:root{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-card:#ffffff;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--border-color:#e2e8f0;--accent-color:#2563eb;--accent-hover:#1d4ed8;--accent-light:#eff6ff;--success-color:#16a34a;--success-bg:#f0fdf4;--warning-color:#d97706;--warning-bg:#fffbeb;--danger-color:#dc2626;--danger-bg:#fef2f2;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -2px rgba(0,0,0,0.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--font-sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;--font-heading:'Outfit',sans-serif}
[data-theme="dark"]{--bg-primary:#090d16;--bg-secondary:#0f172a;--bg-card:#131c31;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--border-color:#1e293b;--accent-color:#3b82f6;--accent-hover:#60a5fa;--accent-light:rgba(59,130,246,0.15);--success-color:#22c55e;--success-bg:rgba(34,197,94,0.15);--warning-color:#f59e0b;--warning-bg:rgba(245,158,11,0.15);--danger-color:#ef4444;--danger-bg:rgba(239,68,68,0.15);--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.4);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.5);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.6)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;color:var(--text-primary);line-height:1.25}
a{color:var(--accent-color);text-decoration:none;transition:color 0.2s ease}
a:hover{color:var(--accent-hover)}
button,input,select{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1240px;margin-left:auto;margin-right:auto;padding-left:1.25rem;padding-right:1.25rem;box-sizing:border-box}
.header{position:sticky;top:0;z-index:1000;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:1rem}
.logo-area{display:flex;align-items:center;gap:0.75rem;text-decoration:none;color:var(--text-primary);font-weight:800;font-size:1.35rem;font-family:var(--font-heading)}
.logo-badge{background:linear-gradient(135deg,#2563eb,#8b5cf6);color:#fff;padding:0.25rem 0.6rem;border-radius:var(--radius-sm);font-size:0.8rem;font-weight:700;letter-spacing:0.5px}
.nav-menu{display:flex;align-items:center;gap:1.25rem;list-style:none}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:0.35rem;padding:0.5rem 0.75rem;color:var(--text-secondary);font-weight:500;font-size:0.95rem;border-radius:var(--radius-sm);transition:all 0.2s ease;cursor:pointer;border:none;background:none}
.nav-link:hover{color:var(--accent-color);background-color:var(--accent-light)}
.nav-dropdown-menu{display:none;position:absolute;top:100%;left:0;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:320px;padding:0.75rem;z-index:1010}
.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu{display:block}
.dropdown-col-title{font-size:0.75rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:0.5rem;font-weight:700;padding-left:0.5rem}
.dropdown-link-list{list-style:none;display:flex;flex-direction:column;gap:0.25rem}
.dropdown-link-item{display:flex;align-items:center;gap:0.5rem;padding:0.45rem 0.6rem;border-radius:var(--radius-sm);font-size:0.85rem;color:var(--text-secondary);transition:all 0.15s ease}
.dropdown-link-item:hover{background-color:var(--accent-light);color:var(--accent-color)}
.header-actions{display:flex;align-items:center;gap:0.75rem}
.theme-btn{background:none;border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:0.5rem;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all 0.2s ease}
.theme-btn:hover{background-color:var(--accent-light);color:var(--accent-color);border-color:var(--accent-color)}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--text-primary);padding:0.5rem}
.breadcrumb-wrap{padding:1rem 0;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color)}
.breadcrumb-list{display:flex;align-items:center;gap:0.5rem;list-style:none;font-size:0.85rem;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb-separator{display:inline-block;color:var(--text-muted);opacity:0.6}
.hero-section{padding:3.5rem 0 2rem;text-align:center;background:radial-gradient(circle at 50% 0%,var(--accent-light) 0%,transparent 70%)}
.hero-tag{display:inline-flex;align-items:center;gap:0.4rem;padding:0.35rem 0.85rem;background-color:var(--accent-light);color:var(--accent-color);border:1px solid rgba(37,99,235,0.25);border-radius:999px;font-size:0.8rem;font-weight:600;margin-bottom:1.25rem}
.hero-title{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:1rem;letter-spacing:-0.03em}
.hero-title span{background:linear-gradient(135deg,#2563eb,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:clamp(1rem,1.5vw,1.15rem);color:var(--text-secondary);max-width:800px;margin:0 auto 2rem}
.app-workspace{max-width:1040px;margin:0 auto 3rem;width:100%}
.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-md);margin-bottom:2rem;width:100%;box-sizing:border-box}
.gsc-auth-banner{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;background:linear-gradient(135deg,rgba(37,99,235,0.06),rgba(139,92,246,0.06));border:1px solid rgba(37,99,235,0.2);border-radius:var(--radius-md);margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}
.gsc-auth-left{display:flex;align-items:center;gap:1rem}
.gsc-auth-icon{width:42px;height:42px;border-radius:var(--radius-sm);background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);flex-shrink:0}
.gsc-auth-title{font-weight:700;font-size:1.05rem;color:var(--text-primary)}
.gsc-auth-desc{font-size:0.85rem;color:var(--text-secondary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.75rem 1.4rem;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;cursor:pointer;transition:all 0.2s ease;border:none}
.btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;box-shadow:0 2px 4px rgba(37,99,235,0.25)}
.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#1d4ed8,#1e40af);transform:translateY(-1px);box-shadow:0 4px 8px rgba(37,99,235,0.35)}
.btn-primary:disabled{opacity:0.65;cursor:not-allowed}
.btn-google{background-color:#ffffff;color:#374151;border:1px solid #d1d5db;box-shadow:0 1px 2px rgba(0,0,0,0.05);font-size:0.9rem;padding:0.65rem 1.25rem}
.btn-google:hover{background-color:#f9fafb;border-color:#9ca3af;color:#111827}
.btn-secondary{background-color:var(--bg-primary);color:var(--text-secondary);border:1px solid var(--border-color)}
.btn-secondary:hover{background-color:var(--accent-light);color:var(--accent-color);border-color:var(--accent-color)}
.btn-outline-danger{background:none;color:var(--danger-color);border:1px solid var(--danger-color)}
.btn-outline-danger:hover{background:var(--danger-bg)}
.form-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-bottom:1.5rem}
.form-group{display:flex;flex-direction:column;gap:0.4rem;position:relative}
.form-label{font-size:0.88rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:0.4rem}
.form-input,.form-select{width:100%;padding:0.75rem 1rem;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.95rem;transition:border-color 0.2s,box-shadow 0.2s;box-sizing:border-box}
.form-input:focus,.form-select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-light)}
.form-row-multi{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.form-actions{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.5rem}
.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,0.3);border-radius:50%;border-top-color:#fff;animation:spin 0.8s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.results-container{display:none;margin-top:2rem;width:100%}
.results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}
.telemetry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}
.telemetry-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.25rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:0.35rem}
.telemetry-label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted)}
.telemetry-value{font-size:1.75rem;font-weight:800;font-family:var(--font-heading);color:var(--text-primary)}
.telemetry-delta{font-size:0.78rem;font-weight:600;display:flex;align-items:center;gap:0.25rem}
.delta-up{color:var(--success-color)}
.delta-down{color:var(--danger-color)}
.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;margin-bottom:2rem}
.chart-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.25rem;box-shadow:var(--shadow-sm)}
.chart-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.chart-title{font-size:0.95rem;font-weight:700;color:var(--text-primary)}
.chart-wrap{position:relative;height:250px;width:100%}
.qa-explorer-section{margin-bottom:2.5rem;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-md);width:100%;box-sizing:border-box}
.qa-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1.25rem}
.qa-filter-tabs{display:flex;align-items:center;gap:0.5rem;overflow-x:auto;padding-bottom:0.5rem;margin-bottom:1.25rem;-webkit-overflow-scrolling:touch;width:100%}
.qa-tab-btn{padding:0.45rem 0.9rem;border-radius:999px;font-size:0.82rem;font-weight:600;background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all 0.15s ease}
.qa-tab-btn:hover{color:var(--accent-color);border-color:var(--accent-color)}
.qa-tab-btn.active{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color)}
.qa-cards-grid{display:grid;grid-template-columns:1fr;gap:1rem;width:100%}
.qa-card{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.25rem;transition:all 0.2s ease;width:100%;box-sizing:border-box;overflow-wrap:anywhere;word-break:break-word}
.qa-card:hover{border-color:rgba(37,99,235,0.4);box-shadow:var(--shadow-sm)}
.qa-card-header{display:flex;align-items:flex-start;flex-wrap:wrap;gap:0.5rem;margin-bottom:0.75rem;width:100%}
.qa-q-num{font-size:0.75rem;font-weight:800;color:var(--accent-color);background:var(--accent-light);padding:0.2rem 0.5rem;border-radius:var(--radius-sm);flex-shrink:0}
.qa-q-text{font-size:0.95rem;font-weight:700;color:var(--text-primary);flex:1 1 200px;word-break:break-word;overflow-wrap:anywhere}
.qa-answer-box{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:0.9rem 1.1rem;font-size:0.88rem;color:var(--text-secondary);line-height:1.6;width:100%;box-sizing:border-box;word-break:break-word;overflow-wrap:anywhere}
.qa-answer-intro{display:block;margin-bottom:0.5rem}
.qa-answer-list{margin:0.5rem 0 0.25rem;padding-left:1.25rem;display:flex;flex-direction:column;gap:0.35rem;list-style-type:decimal}
.qa-list-item{color:var(--text-primary);font-size:0.86rem;line-height:1.5}
.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:1.5rem}
.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:0.88rem}
.data-table th{background-color:var(--bg-primary);padding:0.75rem 1rem;font-weight:700;color:var(--text-secondary);border-bottom:1px solid var(--border-color);white-space:nowrap}
.data-table td{padding:0.75rem 1rem;border-bottom:1px solid var(--border-color);vertical-align:middle}
.data-table tr:hover{background-color:var(--accent-light)}
.badge{display:inline-flex;align-items:center;gap:0.3rem;padding:0.2rem 0.55rem;border-radius:999px;font-size:0.72rem;font-weight:700}
.badge-success{background-color:var(--success-bg);color:var(--success-color);border:1px solid rgba(22,163,74,0.3)}
.badge-warning{background-color:var(--warning-bg);color:var(--warning-color);border:1px solid rgba(217,119,6,0.3)}
.badge-danger{background-color:var(--danger-bg);color:var(--danger-color);border:1px solid rgba(220,38,38,0.3)}
.badge-info{background-color:var(--accent-light);color:var(--accent-color);border:1px solid rgba(37,99,235,0.3)}
.pos-pill{display:inline-block;padding:0.2rem 0.5rem;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-weight:700;font-size:0.82rem;font-family:var(--font-heading)}
.section-title-wrap{text-align:center;margin-bottom:2.5rem}
.section-title{font-size:2rem;margin-bottom:0.75rem}
.section-subtitle{color:var(--text-secondary);max-width:650px;margin:0 auto}
.tools-showcase{padding:3rem 0;background-color:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.tool-chip{display:flex;align-items:center;gap:0.6rem;padding:0.85rem 1rem;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:0.85rem;font-weight:600;box-shadow:var(--shadow-sm);transition:all 0.2s ease}
.tool-chip:hover{transform:translateY(-2px);border-color:var(--accent-color);color:var(--accent-color);box-shadow:var(--shadow-md)}
.features-section{padding:4rem 0}
.feature-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}
.feature-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow-sm);transition:all 0.2s ease}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(37,99,235,0.4)}
.feature-icon{width:46px;height:46px;border-radius:var(--radius-md);background-color:var(--accent-light);color:var(--accent-color);display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem}
.feature-title{font-size:1.15rem;margin-bottom:0.5rem}
.feature-desc{font-size:0.88rem;color:var(--text-secondary)}
.how-it-works-section{padding:4rem 0;background-color:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}
.step-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.75rem;position:relative}
.step-number{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#8b5cf6);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:0.9rem;margin-bottom:1rem}
.article-section{padding:4.5rem 0}
.article-content{max-width:840px;margin:0 auto;background-color:var(--bg-card);padding:2.5rem;border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}
.article-content p{margin-bottom:1.25rem;color:var(--text-secondary);font-size:1rem;line-height:1.75}
.article-content h2{margin:2rem 0 1rem;font-size:1.6rem}
.article-content h3{margin:1.5rem 0 0.75rem;font-size:1.25rem}
.article-content ul{margin-bottom:1.25rem;padding-left:1.5rem;color:var(--text-secondary)}
.article-content li{margin-bottom:0.5rem}
.faq-section{padding:4rem 0;background-color:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}
.faq-wrap{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}
.faq-item{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-question{width:100%;text-align:left;padding:1.25rem 1.5rem;background:none;border:none;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:1rem;color:var(--text-primary);cursor:pointer}
.faq-question:hover{color:var(--accent-color)}
.faq-icon{transition:transform 0.2s ease}
.faq-item.active .faq-icon{transform:rotate(180deg)}
.faq-answer{padding:0 1.5rem 1.25rem;color:var(--text-secondary);font-size:0.92rem;line-height:1.65;display:none}
.faq-item.active .faq-answer{display:block}
.cta-section{padding:4.5rem 0;text-align:center;background:radial-gradient(circle at 50% 50%,var(--accent-light) 0%,var(--bg-primary) 100%)}
.cta-card{max-width:800px;margin:0 auto;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:3rem 2rem;box-shadow:var(--shadow-lg)}
.cta-title{font-size:2.2rem;margin-bottom:1rem}
.cta-desc{color:var(--text-secondary);margin-bottom:2rem;font-size:1.05rem}
.cta-buttons{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap}
.footer{background-color:var(--bg-secondary);border-top:1px solid var(--border-color);padding:3.5rem 0 2rem;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2.5rem}
.footer-col-title{font-size:0.95rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:0.45rem}
.footer-link{font-size:0.85rem;color:var(--text-secondary);transition:all 0.15s ease}
.footer-link:hover{color:var(--accent-color);transform:translateX(3px)}
.footer-bottom{border-top:1px solid var(--border-color);padding-top:1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:0.82rem;color:var(--text-muted)}
.footer-trademark{font-size:0.75rem;color:var(--text-muted);margin-top:0.5rem;line-height:1.5}
.cookie-banner{position:fixed;bottom:1rem;left:1rem;right:1rem;max-width:540px;background-color:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);border-radius:var(--radius-md);padding:1.25rem;z-index:9999;display:none;flex-direction:column;gap:0.75rem}
.cookie-banner.show{display:flex}
.cookie-text{font-size:0.82rem;color:var(--text-secondary);line-height:1.5}
.cookie-actions{display:flex;align-items:center;gap:0.5rem;justify-content:flex-end}
#pdfPrintableArea{display:none;width:100%;max-width:760px;margin:0 auto;background:#ffffff;color:#1e293b}.pdf-qa-item,.pdf-avoid-break,#pdfPrintableArea tr{page-break-inside:avoid!important;break-inside:avoid!important;break-inside:avoid-page!important}.pdf-qa-item{display:block!important}#pdfPrintableArea tr{display:table-row!important}#pdfPrintableArea table{page-break-inside:auto;width:100%;border-collapse:collapse}@media print{body *{visibility:hidden}#pdfPrintableArea,#pdfPrintableArea *{visibility:visible}#pdfPrintableArea{position:absolute;left:0;top:0;width:100%;display:block!important}}
.mobile-toggle{display:block}
.nav-menu{position:fixed;top:70px;left:0;right:0;bottom:0;background-color:var(--bg-secondary);flex-direction:column;padding:1.5rem;align-items:flex-start;overflow-y:auto;display:none;z-index:999}
.nav-menu.show{display:flex}
.nav-dropdown-menu{position:static;display:none;box-shadow:none;border:none;padding-left:1rem}
.nav-dropdown.active .nav-dropdown-menu{display:block}
.qa-explorer-section{padding:1.25rem 0.85rem}
.qa-card{padding:1rem 0.75rem}
.qa-answer-box{padding:0.75rem 0.85rem}
.card{padding:1.25rem 0.85rem}
.article-content{padding:1.5rem}
.cta-card{padding:2rem 1.25rem}
}