:root{--bg: #ffffff;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--panel: #fafafa;--radius: 12px;--container: 1120px;--primary-cyan: #0ea5e9;--primary-purple: #8b5cf6;--brand-gradient: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);--text-main: #0f172a;--text-secondary: #475569;--text-light: #94a3b8;--card-bg: #ffffff;--card-border: rgba(0, 0, 0, .05);--card-shadow: 0 4px 12px rgba(0, 0, 0, .06)}*,*:before,*:after{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;background:var(--bg);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}main{min-height:100vh;display:flex;flex-direction:column}.section-hero{text-align:center;padding:32px 16px 8px}.section-hero .hero-title{font-size:32px;line-height:1.2;font-weight:700;margin:0 0 8px}.section-hero .hero-subtitle{font-size:16px;color:var(--text-secondary);margin:0}.section-feature{margin-top:16px}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;box-shadow:var(--card-shadow)}.card-title{font-size:18px;text-align:center;margin:0 0 12px}.feature-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:10px}.feature-grid li{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:10px 12px}.footer{margin-top:auto;text-align:center;color:var(--text-secondary);border-top:1px solid var(--card-border);padding:16px 12px 28px;background:var(--card-bg)}.footer p{margin:6px 0;font-size:13px}@media(min-width:768px){.section-hero .hero-title{font-size:40px}.section-hero .hero-subtitle{font-size:18px}.feature-grid{grid-template-columns:1fr 1fr}}.app[data-v-286e5915]{min-height:100vh;background:var(--bg)}