:root{--ink:#17342d;--muted:#62736d;--green:#75ba2b;--deep:#498816;--lime:#dff29c;--cream:#fbfcf5;--line:#e4eadc;--card:#fff;--shadow:0 18px 50px rgba(44,75,56,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(1120px,calc(100% - 32px));margin:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(251,252,245,.92);border-bottom:1px solid rgba(228,234,220,.9);backdrop-filter:blur(16px)}.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800}.brand img{width:48px;height:48px;object-fit:contain}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;line-height:1.2}.nav-links{display:flex;align-items:center;gap:28px;color:#51645e;font-size:14px}.nav-links a:hover,.nav-links .current{color:var(--deep)}.mini-download{padding:9px 18px;color:#fff!important;background:var(--deep);border-radius:999px;font-weight:700}
.hero{position:relative;overflow:hidden;padding:76px 0 68px}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 20%,rgba(184,222,92,.35),transparent 30%),radial-gradient(circle at 12% 82%,rgba(117,186,43,.14),transparent 25%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:64px}.eyebrow{display:inline-flex;padding:6px 12px;color:var(--deep);background:#eef7d6;border:1px solid #dceab7;border-radius:999px;font-size:13px;font-weight:700}h1,h2,h3,p{margin-top:0}h1{margin-bottom:20px;font-size:clamp(40px,6vw,68px);line-height:1.1;letter-spacing:-2px}.hero-copy{max-width:660px;margin-bottom:28px;color:var(--muted);font-size:18px}.actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border:1px solid var(--line);border-radius:14px;font-weight:800}.button-primary{color:#fff;background:var(--deep);border-color:var(--deep);box-shadow:0 10px 28px rgba(73,136,22,.22)}.button-soft{background:#fff}.hero-art{position:relative;min-height:340px;display:grid;place-items:center}.hero-art:before{content:"";position:absolute;width:330px;height:330px;background:linear-gradient(145deg,#eff8c9,#b9df68);border-radius:42% 58% 60% 40%;transform:rotate(-8deg)}.hero-art img{position:relative;z-index:1;width:280px;filter:drop-shadow(0 28px 24px rgba(40,65,26,.18))}.trust-row{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;color:var(--muted);font-size:13px}.trust-row span:before{content:"✓";margin-right:6px;color:var(--deep);font-weight:900}
.section{padding:72px 0}.section-tint{background:#f2f6e9;border-block:1px solid var(--line)}.section-head{max-width:720px;margin-bottom:32px}.section-head h2{margin-bottom:10px;font-size:clamp(28px,4vw,40px);line-height:1.25}.section-head p{color:var(--muted)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:26px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.card-icon{width:46px;height:46px;display:grid;place-items:center;margin-bottom:20px;background:var(--lime);border-radius:14px;font-size:22px}.card h3{margin-bottom:8px;font-size:19px}.card p{margin-bottom:0;color:var(--muted);font-size:14px}.card-link{display:inline-block;margin-top:18px;color:var(--deep);font-weight:800}.guide-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}.phone-demo{position:sticky;top:110px;padding:18px;background:#1f2926;border-radius:32px;box-shadow:var(--shadow)}.phone-screen{min-height:480px;padding:24px;background:linear-gradient(#e8f6bb,#fbfcf5 40%);border-radius:22px}.phone-screen img{width:92px;margin:18px auto 20px}.fake-line{height:11px;margin:12px 0;background:#dfe7db;border-radius:999px}.fake-line.short{width:65%}.fake-button{margin-top:24px;padding:14px;color:#fff;background:var(--deep);border-radius:12px;text-align:center;font-weight:800}.steps{counter-reset:step;display:grid;gap:18px}.step{position:relative;padding:22px 22px 22px 70px;background:#fff;border:1px solid var(--line);border-radius:18px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:22px;width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--deep);border-radius:50%;font-weight:900}.step h3{margin-bottom:5px;font-size:18px}.step p{margin-bottom:0;color:var(--muted);font-size:14px}.notice{padding:24px;background:#fff8e9;border:1px solid #f1d8aa;border-radius:18px;color:#7b5422}.notice strong{display:block}
.article{width:min(820px,calc(100% - 32px));margin:auto;padding:64px 0 110px}.breadcrumb{margin-bottom:24px;color:var(--muted);font-size:13px}.article h1{font-size:clamp(34px,6vw,54px)}.article h2{margin-top:42px;font-size:26px}.article p,.article li{color:#52645e}.article-meta{margin:-8px 0 32px;color:#82918c;font-size:13px}.faq details{margin-bottom:12px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px}.faq summary{cursor:pointer;font-weight:800}.faq details p{margin:12px 0 0}.footer{padding:44px 0 110px;color:#b9c9c3;background:#16362f}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr;gap:40px}.footer h2,.footer h3{color:#fff}.footer a{display:block;margin:7px 0}.disclaimer{margin-top:30px;padding:18px 20px;color:#fff;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);border-radius:14px;font-weight:800}.copyright{margin-top:22px;color:#8fa49d;font-size:12px}.floating-download{position:fixed;left:50%;bottom:max(14px,env(safe-area-inset-bottom));z-index:70;transform:translateX(-50%);width:min(560px,calc(100% - 24px));display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 12px 10px 18px;color:#fff;background:rgba(22,54,47,.96);border:1px solid rgba(255,255,255,.18);border-radius:18px;box-shadow:0 16px 42px rgba(20,47,40,.3);backdrop-filter:blur(12px)}.floating-download span{font-size:13px;line-height:1.3}.floating-download strong{display:block;font-size:15px}.floating-download a{flex:0 0 auto;padding:11px 20px;color:#17342d;background:#dff29c;border-radius:12px;font-weight:900}
.modal{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:20px;background:rgba(13,31,27,.66);backdrop-filter:blur(5px)}.modal.is-open{display:grid}.modal-card{position:relative;width:min(430px,100%);padding:30px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 28px 80px rgba(10,30,24,.3);text-align:center}.modal-close{position:absolute;top:12px;right:14px;width:36px;height:36px;padding:0;color:var(--muted);background:#f3f6ef;border:0;border-radius:50%;font-size:22px;cursor:pointer}.modal-card h2{margin:4px 0 6px;font-size:25px}.modal-card>p{margin-bottom:18px;color:var(--muted);font-size:14px}.qr-code{width:240px;height:240px;margin:0 auto 20px;border:10px solid #fff;box-shadow:0 0 0 1px var(--line);object-fit:contain}.modal-actions{display:flex;align-items:center;justify-content:space-between;gap:14px}.direct-download{color:var(--muted);font-size:13px;text-decoration:underline;text-underline-offset:3px}.scan-tip{padding:10px 14px;color:var(--deep);background:#eef7d6;border-radius:10px;font-size:13px;font-weight:700}.modal-open{overflow:hidden}
@media(max-width:760px){.container{width:min(100% - 24px,680px)}.nav{min-height:62px}.brand img{width:42px;height:42px}.brand small,.nav-links a:not(.mini-download){display:none}.nav-links{flex:0 0 auto}.hero{padding:48px 0 42px}.hero-grid{grid-template-columns:1fr;gap:30px}h1{letter-spacing:-1px}.hero-copy{font-size:16px}.hero-art{min-height:260px}.hero-art:before{width:250px;height:250px}.hero-art img{width:220px}.section{padding:52px 0}.card-grid,.guide-grid,.footer-grid{grid-template-columns:1fr}.phone-demo{position:static}.footer{padding-bottom:112px}.floating-download span{display:none}.floating-download a{width:100%;text-align:center}.modal-card{padding:26px 20px 20px}.qr-code{width:220px;height:220px}.modal-actions{align-items:stretch;flex-direction:column}.direct-download{order:2}}