/* roulang page: index */
:root{
            --berry:#a64272;
            --berry-dark:#7f2d59;
            --berry-soft:#f2dce8;
            --rose:#d995ad;
            --apricot:#f7dfd0;
            --cream:#fcf8f4;
            --paper:#fffdfb;
            --ink:#30252f;
            --muted:#766b75;
            --line:#e9dfe4;
            --wine:#302331;
            --teal:#b8d7d0;
            --orange:#e99a63;
            --danger:#b84f58;
            --container:1200px;
            --radius-lg:24px;
            --radius-md:16px;
            --radius-sm:12px;
            --shadow:0 18px 45px rgba(67,35,53,.09);
            --shadow-hover:0 24px 55px rgba(67,35,53,.15);
            --ease:240ms ease;
            --header-h:78px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--cream);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.8;
            -webkit-font-smoothing:antialiased;
        }
        ::selection{background:var(--berry);color:#fff}
        img{display:block;max-width:100%}
        a{color:inherit;text-decoration:none}
        button,input,textarea,select{font:inherit}
        button{border:0;cursor:pointer}
        .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
        .skip-link{position:absolute;left:-999px;top:8px;background:var(--berry);color:#fff;padding:8px 16px;border-radius:8px;z-index:99}
        .skip-link:focus{left:12px}
        :focus-visible{outline:3px solid rgba(166,66,114,.38);outline-offset:4px}
        .site-header{
            height:var(--header-h);
            background:rgba(255,253,251,.97);
            border-bottom:1px solid var(--line);
            position:sticky;
            top:0;
            z-index:20;
        }
        .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:32px;height:32px;border-radius:10px;background:var(--berry);position:relative;overflow:hidden}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.82}
        .brand-mark:before{width:20px;height:8px;left:5px;top:8px}
        .brand-mark:after{width:13px;height:5px;left:9px;top:18px}
        .brand-name{font-size:16px}
        .main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
        .main-nav a{padding:8px 13px;border-radius:10px;font-size:14px;color:var(--muted);transition:var(--ease)}
        .main-nav a:hover,.main-nav a.active{color:var(--berry);background:var(--berry-soft)}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:0 12px;height:42px;width:190px;color:var(--muted)}
        .search-box svg{width:17px;flex:none}
        .search-box input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:var(--ink)}
        .search-box input::placeholder{color:#a49aa2}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 19px;border-radius:13px;font-weight:700;font-size:14px;transition:var(--ease)}
        .btn-primary{background:var(--berry);color:#fff;box-shadow:0 8px 18px rgba(166,66,114,.2)}
        .btn-primary:hover{background:var(--berry-dark);transform:translateY(-2px);box-shadow:0 12px 23px rgba(166,66,114,.28)}
        .btn-secondary{background:#fff;color:var(--berry);border:1px solid #d8b9c8}
        .btn-secondary:hover{border-color:var(--berry);background:var(--berry-soft);transform:translateY(-2px)}
        .btn:active{transform:translateY(1px)}
        .menu-btn{display:none;background:var(--berry-soft);color:var(--berry);width:44px;height:44px;border-radius:12px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-weight:800;font-size:13px;letter-spacing:.08em}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--berry)}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{line-height:1.28;letter-spacing:-.04em}
        h1{font-size:clamp(36px,5vw,58px);margin-bottom:20px}
        h2{font-size:clamp(29px,3.3vw,40px);margin-bottom:15px}
        h3{font-size:20px;margin-bottom:8px}
        .section{padding:104px 0}
        .section-head{max-width:680px;margin-bottom:42px}
        .section-head p{color:var(--muted);max-width:620px;margin-bottom:0}
        .hero{background:var(--wine);color:#fff;padding:78px 0 84px;overflow:hidden;position:relative}
        .hero:before{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(217,149,173,.2);border-radius:50%;right:-180px;top:-240px}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;position:relative}
        .hero h1{max-width:650px}
        .hero-copy{color:#d8cbd3;max-width:590px;font-size:17px;line-height:1.9;margin-bottom:27px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
        .hero .btn-secondary{background:transparent;border-color:#886579;color:#fff}
        .hero .btn-secondary:hover{background:#4b3546;border-color:#d995ad}
        .hero-tags{display:flex;gap:9px;flex-wrap:wrap}
        .tag{display:inline-flex;padding:5px 11px;border-radius:99px;font-size:12px;line-height:1.4;background:rgba(255,255,255,.09);color:#dfcbd6;border:1px solid rgba(255,255,255,.12)}
        .dashboard{background:#fff;color:var(--ink);border-radius:var(--radius-lg);padding:22px;box-shadow:0 25px 70px rgba(0,0,0,.22);position:relative}
        .dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
        .dash-label{font-size:13px;font-weight:800}
        .live-dot{font-size:12px;color:var(--berry);display:flex;align-items:center;gap:6px}
        .live-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
        .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
        .metric{background:var(--cream);border:1px solid #f0e4e8;padding:15px;border-radius:15px}
        .metric small{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}
        .metric strong{font:700 27px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--berry)}
        .metric em{font-style:normal;color:#598f82;font-size:12px;margin-left:5px}
        .wave-panel{margin-top:13px;padding:16px;border-radius:15px;background:var(--berry-soft);position:relative;overflow:hidden}
        .wave-panel svg{width:100%;height:65px}
        .scale{display:flex;justify-content:space-between;color:#9c7688;font-size:10px;margin-top:2px}
        .hero-note{font-size:12px;color:#846574;margin-top:11px}
        .matrix{background:var(--paper)}
        .matrix-layout{display:grid;grid-template-columns:205px 1fr;gap:45px}
        .index-list{border-left:2px solid var(--berry-soft);padding-left:18px}
        .index-list span{display:block;color:var(--muted);font-size:13px;margin:0 0 15px}
        .index-list strong{font-size:28px;color:var(--berry);display:block;line-height:1.1;margin-bottom:28px}
        .matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
        .matrix-card{border:1px solid var(--line);border-radius:20px;padding:25px;background:var(--paper);transition:var(--ease);position:relative;overflow:hidden}
        .matrix-card:nth-child(2){background:var(--apricot)}
        .matrix-card:nth-child(3){background:#f0ebf3}
        .matrix-card:nth-child(4){background:#eef5f3}
        .matrix-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#d29ab2}
        .card-number{color:var(--berry);font:700 13px ui-monospace,monospace}
        .matrix-card p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:17px}
        .progress{height:5px;background:rgba(127,45,89,.12);border-radius:5px;overflow:hidden}
        .progress i{height:100%;display:block;background:var(--berry);border-radius:5px}
        .card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:6px}
        .comparison{background:#f4edf1}
        .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .compare-card{background:#fff;border-radius:22px;padding:28px;border:1px solid var(--line)}
        .compare-card.emphasis{background:var(--wine);color:#fff;border-color:var(--wine)}
        .compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
        .compare-title span{font-size:12px;padding:5px 9px;border-radius:7px;background:var(--berry-soft);color:var(--berry)}
        .emphasis .compare-title span{background:#694259;color:#f7dfe9}
        .compare-row{margin:19px 0}
        .compare-row header{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}
        .compare-row header span{color:var(--muted)}
        .emphasis .compare-row header span{color:#dac7d2}
        .bar{height:8px;border-radius:8px;background:#eee5e9;overflow:hidden}
        .bar i{display:block;height:100%;background:#c8a6b7;border-radius:8px}
        .emphasis .bar{background:#594052}
        .emphasis .bar i{background:var(--rose)}
        .compare-foot{margin-top:23px;padding-top:15px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
        .emphasis .compare-foot{border-color:#594052;color:#dac7d2}
        .insight{background:var(--cream)}
        .insight-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
        .insight-feature{background:var(--berry);color:#fff;border-radius:24px;padding:33px;display:flex;flex-direction:column;justify-content:space-between;min-height:290px}
        .insight-feature p{color:#f4dfe8;max-width:540px}
        .quote-mark{font-size:62px;line-height:.8;color:#df9db8}
        .info-stack{display:grid;gap:14px}
        .info-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;display:flex;gap:16px;align-items:flex-start;transition:var(--ease)}
        .info-item:hover{transform:translateX(4px);box-shadow:var(--shadow)}
        .info-icon{width:34px;height:34px;border-radius:10px;background:var(--apricot);color:var(--berry);display:grid;place-items:center;font-weight:800;flex:none}
        .info-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
        .faq{background:#f2eaf0}
        .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:65px}
        .faq-side p{color:var(--muted);font-size:15px}
        .faq-list{display:grid;gap:10px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
        .faq-question{width:100%;background:#fff;color:var(--ink);display:flex;justify-content:space-between;align-items:center;text-align:left;padding:18px 20px;font-weight:700;min-height:58px}
        .faq-question:hover{color:var(--berry)}
        .faq-plus{font-size:22px;color:var(--berry);transition:var(--ease);font-weight:400}
        .faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px;line-height:1.8}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-plus{transform:rotate(45deg)}
        .form-section{padding-top:94px;padding-bottom:110px;background:var(--wine)}
        .form-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start;color:#fff}
        .form-panel .section-head{margin-bottom:0}
        .form-panel .section-head p{color:#d9cbd4}
        .privacy{font-size:12px;color:#aa91a2;margin-top:19px}
        .contact-line{display:flex;gap:8px;align-items:center;color:#f1dce6;font-size:13px;margin-top:25px}
        .contact-line i{width:8px;height:8px;background:var(--teal);border-radius:50%}
        .contact-form{background:#fff;border-radius:22px;padding:27px;color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:17px}
        .field{display:flex;flex-direction:column;gap:6px}
        .field.full{grid-column:1/-1}
        .field label{font-size:13px;font-weight:700}
        .field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fff;color:var(--ink);min-height:45px;outline:0;transition:var(--ease)}
        .field textarea{resize:vertical;min-height:105px}
        .field input:focus,.field textarea:focus,.field select:focus{border-color:var(--berry);box-shadow:0 0 0 4px rgba(166,66,114,.12)}
        .field .error{border-color:var(--danger)}
        .form-status{grid-column:1/-1;font-size:13px;min-height:22px;color:var(--danger)}
        .form-submit{grid-column:1/-1;justify-self:start}
        .site-footer{background:var(--wine);border-top:1px solid #51404d;color:#fff;padding:35px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr;gap:35px;padding-bottom:30px}
        .footer-brand p{color:#bcaab6;font-size:13px;max-width:330px;margin:14px 0 0}
        .footer-title{font-size:13px;color:#dfbdcb;font-weight:700;margin-bottom:12px}
        .footer-links{display:grid;gap:6px}
        .footer-links a{color:#cdbbc5;font-size:13px;transition:var(--ease)}
        .footer-links a:hover{color:#fff;transform:translateX(3px)}
        .copyright{border-top:1px solid #51404d;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#9e8b99;font-size:12px}
        .mobile-nav{display:none}
        @media (min-width:1200px){.hero{padding-top:82px}}
        @media (max-width:1000px){
            .main-nav{gap:0}.search-box{width:145px}.nav-wrap{gap:14px}
            .hero-grid,.form-panel{grid-template-columns:1fr}
            .hero-grid{gap:35px}.dashboard{max-width:650px}
            .faq-grid{gap:35px}
        }
        @media (max-width:767px){
            :root{--header-h:68px}
            .container{width:min(100% - 36px,var(--container))}
            .site-header{height:var(--header-h)}
            .main-nav,.nav-actions .search-box,.nav-actions .btn{display:none}
            .nav-wrap{justify-content:space-between}
            .menu-btn{display:grid;place-items:center}
            .mobile-nav{position:absolute;display:none;top:var(--header-h);left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 18px;box-shadow:0 18px 28px rgba(46,27,40,.1)}
            .mobile-nav.open{display:block}
            .mobile-nav a{display:block;padding:12px 10px;border-radius:10px;font-weight:700}
            .mobile-nav a:hover{background:var(--berry-soft);color:var(--berry)}
            .mobile-search{width:100%;margin-bottom:8px}
            .mobile-nav .btn{width:100%;margin-top:8px}
            .section{padding:70px 0}
            .hero{padding:55px 0 62px}.hero h1{font-size:37px}
            .hero-copy{font-size:15px}.metric strong{font-size:23px}
            .matrix-layout,.faq-grid,.insight-grid{grid-template-columns:1fr}
            .index-list{display:flex;gap:16px;align-items:center;border-left:0;border-bottom:2px solid var(--berry-soft);padding:0 0 15px}
            .index-list strong{margin:0 12px 0 0}.index-list span{margin:0}
            .matrix-grid,.compare-grid{grid-template-columns:1fr}
            .section-head{margin-bottom:30px}
            .footer-grid{grid-template-columns:1fr;gap:25px}
            .copyright{display:block}.copyright span{display:block;margin-top:7px}
            .contact-form{grid-template-columns:1fr;padding:21px}
            .field.full,.form-submit,.form-status{grid-column:auto}
            .form-submit{width:100%}
        }
        @media (max-width:480px){
            .container{width:calc(100% - 32px)}
            h2{font-size:29px}.hero h1{font-size:33px}
            .hero-actions .btn{width:100%}.metric-grid{gap:8px}.metric{padding:12px}
            .dashboard{padding:15px}.wave-panel{padding:12px}
            .matrix-card,.compare-card{padding:21px}
        }
        @media (prefers-reduced-motion:reduce){
            *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
        }

/* roulang page: category1 */
:root{
 --berry:#a64272;--berry-dark:#7f2d59;--berry-soft:#f2dce8;--rose:#d995ad;--apricot:#f7dfd0;
 --cream:#fcf8f4;--paper:#fffdfb;--ink:#30252f;--muted:#766b75;--line:#e9dfe4;
 --wine:#302331;--teal:#b8d7d0;--orange:#e99a63;--danger:#b84f58;--container:1200px;
 --radius-lg:24px;--radius-md:16px;--radius-sm:12px;--shadow:0 18px 45px rgba(67,35,53,.09);
 --shadow-hover:0 24px 55px rgba(67,35,53,.15);--ease:240ms ease;--header-h:78px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",Arial,sans-serif;font-size:16px;line-height:1.82;-webkit-font-smoothing:antialiased}
::selection{background:var(--berry-soft);color:var(--berry-dark)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}button{border:0;cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(166,66,114,.32);outline-offset:3px}
h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.25}h1{font-size:clamp(38px,5vw,58px);margin-bottom:22px}h2{font-size:clamp(28px,3.2vw,40px);margin-bottom:17px}h3{font-size:21px;margin-bottom:9px}.container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
.site-header{height:var(--header-h);background:rgba(255,253,251,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.nav-wrap{height:100%;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.03em}.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--berry);position:relative;overflow:hidden;flex:none}.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.82}.brand-mark:before{width:20px;height:8px;left:5px;top:8px}.brand-mark:after{width:13px;height:5px;left:9px;top:18px}.brand-name{font-size:16px}.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}.main-nav a{padding:8px 13px;border-radius:10px;font-size:14px;color:var(--muted);transition:var(--ease)}.main-nav a:hover,.main-nav a.active{color:var(--berry);background:var(--berry-soft)}.nav-actions{display:flex;align-items:center;gap:10px}.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:0 12px;height:42px;width:190px;color:var(--muted)}.search-box svg{width:17px;flex:none}.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:var(--ink)}.search-box input::placeholder{color:#a49aa2}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 19px;border-radius:13px;font-weight:700;font-size:14px;transition:var(--ease)}.btn-primary{background:var(--berry);color:#fff;box-shadow:0 8px 18px rgba(166,66,114,.2)}.btn-primary:hover{background:var(--berry-dark);transform:translateY(-2px);box-shadow:0 12px 23px rgba(166,66,114,.28)}.btn-secondary{background:#fff;color:var(--berry);border:1px solid #d8b9c8}.btn-secondary:hover{border-color:var(--berry);background:var(--berry-soft);transform:translateY(-2px)}.btn:active{transform:translateY(1px)}.menu-btn{display:none;background:var(--berry-soft);color:var(--berry);width:44px;height:44px;border-radius:12px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-weight:800;font-size:13px;letter-spacing:.08em}.eyebrow:before{content:"";width:24px;height:2px;background:var(--berry)}.section{padding:96px 0}.section-head{max-width:660px;margin-bottom:38px}.section-head p{color:var(--muted);margin-bottom:0}
.page-hero{padding:72px 0 0;background:linear-gradient(135deg,#fffdfb 0%,#f8e9ef 54%,#f7dfd0 100%);border-bottom:1px solid var(--line);overflow:hidden}.breadcrumb{display:flex;gap:9px;color:var(--muted);font-size:13px;margin-bottom:30px}.breadcrumb span{color:var(--rose)}.hero-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}.hero-copy{font-size:17px;color:var(--muted);max-width:600px;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.cover-art{height:320px;border-radius:50% 50% 26% 26%;background:var(--wine);position:relative;overflow:hidden;box-shadow:var(--shadow);isolation:isolate}.cover-art:before{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(217,149,173,.45);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.cover-art:after{content:"";position:absolute;width:220px;height:220px;background:var(--berry);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 28px rgba(217,149,173,.15),0 0 0 57px rgba(247,223,208,.12)}.wave{position:absolute;left:8%;right:8%;top:51%;height:55px;z-index:2;background:repeating-radial-gradient(ellipse at center,transparent 0 10px,#f7dfd0 11px 13px,transparent 14px 24px);opacity:.86;transform:rotate(-7deg)}.cover-label{position:absolute;z-index:3;bottom:28px;left:30px;color:#fff;font-size:13px;letter-spacing:.12em;font-weight:800}.meta-bar{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:55px;background:var(--paper);border:1px solid var(--line);border-bottom:0;border-radius:20px 20px 0 0;overflow:hidden}.meta-item{padding:19px 22px;border-right:1px solid var(--line)}.meta-item:last-child{border:0}.meta-item b{display:block;font-size:14px}.meta-item span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.content-zone{display:grid;grid-template-columns:235px minmax(0,1fr);gap:56px}.chapter-nav{align-self:start;position:sticky;top:102px;padding:20px 0;border-left:1px solid var(--line)}.chapter-nav strong{display:block;padding-left:18px;margin-bottom:10px;font-size:13px}.chapter-nav a{display:block;padding:9px 18px;color:var(--muted);font-size:14px;border-left:2px solid transparent;transition:var(--ease)}.chapter-nav a:hover{color:var(--berry);border-left-color:var(--berry);background:rgba(242,220,232,.45)}.track{display:grid;gap:26px}.content-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:33px;box-shadow:0 10px 28px rgba(67,35,53,.035)}.content-card p{color:var(--muted);margin-bottom:0}.signal-line{display:flex;align-items:center;gap:6px;margin:20px 0 0;height:34px}.signal-line i{display:block;width:8px;border-radius:99px;background:var(--berry);opacity:.8}.signal-line i:nth-child(1){height:10px}.signal-line i:nth-child(2){height:23px}.signal-line i:nth-child(3){height:15px}.signal-line i:nth-child(4){height:32px;background:var(--orange)}.signal-line i:nth-child(5){height:19px}.signal-line i:nth-child(6){height:27px}.signal-line i:nth-child(7){height:11px}
.use-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:23px 0 0;padding:0;list-style:none}.use-list li{padding:17px;border:1px solid var(--line);border-radius:15px;background:#fff}.use-list b{display:block;font-size:15px;margin-bottom:5px}.use-list span{font-size:13px;color:var(--muted);line-height:1.65}.quote-box{background:var(--apricot);border-radius:18px;padding:22px 24px;margin-top:22px;color:#654b54}.quote-box strong{display:block;color:var(--berry-dark);margin-bottom:5px}.steps{display:grid;gap:12px;margin-top:23px}.step{display:grid;grid-template-columns:45px 1fr;gap:16px;align-items:start;padding:16px 0;border-top:1px solid var(--line)}.step:first-child{border-top:0}.step-no{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--berry-soft);color:var(--berry);font:800 13px ui-monospace,monospace}.step p{font-size:14px;margin:4px 0 0}
.stage{background:var(--wine);color:#fff;border-radius:var(--radius-lg);padding:38px;overflow:hidden;position:relative}.stage:after{content:"";width:400px;height:400px;border:1px solid rgba(217,149,173,.2);border-radius:50%;position:absolute;right:-210px;top:-200px}.stage p{color:#dacbd4;max-width:650px}.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative;z-index:1;margin-top:27px}.stage-item{padding:18px 15px;border-top:2px solid #98647c;background:rgba(255,255,255,.06)}.stage-item:nth-child(2){border-color:var(--rose)}.stage-item:nth-child(3){border-color:var(--orange)}.stage-item:nth-child(4){border-color:var(--teal)}.stage-item em{font-style:normal;color:#edc8d8;font:700 12px ui-monospace,monospace}.stage-item b{display:block;margin:7px 0;font-size:16px}.stage-item span{font-size:13px;color:#d7c8d0;line-height:1.65}
.related{background:#f6eef2}.related-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.related-card{min-height:190px;border-radius:22px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;background:var(--wine);color:#fff;transition:var(--ease)}.related-card.light{background:var(--paper);color:var(--ink);border:1px solid var(--line)}.related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.related-card p{font-size:14px;color:#d8cbd3;margin:8px 0 0}.related-card.light p{color:var(--muted)}.arrow-link{color:#fff;font-weight:800;font-size:14px}.light .arrow-link{color:var(--berry)}
.mini-cta{padding:72px 0}.cta-panel{border:1px solid #d7b7c7;border-radius:var(--radius-lg);background:var(--paper);padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px;box-shadow:var(--shadow)}.cta-panel p{color:var(--muted);margin:8px 0 0;max-width:650px}
.site-footer{background:var(--wine);color:#fff;padding:63px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:52px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.13)}.site-footer .brand{color:#fff}.footer-brand p{color:#cfc0c8;max-width:330px;font-size:14px;margin:17px 0 0}.footer-title{font-size:13px;font-weight:800;letter-spacing:.08em;color:#f2dce8;margin-bottom:13px}.footer-links{display:grid;gap:9px}.footer-links a{font-size:14px;color:#d7c8d0;transition:var(--ease)}.footer-links a:hover{color:#fff;padding-left:3px}.copyright{display:flex;justify-content:space-between;gap:15px;padding-top:20px;color:#aa98a3;font-size:12px}
@media(max-width:1024px){.nav-wrap{gap:16px}.search-box{width:150px}.hero-layout{gap:30px}.content-zone{grid-template-columns:190px minmax(0,1fr);gap:32px}.stage-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){:root{--header-h:68px}.container{width:min(var(--container),calc(100% - 36px))}.site-header{position:sticky}.nav-wrap{justify-content:space-between}.main-nav,.nav-actions .search-box,.nav-actions .btn{display:none}.menu-btn{display:grid;place-items:center}.mobile-panel{display:none;position:absolute;top:calc(var(--header-h) - 1px);left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:15px 18px 20px;box-shadow:var(--shadow)}.mobile-panel.open{display:grid;gap:10px}.mobile-panel .search-box{display:flex;width:100%;height:44px}.mobile-panel .main-nav{display:grid;margin:0;gap:3px}.mobile-panel .main-nav a{padding:11px 12px}.mobile-panel .btn{display:flex;width:100%;margin-top:4px}.page-hero{padding-top:46px}.hero-layout{grid-template-columns:1fr;gap:30px}.cover-art{height:255px;border-radius:28px}.meta-bar{grid-template-columns:repeat(2,1fr);margin-top:35px}.meta-item:nth-child(2){border-right:0}.meta-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.section{padding:64px 0}.content-zone{grid-template-columns:1fr;gap:24px}.chapter-nav{position:static;display:flex;gap:7px;overflow:auto;padding:0;border:0}.chapter-nav strong{display:none}.chapter-nav a{border:1px solid var(--line);border-radius:99px;white-space:nowrap;padding:7px 12px;background:var(--paper)}.content-card{padding:25px}.use-list{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.cta-panel{padding:28px;align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:29px}.copyright{flex-direction:column}.stage{padding:28px}}
@media(max-width:480px){body{font-size:15px}h1{font-size:34px}.brand-name{font-size:14px}.meta-item{padding:14px}.hero-actions,.hero-actions .btn{width:100%}.hero-actions .btn{justify-content:center}.stage-grid{grid-template-columns:1fr}.content-card{padding:22px}.section-head{margin-bottom:27px}.cover-art{height:210px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
 --berry:#a64272;--berry-dark:#7f2d59;--berry-soft:#f2dce8;--rose:#d995ad;
 --apricot:#f7dfd0;--cream:#fcf8f4;--paper:#fffdfb;--ink:#30252f;
 --muted:#766b75;--line:#e9dfe4;--wine:#302331;--teal:#b8d7d0;
 --orange:#e99a63;--danger:#b84f58;--container:1200px;--radius-lg:24px;
 --radius-md:16px;--radius-sm:12px;--shadow:0 18px 45px rgba(67,35,53,.09);
 --shadow-hover:0 24px 55px rgba(67,35,53,.15);--ease:240ms ease;--header-h:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--cream);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
::selection{background:var(--berry-soft);color:var(--berry-dark)}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{border:0;cursor:pointer}
button,input,textarea{outline:none}
:focus-visible{outline:3px solid rgba(166,66,114,.38);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
.site-header{height:var(--header-h);background:rgba(255,253,251,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.03em}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--berry);position:relative;overflow:hidden;flex:none}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%;opacity:.82}
.brand-mark:before{width:20px;height:8px;left:5px;top:8px}
.brand-mark:after{width:13px;height:5px;left:9px;top:18px}
.brand-name{font-size:16px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{padding:8px 13px;border-radius:10px;font-size:14px;color:var(--muted);transition:var(--ease)}
.main-nav a:hover,.main-nav a.active{color:var(--berry);background:var(--berry-soft)}
.nav-actions{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:0 12px;height:42px;width:190px;color:var(--muted)}
.search-box svg{width:17px;flex:none}
.search-box input{border:0;background:transparent;width:100%;font-size:13px;color:var(--ink)}
.search-box input::placeholder{color:#a49aa2}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 19px;border-radius:13px;font-weight:700;font-size:14px;transition:var(--ease)}
.btn-primary{background:var(--berry);color:#fff;box-shadow:0 8px 18px rgba(166,66,114,.2)}
.btn-primary:hover{background:var(--berry-dark);transform:translateY(-2px);box-shadow:0 12px 23px rgba(166,66,114,.28)}
.btn-secondary{background:#fff;color:var(--berry);border:1px solid #d8b9c8}
.btn-secondary:hover{border-color:var(--berry);background:var(--berry-soft);transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.menu-btn{display:none;background:var(--berry-soft);color:var(--berry);width:44px;height:44px;border-radius:12px}
.section{padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-weight:800;font-size:13px;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--berry)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,4.2vw,56px);line-height:1.2;letter-spacing:-.055em}
h2{font-size:clamp(29px,3vw,40px);line-height:1.28;letter-spacing:-.045em;margin-bottom:16px}
h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.section-copy{color:var(--muted);max-width:660px;margin-bottom:0}
.top-band{background:var(--wine);color:#fff;padding:42px 0 48px;position:relative;overflow:hidden}
.top-band:after{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(217,149,173,.22);border-radius:50%;right:-120px;top:-255px}
.breadcrumb{font-size:13px;color:#cdbbc6;margin-bottom:18px;position:relative;z-index:1}
.breadcrumb span{margin:0 8px;color:#936f82}
.band-grid{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:30px;align-items:end;position:relative;z-index:1}
.top-band h1{margin-bottom:14px}
.band-copy{color:#dccdd5;max-width:700px;font-size:16px;margin-bottom:0}
.band-tags{display:flex;justify-content:flex-end;align-items:flex-end;gap:8px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#f4e7ed;border-radius:99px;padding:5px 11px;font-size:12px;line-height:1.45}
.overview-strip{margin-top:-1px;background:var(--paper);border-bottom:1px solid var(--line)}
.overview-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr)}
.overview-item{padding:20px 24px;border-right:1px solid var(--line);min-height:90px}
.overview-item:first-child{background:var(--berry-soft)}
.overview-item:last-child{border-right:0}
.overview-item b{display:block;color:var(--berry);font-size:13px;margin-bottom:2px}
.overview-item span{display:block;font-size:13px;color:var(--muted);line-height:1.55}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:30px;align-items:start}
.waterfall{columns:2;column-gap:22px}
.fragment{break-inside:avoid;display:inline-block;width:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:27px;margin:0 0 22px;box-shadow:0 10px 30px rgba(67,35,53,.045);transition:var(--ease)}
.fragment:hover{transform:translateY(-5px);border-color:#d9a5bc;box-shadow:var(--shadow)}
.fragment.tint{background:var(--apricot)}
.fragment.lilac{background:#f0ebf3}
.fragment h3{letter-spacing:-.03em}
.fragment p{font-size:14px;color:var(--muted);margin-bottom:16px}
.fragment p:last-child{margin-bottom:0}
.fragment-index{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px;color:var(--berry);font:700 12px ui-monospace,SFMono-Regular,monospace;letter-spacing:.07em}
.wave-bars{height:68px;display:flex;align-items:center;gap:5px;margin:20px 0 16px}
.wave-bars i{display:block;width:7px;border-radius:9px;background:var(--berry);opacity:.88}
.wave-bars i:nth-child(1){height:23%}.wave-bars i:nth-child(2){height:67%}.wave-bars i:nth-child(3){height:40%}.wave-bars i:nth-child(4){height:88%}.wave-bars i:nth-child(5){height:52%}.wave-bars i:nth-child(6){height:100%}.wave-bars i:nth-child(7){height:64%}.wave-bars i:nth-child(8){height:34%}.wave-bars i:nth-child(9){height:76%}.wave-bars i:nth-child(10){height:45%}.wave-bars i:nth-child(11){height:22%}
.point-list{list-style:none;padding:0;margin:0}
.point-list li{padding:11px 0;border-top:1px solid rgba(118,107,117,.17);font-size:14px;color:#594c55;display:flex;gap:11px;align-items:flex-start}
.point-list li:before{content:"";width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--berry);flex:none}
.quote-note{border-left:3px solid var(--berry);padding:4px 0 4px 16px;color:#594c55;font-size:15px;line-height:1.85}
.side-panel{position:sticky;top:100px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:23px;box-shadow:0 10px 30px rgba(67,35,53,.045)}
.side-panel+.side-panel{margin-top:16px}
.side-title{font-size:16px;font-weight:800;margin-bottom:15px}
.side-nav a{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted);transition:var(--ease)}
.side-nav a:hover{color:var(--berry);padding-left:4px}
.side-nav em{font-style:normal;color:var(--berry);font-size:12px}
.ratio-row{margin:14px 0}
.ratio-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:7px}
.ratio-track{height:8px;border-radius:99px;background:#eee6ea;overflow:hidden}
.ratio-track i{display:block;height:100%;border-radius:inherit;background:var(--berry)}
.ratio-row:nth-child(3) i{background:var(--rose)}
.ratio-row:nth-child(4) i{background:var(--orange)}
.compare-section{background:#f4edf1}
.compare-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:36px}
.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.choice-card{border:1px solid var(--line);background:var(--paper);border-radius:22px;padding:25px;position:relative;overflow:hidden;transition:var(--ease)}
.choice-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.choice-card.recommended{background:var(--wine);border-color:var(--wine);color:#fff}
.choice-card.recommended:after{content:"推荐用于重点信息";position:absolute;right:-25px;top:18px;background:var(--berry);color:#fff;font-size:11px;padding:5px 28px;transform:rotate(38deg)}
.choice-kicker{font:700 12px ui-monospace,monospace;color:var(--berry);letter-spacing:.08em}
.recommended .choice-kicker{color:#e9a8c5}
.choice-card h3{margin:15px 0 10px}
.choice-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
.recommended p{color:#ddcbd5}
.choice-list{padding:0;margin:0;list-style:none}
.choice-list li{border-top:1px solid rgba(118,107,117,.17);padding:10px 0;font-size:13px}
.recommended .choice-list li{border-color:rgba(255,255,255,.13)}
.choice-meter{display:flex;gap:4px;margin:16px 0}
.choice-meter i{height:6px;flex:1;border-radius:99px;background:#e7dce1}
.choice-meter i.on{background:var(--berry)}
.recommended .choice-meter i{background:#6e5062}.recommended .choice-meter i.on{background:#e39bbb}
.attention-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.attention-copy{position:sticky;top:110px}
.attention-list{border-top:1px solid var(--line)}
.attention-item{border-bottom:1px solid var(--line);padding:19px 0}
.attention-item b{display:block;font-size:17px;margin-bottom:6px}
.attention-item p{margin:0;color:var(--muted);font-size:14px}
.cta-panel{padding:34px 40px;border:1px solid #e4cbd7;background:var(--paper);border-radius:var(--radius-lg);display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta-panel:before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:var(--berry-soft);right:-50px;bottom:-100px}
.cta-panel>div{position:relative;z-index:1}
.cta-panel h2{font-size:29px;margin:0 0 7px}
.cta-panel p{margin:0;color:var(--muted);font-size:14px}
.cta-actions{display:flex;align-items:center;gap:15px;white-space:nowrap}
.text-link{font-size:14px;font-weight:700;color:var(--berry);border-bottom:1px solid currentColor}
.text-link:hover{color:var(--berry-dark)}
.site-footer{background:var(--wine);color:#fff;padding:58px 0 20px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr .75fr .75fr;gap:58px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-brand p{max-width:350px;color:#cdbfc7;font-size:14px;margin:18px 0 0}
.site-footer .brand-mark{background:var(--rose)}
.footer-title{font-size:14px;font-weight:800;margin-bottom:15px;color:#f8edf2}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.footer-links a{color:#cdbfc7;font-size:14px;transition:var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.copyright{padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#ae9da8;font-size:12px}
.mobile-drawer{display:none}
@media (max-width:1199px){
 .container{width:min(var(--container),calc(100% - 48px))}
 .search-box{width:150px}.content-layout{grid-template-columns:minmax(0,1fr) 250px}
}
@media (max-width:900px){
 :root{--header-h:70px}.nav-wrap{gap:15px}.main-nav a{padding:8px 8px}.search-box{display:none}
 .band-grid{grid-template-columns:1fr}.band-tags{justify-content:flex-start}
 .content-layout{grid-template-columns:1fr}.side-panel{position:relative;top:auto;display:grid;grid-template-columns:1fr 1fr;gap:22px}.side-panel+.side-panel{margin-top:16px}
 .choice-grid{grid-template-columns:1fr}.choice-card{padding:23px}.attention-grid{grid-template-columns:1fr;gap:30px}.attention-copy{position:relative;top:auto}
}
@media (max-width:767px){
 .container{width:calc(100% - 36px)}.site-header{height:68px}.brand-name{font-size:14px}.main-nav,.nav-actions .btn,.nav-actions .search-box{display:none}.nav-actions{margin-left:auto}.menu-btn{display:grid;place-items:center}
 .mobile-drawer{display:none;position:fixed;inset:68px 0 0;background:var(--paper);z-index:25;padding:24px 18px;border-top:1px solid var(--line)}
 .mobile-drawer.open{display:block}.mobile-drawer .search-box{display:flex;width:100%;margin-bottom:17px;height:46px}.mobile-drawer nav{display:flex;flex-direction:column;gap:7px}.mobile-drawer nav a{padding:13px 14px;border-radius:12px;color:var(--muted);font-weight:700}.mobile-drawer nav a.active{background:var(--berry-soft);color:var(--berry)}.mobile-drawer .btn{width:100%;margin-top:22px}
 .top-band{padding:31px 0 36px}.breadcrumb{margin-bottom:12px}.top-band h1{margin-bottom:13px}.band-copy{font-size:15px}.band-tags{margin-top:4px}
 .overview-grid{overflow:auto;display:flex}.overview-item{min-width:180px;padding:16px}.overview-item:first-child{min-width:210px}
 .section{padding:66px 0}.waterfall{columns:1}.fragment{margin-bottom:16px;padding:22px}.side-panel{grid-template-columns:1fr;padding:20px}.side-panel+.side-panel{margin-top:14px}
 .compare-head{display:block;margin-bottom:25px}.compare-head .section-copy{margin-top:10px}.attention-list{margin-top:0}
 .cta-panel{padding:27px 22px;display:block}.cta-panel h2{font-size:26px}.cta-actions{margin-top:21px;flex-wrap:wrap;white-space:normal}
 .site-footer{margin-top:66px;padding-top:45px}.footer-grid{grid-template-columns:1fr;gap:30px}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}
}
@media (max-width:480px){
 .container{width:calc(100% - 32px)}h1{font-size:32px}.top-band{padding-top:27px}.overview-item{min-width:165px}.btn{width:100%}.cta-actions{align-items:stretch}.text-link{text-align:center;padding:10px;border-bottom:0}.fragment{padding:20px}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}