.container{max-width:1280px;margin:0 auto;padding:0 1.5rem;}header{height:64px;position:relative;width:100%;background:#ffffff;border-bottom:1px solid #f3f4f6;z-index:100;display:flex;align-items:center;}.header-content{display:flex;justify-content:space-between;align-items:center;width:100%;}.logo{display:flex;align-items:center;gap:0.5rem;text-decoration:none;}.logo-box{background:#2563eb;width:40px;height:40px;border-radius:0.5rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;}.logo-text{font-size:clamp(1.25rem, 4vw, 1.5rem);font-weight:700;color:#111827;letter-spacing:-0.025em;}.text-blue{color:#2563eb;}.desktop-nav{display:none;gap:1.5rem;align-items:center;}.nav-link{color:#374151;font-weight:500;text-decoration:none;font-size:1rem;transition:color 0.2s;}.nav-link:hover{color:#2563eb;}.menu-btn{display:block;background:none;border:none;cursor:pointer;color:#374151;}@media (min-width:768px){.desktop-nav{display:flex;}.menu-btn{display:none;}}.mobile-nav{display:none;}.mobile-nav.active{display:flex;flex-direction:column;position:absolute;top:64px;left:0;width:100%;background:#ffffff;border-bottom:1px solid #f3f4f6;padding:1rem 0;z-index:99;}.mobile-nav a{padding:0.75rem 1.5rem;text-decoration:none;color:#374151;font-weight:500;font-size:1.1rem;}:root{--bg-color:#f1f5f9;--border-color:#cbd5e1;--card-bg:#ffffff;--btn-slate:#1e293b;--text-black:#000000;}*{box-sizing:border-box;margin:0;padding:0;font-family:'Inter', -apple-system, system-ui, sans-serif;}body{background-color:var(--bg-color);color:var(--text-black);overflow-x:hidden;}.layout-wrapper{display:flex;width:100%;max-width:1400px;margin:0 auto;}.side-space{width:15%;background-color:var(--bg-color);}.main-tool{width:70%;display:flex;flex-direction:column;gap:25px;}@media (max-width:1100px){.layout-wrapper{padding:0px 10px;}.seocontent{padding:0px 10px;}.side-space{display:none;}.main-tool{width:100%;}}@media (max-width:600px){.layout-wrapper{padding:0px 10px;}.seocontent{padding:0px 10px;}h1{font-size:1.6rem !important;}}h1{text-align:center;font-size:2rem;font-weight:800;margin-bottom:20px;margin-top:45px;color:var(--text-black);}.card{background:var(--card-bg);border-radius:12px;padding:30px;border:1px solid var(--border-color);box-shadow:0 1px 3px rgba(0,0,0,0.05);width:100%;}label{display:block;font-size:1rem;font-weight:500;margin-bottom:10px;color:#000;cursor:pointer;}.field{margin-bottom:20px;}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}@media (max-width:650px){.field-row{grid-template-columns:1fr;}}input[type="text"], textarea{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;outline:none;background:#ffffff;color:#000;display:block;}textarea{resize:vertical;max-width:100%;min-height:55px;max-height:200px;}input:focus, textarea:focus{border-color:#000;}.color-well{display:flex;align-items:center;justify-content:space-between;background:#f8fafc;padding:15px;border-radius:10px;border:1px solid var(--border-color);}.color-text strong{font-size:0.95rem;font-weight:500;display:block;}.color-text span{font-size:0.85rem;color:#64748b;}.color-circle{width:45px;height:45px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1px var(--border-color);overflow:hidden;cursor:pointer;position:relative;}input[type="color"]{position:absolute;top:-10px;left:-10px;width:80px;height:80px;cursor:pointer;border:none;}.chart-frame{width:100%;background:white;border-radius:8px;border:1px solid var(--border-color);overflow:hidden;}.scroll-engine{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}.canvas-area{height:450px;width:100%;padding:15px;}@media (max-width:850px){.canvas-area{min-width:800px;}.hint{display:block;text-align:center;font-size:0.75rem;color:#64748b;margin-bottom:5px;}}.hint{display:none;}.export-section{display:grid;grid-template-columns:1fr 1fr;gap:15px;}@media (max-width:500px){.export-section{grid-template-columns:1fr;}}.btn{background-color:var(--btn-slate);color:white;padding:18px;border:none;border-radius:10px;font-weight:700;cursor:pointer;font-size:1rem;transition:opacity 0.2s;}.btn:hover{opacity:0.9;}footer{margin-top:2rem;padding:3rem 0;border-top:1px solid #f3f4f6;background-color:#ffffff;}.footer-content{display:flex;flex-direction:column;align-items:center;gap:2rem;}@media (min-width:768px){.footer-content{flex-direction:row;justify-content:space-between;}}.footer-logo{display:flex;align-items:center;gap:0.5rem;font-weight:700;text-decoration:none;color:#111827;}.footer-icon{background:#e5e7eb;padding:0.25rem;border-radius:0.25rem;display:flex;}.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem;}.footer-link{font-size:0.875rem;font-weight:500;color:#000000;text-decoration:none;transition:color 0.2s;}.footer-link:hover{color:#2563eb;}.copyright{font-size:0.875rem;color:#000000;}