:root{--blue:#0088cb;--blue2:#005f8c;--blue3:#e6f4fb;--cyan:#00bcd4;--bg:#f8faff;--card:#fff;--text:#31333e;--text2:#6f6c7f;--border:#e8e8f0;--radius:14px;--shadow:0 6px 30px rgba(0,136,203,0.08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7}a{color:var(--blue);text-decoration:none}.container{max-width:1140px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #f0f0f5}.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0}.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--blue)}.logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--blue),var(--cyan));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff}.nav-links{display:flex;gap:25px;list-style:none}.nav-links a{color:var(--text);font-size:15px;font-weight:500}.nav-links a:hover{color:var(--blue)}.mobile-btn{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}
.hero{padding:100px 0 50px;background:#fff}.hero-flex{display:flex;align-items:center;gap:50px;flex-wrap:wrap}.hero-media{flex:1.1;min-width:300px}.hero-media img{width:100%;border-radius:15px;box-shadow:0 20px 50px rgba(0,0,0,0.08)}.hero-content{flex:1;min-width:300px}.hero-content h1{font-size:34px;color:var(--text);margin:0 0 16px}.hero-content h1 span{color:var(--blue)}.hero-content p{font-size:15px;color:var(--text2);margin-bottom:24px}
.btn-dl{display:inline-flex;align-items:center;padding:14px 24px;background:var(--blue);color:#fff;border-radius:12px;font-weight:600;font-size:15px;transition:.3s}.btn-dl:hover{background:var(--blue2);transform:translateY(-2px);color:#fff}.btn-sec{display:inline-flex;align-items:center;padding:14px 24px;background:transparent;border:1px solid var(--blue);color:var(--blue);border-radius:12px;font-weight:600;font-size:15px;transition:.3s;margin-left:12px}.btn-sec:hover{background:var(--blue3)}
section{padding:70px 0}.section-header{text-align:center;margin-bottom:35px}.section-eyebrow{font-size:12px;color:var(--blue);text-transform:uppercase;letter-spacing:2px;margin-bottom:8px;font-weight:600}.section-title{font-size:28px;color:var(--text);margin-bottom:10px;text-align:center}.section-title span{color:var(--blue)}.bg-section{background:#f7f6f9}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.card{background:var(--card);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);transition:.3s}.card:hover{transform:translateY(-3px)}.card h3{color:var(--blue);font-size:17px;margin-bottom:10px}.card p{color:var(--text2);font-size:14px;margin:0;line-height:1.7}
.steps{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}.step{flex:1;min-width:200px;background:var(--card);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);text-align:center}.step-num{width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 10px}.step h4{color:var(--text);font-size:16px;margin-bottom:6px}.step p{color:var(--text2);font-size:14px;margin:0}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}th{background:var(--blue);color:#fff;padding:12px 16px;text-align:left;font-size:14px}td{padding:11px 16px;border-bottom:1px solid #f0f0f0;color:var(--text2);font-size:14px}
.tag-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.tag-wall span{background:var(--blue3);border:1px solid rgba(0,136,203,0.15);padding:7px 16px;border-radius:20px;font-size:13px;color:var(--blue)}
.back-link{text-align:center;padding:16px 0;font-size:14px}.back-link a{color:var(--text2)}.back-link a:hover{color:var(--blue)}
footer{background:var(--text);color:#fff;padding:36px 0 20px}footer a{color:rgba(255,255,255,0.6)}footer a:hover{color:#fff}.footer-bot{text-align:center;padding-top:16px;border-top:1px solid rgba(255,255,255,0.1);font-size:13px;opacity:.7}
@media(max-width:992px){.hero-flex,.grid-3,.grid-2{flex-direction:column;grid-template-columns:1fr}.hero-content h1{text-align:center}.btn-sec{margin-left:0;margin-top:10px}}@media(max-width:768px){.nav-links{display:none;position:absolute;top:100%;left:0;width:100%;background:#fff;flex-direction:column;padding:20px;border-bottom:1px solid var(--border)}.nav-links.active{display:flex}.mobile-btn{display:block}section{padding:50px 0}}