:root{--brand:#16a34a;--brand-dark:#15803d;--brand-light:#f0fdf4;--ink:#1c1917;--ink-soft:#57534e;--bg:#fff;--bg-alt:#fafaf9;--border:#e7e5e4;--radius:14px;--shadow:0 10px 30px #1c191714}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 24px}.header{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);background:#ffffffe6;position:sticky;top:0}.header-inner{align-items:center;gap:32px;height:64px;display:flex}.logo{align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.logo-mark{background:var(--brand);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;font-size:17px;display:inline-flex}.nav{gap:28px;margin-left:auto;display:flex}.nav a{color:var(--ink-soft);font-size:15px;transition:color .2s}.nav a:hover{color:var(--brand)}.btn{cursor:pointer;border:1px solid #0000;border-radius:999px;padding:12px 28px;font-size:15px;font-weight:600;transition:all .2s;display:inline-block}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{border-color:var(--border);color:var(--ink)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn-sm{padding:8px 20px;font-size:14px}.hero{background:radial-gradient(600px 300px at 85% 10%, var(--brand-light), transparent), linear-gradient(180deg, #fff, #fafaf9);padding:110px 0 100px}.hero-inner{max-width:720px}.hero-title{letter-spacing:.01em;font-size:clamp(36px,6vw,56px);font-weight:800;line-height:1.25}.hero-title em{color:var(--brand);font-style:normal}.hero-sub{color:var(--ink-soft);max-width:540px;margin-top:24px;font-size:18px}.hero-actions{flex-wrap:wrap;gap:16px;margin-top:36px;display:flex}.section{padding:88px 0}.section-alt{background:var(--bg-alt)}.section-title{text-align:center;font-size:32px;font-weight:800}.section-title.align-left{text-align:left}.section-sub{text-align:center;color:var(--ink-soft);margin-top:10px;margin-bottom:48px}.grid{gap:24px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:28px 24px;transition:transform .2s,box-shadow .2s}.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.card-icon{margin-bottom:14px;font-size:32px}.card h3{margin-bottom:8px;font-size:18px}.card p{color:var(--ink-soft);font-size:14px}.step{padding:8px 4px}.step-num{color:var(--brand);opacity:.35;font-size:32px;font-weight:800}.step h3{margin-top:8px;font-size:18px}.step p{color:var(--ink-soft);margin-top:8px;font-size:14px}.about-inner{grid-template-columns:1.2fr 1fr;align-items:center;gap:64px;display:grid}.about-text{color:var(--ink-soft);margin-top:20px;font-size:16px}.about-stats{gap:20px;display:flex}.stat{background:var(--brand-light);border-radius:var(--radius);text-align:center;flex:1;padding:24px 16px}.stat-num{color:var(--brand-dark);font-size:26px;font-weight:800}.stat-label{color:var(--ink-soft);margin-top:6px;font-size:13px}.footer{border-top:1px solid var(--border);background:var(--bg-alt);padding:32px 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.footer-brand{align-items:center;gap:10px;font-weight:700;display:flex}.footer-copy{color:var(--ink-soft);font-size:14px}@media (width<=900px){.grid-4{grid-template-columns:repeat(2,1fr)}.about-inner{grid-template-columns:1fr;gap:40px}}@media (width<=560px){.grid-4{grid-template-columns:1fr}.nav{display:none}.hero{padding:72px 0 64px}}