/* roulang page: index */
:root{--bg:#080713;--bg2:#101020;--panel:#121225;--panel2:#17172D;--text:#F8FAFC;--muted:#CBD5E1;--weak:#94A3B8;--violet:#A855F7;--cyan:#22D3EE;--orange:#F97316;--gold:#FACC15;--green:#34D399;--border:rgba(168,85,247,.35);--border2:rgba(34,211,238,.28);--radius:24px;--shadow:0 24px 80px rgba(0,0,0,.38)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif;line-height:1.7;color:var(--text);background:radial-gradient(circle at 12% 0%,rgba(168,85,247,.24),transparent 34%),radial-gradient(circle at 92% 8%,rgba(34,211,238,.18),transparent 30%),linear-gradient(180deg,#080713 0%,#101020 52%,#080713 100%);overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),rgba(0,0,0,.12));z-index:-2}body:after{content:"";position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(135deg,rgba(255,255,255,.025) 0 1px,transparent 1px 7px);opacity:.45;z-index:-1}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.site-container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:-999px;top:10px;background:#fff;color:#111;padding:10px 14px;border-radius:10px;z-index:99}.skip-link:focus{left:16px}.nav-shell{position:sticky;top:0;z-index:50;background:rgba(8,7,19,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(34,211,238,.18);box-shadow:0 12px 40px rgba(0,0,0,.35)}.nav-shell:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--violet),var(--cyan),transparent)}.brand-mark{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em}.brand-icon{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--violet),var(--cyan));box-shadow:0 0 26px rgba(168,85,247,.45)}.nav-link{position:relative;color:#cbd5e1;font-weight:700;padding:10px 14px;border-radius:999px;transition:.25s}.nav-link:hover,.nav-link:focus{color:#fff;background:rgba(168,85,247,.12);outline:none}.nav-link.active{color:#fff;background:rgba(168,85,247,.22);box-shadow:inset 0 0 0 1px rgba(168,85,247,.45),0 0 22px rgba(168,85,247,.22)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 20px;font-weight:900;transition:.25s;border:1px solid transparent;min-height:48px}.btn-primary{background:linear-gradient(135deg,var(--violet),#7c3aed 45%,var(--orange));color:#fff;box-shadow:0 0 30px rgba(168,85,247,.35)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 42px rgba(249,115,22,.28),0 0 28px rgba(168,85,247,.34)}.btn-secondary{background:rgba(18,18,37,.85);border-color:var(--border2);color:#e0f2fe}.btn-secondary:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 0 28px rgba(34,211,238,.18)}.btn:focus-visible,.faq-btn:focus-visible,.mobile-toggle:focus-visible,input:focus-visible{outline:3px solid rgba(34,211,238,.55);outline-offset:3px}.section{padding:86px 0}.section-title{font-size:clamp(28px,4vw,38px);line-height:1.18;font-weight:950;letter-spacing:-.04em}.section-lead{margin-top:14px;color:var(--muted);font-size:16px;max-width:760px}.card{background:linear-gradient(180deg,rgba(23,23,45,.96),rgba(18,18,37,.96));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}.card:before{content:"";position:absolute;left:18px;right:18px;top:0;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan));opacity:.75}.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.48);box-shadow:0 28px 90px rgba(0,0,0,.42),0 0 28px rgba(168,85,247,.2)}.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900;border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.08);color:#cffafe}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 14px var(--green)}.burst{display:inline-grid;place-items:center;border-radius:34% 66% 58% 42%/48% 36% 64% 52%;background:linear-gradient(135deg,var(--gold),var(--orange));color:#1b0b05;font-weight:950;box-shadow:0 0 30px rgba(250,204,21,.28);transform:rotate(-5deg)}.hero{padding:74px 0 62px;position:relative}.hero-band{border:1px solid rgba(168,85,247,.38);border-radius:32px;background:linear-gradient(135deg,rgba(18,18,37,.94),rgba(15,12,34,.98));box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-band:before{content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;background:radial-gradient(circle,rgba(168,85,247,.34),transparent 60%);transform:rotate(18deg)}.hero-band:after{content:"";position:absolute;left:-12%;right:-12%;top:28%;height:90px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.16),rgba(168,85,247,.22),transparent);transform:rotate(-7deg)}.hero-content{position:relative;z-index:1}.icon-tile{border:1px solid rgba(34,211,238,.22);background:rgba(8,7,19,.48);border-radius:20px;padding:16px;transition:.25s}.icon-tile:hover{border-color:var(--cyan);box-shadow:0 0 26px rgba(34,211,238,.16);transform:translateY(-2px)}.count-box{border:1px solid rgba(250,204,21,.34);background:rgba(250,204,21,.08);border-radius:18px}.browser-card{border-radius:22px;background:#0d0d1b;border:1px solid rgba(34,211,238,.24);overflow:hidden}.browser-bar{height:38px;background:#17172d;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:7px;padding:0 14px}.browser-dot{width:10px;height:10px;border-radius:50%;background:#ef4444}.browser-dot:nth-child(2){background:#facc15}.browser-dot:nth-child(3){background:#34d399}.snap-x{scroll-snap-type:x mandatory}.snap-item{scroll-snap-align:center}.table-row{display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:16px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.08);align-items:center}.table-row:last-child{border-bottom:0}.quote-card:nth-child(2n){transform:translateY(20px)}.news-link{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:16px;border-radius:18px;border:1px solid rgba(255,255,255,.08);background:rgba(18,18,37,.62);transition:.25s}.news-link:hover{border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.07);transform:translateX(4px)}.faq-item{border:1px solid rgba(168,85,247,.25);background:rgba(18,18,37,.86);border-radius:20px;overflow:hidden}.faq-btn{width:100%;display:flex;justify-content:space-between;gap:18px;text-align:left;padding:20px 22px;font-weight:900}.faq-panel{display:none;padding:0 22px 20px;color:var(--muted)}.faq-item.open{border-color:rgba(34,211,238,.45);box-shadow:0 0 24px rgba(34,211,238,.1)}.faq-item.open .faq-panel{display:block}.mobile-panel{display:none}.mobile-panel.open{display:block}.footer{border-top:1px solid rgba(34,211,238,.18);background:rgba(5,5,14,.82);position:relative}.footer:before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent)}@media(max-width:1024px){.section{padding:68px 0}.quote-card:nth-child(2n){transform:none}.table-row{grid-template-columns:1fr}}@media(max-width:768px){.site-container{width:min(100% - 28px,1180px)}.desktop-nav{display:none}.mobile-toggle{display:inline-flex}.hero{padding-top:44px}.hero-band{border-radius:24px}.section{padding:56px 0}.btn{width:100%;padding:13px 16px}.table-row{border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:16px;margin-bottom:12px;background:rgba(8,7,19,.35)}}@media(min-width:769px){.mobile-toggle{display:none!important}.mobile-panel{display:none!important}}@media(max-width:520px){.brand-text{max-width:210px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero h1{font-size:31px}.burst{width:76px;height:76px;font-size:12px}.section-title{font-size:26px}}

/* roulang page: category1 */
:root{
      --bg:#080713;
      --bg-2:#101020;
      --panel:#121225;
      --panel-2:#17172d;
      --primary:#a855f7;
      --primary-2:#8b5cf6;
      --cyan:#22d3ee;
      --orange:#f97316;
      --yellow:#facc15;
      --green:#34d399;
      --text:#f8fafc;
      --muted:#cbd5e1;
      --weak:#94a3b8;
      --border:rgba(168,85,247,.35);
      --border-cyan:rgba(34,211,238,.28);
      --radius:24px;
      --shadow:0 24px 80px rgba(139,92,246,.22);
      --glow:0 0 28px rgba(34,211,238,.22),0 0 48px rgba(168,85,247,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.7;color:var(--text);background:var(--bg);overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background:radial-gradient(circle at 15% 8%,rgba(168,85,247,.28),transparent 32%),radial-gradient(circle at 86% 18%,rgba(34,211,238,.2),transparent 30%),radial-gradient(circle at 50% 90%,rgba(249,115,22,.12),transparent 32%),linear-gradient(180deg,#080713 0%,#101020 46%,#080713 100%)}
    body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 82%)}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none;color:inherit}
    img{max-width:100%;display:block}
    ::selection{background:rgba(168,85,247,.55);color:white}
    .site-container{width:min(1180px,calc(100% - 32px));margin-inline:auto}
    .section{padding:86px 0;position:relative}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--border-cyan);border-radius:999px;background:rgba(34,211,238,.08);color:#a5f3fc;font-size:13px;font-weight:700;letter-spacing:.02em}
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:99px;background:var(--green);box-shadow:0 0 16px var(--green)}
    .nav-shell{position:sticky;top:0;z-index:50;background:rgba(8,7,19,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(168,85,247,.22);box-shadow:0 12px 40px rgba(0,0,0,.32)}
    .nav-shell:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--primary),var(--cyan),transparent);opacity:.75}
    .brand-mark{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em;color:#fff}
    .brand-icon{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 0 26px rgba(168,85,247,.42);font-weight:950;color:white}
    .brand-text{max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 13px;border-radius:999px;color:var(--muted);font-size:14px;font-weight:700;border:1px solid transparent}
    .nav-link:hover{color:white;border-color:rgba(34,211,238,.26);background:rgba(34,211,238,.08);box-shadow:0 0 18px rgba(34,211,238,.12)}
    .nav-link.active{color:white;background:linear-gradient(135deg,rgba(168,85,247,.28),rgba(34,211,238,.13));border-color:rgba(168,85,247,.45);box-shadow:inset 0 0 18px rgba(168,85,247,.16),0 0 18px rgba(168,85,247,.16)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:13px 18px;border-radius:16px;font-weight:900;font-size:15px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;outline:none}
    .btn:focus-visible,.nav-link:focus-visible,.faq-btn:focus-visible{box-shadow:0 0 0 3px rgba(34,211,238,.34),0 0 0 6px rgba(168,85,247,.2)}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary{color:white;background:linear-gradient(135deg,var(--primary),var(--orange));box-shadow:0 16px 38px rgba(168,85,247,.26),0 0 24px rgba(249,115,22,.22)}
    .btn-primary:hover{box-shadow:0 20px 54px rgba(168,85,247,.36),0 0 32px rgba(249,115,22,.3)}
    .btn-secondary{color:#e0f2fe;border:1px solid var(--border-cyan);background:rgba(15,23,42,.72);box-shadow:inset 0 0 18px rgba(34,211,238,.06)}
    .btn-secondary:hover{border-color:rgba(34,211,238,.55);background:rgba(34,211,238,.1)}
    .mobile-toggle{display:none}
    .mobile-panel{display:none}
    .mobile-panel.open{display:block}
    .card{position:relative;border:1px solid var(--border);background:linear-gradient(180deg,rgba(23,23,45,.98),rgba(18,18,37,.98));border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .card:before{content:"";position:absolute;left:18px;right:18px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.75),rgba(168,85,247,.75),transparent);opacity:.72}
    .card-soft{border:1px solid rgba(255,255,255,.08);background:rgba(15,15,32,.76);border-radius:20px}
    .badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900;color:#ecfeff;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28)}
    .badge.orange{color:#fff7ed;background:rgba(249,115,22,.14);border-color:rgba(249,115,22,.36)}
    .badge.green{color:#d1fae5;background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.34)}
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 14px var(--green);display:inline-block;flex:0 0 auto}
    .hero{padding:74px 0 54px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:24px -20% auto auto;width:70%;height:240px;background:linear-gradient(100deg,transparent,rgba(168,85,247,.28),rgba(34,211,238,.16),transparent);filter:blur(18px);transform:rotate(-8deg);pointer-events:none}
    .stage-card{min-height:440px;border-radius:32px;background:linear-gradient(180deg,#151529,#101020);border:1px solid rgba(168,85,247,.4);box-shadow:var(--glow),0 28px 90px rgba(0,0,0,.32);position:relative;overflow:hidden}
    .stage-card:after{content:"";position:absolute;inset:auto -20% -30% -20%;height:230px;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 62%)}
    .browser-top{height:40px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:8px;padding:0 16px;background:rgba(255,255,255,.03)}
    .dot{width:10px;height:10px;border-radius:50%;background:#475569}.dot:nth-child(1){background:#fb7185}.dot:nth-child(2){background:#facc15}.dot:nth-child(3){background:#34d399}
    .starburst{position:absolute;right:20px;top:18px;width:92px;height:92px;border-radius:50%;display:grid;place-items:center;text-align:center;font-size:13px;line-height:1.25;font-weight:950;color:#1f1300;background:radial-gradient(circle,var(--yellow),var(--orange));box-shadow:0 0 34px rgba(249,115,22,.42);transform:rotate(10deg);z-index:3}
    .starburst:before{content:"";position:absolute;inset:-8px;border-radius:28px;background:inherit;z-index:-1;clip-path:polygon(50% 0%,61% 18%,82% 10%,81% 32%,100% 40%,83% 53%,92% 74%,68% 70%,58% 100%,43% 76%,20% 90%,23% 64%,0 56%,20% 42%,8% 18%,34% 23%)}
    .filter-pill{white-space:nowrap;border:1px solid rgba(168,85,247,.32);background:rgba(168,85,247,.08);color:#ddd6fe;border-radius:999px;padding:9px 13px;font-weight:800;font-size:14px;transition:all .2s ease}
    .filter-pill:hover,.filter-pill.active{border-color:rgba(34,211,238,.55);color:white;background:linear-gradient(135deg,rgba(168,85,247,.22),rgba(34,211,238,.12));box-shadow:0 0 22px rgba(34,211,238,.13)}
    .guide-card{transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.guide-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.48);box-shadow:0 22px 70px rgba(34,211,238,.12)}
    .timeline-item{position:relative;padding-left:34px}.timeline-item:before{content:"";position:absolute;left:9px;top:9px;bottom:-24px;width:1px;background:linear-gradient(var(--cyan),rgba(168,85,247,.1))}.timeline-item:last-child:before{display:none}.timeline-item:after{content:"";position:absolute;left:3px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
    .check-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;color:var(--muted);border-bottom:1px solid rgba(255,255,255,.06)}
    .check-list li:last-child{border-bottom:0}.check-list li:before{content:"✓";width:22px;height:22px;border-radius:8px;display:grid;place-items:center;background:rgba(52,211,153,.14);color:#86efac;font-weight:900;flex:0 0 auto;margin-top:2px}
    .faq-item{border:1px solid rgba(255,255,255,.09);border-radius:18px;background:rgba(18,18,37,.76);overflow:hidden;transition:all .2s ease}.faq-item.open{border-color:rgba(34,211,238,.36);box-shadow:0 0 24px rgba(34,211,238,.1)}
    .faq-btn{width:100%;padding:18px 20px;display:flex;justify-content:space-between;gap:16px;text-align:left;font-weight:900;color:#fff;outline:none}.faq-answer{display:none;padding:0 20px 18px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.faq-icon{color:var(--cyan);font-weight:950}
    .cta-panel{position:relative;border-radius:32px;padding:34px;border:1px solid rgba(250,204,21,.35);background:radial-gradient(circle at 16% 18%,rgba(250,204,21,.25),transparent 26%),linear-gradient(135deg,rgba(168,85,247,.95),rgba(249,115,22,.82));box-shadow:0 26px 90px rgba(249,115,22,.22),0 0 44px rgba(168,85,247,.22);overflow:hidden}.cta-panel:after{content:"";position:absolute;right:-80px;top:-80px;width:230px;height:230px;border-radius:50%;border:42px solid rgba(255,255,255,.1)}
    .footer{background:#070611;border-top:1px solid rgba(168,85,247,.24);position:relative}.footer:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--primary),transparent)}
    @media (max-width:1024px){.desktop-nav{display:none!important}.mobile-toggle{display:inline-flex}.hero{padding-top:54px}.section{padding:68px 0}.stage-card{min-height:auto}.starburst{width:78px;height:78px;font-size:12px}}
    @media (max-width:768px){.site-container{width:min(100% - 24px,1180px)}.brand-text{max-width:190px}.section{padding:54px 0}.hero h1{font-size:34px!important}.cta-panel{padding:24px;border-radius:24px}.filter-row{overflow:auto;padding-bottom:8px}.filter-row::-webkit-scrollbar{height:6px}.filter-row::-webkit-scrollbar-thumb{background:rgba(168,85,247,.45);border-radius:99px}}
    @media (max-width:520px){.brand-icon{width:34px;height:34px;border-radius:12px}.brand-text{max-width:160px}.btn{width:100%}.hero h1{font-size:30px!important}.starburst{position:static;margin:0 0 14px auto;transform:rotate(6deg)}.card{border-radius:20px}.nav-link{justify-content:flex-start}.stage-card{border-radius:24px}}