:root{--blue:#2764ed;--night:#071629;--ink:#112039;--muted:#637083;--line:#dcdedc;--paper:#f5f3ee;--surface:#fff;--amber:#f4c64b}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--paper);color:var(--ink);line-height:1.6}button,input{font:inherit}button,a{touch-action:manipulation}a{color:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #6390ff;outline-offset:4px}.skip-link{position:fixed;left:16px;top:10px;z-index:100;background:var(--surface);padding:12px;transform:translateY(-150%)}.skip-link:focus{transform:none}.product-nav{height:80px;display:flex;justify-content:space-between;align-items:center;padding:0 clamp(24px,5vw,88px);border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1.1;font-weight:750;font-size:21px;letter-spacing:-.04em}.brand img{object-fit:contain;flex:none}.brand small{display:block;margin-top:7px;font:9px/1.3 ui-monospace,monospace;letter-spacing:.12em;color:var(--muted)}.nav-links{display:flex;align-items:center;gap:26px;font-size:12px}.nav-links>a:not(.button){text-decoration:none;color:var(--muted)}.theme-toggle{border:0;padding:10px 0;background:none;color:var(--muted);font-size:11px;white-space:nowrap}.button{display:inline-flex;gap:32px;align-items:center;justify-content:center;min-height:44px;padding:13px 21px;border:1px solid transparent;border-radius:6px;text-decoration:none;font-size:13px;font-weight:600;white-space:nowrap;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px)}.button span{font-size:18px;line-height:1}.button-dark{background:var(--ink);color:var(--surface)}.button-blue{background:var(--blue);color:#fff;box-shadow:0 3px 0 #173f9b}.button-light{background:var(--paper);color:var(--night)}.eyebrow{font:600 10px/1.5 ui-monospace,"PingFang SC",monospace;letter-spacing:.16em;color:var(--muted);margin:0 0 22px}.status-dot,.live-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#35a887;vertical-align:middle;margin-right:7px}.product-hero{max-width:1680px;margin:auto;padding:66px clamp(24px,5vw,88px) 62px;display:grid;grid-template-columns:.86fr 1.32fr;gap:clamp(32px,4vw,70px);align-items:center}.hero-copy h1{font-size:clamp(44px,4.7vw,76px);font-weight:650;line-height:1.15;letter-spacing:-.065em;margin:0}.hero-copy h1 em{font-style:normal;color:var(--blue);display:inline-block;position:relative}.hero-copy h1 em:after{content:'';position:absolute;bottom:5px;left:0;width:82%;height:9px;background:var(--amber);z-index:-1}.hero-lead{font-size:15px;line-height:1.85;color:var(--muted);margin:26px 0 27px}.hero-actions{display:flex;align-items:center;gap:24px}.text-link{font-size:12px;text-decoration:none;white-space:nowrap}.text-link span{margin-left:12px}.hero-fine{color:var(--muted);font-size:10px;letter-spacing:.05em;margin:18px 0 0}.hero-stage{position:relative;background:var(--night);color:#edf3fc;border:1px solid #1c2c45;border-radius:12px;box-shadow:0 25px 55px #07162922;transform:perspective(1800px) rotateY(-3deg) rotateX(1deg);overflow:hidden}.stage-top{padding:16px 22px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #233149;gap:12px}.stage-top>span{display:flex;gap:5px}.stage-top i{height:5px;width:5px;background:#526075;border-radius:50%}.stage-top b{font:9px/1.4 ui-monospace,monospace;letter-spacing:.12em;color:#b1bdcc}.motion-control{background:transparent;color:#bac6d7;border:1px solid #3c4a60;border-radius:4px;padding:5px 8px;font-size:10px;white-space:nowrap}.stage-body{padding:22px 28px 27px;background:radial-gradient(ellipse at 75% 70%,#17425a44,transparent 65%)}.stage-caption{display:flex;justify-content:space-between;gap:10px;color:#8699b5;font:8px/1.4 ui-monospace,monospace;letter-spacing:.12em;margin-bottom:24px}.input-stream{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.mini-file{background:#122237;border:1px solid #334057;border-radius:6px;padding:13px 12px;position:relative;animation:inputPulse 12s ease-in-out infinite}.mini-file:nth-child(2){animation-delay:.25s}.mini-file:nth-child(3){animation-delay:.5s}.file-kind{display:block;color:#89b5ff;font:9px/1.2 ui-monospace,monospace;margin-bottom:20px}.file-kind.pdf{color:#ffb28f}.file-kind.xls{color:#92d6bd}.mini-file b{font-size:11px;font-weight:500;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-file small{font-size:9px;color:#94a4ba;display:block;margin-top:5px}.flow-line{display:flex;align-items:center;justify-content:center;gap:8px;height:39px;color:#83a6ec}.flow-line span{height:1px;background:#334a69;width:29%}.flow-line b{font-size:18px;font-weight:400}.stage-sheet{background:#f9fbff;color:#1b2c44;border:1px solid #b7cae7;border-radius:7px;overflow:hidden;animation:sheetPulse 12s ease-in-out infinite}.sheet-bar{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;gap:12px;border-bottom:1px solid #d9e1ed}.sheet-bar>span{font-size:12px;font-weight:600}.sheet-mark{margin-right:7px;font-size:15px;color:var(--blue)}.sheet-bar small{font-size:8px;color:#63758b}.stage-sheet table{border-collapse:collapse;width:100%;font-size:10px;font-variant-numeric:tabular-nums}.stage-sheet th{font-size:9px;font-weight:500;background:#edf2fa;color:#657994}.stage-sheet td,.stage-sheet th{padding:11px 9px;border-bottom:1px solid #e1e7f0;border-right:1px solid #e1e7f0;text-align:left;white-space:nowrap}.stage-sheet th:first-child,.stage-sheet td:first-child{padding-left:14px}.stage-sheet .stage-qty,.stage-sheet .stage-date{background:#fff4ce;color:#74500f;font-weight:700;animation:cellPulse 12s ease-in-out infinite}.sheet-foot{display:flex;gap:15px;padding:11px 14px;font-size:8px;color:#69798d}.sheet-foot b{color:#388c72;margin-left:4px}.change-callout{margin:17px 0 17px 26px;padding:12px 16px;border:1px solid #6b6244;border-left:3px solid var(--amber);border-radius:5px;background:#292c2c;display:flex;align-items:center;gap:12px;animation:calloutPulse 12s ease-in-out infinite}.change-icon{font-size:24px;color:var(--amber)}.change-callout small{font-size:9px;color:#b8bdc3;display:block}.change-callout b{font-size:14px;font-weight:550;display:block;margin-top:3px;font-variant-numeric:tabular-nums}.change-callout b span{color:var(--amber);padding:0 8px}.change-callout p{font-size:9px;color:#a8b4c3;margin:5px 0 0}.review-label{margin-left:auto;font-size:9px;padding:3px 6px;color:var(--amber);border:1px solid #7b704b;white-space:nowrap;border-radius:3px}.stage-export{display:flex;align-items:center;gap:12px;width:82%;margin:0 auto;padding:12px 15px;background:#143b34;border:1px solid #357263;border-radius:5px;animation:exportPulse 12s ease-in-out infinite}.export-symbol{font-size:22px;color:#89d6b6}.stage-export b{font-size:11px;font-weight:550;display:block}.stage-export small{font-size:8px;color:#9ebfb3;display:block;margin-top:3px}.export-check{margin-left:auto;color:#91e4b9;font-size:16px}.stage-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#0e1b2e;padding:13px 22px;font-size:9px;color:#9babc1}.stage-progress{height:2px;background:#34445b;flex:1;max-width:180px;overflow:hidden}.stage-progress i{display:block;width:100%;height:100%;background:#6e9bff;transform-origin:left;animation:progress 12s linear infinite}.format-strip{display:flex;align-items:center;justify-content:space-between;gap:22px;max-width:1504px;margin:auto;padding:25px clamp(24px,5vw,88px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.format-strip div{display:flex;gap:30px}.format-strip b{font:550 11px/1.5 ui-monospace,monospace;color:var(--ink)}.format-strip small{font-size:10px}.section-bound{max-width:1504px;margin:0 auto;padding:100px clamp(24px,5vw,88px)}h2{font-size:clamp(32px,3.3vw,49px);line-height:1.25;letter-spacing:-.055em;font-weight:600;margin:0}h3{font-weight:600;letter-spacing:-.025em}.section-heading{display:grid;grid-template-columns:1fr 1fr;column-gap:65px;align-items:end}.section-heading .eyebrow{grid-column:1/-1;margin-bottom:18px}.section-heading>p:last-child{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 4px;max-width:380px;justify-self:end}.three-steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:45px;gap:42px}.three-steps article{padding-top:22px;border-top:1px solid var(--line)}.three-steps article>span{font:11px/1.5 ui-monospace,monospace;color:var(--blue)}.three-steps h3{font-size:20px;margin:15px 0 12px}.three-steps p{font-size:13px;line-height:1.9;color:var(--muted);margin:0}.demo-section{padding-top:28px}.demo-intro{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:38px}.demo-intro>p{font-size:12px;line-height:1.8;color:var(--muted);max-width:370px}.demo-workbench{display:grid;grid-template-columns:.9fr 1.65fr;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 12px 40px #07162908;background:var(--surface)}.demo-source{padding:28px;border-right:1px solid var(--line);background:var(--surface)}.micro-label{font:9px/1.5 ui-monospace,monospace;letter-spacing:.16em;color:var(--muted)}.demo-mail{display:flex;gap:10px;align-items:center;margin:27px 0 22px}.mail-avatar{width:30px;height:30px;border-radius:50%;background:#e4eaf5;color:#315483;display:grid;place-items:center;font-size:11px}.demo-mail b{font-size:11px;font-weight:550;display:block}.demo-mail small{font-size:9px;color:var(--muted);display:block}.mail-format{font:9px/1.4 ui-monospace,monospace;margin-left:auto;color:var(--muted)}.demo-source h3{font-size:14px;line-height:1.6;margin:0 0 21px}.demo-source p{font-size:12px;line-height:2;color:var(--muted)}.demo-source mark{background:#fbebbd;color:#704b0d;padding:2px 3px}.demo-source s{opacity:.7}.source-foot{display:flex;justify-content:space-between;gap:10px;font-size:9px;color:var(--muted);padding-top:22px;border-top:1px solid var(--line);margin-top:28px}.demo-output{min-width:0;padding-bottom:22px;background:var(--surface)}.demo-titlebar{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}.demo-titlebar b{font-size:13px}.demo-titlebar span{font-size:10px;color:var(--muted)}.demo-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;padding:18px 22px;border:0;margin:0;font-size:10px;color:var(--muted)}.demo-controls legend{float:left;margin-right:4px;padding:0;color:var(--ink)}.demo-controls label{display:flex;align-items:center;gap:3px;cursor:pointer}.demo-controls input{accent-color:var(--blue);width:12px;height:12px}.demo-table-scroll{overflow:auto;min-height:160px}#demoTable{border-collapse:collapse;width:100%;font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap}#demoTable th{background:var(--paper);color:var(--muted);font-size:10px;font-weight:500}#demoTable td,#demoTable th{padding:13px 15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left}#demoTable input{border:1px solid #bfd0f3;border-radius:3px;background:var(--surface);color:var(--blue);width:65px;padding:5px 6px;font-size:11px}#demoTable td:has(input){padding-top:5px;padding-bottom:5px}.demo-notice{display:flex;align-items:center;gap:12px;margin:20px 22px;padding:14px;border:1px solid #ddcfa7;background:#f6edda;border-radius:5px;color:#714e18}.demo-notice>span{font-size:23px}.demo-notice b{font-size:11px}.demo-notice p{font-size:10px;line-height:1.7;margin:4px 0 0}.demo-export-row{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:4px 22px}.demo-export-row p{color:var(--muted);font-size:10px;max-width:220px;line-height:1.7;margin:0}.demo-export-row .button{font-size:11px;gap:14px;padding:10px 14px;min-height:38px}.depth-section{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;border-top:1px solid var(--line)}.depth-copy>p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.9;margin-top:22px}.depth-list{margin-top:35px}.depth-list article{padding:19px 0;border-top:1px solid var(--line)}.depth-list span{font:9px/1.3 ui-monospace,monospace;color:var(--blue);letter-spacing:.1em}.depth-list h3{font-size:17px;margin:10px 0 7px}.depth-list p{font-size:12px;color:var(--muted);line-height:1.9;margin:0;max-width:380px}.motion-feature{align-self:center}.video-frame{padding:16px;background:var(--night);border:1px solid #22344f;border-radius:9px;box-shadow:0 20px 45px #07162915}.video-bar{display:flex;align-items:center;font-size:10px;color:#b6c5d9;margin-bottom:14px}.video-bar .motion-control{margin-left:auto}.video-frame video{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f5f3ee;border-radius:4px;display:block}.video-frame p{font-size:9px;color:#9baec6;text-align:center;margin:12px 0 0}.export-detail{display:flex;gap:16px;align-items:center;padding:25px 4px;margin-top:8px;border-bottom:1px solid var(--line)}.xls-large{width:52px;height:66px;display:grid;place-items:center;background:#e4eee8;border:1px solid #c5d9cc;border-radius:4px;color:#33644b;font:10px/1.5 ui-monospace,monospace;flex-shrink:0}.export-detail h3{font-size:15px;margin:0 0 7px}.export-detail p{font-size:11px;line-height:1.9;color:var(--muted);margin:0}.detail-arrow{margin-left:auto;font-size:26px;color:var(--muted)}.faq-section{display:grid;grid-template-columns:1fr 1.5fr;gap:80px;border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;justify-content:space-between;padding:21px 0;gap:15px;cursor:pointer;font-size:14px;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:19px;color:var(--muted);font-weight:300}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 23px;max-width:550px}.closing-cta{background:var(--night);color:var(--paper);padding:70px max(5vw,calc((100vw - 1330px)/2));display:flex;align-items:center;justify-content:space-between;gap:40px}.closing-cta .eyebrow{color:#9badc4}.closing-cta h2{font-size:clamp(32px,4vw,56px)}.product-footer{padding:38px clamp(24px,5vw,88px);display:flex;align-items:center;justify-content:space-between;gap:25px;background:var(--surface);font-size:10px;color:var(--muted)}.product-footer .brand{color:var(--ink);font-size:17px}.product-footer .brand small{font-family:inherit;letter-spacing:0;font-size:9px}.product-footer>div{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}.product-footer>div a{text-decoration:none}
[data-theme=dark]{--ink:#e5ebf4;--muted:#a3b1c4;--line:#2b3849;--paper:#0c1624;--surface:#132133}[data-theme=dark] .hero-copy h1 em{color:#73a0ff}[data-theme=dark] .hero-copy h1 em:after{background:#5f532a}[data-theme=dark] .demo-notice{background:#312d24;color:#e0c583;border-color:#5d5035}[data-theme=dark] .xls-large{background:#1b392e;color:#a0c7b2;border-color:#395c4a}[data-theme=dark] .hero-stage{box-shadow:0 25px 70px #0004}[data-theme=dark] .demo-controls input{background:var(--surface)}
@keyframes progress{0%{transform:scaleX(0)}100%{transform:scaleX(1)}}@keyframes inputPulse{0%,20%{border-color:#7194c6;transform:translateY(-3px)}30%,100%{border-color:#334057;transform:translateY(0)}}@keyframes sheetPulse{0%,22%,100%{box-shadow:none}28%,45%{box-shadow:0 0 0 3px #2764ed55}}@keyframes cellPulse{0%,46%,83%,100%{background:#fff4ce}52%,75%{background:#f7d76f}}@keyframes calloutPulse{0%,43%,100%{transform:translateX(0)}50%,70%{transform:translateX(-8px)}}@keyframes exportPulse{0%,72%,100%{box-shadow:none}78%,94%{box-shadow:0 0 0 3px #58a88144}}
.motion-paused .hero-stage *{animation-play-state:paused!important}
@media(min-width:1700px){.product-hero{padding-top:85px;padding-bottom:85px}.hero-copy h1{font-size:84px}.stage-body{padding:30px 34px}.stage-sheet td,.stage-sheet th{padding:14px}.mini-file{padding:17px}.stage-caption{margin-bottom:28px}}
@media(max-width:1080px){.nav-links{gap:16px}.product-hero{gap:30px;grid-template-columns:.82fr 1.2fr}.hero-copy h1{font-size:50px}.hero-actions{flex-direction:column;align-items:flex-start;gap:18px}.stage-body{padding:18px}.mini-file{padding:10px 8px}.mini-file b{font-size:10px}.mini-file small{font-size:8px}.stage-top{padding:13px}.stage-top b{font-size:8px}.change-callout{margin-left:0}.hero-lead{font-size:13px}.stage-sheet td,.stage-sheet th{padding:10px 7px}.sheet-foot{gap:10px;font-size:7px}.format-strip div{gap:18px}.format-strip>small{display:none}.depth-section{gap:40px}.demo-workbench{grid-template-columns:.85fr 1.3fr}.demo-source{padding:22px}.demo-export-row{flex-wrap:wrap;gap:12px}.demo-controls{gap:10px}.product-footer{flex-wrap:wrap}.product-footer>div{justify-content:flex-start}}
@media(max-width:760px){.product-nav{height:70px;padding:0 20px}.brand{font-size:18px}.nav-links>a:not(.button){display:none}.nav-links{gap:12px}.nav-links .button{font-size:11px;padding:10px 12px;gap:10px;min-height:38px}.theme-toggle{font-size:10px}.brand small{font-size:8px}.product-hero{grid-template-columns:1fr;padding:46px 22px 42px;gap:38px}.hero-copy h1{font-size:56px;line-height:1.13}.hero-copy h1 br:nth-child(2){display:none}.hero-lead{font-size:14px;margin:24px 0}.hero-actions{flex-direction:row;align-items:center;gap:24px}.hero-stage{transform:none;max-width:650px;width:100%;margin:auto}.stage-body{padding:22px}.stage-sheet td,.stage-sheet th{padding:12px 9px}.mini-file b{font-size:11px}.mini-file small{font-size:9px}.stage-top b{font-size:9px}.stage-caption{font-size:8px}.sheet-foot{font-size:8px}.format-strip{padding:20px 22px;flex-wrap:wrap;gap:16px}.format-strip div{gap:23px}.format-strip>span{width:100%}.section-bound{padding:62px 22px}.section-heading{display:block}.section-heading>p:last-child{margin-top:22px}.three-steps{grid-template-columns:1fr;gap:25px;margin-top:30px}.three-steps article{display:grid;grid-template-columns:26px 1fr;gap:0 12px;padding-top:20px}.three-steps article>span{margin-top:6px}.three-steps h3{margin:0 0 9px;font-size:19px}.three-steps p{grid-column:2}.demo-intro{display:block;margin-bottom:25px}.demo-intro>p{margin-top:20px}.demo-workbench{grid-template-columns:1fr}.demo-source{border-right:0;border-bottom:1px solid var(--line)}.demo-source p{font-size:12px;line-height:1.9}.demo-mail{margin:20px 0}.source-foot{padding-top:16px;margin-top:18px}.demo-output{padding-bottom:20px}.demo-controls{gap:12px}.demo-export-row{gap:17px;align-items:flex-start}.demo-export-row p{max-width:none;width:100%}.demo-export-row .button{width:100%}.depth-section{grid-template-columns:1fr;gap:32px}.depth-list{margin-top:25px}.depth-list p{max-width:none}.faq-section{grid-template-columns:1fr;gap:25px}.faq-list summary{font-size:13px}.closing-cta{display:block;padding:50px 22px}.closing-cta .button{margin-top:30px;min-width:210px}.product-footer{padding:30px 22px;gap:20px}.product-footer p{width:100%;margin:0}.product-footer>div{font-size:10px;gap:14px}.motion-control{font-size:9px}.stage-export{width:88%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}.hero-stage{transform:none}.stage-progress i{transform:scaleX(1)}}