.svg-symbols{position:absolute;width:0;height:0;overflow:hidden}.ui-icon{width:22px;height:22px;flex:0 0 22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.feature-item>.ui-icon{color:#12a4ff}.logo{width:140px;height:50px;object-fit:contain}.hero-content,.hero-image{min-width:0}.hero-image img{display:block;width:100%;object-fit:contain}.ip-highlight-item .ui-icon{width:17px;height:17px;flex-basis:17px;margin-right:8px;color:#304869}.ip-feature-icon .ui-icon{width:22px;height:22px}.home-news{padding:80px 0;background:#fff}.home-news-list{grid-template-columns:repeat(3,minmax(0,1fr))}.news-more{text-align:center;margin-top:30px}.news-more a{color:#4d74aa;text-decoration:none}.ip-footer{padding-bottom:24px}.ip-footer a{color:#d1d5db;text-decoration:none}.ip-legal-info a{color:#9ca3af}.police-link{display:inline-flex;align-items:center;gap:5px}.footer-qr-button{padding:0;border:0;background:white;cursor:pointer;border-radius:3px}.footer-qr{display:block;width:100px;height:auto}.contact-text{font:inherit;color:inherit;border:0;background:none;padding:0;text-align:left;cursor:pointer}.contact-text:hover{text-decoration:underline}.contact-rail{position:fixed;right:20px;bottom:175px;z-index:1100;display:flex;flex-direction:column;gap:15px}.contact-rail button{width:50px;height:50px;border:0;border-radius:50%;color:white;display:grid;place-items:center;cursor:pointer;box-shadow:0 3px 8px #0002}.contact-rail .ui-icon{width:25px;height:25px}.rail-qq{background:#10b6e8}.rail-wechat{background:#00c462}.contact-dialog,.image-dialog{border:0;border-radius:10px;padding:30px;max-width:calc(100% - 32px);max-height:calc(100vh - 32px);margin:auto;box-shadow:0 20px 80px #0006;color:#333}.contact-dialog{width:360px}.contact-dialog::backdrop,.image-dialog::backdrop{background:#000a}.contact-dialog h2{font-size:24px;margin:0 0 20px;color:#304869}.contact-dialog-body p{margin:10px 0}.contact-dialog-body a{color:#4d74aa}.contact-dialog-body img{display:block;width:220px;max-width:100%;margin:20px auto 10px}.dialog-close{position:absolute;right:8px;top:4px;border:0;background:none;font-size:29px;line-height:1.2;color:#555;cursor:pointer;padding:5px}.image-dialog{padding:32px 16px 14px;width:max-content;background:#fff}.image-dialog>img{display:block;max-width:min(1200px,calc(100vw - 64px));max-height:calc(100vh - 110px);object-fit:contain}.image-dialog>p{text-align:center;margin-top:10px;font-size:13px}.zoomable{cursor:zoom-in}.ip-pricing-card .ip-price-row b{font:inherit}.bangzhu-search-button{font:inherit}.help-category{font:inherit;font-weight:500;color:#555;border:0;background:none;padding:8px 0;cursor:pointer;margin:0 20px 15px 0}.help-category.active{color:#4d74aa;border-bottom:2px solid #4d74aa}.help-empty{padding:30px;text-align:center;color:#666;border:1px solid #eee;margin-bottom:40px}.help-empty[hidden]{display:none}.bangzhu-help-center{padding-bottom:60px}.bangzhu-item[hidden]{display:none}.neirong-content-wrapper{padding-bottom:40px}.neirong-body figure{margin:25px 0}.neirong-body figure img{display:block;margin:20px 0 8px}.neirong-body figcaption{font-size:13px;color:#777;margin-bottom:25px;line-height:1.6}.neirong-body a{color:#4d74aa;text-decoration:none}.neirong-body a:hover{text-decoration:underline}.neirong-body code{background:#f1f3f6;border-radius:3px;padding:2px 5px;overflow-wrap:anywhere}.article-register{display:inline-block;background:#4d74aa;color:white!important;padding:9px 18px;border-radius:4px}.neirong-navigation>a{color:#4d74aa;text-decoration:none}.neirong-body h3[id]{scroll-margin-top:100px}
@media(max-width:992px){.hero-image{width:100%}.hero-image img{max-width:560px}.home-news-list{grid-template-columns:repeat(2,minmax(0,1fr))}.ip-highlights{justify-content:center}}
@media(max-width:576px){.hero-image img{width:350px;max-width:100%}.ip-overview{gap:30px}.ip-highlights{gap:10px}.ip-highlight-item{font-size:13px;padding:8px 10px}.home-news-list{grid-template-columns:1fr}.home-news{padding:55px 0}.contact-rail{right:5px;bottom:110px}.contact-rail button{width:45px;height:45px}.contact-rail .ui-icon{width:23px;height:23px}.bangzhu-subnav{flex-direction:row}.help-category{font-size:14px;margin-right:18px}.neirong-content-wrapper{padding-left:0;padding-right:0}.neirong-container{padding:0 20px}.neirong-meta-left{flex-wrap:wrap;gap:8px 18px}.image-dialog{padding:32px 8px 10px}.image-dialog>img{max-width:calc(100vw - 48px)}.ip-pricing-card .ip-card-title{font-size:18.88px}}
.bangzhu-search-input{height:40px}.bangzhu-search-button{height:40px;flex:0 0 69px;justify-content:center;white-space:nowrap;font-size:14.4px}.help-category{position:relative;border-bottom:0}.help-category.active{border-bottom:0}.help-category.active::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:#4d74aa}
@media(max-width:992px){}
@media(max-width:768px){.neirong-content-wrapper{padding:0 15px 40px}.neirong-container{padding:0}}
@media(max-width:576px){body:has(.ip-pricing) .contact-rail{display:none}}
.ip-product-intro,.ip-footer{content-visibility:visible;contain-intrinsic-size:none}
@media(max-width:576px){body:not(:has(.hero-section)) .contact-rail{display:none}}

/* Shared customer service controls: recognizable channel icons and labels. */
.contact-rail[hidden]{display:none}
.contact-rail button{position:relative;padding:0;transition:box-shadow .18s ease,background-color .18s ease}
.contact-rail img,.contact-channel-icon img{display:block;width:30px;height:30px;object-fit:contain;filter:brightness(0) invert(1);pointer-events:none}
.contact-rail .rail-qq:hover{background:#079fce}
.contact-rail .rail-wechat:hover{background:#00ad57}
.contact-rail button:hover{box-shadow:0 4px 14px #0003}
.contact-rail button:focus-visible,.contact-action:focus-visible,.dialog-close:focus-visible{outline:3px solid #4d74aa;outline-offset:4px}
.rail-label{position:absolute;right:calc(100% + 12px);top:50%;transform:translate(5px,-50%);padding:7px 12px;border-radius:5px;background:#fff;color:#304869;box-shadow:0 3px 14px #0002;font-size:14px;font-weight:500;line-height:22px;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.rail-label::after{content:'';position:absolute;left:100%;top:50%;margin-top:-5px;border:5px solid transparent;border-left-color:#fff}
.contact-rail button:hover .rail-label,.contact-rail button:focus-visible .rail-label{opacity:1;visibility:visible;transform:translate(0,-50%)}
.contact-dialog{padding:30px;width:360px;box-sizing:border-box}
.contact-dialog [hidden]{display:none}
.contact-dialog-header{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.contact-dialog-header h2{margin:0;font-size:22px;line-height:1.4}
.contact-channel-icon{width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;border-radius:50%}
.contact-channel-icon img{width:26px;height:26px}
.contact-channel-icon[data-channel="qq"]{background:#10b6e8}
.contact-channel-icon[data-channel="wechat"]{background:#00c462}
.contact-dialog-body .contact-hint{font-size:14px;line-height:1.7;color:#6b7280;margin:0 0 12px}
.contact-dialog-body .contact-account{font-size:26px;font-weight:600;letter-spacing:1px;color:#304869;margin:12px 0 20px}
.contact-dialog-body .contact-action{display:flex;align-items:center;justify-content:center;min-height:44px;padding:10px 12px;box-sizing:border-box;border-radius:6px;background:#10a8d6;color:#fff;font-size:15px;text-decoration:none}
.contact-dialog-body .contact-action:hover{background:#0795c1}
.contact-dialog-body .contact-wechat-qr{width:200px;height:auto;margin:16px auto 10px}
.contact-dialog-body .contact-qr-caption{text-align:center;font-size:13px;color:#6b7280}
.contact-dialog-body .contact-phone{border-top:1px solid #e5e7eb;padding-top:16px;margin:20px 0 0;font-size:14px;color:#6b7280}
@media(max-width:576px){.contact-rail{right:12px}.contact-rail img{width:27px;height:27px}.contact-dialog{padding:24px}}
@media(prefers-reduced-motion:reduce){.contact-rail button,.rail-label{transition:none}}