:root{color-scheme:light dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;--primary-color:#4a6cff;--secondary-color:#7c3aed;--accent-color:#06b6d4;--text-color:#1a1a1a;--bg-light:hsla(0,0%,100%,.95);--card-blur:blur(12px)}*{box-sizing:border-box}body{animation:gradientShift 18s ease infinite;background:linear-gradient(135deg,#667eea,#764ba2 50%,#f093fb);background-size:400% 400%;color:var(--text-color);margin:0;min-height:100vh;padding:2.5rem 1rem}@keyframes gradientShift{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}.page-container{margin:0 auto 3rem;width:min(1200px,100%)}.page-hero{animation:slideUp .6s ease forwards;color:#fff;margin-bottom:3rem;text-align:center}.page-hero h1{font-size:clamp(2.4rem,5vw,3.6rem);margin-bottom:.75rem;text-shadow:0 10px 35px rgba(15,23,42,.35)}.page-subtitle{font-size:clamp(1.1rem,2vw,1.4rem);margin-bottom:2rem;opacity:.95}.hero-icon{align-items:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border:1px solid hsla(0,0%,100%,.3);border-radius:2rem;display:inline-flex;font-size:2.5rem;height:80px;justify-content:center;margin-bottom:1rem;width:80px}.content-section{-webkit-backdrop-filter:var(--card-blur);backdrop-filter:var(--card-blur);background:var(--bg-light);border-radius:1.5rem;box-shadow:0 20px 45px #0f172a40;margin-bottom:2rem;padding:clamp(1.5rem,4vw,2.5rem)}.content-section+.content-section{animation:slideUp .6s ease forwards}.section-title{align-items:center;color:var(--primary-color);display:flex;font-size:1.9rem;font-weight:600;gap:.5rem;margin-bottom:1rem}.section-text{color:#4b5563;font-size:1.05rem;line-height:1.8;margin-bottom:1rem}.card-grid,.features-grid,.value-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:1.5rem}.feature-card,.info-card{background:#4a6cff14;border-left:4px solid var(--primary-color);border-radius:1.1rem;padding:1.5rem}.feature-card h3,.info-card h3{color:var(--primary-color);font-size:1.1rem;margin:0 0 .65rem}.feature-card p,.info-card p{color:#4b5563;font-size:.98rem;line-height:1.6;margin:0}.use-case-list{list-style:none;margin:0;padding:0}.use-case-list li{align-items:flex-start;border-bottom:1px solid rgba(15,23,42,.08);display:flex;font-size:1.05rem;gap:.5rem;padding:.75rem 0}.use-case-list li:before{color:var(--primary-color);content:"✓";font-weight:700}.stat-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-top:1.5rem}.stat-card{background:#4a6cff14;border-radius:1.25rem;padding:1.5rem;text-align:center}.stat-card strong{color:var(--primary-color);display:block;font-size:2.2rem;margin-bottom:.35rem}.stat-card span{color:#4b5563}.links-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.link-card{background:#ffffffe6;border-radius:1.25rem;box-shadow:0 18px 40px #0f172a33;padding:2rem;text-align:left}.link-card h3{color:var(--primary-color);font-size:1.3rem;margin:.5rem 0}.link-card p{color:#4b5563;line-height:1.6}.link-card .link-action{align-items:center;background:var(--primary-color);border-radius:999px;box-shadow:0 10px 25px #4a6cff59;color:#fff;display:inline-flex;font-weight:500;margin-top:1rem;padding:.65rem 1.4rem;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.link-card .link-action:hover{box-shadow:0 12px 30px #4a6cff73;transform:translateY(-2px)}.back-links{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin:3rem 0 1rem}.back-button{align-items:center;background:#fff;border-radius:999px;box-shadow:0 10px 25px #0f172a26;color:var(--primary-color);display:inline-flex;font-weight:600;justify-content:center;min-width:160px;padding:.85rem 2rem;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.back-button:hover{box-shadow:0 14px 35px #0f172a33;transform:translateY(-2px)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){body{padding:1.5rem 1rem}.back-button{width:100%}}