:root {
    --glass: rgba(0, 0, 0, 0.7);
    --accent: #00ccff; 
    --text: #ffffff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: url('https://api.paugram.com/wallpaper/') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.container {
    width: 95%;
    max-width: 1200px;
    margin: 30px auto;
    padding: 25px;
    background: var(--glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.box {
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.box:hover {
    transform: translateY(-5px);
    filter: brightness(1.2);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.box .no { font-size: 1.2rem; font-weight: bold; margin-bottom: 5px; }
.box .tag { font-size: 0.75rem; padding: 2px 6px; border-radius: 4px; background: rgba(0,0,0,0.4); }

input, textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px;
    border-radius: 8px;
    color: #fff;
    margin-bottom: 15px;
    outline: none;
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

button:hover { background: #0099ff; transform: scale(1.02); }

@media (max-width: 600px) {
    .grid { grid-template-columns: repeat(auto-fill, minmax(85px, 1fr)); gap: 10px; }
    .container { margin: 15px auto; padding: 15px; }
    h1 { font-size: 1.4rem; }
}