:root{
  --green:#05c968;
  --green-2:#0fe277;
  --green-dark:#068f4d;
  --ink:#131817;
  --muted:#65706b;
  --line:#e4eee8;
  --soft:#f3fbf6;
  --soft-2:#ecfff4;
  --card:#ffffff;
  --shadow:0 18px 60px rgba(12,77,46,.09);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,238,232,.78)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.03em;font-size:19px}
.brand img{width:38px;height:38px;border-radius:11px;object-fit:cover;box-shadow:0 5px 16px rgba(0,0,0,.12)}
.nav-links{display:flex;align-items:center;gap:5px}
.nav-links a{padding:9px 13px;border-radius:12px;color:#47514d;font-weight:650;font-size:14px}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--green-dark)}
.nav-login{border:1px solid #cbe9d7!important;background:#fff!important;color:var(--green-dark)!important}
.menu-btn{display:none;border:0;background:var(--soft);width:40px;height:40px;border-radius:12px;font-size:20px}
.hero{position:relative;overflow:hidden;padding:88px 0 68px;background:radial-gradient(circle at 88% 18%,rgba(15,226,119,.13),transparent 25%),radial-gradient(circle at 0% 0%,rgba(5,201,104,.08),transparent 34%),linear-gradient(#fff,#fbfefc)}
.hero:before{content:"";position:absolute;inset:auto -70px -240px auto;width:520px;height:520px;border-radius:50%;border:90px solid rgba(5,201,104,.035)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px}
.kicker{display:inline-flex;align-items:center;gap:9px;border:1px solid #c9eed8;background:#f5fff8;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:800;color:var(--green-dark)}
.kicker:before{content:"⚡"}
h1{font-size:clamp(42px,6vw,72px);line-height:1.03;letter-spacing:-.055em;margin:22px 0 18px}
.grad{background:linear-gradient(118deg,#00b95d,#12dd77);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy{font-size:19px;color:#59645f;max-width:650px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:14px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.2s ease}
.btn-primary{background:linear-gradient(135deg,#00b95d,#0ad974);color:#fff;box-shadow:0 12px 28px rgba(5,201,104,.23)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(5,201,104,.28)}
.btn-secondary{border-color:#d8e7de;background:#fff;color:#2e3934}
.btn-secondary:hover{border-color:#9ed8b7;background:#f9fffb}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;color:#61706a;font-size:13px;font-weight:700}
.hero-points span{display:flex;align-items:center;gap:7px}
.hero-points span:before{content:"✓";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#e4f9ed;color:var(--green-dark);font-size:11px}
.hero-visual{position:relative;min-height:440px;display:grid;place-items:center}
.logo-orbit{position:relative;width:min(420px,90%);aspect-ratio:1;border-radius:48px;background:#050708;box-shadow:0 35px 80px rgba(0,0,0,.22);overflow:hidden;border:1px solid #151b18}
.logo-orbit img{width:100%;height:100%;object-fit:cover;transform:scale(.93)}
.float-card{position:absolute;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border:1px solid #dfeae4;border-radius:18px;padding:14px 16px;box-shadow:var(--shadow);font-size:13px;color:#4c5953}
.float-card b{display:block;color:#152019;font-size:16px}
.fc1{left:0;bottom:28px}.fc2{right:-10px;top:34px}
.section{padding:84px 0}
.section-soft{background:#f7fbf8;border-top:1px solid #edf4ef;border-bottom:1px solid #edf4ef}
.section-head{max-width:700px;margin-bottom:36px}
.eyebrow{font-size:13px;font-weight:900;color:var(--green-dark);letter-spacing:.08em;text-transform:uppercase}
h2{font-size:clamp(30px,4vw,46px);line-height:1.15;letter-spacing:-.045em;margin:8px 0 12px}
.section-lead{color:var(--muted);font-size:17px;margin:0}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 28px rgba(16,57,37,.035)}
.icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,#e9fff2,#d8f7e5);color:var(--green-dark);font-size:22px;margin-bottom:20px}
.card h3{font-size:21px;letter-spacing:-.025em;margin:0 0 8px}
.card p{margin:0;color:var(--muted)}
.capability-list{display:grid;gap:12px}
.cap-row{display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:16px;border:1px solid #dcebe2;background:#fff;border-radius:18px;padding:15px 18px}
.cap-num{width:36px;height:36px;border-radius:11px;background:linear-gradient(145deg,#06c86a,#08b35f);color:#fff;display:grid;place-items:center;font-weight:900}
.cap-row h3{font-size:19px;margin:0}.cap-row p{margin:2px 0 0;color:var(--muted);font-size:14px}.cap-arrow{font-size:22px;color:#9aacA2}
.speed-card{position:relative;overflow:hidden;border-radius:30px;padding:48px;background:linear-gradient(130deg,#008d49 0%,#02bc61 58%,#0cd66f 100%);color:#fff;box-shadow:0 24px 60px rgba(0,137,70,.18)}
.speed-card:after{content:"⚡";position:absolute;right:52px;bottom:-50px;font-size:240px;line-height:1;color:rgba(255,255,255,.08);transform:rotate(-10deg)}
.speed-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.speed-big{font-size:76px;line-height:1;font-weight:950;letter-spacing:-.06em}.speed-big small{display:block;font-size:18px;letter-spacing:0;margin-top:12px;font-weight:700;color:rgba(255,255,255,.8)}
.speed-items{display:grid;gap:13px;font-size:18px;font-weight:750}.speed-items div{display:flex;align-items:flex-start;gap:11px}.speed-items div:before{content:"✓";display:grid;place-items:center;flex:none;width:22px;height:22px;margin-top:3px;border-radius:50%;background:#fff;color:#00a454;font-size:13px;font-weight:950}.speed-note{margin-top:18px;color:rgba(255,255,255,.75);font-size:12px}
.strategy{display:grid;grid-template-columns:1fr 1fr;gap:20px}.strategy .card{padding:32px}.strategy strong{color:var(--green-dark)}
.audience{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.audience .card{min-height:180px}
.cta{padding:44px;border:1px solid #d7eadf;background:linear-gradient(135deg,#f5fff8,#fff);border-radius:30px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:34px;margin:0 0 8px}.cta p{margin:0;color:var(--muted)}
.site-footer{padding:34px 0 44px;color:#7b8681;font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid #edf2ef;padding-top:24px}.footer-links{display:flex;gap:18px}
.page-hero{padding:70px 0 48px;background:linear-gradient(180deg,#f5fff8,#fff);border-bottom:1px solid #edf4ef}.page-hero h1{font-size:clamp(40px,5vw,60px);margin:12px 0}.page-hero p{max-width:760px;color:var(--muted);font-size:17px}
.pricing{padding:64px 0 90px}.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}.price-card{position:relative;border:1px solid var(--line);border-radius:24px;padding:26px;background:#fff;display:flex;flex-direction:column}.price-card.featured{border-color:#66d999;background:linear-gradient(180deg,#f4fff8,#fff);box-shadow:0 18px 48px rgba(5,201,104,.11)}.badge-top{position:absolute;right:18px;top:18px;font-size:11px;color:#fff;background:var(--green-dark);padding:5px 8px;border-radius:999px;font-weight:800}.price-card h3{font-size:21px;margin:0 0 6px}.price{font-size:34px;font-weight:950;letter-spacing:-.04em;margin:16px 0 4px}.price small{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:0}.price-desc{min-height:48px;color:var(--muted);font-size:14px}.features{margin:18px 0 24px;padding:0;list-style:none;display:grid;gap:10px;font-size:14px}.features li{display:flex;gap:8px}.features li:before{content:"✓";color:var(--green-dark);font-weight:950}.price-card .btn{margin-top:auto}
.contact-box{margin-top:24px;border-radius:24px;background:#0d1511;color:#fff;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.contact-box p{margin:4px 0 0;color:#a9b5af}.wechat{font-size:22px;font-weight:900;color:#34ee91}
.login-shell{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:60px 20px;background:radial-gradient(circle at 50% 0%,rgba(5,201,104,.13),transparent 32%),#f7fbf8}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.login-logo{width:52px;height:52px;border-radius:15px;object-fit:cover;margin-bottom:22px}.login-card h1{font-size:30px;line-height:1.15;letter-spacing:-.035em;margin:0 0 8px}.login-card .sub{color:var(--muted);margin-bottom:24px}.field{display:grid;gap:7px;margin:14px 0}.field label{font-size:13px;font-weight:800}.field input{height:48px;border:1px solid #d9e5de;border-radius:13px;padding:0 14px;outline:none;background:#fbfdfc}.field input:focus{border-color:#6ad99b;box-shadow:0 0 0 4px rgba(5,201,104,.08)}.login-card .btn{width:100%;margin-top:12px}.login-note{text-align:center;font-size:12px;color:#87918c;margin-top:18px}
.modal{position:fixed;inset:0;z-index:100;background:rgba(5,12,8,.52);display:none;place-items:center;padding:20px}.modal.show{display:grid}.modal-card{width:min(390px,100%);background:#fff;border-radius:24px;padding:28px;text-align:center;box-shadow:0 30px 90px rgba(0,0,0,.25)}.modal-icon{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;margin:0 auto 16px;background:#e7fbef;font-size:25px}.modal-card h3{font-size:20px;margin:0 0 8px}.modal-card p{margin:0 0 20px;color:var(--muted)}.modal-card .btn{width:100%}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr;gap:42px}.hero-visual{min-height:360px}.logo-orbit{width:360px}.why-grid,.audience{grid-template-columns:1fr 1fr}.price-grid{grid-template-columns:1fr 1fr}.speed-grid{grid-template-columns:1fr}.speed-big{font-size:64px}}
@media(max-width:720px){.container{width:min(100% - 28px,1160px)}.nav{height:64px}.menu-btn{display:block}.nav-links{position:absolute;left:14px;right:14px;top:68px;display:none;flex-direction:column;align-items:stretch;padding:10px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero{padding:58px 0 48px}h1{font-size:45px}.hero-copy{font-size:17px}.hero-visual{min-height:300px}.logo-orbit{width:290px;border-radius:34px}.float-card{padding:10px 12px;font-size:11px}.float-card b{font-size:13px}.section{padding:62px 0}.why-grid,.audience,.price-grid,.strategy{grid-template-columns:1fr}.cap-row{grid-template-columns:44px 1fr}.cap-arrow{display:none}.speed-card{padding:32px 24px}.speed-big{font-size:54px}.speed-items{font-size:16px}.cta,.contact-box{align-items:flex-start;flex-direction:column}.footer-inner{align-items:flex-start;flex-direction:column}.footer-links{flex-wrap:wrap}}