:root {
    --acg2-bg: #f8fafc;
    --acg2-text: #334155;
    --acg2-primary: #3b82f6;
    --acg2-secondary: #f43f5e;
    --acg2-accent: #10b981;
    --acg2-surface: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--acg2-bg); color: var(--acg2-text);
    font-family: 'M PLUS Rounded 1c', 'Comic Sans MS', sans-serif;
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(244, 63, 94, 0.05) 0%, transparent 20%);
    overflow-x: hidden;
}
/* Halftone dots background */
body::before {
    content: ''; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
    background-size: 20px 20px; z-index: -1; opacity: 0.5;
}

a { text-decoration: none; color: inherit; }

.acg2-container { max-width: 1100px; margin: 0 auto; padding: 20px; }

/* Header */
.acg2-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 30px; background: var(--acg2-surface);
    border-radius: 25px; box-shadow: 8px 8px 0 rgba(148, 163, 184, 0.2);
    border: 2px solid #e2e8f0; margin-bottom: 50px;
}
.acg2-brand {
    font-size: 32px; font-weight: 900; color: var(--acg2-primary);
    text-shadow: 2px 2px 0 #bfdbfe; letter-spacing: -1px;
}
.acg2-nav { display: flex; gap: 20px; }
.acg2-nav a {
    font-weight: 700; color: #64748b; padding: 8px 16px; border-radius: 20px;
    transition: all 0.2s; border: 2px solid transparent;
}
.acg2-nav a:hover, .acg2-nav a.active {
    color: var(--acg2-primary); background: #eff6ff; border-color: #bfdbfe;
}

/* Hero */
.acg2-hero {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--acg2-surface); padding: 60px 40px; border-radius: 30px;
    box-shadow: 10px 10px 0 rgba(59, 130, 246, 0.1); border: 2px solid #bfdbfe;
    margin-bottom: 60px; position: relative; overflow: hidden;
}
.acg2-hero::after {
    content: ''; position: absolute; right: -50px; top: -50px; width: 200px; height: 200px;
    background: #eff6ff; border-radius: 50%; z-index: 0;
}
.hero-content { position: relative; z-index: 1; max-width: 600px;}
.acg2-hero h1 {
    font-size: 48px; font-weight: 900; color: var(--acg2-text);
    margin-bottom: 20px; line-height: 1.2;
}
.acg2-hero h1 span { color: var(--acg2-secondary); position: relative; display: inline-block;}
.acg2-hero h1 span::after {
    content: ''; position: absolute; bottom: 5px; left: 0; width: 100%; height: 10px;
    background: rgba(244, 63, 94, 0.2); z-index: -1; border-radius: 5px;
}
.acg2-hero p { font-size: 18px; color: #64748b; margin-bottom: 30px; font-weight: 500;}
.btn-acg2 {
    display: inline-block; padding: 15px 35px; font-size: 18px; font-weight: 800;
    color: #fff; background: var(--acg2-primary); border-radius: 25px;
    box-shadow: 4px 4px 0 #1d4ed8; transition: all 0.1s; margin-right: 15px; border: none; cursor: pointer;
}
.btn-acg2:active { transform: translate(4px, 4px); box-shadow: 0 0 0 #1d4ed8;}
.btn-acg2-outline {
    display: inline-block; padding: 13px 33px; font-size: 18px; font-weight: 800;
    color: var(--acg2-primary); background: #fff; border-radius: 25px;
    border: 2px solid var(--acg2-primary); box-shadow: 4px 4px 0 #bfdbfe; transition: all 0.1s;
}
.btn-acg2-outline:active { transform: translate(4px, 4px); box-shadow: 0 0 0 #bfdbfe;}

/* Stats */
.acg2-stats {
    display: flex; justify-content: space-between; margin-bottom: 60px; gap: 20px;
}
.as2-item {
    flex: 1; background: var(--acg2-surface); padding: 25px; border-radius: 20px;
    text-align: center; border: 2px solid #e2e8f0; box-shadow: 5px 5px 0 rgba(148, 163, 184, 0.1);
}
.as2-val { font-size: 36px; font-weight: 900; color: var(--acg2-secondary); margin-bottom: 5px;}
.as2-lbl { font-size: 14px; font-weight: 700; color: #94a3b8;}

/* Grid */
.acg2-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px;}
.ag2-card {
    background: var(--acg2-surface); padding: 35px 25px; border-radius: 25px;
    border: 2px solid #e2e8f0; box-shadow: 8px 8px 0 rgba(148, 163, 184, 0.15);
    text-align: center; transition: transform 0.2s;
}
.ag2-card:hover { transform: translateY(-5px); border-color: var(--acg2-primary);}
.ag2-icon {
    width: 70px; height: 70px; margin: 0 auto 20px; background: #eff6ff;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 32px; color: var(--acg2-primary);
}
.ag2-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 15px; color: var(--acg2-text);}
.ag2-card p { font-size: 15px; color: #64748b; font-weight: 500;}

/* Nodes */
.acg2-nodes {
    background: var(--acg2-surface); padding: 40px; border-radius: 30px;
    border: 2px solid #e2e8f0; box-shadow: 8px 8px 0 rgba(148, 163, 184, 0.15);
    margin-bottom: 60px; text-align: center;
}
.acg2-nodes h2 { font-size: 28px; font-weight: 900; margin-bottom: 30px; color: var(--acg2-primary);}
.node-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px;}
.n-tag {
    padding: 10px 20px; background: #f1f5f9; border-radius: 20px; font-weight: 700;
    color: #475569; border: 2px solid #e2e8f0;
}
.n-tag span { color: var(--acg2-accent); margin-left: 5px;}

/* FAQ */
.acg2-faq { margin-bottom: 60px;}
.acg2-faq h2 { font-size: 28px; font-weight: 900; margin-bottom: 30px; text-align: center;}
.faq-wrap {
    background: var(--acg2-surface); padding: 30px; border-radius: 25px;
    border: 2px solid #e2e8f0; box-shadow: 8px 8px 0 rgba(148, 163, 184, 0.15);
}
.faq-item { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 2px dashed #e2e8f0;}
.faq-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none;}
.fq-q { font-size: 18px; font-weight: 800; color: var(--acg2-secondary); margin-bottom: 10px;}
.fq-a { font-size: 15px; color: #64748b; font-weight: 500;}

footer { text-align: center; padding: 30px; font-weight: 700; color: #94a3b8;}

@media (max-width: 900px) {
    .acg2-header { flex-direction: column; gap: 15px; border-radius: 20px;}
    .acg2-hero { flex-direction: column; text-align: center; padding: 40px 20px;}
    .acg2-hero h1 { font-size: 36px; }
    .acg2-stats { flex-wrap: wrap; }
    .as2-item { min-width: 45%; }
    .acg2-grid { grid-template-columns: 1fr; }
    .btn-acg2, .btn-acg2-outline { display: block; margin: 10px auto; width: 100%;}
}