/* roulang page: index */
:root {
    --primary: #1D6BF2;
    --primary-dark: #0B2A5C;
    --primary-light: #EAF1FE;
    --accent: #F0A63C;
    --success: #12A150;
    --bg-light: #F6F8FB;
    --bg-white: #FFFFFF;
    --text-title: #0B1E3A;
    --text-body: #2D3A4F;
    --text-muted: #5B6B82;
    --text-placeholder: #94A3B8;
    --border: #E2E8F0;
    --border-hover: rgba(29,107,242,.4);
    --radius-lg: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 24px rgba(11,42,92,.06);
    --shadow-hover: 0 16px 40px rgba(11,42,92,.10);
    --shadow-btn: 0 6px 16px rgba(29,107,242,.20);
    --font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    --container: 1200px;
    --space-section: 100px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);font-size:16px;line-height:1.75;color:var(--text-body);background:var(--bg-white);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none;background:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.section-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:6px 18px;border-radius:var(--radius-pill);letter-spacing:1px}
.section-title{font-size:32px;font-weight:700;color:var(--text-title);line-height:1.3;margin-top:16px}
.section-subtitle{font-size:16px;color:var(--text-muted);margin-top:16px;line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 32px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:all .25s ease;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#1558d0;box-shadow:var(--shadow-btn);transform:translateY(-2px)}
.btn-outline{background:var(--bg-white);border:1px solid #D7DFEA;color:var(--primary)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}
:focus-visible{outline:3px solid rgba(29,107,242,.25);outline-offset:2px}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:80px;display:flex;align-items:center;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.6);transition:background .3s,box-shadow .3s}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text-title);letter-spacing:-.5px}
.logo-icon{width:36px;height:36px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:17px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links .divider{width:1px;height:20px;background:var(--border);margin:0 6px}
.nav-link{display:inline-flex;align-items:center;padding:8px 16px;font-size:15px;font-weight:500;color:var(--text-body);border-radius:var(--radius-pill);transition:all .25s ease}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.nav-cta{margin-left:14px}
.nav-cta .btn{height:42px;padding:0 24px;font-size:14px}
.mobile-toggle{display:none;width:42px;height:42px;border-radius:8px;align-items:center;justify-content:center;cursor:pointer;flex-direction:column;gap:5px}
.mobile-toggle span{display:block;width:22px;height:2px;background:var(--text-title);border-radius:2px;transition:all .3s ease}
.mobile-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-toggle.active span:nth-child(2){opacity:0}
.mobile-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:80px;left:0;right:0;background:var(--bg-white);border-bottom:1px solid var(--border);box-shadow:0 16px 40px rgba(11,42,92,.08);padding:20px 24px 28px;z-index:99;flex-direction:column;gap:6px}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{padding:14px 16px;border-radius:var(--radius-sm);font-size:16px}
.mobile-menu .mobile-cta{margin-top:12px}
.mobile-menu .mobile-cta .btn{width:100%}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 80px;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(246,248,253,.94),rgba(246,248,253,.98))}
.hero .container{position:relative;z-index:2;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);border:1px solid rgba(29,107,242,.15);padding:8px 20px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;color:var(--primary);margin-bottom:32px;letter-spacing:1px}
.hero-badge .dot{width:6px;height:6px;background:var(--success);border-radius:50%}
.hero-title{font-size:48px;font-weight:700;color:var(--text-title);line-height:1.2;letter-spacing:-.5px;max-width:860px;margin:0 auto}
.hero-title .accent{color:var(--primary)}
.hero-subtitle{font-size:18px;color:var(--text-muted);line-height:1.7;max-width:640px;margin:24px auto 40px}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;justify-content:center;gap:60px;margin-top:80px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:36px;font-weight:700;color:var(--primary-dark);line-height:1.2}
.hero-stat .label{font-size:13px;color:var(--text-muted);margin-top:4px}
.scroll-indicator{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-placeholder)}
.scroll-indicator .line{width:1px;height:36px;background:var(--border)}
.scroll-indicator svg{width:18px;height:18px}
.scroll-indicator .txt{font-size:12px;letter-spacing:2px}

/* Features */
.features{background:var(--bg-white)}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:60px 0}
.feature-row + .feature-row{border-top:1px solid var(--border)}
.feature-row.reverse .feature-image{order:2}
.feature-row.reverse .feature-text{order:1}
.feature-num{font-size:14px;font-weight:700;color:var(--primary);letter-spacing:2px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.feature-num::before{content:'';width:24px;height:2px;background:var(--primary)}
.feature-title{font-size:26px;font-weight:700;color:var(--text-title);line-height:1.3;margin-bottom:16px}
.feature-desc{font-size:16px;color:var(--text-muted);line-height:1.8;margin-bottom:24px}
.feature-points{display:flex;flex-direction:column;gap:8px}
.feature-point{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-body)}
.feature-point svg{width:16px;height:16px;flex-shrink:0;margin-top:4px}
.feature-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);background:var(--bg-light)}
.feature-image img{width:100%;height:auto;object-fit:cover;transition:transform .4s ease}
.feature-image:hover img{transform:scale(1.02)}
.feature-image::after{content:'';position:absolute;inset:0;border:1px solid rgba(29,107,242,.08);border-radius:var(--radius-lg);pointer-events:none}

/* Demo */
.demo-section{background:var(--bg-light)}
.demo-main{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);margin-bottom:60px;background:var(--bg-white)}
.demo-main img{width:100%;height:auto}
.demo-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.demo-step{text-align:center;padding:32px 24px;background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);transition:all .3s ease}
.demo-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(29,107,242,.2)}
.demo-step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--primary-light);color:var(--primary);font-size:18px;font-weight:700;margin-bottom:20px}
.demo-step-title{font-size:18px;font-weight:600;color:var(--text-title);margin-bottom:8px}
.demo-step-desc{font-size:14px;color:var(--text-muted);line-height:1.6}

/* Proof */
.proof{background:var(--bg-white)}
.proof-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}
.proof-stats{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.proof-stat{padding:32px;border-left:3px solid var(--primary);background:var(--bg-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;transition:background .3s}
.proof-stat:hover{background:var(--primary-light)}
.proof-stat .num{font-size:42px;font-weight:700;color:var(--primary);line-height:1.2}
.proof-stat .label{font-size:14px;color:var(--text-muted);margin-top:8px;line-height:1.5}
.proof-quotes{display:flex;flex-direction:column;gap:32px}
.quote-item{position:relative;padding:32px 32px 32px 56px;background:var(--bg-light);border-radius:var(--radius-lg);border:1px solid var(--border)}
.quote-item::before{content:'“';position:absolute;left:20px;top:16px;font-size:48px;color:var(--primary);font-family:Georgia,serif;line-height:1}
.quote-text{font-size:15px;line-height:1.7;color:var(--text-body);font-style:italic}
.quote-author{font-size:13px;font-weight:600;color:var(--text-title);margin-top:16px}

/* Pricing */
.pricing{background:var(--bg-light)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{position:relative;background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);padding:36px 32px;transition:all .3s ease;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.price-card.recommended{border:1px solid var(--primary);box-shadow:var(--shadow-card);transform:scale(1.02)}
.price-card.recommended:hover{box-shadow:var(--shadow-hover)}
.recommend-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:5px 20px;border-radius:var(--radius-pill);letter-spacing:1px;white-space:nowrap}
.price-name{font-size:18px;font-weight:700;color:var(--text-title)}
.price-desc{font-size:13px;color:var(--text-muted);margin-top:6px}
.price-amount{display:flex;align-items:baseline;gap:4px;margin:28px 0;padding-bottom:28px;border-bottom:1px solid var(--border)}
.price-amount .symbol{font-size:18px;font-weight:600;color:var(--text-body)}
.price-amount .num{font-size:44px;font-weight:700;color:var(--text-title);line-height:1}
.price-amount .unit{font-size:14px;color:var(--text-muted)}
.price-features{display:flex;flex-direction:column;gap:12px;margin-bottom:32px;flex-grow:1}
.price-feature{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-body)}
.price-feature svg{width:16px;height:16px;flex-shrink:0;margin-top:3px}
.price-card .btn{width:100%}
.price-card.recommended .btn{background:var(--primary);color:#fff}
.price-card.recommended .btn:hover{background:#1558d0;box-shadow:var(--shadow-btn)}

/* News */
.news{background:var(--bg-white)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{position:relative;display:flex;flex-direction:column;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:all .3s ease;min-height:280px}
.news-card::after{content:'';position:absolute;bottom:0;left:28px;right:28px;height:2px;background:var(--primary);transform:scaleX(0);transition:transform .3s ease;transform-origin:left}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(29,107,242,.2)}
.news-card:hover::after{transform:scaleX(1)}
.news-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.news-card__tag{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:4px 14px;border-radius:var(--radius-pill)}
.news-card__date{font-size:13px;color:var(--text-placeholder)}
.news-card__title{font-size:18px;font-weight:600;color:var(--text-title);line-height:1.5;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__title:hover{color:var(--primary)}
.news-card__summary{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:20px;flex-grow:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:16px}
.news-card__read{font-size:14px;font-weight:600;color:var(--primary)}
.news-card__arrow{width:28px;height:28px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:14px;transition:transform .3s}
.news-card:hover .news-card__arrow{transform:translateX(4px)}
.news-empty{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:60px 24px;text-align:center;color:var(--text-placeholder);font-size:15px}

/* FAQ */
.faq{background:var(--bg-light)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:last-child{border-bottom:none}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:28px 0;font-size:17px;font-weight:600;color:var(--text-title);cursor:pointer;text-align:left;transition:color .25s}
.faq-question:hover{color:var(--primary)}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0;margin-left:20px}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--text-placeholder);border-radius:2px;transition:all .3s ease}
.faq-icon::before{width:14px;height:2px;top:9px;left:3px}
.faq-icon::after{width:2px;height:14px;top:3px;left:9px}
.faq-item.active .faq-icon::before{transform:rotate(180deg)}
.faq-item.active .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.active .faq-icon::before{background:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 0 28px;font-size:15px;color:var(--text-muted);line-height:1.8;max-width:680px}

/* CTA */
.cta-section{background:var(--primary-dark);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-200px;right:-200px;width:500px;height:500px;background:rgba(29,107,242,.15);border-radius:50%}
.cta-section::after{content:'';position:absolute;bottom:-100px;left:-100px;width:300px;height:300px;background:rgba(29,107,242,.1);border-radius:50%}
.cta-box{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.cta-head .section-title{color:#fff}
.cta-head .section-subtitle{color:rgba(255,255,255,.7)}
.cta-contact{display:flex;flex-direction:column;gap:20px;margin-top:36px}
.cta-contact-item{display:flex;align-items:center;gap:14px;color:rgba(255,255,255,.8)}
.cta-contact-item svg{width:20px;height:20px;color:var(--accent)}
.cta-form{background:var(--bg-white);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-hover)}
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--text-body);margin-bottom:8px}
.form-input{width:100%;height:46px;border:1px solid #CBD5E1;border-radius:8px;padding:0 16px;font-size:14px;color:var(--text-title);background:#fff;transition:border-color .25s,box-shadow .25s}
.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,107,242,.15)}
textarea.form-input{height:auto;min-height:96px;padding:14px 16px;resize:vertical}
.form-btn{width:100%;height:48px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-weight:600;font-size:15px;cursor:pointer;transition:all .25s}
.form-btn:hover{background:#1558d0;box-shadow:var(--shadow-btn)}
.form-privacy{font-size:12px;color:var(--text-placeholder);text-align:center;margin-top:14px;line-height:1.5}

/* Footer */
.site-footer{background:var(--bg-white);border-top:1px solid var(--border);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;color:var(--text-muted);margin-top:16px;line-height:1.7;max-width:300px}
.footer-title{font-size:15px;font-weight:700;color:var(--text-title);margin-bottom:20px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color .25s}
.footer-links a:hover{color:var(--primary)}
.footer-contact-list{display:flex;flex-direction:column;gap:12px}
.footer-contact-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-muted)}
.footer-contact-item svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding:24px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:var(--text-placeholder)}
.footer-bottom .footer-icp{font-size:13px;color:var(--text-placeholder)}

/* Float CTA */
.float-cta{position:fixed;bottom:32px;right:32px;z-index:200;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .4s ease}
.float-cta.visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta-btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 28px;background:var(--primary);color:#fff;border-radius:var(--radius-pill);font-size:15px;font-weight:600;box-shadow:var(--shadow-btn);transition:all .3s ease}
.float-cta-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(29,107,242,.30)}

/* Responsive */
@media(max-width:1200px){
    .container{padding:0 20px}
    .hero-title{font-size:42px}
    .feature-row{gap:48px}
    .proof-grid{gap:48px}
}
@media(max-width:992px){
    .section{padding:72px 0}
    .feature-row{grid-template-columns:1fr;gap:40px;padding:48px 0}
    .feature-row.reverse .feature-image{order:0}
    .feature-row.reverse .feature-text{order:1}
    .proof-grid{grid-template-columns:1fr;gap:48px}
    .pricing-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;gap:32px}
    .price-card.recommended{transform:none}
    .news-grid{grid-template-columns:1fr 1fr}
    .cta-box{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .nav-links,.nav-cta{display:none}
    .mobile-toggle{display:flex}
    .hero{min-height:auto;padding:140px 0 100px}
    .hero-title{font-size:32px}
    .hero-subtitle{font-size:16px}
    .hero-cta{flex-direction:column;align-items:center}
    .hero-cta .btn{width:100%;max-width:320px}
    .hero-stats{flex-direction:column;gap:28px;margin-top:56px}
    .demo-steps{grid-template-columns:1fr}
    .section-title{font-size:26px}
    .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:12px 20px;background:var(--bg-white);border-top:1px solid var(--border)}
    .float-cta-btn{width:100%;justify-content:center}
    .news-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;text-align:center}
    .cta-form{padding:28px}
}
@media(max-width:576px){
    .section{padding:56px 0}
    .hero-title{font-size:28px}
    .hero-subtitle{font-size:15px}
    .proof-stats{grid-template-columns:1fr;gap:24px}
    .feature-points{font-size:13px}
    .price-card{padding:28px 24px}
    .form-btn{font-size:14px}
}

/* roulang page: category1 */
:root {
            --primary: #1D6BF2;
            --primary-dark: #0B2A5C;
            --primary-light: #EAF1FE;
            --bg-soft: #F6F8FB;
            --bg-blue: #F2F6FD;
            --white: #FFFFFF;
            --text-main: #0B1E3A;
            --text-body: #2D3A4F;
            --text-sub: #5B6B82;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
            --border-hover: rgba(29, 107, 242, 0.4);
            --warning: #F0A63C;
            --success: #12A150;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-default: 0 8px 24px rgba(11, 42, 92, 0.06);
            --shadow-hover: 0 16px 40px rgba(11, 42, 92, 0.10);
            --shadow-btn: 0 6px 16px rgba(29, 107, 242, 0.20);
            --transition: all 0.25s ease;
            --container: 1200px;
            --space-section: 100px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 2px 8px rgba(29, 107, 242, 0.18);
        }
        .btn-primary:hover {
            background: #1555cc;
            color: var(--white);
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: var(--white);
            border-color: #D7DFEA;
            color: var(--primary);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(29, 107, 242, 0.25);
            outline-offset: 2px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.3px;
            margin-top: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.7;
            margin-top: 12px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 76px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            transition: var(--transition);
        }
        .header-wrap {
            height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-main);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--white);
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(29, 107, 242, 0.25);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-divider {
            width: 1px;
            height: 20px;
            background: var(--border);
            margin: 0 6px;
            flex-shrink: 0;
        }
        .nav-cta {
            height: 40px;
            padding: 0 20px;
            margin-left: 8px;
            font-size: 14px;
            border-radius: var(--radius-pill);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 0;
            background: transparent;
            cursor: pointer;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            align-items: center;
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 16px 32px rgba(11, 42, 92, 0.08);
            padding: 16px 20px 24px;
            z-index: 999;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav .nav-link {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
        }
        .mobile-nav .btn {
            margin-top: 12px;
            width: 100%;
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            padding: 160px 0 80px;
            background: linear-gradient(180deg, rgba(246, 248, 253, 0.94), rgba(246, 248, 253, 0.98)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            position: relative;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 32px;
        }
        .breadcrumb a {
            color: var(--text-sub);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }
        .page-hero h1 {
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 24px;
            max-width: 720px;
        }
        .page-hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-sub);
            max-width: 640px;
            margin-bottom: 32px;
        }
        .page-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .scroll-tip {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            margin-top: 56px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .scroll-tip svg {
            animation: scrollBounce 2s ease infinite;
        }
        @keyframes scrollBounce {
            0%,
            100% {
                transform: translateY(0);
                opacity: 0.6;
            }
            50% {
                transform: translateY(8px);
                opacity: 1;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 130px 0 56px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero-desc {
                font-size: 15px;
            }
        }

        /* ===== Feature Alternating Section ===== */
        .feature-section {
            padding: var(--space-section) 0;
            background: var(--white);
        }
        .feature-section.alt {
            background: var(--bg-soft);
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 72px;
            align-items: center;
            padding: 48px 0;
        }
        .feature-row+.feature-row {
            border-top: 1px solid var(--border);
        }
        .feature-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            transition: var(--transition);
            position: relative;
        }
        .feature-visual:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .feature-content .step-number {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .feature-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .feature-content p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-points {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }
        .feature-points li svg {
            flex-shrink: 0;
            color: var(--success);
            margin-top: 3px;
        }
        @media (max-width: 992px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 32px 0;
            }
            .feature-visual img {
                height: 240px;
            }
        }
        @media (max-width: 768px) {
            .feature-section {
                padding: 56px 0;
            }
            .feature-row {
                padding: 24px 0;
            }
            .feature-content h3 {
                font-size: 20px;
            }
        }

        /* ===== Metrics Band ===== */
        .metrics-section {
            padding: 80px 0;
            background: var(--primary-dark);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        .metrics-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(29, 107, 242, 0.15);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }
        .metric-item {
            text-align: center;
            padding: 24px 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }
        .metric-item:last-child {
            border-right: none;
        }
        .metric-num {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--white);
        }
        .metric-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
        }
        @media (max-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 20px 8px;
            }
            .metric-item:nth-child(3),
            .metric-item:last-child {
                border-bottom: none;
            }
        }
        @media (max-width: 576px) {
            .metric-num {
                font-size: 32px;
            }
            .metrics-section {
                padding: 48px 0;
            }
        }

        /* ===== Process Timeline ===== */
        .process-section {
            padding: var(--space-section) 0;
            background: var(--white);
        }
        .process-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .process-header .section-title {
            margin-left: auto;
            margin-right: auto;
        }
        .process-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process;
        }
        .process-item {
            position: relative;
            padding: 32px 24px;
            background: var(--bg-soft);
            border-radius: var(--radius-lg);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .process-item:hover {
            border-color: var(--primary);
            background: var(--white);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .process-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            margin-bottom: 20px;
        }
        .process-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }
        @media (max-width: 992px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--bg-soft);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .faq-list {
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 24px 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            width: 100%;
            text-align: left;
            padding: 4px 0;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--text-muted);
            border-radius: 2px;
            transition: var(--transition);
        }
        .faq-icon::before {
            width: 16px;
            height: 2px;
            top: 9px;
            left: 2px;
        }
        .faq-icon::after {
            width: 2px;
            height: 16px;
            top: 2px;
            left: 9px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .faq-item.open .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-answer {
            display: none;
            padding-top: 12px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-sub);
            max-width: 92%;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon::before {
            background: var(--primary);
        }
        @media (max-width: 768px) {
            .faq-section {
                padding: 56px 0;
            }
            .faq-question {
                font-size: 15px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0E3FA0 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .cta-section .btn-primary {
            background: var(--white);
            color: var(--primary-dark);
        }
        .cta-section .btn-primary:hover {
            background: var(--bg-blue);
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }
        .cta-section .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--white);
        }
        .cta-section .btn-outline:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-inner p {
                font-size: 15px;
            }
        }

        /* ===== Floating CTA ===== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 900;
            opacity: 0;
            visibility: hidden;
            transform: translateY(16px);
            transition: var(--transition);
        }
        .float-cta.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .float-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 24px;
            background: var(--primary);
            color: var(--white);
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(29, 107, 242, 0.3);
            transition: var(--transition);
        }
        .float-cta-btn:hover {
            background: #1555cc;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(29, 107, 242, 0.35);
        }
        @media (max-width: 768px) {
            .float-cta {
                left: 0;
                right: 0;
                bottom: 0;
                border-radius: 0;
                transform: translateY(100%);
                background: var(--white);
                padding: 8px 16px;
                border-top: 1px solid var(--border);
                box-shadow: 0 -4px 20px rgba(11, 42, 92, 0.08);
            }
            .float-cta.show {
                transform: translateY(0);
            }
            .float-cta-btn {
                width: 100%;
                justify-content: center;
                height: 44px;
                border-radius: var(--radius-md);
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--white);
            border-top: 1px solid var(--border);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-sub);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
        }
        .footer-contact-item svg {
            width: 18px;
            height: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 576px) {
            .site-footer {
                padding: 48px 0 80px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(29, 107, 242, 0.25);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            :root {
                --space-section: 80px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }
        }

/* roulang page: article */
:root{
  --primary:#1D6BF2;
  --primary-light:#EAF1FE;
  --primary-hover:#1758CC;
  --deep:#0B2A5C;
  --title:#0B1E3A;
  --text:#2D3A4F;
  --muted:#5B6B82;
  --faint:#94A3B8;
  --border:#E2E8F0;
  --bg-light:#F2F6FD;
  --bg-grey:#F6F8FB;
  --white:#FFFFFF;
  --amber:#F0A63C;
  --green:#12A150;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --shadow-card:0 8px 24px rgba(11,42,92,.06);
  --shadow-hover:0 16px 40px rgba(11,42,92,.10);
  --shadow-btn:0 6px 16px rgba(29,107,242,.20);
  --transition:all .25s ease;
  --font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-hover)}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff;box-shadow:var(--shadow-btn);transform:translateY(-1px)}
.btn-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(226,232,240,.8);
  transition:var(--transition);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:20px;
  font-weight:700;
  color:var(--title);
}
.logo:hover{color:var(--title)}
.logo-icon{
  width:40px;height:40px;
  background:var(--primary);
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:20px;
  font-weight:700;
  text-transform:uppercase;
  box-shadow:0 4px 12px rgba(29,107,242,.25);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links .nav-link{
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  border-radius:999px;
  transition:var(--transition);
}
.nav-links .nav-link:hover{color:var(--primary);background:var(--bg-light)}
.nav-links .nav-link.active{
  background:var(--primary-light);
  color:var(--primary);
  font-weight:600;
}
.nav-links .divider{
  width:1px;height:20px;
  background:var(--border);
  margin:0 4px;
  flex-shrink:0;
}
.nav-cta{
  margin-left:10px;
  height:42px;
  padding:0 20px;
  border-radius:999px;
  font-size:14px;
}
.nav-toggle{
  display:none;
  background:none;
  border:none;
  cursor:pointer;
  padding:8px;
  flex-direction:column;
  gap:5px;
  z-index:102;
}
.nav-toggle span{
  display:block;
  width:22px;height:2px;
  background:var(--title);
  border-radius:2px;
  transition:var(--transition);
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;
  position:fixed;
  top:76px;left:0;right:0;
  background:#fff;
  padding:20px 24px 28px;
  border-bottom:1px solid var(--border);
  box-shadow:0 20px 40px rgba(11,42,92,.08);
  z-index:99;
}
.mobile-menu.open{display:block}
.mobile-menu .nav-link{
  display:block;
  padding:14px 8px;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid var(--bg-light);
}
.mobile-menu .nav-link.active{color:var(--primary);font-weight:600}
.mobile-menu .nav-cta{
  display:flex;
  justify-content:center;
  margin-top:20px;
  width:100%;
  height:48px;
}
.page-hero{
  padding:132px 0 76px;
  text-align:center;
  background-color:var(--bg-light);
  background-image:linear-gradient(180deg,rgba(242,246,253,.92),rgba(255,255,255,.98)),url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover;
  background-position:center,center;
  border-bottom:1px solid rgba(226,232,240,.6);
}
.breadcrumb{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:24px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--faint)}
.page-title{
  font-size:40px;
  font-weight:700;
  line-height:1.25;
  color:var(--title);
  max-width:860px;
  margin:0 auto;
  letter-spacing:-.5px;
}
.article-meta{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:28px;
  margin-top:28px;
  flex-wrap:wrap;
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--muted);
  font-size:14px;
}
.meta-item svg{width:16px;height:16px;color:var(--faint)}
.article-section{padding:64px 0 56px}
.article-container{max-width:780px}
.article-content{
  font-size:16px;
  line-height:1.9;
  color:var(--text);
}
.article-content p{margin:18px 0}
.article-content h2{
  font-size:26px;
  font-weight:700;
  color:var(--title);
  margin:40px 0 16px;
  line-height:1.35;
}
.article-content h3{
  font-size:20px;
  font-weight:600;
  color:var(--title);
  margin:32px 0 12px;
  line-height:1.4;
}
.article-content ul,.article-content ol{margin:18px 0;padding-left:26px}
.article-content li{margin:8px 0}
.article-content blockquote{
  border-left:4px solid var(--primary);
  background:var(--bg-light);
  padding:16px 24px;
  margin:24px 0;
  border-radius:0 10px 10px 0;
  color:var(--title);
  font-style:normal;
}
.article-content blockquote p{margin:0}
.article-content img{
  width:100%;
  border-radius:var(--radius-lg);
  margin:28px 0;
  box-shadow:var(--shadow-card);
}
.article-content a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-empty{
  text-align:center;
  padding:80px 24px;
  background:var(--bg-light);
  border-radius:var(--radius-lg);
  border:1px dashed var(--border);
}
.article-empty h2{font-size:22px;color:var(--title);margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:28px}
.article-footer-links{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:32px;
  margin-top:48px;
  border-top:1px solid var(--border);
  flex-wrap:wrap;
  gap:16px;
}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:10px 18px;
  border-radius:999px;
  background:var(--bg-grey);
  transition:var(--transition);
}
.back-link:hover{
  color:var(--primary);
  background:var(--primary-light);
}
.back-link svg{width:16px;height:16px}
.related-section{
  padding:80px 0;
  background:var(--bg-grey);
  border-top:1px solid var(--border);
}
.section-head{
  text-align:center;
  margin-bottom:48px;
}
.section-title{
  font-size:30px;
  font-weight:700;
  color:var(--title);
  letter-spacing:-.5px;
}
.section-subtitle{
  font-size:16px;
  color:var(--muted);
  margin-top:12px;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:block;
  background:var(--white);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.related-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
}
.related-card-media{
  position:relative;
  overflow:hidden;
  height:180px;
}
.related-card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.related-card:hover .related-card-media img{transform:scale(1.05)}
.card-tag{
  position:absolute;
  top:12px;left:12px;
  background:rgba(255,255,255,.95);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  padding:5px 14px;
  border-radius:999px;
  backdrop-filter:blur(4px);
  box-shadow:0 2px 8px rgba(11,42,92,.08);
}
.related-card-body{padding:22px 24px 24px}
.related-card-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  color:var(--title);
  margin-bottom:10px;
  transition:var(--transition);
}
.related-card:hover .related-card-body h3{color:var(--primary)}
.related-card-body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:18px;
  font-size:13px;
  color:var(--faint);
}
.card-arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--bg-light);
  color:var(--primary);
  font-size:14px;
  transition:var(--transition);
}
.related-card:hover .card-arrow{
  background:var(--primary);
  color:#fff;
}
.cta-section{
  background-color:var(--deep);
  background-image:linear-gradient(135deg,rgba(11,42,92,.92),rgba(29,107,242,.85)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  padding:74px 0;
  text-align:center;
}
.cta-section h2{
  color:#fff;
  font-size:30px;
  font-weight:700;
  margin-bottom:14px;
  line-height:1.3;
}
.cta-section p{
  color:rgba(255,255,255,.85);
  font-size:16px;
  max-width:560px;
  margin:0 auto 36px;
}
.cta-buttons{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.cta-buttons .btn-primary{
  background:#fff;
  color:var(--primary);
}
.cta-buttons .btn-primary:hover{
  background:var(--bg-light);
  color:var(--primary-hover);
  box-shadow:0 6px 20px rgba(0,0,0,.15);
}
.cta-buttons .btn-light{
  border-color:rgba(255,255,255,.5);
}
.cta-buttons .btn-light:hover{
  border-color:#fff;
}
.site-footer{
  background:var(--white);
  border-top:1px solid var(--border);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  margin-bottom:48px;
}
.footer-brand .logo{
  margin-bottom:18px;
}
.footer-brand p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  max-width:280px;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--title);
  margin-bottom:18px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  font-size:14px;
  color:var(--muted);
}
.footer-links a:hover{color:var(--primary)}
.footer-contact-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.footer-contact-item{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--muted);
}
.footer-contact-item svg{
  width:16px;height:16px;
  color:var(--primary);
  flex-shrink:0;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:28px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--faint);
  flex-wrap:wrap;
  gap:8px;
}
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:flex;
  align-items:center;
  background:var(--primary);
  border-radius:999px;
  box-shadow:0 8px 24px rgba(29,107,242,.3);
  opacity:0;
  pointer-events:none;
  transform:translateY(16px);
  transition:all .35s ease;
}
.float-cta.show{
  opacity:1;
  pointer-events:auto;
  transform:none;
}
.float-cta-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:0 24px;
  height:48px;
  color:#fff;
  font-size:15px;
  font-weight:600;
}
.float-cta-link svg{
  width:17px;height:17px;
}
.float-cta-close{
  width:40px;
  height:48px;
  background:transparent;
  border:none;
  color:rgba(255,255,255,.75);
  cursor:pointer;
  padding:0 14px 0 0;
  display:flex;
  align-items:center;
  justify-content:flex-end;
}
.float-cta-close svg{
  width:15px;height:15px;
}
@media(max-width:1200px){
  .container{padding:0 20px}
  .footer-grid{gap:32px}
}
@media(max-width:992px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta{
    margin-left:0;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }
  .related-grid{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  .page-title{font-size:32px}
  .section-title{font-size:26px}
  .cta-section h2{font-size:26px}
}
@media(max-width:768px){
  .page-hero{padding:108px 0 56px}
  .page-title{font-size:27px}
  .article-meta{gap:16px}
  .article-section{padding:44px 0 40px}
  .article-content{font-size:15px}
  .article-content h2{font-size:22px}
  .article-content h3{font-size:18px}
  .related-section{padding:56px 0}
  .related-card-body{padding:18px 18px 20px}
  .cta-section{padding:56px 0}
  .site-footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .float-cta{
    left:16px;
    right:16px;
    bottom:12px;
    border-radius:14px;
  }
  .float-cta-link{
    flex:1;
    justify-content:center;
    height:52px;
    padding:0 16px;
  }
  .float-cta-close{
    width:48px;
    height:52px;
    padding:0 14px 0 0;
  }
  .mobile-menu{
    top:68px;
    padding:16px 20px 24px;
  }
  .header-inner{height:68px}
}
@media(max-width:576px){
  .container{padding:0 16px}
  .related-grid{grid-template-columns:1fr}
  .related-card-media{height:200px}
  .article-meta{flex-direction:column;gap:8px}
  .cta-buttons{flex-direction:column;align-items:stretch;padding:0 20px}
  .cta-buttons .btn{width:100%}
}

/* roulang page: category2 */
:root {
  --primary: #1D6BF2;
  --primary-hover: #1756D0;
  --primary-soft: #EAF1FE;
  --secondary: #0B2A5C;
  --bg-light: #F6F8FB;
  --bg-soft: #F2F6FD;
  --card-bg: #FFFFFF;
  --text-title: #0B1E3A;
  --text-body: #2D3A4F;
  --text-muted: #5B6B82;
  --text-placeholder: #94A3B8;
  --border: #E2E8F0;
  --border-hover: rgba(29, 107, 242, .4);
  --accent: #F0A63C;
  --success: #12A150;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 8px 24px rgba(11, 42, 92, .06);
  --shadow-md: 0 16px 40px rgba(11, 42, 92, .10);
  --shadow-btn: 0 6px 16px rgba(29, 107, 242, .20);
  --container: 1200px;
  --padding-side: 24px;
  --space-section: 100px;
  --space-section-mobile: 56px;
  --transition: .25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background-color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 3px solid rgba(29, 107, 242, .25);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--padding-side);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: none;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #FFFFFF;
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background-color: #FFFFFF;
  color: var(--primary);
  border: 1px solid #D7DFEA;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-large {
  height: 52px;
  padding: 0 36px;
  font-size: 16px;
}

.badge {
  display: inline-block;
  padding: 5px 14px;
  background-color: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 76px;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(226, 232, 240, .8);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(11, 42, 92, .05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--padding-side);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: -.01em;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--text-title);
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 9px;
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links .divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 8px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--bg-soft);
}

.nav-link.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  margin-left: 10px;
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
  border-radius: var(--radius-pill);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-title);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  padding: 16px var(--padding-side) 24px;
  box-shadow: 0 16px 32px rgba(11, 42, 92, .08);
  z-index: 999;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu .nav-link {
  display: block;
  padding: 12px 16px;
  font-size: 16px;
  border-radius: var(--radius-sm);
}

.mobile-menu .divider {
  display: none;
}

.mobile-menu .nav-cta {
  margin-top: 16px;
  width: 100%;
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: block;
  }
}

/* ===== Page Hero / 标题区 ===== */
.page-hero {
  position: relative;
  padding: 176px 0 96px;
  background: linear-gradient(180deg, rgba(246, 248, 253, .96), rgba(242, 246, 253, .9)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-bottom: 1px solid var(--border);
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.page-hero .breadcrumb a {
  color: var(--text-muted);
}

.page-hero .breadcrumb a:hover {
  color: var(--primary);
}

.page-hero .breadcrumb .sep {
  color: var(--text-placeholder);
}

.page-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-title);
  letter-spacing: -.02em;
  max-width: 720px;
}

.page-hero .lead {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 640px;
}

.page-hero .hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 140px 0 64px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .page-hero .lead {
    font-size: 16px;
  }
}

/* ===== Section 通用 ===== */
.section {
  padding: var(--space-section) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-header .section-tag {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .06em;
  display: inline-block;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 32px;
  line-height: 1.3;
  color: var(--text-title);
  font-weight: 700;
  letter-spacing: -.01em;
}

.section-header p {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-section-mobile) 0;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .section-header h2 {
    font-size: 26px;
  }
}

/* ===== Intro / 引导段 ===== */
.intro-section {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
}

.intro-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.intro-inner p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-muted);
}

.intro-inner .intro-icon-row {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.intro-inner .intro-icon-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  background: var(--bg-soft);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
}

.intro-inner .intro-icon-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

@media (max-width: 768px) {
  .intro-inner p {
    font-size: 16px;
  }
  .intro-inner .intro-icon-row {
    gap: 12px;
  }
  .intro-inner .intro-icon-item {
    padding: 8px 14px;
    font-size: 13px;
  }
}

/* ===== 交替图文行业区 ===== */
.industry-section {
  background: var(--bg-light);
}

.industry-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.industry-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.industry-row.reverse .industry-image {
  order: 2;
}

.industry-row.reverse .industry-content {
  order: 1;
}

.industry-content .industry-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .08em;
  display: block;
  margin-bottom: 10px;
}

.industry-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.35;
  margin-bottom: 16px;
}

.industry-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.industry-content .feature-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.industry-content .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
}

.industry-content .feature-list li svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
  margin-top: 3px;
}

.industry-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.industry-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform .5s ease;
}

.industry-image:hover img {
  transform: scale(1.03);
}

.industry-image .img-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(255, 255, 255, .95);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-title);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 992px) {
  .industry-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .industry-row.reverse .industry-image {
    order: 1;
  }
  .industry-row.reverse .industry-content {
    order: 2;
  }
  .industry-image img {
    height: 260px;
  }
}

/* ===== 数据带 ===== */
.stats-band {
  background: var(--secondary);
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  opacity: .12;
}

.stats-band .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-top: 80px;
  padding-bottom: 80px;
}

.stat-item {
  text-align: center;
  color: #FFFFFF;
}

.stat-item .stat-number {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  color: #FFFFFF;
  letter-spacing: -.02em;
}

.stat-item .stat-number span {
  font-size: 24px;
  font-weight: 600;
  margin-left: 2px;
}

.stat-item .stat-label {
  margin-top: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
}

@media (max-width: 992px) {
  .stats-band .container {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }
}

@media (max-width: 576px) {
  .stats-band .container {
    grid-template-columns: 1fr 1fr;
    gap: 32px 16px;
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .stat-item .stat-number {
    font-size: 36px;
  }
  .stat-item .stat-number span {
    font-size: 20px;
  }
}

/* ===== 流程时间线 ===== */
.process-section {
  background: #FFFFFF;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  counter-reset: process;
  margin-top: 20px;
}

.process-item {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--primary);
  transition: box-shadow var(--transition), transform var(--transition);
}

.process-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.process-item::before {
  counter-increment: process;
  content: counter(process, decimal-leading-zero);
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.process-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 10px;
}

.process-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 1200px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .process-item {
    padding: 24px 20px;
  }
}

/* ===== 引用块 ===== */
.quote-section {
  background: var(--bg-soft);
  padding: 72px 0;
}

.quote-block {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 40px 48px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

.quote-block blockquote {
  font-size: 20px;
  line-height: 1.8;
  color: var(--text-title);
  font-weight: 500;
  font-style: normal;
}

.quote-block .quote-author {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.quote-block .quote-author::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--border);
  display: block;
}

@media (max-width: 768px) {
  .quote-section {
    padding: 48px 0;
  }
  .quote-block {
    padding: 28px 20px;
  }
  .quote-block blockquote {
    font-size: 17px;
  }
}

/* ===== FAQ ===== */
.faq-section {
  background: #FFFFFF;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-title);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question .faq-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-left: 20px;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-placeholder);
  border-radius: 2px;
  transition: transform var(--transition), background var(--transition);
}

.faq-question .faq-icon::before {
  width: 2px;
  height: 16px;
  left: 7px;
  top: 0;
}

.faq-question .faq-icon::after {
  width: 16px;
  height: 2px;
  top: 7px;
  left: 0;
}

.faq-item.active .faq-question {
  color: var(--primary);
}

.faq-item.active .faq-icon::before {
  transform: scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-answer-inner {
  padding: 0 8px 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .faq-question {
    font-size: 16px;
    padding: 20px 4px;
  }
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #123B7A 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: .08;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: #FFFFFF;
}

.cta-inner h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: #FFFFFF;
  letter-spacing: -.01em;
}

.cta-inner p {
  margin-top: 16px;
  font-size: 17px;
  color: rgba(255, 255, 255, .8);
}

.cta-actions {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-actions .btn-primary {
  background-color: #FFFFFF;
  color: var(--secondary);
}

.cta-actions .btn-primary:hover {
  background-color: rgba(255, 255, 255, .9);
  color: var(--secondary);
  box-shadow: 0 8px 24px rgba(255, 255, 255, .2);
}

.cta-actions .btn-ghost-white {
  background: transparent;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, .6);
}

.cta-actions .btn-ghost-white:hover {
  border-color: #FFFFFF;
  color: #FFFFFF;
  background: rgba(255, 255, 255, .1);
}

@media (max-width: 768px) {
  .cta-section {
    padding: 56px 0;
  }
  .cta-inner h2 {
    font-size: 28px;
  }
  .cta-inner p {
    font-size: 15px;
  }
}

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.float-cta.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-cta .btn {
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-btn);
}

@media (max-width: 768px) {
  .float-cta {
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px var(--padding-side);
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--border);
    transform: none;
  }
  .float-cta .btn {
    width: 100%;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 320px;
  margin-top: 8px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-placeholder);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--primary);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer {
    padding: 48px 0 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Mobile Menu 适应 ===== */
@media (max-width: 992px) {
  .mobile-menu {
    display: none;
  }
  .mobile-menu.open {
    display: block;
  }
  .nav-cta {
    display: none;
  }
  .mobile-menu .nav-cta {
    display: flex;
  }
}