*,*::before,*::after{box-sizing:border-box}body{background-color:var(--bg-base);color:var(--text-main);font-family:'Inter',sans-serif;font-size:1rem;line-height:1.78}a{color:var(--accent-teal);text-decoration:none}a:hover{color:var(--accent-orange)}.breadcrumb-wrap{background:#060f14;border-bottom:1px solid var(--border-subtle);padding:0.75rem 0}.breadcrumb{margin:0}.breadcrumb-item a{color:var(--accent-teal);font-size:0.85rem}.breadcrumb-item.active{color:var(--text-muted);font-size:0.85rem}.breadcrumb-item + .breadcrumb-item::before{color:var(--text-muted)}.page-hero{background:linear-gradient(135deg,#08131a 0%,#0c1e2c 55%,#08131a 100%);padding:72px 0 60px;position:relative;overflow:hidden}.page-hero::before{content:'';position:absolute;top:-80px;right:-60px;width:500px;height:500px;background:radial-gradient(circle,rgba(34,211,238,0.07) 0%,transparent 65%);pointer-events:none}.page-hero::after{content:'';position:absolute;bottom:-60px;left:-40px;width:380px;height:380px;background:radial-gradient(circle,rgba(251,146,60,0.05) 0%,transparent 65%);pointer-events:none}.hero-badge{display:inline-block;background:rgba(34,211,238,0.1);border:1px solid var(--accent-teal);color:var(--accent-teal);font-size:0.75rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;padding:0.3rem 0.9rem;border-radius:50px;margin-bottom:1.1rem}.page-hero h1{font-family:'Oswald',sans-serif;font-size:clamp(1.9rem,4.5vw,3rem);font-weight:700;line-height:1.15;color:var(--text-light)}.page-hero h1 span{color:var(--accent-orange)}.section-label{font-size:0.75rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent-teal);margin-bottom:0.4rem}.section-title{font-family:'Oswald',sans-serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:var(--text-light);margin-bottom:0.6rem}.section-title span{color:var(--accent-orange)}.card-dark{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:14px;padding:1.6rem;height:auto;transition:border-color 0.25s,transform 0.2s}.card-dark:hover{border-color:var(--accent-orange);transform:translateY(-3px)}.card-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:1rem}.icon-orange{background:rgba(251,146,60,0.15);color:var(--accent-orange)}.icon-teal{background:rgba(34,211,238,0.12);color:var(--accent-teal)}.icon-green{background:rgba(34,197,94,0.12);color:#4ade80}.info-box{background:rgba(34,211,238,0.06);border:1px solid rgba(34,211,238,0.22);border-radius:10px;padding:1.1rem 1.3rem;margin-bottom:1rem;display:flex;gap:0.75rem;align-items:flex-start}.info-box i{color:var(--accent-teal);font-size:1.1rem;flex-shrink:0;margin-top:2px}.info-box p{color:var(--text-muted);margin:0;font-size:0.9rem}.warn-box{background:rgba(251,146,60,0.07);border:1px solid rgba(251,146,60,0.28);border-radius:10px;padding:1.1rem 1.3rem;margin-bottom:1rem;display:flex;gap:0.75rem;align-items:flex-start}.warn-box i{color:var(--accent-orange);font-size:1.1rem;flex-shrink:0;margin-top:2px}.warn-box p{color:var(--text-muted);margin:0;font-size:0.9rem}.toc-box{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:14px;padding:1.5rem 1.8rem;position:sticky;top:80px}.toc-box h6{color:var(--accent-teal);font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:1rem}.toc-list{list-style:none;padding:0;margin:0}.toc-list li{margin-bottom:0.45rem}.toc-list li a{color:var(--text-muted);font-size:0.875rem;display:flex;align-items:center;gap:0.5rem;transition:color 0.2s}.toc-list li a:hover{color:var(--accent-orange)}.toc-list li a i{font-size:0.65rem;color:var(--accent-orange);flex-shrink:0}.rg-section{margin-bottom:2.8rem;scroll-margin-top:90px}.rg-section h2{font-family:'Oswald',sans-serif;font-size:1.35rem;font-weight:700;color:var(--text-light);margin-bottom:1rem;padding-bottom:0.6rem;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;gap:0.6rem}.rg-section h2 .section-num{background:rgba(251,146,60,0.15);color:var(--accent-orange);font-size:0.78rem;font-weight:700;padding:0.2rem 0.55rem;border-radius:6px;flex-shrink:0}.rg-section p{color:var(--text-muted);margin-bottom:0.9rem}.rg-section ul{color:var(--text-muted);padding-left:1.4rem;margin-bottom:0.9rem}.rg-section ul li{margin-bottom:0.45rem}.rg-section strong{color:var(--text-main)}.quiz-wrap{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:16px;padding:2rem}.quiz-question{color:var(--text-main);font-weight:600;font-size:0.95rem;margin-bottom:0.5rem}.quiz-options{display:flex;gap:0.75rem;flex-wrap:wrap;margin-bottom:1.2rem}.quiz-opt{background:rgba(255,255,255,0.04);border:1px solid var(--border-subtle);color:var(--text-muted);font-size:0.85rem;padding:0.4rem 1rem;border-radius:50px;cursor:pointer;transition:background 0.2s,border-color 0.2s,color 0.2s;user-select:none}.quiz-opt:hover,.quiz-opt.selected{background:rgba(251,146,60,0.15);border-color:var(--accent-orange);color:var(--accent-orange)}.quiz-result{display:none;background:rgba(34,211,238,0.07);border:1px solid rgba(34,211,238,0.25);border-radius:10px;padding:1rem 1.2rem;color:var(--text-muted);font-size:0.9rem}.quiz-result.show{display:block}.step-item{display:flex;gap:1.2rem;align-items:flex-start;margin-bottom:1.6rem}.step-num{width:40px;height:40px;border-radius:50%;background:rgba(251,146,60,0.15);border:2px solid var(--accent-orange);color:var(--accent-orange);font-weight:800;font-size:0.9rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.step-body h6{color:var(--text-light);font-weight:700;margin-bottom:0.25rem}.step-body p{color:var(--text-muted);font-size:0.9rem;margin:0}.stat-strip{background:var(--bg-card);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);padding:36px 0}.stat-item{text-align:center}.stat-num{font-family:'Oswald',sans-serif;font-size:2.2rem;font-weight:700;color:var(--accent-orange);line-height:1}.stat-label{color:var(--text-muted);font-size:0.85rem;margin-top:0.3rem}.cta-band{background:linear-gradient(90deg,#0d1e28 0%,#0a1820 100%);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);padding:68px 0}.section-pad{padding:72px 0}.section-pad-sm{padding:52px 0}@media (max-width:991px){.toc-box{position:static;margin-bottom:2rem}}@media (max-width:768px){.page-hero{padding:48px 0 40px}.section-pad{padding:48px 0}.stat-num{font-size:1.7rem}}html,body{overflow-x:clip;width:100%}