/* roulang page: index */
:root {
            --ink: #1B1F24;
            --copper: #C18A3F;
            --copper-light: #D9B878;
            --copper-pale: #F3E8D6;
            --cream: #F5F1E8;
            --white: #FFFFFF;
            --red-up: #D94A3D;
            --green-down: #1F8A5C;
            --text-primary: #1A1C20;
            --text-secondary: #6B6F76;
            --text-weak: #9A9EA6;
            --border-light: #E5E0D6;
            --border-warm: #D8CFC0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 6px 24px rgba(27,31,36,0.06);
            --shadow-card-hover: 0 14px 40px rgba(27,31,36,0.12);
            --font-heading: 'Noto Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
            --font-body: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono',monospace;
            --container-max: 1200px;
            --header-height: 72px;
            --section-pad-desktop: 88px;
            --section-pad-mobile: 48px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
        body{
            font-family:var(--font-body);
            color:var(--text-primary);
            background:var(--cream);
            line-height:1.85;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
        }
        img{max-width:100%;height:auto;display:block;}
        a{color:inherit;text-decoration:none;transition:color .2s ease;}
        a:hover{color:var(--copper);}
        button{font-family:inherit;cursor:pointer;border:none;background:none;}
        input,textarea,select{font-family:inherit;font-size:1rem;}
        ul,ol{list-style:none;}
        table{border-collapse:collapse;width:100%;}
        h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.35;font-weight:700;color:var(--ink);}
        h1{font-size:clamp(28px,4vw,40px);letter-spacing:-0.01em;}
        h2{font-size:clamp(22px,2.8vw,28px);}
        h3{font-size:clamp(16px,1.8vw,20px);}
        p{max-width:35em;}

        .container{max-width:var(--container-max);margin:0 auto;padding-left:24px;padding-right:24px;}
        .section{padding:var(--section-pad-desktop) 0;}
        .section--cream{background:var(--cream);}
        .section--white{background:var(--white);}
        .section--dark{background:var(--ink);color:#E8E6E1;}
        .section--dark h2,.section--dark h3{color:#FFFFFF;}
        .section--dark p{color:#C9C7C2;}

        /* risk strip */
        .risk-strip{background:#1A1C20;color:#F0E8DC;text-align:center;padding:10px 16px;font-size:13px;line-height:1.6;letter-spacing:.3px;border-bottom:1px solid #33363C;}
        .risk-strip .dot{color:var(--copper-light);margin-right:6px;}

        /* header */
        .site-header{position:sticky;top:0;z-index:100;background:var(--ink);height:var(--header-height);display:flex;align-items:center;border-bottom:1px solid #2E3237;box-shadow:0 2px 16px rgba(0,0,0,0.14);}
        .site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;}
        .brand{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:19px;color:#FFFFFF;letter-spacing:.5px;white-space:nowrap;}
        .brand .brand-mark{width:34px;height:34px;border-radius:8px;background:var(--copper);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--ink);flex-shrink:0;}
        .brand:hover{color:#FFFFFF;opacity:.92;}
        .nav{display:flex;align-items:center;gap:8px;}
        .nav a{
            display:inline-block;padding:10px 16px;font-size:14.5px;font-weight:500;color:#C9C7C2;
            border-radius:var(--radius-btn);transition:background .2s,color .2s;position:relative;
        }
        .nav a:hover{background:rgba(255,255,255,0.06);color:#FFFFFF;}
        .nav a.active{color:#FFFFFF;background:rgba(193,138,63,0.18);}
        .nav a.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--copper);border-radius:2px;}
        .nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;z-index:110;}
        .nav-toggle span{display:block;width:24px;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease;}
        .nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
        .nav-toggle.is-active span:nth-child(2){opacity:0;}
        .nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

        /* hero */
        .hero{background:var(--cream);padding:64px 0 80px;position:relative;overflow:hidden;}
        .hero::before{content:'';position:absolute;top:-120px;right:-80px;width:420px;height:420px;background:radial-gradient(circle,rgba(193,138,63,0.07) 0%,transparent 70%);border-radius:50%;pointer-events:none;}
        .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1;}
        .hero-tag{display:inline-block;background:var(--copper-pale);color:#7A5B24;font-size:13px;font-weight:600;padding:6px 16px;border-radius:var(--radius-tag);margin-bottom:18px;letter-spacing:.4px;}
        .hero h1{margin-bottom:20px;}
        .hero-subtitle{font-size:17px;color:var(--text-secondary);line-height:1.9;margin-bottom:28px;max-width:540px;}
        .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;font-size:15px;font-weight:600;border-radius:var(--radius-btn);transition:all .25s ease;letter-spacing:.2px;line-height:1.4;text-align:center;}
        .btn--primary{background:var(--copper);color:#FFFFFF;box-shadow:0 4px 14px rgba(193,138,63,0.3);}
        .btn--primary:hover{background:#D19B4A;color:#FFFFFF;transform:translateY(-2px);box-shadow:0 8px 24px rgba(193,138,63,0.4);}
        .btn--outline{background:transparent;color:var(--ink);border:1px solid var(--border-warm);}
        .btn--outline:hover{background:var(--copper-pale);border-color:var(--copper);color:var(--ink);transform:translateY(-2px);}
        .btn--small{padding:9px 18px;font-size:13.5px;}
        .btn:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}
        .hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid var(--border-light);padding-top:26px;}
        .hero-stat .stat-num{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--ink);line-height:1.2;}
        .hero-stat .stat-label{font-size:12.5px;color:var(--text-weak);margin-top:4px;}
        .hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card-hover);aspect-ratio:16/10;}
        .hero-visual img{width:100%;height:100%;object-fit:cover;}
        .hero-visual::after{content:'';position:absolute;bottom:0;left:0;right:0;height:48%;background:linear-gradient(to top,rgba(27,31,36,0.65),transparent);pointer-events:none;}
        .hero-visual-badge{position:absolute;bottom:20px;left:20px;z-index:2;color:#FFFFFF;font-size:14px;font-weight:600;letter-spacing:.5px;text-shadow:0 2px 8px rgba(0,0,0,0.4);}

        /* section header */
        .section-header{margin-bottom:44px;}
        .section-header .kicker{display:inline-block;font-size:13px;font-weight:600;color:var(--copper);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px;}
        .section-header p{color:var(--text-secondary);margin-top:12px;font-size:15.5px;}

        /* method steps */
        .method-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
        .method-step{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:24px 20px;text-align:center;transition:all .25s ease;}
        .method-step:hover{border-color:var(--copper);box-shadow:var(--shadow-card);transform:translateY(-3px);}
        .method-step .step-icon{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;background:var(--copper-pale);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--copper);font-family:var(--font-mono);font-weight:700;}
        .method-step h3{font-size:16px;margin-bottom:6px;}
        .method-step p{font-size:13.5px;color:var(--text-secondary);margin:0 auto;}

        /* ranking list */
        .rank-list{display:flex;flex-direction:column;gap:16px;}
        .rank-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:20px 24px;display:grid;grid-template-columns:72px 1fr;gap:18px;transition:all .25s ease;box-shadow:var(--shadow-card);}
        .rank-card:hover{border-color:var(--copper);box-shadow:var(--shadow-card-hover);transform:translateY(-2px);}
        .rank-number{font-family:var(--font-mono);font-size:36px;font-weight:700;color:var(--copper);line-height:1;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--border-light);padding-right:18px;}
        .rank-body{display:flex;flex-direction:column;gap:10px;}
        .rank-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
        .rank-platform{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:17px;font-weight:700;color:var(--ink);}
        .rank-platform .platform-icon{width:40px;height:40px;border-radius:10px;background:var(--cream);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--text-secondary);border:1px solid var(--border-light);flex-shrink:0;overflow:hidden;}
        .rank-platform .platform-icon img{width:100%;height:100%;object-fit:cover;border-radius:10px;}
        .rank-tags{display:flex;flex-wrap:wrap;gap:6px;}
        .tag{display:inline-block;padding:3px 12px;font-size:12px;font-weight:500;border-radius:var(--radius-tag);background:var(--copper-pale);color:#7A5B24;letter-spacing:.3px;}
        .tag--gray{background:#F0F0F0;color:var(--text-secondary);}
        .tag--red{background:#FDF0EE;color:var(--red-up);}
        .tag--green{background:#ECF6F1;color:var(--green-down);}
        .rank-metrics{display:flex;flex-wrap:wrap;gap:16px 28px;}
        .rank-metric .metric-label{font-size:11.5px;color:var(--text-weak);letter-spacing:.5px;text-transform:uppercase;margin-bottom:2px;}
        .rank-metric .metric-value{font-family:var(--font-mono);font-size:16px;font-weight:600;color:var(--text-primary);}
        .rank-metric .metric-value.up{color:var(--red-up);}
        .rank-metric .metric-value.down{color:var(--green-down);}
        .rank-score{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
        .rank-score .score-bar{width:140px;height:6px;border-radius:3px;background:#EFEBE3;overflow:hidden;flex-shrink:0;}
        .rank-score .score-bar span{display:block;height:100%;background:var(--copper);border-radius:3px;transition:width .5s ease;}
        .rank-score .score-num{font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--ink);}
        .rank-comment{font-size:13.5px;color:var(--text-secondary);line-height:1.7;}
        .rank-action{display:flex;gap:10px;margin-top:4px;}

        /* filter */
        .filter-panel{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);}
        .filter-group{margin-bottom:18px;}
        .filter-group:last-child{margin-bottom:0;}
        .filter-label{font-size:13px;font-weight:600;color:var(--text-secondary);letter-spacing:.5px;margin-bottom:10px;display:block;}
        .filter-tags{display:flex;flex-wrap:wrap;gap:8px;}
        .filter-tag{display:inline-block;padding:7px 16px;font-size:13px;font-weight:500;border:1px solid var(--border-light);border-radius:var(--radius-tag);background:var(--cream);color:var(--text-primary);transition:all .2s ease;cursor:pointer;}
        .filter-tag:hover,.filter-tag:focus{background:var(--copper-pale);border-color:var(--copper);color:var(--ink);}
        .filter-tag:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}
        .filter-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border-light);}

        /* risk warn */
        .risk-warn{background:#FDF5F3;border:1px solid #F0C4BB;border-radius:var(--radius-card);padding:32px;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:flex-start;}
        .risk-warn .warn-icon{width:52px;height:52px;border-radius:50%;background:#FCE8E3;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--red-up);flex-shrink:0;}
        .risk-warn h3{color:var(--red-up);margin-bottom:10px;font-size:19px;}
        .risk-warn ul{display:flex;flex-direction:column;gap:8px;}
        .risk-warn ul li{position:relative;padding-left:20px;color:var(--text-secondary);font-size:14.5px;line-height:1.7;}
        .risk-warn ul li::before{content:'';position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--red-up);opacity:.7;}
        .risk-warn .btn{margin-top:14px;}

        /* topic grid */
        .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
        .topic-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:22px 20px;transition:all .25s ease;display:block;cursor:pointer;}
        .topic-card:hover{border-color:var(--copper);box-shadow:var(--shadow-card);transform:translateY(-3px);}
        .topic-card:hover .topic-arrow{transform:translateX(4px);}
        .topic-card .topic-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
        .topic-icon{width:38px;height:38px;border-radius:9px;background:var(--copper-pale);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;}
        .topic-icon span{color:var(--copper);font-weight:700;font-size:14px;font-family:var(--font-mono);}
        .topic-card h3{font-size:15.5px;margin-bottom:4px;}
        .topic-card p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:10px;}
        .topic-arrow{color:var(--copper);font-size:16px;font-family:var(--font-mono);transition:transform .2s ease;}

        /* scenario */
        .scenario-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center;}
        .scenario-intro h2{margin-bottom:14px;}
        .scenario-intro p{color:var(--text-secondary);font-size:15px;margin-bottom:20px;}
        .scenario-intro img{border-radius:var(--radius-card);box-shadow:var(--shadow-card);aspect-ratio:16/10;object-fit:cover;width:100%;}
        .scenario-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
        .scenario-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:22px 18px;transition:all .25s ease;display:flex;flex-direction:column;gap:10px;}
        .scenario-card:hover{border-color:var(--copper);box-shadow:var(--shadow-card);transform:translateY(-2px);}
        .scenario-card h3{font-size:15px;margin-bottom:2px;}
        .scenario-card p{font-size:13px;color:var(--text-secondary);line-height:1.6;flex-grow:1;}
        .scenario-card .btn{align-self:flex-start;}

        /* news */
        .news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
        .news-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);overflow:hidden;transition:all .25s ease;display:flex;box-shadow:var(--shadow-card);}
        .news-card:hover{border-color:var(--copper);box-shadow:var(--shadow-card-hover);transform:translateY(-2px);}
        .news-thumb{width:38%;min-height:140px;flex-shrink:0;overflow:hidden;position:relative;}
        .news-thumb img{width:100%;height:100%;object-fit:cover;}
        .news-thumb.placeholder{background:linear-gradient(135deg,#EFEBE3 0%,#E3DDD1 100%);display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--text-weak);}
        .news-body{padding:16px 18px;display:flex;flex-direction:column;gap:6px;flex-grow:1;}
        .news-body h4{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:4px;color:var(--ink);}
        .news-body .news-excerpt{font-size:13px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex-grow:1;}
        .news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-weak);}
        .news-meta .tag{font-size:11px;padding:2px 10px;}
        .news-empty{background:var(--white);border:1px dashed var(--border-warm);border-radius:var(--radius-card);padding:48px 24px;text-align:center;color:var(--text-weak);font-size:14px;}

        /* compare table */
        .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-card);border:1px solid var(--border-light);}
        .compare-table{min-width:820px;font-size:14px;}
        .compare-table thead{background:var(--ink);}
        .compare-table thead th{color:#FFFFFF;font-weight:600;padding:14px 16px;text-align:left;font-size:14px;letter-spacing:.3px;white-space:nowrap;}
        .compare-table tbody tr{border-bottom:1px solid var(--border-light);transition:background .15s ease;}
        .compare-table tbody tr:hover{background:#FAFAF8;}
        .compare-table tbody td{padding:14px 16px;color:var(--text-primary);font-size:13.5px;line-height:1.6;}
        .compare-table tbody td:first-child{font-weight:600;white-space:nowrap;color:var(--ink);}
        .compare-table .tb-up{color:var(--red-up);font-weight:600;}
        .compare-table .tb-down{color:var(--green-down);font-weight:600;}

        /* rate cards */
        .rate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
        .rate-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:22px 18px;text-align:center;transition:all .25s ease;display:flex;flex-direction:column;gap:6px;align-items:center;box-shadow:var(--shadow-card);}
        .rate-card:hover{border-color:var(--copper);box-shadow:var(--shadow-card-hover);transform:translateY(-3px);}
        .rate-card .rate-label{font-size:13px;color:var(--text-secondary);}
        .rate-card .rate-value{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--ink);line-height:1.2;}
        .rate-card .rate-sub{font-size:12px;color:var(--text-weak);}
        .rate-card .btn{margin-top:8px;}

        /* term accordion */
        .accordion{display:flex;flex-direction:column;gap:10px;}
        .accordion-item{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);overflow:hidden;transition:border .2s ease;}
        .accordion-item.active{border-color:var(--copper);box-shadow:var(--shadow-card);}
        .accordion-head{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font-family:var(--font-heading);font-size:15px;font-weight:600;color:var(--ink);text-align:left;position:relative;}
        .accordion-head .acc-icon{font-family:var(--font-mono);font-size:18px;color:var(--copper);transition:transform .25s ease;flex-shrink:0;margin-left:12px;}
        .accordion-item.active .acc-icon{transform:rotate(45deg);}
        .accordion-body{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 22px;}
        .accordion-item.active .accordion-body{max-height:200px;padding:0 22px 20px;}
        .accordion-body p{font-size:14px;color:var(--text-secondary);line-height:1.8;}

        /* legend */
        .legend-strip{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center;padding:28px 0;}
        .legend-item{display:flex;align-items:center;gap:10px;font-size:14px;color:#E8E6E1;}
        .legend-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0;}
        .legend-dot--up{background:var(--red-up);}
        .legend-dot--down{background:var(--green-down);}

        /* faq */
        .faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:10px;}
        .faq-item{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);overflow:hidden;transition:border .2s ease;}
        .faq-item.active{border-color:var(--copper);box-shadow:var(--shadow-card);}
        .faq-head{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font-family:var(--font-heading);font-size:15px;font-weight:600;color:var(--ink);text-align:left;gap:12px;}
        .faq-head .faq-icon{font-family:var(--font-mono);font-size:20px;color:var(--copper);flex-shrink:0;transition:transform .25s ease;}
        .faq-item.active .faq-icon{transform:rotate(45deg);}
        .faq-body{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 22px;}
        .faq-item.active .faq-body{max-height:260px;padding:0 22px 20px;}
        .faq-body p{font-size:14px;color:var(--text-secondary);line-height:1.8;}

        /* method timeline */
        .method-list{display:flex;flex-direction:column;gap:0;max-width:700px;}
        .method-item{display:flex;gap:18px;position:relative;padding-bottom:24px;}
        .method-item::before{content:'';position:absolute;left:9px;top:18px;bottom:0;width:2px;background:var(--border-light);}
        .method-item:last-child::before{display:none;}
        .method-dot{width:20px;height:20px;border-radius:50%;background:var(--copper);flex-shrink:0;margin-top:4px;box-shadow:0 0 0 4px var(--copper-pale);}
        .method-item h3{font-size:15px;margin-bottom:4px;}
        .method-item p{font-size:14px;color:var(--text-secondary);line-height:1.7;}

        /* cta */
        .cta-section{background:var(--ink);padding:var(--section-pad-desktop) 0;text-align:center;position:relative;overflow:hidden;}
        .cta-section::before{content:'';position:absolute;bottom:-180px;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(ellipse,rgba(193,138,63,0.12) 0%,transparent 65%);pointer-events:none;}
        .cta-section h2{color:#FFFFFF;margin-bottom:16px;}
        .cta-section p{color:#C9C7C2;margin:0 auto 32px;max-width:520px;font-size:16px;}
        .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:40px;position:relative;z-index:1;}
        .cta-form{max-width:480px;margin:0 auto;position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap;justify-content:center;}
        .cta-form input{flex:1;min-width:220px;padding:13px 18px;border:1px solid #3A3E44;border-radius:var(--radius-btn);background:#24282E;color:#FFFFFF;font-size:14px;transition:border .2s ease;}
        .cta-form input::placeholder{color:#9A9EA6;}
        .cta-form input:focus{border-color:var(--copper);outline:none;box-shadow:0 0 0 2px rgba(193,138,63,0.25);}

        /* disclaimer */
        .disclaimer{background:var(--cream);padding:28px 0 40px;}
        .disclaimer p{font-size:12.5px;color:var(--text-weak);line-height:1.8;max-width:100%;}

        /* footer */
        .site-footer{background:var(--ink);padding:56px 0 28px;color:#C9C7C2;}
        .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px;}
        .footer-brand .brand{font-size:17px;margin-bottom:12px;}
        .footer-brand p{font-size:13px;color:var(--text-weak);line-height:1.8;max-width:280px;}
        .footer-col h4{color:#FFFFFF;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.3px;}
        .footer-col ul{display:flex;flex-direction:column;gap:8px;}
        .footer-col ul a{font-size:13.5px;color:#A9A7A3;transition:color .2s;}
        .footer-col ul a:hover{color:var(--copper);}
        .footer-bottom{border-top:1px solid #2E3237;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;}
        .footer-bottom p{font-size:12.5px;color:var(--text-weak);line-height:1.6;max-width:none;}
        .footer-bottom .footer-links{display:flex;gap:16px;flex-wrap:wrap;}
        .footer-bottom .footer-links a{font-size:12.5px;color:var(--text-weak);}
        .footer-bottom .footer-links a:hover{color:var(--copper);}

        /* responsive */
        @media (max-width:1024px){
            .hero-grid{grid-template-columns:1fr;gap:36px;}
            .hero-visual{aspect-ratio:16/9;}
            .method-steps{grid-template-columns:repeat(2,1fr);}
            .topic-grid{grid-template-columns:repeat(2,1fr);}
            .scenario-wrap{grid-template-columns:1fr;}
            .scenario-cards{grid-template-columns:repeat(3,1fr);}
            .rate-grid{grid-template-columns:repeat(2,1fr);}
            .news-list{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr 1fr;}
        }
        @media (max-width:768px){
            :root{--section-pad-desktop:56px;}
            .section{padding:var(--section-pad-mobile) 0;}
            .nav{position:fixed;top:var(--header-height);right:0;bottom:0;left:0;background:var(--ink);flex-direction:column;align-items:stretch;padding:20px 24px;gap:4px;transform:translateX(100%);transition:transform .3s ease;z-index:90;overflow-y:auto;}
            .nav.is-open{transform:translateX(0);box-shadow:-4px 0 40px rgba(0,0,0,0.3);}
            .nav a{display:block;padding:14px 16px;font-size:16px;border-radius:var(--radius-btn);}
            .nav-toggle{display:flex;}
            .hero{padding:40px 0 56px;}
            .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px;}
            .hero-stat .stat-num{font-size:22px;}
            .rank-card{grid-template-columns:1fr;gap:12px;padding:16px;}
            .rank-number{font-size:28px;border-right:none;padding-right:0;border-bottom:1px solid var(--border-light);padding-bottom:10px;}
            .rank-score .score-bar{width:100px;}
            .risk-warn{grid-template-columns:1fr;gap:16px;padding:22px;}
            .topic-grid{grid-template-columns:1fr 1fr;}
            .scenario-cards{grid-template-columns:1fr;}
            .rate-grid{grid-template-columns:1fr;}
            .cta-section{padding:56px 0;}
            .footer-grid{grid-template-columns:1fr;gap:24px;}
            .footer-bottom{flex-direction:column;text-align:center;}
            body{padding-top:0;}
        }
        @media (max-width:480px){
            .container{padding-left:16px;padding-right:16px;}
            .brand{font-size:16px;}
            .brand .brand-mark{width:28px;height:28px;font-size:12px;}
            .hero h1{font-size:24px;}
            .hero-subtitle{font-size:15px;}
            .method-steps{grid-template-columns:1fr;}
            .topic-grid{grid-template-columns:1fr;}
            .rank-card{padding:14px;}
            .rank-metrics{gap:10px 16px;}
            .rank-score{flex-wrap:wrap;}
            .news-card{flex-direction:column;}
            .news-thumb{width:100%;min-height:160px;}
            .cta-form input{min-width:100%;}
            .btn{width:100%;justify-content:center;}
            .hero-actions .btn{width:auto;}
        }

/* roulang page: article */
:root {
            --ink: #1B1F24;
            --copper: #C18A3F;
            --copper-light: #D9B878;
            --copper-pale: #F3E8D6;
            --cream: #F5F1E8;
            --white: #FFFFFF;
            --red-up: #D94A3D;
            --green-down: #1F8A5C;
            --text-primary: #1A1C20;
            --text-secondary: #6B6F76;
            --text-weak: #9A9EA6;
            --border-light: #E5E0D6;
            --border-warm: #D8CFC0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 6px 24px rgba(27,31,36,0.06);
            --shadow-card-hover: 0 14px 40px rgba(27,31,36,0.12);
            --font-heading: 'Noto Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
            --font-body: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono',monospace;
            --container-max: 1200px;
            --header-height: 72px;
            --section-pad-desktop: 56px;
            --section-pad-mobile: 40px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            color: var(--text-primary);
            background: var(--cream);
            line-height: 1.85;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--copper);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--section-pad-desktop) 0;
        }
        .section--cream {
            background: var(--cream);
        }
        .section--white {
            background: var(--white);
        }
        .section--dark {
            background: var(--ink);
            color: #E8E6E1;
        }
        .section--dark h2,
        .section--dark h3 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: #C9C7C2;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 28px;
            letter-spacing: .4px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--copper);
            border-radius: 2px;
            margin-top: 10px;
        }
        .text-center {
            text-align: center;
        }
        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--ink);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid #2E3237;
            box-shadow: 0 2px 16px rgba(0,0,0,0.14);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 19px;
            color: #FFFFFF;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .brand .brand-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--copper);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            flex-shrink: 0;
        }
        .brand:hover {
            color: #FFFFFF;
            opacity: .92;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            display: inline-block;
            padding: 10px 16px;
            font-size: 14.5px;
            font-weight: 500;
            color: #C9C7C2;
            border-radius: var(--radius-btn);
            transition: background .2s, color .2s;
            position: relative;
        }
        .nav a:hover {
            background: rgba(255,255,255,0.06);
            color: #FFFFFF;
        }
        .nav a.active {
            color: #FFFFFF;
            background: rgba(193,138,63,0.18);
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 110;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all .25s ease;
        }
        .nav-toggle.is-active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.is-active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* breadcrumb */
        .breadcrumb-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
        }
        .breadcrumb {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--text-secondary);
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: '/';
            color: var(--text-weak);
            margin-right: 8px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--copper);
        }
        .breadcrumb li[aria-current="page"] {
            color: var(--text-weak);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        /* article header */
        .article-header {
            background: var(--white);
            padding: 48px 0 32px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .article-category {
            display: inline-block;
            background: var(--copper-pale);
            color: #7A5B24;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-tag);
            letter-spacing: .4px;
        }
        .article-date {
            font-size: 13.5px;
            color: var(--text-weak);
        }
        .article-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: .3px;
        }
        .article-source {
            font-size: 13.5px;
            color: var(--text-weak);
        }
        /* article body */
        .article-content {
            background: var(--white);
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 16.5px;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin: 36px 0 16px;
            line-height: 1.5;
            letter-spacing: .3px;
        }
        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 600;
            color: var(--ink);
            margin: 28px 0 12px;
            line-height: 1.5;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
            padding: 0;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 3px solid var(--copper);
            background: var(--cream);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
            font-style: normal;
            color: var(--text-secondary);
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14.5px;
        }
        .article-body table th {
            background: var(--ink);
            color: #FFFFFF;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-body table tr:nth-child(even) td {
            background: #FAFAFA;
        }
        .article-body img {
            border-radius: var(--radius-card);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--cream);
            border-radius: var(--radius-card);
            border: 1px dashed var(--border-warm);
        }
        .article-empty p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        /* risk card */
        .risk-card {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #FEF6F5;
            border: 1px solid #F0C8C3;
            border-left: 4px solid var(--red-up);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
        }
        .risk-card .risk-icon {
            font-size: 28px;
            line-height: 1.4;
            color: var(--red-up);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .risk-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--red-up);
            margin-bottom: 12px;
        }
        .risk-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .risk-card ul li {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding-left: 16px;
            position: relative;
            margin-bottom: 6px;
        }
        .risk-card ul li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--red-up);
            font-weight: 700;
        }
        /* related articles */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--copper);
            transform: translateY(-4px);
        }
        .article-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .article-card .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--copper);
            background: var(--copper-pale);
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card h3 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .article-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .article-card .btn {
            align-self: flex-start;
        }
        /* prev/next */
        .prev-next-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .prev-next-card {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .prev-next-card:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            color: inherit;
        }
        .prev-next-card .label {
            font-size: 12.5px;
            color: var(--text-weak);
            font-weight: 500;
            letter-spacing: .5px;
            text-transform: uppercase;
        }
        .prev-next-card .title {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .prev-next-card.next-link {
            text-align: right;
        }
        .prev-next-card.next-link .label,
        .prev-next-card.next-link .title {
            text-align: right;
        }
        /* CTA dark */
        .cta-box {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 16px;
            color: #C9C7C2;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .cta-box .btn--primary {
            padding: 14px 36px;
            font-size: 16px;
        }
        /* disclaimer */
        .disclaimer {
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
            padding: 16px 24px;
            background: rgba(255,255,255,0.6);
            border: 1px solid var(--border-light);
            border-radius: 8px;
        }
        .disclaimer p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }
        /* buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all .25s ease;
            letter-spacing: .2px;
            line-height: 1.4;
            text-align: center;
        }
        .btn--primary {
            background: var(--copper);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(193,138,63,0.3);
        }
        .btn--primary:hover {
            background: #D19B4A;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(193,138,63,0.4);
        }
        .btn--outline {
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--border-warm);
        }
        .btn--outline:hover {
            background: var(--copper-pale);
            border-color: var(--copper);
            color: var(--ink);
            transform: translateY(-2px);
        }
        .btn--small {
            padding: 9px 18px;
            font-size: 13.5px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        /* footer */
        .site-footer {
            background: var(--ink);
            color: #C9C7C2;
            padding: 56px 0 0;
            border-top: 1px solid #2E3237;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #2E3237;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            color: #9A9EA6;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: .3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: #9A9EA6;
            transition: color .2s;
        }
        .footer-col ul li a:hover {
            color: var(--copper);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 0 24px;
        }
        .footer-bottom p {
            font-size: 12.5px;
            color: #6B6F76;
            margin: 0;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-links a {
            font-size: 12.5px;
            color: #6B6F76;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--copper);
        }
        /* responsive */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-pad-desktop: 40px;
                --section-pad-mobile: 32px;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .brand {
                font-size: 16px;
                gap: 8px;
            }
            .brand .brand-mark {
                width: 28px;
                height: 28px;
                font-size: 12px;
                border-radius: 6px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--ink);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 20px 24px;
                transform: translateX(100%);
                transition: transform .3s ease;
                z-index: 105;
                overflow-y: auto;
            }
            .nav.is-open {
                transform: translateX(0);
            }
            .nav a {
                padding: 16px 20px;
                font-size: 16px;
                border-bottom: 1px solid #2E3237;
                border-radius: 0;
                text-align: left;
            }
            .nav a:last-child {
                border-bottom: none;
            }
            .nav a.active::after {
                display: none;
            }
            .article-title {
                font-size: 24px;
            }
            .prev-next-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .prev-next-card.next-link,
            .prev-next-card.next-link .label,
            .prev-next-card.next-link .title {
                text-align: left;
            }
            .risk-card {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .article-body {
                font-size: 15.5px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 17px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-header {
                padding: 32px 0 24px;
            }
            .article-title {
                font-size: 20px;
                line-height: 1.45;
            }
            .breadcrumb li[aria-current="page"] {
                max-width: 160px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }
            .btn--small {
                padding: 8px 14px;
                font-size: 12.5px;
            }
            .cta-box p {
                font-size: 14.5px;
            }
        }

/* roulang page: category1 */
:root {
            --ink: #1B1F24;
            --copper: #C18A3F;
            --copper-light: #D9B878;
            --copper-pale: #F3E8D6;
            --cream: #F5F1E8;
            --white: #FFFFFF;
            --red-up: #D94A3D;
            --green-down: #1F8A5C;
            --text-primary: #1A1C20;
            --text-secondary: #6B6F76;
            --text-weak: #9A9EA6;
            --border-light: #E5E0D6;
            --border-warm: #D8CFC0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 6px 24px rgba(27,31,36,0.06);
            --shadow-card-hover: 0 14px 40px rgba(27,31,36,0.12);
            --font-heading: 'Noto Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
            --font-body: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono',monospace;
            --container-max: 1200px;
            --header-height: 72px;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 48px;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-body);
            color: var(--text-primary);
            background: var(--cream);
            line-height: 1.85;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color .2s ease; }
        a:hover { color: var(--copper); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, textarea, select { font-family: inherit; font-size: 1rem; }
        .container { max-width: var(--container-max); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        .section { padding: var(--section-pad-desktop) 0; }
        .section--cream { background: var(--cream); }
        .section--white { background: var(--white); }
        .section--dark { background: var(--ink); color: #E8E6E1; }
        .section--dark h1, .section--dark h2, .section--dark h3 { color: #FFFFFF; }
        .section--dark p { color: #C9C7C2; }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--ink);
            height: var(--header-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid #2E3237;
            box-shadow: 0 2px 16px rgba(0,0,0,0.14);
        }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 19px;
            color: #FFFFFF;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .brand .brand-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--copper);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            flex-shrink: 0;
        }
        .brand:hover { color: #FFFFFF; opacity: .92; }
        .nav { display: flex; align-items: center; gap: 8px; }
        .nav a {
            display: inline-block;
            padding: 10px 16px;
            font-size: 14.5px;
            font-weight: 500;
            color: #C9C7C2;
            border-radius: var(--radius-btn);
            transition: background .2s, color .2s;
            position: relative;
        }
        .nav a:hover { background: rgba(255,255,255,0.06); color: #FFFFFF; }
        .nav a.active { color: #FFFFFF; background: rgba(193,138,63,0.18); }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 110;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all .25s ease;
        }
        .nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.is-active span:nth-child(2) { opacity: 0; }
        .nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* Category Hero */
        .category-hero {
            background: var(--ink);
            padding: 48px 0 52px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            right: -100px;
            bottom: -140px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(193,138,63,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container { position: relative; z-index: 1; }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }
        .category-hero .subtitle {
            font-size: 16px;
            color: #C9C7C2;
            line-height: 1.9;
            max-width: 720px;
            margin: 0;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all .25s ease;
            letter-spacing: .2px;
            line-height: 1.4;
            text-align: center;
        }
        .btn--primary {
            background: var(--copper);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(193,138,63,0.3);
        }
        .btn--primary:hover {
            background: #D19B4A;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(193,138,63,0.4);
        }
        .btn--outline {
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--border-warm);
        }
        .btn--outline:hover {
            background: var(--copper-pale);
            border-color: var(--copper);
            color: var(--ink);
            transform: translateY(-2px);
        }
        .btn--small { padding: 9px 18px; font-size: 13.5px; }
        .btn--light { background: #FFFFFF; color: var(--ink); border: 1px solid var(--border-light); }
        .btn--light:hover { background: var(--copper-pale); border-color: var(--copper); transform: translateY(-2px); }
        .btn:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }

        /* Section titles */
        .section-title {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: .3px;
        }
        .section-subtitle {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 680px;
            margin-bottom: 36px;
        }
        .section-head { margin-bottom: 36px; }
        .section-head .title-row {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-head .title-row .btn { margin-top: auto; }

        /* Tag */
        .tag {
            display: inline-block;
            background: var(--copper-pale);
            color: #7A5B24;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            letter-spacing: .3px;
            white-space: nowrap;
        }

        /* Risk level cards */
        .risk-level-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .risk-level-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
            position: relative;
            overflow: hidden;
        }
        .risk-level-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-warm);
            transform: translateY(-3px);
        }
        .risk-level-card .risk-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .risk-level-card .risk-icon.icon-low { background: #E8F5EE; color: var(--green-down); }
        .risk-level-card .risk-icon.icon-mid { background: #FFF8E8; color: #9D7B2A; }
        .risk-level-card .risk-icon.icon-high { background: #FDEBEA; color: var(--red-up); }
        .risk-level-card h3 {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .risk-level-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
        }
        .risk-level-card .risk-level-badge {
            position: absolute;
            top: 18px;
            right: 18px;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            letter-spacing: .4px;
        }
        .badge-low { background: #E8F5EE; color: var(--green-down); }
        .badge-mid { background: #FFF8E8; color: #9D7B2A; }
        .badge-high { background: #FDEBEA; color: var(--red-up); }

        /* Risk case cards */
        .risk-case-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        .risk-case-card {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
        }
        .risk-case-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-warm);
        }
        .risk-case-card .case-visual {
            width: 180px;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 8px;
            background: var(--cream);
        }
        .risk-case-card .case-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .risk-case-card .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .risk-case-card h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .risk-case-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 4px;
        }
        .risk-case-card .case-point {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin: 0;
        }
        .risk-case-card .case-point strong {
            color: var(--red-up);
            font-weight: 600;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 28px;
            margin: 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 4px;
            bottom: 4px;
            left: 10px;
            width: 2px;
            background: var(--border-warm);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-item::before {
            content: '';
            position: absolute;
            top: 6px;
            left: -28px;
            width: 12px;
            height: 12px;
            background: var(--copper);
            border-radius: 50%;
            border: 2px solid var(--white);
            box-shadow: 0 0 0 2px var(--copper-pale);
        }
        .timeline-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--copper);
            font-weight: 600;
            letter-spacing: .4px;
            display: block;
            margin-bottom: 4px;
        }
        .timeline-item h5 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Alert card */
        .alert-card {
            background: #FDF6F5;
            border: 1px solid rgba(217,74,61,0.35);
            border-left: 4px solid var(--red-up);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
        }
        .alert-card h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--red-up);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .alert-card h3 .alert-icon {
            width: 28px;
            height: 28px;
            background: var(--red-up);
            color: #FFFFFF;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .alert-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .alert-card ul li {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            padding-left: 20px;
            position: relative;
            margin-bottom: 8px;
        }
        .alert-card ul li:last-child { margin-bottom: 0; }
        .alert-card ul li::before {
            content: '▸';
            position: absolute;
            left: 2px;
            color: var(--red-up);
            font-weight: 700;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-warm);
            transform: translateY(-2px);
        }
        .step-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--copper);
            margin-bottom: 12px;
            line-height: 1;
        }
        .step-card h5 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .step-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* Self-test FAQ */
        .selftest-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .selftest-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
        }
        .selftest-card:hover { border-color: var(--border-warm); box-shadow: var(--shadow-card-hover); }
        .selftest-card h5 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .selftest-card h5 .q-mark {
            width: 24px;
            height: 24px;
            background: var(--copper-pale);
            color: #7A5B24;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .selftest-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Related articles */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-warm);
            transform: translateY(-3px);
        }
        .related-card .related-visual {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--cream);
        }
        .related-card .related-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .related-visual img { transform: scale(1.03); }
        .related-card .related-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .related-body .tag {
            align-self: flex-start;
            margin-bottom: 10px;
        }
        .related-card h4 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.55;
        }
        .related-card h4 a { color: var(--text-primary); }
        .related-card h4 a:hover { color: var(--copper); }
        .related-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
            flex: 1;
        }
        .related-card time {
            font-size: 12px;
            color: var(--text-weak);
            font-family: var(--font-mono);
        }

        /* CTA Section */
        .cta-section {
            background: var(--ink);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(193,138,63,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 15.5px;
            color: #C9C7C2;
            max-width: 540px;
            margin: 0 auto 24px;
            line-height: 1.85;
        }
        .cta-section .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-section .btn--primary { background: var(--copper); }
        .cta-section .btn--outline {
            background: transparent;
            color: #FFFFFF;
            border-color: #4A4E55;
        }
        .cta-section .btn--outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--copper);
            color: #FFFFFF;
        }

        /* Empty state */
        .empty-state {
            font-size: 14px;
            color: var(--text-weak);
            text-align: center;
            padding: 24px 0;
            font-style: italic;
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: #C9C7C2;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid #2E3237;
        }
        .footer-brand .brand {
            font-size: 17px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .brand .brand-mark {
            width: 30px;
            height: 30px;
            border-radius: 7px;
            background: var(--copper);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--ink);
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: #9A9EA6;
            line-height: 1.8;
            margin: 0;
            max-width: 260px;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: .3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            font-size: 13.5px;
            color: #9A9EA6;
            transition: color .2s ease;
        }
        .footer-col ul li a:hover { color: var(--copper); }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
        }
        .footer-bottom p {
            font-size: 12.5px;
            color: #6B6F76;
            margin: 0;
        }
        .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 12.5px;
            color: #6B6F76;
            transition: color .2s ease;
        }
        .footer-links a:hover { color: var(--copper); }

        /* Responsive */
        @media (max-width: 1024px) {
            .risk-level-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            :root { --section-pad-desktop: 48px; --section-pad-mobile: 40px; }
            .section { padding: var(--section-pad-mobile) 0; }
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--ink);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 2px solid var(--copper);
                transform: translateY(-120%);
                transition: transform .3s ease;
                z-index: 99;
                max-height: calc(100vh - var(--header-height));
                overflow-y: auto;
            }
            .nav.is-open { transform: translateY(0); }
            .nav a {
                display: block;
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 8px;
                width: 100%;
            }
            .nav a.active::after { display: none; }
            .nav-toggle { display: flex; }
            .risk-level-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .risk-case-card {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .risk-case-card .case-visual {
                width: 100%;
                aspect-ratio: 16/8;
            }
            .category-hero h1 { font-size: 26px; }
            .section-title { font-size: 22px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .brand { font-size: 15px; gap: 6px; }
            .brand .brand-mark { width: 28px; height: 28px; font-size: 12px; }
            .category-hero { padding: 36px 0 40px; }
            .category-hero h1 { font-size: 22px; }
            .category-hero .subtitle { font-size: 14px; }
            .section-title { font-size: 20px; }
            .risk-case-card { padding: 16px; }
            .risk-level-card { padding: 20px 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 18px; }
            .btn { padding: 11px 22px; font-size: 14px; }
            .related-card .related-body { padding: 14px 16px 16px; }
            .alert-card { padding: 20px 16px; }
            .timeline { padding-left: 22px; }
            .timeline-item::before { left: -22px; width: 10px; height: 10px; }
        }

/* roulang page: category2 */
:root {
            --ink: #1B1F24;
            --copper: #C18A3F;
            --copper-light: #D9B878;
            --copper-pale: #F3E8D6;
            --cream: #F5F1E8;
            --white: #FFFFFF;
            --red-up: #D94A3D;
            --green-down: #1F8A5C;
            --text-primary: #1A1C20;
            --text-secondary: #6B6F76;
            --text-weak: #9A9EA6;
            --border-light: #E5E0D6;
            --border-warm: #D8CFC0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 6px 24px rgba(27,31,36,0.06);
            --shadow-card-hover: 0 14px 40px rgba(27,31,36,0.12);
            --font-heading: 'Noto Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
            --font-body: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono',monospace;
            --container-max: 1200px;
            --header-height: 72px;
            --section-pad-desktop: 56px;
            --section-pad-mobile: 48px;
        }
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
        body{
            font-family:var(--font-body);
            color:var(--text-primary);
            background:var(--cream);
            line-height:1.85;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
        }
        img{max-width:100%;height:auto;display:block;}
        a{color:inherit;text-decoration:none;transition:color .2s ease;}
        a:hover{color:var(--copper);}
        button{font-family:inherit;cursor:pointer;border:none;background:none;}
        input,textarea,select{font-family:inherit;font-size:1rem;}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.4;color:var(--ink);margin-bottom:1rem;}
        h1{font-size:32px;}
        h2{font-size:26px;margin-bottom:1.5rem;}
        h3{font-size:20px;margin-bottom:0.75rem;}
        h4{font-size:17px;margin-bottom:0.5rem;}
        p{color:var(--text-secondary);line-height:1.9;margin-bottom:1.2rem;}
        .container{max-width:var(--container-max);margin:0 auto;padding-left:24px;padding-right:24px;}
        .section{padding:var(--section-pad-desktop) 0;}
        .section--cream{background:var(--cream);}
        .section--white{background:var(--white);}
        .section--dark{background:var(--ink);color:#E8E6E1;}
        .section--dark h2,.section--dark h3,.section--dark h4{color:#FFFFFF;}
        .section--dark p{color:#C9C7C2;}
        .section--dark .text-weak{color:var(--text-weak);}

        /* Header */
        .site-header{position:sticky;top:0;z-index:100;background:var(--ink);height:var(--header-height);display:flex;align-items:center;border-bottom:1px solid #2E3237;box-shadow:0 2px 16px rgba(0,0,0,0.14);}
        .site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;}
        .brand{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:19px;color:#FFFFFF;letter-spacing:.5px;white-space:nowrap;}
        .brand .brand-mark{width:34px;height:34px;border-radius:8px;background:var(--copper);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--ink);flex-shrink:0;}
        .brand:hover{color:#FFFFFF;opacity:.92;}
        .nav{display:flex;align-items:center;gap:8px;}
        .nav a{
            display:inline-block;padding:10px 16px;font-size:14.5px;font-weight:500;color:#C9C7C2;
            border-radius:var(--radius-btn);transition:background .2s,color .2s;position:relative;
        }
        .nav a:hover{background:rgba(255,255,255,0.06);color:#FFFFFF;}
        .nav a.active{color:#FFFFFF;background:rgba(193,138,63,0.18);}
        .nav a.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--copper);border-radius:2px;}
        .nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;z-index:110;}
        .nav-toggle span{display:block;width:24px;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease;}
        .nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
        .nav-toggle.is-active span:nth-child(2){opacity:0;}
        .nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

        /* Buttons */
        .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;font-size:15px;font-weight:600;border-radius:var(--radius-btn);transition:all .25s ease;letter-spacing:.2px;line-height:1.4;text-align:center;}
        .btn--primary{background:var(--copper);color:#FFFFFF;box-shadow:0 4px 14px rgba(193,138,63,0.3);}
        .btn--primary:hover{background:#D19B4A;color:#FFFFFF;transform:translateY(-2px);box-shadow:0 8px 24px rgba(193,138,63,0.4);}
        .btn--outline{background:transparent;color:var(--ink);border:1px solid var(--border-warm);}
        .btn--outline:hover{background:var(--copper-pale);border-color:var(--copper);color:var(--ink);transform:translateY(-2px);}
        .btn--small{padding:9px 18px;font-size:13.5px;}
        .btn:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}

        /* Category Banner */
        .category-banner{
            background:#E9E1D2;
            padding:32px 0;
            border-bottom:1px solid var(--border-light);
        }
        .category-banner h1{
            margin-bottom:8px;
            font-size:30px;
            color:var(--ink);
        }
        .category-banner .banner-sub{
            color:var(--text-secondary);
            font-size:15px;
            max-width:680px;
            line-height:1.7;
            margin-bottom:0;
        }

        /* Stat Strip */
        .stat-strip{
            background:var(--white);
            border:1px solid var(--border-light);
            border-radius:var(--radius-card);
            padding:24px 28px;
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:16px;
            box-shadow:var(--shadow-card);
            margin-top:-20px;
            position:relative;
        }
        .stat-item .stat-num{
            font-family:var(--font-mono);
            font-size:28px;
            font-weight:700;
            color:var(--ink);
            line-height:1.2;
        }
        .stat-item .stat-label{
            font-size:12.5px;
            color:var(--text-weak);
            margin-top:4px;
        }

        /* Filter Bar */
        .filter-bar{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            align-items:center;
        }
        .filter-bar .filter-label{
            font-family:var(--font-heading);
            font-weight:600;
            font-size:15px;
            color:var(--ink);
            margin-right:6px;
        }
        .filter-tag{
            display:inline-flex;
            align-items:center;
            padding:7px 18px;
            background:var(--white);
            border:1px solid var(--border-warm);
            border-radius:var(--radius-tag);
            font-size:13.5px;
            color:var(--text-secondary);
            transition:all .2s ease;
            cursor:default;
            user-select:none;
        }
        .filter-tag:hover{
            border-color:var(--copper);
            color:var(--copper);
            background:var(--copper-pale);
        }

        /* Tool Cards */
        .tool-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
        }
        .tool-card{
            background:var(--white);
            border:1px solid var(--border-light);
            border-radius:var(--radius-card);
            padding:24px;
            box-shadow:var(--shadow-card);
            transition:box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            display:flex;
            flex-direction:column;
            height:100%;
        }
        .tool-card:hover{
            box-shadow:var(--shadow-card-hover);
            transform:translateY(-4px);
            border-color:var(--copper);
        }
        .tool-card .tool-icon{
            width:48px;
            height:48px;
            border-radius:12px;
            background:var(--copper-pale);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:20px;
            margin-bottom:16px;
            color:var(--copper);
        }
        .tool-card h3{
            font-size:19px;
            margin-bottom:8px;
            color:var(--ink);
        }
        .tool-card .tool-desc{
            font-size:14px;
            color:var(--text-secondary);
            line-height:1.7;
            margin-bottom:16px;
            flex:1;
        }
        .tool-tags{
            display:flex;
            flex-wrap:wrap;
            gap:8px;
            margin-bottom:18px;
        }
        .tag{
            display:inline-block;
            background:var(--copper-pale);
            color:#7A5B24;
            font-size:12px;
            font-weight:500;
            padding:4px 12px;
            border-radius:var(--radius-tag);
        }
        .tag--gray{
            background:#EEEDEA;
            color:var(--text-secondary);
        }
        .tool-card .btn{
            align-self:flex-start;
        }

        /* Steps */
        .step-list{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:24px;
            counter-reset:step;
        }
        .step-item{
            background:var(--white);
            border:1px solid var(--border-light);
            border-radius:var(--radius-card);
            padding:28px 24px;
            position:relative;
            transition:box-shadow .3s ease;
        }
        .step-item:hover{
            box-shadow:var(--shadow-card-hover);
        }
        .step-num{
            width:36px;
            height:36px;
            border-radius:50%;
            background:var(--copper);
            color:#fff;
            display:flex;
            align-items:center;
            justify-content:center;
            font-family:var(--font-mono);
            font-weight:700;
            font-size:16px;
            margin-bottom:14px;
        }
        .step-item h4{
            font-size:16px;
            margin-bottom:6px;
            color:var(--ink);
        }
        .step-item p{
            font-size:13.5px;
            margin-bottom:0;
            color:var(--text-secondary);
        }

        /* Compare Table */
        .table-responsive{
            border-radius:var(--radius-card);
            overflow:auto;
            box-shadow:var(--shadow-card);
            background:var(--white);
            border:1px solid var(--border-light);
        }
        .compare-table{
            width:100%;
            min-width:720px;
            border-collapse:collapse;
            font-size:14px;
        }
        .compare-table th,
        .compare-table td{
            padding:14px 18px;
            text-align:left;
            border-bottom:1px solid var(--border-light);
        }
        .compare-table th{
            background:var(--ink);
            color:#fff;
            font-weight:600;
            font-family:var(--font-heading);
            position:sticky;
            top:0;
            z-index:1;
        }
        .compare-table tbody tr:last-child td{
            border-bottom:none;
        }
        .compare-table tbody tr:hover{
            background:var(--copper-pale);
        }
        .compare-table .compare-feature{
            font-weight:600;
            color:var(--ink);
        }

        /* Safety Tip */
        .safety-tip{
            background:#FDF3EE;
            border-left:4px solid var(--red-up);
            border-radius:12px;
            padding:22px 26px;
            display:flex;
            gap:16px;
            align-items:flex-start;
        }
        .safety-tip .tip-icon{
            font-size:26px;
            color:var(--red-up);
            flex-shrink:0;
            line-height:1.4;
        }
        .safety-tip p{
            margin-bottom:0;
            color:#8A4A3E;
            font-size:14.5px;
            line-height:1.8;
        }
        .safety-tip strong{
            color:var(--red-up);
        }

        /* Related Articles */
        .article-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
        }
        .article-card{
            background:var(--white);
            border:1px solid var(--border-light);
            border-radius:var(--radius-card);
            overflow:hidden;
            box-shadow:var(--shadow-card);
            transition:box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            display:flex;
            flex-direction:column;
        }
        .article-card:hover{
            box-shadow:var(--shadow-card-hover);
            transform:translateY(-4px);
            border-color:var(--copper);
        }
        .article-card img{
            width:100%;
            aspect-ratio:16/9;
            object-fit:cover;
            background:#E9E1D2;
        }
        .article-card .article-body{
            padding:20px;
            flex:1;
            display:flex;
            flex-direction:column;
        }
        .article-card h3{
            font-size:16px;
            line-height:1.5;
            margin-bottom:8px;
            color:var(--ink);
        }
        .article-card h3 a:hover{
            color:var(--copper);
        }
        .article-card .article-meta{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:12.5px;
            color:var(--text-weak);
            margin-bottom:10px;
        }
        .article-card .article-summary{
            font-size:13.5px;
            color:var(--text-secondary);
            line-height:1.7;
            margin-bottom:14px;
            flex:1;
        }
        .article-card .article-link{
            font-size:13.5px;
            font-weight:600;
            color:var(--copper);
            display:inline-flex;
            align-items:center;
            gap:4px;
        }
        .article-card .article-link:hover{
            color:var(--ink);
        }

        /* CTA */
        .cta-card{
            background:var(--ink);
            color:#E8E6E1;
            border-radius:var(--radius-card);
            padding:40px 32px;
            text-align:center;
            box-shadow:var(--shadow-card-hover);
        }
        .cta-card h2{
            color:#fff;
            font-size:24px;
            margin-bottom:10px;
        }
        .cta-card p{
            color:#C9C7C2;
            font-size:15px;
            margin-bottom:24px;
        }
        .cta-card .btn{
            margin:0 6px;
        }

        /* Footer */
        .site-footer{
            background:var(--ink);
            color:#C9C7C2;
            padding:60px 0 0;
            margin-top:0;
        }
        .site-footer .container{
            padding-bottom:20px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:40px;
            padding-bottom:40px;
            border-bottom:1px solid #2E3237;
        }
        .footer-brand .brand{
            color:#fff;
            font-size:18px;
            margin-bottom:12px;
        }
        .footer-brand p{
            color:#C9C7C2;
            font-size:13.5px;
            line-height:1.7;
            max-width:300px;
        }
        .footer-col h4{
            color:#fff;
            font-size:15px;
            font-weight:600;
            margin-bottom:18px;
        }
        .footer-col ul{
            list-style:none;
            padding:0;
            margin:0;
        }
        .footer-col ul li{
            margin-bottom:10px;
        }
        .footer-col ul li a{
            color:#C9C7C2;
            font-size:13.5px;
            transition:color .2s;
        }
        .footer-col ul li a:hover{
            color:var(--copper);
        }
        .footer-bottom{
            display:flex;
            align-items:center;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:10px;
            padding:20px 0 30px;
            font-size:12.5px;
            color:var(--text-weak);
        }
        .footer-bottom p{
            color:var(--text-weak);
            font-size:12.5px;
            margin:0;
        }
        .footer-links{
            display:flex;
            align-items:center;
            gap:18px;
        }
        .footer-links a{
            color:var(--text-weak);
            font-size:12.5px;
        }
        .footer-links a:hover{
            color:var(--copper);
        }

        /* Responsive */
        @media (max-width: 1024px){
            .tool-grid,.article-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .step-list{
                grid-template-columns:repeat(2,1fr);
            }
        }
        @media (max-width: 768px){
            :root{
                --section-pad-desktop:40px;
                --section-pad-mobile:32px;
                --header-height:60px;
            }
            .nav{
                display:none;
                position:fixed;
                top:var(--header-height);
                left:0;
                right:0;
                background:var(--ink);
                flex-direction:column;
                align-items:flex-start;
                padding:16px 24px;
                gap:6px;
                border-bottom:1px solid #2E3237;
                box-shadow:0 20px 30px rgba(0,0,0,0.2);
                z-index:99;
            }
            .nav.is-open{
                display:flex;
            }
            .nav a{
                width:100%;
                padding:12px 0;
                font-size:15px;
            }
            .nav a.active::after{
                display:none;
            }
            .nav-toggle{
                display:flex;
            }
            .stat-strip{
                grid-template-columns:repeat(2,1fr);
                padding:20px;
            }
            .tool-grid,.article-grid{
                grid-template-columns:1fr;
            }
            .step-list{
                grid-template-columns:1fr;
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
                gap:32px;
            }
            .footer-brand{
                grid-column:1 / -1;
            }
            .footer-bottom{
                flex-direction:column;
                text-align:center;
            }
        }
        @media (max-width: 480px){
            .container{
                padding-left:16px;
                padding-right:16px;
            }
            .stat-strip{
                grid-template-columns:1fr 1fr;
                padding:16px;
            }
            .footer-grid{
                grid-template-columns:1fr;
            }
            .cta-card{
                padding:32px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --ink: #1B1F24;
            --copper: #C18A3F;
            --copper-light: #D9B878;
            --copper-pale: #F3E8D6;
            --cream: #F5F1E8;
            --white: #FFFFFF;
            --red-up: #D94A3D;
            --green-down: #1F8A5C;
            --text-primary: #1A1C20;
            --text-secondary: #6B6F76;
            --text-weak: #9A9EA6;
            --border-light: #E5E0D6;
            --border-warm: #D8CFC0;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 6px 24px rgba(27,31,36,0.06);
            --shadow-card-hover: 0 14px 40px rgba(27,31,36,0.12);
            --font-heading: 'Noto Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
            --font-body: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
            --font-mono: 'DIN Alternate','Roboto Mono',monospace;
            --container-max: 1200px;
            --header-height: 72px;
            --section-pad-desktop: 56px;
            --section-pad-mobile: 48px;
        }
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        body{
            font-family:var(--font-body);
            color:var(--text-primary);
            background:var(--cream);
            line-height:1.85;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
        }
        img{max-width:100%;height:auto;display:block;}
        a{color:inherit;text-decoration:none;transition:color .2s ease;}
        a:hover{color:var(--copper);}
        button{font-family:inherit;cursor:pointer;border:none;background:none;}
        input,textarea,select{font-family:inherit;font-size:1rem;}
        .container{max-width:var(--container-max);margin:0 auto;padding-left:24px;padding-right:24px;}
        .section{padding:var(--section-pad-desktop) 0;}
        .section--cream{background:var(--cream);}
        .section--white{background:var(--white);}
        .section--dark{background:var(--ink);color:#E8E6E1;}
        .section--dark h2,.section--dark h3{color:#FFFFFF;}
        .section--dark p{color:#C9C7C2;}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;color:var(--text-primary);line-height:1.35;}
        h1{font-size:34px;}
        h2{font-size:26px;margin-bottom:16px;}
        h3{font-size:18px;}
        p{font-size:15px;color:var(--text-secondary);line-height:1.9;}

        /* header */
        .site-header{position:sticky;top:0;z-index:100;background:var(--ink);height:var(--header-height);display:flex;align-items:center;border-bottom:1px solid #2E3237;box-shadow:0 2px 16px rgba(0,0,0,0.14);}
        .site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;}
        .brand{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:18px;color:#FFFFFF;letter-spacing:.5px;white-space:nowrap;}
        .brand .brand-mark{width:34px;height:34px;border-radius:8px;background:var(--copper);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:var(--ink);flex-shrink:0;}
        .brand:hover{color:#FFFFFF;opacity:.92;}
        .nav{display:flex;align-items:center;gap:6px;}
        .nav a{display:inline-block;padding:10px 14px;font-size:14px;font-weight:500;color:#C9C7C2;border-radius:var(--radius-btn);transition:background .2s,color .2s;position:relative;}
        .nav a:hover{background:rgba(255,255,255,0.06);color:#FFFFFF;}
        .nav a.active{color:#FFFFFF;background:rgba(193,138,63,0.18);}
        .nav a.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--copper);border-radius:2px;}
        .nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;z-index:110;}
        .nav-toggle span{display:block;width:24px;height:2px;background:#FFFFFF;border-radius:2px;transition:all .25s ease;}
        .nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
        .nav-toggle.is-active span:nth-child(2){opacity:0;}
        .nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

        /* category hero */
        .cat-hero{background:linear-gradient(135deg,rgba(27,31,36,0.88) 0%,rgba(27,31,36,0.72) 100%),url('/assets/images/afba84f1b1a30548.webp') center/cover no-repeat;color:#FFFFFF;padding:40px 0;position:relative;}
        .cat-hero .container{position:relative;z-index:1;}
        .cat-hero-tag{display:inline-block;background:rgba(193,138,63,0.25);color:#E8C99A;font-size:12.5px;font-weight:600;padding:5px 14px;border-radius:var(--radius-tag);margin-bottom:12px;letter-spacing:.5px;}
        .cat-hero h1{color:#FFFFFF;font-size:30px;margin-bottom:10px;}
        .cat-hero p{color:#C9C7C2;font-size:15px;max-width:640px;margin-bottom:0;}

        /* section title */
        .section-title{text-align:center;margin-bottom:40px;}
        .section-title h2{font-size:26px;margin-bottom:8px;}
        .section-title p{font-size:14.5px;color:var(--text-weak);max-width:600px;margin:0 auto;}

        /* button */
        .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;font-size:14.5px;font-weight:600;border-radius:var(--radius-btn);transition:all .25s ease;letter-spacing:.2px;line-height:1.4;text-align:center;}
        .btn--primary{background:var(--copper);color:#FFFFFF;box-shadow:0 4px 14px rgba(193,138,63,0.3);}
        .btn--primary:hover{background:#D19B4A;color:#FFFFFF;transform:translateY(-2px);box-shadow:0 8px 24px rgba(193,138,63,0.4);}
        .btn--outline{background:transparent;color:var(--ink);border:1px solid var(--border-warm);}
        .btn--outline:hover{background:var(--copper-pale);border-color:var(--copper);color:var(--ink);transform:translateY(-2px);}
        .btn--small{padding:8px 16px;font-size:13px;}
        .btn:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}

        /* risk level cards */
        .risk-level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
        .risk-level-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-card);transition:all .25s ease;position:relative;overflow:hidden;}
        .risk-level-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--copper);transform:translateY(-4px);}
        .risk-level-card .level-badge{display:inline-block;padding:4px 14px;border-radius:var(--radius-tag);font-size:12px;font-weight:700;letter-spacing:.5px;margin-bottom:16px;}
        .level-badge--low{background:#E8F5EE;color:#1F8A5C;}
        .level-badge--mid{background:#FFF4E8;color:#B8752A;}
        .level-badge--high{background:#FDEBEA;color:#D94A3D;}
        .risk-level-card h3{font-size:17px;margin-bottom:10px;}
        .risk-level-card p{font-size:13.5px;line-height:1.8;}
        .risk-level-card .level-img{width:100%;height:120px;object-fit:cover;border-radius:8px;margin-bottom:16px;}

        /* risk case list */
        .risk-case-list{display:flex;flex-direction:column;gap:18px;}
        .risk-case-item{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:22px 24px;display:flex;flex-wrap:wrap;align-items:flex-start;gap:18px;box-shadow:var(--shadow-card);transition:all .25s ease;}
        .risk-case-item:hover{box-shadow:var(--shadow-card-hover);border-color:var(--copper);}
        .risk-case-icon{width:48px;height:48px;border-radius:10px;background:var(--copper-pale);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--copper);flex-shrink:0;}
        .risk-case-body{flex:1;min-width:200px;}
        .risk-case-body h3{font-size:16px;margin-bottom:6px;}
        .risk-case-body p{font-size:13.5px;color:var(--text-secondary);margin-bottom:8px;}
        .risk-case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}
        .tag{display:inline-block;padding:3px 12px;border-radius:var(--radius-tag);font-size:12px;font-weight:500;background:var(--cream);color:var(--text-secondary);border:1px solid var(--border-light);}
        .tag--warn{background:#FDEBEA;color:#D94A3D;border-color:#F3C1BD;}
        .risk-case-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-top:4px;}

        /* timeline */
        .timeline{position:relative;padding-left:24px;}
        .timeline::before{content:'';position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:var(--border-warm);border-radius:2px;}
        .timeline-item{position:relative;padding:0 0 28px 28px;}
        .timeline-item:last-child{padding-bottom:0;}
        .timeline-item::before{content:'';position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--copper);border:2px solid var(--white);box-shadow:0 0 0 2px var(--copper-light);}
        .timeline-date{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--copper);letter-spacing:.4px;margin-bottom:4px;}
        .timeline-title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px;}
        .timeline-desc{font-size:13.5px;color:var(--text-secondary);}

        /* warning card */
        .warning-card{background:#FFF8F7;border:2px solid #D94A3D;border-radius:var(--radius-card);padding:28px 30px;position:relative;}
        .warning-card .warning-icon{width:52px;height:52px;border-radius:12px;background:#FDEBEA;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#D94A3D;margin-bottom:16px;}
        .warning-card h3{color:#D94A3D;font-size:18px;margin-bottom:12px;}
        .warning-list{list-style:none;padding:0;margin:0 0 0 0;}
        .warning-list li{font-size:14px;color:var(--text-primary);padding:8px 0 8px 28px;position:relative;line-height:1.8;}
        .warning-list li::before{content:'!';position:absolute;left:0;top:8px;width:18px;height:18px;border-radius:50%;background:#D94A3D;color:#FFFFFF;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;}

        /* steps */
        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
        .step-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:24px 20px;text-align:center;box-shadow:var(--shadow-card);transition:all .25s ease;}
        .step-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--copper);transform:translateY(-4px);}
        .step-num{width:40px;height:40px;border-radius:50%;background:var(--copper);color:#FFFFFF;font-family:var(--font-mono);font-size:16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;}
        .step-card h3{font-size:15px;margin-bottom:6px;}
        .step-card p{font-size:13px;line-height:1.7;color:var(--text-secondary);}

        /* risk quiz */
        .quiz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
        .quiz-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-card);transition:all .25s ease;}
        .quiz-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--copper);}
        .quiz-card h3{font-size:15.5px;margin-bottom:8px;}
        .quiz-card p{font-size:13.5px;color:var(--text-secondary);}

        /* article cards */
        .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
        .article-card{background:var(--white);border:1px solid var(--border-light);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:all .25s ease;display:flex;flex-direction:column;}
        .article-card:hover{box-shadow:var(--shadow-card-hover);border-color:var(--copper);transform:translateY(-4px);color:inherit;}
        .article-card img{width:100%;height:160px;object-fit:cover;}
        .article-card .article-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;}
        .article-card .article-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-weak);margin-bottom:8px;}
        .article-card .article-meta .tag{font-size:11px;padding:2px 10px;}
        .article-card h3{font-size:15px;margin-bottom:8px;line-height:1.5;}
        .article-card p{font-size:13px;color:var(--text-secondary);line-height:1.7;flex:1;}
        .article-card .article-link-more{font-size:13px;font-weight:600;color:var(--copper);margin-top:10px;display:inline-flex;align-items:center;gap:4px;}
        .empty-state{text-align:center;padding:40px 20px;font-size:14px;color:var(--text-weak);background:var(--white);border:1px dashed var(--border-warm);border-radius:var(--radius-card);}

        /* CTA */
        .cta-box{background:var(--ink);border-radius:var(--radius-card);padding:40px 36px;text-align:center;position:relative;overflow:hidden;}
        .cta-box::before{content:'';position:absolute;top:-80px;right:-80px;width:260px;height:260px;background:radial-gradient(circle,rgba(193,138,63,0.15) 0%,transparent 70%);border-radius:50%;pointer-events:none;}
        .cta-box h2{color:#FFFFFF;font-size:24px;margin-bottom:10px;position:relative;z-index:1;}
        .cta-box p{color:#C9C7C2;font-size:14.5px;max-width:520px;margin:0 auto 24px;position:relative;z-index:1;}
        .cta-box .btn{position:relative;z-index:1;}

        /* footer */
        .site-footer{background:var(--ink);color:#C9C7C2;padding:56px 0 28px;margin-top:0;}
        .site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px;}
        .site-footer .footer-brand p{font-size:13.5px;color:#9A9EA6;margin-top:10px;max-width:300px;}
        .site-footer .footer-col h4{color:#FFFFFF;font-size:14.5px;font-weight:600;margin-bottom:12px;letter-spacing:.3px;}
        .site-footer .footer-col ul{list-style:none;padding:0;margin:0;}
        .site-footer .footer-col ul li{margin-bottom:8px;}
        .site-footer .footer-col ul li a{font-size:13px;color:#9A9EA6;transition:color .2s;}
        .site-footer .footer-col ul li a:hover{color:var(--copper-light);}
        .site-footer .footer-bottom{border-top:1px solid #2E3237;padding-top:20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;}
        .site-footer .footer-bottom p{font-size:12.5px;color:#9A9EA6;margin:0;}
        .site-footer .footer-links{display:flex;gap:18px;}
        .site-footer .footer-links a{font-size:12.5px;color:#9A9EA6;}
        .site-footer .footer-links a:hover{color:var(--copper-light);}

        /* responsive */
        @media (max-width: 1024px){
            .risk-level-grid{grid-template-columns:1fr;}
            .steps-grid{grid-template-columns:repeat(2,1fr);}
            .quiz-grid{grid-template-columns:1fr;}
            .article-grid{grid-template-columns:1fr;}
            .site-footer .footer-grid{grid-template-columns:1fr 1fr;}
        }
        @media (max-width: 768px){
            .site-header{height:auto;padding:12px 0;}
            .site-header .container{flex-wrap:wrap;}
            .nav-toggle{display:flex;}
            .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--ink);flex-direction:column;align-items:stretch;padding:12px 24px 20px;gap:4px;box-shadow:0 16px 32px rgba(0,0,0,0.25);border-bottom:1px solid #2E3237;}
            .nav.is-open{display:flex;}
            .nav a{display:block;padding:12px 16px;font-size:15px;}
            .nav a.active::after{display:none;}
            .cat-hero h1{font-size:24px;}
            .section{padding:var(--section-pad-mobile) 0;}
            .steps-grid{grid-template-columns:1fr;}
            .risk-case-item{flex-direction:column;align-items:flex-start;}
            .risk-case-actions{margin-top:8px;}
            .site-footer .footer-grid{grid-template-columns:1fr;gap:24px;}
            .site-footer .footer-bottom{flex-direction:column;text-align:center;}
        }
        @media (max-width: 480px){
            h1{font-size:22px;}
            h2{font-size:20px;}
            .cat-hero{padding:28px 0;}
            .btn{width:100%;justify-content:center;}
            .timeline-item{padding-left:20px;}
        }