/* roulang page: index */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        :focus-visible{outline:3px solid rgba(198,242,73,.9);outline-offset:3px}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{background:var(--dark);color:#eee;padding:9px 0;font-size:13px}
        .notice-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice strong{color:var(--lime);font-weight:700}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{background:rgba(245,243,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{width:42px;height:42px;background:var(--purple);color:#fff;border-radius:12px 12px 5px 12px;display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:-1px;box-shadow:4px 4px 0 var(--lime)}
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:11px 13px;color:#5d5a63;border-radius:10px;position:relative;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{content:"";height:3px;width:22px;background:var(--purple);border-radius:4px;position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 18px;font-weight:800;transition:var(--ease);white-space:nowrap}
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        .hero{position:relative;overflow:hidden;padding:88px 0 82px;background:var(--paper)}
        .hero:before{content:"";position:absolute;width:390px;height:390px;border:1px solid #ddd2f7;border-radius:50%;right:-100px;top:-120px}
        .hero:after{content:"";position:absolute;width:9px;height:9px;background:var(--coral);border-radius:50%;right:14%;top:90px;box-shadow:35px 26px 0 var(--lime),-24px 48px 0 var(--purple)}
        .hero-grid{display:grid;grid-template-columns:1fr .95fr;align-items:center;gap:70px;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
        .eyebrow:before{content:"";width:28px;height:4px;background:var(--lime);border-radius:5px}
        h1{font-size:clamp(34px,4.5vw,61px);line-height:1.16;letter-spacing:-2px;max-width:680px;margin-bottom:22px}
        .hero-copy{font-size:17px;color:var(--muted);max-width:590px;line-height:1.9;margin-bottom:30px}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{padding:14px 22px}
        .btn-primary{background:var(--purple);color:#fff}
        .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
        .btn-secondary:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
        .hero-art{min-height:355px;background:var(--dark);border-radius:28px;padding:24px;position:relative;box-shadow:var(--shadow);overflow:hidden}
        .hero-art:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.1);border-radius:20px;pointer-events:none}
        .art-top{display:flex;justify-content:space-between;align-items:center;color:#aaa;font-size:12px;position:relative;z-index:1}
        .live-dot{color:var(--lime);display:flex;align-items:center;gap:6px}.live-dot:before{content:"";width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 4px rgba(198,242,73,.12)}
        .art-content{position:absolute;left:42px;right:42px;bottom:34px;z-index:1}
        .art-kicker{color:var(--coral);font-weight:800;font-size:12px;margin-bottom:10px}
        .art-content h2{color:#fff;font-size:31px;line-height:1.25;max-width:390px;margin-bottom:18px}
        .art-content p{color:#bcb9c4;max-width:390px;font-size:14px}
        .art-stamp{position:absolute;right:28px;top:105px;color:var(--lime);font-weight:900;font-size:58px;opacity:.9;transform:rotate(8deg)}
        .section{padding:86px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px}
        .section-head p{color:var(--muted);margin-top:8px}
        .more{color:var(--purple);font-weight:800;border-bottom:2px solid var(--lime);padding-bottom:3px;white-space:nowrap}
        .entry-layout{display:grid;grid-template-columns:1.35fr .85fr;gap:18px}
        .download-card,.small-entry{border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);transition:var(--ease)}
        .download-card{padding:34px;min-height:285px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
        .download-card:after{content:"C7";position:absolute;right:-15px;bottom:-55px;color:rgba(110,53,216,.45);font-weight:900;font-size:190px;line-height:1}
        .download-card h3{font-size:30px;max-width:400px;line-height:1.3;margin:12px 0}
        .download-card p{color:#b9b6bf;max-width:470px}
        .mini-meta{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0;position:relative;z-index:1}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:800}
        .tag.lime{background:var(--lime);color:#222}.tag.coral{background:#ffe4de;color:#b74632}
        .download-card .btn{position:relative;z-index:1;background:var(--lime);color:#202027}
        .download-card .btn:hover{background:#ddff72;transform:translateY(-2px)}
        .side-entries{display:grid;gap:18px}
        .small-entry{padding:25px;min-height:133px;display:flex;flex-direction:column;justify-content:space-between}
        .small-entry:hover{border-color:var(--purple);transform:translateY(-3px)}
        .small-entry h3{font-size:20px;line-height:1.35;margin:10px 0 7px}
        .small-entry p{color:var(--muted);font-size:13px}
        .arrow{color:var(--purple);font-size:21px;align-self:flex-end}
        .updates{background:#fff}
        .updates-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:22px}
        .feature-news{background:var(--purple);color:#fff;border-radius:var(--radius);padding:32px;min-height:360px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
        .feature-news:before{content:"资讯";position:absolute;right:25px;top:20px;font-size:74px;font-weight:900;color:rgba(255,255,255,.12)}
        .feature-news h3{font-size:27px;line-height:1.35;margin:16px 0}
        .feature-news p{color:#e3dafa;font-size:14px}
        .feature-news .tag{width:max-content;background:var(--lime);color:#292929}
        .news-list{background:var(--paper);border-radius:var(--radius);padding:10px 26px}
        .news-item{display:grid;grid-template-columns:92px 1fr 24px;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .news-item:last-child{border-bottom:0}
        .news-item:hover{padding-left:6px}.news-date{color:var(--muted);font-size:12px}.news-item h3{font-size:16px;line-height:1.4}.news-item p{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-arrow{color:var(--purple);font-size:19px}
        .empty-state{padding:48px 20px;text-align:center;color:var(--muted)}
        .topics{background:var(--dark);color:#fff;padding:88px 0}
        .topics .section-head p{color:#aaa7b2}.topics .more{color:var(--lime)}
        .topic-strip{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:14px}
        .topic{min-height:190px;border:1px solid #403d47;border-radius:var(--radius);padding:25px;position:relative;overflow:hidden;transition:var(--ease)}
        .topic:first-child{background:var(--purple);border-color:var(--purple);min-height:240px}
        .topic:hover{border-color:var(--lime);transform:translateY(-4px)}
        .topic h3{font-size:22px;margin:24px 0 8px;line-height:1.35}.topic p{color:#aaa7b2;font-size:13px}.topic:first-child p{color:#e4dcf5}
        .topic .tag{background:rgba(198,242,73,.14);color:var(--lime)}
        .topic:first-child .tag{background:var(--lime);color:#272727}
        .process{padding:78px 0}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .process-item{border-top:3px solid var(--purple);padding:22px 4px 0}.process-item b{font-size:38px;color:var(--purple);display:block;line-height:1;margin-bottom:15px}.process-item h3{font-size:17px;margin-bottom:7px}.process-item p{color:var(--muted);font-size:13px}
        .app-cta{padding:30px 0 86px}.cta-box{background:var(--dark);border-radius:24px;color:#fff;padding:46px 52px;display:flex;align-items:center;justify-content:space-between;gap:35px;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(198,242,73,.3);border-radius:50%;right:12%;top:-140px}.cta-box h2{font-size:31px;line-height:1.3;position:relative;z-index:1}.cta-box p{color:#b7b4be;margin-top:9px;position:relative;z-index:1}.cta-box .btn{background:var(--lime);color:#222;position:relative;z-index:1}.cta-box .btn:hover{background:#e0ff78;transform:translateY(-2px)}
        .faq{padding:0 0 88px}.faq-list{max-width:850px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0}summary{list-style:none;cursor:pointer;padding:21px 4px;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--purple);font-size:24px;font-weight:400;line-height:1}details[open] summary:after{content:"−"}details p{color:var(--muted);padding:0 34px 23px 4px;max-width:760px}
        footer{background:#1d1c22;color:#ddd;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .9fr;gap:35px;padding-bottom:42px}.footer-brand .brand-text{color:#fff}.footer-brand p{color:#9996a0;max-width:310px;margin-top:18px;font-size:13px}.footer h3{font-size:14px;color:#fff;margin-bottom:15px}.footer a{display:block;color:#9996a0;font-size:13px;margin:9px 0;transition:var(--ease)}.footer a:hover{color:var(--lime)}.footer-bottom{border-top:1px solid #38363e;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#85828c;font-size:12px}.footer-bottom a{display:inline-block;margin:0 0 0 16px}
        @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:10px 8px;font-size:13px}.brand{min-width:210px}.hero-grid{gap:35px}.topic-strip{grid-template-columns:1fr 1fr}.topic:first-child{grid-column:span 2}}
        @media(max-width:768px){.container{width:min(100% - 34px,620px)}.notice-inner{justify-content:center}.notice-inner a{display:none}.nav-wrap{min-height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:15px}.brand-text small{font-size:10px}.main-nav,.nav-cta{display:none}.menu-toggle{display:block}.main-nav.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 17px;box-shadow:0 12px 20px rgba(0,0,0,.06)}.main-nav.open a{padding:13px 15px}.hero{padding:56px 0 58px}.hero-grid{grid-template-columns:1fr;gap:38px}.hero-copy{font-size:15px}.hero-art{min-height:285px}.art-stamp{font-size:43px;top:74px}.section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:28px}.more{display:inline-block;margin-top:17px}.entry-layout,.updates-layout{grid-template-columns:1fr}.feature-news{min-height:275px}.topic-strip{grid-template-columns:1fr}.topic:first-child{grid-column:auto}.process-grid{grid-template-columns:1fr 1fr;gap:28px}.cta-box{display:block;padding:34px 27px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom nav{margin-top:10px}.footer-bottom a{margin:0 14px 0 0}}
        @media(max-width:480px){body{font-size:14px}.container{width:calc(100% - 28px)}.brand-mark{width:38px;height:38px}.brand-text{font-size:13px}.actions{display:grid;grid-template-columns:1fr}.actions .btn{width:100%}h1{font-size:35px;letter-spacing:-1.5px}.hero-art{padding:18px}.art-content{left:27px;right:27px;bottom:25px}.art-content h2{font-size:24px}.download-card{padding:27px 23px}.download-card h3{font-size:25px}.news-list{padding:5px 17px}.news-item{grid-template-columns:65px 1fr 14px;gap:10px;padding:17px 0}.news-item h3{font-size:14px}.news-item p{font-size:11px}.process-grid{grid-template-columns:1fr}.cta-box h2{font-size:26px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer{padding-top:40px}}

/* roulang page: category1 */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(110,53,216,.35);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{font-weight:900;letter-spacing:-.7px}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{background:var(--dark);color:#fff;font-size:13px}
        .notice-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice strong{color:var(--lime);margin-right:8px}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{background:rgba(245,243,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{width:42px;height:42px;background:var(--purple);color:#fff;border-radius:12px 12px 5px 12px;display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:-1px;box-shadow:4px 4px 0 var(--lime)}
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:11px 13px;color:#5d5a63;border-radius:10px;position:relative;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{content:"";height:3px;width:22px;background:var(--purple);border-radius:4px;position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 18px;font-weight:800;transition:var(--ease);white-space:nowrap}
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        .page-hero{padding:78px 0 64px;background:var(--paper);position:relative;overflow:hidden}
        .page-hero:before{content:"资讯";position:absolute;right:7%;top:8px;color:rgba(110,53,216,.07);font-size:190px;font-weight:900;line-height:1}
        .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:25px;position:relative;z-index:1}
        .crumbs a:hover{color:var(--purple)}
        .crumbs span{color:#bbb5ad}
        .hero-layout{display:grid;grid-template-columns:1fr 420px;gap:70px;align-items:end;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:17px}
        .eyebrow:before{content:"";width:28px;height:4px;background:var(--lime);border-radius:5px}
        .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;margin-bottom:22px;max-width:720px}
        .page-hero h1 em{color:var(--purple);font-style:normal}
        .hero-lead{font-size:17px;color:var(--muted);max-width:680px;line-height:1.9;margin-bottom:0}
        .hero-panel{background:var(--dark);color:#fff;border-radius:24px;padding:26px;box-shadow:var(--shadow);min-height:220px;position:relative;overflow:hidden}
        .hero-panel:after{content:"C7";position:absolute;right:-9px;bottom:-40px;color:rgba(110,53,216,.5);font-size:150px;line-height:1;font-weight:900}
        .hero-panel>*{position:relative;z-index:1}
        .panel-top{display:flex;justify-content:space-between;align-items:center;color:#c3c0c9;font-size:12px}
        .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-weight:800}
        .live-dot:before{content:"";width:8px;height:8px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(198,242,73,.12)}
        .hero-panel h2{font-size:26px;line-height:1.35;margin:34px 0 12px;max-width:270px}
        .hero-panel p{color:#b9b6bf;font-size:13px;max-width:290px;margin:0}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;margin-bottom:0}
        .section-head p{color:var(--muted);margin:8px 0 0}
        .text-link{color:var(--purple);font-weight:800;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .highlight{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
        .feature-card{background:var(--purple);color:#fff;border-radius:var(--radius);padding:34px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;transition:var(--ease)}
        .feature-card:hover{transform:translateY(-4px);box-shadow:0 18px 42px rgba(110,53,216,.2)}
        .feature-card:before{content:"C7";position:absolute;right:24px;top:18px;font-size:105px;line-height:1;font-weight:900;color:rgba(255,255,255,.12)}
        .feature-card>*{position:relative;z-index:1}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:800;width:max-content}
        .tag.lime{background:var(--lime);color:#292929}
        .tag.coral{background:#ffe4de;color:#b74632}
        .feature-card h3{font-size:29px;line-height:1.35;max-width:480px;margin:22px 0 12px}
        .feature-card p{color:#e3dafa;max-width:480px;margin-bottom:18px}
        .feature-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;color:#eee5ff;font-size:13px}
        .feature-bottom a{font-weight:800;color:var(--lime)}
        .index-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:330px;box-shadow:var(--shadow)}
        .index-card h3{font-size:23px;line-height:1.35;margin:19px 0 10px}
        .index-card p{color:var(--muted);font-size:14px}
        .index-card ul{list-style:none;padding:0;margin:24px 0 0}
        .index-card li{border-top:1px solid var(--line);padding:12px 0;display:flex;justify-content:space-between;gap:15px;font-weight:700}
        .index-card li span{color:var(--purple);font-size:18px}
        .timeline{border-top:1px solid var(--line)}
        .timeline-item{display:grid;grid-template-columns:130px 1fr 26px;gap:25px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .timeline-item:hover{padding-left:10px;background:rgba(238,232,255,.32)}
        .date{color:var(--muted);font-size:13px;padding-top:3px}
        .story-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px}
        .story-meta time{color:var(--muted);font-size:12px}
        .timeline-item h3{font-size:19px;line-height:1.45;margin:0 0 5px}
        .timeline-item p{color:var(--muted);font-size:14px;margin:0;max-width:700px}
        .story-arrow{color:var(--purple);font-size:23px}
        .topic-band{background:var(--dark);color:#fff;padding:74px 0;position:relative;overflow:hidden}
        .topic-band:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(198,242,73,.18);border-radius:50%;right:-170px;top:-190px}
        .topic-band .section-head p{color:#aaa7b2}
        .topic-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
        .topic-main{background:#302e38;border:1px solid #484451;border-radius:var(--radius);padding:30px;min-height:245px;display:flex;flex-direction:column;justify-content:space-between}
        .topic-main h3{font-size:27px;line-height:1.35;margin:18px 0 8px}
        .topic-main p{color:#b9b6bf;margin:0;max-width:600px}
        .topic-list{display:grid;gap:12px}
        .topic-link{border:1px solid #484451;border-radius:14px;padding:19px 21px;display:flex;justify-content:space-between;align-items:center;gap:15px;transition:var(--ease)}
        .topic-link:hover{border-color:var(--lime);background:#302e38;transform:translateX(4px)}
        .topic-link small{display:block;color:#aaa7b2;margin-top:3px}
        .topic-link b{color:var(--lime);font-size:20px}
        .read-route{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .route-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:23px;transition:var(--ease)}
        .route-card:hover{border-color:var(--purple);box-shadow:var(--shadow);transform:translateY(-3px)}
        .route-number{width:34px;height:34px;border-radius:10px;background:var(--purple-soft);color:var(--purple);display:grid;place-items:center;font-weight:900;margin-bottom:17px}
        .route-card h3{font-size:18px;margin-bottom:7px}
        .route-card p{color:var(--muted);font-size:13px;margin:0}
        .faq-list{max-width:850px;margin:auto;border-top:1px solid var(--line)}
        details{border-bottom:1px solid var(--line);padding:4px 0}
        summary{cursor:pointer;list-style:none;font-weight:800;font-size:17px;padding:20px 4px;display:flex;justify-content:space-between;gap:20px}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";color:var(--purple);font-size:23px;line-height:1}
        details[open] summary:after{content:"−"}
        details p{color:var(--muted);padding:0 42px 20px 4px;margin:0;line-height:1.85}
        .cta{background:var(--purple);color:#fff;border-radius:24px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
        .cta:after{content:"互动";position:absolute;right:30px;bottom:-40px;color:rgba(255,255,255,.1);font-size:130px;font-weight:900}
        .cta>*{position:relative;z-index:1}
        .cta h2{font-size:30px;margin:0 0 8px}
        .cta p{color:#e3dafa;margin:0}
        .cta .btn{background:var(--lime);color:var(--ink)}
        .cta .btn:hover{background:#ddff72;transform:translateY(-2px)}
        footer{background:var(--dark);color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:44px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand p{color:#aaa7b2;max-width:330px;font-size:13px}
        footer h3{font-size:14px;margin:6px 0 16px}
        footer a{display:block;color:#aaa7b2;font-size:13px;margin:9px 0;transition:var(--ease)}
        footer a:hover{color:var(--lime)}
        .footer-bottom{border-top:1px solid #403d47;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#85818d;font-size:12px}
        .footer-bottom nav{display:flex;gap:20px}
        .footer-bottom nav a{margin:0}
        @media(max-width:1024px){
            .nav-wrap{gap:14px}.brand{min-width:205px}.main-nav a{padding:10px 8px;font-size:13px}.nav-cta{padding:11px 13px;font-size:13px}
            .hero-layout{gap:35px}.highlight,.topic-grid{grid-template-columns:1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice-inner{padding:7px 0;min-height:auto}
            .notice-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
            .nav-wrap{min-height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:15px}.brand-text small{font-size:10px}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--white);padding:12px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:13px 15px}.main-nav a.active:after{left:15px;transform:none;bottom:7px}
            .nav-cta{display:none}.menu-toggle{display:block}
            .page-hero{padding:55px 0 48px}.hero-layout{grid-template-columns:1fr;gap:30px}.page-hero h1{font-size:42px}.hero-panel{min-height:190px}
            .section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:28px;margin-bottom:8px}.text-link{display:inline-block;margin-top:14px}
            .feature-card,.index-card{min-height:280px}.timeline-item{grid-template-columns:1fr 22px;gap:8px}.date{grid-column:1/2;order:2}.story-meta{margin-bottom:5px}.timeline-item p{font-size:13px}
            .read-route{grid-template-columns:1fr}.topic-band{padding:58px 0}.cta{display:block;padding:32px 26px}.cta .btn{margin-top:22px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom nav{margin-top:12px}
        }
        @media(max-width:480px){
            .brand-mark{width:37px;height:37px;font-size:14px}.brand-text{font-size:14px}.brand-text small{display:none}
            .page-hero h1{font-size:35px}.hero-lead{font-size:15px}.hero-panel h2{font-size:23px}
            .feature-card,.index-card{padding:24px}.feature-card h3{font-size:24px}.timeline-item h3{font-size:17px}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: article */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            color:var(--ink);
            background:var(--paper);
            line-height:1.7;
            font-size:15px;
        }
        a{color:inherit;text-decoration:none}
        a:hover{color:var(--purple)}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{font-weight:900;letter-spacing:-.7px}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{background:var(--dark);color:#fff;font-size:13px}
        .notice-inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .notice strong{color:var(--lime);margin-right:8px}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{
            background:rgba(245,243,239,.96);
            border-bottom:1px solid var(--line);
            position:sticky;top:0;z-index:20;
            backdrop-filter:blur(12px)
        }
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{
            width:42px;height:42px;background:var(--purple);color:#fff;
            border-radius:12px 12px 5px 12px;display:grid;place-items:center;
            font-size:16px;font-weight:900;letter-spacing:-1px;
            box-shadow:4px 4px 0 var(--lime)
        }
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            padding:11px 13px;color:#5d5a63;border-radius:10px;
            position:relative;white-space:nowrap;transition:var(--ease)
        }
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{
            content:"";height:3px;width:22px;background:var(--purple);
            border-radius:4px;position:absolute;bottom:2px;left:50%;
            transform:translateX(-50%)
        }
        .nav-cta,.btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:11px;padding:12px 18px;font-weight:800;
            transition:var(--ease);white-space:nowrap
        }
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        .article-hero{
            padding:74px 0 62px;
            background:#fff;
            border-bottom:1px solid var(--line);
            position:relative;
            overflow:hidden
        }
        .article-hero:after{
            content:"C7";
            position:absolute;right:7%;bottom:-72px;
            color:var(--purple-soft);font-weight:900;font-size:190px;
            line-height:1;pointer-events:none
        }
        .breadcrumb{
            display:flex;align-items:center;gap:9px;
            color:var(--muted);font-size:13px;margin-bottom:24px;
            position:relative;z-index:1
        }
        .breadcrumb a{color:var(--purple);font-weight:700}
        .breadcrumb span{color:#bbb5b0}
        .article-heading{max-width:880px;position:relative;z-index:1}
        .article-label{
            display:inline-flex;align-items:center;gap:8px;
            padding:6px 11px;border-radius:7px;
            background:var(--purple-soft);color:var(--purple);
            font-size:12px;font-weight:900;margin-bottom:18px
        }
        .article-label:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime-dark)}
        .article-heading h1{font-size:clamp(32px,5vw,58px);line-height:1.2;margin-bottom:21px}
        .article-intro{font-size:17px;color:var(--muted);max-width:780px;margin-bottom:25px}
        .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:13px}
        .meta-dot{width:4px;height:4px;background:var(--coral);border-radius:50%}
        .article-layout{display:grid;grid-template-columns:minmax(0,840px) 250px;gap:60px;align-items:start}
        .article-section{padding:72px 0}
        .article-body{
            background:#fff;border:1px solid var(--line);border-radius:var(--radius);
            padding:clamp(25px,5vw,58px);box-shadow:var(--shadow);
            font-size:16px;line-height:1.95
        }
        .article-body h2{
            font-size:28px;line-height:1.35;
            margin:38px 0 16px;padding-left:16px;
            border-left:5px solid var(--purple)
        }
        .article-body h3{font-size:21px;margin:30px 0 12px}
        .article-body p{margin-bottom:20px}
        .article-body ul,.article-body ol{padding-left:26px;margin:14px 0 24px}
        .article-body li{margin:8px 0}
        .article-body blockquote{
            margin:26px 0;padding:18px 22px;
            border-left:4px solid var(--lime-dark);
            background:#f5f8e8;color:#555b3d;border-radius:0 12px 12px 0
        }
        .article-body img{border-radius:13px;margin:28px auto}
        .article-body table{width:100%;border-collapse:collapse;margin:24px 0}
        .article-body th,.article-body td{padding:12px;border:1px solid var(--line);text-align:left}
        .article-body th{background:var(--purple-soft);color:var(--purple)}
        .article-body a{color:var(--purple);font-weight:700;text-decoration:underline;text-underline-offset:3px}
        .article-side{position:sticky;top:105px}
        .side-card{
            background:var(--dark);color:#fff;border-radius:var(--radius);
            padding:24px;margin-bottom:18px
        }
        .side-card h3{font-size:19px;margin-bottom:12px}
        .side-card p{color:#bbb8c1;font-size:13px;margin-bottom:18px}
        .side-links{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:9px 20px}
        .side-links a{
            display:block;padding:13px 0;border-bottom:1px solid var(--line);
            font-size:13px;font-weight:700
        }
        .side-links a:last-child{border-bottom:0}
        .side-links a:before{content:"↗";color:var(--purple);margin-right:8px}
        .empty-state{
            text-align:center;padding:78px 24px;background:#fff;
            border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
        }
        .empty-icon{
            width:58px;height:58px;border-radius:16px;background:var(--purple-soft);
            color:var(--purple);display:grid;place-items:center;
            margin:0 auto 18px;font-size:26px;font-weight:900
        }
        .empty-state h2{font-size:25px;margin-bottom:8px}
        .empty-state p{color:var(--muted);margin-bottom:22px}
        .related{padding:0 0 78px}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:25px}
        .section-head h2{font-size:31px;line-height:1.25;margin-bottom:0}
        .section-head p{color:var(--muted);margin:7px 0 0}
        .related-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}
        .related-card{
            min-height:170px;background:#fff;border:1px solid var(--line);
            border-radius:var(--radius);padding:24px;display:flex;
            flex-direction:column;justify-content:space-between;transition:var(--ease)
        }
        .related-card:hover{border-color:var(--purple);box-shadow:var(--shadow);transform:translateY(-3px)}
        .related-card h3{font-size:19px;line-height:1.45;margin:15px 0}
        .related-card p{font-size:13px;color:var(--muted);margin:0}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:800;width:max-content}
        .tag.lime{background:var(--lime);color:#222}
        .tag.coral{background:#ffe4de;color:#b74632}
        .cta{
            background:var(--purple);color:#fff;border-radius:var(--radius);
            padding:38px 44px;display:flex;align-items:center;
            justify-content:space-between;gap:25px;margin-bottom:78px
        }
        .cta h2{font-size:29px;margin-bottom:8px}
        .cta p{color:#e6dcff;margin:0}
        .cta .btn{background:var(--lime);color:var(--ink)}
        .cta .btn:hover{background:#ddff72;transform:translateY(-2px)}
        footer{background:var(--dark);color:#fff;padding:55px 0 20px}
        .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:42px;padding-bottom:42px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand .brand-text{color:#fff}
        .footer-brand p{color:#aaa7b1;max-width:330px;font-size:13px}
        footer h3{font-size:14px;color:var(--lime);margin-bottom:15px}
        footer .footer-grid>div:not(.footer-brand) a{display:block;color:#aaa7b1;font-size:13px;padding:4px 0;transition:var(--ease)}
        footer .footer-grid>div:not(.footer-brand) a:hover{color:#fff;padding-left:4px}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,.1);padding-top:19px;
            display:flex;justify-content:space-between;gap:20px;
            color:#85828c;font-size:12px
        }
        .footer-bottom nav{display:flex;gap:18px}
        .footer-bottom a:hover{color:var(--lime)}
        .btn:focus-visible,.main-nav a:focus-visible,.nav-cta:focus-visible,.menu-toggle:focus-visible{
            outline:3px solid rgba(198,242,73,.9);outline-offset:3px
        }
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.main-nav a{padding:10px 8px;font-size:13px}
            .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:28px}
            .footer-grid{gap:25px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice-inner{padding:8px 0;min-height:0}
            .notice-inner a{display:none}
            .nav-wrap{min-height:68px;justify-content:space-between}
            .brand{min-width:0}.brand-text{font-size:15px}.brand-text small{font-size:10px}
            .main-nav{
                display:none;position:absolute;left:16px;right:16px;top:76px;
                background:#fff;border:1px solid var(--line);border-radius:14px;
                padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:13px 14px}
            .nav-cta{display:none}.menu-toggle{display:block}
            .article-hero{padding:48px 0 42px}
            .article-heading h1{font-size:36px}
            .article-layout{display:block}
            .article-side{position:static;margin-top:24px}
            .article-section{padding:42px 0}
            .article-body{font-size:15px;padding:25px 21px}
            .article-body h2{font-size:24px}
            .related-grid{grid-template-columns:1fr}
            .related-card{min-height:145px}
            .cta{display:block;padding:30px 25px;margin-bottom:48px}
            .cta .btn{margin-top:22px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom nav{margin-top:10px}
        }
        @media(max-width:480px){
            .brand-mark{width:38px;height:38px}
            .article-heading h1{font-size:30px}
            .article-intro{font-size:15px}
            .article-meta{gap:8px}
            .article-body{border-radius:13px}
            .article-body table{font-size:13px;display:block;overflow-x:auto}
            .footer-grid{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
            .footer-bottom nav{flex-wrap:wrap}
        }

/* roulang page: category3 */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible{outline:3px solid var(--lime-dark);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{background:var(--dark);color:#fff;font-size:13px;padding:9px 0}
        .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:18px}
        .notice strong{color:var(--lime);margin-right:8px}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{background:rgba(245,243,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{width:42px;height:42px;background:var(--purple);color:#fff;border-radius:12px 12px 5px 12px;display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:-1px;box-shadow:4px 4px 0 var(--lime)}
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:11px 13px;color:#5d5a63;border-radius:10px;position:relative;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{content:"";height:3px;width:22px;background:var(--purple);border-radius:4px;position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 18px;font-weight:800;transition:var(--ease);white-space:nowrap}
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px);color:#fff}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        h1,h2,h3,p{margin-top:0}
        .hero{padding:76px 0 74px;background:var(--paper);overflow:hidden}
        .hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:18px}
        .eyebrow:before{content:"";width:28px;height:4px;background:var(--lime);border-radius:5px}
        h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-2px;margin-bottom:22px}
        .hero-copy{font-size:17px;color:var(--muted);max-width:560px;line-height:1.9;margin-bottom:30px}
        .actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{padding:14px 22px}
        .btn-primary{background:var(--purple);color:#fff}
        .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
        .btn-secondary:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
        .app-stage{background:var(--dark);border-radius:28px;min-height:390px;padding:28px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
        .app-stage:before{content:"C7";position:absolute;right:-30px;bottom:-85px;color:rgba(110,53,216,.4);font-size:240px;line-height:1;font-weight:900}
        .phone{width:220px;height:350px;background:#faf9ff;border:8px solid #393740;border-radius:30px;position:relative;margin:0 auto;z-index:1;box-shadow:0 18px 35px rgba(0,0,0,.25)}
        .phone:before{content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:72px;height:8px;border-radius:10px;background:#393740}
        .phone-screen{padding:34px 17px 16px}
        .screen-head{display:flex;justify-content:space-between;align-items:center;font-weight:900;color:var(--purple);font-size:13px}
        .screen-banner{height:82px;margin:18px 0 14px;border-radius:13px;background:var(--purple);padding:14px;color:#fff;font-size:18px;font-weight:900;line-height:1.35}
        .screen-line{height:9px;border-radius:10px;background:#e9e4f4;margin:11px 0}
        .screen-line.short{width:64%}
        .screen-card{margin-top:18px;padding:12px;border-radius:12px;background:#f0edff}
        .screen-card b{display:block;color:var(--ink);font-size:12px}
        .screen-card span{font-size:10px;color:var(--muted)}
        .stage-label{position:absolute;left:28px;top:28px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:.08em}
        .stage-info{position:absolute;right:28px;bottom:30px;color:#c8c5cd;font-size:13px;line-height:1.9;z-index:2}
        .stage-info strong{display:block;color:#fff;font-size:18px}
        .section{padding:84px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin-bottom:0}
        .section-head p{color:var(--muted);margin:8px 0 0}
        .download-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
        .download-card,.update-card,.prep-card,.faq-item{border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
        .download-card{padding:36px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
        .download-card h2{font-size:32px;line-height:1.3;max-width:470px;margin:16px 0}
        .download-card p{color:#b9b6bf;max-width:500px}
        .mini-meta{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:800}
        .tag.lime{background:var(--lime);color:#292929}
        .tag.coral{background:#ffe4de;color:#b74632}
        .download-card .btn{background:var(--lime);color:#202027}
        .download-card .btn:hover{background:#ddff72;transform:translateY(-2px)}
        .qr-box{position:absolute;right:34px;bottom:34px;width:104px;height:104px;background:#fff;border-radius:10px;padding:10px;display:grid;grid-template-columns:repeat(5,1fr);gap:3px}
        .qr-box i{background:var(--dark);display:block}
        .qr-box i:nth-child(2n),.qr-box i:nth-child(7),.qr-box i:nth-child(16){background:var(--purple)}
        .update-card{padding:32px}
        .update-card h3{font-size:23px;margin:12px 0}
        .update-card p{color:var(--muted)}
        .update-list{list-style:none;padding:0;margin:22px 0 0}
        .update-list li{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-top:1px solid var(--line);font-size:14px}
        .update-list span{color:var(--muted);white-space:nowrap}
        .dark-section{background:var(--dark);color:#fff}
        .dark-section .section-head p{color:#aaa7b2}
        .feature-row{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
        .feature-panel{padding:34px;border-radius:var(--radius);background:var(--purple);min-height:245px;position:relative;overflow:hidden}
        .feature-panel:after{content:"APP";position:absolute;right:18px;bottom:-28px;font-size:100px;font-weight:900;color:rgba(255,255,255,.12)}
        .feature-panel h3{font-size:28px;max-width:430px;line-height:1.35}
        .feature-panel p{color:#e8ddff;max-width:500px}
        .feature-list{display:grid;gap:12px}
        .feature-list a{padding:20px 22px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.04);transition:var(--ease)}
        .feature-list a:hover{border-color:var(--lime);background:rgba(198,242,73,.08);transform:translateX(4px)}
        .feature-list strong{display:block;margin-bottom:4px}
        .feature-list span{font-size:13px;color:#bcb8c4}
        .prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
        .prep-card{padding:26px;min-height:175px}
        .number{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--purple-soft);color:var(--purple);font-weight:900;margin-bottom:17px}
        .prep-card h3{font-size:18px;margin-bottom:8px}
        .prep-card p{font-size:14px;color:var(--muted);margin-bottom:0}
        .faq-list{max-width:850px;margin:auto;display:grid;gap:12px}
        .faq-item{overflow:hidden;box-shadow:none}
        .faq-item summary{padding:19px 22px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";color:var(--purple);font-size:20px}
        .faq-item[open] summary{color:var(--purple);border-bottom:1px solid var(--line)}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:16px 22px 20px;color:var(--muted);font-size:14px}
        .cta{padding:58px 0;background:var(--purple-soft)}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:30px;margin-bottom:8px}
        .cta p{color:var(--muted);margin:0}
        footer{background:var(--dark);color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
        .footer-brand .brand{margin-bottom:20px}
        .footer-brand p{color:#aaa7b2;max-width:310px;font-size:13px}
        footer h3{font-size:14px;color:var(--lime);margin:7px 0 15px}
        footer .footer-grid>div:not(.footer-brand) a{display:block;color:#b9b6bf;font-size:13px;margin:9px 0;transition:var(--ease)}
        footer .footer-grid>div:not(.footer-brand) a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:19px;color:#898691;font-size:12px}
        .footer-bottom nav{display:flex;gap:18px}
        .footer-bottom a:hover{color:var(--lime)}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:215px}.main-nav a{padding:10px 8px;font-size:14px}
            .hero-grid{gap:35px}.qr-box{position:static;margin-top:25px}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice-inner{align-items:flex-start;flex-direction:column;gap:2px}
            .nav-wrap{min-height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:15px}.brand-text small{font-size:10px}
            .menu-toggle{display:block}.nav-cta{display:none}
            .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}
            .main-nav.open{display:flex}.main-nav a{padding:13px 15px}
            .hero{padding:58px 0}.hero-grid,.download-layout,.feature-row{grid-template-columns:1fr}
            h1{font-size:42px}.app-stage{min-height:360px}
            .section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:28px}.section-head a{display:inline-flex;margin-top:16px}
            .prep-grid{grid-template-columns:1fr}.feature-panel{min-height:220px}
            .cta-inner{display:block}.cta .btn{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
        }
        @media(max-width:480px){
            .brand-mark{width:37px;height:37px;font-size:14px}.brand-text small{display:none}
            h1{font-size:35px;letter-spacing:-1px}.hero-copy{font-size:15px}
            .actions{display:grid}.actions .btn{width:100%}
            .app-stage{padding:22px;min-height:345px}.phone{transform:scale(.88);transform-origin:center top}
            .stage-label{left:20px;top:20px}.stage-info{left:20px;right:auto;bottom:18px}
            .download-card,.update-card,.prep-card{padding:25px}.download-card h2{font-size:27px}
            .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom nav{margin-top:12px}
        }

/* roulang page: category2 */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            color:var(--ink);
            background:var(--paper);
            line-height:1.7;
            font-size:15px;
        }
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible{outline:3px solid var(--lime-dark);outline-offset:3px}
        img{max-width:100%;height:auto;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        h1,h2,h3,h4,p{margin-top:0}
        h1,h2,h3,h4{font-weight:900;letter-spacing:-.04em}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{
            min-height:38px;
            display:flex;
            align-items:center;
            background:var(--dark);
            color:#fff;
            font-size:13px;
        }
        .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
        .notice strong{color:var(--lime);font-weight:800}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{
            background:rgba(245,243,239,.96);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
            backdrop-filter:blur(12px);
        }
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{
            width:42px;height:42px;background:var(--purple);color:#fff;
            border-radius:12px 12px 5px 12px;display:grid;place-items:center;
            font-size:16px;font-weight:900;letter-spacing:-1px;
            box-shadow:4px 4px 0 var(--lime);flex:none;
        }
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{
            padding:11px 13px;color:#5d5a63;border-radius:10px;
            position:relative;white-space:nowrap;transition:var(--ease)
        }
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{
            content:"";height:3px;width:22px;background:var(--purple);
            border-radius:4px;position:absolute;bottom:2px;left:50%;
            transform:translateX(-50%)
        }
        .nav-cta,.btn{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:11px;padding:12px 18px;font-weight:800;
            transition:var(--ease);white-space:nowrap
        }
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        .page-hero{
            position:relative;overflow:hidden;padding:82px 0 76px;
            background:var(--paper);border-bottom:1px solid var(--line)
        }
        .page-hero:before{
            content:"";position:absolute;width:470px;height:470px;
            border:1px solid #ddd2f7;border-radius:50%;right:-145px;top:-210px
        }
        .page-hero:after{
            content:"";position:absolute;width:9px;height:9px;background:var(--coral);
            border-radius:50%;right:17%;top:92px;
            box-shadow:36px 26px 0 var(--lime),-25px 49px 0 var(--purple)
        }
        .hero-inner{position:relative;z-index:1;max-width:880px}
        .eyebrow{
            display:inline-flex;align-items:center;gap:8px;color:var(--purple);
            font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:18px
        }
        .eyebrow:before{content:"";width:28px;height:4px;background:var(--lime);border-radius:5px}
        .page-hero h1{font-size:clamp(38px,6vw,68px);line-height:1.12;margin-bottom:22px;max-width:760px}
        .page-hero h1 em{font-style:normal;color:var(--purple)}
        .hero-copy{font-size:17px;color:var(--muted);max-width:730px;line-height:1.9;margin-bottom:28px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .btn{padding:14px 22px}
        .btn-primary{background:var(--purple);color:#fff}
        .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
        .btn-secondary:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
        .section{padding:82px 0}
        .section-soft{background:#fff}
        .section-dark{background:var(--dark);color:#fff}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;margin-bottom:0}
        .section-head p{color:var(--muted);margin:8px 0 0}
        .section-dark .section-head p{color:#b9b6bf}
        .section-link{color:var(--purple);font-weight:800;white-space:nowrap}
        .section-link:hover{color:var(--purple-dark)}
        .guide-intro{display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch}
        .feature-guide{
            min-height:330px;border-radius:var(--radius);padding:34px;
            color:#fff;background:var(--purple);position:relative;overflow:hidden;
            display:flex;flex-direction:column;justify-content:end;box-shadow:var(--shadow)
        }
        .feature-guide:before{
            content:"攻略";position:absolute;right:22px;top:12px;
            font-size:92px;line-height:1;color:rgba(255,255,255,.13);font-weight:900
        }
        .feature-guide:after{
            content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(198,242,73,.5);
            border-radius:50%;right:-45px;bottom:-70px
        }
        .feature-guide>*{position:relative;z-index:1}
        .tag{
            display:inline-flex;align-items:center;width:max-content;padding:5px 10px;
            border-radius:7px;background:var(--purple-soft);color:var(--purple);
            font-size:12px;font-weight:800
        }
        .tag.lime{background:var(--lime);color:#222}
        .tag.coral{background:#ffe4de;color:#b74632}
        .feature-guide h3{font-size:29px;line-height:1.35;margin:16px 0 10px;max-width:570px}
        .feature-guide p{color:#e3dafa;max-width:590px;margin-bottom:20px}
        .feature-guide .read-link{color:var(--lime);font-weight:800}
        .guide-side{display:flex;flex-direction:column;gap:14px}
        .guide-card{
            background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
            padding:23px 25px;display:flex;gap:18px;align-items:flex-start;
            transition:var(--ease);flex:1
        }
        .guide-card:hover{background:#fff;border-color:#cdbcf4;box-shadow:var(--shadow);transform:translateX(4px)}
        .number{
            width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
            background:var(--lime);color:var(--ink);font-weight:900;flex:none
        }
        .guide-card h3{font-size:18px;line-height:1.35;margin:0 0 6px}
        .guide-card p{color:var(--muted);font-size:13px;margin:0}
        .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .path-step{
            background:#fff;border:1px solid var(--line);border-radius:var(--radius);
            padding:25px;position:relative;min-height:185px;transition:var(--ease)
        }
        .path-step:hover{border-color:var(--purple);box-shadow:var(--shadow);transform:translateY(-4px)}
        .path-step:not(:last-child):after{
            content:"→";position:absolute;right:-18px;top:68px;color:var(--purple);
            font-size:25px;font-weight:900;z-index:2
        }
        .step-label{color:var(--purple);font-size:12px;font-weight:900;letter-spacing:.08em}
        .path-step h3{font-size:20px;margin:12px 0 8px}
        .path-step p{color:var(--muted);font-size:13px;margin:0}
        .topic-band{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
        .topic-band h2{font-size:36px;line-height:1.25;margin-bottom:16px}
        .topic-band p{color:#b9b6bf;max-width:430px}
        .topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
        .topic-item{
            display:flex;align-items:center;justify-content:space-between;gap:16px;
            padding:19px 20px;border:1px solid rgba(255,255,255,.12);
            border-radius:14px;background:rgba(255,255,255,.04);transition:var(--ease)
        }
        .topic-item:hover{border-color:var(--lime);background:rgba(198,242,73,.08)}
        .topic-item strong{font-size:16px}
        .topic-item span{color:var(--lime);font-size:20px}
        .tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
        .tips-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
        .tips-panel h3{font-size:23px;margin-bottom:18px}
        .tips-panel ul{padding:0;margin:0;list-style:none}
        .tips-panel li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted)}
        .tips-panel li:last-child{border-bottom:0;padding-bottom:0}
        .tips-panel li:before{content:"✓";color:var(--purple);font-weight:900}
        .faq-list{max-width:900px;margin:auto}
        .faq-item{border-top:1px solid var(--line)}
        .faq-item:last-child{border-bottom:1px solid var(--line)}
        .faq-question{
            width:100%;background:transparent;display:flex;justify-content:space-between;
            align-items:center;text-align:left;padding:21px 4px;font-weight:800;color:var(--ink)
        }
        .faq-question span:last-child{font-size:24px;color:var(--purple);font-weight:400;transition:var(--ease)}
        .faq-question[aria-expanded="true"] span:last-child{transform:rotate(45deg)}
        .faq-answer{display:none;color:var(--muted);padding:0 38px 22px 4px}
        .faq-answer.open{display:block}
        .cta{
            background:var(--purple);color:#fff;border-radius:24px;padding:42px 48px;
            display:flex;justify-content:space-between;align-items:center;gap:28px;
            position:relative;overflow:hidden
        }
        .cta:after{content:"C7";position:absolute;right:25px;bottom:-70px;font-size:190px;font-weight:900;color:rgba(255,255,255,.1)}
        .cta-content{position:relative;z-index:1}
        .cta h2{font-size:32px;margin-bottom:10px}
        .cta p{color:#e3dafa;margin:0;max-width:620px}
        .cta .btn{position:relative;z-index:1;background:var(--lime);color:var(--ink)}
        .cta .btn:hover{background:#ddff72;transform:translateY(-2px)}
        footer{background:var(--dark);color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand p{color:#aaa7b2;max-width:310px;font-size:13px}
        footer h3{font-size:14px;margin:5px 0 15px;color:#fff}
        footer .footer-grid>div:not(.footer-brand) a{display:block;color:#aaa7b2;font-size:13px;margin:9px 0;transition:var(--ease)}
        footer .footer-grid>div:not(.footer-brand) a:hover{color:var(--lime);padding-left:3px}
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
            display:flex;justify-content:space-between;gap:20px;color:#8e8b95;font-size:12px
        }
        .footer-bottom nav{display:flex;gap:18px}
        .footer-bottom a:hover{color:var(--lime)}
        @media(max-width:1024px){
            .nav-wrap{gap:16px}.brand{min-width:210px}.main-nav a{padding:10px 8px;font-size:14px}
            .nav-cta{padding:11px 13px;font-size:13px}
            .guide-intro,.topic-band{grid-template-columns:1fr 1fr}.path-grid{grid-template-columns:repeat(2,1fr)}
            .path-step:not(:last-child):after{display:none}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice-inner{padding:8px 0}.notice-inner a{display:none}
            .nav-wrap{min-height:68px;justify-content:space-between}
            .brand{min-width:0}.brand-text{font-size:16px}.brand-text small{font-size:10px}
            .main-nav{
                display:none;position:absolute;left:16px;right:16px;top:68px;
                background:#fff;border:1px solid var(--line);border-radius:14px;
                padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}.main-nav a{padding:13px 15px}
            .nav-cta{display:none}.menu-toggle{display:block}
            .page-hero{padding:62px 0 58px}.page-hero h1{font-size:43px}
            .hero-copy{font-size:16px}.section{padding:62px 0}
            .section-head{display:block}.section-head h2{font-size:28px}.section-link{display:inline-block;margin-top:13px}
            .guide-intro,.topic-band,.tips-grid{grid-template-columns:1fr}
            .feature-guide{min-height:330px}.path-grid{grid-template-columns:1fr 1fr}
            .topic-band{gap:28px}.topic-band h2{font-size:30px}.topic-list{grid-template-columns:1fr}
            .cta{display:block;padding:34px 27px}.cta h2{font-size:27px}.cta .btn{margin-top:24px}
            .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            .page-hero h1{font-size:36px}.hero-actions{display:grid;grid-template-columns:1fr}
            .hero-actions .btn{width:100%}.path-grid{grid-template-columns:1fr}
            .guide-card{padding:19px}.feature-guide{padding:27px}.feature-guide h3{font-size:25px}
            .tips-panel{padding:23px}.footer-grid{grid-template-columns:1fr 1fr}
            .footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom nav{margin-top:12px}
        }

/* roulang page: category5 */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        a:focus-visible,button:focus-visible{outline:3px solid var(--lime-dark);outline-offset:3px}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{background:var(--dark);color:#fff;font-size:13px;padding:8px 0}
        .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
        .notice strong{color:var(--lime);margin-right:10px}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{background:rgba(245,243,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{width:42px;height:42px;background:var(--purple);color:#fff;border-radius:12px 12px 5px 12px;display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:-1px;box-shadow:4px 4px 0 var(--lime)}
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:11px 13px;color:#5d5a63;border-radius:10px;position:relative;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{content:"";height:3px;width:22px;background:var(--purple);border-radius:4px;position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 18px;font-weight:800;transition:var(--ease);white-space:nowrap}
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px)}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        .hero{padding:78px 0 68px;background:var(--paper);position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;width:410px;height:410px;border:1px solid #ddd2f7;border-radius:50%;right:-115px;top:-160px}
        .hero:after{content:"";position:absolute;width:9px;height:9px;background:var(--coral);border-radius:50%;right:16%;top:100px;box-shadow:35px 26px 0 var(--lime),-24px 48px 0 var(--purple)}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:18px}
        .eyebrow:before{content:"";width:28px;height:4px;background:var(--lime);border-radius:5px}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-2px;margin-bottom:22px;font-weight:900}
        .hero-copy{font-size:17px;color:var(--muted);max-width:600px;line-height:1.9;margin-bottom:30px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .btn{padding:14px 22px}
        .btn-primary{background:var(--purple);color:#fff}
        .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
        .btn-secondary:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
        .hero-panel{background:var(--dark);color:#fff;border-radius:28px;padding:28px;min-height:330px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
        .hero-panel:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.1);border-radius:20px}
        .panel-top,.panel-content{position:relative;z-index:1}
        .panel-top{display:flex;justify-content:space-between;align-items:center;color:#aaa7b2;font-size:12px}
        .online{color:var(--lime);display:flex;align-items:center;gap:7px}
        .online i{display:block;width:8px;height:8px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(198,242,73,.12)}
        .panel-content{margin-top:55px}
        .panel-content h2{font-size:32px;line-height:1.25;margin-bottom:14px}
        .panel-content p{color:#c2beca;max-width:390px}
        .panel-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:800}
        .tag.lime{background:var(--lime);color:#292929}
        .tag.coral{background:#ffe4de;color:#b74632}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{font-size:32px;line-height:1.25;letter-spacing:-1px;margin-bottom:0}
        .section-head p{color:var(--muted);margin:8px 0 0}
        .text-link{color:var(--purple);font-weight:800;white-space:nowrap}
        .text-link:hover{color:var(--purple-dark)}
        .interactive-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
        .feature-card{background:var(--purple);color:#fff;border-radius:var(--radius);padding:35px;min-height:315px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end;transition:var(--ease)}
        .feature-card:hover{transform:translateY(-4px);box-shadow:0 18px 35px rgba(110,53,216,.22)}
        .feature-card:before{content:"互动";position:absolute;right:25px;top:18px;font-size:76px;font-weight:900;color:rgba(255,255,255,.12)}
        .feature-card h3{font-size:28px;line-height:1.35;margin:16px 0 10px;max-width:520px}
        .feature-card p{color:#e4dcf8;max-width:520px;margin-bottom:0}
        .side-stack{display:grid;gap:20px}
        .topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;min-height:147px;position:relative;transition:var(--ease)}
        .topic-card:hover{border-color:var(--purple);transform:translateY(-3px);box-shadow:var(--shadow)}
        .topic-card h3{font-size:19px;margin:12px 0 6px}
        .topic-card p{color:var(--muted);font-size:13px;margin-bottom:0;padding-right:25px}
        .topic-card .arrow{position:absolute;right:24px;bottom:22px;color:var(--purple);font-size:21px}
        .dark-section{background:var(--dark);color:#fff}
        .dark-section .section-head p{color:#aaa7b2}
        .theme-strip{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:14px}
        .theme-item{border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px;background:#2c2b34;min-height:190px;transition:var(--ease)}
        .theme-item:first-child{background:#342456;border-color:rgba(198,242,73,.3)}
        .theme-item:hover{border-color:var(--lime);transform:translateY(-3px)}
        .theme-no{color:var(--lime);font-size:13px;font-weight:900;letter-spacing:.1em}
        .theme-item h3{font-size:21px;margin:24px 0 8px}
        .theme-item p{color:#bdb9c4;font-size:14px;margin-bottom:0}
        .path-section{background:#fff}
        .path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .path-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:var(--paper);position:relative}
        .path-card strong{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--lime);font-size:16px}
        .path-card h3{font-size:19px;margin:20px 0 7px}
        .path-card p{color:var(--muted);font-size:14px;margin-bottom:0}
        .status-section{padding-top:0;background:#fff}
        .status-box{border-radius:var(--radius);background:var(--purple-soft);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:25px}
        .status-box h2{font-size:25px;margin-bottom:6px}
        .status-box p{color:var(--muted);margin-bottom:0}
        .status-mark{display:flex;align-items:center;gap:9px;color:var(--purple);font-weight:800;white-space:nowrap}
        .status-mark i{width:10px;height:10px;background:var(--lime-dark);border-radius:50%}
        .faq-section{padding-top:20px}
        .faq-list{max-width:860px;margin:auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item summary{list-style:none;cursor:pointer;padding:21px 4px;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:15px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";color:var(--purple);font-size:24px;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{color:var(--muted);padding:0 45px 22px 4px;line-height:1.85}
        .cta{padding:72px 0;background:var(--lime)}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{font-size:34px;line-height:1.25;margin-bottom:8px}
        .cta p{margin-bottom:0;color:#4d5235}
        .cta .btn{background:var(--dark);color:#fff}
        .cta .btn:hover{background:var(--purple-dark);transform:translateY(-2px)}
        footer{background:var(--dark);color:#fff;padding:58px 0 20px}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand p{color:#aaa7b2;max-width:330px;font-size:14px}
        footer h3{font-size:14px;margin:5px 0 15px;color:#fff}
        footer .footer-grid a:not(.brand){display:block;color:#aaa7b2;font-size:14px;margin:8px 0;transition:var(--ease)}
        footer .footer-grid a:not(.brand):hover,footer .footer-bottom a:hover{color:var(--lime)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#898691;font-size:12px}
        .footer-bottom nav{display:flex;gap:20px}
        .footer-bottom a{transition:var(--ease)}
        @media(max-width:1024px){
            .nav-wrap{gap:14px}.brand{min-width:215px}.main-nav a{padding:10px 8px;font-size:14px}
            .hero-grid{gap:35px}.theme-strip{grid-template-columns:1fr 1fr}.theme-item:first-child{grid-column:span 2}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice-inner{align-items:flex-start;flex-direction:column;gap:2px}
            .nav-wrap{min-height:68px;justify-content:space-between}.brand{min-width:0}.brand-text{font-size:15px}.brand-text small{font-size:10px}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;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 15px}.main-nav a.active:after{left:12px;transform:none;bottom:8px;width:4px;height:20px}
            .nav-cta{display:none}.menu-toggle{display:block}
            .hero{padding:58px 0 50px}.hero-grid{grid-template-columns:1fr;gap:35px}h1{font-size:42px}
            .hero-panel{min-height:285px}.section{padding:58px 0}.section-head{display:block}.section-head h2{font-size:28px}.text-link{display:inline-block;margin-top:15px}
            .interactive-layout{grid-template-columns:1fr}.theme-strip{grid-template-columns:1fr}.theme-item:first-child{grid-column:auto}
            .path-grid{grid-template-columns:1fr}.status-box,.cta-inner{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:span 2}
        }
        @media(max-width:480px){
            .container{width:calc(100% - 28px)}h1{font-size:35px;letter-spacing:-1px}.hero-copy{font-size:15px}
            .hero-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.feature-card{min-height:285px;padding:27px}.feature-card h3{font-size:24px}
            .download-card{padding:25px}.status-box{padding:24px}.cta h2{font-size:28px}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom nav{margin-top:12px}
        }

/* roulang page: category4 */
:root{
            --purple:#6e35d8;
            --purple-dark:#4e239f;
            --purple-soft:#eee8ff;
            --lime:#c6f249;
            --lime-dark:#9fca1f;
            --coral:#ff765e;
            --ink:#202027;
            --muted:#72727d;
            --paper:#f5f3ef;
            --white:#fff;
            --dark:#24232a;
            --line:#e5e1dc;
            --radius:18px;
            --shadow:0 14px 40px rgba(39,28,59,.09);
            --container:1200px;
            --ease:.25s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 48px));margin:auto}
        .notice{background:var(--dark);color:#fff;font-size:13px;padding:8px 0}
        .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:18px}
        .notice strong{color:var(--lime);margin-right:8px}
        .notice a{color:#fff;opacity:.82;transition:var(--ease)}
        .notice a:hover{opacity:1;color:var(--lime)}
        .site-header{background:rgba(245,243,239,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:10px;min-width:245px}
        .brand-mark{width:42px;height:42px;background:var(--purple);color:#fff;border-radius:12px 12px 5px 12px;display:grid;place-items:center;font-size:16px;font-weight:900;letter-spacing:-1px;box-shadow:4px 4px 0 var(--lime)}
        .brand-text{font-weight:900;line-height:1.15;font-size:17px;letter-spacing:-.5px}
        .brand-text small{display:block;color:var(--muted);font-size:11px;font-weight:600;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:11px 13px;color:#5d5a63;border-radius:10px;position:relative;white-space:nowrap;transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--purple);background:var(--purple-soft)}
        .main-nav a.active:after{content:"";height:3px;width:22px;background:var(--purple);border-radius:4px;position:absolute;bottom:2px;left:50%;transform:translateX(-50%)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 18px;font-weight:800;transition:var(--ease);white-space:nowrap}
        .nav-cta{background:var(--purple);color:#fff;box-shadow:0 6px 16px rgba(110,53,216,.2)}
        .nav-cta:hover,.btn-primary:hover{background:var(--purple-dark);transform:translateY(-2px);color:#fff}
        .menu-toggle{display:none;background:transparent;color:var(--ink);font-size:25px;padding:7px}
        .hero{position:relative;overflow:hidden;padding:76px 0 72px;background:var(--paper)}
        .hero:before{content:"";position:absolute;width:420px;height:420px;border:1px solid #ddd2f7;border-radius:50%;right:-130px;top:-160px}
        .hero:after{content:"";position:absolute;width:9px;height:9px;background:var(--coral);border-radius:50%;right:15%;top:90px;box-shadow:35px 26px 0 var(--lime),-24px 48px 0 var(--purple)}
        .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px;position:relative;z-index:1}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:18px}
        .eyebrow:before{content:"";width:28px;height:4px;background:var(--lime);border-radius:5px}
        h1,h2,h3{margin-top:0;color:var(--ink);font-weight:900;letter-spacing:-.7px}
        h1{font-size:clamp(38px,5vw,64px);line-height:1.13;margin-bottom:22px}
        h2{font-size:32px;line-height:1.25}
        .hero-copy{font-size:17px;color:var(--muted);max-width:600px;line-height:1.9;margin-bottom:30px}
        .btn{padding:14px 22px}
        .btn-primary{background:var(--purple);color:#fff}
        .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}
        .btn-secondary:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
        .button-row{display:flex;flex-wrap:wrap;gap:12px}
        .event-board{background:var(--dark);border-radius:28px;padding:26px;box-shadow:var(--shadow);color:#fff;position:relative;overflow:hidden;min-height:330px}
        .event-board:before{content:"动态";position:absolute;right:18px;bottom:-30px;font-size:130px;font-weight:900;color:rgba(110,53,216,.28);line-height:1}
        .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:18px;position:relative;z-index:1}
        .board-title{font-size:18px;font-weight:900}
        .status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--lime);font-weight:800}
        .status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(198,242,73,.12)}
        .event-preview{display:grid;grid-template-columns:58px 1fr;gap:16px;margin-top:25px;position:relative;z-index:1}
        .event-date{background:var(--purple);border-radius:13px;height:63px;display:grid;place-items:center;text-align:center;font-weight:900;line-height:1.15}
        .event-date small{font-size:11px;display:block;color:#ddd1ff}
        .event-preview h3{color:#fff;font-size:21px;line-height:1.35;margin:0 0 8px}
        .event-preview p{color:#b9b6bf;margin:0;font-size:13px}
        .board-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:27px;position:relative;z-index:1}
        .tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:7px;background:var(--purple-soft);color:var(--purple);font-size:12px;font-weight:800}
        .tag.lime{background:var(--lime);color:#222}
        .tag.coral{background:#ffe4de;color:#b74632}
        .section{padding:82px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
        .section-head h2{margin-bottom:0}
        .section-head p{color:var(--muted);margin:8px 0 0}
        .text-link{color:var(--purple);font-weight:800}
        .text-link:hover{color:var(--purple-dark)}
        .event-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
        .featured-event{background:var(--purple);color:#fff;border-radius:var(--radius);padding:34px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
        .featured-event:after{content:"C7";position:absolute;right:-15px;bottom:-62px;font-size:190px;font-weight:900;line-height:1;color:rgba(255,255,255,.1)}
        .featured-event h3{color:#fff;font-size:29px;line-height:1.35;max-width:570px;margin:22px 0 12px;position:relative;z-index:1}
        .featured-event p{color:#e5dafd;max-width:560px;position:relative;z-index:1}
        .featured-event .tag{width:max-content;background:var(--lime);color:#252525;position:relative;z-index:1}
        .featured-event .btn{width:max-content;background:#fff;color:var(--purple);position:relative;z-index:1}
        .featured-event .btn:hover{background:var(--lime);transform:translateY(-2px)}
        .event-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px 26px;box-shadow:var(--shadow)}
        .event-item{display:grid;grid-template-columns:62px 1fr;gap:16px;padding:19px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
        .event-item:last-child{border-bottom:0}
        .event-item:hover{padding-left:6px}
        .event-item time{color:var(--purple);font-size:12px;font-weight:900;padding-top:3px}
        .event-item h3{font-size:16px;line-height:1.4;margin:0 0 5px}
        .event-item p{color:var(--muted);font-size:13px;margin:0}
        .timeline-section{background:#fff}
        .timeline{max-width:900px;margin:auto;border-left:2px solid #dcd0fa;padding-left:34px}
        .timeline-item{position:relative;padding:0 0 34px}
        .timeline-item:last-child{padding-bottom:0}
        .timeline-item:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--lime);border:3px solid var(--purple);left:-41px;top:7px}
        .timeline-meta{display:flex;align-items:center;gap:10px;margin-bottom:9px}
        .timeline-item h3{font-size:21px;margin:0 0 7px}
        .timeline-item p{color:var(--muted);margin:0;max-width:760px}
        .topic-band{background:var(--dark);color:#fff;padding:78px 0}
        .topic-band h2{color:#fff}
        .topic-band .section-head p{color:#aaa7b2}
        .topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
        .topic-main,.topic-side{border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px;background:#2c2b34}
        .topic-main{min-height:220px;display:flex;flex-direction:column;justify-content:space-between}
        .topic-main h3,.topic-side h3{color:#fff;margin:16px 0 8px}
        .topic-main p,.topic-side p{color:#bbb8c2;margin:0}
        .topic-side{display:grid;gap:18px}
        .topic-side article+article{border-top:1px solid rgba(255,255,255,.12);padding-top:18px}
        .topic-band .text-link{color:var(--lime)}
        .info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
        .info-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
        .info-box strong{font-size:25px;color:var(--purple);display:block;margin-bottom:4px}
        .info-box span{color:var(--muted);font-size:13px}
        .faq{max-width:900px;margin:auto}
        .faq details{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:12px;padding:0 20px;transition:var(--ease)}
        .faq details[open]{border-color:#cfc0f5;box-shadow:0 8px 22px rgba(110,53,216,.06)}
        .faq summary{cursor:pointer;list-style:none;font-weight:800;padding:19px 28px 19px 0;position:relative}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary:after{content:"+";position:absolute;right:0;color:var(--purple);font-size:23px;top:14px}
        .faq details[open] summary:after{content:"−"}
        .faq details p{color:var(--muted);margin:0;padding:0 0 19px;line-height:1.8}
        .cta{padding:70px 0}
        .cta-box{background:var(--purple);border-radius:24px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;position:relative;overflow:hidden}
        .cta-box:after{content:"";width:190px;height:190px;border:25px solid rgba(198,242,73,.2);border-radius:50%;position:absolute;right:10%;top:-95px}
        .cta-box h2{color:#fff;margin:0 0 8px;position:relative;z-index:1}
        .cta-box p{color:#e6dbfc;margin:0;position:relative;z-index:1}
        .cta-box .btn{background:var(--lime);color:var(--ink);position:relative;z-index:1}
        .cta-box .btn:hover{background:#ddff72;transform:translateY(-2px)}
        footer{background:var(--dark);color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
        .footer-brand p{color:#aaa7b2;max-width:330px;margin:18px 0 0;font-size:13px}
        footer .brand-text{color:#fff}
        footer h3{color:#fff;font-size:15px;margin:3px 0 14px}
        footer .footer-grid>div:not(.footer-brand) a{display:block;color:#aaa7b2;font-size:13px;margin:9px 0;transition:var(--ease)}
        footer .footer-grid>div:not(.footer-brand) a:hover{color:var(--lime);padding-left:3px}
        .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#918d98;font-size:12px}
        .footer-bottom nav{display:flex;gap:18px}
        .footer-bottom a:hover{color:var(--lime)}
        :focus-visible{outline:3px solid rgba(110,53,216,.35);outline-offset:3px}
        @media(max-width:1024px){
            .nav-wrap{gap:15px}.brand{min-width:220px}.main-nav a{padding:10px 8px;font-size:14px}
            .hero-grid{gap:38px}.event-layout,.topic-grid{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--container),calc(100% - 32px))}
            .notice-inner{align-items:flex-start;flex-direction:column;gap:3px}
            .nav-wrap{min-height:68px}.brand{min-width:0;flex:1}.brand-text{font-size:15px}.brand-text small{font-size:10px}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:13px 15px}
            .nav-cta{display:none}.menu-toggle{display:block}
            .hero{padding:58px 0 55px}.hero-grid{grid-template-columns:1fr;gap:32px}h1{font-size:42px}
            .event-board{min-height:290px}.section{padding:60px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}
            .info-strip{grid-template-columns:1fr}.cta-box{display:block;padding:32px 25px}.cta-box .btn{margin-top:23px;width:100%}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}
        }
        @media(max-width:520px){
            body{font-size:14px}.brand-mark{width:37px;height:37px}.brand-text small{display:none}
            h1{font-size:35px}.hero-copy{font-size:15px}.button-row{display:grid;grid-template-columns:1fr}.button-row .btn{width:100%}
            .event-board{padding:21px;border-radius:20px}.featured-event{padding:25px;min-height:310px}.featured-event h3{font-size:24px}
            .event-list{padding:8px 17px}.event-item{grid-template-columns:54px 1fr;gap:11px}
            .timeline{padding-left:24px}.timeline-item:before{left:-31px}.topic-main,.topic-side{padding:22px}
            .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:block}.footer-bottom nav{margin-top:10px}
        }

/* 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}