/* roulang page: index */
:root{--bg:#0b0a10;--surface:#14121b;--surface-2:#1b1926;--primary:#ff2c7a;--secondary:#8b5cf6;--accent:#2fe6a7;--danger:#ff4d6a;--text:#f5f1f6;--text-2:#a89fae;--text-3:#6d6478;--border:rgba(255,255,255,.08);--radius:20px;--radius-sm:12px;--radius-pill:99px;--shadow-lg:0 24px 80px rgba(0,0,0,.5);--shadow-glow:0 0 40px rgba(255,44,122,.25);--font-main:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"Space Grotesk","JetBrains Mono",monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-main);font-size:16px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
ul,ol{list-style:none}
input,select,button{font-family:inherit;font-size:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:48px;gap:24px}
.section-head.center{flex-direction:column;align-items:center;text-align:center;gap:12px}
.section-head h2{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.section-head p{color:var(--text-2);font-size:16px;max-width:560px}
.text-link{color:var(--primary);font-weight:600;position:relative;padding-bottom:4px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .3s ease}
.text-link:hover::after{width:100%}
.badge{display:inline-block;padding:4px 14px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;background:rgba(139,92,246,.15);color:var(--secondary);border:1px solid rgba(139,92,246,.25)}
.badge-secondary{background:rgba(255,44,122,.12);color:var(--primary);border-color:rgba(255,44,122,.25)}
.badge-accent{background:rgba(47,230,167,.12);color:var(--accent);border-color:rgba(47,230,167,.25)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);font-weight:600;padding:14px 32px;border:1px solid transparent;cursor:pointer;transition:all .3s ease;font-size:16px;line-height:1.4}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 4px 24px rgba(255,44,122,.25)}
.btn-primary:hover{background:linear-gradient(135deg,#ff4d8f,var(--secondary));box-shadow:var(--shadow-glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 12px rgba(255,44,122,.15)}
.btn-ghost{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.2);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,44,122,.05)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:8px 20px;font-size:14px}
.btn-lg{padding:16px 40px;font-size:17px}
.btn-block{width:100%}
.arrow{transition:transform .3s ease;display:inline-block}
.btn:hover .arrow{transform:translateX(4px)}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:300;background:rgba(11,10,16,.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff;box-shadow:0 4px 16px rgba(255,44,122,.3)}
.brand-text{font-weight:800;font-size:20px;letter-spacing:-.02em}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{padding:8px 16px;border-radius:var(--radius-pill);font-size:15px;color:var(--text-2);position:relative}
.nav-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-list a.active{color:var(--primary);background:rgba(255,44,122,.08)}
.header-cta{margin-left:12px}
.progress-steps{background:rgba(27,25,38,.5);border-top:1px solid rgba(255,255,255,.04)}
.step-track{display:flex;gap:12px;padding:12px 24px;overflow-x:auto;scrollbar-width:none}
.step-track::-webkit-scrollbar{display:none}
.step{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.12);color:var(--text-2);transition:all .3s ease;white-space:nowrap}
.step:hover{border-color:var(--primary);color:var(--text)}
.step.is-active{background:linear-gradient(135deg,var(--primary),var(--secondary));border-color:transparent;color:#fff;box-shadow:0 4px 16px rgba(255,44,122,.25)}
.step-num{font-family:var(--font-mono);font-size:12px;opacity:.7}

/* Mobile nav */
@media(max-width:639px){
.nav-list{display:none}
.header-inner{flex-wrap:wrap;padding:14px 16px}
.header-cta{padding:8px 16px;font-size:13px}
.step-track{padding:10px 16px;gap:8px}
.step{padding:6px 14px;font-size:12px}
}

/* Hero */
.hero{position:relative;min-height:76vh;display:flex;align-items:center;padding:160px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,10,16,1) 0%,rgba(11,10,16,.82) 45%,rgba(11,10,16,.4) 100%)}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 20% 80%,rgba(255,255,255,.015) 0 1px,transparent 1px 4px);z-index:2}
.hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.hero-content h1{font-size:clamp(34px,5vw,60px);font-weight:900;line-height:1.1;letter-spacing:-.03em;margin-bottom:24px}
.hero-content h1 .grad{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:18px;color:var(--text-2);line-height:1.8;margin-bottom:36px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-dashboard{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius);overflow:hidden;background:rgba(20,18,27,.75);backdrop-filter:blur(16px);border:1px solid var(--border);box-shadow:var(--shadow-lg)}
.stat-card{padding:28px 24px;border-bottom:1px solid var(--border);position:relative}
.stat-card:nth-child(odd){border-right:1px solid var(--border)}
.stat-card:nth-child(n+3){border-bottom:none}
.stat-num{font-family:var(--font-mono);font-size:32px;font-weight:700;color:var(--text);letter-spacing:-.02em}
.stat-plus{font-family:var(--font-mono);font-size:20px;color:var(--primary);margin-left:2px}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}
.ring-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 16px}
.ring{width:64px;height:64px;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--ring-value)*1%),rgba(255,255,255,.08) 0);display:flex;align-items:center;justify-content:center;margin-bottom:10px;position:relative}
.ring::before{content:"";position:absolute;width:46px;height:46px;border-radius:50%;background:var(--surface)}
.ring-value{position:relative;font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--accent)}
@media(max-width:1023px){
.hero{padding:140px 0 60px}
.hero-inner{grid-template-columns:1fr;gap:40px}
.hero-dashboard{max-width:480px}
}
@media(max-width:639px){
.hero{min-height:auto;padding:130px 0 50px}
.hero-content h1{font-size:32px}
.hero-sub{font-size:16px}
.hero-dashboard{grid-template-columns:1fr}
.stat-card:nth-child(odd){border-right:none}
.stat-card{border-right:none;border-bottom:1px solid var(--border)}
.stat-card:last-child{border-bottom:none}
}

/* Matrix Section */
.matrix-section{background:var(--bg)}
.bento-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:auto;gap:20px;margin-bottom:48px}
.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;position:relative}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.bento-main{grid-column:span 7;grid-row:span 2;min-height:420px;position:relative}
.bento-main img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .5s ease}
.bento-main:hover img{transform:scale(1.03)}
.bento-main .card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(11,10,16,.95) 0%,rgba(11,10,16,.3) 55%,rgba(11,10,16,.1) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:32px;z-index:2}
.bento-main .card-overlay h3{font-size:clamp(22px,3vw,32px);font-weight:800;margin:12px 0 8px;line-height:1.3}
.bento-main .card-overlay p{color:var(--text-2);font-size:15px;margin-bottom:16px;max-width:420px}
.card-meta{display:flex;gap:20px;font-size:13px;color:var(--text-2)}
.card-meta span{display:flex;align-items:center;gap:6px}
.card-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.bento-item{grid-column:span 5;min-height:200px;position:relative;display:flex;align-items:flex-end}
.bento-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.bento-item:hover img{transform:scale(1.05)}
.bento-item .card-info{position:relative;z-index:2;width:100%;padding:20px;background:linear-gradient(to top,rgba(11,10,16,.92) 20%,rgba(11,10,16,.2) 100%)}
.bento-item h4{font-size:18px;font-weight:700;margin:6px 0 4px}
.item-num{font-family:var(--font-mono);font-size:13px;color:var(--secondary)}
.bento-mini{grid-column:span 4;min-height:100px;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:var(--surface);cursor:pointer}
.bento-mini:hover{background:var(--surface-2)}
.bento-mini strong{font-family:var(--font-mono);color:var(--accent)}
.mini-arrow{color:var(--primary);font-size:18px;transition:transform .3s ease}
.bento-mini:hover .mini-arrow{transform:translateX(4px)}
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:var(--surface);border-radius:var(--radius);padding:32px 24px;border:1px solid var(--border)}
.stat-band div{text-align:center;position:relative}
.stat-band div+div::before{content:"";position:absolute;left:-8px;top:50%;transform:translateY(-50%);width:1px;height:40px;background:var(--border)}
.stat-big{display:block;font-family:var(--font-mono);font-size:clamp(24px,3vw,36px);font-weight:700;color:var(--text)}
.stat-band div span:last-child{font-size:13px;color:var(--text-2);display:block;margin-top:4px}
@media(max-width:1023px){
.bento-main{grid-column:span 12}
.bento-item{grid-column:span 6}
.bento-mini{grid-column:span 6}
}
@media(max-width:639px){
.section{padding:64px 0}
.bento-item{grid-column:span 12;min-height:160px}
.bento-mini{grid-column:span 12}
.stat-band{grid-template-columns:repeat(2,1fr);gap:24px 12px}
.stat-band div:nth-child(2)::before{display:none}
.section-head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* Compare */
.compare-section{background:linear-gradient(180deg,var(--bg) 0%,var(--surface-2) 50%,var(--bg) 100%)}
.compare-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:48px}
.compare-col{background:rgba(20,18,27,.7);border-radius:var(--radius);padding:32px;border:1px solid var(--border)}
.compare-col.platform{border-color:rgba(255,44,122,.3);box-shadow:0 0 40px rgba(255,44,122,.08)}
.compare-badge{display:inline-block;padding:6px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;background:rgba(139,92,246,.15);color:var(--secondary);margin-bottom:24px}
.compare-col.platform .compare-badge{background:rgba(255,44,122,.15);color:var(--primary)}
.compare-row{display:grid;grid-template-columns:80px 1fr 1fr 70px 80px;align-items:center;gap:12px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.06)}
.compare-row:last-child{border-bottom:none}
.compare-label{font-size:13px;color:var(--text-2)}
.compare-bar{height:8px;border-radius:99px;overflow:hidden;background:rgba(255,255,255,.04)}
.compare-bar.left{background:rgba(139,92,246,.15)}
.compare-bar.left .fill{display:block;height:100%;background:var(--secondary);border-radius:99px}
.compare-bar.right{background:rgba(255,44,122,.15)}
.compare-bar.right .fill{display:block;height:100%;background:var(--primary);border-radius:99px}
.compare-pct{font-family:var(--font-mono);font-size:14px;font-weight:700;text-align:right}
.compare-col.platform .compare-pct{color:var(--primary)}
.compare-col.traditional .compare-pct{color:var(--secondary)}
.compare-col.platform .compare-label{color:var(--text)}
.compare-cta{background:linear-gradient(120deg,var(--primary),var(--secondary));border-radius:var(--radius);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;box-shadow:0 20px 60px rgba(255,44,122,.25)}
.compare-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent,rgba(255,255,255,.08));border:1px solid rgba(255,255,255,.2);border-radius:var(--radius)}
.compare-cta p{position:relative;z-index:2;font-size:20px;font-weight:700;color:#fff}
.compare-cta p small{display:block;font-weight:400;font-size:14px;opacity:.85;margin-top:6px}
.compare-cta .btn{position:relative;z-index:2;background:#fff;color:var(--primary);box-shadow:0 4px 20px rgba(0,0,0,.2)}
.compare-cta .btn:hover{background:#f0eef5;transform:translateY(-2px)}
@media(max-width:1023px){
.compare-panel{grid-template-columns:1fr}
.compare-row{grid-template-columns:70px 1fr 1fr 60px 70px}
}
@media(max-width:639px){
.compare-panel{padding:0}
.compare-col{padding:24px 16px}
.compare-row{grid-template-columns:60px 1fr 1fr 50px 60px;gap:8px;font-size:12px}
.compare-pct{font-size:12px}
.compare-cta{flex-direction:column;text-align:center;padding:32px 20px}
}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{border:none}
.accordion-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.accordion-item:first-child, .accordion-item:last-child{border-radius:var(--radius-sm)}
.accordion-title{font-size:18px;font-weight:700;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;background:var(--surface);color:var(--text) !important;border-bottom:1px solid transparent;transition:all .3s ease}
.accordion-title:hover{color:var(--primary) !important;background:var(--surface-2)}
.accordion-title::after{content:"+";font-size:28px;font-weight:400;color:var(--primary);transition:transform .3s ease;line-height:1}
.accordion-item.is-active .accordion-title::after{transform:rotate(45deg)}
.accordion-item.is-active .accordion-title{border-bottom-color:var(--border);background:var(--surface-2)}
.accordion-content{padding:20px 28px;background:rgba(27,25,38,.5);color:var(--text-2);font-size:15px}
@media(max-width:639px){
.accordion-title{font-size:16px;padding:20px}
.accordion-content{padding:16px 20px}
}

/* CTA */
.cta-section{background:linear-gradient(180deg,var(--bg),rgba(139,92,246,.06),var(--bg));position:relative}
.cta-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;opacity:.08}
.cta-card{max-width:720px;margin:0 auto;background:rgba(20,18,27,.9);border-radius:24px;padding:48px;border:1px solid var(--border);box-shadow:var(--shadow-lg);backdrop-filter:blur(12px);position:relative;z-index:2}
.cta-card h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:12px;text-align:center}
.cta-card>p{text-align:center;color:var(--text-2);margin-bottom:32px}
.cta-form .cell{margin-bottom:16px}
.cta-form input,.cta-form select{background:rgba(255,255,255,.04);border:1px solid transparent;border-radius:var(--radius-sm);padding:14px 18px;color:var(--text);height:auto;margin:0;transition:all .3s ease}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus,.cta-form select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,44,122,.15);background:rgba(255,255,255,.05)}
.cta-form select{background-color:var(--surface);color:var(--text-2)}
.cta-form select option{background:var(--surface);color:var(--text)}
.form-note{text-align:center;font-size:12px;color:var(--text-3);margin-top:16px}
@media(max-width:639px){
.cta-card{padding:32px 20px;border-radius:20px}
}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;line-height:1.8}
.footer-nav h4,.footer-tags h4,.footer-legal h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-nav a,.footer-tags a{display:block;color:var(--text-2);font-size:14px;padding:5px 0;transition:color .2s ease}
.footer-nav a:hover,.footer-tags a:hover{color:var(--primary)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags a{display:inline-block;padding:5px 16px;border-radius:99px;background:rgba(255,255,255,.04);border:1px solid var(--border);font-size:13px;margin:0}
.footer-tags a:hover{border-color:var(--primary);background:rgba(255,44,122,.06)}
.footer-legal p{color:var(--text-3);font-size:13px;line-height:1.8}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;text-align:center;color:var(--text-3);font-size:13px}
.footer-bottom a{color:var(--text-2)}
@media(max-width:1023px){
.footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:639px){
.footer-grid{grid-template-columns:1fr}
}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
.reveal{opacity:1;transform:none;transition:none}
.hero-bg img,.bento-main img,.bento-item img{transition:none}
}

/* Category page styles */
.breadcrumb{padding:130px 0 0;background:var(--bg)}
.breadcrumb-inner{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);padding:20px 0;border-bottom:1px solid var(--border)}
.breadcrumb-inner a{color:var(--text-2)}
.breadcrumb-inner a:hover{color:var(--primary)}
.archive-hero{position:relative;padding:60px 0;text-align:center;overflow:hidden}
.archive-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;z-index:0}
.archive-hero-bg::after{content:"";position:absolute;inset:0;background:rgba(11,10,16,.75)}
.archive-hero-inner{position:relative;z-index:2}
.archive-hero h1{font-size:clamp(28px,4vw,42px);font-weight:900;margin-bottom:12px}
.archive-hero p{color:var(--text-2);font-size:16px;max-width:620px;margin:0 auto}
.filter-bar{position:sticky;top:118px;z-index:100;background:rgba(11,10,16,.92);backdrop-filter:blur(20px);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px}
.filter-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.filter-chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:6px 18px;border-radius:99px;font-size:14px;background:rgba(255,255,255,.03);border:1px solid var(--border);color:var(--text-2);cursor:pointer;transition:all .25s ease}
.chip:hover{border-color:var(--primary);color:var(--text)}
.chip.is-active{background:linear-gradient(135deg,var(--primary),var(--secondary));border-color:transparent;color:#fff;box-shadow:0 4px 12px rgba(255,44,122,.2)}
.sort-select select{background:var(--surface);border:1px solid var(--border);border-radius:99px;padding:8px 16px;color:var(--text-2);font-size:14px;cursor:pointer;height:auto}
.sort-select select:focus{border-color:var(--primary)}
@media(max-width:639px){
.filter-inner{flex-direction:column;align-items:stretch;padding:12px 16px}
.sort-select select{width:100%}
}
.archive-list{padding:48px 0}
.list-row{display:grid;grid-template-columns:56px 120px 1fr 130px;align-items:center;gap:24px;padding:20px;margin-bottom:16px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:all .3s ease}
.list-row:hover{border-color:rgba(255,44,122,.3);box-shadow:0 8px 30px rgba(0,0,0,.3);transform:translateX(4px)}
.row-index{font-family:var(--font-mono);font-size:20px;font-weight:700;color:var(--text-3)}
.row-cover{width:120px;height:80px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}
.row-content h3{font-size:18px;font-weight:700;margin-bottom:4px}
.row-content .summary{color:var(--text-2);font-size:14px;line-height:1.6;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.row-tags{display:flex;gap:6px;flex-wrap:wrap}
.row-tags .tag{font-size:12px;padding:2px 10px;border-radius:99px;background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text-2)}
.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right}
.row-meta .heat{font-family:var(--font-mono);font-size:18px;font-weight:700;color:var(--accent)}
.row-meta .status{font-size:13px;color:var(--text-2)}
.row-meta .status.updating{color:var(--primary)}
.row-arrow{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text-2);transition:all .3s ease}
.list-row:hover .row-arrow{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateX(2px)}
@media(max-width:767px){
.list-row{grid-template-columns:40px 80px 1fr;gap:16px;padding:16px}
.row-meta{grid-column:span 3;flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;text-align:left}
.row-cover{width:80px;height:60px}
}
@media(max-width:639px){
.list-row{grid-template-columns:36px 70px 1fr;gap:12px;padding:14px}
.row-cover{width:70px;height:52px}
.row-content h3{font-size:16px}
.summary{display:none}
}
.pagination-wrap{padding:24px 0 64px}
.pagination li{display:inline-block;margin:0 4px}
.pagination a,.pagination .current{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:12px;font-size:14px;font-weight:600;background:var(--surface);border:1px solid var(--border);color:var(--text-2);transition:all .25s ease}
.pagination a:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,44,122,.05)}
.pagination .current{background:linear-gradient(135deg,var(--primary),var(--secondary));border-color:transparent;color:#fff;box-shadow:0 4px 12px rgba(255,44,122,.2)}
.pagination .ellipsis{color:var(--text-3);padding:0 4px}

/* roulang page: category1 */
:root{--bg:#0b0a10;--surface:#14121b;--surface-2:#1b1926;--primary:#ff2c7a;--secondary:#8b5cf6;--accent:#2fe6a7;--danger:#ff4d6a;--text:#f5f1f6;--text-2:#a89fae;--text-3:#6d6478;--border:rgba(255,255,255,.08);--radius:20px;--radius-sm:12px;--radius-pill:99px;--shadow-lg:0 24px 80px rgba(0,0,0,.5);--shadow-glow:0 0 40px rgba(255,44,122,.25);--font-main:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"Space Grotesk","JetBrains Mono",monospace;--header-h:122px}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-main);font-size:16px;line-height:1.7;overflow-x:hidden;margin:0;padding:0}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
input,select,button,textarea{font-family:inherit;font-size:inherit;outline:none;color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:48px;gap:24px}
.section-head h2{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.section-head p{color:var(--text-2);font-size:16px;max-width:560px}
.text-link{color:var(--primary);font-weight:600;position:relative;padding-bottom:4px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .3s ease}
.text-link:hover::after{width:100%}
.badge{display:inline-block;padding:4px 14px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;background:rgba(139,92,246,.15);color:var(--secondary);border:1px solid rgba(139,92,246,.25)}
.badge-secondary{background:rgba(255,44,122,.12);color:var(--primary);border-color:rgba(255,44,122,.25)}
.badge-accent{background:rgba(47,230,167,.12);color:var(--accent);border-color:rgba(47,230,167,.25)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);font-weight:600;padding:14px 32px;border:1px solid transparent;cursor:pointer;transition:all .3s ease;font-size:16px;line-height:1.4}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 4px 24px rgba(255,44,122,.25)}
.btn-primary:hover{background:linear-gradient(135deg,#ff4d8f,var(--secondary));box-shadow:var(--shadow-glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 12px rgba(255,44,122,.15)}
.btn-ghost{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.2);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,44,122,.05)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:8px 20px;font-size:14px}
.btn-lg{padding:16px 40px;font-size:17px}
.btn-block{width:100%}
.arrow{transition:transform .3s ease;display:inline-block}
.btn:hover .arrow{transform:translateX(4px)}
.site-header{position:fixed;top:0;left:0;right:0;z-index:300;background:rgba(11,10,16,.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff;box-shadow:0 4px 16px rgba(255,44,122,.3)}
.brand-text{font-weight:800;font-size:20px;letter-spacing:-.02em}
.main-nav .nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.main-nav .nav-list a{padding:8px 16px;border-radius:var(--radius-pill);font-size:15px;color:var(--text-2);position:relative;display:inline-block}
.main-nav .nav-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.main-nav .nav-list a.active{color:var(--primary);background:rgba(255,44,122,.08)}
.header-cta{margin-left:12px}
.menu-toggle{display:none;background:none;border:none;width:40px;height:40px;cursor:pointer;position:relative}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:5px auto;border-radius:2px;transition:all .3s ease}
.menu-toggle:hover span{background:var(--primary)}
.progress-steps{border-top:1px solid var(--border);background:rgba(11,10,16,.6)}
.step-track{display:flex;gap:10px;padding:10px 24px;max-width:1200px;margin:0 auto;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.step{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:var(--radius-pill);background:rgba(255,255,255,.03);border:1px solid var(--border);color:var(--text-2);font-size:14px;font-weight:600;white-space:nowrap;scroll-snap-align:start;transition:all .3s ease}
.step:hover{border-color:var(--primary);color:var(--text);background:rgba(255,44,122,.06)}
.step.is-active{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-color:transparent;box-shadow:0 4px 16px rgba(255,44,122,.3)}
.step-num{font-family:var(--font-mono);font-size:12px;opacity:.8}
body{padding-top:var(--header-h)}
@media (min-width:1024px){.main-nav{display:flex !important}}
@media (max-width:1023px){
.menu-toggle{display:block;order:1}
.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(11,10,16,.95);border-bottom:1px solid var(--border);padding:16px 24px;box-shadow:var(--shadow-lg)}
.main-nav.is-open{display:block}
.main-nav .nav-list{flex-direction:column;align-items:stretch;gap:4px}
.main-nav .nav-list a{display:block;padding:10px 16px}
.header-inner{flex-wrap:wrap;padding:14px 16px}
.header-cta{padding:8px 16px;font-size:13px;order:2}
.step-track{padding:8px 16px}
}
.breadcrumb{padding:14px 0;background:transparent;border-bottom:1px solid var(--border);margin-top:0}
.breadcrumb .container{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb-sep{color:var(--text-3);opacity:.5}
.cat-banner{position:relative;padding:120px 0 80px;background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;isolation:isolate}
.cat-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,10,16,.95) 0%,rgba(11,10,16,.75) 45%,rgba(11,10,16,.4) 100%);z-index:-1}
.cat-banner::after{content:"";position:absolute;inset:0;background-image:repeating-radial-gradient(circle at 70% 30%,rgba(255,255,255,.02) 0 1px,transparent 1px 4px);z-index:-1}
.cat-banner-content{position:relative;z-index:2;max-width:760px}
.cat-banner .badge{margin-bottom:20px}
.cat-banner h1{font-size:clamp(32px,4.5vw,52px);font-weight:900;line-height:1.15;letter-spacing:-.03em;margin-bottom:20px}
.cat-banner h1 .grad{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.cat-banner p{font-size:18px;color:var(--text-2);line-height:1.8;max-width:600px}
.cat-filter-wrap{position:sticky;top:122px;z-index:100;background:rgba(11,10,16,.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:16px 0}
.cat-filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.chip{display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--radius-pill);background:rgba(255,255,255,.03);border:1px solid var(--border);color:var(--text-2);font-size:14px;font-weight:500;cursor:pointer;transition:all .25s ease;user-select:none}
.chip:hover{border-color:var(--secondary);color:var(--text);background:rgba(139,92,246,.08)}
.chip.active{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-color:transparent;box-shadow:0 2px 12px rgba(255,44,122,.25)}
.chip .chip-count{font-size:11px;font-family:var(--font-mono);opacity:.7;margin-left:4px}
.sort-wrap{display:flex;align-items:center;gap:10px}
.sort-label{font-size:14px;color:var(--text-3)}
.dropdown-pane{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);padding:8px}
.dropdown-pane a{display:block;padding:8px 16px;border-radius:10px;color:var(--text-2);font-size:14px;transition:all .2s ease}
.dropdown-pane a:hover{background:rgba(255,255,255,.05);color:var(--primary)}
.sort-btn{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:var(--radius-pill);padding:8px 20px;color:var(--text);font-size:14px;display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:all .25s ease}
.sort-btn:hover{border-color:var(--primary);color:var(--primary)}
.cat-list-section{padding:64px 0 48px}
.list-card{display:flex;align-items:center;gap:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;transition:all .3s ease;position:relative;overflow:hidden}
.list-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--primary),var(--secondary));opacity:0;transition:opacity .3s ease}
.list-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(139,92,246,.25)}
.list-card:hover::before{opacity:1}
.list-index{font-family:var(--font-mono);font-size:20px;font-weight:700;color:var(--text-3);min-width:44px;text-align:center}
.list-thumb{flex:0 0 120px;height:150px;border-radius:var(--radius-sm);overflow:hidden;position:relative}
.list-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.list-card:hover .list-thumb img{transform:scale(1.05)}
.list-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,10,16,.3),transparent 50%);pointer-events:none}
.list-info{flex:1;min-width:0}
.list-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.list-title-row h3{font-size:20px;font-weight:700;margin:0;color:var(--text)}
.list-desc{font-size:15px;color:var(--text-2);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-meta{display:flex;align-items:center;gap:16px;flex-shrink:0}
.meta-num{display:flex;flex-direction:column;align-items:center;min-width:56px}
.meta-num strong{font-family:var(--font-mono);font-size:20px;color:var(--text);line-height:1.2}
.meta-num span{font-size:11px;color:var(--text-3);margin-top:2px}
.list-arrow{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.04);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:all .3s ease;margin-left:8px}
.list-arrow:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateX(3px)}
.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:6px}
.pagination-wrap{padding:24px 0 64px;display:flex;justify-content:center}
.pagination{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.pagination li{display:inline-block}
.pagination a,.pagination button{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 8px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);color:var(--text-2);font-size:14px;font-weight:500;transition:all .25s ease}
.pagination a:hover{background:rgba(255,44,122,.1);border-color:var(--primary);color:var(--primary)}
.pagination .current a,.pagination .current button{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-color:transparent;box-shadow:0 2px 12px rgba(255,44,122,.25)}
.pagination .disabled a,.pagination .disabled button{opacity:.4;pointer-events:none}
.cta-block{position:relative;padding:100px 0;background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;isolation:isolate}
.cta-block::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,16,.9),rgba(11,10,16,.75));z-index:-1}
.cta-card{max-width:720px;margin:0 auto;background:rgba(20,18,27,.9);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius);padding:48px 48px 40px;box-shadow:var(--shadow-lg);position:relative}
.cta-card h2{font-size:clamp(26px,3vw,36px);font-weight:800;text-align:center;margin-bottom:12px}
.cta-card h2 .grad{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.cta-card .cta-sub{text-align:center;color:var(--text-2);font-size:15px;margin-bottom:32px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text-2)}
.form-control{width:100%;padding:14px 18px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid transparent;color:var(--text);transition:all .25s ease;font-size:15px}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,44,122,.15);background:rgba(255,255,255,.06)}
select.form-control{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a89fae' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center;cursor:pointer}
.cta-note{text-align:right;font-size:12px;color:var(--text-3);margin-top:16px}
.site-footer{background:var(--bg);border-top:1px solid var(--border);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:48px;margin-bottom:40px}
.footer-brand .brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.7;margin:0}
.footer-nav,.footer-tags,.footer-legal h4{font-size:16px;font-weight:700;margin-bottom:16px}
.footer-nav a,.footer-tags a{display:block;padding:4px 0;font-size:14px;color:var(--text-2);transition:all .2s ease}
.footer-nav a:hover,.footer-tags a:hover{color:var(--primary);padding-left:4px}
.footer-tags a{display:inline-block;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--radius-pill);padding:4px 14px;font-size:13px;margin:0 6px 8px 0}
.footer-tags a:hover{background:rgba(255,44,122,.08);border-color:var(--primary);color:var(--primary);padding-left:14px}
.footer-legal p{font-size:13px;color:var(--text-3);line-height:1.7;margin:0}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3)}
.footer-bottom span{font-family:var(--font-mono)}
@media (max-width:1023px){
.cat-filter-wrap{top:auto;position:static}
.footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
.section{padding:64px 0}
.cat-banner{padding:80px 0 56px}
.cat-banner h1{font-size:32px}
.cat-banner p{font-size:16px}
.cat-filter-inner{flex-direction:column;align-items:flex-start}
.filter-chips{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.sort-wrap{width:100%}
.sort-btn{flex:1;justify-content:center}
.list-card{flex-direction:column;align-items:stretch;gap:14px;padding:16px}
.list-index{position:absolute;top:16px;left:16px;font-size:14px;z-index:3}
.list-thumb{flex:0 0 auto;width:100%;height:160px}
.list-info{width:100%}
.list-title-row{gap:6px}
.list-title-row h3{font-size:18px}
.list-desc{font-size:14px}
.list-meta{width:100%;display:flex;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:12px}
.list-arrow{display:none}
.footer-grid{grid-template-columns:1fr;gap:28px}
.cta-card{padding:32px 24px}
.form-field label{font-size:13px}
.cta-note{text-align:center}
.progress-steps .step-track{gap:8px;padding:8px 16px}
.step{padding:6px 14px;font-size:13px}
.header-inner{padding:12px 16px}
.brand-text{font-size:18px}
.brand-mark{width:34px;height:34px;font-size:16px}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{transition:none!important;animation:none!important}
html{scroll-behavior:auto}
}