/* roulang page: index */
:root{--ink:#101827;--muted:#657083;--paper:#f6f8fc;--white:#fff;--line:#e4e9f1;--violet:#6948ff;--cyan:#20c7c9;--orange:#ff8a4c;--dark:#111827;--radius:24px;--shadow:0 18px 50px rgba(25,35,65,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}img{max-width:100%;display:block}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding:0 22px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,233,241,.8)}
.navbar{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:18px;letter-spacing:-.5px}.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--violet),var(--cyan));display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(105,72,255,.28)}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:10px 15px;border-radius:12px;color:var(--muted);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--violet);background:#f0edff}.nav-button{background:var(--dark)!important;color:#fff!important;padding:11px 18px!important}.nav-button:hover{background:var(--violet)!important}.mobile-tabs{display:none}
.hero{padding:76px 0 66px;background:linear-gradient(115deg,#111827 0%,#1e2450 52%,#243b68 100%);color:#fff;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:url('/assets/images/74a0a8f32c70f887.png') center/cover;opacity:.22;mix-blend-mode:screen}.hero .container{position:relative;z-index:1}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 12px;font-size:12px;color:#d9dcff;background:rgba(255,255,255,.08)}h1{font-size:clamp(38px,5.2vw,68px);line-height:1.13;letter-spacing:-3px;margin:22px 0 22px}.hero-copy{font-size:17px;color:#d6dced;max-width:650px}.hero-actions{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;padding:13px 20px;font-weight:700;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--violet),#927cff);color:#fff;box-shadow:0 12px 25px rgba(105,72,255,.3)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(105,72,255,.4)}.btn-light{background:#fff;color:var(--ink)}.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:25px;border-radius:var(--radius);box-shadow:0 25px 60px rgba(0,0,0,.2)}.hero-card img{height:190px;width:100%;object-fit:cover;border-radius:17px;margin-bottom:20px}.hero-card h3{font-size:22px;margin:0 0 7px}.hero-card p{color:#d6dced;margin:0;font-size:14px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:20px}.stat{background:rgba(255,255,255,.08);border-radius:16px;padding:15px}.stat strong{font-size:24px;display:block;color:#fff}.stat span{font-size:12px;color:#bfc8e2}
section{padding:82px 0}.section-head{max-width:720px;margin-bottom:34px}.section-head .kicker{color:var(--violet);font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:1.5px}.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-1px;margin:9px 0 13px}.section-head p{color:var(--muted);margin:0}.light{background:#fff}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 25px rgba(31,44,72,.04);transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d6ceff}.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#eeeaff;color:var(--violet);font-size:19px;margin-bottom:18px}.card h3{font-size:20px;margin:0 0 8px}.card p{font-size:14px;color:var(--muted);margin:0}.feature{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}.feature img{width:100%;height:370px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.check-list{list-style:none;margin:22px 0 0;padding:0}.check-list li{display:flex;gap:11px;margin:13px 0;color:#414b5e;font-size:15px}.check-list i{color:var(--cyan);margin-top:5px}.dark-section{background:#151b2d;color:#fff}.dark-section .section-head p{color:#aeb8ce}.dark-section .card{background:#202940;border-color:#303b57;color:#fff}.dark-section .card p{color:#b8c1d4}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{position:relative;border-top:3px solid var(--violet);padding-top:18px}.step b{color:var(--cyan);font-size:13px}.step h3{font-size:18px;margin:8px 0}.step p{font-size:14px;color:var(--muted)}.news-card{overflow:hidden;padding:0}.news-card img{height:180px;width:100%;object-fit:cover}.news-content{padding:20px}.news-meta{font-size:12px;color:var(--violet);font-weight:700}.news-content h3{font-size:18px;margin:7px 0}.news-content p{font-size:14px;color:var(--muted);margin:0}.quote{background:linear-gradient(135deg,#f0edff,#e8fbfb);border:0}.quote p{font-size:17px;color:#30384b}.quote strong{display:block;margin-top:18px}.metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric{padding:25px;background:#fff;border-radius:18px;border:1px solid var(--line)}.metric strong{font-size:32px;color:var(--violet);display:block}.metric span{font-size:13px;color:var(--muted)}.subscribe{background:linear-gradient(120deg,#6545ef,#20bfc3);color:#fff;border-radius:30px;padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.subscribe h2{margin:0 0 8px;font-size:30px}.subscribe p{margin:0;color:#e7eaff}.subscribe form{display:flex;gap:8px;min-width:340px}.subscribe input{border:0;border-radius:12px;padding:13px 15px;min-width:0;flex:1}.subscribe .btn{background:#111827;color:#fff}.footer{background:#101827;color:#b9c2d5;padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:35px}.footer h3{color:#fff;margin:0 0 13px;font-size:16px}.footer p{font-size:13px;max-width:380px}.footer a{display:block;font-size:13px;margin:7px 0;color:#b9c2d5}.footer a:hover{color:#fff}.copyright{border-top:1px solid #29344a;margin-top:35px;padding-top:20px;font-size:12px;color:#7f8ba4}.focusable:focus-visible,.btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8c7bff;outline-offset:3px}
@media(max-width:900px){.hero-grid,.feature{grid-template-columns:1fr;gap:30px}.grid-3{grid-template-columns:repeat(2,1fr)}.timeline{grid-template-columns:repeat(2,1fr)}.hero{padding-top:55px}.nav-links{gap:0}}
@media(max-width:640px){.container{padding:0 17px}.navbar{height:68px}.brand{font-size:14px}.brand-mark{width:34px;height:34px}.nav-links a:not(.nav-button){display:none}.nav-button{padding:8px 12px!important;font-size:12px}.hero{padding:48px 0}.hero-grid{display:flex;flex-direction:column}.hero-card{width:100%}h1{font-size:40px;letter-spacing:-2px}.hero-copy{font-size:15px}.stats,.grid-3,.grid-2,.timeline,.metric-band{grid-template-columns:1fr}section{padding:58px 0}.feature img{height:250px}.subscribe{padding:30px 22px;display:block}.subscribe form{min-width:0;margin-top:22px;display:block}.subscribe input{width:100%;margin-bottom:9px}.subscribe .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.mobile-tabs{position:fixed;display:flex;bottom:12px;left:14px;right:14px;z-index:30;background:rgba(17,24,39,.94);border-radius:20px;padding:8px;justify-content:space-around;box-shadow:0 10px 35px rgba(0,0,0,.25)}.mobile-tabs a{color:#aeb8ce;font-size:11px;text-align:center}.mobile-tabs i{display:block;font-size:17px;margin-bottom:2px}.mobile-tabs a.active{color:#fff}}

/* roulang page: category1 */
:root{--ink:#101827;--muted:#657083;--paper:#f6f8fc;--white:#fff;--line:#e4e9f1;--violet:#6948ff;--cyan:#20c7c9;--orange:#ff8a4c;--dark:#111827;--radius:24px;--shadow:0 18px 50px rgba(25,35,65,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none;transition:.25s}img{display:block;max-width:100%}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding:0 22px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,233,241,.8)}.navbar{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:18px;letter-spacing:-.5px}.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--violet),var(--cyan));display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(105,72,255,.28)}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:10px 15px;border-radius:12px;color:var(--muted);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--violet);background:#f0edff}.nav-button{background:var(--dark)!important;color:#fff!important;padding:11px 18px!important}.nav-button:hover{background:var(--violet)!important}
.page-hero{padding:72px 0 65px;background:linear-gradient(115deg,#111827,#24204f 58%,#24566d);color:#fff;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;inset:0;background:url('/assets/images/07bcf082adc77605.webp') center/cover;opacity:.2}.page-hero .container{position:relative;z-index:1}.hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}.eyebrow,.badge{display:inline-flex;gap:7px;align-items:center;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 13px;font-size:12px;color:#d9dcff;background:rgba(255,255,255,.08)}h1{font-size:clamp(36px,5vw,66px);line-height:1.15;letter-spacing:-2px;margin:18px 0 18px}.hero-text{color:#d6dced;font-size:17px;max-width:650px}.hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:22px;border-radius:var(--radius);box-shadow:0 25px 60px rgba(0,0,0,.2)}.hero-panel img{height:230px;width:100%;object-fit:cover;border-radius:18px}.panel-caption{display:flex;justify-content:space-between;gap:12px;margin-top:16px;color:#e6e9f5;font-size:14px}.panel-caption strong{font-size:22px;color:#fff}
section{padding:78px 0}.section-head{max-width:730px;margin-bottom:32px}.kicker{color:var(--violet);font-weight:800;font-size:13px;letter-spacing:1.4px}.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 12px;letter-spacing:-1px}.section-head p{color:var(--muted);margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}.split img{height:350px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 25px rgba(31,44,72,.04);transition:.25s}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d6ceff}.card h3{font-size:20px;margin:0 0 8px}.card p{font-size:14px;color:var(--muted);margin:0}.icon-box{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:#f0edff;color:var(--violet);font-size:20px;margin-bottom:17px}.dark-section{background:#151b2d;color:#fff}.dark-section .section-head p{color:#aeb8ce}.dark-section .card{background:#202940;border-color:#303b57;color:#fff}.dark-section .card p{color:#b8c1d4}.dark-section .kicker{color:#6de1dc}.news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.news-feature{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.news-feature img{height:270px;width:100%;object-fit:cover}.news-body{padding:24px}.news-body h3{font-size:25px;margin:8px 0}.news-list{display:grid;gap:13px}.news-item{display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:18px}.news-item img{width:100px;height:76px;object-fit:cover;border-radius:12px}.news-item h4{font-size:15px;margin:0 0 4px}.news-item p{font-size:12px;color:var(--muted);margin:0}.tag{color:var(--violet);font-size:12px;font-weight:800}.metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.metric{padding:24px;background:#fff;border-radius:20px;border:1px solid var(--line)}.metric strong{display:block;font-size:31px;color:var(--violet);line-height:1.2}.metric span{font-size:13px;color:var(--muted)}.cta{background:linear-gradient(120deg,#6948ff,#20c7c9);color:#fff;border-radius:30px;padding:45px 50px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta h2{margin:0 0 8px;font-size:32px}.cta p{margin:0;color:#e9faff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;padding:13px 20px;font-weight:700;cursor:pointer}.btn-light{background:#fff;color:var(--ink)}.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,0,0,.18)}.footer{background:#101827;color:#b9c2d5;padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:35px}.footer h3{color:#fff;margin:0 0 13px;font-size:16px}.footer p{font-size:13px;max-width:380px}.footer a{display:block;font-size:13px;margin:7px 0;color:#b9c2d5}.footer a:hover{color:#fff}.copyright{border-top:1px solid #29344a;margin-top:35px;padding-top:20px;font-size:12px;color:#7f8ba4}.mobile-tabs{display:none}.focusable:focus-visible,.btn:focus-visible,a:focus-visible{outline:3px solid #8c7bff;outline-offset:3px}
@media(max-width:900px){.hero-layout,.split,.news-layout{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,1fr)}.metric-band{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.container{padding:0 17px}.navbar{height:68px}.brand{font-size:14px}.brand-mark{width:34px;height:34px}.nav-links a:not(.nav-button){display:none}.nav-button{padding:8px 12px!important;font-size:12px}.page-hero{padding:50px 0}.hero-text{font-size:15px}section{padding:58px 0}.card-grid,.metric-band{grid-template-columns:1fr}.split img{height:250px}.cta{display:block;padding:30px 25px}.cta h2{font-size:26px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.mobile-tabs{position:fixed;display:flex;bottom:12px;left:14px;right:14px;z-index:30;background:rgba(17,24,39,.94);border-radius:20px;padding:8px;justify-content:space-around;box-shadow:0 10px 35px rgba(0,0,0,.25)}.mobile-tabs a{color:#aeb8ce;font-size:11px;text-align:center}.mobile-tabs i{display:block;font-size:17px;margin-bottom:2px}.mobile-tabs a.active{color:#fff}}