/* roulang page: index */
:root{
            --ink:#173b39;
            --ink-deep:#102d2c;
            --moss:#2d625b;
            --moss-soft:#e7f0ed;
            --coral:#d8765f;
            --coral-deep:#b85d4c;
            --paper:#fcfbf7;
            --sand:#f3f0e8;
            --mist:#eef3f0;
            --line:#dce5df;
            --text:#263b39;
            --muted:#71817d;
            --white:#fff;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 48px rgba(28,58,53,.09);
            --shadow-soft:0 8px 24px rgba(28,58,53,.07);
            --max:1220px;
            --ease:all .25s ease;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        img{display:block;max-width:100%;height:auto}
        a{color:inherit;text-decoration:none}
        button{font:inherit}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(252,251,247,.94);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(14px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;color:var(--ink-deep);letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-size:14px;position:relative;overflow:hidden}
        .brand-mark:after{content:"";position:absolute;width:28px;height:8px;border:1px solid #f6c9ae;border-radius:50%;transform:rotate(-28deg);opacity:.7}
        .brand-text{font-size:16px}
        .brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px}
        .main-nav a{padding:10px 14px;border-radius:9px;color:#536762;font-size:14px;font-weight:650;transition:var(--ease)}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--moss-soft);color:var(--ink)}
        .nav-action{padding:11px 18px!important;background:var(--coral)!important;color:#fff!important;border-radius:10px!important;box-shadow:0 7px 16px rgba(216,118,95,.2)}
        .nav-action:hover{background:var(--coral-deep)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:7px 11px;cursor:pointer}
        .hero{padding:88px 0 72px;background:linear-gradient(180deg,#f5f8f3 0%,var(--paper) 100%);overflow:hidden}
        .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.065em;color:var(--ink-deep);margin:17px 0 24px;max-width:650px}
        .hero-copy{font-size:18px;color:#61716d;max-width:570px;margin-bottom:32px}
        .actions{display:flex;gap:13px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(23,59,57,.18)}
        .btn-primary:hover,.btn-primary:focus{background:var(--moss);transform:translateY(-2px)}
        .btn-secondary{border-color:#b8cbc3;color:var(--ink);background:transparent}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--moss);background:var(--moss-soft)}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible{outline:3px solid rgba(216,118,95,.35);outline-offset:3px}
        .hero-note{display:flex;align-items:center;gap:12px;margin-top:28px;color:var(--muted);font-size:13px}
        .status-dot{width:9px;height:9px;background:#62a385;border-radius:50%;box-shadow:0 0 0 5px #e2f0e8}
        .hero-art{min-height:405px;border-radius:28px;background:var(--ink);position:relative;padding:30px;box-shadow:var(--shadow);overflow:hidden}
        .hero-art:before{content:"";position:absolute;inset:-100px -80px auto auto;width:330px;height:330px;border:1px solid rgba(244,201,174,.45);border-radius:50%}
        .hero-art:after{content:"";position:absolute;left:-80px;bottom:-120px;width:300px;height:300px;border:1px solid rgba(255,255,255,.12);border-radius:50%}
        .stage-label{position:relative;z-index:1;color:#f5c5a9;font-size:12px;letter-spacing:.14em;font-weight:800}
        .stage-title{position:relative;z-index:1;color:#fff;font-size:42px;line-height:1.2;letter-spacing:-.06em;margin:86px 0 18px;max-width:330px}
        .stage-sub{position:relative;z-index:1;color:#b7cbc4;font-size:14px;max-width:270px}
        .stage-ticket{position:absolute;right:30px;bottom:30px;z-index:2;background:#f7efe4;color:var(--ink);padding:16px 18px;border-radius:12px;font-size:12px;transform:rotate(5deg);box-shadow:0 12px 26px rgba(0,0,0,.2)}
        .stage-ticket strong{display:block;font-size:20px;line-height:1.2;margin-top:4px}
        .section{padding:92px 0}
        .section-tint{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-kicker{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}
        h2{font-size:clamp(28px,3.4vw,43px);line-height:1.2;letter-spacing:-.05em;color:var(--ink-deep);margin-bottom:10px}
        h3{color:var(--ink-deep);font-size:19px;line-height:1.35;margin-bottom:8px}
        .section-desc{color:var(--muted);max-width:570px;margin-bottom:0}
        .text-link{color:var(--moss);font-weight:750;font-size:14px;white-space:nowrap}
        .text-link:after{content:"  →";transition:var(--ease)}
        .text-link:hover:after{padding-left:4px}
        .trust-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow-soft)}
        .trust-item{padding:24px 26px;border-right:1px solid var(--line)}
        .trust-item:last-child{border-right:0}
        .trust-label{color:var(--muted);font-size:12px;margin-bottom:5px}
        .trust-value{font-size:17px;font-weight:800;color:var(--ink)}
        .timeline{border-left:2px solid #cbdcd5;padding-left:28px;display:grid;gap:22px}
        .timeline-item{position:relative;padding:4px 0 8px}
        .timeline-item:before{content:"";position:absolute;left:-36px;top:12px;width:12px;height:12px;background:var(--coral);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--coral)}
        .meta{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:12px;margin-bottom:6px}
        .tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;background:var(--moss-soft);color:var(--moss);font-size:11px;font-weight:800}
        .timeline-item p{font-size:14px;color:var(--muted);margin-bottom:0}
        .news-layout{display:grid;grid-template-columns:1fr 1.12fr;gap:20px}
        .feature-news,.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
        .feature-news{padding:30px;min-height:250px;display:flex;flex-direction:column;justify-content:space-between}
        .feature-news h3{font-size:26px;max-width:430px}
        .feature-news p{color:var(--muted);font-size:14px}
        .news-list{padding:12px 26px}
        .news-row{display:grid;grid-template-columns:84px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
        .news-row:last-child{border-bottom:0}
        .news-date{color:var(--coral-deep);font-size:13px;font-weight:800}
        .news-row h3{font-size:16px;margin:0}
        .news-row p{font-size:12px;color:var(--muted);margin:3px 0 0}
        .arrow{font-size:20px;color:var(--moss)}
        .empty-state{padding:34px;color:var(--muted);text-align:center;font-size:14px}
        .notice-board{background:var(--ink);border-radius:var(--radius);padding:25px 32px;color:#fff}
        .notice-row{display:flex;align-items:center;gap:18px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.14)}
        .notice-row:last-child{border:0}
        .notice-no{font-size:13px;color:#f4bea3;font-weight:800}
        .notice-row span:nth-child(2){flex:1}
        .notice-time{color:#a9c0b8;font-size:12px}
        .app-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
        .device-scene{height:390px;background:#dfeae3;border-radius:26px;position:relative;display:grid;place-items:center;overflow:hidden}
        .device-scene:before{content:"NG28";position:absolute;right:25px;top:23px;color:var(--moss);font-size:12px;font-weight:900;letter-spacing:.14em}
        .phone{width:174px;height:320px;background:var(--ink-deep);border:7px solid #273f3c;border-radius:29px;padding:13px 10px;box-shadow:20px 22px 30px rgba(23,59,57,.22);transform:rotate(-7deg);position:relative}
        .phone-screen{height:100%;border-radius:18px;background:#f8f6ee;padding:18px 12px}
        .phone-logo{font-size:11px;color:var(--ink);font-weight:900;margin-bottom:24px}
        .phone-block{height:48px;border-radius:9px;background:var(--moss);margin-bottom:10px}
        .phone-line{height:8px;width:80%;background:#d0ddd6;border-radius:8px;margin:13px 0}
        .phone-line.short{width:52%}
        .app-copy h2{margin-bottom:15px}
        .app-copy p{color:var(--muted);max-width:500px}
        .download-box{display:flex;align-items:center;gap:18px;margin:25px 0;padding:17px;border:1px solid var(--line);border-radius:14px;background:#fff;max-width:500px}
        .qr{width:68px;height:68px;background:repeating-linear-gradient(45deg,var(--ink) 0 3px,#fff 3px 6px);border:8px solid #fff;box-shadow:0 0 0 1px var(--line);flex:none}
        .download-box strong{display:block;color:var(--ink);font-size:15px}
        .download-box span{font-size:12px;color:var(--muted)}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
        .step{padding:23px 20px;border-top:3px solid var(--moss);background:#fff;border-radius:0 0 14px 14px;box-shadow:var(--shadow-soft)}
        .step-num{color:var(--coral-deep);font-size:12px;font-weight:900;letter-spacing:.1em}
        .step p{font-size:13px;color:var(--muted);margin:0}
        .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
        .flow-item{padding:28px 22px;position:relative;border-right:1px solid var(--line)}
        .flow-item:last-child{border-right:0}
        .flow-item:after{content:"›";position:absolute;right:10px;top:35px;color:var(--coral);font-size:25px}
        .flow-item:last-child:after{display:none}
        .flow-icon{width:34px;height:34px;border-radius:10px;background:var(--moss-soft);color:var(--moss);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
        .flow-item p{font-size:13px;color:var(--muted);margin:0}
        .security-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
        .security-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
        .security-card.emphasis{background:#edf5ef;border-color:#c6ddd0}
        .security-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:13px}
        .security-list li{display:flex;gap:11px;color:#536762;font-size:14px}
        .security-list li:before{content:"✓";color:var(--coral-deep);font-weight:900}
        .update-log{display:grid;grid-template-columns:155px 1fr;gap:0;border-top:1px solid var(--line)}
        .update-date{padding:21px 0;color:var(--coral-deep);font-weight:800;font-size:13px;border-bottom:1px solid var(--line)}
        .update-content{padding:19px 0 19px 25px;border-bottom:1px solid var(--line)}
        .update-content h3{font-size:16px;margin:0 0 5px}
        .update-content p{margin:0;color:var(--muted);font-size:13px}
        .activity{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
        .activity-main{min-height:260px;padding:32px;border-radius:var(--radius);background:linear-gradient(125deg,var(--ink-deep),var(--moss));color:#fff;position:relative;overflow:hidden}
        .activity-main:after{content:"NG";position:absolute;right:22px;bottom:-40px;font-size:170px;font-weight:900;color:rgba(255,255,255,.07)}
        .activity-main h2{color:#fff;max-width:470px}
        .activity-main p{color:#bfd0ca;max-width:440px}
        .activity-side{display:grid;gap:20px}
        .mini-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
        .mini-card p{font-size:13px;color:var(--muted);margin:0}
        .magazine{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
        .mag-card{padding:30px;min-height:250px;background:#f1e9db;border-radius:var(--radius);border:1px solid #e7dac7}
        .mag-card h3{font-size:26px;max-width:480px}
        .mag-side{display:grid;gap:20px}
        .mag-item{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
        .mag-item h3{font-size:17px;margin-bottom:4px}
        .mag-item p{font-size:13px;color:var(--muted);margin:0}
        .faq{max-width:850px;margin:0 auto}
        .faq details{border-bottom:1px solid var(--line);padding:19px 0}
        .faq summary{cursor:pointer;list-style:none;color:var(--ink-deep);font-weight:800;display:flex;justify-content:space-between;gap:20px}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"+";color:var(--coral);font-size:22px;font-weight:400;line-height:1}
        .faq details[open] summary:after{content:"−"}
        .faq details p{color:var(--muted);font-size:14px;max-width:740px;margin:12px 0 0}
        .closing{padding:62px 0;background:var(--ink-deep);color:#fff}
        .closing-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .closing h2{color:#fff;margin-bottom:8px}
        .closing p{color:#b8cbc4;margin:0}
        .closing .btn-primary{background:var(--coral)}
        .closing .btn-primary:hover{background:var(--coral-deep)}
        .site-footer{background:#102725;color:#afc2bb;padding:54px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
        .footer-brand{color:#fff;margin-bottom:14px}
        .footer-intro{font-size:13px;max-width:270px;color:#8fa8a0}
        .footer-title{font-size:13px;color:#f1f5ef;font-weight:800;margin:4px 0 15px}
        .footer-links{display:grid;gap:8px;font-size:13px}
        .footer-links a{transition:var(--ease)}
        .footer-links a:hover{color:#f3b59c}
        .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#718b82;font-size:12px}
        @media(max-width:1024px){
            .hero-grid{gap:35px}.main-nav a{padding:10px 9px}.nav-wrap{gap:12px}
            .trust-strip{grid-template-columns:repeat(2,1fr)}
            .trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
            .app-panel{gap:35px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,var(--max))}
            .nav-wrap{height:68px}.menu-toggle{display:block}
            .main-nav{display:none;position:absolute;left:17px;right:17px;top:76px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}
            .main-nav.open{display:grid}.main-nav a{padding:13px 14px}
            .nav-action{display:none!important}
            .hero{padding:58px 0}.hero-grid,.news-layout,.app-panel,.security-grid,.activity,.magazine{grid-template-columns:1fr}
            h1{font-size:43px}.hero-copy{font-size:16px}.hero-art{min-height:330px}.stage-title{margin-top:65px;font-size:35px}
            .section{padding:65px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}
            .steps{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:1fr}
            .flow-item{border-right:0;border-bottom:1px solid var(--line)}.flow-item:last-child{border-bottom:0}.flow-item:after{content:"↓";right:22px;top:25px}
            .flow-item:last-child:after{display:none}.closing-inner{display:block}.closing .actions{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr}.footer-brand-block{grid-column:1/-1}
        }
        @media(max-width:520px){
            .brand-text{font-size:14px}.brand-mark{width:34px;height:34px}.hero-art{min-height:300px;padding:23px}
            .stage-title{font-size:30px;margin-top:58px}.stage-ticket{right:19px;bottom:20px}
            .trust-strip{grid-template-columns:1fr}.trust-item{border-right:0!important;border-bottom:1px solid var(--line)!important}.trust-item:last-child{border-bottom:0!important}
            .news-row{grid-template-columns:1fr auto;gap:5px}.news-date{grid-column:1/-1}.news-row p{display:none}
            .notice-board{padding:20px}.notice-row{gap:9px;align-items:flex-start}.notice-time{white-space:nowrap}
            .device-scene{height:315px}.download-box{align-items:flex-start}.steps{grid-template-columns:1fr}
            .update-log{grid-template-columns:1fr}.update-date{padding-bottom:4px;border:0}.update-content{padding:0 0 18px}
            .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}
        }

/* roulang page: article */
:root{
            --ink:#173b39;
            --ink-deep:#102d2c;
            --moss:#2d625b;
            --moss-soft:#e7f0ed;
            --coral:#d8765f;
            --coral-deep:#b85d4c;
            --paper:#fcfbf7;
            --sand:#f3f0e8;
            --mist:#eef3f0;
            --line:#dce5df;
            --text:#263b39;
            --muted:#71817d;
            --white:#fff;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 48px rgba(28,58,53,.09);
            --shadow-soft:0 8px 24px rgba(28,58,53,.07);
            --max:1220px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        img{display:block;max-width:100%;height:auto}
        a{color:inherit;text-decoration:none}
        button{font:inherit}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(252,251,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(14px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;color:var(--ink-deep);letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-size:14px;position:relative;overflow:hidden}
        .brand-mark:after{content:"";position:absolute;width:28px;height:8px;border:1px solid #f6c9ae;border-radius:50%;transform:rotate(-28deg);opacity:.7}
        .brand-text{font-size:16px}
        .brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px}
        .main-nav a{padding:10px 14px;border-radius:9px;color:#536762;font-size:14px;font-weight:650;transition:var(--ease)}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--moss-soft);color:var(--ink)}
        .main-nav .nav-action{padding:11px 18px;background:var(--coral);color:#fff;border-radius:10px;box-shadow:0 7px 16px rgba(216,118,95,.2)}
        .main-nav .nav-action:hover{background:var(--coral-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:7px 11px;cursor:pointer}
        .article-head{padding:72px 0 58px;background:linear-gradient(180deg,#f5f8f3 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
        .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:28px}
        .crumbs a{color:var(--moss);font-weight:700}
        .crumbs span{color:#a3b0ab}
        .article-layout{display:grid;grid-template-columns:minmax(0,820px) 290px;gap:72px;align-items:start}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
        h1{font-size:clamp(32px,4.2vw,54px);line-height:1.2;letter-spacing:-.055em;color:var(--ink-deep);margin:18px 0 20px;font-weight:850}
        .article-summary{max-width:760px;color:#61716d;font-size:18px;margin:0}
        .article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;margin-top:28px;color:var(--muted);font-size:13px}
        .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:var(--moss-soft);color:var(--moss);font-size:11px;font-weight:800}
        .section{padding:76px 0}
        .reading-area{max-width:820px;margin:0 auto}
        .article-body{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,5vw,58px);box-shadow:var(--shadow-soft);font-size:16px;line-height:1.95}
        .article-body h2{color:var(--ink-deep);font-size:28px;line-height:1.35;margin:34px 0 16px}
        .article-body h3{color:var(--ink);font-size:21px;margin:28px 0 12px}
        .article-body p{margin:0 0 21px}
        .article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 24px}
        .article-body li{margin:7px 0}
        .article-body blockquote{margin:26px 0;padding:18px 22px;border-left:4px solid var(--coral);background:#fff7f2;color:#5f716b;border-radius:0 12px 12px 0}
        .article-body img{width:100%;border-radius:12px;margin:24px 0}
        .article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
        .article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
        .article-body th{background:var(--moss-soft);color:var(--ink)}
        .article-side{position:sticky;top:105px}
        .side-card,.notice-card,.related-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
        .side-card{padding:24px}
        .side-label{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:12px}
        .side-card h2{font-size:21px;line-height:1.4;color:var(--ink-deep);margin:0 0 12px}
        .side-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
        .side-list{border-top:1px solid var(--line);padding-top:15px}
        .side-list div{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:8px 0;color:var(--muted)}
        .side-list strong{color:var(--ink);font-weight:700}
        .notice-wrap{padding:0 0 76px}
        .notice-card{max-width:820px;margin:0 auto;padding:24px 28px;display:flex;gap:17px;align-items:flex-start;background:var(--mist)}
        .notice-icon{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:800}
        .notice-card h2{margin:0 0 4px;font-size:17px;color:var(--ink-deep)}
        .notice-card p{margin:0;color:var(--muted);font-size:14px}
        .related-section{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}
        .section-kicker{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.1em;margin-bottom:7px}
        .section-head h2{margin:0;color:var(--ink-deep);font-size:30px;letter-spacing:-.04em}
        .section-desc{color:var(--muted);max-width:560px;margin:0}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .related-card{padding:23px;transition:var(--ease)}
        .related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .related-card h3{font-size:18px;line-height:1.45;color:var(--ink-deep);margin:15px 0 8px}
        .related-card p{color:var(--muted);font-size:13px;margin:0 0 16px}
        .text-link{color:var(--moss);font-weight:750;font-size:14px}
        .text-link:after{content:"  →";transition:var(--ease)}
        .text-link:hover:after{padding-left:4px}
        .article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(23,59,57,.18)}
        .btn-primary:hover,.btn-primary:focus{background:var(--moss);color:#fff;transform:translateY(-2px)}
        .btn-secondary{border-color:#b8cbc3;color:var(--ink);background:transparent}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--moss);background:var(--moss-soft)}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible{outline:3px solid rgba(216,118,95,.35);outline-offset:3px}
        .empty-state{text-align:center;padding:58px 20px;color:var(--muted)}
        .empty-state strong{display:block;color:var(--ink-deep);font-size:21px;margin-bottom:8px}
        .site-footer{background:var(--ink-deep);color:#c7d4ce;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:42px;padding-bottom:42px}
        .footer-brand{color:#fff}
        .footer-intro{max-width:280px;color:#94aaa1;font-size:13px;margin:18px 0 0}
        .footer-title{color:#f3c0a5;font-size:13px;font-weight:800;margin-bottom:14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#b6c8c0;font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:#fff;padding-left:3px}
        .copyright{border-top:1px solid rgba(199,212,206,.16);padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#80968e;font-size:12px}
        @media(max-width:1024px){
            .main-nav a{padding-left:9px;padding-right:9px}
            .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:34px}
            .footer-grid{gap:24px}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{height:68px}
            .menu-toggle{display:block}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
            .main-nav.open{display:grid;gap:3px}
            .main-nav a{padding:12px 14px}
            .main-nav .nav-action{text-align:center;margin-top:4px}
            .article-head{padding:48px 0 42px}
            .article-layout{display:block}
            .article-side{position:static;margin-top:28px}
            .section{padding:54px 0}
            .related-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr}
            .footer-brand-block{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-top:5px}
        }
        @media(max-width:520px){
            h1{font-size:34px}
            .article-summary{font-size:16px}
            .article-body{padding:23px 19px;font-size:15px}
            .article-body h2{font-size:24px}
            .notice-card{padding:19px}
            .section-head{display:block}
            .section-head h2{font-size:26px;margin-bottom:8px}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category1 */
:root{
            --ink:#173b39;--ink-deep:#102d2c;--moss:#2d625b;--moss-soft:#e7f0ed;
            --coral:#d8765f;--coral-deep:#b85d4c;--paper:#fcfbf7;--sand:#f3f0e8;
            --mist:#eef3f0;--line:#dce5df;--text:#263b39;--muted:#71817d;--white:#fff;
            --radius:18px;--radius-sm:12px;--shadow:0 18px 48px rgba(28,58,53,.09);
            --shadow-soft:0 8px 24px rgba(28,58,53,.07);--max:1220px;--ease:all .25s ease
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none} img{display:block;max-width:100%;height:auto}
        button{font:inherit}.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(252,251,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(14px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;color:var(--ink-deep);letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-size:14px;position:relative;overflow:hidden}
        .brand-mark:after{content:"";position:absolute;width:28px;height:8px;border:1px solid #f6c9ae;border-radius:50%;transform:rotate(-28deg);opacity:.7}
        .brand-text{font-size:16px}.brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px}.main-nav a{padding:10px 14px;border-radius:9px;color:#536762;font-size:14px;font-weight:650;transition:var(--ease)}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--moss-soft);color:var(--ink)}
        .nav-action{padding:11px 18px!important;background:var(--coral)!important;color:#fff!important;border-radius:10px!important;box-shadow:0 7px 16px rgba(216,118,95,.2)}
        .nav-action:hover{background:var(--coral-deep)!important;transform:translateY(-2px)}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(23,59,57,.18)}
        .btn-primary:hover,.btn-primary:focus{background:var(--moss);color:#fff;transform:translateY(-2px)}
        .btn-secondary{border-color:#b8cbc3;color:var(--ink);background:transparent}.btn-secondary:hover{border-color:var(--moss);background:var(--moss-soft)}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(216,118,95,.35);outline-offset:3px}
        .page-head{padding:72px 0 62px;background:linear-gradient(180deg,#f2f7f3 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
        .crumbs{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:28px}.crumbs a:hover{color:var(--moss)}
        .crumbs span:last-child{color:var(--ink);font-weight:700}.crumbs i{font-style:normal;color:var(--coral)}
        .head-grid{display:grid;grid-template-columns:1fr 300px;gap:70px;align-items:end}
        .eyebrow,.section-kicker{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.1em}
        h1{font-size:clamp(36px,5vw,62px);line-height:1.15;letter-spacing:-.06em;color:var(--ink-deep);margin:12px 0 20px}
        h2{font-size:clamp(25px,3vw,36px);line-height:1.25;letter-spacing:-.04em;color:var(--ink-deep);margin:7px 0 12px}
        h3{font-size:19px;line-height:1.4;color:var(--ink-deep);margin:0 0 9px}.lead{font-size:18px;color:#61716d;max-width:720px;margin:0}
        .head-mark{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow-soft)}
        .head-mark strong{display:block;color:var(--ink);font-size:30px;line-height:1;margin-bottom:10px}.head-mark span{font-size:13px;color:var(--muted)}
        .section{padding:82px 0}.section-tint{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-desc{color:var(--muted);max-width:570px;margin:0}.tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;background:var(--moss-soft);color:var(--moss);font-size:11px;font-weight:800}
        .intro-strip{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center}.intro-copy{font-size:17px;color:#5e706b;max-width:760px}
        .note-box{background:var(--ink);color:#eaf2ee;padding:25px 28px;border-radius:var(--radius);box-shadow:var(--shadow)}.note-box b{display:block;color:#f6c9ae;font-size:13px;margin-bottom:5px}
        .news-layout{display:grid;grid-template-columns:1fr 1.12fr;gap:24px}.feature-news,.news-list,.focus-card,.guide-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
        .feature-news{padding:32px;min-height:280px;display:flex;flex-direction:column;justify-content:space-between}.feature-news h3{font-size:27px;letter-spacing:-.04em}
        .meta{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:12px;margin-bottom:10px}.news-list{padding:10px 26px}
        .news-item{display:grid;grid-template-columns:88px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
        .news-item:last-child{border-bottom:0}.news-date{font-size:13px;color:var(--coral-deep);font-weight:750}.news-item p{font-size:13px;color:var(--muted);margin:3px 0 0}.news-item h3{font-size:16px;margin:0}
        .news-item a:hover h3,.text-link:hover{color:var(--coral-deep)}
        .timeline{position:relative;max-width:920px;margin-left:22px;border-left:1px solid #bcd0c7;padding-left:38px}
        .timeline-item{position:relative;padding:2px 0 28px}.timeline-item:before{content:"";position:absolute;left:-45px;top:9px;width:13px;height:13px;background:var(--coral);border:3px solid var(--paper);border-radius:50%;box-shadow:0 0 0 1px var(--coral)}
        .timeline-item p{color:var(--muted);margin:0;font-size:14px}.timeline-item h3{margin-bottom:3px}
        .focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.focus-card{padding:30px}.focus-card.accent{background:var(--moss);color:#eff6f2;border-color:var(--moss)}.focus-card.accent h3{color:#fff}.focus-card.accent p{color:#c9ded7}
        .check-list{padding:0;margin:18px 0 0;list-style:none}.check-list li{padding:11px 0 11px 28px;border-top:1px solid var(--line);position:relative;color:#596c67;font-size:14px}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--coral-deep);font-weight:800}
        .faq-list{max-width:850px;margin:0 auto;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;padding:20px 3px;background:none;border:0;text-align:left;color:var(--ink-deep);font-weight:750;display:flex;justify-content:space-between;cursor:pointer}.faq-question span{color:var(--coral);font-size:21px}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 3px}.faq-item.open .faq-answer{display:block}
        .cta{padding:52px 0;background:var(--ink-deep);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{color:#fff;margin:0 0 8px}.cta p{color:#b9cbc4;margin:0}.cta .btn-primary{background:var(--coral)}.cta .btn-primary:hover{background:var(--coral-deep)}
        .site-footer{background:#102d2c;color:#dbe7e2;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff}.footer-brand .brand-mark{background:#f4c2a6;color:var(--ink)}.footer-intro{color:#9bb2aa;font-size:13px;max-width:260px;margin:18px 0 0}.footer-title{color:#f6c9ae;font-size:13px;font-weight:800;margin-bottom:14px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#b6c9c1;transition:var(--ease)}.footer-links a:hover{color:#fff;padding-left:3px}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(220,229,223,.16);margin-top:44px;padding-top:20px;color:#829c93;font-size:12px}
        .empty-state{padding:42px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #b9cbc3;border-radius:var(--radius)}
        .text-link{color:var(--moss);font-weight:750;font-size:14px;white-space:nowrap}.text-link:after{content:"  →";transition:var(--ease)}.text-link:hover:after{padding-left:4px}
        @media(max-width:1024px){.main-nav a{padding:9px 9px}.hero-grid,.head-grid{gap:35px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
        @media(max-width:768px){.container{width:min(var(--max),calc(100% - 32px))}.nav-wrap{height:68px}.main-nav{position:absolute;display:none;left:16px;right:16px;top:76px;background:var(--paper);padding:10px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:12px 14px}.nav-action{text-align:center;margin-top:4px}.menu-toggle{display:block}.nav-wrap:after{content:"菜单";font-size:0}.page-head{padding:50px 0 44px}.head-grid,.intro-strip,.news-layout,.focus-grid{grid-template-columns:1fr}.head-mark{max-width:340px}.section{padding:62px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.news-item{grid-template-columns:72px 1fr}.news-item .text-link{display:none}.cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand-block{grid-column:1/-1}}
        @media(max-width:520px){h1{font-size:38px}.lead{font-size:16px}.news-list{padding:8px 17px}.news-item{gap:11px;padding:17px 0}.news-date{font-size:11px}.news-item h3{font-size:15px}.timeline{margin-left:10px;padding-left:26px}.timeline-item:before{left:-33px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}}

/* roulang page: category2 */
:root{
            --ink:#173b39;
            --ink-deep:#102d2c;
            --moss:#2d625b;
            --moss-soft:#e7f0ed;
            --coral:#d8765f;
            --coral-deep:#b85d4c;
            --paper:#fcfbf7;
            --sand:#f3f0e8;
            --mist:#eef3f0;
            --line:#dce5df;
            --text:#263b39;
            --muted:#71817d;
            --white:#fff;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 48px rgba(28,58,53,.09);
            --shadow-soft:0 8px 24px rgba(28,58,53,.07);
            --max:1220px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        img{display:block;max-width:100%;height:auto}
        a{color:inherit;text-decoration:none}
        button{font:inherit}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(252,251,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(14px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;color:var(--ink-deep);letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-size:14px;position:relative;overflow:hidden}
        .brand-mark:after{content:"";position:absolute;width:28px;height:8px;border:1px solid #f6c9ae;border-radius:50%;transform:rotate(-28deg);opacity:.7}
        .brand-text{font-size:16px}
        .brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px}
        .main-nav a{padding:10px 14px;border-radius:9px;color:#536762;font-size:14px;font-weight:650;transition:var(--ease)}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--moss-soft);color:var(--ink)}
        .nav-action{padding:11px 18px!important;background:var(--coral)!important;color:#fff!important;border-radius:10px!important;box-shadow:0 7px 16px rgba(216,118,95,.2)}
        .nav-action:hover{background:var(--coral-deep)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:7px 11px;cursor:pointer}
        .page-head{padding:72px 0 54px;background:linear-gradient(180deg,#f5f8f3 0%,var(--paper) 100%)}
        .breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
        .breadcrumb a{color:var(--moss);font-weight:700}
        .breadcrumb span{color:#a6b2ad}
        .head-layout{display:flex;justify-content:space-between;align-items:end;gap:40px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-deep);font-size:13px;font-weight:800;letter-spacing:.08em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.06em;color:var(--ink-deep);margin:14px 0 18px}
        h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.04em;color:var(--ink-deep);margin-bottom:14px}
        h3{font-size:19px;line-height:1.4;color:var(--ink-deep);margin-bottom:8px}
        .head-copy{max-width:700px;color:#63736f;font-size:17px;margin-bottom:0}
        .head-mark{width:164px;height:164px;border-radius:50%;background:var(--moss-soft);border:18px solid #f5f8f3;box-shadow:0 0 0 1px var(--line);display:grid;place-items:center;color:var(--moss);font-weight:800;text-align:center;line-height:1.35}
        .section{padding:82px 0}
        .section-tint{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-kicker{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.1em;margin-bottom:8px}
        .section-desc{color:var(--muted);max-width:590px;margin-bottom:0}
        .intro-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-soft);overflow:hidden}
        .intro-item{padding:25px 28px;border-right:1px solid var(--line)}
        .intro-item:last-child{border-right:0}
        .intro-item strong{display:block;color:var(--ink);font-size:16px;margin-bottom:5px}
        .intro-item span{display:block;color:var(--muted);font-size:13px}
        .download-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:center;background:var(--ink);border-radius:26px;padding:48px;color:#fff;box-shadow:var(--shadow)}
        .device-wrap{display:flex;justify-content:center;align-items:center;min-height:315px}
        .device{width:174px;height:315px;background:#f7efe4;border:8px solid #0d2827;border-radius:28px;box-shadow:14px 16px 0 rgba(246,201,174,.32);padding:12px;position:relative}
        .device:before{content:"";display:block;width:55px;height:5px;border-radius:5px;background:#193b38;margin:0 auto 22px}
        .device-screen{height:245px;border-radius:16px;background:linear-gradient(150deg,#e7f0ed 0 45%,#d8765f 45% 47%,#173b39 47%);padding:15px;color:var(--ink);font-size:12px;font-weight:800}
        .device-screen b{display:block;font-size:23px;margin-top:24px;color:#fff;line-height:1.2}
        .download-panel h2{color:#fff;margin-bottom:13px}
        .download-panel p{color:#b9ccc6;max-width:570px}
        .download-meta{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}
        .download-meta span{border:1px solid rgba(255,255,255,.18);border-radius:99px;padding:6px 12px;color:#dce9e4;font-size:12px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(216,118,95,.2)}
        .btn-primary:hover,.btn-primary:focus{background:var(--coral-deep);transform:translateY(-2px)}
        .btn-secondary{border-color:#b8cbc3;color:var(--ink);background:transparent}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--moss);background:var(--moss-soft)}
        .download-panel .btn-secondary{border-color:rgba(255,255,255,.35);color:#fff;margin-left:9px}
        .download-panel .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:#fff}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(216,118,95,.4);outline-offset:3px}
        .platform-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
        .platform-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:var(--ease)}
        .platform-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b8cbc3}
        .platform-icon{width:42px;height:42px;border-radius:12px;background:var(--moss-soft);color:var(--moss);display:grid;place-items:center;font-weight:900;margin-bottom:20px}
        .platform-card p,.feature-list li,.notice-box p{font-size:14px;color:var(--muted);margin-bottom:0}
        .tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;background:var(--moss-soft);color:var(--moss);font-size:11px;font-weight:800}
        .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .step{padding:28px 24px 10px 0;border-right:1px solid var(--line);margin-right:24px;position:relative}
        .step:last-child{border-right:0;margin-right:0}
        .step-no{color:var(--coral);font-size:13px;font-weight:900;letter-spacing:.1em;margin-bottom:20px}
        .step p{color:var(--muted);font-size:14px;margin-bottom:0}
        .feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
        .feature-intro{color:var(--muted);font-size:16px}
        .feature-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
        .feature-list li{padding:17px 0;border-bottom:1px solid var(--line);display:flex;gap:16px}
        .feature-list li:before{content:"✓";color:var(--coral-deep);font-weight:900}
        .notice-box{background:#fff7f2;border:1px solid #f0d5c8;border-radius:var(--radius);padding:28px 32px;display:flex;justify-content:space-between;gap:25px;align-items:center}
        .notice-box h3{margin-bottom:6px}
        .notice-box .tag{background:#f9ded3;color:var(--coral-deep);white-space:nowrap}
        .faq-list{max-width:850px;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;justify-content:space-between;gap:20px;background:none;border:0;padding:21px 0;text-align:left;color:var(--ink-deep);font-size:16px;font-weight:750;cursor:pointer}
        .faq-question span:last-child{color:var(--coral);font-size:22px;line-height:1}
        .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 38px 20px 0}
        .faq-item.open .faq-answer{display:block}
        .cta-band{padding:46px 0;background:var(--moss);color:#fff}
        .cta-row{display:flex;justify-content:space-between;align-items:center;gap:28px}
        .cta-band h2{color:#fff;margin-bottom:7px}
        .cta-band p{color:#cfe0da;margin-bottom:0}
        .site-footer{background:var(--ink-deep);color:#d5e1dc;padding:54px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
        .footer-brand{color:#fff}
        .footer-intro{color:#9eb3ac;font-size:13px;max-width:260px;margin:17px 0 0}
        .footer-title{color:#fff;font-size:14px;font-weight:800;margin-bottom:15px}
        .footer-links{display:flex;flex-direction:column;gap:8px}
        .footer-links a{color:#9eb3ac;font-size:13px;transition:var(--ease)}
        .footer-links a:hover,.footer-links a:focus{color:#f6c9ae}
        .copyright{border-top:1px solid rgba(220,229,223,.15);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#81958e;font-size:12px}
        @media (max-width:1024px){
            .main-nav a{padding-left:9px;padding-right:9px;font-size:13px}
            .download-panel{gap:35px;padding:38px}
            .feature-layout{gap:40px}
        }
        @media (max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{height:68px}
            .menu-toggle{display:block}
            .main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:13px 14px}
            .head-layout,.cta-row{display:block}
            .head-mark{display:none}
            .page-head{padding:50px 0 38px}
            .section{padding:58px 0}
            .intro-strip,.platform-grid,.download-panel,.feature-layout{grid-template-columns:1fr}
            .intro-item{border-right:0;border-bottom:1px solid var(--line)}
            .intro-item:last-child{border-bottom:0}
            .download-panel{padding:30px 23px}
            .device-wrap{min-height:300px}
            .steps{grid-template-columns:1fr 1fr;gap:20px;border-top:0}
            .step{border-right:0;border-top:1px solid var(--line);margin-right:0;padding-top:20px}
            .notice-box{display:block}
            .notice-box .tag{display:inline-flex;margin-bottom:12px}
            .cta-row .btn{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-brand-block{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
        }
        @media (max-width:520px){
            h1{font-size:35px}
            h2{font-size:28px}
            .download-panel .btn{width:100%;margin:8px 0 0}
            .steps{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand-block{grid-column:auto}
        }

/* roulang page: category3 */
:root{
            --ink:#173b39;
            --ink-deep:#102d2c;
            --moss:#2d625b;
            --moss-soft:#e7f0ed;
            --coral:#d8765f;
            --coral-deep:#b85d4c;
            --paper:#fcfbf7;
            --sand:#f3f0e8;
            --mist:#eef3f0;
            --line:#dce5df;
            --text:#263b39;
            --muted:#71817d;
            --white:#fff;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 48px rgba(28,58,53,.09);
            --shadow-soft:0 8px 24px rgba(28,58,53,.07);
            --max:1220px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        img{display:block;max-width:100%;height:auto}
        a{color:inherit;text-decoration:none}
        button{font:inherit}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(252,251,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(14px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;color:var(--ink-deep);letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-size:14px;position:relative;overflow:hidden}
        .brand-mark:after{content:"";position:absolute;width:28px;height:8px;border:1px solid #f6c9ae;border-radius:50%;transform:rotate(-28deg);opacity:.7}
        .brand-text{font-size:16px}
        .brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px}
        .main-nav a{padding:10px 14px;border-radius:9px;color:#536762;font-size:14px;font-weight:650;transition:var(--ease)}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--moss-soft);color:var(--ink)}
        .nav-action{padding:11px 18px!important;background:var(--coral)!important;color:#fff!important;border-radius:10px!important;box-shadow:0 7px 16px rgba(216,118,95,.2)}
        .nav-action:hover{background:var(--coral-deep)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:7px 11px;cursor:pointer}
        .page-head{padding:76px 0 68px;background:linear-gradient(180deg,#f1f7f3 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:28px}
        .breadcrumb a{color:var(--moss);font-weight:700}
        .breadcrumb span{color:#a7b5ae}
        .head-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:70px;align-items:end}
        .eyebrow,.section-kicker{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.1em}
        .eyebrow{display:inline-flex;gap:8px;align-items:center;margin-bottom:15px}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
        h1,h2,h3,p{margin-top:0}
        h1{color:var(--ink-deep);font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.055em;margin-bottom:22px;font-weight:850}
        h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.04em;color:var(--ink-deep);font-weight:850;margin-bottom:12px}
        h3{color:var(--ink-deep);font-size:19px;line-height:1.4;margin-bottom:10px;font-weight:800}
        .head-copy{font-size:18px;color:#61716d;max-width:720px;margin-bottom:0}
        .head-aside{border-left:3px solid var(--coral);padding:7px 0 7px 22px}
        .head-aside strong{display:block;color:var(--ink);font-size:19px;margin-bottom:5px}
        .head-aside p{color:var(--muted);font-size:14px;margin-bottom:0}
        .section{padding:88px 0}
        .section-tint{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-kicker{margin-bottom:8px}
        .section-desc{color:var(--muted);max-width:600px;margin-bottom:0}
        .intro-band{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:stretch}
        .intro-panel,.note-panel,.feature-panel,.check-card,.faq-item,.process-step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
        .intro-panel{padding:32px 36px}
        .intro-panel p{color:#61716d;max-width:760px;margin-bottom:0}
        .note-panel{padding:28px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
        .note-panel:after{content:"";position:absolute;width:140px;height:140px;border:1px solid rgba(246,201,174,.45);border-radius:50%;right:-38px;bottom:-48px}
        .note-label{color:#f6c9ae;font-size:12px;font-weight:800;letter-spacing:.1em}
        .note-panel strong{display:block;font-size:25px;line-height:1.3;margin:24px 0 9px;position:relative;z-index:1}
        .note-panel p{color:#bed0ca;font-size:14px;margin-bottom:0;position:relative;z-index:1}
        .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
        .process-line:before{content:"";height:1px;background:#bdd0c8;position:absolute;left:10%;right:10%;top:31px;z-index:0}
        .process-step{padding:22px 21px 24px;position:relative;z-index:1}
        .step-no{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;font-weight:850;margin-bottom:19px;border:5px solid var(--paper)}
        .process-step p,.check-card p,.feature-panel p{color:var(--muted);font-size:14px;margin-bottom:0}
        .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .scene-card{padding:28px;background:var(--mist);border-radius:var(--radius);border:1px solid transparent;transition:var(--ease)}
        .scene-card:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow-soft);transform:translateY(-3px)}
        .scene-icon{width:42px;height:42px;border-radius:12px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-weight:850;margin-bottom:20px}
        .scene-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .feature-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
        .feature-panel{padding:34px}
        .feature-panel.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
        .feature-panel.dark h3{color:#fff;font-size:25px}
        .feature-panel.dark p{color:#bed0ca}
        .feature-tag{display:inline-flex;background:#f8d2bd;color:var(--coral-deep);font-size:11px;font-weight:850;border-radius:99px;padding:4px 10px;margin-bottom:22px}
        .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
        .check-card{padding:21px 22px}
        .check-card h3{font-size:17px;margin-bottom:7px}
        .check-card h3:before{content:"✓";color:var(--coral);margin-right:8px;font-weight:900}
        .notice{display:flex;gap:16px;align-items:flex-start;padding:22px 25px;background:#fff7ee;border:1px solid #f0d8c8;border-radius:var(--radius-sm);color:#6e5147}
        .notice-mark{width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:850}
        .notice p{margin:0;font-size:14px}
        .faq-list{max-width:900px;margin:0 auto}
        .faq-item{margin-bottom:12px;overflow:hidden}
        .faq-item summary{cursor:pointer;list-style:none;padding:21px 25px;color:var(--ink-deep);font-weight:800;position:relative;padding-right:58px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";position:absolute;right:24px;color:var(--coral);font-size:22px;font-weight:400;top:17px}
        .faq-item[open] summary:after{content:"－"}
        .faq-answer{padding:0 25px 22px;color:var(--muted);font-size:14px}
        .cta{padding:58px 0;background:var(--ink-deep);color:#fff}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{color:#fff;margin-bottom:8px;font-size:32px}
        .cta p{color:#b9ccc5;margin-bottom:0}
        .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(216,118,95,.2)}
        .btn-primary:hover,.btn-primary:focus{background:var(--coral-deep);color:#fff;transform:translateY(-2px)}
        .btn-secondary{border-color:#8da8a0;color:#fff;background:transparent}
        .btn-secondary:hover,.btn-secondary:focus{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible{outline:3px solid rgba(216,118,95,.35);outline-offset:3px}
        .site-footer{padding:55px 0 24px;background:#102d2c;color:#c3d3cd}
        .footer-grid{display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:38px;padding-bottom:45px}
        .footer-brand{color:#fff}
        .footer-intro{font-size:13px;color:#9db5ad;max-width:260px;margin:18px 0 0}
        .footer-title{font-size:14px;color:#fff;font-weight:800;margin-bottom:15px}
        .footer-links{display:flex;flex-direction:column;gap:9px}
        .footer-links a{font-size:13px;color:#9db5ad;transition:var(--ease)}
        .footer-links a:hover{color:#f6c9ae;padding-left:3px}
        .copyright{border-top:1px solid rgba(220,229,223,.16);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#819b93;font-size:12px}
        @media (max-width:1024px){
            .main-nav a{padding-left:9px;padding-right:9px;font-size:13px}
            .nav-wrap{gap:12px}
            .head-grid{gap:40px}
            .process-line{grid-template-columns:repeat(2,1fr)}
            .process-line:before{display:none}
            .footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:20px}
        }
        @media (max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{height:68px}
            .brand-text{font-size:14px}
            .main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:13px 14px}
            .nav-action{text-align:center;margin-top:4px}
            .menu-toggle{display:block}
            .page-head{padding:53px 0 48px}
            .head-grid,.intro-band,.feature-layout{grid-template-columns:1fr;gap:25px}
            .head-copy{font-size:16px}
            .section{padding:65px 0}
            .section-head{display:block;margin-bottom:24px}
            .section-desc{margin-top:9px}
            .scene-grid{grid-template-columns:1fr}
            .check-list{grid-template-columns:1fr}
            .cta-inner{display:block}
            .cta-actions{margin-top:25px}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
            .footer-brand-block{grid-column:1/-1}
            .copyright{display:block}
            .copyright span{display:block;margin-bottom:6px}
        }
        @media (max-width:520px){
            h1{font-size:35px}
            h2{font-size:28px}
            .intro-panel,.feature-panel{padding:25px 22px}
            .process-line{grid-template-columns:1fr}
            .process-step{padding:20px}
            .cta h2{font-size:27px}
            .cta-actions .btn{width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px 14px}
            .footer-brand-block{grid-column:1/-1}
        }

/* roulang page: category4 */
:root{
            --ink:#173b39;
            --ink-deep:#102d2c;
            --moss:#2d625b;
            --moss-soft:#e7f0ed;
            --coral:#d8765f;
            --coral-deep:#b85d4c;
            --paper:#fcfbf7;
            --sand:#f3f0e8;
            --mist:#eef3f0;
            --line:#dce5df;
            --text:#263b39;
            --muted:#71817d;
            --white:#fff;
            --radius:18px;
            --radius-sm:12px;
            --shadow:0 18px 48px rgba(28,58,53,.09);
            --shadow-soft:0 8px 24px rgba(28,58,53,.07);
            --max:1220px;
            --ease:all .25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        img{display:block;max-width:100%;height:auto}
        a{color:inherit;text-decoration:none}
        button{font:inherit}
        .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(252,251,247,.95);border-bottom:1px solid rgba(220,229,223,.85);backdrop-filter:blur(14px)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:800;color:var(--ink-deep);letter-spacing:-.03em}
        .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-size:14px;position:relative;overflow:hidden}
        .brand-mark:after{content:"";position:absolute;width:28px;height:8px;border:1px solid #f6c9ae;border-radius:50%;transform:rotate(-28deg);opacity:.7}
        .brand-text{font-size:16px}
        .brand-text small{display:block;font-size:10px;color:var(--muted);font-weight:600;letter-spacing:.08em;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:5px}
        .main-nav a{padding:10px 14px;border-radius:9px;color:#536762;font-size:14px;font-weight:650;transition:var(--ease)}
        .main-nav a:hover,.main-nav a:focus,.main-nav a.active{background:var(--moss-soft);color:var(--ink)}
        .nav-action{padding:11px 18px!important;background:var(--coral)!important;color:#fff!important;border-radius:10px!important;box-shadow:0 7px 16px rgba(216,118,95,.2)}
        .nav-action:hover{background:var(--coral-deep)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:9px;padding:7px 11px;cursor:pointer}
        .page-head{padding:70px 0 54px;background:linear-gradient(180deg,#f2f7f2 0%,var(--paper) 100%);border-bottom:1px solid var(--line)}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
        .breadcrumb a:hover{color:var(--moss)}
        .breadcrumb span{color:#a8b4af}
        .head-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:70px;align-items:end}
        .eyebrow,.section-kicker{color:var(--coral-deep);font-size:12px;font-weight:800;letter-spacing:.1em}
        .eyebrow{display:inline-flex;align-items:center;gap:8px}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.055em;color:var(--ink-deep);margin:14px 0 18px;font-weight:850}
        h2{font-size:clamp(25px,3vw,36px);line-height:1.25;letter-spacing:-.04em;color:var(--ink-deep);margin-bottom:12px;font-weight:800}
        h3{font-size:19px;line-height:1.4;color:var(--ink-deep);margin-bottom:9px;font-weight:780}
        .head-desc{max-width:720px;color:var(--muted);font-size:17px;margin-bottom:0}
        .topic-badge{padding:22px;background:var(--ink);border-radius:var(--radius);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
        .topic-badge:after{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(246,201,174,.35);border-radius:50%;right:-70px;top:-65px}
        .topic-badge strong{display:block;color:#f5c5a9;font-size:26px;position:relative;z-index:1}
        .topic-badge span{display:block;color:#b7cbc4;font-size:13px;margin-top:8px;position:relative;z-index:1}
        .section{padding:82px 0}
        .section-tint{background:var(--sand)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
        .section-desc{color:var(--muted);max-width:600px;margin-bottom:0}
        .intro-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
        .intro-card,.notice-card,.security-card,.faq-item,.entry-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft)}
        .intro-card{padding:30px}
        .intro-card p{color:var(--muted);margin-bottom:0}
        .info-pills{display:flex;flex-wrap:wrap;gap:10px;align-content:center;padding:20px}
        .tag{display:inline-flex;align-items:center;padding:5px 11px;border-radius:99px;background:var(--moss-soft);color:var(--moss);font-size:12px;font-weight:800}
        .notice-card{padding:28px;display:flex;gap:18px;align-items:flex-start}
        .notice-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#fff0e9;color:var(--coral-deep);font-size:20px;flex:none}
        .notice-card p{color:var(--muted);font-size:14px;margin:0}
        .security-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
        .security-card{padding:27px;transition:var(--ease)}
        .security-card:hover,.entry-card:hover,.faq-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .security-card .card-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:17px}
        .number{width:32px;height:32px;border-radius:9px;background:var(--ink);color:#f6c9ae;display:grid;place-items:center;font-weight:800;font-size:13px}
        .security-card p{color:var(--muted);font-size:14px;margin-bottom:13px}
        .check-list{padding:0;margin:0;list-style:none;border-top:1px solid var(--line)}
        .check-list li{padding:10px 0 0 22px;color:#536762;font-size:13px;position:relative}
        .check-list li:before{content:"✓";position:absolute;left:0;color:var(--coral-deep);font-weight:800}
        .risk-box{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
        .risk-side{padding:34px;color:#fff}
        .risk-side:first-child{background:var(--moss)}
        .risk-side h3{color:#fff}
        .risk-side p{color:#c8d8d2;font-size:14px;margin-bottom:0}
        .risk-side ul{list-style:none;padding:0;margin:17px 0 0}
        .risk-side li{color:#e8f1ed;font-size:14px;padding:6px 0 6px 20px;position:relative}
        .risk-side li:before{content:"•";position:absolute;left:2px;color:#f6c9ae;font-size:20px;line-height:1}
        .device-table{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .device-item{padding:22px;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-sm)}
        .device-item strong{display:block;color:var(--ink);margin-bottom:5px}
        .device-item span{font-size:13px;color:var(--muted)}
        .faq-list{display:grid;gap:12px;max-width:850px}
        .faq-item{padding:0;overflow:hidden}
        .faq-item summary{cursor:pointer;padding:18px 22px;color:var(--ink-deep);font-weight:750;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(--coral-deep);font-size:20px;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px}
        .entry-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
        .entry-card{padding:30px}
        .entry-card p{color:var(--muted);font-size:14px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:750;font-size:14px;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--ink);color:#fff;box-shadow:0 10px 22px rgba(23,59,57,.18)}
        .btn-primary:hover,.btn-primary:focus{background:var(--moss);transform:translateY(-2px);color:#fff}
        .btn-secondary{border-color:#b8cbc3;color:var(--ink);background:transparent}
        .btn-secondary:hover,.btn-secondary:focus{border-color:var(--moss);background:var(--moss-soft)}
        .btn:focus-visible,.main-nav a:focus-visible,.footer-links a:focus-visible,summary:focus-visible{outline:3px solid rgba(216,118,95,.35);outline-offset:3px}
        .site-footer{background:var(--ink-deep);color:#d9e4df;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:44px}
        .footer-brand{color:#fff}
        .footer-intro{color:#9eb3ac;font-size:13px;max-width:280px;margin:18px 0 0}
        .footer-title{color:#f6c9ae;font-weight:800;font-size:13px;margin-bottom:14px}
        .footer-links{display:grid;gap:8px}
        .footer-links a{color:#b5c8c1;font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:#fff;padding-left:3px}
        .copyright{border-top:1px solid rgba(220,229,223,.16);padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#8da59d;font-size:12px}
        @media(max-width:1024px){
            .main-nav a{padding-left:9px;padding-right:9px;font-size:13px}
            .head-grid{gap:35px}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{height:68px}
            .menu-toggle{display:block}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .nav-action{margin-top:4px;text-align:center}
            .page-head{padding:48px 0 40px}
            .head-grid,.intro-strip,.entry-grid{grid-template-columns:1fr}
            .topic-badge{max-width:360px}
            .section{padding:58px 0}
            .section-head{display:block}
            .section-head .section-desc{margin-top:10px}
            .security-layout,.risk-box{grid-template-columns:1fr}
            .device-table{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr 1fr}
            .copyright{display:block}
            .copyright span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            h1{font-size:35px}
            h2{font-size:27px}
            .brand-text{font-size:14px}
            .brand-text small{font-size:9px}
            .brand-mark{width:35px;height:35px}
            .security-card,.intro-card,.entry-card{padding:22px}
            .risk-side{padding:26px 22px}
            .footer-grid{grid-template-columns:1fr}
            .copyright{font-size:11px}
        }