:root{--color-primary: #1677ff;--color-primary-hover: #4096ff;--color-dark: #001529;--color-dark-light: #003a8c;--color-text: #262626;--color-text-secondary: #595959;--color-text-muted: #8c8c8c;--color-border: #e8e8e8;--color-bg: #ffffff;--color-bg-light: #f5f7fa;--color-bg-card: #ffffff;--gradient-hero: linear-gradient(160deg, #001529 0%, #003a8c 100%);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--font-family: "Rubik", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--max-width: 1200px;--nav-height: 64px}*,*: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:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.6}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;transition:all .2s ease;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff}.btn-outline-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}.btn-outline-white:hover{background:#ffffff1a;border-color:#fff}.btn-lg{padding:14px 32px;font-size:16px}.section-title{font-size:32px;font-weight:700;color:var(--color-text);text-align:center;margin-bottom:12px}.section-subtitle{font-size:16px;color:var(--color-text-secondary);text-align:center;max-width:560px;margin:0 auto 48px}@media (max-width: 768px){.container{padding:0 16px}.btn-lg{padding:12px 24px;font-size:15px}.section-title{font-size:26px}.section-subtitle{font-size:15px;margin-bottom:32px}}