*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:#0a0a0a;color:#e5e5e5;line-height:1.7}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
header{background:rgba(23,23,23,.95);border-bottom:1px solid #262626;position:sticky;top:0;z-index:50}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo img{display:block}
nav a{color:#a3a3a3;margin-left:16px;text-decoration:none;font-size:.9rem}
nav a:hover{color:#a3e635}
.hero{position:relative;text-align:center}
.hero-bg{width:100%;max-height:360px;object-fit:cover;display:block}
.hero-inner{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:rgba(10,10,10,.55);padding:24px}
.eyebrow{color:#84cc16;font-size:.9rem;font-weight:600;margin-bottom:10px;letter-spacing:.5px}
.hero-inner h1{font-size:clamp(1.5rem,4vw,2.3rem);color:#fafafa;margin-bottom:12px;max-width:700px}
.desc{max-width:560px;color:#a3a3a3;margin-bottom:24px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;padding:12px 26px;border-radius:8px;text-decoration:none;font-weight:600}
.btn.primary{background:#a3e635;color:#0a0a0a}
.btn.ghost{border:2px solid #a3e635;color:#a3e635}
.section{padding:56px 0}
.section.dark{background:#171717}
.label{text-align:center;color:#84cc16;font-size:.85rem;font-weight:600;letter-spacing:1px;margin-bottom:6px}
h2{font-size:1.55rem;text-align:center;margin-bottom:10px;color:#fafafa}
.sub{text-align:center;color:#a3a3a3;max-width:600px;margin:0 auto 32px}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.feat{background:#171717;border:1px solid #262626;border-radius:12px;padding:22px}
.feat img{width:48px;margin-bottom:12px}
.feat h3{color:#a3e635;margin-bottom:8px;font-size:1.05rem}
.feat p{color:#a3a3a3;font-size:.92rem}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.why-grid h3{color:#a3e635;margin-bottom:8px}
.why-grid p{color:#a3a3a3}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;max-width:680px;margin:0 auto}
.dl-card{background:#171717;border:1px solid #262626;border-radius:12px;padding:18px;text-align:center;text-decoration:none;color:#e5e5e5}
.dl-card:hover{border-color:#a3e635}
.dl-card strong{display:block;margin-bottom:4px}
.dl-card span{color:#737373;font-size:.85rem}
.faq>div{background:#0a0a0a;border:1px solid #262626;border-radius:10px;padding:14px 16px;margin-bottom:10px}
.faq h3{color:#a3e635;font-size:1rem;margin-bottom:4px}
.faq p{color:#a3a3a3;font-size:.9rem}
.link-grid{display:flex;flex-wrap:wrap;gap:10px 12px;justify-content:center}
.link-grid a{color:#bef264;text-decoration:none;font-size:.88rem;padding:6px 10px;background:#171717;border:1px solid #262626;border-radius:6px}
.link-grid a:hover{border-color:#a3e635}
footer{background:#000;padding:28px 0;text-align:center;border-top:1px solid #171717}
footer p{color:#737373;font-size:.85rem;margin-bottom:6px}
.seo{font-size:.78rem;color:#525252}
@media(max-width:700px){nav{display:none}}