/* roulang page: index */
:root{--ink:#f5f7fb;--muted:#aab4c8;--bg:#080b15;--panel:#111728;--panel2:#171f34;--line:#27334c;--cyan:#55e5d0;--violet:#8b7cff;--orange:#ffb86b;--radius:18px;--shadow:0 18px 50px rgba(0,0,0,.28)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button{font:inherit}.container{max-width:1180px;margin:auto;padding:0 22px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,21,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{font-weight:800;font-size:19px;letter-spacing:-.5px}.brand b{color:var(--cyan)}.nav-links{display:flex;gap:8px;align-items:center}.nav-links a{padding:9px 15px;color:var(--muted);border-radius:10px}.nav-links a:hover,.nav-links a.active{color:var(--ink);background:#1a2440}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:12px 19px;background:var(--cyan);color:#07111a;font-weight:800;box-shadow:0 8px 24px rgba(85,229,208,.18)}.nav-cta:hover,.btn:hover{transform:translateY(-2px);background:#83f2e2}.btn.alt{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}.menu{display:none;color:var(--ink);background:none;border:0;font-size:25px}
    .hero{min-height:590px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(8,11,21,.96) 18%,rgba(8,11,21,.72) 57%,rgba(8,11,21,.3)),url('/assets/images/ea54a665486a03cf.png') center/cover}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center}.eyebrow,.tag{display:inline-block;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}.hero h1{font-size:clamp(39px,6vw,72px);line-height:1.08;margin:16px 0 22px;letter-spacing:-2px}.hero p{font-size:18px;color:#c3cce0;max-width:650px}.actions{display:flex;gap:13px;margin-top:28px;flex-wrap:wrap}.spotlight{background:rgba(17,23,40,.88);border:1px solid var(--line);border-radius:24px;padding:25px;box-shadow:var(--shadow)}.spotlight img{height:205px;width:100%;object-fit:cover;border-radius:14px;margin-bottom:19px}.spotlight h3{margin:6px 0}.meta{color:var(--muted);font-size:14px}.progress{display:flex;gap:7px;margin-top:22px}.progress span{height:4px;flex:1;background:var(--line);border-radius:9px}.progress span:first-child{background:var(--cyan)}
    main section{padding:82px 0;border-bottom:1px solid rgba(255,255,255,.06)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}.section-head h2{font-size:32px;line-height:1.2;margin:0}.section-head p{max-width:620px;color:var(--muted);margin:0}.dark{background:#0d1221}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:#506080;box-shadow:var(--shadow)}.card h3{margin:9px 0 8px;font-size:20px}.card p{color:var(--muted);margin:0;font-size:15px}.icon{font-size:28px;color:var(--orange)}.cover{height:170px;width:100%;object-fit:cover;border-radius:13px;margin-bottom:15px}.rail{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.rail .card{padding:14px}.score{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:14px 0}.score:last-child{border:0}.rank{color:var(--orange);font-weight:800}.pill{padding:4px 9px;border-radius:20px;background:#202b46;color:var(--cyan);font-size:12px}.news-list{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.news{display:flex;gap:17px;padding:18px 0;border-bottom:1px solid var(--line)}.news img{width:125px;height:82px;object-fit:cover;border-radius:10px}.news h3{font-size:17px;margin:0 0 5px}.quote{font-size:17px;color:#dce2f0}.quote strong{display:block;color:var(--cyan);margin-top:15px;font-size:14px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{border-top:2px solid var(--violet);padding:18px 17px 0;position:relative}.step:before{content:"";width:12px;height:12px;background:var(--violet);border-radius:50%;position:absolute;top:-7px;left:0}.step b{color:var(--orange)}.cta-band{background:linear-gradient(110deg,#182746,#172039);border:1px solid #33476e;border-radius:24px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-band h2{margin:0 0 8px}.cta-band p{margin:0;color:var(--muted)}footer{padding:42px 0;color:var(--muted);font-size:14px}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer-brand{color:var(--ink);font-weight:800}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:75px 0}.grid-4,.rail{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}}@media(max-width:620px){.nav-links,.nav-cta{display:none}.menu{display:block}.nav-wrap{height:65px}.hero h1{font-size:42px}.section-head,.footer-row,.cta-band{display:block}.section-head p{margin-top:13px}.grid-3,.grid-4,.rail,.news-list,.timeline{grid-template-columns:1fr}.card{padding:20px}.cta-band .btn{margin-top:22px}.hero p{font-size:16px}}

/* roulang page: category1 */
:root{--ink:#f5f7fb;--muted:#aab4c8;--bg:#080b15;--panel:#111728;--panel2:#171f34;--line:#27334c;--cyan:#55e5d0;--violet:#8b7cff;--orange:#ffb86b;--radius:18px;--shadow:0 18px 50px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button{font:inherit}.container{max-width:1180px;margin:auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(8,11,21,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{font-weight:800;font-size:19px}.brand b{color:var(--cyan)}.nav-links{display:flex;gap:8px;align-items:center}.nav-links a{padding:9px 15px;color:var(--muted);border-radius:10px}.nav-links a:hover,.nav-links a.active{color:var(--ink);background:#1a2440}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:12px 19px;background:var(--cyan);color:#07111a;font-weight:800;box-shadow:0 8px 24px rgba(85,229,208,.18)}.nav-cta:hover,.btn:hover{transform:translateY(-2px);background:#83f2e2}.btn.alt{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}.menu{display:none;color:var(--ink);background:none;border:0;font-size:25px}
.hero{padding:88px 0 78px;background:linear-gradient(90deg,rgba(8,11,21,.96),rgba(8,11,21,.55)),url('/assets/images/96516730b00fba18.png') center/cover}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow,.tag{display:inline-block;color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:1.3px}.hero h1{font-size:clamp(40px,5vw,68px);line-height:1.1;margin:16px 0 20px;letter-spacing:-2px}.hero p{font-size:18px;color:#c3cce0;max-width:650px}.hero-panel{background:rgba(17,23,40,.86);border:1px solid #33405f;border-radius:24px;padding:26px;box-shadow:var(--shadow)}.hero-panel img{width:100%;height:230px;object-fit:cover;border-radius:15px;margin-bottom:18px}.panel-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0;color:var(--muted)}.panel-row strong{color:var(--ink)}
main section{padding:78px 0;border-bottom:1px solid rgba(255,255,255,.06)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}.section-head h2{font-size:32px;line-height:1.2;margin:0}.section-head p{max-width:620px;color:var(--muted);margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:#506080;box-shadow:var(--shadow)}.card h3{margin:9px 0 8px;font-size:20px}.card p{color:var(--muted);margin:0;font-size:15px}.pill{padding:4px 9px;border-radius:20px;background:#202b46;color:var(--cyan);font-size:12px}.feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center}.feature img{height:300px;width:100%;object-fit:cover;border-radius:20px}.feature h2{font-size:34px;margin:0 0 15px}.score-list{display:grid;gap:12px}.score-item{display:flex;align-items:center;justify-content:space-between;background:var(--panel2);padding:16px 18px;border-radius:13px;border:1px solid var(--line)}.score-item small{color:var(--muted)}.score{color:var(--orange);font-weight:800}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.step{position:relative;padding:22px;background:#0e1425;border-left:3px solid var(--violet);border-radius:0 14px 14px 0}.step b{color:var(--violet);font-size:13px}.step h3{margin:8px 0}.step p{margin:0;color:var(--muted);font-size:14px}.news-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}.news{display:flex;gap:16px;padding:15px;background:var(--panel);border:1px solid var(--line);border-radius:15px}.news img{width:125px;height:82px;object-fit:cover;border-radius:10px}.news h3{font-size:17px;margin:0 0 5px}.news p{font-size:13px;color:var(--muted);margin:0}.cta-band{background:linear-gradient(110deg,#182746,#172039);border:1px solid #33476e;border-radius:24px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-band h2{margin:0 0 8px}.cta-band p{margin:0;color:var(--muted)}footer{padding:42px 0;color:var(--muted);font-size:14px}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer-brand{color:var(--ink);font-weight:800}
@media(max-width:900px){.hero-grid,.feature{grid-template-columns:1fr}.grid-4,.timeline{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.nav-links,.nav-cta{display:none}.menu{display:block}.nav-wrap{height:65px}.hero{padding:65px 0}.hero h1{font-size:42px}.hero p{font-size:16px}.section-head,.footer-row,.cta-band{display:block}.section-head p{margin-top:13px}.grid-3,.grid-4,.timeline,.news-list{grid-template-columns:1fr}.feature img{height:220px}.cta-band .btn{margin-top:22px}.news img{width:105px;height:75px}}