:root{color-scheme:light;--paper:#faf8f5;--ink:#292520;--muted:#756e64;--line:#e6e0d7;--accent:#ae653a;--cup:#d79a59}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Geist,-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b86832;outline-offset:5px}img{max-width:100%;object-fit:contain}svg{display:block}.wrap,.nav-wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip{position:fixed;top:-100px;left:20px;z-index:20;background:white;padding:10px}.skip:focus{top:10px}.site-header{position:sticky;top:0;background:rgba(250,248,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:10}.nav-wrap{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:7px;font-size:20px;font-weight:650;letter-spacing:-.6px;white-space:nowrap}.brand b{font-weight:400;color:var(--muted)}nav{display:flex;gap:32px;font-size:14px}nav a:hover,.text-link:hover,.inline-link:hover{color:var(--accent)}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:44px;padding:10px 19px;border-radius:8px;font-size:14px;font-weight:600;transition:background .18s,transform .18s}.button:hover{transform:translateY(-2px)}.nav-download{border:1px solid var(--ink)}.primary{background:var(--ink);color:#fffaf3;padding:15px 25px;font-size:16px;min-height:54px}.primary:hover{background:#67452e}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:72px;padding-block:84px 66px;align-items:center}.eyebrow{font-size:14px;letter-spacing:.06em;margin:0 0 22px;color:var(--muted);font-weight:500}.small-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:2px}h1{font-size:clamp(44px,4.6vw,66px);line-height:1.23;letter-spacing:-2px;font-weight:600;margin:0 0 26px}.accent{color:var(--accent)}.hero-description{font-size:19px;line-height:1.9;color:var(--muted);margin:0 0 30px}.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.text-link{font-size:14px}.compatibility{font-size:14px;color:var(--muted);margin:14px 0 12px}.trust-line{display:flex;gap:18px;color:#6a705c;font-size:14px}.small-note{display:flex;gap:12px;align-items:center;margin-top:36px}.small-note p{font-size:14px;line-height:1.7;margin:0}.small-note span{color:var(--muted)}.hero-stage{background:#eee8df;padding:24px;border-radius:18px;border:1px solid #e7e0d6;position:relative}.stage-caption{display:flex;justify-content:space-between;gap:12px;color:#8b7f70;font-size:14px;margin-bottom:20px}.stage-caption span:last-child{font-size:14px;letter-spacing:.03em}.desktop-demo{border-radius:12px;background:linear-gradient(135deg,#ecdac4,#ded9d4);padding-bottom:20px;box-shadow:0 12px 40px #5c3b2412;overflow:hidden}.menubar{height:38px;padding:0 15px;display:flex;align-items:center;gap:14px;background:#ffffff70;font-size:14px}.menu-context{margin-right:auto;color:#8e8273}.menu-quota{display:flex;align-items:center;gap:3px;background:#fff8ee80;border-radius:6px;padding:2px 6px;font-weight:600;font-variant-numeric:tabular-nums}.mini-cup{width:17px;height:22px;color:#855b33}.menu-icons{color:#80766c}.popover{position:relative;margin:13px 16px 0;background:#fffdf9;border:1px solid #fff;border-radius:15px;padding:20px;box-shadow:0 10px 24px #6c533c17}.popover:before{content:'';position:absolute;top:-7px;right:82px;width:13px;height:13px;background:#fffdf9;transform:rotate(45deg)}.popover-head{display:flex;justify-content:space-between;align-items:center}.popover-head strong{display:block;font-size:16px}.popover-head div span{font-size:14px;color:var(--muted)}.popover-head>span{font-size:24px;color:#8b8072}.quota-card{display:flex;align-items:center;justify-content:center;gap:18px;margin:20px 0 13px;padding:6px 0}.demo-cup{width:120px;height:164px;flex-shrink:0}.quota-numbers{display:flex;flex-direction:column;font-size:14px;color:var(--muted)}.quota-numbers p{color:var(--ink);margin:-3px 0 0;line-height:1.2;white-space:nowrap}.quota-numbers b{font-size:56px;letter-spacing:-2px;font-weight:550;font-variant-numeric:tabular-nums}.quota-numbers p span{font-size:22px;margin-left:4px}.quota-numbers strong{color:var(--ink);font-weight:500;margin:6px 0 8px}.quota-numbers>span:last-child{font-size:14px;max-width:150px;line-height:1.6}.panel-row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;padding:13px 0;border-top:1px solid #eee9e2}.panel-row>span:last-child{color:var(--muted);font-size:14px}.pill{background:#f0ece5;border-radius:5px;padding:1px 6px}.credit-row{display:flex;justify-content:space-between;gap:8px;background:#f2ede6;border-radius:7px;padding:10px;font-size:14px}.credit-row>span:last-child{color:var(--muted)}.demo-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}.demo-note{font-size:14px;color:var(--muted);margin:0}.animation-toggle{border:0;padding:4px 0;background:transparent;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:3px;cursor:pointer;white-space:nowrap}.animation-toggle:disabled{display:none}.animation-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.facts{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding-block:26px;gap:30px;color:var(--muted);font-size:14px}.facts>span{display:flex;align-items:center;justify-content:center;gap:12px}.facts>span+span{border-left:1px solid var(--line)}.facts b{font-size:16px;color:var(--ink);font-weight:500}.section{padding-block:90px}.section-heading h2{font-size:clamp(30px,3vw,40px);letter-spacing:-1px;line-height:1.4;font-weight:550;margin:0 0 14px}.section-heading>p:last-child:not(.eyebrow){color:var(--muted);margin:0}.section-heading .eyebrow{margin-bottom:14px}.features-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:44px;border-top:1px solid var(--line)}.feature{padding:32px 44px 32px 0;border-bottom:1px solid var(--line)}.feature:nth-child(even){padding-left:44px;padding-right:0;border-left:1px solid var(--line)}.feature-index{font-size:14px;color:var(--accent);letter-spacing:.05em}.feature h3{font-size:23px;font-weight:550;margin:13px 0 12px;letter-spacing:-.5px}.feature p{color:var(--muted);margin:0 0 22px;font-size:15px;max-width:430px;line-height:1.9}.feature-detail,.inline-link{font-size:14px;color:var(--accent)}.little-cup{font-size:22px;vertical-align:-2px;margin-right:5px}.install-section{padding:66px 0;background:#f0ece5;border-block:1px solid var(--line)}.steps{padding:0;margin:32px 0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:44px}.step-number{font-size:14px;color:var(--accent)}.steps h3{font-weight:550;font-size:19px;margin:12px 0}.steps p{font-size:15px;color:var(--muted);margin:0;line-height:1.9}.install-note{margin:0;padding-top:25px;border-top:1px solid #ded7cc;font-size:14px;color:var(--muted)}.install-note a{text-decoration:underline;text-underline-offset:4px}.faq-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:80px}.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:16px;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:21px;color:var(--muted);font-weight:300}.faq-list details[open] summary:after{content:'−'}.faq-list p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:0}.download-section{display:flex;align-items:center;justify-content:space-between;gap:40px;background:#eee6db;border-radius:16px;padding:48px 56px;margin-bottom:72px}.download-section h2{font-size:40px;line-height:1.4;letter-spacing:-1px;font-weight:550;margin:0}.download-section>div>p:not(.eyebrow){color:var(--muted)}.download-section .primary{margin:8px 0 10px}.release-meta{font-size:14px;margin:4px 0}.download-section>img{width:250px;height:290px;transform:rotate(6deg)}.checksum{font-size:14px;max-width:540px;margin-top:15px;color:var(--muted)}.checksum summary{cursor:pointer}.checksum code{display:block;word-break:break-all;font-size:14px;margin-top:10px}.site-footer{border-top:1px solid var(--line);padding-block:28px;display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:14px;color:var(--muted)}.site-footer .brand{color:var(--ink);font-size:17px}.site-footer>div{display:flex;gap:24px}
@media(max-width:1000px){.hero{gap:34px;padding-block:55px}.hero-stage{padding:18px}.hero-copy .eyebrow{max-width:260px}.stage-caption{font-size:14px}.stage-caption span:last-child{display:none}.popover{padding:14px;margin-inline:12px}.quota-card{gap:6px}.quota-numbers b{font-size:46px}.demo-cup{width:105px}.facts>span{flex-direction:column;gap:2px}.download-section{padding:38px}.faq-layout{gap:40px}.hero-actions{gap:15px}}
@media(max-width:740px){.wrap,.nav-wrap{width:calc(100% - 36px)}.nav-wrap{height:66px;gap:12px}nav{display:none}.brand{font-size:18px}.brand img{width:31px;height:35px}.nav-download{padding:7px 12px;min-height:38px}.hero{grid-template-columns:1fr;gap:34px;padding-block:42px}h1{font-size:48px;letter-spacing:-1.5px}.hero-description{font-size:17px;margin-bottom:25px}.small-note{display:none}.hero-copy .eyebrow{max-width:none;margin-bottom:18px}.hero-stage{max-width:460px;width:100%;justify-self:center;padding:14px}.stage-caption span:last-child{display:block}.popover{padding:12px;margin-inline:10px}.demo-cup{width:106px;height:150px}.quota-card{gap:12px}.quota-numbers b{font-size:56px}.facts{gap:0;padding:22px 0}.facts b{font-size:14px}.facts>span{font-size:14px}.facts>span:last-child{padding-left:8px}.section{padding-block:56px}.features-grid{grid-template-columns:1fr;margin-top:24px}.feature,.feature:nth-child(even){padding:26px 0;border-left:0}.feature h3{font-size:22px}.feature p{max-width:none}.install-section{padding-block:45px}.steps{grid-template-columns:1fr;gap:25px;margin-block:26px}.steps li{padding-left:40px;position:relative}.step-number{position:absolute;left:0;top:2px}.steps h3{margin:0 0 7px}.faq-layout{grid-template-columns:1fr;gap:24px}.download-section{padding:30px 24px;gap:0;margin-bottom:40px;position:relative;overflow:hidden}.download-section h2{font-size:31px}.download-section>div{position:relative;z-index:1}.download-section>img{position:absolute;width:140px;height:180px;right:-35px;top:40px;opacity:.23}.download-section .eyebrow{max-width:240px}.site-footer{flex-wrap:wrap;gap:13px;padding-block:24px}.site-footer>span{margin-left:auto}.site-footer>div{width:100%}.trust-line{gap:14px;font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

html[data-lang=zh] [lang=en],html[data-lang=en] [lang=zh]{display:none!important}
.language-toggle{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:7px;padding:7px 10px;cursor:pointer;font-size:13px;margin-left:auto}.language-toggle:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.credit-row small{display:block;font-size:12px;color:var(--accent)}.credit-row strong{align-self:center;font-variant-numeric:tabular-nums}.privacy{font-size:12px;color:var(--muted);padding-bottom:22px}.nav-wrap nav{margin-left:auto}html[data-lang=en] h1{font-size:clamp(40px,4vw,60px)}
@media(max-width:740px){.nav-wrap{gap:8px}.brand{font-size:16px}.nav-download{font-size:12px;padding:7px 9px}.language-toggle{padding:7px}.demo-footer{flex-wrap:wrap}.facts b{font-size:12px}.facts>span{font-size:12px}}

.nav-download{white-space:nowrap;gap:10px}.popover-head strong span{font-size:inherit;color:inherit}.facts b{white-space:nowrap}
@media(max-width:360px){.nav-wrap{gap:6px}.brand{font-size:14px;gap:4px}.brand img{width:26px}.nav-download{font-size:11px;gap:6px;padding-inline:7px}.trust-line{flex-wrap:wrap;gap:4px 14px}.stage-caption{font-size:12px}.quota-numbers b{font-size:46px}.quota-card{gap:6px}}

.language-toggle{white-space:nowrap;flex-shrink:0}@media(max-width:400px){.nav-extra{display:none}}