:root{--brand-primary:#00d427;--ink:#26352b;--muted:#58665c;--cream:#f1faec;--line:#e9e9ee;--accent:#186c2b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,"Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #186c2b;outline-offset:5px}.wrap{max-width:1200px;margin:auto;padding:0 36px}.skip{position:absolute;top:-80px}.skip:focus{top:0;background:white;padding:16px;z-index:50}.header{height:96px;border-bottom:1px solid #f0f0f3;background:#fff}.nav{display:flex;align-items:center;justify-content:space-between;height:100%;gap:28px}.brand{width:180px;height:60px;overflow:hidden;display:flex;align-items:center}.brand img{width:224px;max-width:none;margin-left:-30px;display:block}.nav-links{display:flex;align-items:center;gap:30px;font-size:17px;font-weight:600}.nav-links a:hover{color:var(--accent)}.nav-actions{display:flex;gap:18px;align-items:center;font-size:16px}.language{border-left:1px solid var(--line);padding-left:18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:0;border-radius:9px;padding:16px 25px;font-weight:700;background:var(--brand-primary);color:#26352b;line-height:1.3}.button:hover{background:#20e03e}.button.secondary{background:#fff;border:1px solid #dedee5}.button.small{padding:12px 18px;font-size:16px}.menu{display:none;background:none;border:0;font-size:24px}.hero{background:radial-gradient(ellipse at 82% 50%,#d9f7b9 0,transparent 45%),linear-gradient(115deg,#f9fcf6,#e9f8df);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;min-height:620px;gap:45px}.eyebrow{font-size:15px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:10px}.eyebrow:before{content:'';width:20px;height:2px;background:var(--brand-primary)}h1{font-size:60px;line-height:1.22;letter-spacing:-2.6px;margin:26px 0 24px;font-weight:800}h1 em{font-style:normal;color:var(--accent)}.lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:490px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.hero-note{font-size:15px;color:var(--muted);margin-top:22px}.hero-art{position:relative;height:450px;display:grid;place-items:center}.orb{position:absolute;border:1px solid #8fcb6659;border-radius:50%;width:385px;height:385px}.orb:nth-child(2){width:470px;height:470px}.orb:nth-child(3){width:290px;height:290px}.hero-art img{width:330px;position:relative;z-index:1;filter:drop-shadow(0 22px 25px #238b1920)}.float-tag{position:absolute;z-index:2;background:#ffffffdb;backdrop-filter:blur(10px);box-shadow:0 8px 40px #2b721610;border:1px solid #fff;border-radius:12px;padding:15px 19px;font-size:16px;font-weight:600}.tag-one{top:80px;right:0}.tag-two{bottom:60px;left:0}.float-tag b{display:inline-flex;background:#eaf8df;width:28px;height:28px;border-radius:7px;align-items:center;justify-content:center;margin-right:10px;color:var(--accent)}.position-strip{border-bottom:1px solid var(--line)}.strip{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:26px;padding-bottom:26px;font-size:16px;color:var(--muted)}.strip strong{color:var(--ink)}.section{padding:95px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:42px}.section-head h2,h2{font-size:36px;line-height:1.35;letter-spacing:-1px;margin:16px 0}.section-head p{font-size:17px;line-height:1.9;max-width:360px;color:var(--muted)}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.benefit{border-top:1px solid var(--line);padding-top:28px}.symbol{width:45px;height:45px;background:#eaf8df;border-radius:12px;display:grid;place-items:center;color:var(--accent);font-size:23px}.benefit h3{font-size:21px;margin:22px 0 12px}.benefit p{font-size:17px;color:var(--muted);line-height:1.9}.soft{background:#fafafa}.platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.platform{border:1px solid var(--line);border-radius:14px;background:#fff;padding:30px;position:relative}.platform-icon{font-size:28px;line-height:1;width:48px;height:48px;display:grid;place-items:center;margin-bottom:28px}.platform h3{font-size:23px;margin:0 0 8px}.badge{font-size:14px;background:#eaf8df;color:var(--accent);border-radius:20px;padding:6px 10px;display:inline-block}.platform p{font-size:16px;line-height:1.8;color:var(--muted)}.platform .disabled{margin-top:20px;background:#f3f3f5;color:#757b86;display:block;border-radius:7px;padding:12px;text-align:center;font-size:16px}.micro{font-size:15px;line-height:1.8;color:var(--muted);margin-top:25px}.membership{background:var(--ink);border-radius:18px;display:grid;grid-template-columns:1.4fr 1fr;align-items:center;padding:48px 55px;gap:45px;color:white}.membership h2{font-size:32px}.membership p{color:#c8cbd3;font-size:17px;line-height:1.9}.membership .eyebrow{color:#a7ef83}.member-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}.member-actions a{text-align:center}.text-link{font-size:16px;color:#d8dce3;padding:10px}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px}details{border-bottom:1px solid var(--line);padding:22px 0}summary{font-size:18px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:24px}summary:after{content:'+';font-weight:400;font-size:20px}details[open] summary:after{content:'−'}details p{color:var(--muted);line-height:1.9;font-size:17px;padding-right:35px}.footer{border-top:1px solid var(--line);padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px}.footer p{font-size:16px;color:var(--muted);line-height:1.8}.footer h3{font-size:16px;margin:15px 0 20px}.footer-links{display:flex;flex-direction:column;gap:15px;font-size:16px;color:var(--muted)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;border-top:1px solid var(--line);padding-top:22px;color:var(--muted);font-size:14px}.page-hero{background:var(--cream);padding:64px 0}.page-hero h1{font-size:46px}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;max-width:900px;margin:auto}.plan{border:1px solid var(--line);border-radius:16px;padding:38px}.plan.premium{border:2px solid var(--brand-primary);background:#f7fcf3}.plan h3{font-size:25px}.plan ul{list-style:none;padding:0;font-size:17px;line-height:2.4;color:var(--muted)}.plan li:before{content:'✓';color:var(--accent);margin-right:12px}.price{font-size:32px;font-weight:700}.auth-main{background:linear-gradient(130deg,#f4fbee,#fafafa);padding:65px 0 80px}.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;max-width:1000px;margin:auto}.auth-intro h1{font-size:43px;letter-spacing:-1.5px}.auth-intro img{width:180px;margin:10px 0}.auth-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:35px;box-shadow:0 20px 55px #24293606}.auth-card h2{font-size:28px;margin-top:0}.auth-card .sub{color:var(--muted);font-size:16px;margin-bottom:27px}.field{display:block;margin:19px 0;font-size:16px;font-weight:600}.field input{display:block;width:100%;border:1px solid #d9dce2;border-radius:7px;padding:13px;margin-top:9px;background:#fff}.password{position:relative}.password input{padding-right:60px}.password button{position:absolute;right:9px;top:10px;background:none;border:0;color:var(--muted);padding:5px;font-size:15px}.form-row{display:flex;align-items:center;justify-content:space-between;font-size:15px;gap:12px}.check{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:15px;line-height:1.7}.check input{margin-top:4px}.check a,.auth-switch a,.form-row a{color:var(--accent)}.auth-card .button{width:100%;margin-top:24px}.auth-switch{text-align:center;font-size:16px;margin-top:22px}.form-status{font-size:15px;line-height:1.8;color:var(--accent)}.prototype-label{font-size:14px;color:var(--muted);line-height:1.7;background:#f7f7f9;padding:10px 12px;border-radius:6px}.legal{max-width:760px}.legal p{line-height:1.9;color:var(--muted)}@media(min-width:1400px){.hero-grid{min-height:660px}}@media(max-width:950px){.nav-links{gap:15px}.nav-actions{gap:10px}.hero-grid{gap:15px}h1{font-size:45px}.hero-art img{width:280px}.orb:nth-child(2){width:350px;height:350px}.orb{width:300px;height:300px}.tag-one{right:-10px}.tag-two{left:-10px}.auth-grid{gap:30px}.membership{padding:35px}.faq-grid{gap:35px}}@media(max-width:720px){.wrap{padding:0 22px}.header{height:78px}.brand{width:132px}.brand img{width:180px;margin-left:-26px}.menu{display:block}.nav{gap:12px}.nav-actions>a:first-child{display:none}.nav-actions .language{border:0;padding:0}.nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:white;z-index:10;padding:25px;box-shadow:0 15px 20px #00000008}.nav-links.open{display:flex;flex-direction:column;align-items:flex-start}.hero-grid{grid-template-columns:1fr;padding-top:48px;padding-bottom:35px;gap:0}h1{font-size:42px;letter-spacing:-1.6px;margin:22px 0}.lead{font-size:17px}.hero-art{height:330px}.hero-art img{width:225px}.orb{width:260px;height:260px}.orb:nth-child(2){width:320px;height:320px}.orb:nth-child(3){width:210px;height:210px}.float-tag{padding:10px;font-size:14px}.tag-one{top:50px;right:0}.tag-two{bottom:35px;left:0}.strip{flex-wrap:wrap;justify-content:flex-start;font-size:14px;gap:14px 24px;padding-top:22px;padding-bottom:22px}.section{padding:58px 0}.section-head{display:block;margin-bottom:28px}.section-head h2,h2{font-size:29px}.benefits,.platforms,.membership,.faq-grid,.auth-grid,.plan-grid{grid-template-columns:1fr}.benefits{gap:20px}.benefit h3{margin:15px 0 8px}.platform{padding:25px}.platform-icon{margin-bottom:18px}.membership{padding:28px;gap:20px}.membership h2{font-size:27px}.faq-grid{gap:10px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}.page-hero{padding:36px 0}.page-hero h1{font-size:35px}.auth-main{padding:35px 0}.auth-grid{gap:25px}.auth-intro img{display:none}.auth-intro h1{font-size:32px}.auth-card{padding:25px}.plan{padding:28px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
img{height:auto}
/* Readable type scale and the confirmed free-first homepage. */
body{font-size:18px;line-height:1.65}
.nav-links,.nav-actions{font-size:16px}
.lead{font-size:19px;line-height:1.9;max-width:540px}
.hero-grid{min-height:720px;grid-template-columns:1.2fr 1fr}
.free-label{display:inline-flex;align-items:center;border:1px solid #b5db9e;background:#e3f8d4;color:#236c29;border-radius:999px;font-size:17px;font-weight:700;padding:8px 17px}
.support-points{font-size:17px;font-weight:600;color:#4c6052;margin:24px 0 0;letter-spacing:2px}
.actions{margin-top:24px}.button{font-size:18px;min-height:54px}
.register-benefit{display:inline-block;font-size:17px;font-weight:600;color:var(--accent);margin-top:24px}
.hero-note{font-size:15px;margin-top:12px}
.section-head p,.benefit p,.platform p,.membership p,details p{font-size:18px}
.section-head p{max-width:410px}.benefit h3{font-size:24px}.eyebrow{font-size:15px}
.float-tag{font-size:16px}.strip{font-size:16px;flex-wrap:wrap;justify-content:flex-start;gap:20px 45px}
.free-section{background:#f7fcf3;scroll-margin-top:24px}
.free-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.free-option{background:#fff;border:1px solid #e4e5e9;border-radius:16px;padding:30px;display:flex;flex-direction:column;align-items:flex-start}
.free-option.highlight{background:#eaf8df;border-color:#90cd72}
.free-option h3{font-size:25px;line-height:1.5;margin:22px 0 14px}
.free-option p{font-size:18px;line-height:1.9;color:var(--muted);margin:0 0 28px}
.free-option .button{margin-top:auto;width:100%;font-size:17px;padding-left:12px;padding-right:12px}
.badge{font-size:15px}.refresh-note{font-size:17px;text-align:center;color:#4c6052;margin:30px 0 0}
#download{scroll-margin-top:24px}.platform-entries .platform{padding:30px;text-align:center}
.platform-entries h3{font-size:28px;margin:4px 0 18px}.platform .disabled{font-size:17px}
.footer-bottom{flex-wrap:wrap;font-size:15px}.footer-links,.footer p,.footer h3{font-size:16px}
summary{font-size:19px}
@media(max-width:1050px) and (min-width:721px){.nav-links{gap:14px}.nav-actions{gap:12px}.nav{gap:20px}.wrap{padding-left:28px;padding-right:28px}.hero-grid{gap:26px}.free-option{padding:24px}.free-option h3{font-size:22px}.nav-links,.nav-actions{font-size:15px}}
@media(max-width:720px){body{font-size:17px}.lead{font-size:18px}.hero-grid{min-height:auto;grid-template-columns:1fr;gap:10px;padding-top:40px;padding-bottom:35px}h1{font-size:42px}.free-label{font-size:16px}.free-options{grid-template-columns:1fr}.free-option{padding:26px}.free-option h3{font-size:24px}.section-head p,.benefit p,.free-option p,details p{font-size:17px}.free-option .button{font-size:18px}.support-points{font-size:16px}.float-tag{font-size:15px}.hero-art{height:340px}.tag-one{right:0;top:42px}.tag-two{left:0;bottom:35px}.register-benefit{font-size:17px}.hero-note{font-size:15px}.section-head h2,h2{font-size:30px}.strip{font-size:16px;gap:12px}.strip span,.strip strong{width:100%}.nav-actions{font-size:16px}.refresh-note{font-size:16px}.footer-bottom{font-size:15px}}
.tag-three{right:0;bottom:10px}@media(max-width:720px){.tag-three{right:0;bottom:0}}
/* Design-team green identity; preserve supplied artwork and its full proportions. */
:root{--brand-green:#00d427;--brand-lime:#84ff00;--ink:#363636;--muted:#58665c;--cream:#f1faec;--accent:#186c2b;--line:#e1e9df}
.brand{width:190px;height:64px;flex-shrink:0;overflow:visible}
.brand img{width:190px;max-width:100%;height:auto;margin-left:0}
.hero{background:radial-gradient(ellipse at 82% 48%,#d9f7b9 0,transparent 48%),linear-gradient(115deg,#fbfdf8,#eff9e7)}
.hero-art img{width:300px;filter:drop-shadow(0 18px 22px #227e1814)}
.button{background:var(--brand-green);color:#123219}.button:hover{background:#24e13e}
.button.secondary{background:#fff;color:#245632;border-color:#c5d8bf}.button.secondary:hover{background:#f1fae9}
.free-label{background:#e7fbd7;border-color:#b0dc92;color:#236c29}
.orb{border-color:#9dce7d59}.float-tag b{background:#eafaDF;color:#236c29}
.free-option.highlight{background:#effbdd;border-color:#9cd36a}
.plan.premium{border-color:var(--brand-green);background:#f5fced}
.membership{background:#24382a}.membership .eyebrow{color:#a7ef83}
@media(max-width:1050px) and (min-width:721px){.brand,.brand img{width:170px}}
@media(max-width:720px){.brand{width:150px;height:55px}.brand img{width:150px;margin-left:0}.hero-art img{width:235px}}