*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Microsoft YaHei,sans-serif}body{color:#333;background:linear-gradient(135deg,#f8fdff 0%,#f0f9ff 100%);flex-direction:column;min-height:100vh;line-height:1.6;display:flex}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}header{color:#fff;z-index:1000;background:linear-gradient(90deg,#1a6bb3 0%,#2a9d8f 100%);padding:1.2rem 0;position:sticky;top:0;box-shadow:0 4px 12px #1a6bb333}.navbar{justify-content:space-between;align-items:center;display:flex}.logo{align-items:center;gap:12px;font-size:1.8rem;font-weight:700;display:flex}.logo i{color:#8ee4af;font-size:2.2rem}.nav-links{gap:2rem;list-style:none;display:flex}.nav-links a{color:#fff;border-radius:6px;padding:8px 16px;font-size:1.1rem;font-weight:600;text-decoration:none;transition:all .3s}.nav-links a:hover{background-color:#ffffff26;transform:translateY(-2px)}.nav-links a.active{background-color:#fff3}main{flex:1;padding:3rem 0}.hero{text-align:center;background:linear-gradient(135deg,#e8f4fc 0%,#d4f1f4 100%);border-radius:20px;margin-bottom:3rem;padding:1rem;box-shadow:0 10px 30px #2a9d8f1a}.hero h1{background:linear-gradient(90deg,#1a6bb3,#2a9d8f);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:1.5rem;font-size:3.2rem;line-height:1.2}.hero p{color:#555;max-width:800px;margin:0 auto 2.5rem;font-size:1.3rem}.cta-button{color:#fff;cursor:pointer;background:linear-gradient(90deg,#2a9d8f,#1a6bb3);border:none;border-radius:50px;padding:16px 40px;font-size:1.2rem;font-weight:700;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 6px 20px #2a9d8f4d}.cta-button:hover{transform:translateY(-5px);box-shadow:0 10px 25px #2a9d8f66}.features{margin-top:4rem}.section-title{text-align:center;color:#1a6bb3;margin-bottom:3rem;font-size:2.5rem;position:relative}.section-title:after{content:"";background:linear-gradient(90deg,#1a6bb3,#2a9d8f);border-radius:2px;width:100px;height:4px;position:absolute;bottom:-12px;left:50%;transform:translate(-50%)}.cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2.5rem;display:grid}.card{text-align:center;background:#fff;border-top:5px solid #2a9d8f;border-radius:16px;padding:2.5rem 2rem;transition:all .3s;box-shadow:0 8px 25px #00000014}.card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #2a9d8f26}.card i{background:linear-gradient(135deg,#1a6bb3,#2a9d8f);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:1.5rem;font-size:3.5rem}.card h3{color:#1a6bb3;margin-bottom:1.2rem;font-size:1.6rem}.card p{color:#666;font-size:1.1rem}footer{color:#fff;background:linear-gradient(90deg,#0d4c7a 0%,#1a6bb3 100%);margin-top:auto;padding:2.5rem 0}.footer-content{text-align:center;flex-direction:column;align-items:center;display:flex}.footer-logo{align-items:center;gap:10px;margin-bottom:1.5rem;font-size:1.5rem;font-weight:600;display:flex}.footer-logo i{color:#8ee4af}.footer-info{border-top:1px solid #fff3;width:100%;padding-top:1.5rem}.beian{background-color:#ffffff1a;border-radius:8px;margin:1rem 0;padding:10px 20px;font-size:1.1rem;display:inline-block}.beian a{color:#8ee4af;font-weight:600;text-decoration:none}.beian a:hover{text-decoration:underline}.copyright{color:#fffc;margin-top:1rem;font-size:1rem}@media (width<=768px){.navbar{flex-direction:column;gap:1.5rem}.nav-links{flex-wrap:wrap;justify-content:center;gap:1rem}.hero h1{font-size:2.5rem}.hero p{font-size:1.1rem}.cards{grid-template-columns:1fr}}@media (width<=480px){.hero h1,.section-title{font-size:2rem}.card{padding:2rem 1.5rem}}