html.whitepage,html.whitepage body{background-color:#fff}html.whitepage .pagelinkbox-pagelink{color:#fff}html.whitepage .hd-left{background-image:url("../images/logo_color-b.svg");background-size:100% 100%}html.whitepage .hd-left img{opacity:0}html.whitepage .hd-right .co-icon-earth,html.whitepage .hd-right_pagelink,html.whitepage .in_detialtitle,html.whitepage .in_subtitle,html.whitepage .in_title{color:#061318}@media print,screen and (max-width:63.99875em){html.whitepage .hd-right{background-color:rgba(255,255,255,.95)}html.whitepage .pagelinkbox-pagelink{color:#061318}html.whitepage .hd-right_pagelink{border-bottom:.0625rem solid rgba(6,19,24,.5)}html.whitepage .hd-right .language-btn{border:.0625rem solid #061318;color:#061318}}html.whitepage .hd .menu-line{background-color:#061318}html.whitepage .hd.is-open,html.whitepage .hd.scroll-top{background-color:rgba(255,255,255,.95)}html.whitepage .pf-kv::after{background:linear-gradient(to bottom,rgba(123,251,198,.15),rgba(123,251,198,0))}.ring-guide{background:#fff;color:#333}.ring-guide .ct_ctr{padding:0}.ring-logo{padding:140px 20px 30px}.flex{display:flex;justify-content:space-between;align-items:center}.ring-slogan{padding-left:40px;font-size:5rem;font-weight:700;color:#1d1d1d}.ring-subtitle,.ring-title{font-weight:600}.step-img{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;padding:20px 0}.step-img.pb{padding:20px 0 0}.ring-title{margin-top:20px;margin-bottom:20px;color:#1d1d1d}.spec-list,.text-semibold{margin-bottom:0}.section-block{padding:30px 0;border-top:1px dashed #000}.user-guide-page.section-block{border-top:none;padding-top:0}.section-heading{margin-bottom:0;font-weight:700}.section-title-doc{font-size:2.25rem;font-weight:700}.section-subtitle-doc{font-size:1.25rem;font-weight:700}.section-body{line-height:2}.spec-body ul{list-style:none;padding:0}.spec-body li{margin-bottom:5px;padding-left:24px;position:relative}.spec-body li:before{content:"•";position:absolute;left:0;font-weight:700}.text-semibold{font-weight:600}@media screen and (min-width:75em) and (max-width:89.99875em){.ring-slogan{font-size:4rem;padding-left:30px}.logo img{max-width:130px}}@media print,screen and (min-width:64em) and (max-width:74.99875em){.ring-slogan{font-size:3.5rem;padding-left:25px}.ring-title{font-size:2.5rem}.logo img{max-width:110px}}@media print,screen and (min-width:40.0625em) and (max-width:63.99875em){.ring-slogan{font-size:2.5rem;padding-left:20px}.spec-body li{margin-bottom:0}.logo img{max-width:90px}.ring-logo{padding:80px 0 30px}.section-title-doc{font-size:1.25rem}.section-subtitle-doc{font-size:.975rem}}@media print,screen and (max-width:40.06125em){.ring-guide{font-size:.875rem}.ring-slogan{font-size:1.5rem;padding-left:15px}.section-block{padding:15px 0 10px}.ring-logo{padding:80px 0 15px}.ring-title{line-height:1.25;font-size:1.25rem}.spec-body li{margin-bottom:0}.spec-body a{word-break:break-all}.logo img{max-width:70px}.section-title-doc{font-size:1.25rem;font-weight:700}.section-subtitle-doc{font-size:.975rem;font-weight:700}}