/* roulang page: index */
:root{
      --ink:#f7f8ff;--muted:#aeb7d2;--deep:#080b19;--deep-2:#10162b;
      --panel:#151d38;--panel-2:#1b2748;--line:rgba(255,255,255,.12);
      --violet:#8b6cff;--cyan:#43d9e8;--pink:#f36ca4;--gold:#ffc96b;
      --shadow:0 22px 70px rgba(0,0,0,.28);--radius:24px;--small-radius:14px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--deep);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,25,.82);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:24px}
    .brand{font-weight:900;font-size:24px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));display:grid;place-items:center;color:#0c1022;font-size:16px;box-shadow:0 0 24px rgba(103,155,255,.4)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{padding:9px 12px;color:var(--muted);font-size:14px;white-space:nowrap;border-radius:10px}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(139,108,255,.16)}
    .search-box{width:235px;position:relative;flex:none}
    .search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}
    .search-box input{height:42px;width:100%;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.07);color:#fff;outline:none}
    .search-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(67,217,232,.13)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}
    .hero{min-height:650px;position:relative;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(7,9,21,.96) 0%,rgba(9,12,29,.75) 42%,rgba(9,12,29,.35) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
    .hero::after{content:"";position:absolute;inset:auto 0 0;height:160px;background:linear-gradient(transparent,var(--deep))}
    .hero-content{position:relative;z-index:1;max-width:720px;padding:90px 0 105px}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#d8d1ff;background:rgba(139,108,255,.16);border:1px solid rgba(174,151,255,.32);border-radius:999px;padding:6px 13px;font-size:13px}
    .eyebrow i{color:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.045em;margin:24px 0 22px;max-width:760px}
    .hero-lead{font-size:18px;color:#d5daec;max-width:670px;line-height:1.9}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:14px;font-weight:700}
    .btn-primary{background:linear-gradient(120deg,var(--violet),#bd65e9);color:white;box-shadow:0 12px 28px rgba(139,108,255,.3)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 17px 34px rgba(139,108,255,.45)}
    .btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line);color:#fff}
    .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28)}
    .hero-data{display:flex;gap:30px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-data strong{display:block;color:#fff;font-size:21px;line-height:1.25}
    .section{padding:92px 0}
    .section.alt{background:#0c1124}
    .section-head{max-width:700px;margin-bottom:36px}
    .section-head h2{font-size:clamp(28px,4vw,45px);line-height:1.2;letter-spacing:-.035em;margin:12px 0 15px}
    .section-head p{color:var(--muted);font-size:16px;line-height:1.9}
    .kicker{color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:stretch}
    .story-copy{font-size:17px;color:#d5daec;line-height:2}
    .story-copy p{margin-bottom:20px}
    .quote-card{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(139,108,255,.2),rgba(67,217,232,.06));box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}
    .quote-card i{font-size:34px;color:var(--gold);margin-bottom:28px}
    .quote-card strong{font-size:20px;line-height:1.5}
    .quote-card small{color:var(--muted);margin-top:20px}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .topic-card{position:relative;min-height:190px;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:var(--panel)}
    .topic-card img{width:100%;height:100%;object-fit:cover;opacity:.6;transition:transform .5s,opacity .5s}
    .topic-card:hover img{transform:scale(1.08);opacity:.8}
    .topic-card::after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(8,11,25,.95))}
    .topic-card-content{position:absolute;z-index:1;left:20px;right:15px;bottom:17px}
    .topic-card h3{font-size:19px;margin-bottom:5px}
    .topic-card p{font-size:13px;color:#c4cbe0;margin:0;line-height:1.55}
    .feature-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:stretch}
    .feature-image{min-height:410px;border-radius:var(--radius);overflow:hidden;position:relative}
    .feature-image img{height:100%;width:100%;object-fit:cover}
    .feature-image .image-caption{position:absolute;left:24px;bottom:22px;right:24px}
    .image-caption strong{font-size:23px;display:block}
    .image-caption span{color:#d7dbee;font-size:13px}
    .feature-list{display:grid;gap:13px}
    .feature-item{display:flex;gap:18px;padding:22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045);transition:.25s}
    .feature-item:hover{border-color:rgba(67,217,232,.55);transform:translateX(4px)}
    .icon-box{width:42px;height:42px;flex:none;border-radius:13px;background:rgba(67,217,232,.13);color:var(--cyan);display:grid;place-items:center;font-size:18px}
    .feature-item h3{font-size:17px;margin:0 0 4px}
    .feature-item p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}
    .reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .reward-card{padding:27px;background:var(--panel);border:1px solid var(--line);border-radius:20px;position:relative;overflow:hidden}
    .reward-card::before{content:"";position:absolute;width:110px;height:110px;right:-30px;top:-30px;border-radius:50%;background:rgba(243,108,164,.14)}
    .reward-card .number{font-size:38px;font-weight:900;color:var(--gold);line-height:1}
    .reward-card h3{font-size:19px;margin:18px 0 8px}
    .reward-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}
    .progress-layout{display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .progress-panel,.guide-panel{padding:31px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(145deg,var(--panel),#10172e)}
    .progress-panel h3,.guide-panel h3{font-size:22px;margin-bottom:8px}
    .progress-panel>p,.guide-panel>p{color:var(--muted)}
    .progress-row{margin:23px 0}
    .progress-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px}
    .progress-label span:last-child{color:var(--cyan)}
    .progress-bar{height:9px;border-radius:99px;background:#293252;overflow:hidden}
    .progress-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--violet))}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .stat{background:#111830;padding:30px 22px;text-align:center}
    .stat strong{display:block;font-size:34px;line-height:1.25;background:linear-gradient(90deg,var(--cyan),#bda7ff);-webkit-background-clip:text;color:transparent}
    .stat span{color:var(--muted);font-size:13px}
    .guide-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:13px}
    .guide-list li{display:flex;gap:12px;align-items:flex-start;color:#d5daec}
    .guide-list i{color:var(--gold);margin-top:5px}
    .rank-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:25px}
    .rank-list{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--panel)}
    .rank-item{display:grid;grid-template-columns:45px 1fr auto;gap:15px;align-items:center;padding:18px 21px;border-bottom:1px solid var(--line)}
    .rank-item:last-child{border-bottom:0}
    .rank-no{font-size:21px;font-weight:900;color:var(--gold)}
    .rank-item h3{font-size:16px;margin:0 0 3px}
    .rank-item p{margin:0;color:var(--muted);font-size:13px}
    .trend{font-size:13px;color:var(--cyan)}
    .promo-card{border-radius:20px;padding:31px;background:linear-gradient(145deg,#29215d,#142e4e);border:1px solid rgba(139,108,255,.34);display:flex;flex-direction:column;justify-content:center}
    .promo-card h3{font-size:27px;line-height:1.35}
    .promo-card p{color:#d1d7ea}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:25px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center}
    .news-date{color:var(--cyan);font-size:13px}
    .news-item h3{font-size:17px;margin:0 0 5px}
    .news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .read-more{font-size:13px;color:#c5baff;white-space:nowrap}
    .read-more:hover{color:var(--cyan)}
    .news-side{padding:28px;border-radius:22px;background:var(--panel);border:1px solid var(--line)}
    .news-side img{height:165px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:20px}
    .news-side h3{font-size:21px}
    .news-side p{color:var(--muted);font-size:14px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline-item{position:relative;padding:25px 24px 24px;border-left:2px solid var(--violet);background:rgba(255,255,255,.035);border-radius:0 18px 18px 0}
    .timeline-item::before{content:"";width:10px;height:10px;position:absolute;left:-6px;top:27px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(67,217,232,.12)}
    .timeline-item time{color:var(--gold);font-size:13px}
    .timeline-item h3{font-size:18px;margin:10px 0 7px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .brand-section{background:linear-gradient(120deg,#121a38,#16122e)}
    .brand-story{max-width:850px;font-size:18px;line-height:2;color:#dce0ef}
    .brand-story strong{color:#fff}
    .testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .testimonial{padding:27px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}
    .stars{color:var(--gold);letter-spacing:3px;margin-bottom:16px}
    .testimonial p{color:#d9deef;font-size:15px;line-height:1.85}
    .user{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:13px}
    .avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--violet),var(--cyan));color:#10132a;font-weight:800}
    .faq-list{max-width:900px;display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.04);overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:transparent;color:#fff;border:0;padding:20px 22px;font-weight:700}
    .faq-question i{color:var(--cyan);transition:.25s}
    .faq-answer{display:none;color:var(--muted);padding:0 22px 20px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{transform:rotate(45deg)}
    .cta-section{padding:80px 0}
    .cta-box{padding:55px 60px;border-radius:30px;background:linear-gradient(120deg,rgba(139,108,255,.75),rgba(35,163,190,.55)),url('/assets/images/backpic/back-2.jpg') center/cover;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(28px,4vw,44px);margin-bottom:12px}
    .cta-box p{color:#eef0ff;max-width:650px;margin:0}
    .cta-box .btn{background:#fff;color:#28205a}
    .site-footer{padding:48px 0 26px;border-top:1px solid var(--line);background:#070a16}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px;padding-bottom:38px}
    .footer-brand p{color:var(--muted);max-width:300px;font-size:14px}
    .footer-col h3{font-size:15px;margin:0 0 14px}
    .footer-col a{display:block;color:var(--muted);font-size:13px;margin:8px 0}
    .footer-col a:hover{color:var(--cyan)}
    .footer-bottom{padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#7f89a8;font-size:12px}
    .footer-bottom a{color:#aeb7d2}
    .notice{padding:14px 18px;border-radius:13px;background:rgba(255,201,107,.08);border:1px solid rgba(255,201,107,.2);color:#d9c995;font-size:13px;margin-top:20px}
    :focus-visible{outline:3px solid rgba(67,217,232,.55);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding:8px 8px}.search-box{width:190px}
      .topic-grid{grid-template-columns:repeat(2,1fr)}.intro-grid,.feature-layout,.rank-layout,.news-layout{grid-template-columns:1fr}
      .feature-image{min-height:330px}.timeline{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .nav-wrap{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:13px 20px;background:#0d1225;border-bottom:1px solid var(--line);flex-wrap:wrap}
      .nav-links.show{display:flex}.nav-links a{flex:0 0 auto}.search-box{order:3;width:100%;display:none}.nav-wrap.search-open .search-box{display:block;position:absolute;top:76px;left:20px;right:20px;width:auto}
      .hero{min-height:650px}.hero-content{padding:80px 0 100px}h1{font-size:46px}.section{padding:68px 0}
      .reward-grid,.testimonial-grid,.timeline{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}
      .news-item{grid-template-columns:1fr;gap:4px}.read-more{margin-top:7px}.cta-box{padding:38px 28px;display:block}.cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:min(100% - 28px,var(--container))}.brand{font-size:21px}.brand-mark{width:30px;height:30px}
      .topic-grid{grid-template-columns:1fr}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}.hero-data{gap:18px}
      .feature-image{min-height:260px}.stat strong{font-size:27px}.stat{padding:22px 10px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category2 */
:root{
      --ink:#f7f8ff;--muted:#aeb7d2;--deep:#080b19;--deep-2:#10162b;
      --panel:#151d38;--panel-2:#1b2748;--line:rgba(255,255,255,.12);
      --violet:#8b6cff;--cyan:#43d9e8;--pink:#f36ca4;--gold:#ffc96b;
      --shadow:0 22px 70px rgba(0,0,0,.28);--radius:24px;--small-radius:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--deep);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}
    h1,h2,h3,p{margin-top:0}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,25,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:20px}
    .brand{font-weight:900;font-size:24px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));display:grid;place-items:center;color:#0c1022;font-size:16px;box-shadow:0 0 24px rgba(103,155,255,.4)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{padding:9px 12px;color:var(--muted);font-size:14px;white-space:nowrap;border-radius:10px}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(139,108,255,.16)}
    .search-box{width:235px;position:relative;flex:none}
    .search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}
    .search-box input{height:42px;width:100%;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.07);color:#fff;outline:none}
    .search-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(67,217,232,.13)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}
    .hero{position:relative;min-height:540px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(7,9,21,.96),rgba(9,12,29,.75) 48%,rgba(9,12,29,.36)),url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:140px;background:linear-gradient(transparent,var(--deep))}
    .hero-content{position:relative;z-index:1;max-width:690px;padding:82px 0 92px}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#d8d1ff;background:rgba(139,108,255,.16);border:1px solid rgba(174,151,255,.32);border-radius:999px;padding:6px 13px;font-size:13px}
    .eyebrow i{color:var(--cyan)}
    h1{font-size:clamp(38px,6vw,68px);line-height:1.12;letter-spacing:-.055em;margin:19px 0}
    .hero-lead{font-size:18px;color:#d5daec;max-width:650px;line-height:1.9}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:14px;font-weight:700}
    .btn-primary{background:linear-gradient(120deg,var(--violet),#bd65e9);color:white;box-shadow:0 12px 28px rgba(139,108,255,.3)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 17px 34px rgba(139,108,255,.45)}
    .btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line);color:#fff}
    .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28)}
    .hero-data{display:flex;gap:30px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-data strong{display:block;color:#fff;font-size:21px;line-height:1.25}
    .section{padding:86px 0}
    .section.alt{background:#0c1124}
    .section-head{max-width:720px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,45px);line-height:1.2;letter-spacing:-.035em;margin:12px 0 15px}
    .section-head p{color:var(--muted);font-size:16px;line-height:1.9}
    .split{display:grid;grid-template-columns:1.04fr .96fr;gap:38px;align-items:center}
    .copy p{color:var(--muted);font-size:16px;line-height:2}
    .visual-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);box-shadow:var(--shadow)}
    .visual-card img{width:100%;height:310px;object-fit:cover}
    .visual-caption{padding:23px 26px}
    .visual-caption h3{margin:0 0 7px;font-size:21px}
    .visual-caption p{margin:0;color:var(--muted)}
    .panel{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(139,108,255,.17),rgba(67,217,232,.05));box-shadow:var(--shadow)}
    .panel h3{font-size:22px;margin:0 0 8px}
    .panel p{color:var(--muted)}
    .progress-wrap{display:flex;align-items:center;gap:28px;margin:22px 0}
    .progress-ring{width:136px;height:136px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--cyan) 0 72%,rgba(255,255,255,.1) 72% 100%);position:relative;flex:none}
    .progress-ring:after{content:"";position:absolute;inset:10px;background:var(--deep-2);border-radius:50%}
    .progress-ring strong{position:relative;z-index:1;font-size:27px}
    .milestones{display:grid;gap:12px;flex:1}
    .milestone{display:flex;justify-content:space-between;gap:15px;padding-bottom:10px;border-bottom:1px solid var(--line);color:var(--muted)}
    .milestone b{color:#fff}
    .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .tier{padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--panel);position:relative;transition:.25s}
    .tier:hover{transform:translateY(-5px);border-color:rgba(67,217,232,.58);box-shadow:var(--shadow)}
    .tier.featured{background:linear-gradient(145deg,#282452,#17243f);border-color:rgba(243,108,164,.55)}
    .tier .price{font-size:29px;font-weight:900;color:var(--gold)}
    .tier h3{margin:15px 0 6px;font-size:19px}
    .tier p{color:var(--muted);font-size:14px;margin:0}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .stat{background:var(--panel);padding:25px 20px}
    .stat strong{display:block;font-size:31px;color:var(--cyan);line-height:1.2}
    .stat span{color:var(--muted);font-size:13px}
    .event-list{display:grid;gap:13px}
    .event-item{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:20px;padding:21px 24px;background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:17px;transition:.25s}
    .event-item:hover{background:rgba(139,108,255,.11);border-color:rgba(139,108,255,.5);transform:translateX(4px)}
    .event-date{font-weight:800;color:var(--gold)}
    .event-item h3{margin:0 0 3px;font-size:17px}
    .event-item p{margin:0;color:var(--muted);font-size:14px}
    .event-tag{font-size:12px;color:#c8faff;background:rgba(67,217,232,.11);border:1px solid rgba(67,217,232,.3);border-radius:999px;padding:5px 10px;white-space:nowrap}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{padding:27px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}
    .step-no{color:var(--pink);font-size:34px;font-weight:900}
    .step h3{margin:10px 0 7px;font-size:19px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .quote-card{padding:33px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(243,108,164,.16),rgba(139,108,255,.16));border:1px solid var(--line)}
    .quote-card i{font-size:32px;color:var(--gold)}
    .quote-card blockquote{font-size:21px;line-height:1.7;margin:20px 0;font-weight:700}
    .quote-card cite{color:var(--muted);font-style:normal}
    .faq-list{display:grid;gap:12px;max-width:880px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04);overflow:hidden}
    .faq-item button{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:19px 22px;background:transparent;border:0;color:#fff;font-weight:700}
    .faq-item button i{color:var(--cyan);transition:.25s}
    .faq-item.open button i{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 22px 19px;color:var(--muted);line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:57px 0;background:linear-gradient(115deg,#201b4a,#162f45);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta h2{font-size:clamp(26px,4vw,40px);margin:0 0 8px}
    .cta p{color:#c1c9df;margin:0;max-width:650px}
    .site-footer{padding:58px 0 24px;background:#070a16}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid var(--line)}
    .footer-brand p{color:var(--muted);max-width:310px;margin:17px 0}
    .notice{font-size:12px;color:#8994b2;border-left:3px solid var(--gold);padding-left:12px}
    .footer-col{display:grid;align-content:start;gap:9px}
    .footer-col h3{font-size:15px;margin:0 0 7px;color:#fff}
    .footer-col a{font-size:14px;color:var(--muted)}
    .footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#7f89a5;font-size:12px}
    .footer-bottom span:last-child{text-align:right}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    @media(max-width:1024px){.nav-links a{padding:8px 8px}.search-box{width:190px}.tier-grid,.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-wrap{position:relative}.menu-toggle{display:block;margin-left:auto}.search-box{order:3;width:100%;display:none}.nav-links{display:none;position:absolute;left:0;right:0;top:78px;padding:12px;background:rgba(8,11,25,.98);border:1px solid var(--line);border-radius:0 0 16px 16px;flex-wrap:wrap}.nav-links.open{display:flex}.nav-links a{flex:1 0 30%}.split{grid-template-columns:1fr}.hero{min-height:570px}.stat-grid{grid-template-columns:repeat(2,1fr)}.event-item{grid-template-columns:1fr auto;gap:8px}.event-item p{grid-column:1/-1}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}.footer-bottom span:last-child{text-align:left}}
    @media(max-width:520px){.container{width:min(var(--container),calc(100% - 28px))}.brand{font-size:21px}.hero-content{padding:68px 0 82px}.hero-lead{font-size:16px}.section{padding:65px 0}.tier-grid,.steps{grid-template-columns:1fr}.progress-wrap{align-items:flex-start;flex-direction:column}.progress-ring{width:120px;height:120px}.footer-grid{grid-template-columns:1fr}.nav-links a{flex-basis:45%}.cta-inner{display:block}.cta .btn{margin-top:22px;width:100%}}

/* roulang page: category1 */
:root{--ink:#f7f8ff;--muted:#aeb7d2;--deep:#080b19;--deep-2:#10162b;--panel:#151d38;--panel-2:#1b2748;--line:rgba(255,255,255,.12);--violet:#8b6cff;--cyan:#43d9e8;--pink:#f36ca4;--gold:#ffc96b;--shadow:0 22px 70px rgba(0,0,0,.28);--radius:24px;--small-radius:14px;--container:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--deep);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}a{color:inherit;text-decoration:none;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,25,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav-wrap{min-height:78px;display:flex;align-items:center;gap:24px}.brand{font-weight:900;font-size:24px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));display:grid;place-items:center;color:#0c1022;font-size:16px;box-shadow:0 0 24px rgba(103,155,255,.4)}.nav-links{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}.nav-links::-webkit-scrollbar{display:none}.nav-links a{padding:9px 12px;color:var(--muted);font-size:14px;white-space:nowrap;border-radius:10px}.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(139,108,255,.16)}.search-box{width:235px;position:relative;flex:none}.search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}.search-box input{height:42px;width:100%;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.07);color:#fff;outline:none}.search-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(67,217,232,.13)}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}
    .hero{position:relative;overflow:hidden;background-image:linear-gradient(90deg,rgba(7,9,21,.98),rgba(9,12,29,.78)),url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center}.hero .container{min-height:570px;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;padding:70px 0}.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#d8d1ff;background:rgba(139,108,255,.16);border:1px solid rgba(174,151,255,.32);border-radius:999px;padding:6px 13px;font-size:13px}.eyebrow i{color:var(--cyan)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(36px,5vw,64px);line-height:1.13;letter-spacing:-.045em;margin:20px 0}.hero-lead{font-size:18px;color:#d5daec;line-height:1.9;max-width:650px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:14px;font-weight:700}.btn-primary{background:linear-gradient(120deg,var(--violet),#bd65e9);color:white;box-shadow:0 12px 28px rgba(139,108,255,.3)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 17px 34px rgba(139,108,255,.45)}.btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28)}.hero-data{display:flex;gap:28px;flex-wrap:wrap;color:var(--muted);font-size:13px}.hero-data strong{display:block;color:#fff;font-size:21px;line-height:1.25}
    .rank-panel{padding:25px;border:1px solid rgba(255,255,255,.17);border-radius:var(--radius);background:rgba(12,17,39,.76);box-shadow:var(--shadow);backdrop-filter:blur(10px)}.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.panel-top h2{font-size:19px;margin:0}.live{color:var(--cyan);font-size:12px}.rank-item{display:grid;grid-template-columns:35px 1fr auto;gap:12px;align-items:center;padding:15px 0;border-top:1px solid var(--line)}.rank-no{font-size:21px;color:var(--gold);font-weight:900}.rank-item h3{font-size:15px;margin:0 0 3px}.rank-item p{font-size:12px;color:var(--muted);margin:0}.rank-score{font-size:13px;color:var(--cyan)}
    .section{padding:86px 0}.section.alt{background:#0c1124}.section-head{max-width:730px;margin-bottom:34px}.section-head h2{font-size:clamp(28px,4vw,45px);line-height:1.2;letter-spacing:-.035em;margin:12px 0 15px}.section-head p{color:var(--muted);font-size:16px;line-height:1.9}.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.split img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}.copy p{color:var(--muted);line-height:1.9}.check-list{list-style:none;margin:24px 0 0;padding:0}.check-list li{display:flex;gap:12px;margin:15px 0;color:#dce1f2}.check-list i{color:var(--cyan);margin-top:6px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}.metric{padding:27px 22px;background:var(--panel)}.metric strong{display:block;font-size:34px;color:var(--gold);line-height:1.2}.metric span{color:var(--muted);font-size:13px}.feature-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}.feature-image{min-height:410px;position:relative;overflow:hidden;border-radius:var(--radius)}.feature-image img{height:100%;width:100%;object-fit:cover}.image-caption{position:absolute;bottom:20px;left:22px;right:22px;padding:18px;border-radius:15px;background:rgba(8,11,25,.76);backdrop-filter:blur(8px)}.image-caption strong{font-size:19px}.feature-list{display:grid;gap:13px}.feature-item{display:flex;gap:17px;padding:21px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045);transition:.25s}.feature-item:hover{border-color:rgba(67,217,232,.55);transform:translateX(4px)}.feature-item .icon{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:12px;background:rgba(139,108,255,.18);color:var(--cyan)}.feature-item h3{font-size:17px;margin:0 0 4px}.feature-item p{color:var(--muted);font-size:14px;line-height:1.65;margin:0}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario{padding:26px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(139,108,255,.13),rgba(255,255,255,.035));transition:.25s}.scenario:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(139,108,255,.5)}.scenario h3{font-size:19px;margin:15px 0 8px}.scenario p{color:var(--muted);font-size:14px;margin:0;line-height:1.75}.scenario .badge{padding:4px 9px;font-size:11px;color:var(--gold)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}.step{padding:28px 24px 10px;border-right:1px solid var(--line);position:relative}.step:last-child{border:0}.step-num{font-size:35px;font-weight:900;color:var(--violet)}.step h3{font-size:18px;margin:8px 0}.step p{color:var(--muted);font-size:14px;line-height:1.75}
    .quote{padding:36px 42px;border-radius:var(--radius);background:linear-gradient(125deg,#1b2450,#101a34);border:1px solid rgba(139,108,255,.35);position:relative}.quote i{font-size:28px;color:var(--gold)}.quote blockquote{font-size:22px;line-height:1.7;margin:18px 0;color:#f5f6ff}.quote cite{color:var(--muted);font-style:normal}.faq{max-width:850px}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;border:0;color:#fff;padding:20px 0;font-weight:700}.faq-question i{color:var(--cyan);transition:.25s}.faq-answer{display:none;color:var(--muted);padding:0 35px 20px 0;line-height:1.85}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question i{transform:rotate(45deg)}.cta{padding:58px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(139,108,255,.86),rgba(67,217,232,.46)),url('/assets/images/backpic/back-3.webp') center/cover;display:flex;justify-content:space-between;align-items:center;gap:28px}.cta h2{font-size:clamp(28px,4vw,43px);margin-bottom:10px}.cta p{margin:0;color:#edf1ff;max-width:650px}.site-footer{padding:58px 0 24px;background:#070a16;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--muted);max-width:310px}.notice{display:inline-block;color:#d8d1ff;background:rgba(139,108,255,.12);border:1px solid var(--line);padding:8px 12px;border-radius:10px;font-size:12px}.footer-col h3{font-size:15px;margin-bottom:14px}.footer-col a{display:block;color:var(--muted);font-size:14px;margin:8px 0}.footer-col a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:20px;color:#7f8aa8;font-size:12px}.footer-bottom a:hover{color:#fff}
    :focus-visible{outline:3px solid rgba(67,217,232,.6);outline-offset:3px}
    @media(max-width:1024px){.nav-wrap{gap:14px}.nav-links a{padding:8px 8px}.search-box{width:190px}.hero .container{gap:28px}.metric-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 30px))}.nav-wrap{min-height:68px;flex-wrap:wrap}.menu-toggle{display:block;margin-left:auto}.search-box{order:3;width:100%;padding-bottom:12px}.nav-links{display:none;order:4;flex-basis:100%;padding-bottom:10px}.nav-links.show{display:flex}.hero .container,.split,.feature-layout{grid-template-columns:1fr}.hero .container{padding:65px 0 80px}.hero{background-position:62% center}.rank-panel{margin-top:5px}.section{padding:65px 0}.scenario-grid,.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line);padding-left:0}.feature-image{min-height:300px}.cta{display:block;padding:35px 26px}.cta .btn{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}}
    @media(max-width:520px){.brand{font-size:21px}.hero h1{font-size:39px}.hero-lead{font-size:16px}.hero-data{gap:18px}.metric-grid{grid-template-columns:1fr 1fr}.metric{padding:21px 15px}.metric strong{font-size:27px}.split img{height:275px}.quote{padding:27px 23px}.quote blockquote{font-size:18px}.footer-grid{grid-template-columns:1fr}.footer-col{border-top:1px solid var(--line);padding-top:17px}}

/* roulang page: category3 */
:root{
      --ink:#f7f8ff;
      --muted:#aeb7d2;
      --deep:#080b19;
      --deep-2:#10162b;
      --panel:#151d38;
      --panel-2:#1b2748;
      --line:rgba(255,255,255,.12);
      --violet:#8b6cff;
      --cyan:#43d9e8;
      --pink:#f36ca4;
      --gold:#ffc96b;
      --green:#67e4b2;
      --shadow:0 22px 70px rgba(0,0,0,.28);
      --radius:24px;
      --small-radius:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--deep);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:15px;
      line-height:1.75;
      overflow-x:hidden;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(8,11,25,.84);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:24px;
      font-weight:900;
      letter-spacing:.04em;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      color:#0c1022;
      font-size:16px;
      border-radius:11px;
      background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));
      box-shadow:0 0 24px rgba(103,155,255,.4);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      flex:1;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      padding:9px 12px;
      border-radius:10px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:#fff;
      background:rgba(139,108,255,.16);
    }
    .search-box{
      position:relative;
      width:235px;
      flex:none;
    }
    .search-box i{
      position:absolute;
      top:12px;
      left:14px;
      color:var(--muted);
    }
    .search-box input{
      width:100%;
      height:42px;
      padding:0 14px 0 40px;
      color:#fff;
      outline:none;
      border:1px solid var(--line);
      border-radius:13px;
      background:rgba(255,255,255,.07);
    }
    .search-box input::placeholder{color:#8791ae}
    .search-box input:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 3px rgba(67,217,232,.13);
    }
    .menu-toggle{
      display:none;
      padding:7px 10px;
      color:#fff;
      border:1px solid var(--line);
      border-radius:10px;
      background:transparent;
    }
    .hero{
      position:relative;
      min-height:590px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(7,9,21,.97) 0%,rgba(9,12,29,.78) 46%,rgba(9,12,29,.32) 100%),
        url('/assets/images/backpic/back-2.jpg');
      background-size:cover;
      background-position:center;
    }
    .hero::before{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      top:-180px;
      right:5%;
      border-radius:50%;
      background:rgba(139,108,255,.18);
      filter:blur(25px);
    }
    .hero::after{
      content:"";
      position:absolute;
      right:0;
      bottom:0;
      left:0;
      height:150px;
      background:linear-gradient(transparent,var(--deep));
    }
    .hero-content{
      position:relative;
      z-index:2;
      max-width:710px;
      padding:86px 0 100px;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 13px;
      color:#d8d1ff;
      font-size:13px;
      border:1px solid rgba(174,151,255,.32);
      border-radius:999px;
      background:rgba(139,108,255,.16);
    }
    .eyebrow i{color:var(--cyan)}
    .hero h1{
      margin:22px 0 18px;
      font-size:clamp(39px,6vw,70px);
      line-height:1.12;
      letter-spacing:-.055em;
    }
    .hero h1 span{
      color:var(--cyan);
      text-shadow:0 0 24px rgba(67,217,232,.22);
    }
    .hero-lead{
      max-width:660px;
      margin-bottom:0;
      color:#d5daec;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:13px;
      margin:30px 0;
    }
    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:0 21px;
      font-weight:700;
      border:1px solid transparent;
      border-radius:14px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(120deg,var(--violet),#bd65e9);
      box-shadow:0 12px 28px rgba(139,108,255,.3);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-3px);
      box-shadow:0 17px 34px rgba(139,108,255,.45);
    }
    .btn-ghost{
      color:#fff;
      border-color:var(--line);
      background:rgba(255,255,255,.07);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28)}
    .hero-data{
      display:flex;
      flex-wrap:wrap;
      gap:28px;
      color:var(--muted);
      font-size:13px;
    }
    .hero-data strong{
      display:block;
      color:#fff;
      font-size:21px;
      line-height:1.25;
    }
    .promo-sticker{
      position:absolute;
      z-index:3;
      top:100px;
      right:8%;
      width:132px;
      height:132px;
      display:grid;
      place-items:center;
      padding:20px;
      color:#21142a;
      text-align:center;
      font-weight:900;
      line-height:1.35;
      transform:rotate(9deg);
      border-radius:50%;
      background:var(--gold);
      box-shadow:0 15px 35px rgba(255,201,107,.28);
    }
    .promo-sticker small{display:block;font-size:11px}
    .section{padding:88px 0}
    .section.alt{background:#0c1124}
    .section-head{
      max-width:720px;
      margin-bottom:36px;
    }
    .section-kicker{
      color:var(--cyan);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .section-head h2{
      margin:10px 0 14px;
      font-size:clamp(29px,4vw,46px);
      line-height:1.2;
      letter-spacing:-.04em;
    }
    .section-head p{
      margin-bottom:0;
      color:var(--muted);
      font-size:16px;
      line-height:1.9;
    }
    .pain-layout{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:stretch;
    }
    .dark-note{
      padding:32px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(243,108,164,.15),rgba(139,108,255,.1));
      box-shadow:var(--shadow);
    }
    .dark-note i{margin-bottom:24px;color:var(--pink);font-size:34px}
    .dark-note h3{margin-bottom:12px;font-size:25px}
    .dark-note p{margin-bottom:0;color:#cbd2e7;line-height:1.85}
    .pain-list{display:grid;gap:14px}
    .pain-item{
      display:flex;
      gap:16px;
      padding:20px 22px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .pain-item .icon{
      width:39px;
      height:39px;
      flex:none;
      display:grid;
      place-items:center;
      color:var(--cyan);
      border-radius:12px;
      background:rgba(67,217,232,.12);
    }
    .pain-item h3{margin:0 0 4px;font-size:17px}
    .pain-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .solution-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:32px;
      align-items:center;
    }
    .solution-image{
      min-height:430px;
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .solution-image img{width:100%;height:100%;object-fit:cover}
    .image-caption{
      position:absolute;
      right:22px;
      bottom:22px;
      left:22px;
      padding:17px 19px;
      border:1px solid rgba(255,255,255,.2);
      border-radius:16px;
      background:rgba(8,11,25,.72);
      backdrop-filter:blur(10px);
    }
    .image-caption strong{display:block;margin-bottom:3px}
    .image-caption span{color:#c1c9df;font-size:13px}
    .solution-copy h2{
      margin:10px 0 16px;
      font-size:clamp(29px,4vw,44px);
      line-height:1.22;
    }
    .solution-copy p{color:var(--muted);line-height:1.9}
    .check-list{
      display:grid;
      gap:13px;
      margin:25px 0 0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#dbe1f1;
    }
    .check-list i{margin-top:5px;color:var(--green)}
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .guide-card{
      position:relative;
      overflow:hidden;
      min-height:270px;
      border:1px solid var(--line);
      border-radius:21px;
      background:var(--panel);
      transition:transform .25s,box-shadow .25s,border-color .25s;
    }
    .guide-card:hover{
      transform:translateY(-6px);
      border-color:rgba(67,217,232,.5);
      box-shadow:var(--shadow);
    }
    .guide-card img{width:100%;height:150px;object-fit:cover;opacity:.82}
    .guide-content{padding:19px 20px 21px}
    .guide-content h3{margin:0 0 7px;font-size:19px}
    .guide-content p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .guide-tag{
      position:absolute;
      top:14px;
      left:14px;
      padding:4px 10px;
      color:#fff;
      font-size:12px;
      border-radius:999px;
      background:rgba(8,11,25,.7);
      backdrop-filter:blur(8px);
    }
    .process-wrap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:22px;
      background:var(--line);
    }
    .process-step{
      position:relative;
      min-height:190px;
      padding:26px 22px;
      background:var(--panel);
    }
    .process-step:not(:last-child)::after{
      content:"\f054";
      position:absolute;
      top:32px;
      right:-9px;
      z-index:2;
      width:18px;
      height:18px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      font-family:"Font Awesome 6 Free";
      font-size:10px;
      font-weight:900;
      border-radius:50%;
      background:var(--deep-2);
    }
    .step-no{
      display:inline-grid;
      place-items:center;
      width:31px;
      height:31px;
      margin-bottom:21px;
      color:#13142c;
      font-weight:900;
      border-radius:10px;
      background:var(--gold);
    }
    .process-step h3{margin:0 0 7px;font-size:18px}
    .process-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .scene-layout{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      align-items:stretch;
    }
    .scene-panel{
      padding:32px;
      border-radius:var(--radius);
      background:linear-gradient(140deg,#1b2748,#151d38);
      border:1px solid var(--line);
    }
    .scene-panel h2{margin:10px 0 14px;font-size:34px;line-height:1.25}
    .scene-panel p{color:var(--muted);line-height:1.9}
    .scene-points{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:24px;
    }
    .scene-points div{
      padding:16px;
      border:1px solid var(--line);
      border-radius:15px;
      background:rgba(255,255,255,.045);
    }
    .scene-points strong{display:block;margin-bottom:3px;color:#fff}
    .scene-points span{color:var(--muted);font-size:13px}
    .priority-list{
      display:grid;
      gap:12px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,255,255,.035);
    }
    .priority-item{
      display:grid;
      grid-template-columns:45px 1fr auto;
      gap:13px;
      align-items:center;
      padding:14px;
      border-radius:15px;
      background:rgba(139,108,255,.08);
    }
    .priority-item .rank{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      color:#15152a;
      font-weight:900;
      border-radius:12px;
      background:var(--cyan);
    }
    .priority-item:nth-child(2) .rank{background:var(--violet);color:#fff}
    .priority-item:nth-child(3) .rank{background:var(--pink);color:#fff}
    .priority-item h3{margin:0;font-size:16px}
    .priority-item p{margin:2px 0 0;color:var(--muted);font-size:13px}
    .priority-item .status{color:var(--green);font-size:12px;white-space:nowrap}
    .stats{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:21px;
      background:var(--line);
    }
    .stat{
      padding:27px 22px;
      background:var(--panel);
      text-align:center;
    }
    .stat strong{
      display:block;
      color:var(--gold);
      font-size:35px;
      line-height:1.2;
    }
    .stat span{color:var(--muted);font-size:13px}
    .quote-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .quote-main{
      padding:35px;
      border:1px solid rgba(67,217,232,.25);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(67,217,232,.12),rgba(139,108,255,.16));
    }
    .quote-main i{display:block;margin-bottom:24px;color:var(--gold);font-size:31px}
    .quote-main blockquote{
      margin:0;
      color:#eef1ff;
      font-size:22px;
      line-height:1.7;
      font-weight:700;
    }
    .quote-main cite{
      display:block;
      margin-top:24px;
      color:var(--muted);
      font-style:normal;
      font-size:13px;
    }
    .trust-card{
      padding:30px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--panel);
    }
    .trust-card h3{margin-bottom:14px;font-size:22px}
    .trust-card p{color:var(--muted);line-height:1.85}
    .trust-line{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:14px 0;
      color:#dce2f1;
      border-bottom:1px solid var(--line);
    }
    .trust-line:last-child{border-bottom:0}
    .trust-line strong{color:var(--cyan)}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .faq-item{
      padding:23px 25px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .faq-item h3{
      display:flex;
      align-items:flex-start;
      gap:11px;
      margin:0 0 9px;
      font-size:17px;
      line-height:1.5;
    }
    .faq-item h3 i{margin-top:5px;color:var(--cyan);font-size:14px}
    .faq-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .cta{
      position:relative;
      overflow:hidden;
      padding:70px 0;
      background:
        radial-gradient(circle at 85% 15%,rgba(243,108,164,.22),transparent 28%),
        linear-gradient(120deg,#161d3c,#241b4d);
    }
    .cta::after{
      content:"";
      position:absolute;
      right:-100px;
      bottom:-160px;
      width:430px;
      height:430px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta h2{margin:0 0 10px;font-size:clamp(29px,4vw,45px)}
    .cta p{max-width:650px;margin:0;color:#cbd2e6;line-height:1.85}
    .site-footer{
      padding:62px 0 22px;
      background:#070a16;
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:35px;
      padding-bottom:45px;
    }
    .footer-brand p{max-width:330px;margin:17px 0;color:var(--muted);font-size:14px}
    .notice{
      max-width:360px;
      padding:11px 14px;
      color:#cbd2e4;
      font-size:12px;
      border-left:3px solid var(--gold);
      background:rgba(255,201,107,.07);
    }
    .footer-col h3{margin:2px 0 15px;color:#fff;font-size:15px}
    .footer-col a{
      display:block;
      width:max-content;
      margin:8px 0;
      color:var(--muted);
      font-size:13px;
    }
    .footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      color:#7e89a6;
      font-size:12px;
      border-top:1px solid var(--line);
    }
    .footer-bottom a:hover{color:#fff}
    :focus-visible{outline:3px solid rgba(67,217,232,.7);outline-offset:3px}
    @media(max-width:1024px){
      .nav-wrap{gap:13px}
      .nav-links a{padding:8px 9px;font-size:13px}
      .search-box{width:190px}
      .promo-sticker{right:4%;top:85px}
      .guide-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 30px))}
      .nav-wrap{min-height:70px;flex-wrap:wrap}
      .brand{font-size:21px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        order:4;
        display:none;
        width:100%;
        padding:8px 0 12px;
        flex-direction:column;
        align-items:stretch;
        border-top:1px solid var(--line);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 13px}
      .search-box{width:calc(100% - 50px);margin-left:auto}
      .hero{min-height:650px}
      .hero-content{padding:80px 0 100px}
      .promo-sticker{top:25px;right:17px;width:95px;height:95px;padding:13px;font-size:12px}
      .promo-sticker small{font-size:9px}
      .pain-layout,.solution-layout,.scene-layout,.quote-layout{grid-template-columns:1fr}
      .process-wrap{grid-template-columns:1fr 1fr}
      .process-step:not(:last-child)::after{display:none}
      .stats{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{flex-direction:column}
    }
    @media(max-width:520px){
      .section{padding:65px 0}
      .hero h1{font-size:40px}
      .hero-lead{font-size:16px}
      .hero-data{gap:18px}
      .hero-actions .btn{width:100%}
      .guide-grid,.faq-grid,.process-wrap{grid-template-columns:1fr}
      .scene-points{grid-template-columns:1fr}
      .stats{grid-template-columns:1fr 1fr}
      .stat{padding:20px 11px}
      .stat strong{font-size:28px}
      .solution-image{min-height:300px}
      .dark-note,.scene-panel,.quote-main,.trust-card{padding:25px}
      .quote-main blockquote{font-size:19px}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }

/* roulang page: category5 */
:root{
      --ink:#f7f8ff;--muted:#aeb7d2;--deep:#080b19;--deep-2:#10162b;
      --panel:#151d38;--panel-2:#1b2748;--line:rgba(255,255,255,.12);
      --violet:#8b6cff;--cyan:#43d9e8;--pink:#f36ca4;--gold:#ffc96b;
      --shadow:0 22px 70px rgba(0,0,0,.28);--radius:24px;--small-radius:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--deep);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,25,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:24px}
    .brand{font-weight:900;font-size:24px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));display:grid;place-items:center;color:#0c1022;font-size:16px;box-shadow:0 0 24px rgba(103,155,255,.4)}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{padding:9px 12px;color:var(--muted);font-size:14px;white-space:nowrap;border-radius:10px}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(139,108,255,.16)}
    .search-box{width:235px;position:relative;flex:none}
    .search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}
    .search-box input{height:42px;width:100%;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.07);color:#fff;outline:none}
    .search-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(67,217,232,.13)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}
    .page-hero{position:relative;min-height:430px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(7,9,21,.96),rgba(9,12,29,.7)),url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center}
    .page-hero:after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,var(--deep))}
    .hero-content{position:relative;z-index:1;max-width:780px;padding:76px 0}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#d8d1ff;background:rgba(139,108,255,.16);border:1px solid rgba(174,151,255,.32);border-radius:999px;padding:6px 13px;font-size:13px}
    h1,h2,h3{letter-spacing:-.03em}
    h1{font-size:clamp(38px,6vw,68px);line-height:1.12;margin:20px 0 18px}
    .hero-lead{font-size:18px;color:#d5daec;max-width:720px;line-height:1.9}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:14px;font-weight:700}
    .btn-primary{background:linear-gradient(120deg,var(--violet),#bd65e9);color:white;box-shadow:0 12px 28px rgba(139,108,255,.3)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 17px 34px rgba(139,108,255,.45)}
    .btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line);color:#fff}
    .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28)}
    .section{padding:86px 0}
    .section.alt{background:#0c1124}
    .section-head{max-width:730px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,45px);line-height:1.2;margin:12px 0 14px}
    .section-head p,.body-copy{color:var(--muted);font-size:16px;line-height:1.9}
    .section-kicker{color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.12em}
    .intro-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:stretch}
    .story-panel{padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(139,108,255,.19),rgba(67,217,232,.06));box-shadow:var(--shadow)}
    .story-panel h3{font-size:25px;margin:0 0 16px}
    .story-panel p{color:#d1d7e9;line-height:1.9}
    .image-panel{min-height:320px;border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid var(--line)}
    .image-panel img{width:100%;height:100%;object-fit:cover;opacity:.78}
    .image-panel .caption{position:absolute;left:25px;right:25px;bottom:22px;padding:18px;border-radius:16px;background:rgba(8,11,25,.72);backdrop-filter:blur(12px)}
    .caption strong{display:block;font-size:19px}
    .caption span{color:var(--muted);font-size:13px}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .stat{background:var(--panel);padding:25px}
    .stat strong{font-size:34px;color:var(--gold);display:block;line-height:1.2}
    .stat span{color:var(--muted);font-size:13px}
    .content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .update-card{display:flex;gap:20px;padding:22px;border:1px solid var(--line);border-radius:19px;background:rgba(255,255,255,.045);margin-bottom:14px;transition:.25s}
    .update-card:hover{transform:translateY(-4px);border-color:rgba(67,217,232,.55);background:rgba(67,217,232,.07)}
    .update-card img{width:145px;height:110px;object-fit:cover;border-radius:13px}
    .update-card h3{font-size:19px;margin:5px 0 5px}
    .update-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 10px}
    .date{color:var(--cyan);font-size:12px}
    .text-link{color:var(--cyan);font-weight:700;font-size:13px}
    .side-card{height:100%;padding:30px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
    .side-card h3{font-size:23px;margin:0 0 14px}
    .check-list{list-style:none;margin:20px 0;padding:0}
    .check-list li{display:flex;gap:11px;color:#dce1f1;padding:12px 0;border-bottom:1px solid var(--line)}
    .check-list i{color:var(--cyan);margin-top:5px}
    .feature-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}
    .feature-layout img{width:100%;height:350px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
    .feature-copy h2{font-size:35px;margin:10px 0 15px}
    .feature-copy p{color:var(--muted);line-height:1.9}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .topic-card{padding:25px;border:1px solid var(--line);border-radius:20px;background:var(--panel);transition:.25s}
    .topic-card:hover{transform:translateY(-5px);border-color:var(--violet);box-shadow:var(--shadow)}
    .topic-card i{font-size:25px;color:var(--cyan);margin-bottom:17px}
    .topic-card h3{font-size:19px;margin:0 0 8px}
    .topic-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
    .quote{padding:40px;border-radius:var(--radius);border:1px solid rgba(243,108,164,.3);background:linear-gradient(110deg,rgba(243,108,164,.14),rgba(139,108,255,.12));text-align:center}
    .quote i{font-size:30px;color:var(--gold)}
    .quote p{font-size:22px;line-height:1.75;max-width:820px;margin:18px auto;color:#f1f2fb}
    .quote span{color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step{padding:27px;border-left:2px solid var(--violet);background:rgba(255,255,255,.04);border-radius:0 18px 18px 0}
    .step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--violet);margin-bottom:16px}
    .step h3{font-size:18px;margin:0 0 8px}.step p{color:var(--muted);font-size:14px;margin:0}
    .faq-list{max-width:900px}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{cursor:pointer;font-size:17px;font-weight:700;list-style:none;display:flex;justify-content:space-between}
    summary:after{content:"＋";color:var(--cyan);font-size:22px}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);line-height:1.85;margin:13px 28px 0 0}
    .cta{padding:68px 0;background:linear-gradient(120deg,#25204d,#132d49);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .cta-inner{display:flex;justify-content:space-between;gap:25px;align-items:center}
    .cta h2{font-size:35px;margin:0 0 10px}.cta p{color:#c5cce0;margin:0;max-width:680px}
    .site-footer{padding:58px 0 25px;background:#070a16}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:var(--muted);max-width:330px}.notice{padding:12px 15px;border-radius:12px;background:rgba(255,255,255,.05);font-size:13px;color:#c9d0e4}
    .footer-col h3{font-size:15px;margin:5px 0 15px}.footer-col a{display:block;color:var(--muted);font-size:14px;margin:8px 0}.footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;color:#7f89a6;font-size:12px}
    :focus-visible{outline:3px solid rgba(67,217,232,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-wrap{gap:12px}.search-box{width:190px}.topic-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:78px;left:0;right:0;padding:12px 20px;background:#0d1227;border-bottom:1px solid var(--line);flex-wrap:wrap}.nav-links.open{display:flex}.search-box{flex:1;width:auto}.intro-layout,.content-grid,.feature-layout{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:23px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){.container{width:min(100% - 28px,var(--container))}.nav-wrap{min-height:68px}.brand{font-size:20px}.search-box{display:none}.nav-links{top:68px}.page-hero{min-height:500px}.hero-content{padding:70px 0}.hero-lead{font-size:16px}h1{font-size:42px}.section{padding:62px 0}.topic-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr 1fr}.update-card{display:block}.update-card img{width:100%;height:170px;margin-bottom:15px}.story-panel{padding:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}}

/* roulang page: category4 */
:root{
      --ink:#f7f8ff;
      --muted:#aeb7d2;
      --deep:#080b19;
      --deep-2:#10162b;
      --panel:#151d38;
      --panel-2:#1b2748;
      --line:rgba(255,255,255,.12);
      --violet:#8b6cff;
      --cyan:#43d9e8;
      --pink:#f36ca4;
      --gold:#ffc96b;
      --shadow:0 22px 70px rgba(0,0,0,.28);
      --radius:24px;
      --small-radius:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--deep);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      font-size:15px;
    }
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(8,11,25,.84);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:22px}
    .brand{
      font-weight:900;
      font-size:24px;
      letter-spacing:.04em;
      display:flex;
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:11px;
      background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));
      display:grid;
      place-items:center;
      color:#0c1022;
      font-size:16px;
      box-shadow:0 0 24px rgba(103,155,255,.4);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      flex:1;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-links a{
      padding:9px 12px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
      border-radius:10px;
    }
    .nav-links a:hover,.nav-links a.active{
      color:#fff;
      background:rgba(139,108,255,.16);
    }
    .search-box{width:235px;position:relative;flex:none}
    .search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}
    .search-box input{
      height:42px;
      width:100%;
      padding:0 14px 0 40px;
      border:1px solid var(--line);
      border-radius:13px;
      background:rgba(255,255,255,.07);
      color:#fff;
      outline:none;
      margin:0;
    }
    .search-box input::placeholder{color:#8b95b4}
    .search-box input:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 3px rgba(67,217,232,.13);
    }
    .menu-toggle{
      display:none;
      background:transparent;
      border:1px solid var(--line);
      color:#fff;
      border-radius:10px;
      padding:7px 10px;
    }
    .page-hero{
      min-height:430px;
      position:relative;
      display:flex;
      align-items:center;
      overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(7,9,21,.95),rgba(9,12,29,.72) 48%,rgba(9,12,29,.4)),
        url('/assets/images/backpic/back-2.jpg');
      background-size:cover;
      background-position:center;
    }
    .page-hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:120px;
      background:linear-gradient(transparent,var(--deep));
    }
    .hero-content{position:relative;z-index:1;max-width:760px;padding:72px 0 80px}
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#d8d1ff;
      background:rgba(139,108,255,.16);
      border:1px solid rgba(174,151,255,.32);
      border-radius:999px;
      padding:6px 13px;
      font-size:13px;
    }
    .eyebrow i{color:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(38px,6vw,66px);
      line-height:1.12;
      letter-spacing:-.05em;
      margin:20px 0 20px;
    }
    h2{
      font-size:clamp(28px,4vw,45px);
      line-height:1.2;
      letter-spacing:-.035em;
      margin:12px 0 15px;
    }
    h3{line-height:1.35}
    .hero-lead{
      font-size:18px;
      color:#d5daec;
      max-width:700px;
      line-height:1.9;
    }
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0 0}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 21px;
      border:1px solid transparent;
      border-radius:14px;
      font-weight:700;
    }
    .btn:focus,.nav-links a:focus,.footer-col a:focus{
      outline:3px solid rgba(67,217,232,.35);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(120deg,var(--violet),#bd65e9);
      color:#fff;
      box-shadow:0 12px 28px rgba(139,108,255,.3);
    }
    .btn-primary:hover{
      transform:translateY(-3px);
      box-shadow:0 17px 34px rgba(139,108,255,.45);
    }
    .btn-ghost{
      background:rgba(255,255,255,.07);
      border-color:var(--line);
      color:#fff;
    }
    .btn-ghost:hover{
      background:rgba(255,255,255,.14);
      border-color:rgba(255,255,255,.28);
    }
    .section{padding:88px 0}
    .section.alt{background:#0c1124}
    .section-head{max-width:720px;margin-bottom:36px}
    .section-head p{color:var(--muted);font-size:16px;line-height:1.9}
    .kicker{
      color:var(--cyan);
      text-transform:uppercase;
      letter-spacing:.16em;
      font-size:12px;
      font-weight:800;
    }
    .intro-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:38px;
      align-items:stretch;
    }
    .story-panel{
      padding:34px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(139,108,255,.2),rgba(67,217,232,.06));
      box-shadow:var(--shadow);
    }
    .story-panel p{color:#d6daeb;font-size:16px;line-height:1.95}
    .story-panel p:last-child{margin-bottom:0}
    .visual-card{
      min-height:330px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      position:relative;
      background:var(--panel);
    }
    .visual-card img{width:100%;height:100%;object-fit:cover;opacity:.72}
    .visual-card:after{
      content:"";
      position:absolute;
      inset:35% 0 0;
      background:linear-gradient(transparent,rgba(8,11,25,.96));
    }
    .visual-card-content{position:absolute;z-index:1;left:26px;right:26px;bottom:22px}
    .visual-card-content h3{font-size:25px;margin:8px 0 4px}
    .visual-card-content p{color:#c3cbe0;margin:0;font-size:14px}
    .benefit-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .benefit-card{
      padding:28px;
      min-height:235px;
      border:1px solid var(--line);
      border-radius:20px;
      background:var(--panel);
      transition:transform .25s,box-shadow .25s,border-color .25s;
    }
    .benefit-card:hover{
      transform:translateY(-6px);
      border-color:rgba(67,217,232,.5);
      box-shadow:var(--shadow);
    }
    .benefit-icon{
      width:48px;
      height:48px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#10152c;
      background:linear-gradient(135deg,var(--cyan),#8cf0d8);
      font-size:20px;
      margin-bottom:21px;
    }
    .benefit-card:nth-child(2) .benefit-icon{background:linear-gradient(135deg,var(--violet),#d4a1ff)}
    .benefit-card:nth-child(3) .benefit-icon{background:linear-gradient(135deg,var(--pink),#ffc1d7)}
    .benefit-card h3{font-size:19px;margin-bottom:8px}
    .benefit-card p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:0}
    .tier-layout{
      display:grid;
      grid-template-columns:.74fr 1.26fr;
      gap:30px;
      align-items:start;
    }
    .tier-intro{
      padding:28px;
      border-left:3px solid var(--cyan);
      background:rgba(67,217,232,.06);
      border-radius:0 18px 18px 0;
    }
    .tier-intro p{color:var(--muted);line-height:1.9;margin-bottom:0}
    .tier-list{display:grid;gap:14px}
    .tier{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:20px;
      align-items:center;
      padding:22px 24px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
      transition:.25s;
    }
    .tier:hover{background:rgba(139,108,255,.1);border-color:rgba(139,108,255,.45)}
    .tier-name{font-weight:800;font-size:20px;color:#fff}
    .tier-name small{display:block;color:var(--cyan);font-size:12px;font-weight:600}
    .tier p{color:var(--muted);margin:0;font-size:14px}
    .tier-tag{color:var(--gold);font-size:13px;white-space:nowrap}
    .split-section{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:42px;
      align-items:center;
    }
    .split-image{
      min-height:410px;
      border-radius:var(--radius);
      overflow:hidden;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .split-image img{width:100%;height:100%;object-fit:cover}
    .check-list{list-style:none;margin:25px 0 0;padding:0;display:grid;gap:15px}
    .check-list li{display:flex;gap:13px;color:#d7dcee;line-height:1.75}
    .check-list i{color:var(--cyan);margin-top:5px}
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      border:1px solid var(--line);
      border-radius:22px;
      overflow:hidden;
      background:var(--panel);
    }
    .process-step{
      padding:28px 24px;
      position:relative;
      border-right:1px solid var(--line);
    }
    .process-step:last-child{border-right:0}
    .process-step .num{
      color:var(--gold);
      font-size:13px;
      letter-spacing:.12em;
      font-weight:800;
    }
    .process-step h3{font-size:18px;margin:13px 0 7px}
    .process-step p{color:var(--muted);font-size:14px;margin:0;line-height:1.7}
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      background:var(--line);
      border:1px solid var(--line);
      border-radius:20px;
      overflow:hidden;
    }
    .metric{
      padding:28px 22px;
      background:var(--panel);
      text-align:center;
    }
    .metric strong{display:block;font-size:34px;line-height:1.2;color:#fff}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .quote-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .quote{
      padding:28px;
      border:1px solid var(--line);
      border-radius:20px;
      background:linear-gradient(145deg,rgba(243,108,164,.12),rgba(139,108,255,.1));
    }
    .quote i{color:var(--gold);font-size:25px;margin-bottom:18px}
    .quote p{font-size:17px;line-height:1.85;color:#e5e7f3;margin-bottom:20px}
    .quote strong{font-size:14px;color:#fff}
    .quote small{display:block;color:var(--muted);margin-top:3px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:17px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
    }
    .faq-item summary{
      cursor:pointer;
      list-style:none;
      padding:20px 23px;
      font-weight:700;
      position:relative;
      padding-right:50px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      position:absolute;
      right:22px;
      top:17px;
      color:var(--cyan);
      font-size:23px;
      font-weight:400;
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{padding:0 23px 21px;color:var(--muted);font-size:14px;line-height:1.8;margin:0}
    .cta{
      padding:60px 68px;
      border-radius:28px;
      background:
        radial-gradient(circle at 85% 20%,rgba(67,217,232,.28),transparent 30%),
        linear-gradient(120deg,#25215a,#45285e 55%,#202b59);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .cta h2{margin-bottom:10px}
    .cta p{color:#d6d9ee;margin-bottom:0;max-width:650px}
    .site-footer{
      padding:60px 0 25px;
      background:#060813;
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .8fr .8fr;
      gap:40px;
      padding-bottom:44px;
    }
    .footer-brand p{color:var(--muted);max-width:300px;margin:19px 0}
    .notice{
      color:#d0d5e5;
      font-size:13px;
      padding:11px 14px;
      border-radius:11px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--line);
      max-width:310px;
    }
    .footer-col h3{font-size:15px;margin:5px 0 17px;color:#fff}
    .footer-col a{display:block;color:var(--muted);font-size:14px;margin:9px 0}
    .footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
    .footer-bottom{
      padding-top:22px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:#77819f;
      font-size:12px;
      line-height:1.8;
    }
    .footer-bottom a:hover{color:var(--cyan)}
    .search-result{
      display:none;
      position:absolute;
      top:48px;
      left:0;
      right:0;
      z-index:30;
      padding:12px 15px;
      color:#dfe4f4;
      background:#171e39;
      border:1px solid var(--line);
      border-radius:13px;
      box-shadow:var(--shadow);
      font-size:13px;
    }
    .search-result.show{display:block}
    @media(max-width:1024px){
      .nav-wrap{gap:13px}
      .nav-links a{padding-left:9px;padding-right:9px}
      .search-box{width:190px}
      .benefit-grid{grid-template-columns:repeat(2,1fr)}
      .process{grid-template-columns:repeat(2,1fr)}
      .process-step:nth-child(2){border-right:0}
      .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 30px))}
      .nav-wrap{min-height:68px;flex-wrap:wrap;padding:10px 0}
      .brand{font-size:21px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;
        order:4;
        flex-basis:100%;
        padding:8px 0 4px;
        border-top:1px solid var(--line);
        flex-wrap:wrap;
      }
      .nav-links.open{display:flex}
      .search-box{order:3;width:100%;flex-basis:100%;display:none}
      .search-box.open{display:block}
      .page-hero{min-height:420px}
      .hero-content{padding:65px 0 75px}
      .intro-grid,.tier-layout,.split-section{grid-template-columns:1fr;gap:24px}
      .split-image{min-height:300px;order:2}
      .quote-row,.faq-grid{grid-template-columns:1fr}
      .cta{padding:42px 28px;display:block}
      .cta .btn{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .section{padding:66px 0}
      h1{font-size:40px}
      .hero-lead{font-size:16px}
      .benefit-grid,.process,.metric-grid{grid-template-columns:1fr}
      .process-step{border-right:0!important;border-bottom:1px solid var(--line)}
      .process-step:last-child{border-bottom:0}
      .metric:nth-child(3){border-bottom:1px solid var(--line)}
      .tier{grid-template-columns:1fr;gap:8px}
      .tier-tag{white-space:normal}
      .footer-grid{grid-template-columns:1fr}
      .cta h2{font-size:30px}
    }

/* roulang page: category6 */
:root{--ink:#f7f8ff;--muted:#aeb7d2;--deep:#080b19;--deep2:#10162b;--panel:#151d38;--panel2:#1b2748;--line:rgba(255,255,255,.12);--violet:#8b6cff;--cyan:#43d9e8;--pink:#f36ca4;--gold:#ffc96b;--shadow:0 22px 70px rgba(0,0,0,.28);--radius:24px;--small:14px;--container:1180px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--deep);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,25,.86);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav-wrap{min-height:78px;display:flex;align-items:center;gap:22px}.brand{font-weight:900;font-size:24px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;white-space:nowrap}.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));display:grid;place-items:center;color:#0c1022;font-size:16px;box-shadow:0 0 24px rgba(103,155,255,.4)}.nav-links{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}.nav-links::-webkit-scrollbar{display:none}.nav-links a{padding:9px 12px;color:var(--muted);font-size:14px;white-space:nowrap;border-radius:10px}.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(139,108,255,.16)}.search-box{width:235px;position:relative;flex:none}.search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}.search-box input{height:42px;width:100%;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.07);color:#fff;outline:none}.search-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(67,217,232,.13)}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}
    .hero{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(7,9,21,.97),rgba(12,16,40,.76)),url('/assets/images/backpic/back-2.jpg') center/cover}.hero-inner{min-height:510px;display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:center;padding:70px 0}.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#d8d1ff;background:rgba(139,108,255,.16);border:1px solid rgba(174,151,255,.32);border-radius:999px;padding:6px 13px;font-size:13px}.eyebrow i{color:var(--cyan)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,66px);line-height:1.13;letter-spacing:-.05em;margin:18px 0}.hero-lead{font-size:18px;color:#d5daec;max-width:650px;line-height:1.9}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border-radius:14px;border:1px solid transparent;font-weight:700}.btn-primary{background:linear-gradient(120deg,var(--violet),#bd65e9);color:#fff;box-shadow:0 12px 28px rgba(139,108,255,.3)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 17px 34px rgba(139,108,255,.45)}.btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.14)}.hero-visual{position:relative}.stage{padding:13px;border:1px solid rgba(255,255,255,.2);border-radius:28px;background:rgba(255,255,255,.08);box-shadow:var(--shadow);transform:rotate(2deg)}.stage img{width:100%;height:330px;object-fit:cover;border-radius:19px}.data-badge{position:absolute;right:-20px;bottom:22px;padding:16px 20px;border-radius:17px;background:#202b50;border:1px solid var(--line);box-shadow:var(--shadow)}.data-badge strong{display:block;color:var(--gold);font-size:25px}.data-badge span{font-size:12px;color:var(--muted)}
    .section{padding:88px 0}.section.alt{background:#0c1124}.section-head{max-width:720px;margin-bottom:35px}.section-head h2{font-size:clamp(28px,4vw,45px);line-height:1.2;letter-spacing:-.035em;margin:12px 0 15px}.section-head p,.muted{color:var(--muted);font-size:16px;line-height:1.9}.story{display:grid;grid-template-columns:1fr 1.12fr;gap:44px;align-items:center}.story img{height:390px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.story-copy h3{font-size:27px;margin-bottom:15px}.story-copy p{color:var(--muted);line-height:1.9}.check-list{padding:0;margin:22px 0;list-style:none}.check-list li{display:flex;gap:12px;margin:12px 0;color:#dfe4f5}.check-list i{color:var(--cyan);margin-top:6px}
    .theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.theme-card{overflow:hidden;border:1px solid var(--line);border-radius:21px;background:var(--panel);transition:.28s}.theme-card:hover{transform:translateY(-7px);border-color:rgba(67,217,232,.55);box-shadow:var(--shadow)}.theme-card img{height:170px;width:100%;object-fit:cover}.theme-card-body{padding:23px}.theme-card h3{font-size:20px;margin:0 0 8px}.theme-card p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:16px}.mini-link{color:var(--cyan);font-weight:700;font-size:14px}
    .split-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:stretch}.dark-panel{padding:34px;border-radius:var(--radius);background:linear-gradient(145deg,#1d2850,#131a35);border:1px solid var(--line)}.dark-panel h3{font-size:26px}.dark-panel p{color:var(--muted);line-height:1.85}.metric-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.metric{padding:24px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid var(--line)}.metric strong{font-size:32px;color:var(--gold);display:block}.metric span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:25px 21px;border-top:3px solid var(--violet);background:rgba(255,255,255,.045);border-radius:16px}.step-num{color:var(--cyan);font-weight:900;font-size:14px}.step h3{font-size:18px;margin:12px 0 7px}.step p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}
    .quote{padding:38px 42px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(139,108,255,.24),rgba(67,217,232,.09));border:1px solid var(--line);display:grid;grid-template-columns:70px 1fr;gap:22px;align-items:center}.quote i{font-size:42px;color:var(--gold)}.quote p{font-size:20px;line-height:1.8;margin:0}.quote small{color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04);overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 22px;background:none;border:0;color:#fff;text-align:left;font-weight:700}.faq-q i{color:var(--cyan);transition:.25s}.faq-a{max-height:0;overflow:hidden;padding:0 22px;color:var(--muted);line-height:1.8;transition:max-height .3s,padding .3s}.faq-item.open .faq-a{max-height:180px;padding:0 22px 20px}.faq-item.open .faq-q i{transform:rotate(45deg)}
    .cta{padding:62px 0;background:linear-gradient(110deg,#252052,#112f4c);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:34px;margin-bottom:8px}.cta p{color:#c6cee4;margin:0}.site-footer{padding:58px 0 22px;background:#070a16}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--muted);max-width:290px}.notice{padding:12px 14px;border:1px solid var(--line);border-radius:12px;color:#b9c3dc;font-size:12px}.footer-col h3{font-size:15px;margin-bottom:14px}.footer-col a{display:block;color:var(--muted);font-size:14px;margin:8px 0}.footer-col a:hover,.footer-bottom a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#7f8aa8;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:9px 8px}.search-box{width:190px}.hero-inner{gap:28px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-wrap{flex-wrap:wrap;padding:13px 0}.menu-toggle{display:block;margin-left:auto}.nav-links{order:3;display:none;width:100%;flex-direction:column;align-items:stretch;padding:8px 0}.nav-links.show{display:flex}.nav-links a{width:100%}.search-box{flex:1;width:auto;order:2}.hero-inner,.story,.split-panel{grid-template-columns:1fr}.hero-inner{padding:65px 0}.hero-visual{max-width:600px;margin:auto}.theme-grid{grid-template-columns:repeat(2,1fr)}.cta-inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}}
    @media(max-width:520px){.container{width:min(var(--container),calc(100% - 28px))}.brand{font-size:21px}.search-box{order:4;flex-basis:100%}h1{font-size:40px}.hero-lead{font-size:16px}.section{padding:65px 0}.theme-grid,.faq-grid,.metric-list{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.quote{grid-template-columns:1fr;padding:28px}.quote p{font-size:17px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{font-size:11px;word-break:break-all}}

/* roulang page: category7 */
:root{
 --ink:#f7f8ff;--muted:#aeb7d2;--deep:#080b19;--deep-2:#10162b;
 --panel:#151d38;--panel-2:#1b2748;--line:rgba(255,255,255,.12);
 --violet:#8b6cff;--cyan:#43d9e8;--pink:#f36ca4;--gold:#ffc96b;
 --shadow:0 22px 70px rgba(0,0,0,.28);--radius:24px;--small-radius:14px;
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--deep);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:15px}
body::selection{background:rgba(139,108,255,.55);color:#fff}
a{color:inherit;text-decoration:none;transition:all .25s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin-top:0}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(8,11,25,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.nav-wrap{min-height:78px;display:flex;align-items:center;gap:24px}
.brand{font-weight:900;font-size:24px;letter-spacing:.04em;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--violet) 55%,var(--pink));display:grid;place-items:center;color:#0c1022;font-size:16px;box-shadow:0 0 24px rgba(103,155,255,.4)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{padding:9px 12px;color:var(--muted);font-size:14px;white-space:nowrap;border-radius:10px}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(139,108,255,.16)}
.search-box{width:235px;position:relative;flex:none}
.search-box i{position:absolute;left:14px;top:13px;color:var(--muted)}
.search-box input{height:42px;width:100%;padding:0 14px 0 40px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.07);color:#fff;outline:none}
.search-box input::placeholder{color:#949db8}
.search-box input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(67,217,232,.13)}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);color:#fff;border-radius:10px;padding:7px 10px}
.hero{position:relative;overflow:hidden;min-height:570px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(7,9,21,.97) 0%,rgba(10,13,31,.82) 48%,rgba(11,13,34,.38) 100%),url('/assets/images/backpic/back-3.webp') center/cover}
.hero:before{content:"";position:absolute;width:420px;height:420px;right:7%;top:58px;border-radius:50%;background:radial-gradient(circle,rgba(67,217,232,.24),rgba(139,108,255,.12) 42%,transparent 70%);filter:blur(5px)}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:145px;background:linear-gradient(transparent,var(--deep))}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .72fr;gap:54px;align-items:center;padding:82px 0 116px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#d8d1ff;background:rgba(139,108,255,.16);border:1px solid rgba(174,151,255,.32);border-radius:999px;padding:6px 13px;font-size:13px}
.eyebrow i{color:var(--cyan)}
h1{font-size:clamp(38px,5.5vw,66px);line-height:1.12;letter-spacing:-.05em;margin:17px 0 20px}
.hero-lead{font-size:17px;color:#d5daec;max-width:650px;line-height:1.95;margin-bottom:0}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:29px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:14px;font-weight:700;outline:none}
.btn-primary{background:linear-gradient(120deg,var(--violet),#bd65e9);color:white;box-shadow:0 12px 28px rgba(139,108,255,.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 17px 34px rgba(139,108,255,.45);color:#fff}
.btn-ghost{background:rgba(255,255,255,.07);border-color:var(--line);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28);color:#fff}
.btn:focus,a:focus{outline:3px solid rgba(67,217,232,.55);outline-offset:3px}
.hero-side{justify-self:end;width:min(100%,340px);position:relative}
.phone-card{padding:16px;background:linear-gradient(145deg,rgba(36,47,87,.95),rgba(14,19,43,.96));border:1px solid rgba(255,255,255,.18);border-radius:32px;box-shadow:var(--shadow);transform:rotate(3deg)}
.phone-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:3px 2px 13px;color:#dce2fa;font-size:13px}
.phone-screen{padding:18px 3px 4px}
.phone-screen h3{font-size:20px;line-height:1.4;margin:13px 0}
.mini-search{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.08);color:var(--muted);font-size:13px}
.mini-row{display:flex;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}
.mini-icon{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:rgba(67,217,232,.13);color:var(--cyan)}
.mini-row b{display:block;font-size:14px}.mini-row span{display:block;color:var(--muted);font-size:12px}
.floating-badge{position:absolute;left:-55px;bottom:44px;padding:12px 15px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(19,28,57,.9);box-shadow:var(--shadow);backdrop-filter:blur(12px);font-size:13px}
.floating-badge strong{color:var(--gold);font-size:20px;display:block;line-height:1.2}
.section{padding:88px 0}
.section.alt{background:#0c1124}
.section-head{max-width:760px;margin-bottom:35px}
.section-head h2{font-size:clamp(29px,4vw,45px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 14px}
.section-head p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:0}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:stretch}
.copy-panel{padding:35px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.035)}
.copy-panel p{color:#d6dcef;font-size:16px;line-height:2;margin-bottom:18px}
.copy-panel p:last-child{margin-bottom:0}
.insight-card{padding:34px;position:relative;overflow:hidden;border-radius:var(--radius);background:linear-gradient(145deg,rgba(139,108,255,.28),rgba(67,217,232,.09));border:1px solid rgba(177,169,255,.25);box-shadow:var(--shadow)}
.insight-card:after{content:"?";position:absolute;right:20px;bottom:-52px;font:bold 190px Arial;color:rgba(255,255,255,.06)}
.insight-card i{font-size:31px;color:var(--gold)}
.insight-card blockquote{position:relative;margin:22px 0 0;font-size:22px;font-weight:800;line-height:1.55}
.insight-card small{display:block;position:relative;color:#ccd4ec;margin-top:24px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-card{min-height:220px;padding:24px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:var(--panel);transition:.25s}
.quick-card:hover{transform:translateY(-6px);border-color:rgba(67,217,232,.55);box-shadow:0 20px 38px rgba(0,0,0,.18)}
.quick-card i{font-size:25px;color:var(--cyan)}
.quick-card h3{font-size:19px;margin:28px 0 8px}
.quick-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
.quick-card .arrow{position:absolute;right:22px;bottom:17px;color:var(--pink)}
.steps-wrap{display:grid;grid-template-columns:.84fr 1.16fr;gap:30px;align-items:center}
.visual-card{min-height:430px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#101731}
.visual-card img{width:100%;height:100%;min-height:430px;object-fit:cover;opacity:.62}
.visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 26%,rgba(8,11,25,.9))}
.visual-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:26px}
.visual-caption h3{font-size:25px;margin-bottom:7px}.visual-caption p{margin:0;color:#d7dded}
.step-list{display:grid;gap:13px}
.step{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:20px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.035);transition:.25s}
.step:hover{background:rgba(139,108,255,.1);transform:translateX(5px)}
.step-no{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--violet),var(--pink));font-weight:900}
.step h3{font-size:18px;margin:0 0 4px}.step p{margin:0;color:var(--muted);line-height:1.7}
.data-band{padding:0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:21px;overflow:hidden;background:var(--line)}
.data-item{padding:27px;background:var(--panel);text-align:center}
.data-item strong{display:block;font-size:32px;line-height:1;color:var(--gold);margin-bottom:10px}
.data-item span{color:var(--muted);font-size:14px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.scene{display:grid;grid-template-columns:86px 1fr;gap:20px;padding:23px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}
.scene-icon{height:70px;border-radius:18px;display:grid;place-items:center;background:rgba(243,108,164,.13);color:var(--pink);font-size:27px}
.scene h3{font-size:19px;margin:3px 0 6px}.scene p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.tip-layout{display:grid;grid-template-columns:1fr .9fr;gap:28px}
.tip-list{display:grid;gap:12px}
.tip{display:flex;align-items:flex-start;gap:13px;padding:17px 19px;border-radius:15px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.tip i{color:var(--gold);margin-top:5px}.tip b{display:block;font-size:16px;margin-bottom:2px}.tip span{color:var(--muted);font-size:14px}
.image-note{position:relative;border-radius:var(--radius);overflow:hidden;min-height:340px;border:1px solid var(--line)}
.image-note img{height:100%;width:100%;object-fit:cover;opacity:.58}
.image-note:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,11,25,.08),rgba(8,11,25,.91))}
.image-note div{position:absolute;z-index:1;left:27px;right:27px;bottom:25px}
.image-note h3{font-size:24px;margin:0 0 8px}.image-note p{color:#d6ddef;margin:0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:40px;align-items:start}
.faq-side{padding:30px;border-radius:var(--radius);background:linear-gradient(145deg,rgba(67,217,232,.16),rgba(139,108,255,.12));border:1px solid var(--line)}
.faq-side i{font-size:34px;color:var(--cyan)}.faq-side h2{font-size:31px;line-height:1.3;margin:20px 0 13px}.faq-side p{color:#d4dced}
.faq-list{display:grid;gap:11px}
.faq-item{border:1px solid var(--line);background:rgba(255,255,255,.035);border-radius:16px;overflow:hidden}
.faq-question{width:100%;padding:19px 20px;display:flex;align-items:center;justify-content:space-between;gap:15px;text-align:left;color:#fff;font-weight:700;background:transparent;border:0}
.faq-question i{color:var(--cyan);transition:transform .25s}
.faq-item.open .faq-question i{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);line-height:1.85}
.faq-item.open .faq-answer{display:block}
.testimonial{padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);position:relative}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{padding:24px;border-radius:18px;background:rgba(255,255,255,.045)}
.quote i{color:var(--gold);font-size:20px}.quote p{color:#dce2f3;line-height:1.85;margin:16px 0}.quote b{font-size:14px;color:var(--cyan)}
.cta{padding:0 0 92px}
.cta-box{position:relative;overflow:hidden;padding:54px 58px;border-radius:var(--radius);border:1px solid rgba(187,172,255,.3);background:linear-gradient(110deg,#30266c,#60358a 54%,#194d6b);box-shadow:var(--shadow)}
.cta-box:after{content:"";position:absolute;width:350px;height:350px;border-radius:50%;right:-100px;top:-145px;background:rgba(67,217,232,.25);filter:blur(8px)}
.cta-box>*{position:relative;z-index:1}.cta-box h2{font-size:clamp(28px,4vw,43px);line-height:1.22;margin:0 0 12px}.cta-box p{font-size:16px;color:#e3e4ff;max-width:680px;margin-bottom:25px}
.site-footer{border-top:1px solid var(--line);background:#070a16;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
.footer-brand p{color:var(--muted);max-width:300px;margin:17px 0}
.notice{font-size:13px;color:#c7cee3;padding:10px 12px;border-left:2px solid var(--gold);background:rgba(255,201,107,.07)}
.footer-col h3{font-size:15px;margin:3px 0 14px}.footer-col a{display:block;color:var(--muted);font-size:14px;margin:8px 0}.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{margin-top:42px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8490b0;font-size:12px}.footer-bottom a:hover{color:var(--cyan)}
@media(max-width:1100px){.nav-wrap{gap:15px}.brand{font-size:21px}.search-box{width:190px}.quick-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.menu-toggle{display:block;margin-left:auto}.search-box{order:3;width:100%;display:none}.nav-wrap{flex-wrap:wrap;padding:14px 0}.nav-links{display:none;order:4;width:100%;padding:9px 0}.nav-links.show{display:flex}.search-box.show{display:block}.hero-grid,.intro-grid,.steps-wrap,.tip-layout,.faq-layout{grid-template-columns:1fr}.hero-grid{gap:25px}.hero-side{justify-self:start;margin-left:35px}.floating-badge{left:-35px}.scene-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-brand{grid-column:1/-1}.section{padding:70px 0}}
@media(max-width:620px){.container{width:min(100% - 28px,var(--container))}.hero{min-height:auto}.hero-grid{padding:60px 0 88px}h1{font-size:39px}.hero-lead{font-size:16px}.hero-side{width:285px;margin-left:20px}.phone-card{border-radius:26px}.floating-badge{display:none}.quick-grid,.testimonial-grid{grid-template-columns:1fr}.data-grid{grid-template-columns:1fr 1fr}.data-item{padding:22px 10px}.scene{grid-template-columns:62px 1fr;gap:14px}.scene-icon{height:57px}.cta-box{padding:38px 25px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin:7px 0}.visual-card,.visual-card img{min-height:320px}.section-head h2{font-size:31px}}