:root{ --primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--primary-glow:rgba(99,102,241,0.35);--primary-bg:rgba(99,102,241,0.06);--accent-1:#f43f5e;--accent-2:#06b6d4;--accent-3:#10b981;--accent-4:#f59e0b;--accent-5:#8b5cf6;--accent-6:#ec4899;--surface:#ffffff;--surface-alt:#f8fafc;--surface-warm:#fffbf5;--border:#e2e8f0;--border-light:#f1f5f9;--border-focus:rgba(99,102,241,0.3);--text-dark:#0f172a;--text-heading:#1e293b;--text-body:#334155;--text-secondary:#64748b;--text-muted:#94a3b8;--radius-xs:6px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--shadow-xs:0 1px 3px rgba(0,0,0,0.04);--shadow-sm:0 2px 8px rgba(0,0,0,0.05);--shadow-md:0 4px 24px rgba(0,0,0,0.08);--shadow-lg:0 12px 48px rgba(0,0,0,0.12);--shadow-xl:0 20px 60px rgba(0,0,0,0.15);--shadow-glow:0 0 40px rgba(99,102,241,0.2);--shadow-glow-lg:0 0 80px rgba(99,102,241,0.25);--ease:cubic-bezier(0.4,0,0.2,1);--ease-bounce:cubic-bezier(0.34,1.56,0.64,1);--font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--gradient-primary:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a78bfa 100%);--gradient-warm:linear-gradient(135deg,#f43f5e 0%,#f97316 100%);--gradient-cool:linear-gradient(135deg,#06b6d4 0%,#3b82f6 100%);--gradient-fresh:linear-gradient(135deg,#10b981 0%,#06b6d4 100%);--gradient-hero:linear-gradient(135deg,#eef2ff 0%,#faf5ff 25%,#fff1f2 50%,#ecfeff 75%,#ecfdf5 100%);}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}.skip-link{position:absolute;top:-100%;left:50%;transform:translateX(-50%);background:var(--gradient-primary);color:#fff;padding:0.75rem 1.5rem;border-radius:var(--radius-full);font-weight:700;font-size:0.85rem;z-index:9999;transition:top 0.3s var(--ease);text-decoration:none}.skip-link:focus{top:1rem;color:#fff}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--text-body);line-height:1.7;background:var(--surface);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{text-decoration:none;transition:color 0.25s var(--ease)}ul{list-style:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}h1,h2,h3,h4{font-weight:800;line-height:1.15;letter-spacing:-0.03em;color:var(--text-heading)}h1{font-size:clamp(2.5rem,5vw,4.25rem)}h2{font-size:clamp(1.8rem,3vw,2.5rem)}h3{font-size:1.15rem;font-weight:700}p{color:var(--text-secondary);margin-bottom:1rem}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:5.5rem 0}.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.88);backdrop-filter:blur(28px) saturate(200%);-webkit-backdrop-filter:blur(28px) saturate(200%);border-bottom:1px solid rgba(0,0,0,0.05);padding:0.75rem 0;transition:box-shadow 0.3s var(--ease)}.header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.06)}.header .container{display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.6rem;font-weight:900;color:var(--text-dark);letter-spacing:-0.04em;display:flex;align-items:center;gap:0.4rem}.logo-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:1rem;letter-spacing:0}.logo span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav{display:flex;align-items:center;gap:0.25rem}.nav a{font-weight:500;color:var(--text-secondary);padding:0.5rem 1rem;border-radius:var(--radius-sm);position:relative;transition:all 0.25s var(--ease);min-height:44px;display:inline-flex;align-items:center}.nav a:hover,.nav a.active{color:var(--primary);background:var(--primary-bg)}.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;color:var(--text-dark);padding:0.5rem;border-radius:var(--radius-sm);transition:background 0.2s;min-width:48px;min-height:48px;align-items:center;justify-content:center}.mobile-menu-btn:hover{background:var(--surface-alt)}.menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.3);z-index:98;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.menu-overlay.active{display:block}.hero{padding:5rem 0 7rem;background:var(--gradient-hero);position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-300px;right:-200px;width:800px;height:800px;background:radial-gradient(circle,rgba(99,102,241,0.08) 0%,transparent 65%);border-radius:50%;animation:heroPulse 6s ease-in-out infinite}.hero::after{content:'';position:absolute;bottom:-200px;left:-100px;width:600px;height:600px;background:radial-gradient(circle,rgba(244,63,94,0.05) 0%,transparent 65%);border-radius:50%;animation:heroPulse 8s ease-in-out infinite 1s}.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.hero-content{animation:slideIn 0.6s var(--ease) both}.hero-badge{display:inline-flex;align-items:center;gap:0.5rem;padding:0.45rem 1.1rem;background:var(--gradient-primary);color:#fff;border-radius:var(--radius-full);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:1.5rem;box-shadow:0 4px 15px var(--primary-glow)}.hero-badge::before{content:'\2726';font-size:0.8rem}.hero h1{margin-bottom:1.25rem;color:var(--text-dark)}.hero h1 .gradient{background:linear-gradient(135deg,#6366f1 0%,#ec4899 50%,#f43f5e 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-desc{font-size:1.15rem;color:var(--text-secondary);margin-bottom:2.25rem;max-width:500px;line-height:1.8}.hero-cta{display:inline-flex;align-items:center;gap:0.75rem;padding:1rem 2.25rem;background:var(--gradient-primary);color:#fff;border-radius:var(--radius-full);font-weight:700;font-size:1rem;box-shadow:0 6px 25px var(--primary-glow);transition:all 0.3s var(--ease);position:relative;overflow:hidden;min-height:48px}.hero-cta::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.5s var(--ease)}.hero-cta:hover{transform:translateY(-3px);box-shadow:0 10px 35px var(--primary-glow);color:#fff}.hero-cta:hover::before{left:100%}.hero-cta::after{content:'\2192';transition:transform 0.3s var(--ease);font-size:1.1rem}.hero-cta:hover::after{transform:translateX(5px)}.hero-stats{display:flex;gap:2.5rem;margin-top:3rem}.hero-stat{position:relative}.hero-stat::after{content:'';position:absolute;right:-1.25rem;top:50%;transform:translateY(-50%);width:1px;height:40px;background:var(--border)}.hero-stat:last-child::after{display:none}.hero-stat-num{font-size:2.2rem;font-weight:900;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.03em}.hero-stat-label{font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.1em;font-weight:600}.hero-visual{animation:slideIn 0.6s var(--ease) 0.15s both}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.hero-card{background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,0.8);transition:all 0.35s var(--ease);position:relative;overflow:hidden}.hero-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--card-gradient);transform:scaleX(0);transform-origin:left;transition:transform 0.4s var(--ease)}.hero-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow-lg)}.hero-card:hover::before{transform:scaleX(1)}.hero-card:nth-child(1){--card-gradient:var(--gradient-warm)}.hero-card:nth-child(2){--card-gradient:var(--gradient-cool)}.hero-card:nth-child(3){--card-gradient:var(--gradient-fresh)}.hero-card:nth-child(4){--card-gradient:linear-gradient(135deg,#f59e0b,#ef4444)}.hero-card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:0.75rem;background:var(--card-icon-bg)}.hero-card:nth-child(1){--card-icon-bg:linear-gradient(135deg,#fff1f2,#ffe4e6)}.hero-card:nth-child(2){--card-icon-bg:linear-gradient(135deg,#ecfeff,#cffafe)}.hero-card:nth-child(3){--card-icon-bg:linear-gradient(135deg,#ecfdf5,#d1fae5)}.hero-card:nth-child(4){--card-icon-bg:linear-gradient(135deg,#fffbeb,#fef3c7)}.hero-card h3{font-size:0.95rem;margin-bottom:0.2rem}.hero-card p{font-size:0.8rem;color:var(--text-muted);margin:0}.section-header{text-align:center;margin-bottom:3.5rem}.section-tag{display:inline-flex;align-items:center;gap:0.5rem;padding:0.4rem 1.1rem;background:var(--gradient-primary);color:#fff;border-radius:var(--radius-full);font-size:0.7rem;font-weight:700;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:1.1rem;box-shadow:0 3px 12px var(--primary-glow)}.section-header h2{margin-bottom:0.75rem}.section-header p{font-size:1.1rem;color:var(--text-secondary);max-width:550px;margin:0 auto}.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}.calc-card{background:#fff;border-radius:var(--radius-xl);padding:1.75rem;border:1px solid var(--border-light);position:relative;overflow:hidden;transition:all 0.35s var(--ease);display:flex;flex-direction:column;text-decoration:none;box-shadow:var(--shadow-sm)}.calc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--card-accent);transform:scaleX(0);transform-origin:left;transition:transform 0.4s var(--ease)}.calc-card::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:var(--card-accent-bg);opacity:0;transition:opacity 0.35s var(--ease);pointer-events:none}.calc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}.calc-card:hover::before{transform:scaleX(1)}.calc-card:hover::after{opacity:1}.calc-card:nth-child(1){--card-accent:var(--gradient-primary);--card-accent-bg:rgba(99,102,241,0.03)}.calc-card:nth-child(2){--card-accent:linear-gradient(90deg,#64748b,#475569);--card-accent-bg:rgba(100,116,139,0.03)}.calc-card:nth-child(3){--card-accent:var(--gradient-cool);--card-accent-bg:rgba(6,182,212,0.03)}.calc-card:nth-child(4){--card-accent:linear-gradient(90deg,#8b5cf6,#a78bfa);--card-accent-bg:rgba(139,92,246,0.03)}.calc-card:nth-child(5){--card-accent:var(--gradient-warm);--card-accent-bg:rgba(244,63,94,0.03)}.calc-card:nth-child(6){--card-accent:linear-gradient(90deg,#0ea5e9,#38bdf8);--card-accent-bg:rgba(14,165,233,0.03)}.calc-card:nth-child(7){--card-accent:var(--gradient-fresh);--card-accent-bg:rgba(16,185,129,0.03)}.calc-card:nth-child(8){--card-accent:linear-gradient(90deg,#f97316,#fb923c);--card-accent-bg:rgba(249,115,22,0.03)}.calc-card:nth-child(9){--card-accent:linear-gradient(90deg,#eab308,#facc15);--card-accent-bg:rgba(234,179,8,0.03)}.calc-card:nth-child(10){--card-accent:linear-gradient(90deg,#0ea5e9,#38bdf8);--card-accent-bg:rgba(14,165,233,0.03)}.calc-card-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:1.25rem;transition:all 0.35s var(--ease-bounce);position:relative;z-index:1}.calc-card:nth-child(1) .calc-card-icon{background:linear-gradient(135deg,#eef2ff,#e0e7ff)}.calc-card:nth-child(2) .calc-card-icon{background:linear-gradient(135deg,#f1f5f9,#e2e8f0)}.calc-card:nth-child(3) .calc-card-icon{background:linear-gradient(135deg,#ecfeff,#cffafe)}.calc-card:nth-child(4) .calc-card-icon{background:linear-gradient(135deg,#f5f3ff,#ede9fe)}.calc-card:nth-child(5) .calc-card-icon{background:linear-gradient(135deg,#fff1f2,#ffe4e6)}.calc-card:nth-child(6) .calc-card-icon{background:linear-gradient(135deg,#f0f9ff,#e0f2fe)}.calc-card:nth-child(7) .calc-card-icon{background:linear-gradient(135deg,#ecfdf5,#d1fae5)}.calc-card:nth-child(8) .calc-card-icon{background:linear-gradient(135deg,#fff7ed,#ffedd5)}.calc-card:nth-child(9) .calc-card-icon{background:linear-gradient(135deg,#fef9c3,#fde68a)}.calc-card:nth-child(10) .calc-card-icon{background:linear-gradient(135deg,#e0f2fe,#bae6fd)}.calc-card:hover .calc-card-icon{transform:scale(1.15) rotate(-5deg)}.calc-card h3{margin-bottom:0.5rem;position:relative;z-index:1}.calc-card p{font-size:0.875rem;color:var(--text-muted);margin-bottom:1.25rem;line-height:1.6;flex:1;position:relative;z-index:1}.calc-card-link{font-size:0.85rem;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:0.35rem;position:relative;z-index:1;transition:all 0.25s var(--ease)}.calc-card-link::after{content:'\2192';transition:transform 0.25s var(--ease)}.calc-card:hover .calc-card-link{color:var(--primary-dark)}.calc-card:hover .calc-card-link::after{transform:translateX(4px)}.why-section{background:linear-gradient(180deg,var(--surface-alt) 0%,var(--surface) 100%)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}.feature-card{background:#fff;border-radius:var(--radius-xl);padding:2rem 1.5rem;text-align:center;border:1px solid var(--border-light);transition:all 0.35s var(--ease);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.feature-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--feature-gradient);transform:scaleX(0);transition:transform 0.4s var(--ease)}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.feature-card:hover::after{transform:scaleX(1)}.feature-card:nth-child(1){--feature-gradient:var(--gradient-primary)}.feature-card:nth-child(2){--feature-gradient:var(--gradient-warm)}.feature-card:nth-child(3){--feature-gradient:var(--gradient-fresh)}.feature-card:nth-child(4){--feature-gradient:linear-gradient(90deg,#f59e0b,#f97316)}.feature-icon{width:68px;height:68px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.7rem;margin:0 auto 1.25rem;transition:all 0.35s var(--ease-bounce)}.feature-card:nth-child(1) .feature-icon{background:linear-gradient(135deg,#eef2ff,#e0e7ff)}.feature-card:nth-child(2) .feature-icon{background:linear-gradient(135deg,#fff1f2,#ffe4e6)}.feature-card:nth-child(3) .feature-icon{background:linear-gradient(135deg,#ecfdf5,#d1fae5)}.feature-card:nth-child(4) .feature-icon{background:linear-gradient(135deg,#fffbeb,#fef3c7)}.feature-card:hover .feature-icon{transform:scale(1.12) rotate(-5deg)}.feature-card h3{margin-bottom:0.5rem;font-size:1.05rem}.feature-card p{font-size:0.875rem;color:var(--text-muted);margin:0;line-height:1.6}.calc-hero{background:var(--gradient-hero);padding:3.5rem 0;border-bottom:1px solid var(--border-light);position:relative;overflow:hidden}.calc-hero::before{content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(99,102,241,0.06) 0%,transparent 70%);border-radius:50%}.calc-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:0.5rem}.calc-hero p{font-size:1.05rem;max-width:600px}.breadcrumb{display:flex;align-items:center;gap:0.5rem;font-size:0.85rem;color:var(--text-muted);margin-bottom:1.25rem;flex-wrap:wrap}.breadcrumb a{color:var(--text-muted);padding:0.2rem 0.4rem;border-radius:var(--radius-xs);transition:all 0.2s var(--ease)}.breadcrumb a:hover{color:var(--primary);background:var(--primary-bg)}.breadcrumb-separator{color:var(--border);font-size:0.9rem}.calc-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding:2.5rem 0 4rem}.calc-form{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);border-radius:var(--radius-xl);padding:2rem;border:1px solid rgba(255,255,255,0.8);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.calc-form::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary)}.calc-form h2{font-size:1.3rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid var(--border-light);display:flex;align-items:center;gap:0.5rem}.calc-form h2::before{content:'';width:8px;height:8px;background:var(--gradient-primary);border-radius:50%;flex-shrink:0}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:600;color:var(--text-body);margin-bottom:0.5rem;font-size:0.85rem;letter-spacing:0.01em}.form-group input,.form-group select{width:100%;padding:0.9rem 1.1rem;border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;background:#fff;color:var(--text-dark);transition:all 0.25s var(--ease);box-shadow:var(--shadow-xs)}.form-group input:hover,.form-group select:hover{border-color:#cbd5e1;box-shadow:var(--shadow-sm)}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(99,102,241,0.1),var(--shadow-sm)}.form-group input::placeholder{color:var(--text-muted)}.calc-btn{width:100%;padding:1rem;background:var(--gradient-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:700;margin-top:0.75rem;transition:all 0.3s var(--ease);box-shadow:0 4px 18px var(--primary-glow);position:relative;overflow:hidden;letter-spacing:0.01em;min-height:48px}.calc-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.5s var(--ease)}.calc-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px var(--primary-glow)}.calc-btn:hover::before{left:100%}.calc-btn:active{transform:translateY(0);box-shadow:0 2px 10px var(--primary-glow)}.calc-btn-reset{width:100%;padding:0.85rem;background:linear-gradient(135deg,#64748b,#475569);color:#fff;border:none;border-radius:var(--radius-md);font-size:0.95rem;font-weight:700;margin-top:0.5rem;transition:all 0.3s var(--ease);box-shadow:0 4px 18px rgba(100,116,139,0.3);min-height:48px}.calc-results{background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);border-radius:var(--radius-xl);padding:2rem;border:1px solid rgba(255,255,255,0.8);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.calc-results::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-fresh)}.calc-results h2{font-size:1.3rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid var(--border-light);display:flex;align-items:center;gap:0.5rem}.calc-results h2::before{content:'';width:8px;height:8px;background:var(--gradient-fresh);border-radius:50%;flex-shrink:0}.result-card,.result-item{background:linear-gradient(135deg,#f8fafc 0%,#fff 100%);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:1.25rem 1.5rem;margin-bottom:0.75rem;display:flex;justify-content:space-between;align-items:center;transition:all 0.3s var(--ease);position:relative;overflow:hidden}.result-card::after,.result-item::after{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gradient-primary);transform:scaleY(0);transition:transform 0.3s var(--ease);border-radius:0 2px 2px 0}.result-card:hover,.result-item:hover{border-color:rgba(99,102,241,0.15);box-shadow:var(--shadow-sm);transform:translateX(4px)}.result-card:hover::after,.result-item:hover::after{transform:scaleY(1)}.result-label{font-size:0.78rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.07em}.result-value{font-size:1.4rem;font-weight:800;color:var(--primary);letter-spacing:-0.02em}.result-value.highlight{font-size:1.8rem;background:linear-gradient(135deg,var(--primary),var(--accent-1));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.result-unit{font-size:0.8rem;font-weight:500;color:var(--text-muted);margin-left:0.25rem}.result-card.primary,.result-item.primary{background:linear-gradient(135deg,#eef2ff 0%,rgba(99,102,241,0.04) 100%);border-color:rgba(99,102,241,0.15)}.result-card.primary::after,.result-item.primary::after{background:var(--gradient-warm);transform:scaleY(1)}.cd-table,.result-table table,.schedule-table table{width:100%;border-collapse:separate;border-spacing:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);margin-top:1.25rem}.cd-table th,.cd-table td,.result-table th,.result-table td,.schedule-table th,.schedule-table td{padding:0.875rem 1.25rem;text-align:left;border-bottom:1px solid var(--border-light)}.cd-table th,.result-table th,.schedule-table th{background:linear-gradient(135deg,var(--surface-alt) 0%,#fff 100%);font-weight:700;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-muted);border-bottom:2px solid var(--border)}.cd-table tr:last-child td,.result-table tr:last-child td,.schedule-table tr:last-child td{border-bottom:none}.cd-table tr:hover td,.result-table tr:hover td,.schedule-table tr:hover td{background:rgba(99,102,241,0.02)}.faq-section{background:linear-gradient(180deg,var(--surface-alt) 0%,var(--surface) 100%)}.faq-list{max-width:800px;margin:0 auto}.faq-item{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-lg);margin-bottom:0.75rem;overflow:hidden;transition:all 0.3s var(--ease);box-shadow:var(--shadow-xs)}.faq-item:hover{border-color:var(--border);box-shadow:var(--shadow-sm)}.faq-item.active{border-color:rgba(99,102,241,0.2);box-shadow:0 4px 24px rgba(99,102,241,0.08)}.faq-question{width:100%;padding:1.25rem 1.5rem;background:none;border:none;text-align:left;font-size:1rem;font-weight:600;color:var(--text-heading);display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:color 0.25s var(--ease);min-height:48px}.faq-question:hover{color:var(--primary)}.faq-question::after{content:'+';font-size:1.1rem;font-weight:300;color:var(--text-muted);width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);background:var(--surface-alt);flex-shrink:0;transition:all 0.3s var(--ease-bounce);border:1px solid var(--border-light)}.faq-item.active .faq-question::after{content:'\2212';color:#fff;background:var(--gradient-primary);transform:rotate(180deg);border-color:transparent;box-shadow:0 3px 12px var(--primary-glow)}.faq-answer{padding:0 1.5rem;max-height:0;overflow:hidden;transition:max-height 0.4s var(--ease),padding 0.4s var(--ease)}.faq-item.active .faq-answer{padding:0 1.5rem 1.5rem;max-height:500px}.faq-answer p{color:var(--text-secondary);font-size:0.95rem;line-height:1.8}.related-tools{padding:2.5rem 0;border-top:1px solid var(--border-light)}.related-tools h3{margin-bottom:1rem;font-size:1rem}.related-links{display:flex;gap:0.75rem;flex-wrap:wrap}.related-link{display:inline-flex;align-items:center;gap:0.5rem;padding:0.55rem 1.3rem;background:var(--surface-alt);border-radius:var(--radius-full);font-size:0.875rem;font-weight:600;color:var(--text-secondary);transition:all 0.25s var(--ease);border:1px solid var(--border-light);min-height:44px}.related-link:hover{background:var(--primary-bg);color:var(--primary);border-color:rgba(99,102,241,0.2);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.blog-hero-section{position:relative;background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);overflow:hidden;padding:5rem 0 5.5rem}.blog-hero-glow{position:absolute;border-radius:50%;filter:blur(80px);animation:pulseRing 6s ease-in-out infinite}.blog-hero-glow-1{width:400px;height:400px;background:rgba(59,130,246,0.12);top:-100px;right:-80px}.blog-hero-glow-2{width:350px;height:350px;background:rgba(139,92,246,0.1);bottom:-80px;left:-60px;animation-delay:1s}.blog-hero-dots{position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,0.04) 1px,transparent 0);background-size:32px 32px}.blog-hero-inner{position:relative;z-index:1;text-align:center;max-width:640px;margin:0 auto}.blog-hero-badge{display:inline-flex;align-items:center;gap:0.5rem;padding:0.45rem 1.2rem;background:rgba(59,130,246,0.12);border:1px solid rgba(59,130,246,0.2);border-radius:9999px;color:#93c5fd;font-size:0.8rem;font-weight:600;margin-bottom:2rem}.blog-hero-section h1{color:#fff;font-size:clamp(2.5rem,5vw,4rem);font-weight:900;letter-spacing:-0.04em;margin-bottom:1rem}.blog-hero-gradient{background:linear-gradient(135deg,#60a5fa,#93c5fd,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.blog-hero-section p{color:#94a3b8;font-size:1.1rem;line-height:1.7;max-width:520px;margin:0 auto}.blog-posts-section{padding:4rem 0 5rem;background:#f8fafc}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.blog-card{background:#fff;border-radius:20px;overflow:hidden;border:1px solid #e2e8f0;text-decoration:none;display:block;transition:all 0.35s cubic-bezier(0.4,0,0.2,1);box-shadow:0 2px 8px rgba(0,0,0,0.04)}.blog-card:hover{transform:translateY(-6px);box-shadow:0 12px 48px rgba(0,0,0,0.1);border-color:#93c5fd}.blog-card-img{aspect-ratio:16/9;overflow:hidden;background:#f1f5f9}.blog-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s cubic-bezier(0.4,0,0.2,1)}.blog-card:hover .blog-card-img img{transform:scale(1.05)}.blog-card-body{padding:1.5rem}.blog-card-tags{display:flex;flex-wrap:wrap;gap:0.4rem;margin-bottom:0.75rem}.blog-card-tag{padding:0.2rem 0.6rem;background:#eef2ff;color:#6366f1;border-radius:9999px;font-size:0.65rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;border:1px solid rgba(99,102,241,0.1)}.blog-card h2{color:#0f172a;font-size:1.05rem;font-weight:700;letter-spacing:-0.02em;margin-bottom:0.5rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.blog-card:hover h2{color:#4f46e5}.blog-card p{font-size:0.85rem;color:#64748b;margin:0 0 1rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.blog-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:0.75rem;border-top:1px solid #f1f5f9}.blog-card-date{display:flex;align-items:center;gap:0.4rem;font-size:0.75rem;color:#94a3b8;font-weight:500}.blog-card-read{display:inline-flex;align-items:center;gap:0.3rem;font-size:0.8rem;font-weight:600;color:#4f46e5;transition:gap 0.2s}.blog-card:hover .blog-card-read{gap:0.6rem}.blog-empty{text-align:center;padding:4rem 2rem;background:#fff;border-radius:20px;border:1px solid #e2e8f0}.blog-empty-icon{width:56px;height:56px;background:#f1f5f9;border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:#cbd5e1}.blog-empty-title{font-size:1.1rem;font-weight:700;color:#1e293b;margin-bottom:0.3rem}.blog-empty-desc{font-size:0.85rem;color:#94a3b8;margin:0}.blog-cta-section{position:relative;background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);padding:4rem 0;overflow:hidden}.blog-cta-glow-1{position:absolute;width:350px;height:350px;background:rgba(59,130,246,0.1);border-radius:50%;filter:blur(80px);top:-80px;right:-60px}.blog-cta-glow-2{position:absolute;width:300px;height:300px;background:rgba(139,92,246,0.08);border-radius:50%;filter:blur(80px);bottom:-60px;left:-40px}.blog-cta-inner{position:relative;z-index:1;text-align:center;max-width:500px;margin:0 auto}.blog-cta-inner h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;margin-bottom:0.75rem}.blog-cta-inner p{color:#94a3b8;font-size:1rem;margin-bottom:1.5rem}.blog-cta-btn{display:inline-flex;align-items:center;gap:0.6rem;padding:0.85rem 2rem;background:#4f46e5;color:#fff;border-radius:14px;font-weight:700;font-size:0.95rem;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);box-shadow:0 6px 24px rgba(79,70,229,0.3);min-height:48px}.blog-cta-btn:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(79,70,229,0.4);color:#fff}.footer{background:linear-gradient(180deg,#0c0c1d 0%,#06060f 100%);padding:4.5rem 0 1.5rem;color:var(--text-secondary);position:relative}.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,#6366f1,#ec4899,#06b6d4,#10b981,transparent)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}.footer-brand .logo{font-size:1.5rem;margin-bottom:1rem;display:flex;align-items:center;gap:0.4rem;color:#fff}.footer-brand .logo span{color:#fff;-webkit-text-fill-color:#fff}.footer-brand p{font-size:0.875rem;color:rgba(255,255,255,0.45);line-height:1.7;max-width:280px}.footer-column h4{color:rgba(255,255,255,0.9);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.12em;font-weight:700;margin-bottom:1.25rem}.footer-column li{margin-bottom:0.6rem}.footer-column a{color:rgba(255,255,255,0.4);font-size:0.875rem;transition:all 0.25s var(--ease);display:inline-block}.footer-column a:hover{color:#fff;transform:translateX(4px)}.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;font-size:0.8rem;color:rgba(255,255,255,0.35)}.footer-bottom a{color:rgba(255,255,255,0.35)}.footer-bottom a:hover{color:#fff}.page-header{background:var(--gradient-hero);padding:3.5rem 0;border-bottom:1px solid var(--border-light);position:relative;overflow:hidden}.page-header::before{content:'';position:absolute;top:-80px;right:-80px;width:300px;height:300px;background:radial-gradient(circle,rgba(99,102,241,0.05) 0%,transparent 70%);border-radius:50%}.page-header h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:0.5rem}.content-section{padding:3.5rem 0}.content-section h2{font-size:1.4rem;margin-bottom:1.25rem}.content-section p{margin-bottom:1rem;line-height:1.8}.content-section ul,.content-section ol{margin-bottom:1.25rem;padding-left:1.5rem}.content-section li{margin-bottom:0.5rem;color:var(--text-secondary);line-height:1.7}.error-page{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center}.error-code{font-size:10rem;font-weight:900;background:linear-gradient(135deg,#6366f1,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:1rem}.contact-form{max-width:600px;margin:0 auto}.contact-form .form-group{margin-bottom:1.25rem}.disclaimer{background:linear-gradient(135deg,#fef3c7,#fef9e7);border:1px solid #fcd34d;border-radius:var(--radius-lg);padding:1.25rem 1.5rem;margin:1.5rem 0;font-size:0.9rem;color:#92400e}.content-card{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:2rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm);transition:all 0.3s var(--ease)}.content-card:hover{box-shadow:var(--shadow-md);border-color:var(--border)}.content-card .notice{font-size:0.9rem;color:var(--text-muted);font-style:italic;margin-bottom:1rem;padding:1rem;background:var(--surface-alt);border-radius:var(--radius-md);border:1px solid var(--border-light)}.btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.6rem 1.6rem;border-radius:var(--radius-full);font-weight:600;font-size:0.9rem;transition:all 0.3s var(--ease);border:none;min-height:48px}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 15px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--primary-glow);color:#fff}.blog-tag{display:inline-block;padding:0.25rem 0.85rem;background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:var(--primary);border-radius:var(--radius-full);font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;border:1px solid rgba(99,102,241,0.1)}.blog-article{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:2.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm)}.blog-article h2{font-size:1.4rem;margin-bottom:1rem}.blog-article p{margin-bottom:1rem;line-height:1.8}.blog-cta{background:linear-gradient(135deg,#eef2ff 0%,#faf5ff 100%);border:1px solid rgba(99,102,241,0.15);border-radius:var(--radius-xl);padding:1.75rem;margin-top:2rem;text-align:center}.blog-cta a{font-weight:700;color:var(--primary);text-decoration:underline;text-underline-offset:3px}.blog-cta a:hover{color:var(--primary-dark)}.blog-category{font-size:0.85rem;color:var(--text-muted);margin-bottom:0.5rem;text-transform:uppercase;letter-spacing:0.06em;font-weight:600}.sitemap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.sitemap-group{background:#fff;border:1px solid var(--border-light);border-radius:var(--radius-xl);padding:1.75rem;box-shadow:var(--shadow-sm);transition:all 0.3s var(--ease)}.sitemap-group:hover{box-shadow:var(--shadow-md)}.sitemap-group h3{font-size:1rem;margin-bottom:1rem;padding-bottom:0.75rem;border-bottom:2px solid var(--border-light)}.sitemap-group li{margin-bottom:0.5rem}.sitemap-group a{color:var(--text-secondary);font-size:0.9rem;transition:all 0.25s var(--ease);display:inline-block;padding:0.15rem 0;border-radius:var(--radius-xs)}.sitemap-group a:hover{color:var(--primary);transform:translateX(4px);background:var(--primary-bg);padding-left:0.5rem}@keyframes heroPulse{0%,100%{transform:scale(1);opacity:0.6}50%{transform:scale(1.2);opacity:0.25}}@keyframes pulseRing{0%,100%{transform:scale(1);opacity:0.6}50%{transform:scale(1.15);opacity:0.25}}@keyframes slideIn{from{opacity:0;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}@keyframes slide-up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{from{opacity:0}to{opacity:1}}@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}@media(max-width:1024px){ .calc-grid{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.hero .container{grid-template-columns:1fr;gap:3rem}.hero-visual{display:none}.hero{padding:4rem 0 5rem}.post-layout .container{max-width:100%;grid-template-columns:1fr 200px;gap:2rem}}@media(max-width:768px){ h1{font-size:clamp(1.8rem,4vw,2.25rem)}h2{font-size:clamp(1.4rem,3vw,1.8rem)}.nav{ display:none;position:absolute;top:100%;left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);flex-direction:column;padding:0.75rem 1rem 1rem;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);border-radius:0 0 var(--radius-lg) var(--radius-lg);z-index:99;max-height:70vh;overflow-y:auto;animation:menuSlideDown 0.25s var(--ease) both;}@keyframes menuSlideDown{ from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.nav.active{display:flex}.nav a{ width:100%;padding:0.85rem 1rem;border-radius:var(--radius-sm);min-height:48px;display:flex;align-items:center;font-size:1rem;}.mobile-menu-btn{display:block;min-width:48px;min-height:48px;display:flex;align-items:center;justify-content:center}body.menu-open{overflow:hidden}.hero{padding:3rem 0 4rem}.hero .container{gap:2rem}.hero-content{text-align:center}.hero-desc{margin-left:auto;margin-right:auto}.hero-cta{margin:0 auto}.hero-stats{justify-content:center;gap:1.5rem}.hero-stat::after{display:none}.hero-badge{margin-left:auto;margin-right:auto}.calc-container{grid-template-columns:1fr;gap:1.5rem}.calc-form,.calc-results{padding:1.5rem}.result-card,.result-item{flex-direction:column;align-items:flex-start;gap:0.5rem}.cd-table,.result-table table,.schedule-table table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}.footer-bottom{flex-direction:column;gap:1rem;text-align:center}.calc-grid{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.blog-grid{grid-template-columns:repeat(2,1fr)}.section{padding:3.5rem 0}.post-layout .container{grid-template-columns:1fr;gap:2rem;max-width:100%}.post-sidebar{position:static;order:-1}.toc-card{display:block}.toc-card nav{flex-direction:row;flex-wrap:wrap;gap:0.3rem}.toc-link{border-left:none;border-bottom:2px solid transparent;padding:0.4rem 0.75rem;font-size:0.8rem;min-height:36px;display:inline-flex;align-items:center}.toc-link.active{border-left-color:transparent;border-bottom-color:var(--primary)}.post-hero h1{font-size:clamp(1.4rem,3.5vw,1.8rem)}.post-meta{flex-direction:column;align-items:flex-start}.post-content{padding:1.5rem}.post-content h2{font-size:1.15rem}.step{padding:0.85rem}.sidebar-cta{margin-top:1rem}.blog-hero-section{padding:3rem 0 3.5rem}.blog-hero-section h1{font-size:clamp(1.8rem,4vw,2.8rem)}.page-header{padding:2.5rem 0}.content-section{padding:3rem 0}.post-callout{flex-direction:column;gap:0.5rem}.related-links{gap:0.5rem}.related-link{padding:0.5rem 1rem;font-size:0.8rem;min-height:40px;display:inline-flex;align-items:center}.faq-question{padding:1rem 1.25rem;font-size:0.95rem;min-height:48px}.faq-item.active .faq-answer{padding:0 1.25rem 1.25rem}}@media(max-width:480px){ h1{font-size:clamp(1.5rem,5vw,1.85rem)}h2{font-size:clamp(1.2rem,4vw,1.5rem)}h3{font-size:1rem}.container{padding:0 1rem}.hero{padding:2.5rem 0 3rem}.hero h1{font-size:clamp(1.5rem,6vw,2rem)}.hero-badge{font-size:0.65rem;padding:0.35rem 0.9rem}.hero-desc{font-size:1rem}.hero-cta{padding:0.85rem 1.75rem;font-size:0.95rem;width:100%;justify-content:center}.hero-stats{gap:1rem;flex-wrap:wrap;justify-content:center}.hero-stat-num{font-size:1.5rem}.hero-stat-label{font-size:0.68rem}.calc-container{gap:1.25rem}.calc-form,.calc-results{padding:1.25rem;border-radius:var(--radius-lg)}.calc-form h2,.calc-results h2{font-size:1.1rem}.form-group label{font-size:0.82rem}.form-group input,.form-group select{padding:0.8rem 1rem;font-size:1rem;min-height:48px}.calc-btn{padding:0.9rem;font-size:0.95rem;min-height:48px}.calc-btn-reset{min-height:48px}.result-label{font-size:0.72rem}.result-value{font-size:1.2rem}.result-value.highlight{font-size:1.5rem}.calc-grid{grid-template-columns:1fr;gap:1rem}.calc-card{padding:1.25rem}.calc-card-icon{width:48px;height:48px;font-size:1.3rem}.features-grid{grid-template-columns:1fr;gap:1rem}.feature-card{padding:1.5rem 1.25rem}.feature-icon{width:56px;height:56px;font-size:1.4rem}.blog-grid{grid-template-columns:1fr;gap:1.25rem}.blog-card-body{padding:1.25rem}.blog-card h2{font-size:1rem}.footer{padding:3rem 0 1.25rem}.footer-grid{grid-template-columns:1fr;gap:1.75rem}.footer-brand p{max-width:100%}.footer-bottom{font-size:0.75rem}.section{padding:2.5rem 0}.section-header{margin-bottom:2rem}.page-header{padding:2rem 0}.content-section{padding:2.5rem 0}.content-card{padding:1.25rem}.content-section h2{font-size:1.2rem}.breadcrumb{font-size:0.78rem}.post-content{padding:1.25rem}.post-content h2{font-size:1.05rem}.post-content p{font-size:0.88rem}.post-content li{font-size:0.88rem}.post-featured{padding:1rem 1rem 0}.post-featured img{border-radius:12px}.blog-hero-section{padding:2.5rem 0 3rem}.blog-hero-section h1{font-size:clamp(1.6rem,5vw,2.2rem)}.blog-hero-badge{font-size:0.72rem}.blog-cta-section{padding:3rem 0}.blog-cta-btn{padding:0.75rem 1.5rem;font-size:0.9rem;width:100%;justify-content:center}.tbl th,.tbl td{font-size:0.78rem;padding:0.5rem 0.65rem}.step-num{width:28px;height:28px;font-size:0.72rem}.step strong{font-size:0.85rem}.step p{font-size:0.8rem}.post-faq summary{font-size:0.85rem;padding:0.75rem 1rem;min-height:44px;display:flex;align-items:center}.post-faq details p{font-size:0.82rem}.post-cta{padding:1.25rem}.post-cta h3{font-size:1rem}.post-cta p{font-size:0.82rem}.btn{min-height:48px;padding:0.65rem 1.4rem;font-size:0.88rem}.contact-form .form-group input,.contact-form .form-group select,.contact-form .form-group textarea{min-height:48px}.sitemap-grid{grid-template-columns:1fr}.error-code{font-size:6rem}.disclaimer{padding:1rem;font-size:0.85rem}.related-tools{padding:2rem 0}.related-tools h3{font-size:0.95rem}.related-links{flex-direction:column;gap:0.5rem}.related-link{width:100%;justify-content:center;min-height:44px}.calc-hero{padding:2rem 0}.calc-hero h1{font-size:clamp(1.4rem,4vw,1.8rem)}.calc-hero p{font-size:0.95rem}}.post-hero{background:var(--gradient-hero);padding:3rem 0 2rem;border-bottom:1px solid var(--border-light);position:relative;overflow:hidden}.post-hero::before{content:'';position:absolute;top:-80px;right:-80px;width:300px;height:300px;background:radial-gradient(circle,rgba(99,102,241,0.05) 0%,transparent 70%);border-radius:50%}.post-hero .breadcrumb{font-size:0.82rem;color:var(--text-muted);margin-bottom:1rem}.post-hero .breadcrumb a{color:var(--text-muted)}.post-hero .breadcrumb a:hover{color:var(--primary)}.post-hero .breadcrumb-sep{color:var(--border);margin:0 0.3rem}.post-tag{display:inline-block;padding:0.25rem 0.85rem;background:linear-gradient(135deg,#eef2ff,#f5f3ff);color:var(--primary);border-radius:9999px;font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;border:1px solid rgba(99,102,241,0.1);margin-bottom:1rem}.post-hero h1{font-size:clamp(1.6rem,3.5vw,2.3rem);margin-bottom:0.75rem;letter-spacing:-0.03em}.post-meta{display:flex;align-items:center;gap:1rem}.post-author{display:flex;align-items:center;gap:0.6rem}.post-avatar{width:34px;height:34px;background:var(--gradient-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:0.78rem;flex-shrink:0}.post-author strong{font-size:0.85rem;color:var(--text-heading)}.post-author span{font-size:0.78rem;color:var(--text-muted);display:block}.post-featured{max-width:760px;margin:0 auto;padding:1.5rem 1.5rem 0}.post-featured img{width:100%;height:auto;border-radius:16px;box-shadow:0 4px 24px rgba(0,0,0,0.08);border:1px solid var(--border-light)}.post-layout{padding:2rem 0 4rem;background:var(--surface-alt)}.post-layout .container{display:grid;grid-template-columns:1fr 240px;gap:2.5rem;align-items:start;max-width:1000px}.post-content{background:#fff;border:1px solid var(--border-light);border-radius:20px;padding:2.5rem;box-shadow:var(--shadow-sm)}.post-content h2{font-size:1.3rem;margin-top:2rem;margin-bottom:0.75rem;color:var(--text-heading);padding-bottom:0.5rem;border-bottom:2px solid var(--border-light);letter-spacing:-0.02em}.post-content h2:first-of-type{margin-top:0;border-bottom:none;padding-bottom:0}.post-content h3{font-size:1.05rem;margin-top:1.5rem;margin-bottom:0.6rem;color:var(--text-heading);font-weight:700}.post-content p{font-size:0.92rem;line-height:1.75;margin-bottom:1rem;color:var(--text-body)}.post-content strong{color:var(--text-heading);font-weight:700}.post-content a{color:var(--primary);font-weight:600;text-decoration:underline;text-decoration-color:rgba(99,102,241,0.25);text-underline-offset:3px;transition:text-decoration-color 0.2s}.post-content a:hover{text-decoration-color:var(--primary)}.post-content ul,.post-content ol{margin:0.75rem 0 1.25rem;padding-left:1.5rem}.post-content li{margin-bottom:0.4rem;color:var(--text-body);line-height:1.7;font-size:0.92rem}.post-content ul li{list-style:disc}.post-content ol li{list-style:decimal}.post-img{width:100%;height:auto;border-radius:12px;margin:1.25rem 0;border:1px solid var(--border-light);box-shadow:var(--shadow-xs)}.tbl{overflow-x:auto;margin:1rem 0;border-radius:12px;border:1px solid var(--border);-webkit-overflow-scrolling:touch}.tbl table{width:100%;border-collapse:collapse}.tbl th,.tbl td{padding:0.6rem 0.9rem;text-align:left;border-bottom:1px solid var(--border-light);font-size:0.85rem}.tbl th{background:linear-gradient(135deg,#f8fafc,#fff);font-weight:700;font-size:0.68rem;text-transform:uppercase;letter-spacing:0.07em;color:var(--text-muted);border-bottom:2px solid var(--border);white-space:nowrap}.tbl tr:last-child td{border-bottom:none}.tbl tr:hover td{background:rgba(99,102,241,0.02)}.tbl td strong{color:var(--text-heading);font-weight:600}.post-callout{display:flex;gap:0.75rem;padding:0.9rem 1.1rem;border-radius:12px;margin:1.25rem 0;font-size:0.85rem;line-height:1.6;border:1px solid}.post-callout.tip{background:linear-gradient(135deg,#ecfdf5,#d1fae5);border-color:rgba(16,185,129,0.2);color:#065f46}.post-callout.warning{background:linear-gradient(135deg,#fffbeb,#fef3c7);border-color:rgba(245,158,11,0.2);color:#92400e}.post-callout a{color:inherit;font-weight:700;text-decoration:underline;text-underline-offset:2px}.callout-icn{font-size:1rem;flex-shrink:0}.post-steps{margin:1rem 0}.step{display:flex;gap:0.9rem;margin-bottom:0.75rem;padding:0.9rem 1.1rem;background:#fff;border:1px solid var(--border-light);border-radius:12px;box-shadow:var(--shadow-xs);transition:all 0.25s var(--ease)}.step:hover{box-shadow:var(--shadow-sm);border-color:rgba(99,102,241,0.15)}.step-num{width:30px;height:30px;background:var(--gradient-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:0.78rem;flex-shrink:0}.step strong{font-size:0.88rem;color:var(--text-heading);display:block;margin-bottom:0.2rem}.step p{margin:0;font-size:0.82rem;color:var(--text-secondary);line-height:1.6}.post-cta{background:linear-gradient(135deg,#eef2ff 0%,#faf5ff 100%);border:1px solid rgba(99,102,241,0.12);border-radius:16px;padding:1.5rem;margin:1.5rem 0;text-align:center;position:relative;overflow:hidden}.post-cta::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary)}.post-cta h3{margin-bottom:0.5rem;font-size:1.1rem;color:var(--text-heading)}.post-cta p{margin-bottom:0.75rem;color:var(--text-body);font-size:0.88rem}.post-cta .btn{padding:0.6rem 1.5rem;font-size:0.85rem}.post-faq details{background:#fff;border:1px solid var(--border-light);border-radius:12px;margin-bottom:0.5rem;overflow:hidden;transition:all 0.3s var(--ease)}.post-faq details[open]{border-color:rgba(99,102,241,0.2);box-shadow:0 2px 12px rgba(99,102,241,0.06)}.post-faq summary{padding:0.85rem 1.1rem;font-weight:600;font-size:0.88rem;color:var(--text-heading);cursor:pointer;list-style:none;display:flex;align-items:center;gap:0.5rem;transition:color 0.2s;min-height:44px}.post-faq summary::-webkit-details-marker{display:none}.post-faq summary::before{content:'+';font-size:1rem;font-weight:300;color:var(--text-muted);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--surface-alt);flex-shrink:0;transition:all 0.3s var(--ease)}.post-faq details[open] summary::before{content:'−';color:#fff;background:var(--gradient-primary)}.post-faq summary:hover{color:var(--primary)}.post-faq details p{padding:0 1.1rem 1rem;font-size:0.85rem;color:var(--text-secondary);line-height:1.7;margin:0}.post-sources{margin:0.75rem 0 1.25rem;padding-left:1.25rem}.post-sources li{margin-bottom:0.35rem;font-size:0.85rem;color:var(--text-secondary);line-height:1.6;list-style:disc}.post-sources a{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:2px}.post-sidebar{position:sticky;top:90px;height:fit-content}.toc-card{background:#fff;border:1px solid var(--border-light);border-radius:16px;padding:1.25rem;box-shadow:var(--shadow-sm);border-top:3px solid var(--primary);margin-bottom:1rem}.toc-card h4{font-size:0.65rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--text-muted);margin-bottom:0.75rem;font-weight:800}.toc-card nav{display:flex;flex-direction:column;gap:0.1rem}.toc-link{display:block;padding:0.4rem 0.7rem;font-size:0.78rem;color:var(--text-secondary);border-radius:8px;transition:all 0.2s var(--ease);border-left:2px solid transparent;font-weight:500;text-decoration:none;line-height:1.4}.toc-link:hover{color:var(--primary);background:var(--primary-bg);border-left-color:var(--primary)}.toc-link.active{color:var(--primary);background:var(--primary-bg);border-left-color:var(--primary);font-weight:600}.sidebar-cta{background:linear-gradient(135deg,#eef2ff 0%,#faf5ff 100%);border:1px solid rgba(99,102,241,0.12);border-radius:16px;padding:1.25rem;text-align:center}.sidebar-cta h4{font-size:0.88rem;font-weight:700;color:var(--text-heading);margin-bottom:0.4rem}.sidebar-cta p{font-size:0.8rem;color:var(--text-muted);margin-bottom:0.75rem}.sidebar-cta .btn{padding:0.5rem 1.2rem;font-size:0.8rem;width:100%}@media print{.header,.footer,.mobile-menu-btn,.calc-btn{display:none}body{font-size:12pt;color:#000}a{color:#000;text-decoration:underline}}