.center[data-v-0309fc89]{margin:0 auto;width:1200px}.active[data-v-0309fc89]{border-bottom:3px solid #0078ff;color:#0078ff}.banner[data-v-0309fc89]{background:url(https://static.ppkao.com/www/images/banner.png) no-repeat;height:550px;margin:0 auto;max-width:1920px;opacity:var(--bg-opacity)}.btn-box[data-v-0309fc89]{display:flex;padding-top:364px}.btn-box a[data-v-0309fc89]{cursor:pointer}.btn-box a span[data-v-0309fc89]{margin-left:12px}.windows[data-v-0309fc89]{background-color:#0078ff;color:#fff;width:200px}.mac[data-v-0309fc89],.windows[data-v-0309fc89]{align-items:center;border-radius:6px;display:flex;height:50px;justify-content:center}.mac[data-v-0309fc89]{background-color:#fff;color:#000;margin-left:10px;width:150px}.line[data-v-0309fc89]{border-top:2px dashed var(--download-line-color);margin-top:44px}.tips[data-v-0309fc89]{display:flex;justify-content:space-around;padding:66px 108px}.tip-item[data-v-0309fc89]{align-items:center;display:flex;flex-direction:column;justify-content:center}.tip-item img[data-v-0309fc89]{opacity:var(--bg-opacity);width:-moz-fit-content;width:fit-content}.span-bold[data-v-0309fc89]{color:var(--primary-text-color);font-size:24px;font-weight:700;padding:46px 0 28px}.span-fine[data-v-0309fc89]{color:#768089;font-size:18px;font-weight:400;height:47px;line-height:30px;text-align:center}.footer[data-v-0309fc89]{background-color:#10181f;padding-top:28px}.footer[data-v-0309fc89],.footer a[data-v-0309fc89]{color:#ffffff80}.footer a[data-v-0309fc89]{text-decoration:none}.middle[data-v-0309fc89]{padding:26px 0}.jiange[data-v-0309fc89]{margin:0 20px}