.base-header{padding-top:64px}.base-header .header-wrapper{background:#FFF}.video-extension-page img{height:auto}.video-extension-page .base-download-button{display:flex}.video-extension-page .base-download-button .download{min-width:142px;height:48px}main.video-extension-page h2{font-size:44px;text-align:center}main.video-extension-page h2+.desc{max-width:760px;margin:12px auto 60px;color:rgba(42,48,72,.72);font-size:18px;font-weight:500;text-align:center}.video-extension-page .top-banner{position:relative;z-index:93;padding:96px 0 140px;background:linear-gradient(180deg,#E8E7FF 6%,#F9EDFF 26.89%,#FFFFFF 100%);background-size:100% 1080px;background-repeat:no-repeat;color:#071333}.video-extension-page .top-banner .base-maxwidth{display:block;max-width:100%;padding:0 14px}.video-extension-page .top-banner .content{position:static;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;width:100%;max-width:980px;height:auto;margin:0 auto 46px;padding:0;text-align:center}.video-extension-page .top-banner h1{display:block;max-width:980px;margin:0;color:var(--color-block-drak);font-size:56px;font-weight:700;line-height:1.2;text-shadow:none}.video-extension-page .top-banner h1 span{-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-image:linear-gradient(105deg,#5CFFF5 6.9%,#685BFF 35.29%,#B124F3 69.41%)}.video-extension-page .top-banner h1::before{content:none}.video-extension-page .top-banner .desc{display:block;max-width:760px;margin:18px auto 26px;color:rgba(42,48,72,.76);font-size:18px;font-weight:500;line-height:1.6;text-shadow:none}.video-extension-page .top-banner .content>.video-btn{display:none}.video-extension-page .video-btn{position:relative;z-index:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:236px;height:56px;margin:0 auto;padding:12px 24px;border:0;border-radius:12px;background:linear-gradient(102.67deg,#5CFFF5 2.47%,#685BFF 39.92%,#B124F3 90.82%);color:#FFF;box-shadow:0 14px 28px rgba(104,91,255,.24);font-size:18px;font-weight:700;line-height:1;transition:all .2s}.video-extension-page .video-btn::before{position:absolute;z-index:-1;inset:0;border-radius:inherit;background:linear-gradient(102.67deg,#5CFFF5 12.47%,#685BFF 76.92%,#B124F3 90.82%);content:"";opacity:0;transition:opacity .3s}.video-extension-page .video-btn:hover::before{opacity:1}.video-extension-page .video-btn svg{width:20px;height:20px;color:currentColor}.text-video-use,.audience-section,.youtube-recommend{padding-bottom:140px}.text-video-use{background:var(--color-white-lighter)}.text-video-use h2{margin:0 auto}.text-video-use .content-item{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;margin-bottom:120px}.text-video-use .content-item:last-child{margin-bottom:0}.text-video-use .text{max-width:538px;width:calc(50% - 27px)}.text-video-use .text h3{color:#071333;font-size:36px;font-weight:700;line-height:1.24}.text-video-use .img{max-width:666px;width:50%;overflow:hidden;border-radius:20px;text-align:center}.text-video-use .img video{display:block;width:100%;height:auto;border-radius:20px;background:#D8DDEB;transition:transform .2s linear}.text-video-use .img:hover video{transform:scale(1.04)}.text-video-use .base-download-button{justify-content:flex-start}.audience-section{padding-top:110px;background:#FFF}.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.audience-card{min-width:0;padding:28px;border:1px solid rgba(104,91,255,.1);border-top:4px solid #685BFF;border-radius:8px;background:linear-gradient(145deg,#FFFFFF 18%,#F2F0FF 100%)}.audience-card:nth-child(2){border-top-color:#F27A64;background:linear-gradient(145deg,#FFFFFF 18%,#FFF1EE 100%)}.audience-card:nth-child(3){border-top-color:#B124F3;background:linear-gradient(145deg,#FFFFFF 18%,#F9EFFF 100%)}.audience-card h3{color:#071333;font-size:22px;line-height:1.3}.audience-card p{margin-top:14px;color:rgba(42,48,72,.72);font-size:16px;line-height:1.62}.youtube-card h3{color:#071333;font-size:24px;line-height:1.28}.youtube-recommend{padding-top:110px;background:#F4F7FF}.youtube-card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}.youtube-card{position:relative;display:block;min-width:0;border:1px solid rgba(104,91,255,.12);border-radius:20px;background:#FFF;color:inherit;text-decoration:none;overflow:hidden;box-shadow:0 14px 34px rgba(43,57,97,.07)}.youtube-card{width:100%;padding:0;font:inherit;text-align:left;cursor:pointer}.youtube-thumb{display:block;aspect-ratio:16 / 9;overflow:hidden;background:#D8DDEB}.youtube-thumb{position:relative}.youtube-thumb picture{display:block;width:100%;height:100%}.youtube-card img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .2s linear}.youtube-card:hover img{transform:scale(1.05)}.youtube-card .play-button{position:absolute;top:50%;left:50%;width:68px;height:68px;background:url(https://images.chatartpro.com/chatartwebjp/assets/article/blog/video.svg) center / contain no-repeat;transform:translate(-50%,-50%)}.youtube-video-dialog{display:none}.youtube-video-dialog .mask,.youtube-video-dialog .dialog{position:fixed;inset:0}.youtube-video-dialog .mask{z-index:99;background:rgba(0,0,0,.4)}.youtube-video-dialog .dialog{z-index:100;display:flex;padding:20px;pointer-events:none}.youtube-video-dialog .content{position:relative;width:min(960px, 100%);margin:auto;border-radius:12px;background:#FFF;overflow:hidden;pointer-events:auto}.youtube-video-dialog .close-icon{position:absolute;top:8px;right:10px;z-index:1;width:36px;height:36px;border:0;border-radius:50%;background:rgba(7,19,51,.72);color:#FFF;font-size:28px;line-height:32px;cursor:pointer}.youtube-video-dialog .video-wrap{aspect-ratio:16 / 9}.youtube-video-dialog iframe{display:block;width:100%;height:100%;border:0}.youtube-card h3{padding:20px 22px 24px;font-size:18px}.video-extension-page .howto-container{padding-bottom:140px}.video-extension-page .howto-container h2+.desc{margin-bottom:60px}.video-extension-page .howto-container .howto-box{display:flex;flex-wrap:wrap;justify-content:space-between}.video-extension-page .howto-container .howto-item{width:calc(100% / 3 - 14px);max-width:432px;margin-bottom:40px;text-align:center}.video-extension-page .howto-container .howto-item picture{display:block;overflow:hidden;border-radius:20px}.video-extension-page .howto-container .howto-item .img{width:100%;aspect-ratio:432 / 280;object-fit:cover}.video-extension-page .howto-container .howto-item h3{margin:20px 0 8px;font-size:18px;line-height:1.5}.video-extension-page .howto-container .howto-item .desc{color:rgba(42,48,72,.72);font-size:15px;line-height:1.55}.video-extension-page .howto-container .base-flex{display:flex;justify-content:center}.video-extension-page .faq-container{padding:0 14px 140px}.video-extension-page .faq-container .base-maxwidth{display:flex;justify-content:space-between;max-width:1400px;padding:60px;border-radius:24px;background:#F3FAFF}.video-extension-page .faq-container .left{padding:0 20px 0 40px}.video-extension-page .faq-container .left h2{margin:0;font-size:56px;text-align:left}.video-extension-page .faq-container .left .desc{max-width:340px;margin:8px 0 20px;color:#2F353F;text-align:left}.video-extension-page .faq-container .right{width:65%;max-width:744px}.video-extension-page .faq-container .faq-item{padding:20px 0;border-top:1px solid rgba(0,0,0,.06)}.video-extension-page .faq-container .faq-title{display:flex;justify-content:space-between;font-size:22px;cursor:pointer}.video-extension-page .faq-container .faq-title svg{min-width:24px;min-height:24px;margin:5px 0 0 10px;transition:all .3s}.video-extension-page .faq-container .faq-content{display:none;margin-top:8px;padding-right:30px}.video-extension-page .faq-container .faq-item.active .faq-title svg{transform:rotate(-45deg)}.video-extension-page .bottom-banner{color:var(--color-white)}.video-extension-page .bottom-banner .base-maxwidth{position:relative;display:flex;max-width:100%;padding:0}.video-extension-page .bottom-banner .content{position:absolute;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;padding:14px;background:linear-gradient(0deg,rgba(0,0,0,.2) 0%,rgba(0,0,0,.2) 100%)}.video-extension-page .bottom-banner .desc{margin-bottom:46px;color:var(--color-white)}.video-extension-page .bottom-banner .banner-video{width:100%;height:480px;object-fit:cover}.video-extension-page .howto-container{padding-top:110px;padding-bottom:140px}.video-extension-page .bottom-banner .content{background:linear-gradient(0deg,rgba(0,0,0,.35) 0%,rgba(0,0,0,.35) 100%)}.video-extension-page .faq-container{padding-top:140px}@media(max-width:1100px){.video-extension-page .faq-container{padding:120px 0 100px}.video-extension-page .faq-container .base-maxwidth{padding:60px 30px;border-radius:0}.video-extension-page .faq-container .left{padding-left:0}.video-extension-page .bottom-banner .desc{margin-bottom:26px}main.video-extension-page h2{font-size:36px}.text-video-use .text h3{font-size:30px}.audience-grid{grid-template-columns:repeat(2,1fr)}.video-extension-page .howto-container .howto-box{flex-wrap:nowrap;justify-content:flex-start;gap:16px;padding:0 14px 8px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}.video-extension-page .howto-container .howto-box::-webkit-scrollbar{display:none}.video-extension-page .howto-container .howto-item{flex:0 0 82%;width:auto;max-width:none;margin:0;scroll-snap-align:center}}@media(max-width:992px){.video-extension-page .faq-container{padding-top:80px}.video-extension-page .faq-container .base-maxwidth{padding:32px 24px}.video-extension-page .faq-container .left h2{font-size:36px}.video-extension-page .faq-container .left .desc{margin-top:4px;font-size:14px}.video-extension-page .faq-container .faq-title{font-size:16px;font-weight:600}.video-extension-page .faq-container .faq-title svg{margin-top:0}.video-extension-page .faq-container .faq-content p{font-size:14px}.video-extension-page .faq-container .faq-item{padding:12px 0}.base-header{padding-top:0}main.video-extension-page h2{font-size:28px}main.video-extension-page h2+.desc{margin-bottom:28px;font-size:14px}.video-extension-page .top-banner{padding:78px 14px 70px}.video-extension-page .top-banner h1{font-size:28px}.video-extension-page .top-banner .desc{font-size:16px}.text-video-use,.audience-section,.youtube-recommend,.video-extension-page .howto-container{padding-bottom:70px}.youtube-recommend,.audience-section{padding-top:70px}.video-extension-page .howto-container{padding-top:70px}.youtube-card-grid{grid-template-columns:1fr;gap:14px}.text-video-use .content-item{display:flex;flex-direction:column;gap:22px;margin-bottom:70px}.text-video-use .text,.text-video-use .img{width:100%;max-width:none}.text-video-use .text h3{font-size:21px}}@media(max-width:567px){.video-extension-page .faq-container{padding-top:60px}.video-extension-page .faq-container .base-maxwidth{flex-wrap:wrap;padding:24px 14px}.video-extension-page .faq-container .left{width:100%;padding:0}.video-extension-page .faq-container .right{width:100%;max-width:100%;margin-top:24px}.audience-grid{grid-template-columns:1fr}.audience-card{padding:22px}.video-extension-page .top-banner .content{height:auto;margin-bottom:10px}.text-video-use .content-item{gap:16px;margin-bottom:48px}.text-video-use .base-download-button .download{width:100%}.youtube-card .play-button{width:60px;height:60px}}.video-extension-page{color:#071333;background:#FFF;overflow:hidden}.video-extension-page .top-banner{padding-bottom:90px}.video-extension-page .top-banner .content{margin-bottom:38px}.video-extension-page .top-banner .content>.video-btn{display:inline-flex}.extension-preview{max-width:1080px;margin:0 auto;border-radius:24px;background:#111827;overflow:hidden}.extension-preview video{display:block;width:100%;height:auto;aspect-ratio:47 / 27;background:#111827;object-fit:cover}.capability-list{margin:18px 0 24px;padding:0;list-style:none}.capability-list li{padding:16px 0;border-bottom:1px solid rgba(104,91,255,.12)}.capability-list li:first-child{padding-top:0}.capability-list li:last-child{padding-bottom:0;border-bottom:0}.capability-list strong,.capability-list span{display:block}.capability-list strong{margin-bottom:5px;font-size:18px}.capability-list span{color:rgba(42,48,72,.72);font-size:15px;line-height:1.55}.video-extension-page .audience-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.video-extension-page .audience-card{display:flex;flex-direction:column;padding:0;border:0;border-radius:0;background:none}.audience-media{margin:0;aspect-ratio:16 / 10;border-radius:8px;background:#111827;overflow:hidden}.audience-media video{display:block;width:100%;height:100%;object-fit:cover}.audience-card-body{padding:20px 4px 0}.audience-card-body>span{color:#685BFF;font-size:14px;font-weight:700}.video-extension-page .audience-card h3{margin-top:8px;font-size:24px;line-height:1.35}.video-extension-page .audience-card p{margin-top:12px;font-size:17px}.video-extension-page .audience-card p strong{color:#071333}.extension-input-guide,.extension-explore-tools,.extension-blog-guide{padding:110px 0 140px}.extension-input-guide{background:#F4F7FF}.input-guide-layout{display:grid;grid-template-columns:repeat(4,minmax(210px,280px));grid-auto-rows:1fr;align-items:stretch;justify-content:space-between;gap:28px;margin-top:52px;padding-bottom:52px}.input-guide-item{display:flex;flex-direction:column;align-items:center;min-width:0;padding:38px 28px 30px;border:1.5px solid #AFC2FF;border-radius:24px;background:radial-gradient(120% 82% at 50% 112%,rgba(91,91,255,.32) 0%,rgba(120,118,255,.14) 48%,rgba(255,255,255,0) 76%),#FCFDFF;box-sizing:border-box;text-align:center}.input-guide-item:nth-child(2){position:relative;top:52px;border-color:#8CCAFF;background:radial-gradient(120% 82% at 50% 112%,rgba(60,172,255,.3) 0%,rgba(115,199,255,.13) 48%,rgba(255,255,255,0) 76%),#FCFDFF}.input-guide-item:nth-child(3){border-color:#AABEFF;background:radial-gradient(120% 82% at 50% 112%,rgba(92,116,255,.3) 0%,rgba(143,140,255,.13) 48%,rgba(255,255,255,0) 76%),#FCFDFF}.input-guide-item:nth-child(4){position:relative;top:52px;border-color:#8CCAFF;background:radial-gradient(120% 82% at 50% 112%,rgba(60,172,255,.3) 0%,rgba(115,199,255,.13) 48%,rgba(255,255,255,0) 76%),#FCFDFF}.input-guide-icon{display:flex;align-items:center;justify-content:center;height:64px;color:#685BFF;filter:drop-shadow(0 7px 9px rgba(84,103,255,.22))}.input-guide-item:nth-child(2) .input-guide-icon,.input-guide-item:nth-child(4) .input-guide-icon{color:#28AEEB}.input-guide-item:nth-child(3) .input-guide-icon{color:#536FFF}.input-guide-icon svg{width:62px;height:62px}.input-guide-item h3{margin-top:20px;font-size:24px;line-height:1.35}.input-guide-item p{margin-top:12px;color:rgba(42,48,72,.72);font-size:16px;line-height:1.62}.extension-input-guide.reveal-ready .input-guide-item{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,1,.36,1)}.extension-input-guide.reveal-ready .input-guide-item:nth-child(2){transition-delay:.12s}.extension-input-guide.reveal-ready .input-guide-item:nth-child(3){transition-delay:.24s}.extension-input-guide.reveal-ready .input-guide-item:nth-child(4){transition-delay:.36s}.extension-input-guide.reveal-ready.is-visible .input-guide-item{opacity:1;transform:translateY(0)}.video-extension-page .extension-youtube{background:#F4F7FF}.video-extension-page .youtube-card,.extension-tool-card{border-radius:8px}.video-extension-page .youtube-card:focus-visible,.extension-tool-card:focus-visible,.extension-tool-arrow:focus-visible,.extension-blog-guide .guide-item:focus-visible,.extension-blog-guide .arrow-btn:focus-visible{outline:3px solid rgba(104,91,255,.38);outline-offset:3px}.extension-explore-tools{background:#FFF}.extension-explore-tools .base-maxwidth{max-width:1350px}.extension-explore-tools .desc{margin:16px auto 60px}.extension-tool-content{position:relative}.extension-tool-content.to-left::before,.extension-tool-content.to-right::after{content:'';position:absolute;top:0;left:-1px;z-index:1;width:14%;max-width:160px;height:100%;background:linear-gradient(90deg,#FFFFFF 0%,rgba(255,255,255,0) 100%);pointer-events:none}.extension-tool-content.to-right::after{right:-1px;left:unset;background:linear-gradient(270deg,#FFFFFF 0%,rgba(255,255,255,0) 100%)}.extension-tool-scroll{display:flex;position:relative;width:100%;padding:6px;overflow-x:auto;scrollbar-width:none}.extension-tool-scroll::-webkit-scrollbar{display:none}.extension-tool-card{display:flex;flex-shrink:0;flex-direction:column;align-items:center;width:320px;max-width:320px;min-height:380px;border-radius:20px;margin-right:28px;overflow:hidden;color:inherit;background:var(--explore-bg-color,linear-gradient(180deg,#EAF5FF 0%,#EAEFFF 100%));text-decoration:none}.extension-tool-card h3{width:100%;padding:24px 24px 20px;font-size:24px;font-weight:700}.extension-tool-card p{flex:1;width:100%;padding:0 24px 24px;color:rgba(42,48,72,.72);font-size:16px;line-height:1.6}.extension-tool-card picture{display:block;width:100%;padding:0 8px}.extension-tool-card img{display:block;width:100%;max-width:100%;aspect-ratio:16 / 9;height:auto;border-radius:12px;object-fit:cover;transition:transform .2s}.extension-tool-card:hover img{transform:scale(1.09)}.extension-tool-arrow{position:absolute;top:50%;right:0;z-index:2;display:none;align-items:center;justify-content:center;width:60px;height:60px;padding:0 0 0 4px;border:0;border-radius:50%;color:#FFF;background:rgba(0,0,0,.8);opacity:.6;transform:translateY(-50%);transition:all .2s;cursor:pointer}.extension-tool-arrow:hover{opacity:1}.extension-tool-arrow.is-left{right:unset;left:0;transform:scaleX(-1) translateY(-50%)}.extension-tool-content.to-left .extension-tool-arrow.is-left,.extension-tool-content.to-right .extension-tool-arrow.is-right{display:flex}.extension-tool-arrow svg{width:22px;height:29px}.extension-blog-guide{background:#F8FAFF}.extension-blog-guide .desc{margin:16px auto 0}.extension-blog-guide .base-maxwidth{padding:0}.extension-blog-guide .content{position:relative}.extension-blog-guide .guide-swiper{margin-top:60px}.extension-blog-guide .swiper-slide{display:flex;transform:scale(.9);transition:transform .2s linear}.extension-blog-guide .swiper-slide-active,.extension-blog-guide .swiper-slide-duplicate-active{transform:scale(1)}.extension-blog-guide .guide-item{max-width:438px;margin:0 12px;border-radius:20px;background:#F0F7FF;color:inherit;text-align:center;text-decoration:none;overflow:hidden}.extension-blog-guide .guide-item picture{display:block;aspect-ratio:16 / 9;border-radius:20px;overflow:hidden}.extension-blog-guide .guide-item img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .2s linear}.extension-blog-guide .guide-item:hover img{transform:scale(1.09)}.extension-blog-guide .guide-item h3{padding:20px 14px;font-size:18px}.extension-blog-guide .arrow-btn{position:absolute;top:40%;z-index:2;display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:0;border-radius:50%;background:#FFF;color:#2A3048;box-shadow:0 4px 20px rgba(42,48,72,.16);cursor:pointer;transform:translateY(-50%)}.extension-blog-guide .arrow-btn svg{width:22px;height:22px}.extension-blog-guide .arrow-btn.is-left{left:10px;transform:translateY(-50%) rotate(180deg)}.extension-blog-guide .arrow-btn.is-right{right:10px}.extension-blog-guide .guide-more{margin-top:28px;justify-content:center}@media (prefers-reduced-motion:reduce){.extension-input-guide.reveal-ready .input-guide-item{opacity:1;transform:none;transition:none}.extension-tool-card img,.extension-blog-guide .guide-item img,.extension-blog-guide .swiper-slide,.video-extension-page .youtube-card img{transition:none}}@media(max-width:1100px){.input-guide-layout{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.input-guide-item{padding:32px 22px 38px}.input-guide-item:nth-child(2),.input-guide-item:nth-child(4){top:36px}.video-extension-page .audience-grid{display:flex;gap:18px;padding-bottom:14px;overflow-x:auto;scroll-snap-type:x mandatory}.video-extension-page .audience-card{flex:0 0 420px;scroll-snap-align:start}}@media(max-width:992px){.extension-explore-tools .desc{margin:12px auto 24px}.extension-tool-card{width:200px;max-width:200px;min-height:264px;margin-right:12px;border-radius:16px}.extension-tool-card h3{padding:16px;font-size:16px}.extension-tool-card p{padding:0 16px 16px;font-size:14px;line-height:1.5}.extension-tool-card picture{padding:0 16px}.extension-tool-card img{border-radius:10px}.extension-tool-arrow{width:40px;height:40px;padding-left:0}}@media(max-width:900px){.input-guide-layout{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-bottom:0}.input-guide-item{min-height:0;aspect-ratio:auto;padding:32px 26px}.input-guide-item:nth-child(2),.input-guide-item:nth-child(4){top:0}}@media(max-width:767px){.video-extension-page .top-banner{padding-bottom:60px}.extension-preview{border-radius:16px}.extension-input-guide,.extension-explore-tools,.extension-blog-guide{padding:70px 0}.input-guide-layout{grid-template-columns:1fr;gap:32px;margin-top:36px;padding-bottom:0}.input-guide-item,.input-guide-item:nth-child(2),.input-guide-item:nth-child(4){width:100%;min-height:0;aspect-ratio:auto;top:0;margin-top:0;padding:30px 26px;justify-self:center}.video-extension-page .audience-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:0;overflow-x:visible;scroll-snap-type:none}.video-extension-page .audience-card{flex:none}.video-extension-page .youtube-card-grid{display:flex;gap:14px;padding-bottom:8px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}.video-extension-page .youtube-card-grid::-webkit-scrollbar{display:none}.video-extension-page .youtube-card{flex:0 0 calc(100% - 48px);scroll-snap-align:center}}@media(max-width:567px){.video-extension-page .audience-card{flex-basis:calc(100% - 48px)}.audience-card-body{padding:18px 2px 0}.extension-blog-guide .guide-item h3{font-size:14px}.extension-blog-guide .arrow-btn{top:calc(18.75vw - 6.75px);width:38px;height:38px}.extension-blog-guide .arrow-btn.is-left{left:calc(16.667% - 19px)}.extension-blog-guide .arrow-btn.is-right{right:calc(16.667% - 19px)}}