/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-soft:#0b1a2d;
      --panel:rgba(16,35,58,.78);
      --panel-strong:#102943;
      --line:rgba(139,190,230,.18);
      --text:#edf7ff;
      --muted:#9cb4c9;
      --blue:#47b9ff;
      --cyan:#6ee7f9;
      --violet:#8b7cff;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --radius:18px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:100%;object-fit:cover}
    button{font:inherit}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:0}
    .brand-mark{width:34px;height:34px;border:1px solid rgba(110,231,249,.65);display:grid;place-items:center;border-radius:10px;color:var(--cyan);background:rgba(71,185,255,.1);box-shadow:0 0 22px rgba(71,185,255,.16)}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 15px;border-radius:9px;color:var(--muted);transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(71,185,255,.12)}
    .nav-cta{border:1px solid rgba(110,231,249,.42);color:var(--cyan)!important}
    .mobile-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);padding:8px 11px;border-radius:9px}
    .hero{min-height:650px;position:relative;display:flex;align-items:end;overflow:hidden;background:#091725}
    .hero-media{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,12,23,.96) 8%,rgba(4,12,23,.7) 46%,rgba(4,12,23,.18)),url("https://jj99jpjjjjjgcry.cn/assets/cover-main.jpg") center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,var(--bg))}
    .hero-content{position:relative;z-index:1;padding:110px 0 100px;max-width:720px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:0;margin-bottom:22px}
    h2{font-size:32px;line-height:1.25;margin-bottom:12px}
    h3{font-size:18px;line-height:1.35;margin-bottom:8px}
    .hero-copy{font-size:18px;color:#c5d6e5;max-width:680px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s;cursor:pointer}
    .btn-primary{background:var(--blue);color:#03101d;box-shadow:0 0 28px rgba(71,185,255,.28)}
    .btn-primary:hover{background:#7bd3ff;transform:translateY(-2px)}
    .btn-secondary{border-color:rgba(156,180,201,.35);color:var(--text);background:rgba(7,17,31,.32)}
    .btn-secondary:hover{border-color:var(--cyan);background:rgba(71,185,255,.1)}
    .btn:focus-visible,a:focus-visible{outline:3px solid rgba(110,231,249,.55);outline-offset:3px}
    section{padding:86px 0;border-bottom:1px solid rgba(139,190,230,.1)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}
    .section-head p{color:var(--muted);max-width:620px;margin-bottom:0}
    .kicker{color:var(--cyan);font-size:13px;font-weight:700;margin-bottom:8px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .glass{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .feature-card{padding:25px;min-height:190px}
    .feature-icon{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:rgba(71,185,255,.12);color:var(--cyan);font-weight:800;margin-bottom:20px}
    .feature-card p,.media-card p,.info-list p,.faq-answer{color:var(--muted);font-size:14px;margin-bottom:0}
    .entry-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .entry-large{min-height:270px;padding:30px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(135deg,rgba(71,185,255,.2),rgba(139,124,255,.1)),var(--panel)}
    .entry-side{display:grid;gap:16px}
    .entry-small{padding:24px;min-height:127px}
    .media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .media-card{overflow:hidden}
    .media-cover{height:255px;position:relative;background:#132941}
    .media-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 58%,rgba(3,10,18,.72))}
    .badge{position:absolute;z-index:1;top:12px;left:12px;background:rgba(71,185,255,.9);color:#03101d;padding:3px 8px;border-radius:5px;font-size:12px;font-weight:800}
    .media-body{padding:16px 17px 19px}
    .media-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-top:12px}
    .rail{display:flex;gap:16px;overflow:auto;padding-bottom:10px;scrollbar-color:var(--blue) transparent}
    .rail .media-card{min-width:220px;flex:0 0 220px}
    .rail .media-cover{height:285px}
    .split{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}
    .step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:22px;border-top:2px solid var(--blue);background:rgba(16,41,67,.52)}
    .step-number{color:var(--cyan);font-size:13px;font-weight:800;margin-bottom:22px}
    .rank-list{display:grid;gap:10px}
    .rank-item{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:15px;padding:15px 18px;border:1px solid var(--line);background:rgba(16,35,58,.55);border-radius:12px}
    .rank-num{font-size:23px;color:var(--cyan);font-weight:800}
    .rank-item span{font-size:13px;color:var(--muted)}
    .category-list{display:flex;flex-wrap:wrap;gap:10px}
    .category-list a,.tag{padding:10px 15px;border:1px solid var(--line);border-radius:9px;color:#c8d9e8;background:rgba(16,35,58,.55);transition:.2s}
    .category-list a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
    .info-list{display:grid;gap:0}
    .info-row{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
    .info-row:last-child{border-bottom:0}
    .info-row a:hover{color:var(--cyan)}
    .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .stat{padding:25px;border-left:2px solid var(--blue)}
    .stat strong{display:block;font-size:30px;color:var(--cyan);margin-bottom:6px}
    .stat span{color:var(--muted);font-size:14px}
    .faq-list{display:grid;gap:10px;max-width:850px}
    .faq-item{border:1px solid var(--line);border-radius:12px;background:rgba(16,35,58,.52);overflow:hidden}
    .faq-item summary{padding:18px 20px;cursor:pointer;font-weight:700}
    .faq-answer{padding:0 20px 18px}
    .final-cta{background:linear-gradient(110deg,#0d2d49,#101c3c);text-align:center;border-bottom:0}
    .final-cta p{color:#bdd0df;max-width:660px;margin:0 auto 24px}
    footer{padding:44px 0 28px;background:#050c17}
    .footer-main{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--line)}
    .footer-copy{color:var(--muted);max-width:420px;font-size:14px}
    .footer-links{display:flex;gap:20px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:20px;color:#6f8497;font-size:12px;padding-top:20px}
    @media(max-width:1024px){.media-grid{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 28px))}.nav-wrap{height:68px}.mobile-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:14px;right:14px;padding:10px;flex-direction:column;align-items:stretch;background:#0b1a2d;border:1px solid var(--line);border-radius:12px}.nav-links.open{display:flex}.nav-links a{padding:12px}.hero{min-height:600px}.hero-content{padding:90px 0 82px}.hero-copy{font-size:16px}.grid-3,.entry-grid,.split{grid-template-columns:1fr}.media-grid{grid-template-columns:repeat(2,1fr)}.step-list{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.section-head p{margin-top:10px}.footer-main,.copyright{display:block}.footer-links{margin-top:22px;flex-wrap:wrap}}
    @media(max-width:520px){h1{font-size:42px}h2{font-size:27px}section{padding:62px 0}.grid-4,.media-grid,.stat-grid{grid-template-columns:1fr 1fr}.media-cover{height:220px}.step-list{grid-template-columns:1fr}.hero-actions .btn{width:100%}.info-row{display:block}.info-row span{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
      --bg:#07111f;
      --bg-soft:#0b1a2d;
      --panel:rgba(16,35,58,.78);
      --panel-strong:#102943;
      --line:rgba(139,190,230,.18);
      --text:#edf7ff;
      --muted:#9cb4c9;
      --blue:#47b9ff;
      --cyan:#6ee7f9;
      --violet:#8b7cff;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --radius:18px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:90px}
    body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:100%;object-fit:cover}
    button{font:inherit}
    .container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px}
    .brand-mark{width:34px;height:34px;border:1px solid rgba(110,231,249,.65);display:grid;place-items:center;border-radius:10px;color:var(--cyan);background:rgba(71,185,255,.1);box-shadow:0 0 22px rgba(71,185,255,.16)}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 15px;border-radius:9px;color:var(--muted);transition:background .2s,color .2s,border-color .2s}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(71,185,255,.12)}
    .nav-links .nav-cta{border:1px solid rgba(110,231,249,.42);color:var(--cyan)}
    .mobile-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--text);padding:8px 11px;border-radius:9px;cursor:pointer}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(110,231,249,.65);outline-offset:3px}
    .page-intro{padding:42px 0 22px}
    .breadcrumbs{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:27px}
    .breadcrumbs a:hover{color:var(--cyan)}
    .intro-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-size:13px;font-weight:700;margin-bottom:12px}
    .eyebrow:before{content:"";width:24px;height:1px;background:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,54px);line-height:1.16;margin-bottom:16px;font-weight:800}
    h2{font-size:28px;line-height:1.3;margin-bottom:10px}
    h3{font-size:17px;line-height:1.4;margin-bottom:7px}
    .intro-copy{max-width:760px;color:#b7cad9;font-size:16px;margin-bottom:0}
    .intro-aside{border-left:1px solid var(--line);padding:8px 0 8px 22px;color:var(--muted);font-size:14px}
    .intro-aside strong{display:block;color:var(--text);font-size:15px;margin-bottom:5px}
    main section{padding:62px 0;border-top:1px solid rgba(139,190,230,.1)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:25px}
    .section-head p{color:var(--muted);max-width:570px;margin-bottom:0;font-size:14px}
    .section-kicker{color:var(--cyan);font-size:12px;font-weight:700;margin-bottom:8px}
    .media-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .media-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:13px;background:var(--panel);box-shadow:0 8px 24px rgba(0,0,0,.14);transition:transform .22s,border-color .22s,box-shadow .22s}
    .media-card:hover{transform:translateY(-4px);border-color:rgba(110,231,249,.42);box-shadow:var(--shadow)}
    .media-cover{height:auto;aspect-ratio:3/4;position:relative;background:#132941;overflow:hidden}
    .media-cover img{transition:transform .35s}
    .media-card:hover .media-cover img{transform:scale(1.035)}
    .media-cover:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(3,10,18,.66));pointer-events:none}
    .badge{position:absolute;z-index:1;top:12px;left:12px;background:rgba(71,185,255,.94);color:#03101d;padding:3px 8px;border-radius:5px;font-size:11px;font-weight:800}
    .media-body{padding:15px 15px 16px}
    .media-body p{color:var(--muted);font-size:13px;line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .media-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:11px;margin-top:12px}
    .meta-status{color:var(--cyan)}
    .featured-band{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:24px;border:1px solid var(--line);background:linear-gradient(120deg,rgba(16,41,67,.92),rgba(10,27,45,.7));border-radius:15px}
    .featured-image{aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:#132941}
    .featured-copy{padding:10px 12px}
    .featured-copy p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0 20px}
    .tag{border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:#c8d9e8;background:rgba(7,17,31,.35);font-size:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:9px;border:1px solid transparent;font-weight:700;font-size:14px;transition:transform .2s,background .2s,border-color .2s;cursor:pointer}
    .btn-primary{background:var(--blue);color:#03101d;box-shadow:0 0 24px rgba(71,185,255,.22)}
    .btn-primary:hover{background:#7bd3ff;transform:translateY(-2px)}
    .btn-secondary{border-color:rgba(156,180,201,.35);color:var(--text);background:rgba(7,17,31,.32)}
    .btn-secondary:hover{border-color:var(--cyan);background:rgba(71,185,255,.1)}
    .btn:active{transform:translateY(1px)}
    .updates-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:42px;align-items:start}
    .updates-note{border-left:2px solid var(--blue);padding:5px 0 5px 18px;color:var(--muted);font-size:14px}
    .updates-note strong{display:block;color:var(--text);font-size:16px;margin-bottom:5px}
    .update-list{display:grid}
    .update-row{display:grid;grid-template-columns:92px minmax(0,1fr) auto;align-items:center;gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}
    .update-row:first-child{border-top:1px solid var(--line)}
    .update-thumb{aspect-ratio:4/3;border-radius:7px;overflow:hidden;background:#132941}
    .update-row p{color:var(--muted);font-size:12px;margin:0}
    .update-label{font-size:11px;color:var(--cyan);white-space:nowrap}
    .rail{display:flex;gap:14px;overflow-x:auto;padding:2px 2px 14px;scroll-snap-type:x mandatory}
    .rail .media-card{min-width:218px;flex:0 0 218px;scroll-snap-align:start}
    .rail .media-cover{aspect-ratio:4/5}
    .faq-list{display:grid;gap:10px;max-width:900px}
    .faq-item{border:1px solid var(--line);border-radius:11px;background:rgba(16,35,58,.52);overflow:hidden}
    .faq-item summary{padding:17px 19px;cursor:pointer;font-weight:700;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";float:right;color:var(--cyan);font-weight:400}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 19px 17px;color:var(--muted);font-size:14px;margin:0;max-width:820px}
    .article-layout{display:grid;grid-template-columns:220px 1fr;gap:35px}
    .article-label{color:var(--cyan);font-size:13px;font-weight:700}
    .article-list{display:grid}
    .article-row{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line)}
    .article-row:first-child{border-top:1px solid var(--line)}
    .article-row a{transition:color .2s}
    .article-row a:hover{color:var(--cyan)}
    .article-row span{color:var(--muted);font-size:12px;white-space:nowrap}
    .final-cta{background:linear-gradient(110deg,#0d2d49,#101c3c);border:1px solid rgba(110,231,249,.15);border-radius:16px;padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:24px}
    .final-cta p{color:#bdd0df;max-width:590px;margin:7px 0 0;font-size:14px}
    footer{padding:44px 0 28px;background:#050c17}
    .footer-main{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid var(--line)}
    .footer-copy{color:var(--muted);max-width:420px;font-size:14px}
    .footer-links{display:flex;flex-wrap:wrap;gap:20px;color:var(--muted);font-size:14px;align-content:flex-start}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{display:flex;justify-content:space-between;gap:20px;color:#6f8497;font-size:12px;padding-top:20px}
    .copyright a:hover{color:var(--muted)}
    @media(max-width:1024px){
      .media-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
      .intro-layout{grid-template-columns:minmax(0,1fr) 240px;gap:28px}
      .updates-layout{gap:28px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 30px))}
      .nav-wrap{height:68px}
      .mobile-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 15px 16px;background:rgba(7,17,31,.98);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.is-open{display:flex}
      .nav-links a{padding:11px 13px}
      .intro-layout{grid-template-columns:1fr}
      .intro-aside{border-left:0;border-top:1px solid var(--line);padding:14px 0 0}
      .page-intro{padding-top:30px}
      main section{padding:48px 0}
      .media-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
      .featured-band{grid-template-columns:1fr;padding:17px}
      .featured-copy{padding:0}
      .updates-layout{grid-template-columns:1fr}
      .article-layout{grid-template-columns:1fr;gap:12px}
      .final-cta{align-items:flex-start;flex-direction:column;padding:26px}
      .footer-main{flex-direction:column}
    }
    @media(max-width:520px){
      h1{font-size:34px}
      h2{font-size:24px}
      .section-head{align-items:flex-start;flex-direction:column;gap:8px}
      .media-body{padding:12px}
      .media-meta{font-size:10px}
      .update-row{grid-template-columns:72px minmax(0,1fr);gap:12px}
      .update-label{grid-column:2}
      .article-row{align-items:flex-start;flex-direction:column;gap:3px}
      .footer-links{gap:12px 18px}
      .copyright{flex-direction:column;gap:5px}
      .final-cta{padding:22px}
    }