/* roulang page: index */
:root{
      --bg:#07111f;--bg-deep:#050b14;--surface:#0c1b2c;--surface-2:#10243a;
      --glass:rgba(16,35,57,.68);--glass-strong:rgba(13,29,48,.9);
      --line:rgba(152,192,220,.16);--line-bright:rgba(101,225,255,.43);
      --text:#eff8ff;--muted:#9cafc1;--soft:#c6d5e2;--cyan:#62ddf7;
      --cyan-deep:#1a9fc3;--violet:#a88bff;--coral:#d98b9b;--green:#79d5bc;
      --radius-xl:30px;--radius-lg:22px;--radius:16px;--radius-sm:11px;
      --shadow:0 22px 54px rgba(0,0,0,.27);--sidebar:250px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
    body:before{content:"";position:fixed;z-index:-2;inset:0;background:linear-gradient(115deg,#07111f 0%,#071421 55%,#08101c 100%)}
    body:after{content:"";position:fixed;z-index:-1;width:680px;height:680px;right:-210px;top:-130px;border-radius:50%;background:radial-gradient(circle,rgba(55,158,204,.12),transparent 69%);pointer-events:none}
    a{color:inherit;text-decoration:none} button,input{font:inherit} button{cursor:pointer} img{max-width:100%;display:block}
    :focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
    .skip{position:absolute;left:12px;top:-60px;padding:8px 14px;background:var(--cyan);color:#03101a;border-radius:8px;z-index:20;transition:top .2s}.skip:focus{top:12px}
    .sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:rgba(6,15,27,.87);border-right:1px solid var(--line);padding:25px 15px 18px;display:flex;flex-direction:column;z-index:30;backdrop-filter:blur(18px)}
    .brand{display:flex;align-items:center;gap:11px;padding:0 9px 28px;border-bottom:1px solid var(--line);font-size:15px;font-weight:750;letter-spacing:.03em;line-height:1.35}
    .mark{width:34px;height:34px;flex:none;position:relative;border:1px solid rgba(98,221,247,.65);border-radius:12px;background:rgba(98,221,247,.08)}
    .mark:before,.mark:after{content:"";position:absolute;border:2px solid var(--cyan);border-radius:50%;width:13px;height:13px;top:8px}.mark:before{left:5px}.mark:after{right:5px;border-color:var(--violet)}
    .nav-label{color:#738ba0;font-size:11px;letter-spacing:.16em;margin:24px 10px 10px}
    .side-nav{display:grid;gap:7px}.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 11px;border:1px solid transparent;border-radius:13px;color:var(--muted);font-size:14px;transition:.22s ease}
    .side-nav a:hover{background:rgba(98,221,247,.07);color:var(--text);border-color:var(--line)}.side-nav a.active{background:linear-gradient(105deg,rgba(98,221,247,.17),rgba(168,139,255,.09));color:var(--text);border-color:rgba(98,221,247,.32);box-shadow:inset 0 0 18px rgba(98,221,247,.05)}
    .ico{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
    .side-note{margin-top:25px;padding:15px;border-radius:16px;background:rgba(152,192,220,.045);border:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.65}.side-note strong{color:var(--soft);display:block;font-size:13px;margin-bottom:3px}
    .side-bottom{margin-top:auto;padding:17px 9px 0;border-top:1px solid var(--line);font-size:12px;color:#8197aa}.side-bottom a{display:block;margin-top:8px;transition:color .2s}.side-bottom a:hover{color:var(--cyan)}
    .main{margin-left:var(--sidebar);min-width:0}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,60px);border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
    .crumb{display:flex;gap:9px;align-items:center}.crumb i{width:5px;height:5px;background:var(--cyan);border-radius:50%;display:block}.status{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid rgba(121,213,188,.3);border-radius:999px;background:rgba(121,213,188,.07);font-size:12px;color:#b8e8d9}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
    .menu{display:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 10px}
    .container{width:min(100%,1380px);margin:auto;padding:0 clamp(22px,4vw,62px)}
    .hero{position:relative;margin-top:28px;min-height:560px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);padding:clamp(32px,5vw,72px);background:linear-gradient(120deg,rgba(13,35,56,.94),rgba(7,17,31,.76));box-shadow:var(--shadow)}
    .hero:before{content:"";position:absolute;inset:0;opacity:.34;background-image:linear-gradient(rgba(130,194,221,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(130,194,221,.1) 1px,transparent 1px);background-size:35px 35px;mask-image:linear-gradient(90deg,#000 0%,transparent 76%)}.hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(98,221,247,.25);border-radius:50%;right:-105px;top:55px;box-shadow:0 0 0 35px rgba(98,221,247,.025),0 0 0 80px rgba(168,139,255,.025)}
    .hero-content{position:relative;z-index:1;max-width:805px}.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(98,221,247,.25);background:rgba(98,221,247,.08);color:#b8effa;border-radius:999px;padding:5px 11px;font-size:12px;line-height:1.4}.eyebrow:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(40px,5.2vw,66px);line-height:1.14;letter-spacing:-.055em;margin:20px 0;color:#f5fbff;max-width:760px}h2{font-size:clamp(29px,3.2vw,42px);line-height:1.25;letter-spacing:-.035em;margin-bottom:14px}h3{font-size:20px;line-height:1.42;margin-bottom:7px}.hero p{max-width:700px;color:#bdd0df;font-size:17px;line-height:1.9;margin-bottom:27px}
    .hero-actions,.button-row{display:flex;gap:12px;flex-wrap:wrap}.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 18px;border-radius:12px;border:1px solid var(--line);font-weight:700;font-size:14px;transition:transform .22s,background .22s,border-color .22s,box-shadow .22s}.btn:hover{transform:translateY(-3px)}.btn.primary{color:#02121a;background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 4px rgba(98,221,247,.09),0 8px 25px rgba(47,194,223,.18)}.btn.primary:hover{background:#a3efff;box-shadow:0 0 0 5px rgba(98,221,247,.14),0 12px 30px rgba(47,194,223,.24)}.btn.secondary{background:rgba(11,27,44,.56);color:var(--text)}.btn.secondary:hover{border-color:var(--line-bright);background:rgba(98,221,247,.1)}
    .hero-rail{position:relative;z-index:1;margin-top:56px;padding-top:17px;border-top:1px solid var(--line);display:flex;gap:14px;flex-wrap:wrap}.rail-item{color:var(--muted);font-size:12px;display:flex;gap:8px;align-items:center}.rail-item b{color:var(--soft);font-weight:600}.rail-item:before{content:"";height:16px;width:1px;background:var(--line-bright)}
    .index-panel{position:absolute;right:clamp(20px,4vw,61px);bottom:43px;width:min(390px,38%);z-index:2;padding:18px;border-radius:20px;background:rgba(8,21,36,.69);border:1px solid rgba(136,208,233,.24);box-shadow:0 25px 40px rgba(0,0,0,.24);backdrop-filter:blur(15px);transform:rotate(-2deg)}
    .panel-head{display:flex;align-items:center;justify-content:space-between;color:#cbdeeb;font-size:12px;margin-bottom:16px}.dots{display:flex;gap:5px}.dots i{display:block;width:7px;height:7px;border-radius:50%;background:var(--cyan)}.dots i:nth-child(2){background:var(--violet)}.dots i:nth-child(3){background:#718da4}.track{display:grid;gap:11px}.track-line{height:50px;padding:8px 10px;border:1px solid var(--line);border-radius:12px;background:rgba(151,203,230,.04);display:flex;align-items:center;gap:9px;font-size:12px;color:#b5c7d5}.track-line span{display:block;height:7px;border-radius:8px;background:linear-gradient(90deg,var(--cyan),rgba(98,221,247,.1));flex:1}.track-line:nth-child(2) span{background:linear-gradient(90deg,var(--violet),rgba(168,139,255,.1));max-width:75%}.track-line:nth-child(3) span{max-width:52%}
    section{padding:108px 0}.section-head{max-width:700px;margin-bottom:35px}.section-head p{color:var(--muted);margin-bottom:0}.section-kicker{color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.13em;margin-bottom:9px}
    .benefits{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.benefit-main,.benefit-stack .card,.price-card,.article-list,.cta,.faq-wrap,.update-panel{background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .benefit-main{border-radius:var(--radius-xl);padding:31px;min-height:290px;position:relative;overflow:hidden}.benefit-main:after{content:"01";font-size:132px;line-height:1;position:absolute;right:18px;bottom:-27px;color:rgba(98,221,247,.06);font-weight:800}.benefit-main p,.benefit-stack p{color:var(--muted);max-width:510px}.feature-list{margin:24px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.feature-list li{font-size:13px;color:#c8d7e2;display:flex;align-items:center;gap:8px}.feature-list li:before{content:"";width:8px;height:8px;border-radius:50%;background:rgba(98,221,247,.2);border:1px solid var(--cyan)}
    .benefit-stack{display:grid;gap:18px}.benefit-stack .card{padding:21px;border-radius:var(--radius-lg);position:relative;transition:.25s}.benefit-stack .card:hover,.price-card:hover,.case-card:hover{transform:translateY(-5px);border-color:var(--line-bright)}.benefit-stack h3{font-size:18px}.card-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:var(--cyan);background:rgba(98,221,247,.09);border:1px solid rgba(98,221,247,.18);margin-bottom:13px}
    .price-grid{display:grid;grid-template-columns:.85fr 1.1fr .85fr;gap:17px;align-items:stretch}.price-card{padding:27px;border-radius:var(--radius-lg);display:flex;flex-direction:column;transition:.25s}.price-card.featured{border-color:rgba(98,221,247,.48);background:linear-gradient(160deg,rgba(20,57,79,.75),rgba(10,25,42,.87));box-shadow:0 20px 45px rgba(0,0,0,.3),inset 0 1px 0 rgba(173,244,255,.13)}.price-card .badge{width:max-content;margin-bottom:16px}.price-card p{color:var(--muted);font-size:14px;min-height:50px}.plan-value{font-size:28px;line-height:1.2;font-weight:780;margin:15px 0;color:var(--text)}.plan-value small{font-size:13px;color:var(--muted);font-weight:500}.checklist{list-style:none;padding:0;margin:7px 0 24px;display:grid;gap:10px;color:#c7d6e1;font-size:13px}.checklist li{display:flex;gap:9px}.checklist li:before{content:"✓";color:var(--green);font-weight:800}.price-card .btn{margin-top:auto}
    .update-panel{border-radius:var(--radius-xl);padding:27px;display:grid;grid-template-columns:230px 1fr;gap:28px}.update-intro p{color:var(--muted);font-size:14px}.update-list{border-left:1px solid var(--line);padding-left:28px;display:grid;gap:19px}.update-item{position:relative}.update-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;left:-34px;top:8px;background:var(--cyan);box-shadow:0 0 0 5px rgba(98,221,247,.1)}.update-item time{font-size:12px;color:var(--cyan)}.update-item h3{font-size:16px;margin:3px 0}.update-item p{font-size:13px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.article-list{border-radius:var(--radius-lg);overflow:hidden}.article{display:grid;grid-template-columns:80px 1fr auto;gap:18px;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line);transition:background .2s}.article:last-child{border-bottom:0}.article:hover{background:rgba(98,221,247,.055)}.article-no{font-size:12px;letter-spacing:.1em;color:var(--cyan)}.article h3{font-size:17px;margin:0 0 3px}.article p{font-size:13px;color:var(--muted);margin:0}.arrow{font-size:21px;color:var(--cyan);transition:transform .2s}.article:hover .arrow{transform:translateX(4px)}
    .topic-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;background:linear-gradient(145deg,rgba(22,41,64,.78),rgba(9,20,35,.82));position:relative;overflow:hidden}.topic-card:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-65px;top:-70px;border:1px solid rgba(168,139,255,.25)}.topic-card p{color:var(--muted);font-size:14px}.topic-tags{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}.topic-tags a{padding:7px 10px;border-radius:9px;border:1px solid var(--line);font-size:12px;color:#c5d7e4;background:rgba(255,255,255,.03);transition:.2s}.topic-tags a:hover{border-color:var(--line-bright);color:var(--cyan)}
    .entry{padding-top:0}.entry-box{padding:38px;border-radius:var(--radius-xl);border:1px solid rgba(98,221,247,.29);background:linear-gradient(105deg,rgba(16,51,70,.78),rgba(18,26,55,.75));display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;position:relative;overflow:hidden}.entry-box:after{content:"";position:absolute;inset:auto -30px -90px auto;width:260px;height:260px;border:1px solid rgba(98,221,247,.25);border-radius:50%;box-shadow:0 0 0 25px rgba(98,221,247,.03)}.entry-box p{margin:0;color:#bfd3df;max-width:700px}.entry-box h2{margin-bottom:10px}
    .faq-wrap{border-radius:var(--radius-xl);overflow:hidden}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border-bottom:0}.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;color:var(--text);background:transparent;border:0;padding:20px 25px;font-weight:700;font-size:16px}.faq-q span:last-child{font-size:25px;color:var(--cyan);font-weight:300;transition:transform .2s}.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}.faq-a>div{overflow:hidden}.faq-a p{color:var(--muted);padding:0 25px 0;margin:0 0 20px;font-size:14px}.faq-item.open .faq-a{grid-template-rows:1fr}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{border-radius:var(--radius-xl);padding:38px;display:flex;justify-content:space-between;align-items:center;gap:24px;position:relative;overflow:hidden;background:linear-gradient(115deg,rgba(17,48,65,.77),rgba(13,25,49,.83))}.cta:before{content:"";position:absolute;inset:0;opacity:.2;background-image:radial-gradient(var(--cyan) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(90deg,#000,transparent)}.cta>*{position:relative}.cta h2{font-size:30px;margin:0 0 7px}.cta p{color:var(--muted);margin:0}
    footer{padding:0 0 30px}.footer-grid{padding:34px 0 25px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.3fr repeat(2,.7fr);gap:25px}.footer-brand{font-size:17px;font-weight:750}.footer-brand p{font-size:13px;color:var(--muted);font-weight:400;margin:7px 0}.footer-col h3{font-size:13px;color:#d8e8f2;margin-bottom:9px}.footer-col a{display:block;color:var(--muted);font-size:13px;margin:5px 0}.footer-col a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);padding-top:17px;font-size:12px;color:#748b9e;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .overlay{display:none}
    @media(max-width:1100px){.index-panel{opacity:.72;width:330px}.price-grid{grid-template-columns:1fr 1fr}.price-card:last-child{grid-column:span 2}.news-layout{grid-template-columns:1fr}}
    @media(max-width:960px){body.menu-open{overflow:hidden}.sidebar{transform:translateX(-105%);width:min(300px,86vw);transition:transform .28s}.sidebar.open{transform:translateX(0)}.overlay.open{display:block;position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:25}.main{margin-left:0}.menu{display:inline-flex}.topbar{height:64px}.index-panel{position:relative;right:auto;bottom:auto;width:min(430px,100%);margin:38px 0 0;transform:none}.hero{min-height:auto}.hero:after{display:none}.benefits,.update-panel{grid-template-columns:1fr}.update-list{border-left:0;border-top:1px solid var(--line);padding:22px 0 0 18px}.update-item:before{left:-24px}.entry-box{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:700px){section{padding:66px 0}.container{padding:0 17px}.hero{margin-top:16px;padding:29px 23px;border-radius:22px}h1{font-size:39px}.hero p{font-size:16px}.hero-rail{margin-top:31px}.feature-list{grid-template-columns:1fr}.price-grid{grid-template-columns:1fr}.price-card:last-child{grid-column:auto}.article{grid-template-columns:46px 1fr auto;gap:10px;padding:17px}.article p{display:none}.update-panel,.cta{padding:24px}.cta{display:block}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr}.entry-box{padding:27px}.section-head{margin-bottom:24px}}
    @media(max-width:480px){.topbar{padding:0 17px}.crumb span{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status{font-size:0;padding:6px}.status:before{margin:0}.hero-actions .btn{width:100%}.hero-rail{display:grid;grid-template-columns:1fr}.article h3{font-size:15px}.faq-q{padding:18px;font-size:14px}.faq-a p{padding:0 18px}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* roulang page: category2 */
:root{
 --bg:#07111f;--bg-deep:#050b14;--surface:#0c1b2c;--surface-2:#10243a;
 --glass:rgba(16,35,57,.68);--glass-strong:rgba(13,29,48,.9);
 --line:rgba(152,192,220,.16);--line-bright:rgba(101,225,255,.43);
 --text:#eff8ff;--muted:#9cafc1;--soft:#c6d5e2;--cyan:#62ddf7;
 --cyan-deep:#1a9fc3;--violet:#a88bff;--coral:#d98b9b;--green:#79d5bc;
 --radius-xl:30px;--radius-lg:22px;--radius:16px;--radius-sm:11px;
 --shadow:0 22px 54px rgba(0,0,0,.27);--sidebar:250px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
body:before{content:"";position:fixed;z-index:-2;inset:0;background:linear-gradient(115deg,#07111f 0%,#071421 55%,#08101c 100%)}
body:after{content:"";position:fixed;z-index:-1;width:680px;height:680px;right:-210px;top:-130px;border-radius:50%;background:radial-gradient(circle,rgba(55,158,204,.12),transparent 69%);pointer-events:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid rgba(98,221,247,.75);outline-offset:3px}
.sidebar{position:fixed;z-index:30;inset:0 auto 0 0;width:var(--sidebar);padding:27px 18px 22px;background:rgba(5,13,24,.8);border-right:1px solid var(--line);backdrop-filter:blur(18px);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:0 9px 28px;border-bottom:1px solid var(--line);font-size:15px;font-weight:750;letter-spacing:.03em;line-height:1.35}
.brand-mark{position:relative;width:30px;height:30px;border:1px solid var(--cyan);border-radius:10px;box-shadow:inset 0 0 14px rgba(98,221,247,.17),0 0 18px rgba(98,221,247,.09)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid rgba(98,221,247,.8);border-radius:50%}
.brand-mark:before{width:10px;height:10px;left:5px;top:9px}
.brand-mark:after{width:10px;height:10px;right:5px;top:9px}
.nav-label{color:#738ba0;font-size:11px;letter-spacing:.16em;margin:24px 10px 10px}
.side-nav{display:grid;gap:7px}
.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 11px;border:1px solid transparent;border-radius:13px;color:var(--muted);font-size:14px;transition:.22s ease}
.side-nav a:hover{background:rgba(98,221,247,.07);color:var(--text);border-color:var(--line)}
.side-nav a.active{background:linear-gradient(105deg,rgba(98,221,247,.17),rgba(168,139,255,.09));color:var(--text);border-color:rgba(98,221,247,.32);box-shadow:inset 0 0 18px rgba(98,221,247,.05)}
.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.side-hint{margin:28px 3px 0;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(98,221,247,.045);color:var(--muted);font-size:12px;line-height:1.65}
.side-hint b{display:block;color:var(--soft);font-size:13px;margin-bottom:4px}
.side-bottom{margin-top:auto;padding:17px 9px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.side-bottom a{display:block;margin-top:8px;transition:color .2s}
.side-bottom a:hover{color:var(--cyan)}
.main{margin-left:var(--sidebar);min-width:0}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,60px);border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
.path{display:flex;align-items:center;gap:8px;white-space:nowrap}
.path span{color:#668198}
.status{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid rgba(121,213,188,.25);border-radius:999px;background:rgba(121,213,188,.08);color:#b6ead8;font-size:12px}
.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 10px rgba(121,213,188,.65)}
.menu{display:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 10px}
.container{width:min(100%,1380px);margin:auto;padding:0 clamp(22px,4vw,62px)}
.page-head{position:relative;margin-top:28px;padding:clamp(30px,5vw,64px);overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);background:linear-gradient(120deg,rgba(13,35,56,.91),rgba(7,17,31,.78));box-shadow:var(--shadow)}
.page-head:before{content:"";position:absolute;inset:0;opacity:.32;background-image:linear-gradient(rgba(130,194,221,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(130,194,221,.11) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,#000,transparent 88%)}
.page-head:after{content:"";position:absolute;width:260px;height:260px;right:5%;top:-80px;border:1px solid rgba(98,221,247,.24);border-radius:50%;box-shadow:0 0 0 28px rgba(98,221,247,.025),0 0 0 62px rgba(168,139,255,.025)}
.head-content{position:relative;z-index:1;max-width:850px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(98,221,247,.25);background:rgba(98,221,247,.08);color:#b8effa;border-radius:999px;padding:5px 11px;font-size:12px;line-height:1.4}
.eyebrow:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,59px);letter-spacing:-.045em;line-height:1.14;margin:16px 0 20px}
h2{font-size:clamp(28px,3vw,39px);line-height:1.25;letter-spacing:-.035em;margin-bottom:14px}
h3{font-size:20px;line-height:1.4;margin-bottom:9px}
.head-content>p{max-width:740px;color:#bdd0df;font-size:17px;line-height:1.9;margin-bottom:23px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.badge.violet{color:#ddd4ff;border-color:rgba(168,139,255,.28);background:rgba(168,139,255,.1)}
.badge.green{color:#c4f0df;border-color:rgba(121,213,188,.25);background:rgba(121,213,188,.08)}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 18px;border-radius:12px;border:1px solid var(--line);font-weight:700;font-size:14px;transition:transform .22s,background .22s,border-color .22s,box-shadow .22s}
.btn:hover{transform:translateY(-3px)}
.btn.primary{color:#02121a;background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 4px rgba(98,221,247,.09),0 8px 25px rgba(47,194,223,.18)}
.btn.primary:hover{background:#a3efff;box-shadow:0 0 0 5px rgba(98,221,247,.14),0 12px 30px rgba(47,194,223,.24)}
.btn.secondary{background:rgba(11,27,44,.56);color:var(--text)}
.btn.secondary:hover{border-color:var(--line-bright);background:rgba(98,221,247,.1)}
section{padding:94px 0}
.rule-layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:34px;align-items:start}
.toc{position:sticky;top:24px;padding:17px;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.toc-title{margin:0 0 11px;padding:0 5px;color:#7f99af;font-size:11px;letter-spacing:.14em}
.toc a{display:flex;align-items:center;gap:10px;padding:10px 8px;border-radius:10px;color:var(--muted);font-size:13px;transition:.2s}
.toc a:before{content:"";width:7px;height:7px;border:1px solid #7090a8;border-radius:50%}
.toc a:hover{background:rgba(98,221,247,.08);color:var(--text)}
.toc a:hover:before{border-color:var(--cyan);background:var(--cyan);box-shadow:0 0 10px rgba(98,221,247,.55)}
.rule-content{display:grid;gap:20px}
.section-intro{padding:4px 4px 9px}
.section-kicker{color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.13em;margin-bottom:9px}
.section-intro p{color:var(--muted);max-width:800px;margin-bottom:0}
.rule-card{position:relative;padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--glass);box-shadow:var(--shadow);backdrop-filter:blur(12px);overflow:hidden}
.rule-card:hover{border-color:rgba(101,225,255,.34)}
.rule-number{font-size:12px;letter-spacing:.16em;color:var(--cyan);font-weight:700}
.rule-card p{color:var(--muted);margin-bottom:0}
.notice{display:flex;gap:13px;align-items:flex-start;margin-top:20px;padding:15px 16px;border:1px solid rgba(98,221,247,.21);border-radius:14px;background:rgba(98,221,247,.07);color:#c4dbe8;font-size:14px;line-height:1.7}
.notice svg{width:20px;min-width:20px;margin-top:3px;color:var(--cyan);fill:none;stroke:currentColor;stroke-width:1.7}
.mini-list{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.mini-list li{display:flex;gap:11px;padding:12px 0;border-top:1px solid var(--line);color:#c8d7e2;font-size:14px}
.mini-list li:first-child{border-top:0}
.mini-list i{font-style:normal;color:var(--cyan);font-weight:700;font-size:12px;padding-top:2px}
.quote{margin-top:21px;padding:17px 19px;border-left:2px solid var(--violet);border-radius:0 13px 13px 0;background:rgba(168,139,255,.07);color:#d8d0f7;font-size:15px}
.path-grid{margin-top:21px;display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.path-step{position:relative;min-height:152px;padding:18px 16px;border:1px solid var(--line);border-radius:15px;background:rgba(5,15,27,.33)}
.path-step:not(:last-child):after{content:"";position:absolute;right:-8px;top:50%;z-index:2;width:15px;height:1px;background:var(--line-bright)}
.path-step b{display:block;margin-bottom:12px;color:var(--cyan);font-size:12px;letter-spacing:.1em}
.path-step span{display:block;color:var(--soft);font-size:14px;line-height:1.65}
.matrix{display:grid;grid-template-columns:1.25fr .85fr 1fr;gap:12px;margin-top:21px}
.matrix a{min-height:105px;padding:17px;border:1px solid var(--line);border-radius:16px;background:rgba(6,18,31,.38);transition:.22s}
.matrix a:hover{transform:translateY(-4px);border-color:var(--line-bright);background:rgba(98,221,247,.08)}
.matrix a:nth-child(2){min-height:142px;background:rgba(168,139,255,.07)}
.matrix a:nth-child(3){background:rgba(121,213,188,.06)}
.matrix a:nth-child(4){grid-column:span 2;background:linear-gradient(105deg,rgba(98,221,247,.09),rgba(12,27,44,.33))}
.matrix small{display:block;color:#8099ad;font-size:11px;letter-spacing:.1em;margin-bottom:7px}
.matrix strong{display:block;color:var(--soft);font-size:16px;line-height:1.45}
.faq-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--glass);box-shadow:var(--shadow)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 23px;background:transparent;border:0;color:var(--text);text-align:left;font-weight:700;font-size:15px}
.faq-q span:last-child{width:24px;height:24px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--cyan);transition:.22s;flex:0 0 auto}
.faq-q[aria-expanded="true"] span:last-child{transform:rotate(45deg);background:rgba(98,221,247,.1)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.faq-a>div{overflow:hidden}
.faq-a p{margin:0;padding:0 23px 20px;color:var(--muted);font-size:14px}
.faq-item.open .faq-a{grid-template-rows:1fr}
.next-panel{position:relative;overflow:hidden;padding:clamp(27px,4vw,46px);border:1px solid rgba(98,221,247,.29);border-radius:var(--radius-xl);background:linear-gradient(110deg,rgba(12,38,58,.85),rgba(11,24,42,.87));box-shadow:var(--shadow)}
.next-panel:after{content:"";position:absolute;width:260px;height:260px;right:-65px;bottom:-130px;border-radius:50%;border:1px solid rgba(98,221,247,.25);box-shadow:0 0 0 30px rgba(98,221,247,.035),0 0 0 65px rgba(168,139,255,.025)}
.next-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
.next-panel p{margin:0;color:#bdd0df;max-width:640px}
.button-row{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
footer{margin-top:108px;padding:62px 0 22px;border-top:1px solid var(--line);background:rgba(3,10,18,.44)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:30px}
.footer-brand{font-size:18px;font-weight:750}
.footer-brand p{margin:7px 0 0;color:var(--muted);font-size:14px;font-weight:400}
.footer-col h3{margin:0 0 11px;color:#88a3b7;font-size:12px;letter-spacing:.12em}
.footer-col a{display:block;margin:7px 0;color:var(--muted);font-size:14px;transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.copyright{display:flex;justify-content:space-between;gap:18px;margin-top:44px;padding-top:18px;border-top:1px solid var(--line);color:#71889b;font-size:12px}
.drawer-mask{display:none}
@media(max-width:960px){
 body.menu-open{overflow:hidden}
 .sidebar{transform:translateX(-105%);transition:transform .28s ease;box-shadow:20px 0 45px rgba(0,0,0,.3)}
 body.menu-open .sidebar{transform:translateX(0)}
 .drawer-mask{position:fixed;z-index:20;inset:0;background:rgba(1,6,13,.7);backdrop-filter:blur(2px)}
 body.menu-open .drawer-mask{display:block}
 .main{margin-left:0}
 .menu{display:inline-flex;align-items:center;gap:7px}
 .topbar{height:64px}
 .rule-layout{grid-template-columns:1fr}
 .toc{position:relative;top:auto;display:flex;gap:7px;overflow:auto;padding:9px;white-space:nowrap}
 .toc-title{display:none}
 .toc a{border:1px solid var(--line);padding:8px 11px}
 .toc a:before{display:none}
}
@media(max-width:768px){
 .page-head{margin-top:17px;padding:31px 24px}
 h1{font-size:39px}
 section{padding:66px 0}
 .rule-card{padding:24px 20px}
 .path-grid{grid-template-columns:1fr}
 .path-step{min-height:auto}
 .path-step:not(:last-child):after{width:1px;height:14px;right:auto;left:25px;top:auto;bottom:-14px}
 .matrix{grid-template-columns:1fr 1fr}
 .matrix a:nth-child(4){grid-column:span 2}
 .next-inner{display:block}
 .button-row{margin-top:22px}
 footer{margin-top:70px;padding-top:43px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
 .container{padding:0 16px}
 .topbar{padding:0 16px}
 .path{max-width:210px;overflow:hidden;text-overflow:ellipsis}
 .status{font-size:11px;padding:4px 8px}
 h1{font-size:34px}
 .head-content>p{font-size:15px}
 .tag-row{gap:7px}
 .rule-card{border-radius:18px}
 .matrix{grid-template-columns:1fr}
 .matrix a:nth-child(4){grid-column:auto}
 .faq-q{padding:17px}
 .faq-a p{padding:0 17px 18px}
 .footer-grid{grid-template-columns:1fr}
 .footer-brand{grid-column:auto}
 .copyright{display:block}
 .copyright span{display:block;margin-bottom:5px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
 --bg:#07111f;--bg-deep:#050b14;--surface:#0c1b2c;--surface-2:#10243a;
 --glass:rgba(16,35,57,.68);--glass-strong:rgba(13,29,48,.9);
 --line:rgba(152,192,220,.16);--line-bright:rgba(101,225,255,.43);
 --text:#eff8ff;--muted:#9cafc1;--soft:#c6d5e2;--cyan:#62ddf7;
 --cyan-deep:#1a9fc3;--violet:#a88bff;--coral:#d98b9b;--green:#79d5bc;
 --radius-xl:30px;--radius-lg:22px;--radius:16px;--radius-sm:11px;
 --shadow:0 22px 54px rgba(0,0,0,.27);--sidebar:250px;
 --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;overflow-x:hidden}
body:before{content:"";position:fixed;z-index:-2;inset:0;background:linear-gradient(115deg,#07111f 0%,#071421 55%,#08101c 100%)}
body:after{content:"";position:fixed;z-index:-1;width:680px;height:680px;right:-210px;top:-130px;border-radius:50%;background:radial-gradient(circle,rgba(55,158,204,.12),transparent 69%);pointer-events:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
button,a,input{outline:none}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);z-index:30;padding:27px 16px 20px;background:rgba(5,13,24,.84);border-right:1px solid var(--line);backdrop-filter:blur(18px);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:0 9px 28px;border-bottom:1px solid var(--line);font-size:15px;font-weight:750;letter-spacing:.03em;line-height:1.35}
.brand-mark{width:31px;height:31px;border-radius:11px;position:relative;border:1px solid rgba(98,221,247,.55);background:linear-gradient(135deg,rgba(98,221,247,.2),rgba(168,139,255,.18));box-shadow:inset 0 0 18px rgba(98,221,247,.12)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid var(--cyan);border-radius:50%}
.brand-mark:before{width:12px;height:12px;left:5px;top:8px}
.brand-mark:after{width:12px;height:12px;right:5px;top:8px;border-color:var(--violet)}
.nav-label{color:#738ba0;font-size:11px;letter-spacing:.16em;margin:24px 10px 10px}
.side-nav{display:grid;gap:7px}
.side-nav a{display:flex;align-items:center;gap:12px;padding:12px 11px;border:1px solid transparent;border-radius:13px;color:var(--muted);font-size:14px;transition:.22s ease}
.side-nav a:hover{background:rgba(98,221,247,.07);color:var(--text);border-color:var(--line)}
.side-nav a.active{background:linear-gradient(105deg,rgba(98,221,247,.17),rgba(168,139,255,.09));color:var(--text);border-color:rgba(98,221,247,.32);box-shadow:inset 0 0 18px rgba(98,221,247,.05)}
.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.side-note{margin:25px 8px 0;padding:14px 13px;border:1px solid var(--line);border-radius:14px;background:rgba(98,221,247,.045);font-size:12px;color:var(--muted);line-height:1.65}
.side-note b{display:block;color:var(--soft);font-size:12px;margin-bottom:3px}
.side-bottom{margin-top:auto;padding:17px 9px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.side-bottom a{display:block;margin-top:8px;transition:color .2s}
.side-bottom a:hover{color:var(--cyan)}
.main{margin-left:var(--sidebar);min-width:0}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,60px);border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
.crumb{display:flex;align-items:center;gap:9px;white-space:nowrap}
.crumb span{color:#687f94}
.status{display:inline-flex;align-items:center;gap:7px;color:#b9e7dd;border:1px solid rgba(121,213,188,.25);background:rgba(121,213,188,.08);border-radius:999px;padding:4px 10px;font-size:12px}
.status:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.menu{display:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:8px 10px}
.container{width:min(100%,1380px);margin:auto;padding:0 clamp(22px,4vw,62px)}
.page-head{position:relative;overflow:hidden;margin-top:28px;padding:clamp(30px,5vw,58px);border:1px solid var(--line);border-radius:var(--radius-xl);background:linear-gradient(125deg,rgba(15,38,61,.88),rgba(8,19,34,.79));box-shadow:var(--shadow)}
.page-head:before{content:"";position:absolute;inset:0;opacity:.28;background-image:linear-gradient(rgba(130,194,221,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(130,194,221,.11) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,#000,transparent 85%)}
.page-head>*{position:relative}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(98,221,247,.25);background:rgba(98,221,247,.08);color:#b8effa;border-radius:999px;padding:5px 11px;font-size:12px;line-height:1.4}
.eyebrow:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{max-width:820px;font-size:clamp(37px,5vw,59px);letter-spacing:-.055em;line-height:1.18;margin:17px 0}
h2{font-size:clamp(27px,3.1vw,39px);letter-spacing:-.04em;line-height:1.3;margin-bottom:13px}
h3{font-size:19px;line-height:1.45;margin-bottom:8px}
.page-head p{max-width:750px;color:#bdd0df;font-size:17px;margin-bottom:23px}
.tag-row{display:flex;gap:9px;flex-wrap:wrap}
.tag{font-size:12px;color:var(--soft);border:1px solid var(--line);background:rgba(7,17,31,.35);padding:5px 10px;border-radius:999px}
.tag.violet{border-color:rgba(168,139,255,.28);color:#d3c7ff}
.tag.green{border-color:rgba(121,213,188,.27);color:#b8e8da}
section{padding:82px 0}
.section-kicker{color:var(--cyan);font-size:12px;font-weight:700;letter-spacing:.13em;margin-bottom:9px}
.section-head{max-width:680px;margin-bottom:30px}
.section-head p{color:var(--muted);margin-bottom:0}
.browse-layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:24px;align-items:start}
.filters{position:sticky;top:24px;padding:20px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.filter-title{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;margin-bottom:15px;border-bottom:1px solid var(--line);font-weight:700}
.clear{font-size:12px;color:var(--cyan)}
.filter-group{padding:14px 0;border-bottom:1px solid var(--line)}
.filter-group:last-child{border-bottom:0;padding-bottom:0}
.filter-group b{font-size:13px;color:var(--soft);display:block;margin-bottom:10px}
.filter-options{display:grid;gap:7px}
.filter-options button{border:1px solid transparent;background:transparent;color:var(--muted);text-align:left;padding:7px 9px;border-radius:9px;font-size:13px;transition:.2s}
.filter-options button:hover,.filter-options button.selected{border-color:rgba(98,221,247,.28);background:rgba(98,221,247,.08);color:var(--text)}
.filter-options button.selected:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:8px;vertical-align:middle}
.content-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.topic-card{position:relative;overflow:hidden;border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow);backdrop-filter:blur(12px);border-radius:var(--radius-lg);transition:transform .25s,border-color .25s,background .25s}
.topic-card:hover{transform:translateY(-5px);border-color:var(--line-bright);background:rgba(17,39,63,.83)}
.topic-card.featured{grid-column:span 2;display:grid;grid-template-columns:1.12fr .88fr;min-height:312px}
.cover{min-height:165px;position:relative;overflow:hidden;background:#10283d}
.cover:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(98,221,247,.22),transparent 45%,rgba(168,139,255,.2));z-index:1}
.cover:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(206,245,255,.38);border-radius:32px;transform:rotate(26deg);right:18px;top:22px;box-shadow:0 0 0 24px rgba(98,221,247,.05),0 0 0 52px rgba(168,139,255,.035)}
.cover-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(195,236,255,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(195,236,255,.13) 1px,transparent 1px);background-size:25px 25px;opacity:.55}
.cover-lines{position:absolute;z-index:2;left:24px;bottom:23px;width:56%;display:grid;gap:9px}
.cover-lines i{height:7px;display:block;border-radius:99px;background:rgba(239,248,255,.74)}
.cover-lines i:nth-child(2){width:72%;background:rgba(98,221,247,.7)}
.cover-lines i:nth-child(3){width:44%;background:rgba(168,139,255,.66)}
.card-body{padding:20px}
.featured .card-body{padding:31px;display:flex;flex-direction:column;justify-content:center}
.card-meta{display:flex;justify-content:space-between;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin-bottom:13px}
.card-meta span:last-child{white-space:nowrap}
.card-body p{color:var(--muted);font-size:14px;margin-bottom:17px}
.card-link{font-size:13px;font-weight:700;color:var(--cyan);display:inline-flex;gap:7px;align-items:center}
.card-link span{transition:transform .2s}
.topic-card:hover .card-link span{transform:translateX(4px)}
.index-card{padding:22px;min-height:192px;display:flex;flex-direction:column;justify-content:space-between}
.index-no{color:rgba(98,221,247,.5);font-size:12px;letter-spacing:.12em}
.notice-band{grid-column:span 2;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 23px;border:1px solid rgba(168,139,255,.26);border-radius:var(--radius-lg);background:linear-gradient(105deg,rgba(168,139,255,.11),rgba(98,221,247,.07));color:var(--soft)}
.notice-band p{margin:0;font-size:14px}
.notice-icon{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:13px;border:1px solid rgba(168,139,255,.34);color:#d7ccff;background:rgba(168,139,255,.1)}
.load-row{grid-column:span 2;display:flex;justify-content:center;padding:14px 0 0}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 18px;border-radius:12px;border:1px solid var(--line);font-weight:700;font-size:14px;transition:transform .22s,background .22s,border-color .22s,box-shadow .22s;background:rgba(11,27,44,.56);color:var(--text)}
.btn:hover{transform:translateY(-3px);border-color:var(--line-bright);background:rgba(98,221,247,.1)}
.related-strip{display:flex;gap:14px;overflow:auto;padding:3px 2px 13px;scrollbar-color:var(--cyan) transparent}
.related-card{min-width:245px;flex:1;padding:19px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(12,27,44,.6);transition:.2s}
.related-card:hover{border-color:var(--line-bright);transform:translateY(-3px)}
.related-card p{margin:7px 0 0;color:var(--muted);font-size:13px}
.rule-box{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:23px;border:1px solid rgba(121,213,188,.24);border-radius:var(--radius-lg);background:rgba(121,213,188,.055)}
.rule-box svg{width:26px;height:26px;stroke:var(--green);fill:none;stroke-width:1.6}
.rule-box h3{margin:0 0 5px}
.rule-box p{margin:0;color:var(--muted);font-size:14px}
.faq-wrap{border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;background:var(--glass);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-question{width:100%;border:0;background:transparent;color:var(--text);padding:20px 23px;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:700;font-size:15px}
.faq-question i{font-style:normal;color:var(--cyan);font-size:24px;font-weight:300;transition:transform .22s}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-answer p{padding:0 23px 20px;margin:0;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{max-height:160px}
.faq-item.open .faq-question i{transform:rotate(45deg)}
.cta{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:32px 37px;border-radius:var(--radius-xl)}
.cta:after{content:"";position:absolute;width:240px;height:240px;right:-65px;bottom:-130px;border-radius:50%;border:1px solid rgba(98,221,247,.26);box-shadow:0 0 0 24px rgba(98,221,247,.04),0 0 0 52px rgba(168,139,255,.03)}
.cta>*{position:relative;z-index:1}
.cta h2{margin:0 0 6px;font-size:28px}
.cta p{margin:0;color:var(--muted)}
footer{margin-top:96px;padding:55px 0 20px;border-top:1px solid var(--line);background:rgba(4,11,20,.48)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer-brand{font-size:18px;font-weight:750}
.footer-brand p{font-weight:400;color:var(--muted);font-size:14px;margin:8px 0 0}
.footer-col h3{font-size:13px;color:var(--soft);margin:2px 0 12px}
.footer-col a{display:block;color:var(--muted);font-size:14px;margin:7px 0;transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.copyright{border-top:1px solid var(--line);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#71879a;font-size:12px}
.drawer-mask{display:none}
@media(max-width:960px){
 body.drawer-open{overflow:hidden}
 .sidebar{transform:translateX(-105%);transition:transform .25s ease;width:min(290px,82vw);box-shadow:20px 0 50px rgba(0,0,0,.35)}
 .sidebar.open{transform:translateX(0)}
 .drawer-mask.open{display:block;position:fixed;z-index:25;inset:0;background:rgba(0,0,0,.56);backdrop-filter:blur(3px)}
 .main{margin-left:0}
 .menu{display:inline-flex;align-items:center;gap:7px}
 .topbar{height:62px}
 .browse-layout{grid-template-columns:1fr}
 .filters{position:static;display:flex;gap:10px;overflow:auto;padding:12px;align-items:center}
 .filter-title{display:none}
 .filter-group{padding:0;border:0;flex:none}
 .filter-group b{display:none}
 .filter-options{display:flex;gap:7px}
 .filter-options button{white-space:nowrap;padding:7px 10px}
 .filter-options button:not(.selected){display:none}
}
@media(max-width:768px){
 .page-head{margin-top:17px;border-radius:22px}
 section{padding:60px 0}
 .content-flow{grid-template-columns:1fr}
 .topic-card.featured{grid-column:span 1;grid-template-columns:1fr}
 .topic-card.featured .cover{min-height:205px}
 .featured .card-body{padding:23px}
 .notice-band,.load-row{grid-column:span 1}
 .notice-band{align-items:flex-start}
 .cta{padding:27px;display:block}
 .cta .btn{margin-top:19px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-brand{grid-column:span 2}
}
@media(max-width:520px){
 .container{padding:0 17px}
 .topbar{padding:0 17px}
 .topbar .status{font-size:11px;padding:4px 8px}
 .crumb{font-size:12px;max-width:54%;overflow:hidden;text-overflow:ellipsis}
 h1{font-size:36px}
 .page-head p{font-size:15px}
 .card-body,.index-card{padding:18px}
 .rule-box{padding:18px}
 .footer-grid{grid-template-columns:1fr;gap:25px}
 .footer-brand{grid-column:auto}
 .copyright{display:block}
 .copyright span{display:block;margin:4px 0}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}