:root{--color-primary:#4c32df;--color-primary-2:#6b5cff;--color-primary-dark:#211768;--color-text:#1f2440;--color-muted:#7b819b;--color-soft:#f5f7ff;--color-line:#e8ebf5;--container:1200px;--wide-container:1405px;font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--color-text);background:#fff;font-size:16px}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.page{overflow:hidden}.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}.wide-container{width:min(var(--wide-container),calc(100% - 48px));margin:0 auto}.section{padding:88px 0}.section--tight{padding:64px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 28px;border:0;border-radius:8px;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-2));color:#fff;font-weight:600;box-shadow:0 10px 22px #4c32df33}.btn--ghost{color:var(--color-primary);box-shadow:none}.btn--ghost,.card{background:#fff;border:1px solid var(--color-line)}.card{border-radius:8px;box-shadow:0 10px 30px #3943700f}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:768px){.container,.wide-container{width:min(100% - 32px,var(--container))}.section{padding:56px 0}}