*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;}
body{background:#f5f5fa;color:#1a1a2e;line-height:1.7;overflow-x:hidden;transition:background .3s,color .3s;}
body.dark-mode{background:#0d0d1a;color:#e0e0f0;}
a{color:#0066cc;text-decoration:none;transition:color .2s;}
a:hover{color:#004499;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border-bottom:1px solid #e0e0e8;transition:background .3s;padding:10px 0;}
.dark-mode .navbar{background:rgba(13,13,26,0.95);border-color:#2a2a3e;}
.navbar .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.logo{font-size:1.8rem;font-weight:800;color:#e63946;letter-spacing:1px;}
.logo span{color:#1a1a2e;}
.dark-mode .logo span{color:#e0e0f0;}
.nav-links{display:flex;gap:20px;list-style:none;flex-wrap:wrap;}
.nav-links a{padding:8px 14px;border-radius:6px;font-weight:500;color:#1a1a2e;transition:background .2s;}
.dark-mode .nav-links a{color:#e0e0f0;}
.nav-links a:hover{background:rgba(230,57,70,0.1);}
.menu-toggle{display:none;font-size:1.5rem;cursor:pointer;background:none;border:none;color:#1a1a2e;}
.dark-mode .menu-toggle{color:#e0e0f0;}
@media (max-width:768px){
    .nav-links{display:none;flex-direction:column;width:100%;padding-top:10px;}
    .nav-links.open{display:flex;}
    .menu-toggle{display:block;}
}
.search-box{display:flex;align-items:center;gap:6px;background:#f0f0f5;border-radius:30px;padding:4px 12px;border:1px solid #ddd;transition:border .2s;}
.dark-mode .search-box{background:#1e1e30;border-color:#333;}
.search-box input{border:none;background:transparent;padding:6px 0;width:140px;outline:none;color:#1a1a2e;}
.dark-mode .search-box input{color:#e0e0f0;}
.search-box button{background:#e63946;border:none;color:#fff;border-radius:50%;width:28px;height:28px;cursor:pointer;font-size:0.9rem;transition:background .2s;}
.search-box button:hover{background:#c62828;}
.dark-toggle{background:none;border:2px solid #1a1a2e;border-radius:50%;width:36px;height:36px;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:all .2s;color:#1a1a2e;}
.dark-mode .dark-toggle{border-color:#e0e0f0;color:#e0e0f0;}
.breadcrumb{padding:15px 0;font-size:0.9rem;color:#666;}
.breadcrumb a{color:#0066cc;}
.breadcrumb span{margin:0 6px;}
.banner{position:relative;overflow:hidden;border-radius:16px;margin:20px 0;height:380px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);}
.banner-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.8s;padding:40px;text-align:center;color:#fff;}
.banner-slide.active{opacity:1;}
.banner-slide h2{font-size:2.2rem;font-weight:700;margin-bottom:12px;text-shadow:0 2px 10px rgba(0,0,0,0.5);}
.banner-slide p{font-size:1.1rem;max-width:600px;opacity:0.9;}
.banner-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px;}
.banner-dots span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all .3s;}
.banner-dots span.active{background:#e63946;width:30px;border-radius:6px;}
.section{padding:50px 0;border-bottom:1px solid #e8e8f0;}
.dark-mode .section{border-color:#2a2a3e;}
.section-title{font-size:1.8rem;font-weight:700;margin-bottom:30px;position:relative;padding-left:18px;}
.section-title::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:5px;background:#e63946;border-radius:3px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:30px;}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:25px;}
@media (max-width:768px){
    .grid-2,.grid-3{grid-template-columns:1fr;}
    .banner{height:280px;}
    .banner-slide h2{font-size:1.6rem;}
}
.card{background:rgba(255,255,255,0.8);backdrop-filter:blur(8px);border-radius:14px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,0.04);transition:transform .2s,box-shadow .2s;border:1px solid rgba(255,255,255,0.3);}
.dark-mode .card{background:rgba(26,26,46,0.8);border-color:rgba(42,42,62,0.5);box-shadow:0 4px 20px rgba(0,0,0,0.2);}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.08);}
.card h3{font-size:1.3rem;margin-bottom:10px;}
.card p{color:#555;font-size:0.95rem;}
.dark-mode .card p{color:#b0b0c8;}
.btn{display:inline-block;background:#e63946;color:#fff;padding:10px 24px;border-radius:30px;font-weight:600;transition:background .2s;border:none;cursor:pointer;}
.btn:hover{background:#c62828;}
.btn-outline{background:transparent;border:2px solid #e63946;color:#e63946;}
.btn-outline:hover{background:#e63946;color:#fff;}
.article-card{padding:20px;border-radius:12px;background:rgba(250,250,254,0.7);backdrop-filter:blur(4px);border:1px solid rgba(238,238,238,0.5);transition:all .2s;}
.dark-mode .article-card{background:rgba(20,20,40,0.7);border-color:rgba(42,42,62,0.5);}
.article-card h4{font-size:1.1rem;margin-bottom:6px;}
.article-card .meta{font-size:0.8rem;color:#999;margin-bottom:8px;}
.article-card p{font-size:0.9rem;color:#666;}
.article-card .read-more{color:#e63946;font-weight:500;}
.faq-item{border-bottom:1px solid #e0e0e8;padding:16px 0;cursor:pointer;}
.dark-mode .faq-item{border-color:#2a2a3e;}
.faq-question{font-weight:600;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;}
.faq-question::after{content:'+';font-size:1.5rem;transition:transform .3s;color:#e63946;}
.faq-item.open .faq-question::after{content:'−';}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease;padding-top:0;color:#555;}
.dark-mode .faq-answer{color:#b0b0c8;}
.faq-item.open .faq-answer{max-height:400px;padding-top:12px;}
.howto-step{background:rgba(240,240,248,0.7);backdrop-filter:blur(4px);border-radius:12px;padding:20px;margin-bottom:16px;border-left:4px solid #e63946;}
.dark-mode .howto-step{background:rgba(26,26,46,0.7);}
.howto-step h4{font-size:1.1rem;margin-bottom:6px;}
.footer{background:#1a1a2e;color:#ccc;padding:40px 0;margin-top:40px;}
.footer a{color:#aaa;}
.footer a:hover{color:#fff;}
.footer .grid-3{color:#ccc;}
.footer h4{color:#fff;margin-bottom:12px;}
.back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:#e63946;color:#fff;border:none;border-radius:50%;font-size:1.4rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999;box-shadow:0 4px 15px rgba(230,57,70,0.3);}
.back-top.show{opacity:1;visibility:visible;}
.stat-number{font-size:2rem;font-weight:800;color:#e63946;}
.fade-up{opacity:0;transform:translateY(30px);transition:opacity 0.6s,transform 0.6s;}
.fade-up.visible{opacity:1;transform:translateY(0);}
svg.icon{width:48px;height:48px;fill:#e63946;margin-bottom:10px;}
.card svg.icon{width:40px;height:40px;}
.contact-info p{margin:4px 0;font-size:0.95rem;}
.tag{display:inline-block;background:#e63946;color:#fff;padding:2px 12px;border-radius:20px;font-size:0.75rem;margin-right:6px;}