:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #dbeafe;--color-accent: #ef4444;--color-dark: #0f172a;--color-dark-card: #1e293b;--color-text: #334155;--color-text-light: #64748b;--color-text-muted: #94a3b8;--color-bg: #ffffff;--color-bg-alt: #f1f5f9;--color-border: #e2e8f0;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 4px 20px rgba(15, 23, 42, .1);--shadow-lg: 0 12px 40px rgba(15, 23, 42, .15);--radius: 12px;--radius-lg: 16px;--transition: .25s ease;--h5-max-width: 480px;--header-height: 56px;--web-header-height: 72px;--web-max-width: 1200px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit}.h5-page .container{width:100%;padding:0 16px}.h5-page .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition)}.h5-page .btn-primary{background:var(--color-primary);color:#fff}.h5-page .btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}.h5-page .btn-accent{background:var(--color-accent);color:#fff}.h5-page .btn-full{width:100%}.h5-page .section-title{font-size:1.25rem;font-weight:700;color:var(--color-dark);text-align:center;margin-bottom:24px}.web-container{width:100%;max-width:var(--web-max-width);margin:0 auto;padding:0 24px}@media(min-width:481px){body:has(.h5-page){background:#e2e8f0}}