/* roulang page: index */
:root{
  --primary:#4f46e5;
  --primary-dark:#3730a3;
  --primary-light:#818cf8;
  --accent:#06b6d4;
  --accent-light:#22d3ee;
  --gold:#f59e0b;
  --success:#10b981;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --surface-alt:#f8fafc;
  --dark:#0b1220;
  --dark-2:#111a2e;
  --text:#0f172a;
  --text-weak:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(79,70,229,.14);
  --transition:.25s ease;
  --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary)}
button{font-family:var(--font);cursor:pointer}
input,textarea{font-family:var(--font);outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0;position:relative}
.section-sub{padding-top:0}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:rgba(79,70,229,.08);border:1px solid rgba(79,70,229,.16);padding:6px 16px;border-radius:100px;letter-spacing:.5px;margin-bottom:14px}
.section-tag i{font-size:12px}
.section-title{font-size:36px;line-height:1.25;font-weight:800;color:var(--text);letter-spacing:-.5px}
.section-desc{font-size:16px;color:var(--text-weak);margin-top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 26px;border-radius:100px;border:2px solid transparent;transition:var(--transition);line-height:1.4;white-space:nowrap}
.btn i{font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(79,70,229,.36);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(6px)}
.btn-outline:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-ghost{border-color:var(--border);color:var(--text);background:var(--surface)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-lg{padding:16px 36px;font-size:17px}
.btn-sm{padding:8px 18px;font-size:14px}
.btn:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(226,232,240,.8);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(15,23,42,.06)}
.nav-wrap{display:flex;align-items:center;height:72px;gap:28px}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 6px 16px rgba(79,70,229,.32)}
.logo-text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:-.3px;line-height:1.2}
.logo-text span{display:block;font-size:11px;color:var(--primary);font-weight:700;letter-spacing:2px;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-menu a{font-size:15px;font-weight:500;color:var(--text-weak);padding:9px 16px;border-radius:100px;position:relative}
.nav-menu a:hover{color:var(--primary);background:rgba(79,70,229,.06)}
.nav-menu a.active{color:var(--primary);background:rgba(79,70,229,.1);font-weight:600}
.nav-menu a.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:18px;height:3px;border-radius:4px;background:var(--primary)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{display:flex;align-items:center;background:var(--surface-alt);border:1px solid var(--border);border-radius:100px;padding:0 14px;height:40px;width:220px;transition:var(--transition)}
.nav-search:hover,.nav-search:focus-within{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.nav-search i{color:var(--text-weak);font-size:13px;margin-right:8px}
.nav-search input{border:none;background:transparent;font-size:13px;color:var(--text);width:100%}
.nav-search input::placeholder{color:#94a3b8}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-entry{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#fff;background:var(--primary);border-radius:100px;padding:8px 20px;transition:var(--transition);box-shadow:0 4px 12px rgba(79,70,229,.24)}
.nav-entry:hover{background:var(--primary-dark);transform:translateY(-1px);color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.32)}
.mobile-toggle{display:none;width:42px;height:42px;border-radius:10px;background:var(--surface-alt);border:1px solid var(--border);color:var(--text);font-size:18px;align-items:center;justify-content:center}

/* Hero */
.hero{position:relative;padding:180px 0 120px;background:linear-gradient(135deg,rgba(12,16,32,.96) 0%,rgba(30,27,75,.9) 50%,rgba(8,60,76,.88) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden}
.hero::before{content:'';position:absolute;top:-60px;right:-60px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.22),transparent 70%)}
.hero::after{content:'';position:absolute;bottom:-80px;left:-40px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(79,70,229,.28),transparent 70%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);border-radius:100px;padding:6px 18px;font-size:13px;font-weight:500;color:#e0e7ff;margin-bottom:20px}
.hero-badge i{color:var(--accent-light)}
.hero h1{font-size:52px;line-height:1.18;font-weight:900;letter-spacing:-1px;margin-bottom:20px}
.hero h1 .grad-text{background:linear-gradient(90deg,#a5b4fc,#22d3ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:18px;color:rgba(255,255,255,.78);max-width:540px;line-height:1.8;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:18px;list-style:none;padding:0}
.hero-points li{display:flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.7)}
.hero-points li i{color:var(--accent-light);font-size:12px}
.hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px);border-radius:20px;padding:30px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.hero-panel-title{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.hero-panel-title i{color:var(--accent-light)}
.status-badge{font-size:12px;font-weight:600;color:#a7f3d0;background:rgba(16,185,129,.2);padding:4px 12px;border-radius:100px;display:flex;align-items:center;gap:5px}
.status-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.hero-panel-game{display:flex;align-items:center;gap:14px;padding:14px;background:rgba(255,255,255,.06);border-radius:12px;margin-bottom:10px;transition:var(--transition)}
.hero-panel-game:hover{background:rgba(255,255,255,.12);transform:translateX(4px)}
.hero-panel-game img{width:48px;height:48px;border-radius:10px;object-fit:cover;flex-shrink:0}
.hero-panel-game .g-name{font-size:14px;font-weight:600}
.hero-panel-game .g-tag{font-size:12px;color:rgba(255,255,255,.6)}
.hero-panel-game .g-arrow{margin-left:auto;color:rgba(255,255,255,.5);font-size:13px}
.hero-panel-footer{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.65)}
.hero-panel-footer span i{margin-right:5px;color:var(--accent-light)}

/* Feature strip */
.feature-strip{padding:0 0 88px;background:var(--bg);margin-top:-40px;position:relative;z-index:3}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:var(--transition);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(79,70,229,.25)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:16px;color:var(--primary);background:rgba(79,70,229,.1)}
.feature-card:nth-child(2) .feature-icon{color:var(--accent);background:rgba(6,182,212,.1)}
.feature-card:nth-child(3) .feature-icon{color:var(--gold);background:rgba(245,158,11,.12)}
.feature-card:nth-child(4) .feature-icon{color:var(--success);background:rgba(16,185,129,.12)}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.feature-card p{font-size:14px;color:var(--text-weak);line-height:1.7}

/* Advantage */
.advantage-section{background:var(--surface)}
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.advantage-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);transition:var(--transition)}
.advantage-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.advantage-card img{width:100%;height:200px;object-fit:cover;transition:transform .5s ease}
.advantage-card:hover img{transform:scale(1.04)}
.advantage-body{padding:24px}
.advantage-body h3{font-size:18px;font-weight:700;margin-bottom:8px}
.advantage-body p{font-size:14px;color:var(--text-weak);line-height:1.75}
.advantage-meta{display:flex;align-items:center;gap:16px;margin-top:16px;padding-top:14px;border-top:1px solid var(--border);font-size:13px;color:var(--text-weak)}
.advantage-meta i{color:var(--primary)}

/* Category */
.category-section{background:var(--bg)}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.category-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:280px;display:flex;align-items:flex-end;padding:28px;transition:var(--transition);border:1px solid var(--border)}
.category-card::before{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,18,32,.94) 0%,rgba(11,18,32,.45) 55%,rgba(11,18,32,.08) 100%);z-index:1;transition:var(--transition)}
.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.category-card:hover img{transform:scale(1.06)}
.category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.category-body{position:relative;z-index:2;color:#fff}
.category-body .cat-tag{font-size:12px;font-weight:600;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25);padding:4px 12px;border-radius:100px;display:inline-block;margin-bottom:12px}
.category-body h3{font-size:22px;font-weight:800;margin-bottom:6px}
.category-body p{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:14px;line-height:1.6}
.category-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#a5b4fc}
.category-link i{transition:transform .25s}
.category-card:hover .category-link i{transform:translateX(4px)}

/* News */
.news-section{background:var(--surface)}
.news-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:36px}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-card{background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;transition:var(--transition)}
.news-card:hover{border-color:rgba(79,70,229,.3);box-shadow:var(--shadow-sm);transform:translateX(4px)}
.news-card-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.news-cat{font-size:12px;font-weight:600;color:var(--primary);background:rgba(79,70,229,.08);padding:3px 12px;border-radius:100px}
.news-date{font-size:12px;color:var(--text-weak);display:flex;align-items:center;gap:4px}
.news-date i{font-size:11px}
.news-card h4{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:6px}
.news-card h4 a:hover{color:var(--primary)}
.news-excerpt{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:0}
.empty-tip{background:var(--surface-alt);border:1px dashed var(--border);border-radius:var(--radius);padding:48px 24px;text-align:center;color:var(--text-weak);font-size:15px}
.news-sidebar{display:flex;flex-direction:column;gap:16px}
.sidebar-card{background:linear-gradient(135deg,#f8fafc,#eef2ff);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.sidebar-card h4{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.sidebar-card h4 i{color:var(--primary)}
.sidebar-list{list-style:none;padding:0;margin:0}
.sidebar-list li{padding:9px 0;border-bottom:1px dashed var(--border);font-size:14px;display:flex;gap:8px;align-items:baseline}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list li a{color:var(--text);transition:var(--transition)}
.sidebar-list li a:hover{color:var(--primary);padding-left:4px}
.sidebar-list li i{font-size:5px;color:var(--accent)}
.sidebar-banner{margin-top:16px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:12px;padding:18px;color:#fff;text-align:center}
.sidebar-banner h5{font-size:15px;font-weight:700;margin-bottom:4px}
.sidebar-banner p{font-size:12px;opacity:.85;margin-bottom:10px}
.sidebar-banner a{display:inline-block;font-size:13px;font-weight:600;background:#fff;color:var(--primary);padding:6px 16px;border-radius:100px}

/* Hot */
.hot-section{background:var(--bg)}
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hot-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.hot-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(79,70,229,.2)}
.hot-card img{width:100%;height:150px;object-fit:cover}
.hot-body{padding:18px}
.hot-body h4{font-size:15px;font-weight:700;margin-bottom:6px;line-height:1.4}
.hot-body p{font-size:13px;color:var(--text-weak);line-height:1.6;margin-bottom:12px}
.hot-row{display:flex;align-items:center;justify-content:space-between}
.hot-tag{font-size:12px;font-weight:600;color:var(--accent);background:rgba(6,182,212,.1);padding:3px 10px;border-radius:100px}
.hot-btn{font-size:13px;color:var(--primary);font-weight:600;display:flex;align-items:center;gap:4px}
.hot-btn i{font-size:10px}

/* Stats */
.stats-section{background:linear-gradient(135deg,rgba(11,18,32,.97),rgba(30,27,75,.94)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:80px 0;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:30px;text-align:center}
.stat-item{padding:32px 16px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:var(--transition)}
.stat-item:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.stat-num{font-size:40px;font-weight:900;background:linear-gradient(90deg,#a5b4fc,#22d3ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px}

/* Steps */
.steps-section{background:var(--surface)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.steps-grid::before{content:'';position:absolute;top:40px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary));opacity:.2}
.step-item{text-align:center;position:relative}
.step-icon{width:80px;height:80px;border-radius:50%;background:var(--surface);border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--primary);margin:0 auto 20px;box-shadow:0 8px 24px rgba(79,70,229,.15);position:relative;z-index:2}
.step-item:nth-child(2) .step-icon{border-color:var(--accent);color:var(--accent);box-shadow:0 8px 24px rgba(6,182,212,.15)}
.step-item:nth-child(3) .step-icon{border-color:var(--gold);color:var(--gold);box-shadow:0 8px 24px rgba(245,158,11,.15)}
.step-item:nth-child(4) .step-icon{border-color:var(--success);color:var(--success);box-shadow:0 8px 24px rgba(16,185,129,.15)}
.step-num{font-size:12px;font-weight:600;color:var(--text-weak);letter-spacing:1px;margin-bottom:4px}
.step-item h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text-weak);line-height:1.7}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:rgba(79,70,229,.35);box-shadow:var(--shadow-sm)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;background:transparent;border:none;width:100%;text-align:left;color:var(--text)}
.faq-question i{font-size:14px;color:var(--primary);transition:transform .3s;flex-shrink:0}
.faq-item.active .faq-question i{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 24px 22px;font-size:14px;color:var(--text-weak);line-height:1.8}
.faq-item.active .faq-answer{display:block}

/* CTA */
.cta-section{padding:72px 0}
.cta-inner{max-width:1100px;margin:0 auto;background:linear-gradient(135deg,var(--primary),#7c3aed 55%,var(--accent));border-radius:24px;padding:48px 56px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:0 30px 60px rgba(79,70,229,.25)}
.cta-inner::before{content:'';position:absolute;top:-40px;right:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-inner::after{content:'';position:absolute;bottom:-60px;left:10%;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-cnt{position:relative;z-index:2;color:#fff}
.cta-cnt h2{font-size:30px;font-weight:800;margin-bottom:8px}
.cta-cnt p{font-size:15px;opacity:.85}
.cta-btn{position:relative;z-index:2;flex-shrink:0;background:#fff;color:var(--primary);padding:14px 32px;border-radius:100px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;box-shadow:0 10px 30px rgba(0,0,0,.15);transition:var(--transition)}
.cta-btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.2);color:var(--primary-dark)}

/* Footer */
.site-footer{background:var(--dark);color:#94a3b8;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;line-height:1.8;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;transition:var(--transition)}
.footer-social a:hover{background:var(--primary);transform:translateY(-3px)}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--primary)}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{padding:6px 0}
.footer-col ul li a{color:#94a3b8;transition:var(--transition);display:flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-col ul li a i{font-size:10px;color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact div{display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--primary);margin-top:4px;font-size:14px}
.footer-bottom{padding:22px 0;text-align:center;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:#64748b}
.footer-bottom a{color:#94a3b8}
.footer-bottom a:hover{color:#fff}

/* Floating */
.float-entry{position:fixed;bottom:28px;right:28px;z-index:900;display:flex;flex-direction:column;gap:10px}
.float-entry a{width:48px;height:48px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 10px 24px rgba(79,70,229,.35);transition:var(--transition)}
.float-entry a:hover{transform:translateY(-4px);background:var(--primary-dark)}
.float-entry .top-btn{background:var(--dark-2)}

/* Responsive */
@media(min-width:1440px){.container{max-width:1280px}}
@media(max-width:1024px){
  .nav-wrap{gap:16px}
  .nav-search{width:170px}
  .hero{padding:160px 0 80px}.hero h1{font-size:42px}
  .hero-grid{gap:36px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media(max-width:768px){
  .section{padding:64px 0}.section-title{font-size:28px}
  .mobile-toggle{display:flex}
  .nav-menu{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 24px;gap:4px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);transform:translateY(-120%);opacity:0;pointer-events:none;transition:var(--transition);z-index:999}
  .nav-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-menu a{width:100%;padding:12px 14px;border-radius:10px}
  .nav-right .nav-search{display:none}
  .nav-right .nav-entry{padding:8px 14px;font-size:13px}
  .nav-right .nav-entry i{margin-right:4px}
  .hero-grid{grid-template-columns:1fr}
  .hero-panel{margin-top:12px}
  .advantage-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-sidebar{margin-top:8px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-num{font-size:30px}
  .steps-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;text-align:center;padding:36px 28px}
  .cta-cnt p{font-size:14px}
  .faq-question{font-size:15px;padding:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{font-size:12px}
  .float-entry{display:none}
  .hero h1{font-size:34px}
  .hero-actions{flex-direction:column;gap:10px;align-items:stretch}
  .hero-actions .btn{width:100%}
}
@media(max-width:520px){
  .nav-right .nav-entry span{display:none}
  .nav-right .nav-entry padding:9px 12px;font-size:15px
  .feature-grid{grid-template-columns:1fr}
  .hot-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-num{font-size:26px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-title{font-size:25px}
  .hero{padding:140px 0 60px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .cta-cnt h2{font-size:22px}
  .cta-btn{width:100%;justify-content:center}
  .news-card{padding:16px}
  .news-card h4{font-size:15px}
  .stats-section{padding:56px 0}
  .stat-item{padding:20px 12px}
  .stat-label{font-size:12px}
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
      --primary: #3b6ef5;
      --primary-dark: #1a3f99;
      --primary-light: #6b96ff;
      --accent: #f5a623;
      --accent-dark: #d4870f;
      --bg: #f5f7fb;
      --bg-alt: #0e1930;
      --bg-card: #ffffff;
      --text: #1e2a3a;
      --text-light: #6b7a90;
      --text-muted: #8e9cb0;
      --border: #dde3ec;
      --radius: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 2px 12px rgba(14, 25, 48, 0.06);
      --shadow-md: 0 6px 30px rgba(14, 25, 48, 0.1);
      --shadow-lg: 0 16px 48px rgba(14, 25, 48, 0.14);
      --transition: all 0.28s cubic-bezier(.4,0,.2,1);
      --gradient-primary: linear-gradient(135deg, #3b6ef5 0%, #6b96ff 100%);
      --gradient-dark: linear-gradient(135deg, #0e1930 0%, #1e3050 100%);
    }

    /* ===== Reset / Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    ul, ol { list-style: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input, textarea { font-family: inherit; outline: none; }
    .container, .grid-container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 32px; }

    /* ===== Typography ===== */
    h1, h2, h3, h4, h5 { line-height: 1.3; font-weight: 700; color: var(--text); }
    .section-title { font-size: 36px; letter-spacing: -0.02em; margin-bottom: 12px; }
    .section-subtitle { font-size: 16px; color: var(--text-light); max-width: 560px; line-height: 1.7; }
    .section-head { text-align: center; margin-bottom: 56px; }
    .section-head .eyebrow {
      display: inline-flex; align-items: center; gap: 6px;
      background: rgba(59, 110, 245, 0.08); color: var(--primary);
      padding: 6px 16px; border-radius: 30px; font-size: 13px; font-weight: 600;
      margin-bottom: 16px; letter-spacing: 0.02em;
    }
    .section-head .eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
    .section-head .eyebrow .dot.blue { background: var(--primary); }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      padding: 12px 28px; border-radius: 40px; font-size: 15px; font-weight: 600;
      transition: var(--transition); border: 2px solid transparent; white-space: nowrap;
      line-height: 1.2;
    }
    .btn-primary { background: var(--gradient-primary); color: #fff; box-shadow: 0 4px 20px rgba(59, 110, 245, 0.3); }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(59, 110, 245, 0.4); }
    .btn-primary:active { transform: translateY(0); }
    .btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
    .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(59, 110, 245, 0.04); }
    .btn-light { background: #fff; color: var(--primary-dark); }
    .btn-light:hover { background: rgba(255, 255, 255, 0.9); transform: translateY(-2px); }
    .btn-lg { padding: 16px 40px; font-size: 17px; }
    .btn-sm { padding: 8px 20px; font-size: 13px; border-radius: 30px; }
    button:focus-visible, a:focus-visible { outline: 3px solid rgba(59, 110, 245, 0.4); outline-offset: 2px; }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky; top: 0; z-index: 200; background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(221, 227, 236, 0.7); transition: var(--transition);
    }
    .site-header.scrolled { box-shadow: var(--shadow-sm); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
    .nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
      width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
      background: var(--gradient-primary); color: #fff; font-size: 18px;
      box-shadow: 0 4px 14px rgba(59, 110, 245, 0.35);
    }
    .logo-text { font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
    .logo-text span { color: var(--primary); }
    .nav-menu { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
    .nav-menu a {
      padding: 10px 18px; border-radius: 40px; font-size: 15px; font-weight: 500; color: var(--text-light);
      transition: var(--transition); position: relative;
    }
    .nav-menu a:hover { color: var(--primary); background: rgba(59, 110, 245, 0.06); }
    .nav-menu a.active { color: var(--primary); background: rgba(59, 110, 245, 0.1); font-weight: 600; }
    .header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
    .header-search {
      display: flex; align-items: center; gap: 8px; background: var(--bg);
      border: 1px solid var(--border); border-radius: 30px; padding: 8px 16px;
      transition: var(--transition); width: 200px;
    }
    .header-search:hover, .header-search:focus-within { border-color: var(--primary-light); background: #fff; box-shadow: var(--shadow-sm); }
    .header-search input { border: none; background: transparent; font-size: 14px; color: var(--text); width: 100%; }
    .header-search input::placeholder { color: var(--text-muted); }
    .header-search i { color: var(--text-muted); font-size: 14px; }
    .nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border); flex-direction: column; align-items: center; justify-content: center; gap: 5px; background: #fff; }
    .nav-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
    .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ===== Breadcrumb ===== */
    .breadcrumb { padding: 22px 0 0; font-size: 14px; color: var(--text-light); display: flex; align-items: center; gap: 8px; }
    .breadcrumb a { color: var(--text-light); }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb i { font-size: 12px; color: var(--text-muted); }

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative; padding: 100px 0 90px; color: #fff; overflow: hidden;
      background: url('/assets/images/backpic/back-2.png') center/cover no-repeat, var(--gradient-dark);
    }
    .page-hero::before {
      content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14, 25, 48, 0.9) 0%, rgba(14, 25, 48, 0.55) 60%, rgba(14, 25, 48, 0.2) 100%);
    }
    .page-hero .container { position: relative; z-index: 2; }
    .hero-badge {
      display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 30px; padding: 6px 18px;
      font-size: 13px; font-weight: 500; margin-bottom: 24px; backdrop-filter: blur(8px);
    }
    .hero-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); animation: pulse 2s infinite; }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5); }
      70% { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); }
      100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
    }
    .page-hero h1 { font-size: 52px; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; color: #fff; margin-bottom: 20px; max-width: 680px; }
    .page-hero h1 .gradient-text { background: linear-gradient(135deg, #6b96ff, #a78bfa, #f5a623); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .page-hero p.lead { font-size: 18px; line-height: 1.8; color: rgba(255, 255, 255, 0.75); max-width: 560px; margin-bottom: 36px; }
    .hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .hero-meta { display: flex; gap: 24px; margin-top: 48px; flex-wrap: wrap; }
    .hero-meta-item { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.7); font-size: 14px; }
    .hero-meta-item i { color: var(--accent); }

    /* ===== Section Base ===== */
    .section { padding: 80px 0; }
    .section-alt { background: #fff; }
    .section-dark { background: var(--bg-alt); color: #fff; }
    .section-dark .section-title { color: #fff; }
    .section-dark .section-subtitle { color: rgba(255, 255, 255, 0.6); }
    .section-dark .eyebrow { background: rgba(255, 255, 255, 0.08); color: #fff; }

    /* ===== Intro Cards ===== */
    .intro-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .intro-card {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 36px 28px; transition: var(--transition); position: relative; overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .intro-card::after {
      content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px;
      background: var(--gradient-primary); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
    }
    .intro-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
    .intro-card:hover::after { transform: scaleX(1); }
    .intro-icon {
      width: 54px; height: 54px; border-radius: 14px; background: rgba(59, 110, 245, 0.1);
      color: var(--primary); display: flex; align-items: center; justify-content: center;
      font-size: 22px; margin-bottom: 20px; transition: var(--transition);
    }
    .intro-card:nth-child(2) .intro-icon { background: rgba(245, 166, 35, 0.1); color: var(--accent-dark); }
    .intro-card:nth-child(3) .intro-icon { background: rgba(74, 222, 128, 0.1); color: #16a34a; }
    .intro-card:nth-child(4) .intro-icon { background: rgba(167, 139, 250, 0.1); color: #7c3aed; }
    .intro-card:hover .intro-icon { transform: scale(1.08) rotate(-6deg); }
    .intro-card h3 { font-size: 18px; margin-bottom: 10px; }
    .intro-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

    /* ===== Game Cards Grid ===== */
    .game-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .game-card {
      background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden;
      border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition);
    }
    .game-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(59, 110, 245, 0.3); }
    .game-cover { position: relative; aspect-ratio: 4/3; overflow: hidden; }
    .game-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
    .game-card:hover .game-cover img { transform: scale(1.06); }
    .game-cover .tag {
      position: absolute; top: 14px; left: 14px; background: rgba(14, 25, 48, 0.75);
      color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500;
      backdrop-filter: blur(6px);
    }
    .game-cover .tag.hot { background: rgba(245, 166, 35, 0.9); color: #1e2a3a; }
    .game-body { padding: 22px; }
    .game-body h3 { font-size: 18px; margin-bottom: 8px; transition: var(--transition); }
    .game-card:hover .game-body h3 { color: var(--primary); }
    .game-body .meta { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
    .game-body .meta i { font-size: 12px; }
    .game-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
    .game-tags span {
      background: var(--bg); color: var(--text-light); font-size: 12px; font-weight: 500;
      padding: 4px 12px; border-radius: 20px; border: 1px solid var(--border);
    }
    .game-footer { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; border-top: 1px solid var(--border); background: #fafbfd; }
    .game-status { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
    .game-status.live { color: #16a34a; }
    .game-status.upcoming { color: var(--primary); }
    .game-status .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

    /* ===== Process Steps ===== */
    .process-section { background: var(--bg-alt); }
    .process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
    .process-steps::before {
      content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px;
      background: linear-gradient(90deg, rgba(59, 110, 245, 0.1), rgba(59, 110, 245, 0.6), rgba(59, 110, 245, 0.1));
    }
    .process-step { text-align: center; position: relative; padding: 0 12px; }
    .step-number {
      width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 24px; position: relative; z-index: 2;
      background: var(--bg-alt); border: 2px solid rgba(59, 110, 245, 0.4); color: var(--primary-light);
      display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 800;
      transition: var(--transition);
    }
    .process-step:hover .step-number { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 0 0 10px rgba(59, 110, 245, 0.15); }
    .process-step h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
    .process-step p { color: rgba(255, 255, 255, 0.6); font-size: 14px; line-height: 1.7; }

    /* ===== Stats ===== */
    .stats-section { background: #fff; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
    .stat-item { padding: 36px 20px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); transition: var(--transition); }
    .stat-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
    .stat-number { font-size: 46px; font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 8px; letter-spacing: -0.03em; }
    .stat-item:nth-child(2) .stat-number { color: var(--accent-dark); }
    .stat-item:nth-child(3) .stat-number { color: #16a34a; }
    .stat-item:nth-child(4) .stat-number { color: #7c3aed; }
    .stat-label { font-size: 15px; color: var(--text-light); }

    /* ===== News / Content List ===== */
    .content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .news-card {
      background: #fff; border-radius: var(--radius-lg); overflow: hidden;
      border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
    .news-thumb { aspect-ratio: 16/10; overflow: hidden; position: relative; }
    .news-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(14, 25, 48, 0.3)); }
    .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .news-card:hover .news-thumb img { transform: scale(1.05); }
    .news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
    .news-date { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
    .news-body h3 { font-size: 17px; line-height: 1.5; margin-bottom: 12px; }
    .news-body h3 a:hover { color: var(--primary); }
    .news-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; flex: 1; margin-bottom: 16px; }
    .news-more { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
    .news-more:hover { gap: 12px; color: var(--primary-dark); }

    /* ===== FAQ ===== */
    .faq-section { background: #fff; }
    .faq-list { max-width: 820px; margin: 0 auto; }
    .faq-item {
      background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
      margin-bottom: 16px; overflow: hidden; transition: var(--transition);
    }
    .faq-item:hover { border-color: rgba(59, 110, 245, 0.3); }
    .faq-question {
      display: flex; justify-content: space-between; align-items: center; gap: 16px;
      padding: 22px 26px; font-size: 16px; font-weight: 600; cursor: pointer; color: var(--text);
      transition: var(--transition);
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question .arrow { width: 32px; height: 32px; border-radius: 50%; background: var(--border); display: flex; align-items: center; justify-content: center; font-size: 13px; transition: var(--transition); flex-shrink: 0; color: var(--text-light); }
    .faq-item.open .faq-question .arrow { background: var(--primary); color: #fff; transform: rotate(180deg); }
    .faq-answer { display: none; padding: 0 26px 24px; font-size: 15px; color: var(--text-light); line-height: 1.8; }
    .faq-item.open .faq-answer { display: block; animation: faqFade 0.3s ease; }
    @keyframes faqFade { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

    /* ===== CTA ===== */
    .cta-section {
      position: relative; padding: 90px 0; overflow: hidden; text-align: center; color: #fff;
      background: url('/assets/images/backpic/back-3.png') center/cover no-repeat, var(--gradient-dark);
    }
    .cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(14, 25, 48, 0.65); }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-title { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 16px; }
    .cta-desc { color: rgba(255, 255, 255, 0.75); font-size: 17px; margin-bottom: 36px; max-width: 480px; margin-left: auto; margin-right: auto; }
    .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    /* ===== Footer ===== */
    .site-footer { background: var(--bg-alt); color: rgba(255, 255, 255, 0.65); padding: 70px 0 30px; }
    .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
    .footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; color: rgba(255, 255, 255, 0.5); }
    .site-footer .nav-logo .logo-text { color: #fff; }
    .site-footer .nav-logo .logo-text span { color: var(--primary-light); }
    .footer-social { display: flex; gap: 12px; }
    .footer-social a {
      width: 38px; height: 38px; border-radius: 10px; background: rgba(255, 255, 255, 0.08);
      display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.7);
      transition: var(--transition);
    }
    .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
    .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; font-weight: 600; }
    .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
    .footer-col ul a { font-size: 14px; color: rgba(255, 255, 255, 0.55); display: inline-flex; align-items: center; gap: 6px; }
    .footer-col ul a:hover { color: var(--primary-light); padding-left: 4px; }
    .footer-col ul a i { font-size: 12px; }
    .footer-contact { display: flex; flex-direction: column; gap: 14px; }
    .footer-contact div { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.55); }
    .footer-contact i { color: var(--primary-light); margin-top: 3px; }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; flex-wrap: wrap; gap: 12px; }
    .footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.4); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .intro-grid { grid-template-columns: repeat(2, 1fr); }
      .game-grid { grid-template-columns: repeat(2, 1fr); }
      .content-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
      .process-steps::before { display: none; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .page-hero h1 { font-size: 40px; }
    }
    @media (max-width: 768px) {
      .container, .grid-container { padding: 0 20px; }
      .nav-menu {
        position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
        background: #fff; flex-direction: column; padding: 40px 24px; gap: 12px;
        transform: translateX(100%); transition: transform 0.4s cubic-bezier(.4,0,.2,1);
        box-shadow: -20px 0 40px rgba(14, 25, 48, 0.08); overflow-y: auto;
      }
      .nav-menu.open { transform: translateX(0); }
      .nav-menu a { font-size: 18px; padding: 14px 24px; width: 100%; text-align: center; }
      .nav-toggle { display: flex; }
      .header-search { display: none; }
      .header-actions .btn { display: none; }
      .section-title { font-size: 28px; }
      .page-hero { padding: 70px 0 60px; }
      .page-hero h1 { font-size: 34px; }
      .page-hero p.lead { font-size: 16px; }
      .hero-meta { gap: 12px; flex-direction: column; }
      .section { padding: 56px 0; }
      .intro-grid, .game-grid, .content-grid, .process-steps, .stats-grid, .footer-grid { grid-template-columns: 1fr; }
      .footer-grid { gap: 32px; }
      .cta-title { font-size: 28px; }
      .footer-bottom { justify-content: center; text-align: center; }
    }
    @media (max-width: 520px) {
      .container, .grid-container { padding: 0 16px; }
      .header-inner { height: 64px; }
      .logo-text { font-size: 17px; }
      .logo-icon { width: 34px; height: 34px; font-size: 15px; }
      .page-hero h1 { font-size: 28px; }
      .hero-actions .btn-lg { padding: 12px 24px; font-size: 15px; }
      .section-title { font-size: 24px; }
      .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
      .stats-grid .stat-item { padding: 24px 12px; }
      .stat-number { font-size: 30px; }
      .process-steps { grid-template-columns: 1fr; }
      .step-number { width: 64px; height: 64px; font-size: 22px; }
      .faq-question { padding: 18px 18px; font-size: 15px; }
      .faq-answer { padding: 0 18px 18px; font-size: 14px; }
      .cta-title { font-size: 24px; }
      .footer-bottom p { font-size: 12px; }
    }

/* roulang page: article */
:root {
  --primary: #3b82f6;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.10);
  --transition: all .25s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
input:focus, button:focus, a:focus { outline: 2px solid rgba(59,130,246,.4); outline-offset: 2px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }

.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: inline-block; background: var(--primary-light); color: var(--primary-dark);
  font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 999px; margin-bottom: 14px;
  letter-spacing: .5px;
}
.section-head h2 { font-size: 2.2rem; font-weight: 800; line-height: 1.3; margin-bottom: 12px; }
.section-head p { color: var(--text-light); font-size: 1.05rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: 10px; padding: 12px 28px; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: var(--transition);
  text-align: center; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(59,130,246,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(59,130,246,.35); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(245,158,11,.3); }
.btn-accent:hover { background: #d97706; transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: var(--primary-light); color: var(--primary); transform: translateY(-2px); }
.btn-lg { padding: 16px 38px; font-size: 17px; border-radius: 12px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-block { width: 100%; }

.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  border-radius: 11px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; box-shadow: 0 4px 12px rgba(59,130,246,.3);
}
.logo-text { font-size: 20px; font-weight: 800; color: var(--dark); letter-spacing: -.3px; }
.logo-text span { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
  font-size: 15px; font-weight: 500; color: var(--text-light);
  padding: 8px 16px; border-radius: 8px; transition: var(--transition);
}
.nav-menu a:hover { color: var(--primary); background: var(--primary-light); }
.nav-menu a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box {
  display: flex; align-items: center; background: #f1f5f9; border-radius: 999px;
  padding: 0 16px; height: 40px; width: 220px; border: 1px solid transparent;
  transition: var(--transition);
}
.search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(59,130,246,.12); }
.search-box i { color: var(--text-light); font-size: 14px; margin-right: 8px; }
.search-box input { border: none; background: transparent; outline: none; width: 100%; font-size: 14px; color: var(--text); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
  width: 40px; height: 40px; font-size: 18px; color: var(--text); cursor: pointer;
  align-items: center; justify-content: center; transition: var(--transition);
}
.nav-toggle:hover { background: var(--primary-light); color: var(--primary); }

.article-hero {
  background: linear-gradient(135deg, rgba(15,23,42,.92) 0%, rgba(30,64,175,.85) 50%, rgba(59,130,246,.9) 100%),
  url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 70px 0 56px; color: #fff; position: relative;
}
.article-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: #fff; font-weight: 500; }
.article-hero h1 { font-size: 2.5rem; font-weight: 800; line-height: 1.35; max-width: 760px; margin-bottom: 14px; }
.article-hero .hero-desc { font-size: 1.05rem; color: rgba(255,255,255,.85); max-width: 620px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 22px; color: rgba(255,255,255,.9); font-size: 14px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta i { color: var(--accent); }

.article-section { padding: 56px 0 72px; }
.grid-margin-x { margin-left: -15px; margin-right: -15px; }
.grid-margin-x > .cell { padding-left: 15px; padding-right: 15px; margin-bottom: 24px; }

.article-card {
  background: var(--card-bg); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.article-cover { position: relative; }
.article-cover img { width: 100%; height: 420px; object-fit: cover; }
.article-cover .badge {
  position: absolute; top: 20px; left: 20px; background: var(--accent); color: #fff;
  font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(245,158,11,.4);
}
.article-body { padding: 36px 40px; }
.article-title { font-size: 1.8rem; font-weight: 800; line-height: 1.4; margin-bottom: 18px; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 18px; padding-bottom: 20px; margin-bottom: 26px;
  border-bottom: 1px solid var(--border); color: var(--text-light); font-size: 14px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); }

.article-content { font-size: 1.02rem; line-height: 1.9; color: #334155; }
.article-content h2 { font-size: 1.6rem; font-weight: 700; margin: 32px 0 16px; color: var(--dark); }
.article-content h3 { font-size: 1.3rem; font-weight: 700; margin: 24px 0 12px; color: var(--dark); }
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol { margin: 16px 0 20px; padding-left: 22px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--primary); background: var(--primary-light);
  padding: 16px 22px; border-radius: 0 12px 12px 0; margin: 22px 0; color: var(--dark-2);
}
.article-content img { border-radius: 12px; margin: 20px 0; box-shadow: var(--shadow); }
.article-content code {
  background: #f1f5f9; color: var(--primary-dark); padding: 3px 8px; border-radius: 6px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: .9em;
}
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-dark); }

.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.article-tags a {
  background: var(--bg); border: 1px solid var(--border); color: var(--text-light);
  font-size: 13px; padding: 5px 14px; border-radius: 999px; transition: var(--transition);
}
.article-tags a:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.article-share {
  display: flex; align-items: center; gap: 12px; margin-top: 30px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-share > span { font-size: 14px; color: var(--text-light); font-weight: 600; }
.share-btn {
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1px solid var(--border); color: var(--text-light); font-size: 15px;
  transition: var(--transition);
}
.share-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-3px); }

.not-found-card {
  background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--border); padding: 80px 40px; text-align: center;
}
.not-found-icon {
  width: 80px; height: 80px; border-radius: 50%; background: var(--accent-light); color: var(--accent);
  font-size: 32px; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px;
}
.not-found-card h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.not-found-card p { color: var(--text-light); margin-bottom: 28px; }

.article-sidebar .sidebar-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 26px; margin-bottom: 24px; box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
  font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 18px;
  display: flex; align-items: center; gap: 8px;
}
.sidebar-card h3::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.sidebar-list li { border-bottom: 1px solid var(--border); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
  display: flex; align-items: center; gap: 10px; padding: 13px 4px;
  color: var(--text); font-size: 15px; border-radius: 8px; transition: var(--transition);
}
.sidebar-list a i { color: var(--primary); width: 20px; text-align: center; }
.sidebar-list a:hover { color: var(--primary); padding-left: 10px; }

.hot-list .hot-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 0;
  border-bottom: 1px dashed var(--border); transition: var(--transition);
}
.hot-list .hot-item:last-child { border-bottom: none; }
.hot-num {
  width: 28px; height: 28px; border-radius: 8px; background: var(--bg); color: var(--text-light);
  font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: var(--transition);
}
.hot-item:nth-child(1) .hot-num { background: var(--accent); color: #fff; }
.hot-item:nth-child(2) .hot-num { background: var(--primary); color: #fff; }
.hot-item:nth-child(3) .hot-num { background: #6b7280; color: #fff; }
.hot-item span:last-child { font-size: 14px; color: var(--text); line-height: 1.4; }
.hot-item:hover .hot-num { transform: scale(1.1); }
.hot-item:hover span:last-child { color: var(--primary); }

.sidebar-card.cta-card { background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%); border: none; color: #fff; }
.sidebar-card.cta-card h3 { color: #fff; }
.sidebar-card.cta-card h3::after { background: rgba(255,255,255,.2); }
.sidebar-card.cta-card p { font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 18px; }
.sidebar-card.cta-card .btn { background: #fff; color: var(--primary); }
.sidebar-card.cta-card .btn:hover { background: var(--primary-light); }

.related-section { padding: 70px 0; background: var(--card-bg); border-top: 1px solid var(--border); }
.related-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  transition: var(--transition); height: 100%; display: block;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.related-card .cover { position: relative; overflow: hidden; }
.related-card .cover img { width: 100%; height: 200px; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .cover img { transform: scale(1.06); }
.related-card .cover .tag {
  position: absolute; bottom: 12px; left: 12px; background: rgba(15,23,42,.75); color: #fff;
  font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px);
}
.related-card .info { padding: 22px; }
.related-card .info h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--dark); }
.related-card .info p { font-size: 13px; color: var(--text-light); line-height: 1.6; }
.related-card:hover .info h3 { color: var(--primary); }

.cta-band {
  padding: 80px 0; background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #3b82f6 100%);
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; top: 0; right: 0; width: 50%; height: 100%;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: .15; 
}
.cta-inner { position: relative; z-index: 1; text-align: center; max-width: 640px; margin: 0 auto; color: #fff; }
.cta-inner h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 1.08rem; color: rgba(255,255,255,.85); margin-bottom: 30px; }

.site-footer { background: var(--dark); color: rgba(255,255,255,.75); padding-top: 70px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px;
  padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .nav-logo { margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; max-width: 380px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); transform: translateY(-3px); }
.footer-col h4 {
  color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; position: relative; padding-bottom: 10px;
}
.footer-col h4::after { content: ""; position: absolute; bottom: 0; left: 0; width: 28px; height: 3px; background: var(--primary); border-radius: 2px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,.65); display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul a i { font-size: 12px; color: var(--primary); }
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.footer-contact div { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px; font-size: 14px; }
.footer-contact i { color: var(--primary); margin-top: 4px; }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }

@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .search-box { display: none; }
  .nav-menu a { padding: 8px 12px; }
  .article-cover img { height: 340px; }
  .article-body { padding: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 1.7rem; }
  .header-inner { height: 64px; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 64px; left: 0; right: 0; background: #fff;
    flex-direction: column; gap: 0; padding: 10px 20px 16px;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
    display: none; z-index: 99;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; padding: 14px 16px; border-radius: 10px; font-size: 15px; }
  .header-actions .btn-primary { display: none; }
  .article-hero { padding: 50px 0 40px; }
  .article-hero h1 { font-size: 1.8rem; }
  .article-cover img { height: 260px; }
  .article-body { padding: 24px 20px; }
  .article-title { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-inner h2 { font-size: 1.7rem; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .logo-icon { width: 36px; height: 36px; font-size: 15px; }
  .article-hero h1 { font-size: 1.5rem; }
  .hero-meta { gap: 10px; flex-direction: column; }
  .article-cover img { height: 200px; }
  .article-meta { gap: 10px; flex-direction: column; }
  .related-card .info { padding: 18px; }
  .section-head h2 { font-size: 1.5rem; }
  .btn-lg { padding: 14px 28px; font-size: 15px; width: 100%; }
}

/* roulang page: category2 */
:root {
  --primary: #6C5CE7;
  --primary-dark: #5A4BD1;
  --primary-light: #EEEAFC;
  --accent: #00D2FF;
  --accent-2: #FF6B6B;
  --bg: #F8F9FC;
  --bg-alt: #0F1118;
  --bg-card: #FFFFFF;
  --text: #1A1D29;
  --text-light: #6B7280;
  --border: #E5E7ED;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
  --transition: 0.3s ease;
  --container-w: 1200px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input { font-family: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.section { padding: 80px 0; }
.section-alt { background: var(--bg-card); }
.section-dark { background: var(--bg-alt); color: #fff; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 12px auto 0;
}
.section-head p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
  margin-top: 14px;
}

/* Header */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu a {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 999px;
  position: relative;
  transition: all var(--transition);
}
.nav-menu a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-menu a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  width: 220px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.12);
}
.search-wrap i {
  color: var(--text-light);
  font-size: 13px;
}
.search-wrap input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  width: 100%;
  color: var(--text);
}
.menu-toggle {
  display: none;
  font-size: 20px;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  transition: all var(--transition);
  line-height: 1;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--text);
  color: #fff;
}
.btn-dark:hover {
  background: #000;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}
.btn:focus-visible {
  outline: 3px solid rgba(108, 92, 231, 0.4);
  outline-offset: 2px;
}

/* Page Hero */
.page-hero {
  position: relative;
  padding: 100px 0 90px;
  background-size: cover;
  background-position: center;
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 17, 24, 0.88), rgba(15, 17, 24, 0.72));
  z-index: 1;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 14px;
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.2;
}
.page-hero h1 span {
  background: linear-gradient(90deg, var(--accent), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Category Cards */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.cat-card:hover::before {
  opacity: 1;
}
.cat-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 26px;
  color: var(--primary);
  transition: all var(--transition);
}
.cat-card:hover .cat-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  transform: scale(1.06);
}
.cat-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cat-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}
.cat-card .cat-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
  transition: gap var(--transition);
}
.cat-card .cat-link:hover {
  gap: 8px;
}

/* Guide Cards */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.guide-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.card-thumb {
  position: relative;
  overflow: hidden;
  height: 190px;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.guide-card:hover .card-thumb img {
  transform: scale(1.06);
}
.card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent 60%);
}
.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(108, 92, 231, 0.9);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
}
.card-body {
  padding: 22px;
}
.card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-body h3 a {
  color: var(--text);
}
.card-body h3 a:hover {
  color: var(--primary);
}
.card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.card-meta span {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 5px;
}
.card-meta span i {
  color: var(--primary);
}

/* Flow Section */
.flow-section {
  background: var(--bg-alt);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.flow-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.3), transparent 70%);
  pointer-events: none;
}
.flow-section .section-head h2 {
  color: #fff;
}
.flow-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}
.flow-item {
  text-align: center;
  padding: 36px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}
.flow-item:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
  border-color: rgba(108, 92, 231, 0.4);
}
.flow-num {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}
.flow-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.flow-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}
.flow-arrow {
  position: absolute;
  top: 50%;
  right: -20px;
  color: rgba(255, 255, 255, 0.2);
  font-size: 18px;
  transform: translateY(-50%);
  z-index: 2;
}

/* Stats */
.stats-section {
  padding: 70px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}
.stat-item {
  text-align: center;
  color: #fff;
  padding: 24px;
}
.stat-item .stat-num {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: -1px;
}
.stat-item .stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover {
  border-color: rgba(108, 92, 231, 0.4);
}
.faq-summary {
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  transition: background var(--transition);
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] .faq-summary {
  background: var(--primary-light);
  color: var(--primary);
}
.faq-item[open] .faq-summary::after {
  transform: rotate(180deg);
}
.faq-content {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* CTA */
.cta-section {
  padding: 80px 0;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.06), transparent 70%);
  pointer-events: none;
}
.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.cta-inner p {
  color: var(--text-light);
  font-size: 16px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1;
  padding: 12px 20px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  outline: none;
  background: var(--bg);
  transition: all var(--transition);
  min-width: 200px;
}
.cta-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.12);
  background: #fff;
}

/* Footer */
.site-footer {
  background: var(--bg-alt);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 70px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand p {
  margin-top: 14px;
  line-height: 1.8;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}
.footer-brand .nav-logo {
  color: #fff;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.55);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-col ul li a i {
  font-size: 12px;
  color: var(--primary);
}
.footer-contact div {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  align-items: center;
  color: rgba(255, 255, 255, 0.55);
}
.footer-contact i {
  color: var(--primary);
  font-size: 14px;
  width: 20px;
  text-align: center;
}
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .search-wrap { width: 160px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 28px; }
  .page-hero { padding: 68px 0 56px; }
  .page-hero h1 { font-size: 34px; }
  .page-hero p { font-size: 15px; }
  .menu-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 99;
    border-radius: 0 0 16px 16px;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-menu a {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
  }
  .nav-menu a.active::after { display: none; }
  .search-wrap { display: none; }
  .header-actions .btn-sm { display: none; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .cat-grid { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; }
  .section-head h2 { font-size: 24px; }
  .cta-form { flex-direction: column; }
  .cta-form input { width: 100%; }
  .cta-form .btn { width: 100%; }
  .flow-arrow { display: none; }
  .logo-text { font-size: 18px; }
  .page-hero h1 { font-size: 28px; }
}

/* Foundation overrides */
.button { margin: 0; }
.grid-x { margin: 0; }

/* roulang page: category3 */
:root {
  --primary-blue: #2563eb;
  --primary-violet: #7c3aed;
  --accent-cyan: #06b6d4;
  --gradient-main: linear-gradient(135deg, #1e3a8a 0%, #2563eb 45%, #7c3aed 100%);
  --gradient-card: linear-gradient(145deg, rgba(37,99,235,0.06) 0%, rgba(124,58,237,0.09) 100%);
  --bg-primary: #f6f8fc;
  --bg-card: #ffffff;
  --bg-deep: #0b1220;
  --bg-deep-2: #111a2e;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-soft: #94a3b8;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(30,41,59,0.06);
  --shadow-md: 0 8px 30px rgba(30,41,59,0.09);
  --shadow-lg: 0 16px 48px rgba(37,99,235,0.14);
  --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif; background:var(--bg-primary); color:var(--text-main); line-height:1.75; font-size:16px; -webkit-font-smoothing:antialiased; }
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
ul, ol { list-style:none; }
button, input { font-family:inherit; border:none; outline:none; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:100px 0; }
.section-alt { background:linear-gradient(180deg, #f6f8fc 0%, #eef2fa 100%); }
.text-center { text-align:center; }

.site-header { position:sticky; top:0; z-index:200; background:rgba(255,255,255,0.86); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); border-bottom:1px solid rgba(226,232,240,0.72); box-shadow:0 4px 22px rgba(15,23,42,0.06); }
.nav-shell { display:flex; align-items:center; justify-content:space-between; height:74px; gap:16px; }
.nav-logo { display:inline-flex; align-items:center; gap:11px; flex-shrink:0; }
.logo-icon { width:42px; height:42px; border-radius:12px; background:var(--gradient-main); display:inline-flex; align-items:center; justify-content:center; color:#fff; font-size:19px; box-shadow:0 6px 18px rgba(37,99,235,0.32); }
.logo-text { font-size:20px; font-weight:800; letter-spacing:0.3px; color:var(--text-main); line-height:1.2; }
.logo-text span { color:var(--primary-blue); }
.nav-menu { display:flex; align-items:center; gap:6px; margin:0 auto; }
.nav-menu a { position:relative; padding:10px 18px; font-size:15px; font-weight:500; color:var(--text-main); border-radius:10px; transition:var(--transition); }
.nav-menu a:hover { color:var(--primary-blue); background:rgba(37,99,235,0.07); }
.nav-menu a.active { color:var(--primary-blue); font-weight:700; background:rgba(37,99,235,0.09); }
.nav-menu a.active::after { content:""; position:absolute; left:18px; right:18px; bottom:2px; height:3px; border-radius:2px; background:var(--gradient-main); }
.nav-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.nav-search { position:relative; }
.nav-search input { width:220px; height:42px; padding:0 16px 0 40px; border-radius:12px; border:1px solid var(--border); background:#f8fafc; font-size:13px; color:var(--text-main); transition:var(--transition); }
.nav-search input:focus { width:260px; border-color:var(--primary-blue); box-shadow:0 0 0 4px rgba(37,99,235,0.12); background:#fff; }
.nav-search i { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--text-soft); font-size:14px; pointer-events:none; }
.btn { display:inline-flex!important; align-items:center; justify-content:center; gap:8px; padding:12px 26px; border-radius:12px; font-size:15px; font-weight:600; line-height:1.4; cursor:pointer; transition:var(--transition); border:1px solid transparent; }
.btn-primary { background:var(--gradient-main); color:#fff!important; box-shadow:0 8px 24px rgba(37,99,235,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 14px 32px rgba(37,99,235,0.4); }
.btn-outline { border:1.5px solid var(--border); color:var(--text-main); background:#fff; }
.btn-outline:hover { border-color:var(--primary-blue); color:var(--primary-blue); transform:translateY(-2px); box-shadow:var(--shadow-sm); }
.btn-light { background:rgba(255,255,255,0.14); border:1px solid rgba(255,255,255,0.32); color:#fff!important; backdrop-filter:blur(8px); }
.btn-light:hover { background:rgba(255,255,255,0.26); transform:translateY(-2px); }
.btn-lg { padding:16px 36px; font-size:16px; }
.btn-block { width:100%; }

.page-hero { position:relative; padding:110px 0 96px; background:var(--gradient-main); overflow:hidden; }
.page-hero::before { content:""; position:absolute; top:0; left:0; right:0; bottom:0; background:url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity:0.26; }
.page-hero::after { content:""; position:absolute; bottom:-80px; right:-40px; width:360px; height:360px; background:radial-gradient(circle, rgba(6,182,212,0.45) 0%, transparent 70%); border-radius:50%; }
.page-hero .container { position:relative; z-index:2; }
.page-hero-content { max-width:780px; }
.hero-crumb { display:inline-flex; align-items:center; gap:10px; background:rgba(255,255,255,0.14); border:1px solid rgba(255,255,255,0.24); color:#fff; font-size:13px; padding:6px 16px; border-radius:30px; margin-bottom:28px; backdrop-filter:blur(6px); }
.hero-crumb a { color:rgba(255,255,255,0.85); }
.hero-crumb a:hover { color:#fff; }
.page-hero h1 { font-size:44px; font-weight:800; color:#fff; line-height:1.3; margin-bottom:18px; letter-spacing:0.5px; }
.page-hero h1 i { font-style:normal; background:linear-gradient(90deg,#7dd3fc,#a78bfa,#fbbf24); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.page-hero p { font-size:17px; color:rgba(255,255,255,0.88); max-width:680px; margin-bottom:32px; line-height:1.85; }
.hero-badges { display:flex; flex-wrap:wrap; gap:12px; margin-bottom:36px; }
.hero-badge { display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.22); border-radius:30px; padding:8px 18px; font-size:14px; color:#fff; backdrop-filter:blur(6px); }
.hero-badge i { color:#fbbf24; }
.hero-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:16px; margin-top:14px; }
.stat-chip { background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.18); border-radius:16px; padding:18px 20px; backdrop-filter:blur(8px); text-align:center; }

.section-head { text-align:center; margin-bottom:56px; }
.section-tag { display:inline-flex; align-items:center; gap:8px; background:rgba(37,99,235,0.08); color:var(--primary-blue); font-size:13px; font-weight:700; letter-spacing:1px; padding:6px 18px; border-radius:30px; margin-bottom:16px; }
.section-head h2 { font-size:34px; font-weight:800; line-height:1.3; color:var(--text-main); margin-bottom:14px; }
.section-head h2 span { color:var(--primary-blue); }
.section-head p { font-size:16px; color:var(--text-muted); max-width:680px; margin:0 auto; line-height:1.8; }

.reward-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-bottom:40px; }
.reward-card { position:relative; background:var(--bg-card); border-radius:var(--radius-lg); padding:32px 26px; border:1px solid var(--border); box-shadow:var(--shadow-sm); transition:var(--transition); overflow:hidden; }
.reward-card::before { content:""; position:absolute; top:0; left:0; right:0; height:4px; background:var(--gradient-main); opacity:0; transition:var(--transition); }
.reward-card:hover { transform:translateY(-8px); box-shadow:var(--shadow-md); border-color:rgba(37,99,235,0.25); }
.reward-card:hover::before { opacity:1; }
.reward-icon { width:60px; height:60px; border-radius:16px; display:flex; align-items:center; justify-content:center; font-size:24px; color:#fff; margin-bottom:20px; }
.icon-blue { background:linear-gradient(135deg,#2563eb,#60a5fa); }
.icon-violet { background:linear-gradient(135deg,#7c3aed,#c084fc); }
.icon-cyan { background:linear-gradient(135deg,#0e7490,#22d3ee); }
.icon-amber { background:linear-gradient(135deg,#d97706,#fbbf24); }
.reward-card h3 { font-size:19px; font-weight:700; margin-bottom:10px; color:var(--text-main); }
.reward-card p { font-size:14px; color:var(--text-muted); line-height:1.75; margin-bottom:16px; min-height:72px; }
.reward-link { font-size:14px; font-weight:600; color:var(--primary-blue); display:inline-flex; align-items:center; gap:6px; }
.reward-link i { transition:transform 0.25s; }
.reward-link:hover i { transform:translateX(5px); }
.reward-tag { position:absolute; top:18px; right:18px; background:rgba(239,68,68,0.1); color:#ef4444; font-size:12px; font-weight:700; padding:4px 12px; border-radius:20px; }

.flow-section { background:var(--bg-deep); position:relative; overflow:hidden; }
.flow-section::before { content:""; position:absolute; top:-120px; right:-90px; width:400px; height:400px; border-radius:50%; background:radial-gradient(circle, rgba(37,99,235,0.28) 0%, transparent 68%); }
.flow-section::after { content:""; position:absolute; bottom:-100px; left:-60px; width:300px; height:300px; border-radius:50%; background:radial-gradient(circle, rgba(124,58,237,0.24) 0%, transparent 70%); }
.flow-section .container { position:relative; z-index:2; }
.flow-section .section-head h2 { color:var(--text-light); }
.flow-section .section-head p { color:var(--text-soft); }
.flow-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; }
.flow-item { position:relative; padding:36px 26px; background:rgba(255,255,255,0.045); border:1px solid rgba(255,255,255,0.1); border-radius:var(--radius-lg); backdrop-filter:blur(6px); transition:var(--transition); }
.flow-item:hover { background:rgba(255,255,255,0.075); border-color:rgba(255,255,255,0.22); transform:translateY(-5px); }
.flow-num { font-size:15px; font-weight:800; color:rgba(255,255,255,0.5); letter-spacing:1px; margin-bottom:14px; }
.flow-item h3 { color:var(--text-light); font-size:18px; margin-bottom:10px; }
.flow-item p { color:var(--text-soft); font-size:14px; line-height:1.7; }
.flow-item::after { content:""; position:absolute; top:45px; right:-24px; width:14px; height:14px; border-top:2px solid rgba(255,255,255,0.2); border-right:2px solid rgba(255,255,255,0.2); transform:rotate(45deg); }
.flow-item:last-child::after { display:none; }

.news-list-wrap { max-width:900px; margin:0 auto; }
.news-item { display:flex; align-items:center; gap:24px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:22px 28px; margin-bottom:16px; box-shadow:var(--shadow-sm); transition:var(--transition); }
.news-item:hover { box-shadow:var(--shadow-md); transform:translateY(-3px); border-color:rgba(37,99,235,0.22); }
.news-date { text-align:center; flex-shrink:0; width:72px; padding:10px 0; background:rgba(37,99,235,0.06); border-radius:14px; }
.news-date .d { font-size:26px; font-weight:800; color:var(--primary-blue); line-height:1.2; }
.news-date .m { font-size:13px; color:var(--text-muted); }
.news-info { flex:1; min-width:0; }
.news-info h3 { font-size:17px; font-weight:700; margin-bottom:6px; color:var(--text-main); }
.news-info p { font-size:14px; color:var(--text-muted); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.news-more { flex-shrink:0; color:var(--primary-blue); font-size:14px; font-weight:600; }
.news-tag { display:inline-block; background:rgba(37,99,235,0.08); color:var(--primary-blue); font-size:12px; padding:2px 10px; border-radius:16px; margin-top:6px; }

.highlight-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.highlight-card { position:relative; border-radius:var(--radius-lg); overflow:hidden; background:var(--bg-card); border:1px solid var(--border); box-shadow:var(--shadow-sm); transition:var(--transition); display:flex; flex-direction:column; }
.highlight-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-md); }
.highlight-thumb { position:relative; height:220px; overflow:hidden; }
.highlight-thumb img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s; }
.highlight-card:hover .highlight-thumb img { transform:scale(1.05); }
.highlight-thumb .thumb-overlay { position:absolute; top:0; left:0; right:0; bottom:0; background:linear-gradient(180deg, rgba(15,23,42,0.1) 0%, rgba(15,23,42,0.65) 100%); }
.highlight-badge { position:absolute; top:16px; left:16px; background:rgba(255,255,255,0.92); color:var(--primary-blue); font-size:12px; font-weight:700; padding:5px 16px; border-radius:24px; box-shadow:var(--shadow-sm); }
.highlight-body { padding:26px 26px 30px; display:flex; flex-direction:column; flex:1; }
.highlight-body h3 { font-size:19px; font-weight:700; margin-bottom:10px; color:var(--text-main); line-height:1.5; }
.highlight-body p { font-size:14px; color:var(--text-muted); line-height:1.8; flex:1; margin-bottom:18px; }
.highlight-foot { display:flex; justify-content:space-between; align-items:center; border-top:1px solid var(--border); padding-top:16px; }
.highlight-foot span { font-size:14px; font-weight:700; color:var(--primary-blue); }
.highlight-foot small { font-size:13px; color:var(--text-soft); }

.faq-wrap { max-width:860px; margin:0 auto; }
.faq-item { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md); margin-bottom:14px; overflow:hidden; transition:var(--transition); }
.faq-item:hover { border-color:rgba(37,99,235,0.25); box-shadow:var(--shadow-sm); }
.faq-q { padding:20px 28px; font-size:16px; font-weight:700; color:var(--text-main); cursor:pointer; display:flex; align-items:flex-start; justify-content:space-between; gap:16px; }
.faq-q i { color:var(--primary-blue); font-size:15px; transition:transform 0.3s; }
.faq-a { padding:0 28px; max-height:0; overflow:hidden; transition:max-height 0.35s ease, padding 0.3s ease; }
.faq-a p { padding-bottom:22px; font-size:15px; color:var(--text-muted); line-height:1.8; }
.faq-item.active .faq-q i { transform:rotate(45deg); }
.faq-item.active .faq-a { max-height:400px; padding-top:4px; }

.cta-wrap { background:var(--gradient-main); border-radius:28px; padding:76px 60px; position:relative; overflow:hidden; text-align:center; box-shadow:var(--shadow-lg); }
.cta-wrap::before { content:""; position:absolute; top:-50px; left:-60px; width:260px; height:260px; border-radius:50%; background:rgba(255,255,255,0.08); }
.cta-wrap::after { content:""; position:absolute; bottom:-40px; right:-40px; width:200px; height:200px; border-radius:50%; background:rgba(6,182,212,0.25); }
.cta-wrap .container { position:relative; z-index:2; }
.cta-wrap h2 { color:var(--text-light); font-size:34px; font-weight:800; margin-bottom:16px; letter-spacing:0.5px; }
.cta-wrap p { color:rgba(255,255,255,0.88); font-size:17px; max-width:580px; margin:0 auto 36px; line-height:1.8; }
.cta-actions { display:flex; justify-content:center; gap:16px; flex-wrap:wrap; }
.cta-actions .btn-outline { border-color:rgba(255,255,255,0.5); color:#fff; background:rgba(255,255,255,0.1); }
.cta-actions .btn-outline:hover { background:rgba(255,255,255,0.2); }

.site-footer { background:var(--bg-deep); color:var(--text-soft); padding:70px 0 0; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.3fr; gap:48px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,0.08); }
.footer-brand p { font-size:14px; line-height:1.9; color:var(--text-soft); margin-top:16px; max-width:340px; }
.footer-social { display:flex; gap:12px; margin-top:22px; }
.footer-social a { width:40px; height:40px; border-radius:12px; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.1); display:flex; align-items:center; justify-content:center; color:var(--text-soft); font-size:16px; transition:var(--transition); }
.footer-social a:hover { background:var(--primary-blue); border-color:var(--primary-blue); color:#fff; transform:translateY(-3px); }
.site-footer .footer-brand .logo-text { color:var(--text-light); }
.site-footer .footer-brand .logo-text span { color:#60a5fa; }
.footer-col h4 { font-size:16px; font-weight:700; color:var(--text-light); margin-bottom:22px; }
.footer-col ul li { margin-bottom:12px; }
.footer-col ul a { font-size:14px; display:inline-flex; align-items:center; gap:7px; color:var(--text-soft); transition:var(--transition); }
.footer-col ul a:hover { color:var(--primary-blue); transform:translateX(4px); }
.footer-col ul a i { font-size:12px; color:rgba(255,255,255,0.3); }
.footer-contact div { display:flex; align-items:center; gap:12px; margin-bottom:14px; font-size:14px; }
.footer-contact i { color:var(--primary-blue); font-size:16px; }
.footer-bottom { padding:26px 0; text-align:center; font-size:13px; color:rgba(255,255,255,0.38); }

.faq-a p a, .news-info p a { color: var(--primary-blue); }
@media (max-width: 1024px) {
  .reward-grid { grid-template-columns:repeat(2,1fr); }
  .flow-grid { grid-template-columns:repeat(2,1fr); gap:20px; }
  .highlight-grid { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:36px; }
  .page-hero h1 { font-size:36px; }
  .section { padding:72px 0; }
  .cta-wrap { padding:56px 40px; }
  .nav-search input { width:160px; }
  .nav-search input:focus { width:200px; }
  .nav-menu a { padding:9px 12px; font-size:14px; }
}
@media (max-width: 768px) {
  .nav-shell { height:auto; padding:12px 0; flex-wrap:wrap; row-gap:12px; }
  .nav-menu { order:3; width:100%; overflow-x:auto; padding-bottom:6px; margin:0; justify-content:flex-start; }
  .nav-menu a { white-space:nowrap; padding:8px 14px; }
  .nav-actions { margin-left:auto; }
  .nav-search { display:none; }
  .page-hero { padding:72px 0 64px; }
  .page-hero h1 { font-size:30px; }
  .page-hero p { font-size:15px; }
  .section { padding:60px 0; }
  .section-head h2 { font-size:27px; }
  .section-head p { font-size:14px; }
  .reward-grid { grid-template-columns:1fr; gap:18px; }
  .reward-card p { min-height:auto; }
  .flow-grid { grid-template-columns:1fr; }
  .flow-item::after { display:none; }
  .highlight-grid { grid-template-columns:1fr; gap:20px; }
  .news-item { flex-wrap:wrap; padding:18px 20px; gap:14px; }
  .news-date { width:60px; }
  .news-date .d { font-size:20px; }
  .footer-grid { grid-template-columns:1fr; gap:30px; padding-bottom:40px; }
  .cta-wrap { padding:44px 24px; border-radius:20px; }
  .cta-wrap h2 { font-size:26px; }
  .cta-actions .btn { width:100%; }
  .hero-badges { gap:8px; }
  .hero-badge { padding:6px 12px; font-size:12px; }
  .hero-stats { grid-template-columns:repeat(2,1fr); }
  .nav-logo .logo-text { font-size:17px; }
  .logo-icon { width:38px; height:38px; font-size:16px; }
  .page-hero h1 { font-size:26px; }
  .faq-q { padding:16px 18px; font-size:15px; }
  .faq-a { padding:0 18px; }
  .footer-bottom { font-size:12px; }
}
@media (max-width: 520px) {
  .container { padding:0 16px; }
  .nav-search { display:none; }
  .nav-actions .btn { padding:10px 18px; font-size:13px; }
  .nav-menu a { font-size:14px; padding:7px 10px; }
  .page-hero h1 { font-size:23px; }
  .hero-badge { width:100%; justify-content:center; }
  .highlight-card .highlight-thumb { height:180px; }
  .cta-actions .btn { width:100%; }
}