-text{font-size:18px;}
  .channel-inner{gap:20px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .page-head-inner{padding:48px 0 44px;}
  .big-grid{grid-template-columns:1fr;gap:18px;}
  .feature-grid{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;padding:28px 0;}
  .stat-item .stat-num{font-size:24px;}
  .wide-card{flex:0 0 260px;}
  .wide-track{gap:14px;}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .cta-actions{width:100%;flex-direction:column;}
  .cta-band .cta-actions a{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn-primary-brand,.btn-outline-brand{height:48px;}
}

/* roulang page: category3 */
:root{
  --brand:#B9FF3B;
  --brand-rgb:185,255,59;
  --accent:#FF6A2B;
  --accent-rgb:255,106,43;
  --bg:#0A1210;
  --bg-section:#0F1A16;
  --bg-card:#14231C;
  --bg-float:#182A22;
  --text:#EEF4EE;
  --text-muted:#9FB3A6;
  --text-weak:#5F7268;
  --line:rgba(185,255,59,.14);
  --line-soft:rgba(255,255,255,.07);
  --radius-pill:999px;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --shadow-base:0 1px 0 rgba(255,255,255,.04) inset,0 12px 28px rgba(0,0,0,.45);
  --shadow-hover:0 18px 40px rgba(0,0,0,.55);
  --sp:8px;
  --bs-primary:#B9FF3B;
  --bs-primary-rgb:185,255,59;
  --bs-body-bg:#0A1210;
  --bs-body-color:#EEF4EE;
  --bs-link-color:#B9FF3B;
  --bs-link-hover-color:#d3ff7d;
  --bs-border-color:rgba(255,255,255,.07);
  --bs-border-radius:10px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:#d3ff7d;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.01em;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.narrow{max-width:780px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(10,18,16,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft);}
.brand-bar{border-bottom:1px solid var(--line-soft);}
.brand-inner{display:flex;align-items:center;gap:24px;min-height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:-.01em;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand);color:#0A1210;font-size:15px;
  box-shadow:0 0 0 4px rgba(var(--brand-rgb),.12);
}
.logo-text{font-size:20px;font-weight:800;}
.search-box{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  background:var(--bg-section);border:1px solid var(--line-soft);border-radius:var(--radius-pill);
  padding:0 16px;height:42px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box i{color:var(--text-weak);font-size:14px;}
.search-box input{flex:1;background:transparent;border:0;color:var(--text);height:100%;outline:none;font-size:15px;}
.search-box input::placeholder{color:var(--text-weak);}
.search-box:focus-within{border-color:rgba(var(--brand-rgb),.5);box-shadow:0 0 0 4px rgba(var(--brand-rgb),.10);}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 18px;border-radius:var(--radius-sm);
  border:1px solid rgba(var(--brand-rgb),.4);color:var(--brand);
  font-size:15px;font-weight:600;transition:background .2s ease-out;
}
.btn-ghost:hover{background:rgba(var(--brand-rgb),.10);color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-sm);
  background:var(--brand);color:#0A1210;font-size:15px;font-weight:700;
  transition:filter .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.btn-brand:hover{color:#0A1210;filter:brightness(1.06);box-shadow:0 0 0 4px rgba(var(--brand-rgb),.16);transform:translateY(-1px);}
.channel-bar{background:rgba(15,26,22,.6);}
.channel-inner{display:flex;align-items:center;gap:28px;min-height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;color:var(--text-muted);font-size:15px;font-weight:600;
  padding:12px 0;transition:color .2s ease-out;
}
.channel-link:hover{color:var(--text);}
.channel-link.active{color:var(--brand);}
.channel-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}

/* ---------- page header ---------- */
.page-head{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft);
  background-image:linear-gradient(105deg,rgba(10,18,16,.96) 0%,rgba(10,18,16,.78) 46%,rgba(15,26,22,.55) 100%),
    linear-gradient(180deg,rgba(255,106,43,.06),rgba(10,18,16,.9)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-head::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:repeating-linear-gradient(90deg,rgba(var(--brand-rgb),.22) 0 14px,transparent 14px 28px);
}
.page-head-inner{padding:64px 0 56px;position:relative;z-index:1;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:var(--text-muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{color:var(--text-weak);}
.page-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(var(--accent-rgb),.12);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.02em;
  margin-bottom:18px;
}
.page-head h1{
  font-size:clamp(30px,5vw,52px);
  max-width:16em;
  margin-bottom:16px;
}
.page-head h1 em{font-style:normal;color:var(--brand);}
.page-lead{max-width:62ch;color:var(--text-muted);font-size:17px;line-height:1.8;}
.head-stats{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--radius-md);overflow:hidden;
}
.head-stat{background:rgba(15,26,22,.72);padding:18px 20px;}
.head-stat .v{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.head-stat .k{font-size:13px;color:var(--text-muted);margin-top:4px;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--bg-section);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,3vw,32px);}
.sec-head .desc{color:var(--text-muted);font-size:15px;max-width:52ch;margin-top:10px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.sec-head .link-more{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:15px;font-weight:600;white-space:nowrap;
}
.link-more i{transition:transform .2s ease-out;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- staggered grid ---------- */
.stagger{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;}
.stagger .col-b{transform:translateY(56px);}
.stagger-card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-base);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.stagger-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(var(--brand-rgb),.3);}
.stagger-card:hover .stagger-title{color:var(--brand);}
.ratio-23{position:relative;aspect-ratio:2/3;overflow:hidden;background:#0d1714;}
.ratio-23 img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.stagger-card:hover .ratio-23 img{transform:scale(1.04);}
.ratio-23::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,18,16,.15) 0%,rgba(10,18,16,.86) 100%);
}
.ratio-23 .float-tag{position:absolute;top:16px;left:16px;z-index:2;}
.ratio-23 .cover-note{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;font-size:15px;font-weight:700;}
.stagger-body{padding:20px;}
.stagger-title{font-size:20px;font-weight:800;margin-bottom:10px;transition:color .2s ease-out;}
.stagger-body p{color:var(--text-muted);font-size:15px;line-height:1.75;}
.badge-accent{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--radius-pill);
  background:rgba(var(--accent-rgb),.14);color:var(--accent);font-size:12px;font-weight:700;
}
.badge-brand{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--radius-pill);
  background:rgba(var(--brand-rgb),.12);color:var(--brand);font-size:12px;font-weight:700;
}
.badge-line{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);color:var(--text-muted);font-size:12px;font-weight:600;
}

/* ---------- steps timeline ---------- */
.steps-wrap{position:relative;margin-top:8px;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:24px 20px 22px;box-shadow:var(--shadow-base);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.step:hover{border-color:rgba(var(--brand-rgb),.3);transform:translateY(-2px);}
.step .no{
  font-size:32px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:800;margin-bottom:8px;}
.step p{color:var(--text-muted);font-size:14px;line-height:1.7;}
.step .badge-accent{margin-top:14px;}

/* ---------- masonry ---------- */
.masonry{column-count:3;column-gap:24px;}
.masonry-item{break-inside:avoid;margin-bottom:24px;}
.q-card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-base);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.q-card:hover{border-color:rgba(var(--accent-rgb),.28);box-shadow:var(--shadow-hover);}
.q-card h3{font-size:17px;font-weight:800;margin-bottom:10px;}
.q-card p{color:var(--text-muted);font-size:14.5px;line-height:1.75;}
.q-card .q-foot{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-weak);}
.q-card.tinted{background:var(--bg-float);border-color:rgba(var(--brand-rgb),.18);}
.q-list{margin-top:12px;}
.q-list li{
  position:relative;padding-left:18px;color:var(--text-muted);font-size:14.5px;line-height:1.7;margin-bottom:8px;
}
.q-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--accent);
}

/* ---------- safety list ---------- */
.safety{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.safety-item{
  border-left:3px solid var(--brand);background:var(--bg-card);border-radius:0 var(--radius-md) var(--radius-md) 0;
  padding:22px 22px 20px;box-shadow:var(--shadow-base);
}
.safety-item h3{font-size:17px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.safety-item h3 i{color:var(--brand);font-size:15px;}
.safety-item p{color:var(--text-muted);font-size:14.5px;line-height:1.75;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--bg-float);border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:44px 48px;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(var(--brand-rgb),.05);pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--text-muted);font-size:15px;max-width:56ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-lg-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  background:var(--brand);color:#0A1210;font-weight:700;font-size:15px;
  transition:filter .2s ease-out,box-shadow .2s ease-out;
}
.btn-lg-brand:hover{color:#0A1210;filter:brightness(1.06);box-shadow:0 0 0 4px rgba(var(--brand-rgb),.16);}
.btn-lg-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  border:1px solid rgba(var(--brand-rgb),.4);color:var(--brand);font-weight:600;font-size:15px;
  transition:background .2s ease-out;
}
.btn-lg-ghost:hover{background:rgba(var(--brand-rgb),.10);color:var(--brand);}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-section);border-top:1px solid var(--line-soft);padding:64px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-muted);font-size:14.5px;line-height:1.8;max-width:38ch;}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--text-muted);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--brand);}
.contact-line{color:var(--text-muted);font-size:14.5px;line-height:2;}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0;display:flex;justify-content:space-between;gap:16px;
  color:var(--text-weak);font-size:13px;flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .container{padding:0 40px;}
}
@media (max-width:1199px){
  .section{padding:72px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .masonry{column-count:2;}
  .safety{grid-template-columns:1fr;}
}
@media (max-width:991px){
  .brand-inner{min-height:56px;gap:16px;flex-wrap:wrap;padding:10px 0;}
  .search-box{order:3;max-width:none;width:100%;}
  .section{padding:64px 0;}
  .stagger .col-b{transform:none;}
  .head-stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .page-head-inner{padding:44px 0 40px;}
  .page-lead{font-size:16px;}
  .stagger{grid-template-columns:1fr;gap:24px;}
  .steps{grid-template-columns:1fr;}
  .masonry{column-count:1;}
  .cta-band{padding:32px 24px;}
  .cta-actions{width:100%;}
  .btn-lg-brand,.btn-lg-ghost{width:100%;height:48px;}
  .btn-ghost{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .logo-text{font-size:18px;}
  .head-stats{grid-template-columns:1fr 1fr;}
  .head-stat{padding:14px 16px;}
  .head-stat .v{font-size:22px;}
}

/* roulang page: category4 */
:root{
  --brand:#B9FF3B;
  --brand-2:#FF6A2B;
  --bg:#0A1210;
  --bg-2:#0F1A16;
  --card:#14231C;
  --card-2:#182A22;
  --text:#EEF4EE;
  --text-2:#9FB3A6;
  --text-3:#5F7268;
  --line:rgba(185,255,59,.14);
  --line-2:rgba(255,255,255,.07);
  --r-pill:999px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --shadow-1:0 1px 0 rgba(255,255,255,.04), 0 12px 28px rgba(0,0,0,.45);
  --shadow-2:0 18px 40px rgba(0,0,0,.55);
  --gap:24px;

  --bs-primary:#B9FF3B;
  --bs-body-bg:#0A1210;
  --bs-body-color:#EEF4EE;
  --bs-link-color:#B9FF3B;
  --bs-link-hover-color:#d3ff7c;
  --bs-border-color:rgba(255,255,255,.07);
  --bs-border-radius:16px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:20px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.2;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,18,16,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-2);
}
.brand-bar{border-bottom:1px solid var(--line-2);}
.brand-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:linear-gradient(135deg,var(--brand),#7fd117);
  color:#0A1210;
  font-size:16px;
}
.logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.logo:hover .logo-text{color:var(--brand);}

.search-box{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  height:40px;
  padding:0 16px;
  background:var(--bg-2);
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  flex:1 1 auto;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:14px;
  outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:rgba(185,255,59,.45);box-shadow:0 0 0 4px rgba(185,255,59,.12);}

.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn-ghost{
  font-size:14px;
  color:var(--text-2);
  padding:8px 4px;
}
.btn-ghost:hover{color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-sm);
  background:var(--brand);
  color:#0A1210;
  font-size:14px;
  font-weight:700;
  transition:filter .2s ease-out, box-shadow .2s ease-out, transform .2s ease-out;
}
.btn-brand:hover{
  color:#0A1210;
  filter:brightness(1.08);
  box-shadow:0 0 0 4px rgba(185,255,59,.16);
}

.channel-bar{background:rgba(15,26,22,.6);}
.channel-inner{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  flex:0 0 auto;
  padding:0 14px;
  height:48px;
  display:inline-flex;
  align-items:center;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease-out;
}
.channel-link:hover{color:var(--text);}
.channel-link.active{color:var(--brand);}
.channel-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  background-image:
    linear-gradient(100deg, rgba(10,18,16,.97) 0%, rgba(10,18,16,.82) 44%, rgba(10,18,16,.44) 100%),
    linear-gradient(180deg, rgba(10,18,16,.35) 0%, rgba(10,18,16,.9) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-2);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(90deg, rgba(185,255,59,.06) 0 1px, transparent 1px 84px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--brand-2);}

.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(185,255,59,.1);
  border:1px solid var(--line);
  color:var(--brand);
  font-size:12px;font-weight:600;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,5vw,54px);
  max-width:900px;
  margin-bottom:14px;
}
.page-hero h1 .h1-sub{
  display:block;
  font-size:clamp(15px,1.6vw,19px);
  font-weight:600;
  color:var(--text-2);
  letter-spacing:0;
  line-height:1.7;
  margin-top:14px;
  max-width:720px;
}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:40px;
  margin-top:36px;
  padding-top:28px;
  border-top:1px solid var(--line-2);
}
.metric-num{
  font-size:32px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.metric-label{font-size:13px;color:var(--text-2);margin-top:6px;}

/* ---------- generic section ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:40px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px;}
.section-kicker{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);margin-bottom:12px;
}

/* ---------- magazine block ---------- */
.magazine-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:32px;
  align-items:stretch;
}
.magazine-hero{
  position:relative;
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-1);
  min-height:420px;
  transition:border-color .2s ease-out, box-shadow .2s ease-out, transform .2s ease-out;
}
.magazine-hero img{
  width:100%;height:100%;min-height:420px;
  object-fit:cover;
  transition:transform 240ms ease-out;
}
.magazine-hero:hover{border-color:rgba(185,255,59,.3);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.magazine-hero:hover img{transform:scale(1.04);}
.magazine-hero figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:80px 28px 26px;
  background:linear-gradient(180deg, rgba(10,18,16,0) 0%, rgba(10,18,16,.92) 78%);
}
.magazine-hero .cap-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,106,43,.16);
  color:#FFB御89;
  color:#FFB489;
  font-size:11px;font-weight:700;margin-bottom:12px;
}
.magazine-hero .cap-title{font-size:20px;font-weight:800;line-height:1.4;}
.magazine-hero .cap-desc{font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.7;}

.numbered-list{
  display:flex;flex-direction:column;
  border-radius:var(--r-md);
  border:1px solid var(--line-2);
  background:var(--card);
  overflow:hidden;
}
.numbered-list li{
  display:flex;gap:20px;align-items:flex-start;
  padding:22px 24px;
  border-bottom:1px solid var(--line-2);
  transition:background .2s ease-out;
}
.numbered-list li:last-child{border-bottom:0;}
.numbered-list li:hover{background:var(--card-2);}
.num{
  font-size:20px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.4;
  min-width:34px;
}
.num-item h3{font-size:16px;margin-bottom:6px;}
.num-item p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- card grid ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.svc-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out;
}
.svc-card:hover{transform:translateY(-2px);border-color:rgba(185,255,59,.3);box-shadow:var(--shadow-2);}
.svc-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.svc-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
.svc-card:hover .thumb img{transform:scale(1.04);}
.svc-card .badge-tag{
  position:absolute;top:12px;left:12px;
  height:24px;padding:0 12px;
  display:inline-flex;align-items:center;
  border-radius:var(--r-pill);
  background:rgba(10,18,16,.78);
  color:var(--brand);
  border:1px solid var(--line);
  font-size:11px;font-weight:700;
}
.svc-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.svc-card h3{font-size:17px;line-height:1.45;}
.svc-card:hover h3{color:var(--brand);}
.svc-card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
  margin-top:auto;padding-top:6px;
}
.meta-line .dot{color:var(--text-3);}
.meta-line .hl{color:var(--brand-2);}

/* ---------- process ---------- */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r-md);
  background:var(--card);
  border:1px solid var(--line-2);
  transition:border-color .2s ease-out, transform .2s ease-out;
}
.step:hover{border-color:rgba(185,255,59,.3);transform:translateY(-2px);}
.step::before{
  content:"";
  position:absolute;top:0;left:22px;width:44px;height:3px;
  background:var(--brand);border-radius:0 0 3px 3px;
}
.step-no{
  font-size:13px;font-weight:800;color:var(--brand-2);
  letter-spacing:.1em;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px;}
.accordion.faq-accordion{border-top:1px solid var(--line-2);}
.faq-accordion .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line-2);
}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  padding:22px 44px 22px 0;
  box-shadow:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-radius:0;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.faq-accordion .accordion-button::after{display:none;}
.faq-icon{color:var(--brand);font-size:13px;transition:transform .2s ease-out;flex:0 0 auto;}
.faq-accordion .accordion-button:not(.collapsed) .faq-icon{transform:rotate(45deg);}
.faq-accordion .accordion-body{
  padding:0 40px 24px 0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.75;
}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(90deg, rgba(185,255,59,.06) 0%, rgba(10,18,16,0) 60%), var(--bg-2);
  border-top:1px solid var(--line-2);
  border-bottom:1px solid var(--line-2);
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:28px;
  padding:56px 0 56px 24px;
  border-left:3px solid var(--brand);
}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;
  border-radius:var(--r-sm);
  background:var(--brand);
  color:#0A1210;
  font-size:15px;font-weight:700;
  transition:filter .2s ease-out, box-shadow .2s ease-out;
}
.btn-primary-solid:hover{color:#0A1210;filter:brightness(1.08);box-shadow:0 0 0 4px rgba(185,255,59,.16);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;
  border-radius:var(--r-sm);
  background:transparent;
  border:1px solid rgba(185,255,59,.4);
  color:var(--brand);
  font-size:15px;font-weight:700;
  transition:background .2s ease-out, border-color .2s ease-out;
}
.btn-outline-brand:hover{background:rgba(185,255,59,.1);color:var(--brand);border-color:rgba(185,255,59,.7);}
.btn-outline-brand i{transition:transform .2s ease-out;}
.btn-outline-brand:hover i{transform:translateX(3px);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg);
  border-top:1px solid var(--line-2);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.8;
  margin-top:18px;
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:18px;
  color:var(--text);
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);}
.contact-line{font-size:14px;color:var(--text-2);line-height:2;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;
  padding:22px 0 28px;
  border-top:1px solid var(--line-2);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 40px;}
  .section{padding:72px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .container{padding:0 28px;}
  .section{padding:64px 0;}
  .magazine-grid{grid-template-columns:1fr;}
  .magazine-hero{min-height:320px;}
  .magazine-hero img{min-height:320px;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .page-hero .container{padding-top:56px;padding-bottom:56px;}
  .hero-metrics{gap:28px;}
  .metric-num{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .brand-inner{height:56px;gap:14px;}
  .search-box{display:none;}
  .logo-text{font-size:17px;}
  .btn-ghost{display:none;}
  .channel-inner{height:44px;}
  .channel-link{height:44px;font-size:13px;padding:0 12px;}
  .section{padding:48px 0;}
  .page-hero h1{font-size:30px;}
  .magazine-hero .cap-title{font-size:17px;}
  .card-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr;}
  .cta-inner{padding:40px 0 40px 20px;}
  .cta-actions{width:100%;}
  .btn-primary-solid,.btn-outline-brand{flex:1 1 auto;height:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-accordion .accordion-button{font-size:15px;padding:18px 36px 18px 0;}
  .faq-accordion .accordion-body{padding:0 24px 20px 0;font-size:14px;}
}
@media (max-width:520px){
  .hero-metrics{gap:20px;margin-top:28px;}
  .metric-num{font-size:22px;}
  .metric-label{font-size:12px;}
  .numbered-list li{padding:18px 18px;gap:14px;}
  .num{font-size:17px;min-width:26px;}
}