/* Self-contained static product page; no third-party font, tracking or script. */
:root{color-scheme:light;--paper:#f5f7f3;--ink:#193c37;--muted:#657a73;--teal:#087e70;--line:#d8e1d9;--font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid #087e70;outline-offset:6px}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0}.wrap{max-width:1180px;width:calc(100% - 96px);margin-inline:auto}.header{min-height:100px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand strong{font-size:19px;letter-spacing:-.5px}.header nav{display:flex;gap:32px;font-size:13px;color:#526a61}.header nav a:hover,.text-link:hover{color:var(--teal)}.header nav span{margin-left:5px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px;min-height:640px;padding-block:76px 66px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:.16em;color:var(--teal);display:flex;align-items:center;gap:10px}.dot{width:7px;height:7px;display:inline-block;border-radius:50%;background:var(--teal)}h1{font-size:clamp(56px,6vw,78px);font-weight:650;line-height:1.2;letter-spacing:-.05em;margin-top:24px}h1 span{color:var(--teal)}.lead{font-size:17px;line-height:1.9;color:var(--muted);margin-top:25px;letter-spacing:.02em}.actions{display:flex;align-items:center;gap:26px;margin-top:36px}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:30px;min-height:55px;background:var(--teal);color:white;padding:17px 24px;border-radius:10px;font-weight:600;font-size:14px;transition:background .2s,transform .2s}.button:hover{background:#06695f;transform:translateY(-2px)}.button span{font-size:20px;font-weight:400}.text-link{font-size:13px;border-bottom:1px solid #8faea1;padding-block:7px}.hero-note{font-size:11px;color:var(--muted);margin-top:20px;line-height:1.8}.hero-art{min-width:0;position:relative;height:430px;display:grid;place-items:center;isolation:isolate}.hero-art::before{position:absolute;z-index:-1;content:"";width:100%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#d6efe0 0%,rgba(220,237,217,.4) 43%,transparent 68%)}.hero-icon{width:310px;position:relative;filter:drop-shadow(0 28px 22px rgba(31,100,78,.17));transform:rotate(-7deg)}.orbit{position:absolute;width:410px;height:340px;border:1px solid rgba(56,129,104,.16);border-radius:50%;transform:rotate(-30deg);z-index:-1}.orbit-two{width:480px;height:240px;transform:rotate(35deg);border-style:dashed}.float-label{position:absolute;display:flex;align-items:center;gap:11px;padding:15px 20px;background:rgba(255,255,255,.9);border:1px solid #e0e9e2;border-radius:13px;box-shadow:0 10px 28px rgba(29,83,62,.07);backdrop-filter:blur(12px)}.files{left:6px;top:36px;transform:rotate(-4deg)}.wechat{right:0;bottom:35px;transform:rotate(3deg)}.mini-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:9px;background:#e3f2e9;color:var(--teal);font-size:23px}.float-label small{font-size:10px;color:var(--muted);display:block;letter-spacing:.04em}.float-label strong{display:block;font-size:13px;margin-top:5px}.art-caption{position:absolute;bottom:0;font-size:9px;letter-spacing:.13em;color:#789487}.principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding-block:25px;gap:25px}.principles>div{display:flex;gap:17px;align-items:center}.principles>div>span{font:11px monospace;color:#789485}.principles strong{font-size:14px;font-weight:600}.principles small{display:block;font-size:11px;color:var(--muted);margin-top:6px}.section{padding-block:105px}.section-heading{display:flex;justify-content:space-between;gap:35px;align-items:flex-end;margin-bottom:40px}h2{font-size:clamp(30px,3.4vw,44px);line-height:1.35;font-weight:600;letter-spacing:-.035em;margin-top:15px}.section-heading>p{font-size:13px;line-height:1.9;color:var(--muted);padding-bottom:5px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{display:flex;flex-direction:column;background:#fff;border:1px solid #e1e8df;border-radius:15px;padding:30px;min-height:265px}.feature-number{color:var(--teal);font:10px monospace;letter-spacing:.07em}.feature h3{margin-top:24px;font-size:19px;font-weight:600;letter-spacing:-.02em}.feature p{margin-top:13px;color:var(--muted);line-height:1.85;font-size:13px}.feature-tag{display:block;color:#789080;font-size:10px;margin-top:auto;padding-top:22px}.wechat-section{display:grid;grid-template-columns:1fr .85fr;gap:72px;align-items:center;padding:58px 64px;border-radius:22px;background:#e4eee3}.wechat-section h2{font-size:34px}.wechat-section>div>p:not(.eyebrow){margin-top:21px;font-size:13px;line-height:1.9;color:#536e60}.wechat-section>div>.fine-print{font-size:11px!important;color:#718373!important}.attachment-panel{border:1px solid #c6d9c9;border-radius:16px;background:#f9fcf7;padding:24px;box-shadow:0 20px 28px rgba(56,81,47,.05);transform:rotate(2deg)}.panel-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:19px;border-bottom:1px solid #e0e8dc}.panel-top>span{font:9px monospace;letter-spacing:.06em;color:var(--muted)}.panel-top strong{font-size:11px;padding:7px 9px;background:#e5efe1;border-radius:6px}.panel-top strong span{margin-left:8px}.attachment-list{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:17px}.attachment-list>span{background:#edf3e9;border-radius:10px;padding:18px 13px;font-size:22px;color:var(--teal)}.attachment-list b{font-size:13px;font-weight:500;margin-left:5px}.attachment-list small{display:block;font:9px monospace;margin-top:9px;color:#81917d;letter-spacing:.1em}.attachment-panel>p{font-size:10px;color:#789080;margin-top:16px;text-align:center}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.steps article{border-top:1px solid #bbd2c4;padding-top:25px}.steps article>span{font:12px monospace;color:var(--teal)}.steps h3{margin-top:20px;font-size:20px;font-weight:600}.steps p{font-size:13px;color:var(--muted);line-height:1.9;margin-top:12px}.download-section{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center;background:#123e36;color:#f3f8ef;padding:65px;border-radius:22px}.download-section .eyebrow{color:#9dc6ad}.download-copy h2{font-size:40px}.download-copy>p:last-child{font-size:13px;line-height:1.9;margin-top:22px;color:#b6ccbf}.download-copy strong{font-weight:500;color:#e4f3e4}.download-card{background:#fff;color:var(--ink);padding:27px;border-radius:15px;min-width:0}.download-top{display:flex;gap:12px;align-items:center;margin-bottom:22px}.download-top h3{font-size:17px}.download-top p{font-size:11px;color:var(--muted);margin-top:6px}.beta{margin-left:auto;font:9px monospace;padding:5px 7px;border:1px solid #b5d5c3;border-radius:4px;color:var(--teal)}.download-card>.button{display:flex;width:100%}.file-meta{display:flex;gap:8px;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:14px;line-height:1.8}.file-meta a{text-decoration:underline;text-underline-offset:3px}.download-note{font-size:11px;line-height:1.8;color:var(--muted);margin-top:18px}.hash{margin-top:17px;font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px}.hash summary{cursor:pointer;line-height:1.8}.hash code{display:block;word-break:break-all;font-size:10px;line-height:1.6;margin-top:10px}.faq{padding-block:105px 85px;max-width:890px}.faq h2{margin-bottom:30px}.faq>details{border-top:1px solid var(--line);padding:21px 0}.faq>details:last-child{border-bottom:1px solid var(--line)}.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:15px;cursor:pointer;line-height:1.65}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:19px;color:var(--teal)}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{margin-top:15px;max-width:750px;font-size:13px;line-height:1.9;color:var(--muted)}.footer{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:85px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.footer span{font:9px monospace;letter-spacing:.09em}.footer a:hover{color:var(--teal)}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.hero{gap:10px}.hero-icon{width:260px}.orbit{width:330px;height:300px}.orbit-two{width:360px;height:210px}.hero-art{height:390px}.files{left:-12px}.wechat{right:-10px}.actions{gap:15px}.button{gap:17px;padding:16px 20px}.feature{padding:24px}.wechat-section{gap:30px;padding:45px 36px}.download-section{gap:35px;padding:45px 36px}.download-copy h2{font-size:34px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header{min-height:80px}.brand strong{font-size:15px}.header nav{gap:17px;font-size:11px}.header nav a:first-child{display:none}.hero{grid-template-columns:1fr;padding-top:50px;padding-bottom:30px;gap:15px}.hero h1{font-size:60px}.lead{font-size:16px}.hero-art{overflow:clip;height:370px;max-width:450px;width:100%;margin:10px auto}.hero-icon{width:260px}.files{left:5px;top:35px}.wechat{right:5px;bottom:29px}.float-label{padding:12px 15px}.principles{grid-template-columns:1fr;gap:20px;padding-block:25px}.principles>div{gap:18px}.section{padding-block:70px}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:20px}h2{font-size:34px}.feature-grid{grid-template-columns:1fr 1fr}.feature{padding:23px;min-height:275px}.feature h3{font-size:17px}.wechat-section{grid-template-columns:1fr;padding:35px 25px;gap:30px}.wechat-section h2{font-size:29px}.attachment-panel{max-width:390px;width:100%;margin:0 auto;transform:rotate(1deg)}.steps{grid-template-columns:1fr;gap:30px}.steps h3{margin-top:13px}.download-section{grid-template-columns:1fr;padding:36px 25px;gap:28px}.download-copy h2{font-size:33px}.download-card{padding:23px}.faq{padding-block:70px 55px}.footer{flex-wrap:wrap;padding-block:22px;gap:13px}.footer span{order:3;width:100%}}
@media(max-width:430px){.brand{gap:6px}.brand img{width:35px}.header nav{gap:12px}.hero h1{font-size:52px}.feature-grid{grid-template-columns:1fr}.feature{min-height:0;padding:26px}.feature-tag{margin-top:5px}.hero-art{height:345px}.hero-icon{width:245px}.orbit{width:290px;height:270px}.orbit-two{width:300px;height:180px}.float-label strong{font-size:11px}.float-label small{font-size:9px}.float-label{padding:10px 12px;gap:8px}.wechat{bottom:25px}.mini-icon{width:28px;height:28px;font-size:19px}.actions{gap:20px;flex-wrap:wrap}.text-link{font-size:12px}.download-top h3{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

[hidden]{display:none!important}.button{font-family:inherit;border:0;cursor:pointer}.button:disabled{opacity:.5;cursor:wait;transform:none}.sponsor-price{display:flex;align-items:baseline;gap:12px;margin:0 0 19px}.sponsor-price strong{font-size:30px;letter-spacing:-.04em;color:var(--teal)}.sponsor-price span{font-size:10px;color:var(--muted)}.payment-choices{display:flex;gap:22px;margin-bottom:16px;font-size:13px}.payment-choices input,.consent input{accent-color:var(--teal)}.consent{display:flex;align-items:start;gap:7px;font-size:11px;line-height:1.7;color:var(--muted);margin-bottom:16px}.consent input{flex:none;margin-top:3px}.payment-message{font-size:12px;line-height:1.8;margin-top:13px;color:var(--teal)}.payment-panel{padding:20px 12px;background:#eff5ee;border-radius:10px;text-align:center;margin-top:18px}.payment-panel strong{font-size:14px}.payment-panel img{display:block;max-width:220px;width:100%;margin:15px auto;background:#fff}.payment-panel p{font-size:11px;line-height:1.8;color:var(--muted)}.payment-panel small{display:block;word-break:break-all;font:9px monospace;color:var(--muted);margin-top:10px}.check-payment{font-family:inherit;border:1px solid #abc6b8;background:#fff;padding:9px 12px;border-radius:6px;margin-top:15px;color:var(--teal);cursor:pointer}.owner-login{display:block;text-align:center;font-size:11px;color:var(--teal);margin-top:17px;line-height:1.8}.entitlement-note{font-size:10px;line-height:1.8;color:var(--muted);margin-top:14px}