:root{--bg-color: #FFFFFF;--card-bg: #FFFFFF;--primary-color: #14C6A4;--theme-color: #14C6A4;--theme-bg: #F0FDF4;--theme-highlight: #059176;--text-main: #1F2937;--text-muted: #6B7280;--accent-orange: var(--theme-highlight);--shadow-sm: 0 4px 20px rgba(0, 0, 0, .04);--shadow-md: 0 8px 30px rgba(0, 0, 0, .08);--border-radius: 32px;--container-radius: 40px;--font-family: "Outfit", "Inter", -apple-system, sans-serif}body{margin:0;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);display:flex;justify-content:center;align-items:flex-start;min-height:100vh;padding:60px 20px}.container{width:100%;max-width:1000px;background:radial-gradient(circle at center,var(--theme-bg) 0%,#FFFFFF 100%);border-radius:var(--container-radius);padding:40px;display:flex;flex-direction:column;gap:56px;transition:all .4s ease;box-sizing:border-box}.nav-tabs{background:#fff;border-radius:16px;padding:12px;display:flex;justify-content:space-around;box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100}.nav-indicator{position:absolute;height:calc(100% - 24px);top:12px;left:12px;border-radius:12px;transition:all .4s cubic-bezier(.16,1,.3,1);z-index:0;pointer-events:none;opacity:1!important;background-image:none!important;background-color:#d7ebf7}.tab{padding:16px 32px;border-radius:12px;font-size:18px;font-weight:700;color:#9ca3af;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background-color:transparent!important;position:relative;z-index:1}.tab.active{font-weight:800}.tab:hover{transform:translateY(-2px);filter:brightness(.95);box-shadow:0 4px 6px -1px #0000001a}.tab:hover:not(.active){background-color:#f3f4f6;color:#4b5563}.tab.active{font-weight:800;transform:scale(1.05)}.header-card{background:#fff;border-radius:var(--border-radius);padding:42px 50px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);min-height:140px;display:flex;flex-direction:column;justify-content:center;transition:all .4s ease}.content-card:after{content:"";position:absolute;top:0;right:0;width:80px;height:80px;background-color:var(--theme-bg);border-bottom-left-radius:100%;z-index:1;pointer-events:none;opacity:1;transition:background-color .4s ease}.header-card h1{margin:0;font-size:32px;font-weight:700;display:flex;align-items:center;gap:16px;position:relative;z-index:2;color:#1f2937}.header-card h1:before{content:"";width:8px;height:42px;background-color:var(--theme-color);border-radius:4px;transition:background-color .4s ease}.header-subtitle{margin-top:16px;font-size:22px;color:var(--text-muted);position:relative;z-index:2;font-weight:500}.header-formula{color:var(--theme-highlight);font-weight:800;transition:color .4s ease}.pill-decoration{position:absolute;right:-40px;bottom:-80px;width:380px;height:220px;background:linear-gradient(140deg,var(--theme-color) 0%,var(--theme-bg) 30%,#FFFFFF 80%);border-radius:110px;transform:rotate(40deg);opacity:1;z-index:1;pointer-events:none;transition:background .4s ease}.content-card{background:#fff;border-radius:var(--border-radius);padding:48px 48px 60px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:0;transition:all .4s ease;position:relative;overflow:hidden}.section-title{font-size:22px;font-weight:700;display:flex;align-items:center;gap:12px;margin-bottom:24px}.section-title:before{content:"";width:5px;height:28px;background-color:var(--theme-color);border-radius:3px;transition:background-color .4s ease}.section-description{line-height:1.8;color:#4b5563;font-size:20px}.section-description p{margin:0}.highlight-orange{color:var(--theme-highlight);font-weight:800;border-bottom:2px solid var(--theme-highlight);padding-bottom:2px;transition:all .4s ease}.subsection{display:flex;flex-direction:column;gap:24px;margin-top:56px}.subsection-header{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:0}.title-bar{width:4px;height:20px;background-color:var(--theme-color);border-radius:2px;flex-shrink:0}.list-container{display:flex;flex-direction:column;gap:36px}.list-item{background:#fff;border:2px dashed var(--theme-color);border-radius:12px;padding:28px 36px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 6px -1px #00000005;transition:all .3s ease;cursor:pointer}.list-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-color)}.item-number{color:var(--theme-color);font-weight:800;font-size:20px;margin-right:20px;min-width:24px;transition:color .4s ease}.item-content{flex-grow:1;font-family:inherit;font-size:17px;font-weight:600;color:#4b5563;line-height:1.5}.item-label{display:block;font-size:18px;color:#000;margin-bottom:10px;font-weight:800;letter-spacing:-.2px}.item-translation{display:block;font-size:15px;color:#6b7280;margin-top:10px;font-weight:500}.code-box{display:inline-block;background:#7dd3fc33;background:color-mix(in srgb,var(--theme-color),transparent 85%);border:1.5px solid color-mix(in srgb,var(--theme-color),transparent 70%);padding:8px 18px;border-radius:8px;color:var(--theme-highlight);font-weight:800;font-family:Courier New,monospace;margin:0 4px;transition:all .4s ease}.arrow-icon{color:#e5e7eb;font-size:24px;margin-left:20px}.page-content{display:none;opacity:0}.page-content.active{display:block;animation:fadeIn .4s ease-out forwards}body{margin:0;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:60px 20px}.container{width:100%;max-width:1000px;background:radial-gradient(circle at center,var(--theme-bg) 0%,#FFFFFF 100%);border-radius:var(--container-radius);padding:48px 48px 60px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:56px;transition:all .4s ease;position:relative;overflow:hidden;box-sizing:border-box}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.nav-tabs,.header-card{animation:fadeIn .6s ease-out forwards}.footer-section{position:fixed;bottom:80px;left:max(20px,calc(50% - 760px));z-index:1000;margin:0;padding:0;transition:all .4s cubic-bezier(.16,1,.3,1)}.menu-button{background-color:#333c4df2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:16px 28px;display:flex;align-items:center;gap:16px;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 15px #0000001a}.menu-button:hover{transform:translateY(-2px);background-color:#404b5e;box-shadow:0 8px 25px #00000026}.menu-button-icon{display:flex;align-items:center;justify-content:center}.menu-button-text{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.menu-button-title{color:#fff;font-size:18px;font-weight:700;line-height:1.2}.menu-button-subtitle{color:#94a3b8;font-size:13px;font-weight:500;margin-top:2px}