:root{--primary-color: #4a6cf7;--primary-dark: #2541b2;--text-color: #e0e0e0;--dark-bg: #0a0a1a;--darker-bg: #050510;--accent-color: #00f0ff}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}body{background-color:var(--dark-bg);color:var(--text-color);overflow-x:hidden;line-height:1.6}.home-navbar{display:flex;justify-content:space-between;align-items:center;padding:20px 5%;position:fixed;width:100%;top:0;z-index:1000;background-color:#0a0a1ae6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.logo{display:flex;align-items:center}.logo img{height:30px;margin-right:10px}.logo h1{font-size:1.5rem;font-weight:700;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent}.nav-links{display:flex;list-style:none}.nav-links li{margin-left:30px}.nav-links a{color:var(--text-color);text-decoration:none;font-weight:500;transition:color .3s}.nav-links a:hover{color:var(--accent-color)}.mobile-menu-btn{display:none;background:none;border:none;color:var(--text-color);font-size:1.5rem;cursor:pointer}.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 5%;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at center,rgba(74,108,247,.05) 0%,transparent 70%);z-index:-1}.hero-content{max-width:800px;margin-top:80px}.hero h2{font-size:3.5rem;margin-bottom:20px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent}.hero .slogan{font-size:1.5rem;margin-bottom:30px;opacity:.9}.hero .slogan-en{font-size:1.2rem;margin-bottom:40px;opacity:.8;font-style:italic}.cta-button{display:inline-block;padding:15px 30px;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;border-radius:50px;text-decoration:none;font-weight:600;font-size:1.1rem;transition:all .3s;box-shadow:0 10px 20px #4a6cf74d;border:none;cursor:pointer;position:relative;overflow:hidden}.cta-button:hover{transform:translateY(-3px);box-shadow:0 15px 30px #4a6cf766}.cta-button:hover:after{opacity:1}.features{padding:100px 5%;background-color:var(--darker-bg);position:relative}.section-title{text-align:center;margin-bottom:60px;font-size:2.5rem;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;max-width:1200px;margin:0 auto}.feature-card{background:#14142866;border-radius:15px;padding:30px;transition:transform .5s,box-shadow .5s;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid rgba(74,108,247,.1)}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px #4a6cf71a;border:1px solid rgba(74,108,247,.3);background:#14142899}.feature-icon{width:60px;height:60px;display:flex;align-items:center;justify-content:center;margin:0 auto 25px;border-radius:50%;background:#4a6cf71a;font-size:1.5rem;color:var(--accent-color);border:1px solid rgba(74,108,247,.2)}.feature-title{font-size:1.3rem;margin-bottom:15px;color:#fff;text-align:center}.feature-desc{opacity:.8;text-align:center;font-size:.95rem;line-height:1.7}.ripple{position:absolute;border-radius:50%;background:#4a6cf708;transform:scale(0);pointer-events:none;animation:ripple 15s infinite;z-index:-1;border:1px solid rgba(74,108,247,.05)}@keyframes ripple{0%{transform:scale(0);opacity:.5}70%{opacity:.3}to{transform:scale(8);opacity:0}}.ripple-1{width:100px;height:100px;top:20%;left:10%;animation-delay:0s}.ripple-2{width:150px;height:150px;top:60%;left:80%;animation-delay:3s}.ripple-3{width:200px;height:200px;top:30%;left:50%;animation-delay:6s}.ripple-4{width:120px;height:120px;top:80%;left:20%;animation-delay:9s}.ripple-5{width:180px;height:180px;top:10%;left:70%;animation-delay:12s}footer{background-color:var(--darker-bg);padding:50px 5% 30px;text-align:center;border-top:1px solid rgba(74,108,247,.1)}.footer-logo{font-size:1.8rem;font-weight:700;margin-bottom:20px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block}.footer-links{display:flex;justify-content:center;list-style:none;margin-bottom:30px;flex-wrap:wrap}.footer-links li{margin:0 15px}.footer-links a{color:var(--text-color);text-decoration:none;opacity:.7;transition:opacity .3s}.footer-links a:hover{opacity:1}.social-links{display:flex;justify-content:center;list-style:none;margin-bottom:30px}.social-links li{margin:0 10px}.social-links a{color:var(--text-color);font-size:1.2rem;opacity:.7;transition:opacity .3s,color .3s}.social-links a:hover{opacity:1;color:var(--accent-color)}.copyright{opacity:.6;font-size:.9rem}.nav-links .language-switcher{margin-left:20px;display:flex;align-items:center}.nav-links .lang-select{width:4.5rem;padding:3px 14px;border:none;border-radius:8px;background-color:#f8f8f8;color:#333;font-size:1rem;font-weight:500;cursor:pointer;appearance:none;-webkit-appearance:none;-moz-appearance:none;outline:none;box-shadow:0 2px 5px #0000001a;transition:background-color .3s ease,box-shadow .3s ease}.nav-links .lang-select:hover{background-color:#e0e0e0;box-shadow:0 4px 10px #00000026}.nav-links .lang-select:focus{box-shadow:0 0 0 3px #4a6cf74d}select{background-image:unset}.language-switcher{position:relative}.language-switcher:after{content:"";font-family:"Font Awesome 5 Free";font-weight:900;position:absolute;right:10px;top:50%;transform:translateY(-50%);color:#333;pointer-events:none;font-size:.8rem}@media (max-width: 768px){.nav-links{display:none;position:absolute;top:80px;left:0;width:100%;background-color:var(--dark-bg);flex-direction:column;align-items:center;padding:20px 0}.nav-links.active{display:flex}.nav-links li{margin:15px 0}.mobile-menu-btn{display:block}.hero h2{font-size:2.5rem}.hero .slogan{font-size:1.2rem}.hero .slogan-en{font-size:1rem}.section-title{font-size:2rem}.features-grid{grid-template-columns:1fr}.language-switcher{list-style:none;display:flex;align-items:center;position:relative}.lang-select{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding:6px 30px 6px 16px;font-size:14px;font-weight:500;line-height:1.5;cursor:pointer;color:#fff;background-color:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:20px;transition:all .25s ease}.lang-select:hover{background-color:#ffffff26;border-color:#ffffff4d}.lang-select:focus{outline:none;border-color:#6366f1;box-shadow:0 0 0 3px #6366f133}.language-switcher:after{content:"";position:absolute;right:14px;top:50%;transform:translateY(-50%);width:8px;height:5px;background-color:#fff;clip-path:polygon(100% 0%,0% 0%,50% 100%);pointer-events:none;opacity:.7}.nav-links.active .language-switcher{margin:15px auto;width:-moz-fit-content;width:fit-content}.nav-links.active .lang-select{width:120px;text-align:center}}.nav-links[data-v-19e5206f]{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:2rem}.nav-links li[data-v-19e5206f]{width:auto;flex-shrink:0;display:flex;align-items:center}.nav-links a[data-v-19e5206f],.nav-item-link[data-v-19e5206f]{white-space:nowrap;text-decoration:none;padding:.5rem 0;transition:color .2s}.ripple-wrapper[data-v-19e5206f]{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none}