/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --neon:#B4FF00;
  --neon-dark:#8FD400;
  --orange:#FF5C00;
  --dark:#0A0E13;
  --surface:#11171F;
  --nested:#1A2230;
  --text-main:#E8EAF0;
  --text-sub:#8B949E;
  --text-weak:#5B6470;
  --line:rgba(255,255,255,0.07);
  --line-neon:rgba(180,255,0,0.35);
  --r-card:10px;
  --r-btn:6px;
  --r-badge:4px;
  --shadow:0 1px 3px rgba(0,0,0,0.3);
  --shadow-hover:0 8px 24px rgba(0,0,0,0.45),0 0 0 1px rgba(180,255,0,0.12);
  --sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,'Segoe UI',sans-serif;
  --mono:'DIN Alternate','Roboto Mono','SF Mono',monospace;
}

/* ========== 基础 reset ========== */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);background:var(--dark);color:var(--text-main);line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:all .25s ease;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
a:focus,button:focus{outline:2px solid var(--neon);outline-offset:3px;}
.row{max-width:1200px;margin-left:auto;margin-right:auto;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ========== 导航 ========== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1200;height:72px;background:rgba(11,14,19,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(180,255,0,0.22);box-shadow:0 1px 8px rgba(180,255,0,0.12);transition:height .3s ease,background .3s ease;}
.site-header.scrolled{height:56px;background:rgba(11,14,19,0.97);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:flex;align-items:center;gap:9px;font-size:22px;font-weight:800;letter-spacing:.08em;color:#fff;white-space:nowrap;}
.logo-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--neon),var(--neon-dark));color:#0A0E13;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;box-shadow:0 0 12px rgba(180,255,0,0.3);}
.logo-dot{width:8px;height:8px;background:var(--neon);border-radius:50%;box-shadow:0 0 10px var(--neon);display:inline-block;}
.main-nav ul{display:flex;gap:38px;margin:0;padding:0;}
.main-nav a{color:#B6BEC9;font-size:15px;font-weight:500;position:relative;padding-bottom:6px;display:inline-block;}
.main-nav a::after{content:'';position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:0;height:2px;background:var(--neon);border-radius:2px;box-shadow:0 0 8px rgba(180,255,0,0.45);transition:width .25s ease;}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:#fff;text-shadow:0 0 8px rgba(180,255,0,0.4);}
.main-nav a.active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:16px;}
.nav-cta{height:40px;padding:0 28px;background:linear-gradient(135deg,#B4FF00,#8FD400);color:#0A0E13;border-radius:6px;font-weight:700;font-size:15px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 0 12px rgba(180,255,0,0.35);transition:all .25s ease;}
.nav-cta:hover{box-shadow:0 0 20px rgba(180,255,0,0.55);transform:translateY(-1px);}
.menu-toggle{display:none;width:40px;height:40px;background:transparent;border:none;color:#fff;font-size:22px;align-items:center;justify-content:center;border-radius:6px;}
.menu-toggle:hover{background:rgba(255,255,255,0.06);}

/* 移动抽屉 */
.mobile-drawer{position:fixed;top:0;right:-340px;width:340px;height:100vh;background:rgba(10,14,19,0.98);backdrop-filter:blur(12px);z-index:2000;padding:88px 32px 32px;display:flex;flex-direction:column;transition:right .3s ease;box-shadow:-8px 0 32px rgba(0,0,0,0.4);}
.mobile-drawer.open{right:0;}
.drawer-close{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:8px;background:rgba(255,255,255,0.06);border:none;color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;transition:all .25s;}
.drawer-close:hover{color:var(--neon);transform:rotate(90deg);}
.drawer-nav{margin:0;padding:0;display:flex;flex-direction:column;gap:20px;}
.drawer-nav a{display:block;font-size:24px;font-weight:600;color:#E8EAF0;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.06);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--neon);}
.drawer-search{margin-top:auto;}
.drawer-search input{width:100%;height:46px;background:var(--nested);border:none;border-radius:6px;padding:0 16px;color:#fff;font-size:14px;transition:box-shadow .25s;}
.drawer-search input:focus{outline:none;box-shadow:0 0 0 2px rgba(180,255,0,0.35);}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.55);z-index:1999;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;}
.drawer-overlay.show{opacity:1;visibility:visible;}

/* ========== Hero ========== */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,19,0.35) 0%,rgba(10,14,19,0.92) 100%),linear-gradient(90deg,rgba(10,14,19,0.85) 0%,rgba(10,14,19,0.2) 100%);}
.hero-outer{position:relative;z-index:2;width:100%;padding:120px 24px 56px;display:flex;flex-direction:column;justify-content:flex-end;max-width:1200px;margin:0 auto;}
.hero-inner{max-width:640px;animation:fadeUp .6s ease both;}
.hero-tag{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.18em;color:var(--neon);font-weight:600;margin-bottom:20px;}
.tag-line{width:16px;height:2px;background:var(--neon);border-radius:2px;box-shadow:0 0 8px rgba(180,255,0,0.6);display:inline-block;}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1.15;color:#fff;letter-spacing:-0.01em;text-shadow:0 2px 20px rgba(0,0,0,0.5);margin-bottom:20px;animation:fadeUp .6s ease both;animation-delay:.1s;}
.hero-sub{font-size:16px;line-height:1.6;color:#C6CED8;max-width:520px;margin-bottom:32px;animation:fadeUp .6s ease both;animation-delay:.2s;}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;animation:fadeUp .6s ease both;animation-delay:.3s;}
.btn-primary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 28px;border-radius:6px;font-size:15px;font-weight:700;transition:all .25s ease;border:none;}
.btn-primary{background:linear-gradient(135deg,#B4FF00,#8FD400);color:#0A0E13;box-shadow:0 0 12px rgba(180,255,0,0.35);}
.btn-primary:hover{box-shadow:0 0 20px rgba(180,255,0,0.55);transform:translateY(-1px);}
.btn-primary:active{transform:scale(0.98);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.25);color:#fff;}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);box-shadow:0 0 12px rgba(180,255,0,0.1);}
.hero-stats{display:flex;border-top:1px solid rgba(255,255,255,0.08);padding-top:26px;margin-top:60px;animation:fadeUp .6s ease both;animation-delay:.4s;}
.stat-item{flex:1;padding-right:20px;}
.stat-item + .stat-item{border-left:1px solid rgba(255,255,255,0.08);padding-left:20px;}
.stat-num{font-family:var(--mono);font-size:clamp(28px,4vw,42px);font-weight:700;color:var(--neon);line-height:1.2;}
.stat-label{font-size:13px;color:var(--text-weak);margin-top:6px;}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

/* ========== 通用区块 ========== */
.section{padding:80px 0;}
.section-alt{background:rgba(17,23,31,0.4);}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;gap:16px;flex-wrap:wrap;}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;color:#fff;position:relative;padding-left:18px;}
.section-title::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:24px;background:var(--neon);border-radius:4px;box-shadow:0 0 12px rgba(180,255,0,0.35);}
.view-all{color:var(--text-sub);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:transform .25s ease,color .25s ease;}
.view-all:hover{color:var(--neon);transform:translateX(4px);}

/* ========== 热门赛事横滑 ========== */
.trending-cards{display:flex;overflow-x:auto;gap:16px;padding-bottom:12px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:rgba(180,255,0,0.4) transparent;}
.trending-cards::-webkit-scrollbar{height:3px;}
.trending-cards::-webkit-scrollbar-track{background:rgba(255,255,255,0.04);border-radius:3px;}
.trending-cards::-webkit-scrollbar-thumb{background:rgba(180,255,0,0.4);border-radius:3px;}
.trending-card{flex:0 0 280px;scroll-snap-align:start;background:var(--surface);border-radius:10px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.trending-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.trending-cover{height:160px;position:relative;overflow:hidden;background:var(--nested);}
.trending-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.trending-card:hover .trending-cover img{transform:scale(1.05);}
.trending-badge{position:absolute;left:12px;bottom:10px;background:rgba(0,0,0,0.55);color:var(--neon);font-size:13px;font-weight:600;padding:2px 10px;border-radius:4px;backdrop-filter:blur(4px);}
.trending-body{padding:14px 16px;}
.trending-body h3{font-size:15px;font-weight:700;line-height:1.5;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0;}
.trending-card:hover .trending-body h3{color:var(--neon);}

/* ========== 最新资讯（CMS） ========== */
.feature-card{display:flex;background:var(--surface);border-radius:10px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:20px;transition:transform .25s ease,box-shadow .25s ease;}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.feature-media{flex:0 0 58%;min-height:240px;position:relative;background:var(--nested);}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-body{flex:1;padding:24px;display:flex;flex-direction:column;gap:10px;}
.badge{display:inline-block;background:rgba(180,255,0,0.12);color:var(--neon);font-size:13px;font-weight:600;padding:2px 10px;border-radius:4px;width:fit-content;}
.feature-title{font-size:20px;font-weight:800;line-height:1.5;color:#fff;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-excerpt{font-size:14px;line-height:1.7;color:var(--text-sub);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-meta{display:flex;gap:18px;font-size:12px;color:var(--text-weak);font-family:var(--mono);margin-top:auto;}
.feature-meta i{color:var(--neon);margin-right:4px;}
.vertical-list{display:flex;flex-direction:column;}
.list-row{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center;transition:background .25s ease;}
.list-row:last-child{border-bottom:none;}
.list-row:hover{background:rgba(255,255,255,0.02);}
.list-thumb{width:80px;height:60px;border-radius:6px;object-fit:cover;flex-shrink:0;background:var(--nested);transition:box-shadow .25s ease;}
.list-row:hover .list-thumb{box-shadow:0 0 0 2px rgba(180,255,0,0.5);}
.list-info{flex:1;min-width:0;}
.list-title{font-size:14px;font-weight:600;line-height:1.5;color:var(--text-main);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .25s ease;}
.list-row:hover .list-title{color:var(--neon);}
.list-excerpt{font-size:12px;color:var(--text-weak);margin:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.list-date{font-size:12px;color:var(--text-weak);font-family:var(--mono);margin-top:4px;display:inline-block;}
.latest-panel{background:var(--surface);border-radius:10px;padding:24px;box-shadow:var(--shadow);height:100%;}
.panel-title{font-size:17px;font-weight:700;color:#fff;margin:0 0 16px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.latest-list{display:flex;flex-direction:column;}
.latest-item{display:block;padding:12px 0;border-bottom:1px solid var(--line);transition:background .25s ease;}
.latest-item:hover{background:rgba(255,255,255,0.02);}
.latest-time{display:block;font-family:var(--mono);font-size:12px;color:var(--text-weak);margin-bottom:4px;transition:color .25s ease;}
.latest-title{display:block;font-size:14px;font-weight:500;line-height:1.5;color:var(--text-main);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .25s ease,transform .25s ease;}
.latest-item:hover .latest-title{color:var(--neon);transform:translateX(-4px);}
.load-more{display:block;text-align:center;margin-top:20px;padding:10px 0;border:1px dashed rgba(180,255,0,0.4);border-radius:6px;color:var(--neon);font-size:14px;font-weight:500;transition:all .25s ease;}
.load-more:hover{border-style:solid;background:rgba(180,255,0,0.08);}
.empty-state{background:rgba(255,255,255,0.02);border:1px solid var(--line);border-radius:10px;padding:40px;text-align:center;}
.empty-circle{width:84px;height:84px;border:1px dashed var(--text-weak);border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--text-weak);font-size:24px;}
.empty-state p{color:var(--text-sub);font-size:14px;margin:0;}
.empty-mini{padding:20px 0;color:var(--text-weak);font-size:14px;text-align:center;}

/* ========== Bento 分类 ========== */
.bento-card{border-radius:10px;overflow:hidden;position:relative;min-height:200px;background-size:cover;background-position:center;display:block;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;}
.bento-card::before{content:'';position:absolute;inset:0;background:rgba(10,14,19,0.55);transition:background .25s ease;}
.bento-card:hover::before{background:rgba(10,14,19,0.68);}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.bento-content{position:relative;z-index:2;padding:22px;display:flex;flex-direction:column;justify-content:space-between;height:100%;min-height:200px;}
.bento-icon{width:40px;height:40px;border-radius:8px;background:rgba(180,255,0,0.15);color:var(--neon);display:flex;align-items:center;justify-content:center;font-size:18px;}
.bento-info h3{font-size:22px;font-weight:800;color:#fff;margin:0 0 4px;}
.bento-info p{font-size:13px;color:var(--text-sub);margin:0;}
.bento-card:hover .bento-info h3{color:var(--neon);}
.row-bento .columns{margin-bottom:20px;}

/* ========== CTA ========== */
.cta-section{position:relative;padding:80px 0;background:linear-gradient(135deg,#0A0E13 0%,#11171F 60%,#1A2230 100%);overflow:hidden;}
.cta-section::before{content:'';position:absolute;width:500px;height:500px;top:-180px;right:-100px;background:linear-gradient(45deg,rgba(180,255,0,0.08),transparent);border-radius:50%;pointer-events:none;}
.cta-section::after{content:'';position:absolute;left:15%;bottom:-50px;width:300px;height:300px;background:linear-gradient(45deg,rgba(255,92,0,0.06),transparent);border-radius:50%;pointer-events:none;}
.cta-section .container{position:relative;z-index:2;}
.cta-inner{text-align:center;max-width:620px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;line-height:1.3;margin-bottom:14px;}
.cta-inner p{font-size:15px;color:var(--text-sub);margin-bottom:30px;}
.cta-actions{display:flex;gap:18px;justify-content:center;align-items:center;flex-wrap:wrap;}
.cta-link{color:#fff;font-size:14px;font-weight:500;border-bottom:1px solid var(--neon);padding-bottom:2px;}
.cta-link:hover{color:var(--neon);border-bottom-color:var(--neon);}

/* ========== FAQ 手风琴 ========== */
.faq-wrap{max-width:800px;margin:0 auto;}
.accordion{background:transparent;border:none;margin:0;}
.accordion-item{background:transparent;border-bottom:1px solid rgba(255,255,255,0.06);transition:background .25s ease;}
.accordion-title{position:relative;background:transparent;border:none;color:var(--text-main);font-size:16px;font-weight:600;padding:22px 64px 22px 20px;border-left:3px solid transparent;transition:border-color .25s ease,color .25s ease,background .25s ease;}
.accordion-title::before,.accordion-title::after{display:none !important;}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--neon);border-left-color:var(--neon);}
.accordion-item.is-active .accordion-title{color:var(--neon);border-left-color:var(--neon);}
.faq-icon{position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:var(--nested);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-sub);transition:transform .3s ease,background .3s ease,color .3s ease;}
.accordion-item.is-active .faq-icon{transform:translateY(-50%) rotate(45deg);background:var(--neon);color:#0A0E13;}
.accordion-content{background:var(--surface);border:none;color:var(--text-sub);font-size:14px;line-height:1.8;padding:0 20px 20px;border-radius:8px;margin-left:3px;transition:background .25s ease;}
.accordion-item.is-active .accordion-content{background:#1A2230;}

/* ========== 页脚 ========== */
.site-footer{background:#0B0E13;border-top:1px solid transparent;box-shadow:inset 0 1px 0 rgba(180,255,0,0.2);padding-top:64px;}
.footer-grid{padding-bottom:40px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--text-sub);line-height:1.7;margin-bottom:18px;max-width:280px;}
.social-links{display:flex;gap:12px;}
.social-links a{width:36px;height:36px;border-radius:8px;background:var(--surface);color:var(--text-sub);display:flex;align-items:center;justify-content:center;font-size:15px;transition:all .25s ease;}
.social-links a:hover{color:var(--neon);box-shadow:0 0 0 1px rgba(180,255,0,0.4);}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin:0 0 18px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13px;color:var(--text-sub);transition:color .25s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact p{font-size:13px;color:var(--text-sub);margin-bottom:10px;display:flex;gap:10px;align-items:center;}
.footer-contact i{color:var(--neon);width:16px;font-size:14px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding:24px 0 30px;text-align:center;}
.footer-copy{font-size:13px;color:var(--text-weak);margin-bottom:10px;}
.friend-links{font-size:13px;color:var(--text-weak);display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.friend-links span{color:var(--text-weak);}
.friend-links a{color:var(--text-weak);transition:color .25s ease;}
.friend-links a:hover{color:#fff;}

/* ========== 响应式 ========== */
@media screen and (max-width:1023px){
  .feature-card{flex-direction:column;}
  .feature-media{min-height:220px;}
}

@media screen and (max-width:639px){
  .nav-inner{padding:0 16px;}
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .nav-cta{padding:0 16px;font-size:14px;}
  .hero{min-height:82vh;}
  .hero-outer{padding:100px 16px 32px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-stats{flex-wrap:wrap;gap:14px;margin-top:40px;}
  .stat-item{flex:1 1 40%;padding-right:0;}
  .stat-item + .stat-item{border-left:none;padding-left:0;}
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .row-bento .columns{width:100% !important;}
  .trending-card{flex:0 0 78vw;}
  .trending-cover{height:130px;}
  .feature-title{font-size:18px;}
  .cta-actions{gap:12px;flex-direction:column;}
  .footer-grid .columns{margin-bottom:32px;}
}

/* roulang page: category1 */
:root {
            --bg: #0A0E13;
            --bg-elev: #11171F;
            --bg-nest: #1A2230;
            --line: rgba(255, 255, 255, 0.07);
            --line-neon: rgba(180, 255, 0, 0.35);
            --text: #E8EAF0;
            --text-sub: #8B949E;
            --text-dim: #5B6470;
            --neon: #B4FF00;
            --neon-dark: #8FD400;
            --fire: #FF5C00;
            --radius-card: 10px;
            --radius-btn: 6px;
            --radius-badge: 4px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(180, 255, 0, 0.12);
            --shadow-neon: 0 0 12px rgba(180, 255, 0, 0.35);
            --transition: 0.25s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", "SF Mono", monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul {
            list-style: none;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .grid-container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media screen and (max-width: 639px) {
            .container {
                padding: 0 16px;
            }
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            background: linear-gradient(135deg, var(--neon) 0%, var(--neon-dark) 100%);
            color: #0A0E13;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition);
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 0 20px rgba(180, 255, 0, 0.55);
            color: #0A0E13;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            transition: all var(--transition);
        }
        .btn-ghost:hover {
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 12px rgba(180, 255, 0, 0.1);
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .text-link {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: var(--neon);
            transition: color var(--transition);
        }
        .text-link:hover {
            color: var(--neon);
        }
        .badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            background: rgba(10, 14, 19, 0.72);
            color: var(--neon);
            border-radius: var(--radius-badge);
            padding: 2px 10px;
            line-height: 1.6;
        }
        .badge-fire {
            background: rgba(255, 92, 0, 0.16);
            color: var(--fire);
        }
        .badge-blue {
            background: rgba(0, 229, 255, 0.14);
            color: #00E5FF;
        }
        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(11, 14, 19, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(180, 255, 0, 0.18);
            box-shadow: 0 1px 8px rgba(180, 255, 0, 0.08);
            transition: height 0.3s ease, background 0.3s ease;
        }
        .site-header.scrolled {
            height: 56px;
            background: rgba(11, 14, 19, 0.92);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.08em;
            color: #fff;
            line-height: 1;
            flex-shrink: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--neon), var(--neon-dark));
            color: #0A0E13;
            font-size: 18px;
            font-weight: 800;
            border-radius: 8px;
            letter-spacing: 0;
        }
        .logo-dot {
            width: 8px;
            height: 8px;
            background: var(--neon);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(180, 255, 0, 0.8);
            display: inline-block;
            margin-left: 2px;
        }
        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
        }
        .main-nav ul li a {
            position: relative;
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            color: #B6BEC9;
            padding: 8px 2px;
            line-height: 1.4;
            transition: color var(--transition);
        }
        .main-nav ul li a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--neon), var(--neon-dark));
            border-radius: 2px;
            transition: width 0.25s ease, left 0.25s ease;
        }
        .main-nav ul li a:hover {
            color: #fff;
        }
        .main-nav ul li a:hover::after {
            width: 100%;
            left: 0;
        }
        .main-nav ul li a.active {
            color: #fff;
            font-weight: 600;
            text-shadow: 0 0 12px rgba(180, 255, 0, 0.3);
        }
        .main-nav ul li a.active::after {
            width: 100%;
            left: 0;
            height: 2px;
            box-shadow: 0 0 8px rgba(180, 255, 0, 0.5);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            padding: 0;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media screen and (max-width: 639px) {
            .hamburger {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(10, 14, 19, 0.98);
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 999;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav ul {
                flex-direction: column;
                gap: 36px;
                text-align: center;
                padding: 0;
            }
            .main-nav ul li a {
                font-size: 24px;
                color: #fff;
                padding: 8px 16px;
            }
            .nav-actions .btn-primary {
                display: none;
            }
        }
        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            height: 300px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 19, 0.35) 0%, rgba(10, 14, 19, 0.92) 100%);
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            padding-top: 20px;
            padding-bottom: 20px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--neon);
            text-transform: uppercase;
            margin-bottom: 14px;
            padding-left: 16px;
            position: relative;
        }
        .hero-tag::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            box-shadow: 0 0 6px rgba(180, 255, 0, 0.6);
        }
        .page-hero h1 {
            font-size: clamp(28px, 4.5vw, 40px);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .hero-sub {
            font-size: 15px;
            color: #C6CED8;
            line-height: 1.6;
            margin-bottom: 24px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        @media screen and (max-width: 639px) {
            .page-hero {
                height: 220px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
            }
        }
        /* ===== Stats ===== */
        .stats-section {
            background: var(--bg-elev);
            border-bottom: 1px solid var(--line);
            padding: 48px 0;
        }
        .stats-row {
            margin: 0;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }
        .stats-row .columns:last-child .stat-item {
            border-right: none;
        }
        .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-btn);
            background: rgba(180, 255, 0, 0.08);
            color: var(--neon);
            font-size: 16px;
            margin-bottom: 10px;
        }
        .stat-num {
            display: block;
            font-family: var(--font-mono);
            font-size: clamp(26px, 4vw, 42px);
            font-weight: 700;
            color: var(--neon);
            line-height: 1.2;
            text-shadow: 0 0 20px rgba(180, 255, 0, 0.25);
        }
        .stat-label {
            display: block;
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }
        @media screen and (max-width: 639px) {
            .stats-section {
                padding: 24px 0;
            }
            .stat-item {
                border-right: none;
                padding: 12px 8px;
            }
            .stat-item:nth-child(odd) {
                border-right: 1px solid rgba(255, 255, 255, 0.05);
            }
        }
        /* ===== Section Head ===== */
        .section-head {
            margin-bottom: 48px;
        }
        .section-head h2 {
            position: relative;
            padding-left: 18px;
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.005em;
            color: #fff;
            margin-bottom: 10px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--neon);
            border-radius: 2px;
            box-shadow: var(--shadow-neon);
        }
        .section-desc {
            color: var(--text-sub);
            font-size: 15px;
            margin-left: 18px;
            max-width: 560px;
        }
        /* ===== Cards Grid ===== */
        .cards-section {
            padding: 96px 0;
        }
        .content-card {
            background: var(--bg-elev);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            margin-bottom: 24px;
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(180, 255, 0, 0.15);
        }
        .card-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg-nest);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .content-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .card-cover .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .content-card:hover .card-body h3 {
            color: var(--neon);
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 12px;
            color: var(--text-dim);
        }
        .card-meta .read-more {
            color: var(--text-sub);
            transition: color var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-meta .read-more:hover {
            color: var(--neon);
            transform: translateX(2px);
        }
        @media screen and (max-width: 1023px) {
            .cards-section {
                padding: 56px 0;
            }
        }
        /* ===== Scenarios ===== */
        .scenario-section {
            padding: 96px 0;
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .scenario-card {
            position: relative;
            background: var(--bg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: all 0.3s ease;
        }
        .scenario-card:hover {
            border-color: rgba(180, 255, 0, 0.2);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card.featured {
            border-color: rgba(180, 255, 0, 0.18);
            background: linear-gradient(180deg, rgba(17, 23, 31, 0.9) 0%, rgba(26, 34, 48, 0.9) 100%);
            transform: translateY(-6px);
        }
        .scenario-card.featured:hover {
            transform: translateY(-9px);
        }
        .scenario-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(180, 255, 0, 0.08);
            color: var(--neon);
            font-size: 20px;
            margin-bottom: 18px;
        }
        .scenario-card:nth-child(2) .scenario-icon,
        .scenario-card.featured .scenario-icon {
            background: rgba(255, 92, 0, 0.1);
            color: var(--fire);
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media screen and (max-width: 1023px) {
            .scenario-section {
                padding: 56px 0;
            }
            .scenario-card.featured {
                transform: none;
            }
            .scenario-card.featured:hover {
                transform: translateY(-3px);
            }
        }
        /* ===== Steps ===== */
        .steps-section {
            padding: 96px 0;
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            padding: 28px 24px;
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }
        .step-item:hover {
            border-color: rgba(180, 255, 0, 0.15);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: rgba(180, 255, 0, 0.25);
            line-height: 1;
            margin-bottom: 14px;
            transition: color 0.3s ease;
        }
        .step-item:hover .step-num {
            color: var(--neon);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .step-item::after {
            content: '';
            position: absolute;
            right: -14px;
            top: 50%;
            width: 4px;
            height: 4px;
            background: var(--neon);
            border-radius: 50%;
            opacity: 0.5;
        }
        .step-item:last-child::after {
            display: none;
        }
        @media screen and (max-width: 1023px) {
            .steps-section {
                padding: 56px 0;
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 639px) {
            .steps-list {
                grid-template-columns: 1fr;
            }
            .step-item::after {
                display: none;
            }
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .faq-wrap {
            max-width: 800px;
        }
        .accordion {
            background: transparent;
            border: none;
            margin: 0;
        }
        .accordion-item {
            background: var(--bg-elev);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: background 0.25s ease, border-color 0.25s ease;
        }
        .accordion-item.is-active {
            border-color: rgba(180, 255, 0, 0.15);
            background: var(--bg-nest);
        }
        .accordion-title {
            position: relative;
            display: block;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            padding: 20px 56px 20px 24px;
            border: none;
            background: transparent;
            line-height: 1.5;
            transition: color 0.25s ease;
        }
        .accordion-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20px;
            bottom: 20px;
            width: 3px;
            background: var(--neon);
            border-radius: 2px;
            opacity: 0;
            transition: opacity 0.25s ease;
        }
        .accordion-item.is-active .accordion-title::before {
            opacity: 1;
        }
        .accordion-title:hover {
            color: var(--neon);
        }
        .accordion-title::after {
            content: '+';
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            background: #1A2230;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--neon);
            line-height: 1;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(45deg);
            background: rgba(180, 255, 0, 0.15);
        }
        .accordion-content {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            background: transparent;
            border: none;
        }
        .accordion-content p {
            margin-bottom: 0;
        }
        @media screen and (max-width: 1023px) {
            .faq-section {
                padding: 56px 0;
            }
        }
        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
        }
        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, #0A0E13 0%, #11171F 60%, #1A2230 100%);
            border-radius: 16px;
            padding: 60px 40px;
            border: 1px solid rgba(180, 255, 0, 0.12);
            overflow: hidden;
            text-align: center;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 200px;
            height: 200px;
            background: linear-gradient(45deg, rgba(180, 255, 0, 0.06) 0%, transparent 60%);
            border-radius: 50%;
            filter: blur(30px);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon), transparent);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 15px;
            color: #C6CED8;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        @media screen and (max-width: 639px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-banner {
                padding: 40px 20px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn-primary,
            .cta-actions .text-link {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #0B0E13;
            border-top: 1px solid rgba(180, 255, 0, 0.18);
            box-shadow: 0 1px 8px rgba(180, 255, 0, 0.08);
            padding-top: 64px;
        }
        .footer-grid {
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 280px;
        }
        .social-links {
            display: flex;
            gap: 10px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--bg-nest);
            border-radius: 8px;
            color: var(--text-sub);
            font-size: 14px;
            transition: all var(--transition);
        }
        .social-links a:hover {
            color: var(--neon);
            border: 1px solid rgba(180, 255, 0, 0.3);
            box-shadow: 0 0 8px rgba(180, 255, 0, 0.1);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            margin-top: 8px;
        }
        .footer-links ul {
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links ul li a {
            font-size: 13px;
            color: var(--text-sub);
            transition: color var(--transition);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-contact p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 2;
            margin-bottom: 8px;
        }
        .footer-contact p i {
            color: var(--neon);
            margin-right: 6px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--text-dim);
            margin-bottom: 10px;
        }
        .friend-links {
            font-size: 13px;
            color: var(--text-dim);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 16px;
        }
        .friend-links a {
            color: var(--text-dim);
            transition: color var(--transition);
        }
        .friend-links a:hover {
            color: var(--neon);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        @media screen and (max-width: 639px) {
            .site-footer {
                padding-top: 40px;
            }
            .footer-bottom {
                text-align: left;
                padding: 16px 0;
            }
            .footer-copy {
                margin-bottom: 6px;
            }
            .friend-links {
                justify-content: flex-start;
                line-height: 1.8;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: article */
:root {
  --bg: #0A0E13;
  --surface: #11171F;
  --surface-2: #1A2230;
  --text: #E8EAF0;
  --text-2: #8B949E;
  --text-3: #5B6470;
  --accent: #B4FF00;
  --accent-2: #FF5C00;
  --border: rgba(255,255,255,0.07);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.45), 0 0 0 1px rgba(180,255,0,0.08);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "DIN Alternate", "Roboto Mono", "SF Mono", monospace;
  --space-section: 96px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; transition: color .25s ease, border-color .25s ease, background-color .25s ease; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
body.nav-open { overflow: hidden; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: none;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, border-color .25s ease, color .25s ease, filter .25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, #B4FF00 0%, #8FD400 100%);
  color: #0A0E13;
  box-shadow: 0 0 12px rgba(180,255,0,0.35);
}
.btn-primary:hover { color: #0A0E13; filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 0 20px rgba(180,255,0,0.55); }
.btn-primary:active { transform: scale(0.98); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 12px rgba(180,255,0,0.1); }
.btn-sm { height: 40px; padding: 0 22px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #0B0E13;
  border-bottom: 1px solid rgba(180,255,0,0.35);
  box-shadow: 0 1px 8px rgba(180,255,0,0.15);
  height: 72px;
  transition: height .25s ease, background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  height: 56px;
  background: rgba(11,14,19,0.92);
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  white-space: nowrap;
}
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, #B4FF00 0%, #8FD400 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #0A0E13;
}
.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(180,255,0,0.8);
}
.logo:hover { color: #fff; }

.main-nav ul { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: #B6BEC9;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  display: inline-block;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.active { color: #fff; }
.main-nav a.active::after { transform: scaleX(1); box-shadow: 0 0 8px rgba(180,255,0,0.6); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-bottom { display: none; margin-top: 48px; }
.nav-search {
  width: 100%;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: none;
  padding: 0 16px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 16px;
}
.nav-search:focus { outline: none; box-shadow: 0 0 0 2px rgba(180,255,0,0.5); }

.breadcrumb-wrap {
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb {
  font-size: 13px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-3); }
.breadcrumb .current { color: #fff; font-weight: 500; }

.article-page { padding: 56px 0 96px; }
.article-wrap { max-width: 720px; margin: 0 auto; }
.article-header { text-align: center; margin-bottom: 40px; }
.article-header h1 {
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.4;
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px;
}
.article-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--text-3);
}
.article-meta i { color: var(--accent); margin-right: 6px; }

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #A6B0BC;
  word-break: break-word;
}
.article-content p { margin: 0 0 24px; }
.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin: 40px 0 16px;
  padding-left: 14px;
  position: relative;
  line-height: 1.35;
}
.article-content h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(180,255,0,0.4);
}
.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin: 32px 0 12px;
  padding-left: 10px;
  position: relative;
}
.article-content h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: var(--accent-2);
}
.article-content blockquote {
  border-left: 3px solid var(--accent);
  background: #141A22;
  padding: 20px;
  border-radius: var(--radius-md);
  margin: 24px 0;
  color: #B6BEC9;
}
.article-content blockquote p { margin: 0; }
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  margin: 24px 0;
}
.article-content ul, .article-content ol { margin: 0 0 24px; padding-left: 22px; }
.article-content ul li, .article-content ol li { margin-bottom: 8px; }
.article-content a { color: var(--accent); text-decoration: underline; }
.article-content a:hover { text-decoration: none; }

.article-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-start;
}
.back-link {
  font-size: 14px;
  color: var(--text-2);
  transition: color .25s ease;
}
.back-link i { margin-right: 6px; transition: transform .25s ease; }
.back-link:hover { color: var(--accent); }
.back-link:hover i { transform: translateX(-4px); }

.related-section { margin-top: 80px; }
.section-title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: #fff;
  padding-left: 16px;
  position: relative;
  margin: 0 0 32px;
  line-height: 1.3;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--accent);
}
.related-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(180,255,0,0.4) transparent;
}
.related-scroll::-webkit-scrollbar { height: 3px; background: transparent; }
.related-scroll::-webkit-scrollbar-thumb { background: rgba(180,255,0,0.4); border-radius: 3px; }
.related-card {
  flex: 0 0 220px;
  width: 220px;
  scroll-snap-align: start;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(180,255,0,0.35);
}
.related-card .card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
}
.related-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.related-card:hover .card-cover img { transform: scale(1.05); }
.related-card .card-body { padding: 14px; }
.rc-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 8px;
  min-height: 42px;
}
.rc-summary {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.cta-banner {
  margin-top: 80px;
  background: linear-gradient(135deg, #0A0E13 0%, #11171F 60%, #1A2230 100%);
  border-radius: var(--radius);
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -40px;
  right: 20%;
  width: 220px;
  height: 220px;
  background: rgba(180,255,0,0.06);
  border-radius: 50%;
  filter: blur(60px);
}
.cta-banner .cta-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
  position: relative;
  z-index: 1;
}
.cta-banner .cta-desc {
  font-size: 15px;
  color: #A6B0BC;
  margin: 0 0 28px;
  position: relative;
  z-index: 1;
}
.btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.btn-link {
  color: #fff;
  text-decoration: underline;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
}
.btn-link:hover { color: var(--accent); }

.article-empty {
  max-width: 560px;
  margin: 60px auto;
  text-align: center;
  padding: 48px 24px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius);
}
.empty-icon {
  width: 84px;
  height: 84px;
  margin: 0 auto 24px;
  border: 2px dashed rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 30px;
}
.empty-title {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
  line-height: 1.4;
}
.article-empty p {
  font-size: 14px;
  color: var(--text-2);
  margin: 0 0 24px;
}

.site-footer {
  background: #0B0E13;
  border-top: 1px solid rgba(180,255,0,0.35);
  padding: 56px 0 0;
}
.footer-grid { padding-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin: 16px 0 20px;
  padding-right: 8px;
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
}
.footer-links ul li { margin-bottom: 8px; }
.footer-links ul a {
  font-size: 13px;
  color: var(--text-2);
  transition: color .25s ease;
}
.footer-links ul a:hover { color: #fff; }
.footer-contact p {
  font-size: 13px;
  color: var(--text-2);
  margin: 0 0 10px;
}
.footer-contact i {
  color: var(--accent);
  margin-right: 6px;
}
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 16px;
  border: 1px solid transparent;
  transition: all .25s ease;
}
.social-links a:hover {
  color: var(--accent);
  border-color: rgba(180,255,0,0.4);
  box-shadow: 0 0 10px rgba(180,255,0,0.15);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-copy {
  text-align: center;
  font-size: 13px;
  color: var(--text-3);
  margin: 0 0 8px;
}
.friend-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  font-size: 13px;
  color: var(--text-3);
}
.friend-links span { color: var(--text-3); }
.friend-links a { font-size: 13px; color: var(--text-3); }
.friend-links a:hover { color: var(--accent); }

@media screen and (max-width: 1024px) {
  :root { --space-section: 72px; }
  .article-page { padding: 40px 0 80px; }
  .cta-banner { padding: 48px 32px; }
}

@media screen and (max-width: 768px) {
  .hamburger { display: flex; }
  .header-actions .btn-primary { display: none; }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(360px, 88vw);
    height: 100vh;
    background: rgba(10,14,19,0.98);
    transform: translateX(100%);
    transition: transform .35s ease;
    z-index: 90;
    padding: 100px 32px 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }
  body.nav-open .main-nav { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: center; gap: 20px; }
  .main-nav a { font-size: 22px; padding: 12px 0; display: block; text-align: center; }
  .main-nav a::after { display: none; }
  .nav-mobile-bottom { display: block; }
  .article-page { padding: 36px 0 64px; }
  .article-wrap { padding: 0; }
  .article-header h1 { font-size: 24px; }
  .related-scroll { margin-right: -16px; padding-right: 16px; }
  .related-card { flex-basis: 200px; width: 200px; }
  .cta-banner { padding: 40px 24px; }
  .btn-group { flex-direction: column; align-items: center; }
}

@media screen and (max-width: 639px) {
  .container { padding: 0 16px; }
  .site-header { height: 64px; }
  .logo { font-size: 18px; }
  .logo-mark { width: 30px; height: 30px; font-size: 16px; }
  .article-page { padding: 28px 0 56px; }
  .article-header { margin-bottom: 28px; }
  .article-meta { gap: 14px; font-size: 12px; }
  .article-content { font-size: 15px; line-height: 1.85; }
  .article-content h2 { font-size: 19px; }
  .article-content h3 { font-size: 17px; }
  .related-scroll { gap: 12px; }
  .related-card { flex-basis: 78vw; width: 78vw; }
  .cta-banner { margin-top: 56px; padding: 36px 18px; }
  .cta-banner .btn-group .btn { width: 100%; }
  .footer-bottom { text-align: center; }
  .friend-links { flex-direction: column; align-items: center; gap: 6px; }
}

@media screen and (max-width: 520px) {
  .breadcrumb-wrap { padding: 10px 0; }
  .breadcrumb { font-size: 12px; gap: 6px; }
  .article-header h1 { font-size: 21px; }
  .article-bottom { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}