:root{--font-size-xxl: 42px;--font-size-xl: 40px;--font-size-lg: 32px;--font-size-md: 24px;--font-size-md-s: 20px;--font-size: 18px;--font-size-sm: 16px;--font-size-xs: 14px;--font-size-28: 28px;--gap-lg: 80px;--gap-md: 40px;--gap-base: 20px;--gap-xs: 10px;--gap-8: 8px;--gap-12: 12px;--gap-16: 16px;--gap-18: 18px;--gap-24: 24px;--gap-30: 30px;--gap-32: 32px;--b-radius-lg: 100px;--b-radius-md: 30px;--b-radius-sm: 12px;--nav-height: 72px;--sub-nav-height: 72px;--promotion-hd-height: 64px;--nav-height-us: 82px;--primary-color: #00a9f0;--primary-hover-color: #1ab2f2;--border-primary-color: #b4e9ff}@media (max-width:1200px){:root{--nav-height: 46px;--sub-nav-height: 64px;--promotion-hd-height: 64px;--nav-height-us: 52px}}@media (max-width:640px){:root{--font-size-xxl: 28px;--font-size-xl: 24px;--font-size-lg: 18px;--font-size-md: 18px;--font-size-md-s: 16px;--font-size: 16px;--font-size-sm: 14px;--font-size-xs: 12px;--font-size-28: 20px;--gap-lg: 56px;--gap-md: 28px;--gap-base: 16px;--gap-xs: 10px;--gap-8: 8px;--gap-12: 12px;--gap-16: 12px;--gap-18: 12px;--gap-24: 18px;--gap-30: 20px;--gap-32: 20px;--b-radius-lg: 80px;--b-radius-md: 20px;--b-radius-sm: 8px}}@media (max-width:414px){:root{--font-size-28: 14px}}.icon_dvdfab13_logo,.icon_logo,.icon_nav_off_tag{background:url(https://c5.dvdfab.cn/images/cn/commone_sprite/1x_m/icon_9035.png?t=96602464853788) no-repeat;background-size:14.25rem 10.625rem;display:inline-block}.icon_dvdfab13_logo{background-position:0 0;height:6.25rem;width:6.25rem}.icon_logo{background-position:-7.5rem 0;height:2.25rem;width:6.75rem}.icon_nav_off_tag{background-position:0 -7.5rem;height:3.125rem;width:3.125rem}.m_menu,.menu_close,.menu_jia,.menu_jian,.nav_download,.sale{background:url(https://c4.dvdfab.cn/images/cn/commone_sprite/3x_s/icon_6779.png?t=75904047381615) no-repeat;background-size:5.738rem 3.714rem;display:inline-block}.m_menu{background-position:0 -2.238rem;height:1.476rem;width:1.643rem}.menu_close{background-position:-2.119rem -2.238rem;height:1.452rem;width:1.5rem}.menu_jia{background-position:-4.81rem 0;height:.929rem;width:.929rem}.menu_jian{background-position:-4.81rem -1.405rem;height:.071rem;width:.929rem}.nav_download{background-position:-2.405rem 0;height:1.738rem;width:1.929rem}.sale{background-position:0 0;height:1.762rem;width:1.929rem}#navBarMobile{display:none}@media (max-width:768px){#NavBar{display:none}#navBarMobile{display:block}}