/* Reset & Base */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#f0f4f8;color:#1a2a3a;line-height:1.7;transition:background .4s ease,color .4s ease;min-height:100vh;overflow-x:hidden}body.dark{background:#0d1117;color:#e6edf3}a{color:#f5a623;text-decoration:none;transition:color .25s}a:hover{color:#d48c1a;text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 24px}::selection{background:#f5a623;color:#fff}

/* Navbar */
.navbar{background:rgba(255,255,255,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:2px solid rgba(245,166,35,0.3);padding:14px 0;position:sticky;top:0;z-index:1000;transition:background .4s,backdrop-filter .4s,border-color .4s}body.dark .navbar{background:rgba(13,17,23,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:rgba(245,166,35,0.2)}.navbar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.logo{font-size:1.8rem;font-weight:800;color:#f5a623;letter-spacing:-0.5px;text-shadow:0 2px 4px rgba(245,166,35,0.15)}.nav-links{display:flex;gap:24px;list-style:none;align-items:center}.nav-links a{color:#1a2a3a;font-weight:500;position:relative;padding:4px 0}body.dark .nav-links a{color:#c9d1d9}.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:#f5a623;transition:width .3s ease}.nav-links a:hover::after{width:100%}.nav-links a:hover{color:#f5a623;text-decoration:none}.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:#1a2a3a;padding:4px 8px;border-radius:6px;transition:background .25s}body.dark .menu-toggle{color:#e6edf3}.menu-toggle:hover{background:rgba(245,166,35,0.12)}.search-box{display:flex;gap:6px;width:100%;max-width:480px;margin-top:6px;margin-left:auto}.search-box input{flex:1;padding:10px 16px;border:2px solid #e2e8f0;border-radius:30px;font-size:0.95rem;background:rgba(255,255,255,0.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:border-color .3s,box-shadow .3s,background .3s}body.dark .search-box input{background:rgba(22,27,34,0.7);border-color:#30363d;color:#e6edf3}.search-box input:focus{outline:none;border-color:#f5a623;box-shadow:0 0 0 3px rgba(245,166,35,0.15)}.search-box button{padding:10px 24px;background:linear-gradient(135deg,#f5a623,#e6951f);color:#fff;border:none;border-radius:30px;cursor:pointer;font-size:0.95rem;font-weight:600;transition:transform .25s,box-shadow .25s;box-shadow:0 4px 12px rgba(245,166,35,0.25)}.search-box button:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(245,166,35,0.35)}.search-box button:active{transform:translateY(0)}

/* Breadcrumb */
.breadcrumb{background:rgba(255,255,255,0.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:10px 0;border-bottom:1px solid rgba(226,232,240,0.6);font-size:0.9rem;transition:background .4s}body.dark .breadcrumb{background:rgba(13,17,23,0.7);border-bottom-color:rgba(48,54,61,0.6)}.breadcrumb a{color:#f5a623;font-weight:500}.breadcrumb span{color:#8892a4;margin:0 4px}

/* Banner */
.banner{background:linear-gradient(135deg,#f5a623 0%,#f7c948 40%,#ffd966 100%);color:#fff;padding:72px 0 64px;text-align:center;position:relative;overflow:hidden;min-height:340px;display:flex;align-items:center}.banner::before{content:'';position:absolute;top:-60%;left:-30%;width:160%;height:160%;background:radial-gradient(circle,rgba(255,255,255,0.08) 0%,transparent 70%);pointer-events:none;animation:floatGlow 12s ease-in-out infinite alternate}.banner::after{content:'';position:absolute;bottom:-40%;right:-20%;width:120%;height:120%;background:radial-gradient(circle,rgba(255,255,255,0.05) 0%,transparent 60%);pointer-events:none;animation:floatGlow2 14s ease-in-out infinite alternate}@keyframes floatGlow{0%{transform:translate(0,0) scale(1)}100%{transform:translate(40px,-30px) scale(1.1)}}@keyframes floatGlow2{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-30px,40px) scale(1.15)}}.banner .container{position:relative;z-index:2}.banner-slider{display:flex;transition:transform .6s cubic-bezier(0.25,0.46,0.45,0.94)}.banner-slide{min-width:100%;padding:10px 20px}.banner h1{font-size:2.6rem;font-weight:800;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,0.08);letter-spacing:-0.5px}.banner p{font-size:1.2rem;max-width:680px;margin:0 auto 32px;opacity:0.92;line-height:1.6}.banner .btn{display:inline-block;padding:14px 36px;background:#1a2a3a;color:#fff;border-radius:40px;font-weight:700;font-size:1rem;transition:transform .3s,box-shadow .3s,background .3s;box-shadow:0 6px 20px rgba(0,0,0,0.12)}body.dark .banner .btn{background:#e6edf3;color:#0d1117}.banner .btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 10px 28px rgba(0,0,0,0.18);text-decoration:none}.banner .btn:active{transform:translateY(-1px) scale(0.98)}

/* Section */
.section{padding:64px 0;transition:background .4s}.section-title{font-size:2.2rem;text-align:center;margin-bottom:44px;color:#f5a623;font-weight:700;position:relative;display:inline-block;width:100%}.section-title::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(90deg,#f5a623,#f7c948);border-radius:4px;margin:10px auto 0}.section:nth-child(odd){background:rgba(255,255,255,0.5)}body.dark .section:nth-child(odd){background:rgba(22,27,34,0.4)}.section:nth-child(even){background:#fff}body.dark .section:nth-child(even){background:#161b22}

/* Grid & Cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px}.card{background:rgba(255,255,255,0.75);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:16px;padding:28px 24px;box-shadow:0 8px 30px rgba(0,0,0,0.04);border:1px solid rgba(255,255,255,0.5);transition:transform .35s cubic-bezier(0.25,0.46,0.45,0.94),box-shadow .35s,background .35s,border-color .35s}body.dark .card{background:rgba(22,27,34,0.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:rgba(48,54,61,0.4);box-shadow:0 8px 30px rgba(0,0,0,0.2)}.card:hover{transform:translateY(-8px) scale(1.01);box-shadow:0 16px 40px rgba(0,0,0,0.08);border-color:rgba(245,166,35,0.3)}body.dark .card:hover{box-shadow:0 16px 40px rgba(0,0,0,0.35);border-color:rgba(245,166,35,0.2)}.card h3{color:#f5a623;margin-bottom:14px;font-size:1.35rem;font-weight:700}.card p{color:#4a5568;line-height:1.65;font-size:0.95rem}body.dark .card p{color:#b0b8c4}.card svg,.card .svg-icon{width:56px;height:56px;margin-bottom:16px;fill:#f5a623;display:block}

/* FAQ */
.faq-item{border-bottom:1px solid rgba(226,232,240,0.7);padding:16px 0;transition:border-color .3s}body.dark .faq-item{border-bottom-color:rgba(48,54,61,0.5)}.faq-question{font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1.1rem;padding:6px 0;transition:color .25s;user-select:none}.faq-question:hover{color:#f5a623}.faq-question span{font-size:1.4rem;font-weight:300;transition:transform .35s;display:inline-block}.faq-question.open span{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(0.25,0.46,0.45,0.94),padding .35s;color:#4a5568;padding:0 8px;line-height:1.7}body.dark .faq-answer{color:#b0b8c4}.faq-answer.open{max-height:500px;padding:12px 8px 4px}

/* HowTo */
.howto-steps{list-style:none;counter-reset:step;padding:0}.howto-steps li{counter-increment:step;margin-bottom:22px;padding-left:48px;position:relative;font-size:0.98rem;line-height:1.7}.howto-steps li::before{content:counter(step);position:absolute;left:0;top:-2px;width:32px;height:32px;background:linear-gradient(135deg,#f5a623,#e6951f);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;box-shadow:0 4px 10px rgba(245,166,35,0.25)}

/* Article List */
.article-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}.article-card{background:rgba(255,255,255,0.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:14px;padding:22px 20px;box-shadow:0 4px 16px rgba(0,0,0,0.03);border:1px solid rgba(255,255,255,0.4);transition:transform .3s,box-shadow .3s,background .3s}body.dark .article-card{background:rgba(22,27,34,0.6);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-color:rgba(48,54,61,0.3)}.article-card:hover{transform:translateY(-5px);box-shadow:0 10px 28px rgba(0,0,0,0.06)}body.dark .article-card:hover{box-shadow:0 10px 28px rgba(0,0,0,0.2)}.article-card h4{color:#f5a623;margin-bottom:8px;font-size:1.15rem;font-weight:700}.article-card .meta{font-size:0.82rem;color:#8892a4;margin-bottom:10px;display:flex;gap:8px}.article-card p{color:#4a5568;line-height:1.65;font-size:0.93rem}body.dark .article-card p{color:#b0b8c4}.article-card .read-more{color:#f5a623;font-weight:600;display:inline-flex;align-items:center;gap:4px;margin-top:12px;transition:gap .3s}.article-card .read-more:hover{gap:8px;text-decoration:none}

/* Stats */
.stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;margin:32px 0 16px}.stat-item{text-align:center;padding:8px 16px;background:rgba(255,255,255,0.1);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:12px;min-width:120px}.stat-number{font-size:2.8rem;font-weight:800;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,0.1);line-height:1.2}.stat-label{color:rgba(255,255,255,0.85);font-size:0.95rem;font-weight:500;margin-top:4px}

/* Back to Top */
.back-to-top{position:fixed;bottom:32px;right:32px;background:linear-gradient(135deg,#f5a623,#e6951f);color:#fff;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s,transform .3s,box-shadow .3s;border:none;z-index:999;box-shadow:0 6px 20px rgba(245,166,35,0.3)}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 10px 28px rgba(245,166,35,0.4)}.back-to-top:active{transform:translateY(-1px) scale(0.95)}

/* Footer */
footer{background:#1a2a3a;color:#e6edf3;padding:48px 0 32px;margin-top:48px;transition:background .4s}body.dark footer{background:#0d1117}footer a{color:#f5a623;transition:color .25s}footer a:hover{color:#f7c948}footer .footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px}footer h4{color:#f5a623;margin-bottom:16px;font-size:1.15rem;font-weight:700}footer ul{list-style:none}footer ul li{margin-bottom:10px}footer ul li a{font-size:0.92rem;opacity:0.85;transition:opacity .25s}footer ul li a:hover{opacity:1}footer .copyright{text-align:center;padding-top:28px;border-top:1px solid rgba(255,255,255,0.08);margin-top:28px;font-size:0.85rem;color:rgba(255,255,255,0.5)}

/* Dark Toggle */
.dark-toggle{background:none;border:2px solid #f5a623;color:#f5a623;padding:6px 18px;border-radius:30px;cursor:pointer;font-size:0.9rem;font-weight:600;transition:background .3s,color .3s,transform .25s;white-space:nowrap}.dark-toggle:hover{background:#f5a623;color:#fff;transform:scale(1.03)}.dark-toggle:active{transform:scale(0.97)}

/* SVG Placeholder */
.svg-placeholder{width:100%;height:200px;background:rgba(245,166,35,0.06);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#8892a4;font-size:1rem;margin-bottom:16px;border:1px dashed rgba(245,166,35,0.2);transition:background .3s}body.dark .svg-placeholder{background:rgba(245,166,35,0.04);border-color:rgba(245,166,35,0.1);color:#6e7681}

/* Fade-in Scroll Animation */
.fade-in{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(0.25,0.46,0.45,0.94),transform .7s cubic-bezier(0.25,0.46,0.45,0.94)}.fade-in.visible{opacity:1;transform:translateY(0)}

/* Hover Card SVG */
.card svg{transition:transform .4s cubic-bezier(0.25,0.46,0.45,0.94),fill .3s}.card:hover svg{transform:scale(1.12) rotate(-4deg);fill:#d48c1a}

/* Responsive */
@media(max-width:768px){
    .container{padding:0 16px}
    .nav-links{display:none;flex-direction:column;width:100%;margin-top:12px;background:rgba(255,255,255,0.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:12px;padding:16px;gap:12px;box-shadow:0 8px 24px rgba(0,0,0,0.06)}body.dark .nav-links{background:rgba(13,17,23,0.95)}.nav-links.active{display:flex}.menu-toggle{display:block}.banner{padding:48px 0 40px;min-height:280px}.banner h1{font-size:1.8rem}.banner p{font-size:1rem;margin-bottom:24px}.section-title{font-size:1.6rem;margin-bottom:32px}.grid{gap:20px}.card{padding:20px 16px}.stats{gap:16px}.stat-number{font-size:2rem}.article-list{grid-template-columns:1fr}.footer-grid{gap:24px}.search-box{max-width:100%;margin-top:8px}.banner .btn{padding:12px 28px;font-size:0.95rem}.back-to-top{width:44px;height:44px;font-size:1.3rem;bottom:20px;right:20px}
}

@media(max-width:480px){
    .banner h1{font-size:1.4rem}.banner p{font-size:0.92rem}.section-title{font-size:1.3rem}.card h3{font-size:1.15rem}.stat-number{font-size:1.6rem}.logo{font-size:1.4rem}
}