:root{--teal:#00b4b3;--teal-dark:#007e7b;--ink:#183d39;--muted:#657873;--line:#dce8e3;--paper:#f6f9f6;--mint:#e5f4ee;--white:#fff;--shadow:0 28px 70px -32px #1b594b50}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.6}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,select,input{outline-offset:5px}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--teal)}h1,h2,h3,p{margin:0}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}button{color:inherit}img{display:block;max-width:100%}.container{width:min(1200px,calc(100% - 80px));margin-inline:auto}.skip{position:fixed;left:16px;top:-80px;z-index:100;background:var(--ink);color:white;padding:12px 20px}.skip:focus{top:12px}.site-header{position:sticky;top:0;z-index:20;background:#f6f9f6ed;backdrop-filter:blur(18px);border-bottom:1px solid #dce8e388}.nav-inner{height:86px;display:flex;align-items:center;gap:34px}.logo{display:inline-flex;align-items:center;gap:10px;font-size:25px;font-weight:760;letter-spacing:-1px;white-space:nowrap}.logo img{width:33px;height:33px}.main-nav{margin-left:auto;display:flex;gap:28px;font-size:14px;font-weight:550}.main-nav a{transition:color .15s}.main-nav a:hover{color:var(--teal-dark)}.nav-tools{display:flex;align-items:center;gap:18px}.language{display:flex;align-items:center;gap:5px}.language svg{width:17px;height:17px}.language select{appearance:none;background:transparent;border:0;padding:6px 19px 6px 3px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7'%3E%3Cpath d='m1 1 4 4 4-4' fill='none' stroke='%23183d39' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right center;font-size:12px;color:var(--ink);cursor:pointer;max-width:110px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:50px;padding:13px 24px;border:1px solid transparent;border-radius:9px;background:var(--ink);color:white;font-size:14px;font-weight:650;transition:transform .15s,background .15s;white-space:normal;text-align:center}.button:hover{background:#24564e;transform:translateY(-2px)}.button.small{min-height:40px;padding:9px 17px;font-size:13px}.button.teal{background:var(--teal-dark)}.button.teal:hover{background:#006f6d}.button.ghost{background:transparent;border-color:var(--line);color:var(--ink)}.button.ghost:hover{background:var(--mint)}.button.light{background:white;color:var(--ink)}.button svg{width:17px;height:17px;flex-shrink:0}.nav-toggle{display:none;border:0;background:transparent;padding:8px}.nav-toggle svg{width:22px;height:22px}
.hero{padding:80px 0 52px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.eyebrow{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:750;letter-spacing:1.8px;text-transform:uppercase;color:var(--teal-dark);margin-bottom:23px}.eyebrow::before{content:"";width:7px;height:7px;background:var(--teal);border-radius:50%}.hero h1{font-size:clamp(38px,4.35vw,60px);font-weight:730;letter-spacing:-2.8px;line-height:1.1;max-width:560px}.hero h1 span{display:block}.hero h1 .accent{color:var(--teal-dark)}.hero-copy>p{font-size:17px;color:var(--muted);max-width:455px;margin-top:25px;line-height:1.75}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-top:31px}.text-link{display:inline-flex;gap:9px;align-items:center;font-size:14px;font-weight:650;padding:10px 8px}.text-link svg{width:17px;height:17px}.hero-note{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:21px;color:var(--muted);font-size:11px}.hero-note span{display:flex;align-items:center;gap:5px}.hero-note svg{width:14px;height:14px;color:var(--teal-dark)}.demo-surround{position:relative;padding:28px 0 30px}.demo-surround::before{content:"";position:absolute;inset:3px -30px;background:#dceee6;border-radius:50% 50% 40% 40%;transform:rotate(-9deg);z-index:-1}.demo{position:relative;background:#fff;border:1px solid #cfdfd6;border-radius:15px;box-shadow:var(--shadow);overflow:hidden;transform:rotate(-1deg)}.demo:focus-within{transform:none}.demo-top{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--line);background:#fcfdfb;gap:10px}.demo-top .logo{font-size:16px;letter-spacing:-.5px;gap:7px}.demo-top .logo img{width:23px;height:23px}.demo-label{font-size:9px;letter-spacing:.4px;color:var(--muted);text-transform:uppercase}.demo-source{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 20px 16px}.demo-tabs{display:flex;gap:3px;border:1px solid var(--line);border-radius:7px;padding:3px;background:var(--paper)}.demo-tabs button{border:0;background:transparent;color:var(--muted);font-size:11px;font-weight:600;padding:6px 12px;border-radius:4px}.demo-tabs button[aria-selected=true]{background:white;color:var(--teal-dark);box-shadow:0 1px 4px #173d3912}.source-name{font-size:11px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.demo-title{padding:0 20px 13px;display:flex;justify-content:space-between;align-items:baseline;gap:10px}.demo-title h2{font-size:16px;font-weight:650;letter-spacing:-.3px}.demo-title p{font-size:10px;color:var(--muted)}.table-scroll{height:220px;overflow:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scrollbar-width:thin}.demo table{width:100%;border-collapse:collapse;font-size:11px;text-align:left;table-layout:fixed;min-width:380px}.demo th{position:sticky;top:0;z-index:1;background:#f0f7f2;font-size:10px;font-weight:600;letter-spacing:.2px;height:37px;border-bottom:1px solid #d9e9df}.demo th:first-child{width:35px;text-align:center;color:#a1afa8}.demo th:nth-child(2){width:70px}.demo th:nth-child(3){width:41%}.demo th input{width:100%;border:0;background:transparent;color:var(--ink);font-size:10px;font-weight:650;min-height:32px;padding:5px 8px}.demo th input:hover,.demo th input:focus{background:#ddf0e6}.demo td{padding:11px 8px;border-bottom:1px solid #edf2ee;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#415d52}.demo td:first-child{color:#9aad9f;text-align:center;font-size:9px}.demo td:nth-child(2){font-family:ui-monospace,SFMono-Regular,monospace;font-size:10px;color:var(--muted)}.demo td:last-child{color:var(--teal-dark)}.demo tr:last-child td{border:0}.demo tr.new{animation:row-in .7s ease}.demo-bottom{padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.demo-stats strong{display:block;font-size:12px;font-weight:650}.demo-stats span{display:block;font-size:10px;color:var(--muted);margin-top:1px}.demo-buttons{display:flex;gap:7px;align-items:center}.demo-buttons button{border-radius:6px;border:1px solid #dce7e0;background:white;padding:8px 10px;font-size:10px;font-weight:600;white-space:nowrap}.demo-buttons button.primary{background:var(--teal-dark);border-color:var(--teal-dark);color:white}.demo-buttons button:disabled{background:#f4f7f5;color:#9aa9a0;border-color:#e7ede9}.demo-hint{padding:10px 18px;background:#f8faf7;font-size:10px;text-align:center;color:var(--muted);border-top:1px solid var(--line)}.demo-hint button{background:none;border:0;text-decoration:underline;padding:0 0 0 8px;color:var(--teal-dark);font-size:10px}.floating-note{position:absolute;right:-20px;bottom:12px;display:flex;align-items:center;gap:10px;padding:12px 17px;background:white;box-shadow:0 8px 30px #173d3913;border:1px solid #e1ebe3;border-radius:9px;font-size:11px;transform:rotate(2deg)}.floating-note svg{width:23px;height:23px;color:var(--teal-dark)}.floating-note small{display:block;color:var(--muted);font-size:9px}.trust-strip{display:flex;justify-content:center;gap:45px;align-items:center;margin-top:58px;padding-top:28px;border-top:1px solid var(--line);font-size:12px;color:#728379}.trust-strip span{display:flex;align-items:center;gap:9px}.trust-strip svg{width:18px;height:18px;color:#829c8e}
.section{padding:92px 0}.section-heading{max-width:670px;margin-bottom:43px}.section-heading h2{font-size:40px;line-height:1.18;letter-spacing:-1.5px;font-weight:680}.section-heading>p{color:var(--muted);font-size:16px;margin-top:17px;max-width:550px}.overline{display:block;color:var(--teal-dark);text-transform:uppercase;letter-spacing:1.7px;font-size:10px;font-weight:750;margin-bottom:16px}.white-section{background:white;border-block:1px solid var(--line)}.feature-lead{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.feature-copy h2{font-size:38px;line-height:1.2;letter-spacing:-1.35px;font-weight:680}.feature-copy>p{color:var(--muted);margin-top:20px;max-width:460px}.feature-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px;font-size:13px}.feature-list li{display:flex;gap:10px;align-items:flex-start}.feature-list svg{width:17px;height:17px;flex-shrink:0;color:var(--teal-dark);margin-top:3px}.flow-art{background:#eaf3ed;border:1px solid #dce8df;border-radius:14px;padding:32px;position:relative;min-height:355px}.flow-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:25px;font-size:11px;font-weight:650}.flow-top>span{background:white;border:1px solid var(--line);border-radius:20px;padding:4px 10px;font-size:9px;font-weight:500;color:var(--muted)}.page-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.mini-page{background:white;border:1px solid #d7e5db;border-radius:7px;box-shadow:0 5px 12px #173d3905;padding:15px 12px;min-width:0}.mini-page strong{font-size:11px;display:block}.mini-page small{font-size:9px;color:var(--muted);display:block;margin:3px 0 13px}.tiny-grid{height:68px;border:1px solid #d9e7dc;background:repeating-linear-gradient(to bottom,transparent 0,transparent 16px,#d9e7dc 16px,#d9e7dc 17px),repeating-linear-gradient(to right,transparent 0,transparent 30px,#d9e7dc 30px,#d9e7dc 31px);border-radius:3px;position:relative}.tiny-grid::before{content:"";position:absolute;inset:0 0 auto;height:15px;background:#e3f2e8}.join-lines{height:35px;margin:0 18%;border-inline:1px solid #aacbb8;border-bottom:1px solid #aacbb8;position:relative;border-radius:0 0 9px 9px}.join-lines::after{content:"";position:absolute;left:50%;bottom:-18px;height:18px;border-left:1px solid #aacbb8}.merged-sheet{background:var(--ink);color:white;padding:17px 19px;margin:17px 25px 0;border-radius:8px;display:flex;justify-content:space-between;align-items:center;font-size:12px}.merged-sheet svg{width:22px;height:22px;color:#91d5b4}.merged-sheet small{display:block;font-size:10px;color:#b9d3c6;margin-top:2px}.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:65px}.feature-card{border-top:1px solid var(--line);padding-top:29px}.feature-card>.icon-box{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:#eff6f0;width:43px;height:43px;margin-bottom:19px;color:var(--teal-dark)}.icon-box svg{width:22px;height:22px}.feature-card h3{font-size:19px;letter-spacing:-.45px;line-height:1.3;margin-bottom:11px;font-weight:650}.feature-card p{color:var(--muted);font-size:13px;line-height:1.8;max-width:330px}.pdf-section{padding:80px 0}.pdf-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}.pdf-art{position:relative;min-height:340px;padding:15px 45px}.pdf-page{background:white;border:1px solid #d5e1d7;box-shadow:0 12px 35px #284e3720;padding:28px 24px;width:250px;min-height:290px;transform:rotate(-6deg)}.pdf-page::after{content:"";position:absolute;inset:10px -10px -10px 10px;background:#fdfefb;border:1px solid #d5e1d7;z-index:-1}.pdf-page .tag{color:#a37760;font-size:9px;font-weight:700;letter-spacing:1.2px}.pdf-page h3{font-family:Georgia,serif;font-size:19px;font-weight:500;line-height:1.3;margin:20px 0 7px}.pdf-page p{font-size:8px;color:var(--muted);margin-bottom:22px}.pdf-lines{height:90px;background:repeating-linear-gradient(to bottom,transparent 0,transparent 17px,#dce6de 17px,#dce6de 18px),repeating-linear-gradient(to right,transparent 0,transparent 58px,#dce6de 58px,#dce6de 59px);border:1px solid #dce6de}.selection{position:absolute;inset:126px 14px 67px;border:2px solid var(--teal);background:#00b4b30c}.selection::after,.selection::before{content:"";width:6px;height:6px;background:white;border:1px solid var(--teal);position:absolute}.selection::before{left:-4px;top:-4px}.selection::after{right:-4px;bottom:-4px}.pdf-result{position:absolute;right:10px;bottom:12px;background:white;border:1px solid #d2e1d6;border-radius:10px;box-shadow:0 10px 30px #163d3915;min-width:205px;padding:18px;transform:rotate(4deg)}.pdf-result strong{font-size:12px;display:flex;gap:8px;align-items:center}.pdf-result svg{color:var(--teal-dark);width:17px;height:17px}.pdf-result span{font-size:9px;color:var(--muted);display:block;margin-top:7px}.sheet-tabs{display:flex;gap:5px;margin-top:14px}.sheet-tabs i{font-style:normal;border:1px solid #d4e6d9;padding:4px 8px;border-radius:4px;font-size:8px;background:#f0f8f2}.label-note{font-size:10px;color:var(--muted);margin-top:20px;display:inline-block}.workflow{display:grid;grid-template-columns:repeat(3,1fr);gap:42px}.step{position:relative;border-top:1px solid #ccdfd1;padding-top:25px}.step-number{font-family:Georgia,serif;color:#90ad9a;font-size:40px;line-height:1;display:block;margin-bottom:18px}.step h3{font-size:18px;margin-bottom:10px;letter-spacing:-.4px}.step p{font-size:13px;color:var(--muted);max-width:310px;line-height:1.8}.workflow-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}.workflow-heading .text-link{flex-shrink:0;margin-bottom:40px;color:var(--teal-dark)}.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:90px}.faq-list details{border-bottom:1px solid var(--line);padding:20px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{font-size:15px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:baseline;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";font-size:20px;color:var(--teal-dark);font-weight:400;flex-shrink:0}.faq-list details[open] summary::after{content:"−"}.faq-list details p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:13px;padding-right:25px}.faq-grid .section-heading h2{font-size:35px}
.download-section{padding:0 0 70px}.download-box{background:var(--ink);border-radius:16px;color:white;padding:52px 58px;display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;position:relative;overflow:hidden}.download-box::after{content:"";width:290px;height:290px;border:1px solid #91c7b01a;position:absolute;border-radius:50%;right:-180px;top:-180px;box-shadow:0 0 0 40px #91c7b008,0 0 0 80px #91c7b005;pointer-events:none}.download-box h2{font-size:36px;letter-spacing:-1.4px;line-height:1.15;font-weight:650}.download-box p{font-size:13px;color:#b3cec0;margin-top:14px;max-width:400px;line-height:1.8}.download-box .overline{color:#80d2b1}.download-action{text-align:center}.download-action>.button{width:100%;max-width:340px}.download-action small{display:block;color:#b3cec0;font-size:10px;margin-top:12px}.install-link{border:0;background:none;color:#d8ebe0;text-decoration:underline;font-size:12px;margin-top:17px}.site-footer{border-top:1px solid var(--line);padding:32px 0 35px}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.footer-brand .logo{font-size:19px;letter-spacing:-.6px}.footer-brand .logo img{width:25px;height:25px}.footer-brand>p{font-size:11px;color:var(--muted);margin-top:8px}.footer-links{display:flex;gap:25px;font-size:12px;color:var(--muted)}.footer-links button{border:0;background:none;padding:0;color:inherit;font-size:inherit;cursor:pointer}.copyright{font-size:10px;color:#94a297;margin-top:26px}.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}
dialog{border:1px solid var(--line);border-radius:16px;padding:30px;width:min(620px,calc(100% - 32px));max-height:86vh;color:var(--ink);box-shadow:0 30px 90px #123d3950;background:var(--paper)}dialog::backdrop{background:#183d3977;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.dialog-top h2{font-size:26px;letter-spacing:-.7px;line-height:1.2}.dialog-top button{background:none;border:1px solid var(--line);border-radius:50%;width:30px;height:30px;padding:6px;flex-shrink:0}.dialog-top svg{width:16px;height:16px}.install-steps{list-style:none;padding:0;display:grid;gap:22px;counter-reset:steps}.install-steps li{position:relative;padding-left:36px;counter-increment:steps;font-size:13px;color:var(--muted)}.install-steps li::before{content:counter(steps);position:absolute;left:0;top:0;width:24px;height:24px;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);border-radius:50%;font-size:11px;font-weight:650}.install-steps strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}.browser-path{display:flex;gap:8px;margin:9px 0;align-items:center;background:white;border:1px solid var(--line);border-radius:7px;padding:9px 11px;justify-content:space-between}.browser-path code{font-size:11px;overflow-wrap:anywhere}.copy-button{padding:4px 8px;border:0;background:var(--mint);color:var(--teal-dark);font-size:10px;border-radius:4px}.dialog-note{margin-top:22px;padding:13px 15px;border-radius:8px;background:#edf3ec;font-size:11px;color:#526f5e;line-height:1.8}.privacy-content h3{font-size:15px;margin:22px 0 7px}.privacy-content p{font-size:13px;color:var(--muted);line-height:1.8}.privacy-content .updated{font-size:10px;margin-bottom:10px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:50;padding:12px 20px;border-radius:8px;background:var(--ink);color:white;font-size:12px;box-shadow:var(--shadow);max-width:calc(100% - 32px);text-align:center}.toast[hidden]{display:none}html[lang^=zh] .hero h1{font-size:clamp(37px,3.6vw,51px);line-height:1.3;letter-spacing:-1.8px}html[lang^=zh] .hero-copy>p{font-size:16px;line-height:1.9}html[lang^=zh] .section-heading h2,html[lang^=zh] .feature-copy h2{font-size:34px;letter-spacing:-1px;line-height:1.35}
@keyframes row-in{from{background:#c8f3df}to{background:white}}
@media(min-width:1500px){.hero{padding-top:100px;padding-bottom:65px}.hero-grid{gap:70px}.demo-surround{padding-block:35px}.table-scroll{height:235px}}
@media(max-width:1100px){.container{width:calc(100% - 56px)}.nav-inner{gap:20px}.main-nav{gap:17px}.nav-tools{gap:11px}.hero-grid{gap:32px;grid-template-columns:.95fr 1.05fr}.hero h1{font-size:46px;letter-spacing:-2px}.hero{padding-top:60px}.hero-copy>p{font-size:15px}.hero-actions{gap:8px}.hero-actions .button{padding-inline:17px}.text-link{font-size:12px}.source-name{max-width:160px}.demo-source{padding-inline:15px}.demo-title{padding-inline:15px}.demo-bottom{padding-inline:15px}.demo-buttons button{padding:7px 8px}.floating-note{right:-9px}.feature-lead{gap:45px}.flow-art{padding:25px}.mini-page{padding:12px 9px}.feature-copy h2{font-size:33px}.pdf-inner{gap:40px}.faq-grid{gap:55px}}
@media(max-width:900px){.main-nav{display:none}.nav-tools{margin-left:auto}.hero-grid{grid-template-columns:1fr;gap:25px}.hero-copy{text-align:center;max-width:650px;margin:auto}.hero-copy .eyebrow,.hero-actions,.hero-note{justify-content:center}.hero h1{font-size:58px;max-width:650px}.hero-copy>p{margin-inline:auto;max-width:510px;font-size:17px}.demo-surround{width:min(590px,100%);margin:auto}.demo-source .source-name{max-width:none}.trust-strip{gap:25px;flex-wrap:wrap;margin-top:28px}.feature-lead{gap:35px}.feature-copy h2{font-size:31px}.feature-copy>p{font-size:14px}.flow-art{padding:22px;min-height:320px}.page-stack{gap:7px}.mini-page{padding:12px 7px}.merged-sheet{margin-inline:8px}.flow-top{font-size:10px}.flow-top>span{font-size:8px}.feature-cards{gap:20px}.pdf-art{padding-left:5px}.pdf-result{right:0}.pdf-inner{gap:35px;grid-template-columns:1fr 1fr}.workflow{gap:25px}.faq-grid{grid-template-columns:.75fr 1.25fr;gap:35px}.download-box{padding:40px;gap:32px}.download-box h2{font-size:31px}.hero h1 span{white-space:normal}html[lang^=zh] .hero h1{font-size:48px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.demo{transform:none}}

.dialog-status{margin-top:18px;padding:11px 13px;background:#dff2e8;border-radius:7px;color:#285f49;font-size:12px}.dialog-status[hidden]{display:none}
.hero-grid>*{min-width:0}
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