:root{--color-primary:#4153ff;--color-primary-dark:#2f3fd9;--color-primary-light:rgba(65, 83, 255, 0.15);--color-accent:#ff6b35;--color-accent-hover:#e55a2b;--color-text:#ffffff;--color-text-secondary:rgba(255, 255, 255, 0.65);--color-text-light:rgba(255, 255, 255, 0.45);--color-bg:#0b1a38;--color-bg-white:#ffffff;--color-border:rgba(255, 255, 255, 0.08);--color-success:#00d4aa;--font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;--max-width:1920px;--header-height:72px;--radius-sm:6px;--radius-md:8px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.35);--shadow-md:0 4px 20px rgba(0, 0, 0, 0.5);--shadow-lg:0 8px 40px rgba(0, 0, 0, 0.6);--transition-fast:0.2s ease;--transition-normal:0.3s ease;--transition-slow:0.5s ease}[data-theme=light]{--color-primary:#4153ff;--color-primary-dark:#2f3fd9;--color-primary-light:rgba(65, 83, 255, 0.08);--color-accent:#ff6b35;--color-text:#1a1a2e;--color-text-secondary:rgba(26, 26, 46, 0.65);--color-text-light:rgba(26, 26, 46, 0.45);--color-bg:#f0f2f5;--color-bg-white:#ffffff;--color-border:rgba(0, 0, 0, 0.08);--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.08);--shadow-md:0 4px 20px rgba(0, 0, 0, 0.1);--shadow-lg:0 8px 40px rgba(0, 0, 0, 0.12)}*,::after,::before{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#060d1f}#app{position:relative;z-index:1}body{font-family:var(--font-family);font-size:16px;line-height:1.7;color:var(--color-text);overflow-x:hidden;min-width:320px}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary)}ol,ul{list-style:none}img{max-width:100%;height:auto;display:block}button,input,textarea{font-family:inherit;font-size:inherit;outline:0;border:none}button{cursor:pointer}.container{position:relative;z-index:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}.section{padding:120px 0}.section-gray{background:var(--color-bg)}.section-sm{padding:72px 0}.section-title-compact{margin-bottom:40px}.section-title{text-align:center;margin-bottom:64px}.section-title h2{font-size:42px;font-weight:700;color:var(--color-text);margin-bottom:16px;letter-spacing:-.5px}.section-title .subtitle{font-size:18px;color:var(--color-text-secondary);max-width:640px;margin:0 auto;line-height:1.7}.section-title .divider{width:48px;height:4px;background:var(--color-primary);margin:20px auto 0;border-radius:2px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 32px;border-radius:var(--radius-md);font-size:16px;font-weight:500;transition:all var(--transition-fast);line-height:1.4;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 4px 16px rgba(65,83,255,.35)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:var(--color-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,107,53,.35)}.btn-outline{background:0 0;color:rgba(255,255,255,.85);border:2px solid rgba(255,255,255,.3)}.btn-outline:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6)}.btn-outline-white{background:0 0;color:#fff;border:2px solid rgba(255,255,255,.6)}.btn-outline-white:hover{background:#fff;color:var(--color-primary);border-color:#fff}.btn-lg{padding:16px 40px;font-size:18px}.card{background:rgba(13,31,68,.85);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.tag{display:inline-block;padding:4px 12px;border-radius:var(--radius-sm);font-size:13px;background:var(--color-primary-light);color:var(--color-primary)}.page-header{padding:150px 0 80px;background:linear-gradient(135deg,#0a1628 0,#132347 50%,#0d1f3c 100%);color:#fff;text-align:center}.page-header h1{font-size:48px;font-weight:700;margin-bottom:16px;letter-spacing:-.5px}.page-header p{font-size:20px;color:rgba(255,255,255,.65);max-width:640px;margin:0 auto;line-height:1.7}.breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px;font-size:14px;color:rgba(255,255,255,.5)}.breadcrumb a{color:rgba(255,255,255,.7)}.breadcrumb a:hover{color:#fff}.fade-up{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease}.fade-up.visible{opacity:1;transform:translateY(0)}.fade-in{opacity:0;transition:opacity .7s ease}.fade-in.visible{opacity:1}.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:9999;align-items:center;justify-content:center}.modal-overlay.active{display:flex}.modal{background:#0d1f44;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);width:90%;max-width:800px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--shadow-lg)}.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;transition:background var(--transition-fast);z-index:1;color:rgba(255,255,255,.6)}.modal-close:hover{background:rgba(255,255,255,.2)}.modal-body{display:flex}.qrcode-modal{max-width:420px}.qrcode-body{display:flex;flex-direction:column;align-items:center;text-align:center;padding:44px 32px 32px}.qrcode-body h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:8px}.qrcode-sub{font-size:14px;color:rgba(255,255,255,.55);margin-bottom:28px}.qrcode-img{width:200px;height:200px;border-radius:12px;overflow:hidden;background:#fff;padding:8px;margin-bottom:24px}.qrcode-img img{width:100%;height:100%;object-fit:contain}.qrcode-phone{font-size:14px;color:rgba(255,255,255,.5)}.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);padding:12px 24px;background:#0d1f3c;color:#fff;border-radius:var(--radius-md);font-size:14px;z-index:99999;opacity:0;transition:opacity var(--transition-fast);pointer-events:none}.toast.show{opacity:1}.toast.success{background:var(--color-success)}.toast.error{background:var(--color-accent)}.img-contain{width:100%;height:100%;object-fit:contain}.img-cover{width:100%;height:100%;object-fit:cover}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.product-btn-row{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}.cta-contact-email{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--color-text-secondary)}.page-content{max-width:900px;margin:0 auto;line-height:1.9;color:var(--color-text-secondary)}.page-content p{margin-bottom:16px}.faq-list{max-width:800px;margin:0 auto}.faq-item{border:1px solid var(--color-border);border-radius:10px;margin-bottom:12px;background:var(--color-card-bg);transition:border-color .2s ease}.faq-item[open]{border-color:var(--color-primary)}.faq-question{padding:18px 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var(--color-border);border-radius:var(--radius-lg)}.author-avatar{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(65,83,255,.12)}.author-name{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:6px}.author-info{flex:1}.author-bio{font-size:14px;line-height:1.7;color:var(--color-text-secondary)}