*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #3b82f6;--color-primary-bg: #eff6ff;--color-text: #1e293b;--color-text-secondary: #64748b;--color-text-light: #94a3b8;--color-bg: #ffffff;--color-bg-alt: #f8fafc;--color-bg-dark: #0f172a;--color-border: #e2e8f0;--color-success: #10b981;--color-warning: #f59e0b;--max-width: 1200px;--header-height: 72px;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .1), 0 4px 10px -4px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, .12);--transition: .2s ease}html{scroll-behavior:smooth;font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{list-style:none}button{cursor:pointer;border:none;font-family:inherit}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:#ffffffeb;backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);z-index:100;display:flex;align-items:center}.header .container{display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--color-text)}.logo-icon{width:36px;height:36px;background:var(--color-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.1rem}.nav{display:flex;align-items:center;gap:32px}.nav a{font-size:.95rem;font-weight:500;color:var(--color-text-secondary);transition:color var(--transition)}.nav a:hover{color:var(--color-primary)}.nav-cta{padding:8px 20px;background:var(--color-primary);color:#fff!important;border-radius:20px;font-size:.9rem;font-weight:600;transition:background var(--transition)}.nav-cta:hover{background:var(--color-primary-dark)}.hero{padding:120px 0 80px;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;left:50%;transform:translate(-50%);width:1200px;height:1200px;background:radial-gradient(circle at 50% 50%,rgba(37,99,235,.06) 0%,transparent 60%);pointer-events:none}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:var(--color-primary-bg);color:var(--color-primary);border-radius:20px;font-size:.875rem;font-weight:600;margin-bottom:24px}.hero-badge span{display:inline-block;width:8px;height:8px;background:var(--color-success);border-radius:50%;animation:pulse-dot 2s infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.hero h1{font-size:3.5rem;font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--color-text);max-width:720px;margin:0 auto 16px}.hero h1 em{font-style:normal;color:var(--color-primary)}.hero-subtitle{font-size:1.2rem;color:var(--color-text-secondary);max-width:560px;margin:0 auto 36px;line-height:1.7}.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:30px;font-size:1rem;font-weight:600;transition:all var(--transition)}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 4px 14px #2563eb59}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 6px 20px #2563eb66}.btn-outline{background:var(--color-bg);color:var(--color-text);border:1.5px solid var(--color-border)}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}.hero-mockup{margin-top:60px;position:relative}.hero-mockup img{border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);margin:0 auto}.section{padding:100px 0}.section-header{text-align:center;margin-bottom:60px}.section-label{display:inline-block;font-size:.875rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-primary);margin-bottom:12px}.section-title{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin-bottom:12px}.section-desc{font-size:1.1rem;color:var(--color-text-secondary);max-width:560px;margin:0 auto}.features-bg{background:var(--color-bg-alt)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:36px 28px;transition:all var(--transition)}.feature-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.feature-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}.feature-icon.blue{background:#eff6ff;color:#2563eb}.feature-icon.green{background:#ecfdf5;color:#10b981}.feature-icon.orange{background:#fff7ed;color:#f97316}.feature-icon.purple{background:#f5f3ff;color:#8b5cf6}.feature-icon.rose{background:#fff1f2;color:#f43f5e}.feature-icon.cyan{background:#ecfeff;color:#06b6d4}.feature-card h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}.feature-card p{font-size:.95rem;color:var(--color-text-secondary);line-height:1.65}.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.scenario-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:40px 28px;text-align:center;transition:all var(--transition)}.scenario-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.scenario-icon{font-size:2.5rem;margin-bottom:16px}.scenario-card h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}.scenario-card p{font-size:.95rem;color:var(--color-text-secondary);line-height:1.65}.stats-bg{background:var(--color-bg-dark);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}.stat-item .stat-number{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;line-height:1;margin-bottom:8px}.stat-item .stat-number span{color:var(--color-primary-light)}.stat-item .stat-label{font-size:.95rem;color:#94a3b8}.cta{text-align:center;padding:120px 0}.cta h2{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}.cta p{font-size:1.15rem;color:var(--color-text-secondary);margin-bottom:32px}.footer{background:var(--color-bg-alt);border-top:1px solid var(--color-border);padding:60px 0 32px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid var(--color-border);margin-bottom:24px}.footer-brand .logo{margin-bottom:12px}.footer-brand p{font-size:.95rem;color:var(--color-text-secondary);line-height:1.65}.footer-col h4{font-size:.95rem;font-weight:700;margin-bottom:16px}.footer-col a{display:block;font-size:.9rem;color:var(--color-text-secondary);margin-bottom:10px;transition:color var(--transition)}.footer-col a:hover{color:var(--color-primary)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;font-size:.875rem;color:var(--color-text-light)}@media(max-width:1024px){.features-grid,.scenarios-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.hero h1{font-size:2.5rem}.section-title{font-size:2rem}.features-grid,.scenarios-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px;text-align:center}.nav{display:none}}