/* roulang page: index */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(17,16,26,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:26px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-text{font-size:17px}
        .brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.08em;line-height:1.2}
        .main-nav{display:flex;align-items:center;gap:4px}
        .main-nav a{padding:10px 12px;border-radius:9px;color:#d1ccdc;font-size:14px;transition:var(--ease);white-space:nowrap}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .main-nav a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 17px!important;background:var(--mint)!important;color:#15151b!important;font-weight:800!important;border-radius:10px!important}
        .nav-entry:hover{background:#d0ff8f!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .hero{position:relative;overflow:hidden;padding:96px 0 86px;background:linear-gradient(135deg,#161323 0%,#11101a 58%,#21162d 100%)}
        .hero:before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-170px;border:1px solid rgba(184,243,107,.18);border-radius:50%;box-shadow:0 0 0 32px rgba(184,243,107,.03),0 0 0 76px rgba(184,243,107,.025)}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:72px;position:relative}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,62px);line-height:1.18;letter-spacing:-.055em;margin:18px 0 22px;max-width:750px}
        .hero-copy{font-size:18px;color:#c4bfd0;max-width:650px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:31px 0 26px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:white;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .hero-note{font-size:13px;color:var(--muted)}
        .visual-stage{min-height:375px;position:relative;border:1px solid var(--line);border-radius:28px;background:#181523;padding:24px;box-shadow:var(--shadow);transform:rotate(2deg)}
        .visual-stage:after{content:"";position:absolute;inset:18px;border:1px dashed rgba(184,243,107,.2);border-radius:20px;pointer-events:none}
        .screen{position:absolute;left:15%;top:15%;width:70%;height:62%;border-radius:17px;background:linear-gradient(145deg,#32214f,#171620);border:1px solid rgba(255,255,255,.16);padding:22px;z-index:1}
        .screen-top{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}
        .screen-title{font-size:25px;font-weight:900;margin:26px 0 20px}
        .screen-lines{display:grid;gap:11px}
        .screen-lines span{height:9px;border-radius:10px;background:rgba(255,255,255,.13)}
        .screen-lines span:nth-child(1){width:76%;background:var(--purple)}
        .screen-lines span:nth-child(2){width:92%}
        .screen-lines span:nth-child(3){width:58%;background:var(--cyan)}
        .orbit{position:absolute;right:9%;bottom:9%;width:120px;height:120px;border:12px solid var(--mint);border-left-color:transparent;border-radius:50%;transform:rotate(-28deg);z-index:2}
        .orbit:after{content:"";position:absolute;width:24px;height:24px;right:-18px;top:4px;border-radius:50%;background:var(--purple)}
        .float-label{position:absolute;left:7%;bottom:10%;padding:12px 14px;border-radius:11px;background:var(--mint);color:#14151b;font-size:12px;font-weight:900;z-index:3}
        .quickbar{background:var(--paper);color:var(--ink);padding:18px 0;border-bottom:1px solid #ded9e8}
        .quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
        .quick-link{display:flex;align-items:center;gap:12px;padding:15px;border-radius:12px;transition:var(--ease)}
        .quick-link:hover,.quick-link:focus{background:#ebe7f2;color:var(--purple-dark);transform:translateY(-2px)}
        .quick-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:#e6dcff;color:var(--purple-dark);font-weight:900}
        .quick-link strong{display:block;font-size:14px}.quick-link span{display:block;color:#81798e;font-size:12px}
        .section{padding:92px 0}.section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
        h2{font-size:clamp(29px,4vw,43px);line-height:1.25;letter-spacing:-.04em;margin:12px 0 0}
        .section-intro{max-width:530px;color:var(--muted);margin:0}
        .section-light .section-intro{color:#736d7e}
        .overview-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
        .overview-panel{padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
        .overview-panel.large{background:linear-gradient(135deg,#241d39,#191725)}
        .overview-panel h3{font-size:25px;margin-bottom:12px}.overview-panel p{color:var(--muted)}
        .metric-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px}
        .metric b{display:block;font-size:28px;color:var(--mint);line-height:1}.metric span{color:var(--muted);font-size:13px}
        .content-matrix{display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-template-rows:auto auto;gap:16px}
        .game-card{min-height:205px;position:relative;padding:25px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);transition:var(--ease)}
        .game-card:first-child{grid-row:span 2;min-height:426px;background:linear-gradient(145deg,#35205c,#171521)}
        .game-card:hover{border-color:var(--purple);transform:translateY(-5px);box-shadow:var(--shadow)}
        .game-art{height:76px;margin:-25px -25px 20px;background:linear-gradient(120deg,rgba(158,108,255,.25),rgba(88,224,192,.12));position:relative}
        .game-card:first-child .game-art{height:210px;background:radial-gradient(circle at 65% 40%,#bd8cff 0 4%,transparent 5%),linear-gradient(135deg,#512b86,#192438)}
        .game-art:before{content:"";position:absolute;inset:20px 28px;border:1px solid rgba(255,255,255,.22);transform:skew(-18deg)}
        .tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:6px;background:rgba(184,243,107,.13);color:var(--mint);font-size:12px;font-weight:800}
        .game-card h3{font-size:21px;margin:13px 0 8px}.game-card p{color:var(--muted);font-size:14px;margin-bottom:13px}
        .text-link{color:var(--mint);font-size:14px;font-weight:800}.text-link:hover{text-decoration:underline}
        .updates{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:start}
        .featured-update{padding:34px;border-radius:var(--radius);background:var(--purple);color:#fff;min-height:280px;display:flex;flex-direction:column;justify-content:space-between}
        .featured-update .tag{background:rgba(255,255,255,.16);color:#fff}.featured-update h3{font-size:28px;line-height:1.35;margin:22px 0 10px}
        .featured-update p{color:#e8ddff;font-size:14px}.update-list{display:grid;gap:10px}
        .update-item{display:grid;grid-template-columns:95px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
        .update-item time{color:var(--muted);font-size:12px}.update-item h3{font-size:16px;margin:0 0 3px}.update-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
        .empty-state{padding:28px;border:1px dashed var(--line);border-radius:14px;color:var(--muted);text-align:center}
        .download{background:#dcd6e7;color:var(--ink);overflow:hidden}.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
        .device-wrap{min-height:320px;position:relative;background:#c9c1d8;border-radius:24px;padding:28px;overflow:hidden}
        .device{width:190px;height:290px;margin:0 auto;border:8px solid #292331;border-radius:28px;background:#191523;box-shadow:18px 20px 0 rgba(36,29,51,.14);padding:28px 16px;transform:rotate(-7deg)}
        .device div{height:10px;border-radius:6px;background:#6142a2;margin-bottom:16px}.device div:first-child{height:52px;background:linear-gradient(135deg,var(--purple),var(--cyan))}
        .download h2{color:var(--ink)}.download p{color:#686173}.step-list{display:grid;gap:15px;margin:24px 0}
        .step{display:flex;gap:14px;align-items:flex-start}.step-no{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--ink);color:var(--mint);font-weight:900;flex:none}.step strong{display:block}.step span{display:block;color:#756e80;font-size:13px}
        .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}.faq-list{display:grid;gap:10px}
        .faq-item{border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden}.faq-item summary{padding:18px 21px;cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--mint);font-size:22px;line-height:1}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 21px 19px;color:var(--muted);font-size:14px}
        .cta{padding:65px 0;background:linear-gradient(100deg,#7043d6,#3c2969)}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}.cta h2{margin:0;color:#fff}.cta p{margin:8px 0 0;color:#e5dfff}
        .site-footer{padding:54px 0 25px;background:var(--bg-deep);border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer-brand p{color:var(--muted);font-size:13px;max-width:300px}.footer-col h3{font-size:14px;margin:4px 0 14px}.footer-col a{display:block;color:var(--muted);font-size:13px;padding:4px 0}.footer-col a:hover{color:var(--mint)}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:20px;color:#777185;font-size:12px}
        :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
        @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.hero-grid{gap:35px}.content-matrix{grid-template-columns:1fr 1fr}.game-card:first-child{grid-row:auto;grid-column:span 2;min-height:300px}.game-card:first-child .game-art{height:125px}}
        @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-wrap{height:68px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:15px;right:15px;padding:10px;background:#1b1927;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:13px 15px}.hero{padding:64px 0}.hero-grid,.overview-grid,.updates,.download-grid,.faq-layout{grid-template-columns:1fr}.visual-stage{min-height:310px;margin-top:15px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick-link:last-child{grid-column:span 2}.section{padding:65px 0}.section-head{display:block}.section-intro{margin-top:14px}.content-matrix{grid-template-columns:1fr}.game-card:first-child{grid-column:auto}.update-item{grid-template-columns:72px 1fr}.update-item .text-link{display:none}.footer-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta .btn{margin-top:22px}}
        @media(max-width:520px){h1{font-size:35px}.hero-copy{font-size:16px}.hero-actions .btn{width:100%}.quick-grid{grid-template-columns:1fr}.quick-link:last-child{grid-column:auto}.visual-stage{min-height:260px}.screen{left:10%;width:80%;padding:16px}.screen-title{font-size:20px;margin:18px 0}.orbit{width:80px;height:80px;border-width:8px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: index */
:root {
            --bg: #111019;
            --bg-soft: #191622;
            --panel: #211d2d;
            --panel-light: #f4f1f7;
            --text: #f8f6fb;
            --muted: #aaa4b8;
            --ink: #25212d;
            --purple: #a96cff;
            --purple-deep: #7444c4;
            --mint: #9ef2cb;
            --lime: #d8f36c;
            --line: rgba(255,255,255,.12);
            --line-dark: rgba(37,33,45,.12);
            --radius: 18px;
            --shadow: 0 20px 60px rgba(0,0,0,.24);
            --container: 1200px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: "Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        body:before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .16;
            background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
            background-size: 46px 46px;
            mask-image: linear-gradient(to bottom, #000, transparent 72%);
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 1; }
        .site-header {
            position: sticky; top: 0; z-index: 20;
            background: rgba(17,16,25,.88);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
        }
        .nav-wrap { height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
        .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 230px; }
        .brand-mark {
            width: 38px; height: 38px; border-radius: 11px;
            display: grid; place-items: center;
            color: #18131f; background: var(--lime);
            font-size: 19px; font-weight: 900;
            box-shadow: 5px 5px 0 var(--purple);
        }
        .brand-name { font-size: 18px; font-weight: 800; letter-spacing: -.5px; white-space: nowrap; }
        .brand-name span { display: block; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: 1px; }
        .nav-links { display: flex; align-items: center; gap: 4px; }
        .nav-links a {
            padding: 9px 12px; border-radius: 9px; color: var(--muted);
            font-size: 14px; transition: .25s ease;
        }
        .nav-links a:hover, .nav-links a:focus, .nav-links a.active { color: var(--text); background: rgba(169,108,255,.15); outline: none; }
        .nav-links a.active { box-shadow: inset 0 -2px var(--purple); }
        .nav-action, .btn-primary {
            display: inline-flex; justify-content: center; align-items: center; gap: 8px;
            min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 11px;
            background: var(--purple); color: #fff; font-weight: 700; transition: .25s ease;
        }
        .nav-action:hover, .btn-primary:hover { background: #bb8bff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(169,108,255,.25); }
        .btn-secondary {
            display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px;
            border: 1px solid var(--line); border-radius: 11px; color: var(--text); transition: .25s ease;
        }
        .btn-secondary:hover { border-color: var(--mint); color: var(--mint); transform: translateY(-2px); }
        .menu-toggle { display: none; background: none; color: var(--text); border: 1px solid var(--line); border-radius: 9px; padding: 7px 11px; }
        .hero { padding: 100px 0 78px; position: relative; }
        .hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 70px; }
        .eyebrow, .section-kicker {
            color: var(--mint); text-transform: uppercase; letter-spacing: 2px; font-size: 12px; font-weight: 800;
        }
        h1 { margin: 18px 0 22px; max-width: 700px; font-size: clamp(39px,5.2vw,66px); line-height: 1.13; letter-spacing: -2.5px; }
        .hero-copy { max-width: 620px; color: var(--muted); font-size: 18px; line-height: 1.9; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
        .hero-note { display: flex; gap: 22px; margin-top: 33px; color: #d4cfdb; font-size: 13px; }
        .hero-note strong { display: block; color: var(--lime); font-size: 21px; line-height: 1.2; }
        .hero-art { min-height: 410px; position: relative; }
        .orb { position: absolute; width: 330px; height: 330px; right: 38px; top: 12px; border-radius: 50%; background: radial-gradient(circle at 36% 30%, #d9bfff, #9d5cf4 42%, #3b225e 74%); filter: blur(.2px); box-shadow: 0 0 90px rgba(169,108,255,.24); }
        .orbit { position: absolute; width: 470px; height: 170px; right: -25px; top: 100px; border: 1px solid rgba(158,242,203,.5); border-radius: 50%; transform: rotate(-22deg); }
        .orbit:after { content: ""; position: absolute; width: 13px; height: 13px; right: 59px; top: 18px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 22px var(--lime); }
        .interface-card {
            position: absolute; left: 8px; bottom: 12px; width: 305px; padding: 20px;
            border: 1px solid rgba(255,255,255,.23); border-radius: 16px; background: rgba(27,22,39,.9);
            box-shadow: var(--shadow); transform: rotate(-4deg);
        }
        .interface-head { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
        .interface-title { margin: 28px 0 16px; font-size: 24px; font-weight: 800; }
        .signal { height: 80px; display: flex; align-items: end; gap: 6px; border-bottom: 1px solid var(--line); }
        .signal i { flex: 1; border-radius: 5px 5px 0 0; background: var(--purple); }
        .signal i:nth-child(1){height:32%}.signal i:nth-child(2){height:58%}.signal i:nth-child(3){height:40%}.signal i:nth-child(4){height:78%}.signal i:nth-child(5){height:64%}.signal i:nth-child(6){height:92%}.signal i:nth-child(7){height:72%}
        .interface-foot { display: flex; justify-content: space-between; margin-top: 15px; font-size: 12px; color: var(--mint); }
        .floating-chip { position: absolute; right: 5px; bottom: 54px; padding: 12px 15px; border-radius: 13px; background: var(--lime); color: #28231b; font-weight: 800; transform: rotate(5deg); box-shadow: 10px 12px 0 rgba(0,0,0,.2); }
        .quickbar { padding: 0 0 88px; }
        .quick-inner { display: grid; grid-template-columns: 1.2fr repeat(4, 1fr); border: 1px solid var(--line); border-radius: 15px; overflow: hidden; background: var(--bg-soft); }
        .quick-intro, .quick-link { padding: 22px 20px; border-right: 1px solid var(--line); }
        .quick-intro { color: var(--muted); font-size: 13px; }
        .quick-intro strong { display: block; color: var(--text); font-size: 17px; }
        .quick-link { display: flex; align-items: center; gap: 11px; color: #ddd8e5; transition: .25s; }
        .quick-link:hover { background: var(--purple); color: #fff; }
        .quick-icon { color: var(--lime); font-weight: 900; font-size: 19px; }
        section { padding: 88px 0; }
        .section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 34px; }
        h2 { margin-top: 9px; font-size: clamp(30px,4vw,45px); line-height: 1.2; letter-spacing: -1.5px; }
        .section-desc { max-width: 460px; color: var(--muted); }
        .overview { background: var(--panel-light); color: var(--ink); }
        .overview .section-kicker { color: var(--purple-deep); }
        .overview-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 65px; align-items: center; }
        .overview-text { font-size: 18px; line-height: 1.95; color: #625b6d; }
        .metric-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
        .metric { padding: 22px; border: 1px solid var(--line-dark); border-radius: 14px; background: rgba(255,255,255,.55); }
        .metric b { display: block; color: var(--purple-deep); font-size: 27px; }
        .metric span { color: #716b79; font-size: 13px; }
        .content-matrix { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
        .content-card { min-height: 210px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); position: relative; overflow: hidden; transition: .25s; }
        .content-card:hover { transform: translateY(-5px); border-color: var(--purple); box-shadow: var(--shadow); }
        .content-card.featured { grid-row: span 2; min-height: 436px; background: linear-gradient(145deg, #30213e, #211d2d 65%); }
        .content-card:after { content: ""; position: absolute; width: 150px; height: 150px; right: -44px; top: -45px; border-radius: 50%; border: 25px solid rgba(169,108,255,.12); }
        .tag { display: inline-flex; padding: 4px 9px; border-radius: 5px; color: #20261e; background: var(--mint); font-size: 12px; font-weight: 800; }
        .content-card h3 { margin: 22px 0 10px; font-size: 25px; }
        .content-card p { max-width: 510px; color: var(--muted); }
        .text-link { display: inline-flex; margin-top: 24px; color: var(--lime); font-size: 14px; font-weight: 700; }
        .text-link:hover { color: var(--mint); }
        .updates { background: #17141f; }
        .updates-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 45px; }
        .update-feature { padding: 32px; border-radius: var(--radius); background: var(--purple-deep); min-height: 330px; }
        .update-feature h3 { margin: 20px 0 12px; font-size: 30px; line-height: 1.35; }
        .update-feature p { color: #eee3ff; }
        .update-list { border-top: 1px solid var(--line); }
        .update-item { display: grid; grid-template-columns: 90px 1fr auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); transition: .2s; }
        .update-item:hover { padding-left: 8px; }
        .update-time { color: var(--mint); font-size: 13px; }
        .update-title { font-weight: 700; }
        .update-summary { color: var(--muted); font-size: 13px; display: block; margin-top: 3px; }
        .update-arrow { color: var(--lime); font-size: 20px; }
        .empty-state { padding: 35px 0; color: var(--muted); }
        .download { background: var(--panel-light); color: var(--ink); }
        .download-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; }
        .download .section-kicker { color: var(--purple-deep); }
        .download p { color: #625b6d; font-size: 17px; }
        .device-stage { min-height: 330px; position: relative; background: #e7e0ee; border-radius: 20px; overflow: hidden; }
        .device-stage:before { content: "PG"; position: absolute; left: 18%; top: 16%; font-size: 180px; font-weight: 900; color: rgba(169,108,255,.12); }
        .device { position: absolute; right: 17%; bottom: -40px; width: 180px; height: 310px; padding: 10px; border-radius: 25px; background: #292334; box-shadow: 16px 18px 0 rgba(36,28,47,.14); transform: rotate(8deg); }
        .device-screen { height: 100%; border-radius: 17px; padding: 20px 13px; background: linear-gradient(145deg,#bc89ff,#3b2764); color: #fff; }
        .device-screen b { font-size: 28px; display: block; margin-top: 35px; }
        .download-list { display: grid; gap: 13px; margin: 25px 0; }
        .download-list li { list-style: none; display: flex; gap: 12px; align-items: center; color: #534d5b; }
        .download-list li:before { content: "✓"; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: #1b3329; background: var(--mint); font-weight: 900; }
        .faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
        .faq-list { border-top: 1px solid var(--line); }
        details { border-bottom: 1px solid var(--line); }
        summary { list-style: none; cursor: pointer; padding: 22px 4px; font-weight: 700; display: flex; justify-content: space-between; gap: 20px; }
        summary::-webkit-details-marker { display:none; }
        summary:after { content: "+"; color: var(--lime); font-size: 22px; font-weight: 400; }
        details[open] summary:after { content: "−"; }
        details p { padding: 0 35px 22px 4px; color: var(--muted); }
        .cta { padding: 34px 0 95px; }
        .cta-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 42px 48px; border-radius: var(--radius); background: linear-gradient(100deg,#6337a5,#a96cff); }
        .cta-box h2 { font-size: 34px; margin: 0 0 8px; }
        .cta-box p { color: #eee2ff; }
        .cta-box .btn-secondary { border-color: rgba(255,255,255,.45); }
        .site-footer { padding: 58px 0 25px; border-top: 1px solid var(--line); background: #0c0b12; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 45px; padding-bottom: 45px; }
        .footer-title { margin-bottom: 16px; color: #fff; font-weight: 800; }
        .footer-links { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
        .footer-links a:hover { color: var(--lime); }
        .footer-brand p { max-width: 280px; margin-top: 17px; color: var(--muted); font-size: 13px; }
        .copyright { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid var(--line); color: #777181; font-size: 12px; }
        @media (max-width: 1100px) {
            .nav-links { display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 15px 24px 22px; background: #17141f; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
            .nav-links.open { display: flex; }
            .nav-links a { flex: 1 1 30%; min-height: 44px; }
            .menu-toggle { display: block; }
            .nav-action { display: none; }
            .hero-grid, .overview-grid, .updates-layout, .download-grid, .faq-grid { gap: 38px; }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 32px, var(--container)); }
            .nav-wrap { height: 68px; }
            .brand { min-width: 0; }
            .brand-name { font-size: 15px; }
            .brand-name span { display: none; }
            .hero { padding: 64px 0 55px; }
            .hero-grid, .overview-grid, .updates-layout, .download-grid, .faq-grid { grid-template-columns: 1fr; }
            .hero-art { min-height: 340px; margin-top: 15px; }
            .orb { width: 270px; height: 270px; right: 8%; }
            .orbit { width: 380px; right: -10%; }
            .interface-card { width: 260px; }
            section { padding: 60px 0; }
            .quick-inner { grid-template-columns: repeat(2,1fr); }
            .quick-intro { grid-column: span 2; }
            .quick-link { min-height: 65px; }
            .content-matrix { grid-template-columns: 1fr; }
            .content-card.featured { grid-row: auto; min-height: 300px; }
            .section-head { display: block; }
            .section-desc { margin-top: 15px; }
            .device-stage { min-height: 280px; }
            .cta-box { display: block; padding: 30px 25px; }
            .cta-box .hero-actions { margin-top: 22px; }
            .footer-grid { grid-template-columns: repeat(2,1fr); gap: 30px; }
            .footer-brand { grid-column: span 2; }
        }
        @media (max-width: 520px) {
            h1 { font-size: 36px; letter-spacing: -1.5px; }
            .hero-copy { font-size: 16px; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
            .hero-note { gap: 14px; }
            .quick-inner { grid-template-columns: 1fr; }
            .quick-intro { grid-column: auto; }
            .quick-intro, .quick-link { border-right: 0; border-bottom: 1px solid var(--line); }
            .update-item { grid-template-columns: 70px 1fr; gap: 9px; }
            .update-arrow { display: none; }
            .update-summary { display: none; }
            .metric-list { grid-template-columns: 1fr 1fr; }
            .metric { padding: 15px; }
            .metric b { font-size: 22px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .copyright { display: block; }
            .copyright span { display: block; margin-top: 6px; }
        }

/* roulang page: article */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
            --container:1180px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:30;background:rgba(17,16,26,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-name{font-size:16px;line-height:1.2}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.04em;margin-top:4px}
        .nav-links{display:flex;align-items:center;gap:3px}
        .nav-links a{padding:10px 11px;border-radius:9px;color:#d1ccdc;font-size:14px;transition:var(--ease);white-space:nowrap}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 17px!important;background:var(--mint)!important;color:#15151b!important;font-weight:800!important}
        .nav-entry:hover{background:#d0ff8f!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .article-hero{padding:70px 0 58px;background:linear-gradient(135deg,#161323,#11101a 62%,#21162d);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
        .article-hero:after{content:"";position:absolute;width:420px;height:420px;right:-160px;top:-230px;border:1px solid rgba(184,243,107,.2);border-radius:50%;box-shadow:0 0 0 28px rgba(184,243,107,.035),0 0 0 65px rgba(184,243,107,.025)}
        .breadcrumbs{position:relative;z-index:1;display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:28px}
        .breadcrumbs a:hover{color:var(--mint)}
        .crumb-sep{color:var(--purple)}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1{font-size:clamp(32px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin:16px 0 20px;max-width:850px}
        .article-lead{max-width:790px;color:#c4bfd0;font-size:18px;margin:0}
        .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:26px}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:6px;background:rgba(184,243,107,.13);color:var(--mint);font-size:12px;font-weight:800}
        .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:54px;align-items:start;padding:78px 0 92px}
        .article-content{min-width:0;background:var(--paper);color:var(--ink);border-radius:22px;padding:clamp(28px,5vw,62px);box-shadow:var(--shadow)}
        .article-content>*:first-child{margin-top:0}
        .article-content h2{font-size:30px;line-height:1.3;margin:42px 0 17px;color:var(--ink)}
        .article-content h3{font-size:22px;line-height:1.4;margin:31px 0 12px;color:var(--ink)}
        .article-content p{margin:0 0 20px;color:#4d4759}
        .article-content ul,.article-content ol{padding-left:25px;margin:0 0 24px;color:#4d4759}
        .article-content li{margin:8px 0}
        .article-content a{color:var(--purple-dark);font-weight:700;text-decoration:underline;text-underline-offset:3px}
        .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--purple);background:#ebe5f2;border-radius:0 12px 12px 0;color:#4a4058}
        .article-content img{width:100%;height:auto;border-radius:14px;margin:28px 0}
        .article-content table{width:100%;border-collapse:collapse;margin:25px 0;font-size:15px}
        .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line-dark);text-align:left}
        .article-content th{background:#e9e2f1;color:var(--ink)}
        .reading-aside{position:sticky;top:105px}
        .aside-card{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
        .aside-title{font-weight:800;font-size:17px;margin-bottom:16px}
        .aside-list{list-style:none;padding:0;margin:0}
        .aside-list li{border-top:1px solid var(--line);padding:11px 0}
        .aside-list a{color:#d7d1e1;font-size:14px}
        .aside-list a:hover{color:var(--mint)}
        .aside-note{margin-top:16px;padding:15px;border-radius:12px;background:rgba(158,108,255,.12);color:#c9c1d7;font-size:13px}
        .article-bottom{border-top:1px solid var(--line-dark);margin-top:42px;padding-top:27px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:#fff;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;color:#fff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .not-found{padding:30px;border:1px dashed #c9bfd5;border-radius:14px;background:#eeeaf2;color:#5d5668;text-align:center}
        .not-found p{margin:0 0 18px}
        .cta{padding:70px 0;background:var(--panel-soft)}
        .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:35px 40px;border:1px solid rgba(184,243,107,.22);border-radius:22px;background:linear-gradient(110deg,#28213d,#1d1b29)}
        .cta h2{font-size:30px;line-height:1.3;margin:0 0 8px}
        .cta p{color:var(--muted);margin:0}
        .cta-actions{display:flex;gap:11px;flex-wrap:wrap}
        .site-footer{background:var(--bg-deep);padding:58px 0 24px;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
        .footer-brand p{color:var(--muted);font-size:13px;max-width:290px;margin:18px 0 0}
        .footer-title{font-weight:800;margin-bottom:14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:var(--muted);font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:var(--mint);padding-left:3px}
        .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:42px;padding-top:20px;color:#777184;font-size:12px}
        :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
        @media(max-width:1100px){
            .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
            .nav-entry{display:none!important}
            .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:28px}
        }
        @media(max-width:820px){
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:20px;right:20px;top:72px;padding:10px;background:#1a1725;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:13px 14px}
            .article-layout{display:block;padding-top:48px}
            .reading-aside{position:static;margin-top:26px}
            .cta-box{display:block;padding:28px}
            .cta-actions{margin-top:22px}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            .container{width:min(100% - 28px,var(--container))}
            .nav-wrap{min-height:70px}
            .brand-name{font-size:14px}
            .article-hero{padding:48px 0 42px}
            h1{font-size:34px}
            .article-lead{font-size:16px}
            .article-content{padding:25px 20px;border-radius:16px}
            .article-content h2{font-size:25px}
            .article-content h3{font-size:20px}
            .article-bottom,.cta-actions{display:grid;grid-template-columns:1fr}
            .article-bottom .btn,.cta-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr;gap:25px}
            .copyright{display:block}
            .copyright span{display:block;margin-top:8px}
        }

/* roulang page: category1 */
:root{
            --bg:#11101a;--bg-deep:#0b0a11;--panel:#1b1927;--panel-soft:#242133;
            --paper:#f5f3f8;--ink:#1d1a28;--white:#fbfaff;--muted:#aaa5bb;
            --line:rgba(255,255,255,.12);--line-dark:#e3dfea;--purple:#9e6cff;
            --purple-dark:#7043d6;--mint:#b8f36b;--cyan:#58e0c0;--danger:#ff8a9b;
            --radius:18px;--shadow:0 18px 48px rgba(4,3,12,.28);--ease:all .28s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        a:focus,button:focus,input:focus{outline:3px solid rgba(184,243,107,.55);outline-offset:3px}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(17,16,26,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-name{font-size:16px;line-height:1.2}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.02em;margin-top:4px}
        .nav-links{display:flex;align-items:center;gap:4px}
        .nav-links a{padding:10px 11px;border-radius:9px;color:#d1ccdc;font-size:14px;transition:var(--ease);white-space:nowrap}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 17px!important;background:var(--mint)!important;color:#15151b!important;font-weight:800!important;border-radius:10px!important}
        .nav-entry:hover{background:#d0ff8f!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .page-hero{padding:78px 0 74px;background:linear-gradient(135deg,#171326,#11101a 58%,#251535);position:relative;overflow:hidden}
        .page-hero:after{content:"";position:absolute;width:460px;height:460px;right:-130px;top:-180px;border:1px solid rgba(184,243,107,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(184,243,107,.03),0 0 0 75px rgba(184,243,107,.025)}
        .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1,h2,h3{line-height:1.25;letter-spacing:-.035em}
        h1{font-size:clamp(38px,5vw,62px);margin:18px 0 20px}
        h2{font-size:clamp(28px,3.2vw,40px);margin:12px 0}
        h3{font-size:21px;margin:0 0 10px}
        .hero-copy{font-size:18px;color:#c4bfd0;max-width:650px;margin:0}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 18px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:#fff;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .hero-note{font-size:13px;color:var(--muted)}
        .guide-visual{min-height:330px;border:1px solid var(--line);border-radius:26px;background:#181523;padding:25px;box-shadow:var(--shadow);transform:rotate(2deg)}
        .visual-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px}
        .visual-dots{display:flex;gap:7px}.visual-dots i{width:8px;height:8px;border-radius:50%;background:var(--mint)}
        .visual-code{font-size:12px;color:var(--muted)}
        .route-line{display:flex;align-items:center;gap:12px;margin:24px 0;padding:16px;border:1px solid rgba(184,243,107,.28);border-radius:13px;background:rgba(184,243,107,.06)}
        .route-number{width:31px;height:31px;display:grid;place-items:center;background:var(--mint);color:#111;font-weight:900;border-radius:9px}
        .route-line strong{font-size:15px}.route-line small{display:block;color:var(--muted);font-size:12px}
        .visual-menu{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
        .visual-menu span{padding:14px;border-radius:10px;background:var(--panel-soft);color:#d9d3e5;font-size:13px}
        .section{padding:88px 0}.section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
        .section-intro{max-width:560px;color:var(--muted);margin:0}
        .section-light .section-intro{color:#736d7e}
        .path-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
        .panel{padding:31px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 10px 28px rgba(0,0,0,.12)}
        .section-light .panel{background:#fff;border-color:var(--line-dark);box-shadow:0 12px 32px rgba(43,29,59,.08)}
        .panel p{color:var(--muted);margin:0 0 18px}.section-light .panel p{color:#706a78}
        .tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:6px;background:rgba(184,243,107,.13);color:var(--mint);font-size:12px;font-weight:800}
        .section-light .tag{color:#557d24;background:#e9f8ca}
        .index-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
        .index-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
        .section-light .index-list li{border-color:var(--line-dark)}
        .index-list li:last-child{border-bottom:0}
        .index-icon{flex:0 0 31px;height:31px;display:grid;place-items:center;border-radius:9px;background:rgba(158,108,255,.18);color:var(--purple);font-weight:900}
        .index-list strong{display:block}.index-list span{display:block;color:var(--muted);font-size:14px}
        .feature-band{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .feature{padding:24px;border-top:3px solid var(--purple);background:#fff;border-radius:14px;box-shadow:0 12px 30px rgba(43,29,59,.08)}
        .feature:nth-child(2){border-color:var(--cyan)}.feature:nth-child(3){border-color:var(--mint)}
        .feature p{color:#706a78;font-size:14px;margin:0}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .step{position:relative;padding:24px 20px;border:1px solid var(--line-dark);border-radius:15px;background:#fff}
        .step b{display:block;color:var(--purple-dark);font-size:13px;margin-bottom:15px}.step p{font-size:14px;color:#706a78;margin:0}
        .faq-list{max-width:900px;margin:auto;display:grid;gap:12px}
        details{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:0 22px;transition:var(--ease)}
        details:hover{border-color:var(--purple)}summary{cursor:pointer;padding:19px 0;font-weight:800;list-style:none}
        summary::-webkit-details-marker{display:none}summary:after{content:"+";float:right;color:var(--mint);font-size:23px}
        details[open] summary:after{content:"−"}details p{color:var(--muted);margin:0 0 20px;font-size:15px}
        .cta{padding:52px 0;background:linear-gradient(100deg,#35205c,#19152a);text-align:center}
        .cta p{max-width:650px;color:#c6bfd1;margin:12px auto 25px}
        .site-footer{padding:55px 0 22px;background:var(--bg-deep);border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}
        .footer-brand p{color:var(--muted);font-size:14px;max-width:300px;margin-top:18px}
        .footer-title{font-weight:800;margin-bottom:14px}.footer-links{display:grid;gap:8px}
        .footer-links a{color:var(--muted);font-size:14px;transition:var(--ease)}.footer-links a:hover{color:var(--mint);padding-left:4px}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:18px;color:#777184;font-size:12px}
        @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:9px 7px;font-size:13px}.hero-grid{gap:35px}.steps{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.nav-wrap{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;padding:10px;background:#1b1927;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:13px 15px}.hero-grid,.path-grid{grid-template-columns:1fr}.page-hero{padding:62px 0}.guide-visual{transform:none}.section{padding:64px 0}.feature-band{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column;gap:6px}}
        @media(max-width:520px){.container{width:min(100% - 28px,var(--container))}.brand-name{font-size:14px}.brand-name span{font-size:9px}.hero-actions .btn{width:100%}h1{font-size:36px}.panel{padding:23px}.steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.section-head{display:block}.section-head .section-intro{margin-top:14px}}

/* roulang page: category2 */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(17,16,26,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-name{font-size:16px;line-height:1.2}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.04em;margin-top:4px}
        .nav-links{display:flex;align-items:center;gap:4px}
        .nav-links a{padding:10px 11px;border-radius:9px;color:#d1ccdc;font-size:14px;transition:var(--ease);white-space:nowrap}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 17px;border:0;border-radius:10px;background:var(--mint);color:#15151b;font-weight:800;transition:var(--ease);white-space:nowrap}
        .nav-entry:hover,.nav-entry:focus{background:#d0ff8f;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .page-hero{position:relative;overflow:hidden;padding:76px 0 82px;background:linear-gradient(135deg,#19142a 0%,#11101a 62%,#281831 100%)}
        .page-hero:before{content:"";position:absolute;right:-110px;top:-180px;width:470px;height:470px;border:1px solid rgba(184,243,107,.2);border-radius:50%;box-shadow:0 0 0 34px rgba(184,243,107,.03),0 0 0 78px rgba(184,243,107,.025)}
        .hero-layout{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1{font-size:clamp(38px,5vw,62px);line-height:1.15;letter-spacing:-.055em;margin:18px 0 22px;font-weight:900}
        .hero-copy{max-width:650px;color:#c4bfd0;font-size:18px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:#fff;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .news-board{min-height:330px;padding:22px;border:1px solid var(--line);border-radius:24px;background:#181523;box-shadow:var(--shadow);transform:rotate(1.5deg)}
        .board-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line);padding-bottom:16px}
        .signal{display:inline-flex;gap:5px;align-items:center;color:var(--mint);font-weight:800}
        .signal:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px var(--mint)}
        .board-title{font-size:24px;font-weight:900;margin:24px 0 20px}
        .board-item{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
        .board-item:last-child{border-bottom:0}
        .board-index{color:var(--purple);font-weight:900}
        .board-item strong{display:block;font-size:14px}
        .board-item small{color:var(--muted);font-size:12px}
        .section{padding:88px 0}
        .section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
        .section-head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 0;font-weight:900}
        .section-intro{max-width:540px;color:#736d7e;margin:0}
        .topic-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
        .topic-filter{border:1px solid var(--line-dark);background:#fff;color:#655d70;padding:9px 16px;border-radius:9px;font-size:14px;transition:var(--ease)}
        .topic-filter:hover,.topic-filter.active,.topic-filter:focus{background:var(--purple);border-color:var(--purple);color:#fff}
        .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
        .featured-news{min-height:350px;padding:34px;border-radius:var(--radius);background:linear-gradient(145deg,#322151,#1d1930);color:var(--white);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end;box-shadow:var(--shadow)}
        .featured-news:before{content:"PG";position:absolute;right:26px;top:18px;color:rgba(184,243,107,.18);font-size:140px;font-weight:900;line-height:1}
        .featured-news:after{content:"";position:absolute;right:-50px;top:70px;width:260px;height:260px;border:1px solid rgba(88,224,192,.25);border-radius:50%}
        .featured-news>*{position:relative;z-index:1}
        .tag{display:inline-flex;align-items:center;width:max-content;padding:5px 9px;border-radius:6px;background:rgba(184,243,107,.13);color:var(--mint);font-size:12px;font-weight:800}
        .featured-news h3{font-size:29px;line-height:1.3;margin:16px 0 10px;max-width:580px}
        .featured-news p{color:#c7bfd4;max-width:570px;margin-bottom:20px}
        .news-list{display:flex;flex-direction:column;gap:12px}
        .news-row{padding:21px 23px;border:1px solid var(--line-dark);border-radius:14px;background:#fff;transition:var(--ease)}
        .news-row:hover{border-color:var(--purple);transform:translateX(5px);box-shadow:0 10px 25px rgba(50,35,75,.1)}
        .news-meta{display:flex;justify-content:space-between;gap:14px;color:#8b8297;font-size:12px}
        .news-row h3{font-size:18px;line-height:1.4;margin:8px 0 6px;color:var(--ink)}
        .news-row p{font-size:14px;color:#756d80;margin:0}
        .timeline-wrap{background:var(--bg-deep);padding:88px 0}
        .timeline{position:relative;max-width:900px;margin:38px auto 0}
        .timeline:before{content:"";position:absolute;left:13px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--purple),var(--mint))}
        .timeline-item{position:relative;padding:0 0 28px 52px}
        .timeline-item:before{content:"";position:absolute;left:6px;top:9px;width:15px;height:15px;border:4px solid var(--bg-deep);border-radius:50%;background:var(--mint);box-shadow:0 0 0 1px var(--mint)}
        .timeline-card{padding:22px 25px;border:1px solid var(--line);border-radius:14px;background:var(--panel);transition:var(--ease)}
        .timeline-card:hover{border-color:var(--purple);transform:translateY(-3px)}
        .timeline-date{color:var(--mint);font-size:13px;font-weight:800}
        .timeline-card h3{font-size:20px;margin:7px 0 7px}
        .timeline-card p{color:var(--muted);font-size:14px;margin:0}
        .index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .index-card{padding:27px;border:1px solid var(--line-dark);border-radius:var(--radius);background:#fff;transition:var(--ease)}
        .index-card:hover{border-color:var(--purple);transform:translateY(-5px);box-shadow:var(--shadow)}
        .index-card .number{color:var(--purple);font-size:14px;font-weight:900}
        .index-card h3{font-size:21px;color:var(--ink);margin:13px 0 8px}
        .index-card p{color:#756d80;font-size:14px;margin-bottom:17px}
        .text-link{color:var(--purple-dark);font-size:14px;font-weight:800}
        .text-link:hover{color:var(--purple);text-decoration:underline}
        .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
        .faq-list{display:flex;flex-direction:column;gap:10px}
        .faq-list details{border:1px solid var(--line-dark);border-radius:12px;background:#fff;padding:0 20px}
        .faq-list summary{cursor:pointer;list-style:none;padding:18px 26px 18px 0;color:var(--ink);font-weight:800;position:relative}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"+";position:absolute;right:0;color:var(--purple);font-size:23px}
        .faq-list details[open] summary:after{content:"−"}
        .faq-answer{padding:0 0 18px;color:#756d80;font-size:14px}
        .cta{padding:54px 60px;border-radius:24px;background:linear-gradient(115deg,#39205f,#201a31);display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
        .cta h2{font-size:32px;margin:0 0 10px}
        .cta p{color:#c8bfd2;margin:0;max-width:650px}
        .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
        .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:54px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}
        .footer-brand p{color:var(--muted);font-size:14px;max-width:300px;margin:18px 0 0}
        .footer-title{font-size:14px;font-weight:900;color:var(--white);margin-bottom:14px}
        .footer-links{display:flex;flex-direction:column;gap:8px}
        .footer-links a{color:var(--muted);font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:var(--mint);padding-left:4px}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:18px;color:#777184;font-size:12px}
        @media(max-width:1100px){
            .nav-links{gap:0}
            .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
            .nav-entry{display:none}
            .hero-layout{gap:40px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 30px,var(--container))}
            .nav-wrap{height:68px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:15px;right:15px;top:76px;padding:10px;background:#1a1725;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:13px 15px;font-size:15px}
            .hero-layout,.news-layout,.faq-grid{grid-template-columns:1fr}
            .page-hero{padding:60px 0}
            .news-board{transform:none;margin-top:15px}
            .section{padding:64px 0}
            .section-head{display:block}
            .section-intro{margin-top:14px}
            .index-grid{grid-template-columns:1fr 1fr}
            .cta{padding:36px 25px;display:block}
            .cta-actions{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr}
            .footer-brand{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-top:6px}
        }
        @media(max-width:520px){
            h1{font-size:38px}
            .hero-copy{font-size:16px}
            .hero-actions .btn{width:100%}
            .index-grid{grid-template-columns:1fr}
            .featured-news{padding:25px;min-height:380px}
            .featured-news h3{font-size:24px}
            .timeline-item{padding-left:38px}
            .timeline:before{left:9px}
            .timeline-item:before{left:2px}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
            .cta h2{font-size:27px}
        }

/* roulang page: category3 */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        a:focus,button:focus,input:focus{outline:3px solid rgba(184,243,107,.65);outline-offset:3px}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(17,16,26,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45);flex:0 0 auto}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-text{font-size:17px}
        .brand-text small{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.05em;line-height:1.2}
        .nav-links{display:flex;align-items:center;gap:4px}
        .nav-links a{padding:10px 11px;border-radius:9px;color:#d1ccdc;font-size:14px;transition:var(--ease);white-space:nowrap}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 17px!important;background:var(--mint)!important;color:#15151b!important;font-weight:800!important;border-radius:10px!important}
        .nav-entry:hover{background:#d0ff8f!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .hero-inner{position:relative;overflow:hidden;padding:83px 0 74px;background:linear-gradient(135deg,#171326 0%,#11101a 62%,#261833 100%)}
        .hero-inner:before{content:"";position:absolute;width:470px;height:470px;right:-160px;top:-220px;border:1px solid rgba(184,243,107,.2);border-radius:50%;box-shadow:0 0 0 32px rgba(184,243,107,.03),0 0 0 74px rgba(184,243,107,.025)}
        .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:27px}
        .breadcrumb a:hover{color:var(--mint)}
        .breadcrumb strong{color:#ddd7e8;font-weight:600}
        .hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:68px;align-items:center;position:relative}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,60px);line-height:1.14;letter-spacing:-.055em;margin:17px 0 20px;font-weight:900}
        h2{font-size:clamp(28px,3.3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:13px 0 12px;font-weight:900}
        h3{font-size:21px;line-height:1.4;margin:0 0 9px}
        .hero-copy{font-size:18px;color:#c4bfd0;max-width:635px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:29px 0 22px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:white;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .hero-note{font-size:13px;color:var(--muted)}
        .guide-visual{min-height:356px;padding:25px;border:1px solid var(--line);border-radius:26px;background:#191622;box-shadow:var(--shadow);position:relative}
        .guide-visual:after{content:"";position:absolute;inset:17px;border:1px dashed rgba(184,243,107,.22);border-radius:18px;pointer-events:none}
        .visual-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;position:relative;z-index:1}
        .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--mint)}
        .live-dot:before{content:"";width:8px;height:8px;background:var(--mint);border-radius:50%;box-shadow:0 0 13px var(--mint)}
        .visual-title{font-size:28px;font-weight:900;margin:45px 0 22px;position:relative;z-index:1}
        .visual-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative;z-index:1}
        .visual-step{padding:15px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04)}
        .visual-step b{display:block;color:var(--mint);font-size:23px;line-height:1;margin-bottom:9px}
        .visual-step span{font-size:12px;color:#c7c1d3}
        .section{padding:86px 0}
        .section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
        .section-intro{max-width:540px;color:var(--muted);margin:0}
        .section-light .section-intro{color:#736d7e}
        .quick-bar{margin-top:-1px;padding:17px 0;background:#191722;border-bottom:1px solid var(--line)}
        .quick-list{display:flex;gap:10px;overflow:auto}
        .quick-list a{display:flex;align-items:center;gap:9px;padding:11px 17px;border:1px solid var(--line);border-radius:10px;color:#d9d3e2;white-space:nowrap;transition:var(--ease)}
        .quick-list a:hover,.quick-list a.active{border-color:var(--purple);background:rgba(158,108,255,.13);color:var(--white)}
        .quick-icon{width:25px;height:25px;display:grid;place-items:center;border-radius:7px;background:rgba(184,243,107,.14);color:var(--mint);font-size:12px;font-weight:900}
        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
        .step-card{padding:27px 23px;border:1px solid var(--line-dark);border-radius:var(--radius);background:#fff;transition:var(--ease)}
        .step-card:hover{transform:translateY(-5px);border-color:var(--purple);box-shadow:var(--shadow)}
        .step-number{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--purple);color:#fff;font-weight:900;margin-bottom:25px}
        .step-card p{font-size:14px;color:#746e7e;margin:0}
        .guide-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px}
        .guide-panel{padding:31px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
        .guide-panel h3{color:var(--white)}
        .guide-panel p{color:var(--muted);font-size:15px}
        .feature-list{list-style:none;margin:21px 0 0;padding:0;display:grid;gap:13px}
        .feature-list li{display:flex;gap:12px;align-items:flex-start;color:#d9d4e1;font-size:14px}
        .feature-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 21px;width:21px;height:21px;border-radius:6px;background:rgba(184,243,107,.14);color:var(--mint);font-weight:900}
        .content-map{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
        .map-item{padding:20px;border-radius:14px;background:var(--panel-soft);border:1px solid transparent;transition:var(--ease)}
        .map-item:hover{border-color:var(--purple);background:#2b2540}
        .map-item .tag{margin-bottom:12px}
        .map-item h3{font-size:18px}
        .map-item p{font-size:13px;margin:0;color:var(--muted)}
        .notice-band{padding:30px 34px;border-radius:20px;background:linear-gradient(100deg,#2c1d4c,#211d2d);border:1px solid rgba(158,108,255,.4);display:flex;justify-content:space-between;gap:25px;align-items:center}
        .notice-band p{color:#c7c0d2;margin:0;max-width:690px}
        .faq-list{max-width:900px;margin:0 auto;display:grid;gap:11px}
        .faq-item{border:1px solid var(--line-dark);border-radius:13px;background:#fff;overflow:hidden}
        .faq-item summary{padding:20px 23px;cursor:pointer;list-style:none;font-weight:800;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";color:var(--purple);font-size:25px;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 23px 21px;color:#746e7e;font-size:15px}
        .cta{padding:68px 0;background:var(--mint);color:#17151d}
        .cta-grid{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{margin-bottom:7px}
        .cta p{margin:0;color:#4c5142}
        .cta .btn-primary{background:#17151d;color:#fff;box-shadow:none}
        .cta .btn-primary:hover{background:#3a2c55}
        .site-footer{padding:57px 0 22px;background:var(--bg-deep);border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
        .footer-brand p{font-size:13px;color:var(--muted);max-width:280px;margin:17px 0 0}
        .brand-name{font-size:16px}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.02em;line-height:1.35}
        .footer-title{font-weight:800;margin-bottom:14px;color:#e9e4f0}
        .footer-links{display:grid;gap:8px}
        .footer-links a{font-size:13px;color:var(--muted);transition:var(--ease)}
        .footer-links a:hover{color:var(--mint);padding-left:3px}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:27px;margin-top:40px;border-top:1px solid var(--line);font-size:12px;color:#817b8f}
        @media(max-width:1100px){
            .nav-links{gap:0}
            .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
            .hero-grid{gap:38px}
        }
        @media(max-width:850px){
            .nav-wrap{min-height:70px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:20px;right:20px;top:78px;padding:10px;background:#1b1927;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:13px 15px}
            .hero-grid,.guide-layout{grid-template-columns:1fr}
            .guide-visual{max-width:600px}
            .steps-grid{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:560px){
            .container{width:min(100% - 28px,var(--container))}
            .hero-inner{padding:55px 0 57px}
            .hero-copy{font-size:16px}
            .hero-actions .btn{width:100%}
            .guide-visual{min-height:300px;padding:20px}
            .visual-title{font-size:23px;margin-top:40px}
            .visual-steps{gap:6px}
            .visual-step{padding:12px 8px}
            .steps-grid,.content-map{grid-template-columns:1fr}
            .section{padding:61px 0}
            .section-head{display:block}
            .section-head .section-intro{margin-top:12px}
            .notice-band,.cta-grid{display:block}
            .notice-band .btn{margin-top:20px}
            .cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}
            .footer-brand{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-top:7px}
        }

/* roulang page: category4 */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(17,16,26,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-name{font-size:16px;line-height:1.25}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.03em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:3px}
        .nav-links a{padding:10px 11px;border-radius:9px;color:#d1ccdc;font-size:14px;white-space:nowrap;transition:var(--ease)}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 16px!important;background:var(--mint)!important;color:#15151b!important;font-weight:800!important}
        .nav-entry:hover{background:#d0ff8f!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .hero{position:relative;overflow:hidden;padding:76px 0 72px;background:linear-gradient(135deg,#161323,#11101a 58%,#21162d)}
        .hero:before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-190px;border:1px solid rgba(184,243,107,.18);border-radius:50%;box-shadow:0 0 0 32px rgba(184,243,107,.03),0 0 0 76px rgba(184,243,107,.025)}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:70px;position:relative}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1{font-size:clamp(36px,5vw,60px);line-height:1.15;letter-spacing:-.045em;margin:18px 0 22px}
        .hero-copy{font-size:18px;color:#c4bfd0;max-width:650px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 20px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:white;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .hero-note{font-size:13px;color:var(--muted)}
        .app-art{min-height:360px;position:relative;border:1px solid var(--line);border-radius:28px;background:#181523;padding:24px;box-shadow:var(--shadow);transform:rotate(2deg)}
        .app-art:after{content:"";position:absolute;inset:18px;border:1px dashed rgba(184,243,107,.2);border-radius:20px;pointer-events:none}
        .device{position:absolute;right:38px;top:30px;width:190px;height:300px;border:7px solid #3b354b;border-radius:25px;background:#242036;box-shadow:0 18px 30px rgba(0,0,0,.3);padding:15px;z-index:1}
        .device:before{content:"";display:block;width:48px;height:5px;margin:0 auto 17px;background:#655d78;border-radius:8px}
        .device-screen{height:226px;border-radius:13px;background:linear-gradient(160deg,#6f42c5,#22253e 62%,#58e0c0);padding:13px}
        .device-screen b{display:block;font-size:15px;margin-bottom:25px}
        .screen-lines{display:grid;gap:9px}
        .screen-lines i{display:block;height:12px;border-radius:4px;background:rgba(255,255,255,.25)}
        .screen-lines i:nth-child(2){width:72%;background:var(--mint)}
        .screen-lines i:nth-child(3){width:86%}
        .app-orbit{position:absolute;left:40px;bottom:42px;width:170px;height:170px;border:1px solid rgba(88,224,192,.45);border-radius:50%}
        .app-orbit:before,.app-orbit:after{content:"";position:absolute;border-radius:50%;background:var(--mint)}
        .app-orbit:before{width:16px;height:16px;top:12px;left:30px}
        .app-orbit:after{width:9px;height:9px;right:10px;bottom:34px;background:var(--purple)}
        .art-label{position:absolute;left:30px;top:35px;color:var(--mint);font-size:12px;font-weight:800;letter-spacing:.08em}
        .section{padding:82px 0}
        .section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
        .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-.03em;margin:12px 0 0}
        .section-intro{max-width:530px;color:var(--muted);margin:0}
        .section-light .section-intro{color:#736d7e}
        .benefit-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:16px}
        .benefit{padding:28px;border:1px solid var(--line-dark);border-radius:var(--radius);background:#fff;min-height:178px;transition:var(--ease)}
        .benefit:first-child{background:#ece7f6}
        .benefit:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(48,34,72,.12)}
        .benefit-icon{width:42px;height:42px;border-radius:12px;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:20px}
        .benefit h3{font-size:21px;margin-bottom:8px}
        .benefit p{color:#716b7b;font-size:14px;margin-bottom:0}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:steps}
        .step{position:relative;padding:25px 22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);counter-increment:steps}
        .step:before{content:"0" counter(steps);color:var(--mint);font-size:13px;font-weight:900;letter-spacing:.08em}
        .step h3{font-size:19px;margin:15px 0 8px}
        .step p{color:var(--muted);font-size:14px;margin-bottom:0}
        .download-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center;background:linear-gradient(120deg,#2a1c48,#211b2d);border-radius:24px;padding:45px;border:1px solid rgba(158,108,255,.3)}
        .download-panel h2{font-size:34px;line-height:1.25;margin:13px 0}
        .download-panel p{color:#c3bdd0}
        .check-list{display:grid;gap:12px;margin:23px 0;padding:0;list-style:none}
        .check-list li{color:#e7e2ef}
        .check-list li:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;margin-right:10px;border-radius:50%;background:rgba(184,243,107,.16);color:var(--mint);font-weight:900}
        .download-side{display:grid;grid-template-columns:145px 1fr;gap:25px;align-items:center}
        .qr{height:145px;border-radius:14px;padding:12px;background:#fff;display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
        .qr i{background:#1b1927;border-radius:2px}
        .qr i:nth-child(3n){background:var(--purple)}
        .download-side h3{font-size:20px;margin-bottom:8px}
        .download-side p{font-size:14px;margin:0}
        .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}
        .faq-list{display:grid;gap:10px}
        .faq-list details{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:0 21px;transition:var(--ease)}
        .faq-list details[open]{border-color:var(--purple)}
        .faq-list summary{padding:18px 0;cursor:pointer;font-weight:800;list-style:none}
        .faq-list summary::-webkit-details-marker{display:none}
        .faq-list summary:after{content:"+";float:right;color:var(--mint);font-size:22px;line-height:1}
        .faq-list details[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);font-size:14px;padding:0 0 18px}
        .cta{padding:60px 0;background:var(--mint);color:#17151d}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{font-size:32px;line-height:1.25;margin:0 0 8px}
        .cta p{margin:0;color:#4b5136}
        .cta .btn-primary{background:#23183b;color:#fff;box-shadow:none}
        .cta .btn-primary:hover{background:#3b2660}
        .site-footer{padding:54px 0 22px;background:var(--bg-deep);color:var(--white)}
        .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px;padding-bottom:42px}
        .footer-brand p{color:var(--muted);font-size:14px;max-width:270px;margin:18px 0 0}
        .footer-title{font-weight:800;margin-bottom:14px}
        .footer-links{display:grid;gap:9px}
        .footer-links a{color:var(--muted);font-size:14px;transition:var(--ease)}
        .footer-links a:hover{color:var(--mint);padding-left:3px}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:20px;color:#777184;font-size:12px}
        :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
        @media(max-width:1100px){
            .nav-links{display:none}
            .menu-toggle{display:block}
            .nav-links.open{display:flex;position:absolute;top:78px;left:0;right:0;padding:15px 20px;background:#171521;border-bottom:1px solid var(--line);flex-wrap:wrap}
            .nav-links.open a{flex:1 1 30%;text-align:center}
        }
        @media(max-width:900px){
            .hero-grid,.download-panel,.faq-grid{grid-template-columns:1fr;gap:35px}
            .hero{padding:65px 0}
            .benefit-grid{grid-template-columns:1fr 1fr}
            .benefit:first-child{grid-column:span 2}
            .steps{grid-template-columns:1fr 1fr}
            .download-panel{padding:32px}
        }
        @media(max-width:600px){
            .container{width:min(100% - 28px,1180px)}
            .nav-wrap{height:68px}
            .nav-links.open{top:68px;padding:12px 14px}
            .nav-links.open a{flex:1 1 45%;font-size:13px}
            .hero{padding:52px 0 58px}
            h1{font-size:38px}
            .hero-copy{font-size:16px}
            .hero-actions .btn{width:100%}
            .app-art{min-height:310px;transform:none}
            .device{right:25px;top:35px;transform:scale(.82);transform-origin:top right}
            .app-orbit{left:24px;bottom:33px;transform:scale(.76);transform-origin:left bottom}
            .section{padding:58px 0}
            .section-head{display:block}
            .section-head h2{font-size:29px}
            .benefit-grid,.steps{grid-template-columns:1fr}
            .benefit:first-child{grid-column:auto}
            .download-panel{padding:27px 22px}
            .download-panel h2{font-size:28px}
            .download-side{grid-template-columns:110px 1fr;gap:17px}
            .qr{height:110px;padding:9px;gap:3px}
            .cta-inner{display:block}
            .cta h2{font-size:27px}
            .cta .btn{margin-top:22px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:span 2}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:7px}
        }

/* roulang page: category5 */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(17,16,26,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-name{font-size:16px;line-height:1.2}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.04em;margin-top:4px}
        .nav-links{display:flex;align-items:center;gap:3px}
        .nav-links a{padding:10px 11px;border-radius:9px;color:#d1ccdc;font-size:14px;transition:var(--ease);white-space:nowrap}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .hero{position:relative;overflow:hidden;padding:78px 0 74px;background:linear-gradient(135deg,#161323 0%,#11101a 58%,#21162d 100%)}
        .hero:before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border:1px solid rgba(184,243,107,.18);border-radius:50%;box-shadow:0 0 0 32px rgba(184,243,107,.03),0 0 0 76px rgba(184,243,107,.025)}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:68px;position:relative}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1{font-size:clamp(38px,5vw,62px);line-height:1.15;letter-spacing:-.055em;margin:18px 0 22px;font-weight:900}
        h1 em{font-style:normal;color:var(--mint)}
        .hero-copy{font-size:18px;color:#c4bfd0;max-width:650px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 20px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:white;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .hero-note{font-size:13px;color:var(--muted)}
        .notice-visual{min-height:330px;border:1px solid var(--line);border-radius:26px;background:#181523;padding:23px;box-shadow:var(--shadow);transform:rotate(1.5deg);position:relative}
        .notice-visual:after{content:"";position:absolute;inset:16px;border:1px dashed rgba(184,243,107,.2);border-radius:18px;pointer-events:none}
        .visual-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
        .visual-lamp{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 14px var(--mint)}
        .visual-title{font-size:26px;font-weight:900;margin:34px 0 24px}
        .visual-list{display:grid;gap:11px}
        .visual-line{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:11px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
        .visual-line i{width:8px;height:8px;background:var(--purple);border-radius:50%}
        .visual-line span:last-child{margin-left:auto;color:var(--muted);font-size:12px}
        .section{padding:88px 0}
        .section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
        .section-head h2{font-size:clamp(28px,3.6vw,42px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 0;font-weight:900}
        .section-intro{max-width:560px;color:var(--muted);margin:0}
        .section-light .section-intro{color:#736d7e}
        .status-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
        .status-panel,.notice-card,.reading-panel,.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);transition:var(--ease)}
        .status-panel{padding:30px}
        .status-panel:hover,.notice-card:hover,.reading-panel:hover{border-color:rgba(158,108,255,.75);box-shadow:var(--shadow)}
        .status-panel h3{font-size:25px;margin:14px 0 10px}
        .status-panel p{color:var(--muted);margin-bottom:22px}
        .status-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(184,243,107,.12);color:var(--mint);padding:7px 11px;border-radius:7px;font-size:13px;font-weight:800}
        .status-badge:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
        .status-list{display:grid;gap:10px}
        .status-list div{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line)}
        .status-list div:last-child{border-bottom:0}
        .status-list span{color:var(--muted)}
        .status-list strong{font-size:14px}
        .section-light .status-panel,.section-light .notice-card,.section-light .reading-panel,.section-light .faq-item{background:#fff;border-color:var(--line-dark)}
        .section-light .status-list div{border-color:var(--line-dark)}
        .section-light .status-list span{color:#746f7b}
        .timeline{position:relative;max-width:920px;margin:0 auto}
        .timeline:before{content:"";position:absolute;left:108px;top:12px;bottom:12px;width:1px;background:var(--line-dark)}
        .timeline-item{display:grid;grid-template-columns:88px 1fr;gap:42px;position:relative;padding-bottom:28px}
        .timeline-date{font-weight:900;color:var(--purple-dark);font-size:14px;padding-top:20px;text-align:right}
        .timeline-dot{position:absolute;left:103px;top:24px;width:11px;height:11px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 5px var(--paper)}
        .notice-card{padding:23px 26px;color:var(--ink)}
        .notice-card h3{font-size:21px;margin:12px 0 7px}
        .notice-card p{color:#716b79;margin:0}
        .notice-meta{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
        .tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:6px;background:rgba(184,243,107,.13);color:#5f7d25;font-size:12px;font-weight:800}
        .tag-purple{background:rgba(158,108,255,.12);color:var(--purple-dark)}
        .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .info-block{padding:24px;border-top:3px solid var(--purple);background:var(--panel);border-radius:0 0 var(--radius) var(--radius)}
        .info-block:nth-child(2){border-top-color:var(--mint)}
        .info-block:nth-child(3){border-top-color:var(--cyan)}
        .info-block h3{font-size:20px;margin:4px 0 9px}
        .info-block p{color:var(--muted);font-size:14px;margin:0}
        .reading-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:stretch}
        .reading-panel{padding:30px}
        .reading-panel h3{font-size:24px;margin:10px 0 13px}
        .reading-panel p{color:var(--muted);margin-bottom:0}
        .reading-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
        .step{padding:21px;background:rgba(158,108,255,.08);border-radius:13px;border:1px solid rgba(158,108,255,.16)}
        .step strong{display:block;color:var(--mint);font-size:25px;line-height:1;margin-bottom:14px}
        .step span{font-weight:800;font-size:15px}
        .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
        .faq-item{overflow:hidden}
        .faq-item summary{cursor:pointer;list-style:none;padding:20px 24px;font-weight:800;position:relative;padding-right:55px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";position:absolute;right:24px;color:var(--mint);font-size:24px;top:14px}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 24px 21px;color:var(--muted);max-width:780px}
        .cta{padding:42px 0;background:var(--purple-dark)}
        .cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px}
        .cta h2{font-size:clamp(27px,3.5vw,40px);margin:0 0 8px;line-height:1.2}
        .cta p{margin:0;color:#e4dafa}
        .cta .btn-primary{background:var(--mint);color:#15151b}
        .cta .btn-primary:hover{background:#d0ff8f}
        .site-footer{background:var(--bg-deep);padding:56px 0 25px;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
        .footer-brand p{color:var(--muted);font-size:14px;max-width:300px;margin:18px 0 0}
        .footer-title{font-weight:800;margin-bottom:15px;color:var(--white)}
        .footer-links{display:grid;gap:9px}
        .footer-links a{font-size:14px;color:var(--muted);transition:var(--ease)}
        .footer-links a:hover,.footer-links a:focus{color:var(--mint);padding-left:3px}
        .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:42px;padding-top:20px;color:#817b8f;font-size:12px}
        :focus-visible{outline:3px solid var(--mint);outline-offset:3px}
        @media(max-width:1100px){
            .nav-links a{padding-left:8px;padding-right:8px;font-size:13px}
            .hero-grid{gap:38px}
        }
        @media(max-width:900px){
            .nav-wrap{position:relative}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:0;right:0;top:70px;padding:10px;background:#191622;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:13px 15px}
            .hero-grid,.status-grid,.reading-grid{grid-template-columns:1fr}
            .notice-visual{max-width:610px;width:100%;margin:0 auto}
            .info-grid{grid-template-columns:1fr 1fr}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
            .footer-grid>div:last-child{grid-column:2}
        }
        @media(max-width:650px){
            .container{width:min(100% - 28px,var(--container))}
            .hero{padding:60px 0 55px}
            .section{padding:62px 0}
            .section-head{display:block;margin-bottom:24px}
            .section-intro{margin-top:15px}
            h1{font-size:38px}
            .hero-copy{font-size:16px}
            .hero-actions .btn{width:100%}
            .info-grid,.reading-steps{grid-template-columns:1fr}
            .timeline:before{left:8px}
            .timeline-item{grid-template-columns:1fr;gap:7px;padding-left:31px}
            .timeline-date{text-align:left;padding-top:0}
            .timeline-dot{left:3px;top:6px;box-shadow:0 0 0 5px var(--paper)}
            .notice-card{padding:20px}
            .cta-box{display:block}
            .cta .btn{margin-top:23px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .footer-brand{grid-column:1/-1}
            .footer-grid>div:last-child{grid-column:auto}
            .copyright{display:block}
            .copyright span{display:block;margin-top:8px}
        }

/* roulang page: category6 */
:root{
            --bg:#11101a;
            --bg-deep:#0b0a11;
            --panel:#1b1927;
            --panel-soft:#242133;
            --paper:#f5f3f8;
            --ink:#1d1a28;
            --white:#fbfaff;
            --muted:#aaa5bb;
            --line:rgba(255,255,255,.12);
            --line-dark:#e3dfea;
            --purple:#9e6cff;
            --purple-dark:#7043d6;
            --mint:#b8f36b;
            --cyan:#58e0c0;
            --danger:#ff8a9b;
            --radius:18px;
            --shadow:0 18px 48px rgba(4,3,12,.28);
            --ease:all .28s ease;
            --container:1180px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--bg);color:var(--white);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:30;background:rgba(17,16,26,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--purple);position:relative;box-shadow:0 0 24px rgba(158,108,255,.45)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--mint);border-radius:3px}
        .brand-mark:before{width:19px;height:5px;left:9px;top:11px;transform:rotate(-28deg)}
        .brand-mark:after{width:13px;height:5px;left:13px;top:22px;transform:rotate(28deg)}
        .brand-name{font-size:16px;line-height:1.2}
        .brand-name span{display:block;color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.04em;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:3px}
        .nav-links a{padding:10px 10px;border-radius:9px;color:#d1ccdc;font-size:13px;transition:var(--ease);white-space:nowrap}
        .nav-links a:hover,.nav-links a:focus,.nav-links a.active{color:var(--white);background:rgba(158,108,255,.16)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--mint)}
        .nav-entry{padding:11px 16px!important;background:var(--mint)!important;color:#15151b!important;font-weight:800!important}
        .nav-entry:hover{background:#d0ff8f!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--white);border-radius:9px;padding:8px 11px}
        .page-hero{position:relative;overflow:hidden;padding:76px 0 68px;background:linear-gradient(135deg,#171326,#11101a 62%,#241631)}
        .page-hero:after{content:"";position:absolute;width:440px;height:440px;right:-170px;top:-170px;border:1px solid rgba(184,243,107,.2);border-radius:50%;box-shadow:0 0 0 28px rgba(184,243,107,.03),0 0 0 72px rgba(184,243,107,.025)}
        .breadcrumb{position:relative;z-index:1;color:var(--muted);font-size:13px;margin-bottom:30px}
        .breadcrumb a{color:var(--mint)}
        .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:center}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--mint)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(36px,5vw,60px);line-height:1.16;letter-spacing:-.045em;margin:18px 0 20px;font-weight:900}
        h2{font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 12px}
        h3{font-size:20px;line-height:1.4}
        .hero-copy{max-width:690px;color:#c4bfd0;font-size:18px;margin-bottom:28px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:var(--ease)}
        .btn-primary{background:var(--purple);color:#fff;box-shadow:0 9px 22px rgba(112,67,214,.28)}
        .btn-primary:hover,.btn-primary:focus{background:#b188ff;transform:translateY(-2px)}
        .btn-secondary{border-color:rgba(255,255,255,.22);color:var(--white)}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--mint);color:var(--mint);background:rgba(184,243,107,.06)}
        .question-art{height:300px;border:1px solid var(--line);border-radius:26px;background:#191622;padding:24px;box-shadow:var(--shadow);transform:rotate(2deg)}
        .art-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}
        .art-dot{width:10px;height:10px;border-radius:50%;background:var(--mint);box-shadow:0 0 18px var(--mint)}
        .search-visual{margin-top:34px;border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:14px 16px;color:#8f899f;background:#242033}
        .search-visual strong{display:block;color:var(--white);font-size:17px;margin-bottom:14px}
        .search-line{height:8px;background:linear-gradient(90deg,var(--purple) 0 72%,transparent 72%);border-radius:5px}
        .visual-question{display:flex;gap:10px;margin-top:22px}
        .visual-question i{display:block;height:32px;flex:1;border-radius:7px;background:rgba(184,243,107,.12);border:1px solid rgba(184,243,107,.25)}
        .section{padding:86px 0}
        .section-light{background:var(--paper);color:var(--ink)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}
        .section-intro{max-width:560px;color:var(--muted);margin:0}
        .section-light .section-intro{color:#736d7e}
        .finder{display:grid;grid-template-columns:1fr auto;gap:12px;padding:18px;background:#211d2d;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:34px}
        .finder input{width:100%;border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:12px 15px;background:#14121d;color:var(--white);outline:none}
        .finder input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(184,243,107,.12)}
        .faq-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
        .faq-group{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
        .faq-group h3{margin-bottom:18px;color:var(--mint)}
        details{border-top:1px solid var(--line);padding:15px 0}
        details:first-of-type{border-top:0}
        summary{cursor:pointer;list-style:none;font-weight:800;padding-right:28px;position:relative}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";position:absolute;right:0;top:-2px;color:var(--mint);font-size:23px;font-weight:400}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:14px;margin:12px 0 2px}
        .guide-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
        .info-panel{padding:30px;background:var(--panel-soft);border:1px solid var(--line);border-radius:var(--radius)}
        .info-panel h3{margin-bottom:12px}
        .info-panel p{color:var(--muted);margin-bottom:0}
        .topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:20px}
        .topic-list a{padding:14px;border:1px solid var(--line);border-radius:10px;color:#ddd8e6;transition:var(--ease)}
        .topic-list a:hover{border-color:var(--purple);color:var(--mint);transform:translateY(-2px)}
        .notice-box{border-left:3px solid var(--mint);padding:4px 0 4px 18px;color:#d3cddd}
        .cta{padding:54px 0;background:linear-gradient(110deg,#2b1c45,#171322);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{margin-bottom:8px}
        .cta p{color:var(--muted);margin-bottom:0}
        .site-footer{padding:54px 0 24px;background:var(--bg-deep);color:var(--white)}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding-bottom:42px}
        .footer-brand p{color:var(--muted);font-size:14px;max-width:280px;margin:18px 0 0}
        .footer-title{font-weight:800;margin-bottom:14px;color:var(--mint)}
        .footer-links{display:grid;gap:9px}
        .footer-links a{color:var(--muted);font-size:14px;transition:var(--ease)}
        .footer-links a:hover{color:var(--white);padding-left:4px}
        .copyright{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#777184;font-size:12px}
        :focus-visible{outline:3px solid rgba(184,243,107,.65);outline-offset:3px}
        @media(max-width:1024px){
            .nav-links{display:none}
            .menu-toggle{display:block}
            .nav-wrap{height:70px}
            .hero-layout{grid-template-columns:1fr 330px;gap:35px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 30px,var(--container))}
            .page-hero{padding:54px 0 58px}
            .hero-layout,.guide-strip{grid-template-columns:1fr}
            .question-art{max-width:440px;width:100%;margin:0 auto;transform:none}
            .section{padding:62px 0}
            .section-head,.cta-inner{display:block}
            .section-head .section-intro{margin-top:14px}
            .faq-groups{grid-template-columns:1fr}
            .cta .hero-actions{margin-top:24px}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:520px){
            h1{font-size:36px}
            .hero-copy{font-size:16px}
            .finder{grid-template-columns:1fr}
            .topic-list{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr}
            .copyright{display:block}
            .copyright span{display:block;margin-top:7px}
            .btn{width:100%}
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}