:root{--primary-color:#07b088;--primary-dark:#058f6e;--secondary-color:#00b4d8;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#1e293b;--text-muted:#64748b;--text-title:#0f172a;--border-color:rgba(226,232,240,.8);--shadow-sm:0 1px 3px rgba(0,0,0,.05);--shadow-md:0 10px 30px -10px rgba(0,0,0,.05);--shadow-hover:0 20px 40px -15px rgba(7,176,136,.15);--transition:all .3s cubic-bezier(.4, 0, .2, 1);--max-width:1200px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans CJK SC,Microsoft YaHei,sans-serif;line-height:1.6}.lang-bar{border-bottom:1px solid var(--border-color);background-color:#f1f5f9;width:100%;position:relative;overflow:hidden}.lang-bar-inner{white-space:nowrap;-ms-overflow-style:none;scrollbar-width:none;flex-wrap:nowrap;gap:20px;padding:10px 20px;display:flex;overflow-x:auto}.lang-bar-inner::-webkit-scrollbar{height:5px;display:none}.lang-bar:hover .lang-bar-inner{scrollbar-width:thin;-ms-overflow-style:auto}.lang-bar:hover .lang-bar-inner::-webkit-scrollbar{display:block}.lang-bar-inner::-webkit-scrollbar-thumb{background-color:#cbd5e1;border-radius:10px}.lang-bar-inner::-webkit-scrollbar-track{background:0 0}.lang-bar-inner a{color:var(--text-muted);transition:var(--transition);font-size:13px;font-weight:500;text-decoration:none}.lang-bar-inner a:hover{color:var(--primary-color)}.site-header{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);width:100%;position:static}.header-container{max-width:var(--max-width);justify-content:space-between;align-items:center;margin:0 auto;padding:15px 20px;display:flex}.logo{align-items:center;gap:10px;text-decoration:none;display:flex}.logo-text{background:linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;font-size:24px;font-weight:800}.logo-badge{color:var(--primary-color);background-color:rgba(7,176,136,.1);border-radius:12px;padding:2px 8px;font-size:12px;font-weight:600}.nav-links{align-items:center;gap:25px;display:flex}.nav-links a{color:var(--text-main);transition:var(--transition);font-size:15px;font-weight:500;text-decoration:none;position:relative}.nav-links a:hover{color:var(--primary-color)}.nav-links a:after{content:"";background-color:var(--primary-color);width:0;height:2px;transition:var(--transition);position:absolute;bottom:-4px;left:0}.nav-links a:hover:after{width:100%}.nav-links a.active{color:var(--primary-color);font-weight:600}.nav-links a.active:after{width:100%}.nav-links .external-tool-btn{background-color:var(--primary-color);color:#fff;box-shadow:var(--shadow-sm);border-radius:8px;padding:8px 16px;font-weight:600}.nav-links .external-tool-btn:after{display:none}.nav-links .external-tool-btn:hover{background-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(7,176,136,.2)}.use-section{max-width:var(--max-width);margin:60px auto;padding:0 20px}.use-hero{text-align:center;margin-bottom:60px}.use-hero h1{color:var(--text-title);margin-bottom:15px;font-size:38px;font-weight:800}.use-hero p{color:var(--text-muted);font-size:16px}.steps-indicator{justify-content:space-between;align-items:center;max-width:800px;margin:0 auto 60px;display:flex;position:relative}.steps-indicator:before{content:"";z-index:1;background-color:#cbd5e1;height:3px;position:absolute;top:25px;left:5%;right:5%}.step-dot{z-index:2;flex-direction:column;align-items:center;width:80px;display:flex;position:relative}.step-number{width:50px;height:50px;color:var(--text-muted);border:4px solid var(--bg-color);transition:var(--transition);background-color:#e2e8f0;border-radius:50%;justify-content:center;align-items:center;font-size:18px;font-weight:700;display:flex}.step-label{color:var(--text-muted);transition:var(--transition);text-align:center;margin-top:10px;font-size:14px;font-weight:600}.step-dot.active .step-number{background:linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);color:#fff;box-shadow:0 4px 15px rgba(7,176,136,.3)}.step-dot.active .step-label{color:var(--primary-color)}.step-card{background-color:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:16px;align-items:center;gap:40px;margin-bottom:40px;padding:40px;display:flex}.step-card:nth-child(2n){flex-direction:row-reverse}.step-content{flex:1}.step-badge{color:var(--primary-color);background-color:rgba(7,176,136,.08);border-radius:12px;margin-bottom:15px;padding:4px 12px;font-size:13px;font-weight:600;display:inline-block}.step-content h3{color:var(--text-title);margin-bottom:15px;font-size:24px;font-weight:700}.step-content p{color:var(--text-muted);margin-bottom:20px;font-size:15px;line-height:1.7}.step-meta{border-left:3px solid var(--primary-color);background-color:#f1f5f9;border-radius:8px;padding:15px}.step-meta p{color:var(--text-main);margin:0;font-size:13px}.step-media{border:1px solid var(--border-color);background-color:#f8fafc;border-radius:12px;flex:1;justify-content:center;align-items:center;min-height:250px;display:flex;overflow:hidden}.markdown-mock{color:#e2e8f0;background-color:#1e293b;border-radius:12px;width:100%;padding:25px;font-family:Fira Code,Consolas,Monaco,monospace;font-size:13px;box-shadow:inset 0 2px 8px rgba(0,0,0,.2)}.markdown-mock .md-h1{color:#f43f5e;font-weight:700}.markdown-mock .md-h2{color:#ec4899;font-weight:700}.markdown-mock .md-bold{color:#38bdf8;font-weight:700}.markdown-mock .md-code{color:#f59e0b}.markdown-mock .md-comment{color:#64748b}.get-started-box{border:1px solid var(--border-color);text-align:center;background:linear-gradient(135deg,rgba(7,176,136,.03) 0%,rgba(0,180,216,.03) 100%);border-radius:16px;margin-top:60px;padding:50px 30px}.get-started-box h2{color:var(--text-title);margin-bottom:15px;font-size:28px;font-weight:800}.get-started-box p{color:var(--text-muted);max-width:600px;margin:0 auto 30px}.btn-primary{background:linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);color:#fff;transition:var(--transition);border-radius:8px;padding:12px 30px;font-weight:600;text-decoration:none;display:inline-block;box-shadow:0 4px 15px rgba(7,176,136,.25)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(7,176,136,.35)}.ad-container{max-width:var(--max-width);text-align:center;margin:30px auto;padding:0 20px}.ad-wrapper{background-color:#f1f5f9;border:1px dashed #cbd5e1;border-radius:12px;width:100%;padding:15px;display:inline-block}.site-footer{color:#94a3b8;background-color:#0f172a;border-top:1px solid #1e293b;margin-top:60px;padding:60px 20px}.footer-container{max-width:var(--max-width);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:30px;margin:0 auto;display:flex}.footer-info{max-width:600px}.footer-info p{margin-bottom:10px;font-size:14px}.footer-info a{color:var(--primary-color);transition:var(--transition);font-weight:600;text-decoration:none}.footer-info a:hover{color:#10b981;text-decoration:underline}@media (max-width:768px){.header-container{text-align:center;flex-direction:column;gap:15px}.nav-links{flex-wrap:wrap;justify-content:center;gap:15px}.steps-indicator{display:none}.step-card{gap:20px;padding:25px;flex-direction:column!important}.step-media{width:100%;min-height:auto}.footer-container{text-align:center;flex-direction:column}}