:root{--process:#3B82F6;--protect:#EF4444;--protect-bg:rgba(239,68,68,0.1);--recon:#10B981;--comply:#8B5CF6;}
.fade-in.delay-4{transition-delay:.4s}
.btn-ghost:hover{border-color:var(--protect);color:var(--protect);transform:translateY(-1px)}
.btn-protect{background:var(--protect);color:#fff}
.btn-protect:hover{background:#DC2626;transform:translateY(-1px)}
.theme-toggle:hover{color:var(--text-1)}
.pillar-hero{padding:calc(var(--nav-h) + 64px) 0 64px;position:relative;overflow:hidden}
.pillar-hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% -20%,rgba(239,68,68,0.15) 0%,transparent 70%)}
.pillar-hero-inner{position:relative;z-index:1}
.pillar-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);border-radius:100px;padding:6px 16px;font-size:13px;font-weight:700;color:var(--protect);letter-spacing:.06em;text-transform:uppercase;margin-bottom:24px}
.pillar-tag-dot{width:6px;height:6px;background:var(--protect);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.pillar-hero-title{font-size:clamp(36px,5vw,64px);font-weight:800;line-height:1.1;letter-spacing:-1.5px;margin-bottom:20px}
.pillar-hero-title .h-accent{color:var(--protect)}
.pillar-hero-sub{font-size:clamp(16px,2vw,20px);color:var(--text-2);line-height:1.7;max-width:640px;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:16px}
.breadcrumb a{color:var(--text-3);transition:color var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--protect);font-weight:600}
.section-label.red{color:var(--protect)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all var(--transition)}
.feature-card:hover{border-color:rgba(239,68,68,.4);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.2)}
.feature-icon{width:44px;height:44px;border-radius:10px;background:rgba(239,68,68,.1);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--protect)}
.feature-icon svg{width:22px;height:22px}
.feature-title{font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.feature-desc{font-size:14px;color:var(--text-3);line-height:1.65}
.fraud-detail{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.fraud-explain{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px}
.fraud-explain h3{font-size:22px;font-weight:700;color:var(--text-1);margin-bottom:16px}
.fraud-explain p{font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:16px}
.fraud-explain .formula{font-family:var(--font-mono);font-size:13px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:16px;color:#10B981;line-height:1.8;overflow-x:auto}
.flags-list{display:flex;flex-direction:column;gap:12px}
.flag-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;gap:14px;align-items:flex-start;transition:border-color var(--transition)}
.flag-item:hover{border-color:rgba(239,68,68,.3)}
.flag-num{width:30px;height:30px;border-radius:6px;background:rgba(239,68,68,.15);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--protect);flex-shrink:0}
.flag-body .flag-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:3px}
.flag-body .flag-desc{font-size:13px;color:var(--text-3);line-height:1.5}
.mc-flow{display:flex;align-items:center;gap:0;overflow-x:auto;padding:8px 0}
.mc-step{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:120px}
.mc-step-circle{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;text-align:center;line-height:1.2;flex-shrink:0}
.mc-step-label{font-size:12px;color:var(--text-3);text-align:center;font-weight:500;max-width:100px}
.mc-arrow{color:var(--text-3);font-size:18px;margin:0 4px;flex-shrink:0;padding-bottom:24px}
.mc-step-0 .mc-step-circle{background:rgba(245,158,11,.15);border:2px solid rgba(245,158,11,.4);color:#F59E0B}
.mc-step-1 .mc-step-circle{background:rgba(59,130,246,.15);border:2px solid rgba(59,130,246,.4);color:var(--process)}
.mc-step-2 .mc-step-circle{background:rgba(139,92,246,.15);border:2px solid rgba(139,92,246,.4);color:var(--comply)}
.mc-step-3 .mc-step-circle{background:rgba(16,185,129,.15);border:2px solid rgba(16,185,129,.4);color:var(--recon)}
.mc-step-4 .mc-step-circle{background:rgba(239,68,68,.15);border:2px solid rgba(239,68,68,.4);color:var(--protect)}
.arch-terminal{background:#080D1A;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;font-family:var(--font-mono)}
.arch-terminal-bar{background:var(--surface-2);padding:12px 16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border)}
.terminal-dot{width:10px;height:10px;border-radius:50%}
.terminal-dot.red{background:#FF5F57}
.terminal-dot.amber{background:#FFBD2E}
.terminal-dot.green{background:#28CA41}
.terminal-title{font-size:12px;color:var(--text-3);margin-left:8px}
.arch-terminal-body{padding:28px;font-size:13px;line-height:1.8;overflow-x:auto}
.t-comment{color:#4B5563}
.t-red{color:var(--protect)}
.t-accent{color:var(--accent);font-weight:600}
.t-dim{color:#6B7280}
.t-new{color:#F8F9FA;font-weight:500}
.t-arrow{color:var(--accent)}
.cta-strip{background:linear-gradient(135deg,rgba(239,68,68,.08),rgba(0,212,170,.06));border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-lg);padding:48px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-strip-title{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--text-1);margin-bottom:8px}
.cta-strip-sub{font-size:15px;color:var(--text-2)}
.pillar-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:64px}
.pillar-nav a{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;border:1px solid var(--border);color:var(--text-2);transition:all var(--transition)}
.pillar-nav a.protect-nav{border-color:rgba(239,68,68,.4);background:rgba(239,68,68,.1);color:var(--protect)}
.pillar-nav a:hover{border-color:var(--border-hover);color:var(--text-1)}
@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}.fraud-detail{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.nav-links,.nav-actions .btn{display:none}.hamburger{display:flex}.features-grid{grid-template-columns:1fr}.mc-flow{flex-direction:column}.mc-arrow{transform:rotate(90deg)}.footer-grid{grid-template-columns:1fr;gap:32px}.cta-strip{flex-direction:column}.pillar-nav{flex-direction:column}}