:root{--primary: #0078d4;--primary-hover: #0064b1;--primary-light: #e0f0ff;--secondary: #0e639c;--bg-page: #f8fafc;--bg-card: #ffffff;--bg-subtle: #f1f5f9;--border-color: #e2e8f0;--border-focus: #94a3b8;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--code-bg: #1e293b;--code-text: #e2e8f0;--success: #10b981;--success-bg: #ecfdf5;--warning: #f59e0b;--warning-bg: #fffbeb;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .06);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 10px 25px rgba(15, 23, 42, .1);--font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", "Noto Sans JP", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-page);color:var(--text-primary);line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}a{color:var(--primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--primary-hover)}.guide-container{max-width:1120px;margin:0 auto;padding:0 20px;width:100%}.guide-nav{position:sticky;top:0;z-index:50;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px;white-space:nowrap}.brand-area{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0;white-space:nowrap}.brand-icon{width:36px;height:36px;background:#0078d4;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 2px 8px #0078d459;flex-shrink:0}.brand-title{font-size:1.15rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em;white-space:nowrap;word-break:keep-all}.brand-badge{font-size:.72rem;background:var(--primary-light);color:var(--primary);padding:2px 8px;border-radius:999px;font-weight:600;white-space:nowrap;word-break:keep-all}.nav-links{display:flex;align-items:center;gap:4px;list-style:none;flex-shrink:0;white-space:nowrap}.nav-links li{white-space:nowrap;flex-shrink:0}.nav-link{display:flex;align-items:center;gap:6px;padding:8px 12px;font-size:.92rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all .15s ease;white-space:nowrap;word-break:keep-all;flex-shrink:0}.nav-link span{white-space:nowrap;word-break:keep-all}.nav-link:hover{background:var(--bg-subtle);color:var(--primary)}.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;white-space:nowrap}.study-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:#fdf2f8;color:#be185d;border:1px solid #fbcfe8;border-radius:var(--radius-sm);font-size:.82rem;font-weight:600;transition:all .2s ease;white-space:nowrap;word-break:keep-all;flex-shrink:0}.study-badge span{white-space:nowrap;word-break:keep-all}.study-badge:hover{background:#fce7f3;color:#9d174d;transform:translateY(-1px)}.lang-selector-box{display:flex;align-items:center;gap:6px;background:var(--bg-subtle);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:4px 8px;white-space:nowrap;flex-shrink:0}.lang-selector-box select{border:none;background:transparent;font-size:.85rem;font-weight:600;color:var(--text-primary);outline:none;cursor:pointer;white-space:nowrap}.mobile-menu-btn{display:none;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:8px;cursor:pointer;color:var(--text-primary);flex-shrink:0}.step-banner{background:#fff;border-bottom:1px solid var(--border-color);padding:16px 0;margin-bottom:24px}.step-tracker{display:flex;justify-content:space-between;align-items:center;position:relative;white-space:nowrap;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;gap:12px}.step-tracker::-webkit-scrollbar{display:none}.step-item{display:flex;align-items:center;gap:8px;font-size:.88rem;font-weight:500;color:var(--text-muted);text-decoration:none;white-space:nowrap;word-break:keep-all;flex-shrink:0}.step-item span{white-space:nowrap;word-break:keep-all}.step-circle{width:28px;height:28px;border-radius:50%;border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;background:#fff;flex-shrink:0}.step-item.active .step-circle{border-color:var(--primary);background:var(--primary);color:#fff}.step-item.active{color:var(--primary);font-weight:700}.step-item.completed .step-circle{border-color:var(--success);background:var(--success-bg);color:var(--success)}.hero-box{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:40px;margin-top:28px;margin-bottom:32px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}.hero-content h1{font-size:2.1rem;font-weight:800;color:var(--text-primary);letter-spacing:-.03em;line-height:1.25;margin-bottom:14px}.hero-content p{font-size:1.05rem;color:var(--text-secondary);margin-bottom:24px}.os-detector-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:var(--bg-subtle);border:1px solid var(--border-color);border-radius:999px;font-size:.84rem;font-weight:600;color:var(--text-secondary);margin-bottom:18px}.os-detector-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all .15s ease;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 6px #0078d44d}.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-subtle)}.hero-graphic{background:linear-gradient(135deg,#f0f7ff,#e0f0ff);border:1px solid #bae6fd;border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:16px}.quick-meta-item{display:flex;align-items:center;gap:12px;background:#fff;padding:12px 16px;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}.quick-meta-icon{color:var(--primary)}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:40px}.step-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);transition:all .2s ease;display:flex;flex-direction:column;text-decoration:none;position:relative;overflow:hidden}.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--primary)}.step-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.step-number-tag{font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--primary-light);color:var(--primary);text-transform:uppercase;letter-spacing:.05em}.step-time-tag{font-size:.75rem;color:var(--text-muted)}.step-card h3{font-size:1.18rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.step-card p{font-size:.9rem;color:var(--text-secondary);margin-bottom:20px;flex-grow:1}.step-card-cta{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:600;color:var(--primary)}.content-section{margin-bottom:36px}.section-title-wrap{margin-bottom:20px}.section-title-wrap h2{font-size:1.5rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;display:flex;align-items:center;gap:10px}.section-title-wrap p{font-size:.95rem;color:var(--text-secondary);margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:20px}.tab-header{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:20px;gap:8px}.tab-btn{padding:10px 18px;background:transparent;border:none;border-bottom:2px solid transparent;font-size:.92rem;font-weight:600;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .15s ease}.tab-btn:hover{color:var(--primary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);background:#f8fafc}.tab-content{display:none}.tab-content.active{display:block}.guided-step-list{list-style:none;display:flex;flex-direction:column;gap:18px}.guided-step-item{display:flex;gap:16px}.guided-step-num{width:32px;height:32px;flex-shrink:0;border-radius:50%;background:var(--primary-light);color:var(--primary);font-weight:700;font-size:.95rem;display:flex;align-items:center;justify-content:center}.guided-step-body h4{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.guided-step-body p{font-size:.92rem;color:var(--text-secondary);margin-bottom:8px}.code-container{background:var(--code-bg);border-radius:var(--radius-sm);overflow:hidden;margin:14px 0;box-shadow:var(--shadow-sm)}.code-header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;background:#0f172a;border-bottom:1px solid #334155}.code-filename{font-family:var(--font-mono);font-size:.8rem;color:#94a3b8}.copy-btn{background:#334155;color:#f1f5f9;border:none;padding:4px 10px;border-radius:4px;font-size:.78rem;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:5px;transition:background .15s ease}.copy-btn:hover{background:#475569}.copy-btn.copied{background:var(--success);color:#fff}pre.code-block{padding:16px;overflow-x:auto;color:var(--code-text);font-family:var(--font-mono);font-size:.88rem;line-height:1.5}.kbd{display:inline-block;padding:2px 6px;font-family:var(--font-mono);font-size:.78rem;font-weight:600;color:#1e293b;background-color:#f1f5f9;border:1px solid #cbd5e1;border-bottom:2px solid #94a3b8;border-radius:4px;box-shadow:0 1px 1px #0000000d;margin:0 2px}.extension-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px}.extension-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;transition:all .2s ease}.extension-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}.extension-header{display:flex;align-items:center;gap:14px;margin-bottom:12px}.ext-icon-box{width:44px;height:44px;border-radius:var(--radius-sm);background:#f0f7ff;color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.extension-info h3{font-size:1.05rem;font-weight:700;color:var(--text-primary)}.ext-publisher{font-size:.78rem;color:var(--text-muted)}.ext-desc{font-size:.88rem;color:var(--text-secondary);margin-bottom:14px;flex-grow:1}.ext-install-bar{background:var(--bg-subtle);border-radius:var(--radius-sm);padding:8px 12px;display:flex;align-items:center;justify-content:space-between;font-size:.82rem;font-family:var(--font-mono)}.checklist-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;margin:28px 0}.checklist-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.checklist-title{display:flex;align-items:center;gap:8px;font-size:1.1rem;font-weight:700}.progress-pill{font-size:.8rem;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary)}.check-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);transition:background .1s ease;cursor:pointer;-webkit-user-select:none;user-select:none}.check-item:hover{background:var(--bg-subtle)}.check-item input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary);cursor:pointer}.check-item.done span{text-decoration:line-through;color:var(--text-muted)}.sandbox-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;margin:24px 0;box-shadow:var(--shadow-sm)}.sandbox-header{background:#f8fafc;border-bottom:1px solid var(--border-color);padding:12px 18px;display:flex;align-items:center;justify-content:space-between}.sandbox-split{display:grid;grid-template-columns:1fr 1fr;min-height:280px}.sandbox-editor-side{border-right:1px solid var(--border-color);background:#0f172a;display:flex;flex-direction:column}.editor-bar{padding:6px 14px;background:#1e293b;color:#94a3b8;font-family:var(--font-mono);font-size:.78rem;display:flex;align-items:center;justify-content:space-between}.sandbox-textarea{flex-grow:1;background:transparent;color:#e2e8f0;border:none;padding:14px;font-family:var(--font-mono);font-size:.85rem;line-height:1.5;resize:none;outline:none}.sandbox-preview-side{background:#fff;display:flex;flex-direction:column}.preview-bar{padding:6px 14px;background:#f1f5f9;border-bottom:1px solid var(--border-color);font-size:.78rem;font-weight:600;color:var(--text-muted);display:flex;align-items:center;gap:6px}.preview-bar .dot-red{width:8px;height:8px;border-radius:50%;background:#ef4444}.preview-bar .dot-yellow{width:8px;height:8px;border-radius:50%;background:#f59e0b}.preview-bar .dot-green{width:8px;height:8px;border-radius:50%;background:#10b981}.sandbox-iframe{flex-grow:1;border:none;width:100%;height:100%;background:#fff}.faq-list{display:flex;flex-direction:column;gap:12px}.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-sm);background:#fff;overflow:hidden;transition:border-color .15s ease}.faq-item.active{border-color:var(--primary)}.faq-question{width:100%;padding:16px 20px;background:transparent;border:none;text-align:left;font-size:.98rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;justify-content:space-between;cursor:pointer}.faq-question:hover{background:#f8fafc}.faq-answer{display:none;padding:0 20px 18px;font-size:.92rem;color:var(--text-secondary);border-top:1px solid #f1f5f9;line-height:1.6}.faq-item.active .faq-answer{display:block}.candlesister-banner{background:linear-gradient(135deg,#fdf2f8,#fff1f2);border:1px solid #fecdd3;border-radius:var(--radius-md);padding:24px 28px;margin:36px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}.cs-content h3{font-size:1.2rem;font-weight:800;color:#9f1239;margin-bottom:6px}.cs-content p{font-size:.92rem;color:#881337}.btn-cs{background:#e11d48;color:#fff;padding:10px 20px;font-size:.92rem;font-weight:700;border-radius:var(--radius-sm);display:inline-flex;align-items:center;gap:6px;transition:all .2s ease;white-space:nowrap}.btn-cs:hover{background:#be123c;color:#fff;transform:translateY(-1px)}.page-nav-controls{display:flex;align-items:center;justify-content:space-between;margin:40px 0 20px;padding-top:24px;border-top:1px solid var(--border-color)}.page-nav-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;font-size:.92rem;font-weight:600;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--border-color);color:var(--text-primary);transition:all .15s ease}.page-nav-btn:hover{border-color:var(--primary);color:var(--primary);background:#f8fafc}.page-nav-btn.next-step{background:var(--primary);color:#fff;border-color:var(--primary)}.page-nav-btn.next-step:hover{background:var(--primary-hover);color:#fff}.guide-footer{margin-top:auto;background:#fff;border-top:1px solid var(--border-color);padding:32px 0 24px}.footer-content{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px}.footer-links{display:flex;gap:16px;list-style:none;font-size:.88rem}.footer-links a{color:var(--text-muted)}.footer-links a:hover{color:var(--primary)}.footer-copy{font-size:.82rem;color:var(--text-muted)}@media(max-width:1100px){.nav-link{padding:7px 10px;font-size:.87rem}.brand-title{font-size:1.05rem}}@media(max-width:960px){.hero-box{grid-template-columns:1fr;padding:24px}.sandbox-split{grid-template-columns:1fr}.sandbox-editor-side{border-right:none;border-bottom:1px solid var(--border-color)}.candlesister-banner{flex-direction:column;align-items:flex-start}.nav-links{display:none;position:absolute;top:68px;left:0;width:100%;background:#fff;border-bottom:1px solid var(--border-color);flex-direction:column;padding:12px 20px;box-shadow:var(--shadow-md);white-space:nowrap}.nav-links.open{display:flex}.nav-links li{width:100%;white-space:nowrap}.nav-links .nav-link{width:100%;padding:10px 14px;white-space:nowrap}.mobile-menu-btn{display:block}.step-tracker{overflow-x:auto;padding-bottom:8px;gap:16px;white-space:nowrap}}@media(max-width:480px){.brand-badge{display:none}.brand-title{font-size:.98rem}}.kakao-adfit-banner-wrap{display:none;justify-content:center;padding:8px 0}.kakao-adfit-banner-slot{width:754px;height:116px;max-width:100%;border-radius:16px;border:1px solid var(--border, #e2e8f0);background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 2px #0000000a}.kakao-adfit-sidebar-slot{display:none;position:fixed;right:16px;top:50%;transform:translateY(-50%);width:160px;height:600px;z-index:30;align-items:center;justify-content:center}@media(min-width:1024px){.kakao-adfit-banner-wrap{display:flex}}@media(min-width:1280px){.kakao-adfit-sidebar-slot{display:flex}}.back-to-portal-bar{display:flex;align-items:center;justify-content:center;gap:6px;background:#4f46e5;color:#fff;padding:6px 16px;font-size:11px;font-weight:600;text-decoration:none;transition:background-color .15s ease}.back-to-portal-bar:hover{background:#4338ca}.back-to-portal-bar svg{width:12px;height:12px;flex-shrink:0}