/* roulang page: index */
:root{--ink:#f5f7ff;--muted:#9ba5c2;--bg:#080b16;--panel:#11172a;--line:rgba(255,255,255,.1);--cyan:#4de3d0;--violet:#8b7cff;--pink:#ff5c98;--shadow:0 18px 50px rgba(0,0,0,.28);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(8,11,22,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{font-weight:900;letter-spacing:-.04em;font-size:22px}.logo span{color:var(--cyan)}.header-tools{display:flex;align-items:center;gap:14px}.search{background:#151c32;border:1px solid var(--line);border-radius:12px;padding:9px 14px;color:#fff;width:190px;outline:none}.search:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(77,227,208,.12)}.nav-row{border-top:1px solid rgba(255,255,255,.05);overflow:auto}.tabs{display:flex;gap:8px;min-width:max-content;padding:10px 0}.tab{padding:7px 17px;color:var(--muted);border-radius:999px;font-size:14px;transition:.25s}.tab:hover,.tab.active{background:#1d2945;color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 20px;font-weight:700;cursor:pointer;transition:.25s}.btn-primary{background:var(--cyan);color:#08121b}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(77,227,208,.2)}.btn-dark{background:#202942;color:#fff;border:1px solid var(--line)}.hero{min-height:620px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(8,11,22,.95) 14%,rgba(8,11,22,.68) 52%,rgba(8,11,22,.25)),url('/assets/images/a2292ababfa1b3cc.jpg') center/cover}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}.eyebrow,.badge{color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.06em;margin:18px 0}.hero p{font-size:18px;color:#d2d7e8;max-width:650px}.actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.hero-card{background:rgba(17,23,42,.8);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}.hero-card img{height:210px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:18px}.live{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:13px 0}.live:last-child{border:0}.live strong{font-size:18px}.live em{font-style:normal;color:var(--pink);font-size:12px}.section{padding:92px 0;border-bottom:1px solid rgba(255,255,255,.06)}.section.alt{background:#0d1221}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:8px 0}.section-head p{max-width:570px;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:rgba(77,227,208,.38);box-shadow:var(--shadow)}.card h3{margin:12px 0 8px;font-size:21px}.card p{color:var(--muted);margin:0;font-size:14px}.number{font-size:38px;font-weight:900;color:var(--cyan)}.feature{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}.feature img{width:100%;height:100%;min-height:300px;object-fit:cover;border-radius:var(--radius)}.feature-copy{padding:34px;background:#151c31;border:1px solid var(--line);border-radius:var(--radius)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.step{padding:20px;border-left:2px solid var(--violet);background:#11172a;border-radius:0 16px 16px 0}.step b{color:var(--violet);font-size:26px}.cover{height:180px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:16px}.news{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.news-list{display:grid;gap:10px}.news-item{display:flex;gap:16px;align-items:center;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:15px}.news-item span{color:var(--cyan);font-size:12px;white-space:nowrap}.quote{font-size:20px;color:#e7eaff}.cta{background:linear-gradient(115deg,#172a42,#252047);border-radius:var(--radius);padding:48px;text-align:center}.cta p{max-width:680px;margin:12px auto 24px;color:#c4cbe0}.footer{padding:42px 0;color:var(--muted);font-size:14px}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer strong{color:#fff}.focus{outline:3px solid rgba(77,227,208,.35);outline-offset:3px}@media(max-width:900px){.hero-grid,.feature,.news{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.hero{min-height:auto;padding:100px 0}.search{display:none}}@media(max-width:560px){.container{width:min(100% - 28px,1160px)}.topbar{height:68px}.logo{font-size:18px}.header-tools .btn{padding:9px 12px;font-size:13px}.grid,.steps{grid-template-columns:1fr}.section{padding:64px 0}.section-head{display:block}.section-head p{margin-top:12px}.hero h1{font-size:42px}.hero p{font-size:16px}.hero-card{padding:16px}.cta{padding:32px 20px}}

/* roulang page: category1 */
:root{--ink:#f5f7ff;--muted:#9ba5c2;--bg:#080b16;--panel:#11172a;--line:rgba(255,255,255,.1);--cyan:#4de3d0;--violet:#8b7cff;--pink:#ff5c98;--shadow:0 18px 50px rgba(0,0,0,.28);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(8,11,22,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{font-weight:900;letter-spacing:-.04em;font-size:22px}.logo span{color:var(--cyan)}.header-tools{display:flex;align-items:center;gap:14px}.search{background:#151c32;border:1px solid var(--line);border-radius:12px;padding:9px 14px;color:#fff;width:190px;outline:none}.search:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(77,227,208,.12)}.nav-row{border-top:1px solid rgba(255,255,255,.05);overflow:auto}.tabs{display:flex;gap:8px;white-space:nowrap}.tab{padding:12px 17px;color:var(--muted);font-size:14px;border-bottom:2px solid transparent;transition:.25s}.tab:hover,.tab.active{color:var(--ink);border-color:var(--cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 20px;font-weight:700;cursor:pointer;transition:.25s}.btn-primary{background:var(--cyan);color:#08121b}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(77,227,208,.2)}.btn-dark{background:#202942;color:#fff;border:1px solid var(--line)}
.hero{padding:88px 0 72px;background:linear-gradient(90deg,rgba(8,11,22,.96),rgba(8,11,22,.7)),url('/assets/images/aff72c0498ed8e0d.webp') center/cover}.hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:58px;align-items:center}.eyebrow,.badge{color:var(--cyan);font-size:13px;font-weight:800;letter-spacing:.12em}.hero h1{font-size:clamp(40px,5.5vw,70px);line-height:1.1;letter-spacing:-.06em;margin:18px 0}.hero p{font-size:18px;color:#d2d7e8;max-width:670px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.stack{position:relative;min-height:410px}.stack-card{position:absolute;background:rgba(17,23,42,.88);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);backdrop-filter:blur(12px);width:82%}.stack-card:first-child{top:0;right:0;z-index:2}.stack-card:nth-child(2){top:150px;left:0;z-index:3;transform:rotate(-4deg)}.stack-card:nth-child(3){bottom:0;right:8%;z-index:1;transform:rotate(3deg)}.stack-card img{height:145px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:12px}.stack-card strong{font-size:18px}.stack-card small{color:var(--muted)}
.section{padding:82px 0;border-bottom:1px solid rgba(255,255,255,.06)}.section.alt{background:#0d1221}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin:8px 0}.section-head p{max-width:570px;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:rgba(77,227,208,.38);box-shadow:var(--shadow)}.card h3{margin:12px 0 8px;font-size:21px}.card p{color:var(--muted);margin:0;font-size:14px}.card img{width:100%;height:160px;object-fit:cover;border-radius:15px;margin-bottom:16px}.feature{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}.feature img{width:100%;height:100%;min-height:320px;object-fit:cover;border-radius:var(--radius)}.feature-copy{padding:34px;background:#151c31;border:1px solid var(--line);border-radius:var(--radius)}.feature-copy p{color:var(--muted)}.score-list{display:grid;gap:12px}.score{display:grid;grid-template-columns:90px 1fr 100px;align-items:center;gap:18px;padding:18px 20px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.score em{font-style:normal;color:var(--pink);font-size:12px;font-weight:800}.score b{font-size:18px}.score span{color:var(--muted);text-align:right;font-size:14px}.rank-list{display:grid;gap:10px}.rank{display:flex;align-items:center;gap:16px;padding:15px 18px;background:#151c31;border-radius:14px;border:1px solid var(--line)}.rank strong{width:30px;color:var(--cyan);font-size:20px}.rank p{margin:0;flex:1}.rank small{color:var(--muted)}.timeline{border-left:2px solid var(--cyan);padding-left:25px;display:grid;gap:24px}.timeline article{position:relative}.timeline article:before{content:"";position:absolute;left:-34px;top:9px;width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(77,227,208,.12)}.timeline h3{margin:0 0 5px}.timeline p{color:var(--muted);margin:0}.cta{background:linear-gradient(115deg,#172a42,#252047);border-radius:var(--radius);padding:48px;text-align:center}.cta p{max-width:680px;margin:12px auto 24px;color:#c4cbe0}.footer{padding:42px 0;color:var(--muted);font-size:14px}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer strong{color:#fff}
@media(max-width:900px){.hero-grid,.feature{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.hero{padding:75px 0}.stack{min-height:430px}.search{display:none}}
@media(max-width:560px){.container{width:min(100% - 28px,1160px)}.topbar{height:68px}.logo{font-size:18px}.header-tools .btn{padding:9px 12px;font-size:13px}.grid{grid-template-columns:1fr}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.hero h1{font-size:42px}.hero p{font-size:16px}.stack{min-height:390px}.stack-card{width:88%;padding:15px}.stack-card img{height:120px}.score{grid-template-columns:62px 1fr;gap:8px}.score span{grid-column:2;text-align:left}.cta{padding:32px 20px}}