/* roulang page: index */
:root{--ink:#101326;--muted:#62677d;--paper:#f5f6fb;--primary:#6b4eff;--line:#e3e5ef;--radius:24px;--shadow:0 18px 55px #20234d0b}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:98px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img,svg{display:block;max-width:100%}::selection{background:#dcd5ff;color:#252047}a,button,input,summary{transition:all .2s ease}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #957dff;outline-offset:5px}button:active,.btn:active{transform:translateY(1px)}.container{width:min(1200px,calc(100% - 64px));margin:auto}.site-header{position:sticky;top:0;z-index:40;background:#ffffffed;backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:-.5px}.brand-symbol{display:grid;place-items:center;width:38px;height:42px;color:white;background:linear-gradient(140deg,#896dff,#4431ae);border-radius:13px 13px 13px 3px;font-size:23px;box-shadow:0 5px 14px #6b4eff28}.nav-links{display:flex;align-items:center;gap:10px}.nav-links a{padding:9px 18px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:600}.nav-links a:hover{background:#f0edff;color:var(--primary)}.nav-links a.active{background:#eeeaff;color:#5d40d8}.section{padding:76px 0;border-bottom:1px solid var(--line)}.section:nth-of-type(even){background:#fff}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:32px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--primary);margin-bottom:13px}.section h2{font-size:clamp(25px,3vw,34px);font-weight:800;line-height:1.4;letter-spacing:-1px}.intro{color:var(--muted);max-width:740px;margin-top:18px;font-size:15px;line-height:1.95}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);height:100%}.card:hover{border-color:#c6bafb;box-shadow:0 18px 45px #61529910;transform:translateY(-3px)}.card h3{font-size:19px;font-weight:750;line-height:1.55;margin:14px 0 10px}.card p,.copy{font-size:14px;color:var(--muted);line-height:1.95}.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid #ded8fa;background:#f4f1ff;color:#6246cc;border-radius:99px;padding:5px 11px;font-size:12px;font-weight:650;white-space:nowrap}.badge.green{background:#e8f9f0;color:#246144;border-color:#cfeddd}.badge.neutral{background:#f3f4f8;color:#636779;border-color:#e5e7ef}.dot{width:6px;height:6px;border-radius:50%;background:currentColor}.btn{display:inline-flex;justify-content:center;align-items:center;gap:16px;padding:13px 23px;border-radius:13px;border:1px solid transparent;font-size:14px;font-weight:700;background:var(--primary);color:white;box-shadow:0 7px 20px #6b4eff20}.btn:hover{background:#583bdc;box-shadow:0 9px 25px #6b4eff35;transform:translateY(-2px)}.btn.secondary{background:white;color:var(--ink);border-color:var(--line);box-shadow:none}.btn.secondary:hover{border-color:var(--primary);color:var(--primary)}.hero{overflow:hidden;position:relative;padding:74px 0 60px;background:radial-gradient(ellipse at 90% 20%,#e3dcff 0,transparent 48%),linear-gradient(145deg,#fcfcff,#f1f3fa)}.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center}.hero h1{font-size:clamp(37px,4.5vw,60px);font-weight:850;line-height:1.17;letter-spacing:-2px;margin:20px 0 23px}.gradient-text{background:linear-gradient(100deg,#5d43e1,#a14ac2);color:transparent;background-clip:text}.hero-copy{font-size:15px;color:#575c73;line-height:2.05;max-width:510px}.hero-art{position:relative;margin-top:38px;padding-bottom:30px}.arena{border-radius:32px 90px 32px 32px;overflow:hidden;background:#14162f;box-shadow:0 28px 60px #31246125;transform:rotate(-2deg);position:relative}.arena svg{width:100%;height:auto;min-height:350px}.art-label{position:absolute;top:26px;left:28px;color:#d7d5f6;font-size:12px;letter-spacing:3px}.art-caption{position:absolute;bottom:30px;left:30px;right:30px;color:white}.art-caption strong{display:block;font-size:28px;letter-spacing:-1px}.floating-note{position:absolute;right:15px;bottom:5px;border:1px solid #ffffff90;background:#ffffffed;backdrop-filter:blur(14px);padding:15px 22px;border-radius:17px;box-shadow:var(--shadow);font-size:13px}.hero-foot{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px;font-size:12px;color:var(--muted)}.hero-foot b{color:var(--ink);font-weight:800;margin-right:5px}.icon-box{width:43px;height:43px;border-radius:14px;background:#f0ebff;color:var(--primary);display:grid;place-items:center;font-size:17px;font-weight:800}.dark-band{background:#15182e!important;color:white}.dark-band .intro,.dark-band .copy{color:#b7bbd2}.process-item{padding:24px 0;border-bottom:1px solid #ffffff1c;display:grid;grid-template-columns:48px 1fr;gap:20px}.process-item:last-child{border-bottom:0}.step{font-size:24px;font-weight:750;color:#b3a4ff}.process-item h3{font-size:17px;font-weight:700;margin-bottom:7px}.big-number{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-2px}.quote-box{border-left:3px solid #9b86f7;padding:4px 0 4px 24px}.quote-box h3{font-size:20px;font-weight:700;margin-bottom:14px}.timeline{border-left:1px solid #d9d1f6;margin-left:8px;padding-left:30px}.timeline-item{position:relative;padding:0 0 30px}.timeline-item:last-child{padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-36px;top:7px;width:11px;height:11px;border:3px solid white;border-radius:50%;background:var(--primary);box-shadow:0 0 0 1px #c7baf7}.timeline-item h3{font-size:17px;font-weight:750;margin-bottom:7px}.news-item{display:grid;grid-template-columns:160px 1fr;gap:26px;padding:23px 0;border-bottom:1px solid var(--line)}.news-item:first-child{padding-top:0}.news-item:last-child{border-bottom:0;padding-bottom:0}.news-art{border-radius:18px;display:flex;align-items:center;justify-content:center;min-height:132px;position:relative;overflow:hidden;background:#ece7ff;color:#6449bc;font-size:26px;font-weight:800}.news-art:before,.news-art:after{content:"";position:absolute;border:1px solid currentColor;width:100px;height:100px;border-radius:24px;opacity:.15;transform:rotate(35deg)}.news-art:after{width:140px;height:140px;transform:rotate(55deg)}.news-item h3{font-size:20px;font-weight:750;margin:6px 0 10px}.choice{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;color:#464d66;text-align:left;font-size:14px}.choice:hover{border-color:#9b86f7;background:#f6f3ff}.choice[aria-pressed=true]{background:#eee9ff;border-color:#8a6df5;color:#5638c9;box-shadow:inset 0 0 0 1px #8a6df5}.notice{padding:20px 24px;border:1px solid #e0daf5;border-radius:18px;background:#f4f1fc;font-size:13px;line-height:1.95;color:#615778}.metric{border-left:1px solid var(--line);padding-left:28px}.metric:first-child{border-left:0;padding-left:0}.cta-panel{border-radius:32px;padding:45px;background:linear-gradient(115deg,#342865,#6548b6);color:white;box-shadow:0 18px 50px #55388720}.cta-panel .intro{color:#e2daf3}.switch-row{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:14px}.switch-row input{accent-color:#c7b5ff;width:19px;height:19px}.site-footer{padding:44px 0 26px;background:#101326;color:#b0b5cc;font-size:13px}.site-footer .brand{color:white}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;border-top:1px solid #ffffff16;margin-top:30px}.site-footer a:hover{color:white}.text-link{font-size:14px;color:var(--primary);font-weight:700}.text-link:hover{color:#3c2495}.status{min-height:25px;font-size:13px;margin-top:14px}.skip-link{position:fixed;left:16px;top:-80px;z-index:99;background:white;color:var(--ink);padding:10px 20px;border-radius:10px}.skip-link:focus{top:10px}
@media(min-width:1536px){.container{max-width:1200px}}
@media(max-width:1024px){.container{width:calc(100% - 48px)}.hero-grid{gap:24px;grid-template-columns:1fr 1fr}.hero h1{font-size:44px}.hero-art{margin-top:10px}.section{padding:60px 0}.card{padding:23px}.art-caption strong{font-size:23px}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.nav-inner{min-height:76px;gap:12px}.brand{font-size:16px}.nav-links{gap:3px}.nav-links a{padding:8px 11px;font-size:13px}.hero{padding:45px 0}.hero-grid{grid-template-columns:1fr}.hero-copy{max-width:none}.hero h1{font-size:45px}.hero-art{margin-top:15px;max-width:580px;width:100%;justify-self:center}.arena svg{min-height:0}.section-head{align-items:flex-start;flex-direction:column;gap:16px}.section{padding:50px 0}.cta-panel{padding:30px}.metric{padding-left:18px}.big-number{font-size:38px}.footer-bottom{flex-direction:column;gap:8px}}
@media(max-width:520px){.nav-inner{flex-wrap:wrap;padding:14px 0 10px;gap:9px}.brand-symbol{width:31px;height:34px;font-size:19px}.nav-links{width:100%;border-top:1px solid #eeeef5;padding-top:9px}.nav-links a{flex:1;text-align:center}.hero h1{font-size:39px}.hero{padding-top:30px}.hero-foot{gap:14px}.art-label{font-size:10px;top:21px;left:22px}.art-caption{left:22px;bottom:26px}.art-caption strong{font-size:22px}.floating-note{right:3px;padding:10px 15px;font-size:11px}.news-item{grid-template-columns:85px 1fr;gap:15px}.news-art{min-height:105px;font-size:19px;border-radius:13px}.news-item h3{font-size:17px}.news-item .copy{font-size:13px}.metric{border-left:0;padding:0}.cta-panel{padding:25px}.card{padding:23px}.notice{padding:19px}.hero .btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;transform:none!important}}

/* roulang page: category1 */
:root{--ink:#101326;--muted:#62677d;--paper:#f5f6fb;--primary:#6b4eff;--line:#e3e5ef;--radius:24px;--shadow:0 18px 55px #20234d0b}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}img,svg{display:block;max-width:100%}a,button,input,textarea,summary,.card{transition:all .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #957dff;outline-offset:5px}
button:active,.btn:active{transform:translateY(1px)}
.container{width:min(1200px,calc(100% - 64px));margin:auto}
.site-header{position:sticky;top:0;z-index:40;background:#ffffffed;backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:-.5px}
.brand-symbol{display:grid;place-items:center;flex-shrink:0;width:38px;height:42px;color:white;background:linear-gradient(140deg,#896dff,#4431ae);border-radius:13px 13px 13px 3px;font-size:23px;box-shadow:0 5px 14px #6b4eff28}
.nav-links{display:flex;align-items:center;gap:10px}.nav-links a{padding:9px 18px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:600}.nav-links a:hover{background:#f0edff;color:var(--primary)}.nav-links a.active{background:#eeeaff;color:#5d40d8}
.section{padding:72px 0;border-bottom:1px solid var(--line)}.section:nth-of-type(even){background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:32px}
.eyebrow{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--primary);margin-bottom:13px}
.section h2{font-size:clamp(25px,3vw,34px);font-weight:800;line-height:1.4;letter-spacing:-1px}
.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);height:100%}
.card:hover{border-color:#c6bafb;box-shadow:0 18px 45px #61529910;transform:translateY(-3px)}
.card h3{font-size:19px;font-weight:750;line-height:1.55;margin:14px 0 10px}.card p,.copy{font-size:14px;color:var(--muted);line-height:1.95}
.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid #ded8fa;background:#f4f1ff;color:#6246cc;border-radius:99px;padding:5px 11px;font-size:12px;font-weight:650}
.badge.green{background:#e8f9f0;color:#246144;border-color:#cfeddd}.badge.neutral{background:#f3f4f8;color:#636779;border-color:#e5e7ef}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:16px;padding:13px 23px;border-radius:13px;border:1px solid transparent;font-size:14px;font-weight:700;background:var(--primary);color:white;box-shadow:0 7px 20px #6b4eff20}
.btn:hover{background:#583bdc;box-shadow:0 9px 25px #6b4eff35;transform:translateY(-2px)}
.btn.secondary{background:white;color:var(--ink);border-color:var(--line);box-shadow:none}.btn.secondary:hover{border-color:var(--primary);color:var(--primary)}
.hero{overflow:hidden;position:relative;padding:48px 0 64px;background:radial-gradient(ellipse at 90% 20%,#e3dcff 0,transparent 48%),linear-gradient(145deg,#fcfcff,#f1f3fa)}
.hero h1{font-size:clamp(36px,4.5vw,58px);font-weight:850;line-height:1.22;letter-spacing:-2px;margin:20px 0}
.hero-copy{font-size:16px;color:#575c73;line-height:2.05;max-width:690px}
.breadcrumb{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:13px;color:var(--muted);padding:22px 0}.breadcrumb a:hover{color:var(--primary)}
.hero-panel{margin-top:36px;background:#fff;border:1px solid #e5dffc;border-radius:var(--radius);padding:27px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;box-shadow:var(--shadow)}
.avatar-stack{display:flex;padding-left:8px}.avatar-stack span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;margin-left:-8px;background:#eee8ff;border:3px solid white;color:#694ec0;font-size:12px;font-weight:bold}
.dark-panel{background:#181a34;border-radius:28px;padding:36px;color:white;overflow:hidden}
.process-item{padding:23px 0;border-bottom:1px solid #ffffff1c;display:grid;grid-template-columns:42px 1fr;gap:18px}.process-item:last-child{border-bottom:0}.process-item h3{font-size:17px;font-weight:700;margin-bottom:7px}.process-item p{font-size:14px;color:#b9bfd6}
.step-number{color:#baaaff;font-size:23px;font-weight:700}
.evidence-row{display:grid;grid-template-columns:100px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);font-size:14px}.evidence-row:last-child{border-bottom:0}
.quote-panel{border-left:4px solid #9e87f8;padding:12px 0 12px 25px;margin:26px 0}
.news-item{display:grid;grid-template-columns:160px 1fr;gap:26px;padding:25px 0;border-bottom:1px solid var(--line)}.news-item:first-child{padding-top:0}.news-item:last-child{border-bottom:0;padding-bottom:0}.news-item h3{font-size:20px;font-weight:750;margin:6px 0 10px}
.news-art{min-height:124px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:38px;font-weight:800;letter-spacing:-2px;background:linear-gradient(140deg,#ebe4ff,#d8dff8);color:#6550a7}.news-art.teal{background:linear-gradient(140deg,#def5ed,#dbe8f5);color:#438678}.news-art.dark{background:linear-gradient(140deg,#353055,#171a31);color:#c8baff}
.metric{padding:24px;border:1px solid var(--line);border-radius:20px;background:white}.metric strong{display:block;font-size:34px;color:var(--primary);line-height:1.3}.metric span{font-size:13px;color:var(--muted)}
.cta-panel{border-radius:32px;padding:42px;background:linear-gradient(115deg,#342865,#6548b6);color:white;box-shadow:0 18px 50px #55388720}.cta-panel .intro{color:#e2daf3}
label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}input,textarea{width:100%;background:#fff;border:1px solid #dcd6ed;border-radius:12px;padding:12px 14px;color:var(--ink)}textarea{min-height:120px;resize:vertical}input:hover,textarea:hover{border-color:#a992f8}
.site-footer{padding:44px 0 26px;background:#101326;color:#b0b5cc;font-size:13px}.site-footer .brand{color:white}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;border-top:1px solid #ffffff16;margin-top:30px}.site-footer a:hover{color:white}
.text-link{font-size:14px;color:var(--primary);font-weight:700}.text-link:hover{color:#3c2495}
@media(max-width:1024px){.container{width:calc(100% - 48px)}.section{padding:58px 0}.hero-panel{grid-template-columns:1fr}.card{padding:23px}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.nav-inner{min-height:76px;gap:12px}.brand{font-size:16px}.nav-links a{padding:8px 11px;font-size:13px}.section-head{align-items:flex-start;flex-direction:column;gap:16px}.section{padding:46px 0}.hero{padding:30px 0 45px}.hero h1{font-size:42px}.cta-panel,.dark-panel{padding:27px}.footer-bottom{flex-direction:column;gap:8px}}
@media(max-width:520px){.nav-inner{flex-wrap:wrap;padding:14px 0 10px;gap:9px}.brand-symbol{width:31px;height:34px;font-size:19px}.nav-links{width:100%;border-top:1px solid #eeeef5;padding-top:9px}.nav-links a{flex:1;text-align:center}.hero h1{font-size:35px}.hero-panel{padding:20px}.news-item{grid-template-columns:70px 1fr;gap:16px}.news-art{font-size:25px;min-height:100px}.news-item h3{font-size:18px}.breadcrumb{font-size:12px}.evidence-row{grid-template-columns:75px 1fr}.btn{padding:12px 18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}