html{scroll-behavior:smooth}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--secondary:#06b6d4;--accent:#f59e0b;--success:#10b981;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-card:#fff;--border:#e2e8f0;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 16px #0000001a;--shadow-lg:0 10px 40px #0000001f;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:32px;--transition:.25s ease;--font-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul,ol{list-style:none}input,textarea,button{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.container{max-width:1200px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-label{letter-spacing:.1em;text-transform:uppercase;color:var(--primary);background:#6366f114;border-radius:100px;margin-bottom:16px;padding:4px 12px;font-size:12px;font-weight:600;display:inline-block}.section-title{color:var(--text-primary);margin-bottom:16px;font-size:2.25rem;font-weight:800;line-height:1.2}.section-subtitle{color:var(--text-secondary);max-width:560px;font-size:1.125rem;line-height:1.7}.text-center{text-align:center}.text-center .section-subtitle{margin:0 auto}.gradient-text{background:linear-gradient(135deg,var(--primary)0%,var(--secondary)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn{cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;border-radius:100px;align-items:center;gap:8px;padding:12px 28px;font-size:15px;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg,var(--primary)0%,var(--primary-dark)100%);color:#fff;box-shadow:0 4px 15px #6366f166}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #6366f180}.btn-primary:active{transform:translateY(0)}.btn-outline{color:var(--primary);border:2px solid var(--primary);background:0 0}.btn-outline:hover{background:var(--primary);color:#fff}.btn-ghost{color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3}.btn-ghost:hover{background:#fff3}.btn-lg{padding:16px 36px;font-size:16px}.btn-sm{padding:8px 20px;font-size:13px}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);transition:all var(--transition)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}@media (max-width:768px){.section{padding:56px 0}.section-title{font-size:1.75rem}.section-subtitle{font-size:1rem}.container{padding:0 16px}.btn-lg{padding:14px 28px;font-size:15px}}.back-top{background:var(--primary);color:#fff;cursor:pointer;z-index:50;border:none;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;transition:all .25s;display:flex;position:fixed;bottom:32px;right:24px;box-shadow:0 4px 16px #6366f166}.back-top:hover{transform:translateY(-3px);box-shadow:0 8px 24px #6366f180}.fade-enter-active,.fade-leave-active{transition:opacity .3s,transform .3s}.fade-enter-from,.fade-leave-to{opacity:0;transform:translateY(10px)}@media (max-width:768px){.back-top{width:40px;height:40px;bottom:20px;right:16px}}