@charset "UTF-8";
:root{--canvas:#e8eeef;--surface:#f9fbfa;--ink:#253e49;--soft:#4b646f;--accent:#397d72;--strong:#276c60;--line:#ccd9da;--mint:#e1efe9;--dark:#1d333b;--radius:12px;color-scheme:light;font-family:Calibri,"DengXian","Microsoft YaHei UI",sans-serif;color:var(--ink);background:var(--canvas)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-size:17px;line-height:1.7}a{color:inherit;text-decoration:none;text-underline-offset:5px}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed}img{display:block;max-width:100%;height:auto}svg{width:22px;height:22px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}::selection{color:var(--ink);background:#bfddd1}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{text-wrap:balance;line-height:1.25}p{color:var(--soft)}.skip{position:fixed;z-index:10;top:-100px;left:16px;background:var(--surface);padding:12px}.skip:focus{top:12px}.section{max-width:1180px;margin:0 auto;padding:108px 32px;scroll-margin-top:12px}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.header-inner{max-width:1312px;margin:auto;padding:20px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;font-size:24px;font-weight:700;letter-spacing:-.025em}.brand img{border-radius:9px}.site-header nav{display:flex;align-items:center;gap:34px;font-size:15px;font-weight:600}.site-header nav>a{padding:9px 0}.site-header nav>a:hover{color:var(--accent)}.site-header .nav-web{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:6px;padding:10px 18px;margin-left:12px}.nav-web svg{width:17px;height:17px}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;width:44px;height:44px;align-items:center;justify-content:center}
.hero{text-align:center;padding:78px 32px 0;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 10%,#f9fbfa 0%,#eef4f1 35%,var(--canvas) 75%)}.hero h1{font-size:clamp(42px,5.4vw,74px);font-weight:700;letter-spacing:-.035em;line-height:1.22}.hero-description{font-size:19px;margin:25px auto 0;line-height:1.9;max-width:600px}.hero-actions{display:flex;align-items:center;justify-content:center;gap:30px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;padding:12px 25px;border-radius:6px;font-size:15px;font-weight:600;border:1px solid transparent;transition:background 160ms,color 160ms,box-shadow 160ms}.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--strong);box-shadow:0 6px 18px rgb(39 108 96 /14%)}.text-link{display:inline-flex;gap:13px;align-items:center;font-size:15px;font-weight:600}.text-link:hover{text-decoration:underline;color:var(--strong)}.availability{margin:16px 0 0;font-size:13px;color:#536b72}.availability span{padding:0 9px}.product-stage{max-width:1116px;margin:48px auto 0;text-align:left;animation:stage-enter 700ms cubic-bezier(.16,1,.3,1) both}.stage-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:16px}.stage-label{font-size:14px;font-weight:600;color:var(--soft)}.view-controls{display:flex;border:1px solid #becfd0;border-radius:7px;padding:3px;background:var(--surface)}.view-controls button{border:0;background:transparent;color:var(--soft);min-height:38px;min-width:58px;padding:6px 14px;border-radius:4px;font-size:13px}.view-controls button[aria-pressed=true]{background:var(--accent);color:#fff}.view-controls button:hover:not([aria-pressed=true]){background:var(--mint)}.screenshot-shell{overflow:hidden;border-radius:12px;box-shadow:0 24px 60px rgb(32 60 66 /14%)}.screenshot-shell img{width:100%;aspect-ratio:1366/900;object-fit:contain;background:var(--canvas)}.product-stage figcaption{text-align:right;font-size:11px;line-height:1.6;color:var(--soft);margin-top:14px}.product-section{display:grid;grid-template-columns:1fr 1.05fr;gap:100px;padding-top:128px}.product-intro h2,.section-heading h2,.membership-copy h2,.help-intro h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.025em}.product-intro p{margin-top:25px;font-size:16px;max-width:38ch}.feature-list{display:grid;gap:32px}.feature-list article{display:flex;align-items:flex-start;gap:22px;padding-bottom:29px;border-bottom:1px solid var(--line)}.feature-list article:last-child{padding-bottom:0;border:0}.feature-list svg{margin-top:4px;color:var(--accent);width:26px;height:26px}.feature-list h3{font-size:20px;font-weight:600}.feature-list p{font-size:15px;margin-top:10px;line-height:1.9}.getting-started{border-top:1px solid var(--line);padding-top:85px}.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:flex-end}.section-heading p{font-size:16px;text-align:right}.steps{padding:0;margin:50px 0 0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.steps li{border-top:1px solid var(--line);padding-top:23px}.step-number{display:inline-block;color:var(--accent);font-size:27px;font-weight:600;font-variant-numeric:tabular-nums;margin-bottom:20px}.steps h3{font-size:20px}.steps p{font-size:15px;margin-top:13px;max-width:30ch}.download-band{background:var(--dark);color:#f2f8f5}.download-inner{display:grid;grid-template-columns:.75fr 1.35fr;gap:100px}.download-heading h2{font-size:40px;letter-spacing:-.025em}.download-heading p{color:#c6d9d5;margin-top:27px;font-size:15px}.download-heading a{text-decoration:underline}.platforms{display:grid;gap:28px}.platform{padding-bottom:28px;border-bottom:1px solid #50666b}.platform:last-child{padding-bottom:0;border:0}.platform-heading{display:flex;align-items:center;gap:14px}.platform-heading svg{color:#90c9b9}.platform h3{font-size:22px}.status{font-size:12px;color:#d4e2dd;margin-left:auto;padding:3px 9px;background:#344a50;border-radius:5px;white-space:nowrap}.status.available{background:#37574e;color:#ddf1e8}.platform p{font-size:15px;color:#c6d9d5;margin:12px 0 18px}.platform small{display:block;font-size:12px;color:#bed0cc;margin-top:11px}.platform .button{min-height:44px;padding:10px 19px;font-size:14px}.disabled{background:#354b51;color:#c6d5d1;border:1px solid #597076}.outline{background:transparent;border:1px solid #759c92;color:#e7f2ee}.outline:hover{background:#314e50}.membership-section{display:grid;grid-template-columns:1fr 1.12fr;align-items:center;gap:100px}.membership-copy p{font-size:16px;max-width:37ch;margin-top:25px}.membership-copy .text-link{margin-top:25px;color:var(--strong)}.membership-guide{background:var(--surface);padding:35px;border-radius:var(--radius)}.membership-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:600;padding-bottom:24px;border-bottom:1px solid var(--line)}.membership-brand img{border-radius:10px}.duration{margin-left:auto;color:var(--strong);font-size:15px;background:var(--mint);border-radius:5px;padding:4px 10px}.membership-guide h3{font-size:23px;margin-top:25px}.membership-guide ol{margin:23px 0 0;padding-left:23px;font-size:15px;color:var(--soft)}.membership-guide li{margin:12px 0;padding-left:4px}.note{font-size:13px;margin-top:25px;background:var(--mint);padding:16px;border-radius:6px;color:#365c52}.membership-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;font-size:13px;color:var(--soft)}.membership-bottom a{color:var(--strong);font-weight:600}.membership-bottom a:hover{text-decoration:underline}.help-section{display:grid;grid-template-columns:.95fr 1.05fr;gap:100px;border-top:1px solid var(--line)}.help-intro>p{font-size:16px;margin-top:25px}.secondary{background:var(--surface);border:1px solid var(--line);color:var(--ink);margin-top:25px}.secondary:hover{background:var(--mint)}.diagnostic-note{margin-top:40px;max-width:38ch}.diagnostic-note h3{font-size:16px}.diagnostic-note p{font-size:13px;margin-top:10px}.faq details{border-bottom:1px solid var(--line)}.faq summary{position:relative;padding:23px 34px 23px 0;cursor:pointer;font-size:17px;font-weight:600;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-size:24px;font-weight:400;position:absolute;right:0;top:18px;color:var(--accent)}.faq details[open] summary::after{content:"−"}.faq details p{font-size:15px;padding:0 28px 24px 0;line-height:1.9}.faq summary:hover{color:var(--strong)}.closing{text-align:center;border-top:1px solid var(--line);padding:80px 32px 100px}.closing img{margin:0 auto 24px;border-radius:14px}.closing h2{font-size:40px;letter-spacing:-.03em}.closing .button{margin-top:28px}.site-footer{background:var(--surface);padding:40px max(32px,calc((100vw - 1116px)/2))}.footer-main{display:flex;justify-content:space-between;align-items:center;gap:30px}.site-footer .brand{font-size:21px}.footer-links{display:flex;flex-wrap:wrap;gap:24px;font-size:13px;color:var(--soft)}.footer-links a:hover{color:var(--strong);text-decoration:underline}.footer-meta{display:flex;justify-content:space-between;gap:16px;margin-top:28px;font-size:12px;color:var(--soft)}.footer-meta span span{padding:0 8px}
@keyframes stage-enter{from{transform:translateY(14px);opacity:.8}to{transform:translateY(0);opacity:1}}
@media(min-width:1600px){.hero{padding-top:100px}.product-stage{max-width:1180px}.hero h1{font-size:80px}}
@media(max-width:1000px){.header-inner{padding:18px 26px}.site-header nav{gap:22px}.product-section,.membership-section,.help-section,.download-inner{gap:45px}.section{padding:80px 28px}.hero{padding-top:62px}.product-section{padding-top:90px}.download-inner{grid-template-columns:.85fr 1.3fr}.footer-links{gap:16px}.footer-main{align-items:flex-start}}
@media(max-width:680px){body{font-size:16px}.header-inner{padding:15px 20px;position:relative;flex-wrap:wrap}.brand{font-size:22px}.brand img{width:34px;height:34px}.menu-toggle{display:flex}.site-header nav{width:100%;flex-wrap:wrap;gap:8px 25px;font-size:15px;padding-top:7px}.site-header nav>a{min-height:44px;display:inline-flex;align-items:center}.site-header .nav-web{margin-left:0;margin-top:5px;width:100%;justify-content:center}.menu-ready nav:not(.is-open){display:none}.hero{padding:51px 20px 0}.hero h1{font-size:44px;letter-spacing:-.035em}.hero-description{font-size:16px;line-height:1.9;margin-top:23px}.desktop-break{display:none}.hero-actions{gap:20px;margin-top:25px;flex-wrap:wrap}.hero .button{padding:12px 18px}.hero .text-link{font-size:14px;min-height:44px}.availability{font-size:12px;margin-top:10px}.product-stage{margin-top:31px}.stage-label{font-size:12px}.stage-toolbar{gap:10px;margin-bottom:10px}.view-controls button{min-width:44px;min-height:38px;padding:6px 9px;font-size:12px}.screenshot-shell{border-radius:6px;box-shadow:0 12px 30px rgb(32 60 66 /12%)}.product-stage figcaption{text-align:left;font-size:11px;margin-top:12px}.section{padding:64px 22px}.product-section,.membership-section,.help-section,.download-inner{display:block}.product-intro h2,.section-heading h2,.membership-copy h2,.help-intro h2,.download-heading h2{font-size:30px}.product-intro p,.membership-copy p{font-size:15px;max-width:none;margin-top:20px}.feature-list{margin-top:39px;gap:25px}.feature-list article{gap:16px;padding-bottom:23px}.feature-list h3{font-size:18px}.feature-list svg{width:23px;height:23px}.feature-list p{font-size:14px}.section-heading{display:block}.section-heading p{text-align:left;font-size:14px;margin-top:20px}.section-heading p br{display:none}.steps{display:block;margin-top:30px}.steps li{display:grid;grid-template-columns:32px 1fr;column-gap:13px;padding:23px 0}.step-number{grid-row:1/3;margin-bottom:0;font-size:22px}.steps h3{font-size:18px;margin-top:4px}.steps p{max-width:none;font-size:14px;line-height:1.8;margin-top:8px}.download-heading p{margin-top:20px;font-size:14px}.platforms{margin-top:43px;gap:26px}.platform h3{font-size:21px}.platform p{font-size:14px}.platform .button{width:100%}.membership-guide{margin-top:32px;padding:24px 21px}.membership-brand{font-size:16px;gap:10px}.membership-brand img{width:36px;height:36px}.membership-guide h3{font-size:22px}.membership-guide ol{font-size:14px}.note{font-size:12px}.help-intro>p{font-size:15px;margin-top:20px}.diagnostic-note{margin-top:28px;max-width:none}.faq{margin-top:35px}.faq summary{font-size:16px;padding:21px 27px 21px 0}.faq details p{font-size:14px;padding-right:0}.closing h2{font-size:32px}.closing img{width:52px;height:52px}.site-footer{padding:30px 22px}.footer-main,.footer-meta{display:block}.footer-links{margin-top:24px;gap:9px 22px}.footer-links a{min-height:36px;display:flex;align-items:center}.footer-meta{margin-top:21px;font-size:11px}.footer-meta>span{display:block;margin-top:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-stage{animation:none}.button{transition:none}}
.view-controls button{min-height:44px}
.promo-section{padding-top:0;padding-bottom:90px}.promo-section .section-heading{align-items:center;gap:32px}.promo-section h2{font-size:36px}.promo-film{margin:32px 0 0}.promo-film video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#e8eeef;border:1px solid var(--line);border-radius:12px}.promo-film figcaption{font-size:12px;line-height:1.8;color:var(--soft);margin-top:14px}.promo-error{margin-top:20px}.promo-error p{margin-bottom:12px;font-size:14px}.promo-error[hidden]{display:none}@media(max-width:680px){.promo-section{padding-top:0;padding-bottom:50px}.promo-section h2{font-size:29px}.promo-film{margin-top:24px}.promo-film video{border-radius:8px}.promo-film figcaption{font-size:11px}}
.membership-purchase{gap:12px}.membership-purchase svg{width:17px;height:17px}.membership-copy .purchase-note{font-size:13px;line-height:1.85;margin-top:12px;max-width:48ch}
.experience-section{padding-top:15px;padding-bottom:80px}.experience-row{display:grid;grid-template-columns:1.35fr 1fr;gap:68px;align-items:center}.experience-row+.experience-row{margin-top:90px}.experience-row.reverse{grid-template-columns:1fr 1.35fr}.experience-row.reverse .experience-image{order:2}.experience-image img{border-radius:8px;width:100%;height:auto}.experience-image figcaption{font-size:12px;color:var(--soft);margin-top:12px}.experience-copy h2{font-size:34px;letter-spacing:-.025em}.experience-copy>p{font-size:15px;margin-top:22px;line-height:1.9}.experience-copy dl{margin:26px 0 0}.experience-copy dl>div{padding:14px 0;border-bottom:1px solid var(--line)}.experience-copy dl>div:last-child{border:0}.experience-copy dt{font-weight:600;font-size:15px}.experience-copy dd{margin:5px 0 0;font-size:14px;color:var(--soft);line-height:1.8}.client-access{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:42px;padding-top:42px;padding-bottom:42px}.client-access h2{font-size:23px;letter-spacing:-.015em}.client-access p{font-size:14px;margin-top:12px}.client-access .client-versions{font-size:12px;margin-top:8px}.client-versions span{margin:0 8px}.client-link{flex-shrink:0;text-align:right}.client-link a{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:transparent;border:1px solid #becfd0;border-radius:6px;min-height:44px;padding:10px 16px;color:var(--soft);font-size:13px}.client-link a:hover{border-color:var(--accent);color:var(--accent)}.client-link svg{width:16px;height:16px}.client-link small{display:block;font-size:11px;color:var(--soft);margin-top:7px}.closing{padding-top:62px;padding-bottom:70px}
@media(max-width:1000px){.experience-row,.experience-row.reverse{gap:35px}.experience-copy h2{font-size:30px}.experience-copy dl{margin-top:18px}}
@media(max-width:680px){.experience-section{padding-top:0;padding-bottom:40px}.experience-row,.experience-row.reverse{display:flex;flex-direction:column;align-items:stretch;gap:26px}.experience-row+.experience-row{margin-top:55px}.experience-row.reverse .experience-image{order:0}.experience-copy h2{font-size:29px}.experience-copy>p{font-size:14px;margin-top:17px}.experience-copy dl{margin-top:20px}.experience-copy dd{font-size:13px}.client-access{display:block;padding-top:30px;padding-bottom:30px}.client-access h2{font-size:21px}.client-access p{font-size:13px}.client-link{margin-top:20px;text-align:left}.client-link small{margin-top:8px}.client-link a{min-height:44px}.closing{padding-top:48px;padding-bottom:55px}}
.source-section{padding-top:0;padding-bottom:75px}.source-options{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin:40px 0 0}.source-options>div{border-top:1px solid var(--line);padding-top:22px}.source-options dt{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:600}.source-options svg{color:var(--accent);width:23px;height:23px}.source-options dd{margin:15px 0 0;font-size:15px;line-height:1.9;color:var(--soft)}.section-note{font-size:13px;line-height:1.85;margin-top:26px;max-width:90ch}.quality-section{background:#e0ece7}.quality-inner{padding-top:74px;padding-bottom:74px}.quality-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin:40px 0 0}.quality-presets>div{border-top:1px solid #afc9bf;padding-top:22px}.quality-presets dt{font-size:17px;font-weight:600;color:var(--strong)}.quality-presets dd{margin:11px 0 0}.quality-presets strong{font-size:23px;font-weight:600;line-height:1.4;font-variant-numeric:tabular-nums}.quality-presets span{display:block;font-size:14px;color:#456358;margin-top:6px}.quality-details{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:40px;padding-top:32px;border-top:1px solid #afc9bf}.quality-details h3{font-size:19px}.quality-details p{font-size:14px;line-height:1.9;margin-top:13px;color:#456358}.platform-section{padding-top:78px;padding-bottom:78px}.platform-table{width:100%;border-collapse:collapse;margin-top:36px;text-align:left;font-size:15px;table-layout:fixed}.platform-table th,.platform-table td{padding:17px 16px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.platform-table th:first-child{padding-left:0;width:31%}.platform-table td:last-child{padding-right:0}.platform-table thead th{color:var(--strong);font-size:14px;font-weight:600}.platform-table tbody th{font-weight:500}.platform-table td{color:var(--soft)}.appearance-note{display:flex;gap:17px;align-items:flex-start;margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}.appearance-note svg{color:var(--accent);margin-top:4px}.appearance-note h3{font-size:18px}.appearance-note p{font-size:14px;margin-top:8px;max-width:75ch}.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}
@media(max-width:1000px){.source-options,.quality-presets{gap:25px}.quality-details{gap:36px}.quality-presets strong{font-size:20px}}
@media(max-width:680px){.source-section{padding-top:0;padding-bottom:45px}.source-options{display:block;margin-top:26px}.source-options>div{padding-top:19px;margin-top:24px}.source-options dt{font-size:18px}.source-options dd{font-size:14px;margin-top:11px}.section-note{font-size:12px;margin-top:22px}.quality-inner{padding-top:50px;padding-bottom:50px}.quality-presets{display:block;margin-top:26px}.quality-presets>div{display:grid;grid-template-columns:60px 1fr;gap:12px;padding-top:17px;margin-top:19px}.quality-presets dt{font-size:16px;padding-top:2px}.quality-presets dd{margin:0}.quality-presets strong{font-size:20px}.quality-presets span{font-size:13px}.quality-details{display:block;margin-top:28px;padding-top:23px}.quality-details article+article{margin-top:26px}.quality-details h3{font-size:18px}.quality-details p{font-size:13px}.platform-section{padding-top:50px;padding-bottom:50px}.platform-table{font-size:12px;margin-top:26px}.platform-table th,.platform-table td{padding:13px 6px;vertical-align:top}.platform-table th:first-child{width:30%}.platform-table thead th{font-size:12px}.appearance-note{gap:12px;margin-top:25px;padding-top:22px}.appearance-note h3{font-size:16px}.appearance-note p{font-size:13px}}