/* roulang page: index */
:root{
            --blue:#1769d2;
            --blue-dark:#0f4fa8;
            --blue-soft:#eaf3ff;
            --blue-pale:#f5f9ff;
            --ink:#172235;
            --muted:#68758a;
            --line:#dce5f0;
            --warm:#fff8f1;
            --orange:#e88745;
            --white:#ffffff;
            --shadow:0 18px 48px rgba(28,69,116,.10);
            --shadow-sm:0 8px 24px rgba(28,69,116,.08);
            --radius:18px;
            --radius-sm:11px;
            --max:1200px;
            --space:96px;
            --button-h:48px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:#fbfcfe;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
        a:hover{color:var(--blue)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(23,105,210,.28);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.06em}
        .eyebrow:before{content:"";width:22px;height:2px;background:var(--blue);border-radius:9px}
        .section{padding:var(--space) 0}
        .section-head{max-width:680px;margin-bottom:42px}
        .section-head h2{margin:12px 0 14px;font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.035em}
        .section-head p{margin:0;color:var(--muted);font-size:17px}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(28,69,116,.04)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;letter-spacing:-.04em;font-size:17px;line-height:1.2}
        .brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--blue);color:#fff;border-radius:10px;font-size:15px;box-shadow:0 6px 14px rgba(23,105,210,.24)}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:9px 13px;color:#526075;font-size:14px;border-radius:9px}
        .main-nav a:hover,.main-nav a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .command-search{display:flex;align-items:center;gap:8px;width:205px;height:40px;padding:0 12px;background:#f5f8fc;border:1px solid var(--line);border-radius:9px;color:var(--muted)}
        .command-search:focus-within{background:#fff;border-color:#8db9ef;box-shadow:0 0 0 3px rgba(23,105,210,.10)}
        .command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
        .command-search input::placeholder{color:#97a3b3}
        .btn{height:var(--button-h);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:700;transition:all .2s ease}
        .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,210,.18)}
        .btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,210,.23)}
        .btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
        .btn-secondary{background:#fff;border-color:#b9cce3;color:var(--blue)}
        .btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue);color:var(--blue-dark)}
        .btn-text{height:auto;padding:5px 0;color:var(--blue);background:transparent}
        .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:9px;width:42px;height:40px;color:var(--ink)}
        .hero{padding:70px 0 32px;background:linear-gradient(180deg,#f3f8ff 0%,#fbfcfe 92%)}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
        .hero h1{max-width:650px;margin:18px 0 20px;font-size:clamp(38px,5.4vw,68px);line-height:1.1;letter-spacing:-.065em}
        .hero-copy{max-width:620px;color:var(--muted);font-size:18px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 25px}
        .hero-meta{display:flex;flex-wrap:wrap;gap:18px;color:#607087;font-size:13px}
        .hero-meta span{display:flex;align-items:center;gap:7px}
        .hero-meta b{color:var(--blue)}
        .preview-panel{background:#fff;border:1px solid #d5e3f2;border-radius:22px;padding:22px;box-shadow:var(--shadow);transform:rotate(1deg)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
        .panel-title{font-size:14px;font-weight:800}
        .status{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;background:#eaf8f0;color:#228653;border-radius:99px;font-size:12px;font-weight:700}
        .status:before{content:"";width:6px;height:6px;border-radius:50%;background:#2eb96f}
        .panel-search{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#f6f9fc;border:1px solid var(--line);border-radius:10px;color:#94a1b1;font-size:13px}
        .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0}
        .tag{display:inline-flex;padding:5px 10px;background:#f1f6fc;border:1px solid #dce8f5;color:#53708f;border-radius:7px;font-size:12px}
        .tag.selected{background:var(--blue-soft);border-color:#bdd8f8;color:var(--blue);font-weight:700}
        .screen{position:relative;min-height:184px;display:flex;align-items:center;justify-content:center;background:#dceafd;border-radius:14px;overflow:hidden}
        .screen:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(23,105,210,.14),rgba(255,255,255,.18))}
        .play-icon{position:relative;z-index:1;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);font-size:22px;padding-left:3px;box-shadow:0 8px 24px rgba(23,105,210,.2)}
        .panel-bottom{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
        .mini-stat{padding:10px;background:var(--blue-pale);border-radius:9px}.mini-stat strong{display:block;font-size:18px}.mini-stat span{font-size:11px;color:var(--muted)}
        .notice-strip{margin-top:36px;padding:14px 18px;background:var(--warm);border:1px solid #f4ddc7;border-radius:12px;color:#805b3e;font-size:13px}
        .pain-section{background:#fff}
        .pain-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
        .pain-lead h2{font-size:38px;line-height:1.25;margin:12px 0 18px}.pain-lead p{color:var(--muted)}
        .issue-stack{display:grid;gap:14px}
        .issue{display:grid;grid-template-columns:45px 1fr auto;gap:16px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm);transition:.2s}
        .issue:hover{border-color:#9cc4f1;transform:translateX(4px)}
        .issue-num{color:var(--blue);font-size:14px;font-weight:800}.issue h3{margin:0 0 3px;font-size:16px}.issue p{margin:0;color:var(--muted);font-size:13px}.issue-arrow{color:#9ba9ba}
        .solution{background:var(--blue-pale)}
        .solution-layout{display:grid;grid-template-columns:250px 1fr;gap:22px}
        .steps{display:grid;gap:8px;align-content:start}
        .step{padding:15px 17px;border-left:3px solid transparent;color:#65758c;border-radius:0 10px 10px 0;cursor:pointer}
        .step.active,.step:hover{background:#fff;border-left-color:var(--blue);color:var(--blue);font-weight:700}
        .solution-board{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .board-head{display:flex;justify-content:space-between;gap:15px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}
        .board-head h3{margin:0;font-size:23px}.board-head p{margin:5px 0 0;color:var(--muted);font-size:14px}
        .board-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .board-card{padding:18px;background:#f8fbff;border:1px solid #e1ebf6;border-radius:12px}.board-card b{display:block;margin-bottom:5px}.board-card span{color:var(--muted);font-size:13px}
        .outcome{background:#fff}
        .metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:26px}
        .metric{padding:25px 22px;background:#fff;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric strong{display:block;color:var(--blue);font-size:31px;line-height:1.2}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
        .feature-row{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
        .feature-card{min-height:260px;padding:28px;background:#eaf3ff;border-radius:var(--radius);display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
        .feature-card:before{content:"精选内容";position:absolute;top:24px;right:25px;padding:6px 10px;border-radius:6px;background:#fff;color:var(--blue);font-size:12px;font-weight:700}
        .feature-card h3{font-size:25px;margin:0 0 8px}.feature-card p{margin:0;color:#5d7390;max-width:500px}
        .update-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
        .update-item{display:flex;justify-content:space-between;gap:20px;padding:19px 21px;border-bottom:1px solid var(--line)}.update-item:last-child{border:0}.update-item b{font-size:14px}.update-item span{color:var(--muted);font-size:12px;white-space:nowrap}
        .voices{background:#f7faff}
        .voice-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
        .quote-main,.quote-small{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .quote-main{padding:38px}.quote-mark{color:var(--blue);font-size:48px;line-height:1}.quote-main blockquote{margin:5px 0 25px;font-size:22px;line-height:1.6;font-weight:700}.quote-user{color:var(--muted);font-size:13px}
        .quote-side{display:grid;gap:14px}.quote-small{padding:22px}.quote-small p{margin:0 0 12px;font-size:14px}.quote-small span{color:var(--muted);font-size:12px}
        .info-section{background:#fff}
        .info-layout{display:grid;grid-template-columns:1fr .9fr;gap:22px}
        .guide-card{padding:28px;background:#f7faff;border:1px solid var(--line);border-radius:var(--radius)}
        .guide-list{margin:20px 0 0;padding:0;list-style:none}.guide-list li{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.guide-list li:last-child{border:0}.guide-list i{font-style:normal;color:var(--blue);font-weight:800}
        .topic-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.topic-card h3{margin-top:0}.topic-links{display:flex;flex-wrap:wrap;gap:9px}.topic-links a{padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:13px;color:#586980}.topic-links a:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-pale)}
        .faq-section{background:var(--blue-pale)}
        .faq-list{max-width:860px;margin:0 auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:#fff;padding:20px 22px;color:var(--ink);font-weight:700}.faq-question:hover{color:var(--blue);background:#fbfdff}.faq-question span{font-size:21px;color:var(--blue);transition:transform .2s}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
        .cta{padding:55px 0}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:42px 48px;background:#e7f2ff;border:1px solid #c8def6;border-radius:22px}.cta-panel h2{margin:0 0 8px;font-size:31px}.cta-panel p{margin:0;color:#5e7591}.cta-actions{display:flex;gap:10px;flex-shrink:0}
        .site-footer{padding:42px 0 25px;background:#fff;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:35px}.footer-brand p{max-width:330px;color:var(--muted);font-size:13px}.footer-col h3{font-size:14px;margin:3px 0 12px}.footer-col a{display:block;color:var(--muted);font-size:13px;margin:7px 0}.footer-col a:hover{color:var(--blue)}.copyright{padding-top:19px;border-top:1px solid var(--line);color:#8a96a6;font-size:12px;display:flex;justify-content:space-between;gap:15px}
        .age-modal{position:fixed;inset:0;z-index:50;display:none;place-items:center;padding:20px;background:rgba(24,42,67,.38)}.age-modal.show{display:grid}.age-box{max-width:470px;padding:34px;background:#fff;border-radius:20px;box-shadow:0 24px 80px rgba(15,48,91,.22);text-align:center}.age-icon{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 16px;border-radius:15px;background:var(--warm);color:var(--orange);font-size:25px}.age-box h2{margin:0 0 10px;font-size:25px}.age-box p{color:var(--muted);font-size:14px;margin:0 0 24px}.age-actions{display:flex;justify-content:center;gap:10px}
        @media(max-width:1024px){.brand{min-width:220px}.command-search{width:165px}.hero-grid{gap:35px}.section{padding:76px 0}}
        @media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.nav-wrap{min-height:66px;justify-content:space-between}.brand{min-width:0;max-width:245px;font-size:14px}.brand-mark{width:31px;height:31px;flex:none}.main-nav,.nav-actions .command-search,.nav-actions .btn{display:none}.menu-toggle{display:block}.nav-wrap.menu-open{position:relative}.nav-wrap.menu-open .main-nav{display:flex;position:absolute;top:66px;left:0;right:0;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}.nav-wrap.menu-open .main-nav a{padding:13px 15px}.hero{padding:52px 0 28px}.hero-grid,.pain-grid,.feature-row,.voice-layout,.info-layout{grid-template-columns:1fr}.hero h1{font-size:42px}.preview-panel{transform:none}.solution-layout{grid-template-columns:1fr}.steps{display:flex;overflow:auto;gap:7px}.step{white-space:nowrap;border-left:0;border-bottom:3px solid transparent}.step.active,.step:hover{border-left:0;border-bottom-color:var(--blue)}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.cta-panel{padding:32px 26px;display:block}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
        @media(max-width:520px){.hero h1{font-size:35px}.hero-copy{font-size:16px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.panel-bottom{grid-template-columns:1fr 1fr}.panel-bottom .mini-stat:last-child{grid-column:span 2}.issue{grid-template-columns:32px 1fr}.issue-arrow{display:none}.solution-board{padding:20px}.board-grid{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.metric{padding:18px 14px}.metric strong{font-size:25px}.quote-main{padding:26px}.quote-main blockquote{font-size:18px}.footer-grid{grid-template-columns:1fr}.section-head h2,.pain-lead h2{font-size:30px}}

/* roulang page: category1 */
:root{
 --blue:#1769d2;--blue-dark:#0f4fa8;--blue-soft:#eaf3ff;--blue-pale:#f5f9ff;
 --ink:#172235;--muted:#68758a;--line:#dce5f0;--warm:#fff8f1;--orange:#e88745;
 --white:#fff;--shadow:0 18px 48px rgba(28,69,116,.10);--shadow-sm:0 8px 24px rgba(28,69,116,.08);
 --radius:18px;--radius-sm:11px;--max:1200px;--space:86px;--button-h:48px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fbfcfe;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--blue)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
button:focus,input:focus,a:focus{outline:3px solid rgba(23,105,210,.22);outline-offset:2px}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.04em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue);border-radius:9px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(28,69,116,.04)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;letter-spacing:-.04em;font-size:17px;line-height:1.2}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--blue);color:#fff;border-radius:10px;font-size:15px;box-shadow:0 6px 14px rgba(23,105,210,.24)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.main-nav a{padding:9px 13px;color:#526075;font-size:14px;border-radius:9px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px}
.command-search{display:flex;align-items:center;gap:8px;width:205px;height:40px;padding:0 12px;background:#f5f8fc;border:1px solid var(--line);border-radius:9px;color:var(--muted)}
.command-search:focus-within{background:#fff;border-color:#8db9ef;box-shadow:0 0 0 3px rgba(23,105,210,.1)}
.command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
.command-search input::placeholder{color:#97a3b3}
.btn{height:var(--button-h);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:700;transition:all .2s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,210,.18)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,210,.23)}
.btn-primary:active,.btn-secondary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;border-color:#b9cce3;color:var(--blue)}
.btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue);color:var(--blue-dark)}
.btn-text{height:auto;padding:5px 0;color:var(--blue);background:transparent}
.menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:9px;width:42px;height:40px;color:var(--ink)}
.page-intro{padding:64px 0 42px;background:linear-gradient(180deg,#f3f8ff 0%,#fbfcfe 100%)}
.breadcrumbs{display:flex;gap:9px;align-items:center;margin-bottom:22px;color:#718097;font-size:13px}
.breadcrumbs a{color:var(--blue)}
.intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:54px;align-items:end}
.page-intro h1{max-width:760px;margin:14px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.14;letter-spacing:-.055em}
.page-intro p{max-width:700px;margin:0;color:var(--muted);font-size:17px}
.intro-note{padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.intro-note strong{display:block;margin-bottom:7px}
.intro-note span{color:var(--muted);font-size:13px}
.filter-section{padding:32px 0 42px}
.filter-bar{padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.filter-top{display:flex;gap:12px;align-items:center}
.filter-search{display:flex;align-items:center;gap:10px;flex:1;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#f8fafc;color:#8492a6}
.filter-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}
.filter-actions{display:flex;gap:9px}
.filter-select{height:46px;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#526075}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{display:inline-flex;padding:6px 11px;background:#f1f6fc;border:1px solid #dce8f5;color:#53708f;border-radius:7px;font-size:12px;transition:.2s}
.tag:hover,.tag.selected{background:var(--blue-soft);border-color:#bdd8f8;color:var(--blue);font-weight:700}
.filter-status{display:flex;align-items:center;gap:8px;margin-top:14px;color:var(--muted);font-size:12px}
.status-dot{width:8px;height:8px;border-radius:50%;background:#39a878;box-shadow:0 0 0 4px #e7f7ef}
.feature-strip{display:grid;grid-template-columns:1.35fr .65fr;gap:22px;margin-bottom:44px}
.feature-visual{min-height:278px;padding:30px;display:flex;flex-direction:column;justify-content:flex-end;border-radius:var(--radius);background:#eaf3ff;border:1px solid #d8e8fa;position:relative;overflow:hidden}
.feature-visual:after{content:"18+";position:absolute;right:28px;top:25px;color:var(--blue);font-size:13px;font-weight:800;background:#fff;padding:6px 10px;border-radius:7px}
.feature-visual:before{content:"";position:absolute;right:14%;top:18%;width:190px;height:190px;border:28px solid rgba(23,105,210,.09);border-radius:50%}
.feature-visual h2{position:relative;z-index:1;margin:0 0 8px;font-size:27px;line-height:1.3}
.feature-visual p{position:relative;z-index:1;max-width:560px;margin:0;color:#5d7390}
.summary-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.summary-card h3{margin:0 0 20px;font-size:18px}
.summary-stat{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}
.summary-stat:last-child{border-bottom:0}
.summary-stat span{color:var(--muted)}
.summary-stat b{color:var(--blue)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.list-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.list-heading{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
.list-heading h2{margin:0;font-size:23px}
.list-heading span{color:var(--muted);font-size:12px}
.content-item{display:grid;grid-template-columns:170px 1fr auto;gap:20px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line);transition:.2s}
.content-item:last-child{border-bottom:0}
.content-item:hover{background:#f8fbff}
.cover{height:98px;border-radius:12px;background:#dceafb;position:relative;display:grid;place-items:center;color:var(--blue);font-size:26px;overflow:hidden}
.cover:after{content:"合规封面";position:absolute;bottom:8px;left:9px;padding:2px 7px;background:rgba(255,255,255,.82);border-radius:5px;color:#58718f;font-size:10px}
.item-info h3{margin:0 0 6px;font-size:17px;line-height:1.4}
.item-info p{margin:0 0 8px;color:var(--muted);font-size:13px}
.item-meta{display:flex;flex-wrap:wrap;gap:7px;color:#7b889a;font-size:11px}
.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:6px;background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:700}
.play-link{white-space:nowrap;color:var(--blue);font-size:13px;font-weight:700}
.side-stack{display:grid;gap:18px}
.side-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.side-card h3{margin:0 0 15px;font-size:17px}
.index-list{display:grid;gap:3px}
.index-list a{display:flex;justify-content:space-between;padding:9px 10px;border-radius:8px;color:#526075;font-size:13px}
.index-list a:hover{background:var(--blue-soft);color:var(--blue)}
.index-list em{font-style:normal;color:#98a5b5}
.notice-card{background:var(--warm);border-color:#f2dfcd}
.notice-card p{margin:0;color:#765f4d;font-size:13px}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:28px}
.pagination a,.pagination span{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#5c6b80;font-size:13px}
.pagination a:hover,.pagination span{background:var(--blue);border-color:var(--blue);color:#fff}
.faq-section{padding:var(--space) 0}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}
.faq-lead h2{margin:12px 0;font-size:34px;line-height:1.3}
.faq-lead p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.faq-item summary{padding:17px 20px;cursor:pointer;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";float:right;color:var(--blue);font-size:20px;line-height:1}
.faq-item[open] summary{color:var(--blue);background:var(--blue-pale)}
.faq-item[open] summary:after{content:"－"}
.faq-answer{padding:0 20px 18px;color:var(--muted);font-size:14px}
.cta-section{padding:0 0 var(--space)}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 42px;background:var(--blue-soft);border:1px solid #cfe2f8;border-radius:var(--radius)}
.cta-box h2{margin:0 0 8px;font-size:28px;line-height:1.3}
.cta-box p{margin:0;color:#5d7390}
.cta-actions{display:flex;gap:10px;flex-shrink:0}
.site-footer{padding:58px 0 24px;background:#f1f5fa;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:50px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{max-width:440px;margin:0;color:var(--muted);font-size:13px}
.footer-col{display:grid;align-content:start;gap:8px}
.footer-col h3{margin:0 0 8px;font-size:14px}
.footer-col a{color:#68778c;font-size:13px}
.footer-col a:hover{color:var(--blue)}
.copyright{display:flex;justify-content:space-between;gap:15px;margin-top:42px;padding-top:20px;border-top:1px solid var(--line);color:#8995a5;font-size:12px}
.age-overlay{display:none;position:fixed;inset:0;z-index:100;background:rgba(23,34,53,.36);align-items:center;justify-content:center;padding:20px}
.age-overlay.show{display:flex}
.age-dialog{max-width:450px;padding:34px;background:#fff;border-radius:20px;box-shadow:0 24px 70px rgba(23,34,53,.2);text-align:center}
.age-icon{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 18px;border-radius:16px;background:var(--warm);color:var(--orange);font-weight:800}
.age-dialog h2{margin:0 0 10px;font-size:25px}
.age-dialog p{margin:0 0 23px;color:var(--muted);font-size:14px}
.age-actions{display:flex;justify-content:center;gap:10px}
@media(max-width:1024px){
 .nav-wrap{gap:16px}.brand{min-width:220px}.command-search{width:170px}
 .content-layout{grid-template-columns:1fr 260px}.intro-grid{gap:30px}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav-wrap{min-height:68px}.brand{min-width:0;flex:1;font-size:15px}
 .main-nav,.nav-actions .command-search,.nav-actions .btn{display:none}
 .menu-toggle{display:block}
 .nav-wrap.menu-open .main-nav{display:flex;position:absolute;top:68px;left:16px;right:16px;padding:12px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
 .nav-wrap.menu-open .main-nav a{padding:13px 14px}
 .intro-grid,.feature-strip,.content-layout,.faq-grid{grid-template-columns:1fr}
 .page-intro{padding:45px 0 32px}.page-intro h1{font-size:42px}
 .filter-top{align-items:stretch;flex-direction:column}.filter-actions{display:grid;grid-template-columns:1fr 1fr}
 .content-item{grid-template-columns:125px 1fr}.play-link{grid-column:2}
 .cover{height:82px}.cta-box{align-items:flex-start;flex-direction:column;padding:30px}
}
@media(max-width:520px){
 .page-intro h1{font-size:34px}.hero-actions,.cta-actions{width:100%;flex-direction:column}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .content-item{grid-template-columns:1fr;gap:12px}.cover{height:150px}
 .play-link{grid-column:auto}.list-heading{padding:18px}.content-item{padding:18px}
 .footer-grid{grid-template-columns:1fr;gap:28px}.copyright{flex-direction:column;margin-top:30px}
 .faq-grid{gap:28px}.age-actions{flex-direction:column}.age-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
            --blue:#1769d2;
            --blue-dark:#0f4fa8;
            --blue-soft:#eaf3ff;
            --blue-pale:#f5f9ff;
            --ink:#172235;
            --muted:#68758a;
            --line:#dce5f0;
            --warm:#fff8f1;
            --orange:#e88745;
            --white:#fff;
            --shadow:0 18px 48px rgba(28,69,116,.10);
            --shadow-sm:0 8px 24px rgba(28,69,116,.08);
            --radius:18px;
            --radius-sm:11px;
            --max:1200px;
            --space:88px;
            --button-h:48px;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:#fbfcfe;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:all .2s ease}
        a:hover{color:var(--blue)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(23,105,210,.28);outline-offset:3px}
        .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(28,69,116,.04)}
        .nav-wrap{min-height:76px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;min-width:260px;font-weight:800;letter-spacing:-.04em;font-size:17px;line-height:1.2}
        .brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--blue);color:#fff;border-radius:10px;font-size:15px;box-shadow:0 6px 14px rgba(23,105,210,.24)}
        .main-nav{display:flex;align-items:center;gap:4px;flex:1}
        .main-nav a{padding:9px 13px;color:#526075;font-size:14px;border-radius:9px}
        .main-nav a:hover,.main-nav a.active{background:var(--blue-soft);color:var(--blue);font-weight:700}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .command-search{display:flex;align-items:center;gap:8px;width:205px;height:40px;padding:0 12px;background:#f5f8fc;border:1px solid var(--line);border-radius:9px;color:var(--muted)}
        .command-search:focus-within{background:#fff;border-color:#8db9ef;box-shadow:0 0 0 3px rgba(23,105,210,.10)}
        .command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px}
        .command-search input::placeholder{color:#97a3b3}
        .btn{height:var(--button-h);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 20px;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:700;transition:all .2s ease}
        .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,210,.18)}
        .btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,210,.23)}
        .btn-primary:active{transform:translateY(1px)}
        .btn-secondary{background:#fff;border-color:#b9cce3;color:var(--blue)}
        .btn-secondary:hover{background:var(--blue-pale);border-color:var(--blue);color:var(--blue-dark)}
        .btn-small{height:38px;padding:0 14px;font-size:13px}
        .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:9px;width:42px;height:40px;color:var(--ink)}
        .page-intro{padding:62px 0 34px;background:#f3f8ff;border-bottom:1px solid #e5eef8}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.04em}
        .eyebrow:before{content:"";width:22px;height:2px;background:var(--blue);border-radius:9px}
        .page-intro h1{max-width:820px;margin:16px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.06em}
        .page-intro p{max-width:760px;margin:0;color:var(--muted);font-size:17px}
        .breadcrumb{display:flex;gap:8px;align-items:center;margin-top:24px;color:#718198;font-size:13px}
        .breadcrumb a{color:var(--blue)}
        .command-panel{margin:30px 0 0;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
        .filter-search{display:flex;align-items:center;gap:9px;flex:1;min-width:230px;height:44px;padding:0 13px;background:#f7faff;border:1px solid var(--line);border-radius:9px;color:#8795a8}
        .filter-search input{border:0;outline:0;width:100%;background:transparent;color:var(--ink)}
        .filter-search:focus-within{border-color:#8db9ef;box-shadow:0 0 0 3px rgba(23,105,210,.10);background:#fff}
        .filter-button{height:42px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:9px;color:#53657c;font-size:13px}
        .filter-button:hover,.filter-button.selected{border-color:#a9c9ed;background:var(--blue-soft);color:var(--blue)}
        .filter-status{display:flex;align-items:center;gap:8px;margin-top:15px;padding-top:15px;border-top:1px solid #edf1f6;color:var(--muted);font-size:13px}
        .status-dot{width:8px;height:8px;background:#43b883;border-radius:50%;box-shadow:0 0 0 4px #e5f7ef}
        .tag-row{display:flex;flex-wrap:wrap;gap:8px}
        .tag{display:inline-flex;padding:5px 10px;background:#f1f6fc;border:1px solid #dce8f5;color:#53708f;border-radius:7px;font-size:12px}
        .tag.selected{background:var(--blue-soft);border-color:#bdd8f8;color:var(--blue);font-weight:700}
        .content-area{padding:58px 0 var(--space)}
        .featured-wide{display:grid;grid-template-columns:1.35fr .65fr;gap:0;overflow:hidden;margin-bottom:34px;background:#eaf3ff;border:1px solid #d6e6f8;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .cover-placeholder{min-height:275px;position:relative;display:flex;align-items:flex-end;padding:28px;background:linear-gradient(135deg,#dbeeff,#eef6ff 55%,#d6e9ff)}
        .cover-placeholder:after{content:"合规封面预览";position:absolute;inset:22px;border:1px dashed #9fc3eb;border-radius:14px;display:grid;place-items:center;color:#6c94bd;font-size:14px;background:rgba(255,255,255,.28)}
        .play-icon{position:relative;z-index:1;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:#fff;color:var(--blue);box-shadow:0 8px 18px rgba(33,88,148,.16)}
        .featured-info{padding:32px}
        .featured-info h2{margin:12px 0 10px;font-size:28px;line-height:1.3}
        .featured-info p{margin:0;color:var(--muted);font-size:14px}
        .meta-line{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 22px;color:#667992;font-size:12px}
        .main-columns{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);gap:28px;align-items:start}
        .section-label{display:flex;justify-content:space-between;align-items:end;margin-bottom:16px}
        .section-label h2{margin:0;font-size:24px;letter-spacing:-.03em}
        .section-label span{color:var(--muted);font-size:13px}
        .directory-list{display:grid;gap:12px}
        .directory-item{display:grid;grid-template-columns:160px minmax(0,1fr) auto;gap:20px;align-items:center;padding:15px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 5px 16px rgba(28,69,116,.04)}
        .directory-item:hover{border-color:#aacbef;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
        .thumb{height:94px;position:relative;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,#e3f0ff,#f3f8ff);border:1px solid #d6e7f8;color:#6b93be;font-size:12px;overflow:hidden}
        .thumb:before{content:"18+";position:absolute;top:8px;left:8px;padding:2px 6px;border-radius:5px;background:#fff;color:var(--orange);font-size:11px;font-weight:700}
        .directory-copy h3{margin:0 0 5px;font-size:17px;line-height:1.35}
        .directory-copy p{margin:0;color:var(--muted);font-size:13px}
        .item-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
        .item-tags span{padding:3px 7px;background:#f4f7fb;color:#718198;border-radius:5px;font-size:11px}
        .side-stack{display:grid;gap:16px}
        .side-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
        .side-card.warm{background:var(--warm);border-color:#f4dfcc}
        .side-card h3{margin:0 0 13px;font-size:17px}
        .side-card p{margin:0;color:var(--muted);font-size:13px}
        .index-list{display:flex;flex-wrap:wrap;gap:8px}
        .index-list a{padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:#f8fbff;color:#56708e;font-size:12px}
        .index-list a:hover{color:var(--blue);border-color:#a9c9ed;background:var(--blue-soft)}
        .mini-list{margin:0;padding:0;list-style:none}
        .mini-list li{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid #edf1f6;font-size:13px}
        .mini-list li:last-child{border-bottom:0;padding-bottom:0}
        .mini-list time{color:#8a98a9;font-size:11px;white-space:nowrap}
        .timeline{margin-top:58px;padding:28px;background:#f5f9ff;border:1px solid #e1ebf6;border-radius:var(--radius)}
        .timeline h2{margin:0 0 20px;font-size:23px}
        .timeline-row{display:grid;grid-template-columns:110px 1fr 80px;gap:18px;padding:15px 0;border-bottom:1px solid #dfeaf6;align-items:center}
        .timeline-row:last-child{border-bottom:0}
        .timeline-row time{color:var(--blue);font-size:13px;font-weight:700}
        .timeline-row b{font-size:14px}
        .timeline-row span{color:var(--muted);font-size:12px;text-align:right}
        .faq-section{padding:var(--space) 0;background:#fff}
        .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px}
        .faq-grid h2{margin:12px 0;font-size:35px;line-height:1.25}
        .faq-grid > div > p{color:var(--muted)}
        .faq-list{display:grid;gap:10px}
        .faq-item{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
        .faq-question{display:flex;justify-content:space-between;gap:15px;width:100%;padding:18px 20px;border:0;background:#fff;color:var(--ink);text-align:left;font-weight:700}
        .faq-question:hover{background:var(--blue-pale);color:var(--blue)}
        .faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question{color:var(--blue);background:var(--blue-pale)}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .faq-question span:last-child{font-size:22px;color:var(--blue);transition:transform .2s}
        .cta{padding:54px 0}
        .cta-panel{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:38px 42px;background:var(--blue-soft);border:1px solid #cfe2f8;border-radius:var(--radius)}
        .cta-panel h2{margin:0 0 8px;font-size:30px;line-height:1.3}
        .cta-panel p{margin:0;color:#5d7390}
        .cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
        .site-footer{padding:52px 0 22px;background:#f3f7fb;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:58px}
        .footer-brand .brand{margin-bottom:16px}
        .footer-brand p{max-width:430px;margin:0;color:var(--muted);font-size:13px}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h3{margin:0 0 8px;font-size:14px}
        .footer-col a{color:var(--muted);font-size:13px}
        .footer-col a:hover{color:var(--blue)}
        .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;border-top:1px solid var(--line);color:#8491a1;font-size:12px}
        .age-modal{display:none;position:fixed;inset:0;z-index:50;align-items:center;justify-content:center;padding:20px;background:rgba(23,34,53,.32)}
        .age-modal.show{display:flex}
        .age-box{width:min(480px,100%);padding:32px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 70px rgba(28,69,116,.22)}
        .age-mark{display:grid;place-items:center;width:54px;height:54px;margin-bottom:18px;border-radius:15px;background:var(--warm);color:var(--orange);font-weight:800;font-size:20px}
        .age-box h2{margin:0 0 10px;font-size:25px}
        .age-box p{margin:0;color:var(--muted);font-size:14px}
        .age-actions{display:flex;gap:10px;margin-top:24px}
        .age-actions .btn{flex:1}
        @media(max-width:1024px){
            .brand{min-width:220px}.nav-wrap{gap:14px}.main-nav a{padding:8px 9px}
            .command-search{width:175px}.featured-wide{grid-template-columns:1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(var(--max),calc(100% - 32px))}
            .nav-wrap{min-height:68px}.brand{min-width:0;flex:1;font-size:15px}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
            .main-nav.open{display:flex;flex-direction:column;align-items:stretch}
            .main-nav a{padding:12px 14px}.nav-actions .command-search,.nav-actions .btn{display:none}.menu-toggle{display:block}
            .page-intro{padding:44px 0 28px}.content-area,.faq-section{padding:58px 0}
            .featured-wide,.main-columns,.faq-grid{grid-template-columns:1fr}
            .featured-info{padding:26px}.cover-placeholder{min-height:220px}
            .directory-item{grid-template-columns:112px minmax(0,1fr);gap:14px}.directory-item .btn{grid-column:2;justify-self:start}
            .thumb{height:78px}.cta-panel{align-items:flex-start;flex-direction:column;padding:30px 25px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
            .copyright{flex-direction:column;gap:5px;margin-top:30px}
        }
        @media(max-width:520px){
            .page-intro h1{font-size:35px}.command-panel{padding:13px}.filter-search{min-width:100%}
            .directory-item{grid-template-columns:1fr}.directory-item .btn{grid-column:auto}
            .thumb{height:150px}.timeline{padding:20px 16px}.timeline-row{grid-template-columns:78px 1fr;gap:10px}
            .timeline-row span{grid-column:2;text-align:left}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}
            .age-actions{flex-direction:column}
        }