/* roulang page: index */
:root{
            --ink:#171716;
            --ink-soft:#252422;
            --paper:#fffaf1;
            --paper-deep:#f5eee2;
            --orange:#f2552f;
            --orange-dark:#d93d20;
            --lime:#d8ef55;
            --teal:#24b7a3;
            --cream:#fff4d9;
            --muted:#756f68;
            --line:#e7dccd;
            --white:#ffffff;
            --radius:18px;
            --radius-sm:11px;
            --shadow:0 18px 45px rgba(42,29,16,.10);
            --shadow-dark:0 18px 50px rgba(0,0,0,.22);
            --max:1200px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
        .notice{background:var(--orange);color:#fff;padding:8px 0;font-size:13px}
        .notice-inner{display:flex;align-items:center;justify-content:center;gap:12px;position:relative}
        .notice-badge{background:var(--ink);padding:2px 9px;border-radius:30px;font-size:11px;letter-spacing:.08em}
        .notice-close{position:absolute;right:0;border:0;background:none;color:#fff;font-size:20px;line-height:1}
        header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.1)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:38px;height:38px;background:var(--orange);display:grid;place-items:center;border-radius:10px 10px 10px 3px;font-weight:900;font-size:18px;transform:rotate(-5deg)}
        .brand-text{font-weight:800;line-height:1.2;font-size:17px}
        .brand-text small{display:block;color:#b9b4ac;font-size:10px;font-weight:500;margin-top:4px;letter-spacing:.06em}
        nav{display:flex;align-items:center;gap:6px;flex:1}
        nav a{padding:10px 14px;border-radius:9px;color:#d3cec7;font-size:14px;transition:.25s ease}
        nav a:hover,nav a:focus,nav a.active{color:#fff;background:rgba(242,85,47,.16)}
        nav a.active{box-shadow:inset 0 -2px var(--orange)}
        .nav-action{white-space:nowrap;background:var(--lime);color:var(--ink);font-weight:800;padding:11px 18px;border-radius:9px;transition:.25s}
        .nav-action:hover{background:#e8fb7a;transform:translateY(-2px)}
        .menu-toggle{display:none;background:none;border:1px solid #655f58;color:#fff;border-radius:8px;padding:7px 10px}
        .hero{background:var(--ink);color:#fff;overflow:hidden;padding:76px 0 92px;position:relative}
        .hero::before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(216,239,85,.2);border-radius:50%;right:-180px;top:-190px}
        .hero::after{content:"";position:absolute;width:250px;height:250px;background:var(--orange);opacity:.12;transform:rotate(28deg);right:13%;bottom:-150px}
        .hero-grid{display:grid;grid-template-columns:1fr .88fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.05em;margin-bottom:20px}
        .eyebrow::before{content:"";width:25px;height:3px;background:var(--orange)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.15;letter-spacing:-.045em;margin-bottom:24px;max-width:730px}
        .hero-copy{color:#c8c1b8;max-width:590px;font-size:17px;margin-bottom:32px}
        .hero-buttons{display:flex;gap:13px;flex-wrap:wrap}
        .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 21px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff}
        .btn-primary:hover{background:#ff704b;transform:translateY(-2px);box-shadow:0 9px 20px rgba(242,85,47,.25)}
        .btn-light{border-color:#615b54;color:#fff;background:transparent}
        .btn-light:hover{border-color:var(--lime);color:var(--lime)}
        .hero-art{min-height:375px;position:relative}
        .art-panel{position:absolute;background:#292724;border:1px solid #4d4842;border-radius:20px;box-shadow:var(--shadow-dark)}
        .art-main{inset:22px 18px 20px 42px;padding:24px;transform:rotate(3deg)}
        .art-main::after{content:"";position:absolute;right:-30px;bottom:-25px;width:120px;height:120px;background:var(--orange);border-radius:50%}
        .art-top{display:flex;justify-content:space-between;align-items:center;color:#aaa39a;font-size:12px}
        .art-title{font-size:28px;line-height:1.25;font-weight:900;margin:45px 0 18px;max-width:250px}
        .art-line{height:9px;width:65%;background:var(--orange);border-radius:10px;margin-bottom:12px}
        .art-line.short{width:38%;background:var(--lime)}
        .art-mini{width:180px;left:0;bottom:0;padding:17px;background:var(--cream);color:var(--ink);transform:rotate(-8deg)}
        .mini-number{font-size:34px;font-weight:900;line-height:1;color:var(--orange)}
        .art-chip{right:4px;top:0;background:var(--teal);color:var(--ink);padding:12px 15px;border-radius:9px;font-size:12px;font-weight:900;transform:rotate(8deg)}
        section{padding:96px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
        .section-head h2{font-size:clamp(28px,3.5vw,43px);line-height:1.2;letter-spacing:-.03em;margin-bottom:8px}
        .section-head p{color:var(--muted);margin-bottom:0;max-width:570px}
        .text-link{color:var(--orange-dark);font-weight:800;font-size:14px;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .quick{padding:22px 0;background:var(--lime)}
        .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(23,23,22,.15)}
        .quick-item{background:var(--lime);padding:18px 22px;display:flex;gap:13px;align-items:center}
        .quick-icon{width:34px;height:34px;background:var(--ink);color:var(--lime);border-radius:8px;display:grid;place-items:center;font-weight:900}
        .quick-item strong{display:block;font-size:15px;line-height:1.25}
        .quick-item span{display:block;font-size:12px;color:#596017;margin-top:3px}
        .download{background:var(--paper-deep)}
        .download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}
        .device-stage{height:420px;background:var(--ink);border-radius:24px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
        .device-stage::before{content:"C7";position:absolute;font-size:180px;font-weight:900;color:rgba(242,85,47,.12);left:-10px;bottom:-35px}
        .phone{width:205px;height:365px;background:#111;border:7px solid #3a3733;border-radius:29px;transform:rotate(-7deg);box-shadow:18px 20px 0 rgba(0,0,0,.2);padding:10px;position:relative;z-index:1}
        .phone-screen{height:100%;border-radius:18px;background:var(--cream);overflow:hidden;color:var(--ink);padding:17px 13px}
        .phone-screen strong{font-size:20px;display:block;line-height:1.2;margin:20px 0}
        .screen-card{height:92px;background:var(--orange);border-radius:12px;margin-bottom:11px}
        .screen-row{height:11px;background:#d1c6b4;border-radius:5px;margin:9px 0;width:80%}
        .screen-row:nth-child(3){width:55%;background:var(--teal)}
        .download h2{font-size:42px;line-height:1.2;margin-bottom:16px}
        .download-copy{color:var(--muted);margin-bottom:24px}
        .version{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 28px}
        .pill{border:1px solid var(--line);border-radius:30px;padding:6px 12px;font-size:13px;color:#625c55;background:#fffaf3}
        .pill b{color:var(--orange-dark)}
        .download-note{font-size:13px;color:var(--muted);margin-top:13px}
        .updates{background:var(--paper)}
        .updates-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px}
        .feature-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:32px;min-height:330px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
        .feature-card::before{content:"01";position:absolute;right:25px;top:15px;color:var(--orange);font-size:78px;font-weight:900;opacity:.5}
        .feature-card::after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(216,239,85,.3);border-radius:50%;right:-70px;bottom:-60px}
        .feature-card>*{position:relative;z-index:1}
        .tag{display:inline-block;width:max-content;color:var(--ink);background:var(--lime);font-size:12px;font-weight:800;border-radius:5px;padding:3px 9px;margin-bottom:14px}
        .feature-card h3{font-size:29px;line-height:1.35;max-width:540px;margin-bottom:10px}
        .feature-card p{color:#bdb6ae;margin-bottom:18px;max-width:540px}
        .feature-meta{display:flex;gap:18px;color:#aaa39a;font-size:12px}
        .update-list{border-top:1px solid var(--line)}
        .update-item{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:66px 1fr;gap:15px}
        .update-date{color:var(--orange-dark);font-weight:900;font-size:14px;line-height:1.25}
        .update-date small{display:block;color:var(--muted);font-weight:500;font-size:11px;margin-top:4px}
        .update-item h3{font-size:17px;line-height:1.45;margin-bottom:4px}
        .update-item p{font-size:13px;color:var(--muted);margin-bottom:0}
        .empty-state{background:#fff;border:1px dashed #d7cabb;border-radius:var(--radius);padding:58px 30px;text-align:center;color:var(--muted)}
        .empty-state strong{display:block;color:var(--ink);font-size:20px;margin-bottom:8px}
        .topics{background:#fff}
        .topic-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:22px}
        .topic-intro{background:var(--orange);border-radius:var(--radius);padding:30px;color:#fff;min-height:300px}
        .topic-intro h3{font-size:28px;line-height:1.25;margin:30px 0 12px}
        .topic-intro p{color:#ffe4dc}
        .topic-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .topic-card{border:1px solid var(--line);border-radius:var(--radius-sm);padding:23px;transition:.25s}
        .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--orange)}
        .topic-card .number{color:var(--teal);font-weight:900;font-size:13px}
        .topic-card h3{font-size:19px;margin:12px 0 6px}
        .topic-card p{font-size:13px;color:var(--muted);margin-bottom:16px}
        .faq{background:var(--paper-deep)}
        .faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:20px 0}
        summary{cursor:pointer;list-style:none;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:20px}
        summary::-webkit-details-marker{display:none}
        summary::after{content:"+";color:var(--orange);font-size:24px;font-weight:400;line-height:1}
        details[open] summary::after{content:"−"}
        details p{color:var(--muted);padding:13px 40px 0 0;margin-bottom:0;font-size:14px}
        .cta{padding:30px 0 96px;background:var(--paper-deep)}
        .cta-box{background:var(--ink);color:#fff;border-radius:var(--radius);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;overflow:hidden}
        .cta-box::after{content:"";position:absolute;width:180px;height:180px;border:28px solid var(--orange);border-radius:50%;right:8%;top:-105px;opacity:.8}
        .cta-box>*{position:relative;z-index:1}
        .cta-box h2{font-size:30px;margin-bottom:7px}
        .cta-box p{color:#bcb5ac;margin-bottom:0}
        footer{background:#111110;color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:45px}
        footer .brand{min-width:0;align-items:flex-start}
        footer .brand-text{font-size:16px}
        .footer-desc{color:#918b83;font-size:13px;max-width:275px;margin-top:18px}
        .footer-col h3{font-size:14px;margin:0 0 16px;color:var(--lime)}
        .footer-col a{display:block;color:#a9a39b;font-size:13px;margin:9px 0;transition:.2s}
        .footer-col a:hover{color:#fff}
        .footer-bottom{border-top:1px solid #302e2b;padding-top:20px;color:#77716a;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:992px){
            .nav-wrap{gap:18px}.brand{min-width:210px}nav a{padding:9px 8px}
            .hero-grid,.download-grid{gap:40px}.hero{padding:62px 0 75px}
            .quick-grid{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
            .footer-grid .footer-col:last-child{display:none}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--max))}
            .nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}
            nav{display:none;position:absolute;left:16px;right:16px;top:76px;background:#242320;padding:12px;border-radius:12px;box-shadow:var(--shadow-dark);flex-direction:column;align-items:stretch}
            nav.open{display:flex}nav a{padding:13px 15px}.nav-action{padding:9px 12px;font-size:13px}
            .brand{min-width:0}.brand-text{font-size:14px}.brand-text small{display:none}.brand-mark{width:34px;height:34px}
            .hero-grid,.download-grid,.updates-grid,.topic-layout{grid-template-columns:1fr}
            .hero-art{min-height:330px;max-width:520px;width:100%;margin:0 auto}
            h1{font-size:42px}.hero-copy{font-size:16px}
            section{padding:64px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}
            .download h2{font-size:34px}.device-stage{height:370px}
            .topic-stack{grid-template-columns:1fr}
            .cta{padding-bottom:64px}.cta-box{display:block;padding:32px 25px}.cta-box .btn{margin-top:22px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid .footer-col:last-child{display:block}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .notice-inner{padding-right:25px;text-align:center;font-size:12px}
            .brand-text{max-width:150px;font-size:13px}.nav-action{font-size:12px;padding:8px 10px}
            h1{font-size:35px}.hero{padding-top:48px}.hero-buttons .btn{width:100%}
            .hero-art{min-height:275px}.art-main{inset:17px 8px 16px 25px;padding:17px}.art-title{font-size:22px;margin-top:35px}
            .art-mini{width:145px;padding:13px}.mini-number{font-size:27px}
            .quick-grid{grid-template-columns:1fr}.quick-item{padding:15px 16px}
            .feature-card{min-height:350px;padding:24px}.feature-card h3{font-size:24px}
            .update-item{grid-template-columns:57px 1fr}.update-item h3{font-size:15px}
            .footer-grid{grid-template-columns:1fr}.footer-grid .footer-col:last-child{display:none}
            .download-grid{gap:28px}
        }

/* roulang page: article */
:root{
            --ink:#171716;
            --ink-soft:#252422;
            --paper:#fffaf1;
            --paper-deep:#f5eee2;
            --orange:#f2552f;
            --orange-dark:#d93d20;
            --lime:#d8ef55;
            --teal:#24b7a3;
            --cream:#fff4d9;
            --muted:#756f68;
            --line:#e7dccd;
            --white:#fff;
            --radius:18px;
            --radius-sm:11px;
            --shadow:0 18px 45px rgba(42,29,16,.10);
            --shadow-dark:0 18px 50px rgba(0,0,0,.22);
            --max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
        .notice{background:var(--orange);color:#fff;font-size:13px;padding:7px 0}
        .notice-inner{display:flex;align-items:center;justify-content:center;gap:10px}
        .notice-badge{background:var(--ink);padding:2px 9px;border-radius:30px;font-size:11px;letter-spacing:.08em}
        header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.1)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:38px;height:38px;background:var(--orange);display:grid;place-items:center;border-radius:10px 10px 10px 3px;font-weight:900;font-size:18px;transform:rotate(-5deg)}
        .brand-text{font-weight:800;line-height:1.2;font-size:17px}
        .brand-text small{display:block;color:#b9b4ac;font-size:10px;font-weight:500;margin-top:4px;letter-spacing:.06em}
        nav{display:flex;align-items:center;gap:6px;flex:1}
        nav a{padding:10px 14px;border-radius:9px;color:#d3cec7;font-size:14px;transition:.25s ease}
        nav a:hover,nav a:focus,nav a.active{color:#fff;background:rgba(242,85,47,.16)}
        nav a.active{box-shadow:inset 0 -2px var(--orange)}
        .nav-action{white-space:nowrap;background:var(--lime);color:var(--ink);font-weight:800;padding:11px 18px;border-radius:9px;transition:.25s}
        .nav-action:hover{background:#e8fb7a;transform:translateY(-2px)}
        .menu-toggle{display:none;background:none;border:1px solid #655f58;color:#fff;border-radius:8px;padding:7px 10px}
        .page-hero{background:var(--ink);color:#fff;padding:62px 0 72px;position:relative;overflow:hidden}
        .page-hero:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(216,239,85,.2);border-radius:50%;right:-130px;top:-190px}
        .page-hero:after{content:"";position:absolute;width:180px;height:180px;background:var(--orange);opacity:.18;transform:rotate(35deg);right:22%;bottom:-125px}
        .hero-inner{position:relative;z-index:1;max-width:850px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.05em;margin-bottom:18px}
        .eyebrow:before{content:"";width:25px;height:3px;background:var(--orange)}
        h1{font-size:clamp(32px,5vw,62px);line-height:1.18;letter-spacing:-.04em;margin:0 0 20px;font-weight:900}
        .hero-summary{color:#c8c1b8;font-size:18px;max-width:760px;margin:0}
        .meta-line{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px;color:#ada69d;font-size:13px}
        .meta-line strong{color:var(--lime);font-weight:700}
        .crumbs{background:var(--paper-deep);border-bottom:1px solid var(--line)}
        .crumbs .container{padding:15px 0;color:var(--muted);font-size:13px}
        .crumbs a{color:var(--orange-dark);font-weight:700}
        .crumbs span{margin:0 9px;color:#b8aa9a}
        main{padding:76px 0 100px}
        .article-layout{display:grid;grid-template-columns:minmax(0,800px) 290px;gap:70px;align-items:start}
        .article-body{min-width:0}
        .intro-card{background:var(--cream);border-left:5px solid var(--orange);padding:22px 25px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-bottom:38px;color:#514a43}
        .intro-card b{display:block;color:var(--ink);font-size:14px;margin-bottom:5px}
        .content-shell{font-size:17px;color:#443e38}
        .content-shell h2{font-size:30px;line-height:1.3;margin:42px 0 16px;color:var(--ink);font-weight:900}
        .content-shell h3{font-size:22px;line-height:1.4;margin:30px 0 12px;color:var(--ink);font-weight:800}
        .content-shell p{margin:0 0 20px}
        .content-shell ul,.content-shell ol{padding-left:1.5em;margin:0 0 24px}
        .content-shell li{padding-left:5px;margin:7px 0}
        .content-shell blockquote{margin:30px 0;padding:20px 24px;background:#fff;border-radius:var(--radius-sm);border-left:4px solid var(--teal);color:#5d554e}
        .content-shell table{width:100%;border-collapse:collapse;margin:28px 0;background:#fff;font-size:15px}
        .content-shell th,.content-shell td{padding:12px 15px;border:1px solid var(--line);text-align:left}
        .content-shell th{background:var(--paper-deep);color:var(--ink);font-weight:800}
        .content-shell img{border-radius:var(--radius-sm);margin:28px auto}
        .content-shell figcaption{text-align:center;color:var(--muted);font-size:13px;margin-top:-18px}
        .side-stack{position:sticky;top:105px}
        .side-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:25px;margin-bottom:18px;box-shadow:var(--shadow-dark)}
        .side-card h2{font-size:20px;line-height:1.35;margin:0 0 12px}
        .side-card p{color:#bcb5ac;font-size:14px;margin:0 0 20px}
        .side-card .btn{width:100%}
        .side-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
        .side-list h2{font-size:18px;margin:0 0 13px}
        .side-list a{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:700;transition:.2s}
        .side-list a:last-child{border-bottom:0}
        .side-list a:hover{color:var(--orange-dark);padding-left:5px}
        .side-list small{display:block;color:var(--muted);font-weight:400;margin-top:2px}
        .article-end{display:flex;justify-content:space-between;gap:18px;align-items:center;border-top:1px solid var(--line);margin-top:48px;padding-top:28px}
        .article-end p{margin:0;color:var(--muted);font-size:14px}
        .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 21px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff}
        .btn-primary:hover{background:#ff704b;transform:translateY(-2px);box-shadow:0 9px 20px rgba(242,85,47,.25)}
        .btn-light{border-color:#615b54;color:#fff;background:transparent}
        .btn-light:hover{border-color:var(--lime);color:var(--lime)}
        .download-strip{margin-top:78px;background:var(--ink-soft);color:#fff;border-radius:var(--radius);padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .download-strip h2{font-size:24px;margin:0 0 5px}
        .download-strip p{margin:0;color:#bcb5ac;font-size:14px}
        .faq-section{background:var(--paper-deep);padding:78px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
        .section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.2;margin:0 0 8px}
        .section-head p{color:var(--muted);margin:0;max-width:580px}
        .faq-list{max-width:850px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:11px;overflow:hidden}
        .faq-item summary{padding:17px 22px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";color:var(--orange);font-size:24px;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 22px 19px;color:var(--muted);font-size:15px}
        .empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:55px 30px;text-align:center}
        .empty-state h2{margin:0 0 10px;font-size:28px}
        .empty-state p{color:var(--muted);margin:0 0 22px}
        footer{background:var(--ink);color:#fff;padding:60px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}
        .footer-desc{color:#a9a39b;max-width:280px;font-size:14px;margin-top:20px}
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h3{font-size:14px;color:var(--lime);margin:4px 0 8px}
        .footer-col a{color:#bbb4ac;font-size:14px;transition:.2s}
        .footer-col a:hover{color:#fff;padding-left:4px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:20px;color:#8d8780;font-size:12px}
        @media(max-width:992px){
            .nav-wrap{gap:15px}.brand{min-width:220px}
            .article-layout{grid-template-columns:1fr;gap:40px}
            .side-stack{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
            .side-card,.side-list{margin:0}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--max))}
            .notice-inner{justify-content:flex-start}
            .nav-wrap{height:68px}
            nav{display:none;position:absolute;left:16px;right:16px;top:76px;background:var(--ink-soft);padding:12px;border:1px solid #49443f;border-radius:13px;flex-direction:column;align-items:stretch}
            nav.open{display:flex}
            nav a{padding:13px 15px}
            .nav-action{margin-left:auto;padding:9px 12px;font-size:13px}
            .menu-toggle{display:block}
            .brand{min-width:0}.brand-text{font-size:14px}.brand-text small{font-size:9px}
            .page-hero{padding:48px 0 55px}
            .meta-line{margin-top:20px}
            main{padding:52px 0 65px}
            .side-stack{display:block}
            .side-card,.side-list{margin-bottom:18px}
            .download-strip{align-items:flex-start;flex-direction:column;padding:25px}
            .faq-section{padding:58px 0}
            .footer-grid{grid-template-columns:1fr 1fr}
            .footer-grid>div:first-child{grid-column:1/-1}
            .footer-bottom{flex-direction:column;gap:5px}
        }
        @media(max-width:520px){
            h1{font-size:34px}
            .hero-summary{font-size:16px}
            .article-body{font-size:16px}
            .content-shell h2{font-size:25px}
            .article-end{align-items:flex-start;flex-direction:column}
            .article-end .btn{width:100%}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
            .brand{gap:8px}.brand-mark{width:34px;height:34px;font-size:16px}
            .nav-action{font-size:12px;padding:8px 9px}
        }

/* roulang page: category1 */
:root{
            --ink:#171716;
            --ink-soft:#252422;
            --paper:#fffaf1;
            --paper-deep:#f5eee2;
            --orange:#f2552f;
            --orange-dark:#d93d20;
            --lime:#d8ef55;
            --teal:#24b7a3;
            --cream:#fff4d9;
            --muted:#756f68;
            --line:#e7dccd;
            --white:#fff;
            --radius:18px;
            --radius-sm:11px;
            --shadow:0 18px 45px rgba(42,29,16,.10);
            --shadow-dark:0 18px 50px rgba(0,0,0,.22);
            --max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
        .notice{background:var(--orange);color:#fff;font-size:13px}
        .notice-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice-badge{background:var(--ink);padding:2px 9px;border-radius:30px;font-size:11px;letter-spacing:.08em;margin-right:9px}
        .notice-close{border:0;background:transparent;color:#fff;font-size:20px;line-height:1}
        header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.1)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:38px;height:38px;background:var(--orange);display:grid;place-items:center;border-radius:10px 10px 10px 3px;font-weight:900;font-size:18px;transform:rotate(-5deg)}
        .brand-text{font-weight:800;line-height:1.2;font-size:17px}
        .brand-text small{display:block;color:#b9b4ac;font-size:10px;font-weight:500;margin-top:4px;letter-spacing:.06em}
        nav{display:flex;align-items:center;gap:6px;flex:1}
        nav a{padding:10px 14px;border-radius:9px;color:#d3cec7;font-size:14px;transition:.25s ease}
        nav a:hover,nav a:focus,nav a.active{color:#fff;background:rgba(242,85,47,.16)}
        nav a.active{box-shadow:inset 0 -2px var(--orange)}
        .nav-action{white-space:nowrap;background:var(--lime);color:var(--ink);font-weight:800;padding:11px 18px;border-radius:9px;transition:.25s}
        .nav-action:hover{background:#e8fb7a;transform:translateY(-2px)}
        .menu-toggle{display:none;background:none;border:1px solid #655f58;color:#fff;border-radius:8px;padding:7px 10px}
        .page-hero{background:var(--ink);color:#fff;padding:74px 0 82px;position:relative;overflow:hidden}
        .page-hero:before{content:"资讯";position:absolute;right:8%;top:-54px;color:rgba(216,239,85,.08);font-size:210px;font-weight:900;line-height:1}
        .page-hero:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(36,183,163,.35);border-radius:50%;right:-110px;bottom:-180px}
        .hero-inner{position:relative;z-index:1;max-width:760px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.05em;margin-bottom:18px}
        .eyebrow:before{content:"";width:25px;height:3px;background:var(--orange)}
        h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.045em;margin:0 0 20px;font-weight:900}
        .hero-lead{color:#c8c1b8;font-size:18px;max-width:700px;margin:0}
        .crumbs{margin-top:28px;display:flex;align-items:center;gap:10px;color:#9e978e;font-size:13px}
        .crumbs a:hover{color:var(--lime)}
        section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
        .section-head h2{font-size:clamp(28px,3.5vw,43px);line-height:1.2;letter-spacing:-.03em;margin:0 0 8px}
        .section-head p{color:var(--muted);margin:0;max-width:600px}
        .text-link{color:var(--orange-dark);font-weight:800;font-size:14px;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
        .feature-news{background:var(--ink);color:#fff;border-radius:var(--radius);padding:36px;min-height:390px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end;box-shadow:var(--shadow-dark)}
        .feature-news:before{content:"01";position:absolute;right:24px;top:10px;font-size:90px;font-weight:900;color:rgba(242,85,47,.45)}
        .feature-news:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(216,239,85,.25);border-radius:50%;right:-90px;bottom:-90px}
        .feature-news>*{position:relative;z-index:1}
        .tag{display:inline-block;width:max-content;color:var(--ink);background:var(--lime);font-size:12px;font-weight:800;border-radius:5px;padding:3px 9px;margin-bottom:16px}
        .feature-news h3{font-size:29px;line-height:1.35;margin:0 0 12px;max-width:570px}
        .feature-news p{color:#c8c1b8;margin:0 0 20px;max-width:570px}
        .meta{font-size:13px;color:#a9a198;display:flex;gap:16px;flex-wrap:wrap}
        .news-list{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
        .news-item{background:#fffdf8;padding:24px 25px;display:flex;gap:18px;justify-content:space-between;align-items:flex-start;transition:.25s ease}
        .news-item:hover{background:var(--cream);padding-left:30px}
        .news-item h3{font-size:18px;line-height:1.45;margin:0 0 6px}
        .news-item p{font-size:14px;color:var(--muted);margin:0}
        .news-date{color:var(--orange-dark);font-size:12px;white-space:nowrap;font-weight:800}
        .topic-strip{background:var(--paper-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
        .topic{padding:28px 25px;border-right:1px solid var(--line);position:relative}
        .topic:last-child{border-right:0}
        .topic-number{color:var(--orange);font-size:13px;font-weight:900;letter-spacing:.1em}
        .topic h3{font-size:21px;margin:7px 0 6px}
        .topic p{font-size:14px;color:var(--muted);margin:0}
        .timeline{position:relative;max-width:920px;margin:0 auto}
        .timeline:before{content:"";position:absolute;left:104px;top:12px;bottom:12px;width:2px;background:var(--line)}
        .timeline-row{display:grid;grid-template-columns:104px 1fr;gap:35px;position:relative;margin-bottom:22px}
        .timeline-row:last-child{margin-bottom:0}
        .timeline-time{font-size:13px;font-weight:900;color:var(--orange-dark);padding-top:24px;text-align:right}
        .timeline-card{background:#fffdf8;border:1px solid var(--line);border-radius:var(--radius-sm);padding:23px 27px;position:relative;transition:.25s ease}
        .timeline-card:before{content:"";position:absolute;left:-42px;top:29px;width:14px;height:14px;background:var(--teal);border:4px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--teal)}
        .timeline-card:hover{transform:translateX(5px);border-color:var(--teal);box-shadow:var(--shadow)}
        .timeline-card h3{font-size:20px;margin:0 0 7px}
        .timeline-card p{color:var(--muted);font-size:14px;margin:0 0 12px}
        .status{display:inline-flex;align-items:center;gap:6px;color:#477a70;font-size:12px;font-weight:800}
        .status:before{content:"";width:7px;height:7px;background:var(--teal);border-radius:50%}
        .faq-section{background:var(--paper-deep)}
        .faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:20px 0}
        summary{cursor:pointer;list-style:none;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:20px}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";color:var(--orange);font-size:25px;font-weight:400;line-height:1}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);font-size:15px;margin:13px 38px 0 0}
        .cta{background:var(--orange);color:#fff;padding:58px 0}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:clamp(27px,4vw,43px);line-height:1.2;margin:0 0 8px}
        .cta p{margin:0;color:#ffe4db}
        .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 21px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff}
        .btn-primary:hover{background:#ff704b;transform:translateY(-2px);box-shadow:0 9px 20px rgba(242,85,47,.25)}
        .btn-dark{background:var(--ink);color:#fff}
        .btn-dark:hover{background:#3b3935;transform:translateY(-2px)}
        .cta .btn{background:var(--ink);color:#fff;white-space:nowrap}
        footer{background:var(--ink);color:#fff;padding:62px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px}
        .footer-desc{color:#aaa39a;font-size:14px;max-width:290px;margin:20px 0 0}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h3{font-size:14px;color:var(--lime);margin:0 0 8px}
        .footer-col a{color:#aaa39a;font-size:14px;transition:.2s}
        .footer-col a:hover{color:#fff;padding-left:4px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#89837b;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:992px){
            .nav-wrap{gap:18px}.brand{min-width:220px}
            nav a{padding:9px 9px;font-size:13px}
            .news-layout{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:25px}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 34px),var(--max))}
            .nav-wrap{height:70px}.brand{min-width:0;flex:1}.brand-text{font-size:14px}.brand-text small{font-size:9px}
            nav{display:none;position:absolute;left:17px;right:17px;top:78px;background:var(--ink);padding:14px;flex-direction:column;align-items:stretch;border:1px solid #403e3a;border-radius:0 0 14px 14px}
            nav.open{display:flex}nav a{padding:13px 15px}.nav-action{font-size:13px;padding:9px 12px}.menu-toggle{display:block}
            .page-hero{padding:56px 0 60px}.page-hero:before{font-size:120px;right:-8px;top:20px}
            section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:14px}
            .topic-grid{grid-template-columns:1fr}.topic{border-right:0;border-bottom:1px solid var(--line)}.topic:last-child{border-bottom:0}
            .timeline:before{left:8px}.timeline-row{grid-template-columns:1fr;gap:5px;padding-left:32px}.timeline-time{text-align:left;padding-top:0}.timeline-card:before{left:-31px;top:25px}
            .cta-inner{display:block}.cta .btn{margin-top:24px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
        }
        @media(max-width:480px){
            .notice-inner{font-size:12px}.notice-inner span:first-child{display:block}
            .nav-action{display:none}h1{font-size:40px}.hero-lead{font-size:16px}
            .feature-news{padding:26px;min-height:340px}.feature-news h3{font-size:24px}
            .news-item{display:block;padding:20px}.news-date{display:block;margin-top:9px}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category2 */
:root{
            --ink:#171716;
            --ink-soft:#252422;
            --paper:#fffaf1;
            --paper-deep:#f5eee2;
            --orange:#f2552f;
            --orange-dark:#d93d20;
            --lime:#d8ef55;
            --teal:#24b7a3;
            --cream:#fff4d9;
            --muted:#756f68;
            --line:#e7dccd;
            --white:#ffffff;
            --radius:18px;
            --radius-sm:11px;
            --shadow:0 18px 45px rgba(42,29,16,.10);
            --shadow-dark:0 18px 50px rgba(0,0,0,.22);
            --max:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
        .notice{background:var(--orange);color:#fff;padding:8px 0;font-size:13px}
        .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:18px}
        .notice-badge{background:var(--ink);padding:2px 9px;border-radius:30px;font-size:11px;letter-spacing:.08em;margin-right:8px}
        .notice-close{border:0;background:transparent;color:#fff;font-size:20px;line-height:1}
        header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.1)}
        .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:flex;align-items:center;gap:11px;min-width:245px}
        .brand-mark{width:38px;height:38px;background:var(--orange);display:grid;place-items:center;border-radius:10px 10px 10px 3px;font-weight:900;font-size:18px;transform:rotate(-5deg)}
        .brand-text{font-weight:800;line-height:1.2;font-size:17px}
        .brand-text small{display:block;color:#b9b4ac;font-size:10px;font-weight:500;margin-top:4px;letter-spacing:.06em}
        nav{display:flex;align-items:center;gap:6px;flex:1}
        nav a{padding:10px 14px;border-radius:9px;color:#d3cec7;font-size:14px;transition:.25s ease}
        nav a:hover,nav a:focus,nav a.active{color:#fff;background:rgba(242,85,47,.16)}
        nav a.active{box-shadow:inset 0 -2px var(--orange)}
        .nav-action{white-space:nowrap;background:var(--lime);color:var(--ink);font-weight:800;padding:11px 18px;border-radius:9px;transition:.25s}
        .nav-action:hover{background:#e8fb7a;transform:translateY(-2px)}
        .menu-toggle{display:none;background:none;border:1px solid #655f58;color:#fff;border-radius:8px;padding:7px 10px}
        .hero{background:var(--ink);color:#fff;overflow:hidden;padding:72px 0 82px;position:relative}
        .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(216,239,85,.2);border-radius:50%;right:-180px;top:-190px}
        .hero:after{content:"";position:absolute;width:260px;height:260px;background:var(--orange);opacity:.14;transform:rotate(28deg);left:-130px;bottom:-170px}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:center;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.05em;margin-bottom:18px}
        .eyebrow:before{content:"";width:25px;height:3px;background:var(--orange)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:-.055em;margin-bottom:22px;font-weight:900}
        .hero-copy{color:#c8c1b8;max-width:600px;font-size:17px;margin-bottom:30px}
        .hero-buttons{display:flex;gap:13px;flex-wrap:wrap}
        .btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 21px;font-weight:800;transition:.25s ease}
        .btn-primary{background:var(--orange);color:#fff}
        .btn-primary:hover{background:#ff704b;transform:translateY(-2px);box-shadow:0 9px 20px rgba(242,85,47,.25)}
        .btn-light{border-color:#615b54;color:#fff;background:transparent}
        .btn-light:hover{border-color:var(--lime);color:var(--lime)}
        .guide-board{position:relative;min-height:350px;background:#2b2926;border:1px solid #4a4540;border-radius:20px;padding:28px;box-shadow:var(--shadow-dark);transform:rotate(2deg)}
        .guide-board:before{content:"攻略索引";position:absolute;right:20px;top:20px;background:var(--teal);color:var(--ink);font-size:12px;font-weight:900;padding:6px 11px;border-radius:6px;transform:rotate(-7deg)}
        .board-line{height:1px;background:#514b45;margin:18px 0}
        .board-kicker{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.1em}
        .board-title{font-size:30px;line-height:1.25;font-weight:900;max-width:280px;margin:18px 0 28px}
        .board-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid #45413c;color:#e9e1d7}
        .board-number{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--ink);font-weight:900;font-size:13px}
        .board-item small{display:block;color:#aaa198;font-size:11px}
        section{padding:90px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
        .section-head h2{font-size:clamp(28px,3.5vw,43px);line-height:1.2;letter-spacing:-.03em;margin-bottom:8px}
        .section-head p{color:var(--muted);margin-bottom:0;max-width:570px}
        .text-link{color:var(--orange-dark);font-weight:800;font-size:14px;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .guide-path{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ink);border:1px solid var(--ink)}
        .path-item{background:var(--paper);padding:24px 22px;min-height:160px;transition:.25s ease}
        .path-item:hover{background:var(--cream);transform:translateY(-4px)}
        .path-item:nth-child(2){background:#f1f7d5}
        .path-item:nth-child(3){background:#e2f4ef}
        .path-item:nth-child(4){background:#ffe6dc}
        .path-no{font-size:13px;color:var(--orange-dark);font-weight:900;letter-spacing:.1em}
        .path-item h3{font-size:20px;margin:12px 0 7px}
        .path-item p{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:14px}
        .path-link{font-size:13px;font-weight:800;color:var(--orange-dark)}
        .feature-strip{background:var(--paper-deep)}
        .feature-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
        .feature-note{border-left:5px solid var(--orange);padding:8px 0 8px 24px}
        .feature-note h2{font-size:clamp(28px,4vw,48px);line-height:1.2;margin-bottom:15px}
        .feature-note p{color:var(--muted);max-width:410px}
        .guide-list{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px 28px}
        .guide-row{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
        .guide-row:last-child{border-bottom:0}
        .guide-row:hover{padding-left:8px}
        .row-no{font-size:28px;color:var(--orange);font-weight:900}
        .guide-row h3{font-size:17px;margin-bottom:4px}
        .guide-row p{font-size:13px;color:var(--muted);margin:0}
        .row-meta{font-size:12px;color:var(--muted);text-align:right;white-space:nowrap}
        .tag{display:inline-block;width:max-content;color:var(--ink);background:var(--lime);font-size:12px;font-weight:800;border-radius:5px;padding:3px 9px;margin-bottom:9px}
        .practice{background:var(--ink);color:#fff}
        .practice .section-head p{color:#aaa39b}
        .practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .practice-card{border:1px solid #46423d;border-radius:var(--radius);padding:27px;position:relative;overflow:hidden;transition:.25s}
        .practice-card:hover{border-color:var(--orange);transform:translateY(-4px)}
        .practice-card:after{content:"";position:absolute;right:-25px;bottom:-40px;width:120px;height:120px;border:1px solid rgba(216,239,85,.35);border-radius:50%}
        .practice-card h3{font-size:22px;margin:8px 0 9px}
        .practice-card p{color:#bdb6ad;font-size:14px;max-width:440px}
        .mini-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
        .mini-points span{border:1px solid #514b45;border-radius:30px;padding:4px 10px;color:var(--lime);font-size:12px}
        .faq-wrap{max-width:900px;margin:0 auto}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;background:none;border:0;padding:22px 0;text-align:left;color:var(--ink);font-weight:800;font-size:17px}
        .faq-question span:last-child{color:var(--orange);font-size:24px;transition:.25s}
        .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 22px 0}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:0 0 94px}
        .cta-box{background:var(--orange);color:#fff;border-radius:var(--radius);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:30px;position:relative;overflow:hidden}
        .cta-box:after{content:"C7";position:absolute;right:34px;bottom:-38px;font-size:145px;font-weight:900;color:rgba(255,255,255,.12)}
        .cta-box>*{position:relative;z-index:1}
        .cta-box h2{font-size:clamp(26px,3vw,38px);margin-bottom:8px}
        .cta-box p{margin:0;color:#ffe3da}
        .cta-box .btn{background:var(--ink);color:#fff}
        .cta-box .btn:hover{background:#393632;transform:translateY(-2px)}
        footer{background:var(--ink);color:#fff;padding:62px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:46px}
        .footer-desc{color:#aaa39b;font-size:13px;max-width:270px;margin-top:20px}
        .footer-col{display:flex;flex-direction:column;gap:8px}
        .footer-col h3{font-size:14px;color:var(--lime);margin-bottom:9px}
        .footer-col a{font-size:13px;color:#bdb6ad;transition:.2s}
        .footer-col a:hover{color:#fff;padding-left:4px}
        .footer-bottom{border-top:1px solid #3b3834;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8f8982;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:992px){
            .nav-wrap{gap:16px}.brand{min-width:210px}.nav-action{padding:10px 12px}
            .hero-grid,.feature-layout{grid-template-columns:1fr;gap:42px}
            .guide-board{max-width:650px;width:100%;margin:auto}
            .guide-path{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--max))}
            .notice-inner{font-size:12px}
            .nav-wrap{height:68px}
            .brand{min-width:0;flex:1}.brand-text{font-size:15px}
            nav{display:none;position:absolute;left:16px;right:16px;top:73px;background:var(--ink-soft);padding:12px;border:1px solid #48443f;border-radius:12px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-dark)}
            nav.open{display:flex}
            nav a{padding:12px 14px}
            .menu-toggle{display:block}
            .nav-action{font-size:13px;padding:9px 11px}
            .hero{padding:56px 0 64px}
            .hero-grid{gap:30px}
            h1{font-size:43px}
            section{padding:64px 0}
            .section-head{display:block;margin-bottom:25px}
            .section-head .text-link{display:inline-block;margin-top:12px}
            .feature-layout{gap:28px}
            .practice-grid{grid-template-columns:1fr}
            .guide-row{grid-template-columns:38px 1fr;gap:12px}
            .row-meta{grid-column:2;text-align:left}
            .cta-box{display:block;padding:32px 26px}
            .cta-box .btn{margin-top:22px;width:100%}
        }
        @media(max-width:520px){
            .brand-mark{width:34px;height:34px;font-size:16px}
            .brand-text small{font-size:9px}
            .nav-action{display:none}
            .guide-path{grid-template-columns:1fr}
            .guide-board{min-height:320px;padding:22px}
            .board-title{font-size:25px}
            .guide-list{padding:8px 18px}
            .practice-card{padding:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}
            .footer-grid>div:first-child{grid-column:1/-1}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-bottom:8px}
        }

/* roulang page: category3 */
:root{
        --ink:#171716;
        --ink-soft:#252422;
        --paper:#fffaf1;
        --paper-deep:#f5eee2;
        --orange:#f2552f;
        --orange-dark:#d93d20;
        --lime:#d8ef55;
        --teal:#24b7a3;
        --cream:#fff4d9;
        --muted:#756f68;
        --line:#e7dccd;
        --white:#fff;
        --radius:18px;
        --radius-sm:11px;
        --shadow:0 18px 45px rgba(42,29,16,.10);
        --shadow-dark:0 18px 50px rgba(0,0,0,.22);
        --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .notice{background:var(--orange);color:#fff;font-size:13px}
    .notice .container{min-height:36px;display:flex;align-items:center;justify-content:center;gap:12px}
    .notice-badge{background:var(--ink);padding:2px 9px;border-radius:30px;font-size:11px;letter-spacing:.08em}
    header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.1)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;min-width:245px}
    .brand-mark{width:38px;height:38px;background:var(--orange);display:grid;place-items:center;border-radius:10px 10px 10px 3px;font-weight:900;font-size:18px;transform:rotate(-5deg)}
    .brand-text{font-weight:800;line-height:1.2;font-size:17px}
    .brand-text small{display:block;color:#b9b4ac;font-size:10px;font-weight:500;margin-top:4px;letter-spacing:.06em}
    nav{display:flex;align-items:center;gap:6px;flex:1}
    nav a{padding:10px 14px;border-radius:9px;color:#d3cec7;font-size:14px;transition:.25s ease}
    nav a:hover,nav a:focus,nav a.active{color:#fff;background:rgba(242,85,47,.16)}
    nav a.active{box-shadow:inset 0 -2px var(--orange)}
    .nav-action{white-space:nowrap;background:var(--lime);color:var(--ink);font-weight:800;padding:11px 18px;border-radius:9px;transition:.25s}
    .nav-action:hover{background:#e8fb7a;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:1px solid #655f58;color:#fff;border-radius:8px;padding:7px 10px}
    .hero{background:var(--ink);color:#fff;padding:72px 0 84px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:490px;height:490px;border:1px solid rgba(216,239,85,.2);border-radius:50%;right:-150px;top:-180px}
    .hero:after{content:"";position:absolute;width:220px;height:220px;background:var(--orange);opacity:.15;transform:rotate(35deg);left:-100px;bottom:-130px}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.05em;margin-bottom:19px}
    .eyebrow:before{content:"";width:25px;height:3px;background:var(--orange)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.14;letter-spacing:-.055em;margin:0 0 22px;font-weight:900}
    .hero p{color:#c8c1b8;max-width:600px;font-size:17px;margin:0 0 30px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:12px 21px;font-weight:800;transition:.25s ease}
    .btn-primary{background:var(--orange);color:#fff}
    .btn-primary:hover{background:#ff704b;color:#fff;transform:translateY(-2px);box-shadow:0 9px 20px rgba(242,85,47,.25)}
    .btn-light{border-color:#615b54;color:#fff;background:transparent}
    .btn-light:hover{border-color:var(--lime);color:var(--lime)}
    .download-visual{min-height:340px;position:relative;display:flex;align-items:center;justify-content:center}
    .phone{width:205px;height:365px;background:#111;border:8px solid #3b3935;border-radius:30px;box-shadow:var(--shadow-dark);transform:rotate(7deg);padding:13px;position:relative;z-index:2}
    .phone:before{content:"";display:block;width:65px;height:14px;background:#292825;border-radius:20px;margin:0 auto 15px}
    .phone-screen{background:var(--paper);height:100%;border-radius:17px;padding:14px;color:var(--ink);overflow:hidden}
    .screen-logo{font-size:18px;font-weight:900;color:var(--orange);margin-bottom:17px}
    .screen-banner{height:82px;background:var(--orange);border-radius:11px;color:#fff;padding:12px;font-weight:900;font-size:15px;line-height:1.3}
    .screen-line{height:10px;background:#d9d0c4;border-radius:8px;margin:13px 0 8px}
    .screen-line.short{width:62%;background:var(--teal)}
    .visual-note{position:absolute;right:1%;top:15%;background:var(--lime);color:var(--ink);padding:13px 16px;border-radius:10px;font-weight:900;transform:rotate(-8deg);z-index:3}
    .visual-stamp{position:absolute;left:3%;bottom:14%;width:106px;height:106px;border:2px solid var(--teal);border-radius:50%;display:grid;place-items:center;text-align:center;color:var(--teal);font-weight:900;font-size:13px;transform:rotate(-12deg)}
    section{padding:90px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.5vw,43px);line-height:1.2;letter-spacing:-.03em;margin:0 0 8px}
    .section-head p{color:var(--muted);margin:0;max-width:590px}
    .kicker{color:var(--orange-dark);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:8px}
    .feature-line{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ink)}
    .feature{background:var(--cream);padding:28px 26px;min-height:175px;transition:.25s}
    .feature:hover{background:var(--lime);transform:translateY(-4px)}
    .feature-number{color:var(--orange);font-size:14px;font-weight:900}
    .feature h3{font-size:21px;margin:12px 0 7px}
    .feature p{font-size:14px;color:var(--muted);margin:0}
    .version-panel{background:var(--paper-deep);border-radius:var(--radius);padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
    .version-panel h2{font-size:clamp(28px,3vw,42px);line-height:1.2;margin:0 0 15px}
    .version-panel p{color:var(--muted);margin:0 0 24px}
    .meta-row{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 25px}
    .pill{border:1px solid var(--line);border-radius:30px;padding:6px 12px;font-size:13px;color:#625c55;background:#fffaf3}
    .pill b{color:var(--orange-dark)}
    .qr-box{min-height:220px;background:var(--ink);border-radius:15px;color:#fff;display:flex;align-items:center;justify-content:center;gap:25px;padding:28px}
    .qr-placeholder{width:125px;height:125px;background:var(--paper);padding:10px;display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
    .qr-placeholder i{background:var(--ink)}
    .qr-placeholder i:nth-child(3n){background:var(--orange)}
    .qr-copy strong{display:block;font-size:21px;margin-bottom:5px}
    .qr-copy span{color:#bcb5ab;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{border-top:3px solid var(--orange);padding:20px 4px 0}
    .step strong{display:block;font-size:38px;line-height:1;color:var(--orange);margin-bottom:18px}
    .step h3{font-size:18px;margin:0 0 7px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .updates{background:var(--ink);color:#fff}
    .updates .section-head p{color:#bdb6ad}
    .update-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .update-main,.update-list{border:1px solid #48443f;border-radius:var(--radius);padding:28px}
    .update-main{background:var(--orange)}
    .update-main .tag{background:var(--lime);color:var(--ink)}
    .tag{display:inline-block;border-radius:5px;padding:3px 9px;font-size:12px;font-weight:900;margin-bottom:15px}
    .update-main h3{font-size:28px;line-height:1.35;margin:0 0 12px}
    .update-main p{margin:0 0 22px;color:#fff1e9}
    .update-list{display:flex;flex-direction:column;gap:0}
    .update-item{padding:14px 0;border-bottom:1px solid #45413b}
    .update-item:last-child{border-bottom:0}
    .update-item small{color:var(--lime);font-size:12px}
    .update-item a{display:block;font-weight:800;margin-top:4px}
    .update-item a:hover{color:var(--lime)}
    .faq-list{max-width:860px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;padding:21px 4px;background:none;border:0;text-align:left;font-weight:800;color:var(--ink);display:flex;justify-content:space-between;align-items:center}
    .faq-question span{font-size:24px;color:var(--orange);transition:.2s}
    .faq-answer{display:none;color:var(--muted);padding:0 38px 21px 4px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span{transform:rotate(45deg)}
    .cta{padding:0 0 95px}
    .cta-box{background:var(--orange);color:#fff;border-radius:var(--radius);padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-box h2{font-size:clamp(26px,3vw,39px);line-height:1.2;margin:0 0 7px}
    .cta-box p{margin:0;color:#ffe7dd}
    .cta-box .btn{background:var(--ink);color:#fff}
    .cta-box .btn:hover{background:#34322f;transform:translateY(-2px)}
    footer{background:var(--ink);color:#fff;padding:63px 0 23px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-desc{color:#aaa39a;font-size:14px;max-width:285px;margin:20px 0 0}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:14px;color:var(--lime);margin:0 0 9px}
    .footer-col a{color:#bdb6ad;font-size:13px;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .footer-bottom{border-top:1px solid #3d3a36;margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#8f8982;font-size:12px}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    @media(max-width:992px){
        .nav-wrap{gap:18px}.brand{min-width:210px}.nav-action{padding:10px 13px}
        .hero-inner{gap:35px}.version-panel{gap:30px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
        .footer-grid>div:last-child{display:none}
    }
    @media(max-width:768px){
        .container{width:min(calc(100% - 32px),var(--max))}
        .nav-wrap{height:68px}.menu-toggle{display:block;margin-left:auto}
        nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:14px 16px 20px;flex-direction:column;align-items:stretch;border-top:1px solid #393633}
        nav.open{display:flex}nav a{padding:13px 15px}
        .nav-action{font-size:13px;padding:9px 12px}.brand-text{font-size:15px}.brand{min-width:0}
        .hero{padding:55px 0 66px}.hero-inner,.version-panel,.update-grid{grid-template-columns:1fr}
        .hero-art{min-height:315px}.download-visual{margin-top:5px}
        section{padding:64px 0}.feature-line,.steps{grid-template-columns:1fr 1fr}
        .section-head{display:block}.section-head .text-link{display:inline-block;margin-top:13px}
        .qr-box{justify-content:flex-start}.cta-box{display:block;padding:32px 27px}.cta-box .btn{margin-top:22px;width:100%}
        .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{display:flex}
        .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}
    }
    @media(max-width:520px){
        .notice .container{font-size:11px;justify-content:flex-start}.notice .container span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        h1{font-size:42px}.hero p{font-size:15px}.hero-actions .btn{width:100%}
        .feature-line,.steps{grid-template-columns:1fr}.feature{min-height:0}
        .version-panel{padding:27px 20px}.qr-box{display:block;text-align:center}.qr-placeholder{margin:0 auto 18px}
        .update-main h3{font-size:23px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
        .brand{min-width:0}
    }

/* 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}