@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css";@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--color-ink:#0f1419;--color-ink-light:#536471;--color-ink-muted:#8899a6;--color-bg:#fff;--color-bg-elevated:#f7f9fa;--color-bg-hover:#f0f3f5;--color-border:#e1e8ed;--color-border-light:#eef1f3;--color-accent:#1d4ed8;--color-accent-light:#dbeafe;--color-danger:#dc2626;--color-danger-light:#fee2e2;--color-success:#059669;--color-success-light:#d1fae5;--font-display:"Plus Jakarta Sans", "Pretendard", sans-serif;--font-body:"Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;--max-width:1200px;--nav-height:64px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--color-ink);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.7}::selection{background:var(--color-accent);color:#fff}nav{z-index:100;-webkit-backdrop-filter:blur(20px)saturate(180%);background:#ffffffd9;border-bottom:1px solid #0000;transition:box-shadow .4s,border-color .4s;position:fixed;top:0;left:0;right:0}nav.scrolled{border-bottom-color:var(--color-border-light);box-shadow:0 1px 3px #0000000a}.nav-inner{max-width:var(--max-width);height:var(--nav-height);justify-content:space-between;align-items:center;margin:0 auto;padding:0 40px;display:flex}.nav-logo{font-family:var(--font-display);color:var(--color-ink);letter-spacing:-.3px;font-size:17px;font-weight:800;text-decoration:none;transition:opacity .2s}.nav-logo:hover{opacity:.7}.nav-links{gap:8px;display:flex}.nav-links a{font-family:var(--font-display);color:var(--color-ink-muted);cursor:pointer;border-radius:8px;padding:6px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s}.nav-links a:hover{color:var(--color-ink);background:var(--color-bg-hover)}.nav-links a.active{color:var(--color-ink);background:var(--color-bg-elevated);font-weight:600}.nav-dropdown{position:relative}.nav-dropdown-menu{z-index:200;padding-top:10px;position:absolute;top:calc(100% - 4px);left:50%;transform:translate(-50%)}.nav-dropdown-menu-inner{border:1px solid var(--color-border);background:#fff;border-radius:10px;min-width:180px;padding:6px;box-shadow:0 4px 16px #00000014}.nav-dropdown-item{font-family:var(--font-display);color:var(--color-ink-muted);white-space:nowrap;border-radius:6px;padding:8px 14px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s;display:block}.nav-dropdown-item:hover{color:var(--color-ink);background:var(--color-bg-hover)}.container{max-width:var(--max-width);margin:0 auto;padding:0 40px}section{padding:80px 0 60px}.fade-up{opacity:0;transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transform:translateY(20px)}.fade-up.visible{opacity:1;transform:translateY(0)}.fade-up.visible .fade-child:first-child{transition-delay:0s}.fade-up.visible .fade-child:nth-child(2){transition-delay:80ms}.fade-up.visible .fade-child:nth-child(3){transition-delay:.16s}.fade-up.visible .fade-child:nth-child(4){transition-delay:.24s}#home{min-height:100vh;padding-top:var(--nav-height);align-items:center;display:flex;position:relative}#home:before{content:"";pointer-events:none;background:radial-gradient(80% 50% at 50% -20%,#1d4ed80a,#0000),radial-gradient(60% 40% at 80% 100%,#05966908,#0000);position:absolute;inset:0}.hero{width:100%;position:relative}.hero-greeting{font-family:var(--font-display);color:var(--color-accent);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:20px;font-size:14px;font-weight:600}.hero h1{font-family:var(--font-display);letter-spacing:-2px;color:var(--color-ink);margin-bottom:32px;font-size:clamp(40px,5.5vw,56px);font-weight:800;line-height:1.25}.hero h1 .subtle{color:var(--color-border);font-weight:800}.hero-desc{color:var(--color-ink-light);max-width:520px;margin-bottom:44px;font-size:18px;line-height:1.8}.hero-meta{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.hero-meta span{color:var(--color-ink-muted);font-size:14px}.hero-meta a{color:var(--color-ink-light);border-bottom:1px solid var(--color-border);padding:4px 0;font-size:14px;text-decoration:none;transition:all .2s}.hero-meta a:hover{color:var(--color-accent);border-color:var(--color-accent)}.section-label{font-family:var(--font-display);color:var(--color-accent);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px;font-size:13px;font-weight:700}.section-title{font-family:var(--font-display);letter-spacing:-1px;color:var(--color-ink);margin-bottom:40px;font-size:32px;font-weight:800}.project-cards{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;display:grid}.project-card{border:1px solid var(--color-border-light);color:inherit;cursor:pointer;background:var(--color-bg);border-radius:16px;text-decoration:none;transition:all .35s cubic-bezier(.16,1,.3,1);display:block;overflow:hidden}.project-card:hover{border-color:var(--color-border);transform:translateY(-6px);box-shadow:0 20px 40px #0000000f,0 1px 3px #0000000a}.project-card .card-thumb{background:var(--color-bg-elevated);width:100%;height:180px;color:var(--color-ink-muted);justify-content:center;align-items:center;font-size:13px;display:flex;overflow:hidden}.project-card .card-thumb img{object-fit:cover;width:100%;height:100%;transition:transform .5s cubic-bezier(.16,1,.3,1)}.project-card:hover .card-thumb img{transform:scale(1.04)}.project-card .card-body{padding:20px 24px 24px}.project-card .card-body h3{font-family:var(--font-display);letter-spacing:-.3px;margin-bottom:6px;font-size:17px;font-weight:700}.project-card .card-body p{color:var(--color-ink-light);margin-bottom:14px;font-size:14px;line-height:1.6}.card-tags{flex-wrap:wrap;gap:6px;display:flex}.card-tag{font-family:var(--font-display);color:var(--color-ink-muted);background:var(--color-bg-elevated);letter-spacing:.2px;border-radius:6px;padding:3px 10px;font-size:11px;font-weight:600}.case-study{border-top:none}.case-hero{padding:32px 0 40px}.case-hero .case-label{font-family:var(--font-display);color:var(--color-accent);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;font-size:13px;font-weight:700}.case-hero h2{font-family:var(--font-display);letter-spacing:-1px;color:var(--color-ink);margin-bottom:16px;font-size:clamp(28px,4vw,36px);font-weight:800;line-height:1.25}.case-hero .case-summary{color:var(--color-ink-light);max-width:640px;margin-bottom:28px;font-size:17px;line-height:1.75}.case-meta{background:var(--color-bg-elevated);border:1px solid var(--color-border-light);border-radius:12px;flex-wrap:wrap;gap:32px;padding:20px 24px;display:flex}.case-meta-item{flex-direction:column;gap:4px;display:flex}.case-meta-item .meta-label{font-family:var(--font-display);color:var(--color-ink-muted);text-transform:uppercase;letter-spacing:1px;font-size:11px;font-weight:700}.case-meta-item .meta-value{color:var(--color-ink);font-size:14px;font-weight:500}.case-meta-item .meta-value a{color:var(--color-accent);text-decoration:none;transition:opacity .2s}.case-meta-item .meta-value a:hover{opacity:.7}.story-section{border-top:1px solid var(--color-border-light);padding:40px 0}.story-label{font-family:var(--font-display);color:var(--color-ink-muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:10px;font-size:12px;font-weight:700;display:inline-block}.story-label.challenge{color:var(--color-danger);background:var(--color-danger-light);border-radius:4px;padding:3px 10px}.story-label.decision{color:var(--color-accent);background:var(--color-accent-light);border-radius:4px;padding:3px 10px}.story-label.motivation{color:#d97706;background:#fef3c7;border-radius:4px;padding:3px 10px}.story-label.result{color:var(--color-success);background:var(--color-success-light);border-radius:4px;padding:3px 10px}.story-title{font-family:var(--font-display);letter-spacing:-.6px;color:var(--color-ink);margin-bottom:16px;font-size:24px;font-weight:800;line-height:1.35}.story-body{color:var(--color-ink-light);font-size:16px;line-height:1.85}.story-body p{margin-bottom:14px}.story-body p:last-child{margin-bottom:0}.story-body code{background:var(--color-bg-elevated);color:var(--color-accent);border:1px solid var(--color-border-light);border-radius:5px;padding:2px 8px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:14px}.reflection-item{margin-bottom:24px}.reflection-item p{margin:0}.reflection-label{font-family:var(--font-display);color:var(--color-ink);margin-bottom:10px;font-size:15px;font-weight:800;display:block}.reflection-conclusion{border-top:1px solid var(--color-border-light);margin-top:32px;padding-top:28px}.reflection-conclusion p{margin:0}.hl{background:linear-gradient(transparent 55%, var(--color-accent-light) 55%);color:var(--color-ink);padding:0 2px;font-weight:600}.hl-red{background:linear-gradient(transparent 55%, var(--color-danger-light) 55%);color:var(--color-ink);padding:0 2px;font-weight:600}.hl-green{background:linear-gradient(transparent 55%, var(--color-success-light) 55%);color:var(--color-ink);padding:0 2px;font-weight:600}.metrics{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:24px 0;display:grid}.metric-card{background:var(--color-bg-elevated);border:1px solid var(--color-border-light);border-radius:12px;padding:24px;transition:border-color .2s}.metric-card:hover{border-color:var(--color-border)}.metric-card .metric-value{font-family:var(--font-display);letter-spacing:-1.5px;margin-bottom:6px;font-size:32px;font-weight:800}.metric-card .metric-value.red{color:var(--color-danger)}.metric-card .metric-value.green{color:var(--color-success)}.metric-card .metric-value.blue{color:var(--color-accent)}.metric-card .metric-desc{color:var(--color-ink-muted);font-size:13px;line-height:1.5}.metrics-enhanced{flex-direction:column;gap:16px;margin:28px 0;display:flex}.metric-card-enhanced{background:#fff;border:1.5px solid #e5e7eb;border-radius:16px;align-items:flex-start;gap:24px;padding:28px 32px;transition:border-color .2s,box-shadow .2s;display:flex}.metric-card-enhanced:hover{box-shadow:0 4px 20px #0000000f}.metric-card-enhanced.red{border-left:4px solid #ef4444}.metric-card-enhanced.blue{border-left:4px solid #3b82f6}.metric-card-enhanced.green{border-left:4px solid #10b981}.metric-icon-area{border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:24px;display:flex}.metric-icon-area.red{background:#fef2f2}.metric-icon-area.blue{background:#eff6ff}.metric-icon-area.green{background:#f0fdf4}.metric-content{flex:1;min-width:0}.metric-value-enhanced{font-family:var(--font-display);letter-spacing:-1.5px;margin-bottom:4px;font-size:36px;font-weight:900;line-height:1.1}.metric-value-enhanced.red{color:#ef4444}.metric-value-enhanced.blue{color:#3b82f6}.metric-value-enhanced.green{color:#10b981}.metric-label{color:#111827;margin-bottom:2px;font-size:16px;font-weight:800}.metric-detail{color:#6b7280;margin-bottom:12px;font-size:14px;font-weight:600}.metric-before-after{flex-direction:column;gap:4px;display:flex}.metric-before-after .before,.metric-before-after .after{padding:4px 0;font-size:13px;line-height:1.5}.metric-before-after .before{color:#9ca3af}.metric-before-after .after{color:#374151;font-weight:600}@media (width<=768px){.metric-card-enhanced{flex-direction:column;gap:16px;padding:20px}.metric-value-enhanced{font-size:28px}}.case-image{border:1px solid var(--color-border-light);border-radius:12px;width:100%;margin:24px 0;transition:box-shadow .3s}.case-image:hover{box-shadow:0 8px 24px #0000000f}.img-grid{grid-template-columns:1fr 1fr;gap:12px;margin:24px 0;display:grid}.img-grid img{object-fit:cover;object-position:top left;border:1px solid var(--color-border-light);border-radius:12px;width:100%;height:280px;transition:box-shadow .3s}.img-grid img:hover{box-shadow:0 8px 24px #0000000f}.img-full{margin:24px 0}.img-full img{border:1px solid var(--color-border-light);border-radius:12px;width:100%}.img-placeholder{background:var(--color-bg-elevated);border:1.5px dashed var(--color-border);width:100%;color:var(--color-ink-muted);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:200px;margin:24px 0;font-size:14px;display:flex}.img-placeholder.short{min-height:140px}.step-flow{flex-direction:column;margin:24px 0;display:flex}.step{gap:20px;padding:20px 0;display:flex;position:relative}.step:before{content:"";background:var(--color-border-light);width:1.5px;position:absolute;top:46px;bottom:0;left:17px}.step:last-child:before{display:none}.step-num{background:var(--color-bg-elevated);border:1.5px solid var(--color-border-light);width:36px;height:36px;font-family:var(--font-display);color:var(--color-ink-muted);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;transition:all .2s;display:flex}.step-num.active{background:var(--color-ink);border-color:var(--color-ink);color:#fff;border-radius:10px}.step-content h4{font-family:var(--font-display);color:var(--color-ink);margin-bottom:6px;font-size:16px;font-weight:700}.step-content p{color:var(--color-ink-light);font-size:15px;line-height:1.7}#career{padding-top:calc(var(--nav-height) + 48px)}.career-timeline{border-left:2px solid var(--color-border-light);padding-left:32px;position:relative}.career-item{padding-bottom:48px;position:relative}.career-item:last-child{padding-bottom:0}.career-item:before{content:"";background:var(--color-border);border:2px solid var(--color-bg);width:10px;height:10px;box-shadow:0 0 0 2px var(--color-border);border-radius:50%;position:absolute;top:6px;left:-37px}.career-item.current:before{background:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent)}.career-item h3{font-family:var(--font-display);color:var(--color-ink);margin-bottom:4px;font-size:18px;font-weight:700}.career-item .career-period{color:var(--color-ink-muted);margin-bottom:8px;font-size:14px}.career-item p{color:var(--color-ink-light);font-size:15px;line-height:1.7}footer{border-top:1px solid var(--color-border-light);text-align:center;padding:48px 0}footer p{color:var(--color-ink-muted);font-size:14px;line-height:1.8}footer a{color:var(--color-ink-light);border-bottom:1px solid var(--color-border);text-decoration:none;transition:all .2s}footer a:hover{color:var(--color-accent);border-color:var(--color-accent)}.project-tabs{top:var(--nav-height);z-index:90;-webkit-backdrop-filter:blur(20px)saturate(180%);border-bottom:1px solid var(--color-border-light);background:#ffffffe6;position:sticky}.tabs-inner{justify-content:center;gap:6px;padding:14px 0;display:flex}.tab-btn{font-family:var(--font-display);color:var(--color-ink-muted);cursor:pointer;background:0 0;border:1.5px solid #0000;border-radius:10px;padding:10px 24px;font-size:15px;font-weight:500;transition:all .25s cubic-bezier(.16,1,.3,1)}.tab-btn:hover{color:var(--color-ink);background:var(--color-bg-hover)}.tab-btn.active{color:var(--color-ink);background:var(--color-bg-elevated);border-color:var(--color-border);font-weight:700;box-shadow:0 1px 3px #0000000a}.story-tabs-row{justify-content:center;gap:6px;padding:8px 0 12px;display:flex}.story-tab-btn{font-family:var(--font-body);color:var(--color-ink-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;padding:8px 18px;font-size:13px;font-weight:500;transition:all .2s}.story-tab-btn:hover{color:var(--color-ink)}.story-tab-btn.active{color:var(--color-ink);background:#fff;font-weight:600;box-shadow:0 1px 3px #00000014}@media (width<=768px){:root{--nav-height:56px}.container,.nav-inner{padding:0 20px}.nav-links{gap:4px}.nav-links a{padding:6px 10px;font-size:13px}.nav-logo{font-size:15px}.hero h1{letter-spacing:-1px;font-size:32px}.hero-desc{font-size:16px}.img-grid{grid-template-columns:1fr}.case-meta{gap:16px;padding:16px 20px}.tabs-inner{gap:4px;padding:10px 0}.tab-btn{padding:8px 14px;font-size:13px}.story-tabs-row{-webkit-overflow-scrolling:touch;overflow-x:auto}.story-tab-btn{padding:10px 16px;font-size:13px}.section-title{font-size:26px}.story-title{font-size:20px}.metric-card .metric-value{font-size:26px}.project-cards{grid-template-columns:1fr}section{padding:60px 0 40px}#career{padding-top:calc(var(--nav-height) + 32px)}}.result-table{border-collapse:collapse;width:100%;margin:24px 0 32px;font-size:15px}.result-table th{text-align:left;color:#888;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid #e5e7eb;padding:12px 20px;font-size:13px;font-weight:600}.result-table td{vertical-align:middle;border-bottom:1px solid #f0f0f0;padding:16px 20px}.result-table tbody tr:last-child td{border-bottom:none}.result-label{color:#333;white-space:nowrap;font-weight:600}.result-before{color:#ef4444;font-family:Plus Jakarta Sans,monospace;font-weight:500}.result-after{color:#2563eb;font-family:Plus Jakarta Sans,monospace;font-weight:700}.result-sub{color:#16a34a;background:#dcfce7;border-radius:4px;margin-left:8px;padding:1px 8px;font-family:Pretendard,sans-serif;font-size:12px;font-weight:600;display:inline-block}.iot-diagram{background:#fff;border-radius:16px;width:100%;margin:24px 0;padding:40px 48px 36px;box-shadow:0 2px 20px #0000000f}.iot-header{text-align:center;margin-bottom:36px}.iot-header-meta{color:#6b7280;justify-content:flex-start;gap:24px;margin-bottom:16px;font-size:12px;display:flex}.iot-header-meta span:before{content:"•";color:#d1d5db;margin-right:6px}.iot-header-title{color:#111827;margin-bottom:12px;font-size:28px;font-weight:900}.iot-header-desc{color:#6b7280;font-size:16px;line-height:1.6}.iot-flow-section{align-items:center;gap:24px;margin-bottom:24px;display:flex}.iot-entry-box{text-align:center;flex-shrink:0;width:120px}.iot-entry-icon{background:#e0f2fe;border-radius:12px;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 10px;font-size:26px;display:flex}.iot-entry-label{color:#111827;font-size:15px;font-weight:800}.iot-entry-sublabel{color:#9ca3af;font-size:12px;font-weight:500}.iot-flow-arrow-right{color:#374151;flex-shrink:0;font-size:32px;font-weight:900}.iot-flow-group{border:2px solid #e5e7eb;border-radius:16px;flex:1;min-width:0;padding:32px 40px}.iot-flow-group-title{color:#1f2937;text-align:center;margin-bottom:24px;font-size:18px;font-weight:800}.iot-api-rows{flex-direction:column;gap:12px;display:flex}.iot-api-row{flex-wrap:nowrap;justify-content:center;align-items:center;gap:16px;display:flex}.iot-api-item{flex-direction:column;flex-shrink:0;align-items:center;gap:8px;display:flex}.iot-api-chip{color:#fff;white-space:nowrap;border-radius:12px;flex-shrink:0;align-items:center;gap:10px;padding:14px 24px;font-size:16px;font-weight:800;display:flex}.iot-chip-icon{background:#ffffff40;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:15px;display:flex}.iot-api-chip.blue{background:#3b82f6}.iot-api-chip.sky{background:#0ea5e9}.iot-api-chip.indigo{background:#6366f1}.iot-api-chip.red{background:#ef4444}.iot-api-chip.orange{background:#f97316}.iot-badge{border-radius:20px;flex-shrink:0;padding:5px 14px;font-size:14px;font-weight:800}.iot-badge.normal{color:#2563eb;background:#dbeafe}.iot-badge.danger{color:#dc2626;background:#fee2e2}.iot-row-arrow{color:#6b7280;flex-shrink:0;font-size:28px;font-weight:900}.iot-row-note{color:#4b5563;text-align:center;margin:8px 0;font-size:15px;font-weight:600}.iot-danger-divider{align-items:center;gap:16px;margin:12px 0;display:flex}.iot-divider-line{background:#fca5a5;flex:1;height:2px}.iot-divider-text{color:#ef4444;white-space:nowrap;background:#fef2f2;border-radius:20px;padding:4px 16px;font-size:14px;font-weight:800}.iot-problem-bar{background:#1e293b;border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:18px 32px;display:flex}.iot-warn-icon{font-size:22px}.iot-problem-text{color:#fbbf24;font-size:18px;font-weight:800}.iot-problem-highlight{color:#f87171;font-weight:900}.iot-opt-title{color:#111827;align-items:center;gap:12px;margin-bottom:20px;font-size:18px;font-weight:800;display:flex}.iot-opt-title-line{background:#e5e7eb;flex:1;height:1px}.iot-opt-cards{gap:14px;margin-bottom:28px;display:flex}.iot-opt-card{border:1.5px solid;border-radius:14px;flex-direction:column;flex:1;padding:22px 18px 16px;display:flex;position:relative}.iot-opt-card .iot-step-badge{color:#fff;border-radius:20px;padding:3px 12px;font-size:12px;font-weight:800;position:absolute;top:-11px;left:16px}.iot-opt-card h3{margin-top:6px;margin-bottom:10px;font-size:15px;font-weight:800;line-height:1.4}.iot-opt-card p{color:#4b5563;flex:1;margin-bottom:14px;font-size:13px;line-height:1.7}.iot-opt-tag{border-radius:20px;width:fit-content;padding:4px 12px;font-size:12px;font-weight:800;display:inline-block}.iot-opt-card.c1{background:#fff5f5;border-color:#fecaca}.iot-opt-card.c1 .iot-step-badge{background:#ef4444}.iot-opt-card.c1 h3{color:#b91c1c}.iot-opt-card.c1 .iot-opt-tag{color:#dc2626;background:#fee2e2}.iot-opt-card.c2{background:#fffbeb;border-color:#fed7aa}.iot-opt-card.c2 .iot-step-badge{background:#f97316}.iot-opt-card.c2 h3{color:#c2410c}.iot-opt-card.c2 .iot-opt-tag{color:#ea580c;background:#ffedd5}.iot-opt-card.c3{background:#f0fdf4;border-color:#86efac;box-shadow:0 0 0 2px #22c55e33}.iot-opt-card.c3 .iot-step-badge{background:#16a34a;padding:3px 12px;font-size:12px}.iot-opt-card.c3 h3{color:#15803d}.iot-opt-card.c3 .iot-opt-tag{color:#16a34a;background:#dcfce7;font-size:11px;font-weight:900}.iot-opt-card.c4{background:#eff6ff;border-color:#bfdbfe}.iot-opt-card.c4 .iot-step-badge{background:#3b82f6}.iot-opt-card.c4 h3{color:#1d4ed8}.iot-opt-card.c4 .iot-opt-tag{color:#2563eb;background:#dbeafe}.iot-card-arrow{color:#9ca3af;flex-shrink:0;align-items:center;font-size:24px;font-weight:900;display:flex}.iot-result-bar{background:#1e293b;border-radius:12px;gap:0;display:flex;overflow:hidden}.iot-stat{text-align:center;flex:1;padding:20px 16px;position:relative}.iot-stat+.iot-stat:before{content:"";background:#334155;width:1px;height:60%;position:absolute;top:20%;left:0}.iot-stat-label{color:#94a3b8;margin-bottom:8px;font-size:12px;font-weight:600}.iot-stat-value{font-size:26px;font-weight:900}.iot-stat-detail{margin-top:6px;font-size:11px;font-weight:500}.iot-stat.red-stat .iot-stat-value{color:#f87171}.iot-stat.red-stat .iot-stat-detail{color:#fca5a5}.iot-stat.blue-stat .iot-stat-value{color:#60a5fa}.iot-stat.blue-stat .iot-stat-detail{color:#93c5fd}.iot-stat.green-stat .iot-stat-value{color:#4ade80}.iot-stat.green-stat .iot-stat-detail{color:#86efac}.iot-bottom-desc{border-top:1px solid #e5e7eb;gap:16px;margin-top:28px;padding-top:24px;display:flex}.iot-desc-item{text-align:center;flex:1}.iot-desc-item h4{color:#111827;margin-bottom:8px;font-size:16px;font-weight:800}.iot-desc-item p{color:#6b7280;font-size:14px;font-weight:500;line-height:1.7}@media (width<=768px){.iot-diagram{padding:20px 16px 16px}.iot-flow-group{padding:16px 14px}.iot-api-row{flex-wrap:wrap;gap:6px}.iot-api-chip{padding:7px 10px;font-size:11px}.iot-opt-cards{grid-template-columns:1fr 1fr;gap:14px;display:grid}.iot-card-arrow{display:none}.iot-opt-card.c3{grid-column:1/-1}.iot-result-bar{flex-direction:column}.iot-stat+.iot-stat:before{width:60%;height:1px;top:0;left:20%}}@media (width<=480px){.iot-opt-cards{grid-template-columns:1fr}.iot-opt-card.c3{grid-column:auto}}.perm-diagram{background:#fff;border-radius:16px;width:100%;margin:24px 0;padding:40px 48px 36px;box-shadow:0 2px 20px #0000000f}.perm-section-badge{border-radius:8px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 16px;font-size:14px;font-weight:800;display:inline-flex}.perm-section-badge.red{color:#dc2626;background:#fef2f2;border:1px solid #fecaca}.perm-section-badge.green{color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0}.perm-badge-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.perm-badge-dot.red{background:#ef4444}.perm-badge-dot.green{background:#22c55e}.perm-verdict{border-radius:10px;margin-top:16px;padding:12px 18px;font-size:14px;font-weight:700}.perm-verdict.red{color:#dc2626;background:#fef2f2;border:1px solid #fecaca}.perm-verdict.green{color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0}.perm-baf-grid{grid-template-columns:1fr 1fr;gap:32px;display:grid}.perm-baf-col{flex-direction:column;display:flex}.perm-node{border:1.5px solid;border-radius:12px;align-items:flex-start;gap:14px;padding:16px 20px;display:flex}.perm-node.neutral{background:#f9fafb;border-color:#e5e7eb}.perm-node.green{background:#f0fdf4;border-color:#86efac}.perm-node-icon{flex-shrink:0;margin-top:2px;font-size:22px}.perm-node-title{color:#111827;margin-bottom:4px;font-size:16px;font-weight:800}.perm-node-sub{color:#9ca3af;font-size:13px;font-weight:500}.perm-node-code{color:#16a34a;font-family:SF Mono,Fira Code,monospace;font-size:13px;font-weight:600;line-height:1.7}.perm-connector-arrow{text-align:center;margin:6px 0 2px;font-size:28px;font-weight:900}.perm-connector-arrow.red{color:#ef4444}.perm-connector-arrow.green{color:#22c55e}.perm-connector-label{text-align:center;margin-bottom:12px;font-size:12px;font-weight:700}.perm-connector-label.red{color:#ef4444}.perm-connector-label.green{color:#22c55e}.perm-page-list{flex-direction:column;gap:6px;display:flex}.perm-page-item{border:1px solid;border-radius:10px;align-items:center;gap:12px;padding:10px 14px;display:flex}.perm-page-item.red{background:#fff5f5;border-color:#fecaca}.perm-page-item.clean{background:#f0fdf4;border-color:#d1fae5}.perm-page-item.ghost{opacity:.7;background:#f9fafb;border-style:dashed;border-color:#e5e7eb}.perm-page-icon{flex-shrink:0;font-size:18px}.perm-page-name{color:#111827;font-size:14px;font-weight:700}.perm-page-code{color:#dc2626;font-family:SF Mono,Fira Code,monospace;font-size:11px;font-weight:500}.perm-page-sub{color:#16a34a;font-size:11px;font-weight:500}.perm-evo-grid{grid-template-columns:1fr auto 1fr;align-items:start;gap:0;margin-bottom:28px;display:grid}.perm-evo-card{background:#f9fafb;border:1.5px solid #e5e7eb;border-radius:14px;flex-direction:column;gap:14px;padding:24px;display:flex}.perm-evo-card.highlight{background:#f0fdf4;border-color:#86efac}.perm-evo-header{align-items:center;gap:10px;display:flex}.perm-evo-badge{border-radius:6px;padding:4px 12px;font-size:12px;font-weight:800}.perm-evo-badge.v1{color:#6b7280;background:#f3f4f6;border:1px solid #d1d5db}.perm-evo-badge.v2{color:#16a34a;background:#dcfce7;border:1px solid #86efac}.perm-evo-label{color:#6b7280;font-size:14px;font-weight:700}.perm-code-box{background:#1e293b;border-radius:10px;padding:16px 20px}.perm-code-box.green{background:#1e293b;border:1px solid #22c55e4d}.perm-code-box code{color:#e2e8f0;background:0 0;border:none;padding:0;font-size:16px;font-weight:700}.code-fn{color:#93c5fd}.code-arg-red{color:#fca5a5}.code-arg-green{color:#86efac}.code-attr{color:#fbbf24}.code-indent{padding-left:16px}.perm-evo-desc{color:#6b7280;font-size:14px;font-weight:500;line-height:1.7}.perm-evo-tag{border-radius:8px;width:fit-content;padding:6px 14px;font-size:13px;font-weight:700}.perm-evo-tag.red{color:#dc2626;background:#fef2f2;border:1px solid #fecaca}.perm-evo-tag.green{color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0}.perm-evo-arrow{color:#9ca3af;justify-content:center;align-items:center;padding:80px 20px 0;font-size:32px;font-weight:900;display:flex}.perm-usage{border-top:1px solid #e5e7eb;padding-top:24px}.perm-usage-title{color:#6b7280;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;font-size:14px;font-weight:800}.perm-usage-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.perm-usage-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:10px;padding:18px 16px;display:flex}.perm-usage-fn{color:#1e293b;font-family:SF Mono,Fira Code,monospace;font-size:15px;font-weight:800}.perm-usage-arrow-down{color:#9ca3af;font-size:12px;font-weight:500}.perm-usage-result{color:#374151;font-size:14px;font-weight:600}.perm-false-badge{color:#dc2626;background:#fef2f2;border-radius:4px;padding:2px 8px;font-family:SF Mono,Fira Code,monospace;font-size:12px;font-weight:800}.perm-retro-grid{grid-template-columns:1fr auto 1fr;align-items:stretch;gap:0;display:grid}.perm-retro-panel{flex-direction:column;display:flex}.perm-retro-panel .perm-retro-box{flex:1}.perm-retro-arrow{color:#9ca3af;justify-content:center;align-items:center;padding:80px 20px 0;font-size:32px;font-weight:900;display:flex}.perm-retro-box{border:1.5px solid;border-radius:14px;overflow:hidden}.perm-retro-box.red{border-color:#fecaca}.perm-retro-box.green{border-color:#86efac}.perm-retro-titlebar{color:#374151;background:#f9fafb;border-bottom:1px solid #e5e7eb;padding:12px 18px;font-size:15px;font-weight:800}.perm-retro-titlebar.green{color:#16a34a;background:#f0fdf4;border-bottom-color:#bbf7d0}.perm-retro-body{flex-direction:column;gap:8px;padding:14px 16px;display:flex}.perm-retro-btn-row{background:#fff5f5;border:1px solid #fecaca;border-radius:8px;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.perm-btn-name{color:#dc2626;font-size:13px;font-weight:700}.perm-btn-code{color:#ef4444;background:0 0;border:none;padding:0;font-family:SF Mono,Fira Code,monospace;font-size:11px;font-weight:500}.perm-retro-more{text-align:center;color:#9ca3af;padding:4px 0;font-size:12px;font-style:italic;font-weight:500}.perm-retro-code-block{background:#1e293b;border-radius:10px;padding:16px 20px}.perm-retro-code-block code{color:#e2e8f0;background:0 0;border:none;padding:0;font-size:14px;font-weight:600;line-height:2;display:block}.perm-retro-benefit{color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:10px 14px;font-size:13px;font-weight:700;line-height:1.7}@media (width<=768px){.perm-diagram{padding:24px 20px}.perm-baf-grid{grid-template-columns:1fr;gap:28px}.perm-evo-grid{grid-template-columns:1fr;gap:16px}.perm-evo-arrow{padding:4px 0;transform:rotate(90deg)}.perm-retro-grid{grid-template-columns:1fr;gap:16px}.perm-retro-arrow{padding:4px 0;transform:rotate(90deg)}.perm-usage-grid{grid-template-columns:1fr}}
