:root{--ink:#1b2440;--muted:#65728b;--line:#e5eaf4;--accent:#5e7ce2;--purple:#8c65e8;--pale:#f7f9fe;--gradient:linear-gradient(135deg,#5e7ce2,#9f5ee2);--shadow:0 22px 58px rgba(76,102,184,.11);font-family:Inter,Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}*{box-sizing:border-box}body{margin:0;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a,button,input,select,summary,textarea{-webkit-tap-highlight-color:transparent}a,button{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button{color:inherit}::selection{background:#dce5ff}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #91a9ff;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.045em}p{line-height:1.8;color:var(--muted)}.shell{width:min(1200px,calc(100% - 64px));margin-inline:auto}.file-input,.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:12px;left:12px;z-index:100;background:white;padding:12px;border:2px solid var(--accent);transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{height:76px;display:flex;align-items:center;gap:32px;border-bottom:1px solid #eef0f6}.brand{display:inline-flex;align-items:center;gap:12px;font-size:25px;font-weight:800;letter-spacing:-.055em}.brand-mark{display:grid;grid-template-columns:1fr 1fr;gap:3px;width:31px;height:31px;flex:none}.brand-mark i{background:#5e7ce2;border-radius:5px}.brand-mark i:nth-child(2){background:#8b6de8}.brand-mark i:nth-child(3){background:#91a9f5}.brand-mark i:nth-child(4){background:#b4a1f5}.brand-dot{color:var(--purple)}.site-header nav{display:flex;gap:29px;margin-left:auto;font-size:13px;font-weight:600;color:#4f5c76}.site-header nav a:hover{color:var(--accent)}.language-link{display:flex;align-items:center;gap:14px;border:1px solid #dae2f4;border-radius:9px;background:#f8faff;color:#536cba;padding:10px 15px;font-size:13px;font-weight:600}.eyebrow{font-size:10px;letter-spacing:.12em;font-weight:800;color:#617bd7;display:block}.signal-dot{display:inline-block;width:7px;height:7px;background:#7b74e8;border-radius:50%;box-shadow:0 0 0 4px #7771e821;margin-right:11px}.hero{position:relative;isolation:isolate;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;min-height:575px;margin-top:25px;margin-bottom:76px;padding:58px 52px 58px 62px;border:1px solid #ecf0fb;border-radius:27px;background:radial-gradient(circle at 90% 10%,#bda5ff4d,transparent 37%),radial-gradient(circle at 62% 90%,#7cacff3d,transparent 40%),linear-gradient(135deg,#fbfcff,#f5f8ff);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#dce4f3 1px,transparent 0),linear-gradient(90deg,#dce4f3 1px,transparent 0);background-size:34px 34px;-webkit-mask-image:linear-gradient(90deg,transparent 20%,#0004);mask-image:linear-gradient(90deg,transparent 20%,#0004);opacity:.5}.hero h1{font-size:clamp(48px,5.5vw,74px);line-height:1.15;font-weight:780;margin:27px 0 23px;letter-spacing:-.065em}.hero h1 em{display:block;font-style:normal;background:var(--gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-copy>p{font-size:15px;max-width:450px;margin-bottom:29px}.primary-button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;min-height:48px;padding:0 22px;border:0;border-radius:10px;background:var(--gradient);color:#fff;font-size:13px;font-weight:700;box-shadow:0 11px 24px #5e7ce23d;transition:transform .2s,box-shadow .2s}.primary-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 15px 30px #5e7ce250}.primary-button>span{font-size:21px}.hero-note{display:block;font-size:10px;color:#8a96ad;margin-top:18px}.hero-art{position:relative;width:100%;height:385px;display:flex;align-items:center;justify-content:center;min-width:0}.hero-glow{position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,#8393f566,#8e77e71f 46%,transparent 72%);filter:blur(13px)}.demo-window{position:relative;z-index:1;width:100%;max-width:490px;border:1px solid #a5b6e8ad;border-radius:18px;background:white;box-shadow:0 36px 66px #485dad2b;overflow:hidden;transform:perspective(900px) rotateY(-5deg) rotateX(2deg)}.demo-top{height:43px;display:flex;justify-content:space-between;align-items:center;padding:0 17px;background:#fbfcff;border-bottom:1px solid #edf0f8;color:#8a96ad;font-size:8px;letter-spacing:.12em}.demo-dots{display:flex;gap:5px}.demo-dots i{width:7px;height:7px;border-radius:50%;background:#f5adad}.demo-dots i:nth-child(2){background:#f3d186}.demo-dots i:nth-child(3){background:#a8dfbb}.demo-body{padding:17px}.video-card{height:164px;position:relative;overflow:hidden;border-radius:10px;background:linear-gradient(150deg,#85b7ff,#826fe8 64%,#5c4ea8)}.video-orb{width:62px;height:62px;top:24px;left:56px;background:#d9e2ff;box-shadow:0 0 0 14px #e5ecff24}.video-orb,.video-wave{position:absolute;border-radius:50%}.video-wave{background:linear-gradient(130deg,#5657bc,#6e8ee9);height:180px;width:470px;bottom:-125px;left:20px;transform:rotate(-15deg)}.video-caption{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);white-space:nowrap;color:white;background:#242d648c;border-radius:5px;padding:6px 12px;font-size:11px}.video-time{position:absolute;bottom:8px;right:12px;font-size:7px;color:#fff9}.timeline{margin:15px 0;position:relative}.time-ruler{display:flex;justify-content:space-between;color:#97a4bd;font-size:7px;margin-bottom:8px}.timeline-track{height:17px;display:flex;gap:7px;position:relative;background:#f3f5fc;border-radius:4px;padding:2px}.timeline-track i{width:27%;border-radius:3px;background:#7c8fe7}.timeline-track i:nth-child(2){width:37%;background:#9e8be8}.timeline-track i:nth-child(3){width:23%;background:#91a9f5}.timeline-track.lower{margin-top:5px}.timeline-track.lower i{margin-left:11%;width:40%;background:#ccdafc}.timeline-track.lower i:nth-child(2){margin:0;width:33%;background:#dbd3fa}.playhead{position:absolute;left:36%;top:7px;height:63px;width:1px;background:#8c65e8}.playhead:before{content:"";position:absolute;left:-3px;border:4px solid transparent;border-top-color:#8c65e8}.demo-bottom{justify-content:space-between;font-size:8px;padding-top:3px;color:#8a96ad}.demo-bottom,.demo-bottom>span{display:flex;align-items:center}.demo-bottom>span{gap:6px}.demo-bottom i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#43ba9b}.demo-bottom strong{color:#697bd0;font-size:9px}.demo-bottom strong span{color:var(--purple);margin-left:7px}.float-card{position:absolute;left:-8px;bottom:0;z-index:2;display:flex;gap:8px;align-items:center;padding:12px 15px;border:1px solid #e5eafb;border-radius:10px;background:#fffffff0;box-shadow:0 14px 31px #4b5fae26;font-size:9px;color:#526cc3;font-weight:700}.float-card>span{color:var(--purple);font-size:15px}.page-hero{padding-block:50px 58px;position:relative}.back-link{color:#5f78d6;font-size:12px;border-bottom:1px solid #a9b8ec;display:inline-block;padding-bottom:5px;margin-bottom:33px}.page-hero h1{font-size:clamp(39px,5vw,64px);margin:20px 0}.page-hero>p{max-width:680px;margin:0;font-size:15px}.workspace-region{background:#f7f9fe;border-block:1px solid #edf0f9;padding:72px 0 80px}.workspace{border:1px solid #e5eaf5;border-radius:17px;background:white;box-shadow:0 18px 56px #4660a517;overflow:hidden;scroll-margin-top:24px}.workspace-heading{display:flex;align-items:center;justify-content:space-between;padding:30px 33px 27px}.workspace-heading h2{margin:10px 0 0;font-size:29px;font-weight:730}.local-tag{display:flex;gap:7px;align-items:center;font-size:9px;letter-spacing:.06em;color:#8190ac}.local-tag>span{width:6px;height:6px;background:#43ba9b;border-radius:50%}.workspace-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid #e9edf6;background:#f9faff}.workspace-tabs a{min-height:62px;display:flex;align-items:center;justify-content:center;gap:9px;padding:12px;font-size:12px;font-weight:700;color:#7b88a1;border-right:1px solid #e9edf6}.workspace-tabs a:last-child{border:0}.workspace-tabs a>span{font-size:9px;color:#9b81e9}.workspace-tabs a.active{box-shadow:inset 0 -3px #6d80e5;background:white;color:#506fd0}.workspace-tabs a:hover{background:#f0f3ff}.workspace-body{display:grid;grid-template-columns:1fr 300px;padding:30px;gap:28px}.source-panel{min-width:0}.panel-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:33px;margin-bottom:13px}.panel-bar>span{font-size:10px;color:#8190b0;font-weight:800;letter-spacing:.12em}.segmented{display:flex;padding:3px;background:#f2f5fc;border-radius:7px;gap:3px}.segmented button{background:none;border:0;padding:7px 9px;border-radius:5px;font-size:10px;color:#7d8aa2}.segmented button[aria-pressed=true]{background:white;color:#5975d9;box-shadow:0 2px 5px #2c3a6610}.subtitle-input{width:100%;height:310px;resize:vertical;border:1px solid #dbe2f0;border-radius:11px;background:#fbfcff;color:#324369;padding:18px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;line-height:1.9}.source-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px}.source-bottom small{font-size:9px;color:#8a97ad}.text-button{border:0;background:none;padding:5px;color:#657dd3;font-size:10px;white-space:nowrap}.dropzone{min-height:310px;border:2px dashed #bbc8f0;border-radius:12px;background:#f9faff;display:flex;flex-direction:column;align-items:center;text-align:center;padding:25px 18px}.dropzone.dragging{background:#eef2ff;border-color:#6d86e2}.upload-icon{display:grid;place-items:center;background:var(--gradient);width:50px;height:50px;border-radius:14px;color:#fff;font-size:30px;margin-bottom:17px}.dropzone>strong{font-size:18px;letter-spacing:-.025em}.dropzone>p{font-size:11px;margin:8px 0 18px}.file-button{display:block;border:1px solid #ccdafb;border-radius:8px;color:#5673d5;background:#fff;padding:9px 14px;font-size:11px;cursor:pointer}.dropzone:focus-within .file-button{outline:3px solid #91a9ff;outline-offset:3px}.file-list{list-style:none;padding:0;margin:15px 0 0;max-height:150px;overflow:auto;width:100%;font-size:11px}.file-list li{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:6px;border-top:1px solid #e5eaf5}.file-list li>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-list button{border:0;background:none;font-size:18px;color:#8c65e8}.settings-panel{background:#fbfcff;border:1px solid #e6ebf6;border-radius:12px;padding:23px;gap:16px}.field,.settings-panel{display:flex;flex-direction:column}.field{gap:8px;color:#566482;font-size:11px;font-weight:700}.field input,.field select{min-height:41px;width:100%;border:1px solid #dbe2f0;border-radius:8px;background:white;color:#253455;padding:8px 10px;min-width:0}.checkbox{display:flex;gap:8px;align-items:start;color:#71809a;font-size:11px;line-height:1.7}.checkbox input{accent-color:#7187df;margin-top:3px;flex:none}.settings-summary{border-top:1px solid #e8ecf4;padding-top:18px;margin-top:4px}.settings-summary>span{font-size:8px;color:#8a97ad;letter-spacing:.09em}.settings-summary>strong{display:block;font-size:31px;color:#5e7ce2;letter-spacing:-.05em;margin:6px 0}.settings-summary small{font-size:11px;font-weight:600;letter-spacing:0}.settings-note,.settings-summary p{font-size:10px;color:#8a97ad;line-height:1.8;margin:0}.settings-panel .primary-button{width:100%;margin-top:auto}.feedback{padding:0 30px}.feedback>p{font-size:12px;line-height:1.8;padding:12px 15px;border-radius:8px;overflow-wrap:anywhere}.error{color:#b23c57;background:#fff0f3}.notice{color:#6975a5;background:#f2f5fd}.success{color:#328b73;font-size:12px}.preview-panel{border-top:1px solid #e9edf6;padding:26px 30px 30px}.preview-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.preview-heading h3{font-size:22px;margin:7px 0 0}.preview-heading>span{font-size:9px;color:#8a97ad}.cue-list{max-height:360px;overflow:auto;border:1px solid #e5eaf4;border-radius:9px}.cue-row{display:grid;grid-template-columns:28px 220px 1fr;gap:13px;align-items:start;border-bottom:1px solid #edf0f8;padding:14px;font-size:11px}.cue-row:last-child{border:0}.cue-index{color:#a093ca;font-size:10px}.cue-row code{font-size:9px;color:#7988b0;line-height:1.9;white-space:nowrap}.cue-row p{white-space:pre-wrap;font-size:11px;line-height:1.8;margin:0;color:#42516c;overflow-wrap:anywhere}.individual-downloads{display:flex;flex-wrap:wrap;gap:9px;margin-top:15px}.individual-downloads button{max-width:100%;overflow-wrap:anywhere;border:1px solid #cbd7f8;background:#eef2ff;color:#5874d0;border-radius:7px;padding:9px 12px;font-size:10px}.issue-list{max-height:220px;overflow:auto;list-style:none;padding:0;font-size:11px;background:#fff9ef;border-radius:8px;color:#917346}.issue-list li{padding:9px 12px;border-bottom:1px solid #f2e8d9;overflow-wrap:anywhere}.issue-list span{display:inline-block;margin-right:16px;color:#8991a4}.steps-section{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;padding:95px 0 70px}.faq-section h2,.section-heading h2,.steps-section h2{font-size:clamp(31px,3.5vw,44px);line-height:1.25;margin-top:20px;font-weight:730}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.steps-grid article{border-top:1px solid #e2e8f4;padding-top:17px}.steps-grid article>span{font-size:11px;color:#8c65e8}.steps-grid h3{font-size:16px;margin:20px 0 9px;letter-spacing:-.03em}.steps-grid p{font-size:12px;line-height:1.9;margin-bottom:0}.tool-section{padding:30px 0 80px}.section-heading h2{font-size:32px;margin:17px 0 30px}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tool-card{border:1px solid #e6eafa;border-radius:16px;padding:25px 22px;display:flex;flex-direction:column;box-shadow:0 8px 28px #334f9a0b;transition:transform .2s,box-shadow .2s}.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c4d0f6}.tool-card>div{display:flex;justify-content:space-between;align-items:start}.card-symbol{width:55px;height:55px;display:grid;place-items:center;background:linear-gradient(145deg,#e5ecff,#e7e0ff);color:#697bd9;border-radius:15px;font-size:30px}.card-number{font-size:10px;color:#a4b0c8}.tool-card h3{font-size:18px;margin:27px 0 11px}.tool-card p{font-size:11px;line-height:1.85;margin-bottom:25px}.card-link{display:flex;justify-content:space-between;color:#637ed6;font-size:11px;font-weight:700;margin-top:auto}.card-link>span{font-size:17px}.faq-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px;padding:35px 0 95px}.faq-section h2{font-size:36px}.inline-link{font-size:12px;color:#627bd6;border-bottom:1px solid #c2cff2;padding-bottom:5px}.faq-section details{border-bottom:1px solid #e5eaf3}.faq-section summary{display:flex;justify-content:space-between;gap:16px;cursor:pointer;list-style:none;font-size:15px;font-weight:650;line-height:1.6;padding:22px 0;color:#30415f}.faq-section summary::-webkit-details-marker{display:none}.faq-section summary>span{color:#8f73e5}.faq-section details[open] summary>span{transform:rotate(45deg)}.faq-section details>p{font-size:12px;margin:0 25px 22px 0}.site-footer{background:#171d38;color:white;padding-top:42px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px;padding-bottom:36px}.footer-top p{font-size:11px;color:#b9c2df;margin:12px 0 0}.footer-top nav{display:flex;gap:25px;color:#b9c2df;font-size:11px}.footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #ffffff15;padding-block:20px;color:#8491b5;font-size:9px}.document{max-width:850px;padding-block:55px 95px}.document h1{font-size:clamp(38px,5vw,60px);margin:20px 0 40px}.document>p{font-size:15px}.document section{display:grid;grid-template-columns:35px 1fr;gap:20px;border-top:1px solid #e5eaf4;padding-top:25px;margin:30px 0}.document-number{font-size:11px;color:#8c65e8;line-height:2}.document h2{font-size:22px;margin:0 0 12px}.document p{font-size:14px;margin-bottom:0}.document>.primary-button{margin-top:25px}.source-note{background:#f4f6fd;padding:25px;border-left:3px solid #8f73e5;margin-top:35px}.source-note a{display:block;color:#5e7ce2;font-size:12px;margin:12px 0;overflow-wrap:anywhere}@media(max-width:1050px){.hero{padding:44px 35px;gap:24px}.hero h1{font-size:57px}.workspace-body{grid-template-columns:1fr 265px;gap:22px}.settings-panel{padding:20px}.cue-row{grid-template-columns:25px 1fr}.cue-row p{grid-column:2}.tool-grid{grid-template-columns:repeat(2,1fr)}.steps-section{grid-template-columns:1fr;gap:25px}.steps-section h2{max-width:600px}}@media(max-width:780px){.shell{width:min(620px,calc(100% - 36px))}.site-header{height:70px}.site-header nav{display:none}.language-link{margin-left:auto}.hero{grid-template-columns:1fr;margin-top:14px;margin-bottom:50px;min-height:0;padding:40px 30px 27px;gap:12px}.hero h1{font-size:57px}.hero-art{height:360px}.demo-window{transform:none}.float-card{left:0;bottom:-1px}.hero-copy>p{max-width:100%}.workspace-region{padding:50px 0 60px}.workspace-heading{padding:25px 22px}.workspace-heading h2{font-size:25px}.local-tag{font-size:8px}.workspace-tabs a{font-size:10px;flex-direction:column;gap:5px;text-align:center;min-height:66px;padding:10px 5px}.workspace-body{grid-template-columns:1fr;padding:23px;gap:25px}.settings-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.settings-panel>.checkbox,.settings-panel>.eyebrow,.settings-panel>.primary-button,.settings-panel>.settings-note,.settings-panel>.settings-summary{grid-column:1/-1}.settings-summary>strong{font-size:29px}.settings-summary p{display:none}.feedback{padding-inline:23px}.preview-panel{padding:23px}.preview-heading{display:block}.preview-heading>span{display:block;margin-top:10px}.steps-section{padding-top:68px}.faq-section{grid-template-columns:1fr;gap:20px;padding-bottom:70px}.tool-section{padding-bottom:40px}.footer-top{align-items:start}.footer-top nav{flex-direction:column;gap:15px}.footer-bottom{font-size:8px}.page-hero{padding-block:38px 45px}.document{padding-block:38px 65px}}@media(max-width:480px){.brand{font-size:23px}.language-link{font-size:11px;padding:9px 12px}.hero{padding:34px 20px 22px;border-radius:19px}.hero h1{font-size:46px}.hero-copy>p{font-size:14px}.hero .eyebrow{font-size:8px}.hero-art{height:290px}.demo-body{padding:12px}.demo-top{font-size:6px;padding-inline:12px;height:33px}.video-card{height:129px}.video-caption{font-size:8px;padding:5px 8px}.demo-bottom{font-size:6px}.demo-bottom strong,.float-card{font-size:7px}.float-card{padding:9px 11px;bottom:-3px}.workspace-heading{padding:22px 17px}.workspace-heading h2{font-size:21px}.local-tag{display:none}.workspace-body{padding:18px}.panel-bar{flex-wrap:wrap}.subtitle-input{font-size:10px;padding:13px}.source-bottom{align-items:start;gap:8px}.source-bottom small{font-size:8px;max-width:190px;line-height:1.8}.segmented button{font-size:9px}.settings-panel{display:flex;padding:18px}.settings-panel>.primary-button{width:100%}.feedback{padding-inline:18px}.preview-panel{padding:20px 18px}.preview-heading h3{font-size:20px}.cue-row{padding:11px;gap:7px;grid-template-columns:20px 1fr}.cue-row code{font-size:8px}.cue-row p{font-size:10px}.steps-grid{grid-template-columns:1fr;gap:23px}.steps-grid article{display:grid;grid-template-columns:25px 1fr;gap:0 14px}.steps-grid h3{margin:0 0 8px}.steps-grid p{grid-column:2}.tool-grid{grid-template-columns:1fr}.tool-card{padding:23px}.tool-card h3{margin-top:20px;font-size:20px}.section-heading h2{font-size:28px}.faq-section h2{font-size:31px}.footer-top{flex-direction:column}.footer-top nav{flex-direction:row;flex-wrap:wrap}.footer-bottom{flex-wrap:wrap}.document section{gap:10px;grid-template-columns:25px 1fr}.document h2{font-size:20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{.faq-section,.feedback,.hero,.individual-downloads,.page-hero,.settings-panel,.site-footer,.site-header,.source-panel,.steps-section,.tool-section,.workspace-tabs{display:none!important}.shell{width:100%;max-width:none}.workspace-region{background:white;border:0;padding:0}.workspace{box-shadow:none;border:0}.workspace-heading{padding:0 0 20px}.workspace-body{display:none}.preview-panel{padding:0}.cue-list{max-height:none;overflow:visible}.cue-row{page-break-inside:avoid;break-inside:avoid}}