*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1a73e8;--color-primary-dark: #1557b0;--color-accent: #e8470a;--color-bg: #ffffff;--color-bg-card: #ffffff;--color-bg-section: #f5f7fb;--color-text: #1a1d2e;--color-text-muted: #6b7280;--color-border: #e2e6ef;--color-highlight: #1a73e8;--radius: 12px;--max-width: 1100px}html{scroll-behavior:smooth}body{font-family:Segoe UI,Apple SD Gothic Neo,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;font-size:16px}.app{width:100%}section{padding:80px 24px}.container{max-width:var(--max-width);margin:0 auto}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:48px;color:var(--color-text)}.section-title span{color:var(--color-primary)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}@media(max-width:768px){section{padding:60px 16px}.section-title{font-size:1.5rem}}