:root {
            --bg: #060e10;
            --bg-soft: #0c1619;
            --ink: #edf6f2;
            --ink-soft: #b8cfc5;
            --muted: #71998a;
            --accent: #2dd4a8;
            --accent-light: rgba(45, 212, 168, 0.13);
            --coral: #ff6b6b;
            --coral-light: rgba(255, 107, 107, 0.12);
            --mint: #48cae4;
            --mint-light: rgba(72, 202, 228, 0.12);
            --amber: #ffb347;
            --amber-light: rgba(255, 179, 71, 0.13);
            --violet: #b388eb;
            --violet-light: rgba(179, 136, 235, 0.12);
            --line: rgba(237, 246, 242, 0.07);
            --line-dark: rgba(237, 246, 242, 0.14);
            --card: #101a1d;
            --card-hover: #162125;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.18);
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
            --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.38);
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --ease: cubic-bezier(.22, 1, .36, 1);
            --ease-bounce: cubic-bezier(.34, 1.56, .64, 1);
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden;}
        body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--ink);overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased;}
        ::selection{background:var(--accent);color:#000;}
        a{text-decoration:none;color:inherit;transition:all .3s var(--ease);}
        ul{list-style:none;}
        .container{width:100%;max-width:1260px;margin:0 auto;padding:0 clamp(18px,3.5vw,44px);}
        h1,h2,h3{font-family:'Instrument Serif',serif;font-weight:400;letter-spacing:-.02em;}
        nav{position:fixed;top:0;left:0;right:0;z-index:999;backdrop-filter:blur(24px) saturate(1.8);-webkit-backdrop-filter:blur(24px) saturate(1.8);background:rgba(6,14,16,0.78);border-bottom:1px solid var(--line);transition:box-shadow .35s ease;}
        nav.scrolled{box-shadow:0 4px 24px rgba(0,0,0,0.45);background:rgba(6,14,16,0.9);}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;height:62px;}
        .logo{display:flex;align-items:center;gap:10px;font-family:'Instrument Serif',serif;font-size:1.3rem;color:var(--ink);letter-spacing:-.01em;z-index:2;}
        .logo-icon{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#1a9e7a);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(45,212,168,0.35);transition:transform .35s var(--ease-bounce);}
        .logo:hover .logo-icon{transform:rotate(-6deg) scale(1.1);}
        .nav-right{display:flex;align-items:center;gap:4px;}
        .nav-right a{padding:8px 15px;border-radius:8px;font-size:.86rem;font-weight:500;color:var(--ink-soft);transition:all .22s ease;}
        .nav-right a:hover{background:rgba(255,255,255,0.04);color:var(--ink);}
        .nav-right a.active{background:var(--accent-light);color:var(--accent);font-weight:600;}
        .mobile-btn{display:none;background:none;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer;padding:4px;z-index:2;}
        .breadcrumb{padding:16px 0 0;font-size:.78rem;color:var(--muted);position:relative;z-index:2;margin-top:62px;}
        .breadcrumb a{color:var(--muted);transition:color .25s;}
        .breadcrumb a:hover{color:var(--accent);}
        .breadcrumb span.sep{margin:0 6px;opacity:.5;}
        .section-head{text-align:center;margin-bottom:clamp(36px,4.5vw,58px);}
        .section-tag{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:.73rem;font-weight:500;color:var(--accent);letter-spacing:.13em;text-transform:uppercase;margin-bottom:12px;}
        .section-tag::before,.section-tag::after{content:'';width:18px;height:1px;background:var(--accent);opacity:0.4;}
        .section-head h2{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.1;margin-bottom:10px;}
        .section-head p{color:var(--muted);font-size:.98rem;max-width:480px;margin:0 auto;}
        .btn-solid{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:12px;background:var(--accent);color:#000;font-weight:600;font-size:.93rem;border:none;cursor:pointer;transition:all .3s var(--ease);box-shadow:0 4px 18px rgba(45,212,168,0.35);white-space:nowrap;}
        .btn-solid:hover{background:#3de0b5;box-shadow:0 8px 30px rgba(45,212,168,0.55);transform:translateY(-2px);}
        .btn-outline{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:12px;background:transparent;color:var(--ink);font-weight:600;font-size:.93rem;border:1.5px solid var(--line-dark);cursor:pointer;transition:all .3s var(--ease);white-space:nowrap;}
        .btn-outline:hover{border-color:var(--accent);background:var(--accent-light);color:var(--accent);transform:translateY(-2px);}
        .reveal{opacity:0;transform:translateY(28px);transition:all .7s var(--ease);}
        .reveal.show{opacity:1;transform:translateY(0);}
        .reveal-d1{transition-delay:.08s;}.reveal-d2{transition-delay:.16s;}.reveal-d3{transition-delay:.24s;}.reveal-d4{transition-delay:.32s;}

        /* 下载页专有样式 */
        .dl-hero{padding:clamp(40px,6vh,80px) 0;}
        .dl-hero-top{text-align:center;margin-bottom:50px;}
        .dl-hero-top h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.1;margin-bottom:16px;}
        .dl-hero-top h1 em{font-style:italic;color:var(--accent);}
        .meta{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--muted);}
        .meta-item{display:flex;align-items:center;gap:6px;}
        .mi-dot{width:7px;height:7px;border-radius:50%;}
        .platform-mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
        .plat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:all .35s var(--ease);display:flex;flex-direction:column;}
        .plat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);background:var(--card-hover);border-color:var(--accent);}
        .pc-header{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
        .pc-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
        .pi-win{background:rgba(45,212,168,0.15);color:var(--accent);}.pi-mac{background:rgba(72,202,228,0.15);color:var(--mint);}
        .pi-ios{background:rgba(179,136,235,0.15);color:var(--violet);}.pi-and{background:rgba(255,179,71,0.15);color:var(--amber);}
        .pc-name{font-family:'DM Sans',sans-serif;font-weight:700;font-size:1rem;line-height:1.2;color:var(--ink);}
        .pc-ver{font-size:.7rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}
        .pc-tag{font-size:.65rem;font-weight:600;padding:2px 8px;border-radius:100px;font-family:'JetBrains Mono',monospace;}
        .tag-rec{background:var(--accent-light);color:var(--accent);}.tag-new{background:var(--violet-light);color:var(--violet);}
        .pc-desc{font-size:.85rem;color:var(--muted);line-height:1.6;margin-bottom:16px;flex-grow:1;}
        .pc-specs{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px;font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--ink-soft);}
        .pc-spec{display:flex;align-items:center;gap:6px;background:var(--bg-soft);padding:4px 10px;border-radius:6px;}
        .ps-dot{width:4px;height:4px;border-radius:50%;background:var(--accent);}
        .pc-btn{width:100%;padding:12px;border-radius:10px;text-align:center;font-weight:600;font-size:.88rem;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .3s var(--ease);border:1px solid transparent;background:var(--accent);color:#000;box-shadow:0 4px 15px rgba(45,212,168,0.3);cursor:pointer;}
        .pc-btn:hover{background:#3de0b5;box-shadow:0 8px 25px rgba(45,212,168,0.5);}
        .btn-mac{background:var(--mint);box-shadow:0 4px 15px rgba(72,202,228,0.3);color:#000;}
        .btn-mac:hover{background:#6dd5ed;}
        .btn-ios{background:var(--violet);box-shadow:0 4px 15px rgba(179,136,235,0.3);color:#fff;}
        .btn-ios:hover{background:#c9a7f0;}
        .btn-and{background:var(--amber);box-shadow:0 4px 15px rgba(255,179,71,0.3);color:#000;}
        .btn-and:hover{background:#ffc266;}

        .install-showcase{padding:clamp(50px,7vh,90px) 0;}
        .showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
        .showcase-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 20px;text-align:center;transition:all .35s var(--ease);}
        .showcase-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);background:var(--card-hover);}
        .sc-step-badge{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#000;font-weight:700;font-family:'JetBrains Mono',monospace;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;}
        .sc-animation-area{font-size:2rem;margin-bottom:12px;display:flex;align-items:center;justify-content:center;gap:8px;}
        .anim-bounce{animation:bounce 2s infinite;}
        .anim-pulse{animation:pulse 2s infinite;}
        .anim-spin{animation:spin 2s linear infinite;}
        @keyframes bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
        @keyframes pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.2);}}
        @keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}
        .sc-title{font-family:'DM Sans',sans-serif;font-weight:700;font-size:1.1rem;margin-bottom:8px;}
        .sc-desc{font-size:.85rem;color:var(--muted);line-height:1.6;}

        .comparison{padding:clamp(50px,7vh,90px) 0;}
        .comp-table-wrap{overflow-x:auto;margin-top:24px;}
        .comp-table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:600px;}
        .comp-table th{text-align:left;padding:14px 16px;background:var(--card);color:var(--ink);font-weight:600;font-family:'DM Sans',sans-serif;border-bottom:1px solid var(--line-dark);}
        .comp-table td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft);}
        .comp-table tr:hover td{background:var(--card-hover);}
        .ck-icon.ck-green{color:var(--accent);font-weight:700;}
        .ck-dash{color:var(--muted);}

        .detail-section{padding:clamp(50px,7vh,90px) 0;}
        .detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
        .detail-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;transition:all .35s var(--ease);}
        .detail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);background:var(--card-hover);}
        .dc-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
        .dc-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;}
        .di1{background:var(--accent-light);color:var(--accent);}.di2{background:var(--mint-light);color:var(--mint);}
        .di3{background:var(--violet-light);color:var(--violet);}.di4{background:var(--amber-light);color:var(--amber);}
        .detail-card h3{font-family:'DM Sans',sans-serif;font-size:1.05rem;font-weight:700;margin:0;}
        .dc-body p{font-size:.88rem;color:var(--muted);margin-bottom:12px;line-height:1.7;}
        .dc-body ul{margin-left:18px;list-style:disc;color:var(--ink-soft);font-size:.85rem;}
        .dc-body li{margin-bottom:6px;}

        .timeline-section{padding:clamp(50px,7vh,90px) 0;}
        .tl-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
        .tl-card{min-width:260px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;scroll-snap-align:start;transition:all .3s var(--ease);}
        .tl-card:hover{background:var(--card-hover);box-shadow:var(--shadow);}
        .tl-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px;}
        .tl-ver{font-family:'JetBrains Mono',monospace;font-weight:600;font-size:.85rem;color:var(--ink);}
        .tl-date{font-size:.72rem;color:var(--muted);}
        .tl-badge{font-size:.6rem;padding:2px 8px;border-radius:100px;font-weight:600;text-transform:uppercase;}
        .tl-latest{background:var(--accent);color:#000;}.tl-stable{background:var(--mint-light);color:var(--mint);}.tl-major{background:var(--violet-light);color:var(--violet);}
        .tl-body{font-size:.82rem;color:var(--ink-soft);list-style:disc;padding-left:18px;}
        .tl-body li{margin-bottom:4px;}

        .cta-section{padding:clamp(50px,7vh,90px) 0;}
        .cta-inner{background:linear-gradient(135deg,#121f24 0%,#0a1518 100%);border-radius:var(--radius-xl);padding:clamp(44px,5.5vw,72px);text-align:center;position:relative;overflow:hidden;color:#fff;border:1px solid var(--line-dark);}
        .cta-inner h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:12px;}
        .cta-inner h2 em{color:var(--accent);}
        .cta-inner p{color:rgba(255,255,255,0.55);margin-bottom:32px;max-width:440px;margin-left:auto;margin-right:auto;}
        .cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
        .footer{border-top:1px solid var(--line);padding:50px 0 24px;background:var(--bg-soft);}
        .footer-grid{display:grid;grid-template-columns:2.5fr 1fr 1fr 1fr;gap:clamp(20px,3.5vw,50px);margin-bottom:40px;}
        .footer-brand p{color:var(--muted);font-size:.85rem;max-width:260px;line-height:1.7;margin-top:12px;}
        .footer-col h4{font-family:'JetBrains Mono',monospace;font-size:.72rem;font-weight:500;color:var(--ink);margin-bottom:16px;letter-spacing:.1em;text-transform:uppercase;}
        .footer-col li{margin-bottom:9px;}
        .footer-col a{color:var(--muted);font-size:.85rem;}
        .footer-col a:hover{color:var(--accent);}
        .footer-bottom{display:flex;justify-content:space-between;padding-top:20px;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted);font-family:'JetBrains Mono',monospace;}

        @media(max-width:1024px){
            .platform-mosaic{grid-template-columns:1fr 1fr;}
            .detail-grid{grid-template-columns:1fr;}
            .showcase-grid{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr 1fr;}
        }
        @media(max-width:768px){
            .nav-right a:not(.nav-right a.active){display:none;}
            .nav-right a.active{display:block;}
            .mobile-btn{display:block;}
            .platform-mosaic{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr;}
            .footer-bottom{flex-direction:column;gap:6px;text-align:center;}
            .cta-btns{flex-direction:column;align-items:center;}
        }