/* roulang page: index */
:root {
            --bg-deep: #0A0F24;
            --bg-mid: #0D1B3E;
            --bg-card: rgba(255,255,255,0.03);
            --accent-blue: #00C2FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-light: #E0F0FF;
            --text-body: rgba(255,255,255,0.7);
            --text-muted: rgba(255,255,255,0.4);
            --border-glow: rgba(0,194,255,0.2);
            --border-card: rgba(255,255,255,0.08);
            --radius-card: 16px;
            --radius-btn: 30px;
            --radius-input: 12px;
            --shadow-card: 0 8px 32px rgba(0,194,255,0.08);
            --shadow-btn-hover: 0 0 24px rgba(0,240,255,0.6);
            --font-h1: 36px;
            --font-h2: 28px;
            --font-h3: 20px;
            --font-body: 16px;
            --font-metric: 42px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4,0,0.2,1);
            --container-max: 1200px;
            --glass-blur: blur(18px);
        }

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

        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}

        body{
            font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',-apple-system,BlinkMacSystemFont,sans-serif;
            font-size:var(--font-body);
            line-height:1.6;
            color:var(--text-body);
            background:var(--bg-deep);
            background-image:radial-gradient(ellipse at 50% 0%,rgba(0,194,255,0.06) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(0,240,255,0.03) 0%,transparent 50%);
            background-attachment:fixed;
            min-height:100vh;
            overflow-x:hidden;
        }

        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button,input,select,textarea{font-family:inherit;font-size:inherit}

        .container{max-width:var(--container-max);margin:0 auto;padding:0 24px}

        /* Header / Navigation */
        .site-header{
            position:fixed;top:0;left:0;right:0;z-index:1000;
            background:rgba(10,15,36,0.75);backdrop-filter:blur(20px);
            -webkit-backdrop-filter:blur(20px);
            border-bottom:1px solid var(--border-glow);
            transition:background var(--transition-smooth),box-shadow var(--transition-smooth);
        }
        .site-header.scrolled{background:rgba(10,15,36,0.95);box-shadow:0 4px 24px rgba(0,0,0,0.4)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
        .header-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--accent-cyan);white-space:nowrap;letter-spacing:0.5px;flex-shrink:0}
        .header-logo .logo-icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-cyan));display:flex;align-items:center;justify-content:center;font-size:16px;color:#0A0F24;font-weight:900}
        .header-nav{display:flex;align-items:center;gap:28px;list-style:none}
        .header-nav a{color:rgba(255,255,255,0.85);font-size:15px;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:all var(--transition-fast);white-space:nowrap}
        .header-nav a:hover,.header-nav a.active{color:var(--accent-cyan);border-bottom-color:var(--accent-cyan)}
        .header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
        .header-search{position:relative;display:flex;align-items:center}
        .header-search input{
            background:rgba(255,255,255,0.04);border:1px solid var(--border-card);
            border-radius:var(--radius-input);color:var(--text-white);padding:9px 40px 9px 16px;
            font-size:14px;width:200px;outline:none;transition:all var(--transition-fast);
            backdrop-filter:blur(8px);
        }
        .header-search input::placeholder{color:var(--text-muted)}
        .header-search input:focus{border-color:var(--accent-blue);box-shadow:0 0 12px rgba(0,194,255,0.15);width:240px}
        .header-search .search-icon{
            position:absolute;right:14px;top:50%;transform:translateY(-50%);
            color:var(--text-muted);font-size:15px;pointer-events:none;transition:color var(--transition-fast)
        }
        .header-search input:focus~.search-icon{color:var(--accent-cyan)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:var(--radius-btn);font-weight:600;font-size:14px;cursor:pointer;transition:all var(--transition-smooth);border:none;white-space:nowrap;outline:none}
        .btn:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px}
        .btn-primary{background:linear-gradient(135deg,var(--accent-blue),var(--accent-cyan));color:#0A0F24;box-shadow:0 4px 16px rgba(0,194,255,0.25)}
        .btn-primary:hover{box-shadow:var(--shadow-btn-hover);transform:scale(1.03)}
        .btn-outline{background:transparent;border:1.5px solid var(--accent-blue);color:var(--accent-blue)}
        .btn-outline:hover{background:rgba(0,194,255,0.1);border-color:var(--accent-cyan);color:var(--accent-cyan);box-shadow:0 0 16px rgba(0,194,255,0.2)}
        .btn-lg{padding:14px 32px;font-size:16px;border-radius:var(--radius-btn)}
        .btn-block{width:100%}
        .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;z-index:1001}
        .hamburger span{display:block;width:26px;height:2.5px;background:var(--text-white);border-radius:3px;transition:all var(--transition-fast)}

        /* Section common */
        .section{padding:80px 0;position:relative}
        .section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-glow),transparent);margin:0 auto;max-width:var(--container-max)}
        .section-label{display:inline-block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--accent-cyan);margin-bottom:8px}
        .section-title{font-size:var(--font-h2);line-height:1.3;color:var(--text-light);margin-bottom:36px;font-weight:700;position:relative;display:inline-block}
        .section-title::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,var(--accent-blue),var(--accent-cyan));margin-top:10px;border-radius:2px;box-shadow:0 0 10px rgba(0,240,255,0.4)}
        .section-subtitle{font-size:16px;color:var(--text-body);max-width:680px;margin-bottom:40px;line-height:1.7}

        /* Hero */
        .hero{min-height:100vh;display:flex;align-items:center;padding-top:80px;position:relative;overflow:hidden}
        .hero-bg{position:absolute;inset:0;z-index:0}
        .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.35}
        .hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,36,0.6) 0%,rgba(13,27,62,0.85) 60%,var(--bg-deep) 100%)}
        .hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
        .hero-content{display:flex;flex-direction:column;gap:20px}
        .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:4px}
        .hero-badge{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:24px;font-size:13px;font-weight:600;background:rgba(0,240,255,0.08);border:1px solid rgba(0,240,255,0.2);color:var(--accent-cyan)}
        .hero-badge .badge-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-cyan);box-shadow:0 0 8px var(--accent-cyan)}
        .hero-title{font-size:var(--font-h1);line-height:1.3;color:var(--text-white);font-weight:700;letter-spacing:-0.5px}
        .hero-title .highlight{background:linear-gradient(135deg,var(--accent-blue),var(--accent-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .hero-desc{font-size:17px;line-height:1.75;color:var(--text-body);max-width:540px}
        .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
        .hero-eligibility{background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-card);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card)}
        .hero-eligibility h3{font-size:18px;color:var(--text-white);margin-bottom:16px;font-weight:600}
        .hero-eligibility ul{list-style:none;display:flex;flex-direction:column;gap:10px}
        .hero-eligibility li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-body)}
        .hero-eligibility li .check-icon{width:20px;height:20px;border-radius:50%;background:rgba(0,240,255,0.15);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--accent-cyan);flex-shrink:0}

        /* 卖点三连 */
        .selling-points{background:rgba(13,27,62,0.4)}
        .selling-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
        .selling-card{background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-card);border-radius:var(--radius-card);padding:36px 28px;transition:all var(--transition-smooth);position:relative;overflow:hidden}
        .selling-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--accent-blue),transparent);opacity:0;transition:opacity var(--transition-smooth)}
        .selling-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:rgba(0,194,255,0.3)}
        .selling-card:hover::before{opacity:1}
        .selling-card.featured{border-color:rgba(0,240,255,0.25);box-shadow:0 8px 40px rgba(0,194,255,0.12)}
        .selling-card .card-icon{width:52px;height:52px;border-radius:14px;background:rgba(0,194,255,0.1);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;color:var(--accent-cyan)}
        .selling-card h3{font-size:var(--font-h3);color:var(--text-white);margin-bottom:10px;font-weight:600}
        .selling-card p{font-size:15px;color:var(--text-body);line-height:1.6;margin-bottom:16px}
        .selling-card .card-link{font-size:14px;color:var(--accent-blue);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap var(--transition-fast)}
        .selling-card .card-link:hover{color:var(--accent-cyan);gap:10px}

        /* 场景演示 */
        .scene-demo{background:var(--bg-deep)}
        .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
        .scene-main{grid-row:span 2;border-radius:var(--radius-card);overflow:hidden;position:relative;min-height:400px}
        .scene-main img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease}
        .scene-main:hover img{transform:scale(1.04)}
        .scene-main .scene-overlay{position:absolute;bottom:0;left:0;right:0;padding:28px;background:linear-gradient(transparent,rgba(10,15,36,0.92))}
        .scene-main .scene-overlay h3{color:var(--text-white);font-size:22px;font-weight:600;margin-bottom:6px}
        .scene-main .scene-overlay p{color:var(--text-body);font-size:14px}
        .scene-secondary{border-radius:var(--radius-card);overflow:hidden;position:relative;min-height:190px;background:var(--bg-card);border:1px solid var(--border-card)}
        .scene-secondary img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
        .scene-secondary:hover img{transform:scale(1.03)}
        .scene-secondary .scene-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(10,15,36,0.9))}
        .scene-secondary .scene-overlay h4{color:var(--text-white);font-size:17px;font-weight:600;margin-bottom:4px}
        .scene-secondary .scene-overlay p{color:var(--text-body);font-size:13px}
        .scene-tag{position:absolute;top:14px;left:14px;padding:5px 12px;border-radius:16px;font-size:12px;font-weight:600;background:rgba(0,240,255,0.15);color:var(--accent-cyan);border:1px solid rgba(0,240,255,0.2);z-index:2}

        /* 社会认同 */
        .social-proof{background:rgba(13,27,62,0.3)}
        .proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
        .proof-stat{text-align:center;padding:28px 20px;background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-card);border-radius:var(--radius-card);transition:all var(--transition-smooth)}
        .proof-stat:hover{border-color:rgba(0,194,255,0.3);box-shadow:var(--shadow-card)}
        .proof-stat .stat-number{font-size:var(--font-metric);font-weight:700;color:var(--accent-cyan);line-height:1;text-shadow:0 0 20px rgba(0,240,255,0.35);font-family:'SF Mono','Inter','PingFang SC',monospace;letter-spacing:-1px}
        .proof-stat .stat-label{font-size:14px;color:var(--text-body);margin-top:8px}
        .proof-reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .review-card{background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-card);border-radius:var(--radius-card);padding:24px;transition:all var(--transition-smooth)}
        .review-card:hover{border-color:rgba(0,240,255,0.2);transform:translateY(-3px)}
        .review-card .review-stars{color:#FFB800;font-size:14px;margin-bottom:10px;letter-spacing:2px}
        .review-card p{font-size:14px;color:var(--text-body);line-height:1.7;margin-bottom:12px;font-style:italic}
        .review-card .review-author{font-size:13px;color:var(--text-muted);font-weight:500}

        /* 版本更新 Changelog */
        .changelog{background:var(--bg-deep)}
        .changelog-timeline{position:relative;padding-left:40px}
        .changelog-timeline::before{content:'';position:absolute;left:16px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent-cyan),rgba(0,194,255,0.1))}
        .changelog-item{position:relative;margin-bottom:32px;padding:20px 24px;background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-card);border-radius:var(--radius-card);transition:all var(--transition-smooth)}
        .changelog-item:hover{border-color:rgba(0,194,255,0.25);box-shadow:var(--shadow-card)}
        .changelog-item::before{content:'';position:absolute;left:-28px;top:24px;width:10px;height:10px;border-radius:50%;background:var(--accent-cyan);box-shadow:0 0 12px rgba(0,240,255,0.5);border:2px solid var(--bg-deep)}
        .changelog-item .changelog-date{font-size:12px;color:var(--accent-cyan);font-weight:600;letter-spacing:1px;margin-bottom:6px}
        .changelog-item h4{font-size:17px;color:var(--text-white);margin-bottom:6px;font-weight:600}
        .changelog-item p{font-size:14px;color:var(--text-body);line-height:1.6}

        /* 节日战役区 */
        .campaign{background:linear-gradient(135deg,rgba(0,194,255,0.05) 0%,rgba(0,240,255,0.02) 50%,rgba(0,194,255,0.05) 100%);position:relative;overflow:hidden}
        .campaign::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(0,240,255,0.08),transparent 70%);pointer-events:none}
        .campaign-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
        .campaign-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:340px}
        .campaign-visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-card)}
        .campaign-visual .campaign-ribbon{position:absolute;top:20px;right:-30px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:#0A0F24;padding:10px 40px;font-weight:700;font-size:14px;transform:rotate(35deg);box-shadow:0 4px 16px rgba(0,240,255,0.3)}
        .campaign-info h3{font-size:26px;color:var(--text-white);margin-bottom:14px;font-weight:700}
        .campaign-info p{font-size:15px;color:var(--text-body);line-height:1.7;margin-bottom:10px}
        .campaign-gifts{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}
        .campaign-gift{background:rgba(0,240,255,0.06);border:1px solid rgba(0,240,255,0.15);border-radius:20px;padding:8px 18px;font-size:13px;color:var(--accent-cyan);font-weight:500}

        /* 资讯区 */
        .info-section{background:rgba(13,27,62,0.35)}
        .info-layout{display:grid;grid-template-columns:1fr 340px;gap:36px}
        .info-list{display:flex;flex-direction:column;gap:0}
        .info-list-item{display:flex;align-items:baseline;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,0.05);transition:all var(--transition-fast);cursor:pointer}
        .info-list-item:hover{border-bottom-color:rgba(0,194,255,0.2)}
        .info-list-item:hover .info-list-title{color:var(--accent-cyan)}
        .info-list-item .info-date{font-size:12px;color:var(--text-muted);white-space:nowrap;min-width:70px;font-family:'SF Mono','Inter',monospace}
        .info-list-item .info-list-title{font-size:15px;color:var(--text-light);font-weight:500;transition:color var(--transition-fast);line-height:1.5}
        .info-sidebar{display:flex;flex-direction:column;gap:20px}
        .info-sidebar-card{background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-card);border-radius:var(--radius-card);padding:20px;transition:all var(--transition-smooth)}
        .info-sidebar-card:hover{border-color:rgba(0,194,255,0.2)}
        .info-sidebar-card h4{font-size:16px;color:var(--text-white);margin-bottom:8px;font-weight:600}
        .info-sidebar-card p{font-size:13px;color:var(--text-body);line-height:1.6}

        /* CTA Form */
        .cta-form{background:linear-gradient(180deg,rgba(0,194,255,0.04),rgba(0,240,255,0.02))}
        .cta-form-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
        .cta-form-info h2{font-size:30px;color:var(--text-white);margin-bottom:14px;font-weight:700}
        .cta-form-info p{font-size:15px;color:var(--text-body);line-height:1.7;max-width:460px}
        .cta-form-card{background:var(--bg-card);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid rgba(0,194,255,0.2);border-radius:var(--radius-card);padding:36px;box-shadow:0 8px 40px rgba(0,194,255,0.1)}
        .form-group{margin-bottom:18px}
        .form-group label{display:block;font-size:13px;color:var(--text-light);margin-bottom:6px;font-weight:500}
        .form-group input,.form-group select{width:100%;padding:12px 16px;background:rgba(255,255,255,0.04);border:1px solid var(--border-card);border-radius:var(--radius-input);color:var(--text-white);font-size:15px;outline:none;transition:all var(--transition-fast);backdrop-filter:blur(8px);appearance:none}
        .form-group input::placeholder{color:var(--text-muted)}
        .form-group input:focus,.form-group select:focus{border-color:var(--accent-blue);box-shadow:0 0 14px rgba(0,194,255,0.15)}
        .form-group select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2300C2FF' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;cursor:pointer}
        .form-group select option{background:#0D1B3E;color:#fff}

        /* Footer */
        .site-footer{background:rgba(8,12,28,0.95);border-top:1px solid var(--border-glow);padding:48px 0 28px}
        .footer-inner{display:grid;grid-template-columns:1fr 2fr;gap:40px;align-items:start}
        .footer-brand .footer-logo{font-size:20px;font-weight:700;color:var(--accent-cyan);margin-bottom:8px}
        .footer-brand p{font-size:13px;color:var(--text-muted);line-height:1.6;max-width:280px}
        .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .footer-col h4{font-size:14px;color:var(--text-light);margin-bottom:14px;font-weight:600}
        .footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
        .footer-col a{font-size:13px;color:var(--text-muted);transition:color var(--transition-fast)}
        .footer-col a:hover{color:var(--accent-cyan)}
        .footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.05);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--text-muted)}
        .footer-bottom a{color:var(--text-muted)}
        .footer-bottom a:hover{color:var(--accent-cyan)}

        /* Toast */
        .toast{position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-120px);background:rgba(0,194,255,0.15);backdrop-filter:blur(20px);border:1px solid var(--accent-cyan);border-radius:var(--radius-btn);padding:14px 28px;color:var(--accent-cyan);font-weight:600;font-size:14px;z-index:9999;transition:transform 0.5s cubic-bezier(0.22,1,0.36,1);pointer-events:none}
        .toast.show{transform:translateX(-50%) translateY(0)}

        /* Responsive */
        @media(max-width:1024px){
            :root{--font-h1:30px;--font-h2:24px;--font-metric:34px}
            .hero .container{grid-template-columns:1fr;gap:32px}
            .hero-eligibility{max-width:500px}
            .selling-grid{grid-template-columns:repeat(2,1fr);gap:20px}
            .selling-card.featured{grid-column:span 2}
            .scene-grid{grid-template-columns:1fr 1fr}
            .proof-stats{grid-template-columns:repeat(2,1fr)}
            .proof-reviews{grid-template-columns:repeat(2,1fr)}
            .info-layout{grid-template-columns:1fr}
            .info-sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
            .cta-form-inner{grid-template-columns:1fr;gap:32px}
            .campaign-inner{grid-template-columns:1fr;gap:28px}
            .footer-inner{grid-template-columns:1fr;gap:28px}
            .header-search input{width:150px}
            .header-search input:focus{width:180px}
        }

        @media(max-width:768px){
            :root{--font-h1:26px;--font-h2:22px;--font-h3:18px;--font-metric:28px;--font-body:15px}
            .section{padding:50px 0}
            .hero{min-height:auto;padding-top:100px;padding-bottom:40px}
            .hero .container{grid-template-columns:1fr;gap:24px}
            .hero-title{font-size:24px}
            .hero-desc{font-size:15px}
            .header-nav{display:none;position:fixed;top:64px;left:0;right:0;background:rgba(10,15,36,0.97);flex-direction:column;padding:20px 24px;gap:16px;border-bottom:1px solid var(--border-glow);backdrop-filter:blur(20px);z-index:999}
            .header-nav.open{display:flex}
            .header-nav a{font-size:16px;padding:8px 0}
            .header-search input{width:120px;font-size:13px}
            .header-search input:focus{width:150px}
            .hamburger{display:flex}
            .header-actions{gap:8px}
            .btn{font-size:13px;padding:8px 16px}
            .btn-lg{padding:12px 24px;font-size:14px}
            .selling-grid{grid-template-columns:1fr;gap:16px}
            .selling-card.featured{grid-column:span 1}
            .scene-grid{grid-template-columns:1fr;gap:16px}
            .scene-main{grid-row:span 1;min-height:260px}
            .scene-secondary{min-height:160px}
            .proof-stats{grid-template-columns:repeat(2,1fr);gap:12px}
            .proof-reviews{grid-template-columns:1fr;gap:14px}
            .changelog-timeline{padding-left:30px}
            .changelog-timeline::before{left:10px}
            .changelog-item::before{left:-22px;top:22px;width:8px;height:8px}
            .campaign-inner{grid-template-columns:1fr}
            .campaign-visual{min-height:240px}
            .info-layout{grid-template-columns:1fr}
            .info-sidebar{grid-template-columns:1fr}
            .cta-form-inner{grid-template-columns:1fr}
            .cta-form-card{padding:24px}
            .cta-form-info h2{font-size:24px}
            .footer-inner{grid-template-columns:1fr;gap:24px}
            .footer-links{grid-template-columns:repeat(2,1fr);gap:16px}
            .hero-badges{gap:6px}
            .hero-badge{font-size:11px;padding:6px 12px}
            .hero-cta{flex-direction:column}
            .hero-cta .btn{width:100%;justify-content:center}
        }

        @media(max-width:520px){
            .container{padding:0 16px}
            .header-inner{gap:10px}
            .header-logo{font-size:16px}
            .header-logo .logo-icon{width:26px;height:26px;font-size:13px}
            .header-search input{width:100px;padding:8px 32px 8px 10px;font-size:12px}
            .header-search input:focus{width:120px}
            .proof-stats{grid-template-columns:1fr 1fr}
            .footer-links{grid-template-columns:1fr}
            .footer-bottom{flex-direction:column;text-align:center}
        }