:root {
    --gold: #b8976d;
    --dark: #1a1a1a;
    --bg: #f4f4f2;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 8px 30px rgba(0,0,0,0.04);
}

body { 
    background: radial-gradient(circle at top right, #e8e8e1, var(--bg));
    color: var(--dark); font-family: "Optima", "Quicksand", "PingFang SC", sans-serif;
    min-height: 100vh; overflow-x: hidden;
}

.container { max-width: 1000px; margin: 0 auto; padding: 60px 20px; }

/* 头部 Header */
header h1 { 
    font-size: 2.5rem; font-weight: 200; text-align: center; 
    letter-spacing: 8px; margin-bottom: 50px; color: var(--dark);
}

/* 链接卡片 */
.links-grid { 
    display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); 
    gap: 15px; margin-bottom: 40px; 
}

.link-card {
    background: var(--glass); backdrop-filter: blur(10px);
    padding: 18px 10px; border: 1px solid rgba(184, 151, 109, 0.2);
    text-align: center; text-decoration: none; color: var(--dark);
    font-size: 0.9rem; transition: 0.4s; border-radius: 2px;
}

.link-card:hover {
    border-color: var(--gold); background: #fff;
    transform: translateY(-3px); box-shadow: var(--shadow);
    color: var(--gold);
}

/* 后端美化 */
.admin-card { 
    background: #fff; padding: 30px; border-radius: 4px; box-shadow: var(--shadow); 
    margin-bottom: 20px; border-top: 3px solid var(--gold);
}

.input-group { display: flex; gap: 10px; margin-bottom: 20px; }
input, select { 
    flex: 1; border: 1px solid #e0e0e0; padding: 12px; 
    outline: none; transition: 0.3s; background: #fafafa;
}
input:focus { border-color: var(--gold); background: #fff; }

.btn { 
    background: var(--dark); color: #fff; border: none; 
    padding: 12px 25px; cursor: pointer; transition: 0.3s; letter-spacing: 1px;
}
.btn:hover { background: var(--gold); }
.btn-danger { color: #cc3333; background: none; border: none; cursor: pointer; }

@media (max-width: 600px) {
    header h1 { font-size: 1.8rem; }
    .input-group { flex-direction: column; }
}