/* roulang page: index */
:root{--bg:#111512;--surface:#191e1a;--surface-2:#202722;--ink:#f3f6ef;--muted:#a6b0a8;--accent:#c2f56b;--accent-dark:#1c2b0c;--purple:#b8a2ee;--line:#333d34;--radius:20px;--shadow:0 18px 50px #0003;--space:88px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:132px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}h1,h2,h3,p,ul,ol,figure{margin:0}h1,h2,h3{line-height:1.3;letter-spacing:-.025em}h2{font-size:clamp(26px,3.4vw,40px);font-weight:700}h3{font-size:19px}a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a:active,button:active{transform:translateY(1px)}img,svg{display:block;max-width:100%}button{border:0}ul,ol{padding:0;list-style:none}.container{width:min(var(--max),calc(100% - 64px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:#111512f5;backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}.logo{display:inline-flex;align-items:center;gap:11px;font-size:24px;font-weight:850;white-space:nowrap}.logo-mark{width:33px;height:33px;display:grid;place-items:center;background:var(--accent);color:var(--bg);border-radius:9px;font-size:24px;line-height:1;transform:rotate(-7deg)}.brand-note{color:var(--muted);font-size:12px;border-left:1px solid var(--line);padding-left:20px;letter-spacing:.1em}.brand-group{display:flex;align-items:center;gap:24px}.search{display:flex;align-items:center;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:4px 5px 4px 14px;max-width:300px}.search input{min-width:0;width:100%;border:0;background:none;color:var(--ink);font-size:13px;outline-offset:3px}.search input::placeholder{color:var(--muted)}.search button{padding:6px 12px;background:var(--accent);color:var(--accent-dark);border-radius:6px;font-size:12px;font-weight:700}.nav-row{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:47px}.navigation{display:flex;gap:34px;align-self:stretch}.navigation a{display:flex;align-items:center;border-bottom:2px solid transparent;color:var(--muted);font-size:14px}.navigation a:hover,.navigation a.active{color:var(--accent);border-color:var(--accent)}.trend{color:var(--muted);font-size:12px;display:flex;gap:18px}.trend b{color:var(--accent);font-weight:500}.hero{padding:76px 0 0;position:relative;overflow:hidden;isolation:isolate;background:#171e17;min-height:660px}.hero-art{position:absolute;inset:0;z-index:-1;opacity:.55;overflow:hidden}.hero-art svg{width:100%;height:100%;min-width:900px;object-fit:cover}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#141b14fa 0%,#141b14c9 48%,#141b1420 100%)}.hero-copy{max-width:760px;position:relative;padding-bottom:55px}.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--accent);display:flex;align-items:center;gap:10px;margin-bottom:22px}.eyebrow:before{content:"";height:7px;width:7px;border-radius:50%;background:var(--accent)}h1{font-size:clamp(40px,6.3vw,74px);line-height:1.13;margin-bottom:25px}h1 span{color:var(--accent)}.hero-text{font-size:16px;line-height:2;color:#c2cdc1;max-width:690px}.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:29px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:48px;border-radius:9px;padding:12px 23px;font-size:14px;font-weight:700;background:var(--accent);color:var(--accent-dark);border:1px solid transparent;transition:transform .2s,background .2s,box-shadow .2s}.btn:hover{background:#d1ff86;box-shadow:0 7px 24px #a8e55a25;transform:translateY(-2px)}.btn.secondary{background:#18201899;border-color:#66725b;color:var(--ink)}.btn.secondary:hover{background:#2c372b}.hero-strip{border-top:1px solid #ffffff20;display:flex;gap:40px;padding:20px 0;color:#c4cec0;font-size:12px;letter-spacing:.06em}.hero-strip span{display:flex;gap:10px;align-items:center}.hero-strip i{font-style:normal;color:var(--accent)}section{padding:var(--space) 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:34px}.section-head>div{max-width:640px}.overline{display:block;color:var(--accent);font-size:12px;letter-spacing:.12em;margin-bottom:13px}.intro{color:var(--muted);margin-top:18px;line-height:1.95;max-width:740px}.section-index{color:#5b695d;font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap}.countdown-section{padding:30px 0;background:var(--accent);color:var(--accent-dark)}.countdown-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center}.countdown-section h2{font-size:23px}.countdown-section p{font-size:13px;color:#435528;margin-top:8px;max-width:650px}.clock{display:flex;align-items:center;justify-content:flex-end;gap:15px}.clock-unit{display:grid;justify-items:center;min-width:66px}.clock-unit strong{font-size:36px;line-height:1.2;font-variant-numeric:tabular-nums}.clock-unit small{font-size:11px}.clock>span{font-size:23px;opacity:.4}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .2s,transform .2s,box-shadow .2s}.card:hover{border-color:#5a7051;transform:translateY(-3px);box-shadow:var(--shadow)}.card p{font-size:14px;color:var(--muted);margin-top:13px;line-height:1.9}.icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#c2f56b14;color:var(--accent);font-size:22px;margin-bottom:25px}.icon.purple{background:#b8a2ee18;color:var(--purple)}.icon.orange{background:#efa77e18;color:#efa77e}.tag{display:inline-flex;align-items:center;padding:3px 10px;border:1px solid var(--line);border-radius:6px;font-size:11px;color:var(--muted);line-height:1.6}.card .tag{margin-top:21px}.tinted{background:#151b16}.split{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:start}.benefits{display:grid;gap:0}.benefits li{display:flex;gap:19px;padding:23px 0;border-bottom:1px solid var(--line)}.benefits li:first-child{padding-top:0}.tick{color:var(--accent);font-size:21px}.benefits h3{font-size:17px}.benefits p{font-size:14px;color:var(--muted);margin-top:7px}.note{font-size:12px;color:var(--muted);margin-top:20px}.channels{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:30px}.channel{position:relative;padding:28px;border-radius:var(--radius);min-height:218px;border:1px solid var(--line);background:var(--surface);overflow:hidden}.channel:before{position:absolute;content:attr(data-n);right:13px;top:0;font-size:95px;font-weight:900;color:#ffffff05;line-height:1.2}.channel h3{position:relative;margin-bottom:14px}.channel p{color:var(--muted);font-size:14px;position:relative}.channel small{display:block;color:var(--accent);margin-top:24px;font-size:12px}.text-link{color:var(--accent);font-size:14px;white-space:nowrap}.text-link:hover{color:#e0ffae}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:steps}.step{border-top:2px solid var(--line);padding-top:25px}.step:before{counter-increment:steps;content:"0" counter(steps);display:block;color:var(--accent);font-size:29px;font-weight:750;margin-bottom:26px}.step h3{font-size:18px}.step p{color:var(--muted);font-size:14px;margin-top:12px}.demo-stage{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:55px}.demo-window{background:#232c24;border:1px solid #435040;border-radius:18px;padding:22px;box-shadow:var(--shadow);transform:rotate(-1deg)}.window-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid #465240;font-size:13px}.dots{display:flex;gap:5px}.dots i{display:block;width:6px;height:6px;background:#697763;border-radius:50%}.demo-heading{margin:24px 0 14px;font-size:22px}.demo-row{display:grid;grid-template-columns:60px 1fr auto;gap:13px;align-items:center;padding:17px 0;border-bottom:1px solid #3b4938;font-size:13px}.demo-row small{display:block;color:#acb7a7}.demo-time{color:var(--accent);font-size:18px;font-weight:700}.demo-foot{display:flex;justify-content:space-between;color:#b8c7af;font-size:12px;padding-top:19px}.reward-card{padding:0;overflow:hidden}.reward-art{height:140px;display:grid;place-items:center;background:#26351d;position:relative;border-bottom:1px solid var(--line)}.reward-art:before,.reward-art:after{content:"";position:absolute;width:95px;height:95px;border:1px solid #c2f56b30;transform:rotate(35deg);border-radius:16px}.reward-art:after{transform:rotate(60deg);width:115px;height:115px}.reward-art span{font-size:40px;color:var(--accent);z-index:1}.reward-art.violet{background:#2a2535}.reward-art.violet span{color:var(--purple)}.reward-art.slate{background:#233030}.reward-body{padding:25px}.reward-body h3{font-size:18px}.reward-body .tag{color:var(--accent)}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}.price{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:15px}.price strong{font-size:27px;color:var(--accent)}.plain-list{margin-top:20px}.plain-list li{padding:10px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.plain-list li:before{content:"✓";color:var(--accent);margin-right:10px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:100px 1fr 32px;gap:26px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start}.news-item .tag{justify-self:start;margin-top:4px}.news-item h3{font-size:20px}.news-item p{color:var(--muted);font-size:14px;margin-top:11px;max-width:850px}.news-item .arrow{color:#697b62;font-size:24px}.search-result{font-size:13px;color:var(--accent);margin-bottom:15px}.search-result:empty{display:none}.voices{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.voice{border-left:3px solid var(--accent);background:var(--surface);padding:28px 32px;border-radius:0 16px 16px 0}.voice:nth-child(2){border-color:var(--purple)}.quote-symbol{color:var(--accent);font-size:40px;line-height:1}.voice h3{font-size:20px;margin-top:12px}.voice p{color:var(--muted);font-size:14px;margin-top:16px}.voice small{display:block;margin-top:22px;color:#bacaaf;font-size:12px}.security-row{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:28px}.security-cell{padding:26px;border-right:1px solid var(--line)}.security-cell:last-child{border:0}.security-cell b{display:block;font-size:16px;margin-bottom:10px}.security-cell p{font-size:13px;color:var(--muted)}.signup-section{background:#1f2c1b;padding:65px 0}.signup-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.signup-section .intro{color:#bdccb5}.plan-form{background:#152011;border:1px solid #4b6040;border-radius:var(--radius);padding:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;color:#c3cfbd;font-size:13px;margin-bottom:8px}.field input,.field select{width:100%;padding:12px;border:1px solid #46543d;background:#253120;color:var(--ink);border-radius:8px;min-height:47px;color-scheme:dark}.plan-form .btn{width:100%;margin-top:18px}.form-status{font-size:13px;color:var(--accent);margin-top:14px;min-height:24px}.clear-btn{background:none;padding:0;border-bottom:1px solid #7c8f6f;color:#b6c7a8;font-size:12px;margin-top:8px}.clear-btn:hover{color:var(--accent)}.site-footer{padding:50px 0 24px;background:#0d100e}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:32px}.footer-brand p{color:var(--muted);font-size:13px;margin-top:15px;max-width:450px}.footer-links{display:flex;gap:26px;align-items:start;font-size:13px;color:var(--muted)}.footer-links a:hover{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px;font-size:11px;color:#839080}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:100;border:1px solid #789358;background:#25351c;color:#e1f5cb;border-radius:12px;padding:13px 23px;box-shadow:var(--shadow);font-size:14px;max-width:calc(100% - 32px);width:max-content}
@media(min-width:1450px){.hero-art svg{transform:translateX(10%)}}
@media(max-width:1024px){:root{--space:65px}.container{width:calc(100% - 44px)}.brand-note{display:none}.hero{min-height:auto;padding-top:60px}.hero-copy{max-width:720px}.split{gap:35px}.demo-stage,.signup-layout{gap:30px}.card{padding:23px}.reward-card{padding:0}.grid-4,.security-row{grid-template-columns:repeat(2,1fr)}.security-cell:nth-child(2){border-right:0}.security-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}.steps{gap:18px}.clock{gap:9px}}
@media(max-width:768px){:root{--space:52px}.brand-row{min-height:69px;gap:16px}.logo{font-size:21px}.search{max-width:240px}.trend{gap:12px}.trend span:last-child{display:none}.hero{padding-top:48px}.hero-art{opacity:.3}.hero:after{background:#141b1490}.hero-copy{padding-bottom:35px}.hero-text{font-size:14px}.hero-strip{gap:24px;flex-wrap:wrap}.countdown-layout,.split,.demo-stage,.signup-layout{grid-template-columns:1fr;gap:30px}.clock{justify-content:flex-start}.countdown-section p{font-size:13px}.grid-3,.channels{grid-template-columns:1fr}.card{padding:25px}.reward-card{padding:0}.grid-3 .icon{margin-bottom:17px}.channels{gap:12px}.channel{min-height:auto;padding:23px}.channel small{margin-top:14px}.steps{grid-template-columns:repeat(2,1fr);gap:27px}.section-head{align-items:start;gap:18px}.section-index{display:none}.demo-window{transform:none}.reward-art{height:120px}.comparison,.voices{grid-template-columns:1fr}.news-item{grid-template-columns:75px 1fr;gap:15px}.news-item .arrow{display:none}.footer-top{flex-direction:column;gap:25px}.footer-links{flex-wrap:wrap}.intro{font-size:14px}.signup-section{padding:50px 0}}
@media(max-width:520px){.container{width:calc(100% - 32px)}.brand-row{flex-wrap:wrap;padding:15px 0;gap:12px}.search{max-width:none;flex:1;min-width:150px}.search input{font-size:12px}.search button{padding:6px 9px}.brand-group{gap:0}.logo{font-size:18px;gap:8px}.logo-mark{width:27px;height:27px;font-size:20px}.navigation{gap:25px;flex-shrink:0}.navigation a{font-size:13px}.nav-row{gap:12px;min-height:43px}.trend{font-size:10px;gap:0}.trend span{display:none}.hero h1{font-size:40px}.hero{padding-top:40px}.hero-strip{gap:10px 20px;font-size:11px}.hero-text{line-height:1.95}.actions{gap:10px}.btn{padding:11px 17px;gap:13px}.clock-unit{min-width:55px}.clock-unit strong{font-size:32px}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:18px}.steps{gap:25px 18px}.step h3{font-size:16px}.step p{font-size:13px}.demo-window{padding:17px}.demo-row{grid-template-columns:45px 1fr auto;gap:9px}.demo-row .tag{font-size:10px;padding:3px 6px}.demo-time{font-size:16px}.security-cell{padding:19px}.news-item{grid-template-columns:1fr;gap:10px}.news-item h3{font-size:18px}.form-grid{grid-template-columns:1fr}.plan-form{padding:22px}.voice{padding:24px}.footer-bottom{overflow-wrap:anywhere}html{scroll-padding-top:150px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* roulang page: category1 */
:root{--bg:#111512;--surface:#191e1a;--surface2:#202722;--ink:#f3f6ef;--muted:#a6b0a8;--accent:#c2f56b;--purple:#b8a2ee;--line:#333d34;--radius:20px;--shadow:0 18px 50px #0005;--max:1180px}
*{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:1.8}a{color:inherit;text-decoration:none;transition:.2s}button,input{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.container{width:min(var(--max),calc(100% - 64px));margin:auto}.site-header{position:sticky;top:0;z-index:9;background:#111512f5;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand-row,.nav-row{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand-row{min-height:76px}.brand-group{display:flex;align-items:center;gap:22px}.logo{font-size:24px;font-weight:850;display:flex;align-items:center;gap:10px;white-space:nowrap}.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--accent);color:#17200f;font-size:22px;transform:rotate(-7deg)}.brand-note{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:20px}.search{display:flex;background:var(--surface2);border:1px solid var(--line);border-radius:9px;padding:4px 5px 4px 14px;max-width:300px}.search input{width:100%;min-width:0;border:0;background:none;color:var(--ink);outline:0}.search button,.btn{border:0;border-radius:8px;background:var(--accent);color:#1d2b0d;font-weight:750;cursor:pointer}.search button{padding:6px 13px;font-size:12px}.nav-row{min-height:48px}.navigation{display:flex;gap:34px;align-self:stretch}.navigation a{display:flex;align-items:center;color:var(--muted);font-size:14px;border-bottom:2px solid transparent}.navigation a:hover,.navigation a.active{color:var(--accent);border-color:var(--accent)}.trend{display:flex;gap:18px;color:var(--muted);font-size:12px}.trend b{color:var(--accent)}.hero{padding:82px 0 76px;background:radial-gradient(circle at 78% 30%,#4b5d3860,transparent 30%),#171e17;border-bottom:1px solid var(--line)}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:.16em}.hero-grid{display:grid;grid-template-columns:1fr .75fr;gap:70px;align-items:center}.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.12;margin:20px 0}.hero p{max-width:650px;color:#c2cdc1;font-size:16px}.btn{display:inline-flex;padding:12px 22px;margin:22px 10px 0 0}.btn.secondary{background:transparent;border:1px solid #66725b;color:var(--ink)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.panel h2{margin-top:0}.score{font-size:54px;color:var(--accent);font-weight:800}.progress{height:10px;border-radius:20px;background:#303a30;overflow:hidden}.progress i{display:block;width:72%;height:100%;background:var(--accent)}.panel-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0;color:var(--muted)}section{padding:78px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}.section-head h2{font-size:32px;margin:0}.section-head p{color:var(--muted);max-width:580px;margin:0}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}.card:hover{transform:translateY(-4px);border-color:#70885e;box-shadow:var(--shadow)}.card h3{margin:10px 0;font-size:19px}.card p,.meta{color:var(--muted);font-size:14px}.tag{display:inline-block;padding:3px 10px;border:1px solid #52604d;border-radius:6px;color:var(--accent);font-size:11px}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--accent);color:#1b290e;border-radius:var(--radius);overflow:hidden}.stat{padding:28px;border-right:1px solid #718e46}.stat strong{display:block;font-size:32px}.stat span{font-size:13px}.feature{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:stretch}.feature-art{min-height:280px;border-radius:var(--radius);background:linear-gradient(135deg,#526b3b,#202c20 60%,#b8a2ee);padding:28px;display:flex;align-items:end}.feature-art strong{font-size:28px}.news{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:100px 1fr 30px;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.news-item h3{margin:0;font-size:19px}.news-item p{margin:7px 0;color:var(--muted);font-size:14px}.quote{font-size:18px}.quote:before{content:'“';color:var(--accent);font-size:40px;display:block;line-height:1}.safety{background:#1e291c}.safety h2{margin-top:0}.site-footer{padding:55px 0 22px;background:#0c100d}.footer-top{display:flex;justify-content:space-between;gap:50px}.footer-brand{max-width:570px}.footer-brand p{color:var(--muted);font-size:13px}.footer-links{display:flex;gap:22px;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--accent)}.footer-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#778177;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:900px){.hero-grid,.feature{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.brand-note,.trend{display:none}}
@media(max-width:600px){.container{width:min(100% - 32px,var(--max))}.brand-row{min-height:65px}.search{max-width:150px}.navigation{gap:18px}.hero{padding:55px 0}.grid-3,.grid-4{grid-template-columns:1fr}.section-head,.footer-top,.footer-bottom{display:block}.section-head p{margin-top:12px}.news-item{grid-template-columns:1fr 22px}.news-item .tag{display:inline-block}.stats{margin:0}.stat{padding:20px}.hero h1{font-size:42px}}