* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        body {
            background: #f8fafc;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .page {
            max-width: 1100px;
            margin: 2rem auto;
            padding: 1rem 2rem;
            background: white;
            border-radius: 2rem;
            box-shadow: 0 20px 35px -8px rgba(0,10,20,0.15);
            flex: 1;
        }
        nav {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            background: #e6edf5;
            padding: 1rem 2rem;
            border-radius: 3rem;
            margin: 1.5rem 0 2.5rem 0;
        }
        nav a {
            text-decoration: none;
            font-weight: 600;
            color: #1e3a5f;
            font-size: 1.3rem;
            padding: 0.4rem 1rem;
            border-radius: 3rem;
            transition: all 0.15s;
        }
        nav a:hover {
            background: #ffffffb3;
            color: #0b2b4a;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 600;
            letter-spacing: -0.02em;
            color: #0b2b4a;
            border-left: 8px solid #3b82f6;
            padding-left: 1.2rem;
            margin: 1.5rem 0 2rem 0;
        }
        h2 {
            font-size: 2rem;
            font-weight: 550;
            color: #1e3a5f;
            margin: 2rem 0 1rem 0;
        }
        .intro {
            background: #f0f4fe;
            padding: 1.5rem 2rem;
            border-radius: 2rem;
            font-size: 1.2rem;
            line-height: 1.5;
            color: #1e293b;
            margin: 1.5rem 0 2.5rem 0;
        }
        .picture-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 2rem 1.5rem;
            margin: 2.5rem 0 3rem 0;
        }
        .picture-card {
            background: #ffffff;
            border-radius: 1.8rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.03), 0 0 0 1px #dee9f2;
            overflow: hidden;
            transition: transform 0.2s, box-shadow 0.2s;
            padding-bottom: 0.8rem;
        }
        .picture-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 30px -10px rgba(45, 100, 200, 0.2), 0 0 0 1px #bdd3eb;
        }
        .image-place {
            background: #d9e3f0;
            min-height: 170px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: repeating-linear-gradient(45deg, #c0d4e9 0px, #c0d4e9 2px, #d9e6f5 2px, #d9e6f5 8px);
            border-bottom: 3px dashed #3b82f6;
            position: relative;
        }
        .image-place svg {
            width: 60px;
            height: 60px;
            opacity: 0.7;
        }
        .picture-label {
            padding: 1rem 1rem 0.8rem 1rem;
            font-weight: 600;
            font-size: 1.1rem;
            color: #1e293b;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .picture-label span {
            background: #e6f0ff;
            font-size: 0.9rem;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            color: #2563eb;
            font-weight: 500;
        }
        .note {
            background: #f1f5f9;
            border-radius: 1.5rem;
            padding: 1.2rem 2rem;
            margin: 2.5rem 0 1rem 0;
            font-size: 1.1rem;
            border-left: 6px solid #3b82f6;
            color: #0c4a6e;
        }
        footer {
            text-align: center;
            margin-top: 3rem;
            color: #4b6589;
            font-size: 1rem;
            border-top: 1px solid #cbd5e1;
            padding-top: 1.8rem;
            padding-bottom: 0.5rem;
        }
        .active-page {
            background: white;
            box-shadow: 0 4px 8px #00000010;
        }
        .fake-upload {
            background: #ffffffce;
            border: 2px solid #94a3b8;
            border-radius: 40px;
            padding: 0.3rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #1e293b;
            margin-top: 0.5rem;
            display: inline-block;
        }