.container{margin:0 auto;max-width:100%;padding:0 16px;width:1200px}.text-left{text-align:left}.text-center{text-align:center}.text-right{text-align:right}.flex{display:flex}.flex-center{justify-content:center}.flex-between,.flex-center{align-items:center;display:flex}.flex-between{justify-content:space-between}.flex-wrap{flex-wrap:wrap}.flex-column{flex-direction:column}.grid{display:grid}.grid-2{gap:24px;grid-template-columns:repeat(2,1fr)}.grid-3{gap:24px;grid-template-columns:repeat(3,1fr)}.grid-4{gap:24px;grid-template-columns:repeat(4,1fr)}.mt-sm{margin-top:8px}.mt-md{margin-top:16px}.mt-lg{margin-top:24px}.mt-xl{margin-top:32px}.mb-sm{margin-bottom:8px}.mb-md{margin-bottom:16px}.mb-lg{margin-bottom:24px}.mb-xl{margin-bottom:32px}.pt-sm{padding-top:8px}.pt-md{padding-top:16px}.pt-lg{padding-top:24px}.pt-xl{padding-top:32px}.pb-sm{padding-bottom:8px}.pb-md{padding-bottom:16px}.pb-lg{padding-bottom:24px}.pb-xl{padding-bottom:32px}.section-title{color:#1e293b;font-size:32px;font-weight:600;margin-bottom:8px;text-align:center}.section-subtitle{color:#64748b;font-size:18px;margin-bottom:32px;text-align:center}.card{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;padding:24px;transition:all .3s ease}.card:hover{box-shadow:0 10px 15px #0000001a;transform:translateY(-2px)}.btn{align-items:center;border:none;border-radius:8px;cursor:pointer;display:inline-flex;font-size:16px;font-weight:500;justify-content:center;outline:none;padding:16px 32px;transition:all .3s ease}.btn-primary{background-color:#2563eb;color:#fff}.btn-primary:hover{background-color:#1e3a8f}.btn-secondary{background-color:#38bdf8;color:#fff}.btn-secondary:hover{background-color:#d97706}.btn-outline{background-color:transparent;border:2px solid #2563eb;color:#2563eb}.btn-outline:hover{background-color:#2563eb;color:#fff}.btn-white{background-color:transparent;border:2px solid #fff;color:#fff}.btn-white:hover{background-color:#fff;color:#2563eb}.btn-large{font-size:18px;padding:24px 48px}.btn-small{font-size:14px;padding:8px 24px}:root{--yd-color-primary:#2563eb;--yd-color-secondary:#38bdf8;--yd-text-color-primary:#1e293b;--yd-text-color-secondary:#64748b;--yd-text-color-light:#94a3b8;--yd-bg-base:#fff;--yd-bg-white:#fff;--yd-bg-light:#f8fafc;--yd-border-color:#e2e8f0;--yd-border-light:#f1f5f9;--yd-success-color:#10b981;--yd-warning-color:#38bdf8;--yd-error-color:#ef4444;--yd-info-color:#3b82f6}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:#fff;color:#1e293b;font-family:Microsoft YaHei,sans-serif;font-size:16px;line-height:1.5}a{color:inherit;text-decoration:none}img{display:block;height:auto;max-width:100%}li,ul{list-style:none}.el-carousel__container,.el-carousel__item{height:100%}#app-page{min-height:100vh;width:100%}