/* roulang page: index */
:root{--ink:#eaf0ff;--muted:#95a3bf;--bg:#080d1d;--panel:#111a31;--line:#23304d;--cyan:#42e8d0;--violet:#8c7cff;--orange:#ffad61;--radius:20px}
*{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{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.shell{display:flex;min-height:100vh}.side{width:248px;position:fixed;inset:0 auto 0 0;background:#0b1226;border-right:1px solid var(--line);padding:30px 22px;z-index:5}.brand{font-weight:900;font-size:20px;line-height:1.25;letter-spacing:-.5px}.brand b{color:var(--cyan)}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:8px}.nav{margin-top:55px;display:grid;gap:10px}.nav a{padding:13px 16px;border-radius:13px;color:var(--muted);transition:.25s}.nav a:hover,.nav a.active{color:#fff;background:#182542;box-shadow:inset 3px 0 var(--cyan)}.side-note{position:absolute;bottom:30px;color:#657494;font-size:12px}.content{margin-left:248px;width:calc(100% - 248px)}.container{max-width:1180px;margin:auto;padding:0 32px}.hero{min-height:650px;padding:90px 0 70px;position:relative;background:linear-gradient(90deg,rgba(8,13,29,.94),rgba(8,13,29,.62)),url('/assets/images/c5b56dd1b14f0f83.jpg') center/cover}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end}.eyebrow,.tag{color:var(--cyan);font-size:13px;letter-spacing:2px;text-transform:uppercase}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;margin:18px 0 24px;letter-spacing:-3px}.hero p{max-width:700px;color:#bdc8dc;font-size:18px}.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:12px;border:1px solid var(--line);transition:.25s;font-weight:700}.btn-main{background:var(--cyan);color:#07131c;border-color:var(--cyan)}.btn:hover{transform:translateY(-3px);box-shadow:0 10px 28px #0005}.hero-profile{background:#101a32cc;border:1px solid #ffffff20;border-radius:24px;padding:24px;backdrop-filter:blur(12px)}.profile-top{display:flex;align-items:center;gap:15px}.avatar{width:58px;height:58px;border-radius:18px;object-fit:cover}.profile-top strong{font-size:19px}.profile-top span{display:block;color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}.stat{border-top:1px solid var(--line);padding-top:13px}.stat b{font-size:24px;color:#fff;display:block}.stat span{font-size:12px;color:var(--muted)}section{padding:82px 0;border-bottom:1px solid #18243e}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}.section-head h2{font-size:34px;line-height:1.2;margin:8px 0 0;letter-spacing:-1px}.section-head p{max-width:550px;color:var(--muted);margin:0}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.news-list,.rank-list,.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.news-list{overflow:hidden}.news-item{display:flex;gap:20px;padding:20px;border-bottom:1px solid var(--line);transition:.2s}.news-item:last-child{border:0}.news-item:hover{background:#17233f}.news-item img{width:145px;height:88px;object-fit:cover;border-radius:12px}.news-item h3{margin:0 0 5px;font-size:17px}.news-item p{margin:0;color:var(--muted);font-size:13px}.rank-list{padding:12px}.rank{display:flex;align-items:center;gap:14px;padding:16px;border-bottom:1px solid var(--line)}.rank:last-child{border:0}.rank em{font-style:normal;color:var(--orange);font-weight:900}.rank b{margin-left:auto;color:var(--cyan)}.topic{background:linear-gradient(110deg,#183d4a,#232451);border-radius:24px;padding:34px;display:flex;justify-content:space-between;align-items:center}.topic h2{margin:0;font-size:30px}.topic p{color:#c5d1e7;margin:7px 0 0}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:26px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:#5365a0;box-shadow:0 15px 35px #0003}.card h3{margin:15px 0 8px;font-size:20px}.card p{color:var(--muted);font-size:14px;margin:0}.icon{width:42px;height:42px;border-radius:13px;background:#203256;color:var(--cyan);display:grid;place-items:center;font-weight:900}.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cover{overflow:hidden;padding:0}.cover img{height:190px;width:100%;object-fit:cover}.cover div{padding:20px}.cover h3{margin:0 0 7px}.cover p{margin:0;color:var(--muted);font-size:14px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.time{padding:20px;border-left:1px solid var(--line)}.time:first-child{border:0}.time b{color:var(--cyan);font-size:24px}.time h3{font-size:17px;margin:10px 0}.time p{color:var(--muted);font-size:13px}.quote{background:#111a31;border-radius:24px;padding:34px;font-size:21px}.quote span{display:block;color:var(--muted);font-size:14px;margin-top:16px}.download{background:linear-gradient(120deg,#182947,#162035);border:1px solid #31466d;border-radius:24px;padding:38px;display:flex;justify-content:space-between;align-items:center}.download p{color:var(--muted);max-width:650px}.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq .card h3{font-size:16px;margin-top:0}.footer{padding:45px 0;color:var(--muted);font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:25px}.footer strong{color:#fff;font-size:18px}.footer a:hover{color:var(--cyan)}:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media(max-width:900px){.side{width:190px}.content{margin-left:190px;width:calc(100% - 190px)}.hero-grid,.split{grid-template-columns:1fr}.three,.cover-grid{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.shell{display:block}.side{position:relative;width:100%;height:auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between}.nav{margin:0;display:flex;gap:4px}.nav a{font-size:13px;padding:8px}.side-note{display:none}.content{margin:0;width:100%}.container{padding:0 19px}.hero{padding:65px 0 50px;min-height:auto}.hero h1{font-size:43px;letter-spacing:-2px}.hero p{font-size:16px}.hero-profile{margin-top:20px}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:12px}.three,.cover-grid,.faq,.timeline{grid-template-columns:1fr}.news-item img{width:105px;height:75px}.topic,.download,.footer-grid{display:block}.topic .btn,.download .btn{margin-top:20px}.stats{gap:5px}}

/* roulang page: category1 */
:root{--ink:#eaf0ff;--muted:#95a3bf;--bg:#080d1d;--panel:#111a31;--line:#23304d;--cyan:#42e8d0;--violet:#8c7cff;--orange:#ffad61;--radius:20px}
*{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{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{max-width:1180px;margin:auto;padding:0 32px}.shell{display:flex;min-height:100vh}.side{width:228px;position:fixed;inset:0 auto 0 0;padding:34px 24px;background:#0b1227;border-right:1px solid var(--line);z-index:5}.brand{font-weight:900;font-size:20px;line-height:1.25}.brand b{color:var(--cyan)}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:8px}.nav{margin-top:55px;display:grid;gap:10px}.nav a{padding:13px 16px;border-radius:13px;color:var(--muted);transition:.25s}.nav a:hover,.nav a.active{color:#fff;background:#182542;box-shadow:inset 3px 0 var(--cyan)}.side-note{position:absolute;bottom:34px;color:#71809d;font-size:12px}.content{margin-left:228px;width:calc(100% - 228px)}.hero{padding:88px 0 75px;background:linear-gradient(90deg,rgba(8,13,29,.96),rgba(8,13,29,.55)),url('/assets/images/a594d95752321f36.png') center/cover}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.eyebrow,.tag{color:var(--cyan);font-size:13px;letter-spacing:2px}.hero h1{font-size:clamp(40px,5vw,70px);line-height:1.1;letter-spacing:-3px;margin:18px 0}.hero p{color:#bdc8dc;font-size:18px;max-width:650px}.btn{display:inline-flex;padding:13px 22px;border-radius:12px;border:1px solid var(--line);font-weight:700;transition:.25s}.btn-main{background:var(--cyan);color:#07131c;border-color:var(--cyan)}.btn:hover{transform:translateY(-3px);box-shadow:0 10px 28px #0005}.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.panel,.card,.news-list{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.hero-panel{padding:25px;background:#101a32dd;border:1px solid #ffffff20;border-radius:24px;backdrop-filter:blur(12px)}.hero-panel img{height:215px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:20px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{padding:15px;background:#182542;border-radius:13px}.metric strong{display:block;color:var(--cyan);font-size:25px}.metric span{color:var(--muted);font-size:12px}section{padding:76px 0;border-bottom:1px solid #18243e}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head h2{font-size:34px;line-height:1.2;margin:8px 0}.section-head p{max-width:570px;color:var(--muted);margin:0}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:25px;transition:.25s}.card:hover{transform:translateY(-5px);border-color:#5365a0;box-shadow:0 15px 35px #0003}.card h3{margin:14px 0 8px;font-size:20px}.card p{color:var(--muted);font-size:14px;margin:0}.cover-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px}.cover{overflow:hidden;padding:0}.cover img{width:100%;height:180px;object-fit:cover}.cover div{padding:21px}.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}.news-list{overflow:hidden}.news-item{display:flex;gap:19px;padding:19px;border-bottom:1px solid var(--line);transition:.2s}.news-item:last-child{border:0}.news-item:hover{background:#17233f}.news-item img{width:130px;height:82px;object-fit:cover;border-radius:11px}.news-item h3{margin:0 0 5px;font-size:17px}.news-item p{margin:0;color:var(--muted);font-size:13px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{border-left:2px solid var(--cyan);padding:15px 18px;background:#101a30;border-radius:0 14px 14px 0}.step b{color:var(--orange);font-size:13px}.step h3{margin:8px 0;font-size:17px}.step p{color:var(--muted);font-size:13px;margin:0}.quote{padding:34px;background:linear-gradient(135deg,#172344,#111a31);border:1px solid #354776;border-radius:24px}.quote p{font-size:22px;margin:0 0 15px}.quote span{color:var(--muted)}.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq .card h3{font-size:16px;margin-top:0}.cta{background:#101a31}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{font-size:32px;margin:0}.cta p{color:var(--muted)}.footer{padding:45px 0;color:var(--muted);font-size:13px}.footer-grid{display:flex;justify-content:space-between;gap:25px}.footer strong{color:#fff;font-size:18px}.footer a:hover{color:var(--cyan)}:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
@media(max-width:900px){.side{width:190px}.content{margin-left:190px;width:calc(100% - 190px)}.hero-grid,.split{grid-template-columns:1fr}.three,.cover-grid{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.shell{display:block}.side{position:relative;width:100%;height:auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between}.nav{margin:0;display:flex;gap:4px}.nav a{font-size:13px;padding:8px}.side-note{display:none}.content{margin:0;width:100%}.container{padding:0 19px}.hero{padding:62px 0 50px}.hero h1{font-size:43px;letter-spacing:-2px}.hero p{font-size:16px}.hero-panel{margin-top:20px}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:12px}.three,.cover-grid,.faq,.timeline{grid-template-columns:1fr}.news-item img{width:105px;height:75px}.cta-box,.footer-grid{display:block}.cta .btn{margin-top:20px}}